CN220396253U - Pin shaft locking structure - Google Patents
Pin shaft locking structure Download PDFInfo
- Publication number
- CN220396253U CN220396253U CN202321785510.5U CN202321785510U CN220396253U CN 220396253 U CN220396253 U CN 220396253U CN 202321785510 U CN202321785510 U CN 202321785510U CN 220396253 U CN220396253 U CN 220396253U
- Authority
- CN
- China
- Prior art keywords
- pin
- pin shaft
- connector
- limiting
- locking structure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000000670 limiting effect Effects 0.000 claims abstract description 30
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 18
- 238000005299 abrasion Methods 0.000 abstract description 6
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000002035 prolonged effect Effects 0.000 description 3
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The utility model relates to the technical field of pin shafts, in particular to a pin shaft locking structure, which comprises a connector, wherein one side of the connector is provided with a through pin hole, a pin shaft is inserted in the pin hole, a shaft sleeve is sleeved outside the pin shaft at the inner side of the connector, and locking structures which are correspondingly used for limiting the circumferential positions of the pin shaft are arranged at the inner sides of two ends of the pin shaft and the outer sides of two sides of the connector, and have the beneficial effects that: the locking structure can limit the circumferential position of the pin shaft, prevent the pin shaft from rotating, reduce the abrasion to the pin shaft, prolong the service life of the pin shaft, and the locking structure for the fastening nut can effectively prevent the fastening nut from loosening, improve the connection effect and increase the integral use effect of the pin shaft.
Description
Technical Field
The utility model relates to the technical field of pin shafts, in particular to a pin shaft locking 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, and is mainly used for the hinge joint of two parts to form hinge connection. The pin shaft is usually locked by a cotter pin, so that the pin shaft is reliable in work and convenient to detach. The pin shaft can be limited in the axial direction only by using the cotter pin for locking, so that the pin shaft is prevented from slipping, in addition, the pin shaft can be limited in the axial direction by fastening the pin shaft through the nut, the fastening effect can be realized, and the pin shaft can be freely adjusted, but the pin shaft can still rotate in the circumferential direction in the use process, so that the abrasion speed of the pin shaft can be increased, and the service life is shortened.
Disclosure of Invention
The utility model aims to provide a pin shaft locking structure, which solves the problems that the existing fastening nut can only limit the axial position of a pin shaft and cannot limit the axial position of the pin shaft in the prior art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a pin locking structure comprises
The pin shaft sleeve is sleeved outside the pin shaft at the inner side of the connector, and locking structures which are used for limiting the circumferential positions of the pin shafts correspondingly are arranged at the inner sides of the two ends of the pin shaft and the outer sides of the two sides of the connector.
Preferably, the connector is fork-shaped, pin hole that runs through has been seted up to connector front end one side, a plurality of spacing slots that are annular array form evenly distributed have been seted up to the pin hole outer lane in connector left side.
Preferably, the pin hole outer ring on the right side of the connector is provided with a circular limiting clamping groove, and a clamping block is arranged at the upper end of the inner wall of the outer side of the limiting clamping groove in an inward protruding mode.
Preferably, the pin shaft comprises a main pin rod, one end of the pin rod is provided with a threaded head, the other end of the pin rod is provided with a limiting cap, the pin rod penetrates through the pin hole, the threaded head at the end protrudes to the outer side, and a fastening nut is connected to the outer side in a threaded manner.
Preferably, the inside protrusion of spacing cap is provided with a plurality of spacing inserts that are annular array form evenly distributed, spacing insert corresponds with the spacing slot that the connector left side set up to peg graft and carry out circumference spacing to the pin in spacing slot.
Preferably, the fastening nut is close to the inboard both sides and has seted up the movable groove, the spacing fixture block of activity inslot fixedly connected with, spacing fixture block protrusion is to the movable groove outside, spacing fixture block tip is provided with the buckle fastening nut is connected with the screw thread head after fastening, in the spacing draw-in groove of connector right side seting up is pegged graft to the buckle of spacing fixture block tip to with fixture block cooperation joint.
Preferably, the two sides of the fastening nut are provided with supporting holes, the supporting holes are communicated to the inside of the movable groove and correspond to the limiting clamping blocks, and the supporting rods are movably inserted in the supporting holes.
Compared with the prior art, the utility model has the beneficial effects that:
the locking structure can limit the circumferential position of the pin shaft, prevent the pin shaft from rotating, reduce the abrasion to the pin shaft, prolong the service life of the pin shaft, and the locking structure for the fastening nut can effectively prevent the fastening nut from loosening, improve the connection effect and increase the integral use effect of the pin shaft.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is an exploded view of the structure of the present utility model;
FIG. 3 is a left side schematic view of the connector of the present utility model;
FIG. 4 is a right side view of the connector according to the present utility model;
FIG. 5 is a right side view of the pin of the present utility model;
fig. 6 is a left side structural view of the pin in the present utility model.
In the figure: 1 connector, 2 round pin axle, 3 axle sleeve, 4 round pin poles, 5 screw thread heads, 6 spacing cap, 7 fastening nut, 8 pinhole, 9 spacing draw-in groove, 10 spacing slot, 11 spacing cartridge, 12 support and hold hole, 13 movable groove, 14 spacing fixture block.
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.
Example 1
Referring to fig. 1-6, the present utility model provides a technical solution: a pin locking structure comprises
The connector 1, link up pinhole 8 has been seted up to connector 1 one side, peg graft in the pinhole 8 and have round pin axle 2, and the round pin axle 2 overcoat of connector 1 inboard is equipped with axle sleeve 3, and the inside and connector 1 both sides outside in round pin axle 2 both ends are provided with the locking structure that corresponds restriction round pin axle 2 circumference position.
Example two
The connector 1 is in a connection fork shape, one side of the front end of the connector 1 is provided with a penetrating pin hole 8, the outer ring of the pin hole 8 at the left side of the connector 1 is provided with a plurality of limiting slots 10 which are uniformly distributed in an annular array shape, the limiting slots 10 can be matched with limiting plugs 11 at the inner side of a limiting cap 6 to circumferentially limit the pin shaft 2, the pin shaft 2 is prevented from rotating, the abrasion speed is increased, the protection effect on the pin shaft 2 is increased, and the service life is prolonged;
the annular spacing draw-in groove 9 has been seted up to the pinhole 8 outer lane on connector 1 right side, and spacing draw-in groove 9 is close to outside inner wall upper end inwards the protrusion and is equipped with the fixture block, can cooperate spacing fixture block 14 that set up on the fastening nut 7 to carry out the axial spacing to round pin axle 2 through spacing draw-in groove 9, and spacing fixture block 14 can restrict fastening nut 7, increases fastening nut 7's anticreep effect, avoids fastening nut 7 pine to take off the result of use that influences round pin axle 2.
Example III
The pin shaft 2 comprises a main body pin rod 4, one end of the pin rod 4 is provided with a thread head 5, the other end of the pin rod 4 is provided with a limit cap 6, the pin rod 4 passes through a pin hole 8, the thread head 5 at the end protrudes to the outer side, and a fastening nut 7 is connected to the outer side in a threaded manner;
the inner side of the limit cap 6 is convexly provided with a plurality of limit inserts 11 which are uniformly distributed in an annular array shape, and the limit inserts 11 correspond to limit slots 10 arranged on the left side of the connector 1 and are inserted into the limit slots 10 to limit the pin shaft 2 in the circumferential direction;
the two sides of the inner side of the fastening nut 7 are provided with a movable groove 13, a limit clamping block 14 is fixedly connected in the movable groove 13, the limit clamping block 14 protrudes to the outer side of the movable groove 13, the end part of the limit clamping block 14 is provided with a buckle, and after the fastening nut 7 is connected and fastened with the threaded head 5, the buckle at the end part of the limit clamping block 14 is inserted into a limit clamping groove 9 arranged on the right side of the connector 1 and is matched and clamped with the clamping block;
the supporting hole 12 has been seted up to fastening nut 7 both sides, supporting hole 12 communicates to inside the movable groove 13, and correspond with spacing fixture block 14, supporting hole 12 internal activity grafting supports the pole of holding, can lock round pin axle 2 through locking structure, guarantee to axial and circumferential spacing effect, avoid round pin axle 2 to rotate and increase wearing and tearing speed, increase round pin axle whole life, and improve round pin axle 2 anticreep effect, increase performance, can stretch into supporting through supporting the pole and hold in the hole 12 inwards supporting spacing fixture block 14, loosen the block, just can loosen fastening nut 7 loose dismantlement after the block department loosens, guarantee the anticreep effect, supporting the pole and be movable grafting, can take out when not needing to accomodate, can not influence fastening nut 7 and round pin axle 2's result of use.
During actual use, the limiting insert 11 on the inner side of the limiting cap 6 can be matched with the limiting slot 10 to circumferentially limit the pin shaft 2, so that the pin shaft 2 is prevented from rotating, the abrasion speed is increased, the protection effect on the pin shaft 2 is increased, the service life is prolonged, the limiting clamp block 14 arranged on the fastening nut 7 can be matched with the limiting clamp slot 9 to axially limit the pin shaft 2, the fastening nut 7 can be limited by the limiting clamp block 14, the anti-falling effect of the fastening nut 7 is increased, the use effect of the pin shaft 2 is prevented from being influenced by loosening of the fastening nut 7, the pin shaft 2 can be locked through the locking structure, the limiting effect on the axial direction and the circumferential direction is ensured, the rotation of the pin shaft 2 is prevented from increasing the abrasion speed, the overall service life of the pin shaft is prolonged, the anti-falling effect of the pin shaft 2 is improved, the use performance is increased, the limiting clamp block 14 can be propped inwards through the propping rod in the propping hole 12, the clamping is released, the fastening nut 7 can be loosened and detached after the clamping part is loosened, the anti-falling effect is ensured, the propping rod is movably spliced, and the pin shaft is not required to be pulled out, and the use effect of the fastening nut 7 and the pin shaft 2 is prevented from being influenced.
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 (7)
1. The utility model provides a round pin axle locking structure which characterized in that: comprising
The connecting head (1), link up pinhole (8) have been seted up to connecting head (1) one side, peg graft in pinhole (8) have round pin axle (2), the inside round pin axle (2) overcoat of connecting head (1) is equipped with axle sleeve (3), the both ends inboard of round pin axle (2) and connecting head (1) both sides are provided with the locking structure who corresponds restriction round pin axle (2) circumference position outward.
2. A pin locking arrangement according to claim 1, wherein: the connector (1) is forked, a penetrating pin hole (8) is formed in one side of the front end of the connector (1), and a plurality of limiting slots (10) which are uniformly distributed in an annular array shape are formed in the outer ring of the pin hole (8) on the left side of the connector (1).
3. A pin locking arrangement according to claim 2, wherein: limiting clamping grooves (9) which are annular are formed in the outer ring of the pin hole (8) on the right side of the connector (1), and clamping blocks are arranged at the upper ends of the inner walls of the outer sides of the limiting clamping grooves (9) in an inward protruding mode.
4. A pin locking arrangement according to claim 1, wherein: the pin shaft (2) comprises a main pin rod (4), one end of the pin rod (4) is provided with a threaded head (5), the other end of the pin rod is provided with a limiting cap (6), the pin rod (4) penetrates through the pin hole (8), the threaded head (5) at the end protrudes to the outer side, and a fastening nut (7) is connected to the outer side in a threaded mode.
5. The pin locking structure of claim 4, wherein: the limiting cap (6) is provided with a plurality of limiting inserting blocks (11) which are uniformly distributed in an annular array shape in an protruding mode, the limiting inserting blocks (11) correspond to limiting inserting grooves (10) formed in the left side of the connector (1), and the limiting inserting blocks are inserted into the limiting inserting grooves (10) to circumferentially limit the pin shaft (2).
6. The pin locking structure of claim 4, wherein: the fastening nut (7) is close to the inboard both sides and has seted up movable groove (13), the spacing fixture block (14) of fixedly connected with in movable groove (13), spacing fixture block (14) protrusion to the movable groove (13) outside, spacing fixture block (14) tip is provided with the buckle behind fastening nut (7) and screw thread head (5) connection fastening, in spacing draw-in groove (9) that connector (1) right side was seted up are pegged graft to the buckle of spacing fixture block (14) tip to with fixture block cooperation joint.
7. The pin locking structure of claim 6, wherein: the two sides of the fastening nut (7) are provided with supporting holes (12), the supporting holes (12) are communicated to the inside of the movable groove (13) and correspond to the limiting clamping blocks (14), and supporting rods are movably inserted in the supporting holes (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321785510.5U CN220396253U (en) | 2023-07-07 | 2023-07-07 | Pin shaft locking structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321785510.5U CN220396253U (en) | 2023-07-07 | 2023-07-07 | Pin shaft locking structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220396253U true CN220396253U (en) | 2024-01-26 |
Family
ID=89609858
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321785510.5U Active CN220396253U (en) | 2023-07-07 | 2023-07-07 | Pin shaft locking structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220396253U (en) |
-
2023
- 2023-07-07 CN CN202321785510.5U patent/CN220396253U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP3406917B1 (en) | Expansion bolt kit and method for using the same | |
| CN220396253U (en) | Pin shaft locking structure | |
| CN210686555U (en) | Telescopic rod joint | |
| CN203856378U (en) | Antitheft cat eye | |
| CN109296612B (en) | Antitheft bolt with good antitheft effect | |
| CN202894381U (en) | Novel three claws of instrument | |
| CN216343295U (en) | High strength car seat locking solid bolt | |
| CN201340470Y (en) | Optical cable drawing head | |
| CN204899711U (en) | Cat eye subassembly | |
| CN209539312U (en) | A kind of production tree Theft-proof collar clamp and tool special for dismounting | |
| CN219027395U (en) | Crank tool | |
| CN113674632B (en) | Middle support rod assembly | |
| CN208940310U (en) | Light and easy-to-dismount hoe | |
| CN220248583U (en) | Profiling model body connecting structure | |
| CN219578395U (en) | Rotary bidirectional key ring | |
| KR200403533Y1 (en) | Clamp for ring type protector | |
| CN218439371U (en) | Cutter ring fixing structure of hob | |
| CN212899393U (en) | Detachable bolt type roller pin and roller bearing | |
| CN219951311U (en) | Spinning machine drawing drum device not easy to deform | |
| GB522622A (en) | Improvements relating to spindles for spinning, doubling and twisting textile yarns and threads | |
| CN215762750U (en) | Novel locking bolt that moves | |
| CN221041714U (en) | Anti-falling locking structure of connector | |
| CN215394734U (en) | Shaft locking piece for motor shaft machining | |
| CN211249867U (en) | Natural gas engine ignition coil sheath instrument of taking out | |
| CN109226858B (en) | Milling machine tool and milling cutter handle thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |