CN219242393U - Pin shaft structure of anti-drop pin - Google Patents

Abstract

The utility model discloses a pin shaft structure of an anti-drop pin, which comprises a pin shaft housing, wherein a clamping device is arranged at the left part of the upper end of the pin shaft housing, a pin shaft cover is arranged at the right part of the outer surface of the pin shaft housing, an internal thread is arranged at the right end of the pin shaft housing, a pin shaft device is arranged at the right end of the pin shaft housing, and a rotating device is arranged at the right end of the pin shaft device. According to the pin shaft structure of the anti-off-pin, the fixed pin shaft is driven by the rotating ring to be screwed into the pin shaft shell through the external threads on the fixed pin shaft, and then the rotating base on the clamping device drives the bolts to be screwed into the first screw hole and the second screw hole, so that one side of the fixed pin shaft is further fixed in the pin shaft shell, stability of the fixed pin shaft in use can be improved, the pin is prevented from being off-pin, and meanwhile, when the fixed pin shaft needs to be taken down, the fixed pin shaft is clamped in the pin shaft shell through the threads, and damage to workers caused by overlarge off-pin force of the fixed pin shaft is prevented.

Description

Pin shaft structure of anti-drop pin

Technical Field

The utility model relates to the technical field of pin shafts, in particular to a pin shaft structure for preventing pin from falling off.

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 prior patent (application number 202221128244.4) discloses a special scraping plate pin shaft for preventing pin removal, wherein the prior pin shaft is provided with too simple connection structure, so that the connection is not tight enough, the pin shaft connection part is easy to loosen, pin removal is caused, the work cannot be performed, the work efficiency is greatly reduced, and sometimes the pin removal force is too large, so that the danger of lives and property of personnel can be caused. In summary, the conventional pin shaft has the following problems:

the connecting structure of the pin shaft is simple, the connection is not tight enough, the pin shaft connection is easy to loosen after long-time use, the working efficiency of the device is affected, and meanwhile, the safety performance of the device is also affected due to the fact that the pin shaft is loose.

Disclosure of Invention

The utility model mainly aims to provide a pin shaft structure for preventing a pin from being separated, which can effectively solve the problems that the connection part of a pin shaft is easy to loosen, the working efficiency of a device is affected, and the safety performance of the device is affected due to the loosening of the pin shaft.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the utility model provides a pin axle structure of anticreep round pin, includes the round pin axle housing, chucking device is installed in round pin axle housing upper end left portion, round pin axle housing surface right-hand member installs the round pin axle lid, round pin axle housing right-hand member is opened there is the internal thread, round pin axle device is installed to round pin axle housing right-hand member, rotation device is installed to round pin axle device right-hand member.

Preferably, the pin shaft device comprises a fixed pin shaft, a first screw hole is formed in the left portion of the upper end of the fixed pin shaft, a clamping groove is formed in the right end of the fixed pin shaft, external threads are engraved on the outer surface of the fixed pin shaft, and the fixed pin shaft is mounted at the right end of the pin shaft shell through the external threads. The pin shaft shell not only can play a certain protection role on the fixed pin shaft, but also can prevent the fixed pin shaft from causing injury to staff due to overlarge pin removal force because the fixed pin shaft is clamped in the pin shaft shell through threads when the fixed pin shaft needs to be taken down.

Preferably, the clamping device comprises a rotating base, a bolt is arranged at the lower end of the rotating base, a second screw hole is formed in the left part of the upper end of the pin shaft shell, and the rotating base is arranged at the left part of the upper end of the pin shaft shell through the second screw hole. The rotating base on the clamping device drives the bolt to be screwed into the first screw hole and the second screw hole, so that one side of the fixed pin shaft is further fixed in the pin shaft shell, the stability of the fixed pin shaft in use can be improved, and the pin removal of the fixed pin shaft is prevented.

Preferably, the rotating device comprises a connecting column, a rotating ring is arranged on the outer surface of the connecting column, a clamping seat is arranged at the left end of the connecting column, and the connecting column is arranged at the right end of the fixed pin shaft through the clamping seat. The rotating ring is clamped on one side of the fixed pin shaft through the clamping seat, and the rotating ring can be conveniently installed or detached after the fixed pin shaft is installed.

Preferably, the first screw hole and the second screw hole are consistent in size and correspond to each other in position.

Preferably, the clamping seat and the clamping groove are cross-shaped.

Compared with the prior art, the utility model has the following beneficial effects:

1. firstly, a clamping seat on a rotating device is clamped into a clamping groove on a pin shaft device, then a rotating ring drives a fixed pin shaft to be screwed into a pin shaft shell through external threads on the fixed pin shaft, after the fixed pin shaft is completely screwed into the pin shaft shell, the fixed pin shaft is initially fixed on the pin shaft shell, and then a rotating base on the clamping device drives a bolt to be screwed into a first screw hole and a second screw hole, so that one side of the fixed pin shaft is further fixed in the pin shaft shell, the stability of the fixed pin shaft in use can be improved, and the pin removal of the fixed pin shaft is prevented.

2. Can not only play certain guard action to the fixed round pin axle through the round pin axle shell, when the fixed round pin axle needs to be taken down simultaneously, because it is through the screw thread chucking in the round pin axle shell, prevent to take off the too big fixed round pin axle that leads to can cause the injury to the staff of round pin axle, the swivel becket is by cassette joint in fixed round pin axle one side moreover, after the fixed round pin axle installation, can conveniently install or dismantle the swivel becket.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a pin shaft structure of an anti-loose pin of the present utility model;

fig. 2 is a schematic diagram of the overall structure of a pin device with a pin structure for preventing pin derailment according to the present utility model;

fig. 3 is a schematic diagram of the overall structure of a clamping device of a pin shaft structure of an anti-loose pin;

fig. 4 is a schematic diagram of the overall structure of a rotation device with a pin shaft structure for preventing a pin from being separated.

In the figure: 1. a pin housing; 2. a pin shaft device; 3. a clamping device; 4. a rotating device; 5. a pin shaft cover; 6. an internal thread; 20. a fixed pin shaft; 21. a clamping groove; 22. a first screw hole; 23. an external thread; 30. rotating the base; 31. a bolt; 32. screw holes II; 40. a connecting column; 41. a rotating ring; 42. a clamping seat.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

As shown in fig. 1-4, the pin shaft structure of the anti-drop pin comprises a pin shaft housing 1, wherein a clamping device 3 is arranged at the left part of the upper end of the pin shaft housing 1, a pin shaft cover 5 is arranged at the right part of the outer surface of the pin shaft housing 1, an internal thread 6 is arranged at the right end of the pin shaft housing 1, a pin shaft device 2 is arranged at the right end of the pin shaft housing 1, and a rotating device 4 is arranged at the right end of the pin shaft device 2.

The pin shaft device 2 comprises a fixed pin shaft 20, a first screw hole 22 is formed in the left portion of the upper end of the fixed pin shaft 20, a clamping groove 21 is formed in the right end of the fixed pin shaft 20, an external thread 23 is engraved on the outer surface of the fixed pin shaft 20, and the fixed pin shaft 20 is arranged at the right end of the pin shaft housing 1 through the external thread 23. The pin shaft shell 1 not only can play a certain protection role on the fixed pin shaft 20, but also can prevent the fixed pin shaft 20 from causing injury to staff due to overlarge pin removal force because the fixed pin shaft 20 is clamped in the pin shaft shell 1 through threads when the fixed pin shaft 20 needs to be taken down.

The clamping device 3 comprises a rotating base 30, a bolt 31 is arranged at the lower end of the rotating base 30, a second screw hole 32 is formed in the left part of the upper end of the pin shaft housing 1, and the rotating base 30 is arranged at the left part of the upper end of the pin shaft housing 1 through the second screw hole 32; the first screw hole 22 is identical in size to the second screw hole 32 and corresponds in position up and down. The rotating base 30 on the clamping device 3 drives the bolt 31 to be screwed into the first screw hole 22 and the second screw hole 32, so that one side of the fixed pin shaft 20 is further fixed in the pin shaft shell 1, the stability of the fixed pin shaft 20 in use can be improved, and the pin removal is prevented.

The rotating device 4 comprises a connecting column 40, a rotating ring 41 is arranged on the outer surface of the connecting column 40, a clamping seat 42 is arranged at the left end of the connecting column 40, and the connecting column 40 is arranged at the right end of the fixed pin shaft 20 through the clamping seat 42; the shape of the clamping seat 42 and the clamping groove 21 is cross-shaped. The rotating ring 41 is clamped on one side of the fixed pin 20 by the clamping seat 42, and the rotating ring 41 can be conveniently installed or detached after the fixed pin 20 is installed.

It should be noted that, the pin shaft structure of the present utility model is an anti-loose pin, firstly, the clamping seat 42 on the rotation device 4 is clamped into the clamping groove 21 on the pin shaft device 2, then the rotation ring 41 drives the fixed pin shaft 20 to be screwed into the pin shaft housing 1 through the external thread 23 on the pin shaft device, after the fixed pin shaft 20 is completely screwed into the pin shaft housing 1, the fixed pin shaft 20 is initially fixed at this time, then the rotation base 30 on the clamping device 3 drives the bolt 31 to be screwed into the first screw hole 22 and the second screw hole 32, thereby further fixing one side of the fixed pin shaft 20 in the pin shaft housing 1, so as to improve the stability of the fixed pin shaft 20 in use, prevent the fixed pin shaft 20 from being out of pin, and through the pin shaft housing 1, not only can play a certain protection role on the fixed pin shaft 20, but also prevent the damage to the staff caused by the fixed pin shaft 20 due to the excessive pin-out force, and the rotation ring 41 is clamped on one side of the fixed pin shaft 20 through the clamping seat 42, after the fixed pin shaft 20 is installed, the ring 41 can be conveniently installed or disassembled.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (3)

1. The utility model provides a pin axle structure of anticreep round pin, includes round pin axle housing (1), its characterized in that: the left part of the upper end of the pin shaft housing (1) is provided with a clamping device (3), the right part of the outer surface of the pin shaft housing (1) is provided with a pin shaft cover (5), the right end of the pin shaft housing (1) is provided with an internal thread (6), the right end of the pin shaft housing (1) is provided with a pin shaft device (2), and the right end of the pin shaft device (2) is provided with a rotating device (4); the pin shaft device (2) comprises a fixed pin shaft (20), a first screw hole (22) is formed in the left part of the upper end of the fixed pin shaft (20), a clamping groove (21) is formed in the right end of the fixed pin shaft (20), an external thread (23) is engraved on the outer surface of the fixed pin shaft (20), and the fixed pin shaft (20) is arranged at the right end of the pin shaft shell (1) through the external thread (23); the clamping device (3) comprises a rotating base (30), a bolt (31) is arranged at the lower end of the rotating base (30), a second screw hole (32) is formed in the left part of the upper end of the pin shaft shell (1), and the rotating base (30) is arranged at the left part of the upper end of the pin shaft shell (1) through the second screw hole (32); the rotating device (4) comprises a connecting column (40), a rotating ring (41) is arranged on the outer surface of the connecting column (40), a clamping seat (42) is arranged at the left end of the connecting column (40), and the connecting column (40) is arranged at the right end of the fixed pin shaft (20) through the clamping seat (42).

2. The pin shaft structure of an anti-slip pin according to claim 1, wherein: the first screw hole (22) and the second screw hole (32) are consistent in size and correspond to each other in position.

3. The pin shaft structure of an anti-slip pin according to claim 1, wherein: the clamping seat (42) and the clamping groove (21) are cross-shaped.

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