Locking pin capable of preventing slipping

Abstract

The utility model relates to the technical field of positioning pins, and discloses an anti-slip locking pin which comprises a rotating seat, first threaded holes are formed in the left side and the right side of the front end of the rotating seat, a mounting seat is arranged at the front end of the rotating seat, second threaded holes are formed in the left side and the right side of the front end of the mounting seat, and bolts are in threaded connection with the inner walls of the second threaded holes. A plurality of limiting blocks are fixedly connected to the inner wall of the mounting seat, a pin body is arranged on the inner wall of the rotating seat, a plurality of limiting grooves are formed in the front side of the outer wall of the pin body, a pin hole is formed in the front side of the top end of the outer wall of the pin body, a pin is arranged on the inner wall of the pin hole, and a cushion block is connected to the rear end of the pin body through an anti-skid assembly. According to the hinge unit, after the pin body is inserted into the rotating seat, the limiting groove formed in the surface of the pin body is combined with the limiting block arranged on the inner wall of the mounting seat, and the limiting groove and the limiting block limit the pin body so that the pin body cannot rotate to prevent the hinge unit from driving the pin body to rotate in the rotating process to affect the service life of the hinge.

Description

Technical Field

[0001] The utility model relates to the technical field of positioning pins, in particular to a locking pin capable of preventing slipping. Background Art

[0002] A locking pin is a small metal component commonly used in various connection, fixing and sealing applications. Its basic function is to tightly connect two or more parts together through its special structure to prevent them from moving relative to each other.

[0003] After searching, a hinge pin shaft with announcement number CN203035736U comprises a central part, a step part, and a pin locking part; the step part and the pin locking part are respectively arranged at two ends of the central part; a groove is arranged on the outer circumference of the step part along the axial direction; the hinge pin shaft of the utility model has elasticity due to the groove, so when the step part is inserted into the through hole of the chain plate during installation, the step part can be installed by just giving a slight pre-tightening force to the step part by hand, and then passing the pin through the pin locking part; since the step part has a pre-tightening force, the close contact between the step part and the through hole of the chain plate can be maintained, and the rotation of the hinge pin shaft can be prevented, thereby avoiding the slipping between adjacent hinge units, and thus extending the service life of the hinge;

[0004] Based on the above patent, its background technology mentions that during use, the hinge pin is prone to rotation, causing slippage between adjacent hinge units, affecting the service life of the hinge. In response to this technical problem, this application proposes a locking pin that can prevent slippage. Utility Model Content

[0005] The utility model aims to solve the shortcomings in the prior art and proposes a locking pin which can prevent slipping. The locking pin will not slip due to rotation in the hinge unit under the restriction of the limit block, thereby extending the service life of the hinge.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A locking pin that can prevent slipping comprises a rotating seat, wherein a first threaded hole can be provided on both sides of the left and right sides of the front end of the rotating seat, the front end of the rotating seat is connected with a bolt through a matching component, a pin body is provided on the inner wall of the rotating seat, a plurality of limiting grooves are provided on the front side of the outer wall of the pin body, a pin hole is provided on the front side of the top end of the outer wall of the pin body, a pin is provided on the inner wall of the pin hole, and the rear end of the pin body is connected with a pad through an anti-slip component.

[0008] Furthermore, the mating component includes a mounting seat arranged at the front end of the rotating seat, and second threaded holes are arranged on the left and right sides of the front end of the mounting seat. The outer walls of the bolts are threadedly connected to the inner walls of the second threaded holes, and the inner wall of the mounting seat is fixedly connected to a plurality of limit blocks.

[0009] Furthermore, the anti-slip assembly includes a clamping block fixedly connected to the rear end of the pin body, and the rear end of the cushion block is arranged at the front end of the clamping block.

[0010] Furthermore, the rear end of the pin is arranged at the front end of the mounting seat.

[0011] Furthermore, the rear sides of the outer walls of the bolts are threadedly connected to the inner walls of the first threaded holes.

[0012] Furthermore, the outer walls of the limiting blocks are all arranged on the inner walls of the limiting grooves.

[0013] Furthermore, the inner wall of the cushion block is arranged on the outer wall of the pin body, and the front end of the cushion block is arranged on the rear end of the rotating seat.

[0014] The utility model has the following beneficial effects:

[0015] 1. In the utility model, the limiting block cooperates with the mounting seat, the bolt, the limiting groove, the first threaded hole and the second threaded hole, so that the locking pin will not slip due to rotation in the hinge unit under the restriction of the limiting block, thereby extending the service life of the hinge. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 A three-dimensional diagram of a locking pin capable of preventing slipping proposed by the utility model;

[0017] Figure 2 A rear perspective view of a locking pin capable of preventing slipping proposed by the utility model;

[0018] Figure 3 An exploded view of the overall structure of a locking pin that can prevent slipping proposed by the utility model.

[0019] Legend:

[0020] 1. Rotating seat; 2. Mounting seat; 3. Pin; 4. Pin body; 5. Bolt; 6. Spacer block; 7. Clamp block; 8. Limiting groove; 9. First threaded hole; 10. Pin hole; 11. Second threaded hole; 12. Limiting block. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] Reference Figure 1-3 , the utility model provides an embodiment: a locking pin that can prevent slipping, including a rotating seat 1, a first threaded hole 9 is provided on both sides of the left and right sides of the front end of the rotating seat 1, a mounting seat 2 is provided on the front end of the rotating seat 1, and a second threaded hole 11 is provided on both sides of the left and right sides of the front end of the mounting seat 2, the inner wall of the second threaded hole 11 is threadedly connected with a bolt 5, and the rear side of the outer wall of the bolt 5 is threadedly connected to the inner wall of the first threaded hole 9, the inner wall of the mounting seat 2 is fixedly connected with a plurality of limit blocks 12, and the outer walls of the limit blocks 12 are all arranged on the inner wall of the limit groove 8, the inner wall of the rotating seat 1 is provided with a pin body 4, the front side of the outer wall of the pin body 4 is provided with a plurality of limit grooves 8, the front side of the top end of the outer wall of the pin body 4 is provided with a pin hole 10, the inner wall of the pin hole 10 is provided with a pin 3, the rear end of the pin 3 is arranged at the front end of the mounting seat 2, the rear end of the pin body 4 is fixedly connected with a clamping block 7, the front end of the clamping block 7 is provided with a cushion block 6, the inner wall of the cushion block 6 is arranged on the outer wall of the pin body 4, and the front end of the cushion block 6 is arranged on the rear end of the rotating seat 1;

[0023] Specifically, the mounting seat 2 is installed on the front end of the rotating seat 1 by means of the bolt 5 in cooperation with the second threaded hole 11 and the first threaded hole 9 on the rotating seat 1, and then the cushion block 6 is inserted into the pin body 4 and then the pin body 4 is inserted into the through hole reserved on the rotating seat 1, so that when the pin body 4 is assembled on the rotating seat 1, the cushion block 6 is clamped on the rotating seat 1 through the clamping block 7 to increase friction and improve the anti-slip ability of the pin body 4. At the same time, after the pin body 4 is inserted into the rotating seat 1, the limit groove 8 provided on its surface will be combined with the limit block 12 provided on the inner wall of the mounting seat 2. The pin body 4 is restricted by the limit groove 8 and the limit block 12 so that it cannot rotate, so as to prevent the pin body 4 from rotating during the rotation of the hinge unit and affect the life of the hinge. Finally, the pin 3 is inserted into the pin hole 10 on the pin body 4 to prevent the pin body 4 from detaching from the rotating seat 1.

[0024] Working principle: The mounting seat 2 is installed on the front end of the rotating seat 1 through the bolt 5 in cooperation with the second threaded hole 11 and the first threaded hole 9 on the rotating seat 1, and then the cushion block 6 is inserted into the pin body 4 and then the pin body 4 is inserted into the through hole reserved on the rotating seat 1, so that when the pin body 4 is assembled on the rotating seat 1, the cushion block 6 is clamped on the rotating seat 1 through the clamping block 7 to increase friction and improve the anti-slip ability of the pin body 4. At the same time, after the pin body 4 is inserted into the rotating seat 1, the limit groove 8 set on its surface will be combined with the limit block 12 set on the inner wall of the mounting seat 2. The pin body 4 is restricted by the limit groove 8 and the limit block 12 so that it cannot rotate, so as to prevent the pin body 4 from rotating during the rotation of the hinge unit and affect the life of the hinge. Finally, the pin 3 is inserted into the pin hole 10 on the pin body 4 to prevent the pin body 4 from detaching from the rotating seat 1.

[0025] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A locking pin capable of preventing slipping, comprising a rotating seat (1), characterized in that: The left and right sides of the front end of the rotating seat (1) are both provided with first threaded holes (9); the front end of the rotating seat (1) is connected with a bolt (5) through a matching component; the inner wall of the rotating seat (1) is provided with a pin body (4); the front side of the outer wall of the pin body (4) is provided with a plurality of limit grooves (8); the front side of the top end of the outer wall of the pin body (4) is provided with a pin hole (10); the inner wall of the pin hole (10) is provided with a pin (3); and the rear end of the pin body (4) is connected with a cushion block (6) through an anti-slip component.

2. A locking pin capable of preventing slipping according to claim 1, characterized in that: The mating assembly comprises a mounting seat (2) arranged at the front end of the rotating seat (1), second threaded holes (11) are arranged on both left and right sides of the front end of the mounting seat (2), the outer walls of the bolts (5) are threadedly connected to the inner walls of the second threaded holes (11), and a plurality of limit blocks (12) are fixedly connected to the inner wall of the mounting seat (2).

3. The anti-slip locking pin according to claim 1, characterized in that: The anti-skid assembly comprises a clamping block (7) fixedly connected to the rear end of the pin body (4), and the rear end of the cushion block (6) is arranged at the front end of the clamping block (7).

4. The anti-slip locking pin according to claim 1, characterized in that: The rear end of the pin (3) is arranged at the front end of the mounting seat (2).

5. The anti-slip locking pin according to claim 2, characterized in that: The rear sides of the outer walls of the bolts (5) are threadedly connected to the inner walls of the first threaded holes (9).

6. The anti-slip locking pin according to claim 2, characterized in that: The outer walls of the limiting blocks (12) are arranged on the inner walls of the limiting grooves (8).

7. The anti-slip locking pin according to claim 3, characterized in that: The inner wall of the cushion block (6) is arranged on the outer wall of the pin body (4), and the front end of the cushion block (6) is arranged on the rear end of the rotating seat (1).

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