CN220396208U - Wear-resisting type connecting pin with additional strengthening - Google Patents
Wear-resisting type connecting pin with additional strengthening Download PDFInfo
- Publication number
- CN220396208U CN220396208U CN202321574060.5U CN202321574060U CN220396208U CN 220396208 U CN220396208 U CN 220396208U CN 202321574060 U CN202321574060 U CN 202321574060U CN 220396208 U CN220396208 U CN 220396208U
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- resistant
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- 238000005728 strengthening Methods 0.000 title description 2
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 37
- 239000010959 steel Substances 0.000 claims abstract description 37
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 25
- 238000005260 corrosion Methods 0.000 claims abstract description 9
- 238000001125 extrusion Methods 0.000 claims description 3
- 230000002787 reinforcement Effects 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 239000011248 coating agent Substances 0.000 claims 1
- 238000000576 coating method Methods 0.000 claims 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to the field of connecting pin shafts, and particularly discloses a wear-resistant connecting pin shaft with a reinforcing structure, which comprises the following components: the steel cylinder is cylindrical, the reinforcing layer is welded on the outer wall of the steel cylinder, the wear-resistant layer is arranged on the outer wall of the reinforcing layer, and the anti-corrosion layer is sprayed on the outer wall of the wear-resistant layer; channels are symmetrically formed on the side walls of the lower ends of the steel cylinder, the reinforcing layer and the wear-resistant layer, limiting blocks are slidably connected in the two channels, and the front side and the rear side of the inner ends of the two limiting blocks are connected through springs; the steel cylinder is rotationally connected with a threaded rod, the outer wall of the lower end of the threaded rod is in threaded connection with a threaded cylinder, the lower end of the threaded cylinder is fixedly provided with a conical head, the steel cylinder, the reinforcing layer, the wear-resisting layer and the anti-corrosion layer form a shaft pin, and the wear resistance and the strength of the shaft pin are improved; one or two adjusting blocks can be sleeved on the shaft pin according to the parts with different thicknesses, so that the use of parts with the same thickness is satisfied.
Description
Technical Field
The utility model relates to the field of connecting pin shafts, in particular to a wear-resistant connecting pin shaft with a reinforcing structure.
Background
The pin shaft is a standardized fastener, can be fixedly connected in a static state and can also relatively move with a connected piece, is mainly used for the hinge joint of two parts to form hinge connection, and when the pin shaft is installed, the pin body needs to be aligned and inserted into the installation hole of the part, and then the pin shaft is locked.
The existing pin shaft is simple in structure, when the parts rotate relative to the pin shaft, the pin shaft is easy to wear, when the pin body is inserted into the mounting holes on the parts, the pin shaft is required to be manually locked, the operation is inconvenient, and the parts with different thicknesses cannot be met when the pin body is required to be used.
Disclosure of Invention
The utility model aims to provide a wear-resistant connecting pin shaft with a reinforcing structure, so as to solve the problems in the prior art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a wear-resistant connection pin with reinforcement structure, comprising: the steel cylinder is cylindrical, the reinforcing layer is welded on the outer wall of the steel cylinder, the wear-resistant layer is arranged on the outer wall of the reinforcing layer, and the anti-corrosion layer is sprayed on the outer wall of the wear-resistant layer;
channels are symmetrically formed on the side walls of the lower ends of the steel cylinder, the reinforcing layer and the wear-resistant layer, limiting blocks are slidably connected in the two channels, and the front side and the rear side of the inner ends of the two limiting blocks are connected through springs;
the steel cylinder is rotationally connected with a threaded rod, the outer wall of the lower end of the threaded rod is connected with a threaded cylinder in a threaded mode, the lower end of the threaded cylinder is fixedly provided with a conical head, and the lower end of the conical head is located between the two limiting blocks.
Preferably, a baffle is fixedly arranged on the side wall of the bottom end of the steel cylinder, the baffle is in a ring shape, and an inner port of the baffle is communicated with an upper port of the steel cylinder.
Preferably, the upper end of baffle has seted up protruding type groove, is equipped with the apron in the protruding type groove, fixed mounting has the rubber circle on the outer end lateral wall of apron, and the inboard of protruding type groove is got into through the extrusion to the rubber circle, has symmetrically seted up the finger groove on the lateral wall of the upper end left and right sides of apron, and the upper end rotation of apron is connected with the pull ring.
Preferably, the inner side of the steel cylinder is provided with a bearing, and the outer wall of the bearing is fixedly connected with the inner wall of the steel cylinder.
Preferably, the lower end of the threaded rod penetrates through the bearing and is fixedly connected with the inner wall of the bearing, and the driving head is fixedly arranged at the upper end of the threaded rod.
Preferably, a guide groove is formed in the inner end side wall of the steel cylinder, a guide block is fixedly mounted on the outer wall of the threaded cylinder, and one end of the guide block is in sliding connection with the inner wall of the guide groove.
Preferably, when the spring is in a balanced state, the outer end of the limiting block is positioned at the inner side of the channel.
Preferably, one end of the adjusting block is arc-shaped, and a round hole is formed in the side wall of the adjusting block and is sleeved on the outer wall of the shaft pin in a sliding manner.
Compared with the prior art, the utility model has the beneficial effects that:
the steel cylinder, the reinforcing layer, the wear-resistant layer and the anti-corrosion layer form the shaft pin, so that the wear resistance and the strength of the shaft pin are improved;
one or two adjusting blocks can be sleeved on the shaft pin according to the parts with different thicknesses, so that the use of parts with the same thickness is met, the shaking degree between the parts and between the shaft pin and the parts is reduced, and the friction loss is reduced.
Drawings
FIG. 1 is a perspective view of the overall structure of the present utility model;
FIG. 2 is a perspective view of a portion of the structure of the present utility model;
FIG. 3 is a schematic cross-sectional view of the overall structure of the present utility model;
FIG. 4 is an enlarged view of the area A of FIG. 3 in accordance with the present utility model;
fig. 5 is an enlarged view of the structure of the area B in fig. 3 according to the present utility model.
In the figure: 1. a steel cylinder; 2. a reinforcing layer; 3. a wear-resistant layer; 4. an anti-corrosion layer; 5. a channel; 6. a limiting block; 7. a spring; 8. a baffle; 9. a pull ring; 10. an adjusting block; 11. a bearing; 12. a threaded rod; 13. a thread cylinder; 14. a conical head; 15. a convex groove; 16. a cover plate; 17. a rubber ring; 18. finger grooves.
Detailed Description
In order to make the objects, technical solutions, and advantages of the present utility model more apparent, the embodiments of the present utility model will be further described in detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are some, but not all, embodiments of the present utility model, are intended to be illustrative only and not limiting of the embodiments of the present utility model, and that all other embodiments obtained by persons of ordinary skill in the art without making any inventive effort are within the scope of the present utility model.
Embodiment one:
referring to fig. 1-5, the present utility model provides a technical solution: a wear-resistant connection pin with reinforcement structure, comprising: the steel cylinder 1, the reinforcing layer 2, the wear-resistant layer 3, the anti-corrosion layer 4 and the regulating block 10, wherein the reinforcing layer 2 is cylindrical and is welded on the outer wall of the steel cylinder 1, the wear-resistant layer 3 is arranged on the outer wall of the reinforcing layer 2, the anti-corrosion layer 4 is sprayed on the outer wall of the wear-resistant layer 3, the steel cylinder 1, the reinforcing layer 2, the wear-resistant layer 3 and the anti-corrosion layer 4 form a shaft pin, the baffle plate 8 is fixedly arranged on the side wall of the bottom end of the steel cylinder 1, the baffle plate 8 is circular, the inner port of the baffle plate 8 is communicated with the upper port of the steel cylinder 1, and the wear resistance and the strength of the shaft pin are enhanced; the steel cylinder 1, the reinforcing layer 2 and the wear-resistant layer 3 are symmetrically provided with channels 5 on the side walls of the lower ends, limiting blocks 6 are slidably connected in the two channels 5, and the front side and the rear side of the inner ends of the two limiting blocks 6 are connected through springs 7; the steel cylinder 1 is rotationally connected with a threaded rod 12, the outer wall of the lower end of the threaded rod 12 is in threaded connection with a threaded cylinder 13, the lower end of the threaded cylinder 13 is fixedly provided with a conical head 14, the lower end of the conical head 14 is positioned between the two limiting blocks 6, and when the spring 7 is in a balanced state, the outer end of the limiting block 6 is positioned at the inner side of the channel 5;
the lower end of the shaft pin penetrates through two objects to be connected, the threaded rod 12 is rotated to drive the threaded cylinder 13 and the conical head 14 to move downwards, the conical head 14 is inserted between the two limiting blocks 6 and the two springs 7, the limiting blocks 6 are pushed out through the tension springs 7, and the limiting blocks 6 play a role in limiting the shaft pin, so that the two objects are connected together.
Embodiment two:
on the basis of the first embodiment, in order to facilitate rotating the threaded rod 12, a convex groove 15 is formed in the upper end of the baffle plate 8, a cover plate 16 is arranged in the convex groove 15, a rubber ring 17 is fixedly installed on the side wall of the outer end of the cover plate 16, the rubber ring 17 enters the inner side of the convex groove 15 through extrusion, finger grooves 18 are symmetrically formed in the side walls of the left side and the right side of the upper end of the cover plate 16, the upper end of the cover plate 16 is rotationally connected with a pull ring 9, the upper port of the steel cylinder 1 can be blocked through the cover plate 16, and foreign matters are prevented from entering the steel cylinder 1;
the inner side of the steel cylinder 1 is provided with a bearing 11, the outer wall of the bearing 11 is fixedly connected with the inner wall of the steel cylinder 1, the lower end of a threaded rod 12 passes through the bearing 11 and is fixedly connected with the inner wall of the bearing 11, the upper end of the threaded rod 12 is fixedly provided with a driving head (not marked in the figure), the upper end of the driving head is provided with an inner hexagonal groove, the inner end side wall of the steel cylinder 1 is provided with a guide groove (not marked in the figure), the outer wall of the threaded cylinder 13 is fixedly provided with a guide block (not marked in the figure), and one end of the guide block is in sliding connection with the inner wall of the guide groove;
the rubber ring 17 is pulled out of the convex groove 15 by inserting a finger into the finger groove 18 and pulling the finger upward, namely, the cover plate 16 is opened, one end of the hexagonal wrench is connected with the driving head, and the threaded rod 12 can be rotated.
Embodiment III:
on the basis of the first embodiment, in order to meet the requirements of using parts with different thicknesses, one end of the adjusting block 10 is arc-shaped, and a circular hole is formed in the side wall of the adjusting block 10 and is sleeved on the outer wall of the shaft pin in a sliding manner;
one or two adjusting blocks 10 can be sleeved on the shaft pin according to parts with different thicknesses, so that the use of parts with the same thickness is satisfied, the shaking degree between the parts and between the shaft pin and the parts is reduced, and the friction loss is reduced.
During actual use, one or two adjusting blocks 10 can be sleeved on the shaft pin according to the zero parts with different thicknesses, the lower end of the shaft pin passes through two objects to be connected, the lower end of the shaft pin is inserted into the finger groove 18 through fingers, the rubber ring 17 is pulled out of the convex groove 15 by force upwards, namely the cover plate 16 is opened, one end of the hexagonal wrench is connected with the driving head, the threaded rod 12 is rotated to drive the threaded cylinder 13 and the conical head 14 to move downwards, the conical head 14 is inserted between the two limiting blocks 6 and the two springs 7, the limiting blocks 6 are pushed out through the tension springs 7, and the limiting blocks 6 limit the shaft pin, so that the two objects are connected together.
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 (6)
1. A wear-resistant connection pin with reinforcement structure, comprising: steel cylinder (1), enhancement layer (2), wearing layer (3), anticorrosive coating (4) and regulating block (10), its characterized in that: the reinforcing layer (2) is cylindrical and welded on the outer wall of the steel cylinder (1), the wear-resistant layer (3) is arranged on the outer wall of the reinforcing layer (2), and the anti-corrosion layer (4) is sprayed on the outer wall of the wear-resistant layer (3);
the lower end side walls of the steel cylinder (1), the reinforcing layer (2) and the wear-resistant layer (3) are symmetrically provided with channels (5), limiting blocks (6) are connected in the two channels (5) in a sliding manner, and the front side and the rear side of the inner ends of the two limiting blocks (6) are connected through springs (7);
the steel cylinder (1) is rotationally connected with a threaded rod (12), threaded connection has a threaded cylinder (13) on the lower extreme outer wall of threaded rod (12), the lower extreme fixed mounting of threaded cylinder (13) has conical head (14), and the lower extreme of conical head (14) is located between two stopper (6), fixed mounting has baffle (8) on the bottom lateral wall of steel cylinder (1), and baffle (8) are the ring form, and the last port intercommunication of the interior port of baffle (8) and steel cylinder (1), protruding type groove (15) have been seted up to the upper end of baffle (8), are equipped with apron (16) in protruding type groove (15), and fixed mounting has rubber circle (17) on the outer end lateral wall of apron (16), and the inboard through the extrusion entering protruding type groove (15) of rubber circle (17) has been seted up finger groove (18) on the lateral wall of the upper end left and right sides of apron (16), and the upper end rotation of apron (16) is connected with pull ring (9).
2. The wear-resistant connecting pin with reinforcing structure according to claim 1, wherein: the inner side of the steel cylinder (1) is provided with a bearing (11), and the outer wall of the bearing (11) is fixedly connected with the inner wall of the steel cylinder (1).
3. The wear-resistant connecting pin with reinforcing structure according to claim 1, wherein: the lower end of the threaded rod (12) penetrates through the bearing (11) and is fixedly connected with the inner wall of the bearing (11), and a driving head is fixedly arranged at the upper end of the threaded rod (12).
4. The wear-resistant connecting pin with reinforcing structure according to claim 1, wherein: the inner end side wall of the steel cylinder (1) is provided with a guide groove, the outer wall of the threaded cylinder (13) is fixedly provided with a guide block, and one end of the guide block is in sliding connection with the inner wall of the guide groove.
5. The wear-resistant connecting pin with reinforcing structure according to claim 1, wherein: when the springs (7) are in a balanced state, the outer ends of the limiting blocks (6) are positioned on the inner sides of the channels (5).
6. The wear-resistant connecting pin with reinforcing structure according to claim 1, wherein: one end of the adjusting block (10) is arc-shaped, and a round hole is formed in the side wall of the adjusting block (10) and is sleeved on the outer wall of the shaft pin in a sliding manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321574060.5U CN220396208U (en) | 2023-06-16 | 2023-06-16 | Wear-resisting type connecting pin with additional strengthening |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321574060.5U CN220396208U (en) | 2023-06-16 | 2023-06-16 | Wear-resisting type connecting pin with additional strengthening |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220396208U true CN220396208U (en) | 2024-01-26 |
Family
ID=89603955
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321574060.5U Active CN220396208U (en) | 2023-06-16 | 2023-06-16 | Wear-resisting type connecting pin with additional strengthening |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220396208U (en) |
-
2023
- 2023-06-16 CN CN202321574060.5U patent/CN220396208U/en active Active
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