CN220185807U - High-connection-strength piston pin - Google Patents
High-connection-strength piston pin Download PDFInfo
- Publication number
- CN220185807U CN220185807U CN202320967421.6U CN202320967421U CN220185807U CN 220185807 U CN220185807 U CN 220185807U CN 202320967421 U CN202320967421 U CN 202320967421U CN 220185807 U CN220185807 U CN 220185807U
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- piston pin
- screw thread
- fixedly connected
- thread post
- connection
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- 230000007246 mechanism Effects 0.000 claims description 13
- 239000011148 porous material Substances 0.000 claims description 2
- 210000000707 wrist Anatomy 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 3
- 238000011900 installation process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
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Abstract
The utility model relates to a piston pin with high connection strength. Including the piston pin, the bell mouth has been seted up at the both ends of piston pin, the straight hole has been seted up to the inside of piston pin, the straight hole communicates with each other with two bell mouths, the inside of piston pin is provided with fixed establishment, fixed establishment is including first L shape support, carousel, first handle, screw thread post, two movable columns and four fixed blocks, the front surface and the screw thread post fixed connection of carousel, be located the place ahead the middle part of movable column is equipped with the circular hole separately, is located the rear the middle part of movable column is equipped with the screw hole separately, screw thread post and screw hole screw thread cup joint, screw thread post and circular hole fixed connection, every the upper and lower both ends of movable column all cup joint with similar fixed block activity, and the device can be fine fixed connecting rod, makes the connecting rod be difficult to slide, has improved the stability of piston motion.
Description
Technical Field
The utility model relates to the technical field related to piston movement, in particular to a piston pin with high connection strength.
Background
The piston pin is a cylindrical pin mounted to the piston skirt. The middle part of the piston penetrates through the small end hole of the connecting rod to connect the piston and the connecting rod, and the piston is used for transmitting the gas acting force born by the piston to the connecting rod or enabling the small end of the connecting rod to drive the piston to move together. In order to reduce the weight, the piston pin is generally made of high-quality alloy steel, is hollow and has high rigidity.
The interior of the piston pin is formed by combining a conical hole and a cylindrical hole, and the piston pin is easy to process, has high rigidity and light weight. When the piston pin is used, the connecting rod needs to be sleeved on the piston pin, but the connecting rod can slide on the piston pin, so that the piston movement is problematic, and if the connecting rod can be fixed on the piston pin, the connecting rod cannot slide easily, so that the stability of the piston movement is greatly improved, and therefore, the piston pin with high connection strength is provided.
Disclosure of Invention
In order to overcome the defects in the prior art, the utility model provides a piston pin with high connection strength.
In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a high joint strength piston pin, includes the piston pin, the bell mouth has been seted up at the both ends of piston pin, the straight hole has been seted up to the inside of piston pin, the straight hole communicates with each other with two bell mouths, the inside of piston pin is provided with fixed establishment, fixed establishment is including first L shape support, carousel, first handle, screw thread post, two movable columns and four fixed blocks, the front surface and the screw thread post fixed connection of carousel, the rear surface and the horizontal pole rotation of first L shape support are connected, the montant part and the pore wall fixed connection that is located the bell mouth of rear, the place ahead the mid portion of movable column is equipped with the circular hole separately, the place ahead the mid portion of movable column is equipped with the screw hole separately, screw thread post and screw thread cup joint, screw thread post and circular hole fixed connection, every the upper and lower both ends of movable column all cup joint with similar fixed block activity, the rear surface and the first handle fixed connection of carousel.
As a preferable technical scheme of the utility model, rectangular grooves are formed in the upper end and the lower end of the side surface of the piston pin, each fixing block is movably clamped with a similar rectangular groove, two limiting sleeves are movably sleeved on the side surface of each threaded column, two limiting columns are fixedly connected to the side surface of each limiting sleeve, one end, far away from the threaded column, of each limiting column is fixedly connected with the wall of a similar straight hole, a telescopic mechanism is arranged between the two fixing blocks located above and the two fixing blocks located below, each telescopic mechanism comprises a telescopic sleeve and a telescopic rod, the rear end of each telescopic sleeve is fixedly connected with the corresponding fixing block, the front end of each telescopic rod is fixedly connected with the corresponding fixing block, and each telescopic sleeve is movably sleeved with the corresponding telescopic rod.
As a preferable technical scheme of the utility model, a lifting mechanism is arranged in the conical hole at the front, the lifting mechanism comprises a second L-shaped rod, a main gear, a second handle, two auxiliary gears and two L-shaped connecting rods, the vertical rod part of the second L-shaped rod is fixedly connected with the wall of the conical hole, the transverse rod part of the second L-shaped rod is rotationally connected with the main gear, the upper end and the lower end of the main gear are respectively meshed with the two auxiliary gears, the middle of each auxiliary gear is in threaded sleeve joint with the vertical rod part of the adjacent L-shaped connecting rod, the transverse rod part of each L-shaped connecting rod is fixedly connected with the adjacent fixed block, and the lower surface of each auxiliary gear is movably contacted with two supporting frames.
Compared with the prior art, the utility model has the advantages that:
when the connecting rod is sleeved on the piston pin, the rotary table is rotated through the first handle, the rotary table drives the threaded column to rotate, the movable column positioned at the rear moves forwards through threads, and accordingly the fixing blocks are driven to move forwards, and finally the connecting rod is firmly clamped by the four fixing blocks, so that the connecting rod is fixed. The device can well fix the connecting rod, so that the connecting rod cannot easily slide, and the stability of the movement of the piston is improved.
When the piston pin is arranged in the piston structure, the second handle is rotated to drive the main gear to rotate, the main gear drives the two auxiliary gears to rotate, the two L-shaped connecting rods simultaneously move towards the center through the threaded structure, the fixing blocks are driven to move towards the inside of the piston pin, and the four fixing blocks simultaneously move inwards through the telescopic structure. The device can enable the fixed block to be retracted into the piston pin, prevents the fixed block from affecting the installation of the piston pin, and improves the convenience of the installation process.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic structural view of a fixing structure according to the present utility model;
FIG. 3 is a schematic view of a lifting structure according to the present utility model;
fig. 4 is a schematic structural diagram of a telescopic structure of the present utility model.
Wherein: 1. a piston pin; 2. rectangular grooves; 3. a fixed block; 4. a tapered bore; 5. a straight hole; 6. a turntable; 7. a first L-shaped bracket; 8. a threaded column; 9. a limit sleeve; 10. a limit column; 11. a movable column; 12. a first handle; 13. a telescopic sleeve; 14. a telescopic rod; 15. a main gear; 16. a second L-shaped rod; 17. a second handle; 18. a pinion gear; 19. an L-shaped connecting rod; 20. a threaded hole; 21. a circular hole.
Description of the embodiments
As shown in fig. 1, 2, 3 and 4, a piston pin with high connection strength comprises a piston pin 1, wherein conical holes 4 are formed at two ends of the piston pin 1, a straight hole 5 is formed in the piston pin 1, the straight hole 5 is communicated with the two conical holes 4, a fixing mechanism is arranged in the piston pin 1 and comprises a first L-shaped bracket 7, a rotary table 6, a first handle 12 and a threaded column 8, two movable columns 11 and four fixing blocks 3, the front surface of the rotary table 6 is fixedly connected with the threaded column 8, the rear surface of the rotary table 6 is rotationally connected with a cross rod of the first L-shaped bracket 7, a vertical rod part of the first L-shaped bracket 7 is fixedly connected with the wall of the conical hole 4 at the rear, a round hole 21 is formed in the middle part of the movable column 11 at the front, a threaded hole 20 is formed in the middle part of the movable column 11 at the rear, the threaded column 8 is in threaded sleeve joint with the threaded hole 20, the screw thread post 8 is fixedly connected with the round hole 21, the upper end and the lower end of each movable post 11 are movably sleeved with the similar fixed blocks 3, the rear surface of the rotary table 6 is fixedly connected with the first handle 12, the upper end and the lower end of the side surface of the piston pin 1 are respectively provided with a rectangular groove 2, each fixed block 3 is movably clamped with the similar rectangular groove 2, the side surface of the screw thread post 8 is movably sleeved with two limit sleeves 9, the side surface of each limit sleeve 9 is fixedly connected with two limit posts 10, one end of each limit post 10 away from the screw thread post 8 is fixedly connected with the hole wall of the similar straight hole 5, a telescopic mechanism is arranged between the two fixed blocks 3 positioned above and the two fixed blocks 3 positioned below, the telescopic mechanism comprises a telescopic sleeve 13 and a telescopic rod 14, the rear end of each telescopic sleeve 13 is fixedly connected with the similar fixed blocks 3, the front end of each telescopic rod 14 is fixedly connected with the corresponding fixed block 3, each telescopic sleeve 13 is movably sleeved with the corresponding telescopic rod 14, after the connecting rod is sleeved on the piston pin 1, the rotary table 6 is rotated through the first handle 12, the rotary table 6 drives the threaded column 8 to rotate, the movable column 11 positioned at the rear is moved forwards through threads, the fixed block 3 is driven to move forwards, and finally the connecting rod is firmly clamped by the four fixed blocks 3, so that the connecting rod is fixed. The device can well fix the connecting rod, so that the connecting rod cannot slide easily, and the stability of the movement of the piston is improved.
The inside of the taper hole 4 at the front is provided with a lifting mechanism, the lifting mechanism comprises a second L-shaped rod 16, a main gear 15, a second handle 17, two auxiliary gears 18 and two L-shaped connecting rods 19, the vertical rod part of the second L-shaped rod 16 is fixedly connected with the hole wall of the taper hole 4, the transverse rod part of the second L-shaped rod 16 is rotationally connected with the main gear 15, the upper end and the lower end of the main gear 15 are respectively meshed with the two auxiliary gears 18, the middle of each auxiliary gear 18 is in threaded sleeve joint with the vertical rod part of the adjacent L-shaped connecting rod 19, the transverse rod part of each L-shaped connecting rod 19 is fixedly connected with the adjacent fixed block 3, the lower surface of each auxiliary gear 18 is movably contacted with two supporting frames, when the piston pin 1 is installed in a piston structure, the second handle 17 is rotated to drive the main gear 15 to rotate, the two auxiliary gears 18 are driven to rotate, the two L-shaped connecting rods 19 are simultaneously moved towards the center through a threaded structure, the fixed block 3 is driven to move inwards the piston pin 1, and four fixed blocks 3 are simultaneously moved inwards through a telescopic structure. The device can enable the fixed block 3 to be retracted into the piston pin 1, prevent the fixed block 3 from affecting the installation of the piston pin 1, and improve the convenience of the installation process.
The working process of the utility model is as follows: the first step: when the piston pin 1 is used, the connecting rod needs to be sleeved on the piston pin 1, and when the piston moves, the connecting rod is driven to move through the piston pin 1, but the connecting rod is sleeved on the piston pin 1 and possibly slides, so that the problem in the moving process is solved by adding the fixing mechanism. After the connecting rod is sleeved on the piston pin 1, the rotary table 6 is rotated through the first handle 12, the rotary table 6 drives the threaded column 8 to rotate, the movable column 11 positioned at the rear moves forwards through threads, so that the fixed block 3 is driven to move forwards, finally the four fixed blocks 3 clamp the connecting rod firmly, the connecting rod is fixed, the connecting rod is well fixed, the connecting rod is not easy to slide, and the stability of piston movement is improved.
And a second step of: when the piston pin 1 is arranged in a piston structure, the second handle 17 is rotated to drive the main gear 15 to rotate, the main gear 15 drives the two auxiliary gears 18 to rotate, the two L-shaped connecting rods 19 are simultaneously moved to the center through the threaded structure, the fixed blocks 3 are driven to move towards the inside of the piston pin 1, and the four fixed blocks 3 are simultaneously moved inwards through the telescopic structure. The device can enable the fixed block 3 to be retracted into the piston pin 1, prevent the fixed block 3 from affecting the installation of the piston pin 1, and improve the convenience of the installation process.
The embodiments of the present utility model have been described in detail with reference to the drawings, but the present utility model is not limited thereto, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present utility model.
Claims (6)
1. The utility model provides a high joint strength piston pin, includes piston pin (1), its characterized in that, bell mouth (4) have been seted up at the both ends of piston pin (1), straight hole (5) have been seted up to the inside of piston pin (1), straight hole (5) communicate with each other with two bell mouth (4), the inside of piston pin (1) is provided with fixed establishment, fixed establishment is including first L shape support (7), carousel (6), first handle (12), screw thread post (8), two movable posts (11) and four fixed blocks (3), the front surface and the screw thread post (8) fixed connection of carousel (6), the rear surface and the horizontal pole rotation of first L shape support (7) of carousel (6) are connected, the montant portion of first L shape support (7) is with the pore wall fixed connection of bell mouth (4) at the rear, the intermediate part of movable post (11) at the place ahead is equipped with circular hole (21) separately, the intermediate part of movable post (11) at the rear is equipped with separately screw thread post (20), the screw thread post (20) are cup jointed with screw thread post (8) on each time, the screw thread post (20) is connected with screw thread (3), the rear surface of the rotary disc (6) is fixedly connected with the first handle (12).
2. The high-connection-strength piston pin according to claim 1, wherein rectangular grooves (2) are formed in the upper end and the lower end of the side surface of the piston pin (1), and each fixing block (3) is movably clamped with the adjacent rectangular groove (2).
3. The high-connection-strength piston pin according to claim 1, wherein two limiting sleeves (9) are movably sleeved on the side surfaces of the threaded columns (8), two limiting columns (10) are fixedly connected to the side surfaces of each limiting sleeve (9), and one end, far away from the threaded columns (8), of each limiting column (10) is fixedly connected with the wall of a similar straight hole (5).
4. The high-connection-strength piston pin according to claim 1, wherein telescopic mechanisms are arranged between the two fixing blocks (3) located above and the two fixing blocks (3) located below, each telescopic mechanism comprises a telescopic sleeve (13) and a telescopic rod (14), the rear end of each telescopic sleeve (13) is fixedly connected with the corresponding fixing block (3), the front end of each telescopic rod (14) is fixedly connected with the corresponding fixing block (3), and each telescopic sleeve (13) is movably sleeved with the corresponding telescopic rod (14).
5. A high connection strength wrist pin according to claim 1, characterized in that the interior of the conical bore (4) at the front is provided with a lifting mechanism comprising a second L-shaped bar (16), a main gear (15), a second handle (17), two pinion gears (18) and two L-shaped connecting bars (19).
6. The high-connection-strength piston pin according to claim 5, wherein a vertical rod portion of the second L-shaped rod (16) is fixedly connected with a hole wall of the conical hole (4), a cross rod portion of the second L-shaped rod (16) is rotatably connected with the main gear (15), the upper end and the lower end of the main gear (15) are respectively meshed with the two auxiliary gears (18), the middle of each auxiliary gear (18) is in threaded sleeve connection with a vertical rod portion of a similar L-shaped connecting rod (19), the cross rod portion of each L-shaped connecting rod (19) is fixedly connected with a similar fixing block (3), and two supporting frames are movably contacted with the lower surface of each auxiliary gear (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320967421.6U CN220185807U (en) | 2023-04-26 | 2023-04-26 | High-connection-strength piston pin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320967421.6U CN220185807U (en) | 2023-04-26 | 2023-04-26 | High-connection-strength piston pin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220185807U true CN220185807U (en) | 2023-12-15 |
Family
ID=89115171
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320967421.6U Active CN220185807U (en) | 2023-04-26 | 2023-04-26 | High-connection-strength piston pin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220185807U (en) |
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2023
- 2023-04-26 CN CN202320967421.6U patent/CN220185807U/en active Active
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