CN210235063U

CN210235063U - Tear a dolly open

Info

Publication number: CN210235063U
Application number: CN201921301568.1U
Authority: CN
Inventors: Jing Lyu; 吕静
Original assignee: Yantai Zhongzheng Precision Mould Co Ltd
Current assignee: Yantai Zhongzheng Precision Mould Co Ltd
Priority date: 2019-08-09
Filing date: 2019-08-09
Publication date: 2020-04-03
Anticipated expiration: 2029-08-09

Abstract

The utility model provides a tear a dolly open, includes automobile body and support frame, and the automobile body includes horizontal stand and vertical frame, install two at least first clamping jaws on the support frame, first clamping jaw is located the horizontal stand directly over, the second clamping jaw is installed to the upper end of support frame, rotates on the support frame to be connected with the control lead screw, is equipped with two sections on the control lead screw and revolves to opposite screw thread, first clamping jaw and control lead screw threaded connection, and first clamping jaw divide into two sets ofly, and two sets of first clamping jaws are revolved to opposite two sections screw threads with the control lead screw respectively and are linked to each other. The control lead screw is rotated to operating personnel, the electronic first clamping jaw motion of control lead screw, and two sets of first clamping jaws are in opposite directions or back-to-back motion to carry out the centre gripping to the door of equidimension not fixed. The first clamping jaw supports the lower end of the vehicle door, the second clamping jaw is clamped at the upper end of the vehicle door, and the first clamping jaw and the second clamping jaw are matched with each other to disassemble the vehicle door. Through the setting of control lead screw, the clearance between two sets of first clamping jaws is adjustable to can dismantle the door of unidimensional not, application scope is great.

Description

Tear a dolly open

Technical Field

The utility model relates to the field of automobiles, in particular to tear a dolly open.

Background

With the rapid development of economy and road traffic in China, the number of private cars is greatly increased. It is often necessary to install and remove vehicle doors in trial-and-error test shops, car repair shops, and the like.

Chinese patent No. CN205237444U discloses an auxiliary device for dismounting a door of an automobile, which comprises a base, a column, a lifting device, a first clamping mechanism for clamping the upper end of the door, and a second clamping mechanism for clamping the lower end of the door; the lifting device is installed on the base, the second clamping mechanism is installed on the lifting device, the lower end of the stand column is installed on the base, and the first clamping mechanism is installed at the upper end of the stand column. When the door is disassembled and assembled, the lower end of the door is fixed through the second clamping mechanism, the height of the door is adjusted through the lifting device, the upper end of the door is fixed through the first clamping mechanism, the fixation of the door is realized, the lifting, the disassembling and the assembling operation of the door can be realized only through one person, the work efficiency is improved, the labor intensity of personnel for disassembling and assembling the door is reduced, and the device is simple in structure and low in manufacturing cost. The lifting devices are a plurality of groups which can independently control the lifting, and the adjustment of the inclination of the car door can be realized.

When the device is used, the lower end of the car door is embedded in the second clamping mechanism, the device is provided with the two second clamping mechanisms for ensuring the stability of the car door, the distance between the two second clamping mechanisms is fixed, when the car doors of different models and sizes are disassembled, the clamping mechanisms are difficult to be matched with the car doors of different sizes, and therefore the application range of the device is small.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a tear a dolly open has the great advantage of application scope.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the utility model provides a tear a dolly open, includes automobile body and support frame, and the automobile body includes horizontal stand and vertical frame, install two at least first clamping jaws on the support frame, first clamping jaw is located the horizontal stand directly over, the second clamping jaw is installed to the upper end of support frame, it is connected with the control lead screw to rotate on the support frame, be equipped with two sections screw threads opposite to revolve on the control lead screw, first clamping jaw and control lead screw threaded connection, first clamping jaw divide into two sets ofly, and two sets of first clamping jaws are continuous with two sections screw threads opposite to revolve on the control lead screw respectively.

Through adopting above-mentioned technical scheme, to the door of variation in size, operating personnel rotates the control lead screw, and the electronic first clamping jaw motion of control lead screw, two sets of first clamping jaws are in opposite directions or back of the body motion mutually to adjust the interval between the first clamping jaw, carry out the centre gripping to the door of unidimensional not fixed. The first clamping jaw supports the lower end of the vehicle door, the second clamping jaw is clamped at the upper end of the vehicle door, and the first clamping jaw and the second clamping jaw are matched with each other to disassemble the vehicle door. Through the setting of control lead screw, the clearance between two sets of first clamping jaws is adjustable to can dismantle the door of unidimensional not, application scope is great.

Furthermore, a positioning clamping jaw is fixed on the support frame, a rotating hole is formed in the positioning clamping jaw, the control screw penetrates through the rotating hole and is rotatably connected with the rotating hole, and the positioning clamping jaw is located in the middle of the control screw.

Through adopting above-mentioned technical scheme, the location clamping jaw is located the centre department of control lead screw all the time, and two sets of first clamping jaws are located the both sides of locating your clamping jaw, and both mutually support the door, and stability is stronger.

Further, the support frame includes montant and chassis, the montant includes upper boom, outer pole and lower beam, outer pole cavity and both ends opening, and upper boom and lower beam are located the both ends of outer pole and sliding connection in the outer pole, and the outer pole links to each other with vertical frame is fixed, and the lower extreme of lower beam stretches out the outer pole and links to each other with the chassis, first clamping jaw is installed on the chassis, the upper end of upper boom stretches out the outer pole and links to each other with the second clamping jaw.

Through adopting above-mentioned technical scheme, the upper boom slides from top to bottom with the lower beam and drives first clamping jaw and second clamping jaw up-and-down motion to can carry out the centre gripping to the door of co-altitude not fixed, application scope is great.

Furthermore, the upper rod and the lower rod are arranged in a hollow mode, the outer rod is connected with a clamping screw rod in a transfer mode, the upper end of the clamping screw rod is arranged in the upper rod in a penetrating mode, the lower end of the clamping screw rod is arranged in the lower rod in a penetrating mode, and two sections of threads with opposite rotation directions are arranged on the clamping screw rod and are connected with the upper rod and the lower rod respectively.

Through adopting above-mentioned technical scheme, press from both sides tight lead screw and rotate, drive upper boom and lower beam in opposite directions or back of the body motion to press from both sides tight or relax the door, convenient to use.

Furthermore, the upper end of support frame even has the crossbeam of level setting, the crossbeam includes girder and sliding beam, the sliding beam cavity sets up, girder one end links to each other with the support frame is fixed, and the other end is inserted and is located in the sliding beam, the one end that the support frame was kept away from to the sliding beam links to each other with the second clamping jaw.

Through adopting above-mentioned technical scheme, the girder slip can be followed to the slip roof beam to change the position of second clamping jaw horizontal direction, in order to adapt to the user demand of different doors, increase the application scope of this device.

Furthermore, a locking hole is formed in the sliding beam, a positioning pin penetrates through the locking hole, and a plurality of positioning holes which are matched with the positioning pin and distributed in a strip shape are formed in the main beam.

By adopting the technical scheme, the sliding beam slides along the main beam to adjust the length of the cross beam, after the sliding beam stretches to the corresponding position, the positioning hole is opposite to the locking hole, and an operator inserts the positioning pin into the positioning hole and the locking hole, so that the sliding beam is fixedly connected with the main beam.

Furthermore, a plurality of universal wheels are installed at the bottom of the horizontal frame.

Through adopting above-mentioned technical scheme, tear a dolly accessible universal wheel open and remove the turnover on subaerial, convenient transportation.

Furthermore, a handle is arranged on one surface, away from the first clamping jaw, of the vertical frame.

Through adopting above-mentioned technical scheme, operating personnel pushes away through the handle and tears a dolly motion open, convenient to use.

To sum up, the utility model discloses following beneficial effect has:

1. by controlling the arrangement of the screw rod, the gap between the two groups of first clamping jaws can be adjusted, so that the vehicle doors with different sizes can be disassembled, and the application range is wide;

2. through the setting of upper boom, lower beam and outer pole, upper boom and lower beam slide from top to bottom and drive first clamping jaw and second clamping jaw up-and-down motion to can carry out the centre gripping to the door of co-altitude not fixed, application scope is great.

Drawings

FIG. 1 is a schematic structural view of an embodiment;

FIG. 2 is a schematic cross-sectional view of an embodiment;

FIG. 3 is a schematic structural view of a cross member in the embodiment.

In the figure, 1, a vehicle body; 11. a horizontal frame; 12. a vertical frame; 13. a universal wheel; 14. a handle; 2. a support frame; 21. a vertical rod; 211. a rod is arranged; 212. an outer rod; 213. a lower rod; 22. a chassis; 23. clamping the screw rod; 31. a first jaw; 32. a second jaw; 33. positioning the clamping jaw; 4. controlling the lead screw; 5. a cross beam; 51. a main beam; 511. positioning holes; 52. a sliding beam; 521. a locking hole; 522. positioning pins; 6. the motor is driven.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example (b):

a door-dismantling trolley is shown in figure 1 and comprises a trolley body 1 and a support frame 2, wherein the trolley body 1 comprises a horizontal frame 11 and a vertical frame 12 which are fixedly connected, and the support frame 2 is installed on the vertical frame 12. The upper end of support frame 2 is equipped with second clamping jaw 32, and the lower extreme of support frame 2 is equipped with first clamping jaw 31. The first clamping jaw 31 and the second clamping jaw 32 are arranged in a U shape, and the opening directions of the first clamping jaw and the second clamping jaw are opposite. The first clamping jaw 31 and the second clamping jaw 32 are mutually matched and clamped at the upper end and the lower end of the vehicle door, so that the vehicle door is detached.

As shown in FIG. 1, a plurality of universal wheels 13 are arranged at the bottom of the horizontal frame 11, and a handle 14 is arranged on the vertical frame 12. The operator pushes the vehicle body 1 to move through the handle 14, and the vehicle is convenient to carry.

As shown in FIG. 1, the vertical frame 12 is fixedly connected with the side edge of the horizontal frame 11, and the handle 14 is installed on the side of the vertical frame 12 away from the horizontal frame 11. The support frame 2 comprises a vertical rod 21 and a bottom frame 22, the bottom frame 22 is fixed at the bottom of the vertical rod 21, and the bottom frame 22 is positioned right above the horizontal frame 11.

As shown in fig. 1, the chassis 22 is rotatably connected with a control screw 4, the control screw 4 is provided with two sections of threads with opposite rotation directions, and the first clamping jaw 31 is provided with two groups, one for each group. The two first clamping jaws 31 are respectively connected with two opposite-direction threads on the control screw rod 4. The control screw rod 4 rotates, and the two first clamping jaws 31 move towards or away from each other, so that the distance between the two first clamping jaws 31 is adjusted, and the vehicle doors with different lengths are clamped.

As shown in fig. 1, a positioning clamping jaw 33 is fixed on the base frame 22, a rotation hole is formed in the positioning clamping jaw 33, the control screw rod 4 passes through the rotation hole and is rotatably connected with the rotation hole, the positioning clamping jaw 33 is located in the middle of the control screw rod 4, and the two first clamping jaws 31 are located on two sides of the positioning clamping jaw 33. When control lead screw 4 rotates, location clamping jaw 33 is different, and location clamping jaw 33 is in control lead screw 4's intermediate position all the time, mutually supports with two first clamping jaw 31, supports the door, improves stability.

As shown in fig. 1, the vertical rod 21 includes an upper rod 211, an outer rod 212, and a lower rod 213, which are arranged in this order from top to bottom. The outer rod 212 is hollow and has two open ends, and the outer rod 212 is fixedly connected with the vertical frame 12. The lower end of upper rod 211 is inserted into the upper end of outer rod 212 and is slidably connected to outer rod 212, and the upper end of upper rod 211 extends out of outer rod 212 and is connected to second clamping jaw 32. The upper end of the lower rod 213 is inserted into the lower end of the outer rod 212 and is slidably connected to the outer rod 212, and the lower end of the lower rod 213 extends out of the outer rod 212 and is connected to the bottom frame 22. The upper rod 211 and the lower rod 213 slide up and down to adjust the heights of the first clamping jaw 31 and the second clamping jaw 32, so as to meet the dismounting requirements of different vehicle doors.

As shown in fig. 2, the outer rod 212 is rotatably connected with a clamping screw 23, the upper rod 211 and the lower rod 213 are hollow, the upper end of the clamping screw 23 is inserted into the upper rod 211, and the lower end of the clamping screw 23 is inserted into the lower rod 213. The lower end of the upper rod 211 and the upper end of the lower rod 213 are provided with nuts threadedly coupled to the clamping screw 23. The clamping screw 23 is provided with two sections of threads with opposite turning directions and is respectively connected with the upper rod 211 and the lower rod 213. The clamping screw 23 rotates to drive the upper rod 211 and the lower rod 213 to move towards or away from each other, so that the distance between the first clamping jaw 31 and the second clamping jaw 32 is adjusted, and the vehicle door is clamped or loosened.

As shown in fig. 2, a driving motor 6 is mounted on the vertical frame 12, a control slot is formed in the outer rod 212, the driving motor 6 is connected with the middle position of the clamping screw 23 through a belt, the driving motor 6 is started, and the clamping screw 23 rotates, so that the upper rod 211 and the lower rod 213 are driven to slide up and down.

As shown in fig. 3, a horizontally disposed cross beam 5 is fixedly connected to the upper end of the upper rod 211, and the cross beam 5 includes a main beam 51 and a sliding beam 52. The sliding beam 52 is hollow and open toward one end of the main beam 51. One end of the main beam 51 is fixedly connected with the upper rod 211, and the other end is inserted into the sliding beam 52. The end of the sliding beam 52 remote from the support frame 2 is fixedly connected to the second jaw 32. The sliding beam 52 slides along the main beam 51, so that the horizontal position of the second clamping jaw 32 is adjusted to meet the requirements of detaching different types of vehicle doors.

As shown in fig. 3, the sliding beam 52 is provided with a locking hole 521, a positioning pin 522 penetrates through the locking hole 521, and the main beam 51 and the positioning hole 511 are provided with a plurality of strip-shaped positioning holes matching with the positioning pin 522. The positioning pin 522 is inserted into the positioning hole 511 through the locking hole 521, thereby fixedly coupling the sliding beam 52 and the main beam 51.

The specific implementation process comprises the following steps: the operator pushes the vehicle body 1 to the door, and the driving motor 6 drives the chassis 22 and the second clamping jaw 32 to move up and down, so that the first clamping jaw 31 is located below the door, and the second clamping jaw 32 is located above the door. The operator rotates the control screw 4 to adjust the position of the first jaw 31 so that the first jaw 31 is located on both sides of the vehicle door. The driving motor 6 drives the first clamping jaw 31 and the second clamping jaw 32 to move towards each other to clamp and fix the vehicle door, so that the vehicle door is detached.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides a tear a dolly open, includes automobile body (1) and support frame (2), and automobile body (1) includes horizontal stand (11) and vertical (12), install two at least first clamping jaw (31) on support frame (2), first clamping jaw (31) are located horizontal stand (11) directly over, second clamping jaw (32), its characterized in that are installed to the upper end of support frame (2): rotate on support frame (2) and be connected with control lead screw (4), be equipped with two sections screw threads that revolve to opposite on control lead screw (4), first clamping jaw (31) and control lead screw (4) threaded connection, first clamping jaw (31) divide into two sets ofly, and two sets of first clamping jaw (31) link to each other with two sections screw threads that revolve to opposite on control lead screw (4) respectively.

2. The door-dismantling trolley as claimed in claim 1, wherein: be fixed with location clamping jaw (33) on support frame (2), the rotation hole has been seted up on location clamping jaw (33), control lead screw (4) pass and rotate the hole and rotate with rotating the hole and be connected, location clamping jaw (33) are located the intermediate position of control lead screw (4).

3. The door-dismantling trolley as claimed in claim 1, wherein: support frame (2) include montant (21) and chassis (22), montant (21) include upper boom (211), outer pole (212) and lower beam (213), outer pole (212) cavity and both ends opening, and upper boom (211) and lower beam (213) are located the both ends and the sliding connection of outer pole (212) in outer pole (212), and outer pole (212) are fixed continuous with vertical frame (12), and the lower extreme of lower beam (213) stretches out outer pole (212) and links to each other with chassis (22), first clamping jaw (31) are installed on chassis (22), the upper end of upper boom (211) is stretched out outer pole (212) and is linked to each other with second clamping jaw (32).

4. The door-dismantling trolley as claimed in claim 3, wherein: the utility model discloses a clamping device for the automobile seat, including upper boom (211) and lower beam (213), upper boom (211) and lower beam (213) cavity setting, outer beam (212) transfer connection has the tight lead screw (23) of clamp, the upper end that presss from both sides tight lead screw (23) is worn to locate in upper boom (211), and the lower extreme that presss from both sides tight lead screw (23) is worn to locate in lower beam (213), it just links to each other with upper boom (211) and lower beam (213) respectively to be equipped with two sections opposite screw threads of turning round on pressing from both sides.

5. The door-dismantling trolley as claimed in claim 1, wherein: the upper end of support frame (2) even has crossbeam (5) that the level set up, crossbeam (5) include girder (51) and sliding beam (52), sliding beam (52) cavity sets up, girder (51) one end links to each other with support frame (2) is fixed, and the other end is inserted and is located in sliding beam (52), the one end that support frame (2) were kept away from in sliding beam (52) links to each other with second clamping jaw (32).

6. The door-dismantling trolley as claimed in claim 5, wherein: the sliding beam (52) is provided with a locking hole (521), a positioning pin (522) penetrates through the locking hole (521), and the main beam (51) is provided with a plurality of positioning holes (511) which are matched with the positioning pin (522) and distributed in a strip shape.

7. The door-dismantling trolley as claimed in claim 1, wherein: and a plurality of universal wheels (13) are arranged at the bottom of the horizontal frame (11).

8. The door-dismantling trolley according to claim 7, wherein: and a handle (14) is arranged on one surface of the vertical frame (12) far away from the first clamping jaw (31).