Door clamping mechanism for mounting of a door hinge of a motor vehicle

Abstract

The application discloses a vehicle door clamping mechanism for vehicle door frame hinge installation and relates to the technical field of vehicle parts. The vehicle door clamping mechanism comprises an installation bottom plate, a plurality of fixing assemblies for stabilizing a vehicle door are arranged around the installation bottom plate, the installation bottom plate is provided with a driving assembly for driving the fixing assemblies to move, one side of the installation bottom plate away from the driving assembly is provided with a fitting assembly for contacting a vehicle door plate, the fitting assembly is provided with a fixing part matched with a driving part, the positioning seat is in the shape of a hook at one end away from the installation cylinder, two separate cavities are arranged at one end of the hydraulic cylinder close to the moving rod, the two separate cavities comprise an input chamber and an output chamber, the hydraulic oil is forced to enter the input chamber first and extrude the push plate in the chamber, the U-shaped plate moves in the direction away from the moving rod, the push plate and the U-shaped plate keep synchronous movement, the moving rod pulls the pull rope close to the installation bottom plate, the positioning seat on the side of the stop rod driven by force is close to the installation bottom plate, so that the positioning seat is more tightly fixed with the vehicle door frame and has higher stability.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of automobile parts, in particular to a vehicle door clamping mechanism for automobile door frame hinge installation. BACKGROUND

[0002] The vehicle door hinge has two basic functions: one is to connect the vehicle door and the vehicle body and ensure and maintain the position of the vehicle door relative to the vehicle body; the second is to ensure and facilitate the opening and closing of the vehicle door. The first basic function of the vehicle door hinge is to connect the vehicle door and the vehicle body and ensure and maintain the position of the vehicle door relative to the vehicle body. This requires that the installation surface between the vehicle door hinge, the vehicle door and the vehicle body must be flat, and if the vehicle door hinge is connected by bolts, the relative size between the bolt installation holes of the vehicle body and the vehicle door must meet the size and be stable. During the installation of the automobile door hinge, the installation hinge is left out to facilitate the installation of the hinge;

[0003] The prior art has the following problems:

[0004] Under the prior art, a vehicle door hinge installation clamping mechanism is disclosed in Chinese patent No. CN110394752A, which comprises a mounting plate, a first clamping assembly, a second clamping assembly, a third clamping assembly and a limiting assembly. The first clamping assembly comprises a first mounting seat and a first clamping device, and the second clamping assembly comprises a second mounting seat and a second clamping device. The mounting plate is close to the vehicle door, the first clamping device is rotated, the first clamping device can clamp one side of the vehicle front door, and the second clamping device and the third clamping device are rotated, the second clamping device and the third clamping device clamp the other side of the vehicle front door, the first clamping device cooperates with the second clamping device and the third clamping device to clamp and fix the vehicle front door from three angles, the limiting assembly limits the distance between the mounting plate and the door on one hand, and the limiting assembly and the door cooperate to make the clamping of the door more stable, facilitating the installation of the hinge. The above-mentioned patent can solve the problem of the auxiliary positioning device being too large and too heavy to a certain extent, but in actual operation, the fixing of the vehicle door only uses multiple hooks, which is not stable enough, and large vehicle doors may have the risk of disengaging the device. Therefore, we propose a vehicle door clamping mechanism for automobile door frame hinge installation to solve the above problems. SUMMARY

[0005] The purpose of the present application is to provide a vehicle door clamping mechanism for automobile door frame hinge installation to solve the problems raised in the background art.

[0006] To achieve the above-mentioned purpose of the application, the technical scheme adopted by the present application is as follows:

[0007] The application provides a vehicle door clamping mechanism for automobile door frame hinge installation, which comprises a mounting bottom plate, a plurality of fixing components for stabilizing the automobile door are arranged around the mounting bottom plate, the mounting bottom plate is provided with a driving component for driving the fixing component to move, one side of the mounting bottom plate away from the driving component is provided with a fitting component for contacting the automobile door plate surface, the fixing component comprises a connecting plate for mounting a plurality of parts, one end of the connecting plate is fixedly connected with the side wall of the mounting bottom plate, the end of the connecting plate away from the mounting bottom plate is fixedly connected with two fixing seats for mounting rotating rods, the two fixing seats are symmetrically distributed along the axis of the connecting plate, the rotating rods penetrate through the two fixing seats and are rotationally connected with the two fixing seats, the rotating rods are sleeved with limiting rings at both ends for preventing the rotating rods from being separated from the fixing seats, one side of the limiting rings close to the connecting plate is slidably connected with the fixing seat, the surface of the rotating rod is sleeved with a mounting cylinder for fixing the positioning seat, the mounting cylinder is rotationally connected with the outer wall of the rotating rod, one side of the mounting cylinder is fixedly connected with the positioning seat, one end of the positioning seat away from the mounting cylinder is in the shape of a hook, the hook end of the positioning seat is in contact with the side wall of the automobile door plate surface, and the other end of the positioning seat is connected with the driving component.

[0008] Preferably, one side of the positioning seat away from the mounting bottom plate is provided with a connecting groove for connecting the driving component, the blocking rod is arranged in the connecting groove and is slidably connected with the connecting groove, and two ends of the blocking rod are fixedly connected with pull lines for fixing the connecting cylinder, and the two pull lines are symmetrically distributed along the axis of the blocking rod.

[0009] Preferably, the driving component comprises a blocking rod for connecting the positioning seat, one end of the mounting bottom plate close to the blocking rod is provided with a communication window for facilitating the pull line to pass through, the pull line is slidably connected with the inner wall of the communication window, and one end of the pull line away from the blocking rod is fixedly connected with the connecting cylinder.

[0010] Preferably, one end of the connecting cylinder away from the pull line is fixedly connected with a movement rod for connecting a hydraulic cylinder, the surface of the hydraulic cylinder is sleeved with a fixing ring for stabilizing the hydraulic cylinder, and one side of the fixing ring is fixedly connected with the mounting bottom plate.

[0011] Preferably, two cavities, including an input chamber and an output chamber, are arranged at one end of the hydraulic cylinder close to the movement rod, the movement rod is arranged in the output chamber and is slidably connected with the inner wall of the hydraulic cylinder, and the inner part of one end of the hydraulic cylinder away from the movement rod is provided with a U-shaped frame for fixing two push plates, and the two ends of the U-shaped frame are fixedly connected with the push plates.

[0012] Preferably, the push plates are symmetrically distributed along the axis of the hydraulic cylinder, the two push plates are arranged in the output chamber and the input chamber respectively and are slidably connected with the inner wall of the chambers, the push plate in the output chamber is fixedly connected with the movement rod, and the surface of the U-shaped frame is sleeved with a reset spring for driving the push plate to return to the original position.

[0013] Preferably, one end of the reset spring is in contact with the bottom of the inner cavity of the hydraulic cylinder, the other end of the reset spring is in contact with the push plate, the side of the hydraulic cylinder close to the input chamber is fixedly connected with a hydraulic hose for communicating with the storage cylinder, one end of the hydraulic hose away from the hydraulic cylinder is fixedly connected with the storage cylinder, the storage cylinder and the input chamber are communicated, and one end of the storage cylinder is fixedly connected with the mounting bottom plate.

[0014] Preferably, an inner thread for connecting the drive roller is formed in the inner wall of the end of the storage cylinder away from the mounting bottom plate, the drive roller is arranged in the storage cylinder, an outer thread matched with the inner thread is formed in the end of the drive roller close to the storage cylinder, the drive roller is threadedly connected with the storage cylinder, and a handle for facilitating a user to rotate the handle is fixedly connected to the end of the drive roller away from the storage cylinder.

[0015] Preferably, the fitting assembly comprises a connecting rod for connecting the drive roller, one end of the connecting rod is fixedly connected with the end of the drive roller in the storage cylinder, and the end of the connecting rod away from the drive roller extends through the mounting bottom plate to the bottom.

[0016] Preferably, a fixing plate is fixedly connected to the end of the connecting rod away from the drive roller, a mounting groove for mounting a positioning pad is formed in the side of the fixing plate away from the connecting rod, the positioning pad is fixedly connected with the groove wall, and the positioning pad is made of flexible rubber material.

[0017] Compared with the prior art, the above one or more technical solutions have the following beneficial effects:

[0018] The fixing member cooperates with the driving member, the end of the positioning seat away from the mounting cylinder is in the form of a hook, the side of the positioning seat away from the mounting bottom plate is provided with a connecting groove for connecting the driving assembly, the end of the hydraulic cylinder close to the moving rod is provided with two separate cavities, including an input chamber and an output chamber, the moving rod is arranged in the output chamber and is in sliding connection with the inner wall of the hydraulic cylinder, the end of the hydraulic cylinder away from the moving rod is internally provided with a U-shaped frame for fixing the two push plates, the hydraulic oil is forced to enter the input chamber first and extrude the push plates in the chamber, the U-shaped plate moves away from the moving rod, and drives the push plate in the output chamber to move synchronously, at the same time, the moving rod pulls the drawstring close to the mounting bottom plate, the drawstring is forced to pull the blocking rod close to the mounting bottom plate, the blocking rod is forced to drive the positioning seat on one side to move close to the mounting bottom plate, so that the positioning seat is more fixed with the automobile door frame and is not easy to fall off, and has higher stability. BRIEF DESCRIPTION OF DRAWINGS

[0019] The drawings accompanying the specification constitute part of this application and illustrate an exemplary embodiment of the application and the description thereof, and together with the description, serve to explain the principles of the application.

[0020] Figure 1It is the overall structure schematic diagram of the present application.

[0021] Figure 2 It is the assembly structure schematic diagram of the present application.

[0022] Figure 3 It is the assembly structure schematic diagram of the present application. Figure 2 It is the enlarged structure schematic diagram of B in the figure.

[0023] Figure 4 It is the assembly structure schematic diagram of the present application. Figure 1 It is the enlarged structure schematic diagram of A in the figure.

[0024] Figure 5 It is the internal structure sectional view of the hydraulic cylinder of the present application.

[0025] Figure 6 It is the assembly structure schematic diagram of the present application.

[0026] Figure 7 It is the assembly structure schematic diagram of the present application.

[0027] In the figure:

[0028] 1, mounting base plate; 2, fixed assembly; 21, connecting plate; 22, fixed seat; 23, rotating rod; 24, limiting ring; 25, mounting cylinder; 26, positioning seat; 27, connecting groove; 3, driving assembly; 31, blocking rod; 32, pull wire; 33, communication window; 34, connecting cylinder; 35, moving rod; 36, hydraulic cylinder; 361, fixed ring; 37, output chamber; 38, input chamber; 39, U-shaped frame; 391, push plate; 392, reset spring; 393, hydraulic hose; 394, storage cylinder; 395, internal thread; 396, driving roller; 397, external thread; 398, handle; 4, assembly assembly; 41, connecting rod; 42, fixed plate; 43, mounting groove; 44, positioning pad. DETAILED DESCRIPTION

[0029] In order to make the person skilled in the art better understand the scheme of the present application, the technical scheme in the embodiments of the present application will be described clearly and completely below in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by the person skilled in the art without creative labor should belong to the protection scope of the present application.

[0030] Please refer to Figures 1-7 The present application provides a door clamping mechanism for automobile door frame hinge installation, which comprises a mounting base plate 1, and please refer to Figure 1 and Figure 2As shown, a plurality of fixing assemblies 2 for stabilizing the automobile door are arranged around the mounting base plate 1, the mounting base plate 1 is provided with a driving assembly 3 for driving the fixing assembly 2 to move, and the side of the mounting base plate 1 away from the driving assembly 3 is provided with a fitting assembly 4 for contacting the surface of the automobile door panel, and the plurality of assemblies cooperate to improve the stability of the fixed automobile door.

[0031] In order to connect the device with the automobile door, please refer to Figure 3 As shown, a plurality of fixing assemblies 2 for stabilizing the automobile door are arranged around the mounting base plate 1, the mounting base plate 1 is provided with a driving assembly 3 for driving the fixing assembly 2 to move, and the side of the mounting base plate 1 away from the driving assembly 3 is provided with a fitting assembly 4 for contacting the surface of the automobile door panel, and the plurality of assemblies cooperate to improve the stability of the fixed automobile door.

[0032] In order to connect the device with the automobile door, please refer to Figure 4 and Figure 5As shown, the drive assembly 3 is provided with a stop bar 31 for connecting the positioning seat 26, the stop bar 31 is placed in the connecting groove 27 and is in sliding connection with the connecting groove 27, the two ends of the stop bar 31 are fixedly connected with the pull wire 32 for fixedly connecting the connecting barrel 34, the two ends of the pull wire 32 are symmetrically distributed along the axis of the stop bar 31, the end of the mounting bottom plate 1 close to the stop bar 31 is provided with a communication window 33 for facilitating the pull wire 32 to pass through, the pull wire 32 is in sliding connection with the inner wall of the communication window 33, the end of the pull wire 32 away from the stop bar 31 is fixedly connected with the connecting barrel 34, the end of the connecting barrel 34 away from the pull wire 32 is fixedly connected with the movement rod 35 for connecting the hydraulic cylinder 36, the surface of the hydraulic cylinder 36 is sleeved with a fixing ring 361 for stabilizing itself, one side of the fixing ring 361 is fixedly connected with the mounting bottom plate 1, the end of the hydraulic cylinder 36 close to the movement rod 35 is provided with two separate cavities, including an input chamber 38 and an output chamber 37, the movement rod 35 is placed in the output chamber 37 and is in sliding connection with the inner wall of the hydraulic cylinder 36, the inside of the end of the hydraulic cylinder 36 away from the movement rod 35 is provided with a U-shaped frame 39 for fixing two push plates 391, the two ends of the U-shaped frame 39 are fixedly connected with the push plates 391, the push plates 391 are symmetrically distributed along the axis of the hydraulic cylinder 36, the two push plates 391 are respectively arranged in the output chamber 37 and the input chamber 38 and are in sliding connection with the inner wall of the chamber, the push plate 391 in the output chamber 37 is fixedly connected with the movement rod 35, the surface of the U-shaped frame 39 is sleeved with a return spring 392 for driving the push plate 391 to return to the original position, one end of the return spring 392 is in contact with the bottom of the inner cavity of the hydraulic cylinder 36, the other end of the return spring 392 is in contact with the push plate 391, one side of the hydraulic cylinder 36 close to the input chamber 38 is fixedly connected with a hydraulic hose 393 for communicating with a storage cylinder 394, one end of the hydraulic hose 393 away from the hydraulic cylinder 36 is fixedly connected with the storage cylinder 394, the storage cylinder 394 communicates with the input chamber 38, one end of the storage cylinder 394 is fixedly connected with the mounting bottom plate 1, the inner wall of the end of the storage cylinder 394 away from the mounting bottom plate 1 is provided with an internal thread 395 for connecting a drive roller 396, the drive roller 396 is placed in the storage cylinder 394, and the end of the drive roller 396 close to the storage cylinder 394 is provided with an external thread 397 matched with the internal thread 395, the drive roller 396 is in threaded connection with the storage cylinder 394, the end of the drive roller 396 away from the storage cylinder 394 is fixedly connected with a handle 398 for facilitating a user to rotate the handle 398, rotating the handle 398 drives the drive roller 396 at the bottom to rotate around its axis, the drive roller 396 rotates and drives itself to move downward into the storage cylinder 394, the storage cylinder 394 is provided with hydraulic oil, the hydraulic oil enters into the plurality of hydraulic cylinders 36 through the hydraulic hose 393 around the storage cylinder 394 under the extrusion of the drive roller 396, the hydraulic oil will first enter into the input chamber 38 and extrude the push plate 391 in the chamber, the push plate 391 in the input chamber 38 extrudes the U-shaped frame 39 at the bottom under the force, the U-shaped plate moves away from the movement rod 35, and drives the push plate 391 in the output chamber 37 to move synchronously with the U-shaped plate,The push plate 391 in the output chamber 37 moves and drives the movement rod 35 to move synchronously, the movement rod 35 pulls the pull rope to be close to the mounting bottom plate 1, the pull rope pulls the blocking rod 31 to be close to the mounting bottom plate 1 under the force, the blocking rod 31 drives the positioning seat 26 on one side to be close to the mounting bottom plate 1 under the force, the head of the positioning seat 26 is a hook structure, so that the positioning seat 26 is fixed more closely with the automobile door frame.

[0033] In order to further stabilize the whole device, please refer to Figure 6 and Figure 7 As shown, a connecting rod 41 for connecting the drive roller 396 is arranged in the fitting assembly 4, one end of the connecting rod 41 is fixedly connected with one end of the drive roller 396 in the storage cylinder 394, the end of the connecting rod 41 away from the drive roller 396 extends to the bottom through the mounting bottom plate 1, the end of the connecting rod 41 away from the drive roller 396 is fixedly connected with a fixed plate 42, one side of the fixed plate 42 away from the connecting rod 41 is provided with a mounting groove 43 for mounting a positioning pad 44, the positioning pad 44 is fixedly connected with the groove wall of the mounting groove 43, the positioning pad 44 is made of flexible rubber material, during the movement of the knob 398, the connecting rod 41 at the bottom of the drive roller 396 moves synchronously downward with the drive roller 396, so that the fixed plate 42 at the bottom of the connecting rod 41 is close to the middle of the door, the positioning pad 44 on the surface of the fixed plate 42 is in contact with the middle of the door for fixation, and the surrounding fixing pieces further stabilize the door.

[0034] Working principle

[0035] In actual use, the bottom of the installation base plate 1 is fixedly connected with the trolley through bolts, the whole device is close to the vehicle door, the installation base plate 1 is close to the vehicle door, the multiple positioning seats 26 around are close to the edge of the door frame, the positioning seat 26 is rotated, the positioning seat 26 rotates around the axis of the installation cylinder 25, the positioning seat 26 is in contact with the side edge of the door frame, the positioning seat 26 is fixedly connected with the door frame, the blocking rod 31 is moved into the connecting groove 27, the handle 398 is rotated, the handle 398 drives the bottom driving roller 396 to rotate around its axis, the driving roller 396 rotates and drives itself to move downward into the storage cylinder 394, the storage cylinder 394 is provided with hydraulic oil, the hydraulic oil enters the multiple hydraulic cylinders 36 through the hydraulic hoses 393 around the storage cylinder 394 under the extrusion of the driving roller 396, the hydraulic oil enters the input chamber 38 first and extrudes the push plate 391 in the chamber, the push plate 391 in the input chamber 38 is stressed to extrude the U-shaped frame 39 at the bottom, the U-shaped plate moves away from the moving rod 35, and the push plate 391 in the output chamber 37 is driven to move synchronously with the U-shaped plate, the push plate 391 in the output chamber 37 moves and drives the moving rod 35 to move synchronously with itself, the moving rod 35 pulls the drawstring close to the installation base plate 1, the drawstring is stressed to pull the blocking rod 31 close to the installation base plate 1, the blocking rod 31 is stressed to drive the positioning seat 26 on one side to move close to the installation base plate 1, the head of the positioning seat 26 is a hook structure, so that the positioning seat 26 is fixed more tightly with the vehicle door frame and will not fall off, and has higher stability, during the rotation of the handle 398, the connecting rod 41 at the bottom of the driving roller 396 moves downward synchronously with the driving roller 396, so that the fixed plate 42 at the bottom of the connecting rod 41 is close to the middle of the vehicle door, the positioning pad 44 on the surface of the fixed plate 42 is in contact with the middle of the vehicle door to be fixed, and the surrounding fixing pieces further stabilize the vehicle door, the trolley is moved again, the vehicle door is close to the door frame, and subsequent hinge installation is facilitated.

[0036] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited thereto, any person skilled in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A door clamping mechanism for hinge mounting of an automobile door, characterized by, The application relates to a door frame fixing device for a car, which comprises a mounting base plate (1) provided with a plurality of fixing assemblies (2) for stabilizing the door frame of the car, a driving assembly (3) for driving the fixing assemblies (2) to move, and a fitting assembly (4) provided on the side of the mounting base plate (1) away from the driving assembly (3) and used for contacting the door panel of the car. The fixing assembly (2) comprises a connecting plate (21) for mounting a plurality of parts, one end of the connecting plate (21) is fixedly connected with the side wall of the mounting base plate (1), and the other end of the connecting plate (21) is fixedly connected with two fixing seats (22) for mounting rotating rods (23); the two fixing seats (22) are symmetrically distributed along the axis of the connecting plate (21); the rotating rod (23) penetrates through the two fixing seats (22) and is rotationally connected with the two fixing seats (22); limiting rings (24) are sleeved on the two ends of the rotating rod (23) and used for preventing the rotating rod (23) from being separated from the fixing seats (22); the limiting rings (24) are slidably connected with the fixing seats (22) on the side close to the connecting plate (21); the surface of the rotating rod (23) is sleeved with a mounting cylinder (25) for fixing a positioning seat (26); the mounting cylinder (25) is rotationally connected with the outer wall of the rotating rod (23); one side of the mounting cylinder (25) is fixedly connected with the positioning seat (26); the other end of the positioning seat (26) away from the mounting cylinder (25) is in the shape of a hook; the hook end of the positioning seat (26) is in contact with the side wall of the door panel of the car; the other end of the positioning seat (26) is connected with the driving assembly (3). The side of the positioning seat (26) away from the mounting base plate (1) is provided with a connecting groove (27) for connecting the driving assembly (3); the driving assembly (3) comprises a blocking rod (31) for connecting the positioning seat (26); the blocking rod (31) is arranged in the connecting groove (27) and is slidably connected with the connecting groove (27); the two ends of the blocking rod (31) are fixedly connected with pull wires (32) for fixing connecting cylinders (34); the two pull wires (32) are symmetrically distributed along the axis of the blocking rod (31). The end of the mounting base plate (1) close to the blocking rod (31) is provided with a communication window (33) for facilitating the pull wires (32) to pass through; the pull wires (32) are slidably connected with the inner wall of the communication window (33); the other end of the pull wire (32) away from the blocking rod (31) is fixedly connected with the connecting cylinder (34); the other end of the connecting cylinder (34) away from the pull wire (32) is fixedly connected with a moving rod (35) for connecting a hydraulic cylinder (36). The fitting assembly (4) comprises a connecting rod (41) for connecting a driving roller (396); one end of the connecting rod (41) is fixedly connected with the driving roller (396) in a storage cylinder (394); the other end of the connecting rod (41) away from the driving roller (396) extends through the mounting base plate (1) and reaches the bottom of the door panel.

2. The door clamping mechanism for automobile door hinge mounting according to claim 1, characterized by The hydraulic cylinder (36) is sleeved with a fixing ring (361) for stabilizing itself, one side of the fixing ring (361) is fixedly connected with the connecting plate (21), and the hydraulic cylinder (36) is provided with two compartments including an input chamber (38) and an output chamber (37) at one end close to the moving rod (35).

3. The door clamping mechanism for automobile door hinge mounting according to claim 2, characterized in that, The moving rod (35) is arranged in the output chamber (37) and is in sliding connection with the inner wall of the hydraulic cylinder (36), and the hydraulic cylinder (36) is internally provided with a U-shaped frame (39) for fixing two push plates (391) at one end away from the moving rod (35).

4. The door clamping mechanism for automobile door hinge mounting according to claim 3, characterized in that, The two push plates (391) are symmetrically distributed along the axis of the hydraulic cylinder (36), and the two push plates (391) are arranged in the output chamber (37) and the input chamber (38) respectively and are in sliding connection with the inner walls of the chambers, the push plate (391) in the output chamber (37) is fixedly connected with the moving rod (35), and the surface of the U-shaped frame (39) is sleeved with a reset spring (392) for driving the push plate (391) to return to the original position.

5. The door clamping mechanism for a hinge mounting of an automobile door frame according to claim 4, characterized in that, One end of the reset spring (392) is in contact with the bottom of the inner cavity of the hydraulic cylinder (36), the other end of the reset spring (392) is in contact with the push plate (391), one side of the hydraulic cylinder (36) close to the input chamber (38) is fixedly connected with a hydraulic hose (393) for communicating with a storage cylinder (394), one end of the hydraulic hose (393) away from the hydraulic cylinder (36) is fixedly connected with the storage cylinder (394), the storage cylinder (394) is in communication with the input chamber (38), and one end of the storage cylinder (394) is fixedly connected with the mounting bottom plate (1).

6. The door clamping mechanism for a hinge mounting of an automobile door frame according to claim 5, characterized in that, The inner wall of one end of the storage cylinder (394) away from the mounting bottom plate (1) is provided with an internal thread (395) for connecting a driving roller (396), the driving roller (396) is arranged in the storage cylinder (394), and one end of the driving roller (396) close to the storage cylinder (394) is provided with an external thread (397) matched with the internal thread (395), the driving roller (396) is in threaded connection with the storage cylinder (394), and one end of the driving roller (396) away from the storage cylinder (394) is fixedly connected with a handle (398) convenient for a user to rotate.

7. The door clamping mechanism for automobile door hinge mounting according to claim 1, characterized by One end of the connecting rod (41) away from the driving roller (396) is fixedly connected with a fixing plate (42), one side of the fixing plate (42) away from the connecting rod (41) is provided with a mounting groove (43) for mounting a positioning pad (44), the positioning pad (44) is fixedly connected with the groove wall of the mounting groove (43), and the positioning pad (44) is made of flexible rubber material.

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