CN219139534U - Piston rod with anti-rotation structure - Google Patents
Piston rod with anti-rotation structure Download PDFInfo
- Publication number
- CN219139534U CN219139534U CN202320221367.0U CN202320221367U CN219139534U CN 219139534 U CN219139534 U CN 219139534U CN 202320221367 U CN202320221367 U CN 202320221367U CN 219139534 U CN219139534 U CN 219139534U
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- piston rod
- locking pin
- piston
- seat
- limiting block
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Abstract
The utility model discloses a piston rod with an anti-rotation structure, which comprises a piston rod mechanism, a piston seat and a limiting block, wherein the piston seat is positioned at the output end position of the piston rod mechanism, a chute with symmetrical positions is preset in the piston rod mechanism, a locking pin is connected in the chute, a spring is arranged between the locking pin and the chute, and a movable groove and a guide groove are formed in the piston seat. This take piston rod of anti-rotation structure through setting up the stopper in the piston seat inside, and the stopper is equipped with loose axle and torsional spring, and when locking pin front end and stopper front end mutually paste, can prevent that the piston rod from taking place to rotate to the locking through extruded mode, ensures the stability that the piston rod used.
Description
Technical Field
The utility model relates to the technical field of piston rods, in particular to a piston rod with an anti-rotation structure.
Background
The piston rod is a connecting component for supporting the piston to do work, most of the piston rod is applied to the cylinder and cylinder motion executing component and is a motion component with frequent motion and high technical requirements, so that a piston rod anti-rotation device of the cylinder is needed.
The prior art publication No. CN202937441U provides a connection structure of a paste pump material cylinder piston rod and a hydraulic cylinder piston rod, and the scheme can realize the connection structure and has the advantages of simple structure, convenient disassembly and assembly, and capability of preventing eccentric wear of the material cylinder piston, but when the prior art CN202937441U is used, the structure is relatively fixed and is not easy to adjust, so that the practicability of the device is reduced;
the guide device is arranged outside the hydraulic cylinder in the prior art, and the problem can be solved, but the mechanical structure is huge and heavy;
the advanced technology level adopts a non-circular piston rod section, and a circular piston rod or a cylinder barrel is changed into a precise cold-drawn special-shaped section, such as a square, a hexagon, a triangle or a oblate, so as to achieve the anti-rotation purpose of the piston rod;
besides the relatively high technical level, the manufacturing of various sealing elements is relatively complex, the cost is high, and the sealing and using effects are poor, so that the development of the piston rod with the anti-rotation structure, which can prevent the piston rod from rotating under the action of external force, ensures special processing requirements, has a simple structure, is convenient to process, improves the processing efficiency and reduces the processing cost, is needed.
Disclosure of Invention
The utility model aims to provide a piston rod with an anti-rotation structure, which solves the problems that the piston rod can be prevented from rotating under the action of external force, special processing requirements are guaranteed, meanwhile, the structure is simple, the processing is convenient, the processing efficiency is improved, and the processing cost is reduced.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a take piston rod of anti-rotation structure, includes piston rod mechanism, piston seat and stopper, the piston seat is located the output position of piston rod mechanism, the inside spout that has preset a position symmetry of piston rod mechanism, spout internally connected with the locking pin, be equipped with the spring between locking pin and the spout, movable groove and guide way have been seted up to the piston seat inside.
As the preferable technical scheme of the utility model, the piston rod mechanism is movably connected with the piston seat, and the inner surface of the top end of the piston seat is in a circular arc structure.
By adopting the technical scheme, the piston structure is more convenient to install by the connection mode of the piston rod mechanism and the piston seat, only the piston structure is required to vertically correspond, and the piston structure is convenient to guide into a designated position according to the constellation structure of the piston seat, plays an auxiliary installation role, and reduces friction.
As the preferable technical scheme of the utility model, the locking pin is in sliding connection with the chute, and the locking pin is in fitting sliding connection with the piston seat.
By adopting the technical scheme, a buffer space is reserved between the locking pin and the sliding groove, when the locking pin is attached to the top end of the piston seat, the locking pin can slide along the inner wall of the top end of the piston seat, the spring is extruded by the locking pin in the sliding process, and the locking pin is ejected out when corresponding to the position of the guide groove, so that the installation work is facilitated.
As the preferable technical scheme of the utility model, a movable shaft is connected between the limiting block and the piston seat, the limiting block is movably connected with the locking pin, and the front end of the locking pin is of a V-shaped structure.
By adopting the technical scheme, the locking pin can push the limiting block in the telescopic process, and the limiting block rotates under the action of the movable shaft, so that the connecting ends of the limiting block and the locking pin are mutually clamped, a locking braking effect is formed, and the piston rod is prevented from rotating.
As the preferable technical scheme of the utility model, a torsion spring is arranged between the limiting block and the movable groove, and the front end and the rear end of the limiting block are respectively in an arc-shaped structure and a V-shaped structure.
By adopting the technical scheme, the torsion spring is arranged to increase the fitting degree of the limiting block and the locking pin, so that the stress between the limiting block and the locking pin is more uniform, dislocation during installation is avoided, and the overall stability is improved.
Compared with the prior art, the utility model has the beneficial effects that: the piston rod with the anti-rotation structure comprises:
1. through set up the stopper in the piston seat inside, and the stopper is equipped with loose axle and torsional spring, when locking pin front end and stopper front end mutually paste, can lock through extruded mode, prevent that the piston rod from taking place to rotate, ensure the stability that the piston rod used.
Drawings
FIG. 1 is a schematic view of the internal front view of the piston rod mechanism of the present utility model;
FIG. 2 is a schematic top view of the interior of the piston seat of the present utility model;
FIG. 3 is a schematic perspective view of a piston rod mechanism according to the present utility model;
FIG. 4 is a schematic view of the internal top view cross section of the stopper of the present utility model.
In the figure: 1. a piston rod mechanism; 2. a piston seat; 3. a chute; 4. a locking pin; 5. a spring; 6. a limiting block; 7. a movable shaft; 8. a torsion spring; 9. a movable groove; 10. a guide groove.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides a take piston rod of anti-rotation structure, includes piston rod mechanism 1, piston seat 2 and stopper 6, and piston seat 2 is located the output position of piston rod mechanism 1, and piston rod mechanism 1 is inside to be equipped with 2 symmetrical spout 3 in position in advance, and spout 3 internally connected has locking pin 4, is equipped with spring 5 between locking pin 4 and the spout 3, and piston seat 2 is inside to be offered movable groove 9 and guide way 10.
As the preferable technical scheme of the utility model, the piston rod mechanism 1 is movably connected with the piston seat 2, and the inner surface of the top end of the piston seat 2 is in a circular arc structure.
By adopting the technical scheme, the piston structure is more convenient to install by the connection mode of the piston rod mechanism 1 and the piston seat 2, only the piston structure is required to vertically correspond, and the piston structure is convenient to be guided into a designated position according to the constellation structure of the piston seat 2, plays an auxiliary installation role, and reduces friction.
As a preferable technical scheme of the utility model, the locking pin 4 is in sliding connection with the chute 3, the locking pin 4 is in fitting sliding connection with the piston seat 2, a buffer space is reserved between the locking pin 4 and the chute 3, when the locking pin 4 is fitted with the top end of the piston seat 2, the locking pin 4 slides along the inner wall of the top end of the piston seat 2, the locking pin 4 presses the spring 5 in the sliding process, and pops out when the locking pin 4 corresponds to the guide groove 10 in position, so that the installation work is facilitated.
A movable shaft 7 is connected between the limiting block 6 and the piston seat 2, the limiting block 6 is movably connected with the locking pin 4, the front end of the locking pin 4 is of a V-shaped structure, the locking pin 4 can push the limiting block 6 in the telescopic process, and the limiting block 6 rotates under the action of the movable shaft 7, so that the connecting ends of the limiting block 6 and the locking pin 4 are mutually clamped, a locking braking effect is formed, and the piston rod is prevented from rotating.
The torsional spring 8 is arranged between the limiting block 6 and the movable groove 9, the front end and the rear end of the limiting block 6 are respectively in an arc-shaped structure and a V-shaped structure, the torsional spring 8 is arranged to increase the fitting degree of the limiting block 6 and the locking pin 4, stress between the limiting block 6 and the locking pin is more uniform, dislocation during installation is avoided, and overall stability is improved.
Working principle: when the piston rod with the anti-rotation structure is used, firstly, installation work is carried out, the piston rod mechanism 1 is vertically inserted into the piston seat 2, one end of the locking pin 4 slides along the inner surface of the top end of the piston seat 2, the locking pin 4 is in a compressed state in the sliding groove 3, when the sliding groove 3 horizontally corresponds to the position of the guide groove 10, the locking pin 4 is sprung into the guide groove 10 and the movable groove 9 under the action of the spring 5, the limiting block 6 is pushed to rotate by taking the movable shaft 7 as a central point, the movable shaft 7 and the locking pin 4 are mutually attached and limited, so that the installation step of the piston rod is completed, the axial limiting is carried out, the piston rod can be prevented from rotating, and the overall practicability is improved.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a take piston rod of anti-rotation structure, its characterized in that, including piston rod mechanism (1), piston seat (2) and stopper (6), piston seat (2) are located the output position of piston rod mechanism (1), inside spout (3) that are equipped with 2 position symmetries in advance of piston rod mechanism (1), spout (3) internally connected with locking pin (4), be equipped with spring (5) between locking pin (4) and spout (3), movable groove (9) and guide way (10) have been seted up to piston seat (2) inside.
2. A piston rod with anti-rotation structure according to claim 1, characterized in that: the piston rod mechanism (1) is movably connected with the piston seat (2), and the inner surface of the top end of the piston seat (2) is of a circular arc structure.
3. A piston rod with anti-rotation structure according to claim 1, characterized in that: the locking pin (4) is in sliding connection with the sliding groove (3), and the locking pin (4) is in fitting sliding connection with the piston seat (2).
4. A piston rod with anti-rotation structure according to claim 1, characterized in that: a movable shaft (7) is connected between the limiting block (6) and the piston seat (2), the limiting block (6) is movably connected with the locking pin (4), and the front end of the locking pin (4) is of a V-shaped structure.
5. A piston rod with anti-rotation structure according to claim 1, characterized in that: a torsion spring (8) is arranged between the limiting block (6) and the movable groove (9), and the front end and the rear end of the limiting block (6) are respectively in an arc-shaped structure and a V-shaped structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320221367.0U CN219139534U (en) | 2023-02-15 | 2023-02-15 | Piston rod with anti-rotation structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320221367.0U CN219139534U (en) | 2023-02-15 | 2023-02-15 | Piston rod with anti-rotation structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219139534U true CN219139534U (en) | 2023-06-06 |
Family
ID=86601593
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320221367.0U Active CN219139534U (en) | 2023-02-15 | 2023-02-15 | Piston rod with anti-rotation structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219139534U (en) |
-
2023
- 2023-02-15 CN CN202320221367.0U patent/CN219139534U/en active Active
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