CN220268151U - Anti-loosening pin - Google Patents

Abstract

The utility model discloses an anti-loosening pin, which comprises a pin shaft main body, wherein one end of the pin shaft main body is provided with a connecting thread head, one side of the connecting thread head is provided with a through hole, the outer side of the pin shaft main body is sleeved with an extending pin rod, one side of the extending pin rod is provided with a fastening thread head, and the inside of the pin shaft main body is provided with an extending jacking mechanism. According to the utility model, the inner hexagonal screw is inserted into the pin shaft main body, the inner hexagonal screw is screwed to drive the adjusting screw rod to rotate, the adjusting screw rod is in threaded connection with the threaded block so as to enable the threaded block to do horizontal movement and drive the ejector rod to synchronously move, the guide rod is used for limiting and guiding in the process so as to ensure the stability of the movement of the ejector rod, the ejector rod is used for pushing the extending pin rod to do horizontal movement, and free extension and retraction of the extending pin rod can be realized, so that the pin shaft main body can meet different use requirements when in use, and the application range of the pin shaft main body is improved.

Description

Anti-loosening pin

Technical Field

The utility model relates to the technical field of pins, in particular to an anti-loosening pin.

Background

The pin is used for positioning and fastening parts, is of a cylindrical shape and a conical shape, is made of stainless steel, and can be divided into a cylindrical pin, a taper pin, a cotter pin, a pin shaft and the like, wherein the pin shaft is a standardized fastener which is usually used at the hinge joint of two parts, can be fixedly connected in a static state and can also relatively move with a connected part, and has the advantages of good effect and convenience in disassembly;

the prior anti-loosening pin has the advantages of single function, most of fixed specifications, no telescopic function, and complicated operation, and needs to replace pins of different specifications when different parts are hinged and connected in the face of different use environments.

Disclosure of Invention

The utility model aims to provide an anti-loosening pin, which solves the problems that the existing anti-loosening pin provided in the background art has single function and is inconvenient to stretch when in use.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a locking pin that takes off, includes the round pin axle main part, the connection screw thread head is installed to the one end of round pin axle main part, and one side of connecting screw thread head is provided with the through-hole, the extension pin pole has been cup jointed in the outside of round pin axle main part, and the fastening screw thread head is installed to one side of extension pin pole, the inside of round pin axle main part is provided with the extension and pushes up and stretch the mechanism.

The locking pin who takes off of this technical scheme of use has set up the extension through when using and has stretched the mechanism to adjust the length of use of round pin axle main part, so that can satisfy different user demands when using, practical operation is simple.

Preferably, the extension top is stretched the mechanism and is included accommodate the lead screw, and accommodate the lead screw and set up in the inside of round pin axle main part, accommodate the lead screw's outside and cup jointed the screw block, and the ejector pin is all installed at the both ends of screw block one side, the one end of ejector pin all extends to the outside of round pin axle main part and is connected with the inner wall that extends the round pin pole, the guide bar has all been run through to the both sides of screw block, one side of accommodate the lead screw is provided with built-in screwing groove.

Preferably, the adjusting screw rod is provided with external threads, an internal thread groove matched with the external threads is formed in the threaded block, and the adjusting screw rod and the threaded block form threaded connection.

Preferably, the section of the built-in screwing groove is of an equilateral hexagon.

Preferably, both ends of the guide rod are connected with the inner wall of the pin shaft main body.

Compared with the prior art, the utility model has the beneficial effects that: the anti-loosening pin is good in anti-loosening effect and extensible, so that different use requirements can be met when the anti-loosening pin is used, the inner hexagonal screw is inserted into the pin shaft main body, the adjusting screw is driven to rotate by screwing the inner hexagonal screw, the adjusting screw is connected with the screw thread block in a threaded mode, so that the screw thread block horizontally moves and drives the ejector rod to synchronously move, limiting guide is carried out through the guide rod in the process, stability of movement of the ejector rod is guaranteed, the extending pin rod is pushed to horizontally move through the ejector rod, free extension of the extending pin rod can be achieved, the pin shaft main body can meet different use requirements when the anti-loosening pin is used, the use range of the pin shaft main body is improved, the connecting screw thread head and the fastening screw head are respectively installed at one ends of the pin shaft main body and the extending pin rod, and the fastening screw nut is respectively installed at one ends of the connecting screw head and the fastening screw head, and the pin shaft main body and the extending pin rod can be effectively prevented from falling off.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a front view of the present utility model;

FIG. 2 is a schematic view of a front cross-sectional structure of the present utility model;

FIG. 3 is a schematic view of the structure of FIG. 2A according to the present utility model;

fig. 4 is a schematic side view of the present utility model.

Reference numerals in the drawings illustrate: 1. a pin main body; 2. connecting a threaded head; 3. extending the pin rod; 4. fastening a thread head; 5. an extension pushing mechanism; 501. adjusting a screw rod; 502. a guide rod; 503. a push rod; 504. a screw block; 505. a screwing groove is arranged in the screw; 6. and a through hole.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by one of ordinary skill in the art without inventive faculty, are intended to be within the scope of the present utility model, based on the embodiments of the present utility model.

Referring to fig. 1-4, an embodiment of the present utility model is provided: the anti-loosening pin comprises a pin shaft main body 1, wherein a connecting thread head 2 is arranged at one end of the pin shaft main body 1, a through hole 6 is formed in one side of the connecting thread head 2, an extending pin rod 3 is sleeved on the outer side of the pin shaft main body 1, a fastening thread head 4 is arranged on one side of the extending pin rod 3, and an extending jacking mechanism 5 is arranged in the pin shaft main body 1;

the extension and ejection mechanism 5 comprises an adjusting screw rod 501, the adjusting screw rod 501 is arranged in the pin shaft main body 1, and a threaded block 504 is sleeved on the outer side of the adjusting screw rod 501;

the adjusting screw rod 501 is provided with external threads, an internal thread groove matched with the external threads is formed in the threaded block 504, and the adjusting screw rod 501 and the threaded block 504 form threaded connection;

specifically, as shown in fig. 1, 2 and 3, when in use, the adjusting screw 501 and the threaded block 504 are in threaded connection, namely, the horizontal movement of the threaded block 504 can be realized along with the rotation of the adjusting screw 501, and the ejector rod 503 is pushed to move synchronously, namely, the extending pin 3 is pushed to move horizontally by the ejector rod 503, so that the use length of the pin shaft main body 1 can be adjusted to meet different use requirements, and the fastening nuts are respectively arranged at one ends of the connecting screw head 2 and the fastening screw head 4 so as to realize the anti-loosening effect of the pin shaft main body 1 and the extending pin 3 after the hinging positions of different parts are connected;

two ends of one side of the thread block 504 are provided with ejector rods 503, one end of each ejector rod 503 extends to the outside of the pin shaft main body 1 and is connected with the inner wall of the extending pin rod 3, and two sides of the thread block 504 are penetrated by guide rods 502;

both ends of the guide rod 502 are connected with the inner wall of the pin shaft main body 1;

specifically, as shown in fig. 1, 2 and 3, in use, the guide rod 502 is arranged to limit and guide the movement of the threaded block 504 so as to ensure the stability of the movement thereof;

one side of the adjusting screw 501 is provided with a built-in screwing groove 505;

the section of the built-in screwing groove 505 is an equilateral hexagon;

specifically, as shown in fig. 1, 2, 3 and 4, when in use, the cross section of the built-in screwing groove 505 is in an equilateral hexagon, and when in actual use, the external hexagonal screw rod is inserted into the built-in screwing groove 505, so that the rotation of the adjusting screw rod 501 can be realized by rotating the external hexagonal screw rod, the operation is convenient, and the adjustability of the use length of the pin shaft main body 1 is realized.

Working principle: when the pin shaft body 1 is used, firstly, the pin shaft body 1 passes through the hinge joint of two parts, then the external internal hexagonal threaded rod passes through the connecting threaded head 2 until the external hexagonal threaded rod is propped into the internal screwing groove 505, then the internal hexagonal threaded rod is screwed, namely, the adjusting screw rod 501 is in rotary motion, the adjusting screw rod 501 is in threaded connection with the threaded block 504, so that the ejector rod 503 synchronously moves, then the ejector rod 503 pushes the extending pin rod 3 to horizontally move, and then, when the pin shaft body 1 is used, the using length of the pin shaft body 1 can be prolonged, namely, different using requirements can be met when the pin shaft body is used, the hinge joint of different parts can be connected, and then the pin shaft body 1 and the extending pin rod 3 can be effectively prevented from being separated from the hinge joint by screwing the fastening nut onto the connecting threaded head 2 and the fastening threaded head 4, so that the anti-drop effect is good.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either 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.

The apparatus embodiments described above are merely illustrative, wherein the elements illustrated as separate elements may or may not be physically separate, and the elements shown as elements may or may not be physical elements, may be located in one place, or may be distributed over a plurality of network elements. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment. Those of ordinary skill in the art will understand and implement the present utility model without undue burden.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims (5)

1. The utility model provides a locking pin that takes off, includes round pin axle main part (1), its characterized in that: the novel pin shaft is characterized in that one end of the pin shaft body (1) is provided with a connecting threaded head (2), one side of the connecting threaded head (2) is provided with a through hole (6), the outer side of the pin shaft body (1) is sleeved with an extending pin rod (3), one side of the extending pin rod (3) is provided with a fastening threaded head (4), and the inside of the pin shaft body (1) is provided with an extending jacking mechanism (5).

2. A locking pin according to claim 1, wherein: extension top is stretched mechanism (5) and is included accommodate the lead screw (501), and accommodate the lead screw (501) and set up in the inside of round pin axle main part (1), screw block (504) have been cup jointed in the outside of accommodate the lead screw (501), and ejector pin (503) are all installed at the both ends of screw block (504) one side, the one end of ejector pin (503) all extends to the outside of round pin axle main part (1) and is connected with the inner wall that extends round pin pole (3), guide bar (502) have all been run through in the both sides of screw block (504), one side of accommodate the lead screw (501) is provided with built-in screw groove (505).

3. A locking pin according to claim 2, wherein: the adjusting screw rod (501) is provided with external threads, an internal thread groove matched with the external threads is formed in the thread block (504), and the adjusting screw rod (501) and the thread block (504) form threaded connection.

4. A locking pin according to claim 2, wherein: the section of the built-in screwing groove (505) is of an equilateral hexagon.

5. A locking pin according to claim 2, wherein: both ends of the guide rod (502) are connected with the inner wall of the pin shaft main body (1).