CN218127623U

CN218127623U - Drawer locking and adjusting device

Info

Publication number: CN218127623U
Application number: CN202222178146.8U
Authority: CN
Inventors: 吴国杨
Original assignee: Guangdong Aosite Hardware Precision Manufacturing Co ltd
Current assignee: Guangdong Aosite Hardware Precision Manufacturing Co ltd
Priority date: 2022-08-18
Filing date: 2022-08-18
Publication date: 2022-12-27
Anticipated expiration: 2032-08-18

Abstract

A drawer locking and adjusting device comprises a base arranged on a drawer, a lock rod connected with a movable rail in a dismounting mode is arranged on the base, an adjusting mechanism for adjusting the relative positions of the drawer and the movable rail in the left-right direction, the upper-lower direction and the front-back direction is further arranged on the base, the drawer locking and adjusting device specifically comprises a left-right adjusting mechanism, an upper-lower adjusting mechanism and a front-back adjusting mechanism, and the adjusting mechanisms are utilized to enable the drawer to be aligned with an opening of a furniture cabinet barrel or enable different drawers to be aligned. The drawer locking and adjusting device is convenient to assemble and disassemble, and can better prevent the drawer and the rail assembly from falling off and improve the connection stability of the drawer and the rail assembly; meanwhile, the adjusting mechanism is simple in structure and small in size, and can conveniently adjust the drawer in all directions, so that the accuracy and the attractiveness of the drawer installation are guaranteed; the convenience and humanization of operation are improved, and the trouble of adjusting the direction when an operator cannot look directly at the bottom of the drawer is solved.

Description

Drawer locking and adjusting device

Technical Field

The utility model relates to the field of furniture, especially, relate to a device that is used for installing and removing the drawer and carries out position control to the drawer.

Background

Drawers are commonly found in various tables and cabinets for holding articles. In order to overcome the problems that the traditional drawer has large friction, is easy to drop, is difficult to be fully opened and the like, the traditional drawer is mostly arranged on the furniture through a movable sliding rail. The movable sliding rail comprises a fixed rail and a movable rail which move relatively, and the fixed rail and the movable rail are respectively connected with furniture and a drawer. Along with the diversification of furniture design and the improvement of the convenience of cleaning, more and more drawers adopt detachable structures. For example, in the chinese patent publication No. CN102326978B, a connecting seat and a lock bar are mounted on a drawer, and a lock hole is formed in a movable rail, and the lock tongue on the lock bar is fixed to the lock hole to realize assembly and disassembly, but due to the structure of the lock bar and the lock hole, when the pulling force of the outward drawing of the drawer is greater than the elastic force of a torsion spring, the lock bar and the lock hole can easily fall off, so that the drawer falls off; meanwhile, the drawer is also provided with a height adjusting mechanism, but the drawer has poor adjusting precision and is inconvenient to operate, and the requirement for adjusting the position of the drawer cannot be met.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a install and remove stable and can satisfy the drawer locking adjusting device who adjusts needs better to improve the installation quality of the formula drawer of installing and removing, satisfy the use needs better.

Drawer locking adjusting device, including setting up the lockhole on the movable rail, and fixed mounting has a locking lever through the articulated spring element on the base on the drawer, be equipped with the spring bolt that can insert in the lockhole on the locking lever, the spring element drives the spring bolt card to go into the lockhole to the effort of locking lever, still installs the adjustment mechanism who adjusts drawer and movable rail left and right sides, upper and lower, front and back equidirectional relative position on the base.

Furthermore, the bolt is equipped with the locking part towards the outer one side of drawer, and the bolt inclines or the arc setting dorsad to the outer one side of drawer.

Furthermore, the adjusting mechanism comprises a left-right adjusting mechanism for adjusting the left-right relative position of the drawer and the movable rail, an up-down adjusting mechanism for adjusting the up-down relative position, and a front-back adjusting mechanism for adjusting the front-back relative position.

Furthermore, the left and right adjusting mechanism comprises a left and right adjusting seat, a left and right adjusting wheel and a left and right adjusting rod, the left and right adjusting seat is fixedly arranged on the movable rail and is connected with the base in a manner of moving left and right relatively, the left and right adjusting wheel and the left and right adjusting rod are rotatably arranged on the base, and transmission teeth which are meshed with each other are arranged between the end parts of the left and right adjusting wheel and the left and right adjusting rod.

Furthermore, the axes of the left and right adjusting wheels are parallel to the moving direction of the movable rail, and the rotating directions of the left and right adjusting wheels towards the left and right sides are consistent with the left and right moving directions of the drawer.

Furthermore, the up-down adjusting mechanism comprises an up-down adjusting seat which can be horizontally and movably arranged on the base, an up-down adjusting wheel with wheel teeth or threads is further arranged on the base, the part of the up-down adjusting wheel penetrates through the base and is arranged outside the base, the up-down adjusting seat is provided with tooth stripes or threads which are meshed with the up-down adjusting wheel, the up-down adjusting seat is also provided with an adjusting plate which is clamped between the bottom surface of the drawer and the top surface of the movable rail, and the top surface or the bottom surface of the adjusting plate is obliquely arranged.

Furthermore, the axis of the upper and lower adjusting wheels is parallel to the moving direction of the movable rail, and the rotating direction of the upper and lower adjusting wheels towards the upper and lower sides is consistent with the up-down moving direction of the drawer.

Furthermore, the front and rear adjusting mechanism comprises a front fixing seat and a rear fixing seat which are fixedly installed on the base, a front and rear adjusting wheel with wheel teeth or threads is rotatably installed in the front and rear fixing seats, the front and rear adjusting wheel partially penetrates through the front and rear fixing seats and is arranged outside, a front and rear adjusting plate which moves in the front and rear direction of the drawer is further installed on the front and rear fixing seats, the front and rear adjusting plate is provided with tooth stripes or threads which are meshed with the front and rear adjusting wheel, and the front and rear adjusting plate is provided with a baffle plate which is opposite to the end part of the fixed rail.

Furthermore, the axis of the front and back adjusting wheel is parallel to the moving direction of the movable rail, and the part of the front and back adjusting wheel penetrates through the bottom surface of the front and back fixed seat.

Furthermore, or the axial direction of the front and rear adjusting wheels is vertically arranged, and the axial parts of the front and rear adjusting wheels penetrate through the bottom surfaces of the front and rear fixed seats, or the radial parts of the front and rear adjusting wheels penetrate through the left and right side surfaces of the front and rear fixed seats; the parts of the left and right adjusting wheels penetrate through the bottom surface of the base; the local of the up-down regulating wheel passes through the side surfaces of the left side and the right side of the base.

Drawer locking adjusting device, the track subassembly that fixed rail and activity rail are constituteed is equipped with on the cabinet bucket, drawer bottom is then installed drawer locking adjusting device. The base of the drawer locking and adjusting device is provided with a lock rod and an adjusting mechanism capable of adjusting in three directions, a left adjusting wheel and a right adjusting wheel of the left adjusting mechanism, an upper adjusting wheel of the upper adjusting mechanism, a lower adjusting wheel of the lower adjusting mechanism, a front adjusting wheel of the front adjusting mechanism and a rear adjusting wheel of the rear adjusting mechanism are partially protruded out of the bottom surface, and the axes of the three adjusting wheels are parallel. When the drawer is installed, the drawer is inserted into the movable rail along the direction of the movable rail, the lock rod is blocked by the end part of the movable rail to rotate until the lock rod moves to a position opposite to the lock hole on the movable rail, and the lock rod rebounds and drives the lock tongue to be inserted into the lock hole of the movable rail, so that the drawer is installed on the movable rail; if the left, right, up and down, front and back directions of the drawer do not correspond to the opening of the cabinet barrel of the furniture, or the positions of different drawers are not parallel and level, the left and right adjusting wheels, the up and down adjusting wheels or the front and back adjusting wheels can be correspondingly rotated, so that the drawer is aligned with the opening of the cabinet barrel of the furniture, or all the drawers are mutually parallel and level, and the integral aesthetic property of the furniture is improved. The drawer locking and adjusting device is convenient to assemble and disassemble, and can better prevent the drawer and the rail assembly from falling off and improve the connection stability of the drawer and the rail assembly; meanwhile, the adjusting mechanism is simple in structure and small in size, and can conveniently adjust the drawer in all directions, so that the mounting accuracy of the drawer and the level and attractive appearance of all drawers of the furniture are guaranteed; and the rotation directions of the left and right adjusting wheels and the up and down adjusting wheels are respectively consistent with the left and right and up and down adjusting moving directions of the drawer, so that the convenience and the accuracy of the adjustment of an operator are improved, the device is more humanized, and the trouble of the operator on the adjusting direction when the operator cannot look directly at the bottom of the drawer is solved.

Drawings

Fig. 1 and 2 are schematic structural diagrams of different visual directions of the drawer locking adjusting device.

Fig. 3 is an exploded view of the drawer locking adjustment device.

Fig. 4 is a schematic structural view of the left-right adjustment mechanism.

Fig. 5 is a schematic structural view of the up-down adjustment mechanism.

FIG. 6 is a schematic view of the drawer lock adjustment mechanism mounted to a drawer and coupled to a rail assembly.

Fig. 7 is a partial schematic view of the drawer lock adjustment mechanism of fig. 6.

Fig. 8 is a schematic structural view of the relative position of the adjustable drawer and the movable rail.

Fig. 9 is a schematic structural view of adjusting the front-back relative positions of the drawer and the fixed rail.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that, if directional indications (such as upper, lower, left, right, front, back, top, bottom, inner, outer, vertical, horizontal, longitudinal, counterclockwise, clockwise, circumferential, radial, axial … …) are involved in the embodiments of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion condition, etc. under a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are correspondingly changed.

In addition, if there is a description relating to "first" or "second", etc. in the embodiments of the present invention, the description of "first" or "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The utility model provides a drawer locking adjusting device.

The embodiment of the utility model provides an in, drawer locking adjusting device is including setting up lockhole 11 on movable rail 1 and base 2 of fixed mounting on the drawer, and it has the locking lever to articulate through elastic component 4 on the base, is equipped with the spring bolt 31 that can insert in the lockhole on the locking lever, and the elastic component drives the spring bolt card to go into the lockhole to the effort of locking lever, still installs the adjustment mechanism who adjusts drawer and movable rail left and right sides, upper and lower, front and back different direction relative position on the base.

Drawer locking adjusting device, lockhole 11 sets up in the opposite side department of two movable rails 1, base 2 installs in the drawer bottom, is located the department between two movable rails on the locking lever installation base, this drawer locking adjusting device can be hidden better, greatly reduces its maloperation because of accidental collision leads to, also can improve the aesthetic property of drawer. In addition, one side of the lock tongue 31 facing the outside of the drawer is provided with a lock locking part, the lock locking part is in a step shape with a plurality of steps so as to be more conveniently matched and connected with drawers and rail components with different specifications, one side of the lock tongue, which is back to the outside of the drawer, is inclined or arranged in an arc shape, when the drawer is installed, the lock tongue is inserted into the drawer along the direction of the movable rail, one side of the lock tongue, which is back to the outside of the drawer, is blocked by the movable rail so as to drive the lock rod to rotate until the lock rod moves to a position opposite to a lock hole on the movable rail, and the lock rod rebounds under the driving of an elastic part (such as a torsion spring) and enables the lock tongue to be inserted into the lock hole, so that the drawer and the movable rail are relatively fixed; after the drawer installation finishes, when outwards pulling the drawer, the pulling force of applying will drive the locking lever through the base and outwards remove, then the ladder face in the locking lever locking part offsets with the lockhole inner wall on the movable rail, and then drive drawer and movable rail outwards remove, and at this in-process, the locking lever will receive the reaction force that the movable rail brought, this reaction force is the unanimity of the moment of torsion direction and the elastic component that the locking lever brought, thereby can effectively avoid locking lever and lockhole to drop, thereby avoid the drawer to break away from and drop with the movable rail. In addition, the handle 32 is arranged on the lock rod and faces away from one side of the drawer, when the drawer needs to be detached from the movable rail, an operator pulls the handle and enables the lock rod to rotate, and therefore the lock tongue can be rotated out of a lock hole in the movable rail, and the operation is convenient.

The drawer locking and adjusting device is characterized in that the adjusting mechanism comprises a left-right adjusting mechanism for adjusting the left-right relative position of the drawer and the movable rail, an up-down adjusting mechanism for adjusting the up-down relative position, and a front-back adjusting mechanism for adjusting the front-back relative position. The left and right adjusting mechanism comprises a left and right adjusting seat 51, a left and right adjusting wheel 52 and a left and right adjusting rod 53, the left and right adjusting seat is fixedly arranged on the movable rail 1 and is connected with the base 2 in a manner of relatively moving left and right, the left and right adjusting wheel and the left and right adjusting rod are rotatably arranged on the base, transmission teeth 54 which are mutually meshed are arranged between the end parts of the left and right adjusting wheel, the part of the left and right adjusting wheel penetrates through the base and is arranged outside the base, the part of the left and right adjusting wheel can specifically penetrate through the bottom surface of the base, the axial direction of the left and right adjusting rod points to the left and right sides of the drawer, mutually meshed threads are arranged between the left and right adjusting seat, the left and right adjusting seat and the movable rail are relatively fixed, a fixed fork 55 which is mutually clamped with the end part of the movable rail 1 can be specifically arranged on the left and right adjusting seat 51, when the drawer is arranged on the movable rail, the fixed fork is clamped on the movable rail along the direction of the movable rail until a lock tongue of the lock rod is inserted into a lock hole of the movable rail, and the fixed fork is also mutually clamped with the movable rail; simultaneously, elastic component 4 can be from controlling the elastic plate that extends out on the regulation seat 51, when the spring bolt inserts the lockhole of movable rail, leave certain clearance or only be limited to the mutual contact between elastic plate and the handle, and when the drawer inserted the in-process of movable rail and need demolish the drawer and rotate the locking lever in order to drive the spring bolt and withdraw from the lockhole, the handle on the locking lever pressed to the elastic plate and made the elastic plate take place to deform, until the spring bolt is relative with the lockhole or the locking lever leaves the movable rail after, the elastic plate drives handle antiport under the effect of resilience force, thereby make the spring bolt insert the lockhole or the drawer is demolishd the back and resets. If the drawer is arranged behind the movable rail, if the transverse position of the drawer is not proper, if the drawer does not correspond to the opening of a cabinet barrel of furniture in the left-right direction, or the positions of different drawers are not parallel and level, the drawer can shift the part of the left-right adjusting wheel exposed out of the base, and the left-right adjusting wheel drives the left-right adjusting rod to rotate through the transmission gear, so that the left-right adjusting rod and the left-right adjusting seat move relatively through threads, the base is driven to move relative to the left-right adjusting seat, the drawer is driven to move left and right, and the drawer is adjusted to a proper position; the left and right adjusting mechanism can conveniently and quickly realize the transverse adjustment of the drawer, has small volume and simple operation, and can stably and accurately drive the drawer to move through the threads of the worm structure; in addition, in order to further improve the convenience of operation, the axis of the left and right regulating wheel 52 is parallel to the moving direction of the movable rail 1, so that the left and right regulating wheels can rotate towards the left and right sides, and the rotating direction of the left and right regulating wheels towards the left and right sides is consistent with the left and right moving direction of the drawer through the arrangement of the left and right regulating wheels, the transmission gear, the left and right regulating rods and the gear teeth and thread directions on the left and right regulating seats, so that an operator can more clearly and accurately regulate the drawer left and right; at this time, the left and right adjustment wheels and the left and right adjustment rods are axially perpendicular to each other, and bevel gears engaged with each other may be provided at the ends thereof, and the bevel gears are used as transmission teeth, so that motion can be stably and accurately transmitted.

The drawer locking and adjusting device is characterized in that the upper and lower adjusting mechanism comprises an upper and lower adjusting seat 61 which is horizontally movably arranged on the base 2, an upper and lower adjusting wheel 62 with wheel teeth or threads is further arranged on the base, part of the upper and lower adjusting wheel penetrates through the base and is arranged outside the base, part of the upper and lower adjusting wheel can specifically penetrate through the side faces of the left side and the right side of the base, the upper and lower adjusting seat is provided with tooth stripes or threads which are meshed with the upper and lower adjusting wheel, the upper and lower adjusting seat is further provided with an adjusting plate 63 which is clamped between the bottom surface of the drawer and the top surface of the movable rail 1, the top surface or the bottom surface of the adjusting plate is obliquely arranged, when the upper and lower direction of the drawer does not correspond to the opening of the furniture cabinet barrel or the positions of different drawers are not parallel and level, an operator can stir the exposed parts of the upper and lower adjusting wheels to drive the upper and lower adjusting seats to horizontally move, so that the adjusting plates are inserted between the bottom surface of the drawer and the top surface of the movable rail at different depths, and the adjusting plates which are obliquely arranged at different depths have different thicknesses, and therefore, the drawer can be driven to realize the up and down adjustment relative to the movable rail; meanwhile, the axis of the up-down adjusting wheel 62 is parallel to the moving direction of the movable rail 1, so that the up-down adjusting wheel can rotate up and down, and the direction of the up-down adjusting wheel rotating towards the upper side and the lower side is consistent with the direction of the up-down movement of the drawer through the arrangement of the up-down adjusting wheel and the direction of the gear teeth and the rack lines on the up-down adjusting seat, so that the convenience of operation is improved.

The drawer locking and adjusting device comprises a front fixing seat 71 and a rear fixing seat 71 which are fixedly arranged on a base 2, a front adjusting wheel 72 and a rear adjusting wheel 72 with wheel teeth or threads are rotatably arranged in the front fixing seat and the rear fixing seat, the front adjusting wheel and the rear adjusting wheel partially penetrate through the front fixing seat and the rear fixing seat and are arranged outside, a front adjusting plate 73 and a rear adjusting plate 73 which move along the front direction and the rear direction of the drawer are also arranged on the front fixing seat and the rear fixing seat, the front adjusting plate and the rear adjusting plate are provided with tooth stripes or threads which are meshed with the front adjusting wheel and the rear adjusting wheel, the front adjusting plate and the rear adjusting plate are provided with baffle plates 74 which are opposite to the end parts of a fixed rail 8, when the drawer is closed, the baffle plates are tightly abutted against the end parts of the fixed rail, so that the front limiting position and the rear direction are formed, if the depth of the drawer is too large to form a recess, or the depth of the drawer is too small to protrude out of an opening of a furniture cabinet barrel, then an operator can rotate the front adjusting wheel and the front adjusting mechanism and the rear adjusting mechanism can drive the front adjusting mechanism to move to enable the outer side surface of the drawer to be aligned with the opening of the furniture cabinet barrel. The front and rear fixing seats 71 can be integrally arranged on the base 2, and can also be detachably fixed on the base 2 through fixing screws 75; in addition, the front and rear fixing seats 71 can also be provided with a mounting seat 76 which is provided with a cavity and has an opening on one side, and a cover plate 77 which covers the opening of the mounting seat, the front and rear adjusting wheels 72 are arranged in the mounting seat, and the cover plate is provided with an adjusting groove 78 for the local penetration of the front and rear adjusting wheels. In addition, as shown in fig. 1, 2 or 6, the front and rear adjusting wheel 72 may have an axis parallel to the moving direction of the movable rail 1, and a part of the front and rear adjusting wheel passes through the bottom surface of the front and rear fixing base 71, so that the overall arrangement of the drawer locking adjusting device is more compact, and the axis direction of the front and rear adjusting wheel 72 may be set to be perpendicular, and the thickness of the front and rear adjusting wheel is increased, so that an axial part of the front and rear adjusting wheel passes through the bottom surface of the front and rear fixing base 71, or a radial part of the front and rear adjusting wheel passes through the left and right side surfaces of the front and rear fixing base, thereby making the rotating direction of the front and rear adjusting wheel consistent with the moving direction of the front and rear adjusting plate, and improving the operation convenience of an operator.

As shown in fig. 1-9, a rail assembly consisting of a fixed rail and a movable rail is installed on the cabinet barrel 100, and the drawer locking and adjusting device of the present invention is installed at the bottom of the drawer 200. The base of the drawer locking and adjusting device is provided with a lock rod and an adjusting mechanism capable of adjusting in three directions, a left adjusting wheel, a right adjusting wheel, an upper adjusting wheel, a lower adjusting wheel, a front adjusting wheel and a rear adjusting wheel of the left adjusting mechanism, the right adjusting mechanism, the upper adjusting wheel and the lower adjusting mechanism are partially protruded out of the bottom surface, and the axes of the three adjusting wheels are parallel. When the drawer is installed, the drawer is inserted into the movable rail along the direction of the movable rail, the lock rod is blocked by the end part of the movable rail to rotate until the lock rod moves to a position opposite to the lock hole on the movable rail, and the lock rod rebounds and drives the lock tongue to be inserted into the lock hole of the movable rail, so that the drawer is installed on the movable rail; if the left, right, up, down, front and back directions of the drawer do not correspond to the opening of the furniture barrel, the left and right adjusting wheels, the up and down adjusting wheels or the front and back adjusting wheels can be correspondingly rotated, so that the drawer is aligned with the opening of the furniture barrel.

In addition, in view of the inconvenience of observation of the drawer locking and adjusting device arranged at the bottom of the drawer, the axial lines of the left and right adjusting wheels and the up and down adjusting wheels can be set to be parallel to the moving direction of the movable rail, the radial parts of the left and right adjusting wheels protrude out of the bottom surface, and the radial parts of the up and down adjusting wheels protrude out of the left and right side surfaces; simultaneously set up the axis of front and back regulating wheel to the perpendicular, and axial local protrusion in bottom surface or radial local protrusion in side about, make the rotation direction of the bulge of three regulating wheel unanimous with corresponding regulation direction from this, under this condition, the operator can operate and realize the regulation of required direction through touching the regulating wheel, and need not to squat down the health in order to distinguish different regulating wheels through the vision, thereby greatly improve convenient operation nature, also be convenient for lack of operation experience person can operate more accurately.

The above only be the preferred embodiment of the utility model discloses a not consequently restriction the patent scope of the utility model, all be in the utility model discloses a under the design, utilize the equivalent structure transform of what the content of the description and the attached drawing was done, or direct/indirect application all includes in other relevant technical field the utility model discloses a patent protection is within range.

Claims

1. The utility model provides a drawer locking adjusting device, is including setting up lockhole (11) on movable rail (1) and base (2) of fixed mounting on the drawer, and it has the locking lever to articulate through elastic component (4) on the base, is equipped with spring bolt (31) that can insert in the lockhole on the locking lever, and the elastic component drives spring bolt card to go into lockhole, its characterized in that to the effort of locking lever: the base is also provided with an adjusting mechanism for adjusting the relative positions of the drawer and the movable rail in different directions, such as left and right, up and down, front and back.

2. The drawer lock adjustment device of claim 1, wherein: one side of the bolt (31) facing the outside of the drawer is provided with a locking part, and one side of the bolt facing away from the outside of the drawer is inclined or arranged in an arc shape.

3. The drawer lock adjustment device of claim 1, wherein: the adjusting mechanism comprises a left-right adjusting mechanism for adjusting the left-right relative position of the drawer and the movable rail, an up-down adjusting mechanism for adjusting the up-down relative position, and a front-back adjusting mechanism for adjusting the front-back relative position.

4. The drawer locking adjustment device of claim 3, wherein: the left and right adjusting mechanism comprises a left and right adjusting seat (51), a left and right adjusting wheel (52) and a left and right adjusting rod (53), the left and right adjusting seat is fixedly arranged on the movable rail (1) and is connected with the base (2) in a manner of being capable of moving left and right relatively, the left and right adjusting wheel and the left and right adjusting rod are rotatably arranged on the base, transmission teeth (54) which are meshed with each other are arranged between the end parts of the left and right adjusting wheel and the left and right adjusting rod, the local part of the left and right adjusting wheel penetrates through the base and is arranged outside the base, the axial direction of the left and right adjusting rod points to the left and right sides of the drawer, and the left and right adjusting rod and the left and right adjusting seat are provided with meshed threads.

5. The drawer lock adjustment device of claim 4, wherein: the axis of the left and right adjusting wheel (52) is parallel to the moving direction of the movable rail (1), and the rotating direction of the left and right adjusting wheels towards the left and right sides is consistent with the left and right moving direction of the drawer.

6. The drawer locking adjustment device of claim 3, 4 or 5, wherein: the upper and lower adjusting mechanism comprises an upper and lower adjusting seat (61) which can be horizontally movably arranged on the base (2), an upper and lower adjusting wheel (62) with wheel teeth or threads is further arranged on the base, the local part of the upper and lower adjusting wheel penetrates through the base and is arranged outside the base, the upper and lower adjusting seat is provided with tooth stripes or threads which are mutually meshed with the upper and lower adjusting wheel, the upper and lower adjusting seat is further provided with an adjusting plate (63) which is clamped between the bottom surface of the drawer and the top surface of the movable rail (1), and the top surface or the bottom surface of the adjusting plate is obliquely arranged.

7. The drawer locking adjustment device of claim 6, wherein: the axial line of the upper and lower adjusting wheels (62) is parallel to the moving direction of the movable rail (1), and the rotating direction of the upper and lower adjusting wheels towards the upper and lower sides is consistent with the up-down moving direction of the drawer.

8. The drawer locking adjustment device of claim 3, 4 or 5, wherein: the front and rear adjusting mechanism comprises a front fixing seat (71) and a rear fixing seat (71) which are fixedly arranged on the base (2), a front and rear adjusting wheel (72) with wheel teeth or threads is rotatably arranged in the front and rear fixing seats, the front and rear adjusting wheel partially penetrates through the front and rear fixing seats and is arranged outside, a front and rear adjusting plate (73) which moves along the front and rear direction of the drawer is further arranged on the front and rear fixing seats, the front and rear adjusting plate is provided with tooth stripes or threads which are meshed with the front and rear adjusting wheel, and a baffle (74) which is opposite to the end part of the fixed rail (8) is arranged on the front and rear adjusting plate.

9. The drawer lock adjustment device of claim 8, wherein: the axes of the front and rear adjusting wheels (72) are parallel to the moving direction of the movable rail (1), and parts of the front and rear adjusting wheels penetrate through the bottom surface of the front and rear fixed seat (71).

10. The drawer locking adjustment device of claim 6, wherein: the front and back adjusting mechanism comprises a front and back fixed seat (71) fixedly arranged on the base (2), a front and back adjusting wheel (72) with wheel teeth or threads is rotatably arranged in the front and back fixed seat, the front and back adjusting wheel partially penetrates through the front and back fixed seat and is arranged outside, a front and back adjusting plate (73) moving along the front and back direction of the drawer is also arranged on the front and back fixed seat, the front and back adjusting plate is provided with tooth stripes or threads meshed with the front and back adjusting wheel, and the front and back adjusting plate is provided with a baffle plate (74) opposite to the end part of the fixed rail (8); the axial direction of the front and rear adjusting wheel (72) is vertically arranged, and the axial part of the front and rear adjusting wheel penetrates through the bottom surface of the front and rear fixed seat (71), or the radial part of the front and rear adjusting wheel penetrates through the left and right side surfaces of the front and rear fixed seat; the part of the left and right adjusting wheels (52) penetrates through the bottom surface of the base (2); the part of the up-down adjusting wheel (62) passes through the side surfaces of the left side and the right side of the base (2).