CN213981557U

CN213981557U - Novel high-strength anti-drop light alloy split pin

Info

Publication number: CN213981557U
Application number: CN202023191729.1U
Authority: CN
Inventors: 张军育
Original assignee: Tianjin Lituo Standard Parts Co ltd
Current assignee: Tianjin Lituo Standard Parts Co ltd
Priority date: 2020-12-27
Filing date: 2020-12-27
Publication date: 2021-08-17
Anticipated expiration: 2030-12-27

Abstract

The utility model discloses a novel high strength anti-drop light alloy split pin, including sharp pin pole, elastic connection circle, curve pin pole and the portion of bending, the inside of sharp pin pole is provided with high strength structure, one side of sharp pin pole is fixed with the elastic connection circle, and one side on elastic connection circle top is fixed with the curve pin pole, fastening nut is all installed to the outside both sides of fastening bolt. The utility model discloses a be provided with fastening structure and improved the fastening nature of split pin and round pin axle, insert the pinhole of round pin axle to sharp pin pole, curve pin pole can block the top of round pin axle, overlap the tighrening ring simultaneously in the outside of sharp pin pole and the portion of bending, tighten fastening nut in proper order, fastening nut can rotate and remove to middle department in fastening bolt's outside, distance between two sets of connection pieces can be drawn near this moment, the tighrening ring can be the fastening state, the fastening nature of split pin and round pin axle has been improved, avoid taking place the phenomenon that drops when using.

Description

Novel high-strength anti-drop light alloy split pin

Technical Field

The utility model relates to a split pin technical field specifically is a novel high strength anti-drop light alloy split pin.

Background

With the rapid development of national economy and the continuous improvement of economic level, in the current mechanical equipment, in order to fix a pin shaft on the mechanical equipment, a cotter pin is usually used for fixing, and the cotter pin is usually inserted into a pin hole of the pin shaft so as to fix the pin shaft on the equipment or fix a part of the equipment on the pin shaft, so that a special novel high-strength anti-falling light alloy cotter pin can be used;

however, when the existing alloy split pin in the market is used, when the pin shaft is in vibration or rotates at a high speed, the split pin is easy to fall off, and certain potential safety hazards exist, so that a novel high-strength anti-falling light alloy split pin is developed at present to solve the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel high strength anti-drop light alloy split pin to propose when the round pin axle is in vibrations or high-speed rotation in solving above-mentioned background, very easily take place the phenomenon that the split pin drops, have the problem of certain potential safety hazard.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a novel high strength anti-drop light alloy split pin, includes sharp pin pole, elastic connection circle, curve pin pole and the portion of bending, the inside of sharp pin pole is provided with high strength structure, one side of sharp pin pole is fixed with the elastic connection circle, and one side on elastic connection circle top is fixed with the curve pin pole, one side of curve pin pole is fixed with the portion of bending, and the externally mounted of the portion of bending has fastening structure, fastening structure includes tighrening ring, fastening nut, connection piece and fastening bolt, the tighrening ring runs through in the outside of the portion of bending and sharp pin pole, the top of tighrening ring is fixed with the connection piece, and the inside of connection piece transversely runs through there is fastening bolt, fastening nut is all installed to the outside both sides of fastening bolt.

Preferably, the fastening ring is annularly arranged, and the fastening nut and the fastening bolt are in threaded connection.

Preferably, high strength structure includes enhancement layer, first strengthening rib and second strengthening rib, the enhancement layer is fixed in the inside of sharp pin pole, the inside of enhancement layer is provided with first strengthening rib, and the both sides of first strengthening rib all are fixed with the second strengthening rib.

Preferably, first strengthening rib and second strengthening rib all are provided with a plurality of, a plurality of first strengthening rib and second strengthening rib are evenly distributed in the inside of enhancement layer.

Preferably, the bottom end of the curve pin rod is fixed with a wear-resistant rubber pad, and the outer part of the wear-resistant rubber pad is fixed with wear-resistant points.

Preferably, the wear-resistant points are all provided with a plurality of wear-resistant points which are uniformly distributed outside the wear-resistant rubber pad.

Compared with the prior art, the beneficial effects of the utility model are that: the novel high-strength anti-falling light alloy cotter pin not only improves the fastening performance of the cotter pin and the pin shaft, avoids the falling phenomenon during use, but also improves the structural strength and toughness of the inner part of the linear pin rod, prevents the cotter pin from deforming, enhances the wear resistance of the curved pin rod and has better wear resistance effect;

(1) the fastening structure is arranged to improve the fastening performance of the split pin and the pin shaft, the linear pin rod is inserted into the pin hole of the pin shaft, the curved pin rod can clamp the top of the pin shaft, the fastening ring is sleeved outside the linear pin rod and the bent part at the same time, the fastening nuts are sequentially screwed, the fastening nuts can rotate outside the fastening bolts and move towards the middle, the distance between the two groups of connecting pieces can be shortened at the moment, the fastening ring can be in a fastening state, the fastening performance of the split pin and the pin shaft is improved, and the phenomenon that the split pin and the pin shaft fall off when in use is avoided;

(2) the structure strength and toughness of the interior of the linear pin rod are improved by the high-strength structure, the reinforcing layer is fixed in the linear pin rod, the structural strength of the interior of the linear pin rod can be improved by the reinforcing layer, the first reinforcing rib and the second reinforcing rib are uniformly distributed in the reinforcing layer, the stress area of the linear pin rod can be increased by the first reinforcing rib and the second reinforcing rib, the force applied to the linear pin rod is dispersed, and the split pin is prevented from deforming;

(3) the wear resistance of the curve pin rod is enhanced through the wear-resistant rubber pad, the straight pin rod is inserted into the pin hole of the pin shaft, the top of the pin shaft can be clamped by the curve pin rod, when the curve pin rod is repeatedly used for a long time, the bottom of the curve pin rod can be abraded, the wear-resistant rubber pad can protect the bottom of the curve pin rod, the wear resistance of the bottom of the curve pin rod can be enhanced through the wear-resistant rubber pad, and the wear-resistant effect is good.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

FIG. 2 is a schematic side view of the fastening structure of the present invention;

fig. 3 is an enlarged partial sectional view of the utility model at a in fig. 1;

fig. 4 is a schematic view of the front view partial section structure of the high-strength structure of the present invention.

In the figure: 1. a linear pin rod; 2. a fastening structure; 201. a fastening ring; 202. fastening a nut; 203. connecting sheets; 204. fastening a bolt; 3. a high strength structure; 301. a reinforcing layer; 302. a first reinforcing rib; 303. a second reinforcing rib; 4. an elastic connection ring; 5. a wear-resistant rubber pad; 6. a curved pin bar; 7. a bending part; 8. wear points.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides an embodiment: a novel high-strength anti-drop light alloy cotter pin comprises a linear pin rod 1, an elastic connecting ring 4, a curve pin rod 6 and a bending part 7, wherein a high-strength structure 3 is arranged inside the linear pin rod 1, the elastic connecting ring 4 is fixed on one side of the linear pin rod 1, the curve pin rod 6 is fixed on one side of the top end of the elastic connecting ring 4, the bending part 7 is fixed on one side of the curve pin rod 6, and a fastening structure 2 is arranged outside the bending part 7;

the fastening structure 2 comprises a fastening ring 201, a fastening nut 202, a connecting sheet 203 and a fastening bolt 204, wherein the fastening ring 201 penetrates through the bending part 7 and the outer part of the linear pin rod 1, the connecting sheet 203 is fixed at the top end of the fastening ring 201, the fastening bolt 204 transversely penetrates through the inner part of the connecting sheet 203, the fastening nuts 202 are installed on two sides of the outer part of the fastening bolt 204, the fastening ring 201 is arranged annularly, and the fastening nuts 202 and the fastening bolt 204 are in threaded connection;

specifically, as shown in fig. 1 and 2, when the mechanism is used, firstly, the linear pin rod 1 is inserted into a pin hole of a pin shaft, the curved pin rod 6 can clamp the top of the pin shaft, the fastening ring 201 is sleeved on the linear pin rod 1 and the outside of the bent part 7 at the same time, the fastening nuts 202 are sequentially screwed, the fastening nuts 202 can rotate outside the fastening bolts 204 and move towards the middle, at the moment, the distance between the two groups of connecting pieces 203 can be reduced, the fastening ring 201 can be in a fastening state, the fastening performance of the split pin and the pin shaft is improved, and the phenomenon that the split pin and the pin shaft fall off when in use is avoided;

the high-strength structure 3 comprises a reinforcing layer 301, first reinforcing ribs 302 and second reinforcing ribs 303, wherein the reinforcing layer 301 is fixed inside the linear pin rod 1, the first reinforcing ribs 302 are arranged inside the reinforcing layer 301, the second reinforcing ribs 303 are fixed on two sides of the first reinforcing ribs 302, the first reinforcing ribs 302 and the second reinforcing ribs 303 are provided with a plurality of reinforcing ribs, and the plurality of first reinforcing ribs 302 and the plurality of second reinforcing ribs 303 are uniformly distributed inside the reinforcing layer 301;

specifically, as shown in fig. 1 and 4, when the mechanism is used, firstly, the reinforcing layer 301 is fixed inside the linear pin rod 1, the reinforcing layer 301 can improve the structural strength inside the linear pin rod 1, the first reinforcing ribs 302 and the second reinforcing ribs 303 are uniformly distributed inside the reinforcing layer 301, the first reinforcing ribs 302 and the second reinforcing ribs 303 can increase the stress area of the linear pin rod 1, the stress on the linear pin rod 1 is dispersed, the structural strength and the toughness inside the linear pin rod 1 are improved, and the split pin is prevented from deforming;

the bottom end of the curved pin rod 6 is fixedly provided with a wear-resistant rubber pad 5, the outer parts of the wear-resistant rubber pads 5 are respectively fixedly provided with a plurality of wear-resistant points 8, and the plurality of wear-resistant points 8 are uniformly distributed on the outer parts of the wear-resistant rubber pads 5;

specifically, as shown in fig. 1 and 3, when using this mechanism, at first, insert straight line pin rod 1 in the pinhole of round pin axle, the top of round pin axle can be blocked to curve pin rod 6, and when curve pin rod 6 used repeatedly for a long time, the bottom of curve pin rod 6 can suffer wearing and tearing, and wear-resisting rubber pad 5 can protect the bottom of curve pin rod 6 this moment, and wear resistance 8 can strengthen the wearability of curve pin rod 6 bottom simultaneously, and wear-resisting effect is better.

The working principle is as follows: when the utility model is used, firstly, the straight pin rod 1 is inserted into the pin hole of the pin shaft, the curved pin rod 6 can block the top of the pin shaft, the fastening ring 201 is simultaneously sleeved outside the straight pin rod 1 and the bending part 7, the fastening nuts 202 are sequentially screwed, the fastening nuts 202 can rotate outside the fastening bolts 204 and move towards the middle, the distance between the two groups of connecting sheets 203 can be reduced at the moment, and the fastening ring 201 can be in a fastening state;

secondly, when the curve pin rod 6 is repeatedly used for a long time, the bottom of the curve pin rod 6 is abraded, the bottom of the curve pin rod 6 can be protected by the wear-resistant rubber pad 5, and meanwhile, the wear resistance of the bottom of the curve pin rod 6 can be enhanced by the wear-resistant points 8;

finally, be fixed in the inside of sharp pin pole 1 through enhancement layer 301, the inside structural strength of sharp pin pole 1 can be improved to enhancement layer 301, and first strengthening rib 302 and second strengthening rib 303 are evenly distributed in the inside of enhancement layer 301, and first strengthening rib 302 and second strengthening rib 303 can increase the lifting surface area of sharp pin pole 1, and the dynamics that receives to sharp pin pole 1 disperses, finally accomplishes the use work of split pin.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a novel high strength anti-drop light alloy split pin, includes sharp pin rod (1), elastic connection circle (4), curve pin rod (6) and portion of bending (7), its characterized in that: a high-strength structure (3) is arranged inside the linear pin rod (1), an elastic connecting ring (4) is fixed on one side of the linear pin rod (1), and one side of the top end of the elastic connecting ring (4) is fixed with a curve pin rod (6), one side of the curve pin rod (6) is fixed with a bending part (7), and the outside of the bending part (7) is provided with a fastening structure (2), the fastening structure (2) comprises a fastening ring (201), a fastening nut (202), a connecting sheet (203) and a fastening bolt (204), the fastening ring (201) penetrates through the bending part (7) and the outer part of the linear pin rod (1), a connecting sheet (203) is fixed at the top end of the fastening ring (201), and a fastening bolt (204) transversely penetrates through the inner part of the connecting sheet (203), and fastening nuts (202) are mounted on two sides of the outer part of the fastening bolt (204).

2. The novel high-strength anti-drop light alloy cotter pin according to claim 1, characterized in that: the fastening ring (201) is arranged in an annular shape, and the fastening nut (202) and the fastening bolt (204) are in threaded connection.

3. The novel high-strength anti-drop light alloy cotter pin according to claim 1, characterized in that: high strength structure (3) are including enhancement layer (301), first strengthening rib (302) and second strengthening rib (303), the inside in sharp pin pole (1) is fixed in enhancement layer (301), the inside of enhancement layer (301) is provided with first strengthening rib (302), and the both sides of first strengthening rib (302) all are fixed with second strengthening rib (303).

4. The novel high-strength anti-drop light alloy cotter pin according to claim 3, characterized in that: first strengthening rib (302) and second strengthening rib (303) all are provided with a plurality of, a plurality of first strengthening rib (302) and second strengthening rib (303) are evenly distributed in the inside of enhancement layer (301).

5. The novel high-strength anti-drop light alloy cotter pin according to claim 1, characterized in that: the bottom end of the curve pin rod (6) is fixed with a wear-resistant rubber pad (5), and the outer part of the wear-resistant rubber pad (5) is fixed with wear-resistant points (8).

6. The novel high-strength anti-drop light alloy cotter pin according to claim 5, characterized in that: the wear-resistant points (8) are all provided with a plurality of wear-resistant points (8) which are uniformly distributed outside the wear-resistant rubber pad (5).