Automobile door closing auxiliary tool for automobile machining

Abstract

The utility model discloses an automobile door closing auxiliary tool for automobile processing, which comprises a first connecting frame and a third connecting frame, a fixing piece for fixing an automobile door frame is arranged on the first connecting frame, a rotary drum is arranged at the bottom of the first connecting frame, and the rotary drum is rotatably connected to one side of the third connecting frame; a gear groove is formed in the rotating cylinder, a gear is meshed with the gear groove, the gear is fixedly connected with a rotating shaft, a ratchet wheel is arranged on one side of the gear, the ratchet wheel is fixedly connected to the rotating shaft and arranged in a containing frame, the containing frame is rotationally connected to the rotating shaft and fixedly connected to the interior of the third connecting frame, and a pawl is meshed with the ratchet wheel. The pawl is rotationally connected with a pull rod, the other end of the pull rod penetrates out of the containing frame and the third connecting frame, the bottom of the pawl is connected with a limiting spring, and the other end of the limiting spring is fixedly connected into the containing frame. The included angle between the automobile door and the automobile door frame is adjusted through the ratchet wheel, the pawl and other structures, and adjustment is more accurate and stable.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile, especially to a kind of automobile processing door closing auxiliary tool. BACKGROUND

[0002] In the production process of commercial car painting, the hinges of the four doors of the car, the car doors and the door frames are installed, and the door locks and the lock catches are not installed. This is because, during the painting process, if the door locks and the lock catches are already installed, they may become obstacles for paint adhesion, leading to uneven spraying or defects. In addition, the uninstalled door locks and lock catches also facilitate the operator to adjust the opening and closing state of the car door as needed during the painting process.

[0003] The existing Chinese utility model patent (CN215542002U) discloses a kind of temporarily installed automobile processing door closing auxiliary tool on car door, which is fixed on the car door by torsional spring, and is in contact with the door frame by buckle, so that the car door is relatively fixed with the door frame. This device is fixed on the car door by torsional spring during use, and the torsional spring undertakes the task of adjusting the size of the included angle between the car door and the door frame. During the production process of vehicle production line, different included angles between the car door and the door frame may be adjusted due to the difference in size of the produced vehicles. Since the torsional spring has a two-way curved surface, it is more difficult to accurately control compared to other types of springs. The angle adjustment is not accurate enough, and the device is prone to fall off the car door. In addition, the vibration generated by long-term processing cannot be avoided. The torsional spring will generate a certain degree of fatigue force after long-term work, affecting the stability and performance of the machine or equipment. On this basis, a new automobile processing door closing auxiliary tool is designed. UTILITY MODEL CONTENTS

[0004] The technical problem to be solved by the utility model is to provide an automobile processing door closing auxiliary tool that is more accurate and stable when adjusting the size of the included angle.

[0005] To solve the above technical problems, the technical solution of the utility model is as follows: an automobile processing door closing auxiliary tool, comprising a first connecting frame and a third connecting frame, a fixing piece for fixing the door frame is arranged on the first connecting frame, a rotating drum is arranged at the bottom of the first connecting frame, and the rotating drum is rotatably connected to one side of the third connecting frame; a gear slot is formed in the interior of the rotating drum, a gear is engaged with the gear slot, the gear is fixedly connected to a rotating shaft, a ratchet wheel is arranged on one side of the gear, the ratchet wheel is fixedly connected to the rotating shaft and placed in a placing frame, the placing frame is rotatably connected to the rotating shaft and fixedly connected to the interior of the third connecting frame, a pawl is engaged with the ratchet wheel, a pull rod is rotatably connected to the pawl, the other end of the pull rod penetrates through the placing frame and the third connecting frame, a limiting spring is connected to the bottom of the pawl, and the other end of the limiting spring is fixedly connected to the placing frame.

[0006] Preferably, the first connecting frame is provided with a placing rod, and the placing rod is fixedly connected with a fixing piece.

[0007] Preferably, the third connecting frame is rotatably connected with a horizontal rod on the other side, the horizontal rod is integrally formed with a first protrusion, and the first protrusion is provided with an anti-skid line.

[0008] Preferably, the top of the first connecting frame is provided with a connecting column, and the connecting column is fixedly connected with a second protrusion made of soft silica gel.

[0009] Preferably, the third connecting frame is rotatably connected with a sleeve, and the sleeve is rotatably connected with a supporting plate.

[0010] Preferably, the supporting plate is semicircular and corresponds to the shape of the first connecting frame, and the inner side of the supporting plate is provided with an anti-skid line.

[0011] Preferably, the third connecting frame is rotatably connected with a damper, one end of the damper is rotatably connected to the first connecting frame, a damping spring is sleeved on the damper, and the other end of the damping spring is connected to the first connecting frame.

[0012] Preferably, the third connecting frame is further fixedly connected with a second connecting frame, the second connecting frame is fixedly connected with an elastic pull rope, and the other end of the elastic pull rope is fixedly connected to the first connecting frame.

[0013] Preferably, the third connecting frame is provided with a handle, and the handle is fixedly connected with the rotating shaft.

[0014] Preferably, the surface of the rotating drum is provided with an arc-shaped opening, the handle is slidably inserted into the arc-shaped opening, and the arc-shaped opening is collinear with the axis of the rotating shaft.

[0015] After the above scheme is adopted, the utility model has at least the following beneficial effects:

[0016] 1. In the process of adjusting the angle between the door and the door frame, the rotating shaft needs to be rotated, at which time the gear in the gear groove rotates, and the rotating of the gear drives the rotating drum to rotate, at which time the first connecting frame fixedly connected with the rotating drum is lifted. The fixing is realized through the cooperation of the ratchet wheel rotation and the pull rod fixedly connected with the limiting spring. Compared with the effect of the torsional spring in the operation of adjusting the angle, the device can be more accurate and stable in the adjustment of the angle, and the problem of device falling off caused by the angle is solved.

[0017] 2. The utility model discloses after angle adjustment, the one side slide of symmetrical damper certain angle, through the damping spring fixed connection in damper shock absorption in the process of equipment operation, reduce the frequent vibration of the long -time operation of the production line of vehicle, compared with torsional spring the service life and stability of this equipment are also more excellent.

[0018] 3. The utility model discloses be equipped with elastic pull rope between first connecting frame and second connecting frame, further to the angle of adjustment complete fixed. ACCURACY OF DRAWINGS

[0019] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;

[0020] Figure 2 It is the overhead structure schematic diagram of the utility model;

[0021] Figure 3 It is the gear and gear slot connection structure schematic diagram of the utility model;

[0022] Figure 4 It is the ratchet wheel and pawl structure schematic diagram of the utility model;

[0023] Figure 5 It is the shock absorption structure disassembly drawing of the utility model.

[0024] In the drawing: 1, first connecting frame;2, second connecting frame;3, third connecting frame;4, damper;5, rotary drum;6, cross bar;7, supporting plate;8, sleeve;9, first lug;10, second lug;11, fixed part;12, gear slot;13, gear;14, ratchet wheel;15, pawl;16, pull rod;17, limit spring;18, damping spring;19, elastic pull rope;20, placing frame;21, rotating shaft;22, placing rod;23, connecting column. DETAILED DESCRIPTION

[0025] The utility model makes further detailed below in combination with the drawing and specific embodiment.

[0026] The utility model discloses a kind of automobile processing door closure auxiliary tools, as shown in figure Figures 1-5 It is the preferred embodiment of the utility model, including first connecting frame 1 and third connecting frame 3, the fixed part of fixed door frame is provided on the first connecting frame 1, the bottom of first connecting frame 1 is equipped with rotary drum 5, and the rotary drum 5 is rotatably connected to the side of third connecting frame 3.

[0027] The inside of at least one of the rotating drum 5 is provided with a gear slot 12, the gear slot 12 is engaged with a gear 13, the gear 13 is fixedly connected with a rotating shaft 21, one side of the gear 13 is provided with a ratchet wheel 14, the ratchet wheel 14 is fixedly connected on the rotating shaft 21 and placed in a placing frame 20, the placing frame 20 is rotatably connected on the rotating shaft 21 and fixedly connected in the inside of the third connecting frame 3, the ratchet wheel 14 is engaged with a pawl 15, the pawl 15 is rotatably connected with a pull rod 16, the other end of the pull rod 16 is penetrated in the placing frame 20 and the third connecting frame 3, the bottom of the pawl 15 is connected with a limiting spring 17, the other end of the limiting spring 17 is fixedly connected in the placing frame 20. When the angle needs to be adjusted, pull the pull rod 16 to cancel the limiting of the pawl 15 to the rotating drum 5 of the first connecting frame 1, at the same time use the rotating shaft 21, at this time there is no limiting of the pawl 15, the gear 13 can drive the rotating drum 5 to rotate through the gear slot 12 engaged with it, so as to make the first connecting frame 1 to rise or lower. When the rotating shaft 21 is difficult to rotate, the gear slot 12 and the ratchet wheel 14 in the rotating drum 5 can be lubricated and maintained. Further, in order to facilitate the rotation of the rotating shaft 21, a handle (not shown in the figure) is arranged outside the third connecting frame 3 for facilitating the user to exert force, the handle is fixedly connected with the rotating shaft 21, the rotation of the rotating shaft 21 is realized by the way of turning the handle, an arc-shaped opening is arranged on the surface of the rotating drum 5, the handle is slidably inserted in the arc-shaped opening, and the arc-shaped opening is collinear with the axis of the rotating shaft 21.

[0028] Further, the first connecting frame 1 is provided with a placing rod 22, the placing rod 22 is fixedly connected with a fixing piece 11, the fixing piece 11 can be provided with two symmetrically. In specific implementation, the fixing piece 11 can fix the auxiliary tool between the door frame and the door.

[0029] Further, the top of the first connecting frame 1 can be provided with a connecting column 23, the connecting column 23 is fixedly connected with a second protruding block 10. The second protruding block 10 can be made of soft silica gel material, so that the hand is more comfortable when pinching the second protruding block 10. The other side of the third connecting frame 3 corresponding to the connecting rotating drum 5 is fixedly connected with a cross bar 6, the cross bar 6 can be integrally formed with a first protruding block 9, the first protruding block 9 is provided with anti-skid lines. When the device needs to be used, the first protruding block 9 and the second protruding block 10 are placed into the mounting hole of the door by pinching with the hand.

[0030] Further, the third connecting frame 3 can be rotatably connected with a sleeve 8, and the sleeve 8 is rotatably connected with a supporting plate 7. The shape of the supporting plate 7 corresponds to the shape of the first connecting frame 1, and the supporting plate 7 can be semicircular. The inner side of the supporting plate 7 is provided with anti-skid lines. In specific implementation, when the auxiliary tool is not used, the first connecting frame 1 is lowered, and the inner side of the supporting plate 7 contacts the first connecting frame 1 to support the first connecting frame 1. In order to prevent the first connecting frame 1 from falling, the anti-skid lines are arranged on the supporting plate 7, and the supporting plate 7 is semicircular, which can better correspond to the shape of the first connecting frame 1.

[0031] Further, the first connecting frame 1 and the third connecting frame 3 can be provided with a damping structure, which can include a damper 4 and a damping spring 18. The damping structure can be symmetrically provided with two. Specifically, the two ends of the damper 4 are rotatably connected with the first connecting frame 1 and the third connecting frame 3 respectively, and the damper 4 is sleeved with the damping spring 18. It should be noted that, Figure 1 The damping spring 18 in the damping structure is sleeved outside the damper 4, but the damping spring 18 can also be sleeved inside the damper 4. In specific implementation, after adjusting the size of the included angle between the first connecting frame 1 and the third connecting frame 3, the position of the damper 4 is rotated to adapt to the angle of the first connecting frame 1 and the third connecting frame 3 after adjustment, and then the damping is cooperated through the damping spring 18 sleeved on the damper 4. The damping spring 18 can be replaced regularly to ensure the good function of the equipment.

[0032] Further, the third connecting frame 3 can also be fixed with a second connecting frame 2, and the second connecting frame 2 is fixedly connected with an elastic pull rope 19, and the other end of the elastic pull rope 19 is fixedly connected with the first connecting frame 1. In specific implementation, the elastic pull rope 19 can further fix the first connecting frame 1, and the elastic material can also facilitate the rotation of the first connecting frame 1.

[0033] The auxiliary tool is used in work, the first protrusion 9 on the third connecting frame 3 and the second protrusion 10 on the first connecting frame 1 are pinched by hand, the first protrusion 9 and the second protrusion 10 are inserted into the mounting hole of the door, the gear 13 in the gear groove 12 is rotated by rotating the rotating shaft 21, the rotating drum 5 is rotated due to the rotation of the gear 13, at this time, the first connecting frame 1 fixedly connected with the rotating drum 5 is raised. The first connecting frame 1 is fixed by limiting the ratchet wheel 14 through the limiting spring 17, the pawl 15 fixedly connected with the limiting spring 17 and the pull rod 16, and the angle adjusted is further fixed through the elastic pull rope 19 on the second connecting frame 2. With the door closed, the door frame is clamped and fixed through the fixing part 11, when the fixing operation is completed, the symmetric damper 4 needs to be rotated by a certain angle to adapt to the angle of the first connecting frame 1 and the third connecting frame 3 adjusted, and the shock absorbing spring 18 fixedly connected in the damper 4 is used for shock absorption in the process of equipment operation. When the auxiliary tool is used, the door needs to be opened, the limiting of the door frame by the fixing part 11 is released, the limiting of the rotating drum 5 by the pawl 15 is released by pulling the pull rod 16, at this time, the height of the first connecting frame 1 can be reduced, the included angle between the first connecting frame 1 and the third connecting frame 3 is reduced, the device is taken out from the mounting hole of the door, and the first connecting frame 1 is placed on the supporting plate 7 rotatably connected with the sleeve 8.

[0034] The above is only a preferred embodiment of the utility model, and does not limit the technical range of the utility model, so any change or modification according to the claims and the specification of the utility model should belong to the range covered by the utility model patent.

Claims

1. An automotive processing door closing aid characterized by: The utility model provides a kind of vehicle door frame, including first connecting frame and third connecting frame, the first connecting frame is provided with the fixed part of fixed vehicle door frame, the bottom of first connecting frame is equipped with rotary drum, which is rotatably connected to the side of the third connecting frame;Gear slot is opened in the inside of the rotary drum, gear slot is engaged with gear, gear is fixedly connected with a rotating shaft, gear is provided with ratchet on one side, and ratchet is fixedly connected on rotating shaft and placed in a placing frame, the placing frame is rotatably connected on rotating shaft and fixedly connected in the third connecting frame, ratchet is engaged with pawl, pawl is rotatably connected with pull rod, the other end of pull rod is penetrated in placing frame and third connecting frame, the bottom of pawl is connected with limit spring, and the other end of limit spring is fixedly connected in placing frame.

2. A vehicle door closing aid according to claim 1, characterised in that: The first connecting frame is provided with a placing rod, and the placing rod is fixedly connected with a fixing part.

3. The vehicle door closing aid of claim 1, wherein: The third connecting frame is rotatably connected with a crossbar on the other side, the crossbar is integrally formed with a first protrusion, and the first protrusion is provided with anti-slip lines.

4. The vehicle door closing aid of claim 1, wherein: The top of the first connecting frame is provided with a connecting column, the connecting column is fixedly connected with a second protrusion, and the second protrusion is made of soft silica gel.

5. The vehicle door closing aid of claim 1, wherein: The third connecting frame is rotatably connected with a sleeve, and the sleeve is rotatably connected with a supporting plate.

6. A vehicle door closing aid according to claim 5, wherein: The supporting plate is semicircular and corresponds to the shape of the first connecting frame, and the inner side of the supporting plate is provided with anti-slip lines.

7. The vehicle door closing aid of claim 1, wherein: The third connecting frame is rotatably connected with a damper, one end of the damper is rotatably connected to the first connecting frame, a shock-absorbing spring is sleeved on the damper, and the other end of the shock-absorbing spring is connected to the first connecting frame.

8. The vehicle door closing aid of claim 1, wherein: The third connecting frame is further fixed with a second connecting frame, the second connecting frame is fixedly connected with an elastic pull rope, and the other end of the elastic pull rope is fixedly connected to the first connecting frame.

9. The vehicle door closing aid of claim 1, wherein: The third connecting frame is provided with a handle, and the handle is fixedly connected with the rotating shaft.

10. A vehicle door closing aid according to claim 9, wherein: An arc-shaped opening is formed on the surface of the rotary drum, the handle is slidably inserted into the arc-shaped opening, and the arc-shaped opening is collinear with the axis of the rotating shaft.

Images