Patent Description:
An oven, after being used, still has a high temperature. It is not only inconvenient to operate but also is easy to cause a scalding accident when taking out food from or placing food in the oven having such high temperature, having a potential safety hazard.

Therefore, an oven liner is now equipped with a slide rail and a connecting frame, the connecting frame is fixed to inner walls of both sides of an oven, a lower rail of the slide rail is fixedly mounted on the connecting frame, and a baking tray placed in the oven is fastened on an upper rail of the slide rail, so that the baking tray slides with respect to the connecting frame. The structure is simple, and the use is convenient and safe.

However, because the slide rail takes up considerable space of the oven liner, the slide rail is equipped with a holding component facilitating assembly or disassembly in general. An existing holding component includes a horizontal holding part and a vertical holding part, the horizontal holding part and the vertical holding part being held on a transverse rod and a vertical rod respectively.

Although the holding component of the above structure can be tightly held, it is difficult to disassemble the holding component after holding, and is easy to damage the holding component during disassembly.

In view of the above problem, though there is a removable slide rail mounted on left and right grids of an embedded oven in the market, the slide rail including an outer rail of a guide rail and an inner rail of the guide rail which are assembled together by a rolling mechanism, a plurality of hooks being arranged on both sides of the inner rail of the guide rail, the slide rail being hooked on the grids of the oven by the hooks, because the slide rail of the structure is arranged on the racks of the oven by the plurality of hooks, the support area is small, the structural performance is not reliable, being easy to cause the slide rail to come off, affecting the normal use of the oven.

<CIT> disclosed a guide rail configured to be mounted on bars of a grid side part of a household appliance or furniture. The bars run horizontally and are bent at an angle in bent end regions. The guide rail includes a quick fastening device including two mounting elements attached in end regions of the guide rail and configured to be detachably fixed to the bars of the grid side part. A first mounting section partially encloses one of the bars in a longitudinally extending region of the bar. A second mounting section partially encloses the bar at one of the bent regions of the bar. One of the mounting sections faces a rear bent end region and is open in a direction towards a rear of the guide rail. A resilient catch lug extends upward from the leg and engages behind the bar that is enclosed by the mounting elements.

<CIT> disclosed a connecting device for fixing a pull-out guide to a side grate, in particular for baking ovens, comprising a holder, which has at least one hook for engaging with a horizontal brace of the side grate, and a spring element, by means of which the holder can be latched to the side grate, wherein the spring element is designed as a separate component and has a flexible spring leg for latching the holder.

<CIT> disclosed a quick-action fastening element serves for fastening a guide rail to a rod of a grid-like side part, in particular for baking ovens, wherein the rod has an end portion which is bent at an angle relative to the longitudinal direction, and the quick-action fastening element engages with a first clip at least partially around a portion of the rod arranged in the longitudinal direction and engages with a second clip at least partially around the bent end portion, wherein a resilient latching element is provided which engages behind the rod, wherein the quick-action fastening element has provided on it a stop for limiting the pivoting travel of the latching element.

<CIT> disclosed a tool-free quick loading and unloading oven slide rail mounting combined device, which includes a side frame adaptively mounted in the oven. The side frame is provided with a rail body on which an ovenware is adaptively mounted. The rail body is provided with a mounting combined clamping piece for tool-free quick mounting on the side frame. The mounting combined clamping piece comprises a front clamping piece with a front clamping position, a rear clamping piece with an arc elastic clamping position. The arc elastic clamping piece is clamped on the back end of the crossrod and the arc elastic clamping piece acts elastically on the rail body so that the front clamping position of the front clamping piece is clamped on the front end of the cross rod of the side frame.

<CIT> disclosed a device for moving a push element is proposed, which can be arranged movable by means of the device on a side wall portion movably, wherein the device comprises a support rail to the sidewall portion and comprises cooperating with the thrust member, which relative to the carrier rail is displaceable, and wherein the carrier rail is releasably attachable to a rod assembly at the side wall portion over holding means which are matched to the rod assembly. According to the invention, the holding means are designed such that the holding means are applied to a horizontally aligned rod portion of the rod assembly, wherein the holding means additionally applied to a vertically aligned rod portion of the rod assembly via a partial circumference of the vertically aligned rod portion so that the device for motion guide is fixable on the rod assembly.

An object of the present invention is to overcome the defect in the prior art and provide an oven slide rail handling mechanism with a locking function. The mechanism has a good holding effect and reliable structural performance, is able to quickly assemble or disassemble a slide rail, is convenient to operate, facilitates maintenance and replacement, guarantees the use effect of the slide rail, and ensures the normal use of the oven.

The object of the present invention is realized by following technical solution: an oven slide rail handling mechanism with a locking function, comprising a connecting frame mounted on inner walls of both sides of an oven body, and a rail body, wherein an upper rail of the rail body is fitted to a baking tray, and a lower rail of the rail body is provided with a connecting component. The connecting component includes a guide snap for slipping on a transverse rod of the connecting frame in the same horizontal direction as the upper rail, and a front holder, wherein the front holder and the guide snap are respectively mounted at a front end and a rear end of a bottom surface of the lower rail, the guide snap is provided with a snap-fitting position for snap-fitting in a corner position at a rear end of the transverse rod, and the front holder is provided with a latch rod locked in a corner position at a front end of the transverse rod.

According to the invention, the front holder comprises a U-shaped holding block slipping in the same horizontal direction as the guide snap, an upper end of the U-shaped holding block is provided with a latch fastener position, a low end of the U-shaped holding block is provided with an open fastener position and a connecting fastener position, the latch rod is provided with a toggle latch block, an inner-side limiting fastener block and a corner limiting fastener block, the toggle latch block is adaptively fastened or separated in the latch fastener position, and the inner-side limiting fastener block and the corner limiting fastener block are fastened or separated in the open fastener position and the connecting fastener position respectively under the driving of the toggle latch block.

According to above optimization, a middle part of the U-shaped holding block is provided with a U-shaped guide groove with an opening provided toward an inner side of the transverse rod, the U-shaped guide groove is in sliding connection with the transverse rod, a front end of the U-shaped guide groove is provided with a limit stop connected with an appropriate end of the corner position of the transverse rod, and the latch fastener position is provided between the connection of the limit stop and the upper end of the U-shaped holding block.

According to above optimization, holding positions held at a straight bar part of the transverse rod and the corner position are formed by the inner-side limiting fastener block and the corner limiting fastener block which are fastened in the open fastener position and the connecting fastener position and the U-shaped guide groove.

According to above optimization, the upper end of the U-shaped holding block is provided with a limiting fastener hole corresponding to the inner-side limiting fastener block, and the inner-side limiting fastener block is buckled on the limiting fastener hole while being fastened in the open fastener position.

According to above optimization, a positioning end of the latch rod is connected to a rear end of the front holder in a positioning mode, a swing end of the latch rod is swung up and down by taking the positioning end thereof as a fixed point, and the swing end of the latch rod is outward folded to form the inner-side limiting fastener block, the corner limiting fastener block and the toggle latch block respectively.

According to above optimization, the inner-side limiting fastener block presents a <NUM>-shaped limiting fastener block connected with the inner side of the transverse rod, the corner limiting fastener block presents an oblique limiting fastener block snap-fitted in the corner position of the transverse rod, and the toggle latch block presents a Z-shaped toggle latch block conveniently operated.

According to above optimization, the guide snap includes a guide support block supported on a bottom surface of the rail body, a guide block for sliding on the transverse rod in the same horizontal direction as the upper rail, and clamping blocks snap-fitted or separated in the corner position at the rear end of the transverse rod as the guide block slides, wherein the clamping blocks are symmetrically arranged on a bottom surface at a right end of the guide support block from front to back, and the guide block is arranged on a bottom surface at a left end of the guide support block located in front of the clamping blocks.

According to above optimization, the clamping blocks extend to an outer side of the guide support block and form a snap-fitting position for being snap-fitted with or separated from the corner position of the transverse rod together with the bottom surface of the lower rail of the rail body, each end of the snap-fitting position is provided with a guide bevel which is convenient for the corner position at the rear end of the transverse rod to slide in; and
the left end of the guide support block is downward folded to form the guide block, and a guide groove which has a guide opening facing downward and is in sliding connection with the transverse rod is formed by the guide block and the clamping blocks.

The present invention has the advantages that: under the structure coordination between the guide snap and the front holder, the guide snap and the front holder are slidably mounted on the transverse rod of the connecting frame; when the guide snap and the front holder slip to the corner positions at the two ends of the transverse rod, there is only a need to lock the latch rod onto the front holder, to make the guide snap and the front holder be held at the two ends of the transverse rod respectively, so the mechanism has a locking function while achieving the effect of quickly assembling the slide rail on an oven liner, has a holding effect, preventing the slide rail from being disengaged from the connecting frame, improving the reliability of structural performance, ensuring the use effect of the slide rail, guaranteeing the use quality of an oven. When the slide rail is disassembled, there is only a need to toggle the latch rod, to disengage the latch rod from the front holder, so as to make the front holder and the guide snap slide off the transverse rod in sequence, thus it is achieved that the slide rail is quickly disassembled, thereby facilitating replacement and maintenance, improving the use quality of the slide rail, guaranteeing the use effect of the oven.

The present invention will be further described as below with reference to the drawings.

As shown in <FIG>, an oven slide rail handling mechanism with a locking function of the present invention, comprising a connecting frame <NUM> mounted on inner walls of both sides of an oven body, and a rail body <NUM>, wherein an upper rail <NUM> of the rail body <NUM> is fitted to a baking tray, and a lower rail <NUM> of the rail body <NUM> is provided with a connecting component. The connecting component includes a guide snap <NUM> for slipping on a transverse rod <NUM> of the connecting frame <NUM> in the same horizontal direction as the upper rail <NUM>, and a front holder <NUM>, wherein the front holder <NUM> and the guide snap <NUM> are respectively mounted at a front end and a rear end of a bottom surface of the lower rail <NUM>. Moreover, the guide snap <NUM> is provided with a snap-fitting position <NUM> for snap-fitting in a corner position at a rear end of the transverse rod <NUM>, and the front holder <NUM> is provided with a latch rod <NUM> locked in a corner position at a front end of the transverse rod <NUM>.

That is, when the slide rail is assembled, the guide snap <NUM> and the front holder <NUM> are slidably mounted on the transverse rod <NUM> of the connecting frame <NUM> in order. When the guide snap <NUM> and the front holder <NUM> slip to the corner positions at the two ends of the transverse rod <NUM>, there is only a need to lock the latch rod <NUM> onto the front holder <NUM>, to make the guide snap <NUM> and the front holder <NUM> be held at the two ends of the transverse rod <NUM> respectively, so the mechanism has a locking function while achieving the effect of quickly assembling the slide rail on an oven liner, has a good holding effect, preventing the slide rail from being disengaged from the connecting frame <NUM>, improving the reliability of structural performance, ensuring the use effect of the slide rail, guaranteeing the use quality of an oven. When the slide rail is disassembled, there is only a need to toggle the latch rod <NUM>, to disengage the latch rod <NUM> from the front holder <NUM>, so as to make the front holder <NUM> and the guide snap <NUM> slide off the transverse rod <NUM> in sequence. Thus the slide rail is quickly disassembled, facilitating replacement and maintenance, improving the use quality of the slide rail, guaranteeing the use effect of an oven.

As shown in <FIG>, the front holder <NUM> comprises a U-shaped holding block slipping in the same horizontal direction as the guide snap <NUM>. An upper end of the U-shaped holding block is provided with a latch fastener position <NUM>, and a low end of the U-shaped holding block is provided with an open fastener position <NUM> and a connecting fastener position <NUM>. The latch rod <NUM> is provided with a toggle latch block <NUM>, an inner-side limiting fastener block <NUM> and a corner limiting fastener block <NUM>. The toggle latch block <NUM> is adaptively fastened or separated in the latch fastener position <NUM>, and the inner-side limiting fastener block <NUM> and the corner limiting fastener block <NUM> are fastened or separated in the open fastener position <NUM> and the connecting fastener position <NUM> respectively under the driving of the toggle latch block <NUM>.

In practical application, a positioning end of the latch rod <NUM> is connected to a rear end of the front holder <NUM> in a positioning mode, and a swing end of the latch rod <NUM> is swung up and down by taking the positioning end thereof as a fixed point. Moreover, the swing end of the latch rod <NUM> is outward folded to form the inner-side limiting fastener block <NUM>, the corner limiting fastener block <NUM> and the toggle latch block <NUM> respectively. Holding positions held at a straight bar part of the transverse rod <NUM> and the corner position are formed by the inner-side limiting fastener block <NUM> and the corner limiting fastener block <NUM> which are fastened in the open fastener position <NUM> and the connecting fastener position <NUM> and the U-shaped guide groove <NUM>.

When the guide snap <NUM> and the front holder <NUM> slip to the corner positions at the two ends of the transverse rod <NUM>, the toggle latch block <NUM> of the latch rod <NUM> is toggled, to make the toggle latch block <NUM> be fastened in the latch fastener position <NUM>. Meanwhile, the inner-side limiting fastener block <NUM> and the corner limiting fastener block <NUM> are fastened in the open fastener position <NUM> and the connecting fastener position <NUM> respectively under the driving of the toggle latch block <NUM>. At this time, holding positions formed by the inner-side limiting fastener block <NUM> and the corner limiting fastener block <NUM> and the U-shaped guide groove <NUM> are respectively held at a straight bar part of the transverse rod <NUM> and the corner position. In this way, the slide rail is quickly assembled, operation is facilitated, holding in multiple directions is achieved, having a good holding effect, having a locking function, improving the structural stability, improving the use quality of a product.

Then, the toggle latch block <NUM> of the toggled latch rod <NUM> is separated from the latch fastener position <NUM>. Meanwhile, the inner-side limiting fastener block <NUM> and the corner limiting fastener block are separated from the open fastener position <NUM> and the connecting fastener position <NUM> respectively under the swing of the swing end of the latch rod <NUM>, so that the front holder <NUM> and the guide snap <NUM> slide off the transverse rod <NUM> in sequence, thus the slide rail is quickly disassembled, operation is facilitated, facilitating maintenance and replacement, ensuring the use effect of the slide rail, guaranteeing the normal use of an oven.

Wherein, a middle part of the U-shaped holding block is provided with a U-shaped guide groove <NUM> with an opening provided toward an inner side of the transverse rod <NUM>. The U-shaped guide groove <NUM> is in sliding connection with the transverse rod <NUM>, a front end of the U-shaped guide groove <NUM> is provided with a limit stop <NUM> connected with an appropriate end of the corner position of the transverse rod <NUM>, and the latch fastener position <NUM> is provided between the connection of the limit stop <NUM> and the upper end of the U-shaped holding block. The slip smoothness of assembly or disassembly is improved, operation is facilitated, a locking effect is improved, improving the structural stability, guaranteeing the use quality of a product.

In addition, the upper end of the U-shaped holding block is provided with a limiting fastener hole <NUM> corresponding to the inner-side limiting fastener block <NUM>, and the inner-side limiting fastener block <NUM> is buckled on the limiting fastener hole <NUM> while being fastened in the open fastener position <NUM>. Moreover, the inner-side limiting fastener block <NUM> presents a <NUM>-shaped limiting fastener block connected with the inner side of the transverse rod <NUM>, the corner limiting fastener block <NUM> presents an oblique limiting fastener block snap-fitted in the corner position of the transverse rod <NUM>, and the toggle latch block <NUM> presents a Z-shaped toggle latch block conveniently operated. The reliability of structural performance is further improved, assembly or disassembly is facilitated, improving the use effect of a product.

As shown in <FIG>, <FIG>, <FIG> and <FIG>, the clamping blocks <NUM> extend to an outer side of the guide support block <NUM> and form a snap-fitting position <NUM> for being snap-fitted with or separated from the corner position of the transverse rod <NUM> together with the bottom surface of the lower rail <NUM> of the rail body <NUM>. Each end of the snap-fitting position <NUM> is provided with a guide bevel <NUM> which is convenient for the corner position at the rear end of the transverse rod <NUM> to slide in. Under the structure coordination between the clamping position <NUM> and the holding position, holding in multiple positions is achieved, the stability of assembly is improved; and under the action of the guide bevel <NUM>, the support area is increased, the compressive strength is increased, the holding stability is further improved, ensuring the use effect of the slide rail, guaranteeing the normal use of an oven.

In addition, the left end of the guide support block <NUM> is downward folded to form a guide block <NUM>, and a guide groove <NUM> which has a guide opening facing downward and is in sliding connection with the transverse rod <NUM> is formed by the guide block <NUM> and the clamping blocks <NUM>. The guide snap <NUM> and the front holder <NUM> are slidably assembled on the connecting frame <NUM> in sequence, the traditional linear slide assembling mode is replaced, the smoothness of assembly or disassembly is improved, operation is facilitated, the phenomenon of wrong assembly is effectively avoided, guaranteeing the use quality of the slide rail.

Claim 1:
An oven slide rail handling mechanism with a locking function, comprising a connecting frame (<NUM>) configured to be mounted on inner walls of both sides of an oven body, and a rail body (<NUM>), wherein an upper rail (<NUM>) of the rail body (<NUM>) is fitted to a baking tray, and a lower rail (<NUM>) of the rail body (<NUM>) is provided with a connecting component, characterized in that: the connecting component includes a guide snap (<NUM>) for slipping on a transverse rod (<NUM>) of the connecting frame (<NUM>) in the same horizontal direction as the upper rail (<NUM>), and a front holder (<NUM>), wherein the front holder (<NUM>) and the guide snap (<NUM>) are respectively mounted at a front end and a rear end of a bottom surface of the lower rail (<NUM>), the guide snap (<NUM>) is provided with a snap-fitting position (<NUM>) for snap-fitting in a corner position at a rear end of the transverse rod (<NUM>), and the front holder (<NUM>) is provided with a latch rod (<NUM>) locked in a corner position at a front end of the transverse rod (<NUM>), wherein the front holder (<NUM>) comprises a U-shaped holding block slipping in the same horizontal direction as the guide snap (<NUM>), an upper end of the U-shaped holding block is provided with a latch fastener position (<NUM>), wherein the latch rod (<NUM>) is provided with a toggle latch block (<NUM>), wherein the toggle latch block (<NUM>) is adaptively fastened or separated in the latch fastener position (<NUM>), characterized in that, a low end of the U-shaped holding block is provided with an open fastener position (<NUM>) and a connecting fastener position (<NUM>), in that the latch rod (<NUM>) is further provided with an inner-side limiting fastener block (<NUM>) and a corner limiting fastener block (<NUM>), and in that the inner-side limiting fastener block (<NUM>) and the corner limiting fastener block (<NUM>) are fastened or separated in the open fastener position (<NUM>) and the connecting fastener position (<NUM>) respectively under the driving of the toggle latch block (<NUM>).