Tightening device of automobile chassis system

Abstract

The utility model discloses a tightening device of an automobile chassis system. The tightening device of the automobile chassis comprises a cavity, a sleeve arranged in the cavity, a ratchet wheel arranged in the cavity and used for limiting synchronous rotation of the sleeve and a nut, and a nylon block magnetically attracted to the ratchet wheel and abutting against a reference circle of a driving shaft, and the nylon block is provided with a notch for insertion of an insertion shaft on the reference circle. The ratchet wheel is arranged in the cavity, so that synchronous rotation of the sleeve and the bolt can be limited, and the bolt can be tightened by the sleeve; by arranging the nylon block and enabling the nylon block to be magnetically attracted to the ratchet wheel, when the nylon block connected with the reference circle of the driving shaft of different sizes needs to be replaced, due to the fact that the nylon block is magnetically attracted to the ratchet wheel, the nylon block can be rapidly detached, nylon blocks of different sizes can be replaced, time and labor are saved, and the replacement efficiency is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of automobiles, and in particular relates to a tightening device for an automobile chassis system. Background Art

[0002] Currently, automotive chassis components such as subframes, drive shafts, and rear axles need to be connected to the vehicle body or brakes. During this connection process, a tightening device is required to connect the drive shaft of the vehicle chassis to the brake nut, or to tighten the mounting bolts of the subframe, rear axle, and other components of the vehicle chassis to the vehicle body.

[0003] Currently, there are usually two types of drive shafts with different pitch circles on the automobile chassis. When the drive shafts with two pitch circles are installed with the brake, different types of tightening devices need to be replaced to adapt to the installation of nuts on the drive shafts with different pitch circles and the brakes. The nylon block on the tightening device is fixed in the cavity by bolts, which is time-consuming and labor-intensive to replace. Utility Model Content

[0004] In view of this, the purpose of the present invention is to provide a tightening device for an automobile chassis system to solve the technical problem that the replacement of the nylon block of the current tightening device is time-consuming and labor-intensive.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a tightening device for an automobile chassis system, comprising a cavity, a sleeve arranged in the cavity and used to cooperate with a nut on a drive shaft, a ratchet arranged in the cavity and used to limit the synchronous rotation of the sleeve and the nut, and a nylon block magnetically adsorbed on the ratchet and abutting against the pitch circle of the drive shaft, wherein the nylon block is provided with a notch for inserting the plug shaft on the pitch circle.

[0006] Furthermore, it also includes a plurality of pins for connecting the nylon block and the ratchet, a plurality of first limiting through holes are spaced apart along its circumferential direction on the nylon block, and a second limiting through hole is opened on the ratchet corresponding to the position of each of the first limiting through holes, and each of the pins passes through the first limiting through hole in turn and is connected with the second limiting through hole in cooperation.

[0007] Furthermore, a magnet is provided on the nylon block, and the magnet is used to magnetically adsorb the nylon block onto the ratchet.

[0008] Furthermore, it also includes a rotating mechanism for adjusting the rotation angle of the cavity, and a first cylinder assembly for supporting and driving the rotating mechanism to rotate.

[0009] Further, the rotating mechanism comprises a bearing sleeve arranged on the first cylinder assembly, a bearing arranged in the bearing sleeve, and a mechanical arm having one end mounted in the bearing, and the other end of the mechanical arm is connected with the cavity.

[0010] Further, a rotating handle is arranged on the mechanical arm.

[0011] Further, the first cylinder assembly comprises a first cylinder, and a rotating disc arranged on the first cylinder, and the bearing sleeve is mounted on the rotating disc.

[0012] Further, a second cylinder assembly is arranged on the column and connected with the first cylinder to adjust the lifting of the first cylinder.

[0013] Further, the second cylinder assembly comprises a frame arranged on the column, a first connecting rod and a second connecting rod which are arranged in parallel and spaced apart in up and down directions on the frame, a second cylinder mounted on the second connecting rod, a vertical rod arranged on the first connecting rod and used to be connected with the movable end of the second cylinder, and a transition assembly which is respectively hinged with the first connecting rod and the second connecting rod and connected with the first cylinder.

[0014] Further, the transition assembly comprises a mounting seat which is respectively hinged with the first connecting rod and the second connecting rod, a rotating arm arranged on the mounting seat and connected with the first cylinder, and a third cylinder mounted on the mounting seat and used to control the rotating arm to stop rotating.

[0015] The beneficial effects of the utility model lie in that, compared with the prior art, the tightening device of the automobile chassis system in the utility model has a ratchet wheel arranged in the cavity, so that the synchronous rotation of the sleeve and the bolt can be limited, the sleeve can be tightened on the bolt, a nylon block is arranged, and the nylon block is magnetically adsorbed on the ratchet wheel, when the nylon block connected with the indexing circle of the driving shaft of different sizes needs to be replaced, the nylon block can be quickly removed and replaced with a nylon block of different sizes, time and labor are saved, and the replacement efficiency is improved.

[0016] Other advantages, objects, and features of the utility model will be set forth in the following description, and will be apparent to those skilled in the art from the teachings herein or from the practice thereof, or will be learned from the practice of the utility model. The objects and other advantages of the utility model can be realized and obtained by the following description. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to make the purpose, technical scheme and beneficial effects of the utility model more clear, the utility model provides the following drawings for description:

[0018] Figure 1 A structure diagram of a tightening device cavity of an automobile chassis system in a vertical state is provided for an embodiment of the utility model;

[0019] Figure 2 A structure diagram of a tightening device cavity of an automobile chassis system in a horizontal state is provided for an embodiment of the utility model;

[0020] Figure 3 A structure diagram of a nylon block and a ratchet wheel is provided for an embodiment of the utility model.

[0021] Reference signs:

[0022] 1 - cavity; 11 - sleeve; 12 - ratchet wheel;

[0023] 2 - nylon block; 21 - notch; 22 - first limiting through hole;

[0024] 3 - rotating mechanism; 31 - bearing sleeve; 32 - mechanical arm; 33 - rotating handle;

[0025] 4 - first cylinder assembly; 41 - first cylinder; 42 - rotating disc;

[0026] 5 - stand column;

[0027] 6 - second cylinder assembly; 61 - frame body; 62 - first connecting rod; 63 - second connecting rod; 64 - second cylinder; 65 - vertical rod; 66 - transition assembly; 661 - mounting seat; 662 - rotating arm; 663 - third cylinder. DETAILED DESCRIPTION

[0028] As Figures 1 to 3 shown, the embodiment provides a tightening device of an automobile chassis system, comprising a cavity 1, the cavity 1 is provided with a sleeve 11 and a ratchet wheel 12, the sleeve 11 can be connected with a nut on a driving shaft, the ratchet wheel 12 can be used to limit the sleeve 11 and the nut to rotate synchronously; in addition, the ratchet wheel 12 is magnetically adsorbed with a nylon block 2, the nylon block 2 abuts against a division circle of the driving shaft, the nylon block 2 is provided with a notch 21, the notch 21 can be inserted with a shaft on the division circle. By providing the ratchet wheel 12 in the cavity 1, the sleeve 11 can be limited to rotate synchronously with a bolt, so that the sleeve 11 can be tightened to the bolt; by providing the nylon block 2 and magnetically adsorbing the nylon block 2 on the ratchet wheel 12, when it is needed to replace the nylon block connected with the division circle of the driving shaft of different sizes, the nylon block 2 can be quickly removed and replaced with a nylon block of different sizes due to the magnetic adsorption between the nylon block 2 and the ratchet wheel 12, so that time and labor are saved and the replacement efficiency is improved; by providing the notch 21 on the nylon block 2, the notch 21 can be quickly connected to the division circle of the driving shaft, so that the installation efficiency is improved.

[0029] Preferably, there are six notches 21, each of which is annularly spaced along the circumference of the nylon block 2. By providing six notches 21, the nylon block 2 can be positioned in multiple directions, ensuring precise alignment between the nylon block 2 and the pitch circle on the drive shaft. Of course, in this embodiment, the number of notches 21 can also be set to another number depending on actual conditions and specific needs, and this is not a single limitation.

[0030] Further, see Figure 3 As shown, the tightening device also includes a plurality of pins (not shown in the drawings) that can be used to connect the nylon block 2 to the ratchet 12. Specifically, the nylon block 2 is provided with a plurality of first limiting holes 22 spaced apart along its circumference, and the ratchet 12 is provided with a plurality of second limiting holes, each of which corresponds to a position of a first limiting hole 21. The pins sequentially pass through the first limiting holes 21 and engage with the second limiting holes. In this way, by inserting the pins into the first limiting holes 21 and the second limiting holes, the nylon block 2 can be better positioned on the ratchet 12.

[0031] Further, see Figure 2 As shown, the nylon block 2 is also provided with a magnet (not shown in the drawings). By providing the magnet, the nylon block 2 can be magnetically adsorbed on the ratchet 12. By magnetic attraction, the nylon block 2 can be quickly disassembled. Preferably, in the present application, the number of the magnets is three, and the angle between two adjacent magnets is 120°. By providing three magnets, the nylon block 2 can be more firmly adsorbed on the ratchet 12. Of course, in this embodiment, the number of the magnets can also be set to other multiples, which is not limited here.

[0032] Furthermore, a receiving groove is provided on the nylon block 2, and the magnet can be placed in the receiving groove. By providing the receiving groove, the positioning of the magnet can be achieved better.

[0033] Further, see Figure 1 As shown, the tightening device further includes a rotating mechanism 3 and a first cylinder assembly 4. The rotating mechanism 3 is disposed on the first cylinder assembly 4. The rotating mechanism 3 can be used to adjust the rotation angle of the cavity 1, and the first cylinder assembly 4 can be used to drive the rotating mechanism 3 to rotate. In this way, by providing the rotating mechanism 3, the rotation angle of the cavity 1 can be adjusted by the rotating mechanism 3. Specifically, in this embodiment, the rotating mechanism 3 can achieve 180° angle adjustment of the cavity, thereby meeting the requirements of screwing nuts in different directions; the first cylinder assembly 4 can control the rotating mechanism 3 to stop rotating, thereby achieving horizontal rotation of the rotating mechanism 3.

[0034] Further, see Figure 1 As shown in the figure, the rotating mechanism 3 comprises a bearing sleeve 31, a bearing, and a mechanical arm 32, the bearing sleeve 31 is arranged on the first cylinder assembly 4, the bearing is arranged in the bearing sleeve 31, one end of the mechanical arm 32 is connected with the bearing, and the other end of the mechanical arm 32 is connected with the cavity 1. In this way, by rotating the mechanical arm 32, the cavity 1 is rotated by the mechanical arm 32, so that the angle of the cavity 1 can be adjusted.

[0035] Further, please refer to Figure 1 As shown in the figure, the mechanical arm 32 is provided with a rotating handle 33. By arranging the rotating handle 33, the operator can operate the mechanical arm 33 to rotate the mechanical arm 33 to the appropriate angle.

[0036] Further, please refer to Figure 1 As shown in the figure, the first cylinder assembly 4 comprises a first cylinder 41 and a rotating disc 42, the rotating disc 42 is arranged on the first cylinder 41, and the bearing sleeve 31 is installed on the rotating disc 42. In this way, by rotating the rotating disc 42, the bearing sleeve 41 is rotated to adjust the horizontal position of the bearing sleeve 41; when the rotating disc 42 is rotated to the appropriate position, the first cylinder 41 is controlled to abut against the rotating disc 42, so that the rotating disc 42 can be stopped.

[0037] Further, please refer to Figure 1 As shown in the figure, the tightening device further comprises a column 5 and a second cylinder assembly 6, the second cylinder assembly 6 is arranged on the column 5, and the second cylinder assembly 6 is connected with the first cylinder 41. In this way, the lifting height of the first cylinder 5 is adjusted by the second cylinder assembly 6.

[0038] Preferably, please refer to Figure 1As shown, the second cylinder assembly 6 includes a frame 61, which is arranged on the column 5, and a first connecting rod 62 and a second connecting rod 63 are hingedly provided on the frame 5. The first connecting rod 62 and the second connecting rod 63 are arranged in parallel with an upper and lower interval. A second cylinder 64 is installed on the second connecting rod 62, and a vertical rod 65 is provided on the first connecting rod 63. The movable end of the second cylinder 64 is connected to the vertical rod 65. In addition, the second cylinder assembly 6 also includes a transition assembly 66, which is hinged to the first connecting rod 62 and the second connecting rod 63 respectively, and the transition assembly 66 is connected to the first cylinder 41. In this way, when the position of the first cylinder 41 needs to be raised or lowered, the second cylinder 64 is driven to extend or retract. When the second cylinder 64 is extended, the second cylinder 64 pushes the vertical rod 65 to move upward, so that the first connecting rod 62 drives the second connecting rod 63 to rise synchronously through the transition assembly 66, and then the transition assembly 66 drives the first cylinder 41 to rise; when the second cylinder 64 contracts, the second cylinder 64 drives the vertical rod 65 to move downward, so that the first connecting rod 62 drives the second connecting rod 63 to descend synchronously through the transition assembly 66, and then the transition assembly 66 drives the first cylinder 41 to descend, thereby realizing the adjustment of the height lifting and lowering of the first cylinder 41.

[0039] Further, see Figure 1 As shown, the transition assembly 66 includes a mounting base 661, which is hinged to the first connecting rod 62 and the second connecting rod 63 respectively. The mounting base 661 is provided with a rotating arm 662 connected to the first cylinder 41. In addition, the mounting base 661 is also provided with a third cylinder 663, which can be used to control the rotation of the rotating arm 662. In this way, when the left and right swing of the first cylinder 41 needs to be adjusted, the adjustment can be achieved through the rotating arm 662. When the rotating arm 662 rotates to the appropriate position, the rotating arm 662 can be controlled to stop rotating by the third cylinder 663.

[0040] In the present application, since the first connecting rod 62 and the second connecting rod 63 are respectively hingedly connected to the mounting seat 661, at this time, when the second cylinder 64 pushes the first connecting rod 62 upward, the first connecting rod 62 drives the second connecting rod 63 to rise and fall synchronously under the action of the mounting seat 661, and then drives the rotating arm 662 to rise and fall synchronously, and the rotating arm 662 then drives the first cylinder 41 to rise and fall synchronously, thereby realizing the adjustment of its height.

[0041] The tightening device of the present application can not only tighten the drive shaft nut, but also tighten the vehicle chassis system bolts, thereby improving the scope of use of the device.

[0042] Finally, it should be noted that the above preferred embodiments are only used to illustrate the technical solutions of the present invention and are not limiting. Although the present invention has been described in detail through the above preferred embodiments, those skilled in the art should understand that various changes can be made in form and details without departing from the scope defined by the claims of the present invention.

Claims

1. A tightening device for an automobile chassis system, characterized in that: It includes a cavity, a sleeve arranged in the cavity and used to cooperate with the nut on the drive shaft, a ratchet arranged in the cavity and used to limit the synchronous rotation of the sleeve and the nut, and a nylon block magnetically adsorbed on the ratchet and abutting against the pitch circle of the drive shaft, and a notch is opened on the nylon block for inserting the plug shaft on the pitch circle.

2. The tightening device of the automobile chassis system according to claim 1, characterized in that: It also includes a plurality of pins for connecting the nylon block to the ratchet, a plurality of first limiting through holes are spaced apart along its circumferential direction on the nylon block, and a second limiting through hole is opened on the ratchet corresponding to the position of each of the first limiting through holes, and each of the pins passes through the first limiting through hole in sequence and is connected in cooperation with the second limiting through hole.

3. The tightening device of the automobile chassis system according to claim 2, characterized in that: The nylon block is also provided with a magnet, and the magnet is used to magnetically adsorb the nylon block onto the ratchet.

4. The tightening device of the automobile chassis system according to claim 1, characterized in that: It also includes a rotating mechanism for adjusting the rotation angle of the cavity, and a first cylinder assembly for supporting and driving the rotating mechanism to rotate.

5. The tightening device of the automobile chassis system according to claim 4, characterized in that: The rotating mechanism includes a bearing sleeve arranged on the first cylinder assembly, a bearing arranged in the bearing sleeve, and a mechanical arm with one end installed in the bearing, and the other end of the mechanical arm is connected to the cavity.

6. The tightening device of the automobile chassis system according to claim 5, characterized in that: A rotating handle is provided on the mechanical arm.

7. The tightening device of the automobile chassis system according to claim 5, characterized in that: The first cylinder assembly includes a first cylinder and a turntable provided on the first cylinder, and the bearing sleeve is installed on the turntable.

8. The tightening device of the automobile chassis system according to claim 5, characterized in that: It also includes a column and a second cylinder assembly disposed on the column and connected to the first cylinder to adjust the lifting of the first cylinder.

9. The tightening device of the automobile chassis system according to claim 8, characterized in that: The second cylinder assembly includes a frame arranged on the column, a first connecting rod and a second connecting rod hinged to the frame in parallel with an upper and lower interval, a second cylinder installed on the second connecting rod, a vertical rod arranged on the first connecting rod and used to be connected to the movable end of the second cylinder, and a transition assembly hinged to the first connecting rod and the second connecting rod respectively and connected to the first cylinder.

10. The tightening device of the automobile chassis system according to claim 9, characterized in that: The transition assembly includes a mounting base hinged to the first connecting rod and the second connecting rod respectively, a rotating arm arranged on the mounting base and connected to the first cylinder, and a third cylinder installed on the mounting base and used to control the rotating arm to stop rotating.

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