CN212868161U

CN212868161U - Anti-corrosion flat washer

Info

Publication number: CN212868161U
Application number: CN202021341673.0U
Authority: CN
Inventors: 郄旭东; 许庆磊; 吕慰
Original assignee: Hebei Wanke High Molecular New Material Technology Co ltd
Current assignee: Hebei Wanke High Molecular New Material Technology Co ltd
Priority date: 2020-07-10
Filing date: 2020-07-10
Publication date: 2021-04-02
Anticipated expiration: 2030-07-10

Abstract

The utility model discloses an anti-corrosion plain washer, which comprises a plain washer main body, wherein one side of the plain washer main body is provided with a first drainage groove, the middle part of the plain washer main body is provided with a first notch, the middle part of the first notch is provided with a second notch, the outer side of the first notch is sleeved with a rubber pad, and a plurality of rubber lugs are laid at the bottom end of the plain washer main body. The practicability of the flat washer is improved.

Description

Anti-corrosion flat washer

Technical Field

The utility model relates to a plain washer, in particular to anti-corrosion plain washer.

Background

Flat washers, also known as flat pads, are mainly stamped from sheet iron and are generally in the shape of a flat washer with a hole in the middle, flat washers are generally thin members of various shapes for reducing friction, preventing leakage, isolating, preventing loosening or distributing pressure, such members being available in many materials and constructions for performing similar functions, subject to the material and process limitations of threaded fasteners, the bearing surface of fasteners such as bolts, etc., being not large, thus protecting the surface of the connected piece from compressive stresses in the bearing surface.

In the prior art, the flat gasket between the screw rod and the nut has requirements on hardness, most of the flat gasket is made of metal, the metal gasket is long in daily life, the metal gasket is often corroded and rusted, inconvenience is brought to later-stage disassembly, the existing flat gasket has no anti-seismic effect, and frequent fluctuation easily causes the flat gasket and the nut to be loosened.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a flat packing ring that anticorrosives to it corrodes easily to rust to bring inconvenience, and do not have the undulant easy problem that leads to flat packing ring and nut not hard up of antidetonation effect, regularity to the dismantlement in later stage to propose flat packing ring in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an anticorrosive plain washer, includes the plain washer main part, first drainage groove has been seted up to one side of plain washer main part, first notch has been seted up at the middle part of plain washer main part, the second notch has been seted up at the middle part of first notch, the outside cover of first notch is equipped with the rubber pad, a plurality of rubber lug have been laid to the bottom of plain washer main part.

As a preferred technical scheme of the utility model, the rubber pad includes rubber pad main part, rubber manger plate edge and rubber embedded rod circle, the top fixedly connected with rubber manger plate edge of rubber pad main part, the top of rubber pad main part is provided with a plurality of little lugs.

As an optimized technical scheme of the utility model, the second drainage groove has been seted up to one side on rubber manger plate edge, and second drainage groove and first drainage groove are corresponding.

As a preferred technical scheme of the utility model, the embedded bar groove has been seted up at the middle part of rubber pad main part, and the outside in embedded bar groove and the inner wall of second notch laminate mutually.

As a preferred technical scheme of the utility model, the inner wall fixedly connected with rubber of inserted bar groove top inlays the rod circle, and the outside sliding connection of rubber inserted rod circle and screw rod.

As an optimal technical scheme of the utility model, the radius on rubber manger plate edge is greater than the radius of first notch, the bottom on rubber manger plate edge is laminated mutually with the surface on plain packing ring main part top.

As an optimal technical scheme of the utility model, the bottom of the little lug on rubber pad main part top and nut is laminated mutually, first notch radius is greater than the radius of nut, and the nut is located the inside on rubber manger plate edge.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses set up first drainage groove, the rubber manger plate is followed and rubber embedded rod circle, when running through the embedded rod inslot portion with the screw rod, rubber embedded rod circle texture is thinner, can hug closely the screw rod surface and crooked to the screw rod direction, when treating the screw rod steady, the screw rod surface is hugged closely to the rubber embedded rod circle, make the rainwater gather in rubber embedded rod circle department, during fastening part, screw up the nut, make half of nut be located rubber manger plate along inside, the nut is located the ponding of rubber pad department and is gathered and flow from first drainage groove department at rubber embedded rod circle department ponding last, liquid such as rainwater has been avoided reacting in the screw rod and has aroused the corruption, the life of plain washer has been improved.

2. The utility model discloses set up rubber lug, during fastening part, screwed up the nut for the bottom of nut and the little lug on rubber pad main part top are laminated mutually, and rubber lug and the surface of connecting piece are laminated mutually, and when the connecting piece was undulant, the little lug and the rubber lug on rubber pad main part top had played fine cushioning effect, had avoided the plain washer to produce the not hard up condition because of vibrations, improved the practicality of plain washer.

Drawings

Fig. 1 is a schematic structural view of the present invention;

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

fig. 3 is a schematic bottom view of the present invention;

fig. 4 is a schematic structural view of the middle rubber pad of the present invention.

In the figure: 1. a flat washer body; 2. a first drainage groove; 3. a first notch; 4. a second notch; 5. a rubber pad; 6. a rubber bump; 7. a rubber pad main body; 8. a rubber water retaining edge; 9. a second drainage groove; 10. a rod embedding groove; 11. rubber embedded rod rings.

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. 1-3, the present invention provides a technical solution of an anti-corrosion flat washer:

according to fig. 1, including plain washer main part 1, first drainage groove 2 has been seted up to one side of plain washer main part 1, first notch 3 has been seted up at the middle part of plain washer main part 1, second notch 4 has been seted up at the middle part of first notch 3, the outside cover of first notch 3 is equipped with rubber pad 5, a plurality of rubber lug 6 have been laid to the bottom of plain washer main part 1, the bottom of rubber lug 6 and the surface of connecting piece laminate mutually, when the connecting piece is undulant, rubber lug 6 has played fine cushioning effect.

As shown in FIG. 4, the rubber gasket 5 comprises a rubber gasket main body 7, a rubber water retaining edge 8 and a rubber embedded rod ring 11, the rubber water retaining edge 8 is fixedly connected to the top end of the rubber gasket main body 7, a plurality of small bumps are arranged on the top end of the rubber gasket main body 7 and are attached to the bottom end of a nut, a good damping effect is achieved, the flat gasket is prevented from loosening due to vibration, a second drainage groove 9 is formed in one side of the rubber water retaining edge 8, the second drainage groove 9 corresponds to the first drainage groove 2, the nut and accumulated water in the rubber gasket 5 and accumulated water accumulated in the rubber embedded rod ring 11 finally flow out of the first drainage groove 2, an embedded rod groove 10 is formed in the middle of the rubber gasket main body 7, the outer side of the embedded rod groove 10 is attached to the inner wall of the second notch 4, the rubber embedded rod ring 11 is fixedly connected to the inner wall of the top end of the embedded rod groove 10, and the rubber embedded rod ring 11 is slidably connected to, the rubber-embedded rod ring 11 is tightly attached to the surface of the screw, so that rainwater is accumulated at the rubber-embedded rod ring 11 and finally drained out of the first drainage groove 2.

According to fig. 1, the radius of the rubber water retaining edge 8 is larger than that of the first notch 3, the bottom of the rubber water retaining edge 8 is attached to the surface of the top of the flat gasket main body 1, the small bump on the top of the rubber gasket main body 7 is attached to the bottom of the nut, the radius of the first notch 3 is larger than that of the nut, the nut is located inside the rubber water retaining edge 8, and when a part is fastened, the nut is screwed down, so that half of the nut is located inside the rubber water retaining edge 8.

When in specific use, the utility model relates to an anti-corrosion flat gasket, firstly, a screw rod penetrates into an embedded rod groove 10, a rubber embedded rod ring 11 is thin and can be tightly attached to the surface of the screw rod to be bent towards the moving direction of the screw rod, when the screw rod is stable, the rubber embedded rod ring 11 is tightly attached to the surface of the screw rod, rainwater can accumulate at the rubber embedded rod ring 11, when parts are fastened, the screw cap is screwed down, half of the screw cap is positioned inside the rubber water retaining edge 8, the screw cap is jointed with accumulated water at the rubber pad 5 and accumulated water at the rubber embedded rod ring 11 and finally flows out from the first drainage groove 2, when the screw cap is screwed down, the bottom end of the screw cap is jointed with the small lug at the top end of the rubber pad main body 7, the rubber lug 6 is jointed with the surface of the connecting piece, when the connecting piece fluctuates, the small lug at the top end of the rubber pad main body 7 and the rubber lug 6 play a good role in shock absorption, and the condition that the flat gasket is loosened due to vibration is avoided.

In the description of the present invention, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An anti-corrosion flat gasket, comprising a flat gasket body (1), characterized in that: first drainage groove (2) have been seted up to one side of plain washer main part (1), first notch (3) have been seted up at the middle part of plain washer main part (1), second notch (4) have been seted up at the middle part of first notch (3), the outside cover of first notch (3) is equipped with rubber pad (5), a plurality of rubber lug (6) have been laid to the bottom of plain washer main part (1).

2. An anti-corrosion flat gasket according to claim 1, characterized in that: the rubber pad (5) comprises a rubber pad main body (7), a rubber water retaining edge (8) and a rubber embedded rod ring (11), the rubber water retaining edge (8) is fixedly connected to the top end of the rubber pad main body (7), and a plurality of small convex blocks are arranged on the top end of the rubber pad main body (7).

3. An anti-corrosion flat gasket according to claim 2, characterized in that: and a second drainage groove (9) is formed in one side of the rubber water retaining edge (8), and the second drainage groove (9) corresponds to the first drainage groove (2).

4. An anti-corrosion flat gasket according to claim 2, characterized in that: the middle part of the rubber pad main body (7) is provided with a rod embedding groove (10), and the outer side of the rod embedding groove (10) is attached to the inner wall of the second notch (4).

5. An anti-corrosion flat gasket according to claim 4, characterized in that: the inner wall of the top end of the embedded rod groove (10) is fixedly connected with a rubber embedded rod ring (11), and the rubber embedded rod ring (11) is connected with the outer side of the screw rod in a sliding mode.

6. An anti-corrosion flat gasket according to claim 2, characterized in that: the radius of the rubber water retaining edge (8) is larger than that of the first notch (3), and the bottom end of the rubber water retaining edge (8) is attached to the surface of the top end of the flat gasket main body (1).

7. An anti-corrosion flat gasket according to claim 2, characterized in that: the small convex block at the top end of the rubber pad main body (7) is attached to the bottom end of the nut, the radius of the first notch (3) is larger than that of the nut, and the nut is located inside the rubber water retaining edge (8).