CN220256045U - Slide rail front end adjusting device - Google Patents

Abstract

The utility model discloses a front end adjusting device of a sliding rail, and belongs to the technical field of sliding rails. The utility model relates to a sliding rail front end adjusting device which comprises a base, a lock catch, an unlocking button, a left adjusting wheel, a right adjusting block, a height adjusting wheel and a height adjusting block, wherein the lock catch and the unlocking button form a lock catch mechanism, the left adjusting wheel, the right adjusting wheel, the left adjusting block and the right adjusting block form a left adjusting mechanism, and the height adjusting wheel and the height adjusting block form a height adjusting mechanism. The base is provided with the locking mechanism, the left and right adjusting mechanisms and the height adjusting mechanism, the plug on the left and right adjusting blocks is approximately vertical to the sliding direction of the lock catch, the height adjusting mechanism adopts the height adjusting blocks which move horizontally, the structure is simple and compact, and the whole size is small; the left adjusting wheel and the right adjusting block are matched and connected by adopting a screw nut transmission mechanism, the height adjusting wheel and the height adjusting block are matched by adopting a screw helical gear transmission mechanism, the transmission structure is simple, the assembly and the manufacture are convenient, and the manufacturing cost of the adjusting device is reduced.

Description

Slide rail front end adjusting device

Technical Field

The utility model relates to a drawer slide fitting, in particular to a slide front end adjusting device.

Background

Drawer and other drawable furniture components are usually mounted in corresponding cabinets by means of sliding rails, so that smoothness of drawing, opening and closing is guaranteed. However, due to the errors in manufacturing and installing the sliding rail, the front panel of the drawer is deviated from the cabinet body, so that the front panel of the drawer is uneven or uneven with the surface of the cabinet body after the drawer is closed, the aesthetic property of the drawer is seriously affected, and even the normal drawing and pulling use of the drawer can be affected.

Aiming at the situation, the common scheme is that an adjusting device is arranged between the front end of a drawer slide rail and a drawer, and the front and back, left and right and high and low positions of the drawer are adjusted by the adjusting device. The existing adjusting device integrates front-back, left-right and height adjustment, for example, an adjustable mechanism of a drawer front mounting mechanism disclosed in Chinese patent number ZL202022779846.3 comprises a fixed base, a height adjusting mechanism arranged on the fixed base, a left-right adjusting mechanism and a front-back adjusting mechanism, wherein the fixed base is arranged at the bottom of the drawer, and the height adjusting mechanism comprises a height adjusting block and a height adjusting button in threaded connection with the height adjusting block; the height adjusting block is provided with a height driving inclined plane matched with the inclined plane of the sliding rail; the left-right adjusting mechanism comprises a left-right adjusting seat and a left-right adjusting button in threaded connection with the left-right adjusting seat; the left and right adjusting seats are provided with left and right driving plates matched with the inner side surfaces of the movable rails; the front-back adjusting mechanism comprises a front-back adjusting block, a ratchet block is arranged on the front-back adjusting block, and the ratchet block is meshed with a ratchet bar on the fixed base; front and rear driving inclined planes matched with the front side surfaces of the fixed rails are arranged on the front and rear adjusting blocks; the ratchet block is provided with a button which can separate the ratchet block from the ratchet bar. The adjusting device can adjust the drawer left and right, front and back and up and down, but the structural design is relatively complex, and the layout space of the height adjusting mechanism, the left and right adjusting mechanism and the front and back adjusting mechanism on the fixed base is limited, so that the whole size is large, and the assembly and the manufacture are inconvenient.

Based on the existing independent front-back adjusting components, the front-back position of the drawer can be adjusted, so that the structure of the adjusting device can be further simplified, and the size can be further reduced through optimizing the structural layout and structural design of the adjusting device, and the assembly and the manufacture are convenient.

Disclosure of Invention

1. Technical problem to be solved by the utility model

The utility model aims to provide a front end adjusting device of a sliding rail, which solves the problems of complex structure, large overall size, inconvenient assembly and manufacture and the like of the existing sliding rail adjusting device, by adopting the technical scheme of the utility model, a locking mechanism, a left and right adjusting mechanism and a height adjusting mechanism are distributed on a base, the left and right adjusting mechanism adopts left and right adjusting blocks which move in the left and right direction, a plug on the left and right adjusting blocks is approximately vertical to the sliding direction of the locking mechanism, and the height adjusting mechanism adopts a height adjusting block which moves horizontally, so that the structure is simple and compact, and the overall size is small; and the left adjusting wheel and the right adjusting block are matched and connected by adopting a screw nut transmission mechanism, the height adjusting wheel and the height adjusting block are matched by adopting a screw helical gear transmission mechanism, the transmission structure is simple, the assembly and the manufacture are convenient, and the manufacturing cost of the adjusting device is reduced.

2. Technical proposal

In order to achieve the above purpose, the technical scheme provided by the utility model is as follows:

the utility model relates to a front end adjusting device of a sliding rail, which comprises a base, a lock catch, an unlocking button, a left adjusting wheel, a right adjusting block, a height adjusting wheel and a height adjusting block, wherein the lock catch is arranged on the base in a sliding way along the left-right direction, the unlocking Niu Zhuaidong is arranged on the base, the unlocking button is provided with a poking rod for driving the lock catch to move in a telescopic way, and an elastic piece for enabling the lock catch to extend is arranged between the lock catch and the base or between the unlocking button and the base; the left and right adjusting blocks are movably arranged on the base along the left and right directions, the left and right adjusting wheels are limited in a first mounting groove of the base, the left and right adjusting wheels are connected with the left and right adjusting blocks in a matched mode through a screw nut transmission mechanism, the left and right adjusting blocks are driven to move along the left and right directions through rotating the left and right adjusting wheels, and plugs arranged along the front and rear directions are further arranged on the left and right adjusting blocks; the height adjusting block is arranged on the base in a sliding mode along the horizontal direction, the height adjusting wheel is rotatably arranged in a second mounting groove of the base, the height adjusting wheel is matched with the height adjusting block through a screw helical gear transmission mechanism, the height adjusting block is driven to move in the horizontal direction through rotating the height adjusting wheel, and the height adjusting block is further provided with an inclined plane arranged along the moving direction of the height adjusting block.

Further, a rotating shaft is arranged on the base, and the unlocking button is rotatably arranged on the rotating shaft and limits unlocking Niu Zhouxiang through a connecting screw; the lock catch is provided with a clamping groove for accommodating the poking rod.

Furthermore, the lock catch is slidably arranged in the sliding groove of the base, the elastic piece is a compression spring arranged at the tail part of the lock catch, and the base is provided with a limit column for limiting the end part of the compression spring.

Still further, the left and right adjusting blocks are provided with screws arranged along the left and right directions, the inner sides of the left and right adjusting wheels are provided with internal threads, and the left and right adjusting wheels are connected with the screws in a threaded mode.

Still further, still be equipped with the spacing arch that is used for carrying out spacing to the removal position of controlling the regulating block on the base.

Further, the periphery of the height adjusting wheel is provided with screw teeth, one side of the height adjusting block is provided with helical teeth, and the screw teeth are meshed with the helical teeth.

Furthermore, axle clamping holes are formed in the side walls of the two sides of the second mounting groove, and the axles at the two ends of the height adjusting wheel are clamped in the corresponding axle clamping holes and can rotate freely in the axle clamping holes.

Furthermore, the two sides of the height adjusting block are provided with guide sliding tables along the moving direction of the height adjusting block, and the base is provided with limit buckles buckled on the guide sliding tables at the corresponding sides; the height adjusting block is further provided with a sliding groove extending along the moving direction of the height adjusting block, and the base is provided with a guide rib in sliding fit with the sliding groove.

Further, the base is approximately L-shaped, and the base is also provided with an elastic arm with the same direction as the plug of the left and right adjusting blocks.

3. Advantageous effects

Compared with the prior art, the technical scheme provided by the utility model has the following beneficial effects:

(1) The utility model relates to a front end adjusting device of a sliding rail, which comprises a base, a lock catch, an unlocking button, a left adjusting wheel, a right adjusting block, a height adjusting wheel and a height adjusting block, wherein the lock catch mechanism, the left adjusting mechanism, the right adjusting mechanism and the height adjusting mechanism are distributed on the base; the left adjusting wheel and the right adjusting block are matched and connected by adopting a screw nut transmission mechanism, the height adjusting wheel and the height adjusting block are matched by adopting a screw helical gear transmission mechanism, the transmission structure is simple, the assembly and the manufacture are convenient, and the manufacturing cost of the adjusting device is reduced;

(2) According to the sliding rail front end adjusting device, the rotating shaft is arranged on the base, the unlocking button is rotatably arranged on the rotating shaft and used for limiting unlocking Niu Zhouxiang through the connecting screw, and the lock catch is provided with the clamping groove for accommodating the toggle rod; the unlocking button is rotated to convert the unlocking button into telescopic motion of the lock catch, so that unlocking of the lock catch is realized, and the structure is simple and the operation is convenient;

(3) According to the sliding rail front end adjusting device, the lock catch is slidably arranged in the sliding groove of the base, the elastic piece is the compression spring arranged at the tail part of the lock catch, the base is provided with the limiting column used for limiting the end part of the compression spring, and the compression spring acting on the tail part of the lock catch is used for providing elasticity, so that the locking stability of the lock catch can be improved;

(4) According to the slide rail front end adjusting device, the left adjusting block and the right adjusting block of the slide rail front end adjusting device are provided with the screw rods arranged along the left-right direction, the inner sides of the left adjusting wheel and the right adjusting wheel are provided with the internal threads, the left adjusting wheel and the right adjusting wheel are connected with the screw rods in a threaded manner, and the screw nut transmission mechanism is simple and compact in structure and flexible and convenient in left-right adjusting operation; in addition, the base is also provided with a limiting protrusion for limiting the moving position of the left and right adjusting blocks, so that the left and right adjusting blocks can be effectively prevented from being separated from the left and right adjusting wheels;

(5) According to the sliding rail front end adjusting device, the screw teeth are arranged on the periphery of the height adjusting wheel, the inclined teeth are arranged on one side of the height adjusting block, the screw teeth are meshed with the inclined teeth, and the screw tooth inclined tooth transmission mechanism is adopted to match, so that the sliding rail front end adjusting device is simple in structure, is beneficial to flattening design of the height adjusting block, and ensures overall compactness of the adjusting device;

(6) According to the sliding rail front end adjusting device, the wheel axle clamping holes are formed in the side walls of the two sides of the second mounting groove, and the wheel axles at the two ends of the height adjusting wheel are clamped in the corresponding wheel axle clamping holes and can freely rotate in the wheel axle clamping holes, so that the mounting of the height adjusting wheel is facilitated, and the assembly convenience of the adjusting device is improved;

(7) According to the front end adjusting device of the sliding rail, the two sides of the height adjusting block are provided with the guide sliding tables along the moving direction of the height adjusting block, and the base is provided with the limit buckles buckled on the guide sliding tables on the corresponding sides; the height adjusting block is also provided with a chute extending along the moving direction of the height adjusting block, and the base is provided with a guide rib in sliding fit with the chute; by adopting the design, the height adjusting block is simple and convenient to install on the base, and the guide is stable;

(7) The utility model relates to a front end adjusting device of a sliding rail, wherein a base of the front end adjusting device is approximately L-shaped, and an elastic arm which is consistent with the plug orientation of a left adjusting block and a right adjusting block is also arranged on the base, and can abut against the sliding rail to prevent the occurrence of impact sound when a drawer is closed.

Drawings

FIG. 1 is a schematic view showing a mounting state of a front end adjusting device of a sliding rail on the sliding rail according to the present utility model;

fig. 2 is a schematic diagram illustrating a detachment state of a front end adjusting device of a sliding rail and the sliding rail according to the present utility model;

FIG. 3 is a schematic view of an angle structure of a front end adjusting device of a sliding rail according to the present utility model;

FIG. 4 is a schematic view of another angle structure of a front end adjusting device of a sliding rail according to the present utility model;

FIG. 5 is a schematic view of an angle-splitting structure of a front end adjusting device of a sliding rail according to the present utility model;

FIG. 6 is a schematic view of another angle splitting structure of a front end adjusting device of a sliding rail according to the present utility model;

fig. 7 is a schematic structural view of a base in a front end adjusting device of a sliding rail according to the present utility model;

fig. 8 is a schematic structural view of a height adjusting block in a front end adjusting device of a sliding rail according to the present utility model.

Reference numerals in the schematic drawings illustrate:

10. an adjusting device; 11. a base; 11-1, an elastic arm; 11-2, limiting buckles; 11-3, limiting protrusions; 11-4, a first mounting groove; 11-5, a second mounting groove; 11-6, a wheel shaft clamping hole; 11-7, rotating shaft; 11-8, guiding ribs; 11-9, limit posts; 12. locking; 12-1, a clamping groove; 13. unlocking the button; 13-1, a toggle rod; 14. left and right regulating wheels; 14-1, internal threads; 15. left and right adjusting blocks; 15-1, plug; 15-2, a screw rod; 16. a height adjustment wheel; 16-1, screw teeth; 16-2, wheel axle; 17. a height adjusting block; 17-1, a guiding sliding table; 17-2, a chute; 17-3, inclined plane; 17-4, helical teeth; 18. an elastic member; 19. a connecting screw;

20. a slide rail; 21. a movable rail; 21-1, side connection holes; 21-2, end jacks.

Detailed Description

For a further understanding of the present utility model, the present utility model will be described in detail with reference to the drawings and examples.

Examples (example)

Referring to fig. 1 to 6, a front end adjusting device for a slide rail of the present embodiment includes a base 11, a lock catch 12, an unlocking knob 13, a left and right adjusting wheel 14, a left and right adjusting block 15, a height adjusting wheel 16 and a height adjusting block 17, wherein the lock catch 12 is slidably disposed on the base 11 along the left and right direction and can be locked by cooperating with a side connecting hole 21-1 on a side wall of a movable rail 21 of a slide rail 20; the unlocking button 13 is rotatably installed on the base 11, the unlocking button 13 is provided with a toggle rod 13-1 for driving the lock catch 12 to move in a telescopic mode, an elastic piece 18 for enabling the lock catch 12 to keep a stretching trend is arranged between the lock catch 12 and the base 11 or between the unlocking button 13 and the base 11, the unlocking button 13 is rotated, the toggle rod 13-1 swings to push and pull the lock catch 12, the lock catch 12 is retracted towards the inner side of the base 11, and then the lock catch 12 can be withdrawn from the side connecting hole 21-1 of the movable rail 21, so that unlocking of the adjusting device 10 and the sliding rail 20 is achieved. The left and right regulating block 15 is movably arranged on the base 11 along the left and right direction, so that the left and right regulating block 15 can move left and right, the left and right regulating wheel 14 is limited in the first mounting groove 11-4 of the base 11, the left and right regulating wheel 14 is connected with the left and right regulating block 15 in a matched manner by adopting a screw nut transmission mechanism, the left and right regulating block 15 is driven to move along the left and right direction by rotating the left and right regulating wheel 14, the left and right regulating block 15 is also provided with a plug 15-1 arranged along the front and rear direction, the plug 15-1 can be inserted into an end jack 21-2 of the movable rail 21, and the regulating device 10 can be stably connected with the slide rail 20 by matching with the lock catch 12. When the drawer is adjusted left and right, the left and right adjusting wheel 14 is rotated to enable the left and right adjusting block 15 to move along the left and right direction, so that the left and right relative positions of the base 11 and the sliding rail 20 can be changed, and the base 11 is connected with the drawer, so that the left and right adjustment of the drawer is realized. The height adjusting block 17 is arranged on the base 11 in a sliding manner along the horizontal direction, the height adjusting wheel 16 is rotatably arranged in the second mounting groove 11-5 of the base 11, the height adjusting wheel 16 is matched with the height adjusting block 17 through a screw helical gear transmission mechanism, the height adjusting block 17 is driven to move in the horizontal direction by rotating the height adjusting wheel 16, the height adjusting block 17 is further provided with an inclined surface 17-3 arranged along the moving direction of the height adjusting block 17, the inclined surface 17-3 is abutted against the end surface of the movable rail 21, the abutting position of the inclined surface 17-3 and the end surface of the movable rail 21 can be changed in the moving process of the height adjusting block 17, and then the relative height between the base 11 and the sliding rail 20 is changed, so that the height adjustment of the drawer is realized.

Referring further to fig. 5 and 6, in the present embodiment, a rotation shaft 11-7 is provided on a base 11, an unlocking knob 13 is rotatably mounted on the rotation shaft 11-7, and the unlocking knob 13 is axially limited by a connection screw 19, so that the unlocking knob 13 can freely rotate around the rotation shaft 11-7. The lock catch 12 is provided with the clamping groove 12-1 for accommodating the toggle rod 13-1, and in the process of rotating the unlocking button 13, the toggle rod 13-1 can swing in the clamping groove 12-1 to push and pull the lock catch 12, so that the telescopic movement of the lock catch 12 relative to the base 11 is realized, the lock catch 12 is unlocked, and the lock catch is simple in structure and convenient to operate. In this embodiment, the lock catch 12 is slidably mounted in the sliding groove of the base 11, so that the lock catch 12 has only one degree of freedom in telescopic movement, the elastic member 18 is a compression spring disposed at the tail of the lock catch 12, the base 11 is provided with a limiting post 11-9 for limiting the end of the compression spring, one end of the compression spring can extend into a spring hole at the tail of the lock catch 12, and the other end of the compression spring can be sleeved on the limiting post 11-9, thereby ensuring stability of the spring and improving locking stability of the lock catch 12.

Referring to fig. 5, in the present embodiment, the left and right adjusting block 15 has a screw 15-2 provided in the left and right direction, and the inside of the left and right adjusting wheel 14 has an internal thread 14-1, and the left and right adjusting wheel 14 is screwed to the screw 15-2. Since the axial position of the left and right regulating wheel 14 is restricted, the screw 15-2 can be driven to move in the axial direction when the left and right regulating wheel 14 is rotated, and the left and right movement regulation of the left and right regulating block 15 is realized. The screw nut transmission mechanism is simple and compact in structure, and flexible and convenient in left and right adjustment operation. In addition, the base 11 is further provided with a limiting protrusion 11-3 for limiting the movement position of the left and right adjusting blocks 15, so that the left and right adjusting blocks 15 can be effectively prevented from being separated from the left and right adjusting wheels 14. The periphery of the height adjusting wheel 16 is provided with screw teeth 16-1, one side of the height adjusting block 17 is provided with helical teeth 17-4, and the screw teeth 16-1 are meshed with the helical teeth 17-4. The screw teeth 16-1 are in a spiral structure and can be used as anti-skid threads on the outer side of the height adjusting wheel 16, in the rotating process of the screw teeth 16-1, the screw teeth 17-4 can be driven to move, the screw teeth 17-4 correspond to local internal threaded holes, and the screw teeth 16-1 push the height adjusting block 17 to move through the rotation of the height adjusting wheel 16, so that the horizontal movement of the height adjusting block 17 is realized. The screw helical gear transmission mechanism is matched, so that the structure is simple, the flattening design of the height adjusting block 17 is facilitated, and the overall compactness of the adjusting device is ensured. In order to facilitate the installation of the height adjusting wheel 16, wheel axle clamping holes 11-6 are arranged on the side walls of the two sides of the second installation groove 11-5, and wheel axles 16-2 at the two ends of the height adjusting wheel 16 are clamped in the corresponding wheel axle clamping holes 11-6 and can freely rotate in the wheel axle clamping holes 11-6. The cross section of the axle clamping hole 11-6 can be C-shaped, a mounting guide groove which is convenient for mounting the axle 16-2 is formed in the side opening of the axle clamping hole 11-6, and the axle 16-2 on two sides of the height adjusting wheel 16 can be aligned with the mounting guide groove to be pressed downwards during mounting, so that the axle 16-2 is clamped into the corresponding axle clamping hole 11-6, the mounting of the height adjusting wheel 16 is facilitated, and the assembly convenience of the adjusting device is improved.

As shown in fig. 3 to 8, the two sides of the height adjusting block 17 are provided with guiding sliding tables 17-1 along the moving direction of the height adjusting block 17, the base 11 is provided with limiting buckles 11-2 buckled on the guiding sliding tables 17-1 on the corresponding sides, and the limiting buckles 11-2 can enable the height adjusting block 17 to be stably mounted on the base 11; the height adjusting block 17 is also provided with a chute 17-2 extending along the moving direction of the height adjusting block 17, the base 11 is provided with a guide rib 11-8 in sliding fit with the chute 17-2, and the guide rib 11-8 can enable the height adjusting block 17 to stably slide. With this design, the height adjusting block 17 is simply and conveniently mounted on the base 11, and the guide is stable. In this embodiment, the height adjusting block 17 moves in the front-rear direction, i.e., is perpendicular to the moving direction of the left-right adjusting block 15, so that the reasonable layout of the left-right adjusting mechanism and the height adjusting mechanism on the base 11 is facilitated.

In the present embodiment, the base 11 is substantially L-shaped, and the base 11 is further provided with an elastic arm 11-1 oriented in line with the plug 15-1 of the left and right adjusting block 15, and the elastic arm 11-1 can abut against the slide rail to prevent the occurrence of a striking sound when the drawer is closed.

A slide rail front end adjusting device of the present embodiment is mounted on a slide rail 20 as shown in fig. 1 and 2. During specific installation, the plug 15-1 of the left and right adjusting blocks 15 can be inserted into the end insertion hole 21-2, and then pushed inwards to enable the positions of the lock catch 12 and the side connecting hole 21-1 of the movable rail 21 to be opposite, and the lock catch 12 is clamped into the side connecting hole 21-1 under the action of the elastic piece, so that the adjusting device 10 and the sliding rail 20 are connected. During adjustment, the left and right adjusting wheels 14 can be rotated to drive the left and right adjusting blocks 15 to move left and right, so that the left and right positions are adjusted, the height adjusting wheels 16 can be rotated to drive the height adjusting blocks 17 to move, and the relative height is changed by utilizing the inclined plane abutting effect.

According to the front end adjusting device of the sliding rail, the locking mechanism, the left-right adjusting mechanism and the height adjusting mechanism are distributed on the base, the left-right adjusting mechanism adopts the left-right adjusting block which moves in the left-right direction, the plug on the left-right adjusting block is approximately perpendicular to the sliding direction of the locking mechanism, and the height adjusting mechanism adopts the height adjusting block which moves horizontally, so that the structure is simple and compact, and the whole size is small; and the left adjusting wheel and the right adjusting block are matched and connected by adopting a screw nut transmission mechanism, the height adjusting wheel and the height adjusting block are matched by adopting a screw helical gear transmission mechanism, the transmission structure is simple, the assembly and the manufacture are convenient, and the manufacturing cost of the adjusting device is reduced.

The utility model and its embodiments have been described above schematically, without limitation, and the actual construction is not limited to this, as it is shown in the drawings, which are only one of the embodiments of the utility model. Therefore, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical scheme are not creatively devised without departing from the gist of the present utility model, and all the structural manners and the embodiments belong to the protection scope of the present utility model.

Claims (9)

1. A slide rail front end adjusting device, its characterized in that: the novel lock catch comprises a base (11), a lock catch (12), an unlocking button (13), a left-right adjusting wheel (14), a left-right adjusting block (15), a height adjusting wheel (16) and a height adjusting block (17), wherein the lock catch (12) is arranged on the base (11) in a sliding manner along the left-right direction, the unlocking button (13) is rotatably arranged on the base (11), a toggle rod (13-1) for driving the lock catch (12) to move in a telescopic manner is arranged on the unlocking button (13), and an elastic piece (18) for enabling the lock catch (12) to keep a stretching trend is arranged between the lock catch (12) and the base (11) or between the unlocking button (13) and the base (11); the left and right adjusting blocks (15) are movably arranged on the base (11) along the left and right directions, the left and right adjusting wheels (14) are limited in the first mounting groove (11-4) of the base (11), the left and right adjusting wheels (14) are connected with the left and right adjusting blocks (15) in a matched mode through a screw nut transmission mechanism, the left and right adjusting blocks (15) are driven to move along the left and right directions by rotating the left and right adjusting wheels (14), and the left and right adjusting blocks (15) are further provided with plugs (15-1) arranged along the front and rear directions; the height adjusting block (17) is arranged on the base (11) in a sliding mode along the horizontal direction, the height adjusting wheel (16) is rotatably arranged in a second mounting groove (11-5) of the base (11), the height adjusting wheel (16) is matched with the height adjusting block (17) through a screw helical gear transmission mechanism, the height adjusting block (17) is driven to move in the horizontal direction through rotating the height adjusting wheel (16), and the height adjusting block (17) is further provided with an inclined surface (17-3) arranged along the moving direction of the height adjusting block (17).

2. The slide rail front end adjusting device according to claim 1, wherein: the base (11) is provided with a rotating shaft (11-7), and the unlocking button (13) is rotatably arranged on the rotating shaft (11-7) and axially limits the unlocking button (13) through a connecting screw (19); the lock catch (12) is provided with a clamping groove (12-1) for accommodating the toggle rod (13-1).

3. The slide rail front end adjusting device according to claim 2, wherein: the lock catch (12) is slidably arranged in a sliding groove of the base (11), the elastic piece (18) is a compression spring arranged at the tail of the lock catch (12), and the base (11) is provided with a limit column (11-9) for limiting the end part of the compression spring.

4. The slide rail front end adjusting device according to claim 1, wherein: the left and right adjusting block (15) is provided with a screw rod (15-2) arranged along the left and right direction, the inner side of the left and right adjusting wheel (14) is provided with an internal thread (14-1), and the left and right adjusting wheel (14) is connected with the screw rod (15-2) in a threaded manner.

5. The slide rail front end adjustment device according to claim 4, wherein: and a limiting protrusion (11-3) for limiting the moving position of the left and right adjusting blocks (15) is further arranged on the base (11).

6. The slide rail front end adjusting device according to claim 1, wherein: the periphery of the height adjusting wheel (16) is provided with screw teeth (16-1), one side of the height adjusting block (17) is provided with helical teeth (17-4), and the screw teeth (16-1) are meshed with the helical teeth (17-4).

7. The slide rail front end adjustment device according to claim 6, wherein: wheel axle clamping holes (11-6) are formed in the side walls of the two sides of the second mounting groove (11-5), and wheel axles (16-2) at the two ends of the height adjusting wheel (16) are clamped in the corresponding wheel axle clamping holes (11-6) and can rotate freely in the wheel axle clamping holes (11-6).

8. The slide rail front end adjustment device according to claim 6, wherein: the two sides of the height adjusting block (17) are provided with guide sliding tables (17-1) along the moving direction of the height adjusting block (17), and the base (11) is provided with limit buckles (11-2) buckled on the guide sliding tables (17-1) at the corresponding sides; the height adjusting block (17) is also provided with a chute (17-2) extending along the moving direction of the height adjusting block (17), and the base (11) is provided with a guide rib (11-8) which is in sliding fit with the chute (17-2).

9. The slide rail front end adjusting device according to any one of claims 1 to 8, wherein: the base (11) is approximately L-shaped, and the base (11) is also provided with an elastic arm (11-1) which is consistent with the plug (15-1) of the left and right adjusting block (15) in orientation.