CN111637681A - shelving - Google Patents

Abstract

A shelf, the shelf includes a shelf for carrying storage, two supporting frames arranged opposite to each other and used to support the shelf, and a lift adjustment for adjusting the upper and lower heights of the shelf mechanism, the shelf can be located at least at a first height and a second height on the upper side of the first height under the adjustment action of the lift adjustment mechanism, and the lift adjustment mechanism includes a For the slide rail assembly and the damper connected to the corresponding slide rail assembly, the slide rail assembly can drive the damper to move up and down when the slide rail assembly is adjusted between the first height and the second height, and the damper is opposite from the second height. The shelf when lowered to the first height is damped. The storage rack of the present invention not only greatly simplifies the operation process of the lifting and adjusting mechanism, but also does not need to take down the stored objects in advance, thus greatly avoiding the damage of the stored objects in the process of picking and placing.

Description

shelving

technical field

The present invention relates to a rack.

Background technique

A shelf in a storage room of a traditional refrigerator, its lift adjustment mechanism includes two support rods oppositely arranged at the rear end of the storage room and two cantilever brackets matched with the support rods, the support rods are in the up-down direction There are several positioning holes on the cantilever frame, and the cantilever frame is provided with a fixed structure that matches the positioning holes. The cantilever frame is used to carry the shelf. However, when the height of the cantilever frame needs to be adjusted, it is necessary to remove the storage on the shelf first. The cantilever frame is then taken out from the positioning hole. However, selecting an appropriate height and then fixing the cantilever frame in the positioning hole is not only cumbersome, but also easily damaged during the process of picking and placing the stored items.

In view of this, it is necessary to improve the existing racks to solve the above problems.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a shelf with convenient height adjustment.

In order to achieve the above object of the invention, the present invention provides a shelf, which comprises a shelf for carrying storage objects, two supporting frames arranged opposite to each other and used for supporting the shelf, and a shelf for adjusting The lifting adjustment mechanism for the upper and lower heights of the shelf is characterized in that: the shelf can be located at least at a first height and a second height above the first height under the adjustment action of the lifting adjustment mechanism, and the The lift adjustment mechanism includes a pair of slide rail assemblies respectively fixed with the support frame and a damper connected to the corresponding slide rail assemblies, and the slide rail assemblies can drive the The damper moves up and down, and the damper damps the shelf when it descends from the second height to the first height.

As a further improvement of the present invention, each of the slide rail assemblies includes a fixed inner rail and an outer rail that can move relative to the inner rail in an up-down direction, and the damper has a first end and a first end opposite to each other. Two ends, the first end is connected to the bottom end of the outer rail, the second end is located on the lower side of the first end and the distance between them is variable, the second end is fixedly connected to the inner rail.

As a further improvement of the present invention, the slide rail assembly also has a number of balls that can be sandwiched between the inner rail and the outer rail, and the lower end of the outer rail is provided with a convex hull matched with the balls. When an upward force is applied to the outer rail, the convex hull drives the ball to move upward, and at this time, the inner rail remains stationary, and the outer rail moves upward along the inner rail along with the ball.

As a further improvement of the present invention, the outer rail has a first main body portion and a pair of first clamping arms formed by bending and extending from two sides of the first main body portion, and the inner rail has a second main body portion and a pair of first clamping arms. Two sides of the second main body portion are bent and extended to form a pair of second clamping arms, and the balls are rotatably sandwiched between the first clamping arms and the corresponding second clamping arms.

As a further improvement of the present invention, the damper includes an air cylinder and a piston matched with the air cylinder, and a lower end of the first main body portion is provided with a fixing portion extending in a horizontal direction, and the fixing portion is used to fix the The piston drives the piston to move up and down through the up and down movement of the outer rail. When the shelf is at the first height, the piston is completely located in the gas cylinder, and when the shelf is at the second height When the piston is exposed to the outside of the air cylinder, when the second height is adjusted to the first height, the piston compresses the air in the air cylinder with the downward movement of the outer rail to generate resistance to reduce the downward movement speed.

As a further improvement of the present invention, the lower end of the gas cylinder is provided with a fitting portion extending toward the inner rail, and the fitting portion is installed between the pair of second clamping arms.

As a further improvement of the present invention, the first main body portion is provided with a first positioning hole, and the second main body portion is provided with a second positioning hole corresponding to the first positioning hole at the second height, The rear end of the inner rail is further provided with a matching portion fixed with the inner rail, and the matching portion is provided with a third positioning hole corresponding to the second positioning hole.

As a further improvement of the present invention, a positioning assembly is provided between the second positioning hole and the third positioning hole, and the positioning assembly includes a switch button, a positioning pin and an elastic member.

As a further improvement of the present invention, the positioning pin extends along the front-rear direction and includes a positioning portion and a mounting portion located on the rear side of the positioning portion. The mounting portion is provided with a concave mounting hole, and the elastic member is provided with a mounting portion. In the installation hole and the third positioning hole, the switch button includes an operation part and a push part located at the rear end of the operation part and extending and sleeved on the periphery of the positioning part along the horizontal direction.

As a further improvement of the present invention, each of the support brackets includes a fixing member and a cantilever fixed on the fixing member, the shelf is erected on a pair of the cantilever arms, and the fixing member is fixed on the first on the main body.

Beneficial effects of the present invention: the lift adjustment mechanism of the present invention has an adjustable first height and a second height, and the second height is higher than the first height, and the lift adjustment mechanism includes a slide rail assembly and a damper respectively fixed to the support frame , when you need to adjust the first height to the second height, you only need to lift the support frame vertically; when you need to adjust the second height to the first height, you only need to release the support frame on the second height and let it The resistance generated by the damper can be used to freely fall to the first height, which greatly simplifies the operation of the lifting and adjusting mechanism, and at the same time does not need to remove the storage objects, thus greatly avoiding damage to the storage objects during the picking and placing process.

Description of drawings

FIG. 1 is a perspective view of the rack of the present invention at a first height.

Fig. 2 is a perspective view of the rack of the present invention at the second height.

Figure 3 is an isometric exploded view of the support frame, slide rail assembly and damper.

FIG. 4 is a partial top view of FIG. 1 .

FIG. 5 is a schematic perspective view of FIG. 3 from another perspective.

Detailed ways

The present invention will be described in detail below with reference to the embodiments shown in the accompanying drawings. However, this embodiment does not limit the present invention, and structural, method, or functional changes made by those skilled in the art according to this embodiment are all included in the protection scope of the present invention.

Please refer to FIG. 1 to FIG. 5 showing the embodiments of the racks of the present invention. First, define the X-axis as the front-rear direction, the Y-axis as the left-right direction (also called the lateral direction), and the Z-axis as the up-down direction. The upper, middle and lower three-layer racks are arranged in the up-down direction. The upper and lower racks are usually fixed positions, while the middle rack can be adjusted in the up-down direction. The rack of the present invention includes a A shelf 1 for carrying storage objects, two supporting frames 2 arranged opposite to each other and used to support the shelf 1, and a lift adjustment mechanism for adjusting the upper and lower heights.

1 and 2, the lift adjustment mechanism has an adjustable first height and a second height in the vertical direction, and the second height is higher than the first height, and the lift adjustment mechanism includes The slide rail assembly 3 and the damper 4 are respectively fixed with the support frame 2 .

Referring to FIGS. 3 to 5 , the slide rail assembly 3 includes an outer rail 31 , an inner rail 32 , a ball bracket 33 disposed between the outer rail 31 and the inner rail 32 , and a ball bracket 33 disposed in the inner rail 31 . The matching portion 34 at the rear end of the rail 32, the ball bracket 33 is provided with a plurality of through holes arranged in the up-down direction for accommodating a plurality of balls, and the outer rail 31 has a first main body portion 311, extending from the first main body portion The two sides of the 311 are also bent and extended to form a first clamping arm 312 and a first sliding slot 313 provided on the first clamping arm 312. The inner rail 32 has a second main body portion 321, which extends from the second main body. The two sides of the portion 321 are also bent and extended to form a second clamping arm 322 and a second sliding slot 323 provided on the second clamping arm 322. The balls are arranged on the first sliding slot 313 and the second between the chute 323.

The lower end of the first chute 313 is provided with a convex hull 314 protruding toward each other. When the outer rail 31 slides upward along the inner rail 32 , the convex hull 314 is used to abut the ball to drive the ball. The upward movement of the balls causes the outer rail 31 to move upward along the inner rail 32 .

The first main body portion 311 is provided with a first positioning hole 315, and the second main body portion 321 is provided with a second positioning hole 324 corresponding to the first positioning hole 315 at the second height. The matching portion 34 is fixed to the rear end of the second main body portion 321, and the matching portion 34 is also fixed to the rear end of the refrigerator. Therefore, the inner rail 32 is also fixed, and only the outer rail 31 can be fixed. Sliding up and down along the inner rail 32 , the matching portion 34 is provided with a third positioning hole 341 corresponding to the second positioning hole 324 , and the third positioning hole 341 is provided in the recessed area of the matching portion 34 . Inside.

A positioning assembly 5 is disposed between the second positioning hole 324 and the third positioning hole 341 , and the positioning assembly 5 includes a switch button 51 , a positioning pin 52 and an elastic member 53 sequentially arranged in the front and rear directions. The switch button 51 includes a cylindrical operating portion 511 and a push portion 512 located at the rear end of the operating portion 511 and extending in a horizontal direction. The positioning pin 52 includes a positioning portion 521 disposed from front to back and a The positioning portion 521 is connected to the mounting portion 522, the positioning portion 521 is located in the second positioning hole 324, the pushing portion 512 is sleeved on the periphery of the positioning portion 521, and the rear end of the mounting portion 522 is also provided with There is a concave mounting hole, and the elastic member 53 is disposed in the mounting hole and the third positioning hole 341 .

The support frame 2 includes a fixing member 21 and a cantilever 22 fixed on the fixing member 21. The cantilever 22 is used to place the shelf 1, and the fixing member 21 can be fixed by rivets (not shown). The first main body portion 311 is located between the first positioning hole 315 and the convex hull 314 in the up-down direction.

The damper 4 includes a piston 41 and an air cylinder 42 matched with the piston 41 . The lower end of the first main body portion 311 is provided with a fixing portion 316 extending forward along the horizontal direction. The fixing portion 316 is used for The upper end of the piston 41 is fixed and the piston 41 is moved up and down in the air cylinder 42 by the up and down movement of the outer rail 31 . The assembling part 43 is fixedly installed between the second clamping arms 322 , and the damper 4 can be used according to the usage scene of the shelf, that is, the weight of the storage object placed on the shelf can be adjusted. Choose dampers 4 with different specifications.

The height adjustment method of the rack: when the rack is adjusted from the first height to the second height, the piston 41 is completely located in the air cylinder 42, and the user can use both hands to adjust the height. The cantilever 22 or the shelf 1 exerts force so that the outer rail 31 slides up along the inner rail 32 under the action of the external force, thereby driving the piston 41 to move up until it reaches the second height, while the The resistance of the piston 41 during the upward movement is extremely small, and the resistance between the outer rail 31 and the inner rail 32 is also extremely small due to the movement of the outer rail 31 and the inner rail 32, so the resistance of the outer rail 31 to move upward is extremely small. It is almost derived from the weight of the storage items on the shelf 1, the user only needs to pay attention to the approximate weight of the storage items on the shelf 1 and then apply a suitable force to realize the height adjustment of the storage rack without prior adjustment. When the storage object is removed, since the positioning pin 52 is acted by the elastic force of the elastic member 53, the positioning portion 521 abuts the first main body portion 311 through the second positioning hole 324. When the rail 31 moves up to the second height, the positioning portion 521 is subjected to the elastic force of the elastic member 53 and enters the first positioning hole 315 to achieve positioning.

When the rack is adjusted from the second height to the first height, it is only necessary to press the operating portion 511 backward to drive the pushing portion 512 to exert a backward force on the mounting portion 522 , and then through the elastic compression of the elastic member 53 , the positioning portion 521 is withdrawn from the first positioning hole 315 to release the fixing of the outer rail 31 . The gravity of the object moves downward, and the piston 41 moves downward to compress the air of the air cylinder 42 to achieve a buffering effect, so that the outer rail 31 slowly moves down to the first height, so there is no need to remove the stored objects in advance. down. There is also a bump structure (not shown) on the upper end of the first main body portion 311 . When the rack is located at the first height, the bump structure can be matched with the inner rail 32 . Do the matching structures of the racks jointly bear the weight of the storage object and itself, so that the rack is stably located at the first height.

To sum up, when the rack of the present invention is adjusted from the first height to the second height, it is only necessary to apply upward force to make the outer rail 31 move upward to the second height, When the second height is adjusted to the first height, it is only necessary to press the operation part 511 to release the fixing of the positioning pin 52 to the outer rail 31 , and then move down slowly by the buffering of the damper 4 It is enough to reach the first height. Whether it is adjusted from the first height to the second height or from the second height to the first height, there is no need to remove the storage in advance, not only greatly It simplifies the operation process, and also greatly avoids the damage of the storage items during the pick-and-place process.

The above embodiments are only used to illustrate the technical solutions of the present invention and not to limit them. Although the present invention has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the technical solutions of the present invention can be modified or equivalently replaced. Without departing from the spirit and scope of the technical solutions of the present invention.

Claims (10)

1. A rack, the rack includes the shelf used for bearing the weight of the storage, two relatively set up and is used for supporting the support frame of the said shelf and is used for adjusting the lifting adjustment mechanism of the upper and lower height of the said shelf, characterized by that: the shelf can be at least positioned at a first height and a second height above the first height under the adjusting action of the lifting adjusting mechanism, the lifting adjusting mechanism comprises a pair of slide rail assemblies and a damper, the slide rail assemblies are respectively fixed with the support frame, the damper is connected to the corresponding slide rail assemblies, the damper can be driven to move up and down when the slide rail assemblies are adjusted between the first height and the second height, and the damper can damp the shelf when the shelf is lowered from the second height to the first height.

2. The rack of claim 1, wherein: each slide rail set spare includes the immovable inner rail and can follow the upper and lower direction for the outer rail of inner rail motion, the attenuator has relative first end and the second end that sets up, first end connect in the bottom of outer rail, the second end is located the downside of first end and the distance between the two is variable, second end fixed connection in the inner rail.

3. The rack of claim 2, wherein: the sliding rail assembly is further provided with a plurality of balls which can be clamped between the inner rail and the outer rail in a rolling mode, a convex hull matched with the balls is arranged at the lower end of the outer rail, when upward force is applied to the outer rail, the convex hull drives the balls to move upwards, the inner rail is kept static at the moment, and the outer rail moves upwards along with the balls along the inner rail.

4. The rack of claim 2, wherein: the outer rail is provided with a first main body part and a pair of first clamping arms formed by bending and extending two sides of the first main body part, the inner rail is provided with a second main body part and a pair of second clamping arms formed by bending and extending two sides of the second main body part, and the balls can be clamped between the first clamping arms and the corresponding second clamping arms in a rolling manner.

5. The rack of claim 4, wherein: the damper comprises an air cylinder and a piston matched with the air cylinder, a fixing part extending in the horizontal direction is arranged at the lower end of the first main body part and used for fixing the piston and driving the piston to move up and down by means of up and down movement of the outer rail, when the shelf is at the first height, the piston is completely positioned in the air cylinder, when the shelf is at the second height, the piston is exposed outside the air cylinder, and when the second height is adjusted to the first height, the piston moves down along with the outer rail to compress air in the air cylinder to generate resistance so as to reduce the speed of moving down.

6. The rack of claim 5, wherein: the lower extreme of inflator is equipped with the assembly portion that extends towards the inner rail, assembly portion install in between a pair of second arm lock.

7. The rack of claim 4, wherein: the first main body part is provided with a first positioning hole, the second main body part is provided with a second positioning hole corresponding to the first positioning hole in the second height, the rear end of the inner rail is further provided with a matching part fixed with the inner rail, and the matching part is provided with a third positioning hole corresponding to the second positioning hole.

8. The rack of claim 7, wherein: and a positioning assembly is arranged between the second positioning hole and the third positioning hole and comprises a switch button, a positioning pin and an elastic piece.

9. The rack of claim 6, wherein: the locating pin extends along the fore-and-aft direction and sets up and includes location portion and is located the installation department of location portion rear side, the installation department is equipped with the mounting hole of indent, the elastic component is located the mounting hole with in the third locating hole, shift knob includes the operation portion and is located the rear end of operation portion just extends the cover along the horizontal direction and locates location portion outlying promotion portion.

10. The rack of claim 4, wherein: each support frame comprises a fixing piece and a cantilever fixed on the fixing piece, the shelf is erected on the pair of cantilevers, and the fixing piece is fixed on the first main body part.

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