GEARBOX STRUCTURE FOR DRIVING

The gear box structure for driving includes a box body includes an upper housing and a lower housing, and an inner bottom surface of the lower housing is provided with a convex shaft, a first shaft hole penetrates vertically and is disposed at an axis of the convex shaft, and a second shaft hole is disposed in an upper end surface of the upper housing and the second shaft hole is coaxial with the first shaft hole, a driving member and a driven member are both sleeved on the convex shaft, the driving member can drive the driven member to rotate around the convex shaft, and a limiting component is disposed between the driven member and the upper housing, and is configured for limit the rotation angle of the driven member. The gear box structure has the advantages of simple and reasonable structure, convenient assembly, and good stability.

TECHNICAL FIELD

The present disclosure relates to a gearbox structure for driving.

BACKGROUND

With the advancement of technology and society, more people are using smart door locks at homes. Smart door locks are reverse locked by electrically driving a reverse locking knob.

SUMMARY OF DISCLOSURE

Technical Background

Existing smart door locks generally require multiple parts to be installed one by one into the lock body during assembly. In this assembly manner, because different lock bodies may have different installation positions, installation efficiency may be severely reduced, and production costs may be high as a result.

Therefore, there is an urgent need for a gearbox structure for driving to solve this problem.

Solution to Problem

Technical Solution

Present disclosure provides a gear box structure for driving.

A gear box structure for driving designed according to this purpose includes a box body comprising an upper housing and a lower housing, wherein an inner bottom surface of the lower housing is provided with a convex shaft, a first shaft hole penetrates vertically and is disposed at an axis of the convex shaft, and a second shaft hole is disposed in an upper end surface of the upper housing and the second shaft hole is coaxial with the first shaft hole.

A driving member and a driven member are both sleeved on the convex shaft, the driving member drives the driven member to rotate around the convex shaft, and a limiting component is disposed between the driven member and the upper housing and is configured for limiting a rotation angle of the driven member.

Preferably, the upper end surface of the driving member is provided with an arc-shaped track groove, and the lower end surface of the driven member is provided with a linkage block, and the linkage block is downward and inserted into the arc-shaped track groove.

Preferably, two limiting blocks are disposed on the inner top surface of the upper housing with the center of the second shaft hole as the axis, an outer surface of the driven member is provided with a first protrusion, and the first protrusion is located between the two limiting blocks.

Preferably, an upper portion of the convex shaft is provided with an annular concave platform, and the driving member and the driven member are respectively nested on the annular concave platform.

Preferably, the gear box structure further includes a knob, wherein the knob is provided with an insertion shaft, and an outer surface of the insertion shaft is evenly distributed with a plurality of first positioning bumps, an inner surface of the driven member is evenly distributed with a plurality of second positioning bumps, the first positioning bumps are inserted between the two second positioning bumps.

Preferably, the driving member is a ring gear, and the driving device includes a first motor arranged on the box body, and a motor shaft of the first motor is provided with a worm, a first fixed shaft, a second fixed shaft and a third fixed shaft are disposed on the box body respectively, a worm gear meshed with the worm is sleeved on the first fixed shaft, and an upper portion of the worm gear is fixedly connected with a first gear, a second gear meshed with the first gear is sleeved on the second fixed shaft, and the lower portion of the second gear is fixedly connected with a third gear, a fourth gear meshed with the third gear is sleeved on the third fixed shaft, and an upper portion of the fourth gear is fixed with a fifth gear, and the fifth gear is meshed with the driving member.

Preferably, a driving device for driving the driving member is disposed in the box body, and driving member and the box body is provided with an inductive positioning assembly, and the inductive positioning assembly is in communication connection with the driving device.

Preferably, the inductive positioning assembly comprises three positioning holes are disposed on the box body and evenly distributed on a circle with the convex shaft as the center, and the induction elements are installed in the positioning holes, the driving member is provided with a positioning element, and the inductive element and the positioning element mutually induce to realize positioning triggering.

Preferably, the inductive element comprises a magnetic switch, and the positioning element comprises a magnetic needle. A mounting bump is disposed on the driving member, and an insertion hole is defined on the mounting bump, and the magnetic needle is inserted in the insertion hole.

Preferably, the inductive element comprises a photoelectric switch, and the positioning element comprises a photosensitive sheet.

Advantageous Effects of Disclosure

Advantageous Effects

The present disclosure has the advantages of simple and logical structure which can be conveniently assembled with good stability. Compared with the prior art, the production efficiency can be improved by assembling the reverse locking parts into the gear box. To assemble the components in different positions according to different lock bodies, and only a gear box needs to be assembled in advance, and then the gear box is assembled to the lock body.

Further, an inner bottom surface of the lower housing is provided with a convex shaft, a first shaft hole that penetrate vertically is disposed at an axis of the convex shaft, and a second shaft hole is disposed in an upper end surface of the upper housing and the second shaft hole is coaxial with the first shaft hole. A driving member and a driven member are sleeved with the convex shaft, wherein the driving member can drive the driven member to rotate around the convex shaft, and a limiting component is disposed between the driven member and the upper housing and is configured for limiting the rotation angle of the driven member. That is, by setting the driving member and the driven member on the convex shaft, it is not only easier to assemble, but also improves stability and prolongs service life compared with the traditional structure installed on the knob.

At the same time, in the present disclosure, a driving device for driving the driving member is disposed in the box.

An inductive positioning assembly is disposed on the driving member and the box body, and the inductive positioning assembly is in communication connection with the driving device, that is, when the drive component is driving the drive member for transmission to realize locking or unlocking, the movement orientation of the driving member can be sensed through the induction positioning component, so that the driving device can achieve better control.

OPTIMAL EMBODIMENT FOR IMPEMENTATING THE DISCLOSURE

Optimal Embodiment of Disclosure

The present disclosure will be further described below in conjunction with the drawings and embodiments.

Referring toFIG.1-FIG.6, a gear box structure for driving is characterized in that it includes a box body10including an upper housing120and a lower housing110, and an inner bottom surface of the lower housing110is provided with a convex shaft111, a first shaft hole112penetrates vertically and is disposed at an axis of the convex shaft111, and a second shaft hole121is disposed in an upper end surface of the upper housing120and the second shaft hole121is coaxial with the first shaft hole112.

A driving member30and a driven member20are sleeved on the convex shaft111, the driving member30can drive the driven member20to rotate around the convex shaft111, and a limiting component is disposed between the driven member20and the upper housing120, and the limiting component is configured for limiting a rotation angle of the driven member20.

A driving device50for driving the driving member30is disposed in the box body10.

An inductive positioning assembly is disposed on the driving member30and the box body10and is in communication connection with the driving device50, which has the advantages of simple and logical structure for convenient assembly, and good stability. Compared with the prior art, the production efficiency can be improved by assembling the reverse locking components into the gear box. To assemble the components in different positions according to different lock bodies, and only a gear box needs to be assembled in advance, and then the gear box is assembled to the lock body.

That is, by sleeving the driving member and the driven member on the convex shaft, it is not only easier to assemble, but also improves stability and prolongs service life compared with the traditional structure installed on the knob.

At the same time, in the present disclosure, the box body is provided with the driving device for driving the driving member.

The driving member and the box body is provided with the inductive positioning assembly, and the inductive positioning assembly is in communication connection with the driving device. Meanwhile, when the driving assembly drives the driving member for transmission to realize locking or unlocking, the movement orientation of the driving member can be sensed through the induction positioning assembly, so as to facilitate better control of the drive device.

Specifically, an upper end surface of the driving member30is provided with an arc-shaped track groove310, and a lower end surface of the driven member20is provided with a linkage block210, and the linkage block210is downward and inserted into the arc-shaped track groove310. That is, when the driving member rotates, when the linkage block is in contact with the two ends of the arc-shaped track groove, the driving member can drive the driven member to rotate by pushing the linkage block, which has a simple structure, convenient for driving, and suitable for use needed.

Further, two limiting blocks122are disposed on an inner top surface of the upper housing120with the center of the second shaft hole121as the axis, an outer surface of the driven member20is provided with a first protrusion220, and the first protrusion220is located between the two limiting blocks122.

That is, a rotation range of the driven member is equal to a spacing between the two limiting blocks.

The spacing between the limiting blocks122is set according to different usage requirements.

Further, an upper portion of the convex shaft111is provided with an annular concave platform113, and the driving member30and the driven member20are respectively nested on the annular concave platform113, which is convenient for assembly, good in stability, and suitable for use needed.

Further, the gear box structure further includes a knob130, wherein the knob130is provided with an insertion shaft131, and an outer surface of the insertion shaft131is evenly distributed with a plurality of first positioning bumps132, an inner surface of the driven member20is evenly distributed with a plurality of second positioning bumps230, the first positioning bumps132are inserted between the two second positioning bumps230. That is, when the driven member rotates, the first positioning bump drives the second positioning bump, which drives the insertion shaft to drive the knob to rotate.

Specifically, the driving member30is a ring gear, and the driving device50includes a first motor510arranged on the box body, and a motor shaft of the first motor510is provided with a worm520, a first fixed shaft593, a second fixed shaft592, and a third fixed shaft591are disposed on the box body10respectively, a worm gear530meshed with the worm520is sleeved on the first fixed shaft593, and an upper portion of the worm gear530is fixedly connected with a first gear540, a second gear560meshed with the first gear540is sleeved on the second fixed shaft592, and the lower portion of the second gear560is fixedly connected with a third gear550, a fourth gear570meshed with the third gear550is sleeved on the third fixed shaft591, and an upper portion of the fourth gear570is fixed with a fifth gear580, and the fifth gear580is meshed with the driving member30.

The working principle is as follows: the first motor510drives the worm520to rotate, and the worm520can drive the worm gear530to rotate when rotating, that is, the worm gear530can drive the first gear540to drive the second gear560to rotate, and then the second gear560can drive the third gear550to drive the fourth gear570to rotate, and finally the fourth gear570drives the fifth gear580to drive the driving member30to rotate. Through the rotation of multiple gears, the stability of the transmission is ensured, the load of the motor is reduced, and the service life of the motor is extended. This is required for load use.

Specifically, the inductive positioning assembly comprises three positioning holes114, the three positioning holes114are disposed on the box body10and evenly distributed on a circle with the convex shaft111as the center, and inductive elements are installed in the positioning holes114, the driving member30is provided with a positioning element, and the inductive element and the positioning element mutually induce to realize positioning triggering. The inductive positioning assembly further comprises a control circuit board, the sensing element is connected to the control circuit board, and the control circuit board is connected to the first motor, that is, the inductive element sends a signal to the control circuit board, and the control circuit board controls the operation of the first motor according to the specific signal.

The inductive element comprises a magnetic control switch, the positioning element comprises a magnetic needle. A mounting bump320is disposed on the driving member30, and an insertion hole is defined on the mounting bump320, and the magnetic needle is inserted in the insertion hole.

The inductive element comprises a photoelectric switch, and the positioning element comprises a photosensitive sheet.

In the description of the present disclosure, it should be understanding that terms “center”, “longitudinal”, “transverse”, “length”, “width”, “thickness”, “upper”, “lower”, “front”, “rear”, “left”, “right”, “vertical”, “horizontal”, “top”, “bottom”, “inside”, “outside”, “clockwise”, “counterclockwise”, etc. indicating orientations or positional relationships is based on the orientations or positional relationships shown in the drawings, and is only for the convenience of describing the present disclosure and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be interpreted as limiting the present disclosure, and the terms “first” and “second” are only used for descriptive purposes and should not be interpreted as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features.

The basic principles and main features of the present disclosure and the advantages of the present disclosure have been shown and described above. Those skilled in the industry should understand that the present disclosure is not limited by the above-mentioned embodiments. What are described in the above-mentioned embodiments and the description only illustrate the principle of the present disclosure. Without deviating from the spirit and scope of the present disclosure, the present disclosure will also have variations and improvements are possible, which fall within the scope of the claimed disclosure. The protection scope of the present disclosure is defined by the appended claims and their equivalents.