CN219549345U

CN219549345U - Corrosion-resistant and wear-resistant pin shaft

Info

Publication number: CN219549345U
Application number: CN202320178758.9U
Authority: CN
Inventors: 刘磊; 王金亭; 代瑞西
Original assignee: Qingdao Jindiwei Machinery Co ltd
Current assignee: Qingdao Jindiwei Machinery Co ltd
Priority date: 2023-02-10
Filing date: 2023-02-10
Publication date: 2023-08-18
Anticipated expiration: 2033-02-10

Abstract

The utility model relates to the technical field of pin shafts and discloses an anti-corrosion and wear-resistant pin shaft, which comprises an outer barrel, wherein a plurality of diversion trenches are formed in the outer wall of the outer barrel, a threaded through hole is formed in the outer barrel, a bolt is arranged in the threaded through hole, a clamping groove is formed in the outer wall of the front end of the outer barrel, a fixing ring is arranged at the front end of the outer barrel, a clamping block is fixedly connected to the outer wall of the rear end of the fixing ring, and varnish is arranged on the outer wall of the outer barrel. Compared with the existing pin shaft, the anti-oxidation varnish of the outer cylinder can effectively improve the anti-oxidation purpose of the outer cylinder, the problem that the appearance of the pin shaft is oxidized due to long-term exposure of the pin shaft is avoided, and the anti-corrosion performance of the pin shaft can be effectively improved through the anti-corrosion varnish, so that the problem that the pin shaft is corroded in advance due to long-term use under severe environments is avoided.

Description

Corrosion-resistant and wear-resistant pin shaft

Technical Field

The utility model relates to the technical field of pin shafts, in particular to an anti-corrosion and wear-resistant pin shaft.

Background

The pin shaft is a standardized fastener, can be statically and fixedly connected and can also relatively move with a connected piece, is mainly used for the hinge joint of two parts, is generally locked by a cotter pin, is reliable in work and convenient to detach, can be widely used in the technical fields of engineering equipment, engineering vehicles, automobiles and other machinery, and is often blocked by a large amount of dust entering a pin shaft matching surface due to long-term severe environment when being used in the areas of petroleum, coal yards, construction sites and the like, and is required to be detached and maintained.

Disclosure of Invention

Compared with the existing pin shaft, the anti-corrosion and wear-resistant pin shaft is provided with the bolt and the outer cylinder, when the inside of the pin shaft is corroded, the bolt and the threaded through hole can be unscrewed through the threads, and then the bolt is replaced, so that the problem that all the inside of the pin shaft needs to be replaced after being corroded in the prior art is solved, and the replacement cost of the pin shaft in the later stage can be effectively reduced.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the novel anti-corrosion paint spraying device comprises an outer barrel, wherein a plurality of diversion trenches are formed in the outer wall of the outer barrel, a threaded through hole is formed in the outer barrel, a bolt is arranged in the threaded through hole, a clamping groove is formed in the outer wall of the front end of the outer barrel, a fixing ring is arranged at the front end of the outer barrel, a clamping block is fixedly connected with the outer wall of the rear end of the fixing ring, varnish is arranged on the outer wall of the outer barrel, a wear-resistant layer is arranged at the upper end of the varnish, and anti-corrosion paint is arranged at the upper end of the wear-resistant layer;

through the technical scheme, compared with the existing pin shaft, the pin shaft can be better replaced through the arranged outer cylinder, the replacement cost in the later period can be effectively reduced, and the service time of the pin shaft can be effectively prolonged through the arranged anti-corrosion paint.

Further, the outer wall of the front end of the bolt is fixedly connected with a fixing plate;

through above-mentioned technical scheme, through the front end outer wall fixedly connected with fixed plate of bolt, can twist the bolt more conveniently.

Further, the clamping block is tightly attached to the clamping groove;

through above-mentioned technical scheme, can improve the leakproofness of screw thread through-hole better through fixture block and the inseparable laminating of draw-in groove.

Further, the bolt is fixedly connected with the threaded through hole through threads;

through above-mentioned technical scheme, through bolt and screw thread through-hole through screw thread fixed connection can dismantle the installation better.

Further, a rubber ring is arranged on the inner bottom surface of the diversion trench;

through above-mentioned technical scheme, through the interior bottom surface of guiding gutter being provided with the rubber circle, can prevent effectively that the interior bottom surface of guiding gutter from being corroded.

Further, the fixing ring is made of soft rubber;

through above-mentioned technical scheme, be soft rubber material through the solid fixed ring and can make bolt and screw thread through-hole laminate better.

Further, a fixing hole is formed in one side of the rear end of the outer wall of the outer cylinder;

through the technical scheme, the pin shaft can be more conveniently used in operation through the fixing hole formed in one side of the rear end of the outer wall of the outer cylinder.

The utility model has the following beneficial effects:

1. compared with the existing pin shaft, the anti-corrosion and wear-resistant pin shaft provided by the utility model has the advantages that when the inside of the pin shaft is corroded, the bolt and the threaded through hole can be unscrewed through the threads, and then the bolt is replaced, so that the problem that all the pin shafts need to be replaced after the inside of the pin shaft is corroded in the past is avoided, and the replacement cost of the pin shaft in the later period can be effectively reduced.

2. Compared with the existing pin shaft, the anti-corrosion and wear-resistant pin shaft provided by the utility model has the advantages that the pin shaft can be better replaced through the arranged outer cylinder, the later replacement cost can be effectively reduced, and the service time of the pin shaft can be effectively prolonged through the arranged anti-corrosion paint.

3. Compared with the existing pin shaft, the anti-corrosion and wear-resistant pin shaft provided by the utility model has the advantages that the purpose of anti-oxidation of the outer cylinder can be effectively improved through the varnish, the problem that the appearance of the pin shaft is oxidized due to long-term exposure of the pin shaft is avoided, so that the appearance of the pin shaft is possibly discolored is avoided, the anti-corrosion performance of the pin shaft can be effectively improved through the anti-corrosion varnish, and the problem that the pin shaft is corroded in advance due to long-term use under severe environments is avoided.

Drawings

Fig. 1 is an isometric view of an anti-corrosion and wear-resistant pin provided by the utility model;

fig. 2 is an isometric view of an outer cylinder in an anti-corrosion and wear-resistant pin shaft;

fig. 3 is a schematic structural view of a fixing ring in an anti-corrosion and wear-resistant pin shaft according to the present utility model;

fig. 4 is an isometric view of a bolt in an anti-corrosion and wear-resistant pin provided by the utility model;

fig. 5 is a side sectional view of an outer cylinder in an anti-corrosion and wear-resistant pin shaft and a coating structure schematic diagram thereof.

Legend description:

1. a bolt; 2. an outer cylinder; 3. a rubber ring; 4. a diversion trench; 5. a fixing hole; 6. a fixing plate; 7. a threaded through hole; 8. a clamping groove; 9. a fixing ring; 10. a clamping block; 11. a varnish; 12. a wear-resistant layer; 13. and (5) anticorrosive paint.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, one embodiment provided by the present utility model is: the anti-corrosion paint spraying device comprises an outer barrel 2, wherein a plurality of diversion trenches 4 are formed in the outer wall of the outer barrel 2, a threaded through hole 7 is formed in the outer barrel 2, a bolt 1 is arranged in the threaded through hole 7, a clamping groove 8 is formed in the outer wall of the front end of the outer barrel 2, a fixing ring 9 is arranged at the front end of the outer barrel 2, a clamping block 10 is fixedly connected to the outer wall of the rear end of the fixing ring 9, a varnish 11 is arranged on the outer wall of the outer barrel 2, a wear-resistant layer 12 is arranged at the upper end of the varnish 11, and anti-corrosion paint 13 is arranged at the upper end of the wear-resistant layer 12;

compared with the existing pin shaft, the pin shaft can be better replaced through the arranged outer cylinder 2, the later replacement cost can be effectively reduced, and the service time of the pin shaft can be effectively prolonged through the arranged anti-corrosion paint 13.

The front end outer wall fixedly connected with fixed plate 6 of bolt 1 can twist bolt 1 more conveniently through the front end outer wall fixedly connected with fixed plate 6 of bolt 1, fixture block 10 closely laminates with draw-in groove 8, can improve the leakproofness of screw thread through-hole 7 better through fixture block 10 and draw-in groove 8 closely laminating, bolt 1 passes through screw thread fixed connection with screw thread through-hole 7, can dismantle the installation better through screw thread fixed connection through bolt 1 and screw thread through-hole 7, the interior bottom surface of guiding gutter 4 is provided with rubber circle 3, the interior bottom surface of guiding gutter 4 can be prevented effectively by the rubber circle 3 through the interior bottom surface of guiding gutter 4 from being corroded, fixed ring 9 is soft rubber material, can make bolt 1 laminate with screw thread through-hole 7 better through fixed ring 9 for soft rubber material, fixed orifices 5 have been seted up to one side of outer wall rear end of urceolus 2, can be more conveniently with this round pin axle by work and be used.

Working principle: when the pin shaft is corroded in the pin shaft for a long time, the screw thread can be unscrewed through the screw thread through holes 7 of the bolt 1 and the outer cylinder 2, then the bolt 1 is replaced, the clamping block 10 is placed in the clamping groove 8 during replacement, then a new bolt 1 is screwed into the screw thread through holes 7, corrosive liquid can be prevented from flowing into the screw thread through holes 7 through the fixing ring 9, so that the pin shaft is corroded in the pin shaft, the external liquid can be guided through the guide groove 4, the oxidation resistance of the pin shaft can be effectively improved through the varnish 11, the wear resistance of the pin shaft can be effectively improved through the wear-resisting layer 12, and the corrosion resistance of the pin shaft can be effectively improved through the anti-corrosion paint 13.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The utility model provides an anticorrosive wear-resisting round pin axle, includes urceolus (2), its characterized in that: the outer wall of urceolus (2) has seted up a plurality of guiding gutter (4), threaded through-hole (7) have been seted up to the inside of urceolus (2), threaded through-hole (7)'s inside is provided with bolt (1), draw-in groove (8) have been seted up to the front end outer wall of urceolus (2), the front end of urceolus (2) is provided with solid fixed ring (9), the rear end outer wall fixedly connected with fixture block (10) of solid fixed ring (9), the outer wall of urceolus (2) is provided with varnish (11), the upper end of varnish (11) is provided with wearing layer (12), the upper end of wearing layer (12) is provided with anticorrosive paint (13).

2. The anti-corrosion and wear-resistant pin shaft according to claim 1, wherein: the outer wall of the front end of the bolt (1) is fixedly connected with a fixing plate (6).

3. The anti-corrosion and wear-resistant pin shaft according to claim 1, wherein: the clamping block (10) is tightly attached to the clamping groove (8).

4. The anti-corrosion and wear-resistant pin shaft according to claim 1, wherein: the bolt (1) is fixedly connected with the threaded through hole (7) through threads.

5. The anti-corrosion and wear-resistant pin shaft according to claim 1, wherein: the inner bottom surface of the diversion trench (4) is provided with a rubber ring (3).

6. The anti-corrosion and wear-resistant pin shaft according to claim 1, wherein: the fixing ring (9) is made of soft rubber.

7. The anti-corrosion and wear-resistant pin shaft according to claim 1, wherein: one side of the rear end of the outer wall of the outer cylinder (2) is provided with a fixing hole (5).