CN219521904U - Car door hinge installation positioning fixture - Google Patents

Abstract

The utility model discloses a vehicle door hinge mounting and positioning clamp, which relates to the technical field of vehicle assembly tools and comprises a positioning unit and a driving unit, wherein the driving unit can drive the positioning unit to move along the front-back direction and the left-right direction; the positioning unit comprises two overturning clamping mechanisms, wherein each overturning clamping mechanism comprises a mounting base assembly, a positioning assembly, a pressing arm assembly, a connecting rod and a clamping driving element; the positioning assembly is connected with the right part of the installation base assembly, the clamping driving element is hinged with the upper part of the installation base assembly, the upper part of the pressing arm assembly is hinged with the output shaft of the clamping driving element, the middle part of the pressing arm assembly is fixedly connected with the right part of the connecting rod, and the left part of the connecting rod is hinged with the installation base assembly. The utility model can enable the door hinge to move along the front-back direction and the left-right direction along with the positioning unit, and can ensure the positioning effect on the door hinge.

Description

Car door hinge installation positioning fixture

Technical Field

The utility model relates to an automobile assembly fixture, in particular to a vehicle door hinge installation positioning fixture.

Background

With the development of the automobile industry, the expected value of the appearance and the use comfort of the automobile is higher and higher for the customer, and the unprecedented competition of the automobile industry is also caused. The precision requirements for manufacturing corresponding vehicle body parts are also continuously improved. The automobile door hinge is a connecting part for firmly hanging the automobile door assembly on an automobile body and realizing the function of rotating and opening the automobile door assembly. The door hinge is mounted on the door assembly, and the door hinge must be positioned by means of a mounting positioning fixture to ensure the mounting accuracy. As shown in fig. 1, the door hinge 4 on a certain vehicle type includes a hinge mounting seat 41, a rotating shaft mounting seat 42 and a rotating shaft body 43, the hinge mounting seat 41 is rectangular, a bolt through hole 44 for connecting with the door assembly 3 is provided on the hinge mounting seat 41, the rotating shaft body 43 is rotatably connected with the middle part of the rotating shaft mounting seat 42, the rotating shaft mounting seat 42 is connected with the hinge mounting seat 41, and a limit tail hook 45 is provided on one side of the rotating shaft mounting seat 42 away from the hinge mounting seat 41. The vehicle door hinge is small in size, has no positioning hole and small in positioning area, and needs to ensure the installation angle and the installation precision of the vehicle door hinge, and the existing installation positioning fixture cannot meet the requirements.

CN218061943U discloses a positioning tool for a vehicle door hinge, comprising a first connecting rod, a rotating shaft, a second connecting rod, a pivot, a third connecting rod, a first plunger, a second plunger, a first positioning pin and a second positioning pin, wherein the first connecting rod is rotationally connected with the rotating shaft and can move along the extending direction of the rotating shaft; the second connecting rod is rotationally connected with the first connecting rod through a pivot, and the extending direction of the rotating shaft and the extending direction of the pivot are intersected or different; the third connecting rod is connected with the second connecting rod, and the third connecting rod can slide relative to the second connecting rod; the first plunger and the second plunger are arranged on the first connecting rod or the second connecting rod and elastically push against the first connecting rod and the second connecting rod, and the pivot is positioned between the first plunger and the second plunger; the first locating pin and the second locating pin are arranged on the third connecting rod. The vehicle door hinge positioning tool can improve the assembly precision of the vehicle door hinge, improves the assembly effect of the vehicle door and ensures the tightness of the vehicle door after installation. Needless to say, the solution disclosed in the above patent document is a beneficial attempt in the art, but is not applicable to the door hinge which is small and has no positioning hole.

Disclosure of Invention

In view of the above, an object of the present utility model is to provide a door hinge mounting and positioning jig that can move a door hinge in a front-rear direction and a left-right direction along with a positioning unit, and that can ensure a positioning effect on the door hinge and ensure mounting accuracy of the door hinge.

The utility model relates to a vehicle door hinge installation positioning clamp, which comprises a positioning unit and a driving unit, wherein the driving unit can drive the positioning unit to move along the front-back direction and the left-right direction; the positioning unit comprises two overturning clamping mechanisms, wherein each overturning clamping mechanism comprises a mounting base assembly, a positioning assembly, a pressing arm assembly, a connecting rod and a clamping driving element; the positioning assembly is connected with the right part of the mounting base assembly, the clamping driving element is hinged with the upper part of the mounting base assembly, the upper part of the pressing arm assembly is hinged with the output shaft of the clamping driving element, the middle part of the pressing arm assembly is fixedly connected with the right part of the connecting rod, the left part of the connecting rod is hinged with the mounting base assembly, and a clamping space for positioning a vehicle door hinge is formed between the lower part of the pressing arm assembly and the mounting base; the output shaft of the clamping driving element stretches and contracts to drive the pressing arm assembly to rotate, so that the lower part of the pressing arm assembly is close to or far away from the positioning assembly.

Further, the positioning assembly comprises a rear positioning block, and a hinge positioning hole for inserting a rotating shaft body of the door hinge and a hinge positioning block for propping against the upper outer surface of a limiting tail hook of the door hinge are arranged on the rear positioning block.

Further, locating component still includes preceding locating piece, preceding locating piece is provided with and is used for with the first grip slipper of hinge mount pad complex of door, press arm assembly includes the depression bar, be provided with preceding centre gripping boss on the depression bar, be provided with on the preceding centre gripping boss be used for with hinge mount pad complex second grip slipper, the second grip slipper is located the right side of first grip slipper, and both can carry out centre gripping location to the left and right sides of hinge mount pad respectively.

Further, the pressure lever is further provided with a rear clamping boss, the rear clamping boss is located on the right side of the hinge positioning hole, and the rear clamping boss can compress the rotating shaft body in the hinge positioning hole.

Further, the mounting base assembly includes a base body, an upper hinge seat located at an upper side of the base body, and a right hinge seat located at a right side of the base body.

Further, the mounting base assembly further comprises a rear adapter and a front adapter connected with the base body, the rear adapter and the front adapter are both located on the lower side of the right hinge base, and the rear adapter is located on the rear side of the front adapter.

Further, the driving unit comprises a front driving component, a rear driving component, a left driving mechanism, a right driving mechanism and two mounting brackets which are sequentially arranged from bottom to top, and the two mounting brackets are respectively connected with the two overturning clamping mechanisms.

Further, the front-rear driving assembly comprises a first fixing seat, a first linear driving element, a first mounting plate and two first guide mechanisms; the two first guide mechanisms comprise a first sliding rail and a plurality of first sliding blocks which are in sliding fit with the first sliding rail, and the first sliding rail and the first linear driving element are both fixed on the first fixing seat; the length direction of the first sliding rail and the axial direction of the output shaft of the first linear driving element are along the front-back direction; the first mounting plate is fixedly connected with the left-right driving mechanism, the first sliding block and the output shaft of the first linear driving element at the same time; the output shaft of the first linear driving element stretches and contracts to drive the first mounting plate to move along the front-back direction.

Further, the left-right direction driving assembly comprises a second fixed seat, a second linear driving element, a linkage frame, two second mounting plates and two second guiding mechanisms; the two second guide mechanisms comprise a second sliding rail and two second sliding blocks which are in sliding fit with the second sliding rail, the second sliding rail and the second linear driving element are both fixed on the second fixing seat, and the length direction of the second sliding rail and the axial direction of the output shaft of the second linear driving element are both along the left-right direction; the two second mounting plates are respectively connected with the two mounting brackets, the two second mounting plates are respectively and fixedly connected with the two second sliding blocks, the two second mounting plates are both connected with the linkage frame, and the linkage frame is fixedly connected with the output shaft of the second linear driving element; the output shaft of the second linear driving element stretches and contracts to drive the linkage frame and the two second mounting plates to move in the left-right direction.

Further, the left-right drive assembly further includes a dust cover.

The beneficial effects of the utility model are as follows:

(1) According to the utility model, the clamping space between the lower part of the pressing arm assembly and the mounting base is enlarged, so that the door hinge can be assembled or disassembled, the clamping space between the lower part of the pressing arm assembly and the mounting base is reduced, and the door hinge can be clamped, so that the door hinge moves synchronously along with the positioning unit, and further, the door hinge moves along the front-back direction and the left-right direction under the action of the driving unit;

(2) The utility model can ensure the positioning effect on the door hinge and the mounting precision of the door hinge.

Drawings

In order to make the objects, technical solutions and advantageous effects of the present utility model more clear, the present utility model provides the following drawings for description:

FIG. 1 is a schematic illustration of a door hinge and door assembly connection;

FIG. 2 is a schematic diagram of the structure of the present utility model;

FIG. 3 is a schematic diagram of the flip clamping mechanism of the present utility model;

FIG. 4 is a schematic view of the structure of the rear positioning block of the present utility model;

FIG. 5 is a schematic view of a structure of a door hinge of the present utility model;

FIG. 6 is a schematic view of the front-rear drive assembly of the present utility model;

FIG. 7 is a schematic view of the front-rear drive assembly (with the first mounting plate hidden) of the present utility model;

FIG. 8 is a schematic view of a right-left driving mechanism according to the present utility model;

fig. 9 is a schematic diagram of the structure of the left-right drive mechanism (hidden dust cover) of the present utility model.

The figures are marked as follows:

1-a positioning unit; 11-a mounting base assembly, 111-a base body, 112-an upper hinge seat, 113-a right hinge seat, 114-a rear adapter seat, 115-a front adapter seat; 12-positioning components, 121-rear positioning blocks, 1211-hinge positioning holes, 1212-hinge positioning blocks, 122-front positioning blocks; 13-press arm assembly, 131-press bar, 132-front clamping boss, 133-rear clamping boss; 14-connecting rod, 15-clamping driving element;

a 2-drive unit; 21-a front-rear driving assembly, 211-a first fixing seat, 212-a first linear driving element, 213-a first mounting plate, 214-a first sliding rail, 215-a first sliding block; 22-a left-right driving mechanism, 221-a second fixing seat, 222-a second linear driving element, 223-a linkage frame, 224-a second mounting plate, 225-a second sliding rail, 226-a second sliding block and 227-a dust cover; 23-mounting a bracket;

3-a vehicle door assembly;

4-door hinges, 41-hinge mounting seats, 42-rotating shaft mounting seats, 43-rotating shaft bodies, 44-bolt through holes and 45-limiting tail hooks.

Detailed Description

The technical scheme of the utility model is described in detail below with reference to the accompanying drawings and examples.

As shown in fig. 1 to 9, a positioning fixture for mounting a door hinge in the present embodiment includes a positioning unit 1 and a driving unit 2, where the driving unit 2 can drive the positioning unit 1 to move in a front-rear direction and a left-right direction; the positioning unit 1 comprises two overturning clamping mechanisms, wherein each overturning clamping mechanism comprises a mounting base assembly 11, a positioning assembly 12, a pressing arm assembly 13, a connecting rod 14 and a clamping driving element; the positioning assembly 12 is connected with the right part of the installation base assembly 11, the clamping driving element is hinged with the upper part of the installation base assembly 11, the upper part of the pressing arm assembly 13 is hinged with an output shaft of the clamping driving element, the middle part of the pressing arm assembly 13 is fixedly connected with the right part of the connecting rod 14, the left part of the connecting rod 14 is hinged with the installation base assembly 11, and a clamping space for positioning the door hinge 4 is formed between the lower part of the pressing arm assembly 13 and the installation base; the output shaft of the clamping driving element stretches and contracts to drive the pressing arm assembly 13 to rotate, so that the lower portion of the pressing arm assembly 13 is close to or far away from the positioning assembly 12.

The clamping driving element is a linear cylinder, when the pressing arm assembly 13 rotates, the hinge joint of the connecting rod 14 and the mounting base assembly 11 is used as a rotation center, an output shaft of the clamping driving element stretches, the upper part of the pressing arm assembly 13 moves towards a direction away from the clamping driving element, the connecting rod 14 also rotates clockwise along with the clamping driving element, the clamping driving element and the pressing arm assembly 13 swing, and the lower part of the pressing arm assembly 13 is gradually close to the positioning assembly 12; the output shaft of the clamping driving element is shortened, the upper part of the pressing arm assembly 13 moves towards the direction approaching the clamping driving element, the connecting rod 14 also rotates anticlockwise, the clamping driving element and the pressing arm assembly 13 swing, and the lower part of the pressing arm assembly 13 is gradually far away from the positioning assembly 12. The lower part of the pressing arm assembly 13 is far away from the positioning assembly 12, the clamping space between the lower part of the pressing arm assembly 13 and the mounting base is enlarged, and the door hinge 4 can move, so that the door hinge 4 can be installed or removed; the lower part of the pressing arm assembly 13 is close to the positioning assembly 12, the clamping space between the lower part of the pressing arm assembly 13 and the mounting base is reduced, and the door hinge 4 can be clamped, so that the door hinge 4 can synchronously move along with the positioning unit 1, and further, the door hinge can move along the front-back direction and the left-right direction under the action of the driving unit 2.

When the automobile door hinge device is used, firstly, the output shaft of the clamping driving element is shortened, the lower part of the pressing arm assembly 13 is far away from the positioning assembly 12, the clamping space between the lower part of the pressing arm assembly 13 and the mounting base is enlarged, at the moment, the automobile door hinge 4 is placed in the clamping space, then the output shaft of the clamping driving element is extended, the lower part of the pressing arm assembly 13 is close to the positioning assembly 12, the clamping space between the lower part of the pressing arm assembly 13 and the mounting base is reduced, at the moment, the automobile door hinge 4 is clamped and positioned, then the driving unit 2 drives the positioning unit 1 and the automobile door hinge 4 to move to the automobile door assembly 3, the automobile door hinge 4 is connected with the automobile door assembly 3 through bolts passing through bolt through holes 44 and in threaded connection with the automobile door assembly 3, then, the clamping space between the lower part of the pressing arm assembly 13 and the mounting base is enlarged, the positioning unit 1 is separated from the automobile door hinge 4, and finally the positioning unit 1 is moved to the initial position for next assembling of the automobile door hinge 4.

In this embodiment, the positioning assembly 12 includes a rear positioning block 121, and a hinge positioning hole 1211 for inserting the rotating shaft body 43 of the door hinge 4 and a hinge positioning block 1212 for abutting against the upper outer surface of the limit tail hook 45 of the door hinge 4 are disposed on the rear positioning block 121. In this embodiment, the positioning assembly 12 further includes a front positioning block 122, the front positioning block 122 is provided with a first clamping groove for matching with the hinge mounting seat 41 of the door hinge 4, the press arm assembly 13 includes a press rod 131, a front clamping boss is provided on the press rod 131, a second clamping groove for matching with the hinge mounting seat 41 is provided on the front clamping boss, the second clamping groove is located on the right side of the first clamping groove, and both can respectively clamp and position the left side and the right side of the hinge mounting seat 41. In this embodiment, the pressing rod 131 is further provided with a rear clamping boss, which is located on the right side of the hinge positioning hole 1211, and can press the rotating shaft body 43 into the hinge positioning hole 1211.

The rotating shaft body 43 and the limiting tail hook 45 of the door hinge 4 can be limited through the rear positioning block 121 and the rear holding boss, the door hinge 4 can be prevented from rotating and moving upwards through the cooperation of the rear positioning block 121 and the limiting tail hook 45, the door hinge 4 can be prevented from moving in the up-down direction and the front-back direction through the cooperation of the hinge positioning hole 1211 of the rear positioning block 121 and the rotating shaft body 43, the left end and the right end of the rotating shaft body 43 are respectively clamped through the rear positioning block 121 and the rear holding boss, and the door hinge 4 can be prevented from moving in the left-right direction; the front positioning block 122 and the front clamping boss are engaged with each other, so that the left and right sides of the hinge mount 41 can be clamped, and the hinge mount 41 is prevented from moving in the left-right direction. Through the above positioning, the positioning effect on the door hinge 4 can be ensured, thereby ensuring the mounting accuracy of the door hinge 4.

In this embodiment, the mounting base assembly 11 includes a base body 111, an upper hinge seat 112 located at an upper side of the base body 111, and a right hinge seat 113 located at a right side of the base body 111. The upper hinge seat 112 is for hinge-connecting with the clamping driving element, and the right hinge seat 113 is for hinge-connecting with the connecting rod 14.

In this embodiment, the mounting base assembly 11 further includes a rear adapter 114 and a front adapter 115 connected to the base main body 111, the rear adapter 114 and the front adapter 115 are both located on the lower side of the right hinge base 113, and the rear adapter 114 is located on the rear side of the front adapter 115. The rear adaptor 114 is connected to the rear positioning block 121, and the front adaptor 115 is connected to the front clamping boss.

In this embodiment, the driving unit 2 includes a front-rear driving assembly 21, a left-right driving mechanism 22, and two mounting brackets 23 sequentially disposed from bottom to top, where the two mounting brackets 23 are respectively connected to the two flip-clamping mechanisms. The front-back driving assembly 21 can drive the left-right driving mechanism 22 to move along the front-back direction, and the left-right driving mechanism 22 can drive the two mounting brackets 23 and the two overturning clamping mechanisms to move along the left-right direction, so that the driving unit 2 drives the positioning unit 1 to move along the front-back direction and the left-right direction.

In this embodiment, the front-rear driving assembly 21 includes a first fixing base 211, a first linear driving element 212, a first mounting plate 213, and two first guiding mechanisms; the two first guiding mechanisms comprise a first sliding rail 214 and a plurality of first sliding blocks 215 which are in sliding fit with the first sliding rail 214, and the first sliding rail 214 and the first linear driving element 212 are fixed on the first fixing seat 211; the length direction of the first slide rail 214 and the axis direction of the output shaft of the first linear driving element 212 are along the front-rear direction; the first mounting plate 213 is fixedly connected to the left-right driving mechanism 22, the first slider 215, and the output shaft of the first linear driving element 212; the output shaft of the first linear driving element 212 stretches and contracts to drive the first mounting plate 213 to move in the front-rear direction. The first linear drive element 212 is a linear cylinder. The output shaft of the first linear driving element 212 stretches and contracts to drive the first mounting plate 213 to move in the front-back direction, and the movement of the first mounting plate 213 drives the left-right driving mechanism 22 to move.

In this embodiment, the left-right driving assembly includes a second fixing base 221, a second linear driving element 222, a linkage frame 223, two second mounting plates 224, and two second guiding mechanisms; the two second guiding mechanisms include a second sliding rail 225 and two second sliding blocks 226 slidably engaged with the second sliding rail 225, the second sliding rail 225 and the second linear driving element 222 are both fixed on the second fixing base 221, and the length direction of the second sliding rail 225 and the axial direction of the output shaft of the second linear driving element 222 are both along the left-right direction; the two second mounting plates 224 are respectively connected with the two mounting brackets 23, the two second mounting plates 224 are respectively and fixedly connected with the two second sliding blocks 226, the two second mounting plates 224 are respectively connected with the linkage frame 223, and the linkage frame 223 is fixedly connected with the output shaft of the second linear driving element 222; the output shaft of the second linear driving element 222 stretches and contracts to drive the linkage frame 223 and the two second mounting plates 224 to move in the left-right direction. The second linear drive element 222 is a linear cylinder. The second fixing seat 221 is connected with the first mounting plate 213, the output shaft of the second linear driving element 222 stretches and contracts to drive the linkage frame 223 to move along the left-right direction, the linkage frame 223 moves to drive the two second mounting plates 224 to move along the left-right direction, and the two second mounting plates 224 respectively drive the two mounting brackets 23 to move, so that the two overturning clamping mechanisms are driven to move along the left-right direction.

In this embodiment, the left-right drive assembly further includes a dust cover 227. The dust cover 227 can prevent dust from entering the left-right direction driving assembly, and the dust cover 227 comprises a plurality of plate bodies with lengths along the front-back direction, wherein the plurality of plate bodies respectively cover the upper side, the front side and the rear side of the second fixing seat 221, a yielding through groove is formed between the second mounting plate 224 and the second sliding block 226, and the plate body for covering the upper side of the second fixing seat 221 can penetrate through the yielding through groove between the second mounting plate 224 and the second sliding block 226 so as to avoid interference.

Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered by the scope of the claims of the present utility model.

Claims (10)

1. The utility model provides a door hinge installation positioning fixture which characterized in that: the device comprises a positioning unit (1) and a driving unit (2), wherein the driving unit (2) can drive the positioning unit (1) to move along the front-back direction and the left-right direction; the positioning unit (1) comprises two overturning clamping mechanisms, wherein each overturning clamping mechanism comprises a mounting base assembly (11), a positioning assembly (12), a pressing arm assembly (13), a connecting rod (14) and a clamping driving element; the positioning assembly (12) is connected with the right part of the installation base assembly (11), the clamping driving element is hinged with the upper part of the installation base assembly (11), the upper part of the pressing arm assembly (13) is hinged with the output shaft of the clamping driving element, the middle part of the pressing arm assembly (13) is fixedly connected with the right part of the connecting rod (14), the left part of the connecting rod (14) is hinged with the installation base assembly (11), and a clamping space for positioning the door hinge (4) is formed between the lower part of the pressing arm assembly (13) and the installation base; the output shaft of the clamping driving element stretches and contracts to drive the pressing arm assembly (13) to rotate, so that the lower part of the pressing arm assembly (13) is close to or far away from the positioning assembly (12).

2. The door hinge mounting and positioning fixture of claim 1, wherein: the positioning assembly (12) comprises a rear positioning block (121), and a hinge positioning hole (1211) for inserting a rotating shaft body (43) of the door hinge (4) and a hinge positioning block (1212) for propping against the upper outer surface of a limit tail hook (45) of the door hinge (4) are arranged on the rear positioning block (121).

3. The door hinge mounting and positioning fixture of claim 2, wherein: the positioning assembly (12) further comprises a front positioning block (122), the front positioning block (122) is provided with a first clamping groove matched with a hinge mounting seat (41) of the vehicle door hinge (4), the pressing arm assembly (13) comprises a pressing rod (131), a front clamping boss is arranged on the pressing rod (131), a second clamping groove matched with the hinge mounting seat (41) is arranged on the front clamping boss, the second clamping groove is located on the right side of the first clamping groove, and the two clamping grooves can respectively clamp and position the left side and the right side of the hinge mounting seat (41).

4. A door hinge mounting and locating fixture as defined in claim 3, wherein: the compression bar (131) is further provided with a rear clamping boss, the rear clamping boss is located on the right side of the hinge locating hole (1211), and the rear clamping boss can compress the rotating shaft body (43) in the hinge locating hole (1211).

5. The door hinge mounting and positioning fixture of claim 1, wherein: the mounting base assembly (11) comprises a base body (111), an upper hinge seat (112) located on the upper side of the base body (111), and a right hinge seat (113) located on the right side of the base body (111).

6. The door hinge mounting and positioning fixture as set forth in claim 5, wherein: the mounting base assembly (11) further comprises a rear adapter (114) and a front adapter (115) connected with the base body (111), the rear adapter (114) and the front adapter (115) are both located on the lower side of the right hinge base (113), and the rear adapter (114) is located on the rear side of the front adapter (115).

7. The door hinge mounting and positioning fixture of claim 1, wherein: the driving unit (2) comprises a front-back driving assembly (21), a left-right driving mechanism (22) and two mounting brackets (23) which are sequentially arranged from bottom to top, and the two mounting brackets (23) are respectively connected with the two overturning clamping mechanisms.

8. The door hinge mounting and positioning fixture as set forth in claim 7, wherein: the front-rear direction driving assembly (21) comprises a first fixing seat (211), a first linear driving element (212), a first mounting plate (213) and two first guide mechanisms; the two first guide mechanisms comprise a first sliding rail (214) and a plurality of first sliding blocks (215) which are in sliding fit with the first sliding rail (214), and the first sliding rail (214) and the first linear driving element (212) are fixed on the first fixing seat (211); the length direction of the first slide rail (214) and the axis direction of the output shaft of the first linear driving element (212) are along the front-back direction; the first mounting plate (213) is fixedly connected with the left-right driving mechanism (22), the first sliding block (215) and the output shaft of the first linear driving element (212) at the same time; the output shaft of the first linear driving element (212) stretches and contracts to drive the first mounting plate (213) to move in the front-back direction.

9. The door hinge mounting and positioning fixture as set forth in claim 7, wherein: the left-right direction driving assembly comprises a second fixing seat (221), a second linear driving element (222), a linkage frame (223), two second mounting plates (224) and two second guiding mechanisms; the two second guide mechanisms comprise a second sliding rail (225) and two second sliding blocks (226) which are in sliding fit with the second sliding rail (225), the second sliding rail (225) and the second linear driving element (222) are both fixed on the second fixing seat (221), and the length direction of the second sliding rail (225) and the axial direction of an output shaft of the second linear driving element (222) are both along the left-right direction; the two second mounting plates (224) are respectively connected with the two mounting brackets (23), the two second mounting plates (224) are respectively and fixedly connected with the two second sliding blocks (226), the two second mounting plates (224) are respectively connected with the linkage frame (223), and the linkage frame (223) is fixedly connected with an output shaft of the second linear driving element (222); the output shaft of the second linear driving element (222) stretches and contracts to drive the linkage frame (223) and the two second mounting plates (224) to move along the left-right direction.

10. The door hinge mounting fixture of claim 9, wherein: the left and right drive assembly further includes a dust cover (227).