CN211803274U - Reset valve nut four-point riveting anti-loosening device - Google Patents
Reset valve nut four-point riveting anti-loosening device Download PDFInfo
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- CN211803274U CN211803274U CN202020206237.6U CN202020206237U CN211803274U CN 211803274 U CN211803274 U CN 211803274U CN 202020206237 U CN202020206237 U CN 202020206237U CN 211803274 U CN211803274 U CN 211803274U
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Abstract
The utility model discloses a reset valve nut presses four point riveting locking device, which comprises a fixed disk, be equipped with piston rod through-hole in the middle of the fixed disk, the downward circumference evenly distributed of fixed disk top surface has four shifting chutes, every inside extrusion module that all is equipped with a structure the same of shifting chute, the extrusion module includes the movable block that the level was arranged, the protruding top of movable block is equipped with the extrusion piece, extrusion piece left surface is equipped with the extrusion end of arranging left, the fixed movable block powerful magnet that is equipped with of the protruding right flank of movable block, the fixed extrusion piece powerful magnet that is equipped with of extrusion piece recess right flank, extrusion piece upper portion is equipped with the extrusion piece retainer plate, movable block right side relative position. The utility model has the advantages that: can press when riveting and reach certain pressure, the automatic shutdown pressure of riveting to play the guard action to the valve nut that recovers, once again from four directions to the valve nut that recovers rivets.
Description
Technical Field
The utility model belongs to the technical field of riveting set, concretely relates to four point riveting locking device are pressed to rehabilitation valve nut.
Background
A shock absorber is a component for absorbing impact of a road surface and is widely used for automobiles, a piston is arranged in the shock absorber, a recovery valve is arranged on the piston, a recovery valve nut for locking a recovery valve system is arranged on the recovery valve, the recovery valve nut can be loosened in the continuous motion process of the piston rod in the long-time working process of the shock absorber, and the shock absorber is finally scrapped, the recovery valve nut is usually installed and then fixedly connected at present, the common reinforcement connection is that the nut is screwed up and then axially pressed and riveted, so that fit gaps among threads are slightly deformed, the anti-falling effect of the recovery valve nut is achieved, but the pressing and riveting force cannot be too large or too small, the pressure application is stopped timely after the recovery valve nut is deformed by a certain amount, and repeated experiments show that the pressing and riveting points of the recovery valve nut are uniformly distributed in four directions around the recovery valve nut, the effect is the best, most of the existing press riveting equipment can only press and rivet one point or two points at a time, and the press riveting effect cannot be achieved, so that people always find a solution.
SUMMERY OF THE UTILITY MODEL
The utility model provides a four point riveting locking device is pressed to rehabilitation valve nut can be when the pressure is riveted and reachs certain pressure, and the automatic shutdown is pressed the pressure of riveting to play the guard action to rehabilitation valve nut, once press riveting to rehabilitation valve nut from four directions moreover.
In order to solve the technical problem, the utility model discloses a following technical scheme:
the reset valve nut pressing four-point riveting anti-loosening device comprises a fixed disc, wherein the fixed disc is of a disc-shaped structure, a piston rod through hole is formed in the middle of the fixed disc, four moving grooves are uniformly distributed in the downward circumferential direction on the top surface of the fixed disc, an extrusion module with the same structure is arranged inside each moving groove, taking the rightmost extrusion module as an example, each extrusion module comprises a horizontally arranged moving block, a moving block bulge is arranged at the top of each moving block, an extrusion block is arranged at the top of each moving block bulge, an extrusion end head arranged leftwards is arranged on the left side surface of each extrusion block, each extrusion end head is of a triangular flat plate type structure, an extrusion block groove is formed in the bottom surface of each extrusion block upwards, the shape and the position of each extrusion block groove are matched with the shape and the position of each moving block bulge, extrusion piece recess right flank is fixed and is equipped with extrusion piece powerful magnet, extrusion piece powerful magnet right flank contacts with movable block powerful magnet left flank, extrusion piece upper portion is equipped with the extrusion piece retainer plate, the extrusion piece retainer plate is left right open-ended rectangle square frame structure, the big or small looks adaptation of extrusion piece retainer plate opening size and extrusion piece cross section, extrusion piece retainer plate bottom surface and fixed disk top surface fixed connection, movable block right side relative position is equipped with the screw mount, the screw mount is upper and lower open-ended rectangle square frame structure, the screw mount position is corresponding with the movable block position, screw mount left side and fixed disk side fixed connection, screw mount right side middle part relative position is equipped with the screw that is equipped with horizontal arrangement in threaded horizontal through-hole and the through-hole, screw through screw mount right flank, the screw left end contacts with movable block right flank.
Furthermore, a piston rod is vertically arranged in the piston rod through hole, threads are arranged on the outer side surface of the piston rod, a recovery valve nut is arranged on the outer side surface of the piston rod, the recovery valve nut is of a cylindrical sleeve-shaped structure with a vertical through hole in the middle, internal threads are arranged in the through hole in the middle, the piston rod is fixedly connected with the recovery valve nut through the threads, and the diameter of the piston rod through hole is larger than the maximum diameter of the recovery valve nut.
Furthermore, the shape of the side wall of the moving groove is matched with that of the side wall of the moving block, and the width of the moving groove is matched with that of the moving block.
Further, the screw length is longer than the length of the moving slot.
Furthermore, the length of the extrusion block is longer than that of the moving block, and the bottom of the moving block is provided with a moving block oil groove.
Compared with the prior art, the beneficial effects of the utility model are that:
in the utility model, the extrusion block powerful magnet and the moving block powerful magnet are arranged, the force applied to the outer side wall of the reset valve nut along with the extrusion end is increasingly larger, when the force requirement required by riveting is met, the attraction force between the extrusion block powerful magnet and the moving block powerful magnet reaches the upper limit, the extrusion block powerful magnet is separated from the moving block powerful magnet, the moving block does not drive the extrusion block to clamp the reset valve nut any more, the effect of protecting the reset valve nut and the piston rod from being excessively riveted is achieved, the extrusion block is enabled to keep horizontal advancing all the time through the limit of the extrusion block fixing ring in the moving process by arranging the extrusion block fixing ring, the riveting effect of the reset valve nut is ensured, meanwhile, the fixed connection of the extrusion block and the moving block is avoided, the whole extrusion module is more convenient to disassemble and install, the moving block oil groove is arranged on the moving block, lubricating oil is arranged in the, the four extrusion modules are arranged on the fixed disc, so that four riveting points are distributed around the reset valve nut, and the reliability of riveting is ensured.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the extrusion module;
FIG. 3 is an internal structural view of an extrusion block portion of an extrusion die block;
fig. 4 is a schematic view showing the matching of the pressing blocks, the moving blocks and the fixed disc.
In the figure: 1. the novel hydraulic cylinder comprises a piston rod, 2 parts of a reset valve nut, 3 parts of an extrusion module, 4 parts of a fixed disc, 5 parts of a piston rod through hole, 6 parts of a screw fixing frame, 7 parts of an extrusion block, 8 parts of an extrusion block fixing ring, 9 parts of an extrusion end, 10 parts of a moving block, 11 parts of a moving groove, 12 parts of a moving block protrusion, 13 parts of an extrusion block groove, 14 parts of an extrusion block powerful magnet, 15 parts of a moving block powerful magnet and 16 parts of a moving block oil groove.
Detailed Description
Example (b): as shown in fig. 1, 2, 3 and 4, the device comprises a fixed disk 4, the fixed disk 4 is of a disc-shaped structure, a piston rod through hole 5 is arranged in the middle of the fixed disk 4, four moving grooves 11 are uniformly distributed on the top surface of the fixed disk 4 in the downward circumferential direction, an extrusion module 3 with the same structure is arranged in each moving groove 11, taking the rightmost extrusion module 3 as an example, the extrusion module 3 comprises a horizontally arranged moving block 10, a moving block protrusion 12 is arranged at the top of the moving block 10, an extrusion block 7 is arranged at the top of the moving block protrusion 12, an extrusion end 9 arranged leftward is arranged on the left side surface of the extrusion block 7, the extrusion end 9 is of a triangular flat plate type structure, an extrusion block groove 13 is arranged upward on the bottom surface of the extrusion block 7, the shape and the position of the extrusion block groove 13 are matched with the shape and the position of the moving block, a moving block powerful magnet 15 is fixedly arranged on the right side surface of a moving block bulge 12, an extrusion block powerful magnet 14 is fixedly arranged on the right side surface of an extrusion block groove 13, the right side surface of the extrusion block powerful magnet 14 is contacted with the left side surface of the moving block powerful magnet 15, an extrusion block fixing ring 8 is arranged on the upper portion of an extrusion block 7, the extrusion block fixing ring 8 is of a rectangular square frame structure with left and right openings, the opening size of the extrusion block fixing ring 8 is matched with the size of the cross section of the extrusion block 7, the bottom surface of the extrusion block fixing ring 8 is fixedly connected with the top surface of a fixed disc 4, a screw fixing frame 6 is arranged at the right side relative position of the moving block 10, the screw fixing frame 6 is of a rectangular square frame structure with upper and lower openings, the position of the screw fixing frame 6 corresponds to the position of the moving block 10, the left, the screw penetrates through the right side surface of the screw fixing frame 6, and the left end of the screw is in contact with the right side surface of the moving block 10. The piston rod through hole 5 is internally provided with a vertically arranged piston rod 1, the outer side surface of the piston rod 1 is provided with threads, the outer side surface of the piston rod 1 is provided with a restoring valve nut 2, the restoring valve nut 2 is of a cylindrical sleeve structure with a vertical through hole in the middle, the restoring valve nut 2 is provided with internal threads in the through hole in the middle, the piston rod 1 is fixedly connected with the restoring valve nut 2 through the threads, the diameter of the piston rod through hole 5 is larger than the maximum diameter of the restoring valve nut 2, the shape of the side wall of the moving groove 11 is matched with that of the side wall of the moving block 10, the width of the moving groove 11 is matched with that of the moving block 10, the length of the screw is longer than that of the moving groove 11, the length of the extrusion block 7.
The working process is as follows: installing a reset valve nut 2 on a piston rod 1 through threads, enabling the piston rod 1 to penetrate through a piston rod through hole 5, enabling the position of the reset valve nut 2 to correspond to the position of an extrusion module 3, taking the rightmost extrusion module 3 as an example, rotating screws on all extrusion modules 3, enabling the screws to integrally and slowly move leftwards, enabling the left end of each screw to push a moving block 10 to move leftwards, enabling the moving block 10 to drive a moving block strong magnet 15 to move leftwards, enabling the moving block strong magnet 15 to generate a leftward pulling force on an extrusion block strong magnet 14 through magnetic force, enabling the extrusion block strong magnet 14 to drive an extrusion block 7 to move leftwards, enabling the extrusion block 7 to push an extrusion end 9 to move leftwards, enabling the extrusion block 7 to always keep horizontal advancing through the limit of an extrusion block fixing ring 8 in the moving process, and finally enabling all extrusion blocks 7 on a fixed disk 4, the tips of the extrusion ends 9 on all the extrusion modules 3 are contacted with the outer side wall of the reset valve nut 2, the screws are continuously screwed, all the extrusion ends 9 continuously generate extrusion force on the reset valve nut 2 to enable the reset valve nut 2 to generate deformation, the internal threads inside the reset valve nut 2 and the external threads outside the piston rod 1 generate deformation together, the reset valve nut 2 and the piston rod 1 are riveted together to achieve the anti-backing and anti-loosening effect of the reset valve nut 2, the screws are continuously screwed at the moment, the force applied by the extrusion ends 9 on the outer side wall of the reset valve nut 2 is larger and larger, when the force requirement required by riveting is met, the mutual attraction force of the extrusion block powerful magnet 14 and the moving block powerful magnet 15 reaches the upper limit, the extrusion block powerful magnet 14 is separated from the moving block powerful magnet 15, the moving block 10 does not drive the extrusion block 7 to clamp the reset valve nut 2, and the effect of protecting the reset valve nut 2 and the piston rod 1 from being excessively riveted is achieved.
Claims (5)
1. The four-point riveting anti-loosening device for the reset valve nut is characterized in that: the extrusion device comprises a fixed disc (4), the fixed disc (4) is of a disc-shaped structure, a piston rod through hole (5) is formed in the middle of the fixed disc (4), four moving grooves (11) are uniformly distributed in the downward circumferential direction of the top surface of the fixed disc (4), an extrusion module (3) with the same structure is arranged in each moving groove (11), the rightmost extrusion module (3) is taken as an example, each extrusion module (3) comprises a horizontally arranged moving block (10), a moving block protrusion (12) is arranged at the top of each moving block (10), an extrusion block (7) is arranged at the top of each moving block protrusion (12), an extrusion end head (9) arranged leftwards is arranged on the left side of each extrusion block (7), each extrusion end head (9) is of a triangular flat plate type structure, an extrusion block groove (13) is upwards formed in the bottom surface of each extrusion block (7, The positions of the extrusion block (7) and the moving block (10) are matched with each other, the extrusion block (7) and the moving block (10) horizontally move through the matching of an extrusion block groove (13) and a moving block bulge (12), a moving block powerful magnet (15) is fixedly arranged on the right side surface of the moving block bulge (12), an extrusion block powerful magnet (14) is fixedly arranged on the right side surface of the extrusion block groove (13), the right side surface of the extrusion block powerful magnet (14) is contacted with the left side surface of the moving block powerful magnet (15), an extrusion block fixing ring (8) is arranged on the upper portion of the extrusion block (7), the extrusion block fixing ring (8) is of a rectangular square frame structure with left and right openings, the opening size of the extrusion block fixing ring (8) is matched with the size of the cross section of the extrusion block (7), the bottom surface of the extrusion block fixing ring (8) is fixedly connected with the top surface of a fixed disk (, the screw fixing frame (6) corresponds to the moving block (10), the left side of the screw fixing frame (6) is fixedly connected with the side face of the fixed disc (4), a threaded horizontal through hole is arranged in the middle of the right side of the screw fixing frame (6) at a relative position, a horizontally arranged screw is arranged in the horizontal through hole, the screw penetrates through the right side face of the screw fixing frame (6), and the left end of the screw is in contact with the right side face of the moving block (10).
2. The recovery valve nut pressing four-point riveting anti-loosening device as claimed in claim 1, wherein: piston rod (1) that piston rod through-hole (5) inside was equipped with vertical arrangement, piston rod (1) lateral surface is equipped with the screw thread, piston rod (1) lateral surface is equipped with recovered valve nut (2), recovered valve nut (2) are the cylindrical sleeve shape structure that the middle part was equipped with vertical through-hole, recovered valve nut (2), be equipped with the internal thread in the through-hole of middle part, piston rod (1) passes through thread fixed connection with recovered valve nut (2), the diameter of piston rod through-hole (5) is greater than the maximum diameter of recovered valve nut (2).
3. The recovery valve nut pressing four-point riveting anti-loosening device as claimed in claim 1, wherein: the shape of the side wall of the moving groove (11) is matched with the shape of the side wall of the moving block (10), and the width of the moving groove (11) is matched with the width of the moving block (10).
4. The recovery valve nut pressing four-point riveting anti-loosening device as claimed in claim 1, wherein: the screw length is longer than the length of the moving groove (11).
5. The recovery valve nut pressing four-point riveting anti-loosening device as claimed in claim 1, wherein: the length of the extrusion block (7) is longer than that of the moving block (10), and the bottom of the moving block (10) is provided with a moving block oil groove (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020206237.6U CN211803274U (en) | 2020-02-25 | 2020-02-25 | Reset valve nut four-point riveting anti-loosening device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020206237.6U CN211803274U (en) | 2020-02-25 | 2020-02-25 | Reset valve nut four-point riveting anti-loosening device |
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| Publication Number | Publication Date |
|---|---|
| CN211803274U true CN211803274U (en) | 2020-10-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020206237.6U Active CN211803274U (en) | 2020-02-25 | 2020-02-25 | Reset valve nut four-point riveting anti-loosening device |
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|---|---|
| CN (1) | CN211803274U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114570840A (en) * | 2022-02-14 | 2022-06-03 | 河南省鼎润科技实业有限公司 | Riveting machine all around |
-
2020
- 2020-02-25 CN CN202020206237.6U patent/CN211803274U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114570840A (en) * | 2022-02-14 | 2022-06-03 | 河南省鼎润科技实业有限公司 | Riveting machine all around |
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