CN216111710U

CN216111710U - Pin shaft with anti-skid structure

Info

Publication number: CN216111710U
Application number: CN202121931960.1U
Authority: CN
Inventors: 杨文松
Original assignee: Shanghai Luge Mechanical Equipment Co ltd
Current assignee: Shanghai Luge Mechanical Equipment Co ltd
Priority date: 2021-08-17
Filing date: 2021-08-17
Publication date: 2022-03-22
Anticipated expiration: 2031-08-17

Abstract

The utility model discloses a pin shaft with an anti-skidding structure, which comprises a protective sleeve, wherein an anti-skidding groove is formed in the outer wall of the protective sleeve, a through hole a is formed in the outer wall of the protective sleeve and is positioned on one side of the anti-skidding groove, a fixing bolt penetrates through the inner side of the through hole a, a pin shaft main body is movably mounted on the inner side of the protective sleeve, a supporting piece is mounted on the inner side of the pin shaft main body, a connecting groove is formed in the top end of the pin shaft main body, the inner side of the connecting groove is connected with a connector b through threads, and a sealing cover plate is mounted on the outer wall of the connector b. According to the utility model, the pin shaft main body is movably arranged on the inner side of the protective sleeve, so that the pin shaft main body can slide on the inner side of the protective sleeve, the limit block is embedded on the inner side of the limit groove, the stability of the pin shaft main body in sliding is ensured, the installation and the disassembly of the pin shaft main body by workers are convenient, the working efficiency of replacing the pin shaft main body by the workers is improved, and the use by the workers is convenient.

Description

Pin shaft with anti-skid structure

Technical Field

The utility model relates to the technical field of pin shafts, in particular to a pin shaft with an anti-skidding structure.

Background

The pin shaft is a standardized fastener, can be fixedly connected statically, can also move relative to a connected piece, is mainly used for the hinged part of two parts to form hinged connection, but the pin shaft does not have a protection structure when in use, so that the pin shaft can be worn and reduced in service life after being used for a long time, and the pin shaft is easy to slide due to the fact that the pin shaft does not have an anti-slip structure.

The pin shaft in the prior art has the defects that:

1. the reference CN205478773U shows a pin roll, which includes a pin roll body, an oil filling hole is provided on an axial end face of the pin roll body, an oil outlet hole penetrating through the oil filling hole is radially provided on a surface of the pin roll body, and an oil groove is provided on the surface of the pin roll body, wherein the oil groove is arranged in a closed wave-shaped configuration on an arc surface of the pin roll body. The oil groove can disperse radial force borne by the pin shaft during working, the wavy closed structure reduces breakpoints or concave points on the surface of the pin shaft to the maximum extent, and the potential safety hazard of pin shaft breakage caused by stress concentration can be effectively avoided, but in use, the installation and the disassembly of workers are facilitated, the workers are troublesome in pin shaft replacement, and the replacement work of the workers is inconvenient;

2. when the pin shaft in the prior art is used, the pin shaft does not have a protection structure, so that the pin shaft can be worn in a long-time use, the service life of the pin shaft is shortened, and the pin shaft does not have an anti-skid structure, so that the pin shaft is easy to slide.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a pin shaft with an anti-skidding structure so as to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme that the pin shaft with the anti-skidding structure comprises a protective sleeve, wherein an anti-skidding groove is formed in the outer wall of the protective sleeve, a through hole a is formed in the outer wall of the protective sleeve and is positioned on one side of the anti-skidding groove, and a fixing bolt penetrates through the inner side of the through hole a;

a pin shaft main body is movably arranged on the inner side of the protective sleeve, and a supporting piece is arranged on the inner side of the pin shaft main body;

the top of round pin axle main part has seted up the spread groove, there is connector b the inboard of spread groove through threaded connection, and the apron is installed to the outer wall of connector b.

Preferably, the limiting plate is installed to the bottom of lag, and the outer wall of lag has been seted up and has been had the oil storage tank, and the both sides that are located anti-skidding groove of oil storage tank.

Preferably, the inner wall of the protective sleeve is provided with a plurality of limiting grooves.

Preferably, the top of gim peg is installed and is limited the head, and connector a is installed to the bottom of gim peg, and there is fixation nut outer wall through threaded connection of connector a.

Preferably, the outer wall of the pin shaft main body is provided with a through hole b, the fixing bolt penetrates through the through hole b, the outer wall of the pin shaft main body is provided with a limiting block, and the limiting block is embedded on the inner side of the limiting groove.

Preferably, the inner side of the supporting member is provided with a penetrating sleeve in a penetrating manner, the fixing bolt penetrates through the penetrating sleeve, the inner side of the supporting member is provided with a supporting rod, and the supporting rod is positioned on one side of the penetrating sleeve.

Preferably, the outer wall of the sealing cover plate is provided with a mounting groove, and the inner side of the mounting groove is provided with a rotating buckle.

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

1. according to the utility model, the pin shaft main body is movably arranged on the inner side of the protective sleeve, so that the pin shaft main body can slide on the inner side of the protective sleeve, the limit block is embedded on the inner side of the limit groove, the stability of the pin shaft main body in sliding is ensured, the stability of the pin shaft main body on the inner side of the protective sleeve can be ensured, workers can conveniently install and detach the pin shaft main body, the working efficiency of replacing the pin shaft main body by the workers is improved, and the use by the workers is facilitated.

2. According to the utility model, the pin shaft main body can be protected through the protective sleeve, so that the abrasion of the pin shaft main body is reduced, lubricating oil can be stored in the oil storage tank, the abrasion of the protective sleeve can be reduced through the lubricating oil, the service life of the protective sleeve is prolonged, the service life of the pin shaft main body is prolonged, the anti-skidding effect of the protective sleeve can be enhanced through the anti-skidding groove, and the protective sleeve is not easy to slide.

Drawings

FIG. 1 is a schematic view of the overall split structure of the present invention;

FIG. 2 is a schematic view of the construction of the protective cover of the present invention;

FIG. 3 is a schematic cross-sectional view of the main body of the pin shaft of the present invention;

fig. 4 is a schematic structural diagram of the fixing bolt of the present invention.

In the figure: 1. a protective sleeve; 101. a limiting plate; 102. an anti-slip groove; 103. an oil storage tank; 104. a limiting groove; 105. a through hole a; 2. a fixing bolt; 201. a limiting head; 202. a connector a; 203. fixing a nut; 3. a pin shaft main body; 301. a through hole b; 302. a limiting block; 303. connecting grooves; 4. a support member; 401. penetrating through the sleeve; 402. a support bar; 5. sealing the cover plate; 501. mounting grooves; 502. rotating the buckle; 503. and a connector b.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1, 2 and 4, a pin with an anti-slip structure,

the first embodiment is as follows: the anti-skidding pin shaft protecting sleeve is characterized in that an anti-skidding groove 102 is formed in the outer wall of the protecting sleeve 1, a through hole a105 is formed in the outer wall of the protecting sleeve 1, the through hole a105 is located on one side of the anti-skidding groove 102, a limiting plate 101 is installed at the bottom end of the protecting sleeve 1, an oil storage groove 103 is formed in the outer wall of the protecting sleeve 1, the oil storage groove 103 is located on two sides of the anti-skidding groove 102, the pin shaft main body 3 can be protected through the protecting sleeve 1, abrasion on the pin shaft main body 3 is reduced, lubricating oil can be stored through the inside of the oil storage groove 103, abrasion on the protecting sleeve 1 can be reduced through the lubricating oil, the service life of the protecting sleeve 1 is prolonged, the service life of the pin shaft main body 3 is prolonged, the anti-skidding effect of the protecting sleeve 1 can be improved through the anti-skidding groove 102, the protecting sleeve 1 is not easy to slide, a fixing bolt 2 is installed on the inner side of the through hole a105 in a penetrating manner, a limiting head 201 is installed on the top of the fixing bolt 2, the bottom end of the fixing bolt 2 is provided with a connector a202, the outer wall of the connector a202 is connected with a fixing nut 203 through threads, the fixing bolt 2 penetrates through the through hole a105, the through hole b301 and the penetrating sleeve 401, the pin shaft main body 3 and the support member 4 can be fixed, the stability of the pin shaft main body 3 and the support member 4 is ensured, and the outer wall of the connector a202 is connected with the fixing nut 203 through threads, so that the stability of the fixing bolt 2 can be ensured;

referring to fig. 1, 2 and 4, a pin with an anti-slip structure,

example two: the inner wall of the protecting sleeve 1 is provided with a plurality of limiting grooves 104, the inner side of the protecting sleeve 1 is movably provided with a pin shaft main body 3, the outer wall of the pin shaft main body 3 is provided with a through hole b301, the fixing bolt 2 penetrates through the through hole b301, the outer wall of the pin shaft main body 3 is provided with a limiting block 302, the limiting block 302 is embedded in the inner side of the limiting groove 104, the pin shaft main body 3 is movably arranged through the inner side of the protecting sleeve 1, so that the pin shaft main body 3 can slide in the inner side of the protecting sleeve 1, the limiting block 302 is embedded in the inner side of the limiting groove 104, the stability of the pin shaft main body 3 in sliding is ensured, the stability of the pin shaft main body 3 in the inner side of the protecting sleeve 1 can be ensured, a worker can conveniently install and detach the pin shaft main body 3, the working efficiency of the worker for replacing the pin shaft main body 3 is improved, the worker can conveniently use, and the supporting piece 4 is arranged on the inner side of the pin shaft main body 3, the inner side of the supporting part 4 is provided with a through sleeve 401 in a penetrating way, the fixing bolt 2 penetrates through the through sleeve 401, the inner side of the supporting part 4 is provided with a supporting rod 402, the supporting rod 402 is positioned at one side of the through sleeve 401, the pin shaft main body 3 can be supported by the supporting part 4, the structural strength of the pin shaft main body 3 is improved, the pin shaft main body 3 is not easy to break in use, the service life of the pin shaft main body 3 is prolonged, the supporting part 4 can be supported by the supporting rod 402 to ensure the structural strength of the supporting part 4, the weight of the supporting part 4 can be reduced, and therefore, the weight of the pin shaft main body 3 is reduced, the top end of the pin shaft main body 3 is provided with a connecting groove 303, the inner side of the connecting groove 303 is connected with a connecting head b503 through threads, the outer wall of the connecting head b503 is provided with a sealing cover plate 5, the outer wall of the sealing plate 5 is provided with a mounting groove 501, the inner side of the mounting groove 501 is provided with a rotating buckle 502, and the inner side of the connecting head b503 is connected through threads, thereby guarantee the stability that closing cap board 5 and round pin axle body 3 are connected, can cover the top of round pin axle body 3 through closing cap board 5, guarantee support piece 4's stability, can provide the mounted position for rotating knot 502 through spread groove 303, can be convenient for the staff through rotating knot 502 and install closing cap board 5.

The working principle is that the pin shaft main body 3 can be protected through the protective sleeve 1, the abrasion of the pin shaft main body 3 is reduced, lubricating oil can be stored through the inside of the oil storage tank 103, the abrasion of the protective sleeve 1 can be reduced through the lubricating oil, the anti-skid effect of the protective sleeve 1 can be enhanced through the anti-skid groove 102, so that the protective sleeve 1 is not easy to slide, the pin shaft main body 3 and the supporting piece 4 can be fixed through the through hole a105, the through hole b301 and the through sleeve 401 which are penetrated through the fixing bolt 2, the fixing nut 203 is connected to the outer wall of the connector a202 through threads, the stability of the fixing bolt 2 can be ensured, the pin shaft main body 3 is movably installed on the inner side of the protective sleeve 1 through the inner side of the protective sleeve 1, the limit block 302 is embedded on the inner side of the limit groove 104, the stability of the pin shaft main body 3 during sliding is ensured, and the stability of the pin shaft main body 3 on the inner side of the protective sleeve 1 can be ensured, can support round pin axle main part 3 through support piece 4, improve the structural strength of round pin axle main part 3, guarantee that round pin axle main part 3 is difficult for the rupture in the use, improve round pin axle main part 3's life, can support piece 4 through bracing piece 402 and guarantee support piece 4's structural strength, and can alleviate support piece 4's weight, thereby reduce round pin axle main part 3's weight, there is connector b503 through threaded connection in the inboard through spread groove 303, thereby guarantee the stability that closing cap board 5 and round pin axle main part 3 are connected, can cover the top of round pin axle main part 3 through closing cap board 5, guarantee support piece 4's stability, can provide the mounted position for rotating buckle 502 through spread groove 303, it can be convenient for the staff's installation closing cap board 5 to detain 502 through rotating.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model 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 round pin axle with antiskid structure, includes lag (1), its characterized in that: the anti-skidding protective sleeve is characterized in that an anti-skidding groove (102) is formed in the outer wall of the protective sleeve (1), a through hole a (105) is formed in the outer wall of the protective sleeve (1), the through hole a (105) is located on one side of the anti-skidding groove (102), and a fixing bolt (2) penetrates through the inner side of the through hole a (105);

a pin shaft main body (3) is movably arranged on the inner side of the protective sleeve (1), and a supporting piece (4) is arranged on the inner side of the pin shaft main body (3);

connecting groove (303) have been seted up on the top of round pin axle main part (3), there is connector b (503) inboard through threaded connection of connecting groove (303), and closing cap board (5) are installed to the outer wall of connector b (503).

2. The pin shaft with the anti-skid structure as claimed in claim 1, wherein: limiting plate (101) are installed to the bottom of lag (1), and oil storage tank (103) have been seted up to the outer wall of lag (1), and the both sides that are located anti-skidding groove (102) of oil storage tank (103).

3. The pin shaft with the anti-skid structure as claimed in claim 1, wherein: the inner wall of the protective sleeve (1) is provided with a plurality of limiting grooves (104).

4. The pin shaft with the anti-skid structure as claimed in claim 1, wherein: the top of gim peg (2) is installed stopper (201), and connector a (202) are installed to the bottom of gim peg (2), and there is fixation nut (203) outer wall through threaded connection of connector a (202).

5. The pin shaft with the anti-skid structure as claimed in claim 1, wherein: through hole b (301) has been seted up to the outer wall of round pin axle main part (3), and gim peg (2) run through in through hole b (301), and stopper (302) are installed to the outer wall of round pin axle main part (3), and stopper (302) gomphosis is in the inboard of spacing groove (104).

6. The pin shaft with the anti-skid structure as claimed in claim 1, wherein: the inner side of the supporting piece (4) is provided with a through sleeve (401) in a penetrating mode, the fixing bolt (2) penetrates through the through sleeve (401), the inner side of the supporting piece (4) is provided with a supporting rod (402), and the supporting rod (402) is located on one side of the through sleeve (401).

7. The pin shaft with the anti-skid structure as claimed in claim 1, wherein: the outer wall of the sealing cover plate (5) is provided with a mounting groove (501), and the inner side of the mounting groove (501) is provided with a rotating buckle (502).