Patent Description:
The present disclosure relates to a technical field of automobile electric appliance connection, and particularly to a quick replaceable storage battery bolt connection terminal.

The automobile storage battery bolt terminal is an indispensable component for connecting the automotive wiring harness to the storage battery and is necessary for every automobile. The important function of the automobile storage battery bolt terminal is to achieve the connection between the wiring harness of the whole vehicle and the storage battery, so that the electric functions of the whole vehicle can be normal. It is necessary to mount the storage battery bolt reliably, safely and conveniently. The existing storage battery bolt terminal is firstly disposed to sleeve a storage battery post and then is tightened and secured with a bolt, or when the storage battery bolt terminal needs to be disassembled to cut off the power supply in case of maintenance or transportation of the whole vehicle, the operation must be completed with a tool, which is very inconvenient and there is a safety risk in the hot-line works during maintenance.

Conventional connection terminals are known from the prior art, for example from <CIT>, <CIT>, <CIT>, <CIT>, and <CIT>.

Aiming at the defects in the prior art, the problem to be solved herein is to provide a storage battery bolt terminal which is convenient and achieves tool-free disassembly and assembly, so as to overcome the technical defect caused by the fact that the existing storage battery bolt terminal needs to be operated by a bolt tightening tool during disassembly and assembly. Any references to inventions or embodiments not falling within the scope of the independent claims are to be interpreted as examples useful for understanding the invention.

The present disclosure provides a storage battery bolt terminal, including: a terminal including a storage battery post connecting unit, compressible units being provided on two sides of an opening end of the storage battery post connecting unit and a cable connecting unit being provided in another opening end of the storage battery post connecting unit; and a gland including a pressing unit and two rotating units provided on the pressing unit, wherein the compressible unit is rotatably connected to the rotating unit, and the rotating unit is provided with a locking unit. The storage battery post connecting unit is connected to a storage battery post, with a conical shape matched with that of the storage battery post, and a size matched with that of the storage battery post, and may be matched with and connected to the anode and the cathode of the storage battery as required.

A further solution of the present disclosure is that the gland is externally provided with a protective cover adapted to the pressing unit, and the protective cover is fixedly connected to the gland by clamping. The protective cover includes a main unit and a clamping unit, and the main unit of the protective cover is of rectangular shape, or may be of any circular or polygonal shape as long as it is matched with the pressing unit. The function of the clamping unit is to clamp the gland without loosening or falling off. There may be one clamping unit at the top and the bottom, respectively, or the number of the clamping units may also be three, four, five, etc..

A further solution of the present disclosure is that when the gland is rotated to the above of the terminal, the locking unit locks the terminal with a storage battery post by compressing the compressible unit. During disassembly of the storage battery bolt terminal, the locking unit can be released from the compressible unit once the protective cover is raised by hand, thus realizing the disassembly between the storage battery bolt terminal and the storage battery post, which is very convenient and quick. The storage battery post connecting unit is connected to the storage battery post and matched with the shape thereof.

A further solution of the present disclosure is that a stop unit is provided outside the compressible unit, and when the gland is rotated, the rotating unit abuts against the stop unit to form a limiting fit between the stop unit and the rotating unit. When the protective cover and the gland are rotated to a certain degree, the rotation of the gland stops. At the same time, the storage battery post connecting unit is connected to the storage battery post.

A further solution of the present disclosure is that the protective cover is made of a flame retardant hard material. Different types of materials, such as PBT-GF30, PA6, PA66, PC/ABS, etc., are selected for the protective cover depending on strengths, temperature-resistant grades, and material characteristics, and any material should meet the requirements of flame retardance and strength.

A further solution of the present disclosure is that the terminal is integrally formed.

A further solution of the present disclosure is that the gland is integrally formed.

The terminal and the gland are both integrally formed, ensuring that the storage battery bolt terminal is firmer. Different types of materials, such as red copper, brass, lead brass, etc., may be selected for the terminal depending on the machining process, electrical conductivity and material characteristics. The surface of the terminal is plated with tin, silver, nickel, etc. depending on the environmental requirements, thus meeting the requirements of electrical conductivity and corrosion resistance. The gland may be made of red copper, brass, lead brass, carbon steel, low-carbon steel, stainless steel, etc. depending on the machining process. In order to meet the requirement of corrosion resistance, the surface of the copper-containing material may be plated with tin, silver and nickel depending on environmental requirements, and the surface of the carbon steel may be plated with zinc, zinc-nickel alloy, etc..

A further solution of the present disclosure is that the pressing unit is of any circular or polygonal shape.

A further solution of the present disclosure is that the pressing unit is of rectangular shape.

The pressing unit is clamped and matched with the protective cover, and the pressing unit may be pressed and raised in a process of pressing and raising the protective cover.

A further solution of the present disclosure is that the cable connecting unit includes at least one wiring hole, and a direction of the wiring hole may be <NUM>° to <NUM>° according to an outgoing line direction.

A further solution of the present disclosure is that the cable connecting unit is connected to the cable by crimping, welding or screwing.

The cable connecting unit is connected to the cable, and has a shape that matches the profile of the wire. An alternative profile of the cable connecting unit is a circular or any polygonal shape. According to the connection mode and requirement of the cable, crimping, welding or screwing may be adopted. Depending on the number of the cables to be connected, the cable connecting unit may have one, two or three wiring holes, etc. Depending on the outgoing line direction, the opening direction of the wiring holes may be <NUM>° to <NUM>°.

A further solution of the present disclosure is that the compressible unit is hinged to the rotating unit by a rotating shaft. The rotating shaft connects the terminal and the gland to play roles of connection and rotation. The rotating shaft includes a central shaft cap unit, a central shaft unit and a plug unit, wherein the central shaft cap unit is of circular shape to prevent the rotating shaft from falling off, and an alternative profile is of circular or polygonal shape such as ellipse shape, square shape, etc. The central shaft unit is of cylindrical shape to play roles of connection and rotation. The plug unit is of concave circular shape to prevent the gland and the terminal from falling off.

The present disclosure has the following advantageous effects.

The present disclosure will be further described below with reference to the drawings and the embodiments. In the drawings,.

Exemplary embodiments of the present disclosure will now be described in detail with reference to the drawings.

As illustrated in <FIG>, a storage battery bolt terminal according to an embodiment of the present disclosure includes a terminal <NUM> including a storage battery post connecting unit <NUM>, compressible units <NUM> being provided on two sides of an opening end of the storage battery bolt connecting unit <NUM>, and a cable connecting unit <NUM> being provided in another opening end of the storage battery post connecting unit <NUM>. The storage battery bolt terminal further includes a gland <NUM>, which includes a pressing unit <NUM> and two rotating units <NUM> provided on the pressing unit <NUM>.

The compressible unit <NUM> is rotatably connected to the rotating unit <NUM>, and the rotating unit <NUM> is provided with a locking unit <NUM>. The storage battery post connecting unit <NUM> is connected to a storage battery post, with a conical shape matched with that of the storage battery post, and a size matched with and greater than that of the storage battery post.

Further, in order to protect the safety of workers and prevent the workers from directly touching the gland, the gland <NUM> is externally provided with a protective cover <NUM> adapted to the pressing unit <NUM>.

In some implementations, the protective cover <NUM> is fixedly connected to the gland <NUM> by clamping. As illustrated in <FIG>, the protective cover includes a main unit <NUM> and a clamping unit <NUM>, and the main unit of the protective cover <NUM> is of rectangular shape. As illustrated in <FIG> and <FIG>, the gland <NUM> is of circular or triangular shape, and the protective cover <NUM> is of circular shape. It can be understood that the gland is of any circular or polygonal shape, and the protective cover <NUM> may be of any circular or polygonal shape as long as it is matched with the pressing unit <NUM>. The protective cover <NUM> should cover the gland <NUM> to ensure that the gland is not touched by human hands when the storage battery bolt terminal is in operation. The function of the clamping unit <NUM> is to clamp the gland <NUM> without loosening or falling off. There may be one clamping unit <NUM> at the top and the bottom, respectively, or the number of the clamping units <NUM> may also be three, four, five, etc..

In other implementations, the protective cover <NUM> and the gland <NUM> may be connected in other ways, which is not limited herein.

According to the embodiment, the disconnection and connection of the storage battery bolt terminal can be realized by simple manual operations, and assembly or disassembly of the storage battery bolt terminal and the storage battery post can be achieved by pressing or raising the protective cover, so that the bolt tightening tool is omitted, the maintenance convenience is greatly improved, the structure is simple and practical, the manufacturing process is simple, and the mounting cost is reduced, thus having outstanding practical values.

As illustrated in <FIG>, the storage battery post connecting unit is a sleeve hole structure (e.g., a cylindrical hole), and the sleeve hole of the storage battery post connecting unit is disposed to sleeve the storage battery post, wherein the storage battery post is a conical cylinder.

As illustrated in <FIG>, the locking unit <NUM> is provided on one of the rotating units <NUM>. The locking unit <NUM> is a strip-shaped structure protruding from the rotating unit <NUM>, and a side of the locking unit <NUM> close to a rotating end of the rotating unit is an inclined surface.

In some implementations, in order to improve the efficiency of the locking unit <NUM> compressing the compressible unit <NUM>, a position where the locking unit <NUM> contacts the compressible unit <NUM> is a transition corner, by which the opening between the compressible units <NUM> is gradually narrowed by compressing. The transition corner mentioned herein refers to a rounded arc corner.

When the protective cover <NUM> is rotatably pressed, the gland <NUM> is rotated toward the terminal <NUM>, and when the gland <NUM> is rotated to the above of the terminal <NUM>, the locking unit <NUM> compresses the compressible unit <NUM> to shrink the opening between the compressible units <NUM>, thus locking the terminal <NUM> with the storage battery post, and realizing the connection and contact between the storage battery bolt terminal and the storage battery post.

Specifically, as illustrated in <FIG>, the specific process of connecting the storage battery bolt terminal to the storage battery post includes: firstly, the gland <NUM> is in an open state, and the locking unit <NUM> does not compress the compressible unit <NUM>, as illustrated in <FIG>; in this state, the protective cover <NUM> is rotatably pressed to drive the gland <NUM> to be rotated towards the terminal <NUM>, the locking unit <NUM> compresses the compressible unit <NUM>, and the opening between the compressible units <NUM> shrink; as illustrated in <FIG>, the protective cover <NUM> is continued to be rotatably pressed to drive the gland <NUM> to be rotated towards the terminal <NUM>, and the gland <NUM> drives the locking unit <NUM> to compress the compressible unit <NUM> until the protective cover <NUM> cannot move, thus locking the terminal <NUM> and the storage battery post.

During disassembly of the storage battery bolt terminal, since the protective cover <NUM> is clamped with the gland <NUM>, the locking unit <NUM> can be released from the compressible unit once the protective cover <NUM> is raised by hand, thus realizing the disassembly between the storage battery bolt terminal and the storage battery post, which is very convenient and quick. The storage battery post connecting unit <NUM> is connected to the storage battery post and matched with the shape thereof.

In some implementations, a stop unit <NUM> is provided outside the compressible unit <NUM>, and the stop unit <NUM> and the locking unit <NUM> are disposed on opposite sides. During mounting of the storage battery post, the protective cover <NUM> is pressed to drive the gland <NUM> to be rotated, so that the rotating unit <NUM> abuts against the stop unit <NUM>, thus forming a limiting fit between the stop unit <NUM> and the rotating unit <NUM>. When the protective cover and the gland are rotated to a certain degree, the rotation of the gland <NUM> stops. At the same time, the storage battery post connecting unit <NUM> is connected to the storage battery post.

The embodiment can prevent the excessive rotation of the gland, and further avoid the phenomenon that the gland contacts the storage battery post to conduct electricity.

As illustrated in <FIG>, the protective cover <NUM> is made of a flame retardant hard material. Different types of materials, such as PBT-GF30, PA6, PA66, PC/ABS, etc., are selected for the protective cover <NUM> depending on strengths, temperature-resistant grades, and material characteristics, and any material should meet the requirements of flame retardance and strength.

The terminal <NUM> and the gland <NUM> are both integrally formed, ensuring that the storage battery bolt terminal is firmer. Different types of materials, such as red copper, brass, lead brass, etc., may be selected for the terminal <NUM> depending on the machining process, electrical conductivity and material characteristics. The surface of the terminal <NUM> is plated with tin, silver, nickel, etc. depending on the environmental requirements, thus meeting the requirements of electrical conductivity and corrosion resistance. The gland <NUM> may be made of red copper, brass, lead brass, carbon steel, low-carbon steel, stainless steel, etc. depending on the machining process. In order to meet the requirement of corrosion resistance, the surface of the copper-containing material may be plated with tin, silver and nickel depending on environmental requirements, and the surface of the carbon steel may be plated with zinc, zinc-nickel alloy, etc..

As illustrated in <FIG>, the structure of the pressing unit <NUM> may be of any circular or polygonal shape, and exemplarily, the structure of the pressing unit <NUM> is of rectangular shape. The pressing unit <NUM> is clamped and matched with the protective cover <NUM>, and the pressing unit <NUM> may be pressed and raised in the process of pressing and raising the protective cover <NUM>.

As illustrated in <FIG> and <FIG>, the cable connecting unit <NUM> includes at least one wiring hole, and crimping or welding may be adopted according to the connection mode of the cable. According to the outgoing line direction, the direction of the wiring hole of the cable connecting unit <NUM> may be <NUM>° to <NUM>°. The cable connecting unit <NUM> is connected to the cable, and has a circular profile that matches the shape of the wire. The alternative profile is a circular or any polygonal shape. According to the connection mode of the cable, crimping or welding may be adopted. Depending on the number of the cables connected, the cable connecting unit <NUM> may have one, two or three wiring holes, etc. Depending on the outgoing line direction, the opening direction of the wiring holes may be <NUM>° to <NUM>°. <FIG> are diagrams of terminal turning, and the opening direction of the wiring hole may be <NUM>° or <NUM>°. As illustrated in <FIG>, the opening direction of the wiring hole is <NUM>°, and may be adjusted to any direction of <NUM>° to <NUM>° depending on the outgoing line direction.

Specifically, the adjustment range of the direction of the wiring hole is <NUM>° to <NUM>° on a vertical plane where the cable connecting unit is located (as illustrated in <FIG>) and/or <NUM>° to <NUM>° on a horizontal plane where the cable connecting unit is located (as illustrated in <FIG>).

Specifically, the vertical plane where the cable connecting unit is located refers to a plane formed by adjustable paths of the cable connecting unit in a vertical direction (abbreviated as a YZ plane), and as illustrated in <FIG>, which illustrates, from left to right, the outgoing line directions of <NUM>°, <NUM>°, <NUM>°, <NUM>° and <NUM>° on the YZ plane.

The horizontal plane where the cable unit is located refers to a plane formed by adjustable paths of the cable in a horizontal direction (abbreviated as an XY plane), and as illustrated in <FIG>, which illustrates, from left to right, the outgoing line directions of <NUM>°, <NUM>°, <NUM>°, <NUM>° and <NUM>° on the XY plane.

In some implementations, as illustrated in <FIG>, the compressible units <NUM> are hinged to the rotating units <NUM> by a rotating shaft <NUM>, and the rotating shaft <NUM> connects the terminal <NUM> and the gland <NUM> to play roles of connection and rotation. The rotating shaft <NUM> includes a central shaft cap unit <NUM>, a central shaft unit <NUM> and a plug unit <NUM>, wherein the central shaft cap unit <NUM> is of circular shape to prevent the rotating shaft from falling off, and the alternative profile is of circular or polygonal shape such as ellipse shape, square shape, etc. The central shaft unit <NUM> is of cylindrical shape to play roles of connection and rotation. The plug unit <NUM> is of concave circular shape and is detachably provided on the central shaft unit <NUM> to prevent the gland <NUM> and the terminal <NUM> from falling off.

During implementation, firstly, the plug unit <NUM> is separated from the central shaft unit <NUM>, and the central shaft unit <NUM> is enabled to pass through mounting holes of the rotating unit <NUM> and the compressible unit <NUM>. The plug unit <NUM> is interference-fitted into the mounting hole of the central shaft unit <NUM>, or screwed into a threaded hole of the central shaft unit <NUM>.

The embodiments have a characteristic of simple structure, which facilitates the mounting of the compressible unit and the rotating unit.

As illustrated in <FIG>, the storage battery bolt terminal according to an embodiment includes a terminal <NUM>. The terminal <NUM> includes a storage battery post connecting unit <NUM>, compressible units <NUM> provided on two sides of an opening end of the storage battery bolt connecting unit <NUM>, and a cable connecting unit <NUM> in another opening end of the storage battery post connecting unit <NUM>. The storage battery bolt terminal further includes a gland <NUM>, which includes a pressing unit <NUM>, and two rotating units <NUM> provided on a side of the gland <NUM> and on the pressing unit <NUM>.

The compressible unit <NUM> is rotatably connected to the rotating unit <NUM>, and the rotating unit <NUM> is provided with a locking unit <NUM>. The storage battery post connecting unit <NUM> is connected to a storage battery post, with a conical shape matched with that of the storage battery post, and a size matched with and greater than that of the storage battery post. The gland <NUM> is externally provided with a protective cover <NUM> adapted to the pressing unit <NUM>, and the protective cover <NUM> is fixedly connected to the gland <NUM> by clamping. The protective cover includes a main unit <NUM> and a clamping unit <NUM>, and the main unit of the protective cover <NUM> is of rectangular shape. As illustrated in <FIG> and <FIG>, the gland <NUM> is of circular or triangular shape, and the protective cover <NUM> is of circular shape. It can be understood that the gland is of any round or polygonal shape, and the protective cap <NUM> may be of any circular or polygonal shape as long as it is matched with the pressing unit <NUM>. The function of the clamping unit <NUM> is to clamp the gland <NUM> without loosening or falling off. There may be one clamping unit <NUM> at the top and the bottom, respectively, or the number of the clamping units <NUM> may also be three, four, five, etc..

After the storage battery bolt terminal is mounted to sleeve the storage battery post, when the protective cover <NUM> is rotatably pressed, the gland <NUM> is rotated to the above of the terminal <NUM>, the locking unit <NUM> compresses the compressible unit <NUM> to lock the terminal <NUM> with the storage battery post. During disassembly of the storage battery bolt terminal, since the protective cover <NUM> is clamped with the gland <NUM>, the locking unit <NUM> can be released from the compressible unit once the protective cover <NUM> is raised by hand, thus realizing the disassembly between the storage battery bolt terminal and the storage battery post, which is very convenient and quick. The storage battery post connecting unit <NUM> is connected to the storage battery post and matched with the shape thereof. A stop unit <NUM> is provided outside the compressible unit <NUM>, and the stop unit <NUM> and the locking unit <NUM> are disposed on opposite sides. During mounting of the storage battery post, the protective cover <NUM> is pressed to drive the gland <NUM> to be rotated, so that the rotating unit <NUM> abuts against the stop unit <NUM>, thus forming a limiting fit between the stop unit <NUM> and the rotating unit <NUM>. When the protective cover and the gland are rotated to a certain degree, the rotation of the gland <NUM> stops. At the same time, the storage battery post connecting unit <NUM> is connected to the storage battery post.

As illustrated in <FIG>, the pressing unit <NUM> may be of any circular or polygonal shape, and exemplarily, the pressing unit <NUM> is of rectangular shape. The pressing unit <NUM> is clamped and matched with the protective cover <NUM>, and the pressing unit <NUM> may be pressed and raised in the process of pressing and raising the protective cover <NUM>.

As illustrated in <FIG>, the cable connecting unit <NUM> and the cable are connected by screwing. As illustrated in <FIG>, the compressible unit <NUM> is hinged to the rotating unit <NUM> by a rotating shaft <NUM>, which connects the terminal <NUM> and the gland <NUM> to play roles of connection and rotation. The rotating shaft <NUM> includes a central shaft cap unit <NUM>, a central shaft unit <NUM> and a plug unit <NUM>, wherein the central shaft cap unit <NUM> is of circular shape to prevent the rotating shaft from falling off, and the alternative profile is of circular or polygonal shape such as ellipse shape, square shape, etc. The central shaft unit <NUM> is of cylindrical shape to play roles of connection and rotation. The plug unit <NUM> is of concave circular shape to prevent the gland <NUM> and the terminal <NUM> from falling off.

Claim 1:
A storage battery bolt terminal, comprising:
a terminal (<NUM>) comprising a storage battery post connecting unit (<NUM>), a first and second compressible units (<NUM>) being provided on two sides of an opening end of the storage battery post connecting unit (<NUM>), and a cable connecting unit (<NUM>) being provided in another opening end of the storage battery post connecting unit (<NUM>); and
a gland (<NUM>) comprising a pressing unit (<NUM>) and a first and second rotating units (<NUM>) provided on the pressing unit (<NUM>),
wherein the first and second compressible units (<NUM>) are rotatably connected to the first and second rotating units (<NUM>), and the first rotating unit (<NUM>) is provided with a locking unit (<NUM>), which is located outside the first compressible unit (<NUM>);
characterized in that
the gland (<NUM>) is externally provided with a protective cover (<NUM>) adapted to the pressing unit (<NUM>), and the protective cover (<NUM>) is fixedly connected to the gland (<NUM>);
when the gland (<NUM>) is rotated toward the terminal (<NUM>), the locking unit (<NUM>) locks the terminal (<NUM>) with a storage battery post by compressing the compressible unit (<NUM>); and
a stop unit (<NUM>) is provided outside the second compressible unit (<NUM>) and protrudes from an outer side surface of the storage battery post connecting unit (<NUM>) towards the second rotating unit (<NUM>), the stop unit (<NUM>) and the locking unit (<NUM>) are disposed on opposite sides, and when the gland (<NUM>) is rotated, the second rotating unit (<NUM>) abuts against a side of the stop unit (<NUM>) that faces away from the storage battery post connecting unit (<NUM>) to form a limiting fit between the stop unit (<NUM>) and the second rotating unit (<NUM>), to prevent the gland (<NUM>) from being in contact with the storage battery post.