Bolt tightening tool for automobile part machining
By designing a bolt tightening tool with a support and clamping mechanism, the problems of easy injury during hand-held bolt tightening and tightening at special angles have been solved, realizing a safe and convenient bolt tightening process, extending the tool's service life and reducing costs.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- PUMENG PRECISION TECHNOLOGY (SUZHOU) CO LTD
- Filing Date
- 2025-04-30
- Publication Date
- 2026-04-10
AI Technical Summary
Existing bolt tightening tools require hand-holding the nut for tightening, which can easily lead to injury if not operated properly. Furthermore, it is difficult to maintain the tightening position when tightening at special angles, affecting work progress and safety.
A bolt tightening tool comprising a support mechanism, a fixing mechanism, and a clamping mechanism was designed. The tool achieves stable fixing and tightening of bolts through a retractable fixing plate, a fan-shaped plate that moves left and right, an elastic clamping block, and freely rolling balls.
It reduces the risk of worker injury, improves the ease and efficiency of operation, extends the service life of machines, and reduces production costs.
Smart Images

Figure CN224102871U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to bolt tightening tool technical field especially uses a bolt tightening tool for automobile parts processing. BACKGROUND
[0002] The bolt tightening tool is a tool for tightening bolts, and some bolt tightening tools are equipped with corresponding auxiliary facilities and devices to cooperate with the bolt tightening tool to tighten bolts. The bolt tightening tool is mainly used for tightening bolts and replacing bolts. It is very convenient to use, can tightly fix the screw, and is not easy to fall off in the later period.
[0003] However, in the prior art, the existing bolt tightening tool often needs to hold the nut to tighten, which may cause injury due to improper operation of the operator. In addition, when tightening workpieces at some special angles, it is difficult to maintain the action of holding the nut, and improper operation is more likely to cause injury, which not only slows down the work progress, but also has the risk of injury. UTILITY MODEL CONTENT
[0004] The utility model aims at solving the shortcomings in the prior art and provides a bolt tightening tool for automobile parts processing.
[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a bolt tightening tool for automobile parts processing, comprising: a supporting mechanism, a fixing mechanism is arranged on one side of the supporting mechanism, a clamping mechanism is arranged on one side of the supporting mechanism, the fixing mechanism comprises a protection plate, a bidirectional screw rod is rotatably connected to the inside of the protection plate through a rotating piece, a limit rod one is arranged on both sides of the bidirectional screw rod, a rocking handle is fixedly connected to one side of the bidirectional screw rod, two moving blocks are screwedly connected to the outside of the bidirectional screw rod, the two moving blocks are fixedly connected with telescopic rods on the side away from the bidirectional screw rod, the telescopic rods are fixedly connected with a fixed plate on the end away from the moving blocks, a spring one is fixedly connected to the bottom side of the fixed plate, a limit rod two is slidably connected to the middle of the fixed plate, and a fan-shaped plate is fixedly connected to the end away from the spring one of the fixed plate.
[0006] As a preferred embodiment, the clamping mechanism comprises a protection plate, six clamping blocks are arranged in a circular shape in the inside of the protection plate, the clamping blocks are rotatably connected through rotating pieces, spring two is fixedly connected to one side of the clamping blocks, a limiting block is fixedly connected to one side of the clamping blocks, and six ball bearings are arranged on the side away from the spring two of the clamping blocks.
[0007] As a preferred embodiment, the supporting mechanism comprises a supporting plate.
[0008] As a preferred implementation form, one side of the protection plate is fixedly connected with one side of the support plate, two ends of the limiting rod one are fixedly connected with the inside of the protection plate, the outside of the limiting rod one is slidably connected with the inside of the moving block, the outside of the telescopic rod is slidably connected with the inside of the support plate, one end of the spring one away from the fixed plate is fixedly connected with one side of the support plate, and one side of the limiting rod two away from the fixed plate is slidably connected with the inside of the support plate.
[0009] As a preferred implementation form, one side of the protection plate is fixedly connected with one side of the support plate, two ends of the limiting rod one are fixedly connected with the inside of the protection plate, the outside of the limiting rod one is slidably connected with the inside of the moving block, the outside of the telescopic rod is slidably connected with the inside of the support plate, one end of the spring one away from the fixed plate is fixedly connected with one side of the support plate, and one side of the limiting rod two away from the fixed plate is slidably connected with the inside of the support plate.
[0010] As a preferred implementation form, one side of the protection plate is fixedly connected with one side of the support plate, two ends of the limiting rod one are fixedly connected with the inside of the protection plate, the outside of the limiting rod one is slidably connected with the inside of the moving block, the outside of the telescopic rod is slidably connected with the inside of the support plate, one end of the spring one away from the fixed plate is fixedly connected with one side of the support plate, and one side of the limiting rod two away from the fixed plate is slidably connected with the inside of the support plate.
[0011] Compared with the prior art, the utility model has the advantages and positive effects that:
[0012] The utility model discloses an advantage that through the fixed plate of contraction, the fixing between the mechanism and workpiece can be realized, thereby implementing the work of bolt tightening, and workers do not need to hold nuts for bolt tightening, thereby reducing the risk of injury of workers.
[0013] Through the clamping block of elastic clamping, the bolt can be preliminarily fixed, the operation difficulty is reduced, the whole process is more time-saving and labor-saving, through the limiting block, when the clamping block does not clamp the bolt, the clamping block will not be affected by the elastic force and rush out of the mechanism, so that the working process is more simple and clear, through the free rolling of the ball, the friction between the clamping block and the bolt is reduced, the use wear of the clamping block is reduced, the service life of the machine is increased, and certain production cost is reduced. ACCURACY OF DRAWINGS
[0014] Figure 1 A support mechanism structure schematic view of the bolt tightening tool for automobile part machining is provided.
[0015] Figure 2 A clamping mechanism structure schematic view of the bolt tightening tool for automobile part machining is provided.
[0016] Figure 3 A clamping mechanism part structure schematic view of the bolt tightening tool for automobile part machining is provided.
[0017] Figure 4 The utility model provides a bolt tightening tool's clamping mechanism section structure schematic view for automobile parts processing.
[0018] Figure 5 The utility model provides a bolt tightening tool's fixed mechanism part section structure schematic view for automobile parts processing.
[0019] Figure 6 The utility model provides a bolt tightening tool's fixed mechanism structure schematic view for automobile parts processing.
[0020] Legend:
[0021] 1, support mechanism, 11, support plate,
[0022] 2, fixed mechanism, 21, protection plate, 22, two -way screw rod, 23, limit pole one, 24, rocking handle, 25, moving block, 26, telescopic link, 27, fixed plate, 28, spring one, 29, limit pole two, 201, sector plate, 202, limit post, 203, toothed plate, 204, bite board,
[0023] 3, clamping mechanism, 31, protection plate, 32, clamping block, 33, spring two, 34, limit block, 35, ball. Specific embodiments
[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0025] Embodiment 1
[0026] As Figures 1-6The utility model provides a technical scheme: a bolt tightening tool for automobile part machining, it is personally experienced sth, including: support mechanism 1, support mechanism 1 one side is provided with fixed mechanism 2, support mechanism 1 one side is provided with clamping mechanism 3, fixed mechanism 2 includes protection plate 21, the inside of protection plate 21 is connected with bidirectional screw rod 22 through rotating part, the both sides of bidirectional screw rod 22 are provided with limit rod one 23, the one side fixed connection of bidirectional screw rod 22 has rocking handle 24, the outside screw joint of bidirectional screw rod 22 has two moving blocks 25, the one side of two moving blocks 25 away from bidirectional screw rod 22 is all fixedly connected with telescopic link 26, the one end fixed connection of telescopic link 26 away from moving block 25 has fixed plate 27, the bottom one side fixed connection of fixed plate 27 has spring one 28, the middle slide connection of fixed plate 27 has limit rod two 29, the one end fixed connection of fixed plate 27 away from spring one 28 has sector plate 201.
[0027] In the embodiment, one side of the protection plate 21 is fixedly connected with one side of the support plate 11, an accommodating groove is formed in the interior of the protection plate 21, one side of the bidirectional screw rod 22 is slidably connected with one side of the protection plate 21 and is fixedly connected with one side of the rocking handle 24, two of the bidirectional screw rods 22 are arranged in the interior of the protection plate 21, the bottom ends of the two moving blocks 25 are threadedly connected with the outer sides of the two ends of the bidirectional screw rod 22, rotating the bidirectional screw rod 22 can make the moving blocks 25 at the two ends move to the middle part, one end of the bidirectional screw rod 22 is fixedly connected with the rocking handle 24, rotating the rocking handle 24 can make the bidirectional screw rod 22 rotate, one end of the moving block 25 away from the bidirectional screw rod 22 is fixedly connected with one side of the telescopic link 26, moving the moving block 25 can drive the telescopic link 26 to move, one end of the telescopic link 26 is fixedly connected with the fixed plate 27, when the telescopic link 26 is driven by the moving block 25, the fixed plate 27 is moved, the telescopic link 26 is telescoped to control the fixed plate 27 to move forward and backward, the bottom one side of the fixed plate 27 is fixedly connected with one end of the spring one 28, one end of the spring one 28 away from the fixed plate 27 is fixedly connected with one side of the support plate 11, when the telescopic link 26 is extended to push out the fixed plate 27, the spring one 28 is contracted under stress to make the fixed plate 27 move to the support plate 11, the length of the telescopic link 26 extending out is better controlled, so that the surface of the workpiece needing bolt tightening is preliminarily fixed, a hole is formed in the middle part of the fixed plate 27, the limit rod two 29 passes through the hole and is slidably connected with the fixed plate 27, when the fixed plate 27 is driven by the telescopic link 26 to move left and right, the limit rod two 29 can limit the fixed plate 27 to only stably move left and right and forward and backward, so that the fixed plate 27 is more stable when moving, one end of the fixed plate 27 away from the spring one 28 is fixedly connected with the sector plate 201.
[0028] Embodiment 2
[0029] As Figures 1-6As shown, the clamping mechanism 3 includes a protective plate 31, which is internally circularly provided with six clamping blocks 32, which are rotatably connected through rotating members, one side of the clamping block 32 is fixedly connected with spring two 33, one side of the clamping block 32 is fixedly connected with limiting block 34, and the side away from the spring two 33 of the clamping block 32 is provided with six ball bearings 35.
[0030] In this embodiment, one side of the protective plate 31 is fixedly connected with one side of the support plate 11, a groove is formed in the interior of the protective plate 31, and six clamping blocks 32 are arranged in the groove of the protective plate 31. One side of each clamping block 32 is fixedly connected with spring two 33, and the end of the spring two 33 away from the clamping block 32 is fixedly connected with the interior of the protective plate 31. When in use, the spring two 33 is affected by the elastic force to push the clamping block 32 forward, and the clamping block 32 is pushed forward by the spring two 33 to preliminarily fix the threaded rod part of the bolt, so that the process of tightening the bolt is more convenient and fast. One side of the clamping block 32 is fixedly connected with the limiting block 34, a groove accommodating the limiting block 34 is formed in the interior of the protective plate 31, and the outer side of the limiting block 34 is slidingly connected with the interior groove of the protective plate 31. The outer side of the limiting block 34 is limited by the interior groove of the protective plate 31. Because one end of the limiting block 34 is fixedly connected with one end of the clamping block 32, the clamping block 32 will not move outwardly under the elastic force of the spring two 33 when the mechanism is not clamping the bolt, so as to facilitate the operation of the worker. Six ball bearings 35 are slidingly connected with one side of the clamping block 32. The surface of the ball bearing 35 is made of plastic material and is provided with a groove, so that the ball bearing 35 can be inserted into the groove on the surface of the clamping block 32. When the bolt is tightened, the ball bearing 35 can freely roll to reduce the friction between the threaded column part of the bolt and the clamping block 32.
[0031] Working principle: use first need bolt hole position of workpiece to be tightened between fixed plate 27 and support plate 11, support plate 11 play the role of overall support, make the whole operation process more stable, increase the contact between mechanism, one side of support plate 11 and one side of protection plate 21 fixed connection, protection plate 21 not only can protect the internal mechanism from the collision of the outside damage, also can prevent the mechanism from hurting workers when operation, the inside of protection plate 21 is provided with groove, one end of bidirectional screw rod 22 and one side of protection plate 21 inside groove fixed connection, the other end of bidirectional screw rod 22 and protection plate 21 inside through rotating piece rotation connection, the both sides of bidirectional screw rod 22 are provided with limit rod one 23, the both ends of limit rod one 23 and the inside groove of protection plate 21 fixed connection, the both sides of bidirectional screw rod 22 are threadedly connected with two moving blocks 25, one end of bidirectional screw rod 22 and crank 24 fixed connection, rotate crank 24 make bidirectional screw rod 22 rotate, bidirectional screw rod 22 rotation drive both sides moving block 25 rotation to the middle movement, the outside of limit rod one 23 and the inside of moving block 25 slide connection, limit rod one 23 can control moving block 25 when moving will not follow the rotation movement, so as to only move forward and backward, one end of moving block 25 and one side of telescopic rod 26 fixed connection, both sides moving block 25 to the middle movement will drive telescopic rod 26 to the middle movement, the end of telescopic rod 26 away from moving block 25 and one side of fixed plate 27 fixed connection, telescopic rod 26 telescopic will control fixed plate 27 forward and backward movement, the bottom of one side of fixed plate 27 and one end of spring one 28 fixed connection, the end of spring one 28 away from fixed plate 27 and one side of support plate 11 fixed connection, telescopic rod 26 extension will push out fixed plate 27 to the outside movement, spring one 28 will shrink and pull fixed plate 27 to the direction of support plate 11, so that fixed plate 27 can tightly need to be bolted to the surface of workpiece, then put the nut between two bite plate 204, by rotating crank 24, crank 24 drive bidirectional screw rod 22 rotation, bidirectional screw rod 22 rotation drive both sides moving block 25 to the middle movement, moving block 25 drive telescopic rod 26 to the middle movement again, the outside of limit rod two 29 slide in the inside of fixed plate 27, the end of limit rod two 29 away from fixed plate 27 and inside of support plate 11 slide connection, telescopic rod 26 to the middle movement will drive fixed plate 27 to the middle movement, limit rod two 29 will move with fixed plate 27 at this time, fixed plate 27 to the middle movement will drive the top sector plate 201 to the middle movement, one side of sector plate 201 is provided with two sliding grooves, two sliding grooves are provided with two limit posts 202, one side of tooth plate 203 and one side of sector plate 201 slide connection, when tooth plate 203 slide in the sliding groove of sector plate 201, limit post 202 can control the angle of tooth plate 203 sliding, also can prevent tooth plate 203 from sliding out of limit post 202, one side of tooth plate 203 is also provided with two sliding grooves, two sliding grooves are provided with limit post 202, one side of bite plate 204 and one side of tooth plate 203 slide connection,The fixed plates 27 on both sides push the sector plate 201 to move to the middle, which drives the sector plate 201 to move to the middle, the sector plate 201 pushes the bite plate 204 on one side to move to the middle, until the outer side of the bite plate 204 abuts against the outer side of the nut, when the outer side of the bite plate 204 is not clamped to the outer side of the nut, the side of the bite plate 204 is forced to slide until the outer side is clamped to the outer side of the nut, so as to fix the nut, facilitate the subsequent tightening process, finally, the bolt threaded rod part to be tightened is placed between the clamping blocks 32, the clamping blocks 32 are clamped to the middle under the elastic force of the second springs 33, one side of the clamping blocks 32 is fixedly connected with the limiting blocks 34, the outer side of the limiting blocks 34 is slidably connected with the inner groove of the protective plate 31, so that the clamping blocks 32 will not be forced out of the outer side due to the elastic force of the second springs 33 when not clamped, which is more convenient for workers to operate, after the bolt threaded rod part is fixed, the bolt threaded rod is rotated by using a tool to tighten, the surface of the clamping blocks 32 is also slidably connected with six ball bearings 35, which can reduce the friction between the clamping blocks 32 and the bolt threaded rod part, not only makes the tightening process more convenient and fast, but also reduces the mechanical friction, thereby increasing the service life of the mechanism.
[0032] The above is only a preferred embodiment of the present application, and is not intended to limit the present application in other forms. Any skilled person in the art can modify or change the above disclosed technical content to equivalent embodiments applied to other fields, but any simple modification, equivalent change and modification of the above embodiments made according to the technical essence of the present application still fall within the protection scope of the present application.
Claims
1. A bolt tightening tool for processing of automobile parts, characterized by comprising: Include: Supporting mechanism (1), one side of the supporting mechanism (1) is provided with a fixed mechanism (2), one side of the supporting mechanism (1) is provided with a clamping mechanism (3), the fixed mechanism (2) includes a protection plate (21), the inside of the protection plate (21) is rotatably connected with a bidirectional screw rod (22) through a rotating piece, both sides of the bidirectional screw rod (22) are provided with a limit rod one (23), one side of the bidirectional screw rod (22) is fixedly connected with a rocking handle (24), the outer side of the bidirectional screw rod (22) is threadedly connected with two moving blocks (25), the side away from the bidirectional screw rod (22) of the two moving blocks (25) is fixedly connected with a telescopic rod (26), one end of the telescopic rod (26) away from the moving block (25) is fixedly connected with a fixed plate (27), the bottom side of the fixed plate (27) is fixedly connected with a spring one (28), the middle part of the fixed plate (27) is slidably connected with a limit rod two (29), one end of the fixed plate (27) away from the spring one (28) is fixedly connected with a sector plate (201).
2. The bolt tightening tool for processing of an automobile part according to claim 1, characterized in that: The clamping mechanism (3) includes a protection plate (31), the inside of the protection plate (31) is circularly provided with six clamping blocks (32), the clamping blocks (32) are rotatably connected through rotating pieces, one side of the clamping block (32) is fixedly connected with a spring two (33), one side of the clamping block (32) is fixedly connected with a limiting block (34), and the side away from the spring two (33) of the clamping block (32) is provided with six ball bearings (35).
3. The bolt tightening tool for processing of an automobile part according to claim 1, characterized in that: The supporting mechanism (1) includes a supporting plate (11).
4. The bolt tightening tool for processing of an automobile part according to claim 1, characterized in that: One side of the protection plate (21) is fixedly connected with one side of the supporting plate (11), both ends of the limit rod one (23) are fixedly connected with the inside of the protection plate (21), the outer side of the limit rod one (23) is slidably connected with the inside of the moving block (25), the outer side of the telescopic rod (26) is slidably connected with the inside of the supporting plate (11), one end of the spring one (28) away from the fixed plate (27) is fixedly connected with one side of the supporting plate (11), and the side away from the fixed plate (27) of the limit rod two (29) is slidably connected with the inside of the supporting plate (11).
5. The bolt tightening tool for processing of an automobile part according to claim 2, characterized in that: One side of the protection plate (31) is fixedly connected with one side of the supporting plate (11), one end of the spring two (33) away from the clamping block (32) is fixedly connected with the inside of the protection plate (31), and the outer side of the limiting block (34) is slidably connected with the inside of the protection plate (21).
6. The bolt tightening tool for processing of an automobile part according to claim 1, characterized in that: One side of the sector plate (201) is fixedly connected with a limiting column (202) inside, one side of the sector plate (201) is slidably connected with a tooth plate (203), and one side of the tooth plate (203) away from the sector plate (201) is slidably connected with a bite plate (204).