CN219492847U - Anti-loosening flat gasket - Google Patents

Abstract

The utility model discloses an anti-loosening flat gasket, which belongs to the technical field of gaskets, wherein a gasket body comprises an upper supporting plate, a lower supporting plate and a buffer plate, the upper supporting plate, the lower supporting plate and the buffer plate are clamped and fixed with each other, the surfaces of the upper supporting plate and the lower supporting plate are respectively fixedly connected with an upper clamping ring and a lower clamping ring, and the two surfaces of the buffer plate are respectively provided with an upper clamping groove and a lower clamping groove.

Description

Anti-loosening flat gasket

Technical Field

The utility model relates to the technical field of gaskets, in particular to a loose-proof flat gasket.

Background

The flat gasket is a thin piece of connecting parts, has a small thickness, can be used for reducing friction between two parts, preventing leakage or loosening of the parts, and the like, is usually used as a fastener, and has very wide application in the field of mechanical installation.

At present, the flat gasket is more in variety, in order to prevent that the flat gasket from having the locking function when using, all can set up locking structure, but the flat gasket that uses always can all adopt spring assembly to produce elasticity and carry out locking, and not only the structure is complicated, has increased the equipment degree of difficulty of flat gasket, and the area of stress is little great has reduced locking effect moreover.

For example, publication No. CN215805676U discloses a loose-proof flat gasket, which includes a flat gasket body, a fixing module detachably installed outside the flat gasket body for reinforcement, a supporting module connected outside the flat gasket body for supporting the fixing module, a loose-proof module connected to the lower side of the supporting module for increasing friction, a shock-absorbing module connected to the loose-proof module for buffering external force, and a connection assembly installed outside the fixing module for connecting the whole structure; the anti-loosening module extends outwards to the outer side of the fixing module, elastic elements capable of stretching elastically are arranged in the damping module, and the elastic elements are uniformly distributed on the inner side of the supporting module.

According to the scheme disclosed by the above, the damping module elastically supports the anti-slip element to protrude out of the surface of the gasket through the elastic element, so that the contact area between the damping module and the nut is small, the anti-loosening effect is reduced, and the elastic element is fixed inside the gasket, so that the assembly is complicated and troublesome.

Disclosure of Invention

Aiming at the problems existing in the prior art, the utility model aims to provide the anti-loosening flat gasket, which has the advantages that the flat gasket has the function of compressing elastic force when being extruded by the aid of the upper supporting plate, the lower supporting plate and the buffer plate, the anti-loosening flat gasket is simple in structure and convenient to assemble, the surface areas of the upper supporting plate, the lower supporting plate and the buffer plate are the same, so that the stress area is large, the anti-loosening effect is greatly improved, the buffer plate can be prevented from being worn by the upper supporting plate and the lower supporting plate, and the service life of the flat gasket is greatly prolonged.

In order to solve the problems, the utility model adopts the following technical scheme.

The utility model provides a lockwasher, includes the packing ring body, the packing ring body includes supporting plate, lower supporting plate and buffer piece, it is fixed to go up mutual joint between supporting plate, the lower supporting plate and the buffer piece, go up clamping ring and lower clamping ring of fixedly connected with respectively on the surface of supporting plate, lower supporting plate, two surfaces of buffer piece are provided with draw-in groove and lower draw-in groove respectively, go up the inner wall of draw-in groove and lower clamping groove respectively with go up the surface contact connection of clamping ring and lower clamping ring, go up supporting plate and lower supporting plate's surface fixedly connected with anti-skidding strip respectively and anti-skidding strip down, this lockwasher has compression elasticity's effect through last supporting plate, lower supporting plate and the buffer piece of setting for the lockwasher when receiving the extrusion, and then play locking function, simple structure moreover, and the surface area of last supporting plate, lower supporting plate and the buffer piece of setting is the same, thereby makes the lockwasher effect that has not only greatly improved, goes up supporting plate and lower supporting plate and can prevent that the buffer piece from receiving the life of the lockwasher greatly.

Further, the central positions of the upper supporting plate, the lower supporting plate and the buffer plate are respectively provided with an upper through hole, a lower through hole and a connecting hole, and the upper supporting plate, the lower supporting plate and the buffer plate are concentric and coaxial and have the same inner diameter.

Further, the cross section shape of the upper clamping ring and the lower clamping ring is T-shaped, the cross section shape of the upper clamping groove and the lower clamping groove is the same as the cross section shape of the upper clamping ring and the lower clamping ring, the anti-falling limiting function is realized, and the assembly and the later-stage independent replacement are convenient.

Further, the upper anti-slip strips and the lower anti-slip strips are strip-shaped and distributed at equal intervals in an annular shape, so that the anti-slip function is achieved, and the anti-slip capacity of the surface of the gasket is improved.

Furthermore, the upper supporting plate and the lower supporting plate are made of elastic metal materials, and the surfaces of the upper supporting plate and the lower supporting plate can be prevented from being worn.

Furthermore, the buffer sheet is made of extrusion-resistant and corrosion-resistant rubber, and has the action of compression elasticity when being extruded, so that the gasket has the function of preventing the nut from loosening.

Compared with the prior art, the utility model has the advantages that:

this scheme is through last backing sheet, the lower support piece that set up and buffer sheet for the flat washer has the effect of compression elasticity when receiving the extrusion, and then plays locking function, simple structure moreover, and the equipment is convenient.

The surface area of the upper supporting plate, the surface area of the lower supporting plate and the surface area of the buffer plate are the same, so that the stress area is larger, the anti-loosening effect is greatly improved, the buffer plate can be prevented from being worn by the upper supporting plate and the lower supporting plate, and the service life of the flat gasket is greatly prolonged.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a top view of the upper support sheet structure of the present utility model;

fig. 3 is a bottom view of the upper support sheet structure of the present utility model.

The reference numerals in the figures illustrate:

the novel anti-slip washer comprises a washer body, an upper supporting plate, an upper anti-slip strip, an upper through hole, an upper clamping ring, a lower supporting plate, a lower anti-slip strip, a lower through hole, a lower clamping ring, a buffer plate, an upper clamping groove, a lower clamping groove and a connecting hole, wherein the upper clamping groove is formed in the washer body, the upper supporting plate, the upper anti-slip strip is arranged on the upper supporting plate, the upper clamping ring is arranged on the upper supporting plate, the lower clamping ring is arranged on the upper supporting plate, the upper clamping ring.

Description of the embodiments

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.

Example 1: referring to fig. 1-3, an anti-loosening flat gasket comprises a gasket body 1, the gasket body 1 comprises an upper supporting plate 11, a lower supporting plate 15 and a buffer plate 19, the upper supporting plate 11, the lower supporting plate 15 and the buffer plate 19 are clamped and fixed with each other, rapid assembly is facilitated, after damage, individual components can be replaced, the upper supporting plate 11 and the lower supporting plate 15 have elasticity, under the supporting action of the upper clamping ring 14 and the lower clamping ring 18, when the upper supporting plate 11 and the lower supporting plate 15 are used independently, the anti-loosening function is achieved, the upper supporting plate 11, the lower supporting plate 15 and the buffer plate 19 can be used independently when in actual need, and all have anti-loosening functions, the surfaces of the upper supporting plate 11 and the lower supporting plate 15 are fixedly connected with the upper clamping ring 14 and the lower clamping ring 18 respectively, the two surfaces of the buffer plate 19 are provided with an upper clamping groove 20 and a lower clamping groove 21 respectively, the inner walls of the upper clamping groove 20 and the lower clamping groove 21 are connected with the surfaces of the upper clamping ring 14 and the lower clamping ring 18 respectively, and the upper supporting plate 11 and the lower supporting plate 15 are connected with an anti-loosening strip 16 respectively, and the upper supporting plate 11 and the lower supporting plate 15 are fixedly connected with the upper sliding strip 16 respectively.

The center positions of the upper supporting sheet 11, the lower supporting sheet 15 and the buffer sheet 19 are respectively provided with an upper through hole 13, a lower through hole 17 and a connecting hole 22, the upper supporting sheet 11, the lower supporting sheet 15 and the buffer sheet 19 are concentric and coaxial, the inner diameters are the same, the cross section shapes of the upper clamping ring 14 and the lower clamping ring 18 are T-shaped, the cross section shapes of the upper clamping groove 20 and the lower clamping groove 21 are the same as the cross section shapes of the upper clamping ring 14 and the lower clamping ring 18, the anti-falling limiting function is realized, the assembly and the later independent replacement are facilitated, the buffer sheet 19 is made of extrusion-resistant corrosion-resistant rubber, and the gasket has the function of compression elasticity when being extruded, so that the gasket has the function of preventing the nut from loosening.

In this embodiment, through last backing sheet 11, lower backing sheet 15 and the buffer sheet 19 that set up for the plain washer has the effect of compression elasticity when receiving the extrusion, and then plays locking function, simple structure moreover, the equipment is convenient.

Example 2: referring to fig. 1-3, an anti-loosening flat gasket comprises a gasket body 1, the gasket body 1 comprises an upper supporting plate 11, a lower supporting plate 15 and a buffer plate 19, the upper supporting plate 11, the lower supporting plate 15 and the buffer plate 19 are clamped and fixed with each other, rapid assembly is facilitated, after damage, individual components can be replaced, the upper supporting plate 11 and the lower supporting plate 15 have elasticity, under the supporting action of the upper clamping ring 14 and the lower clamping ring 18, when the upper supporting plate 11 and the lower supporting plate 15 are used independently, the anti-loosening function is achieved, the upper supporting plate 11, the lower supporting plate 15 and the buffer plate 19 can be used independently when in actual need, and all have anti-loosening functions, the surfaces of the upper supporting plate 11 and the lower supporting plate 15 are fixedly connected with the upper clamping ring 14 and the lower clamping ring 18 respectively, the two surfaces of the buffer plate 19 are provided with an upper clamping groove 20 and a lower clamping groove 21 respectively, the inner walls of the upper clamping groove 20 and the lower clamping groove 21 are connected with the surfaces of the upper clamping ring 14 and the lower clamping ring 18 respectively, and the upper supporting plate 11 and the lower supporting plate 15 are connected with an anti-loosening strip 16 respectively, and the upper supporting plate 11 and the lower supporting plate 15 are fixedly connected with the upper sliding strip 16 respectively.

The upper anti-slip strips 12 and the lower anti-slip strips 16 are all strip-shaped, the upper anti-slip strips 12 and the lower anti-slip strips 16 are distributed at equal intervals in an annular shape, the anti-slip function is achieved, the anti-slip capacity of the surface of a gasket is improved, the upper supporting plate 11 and the lower supporting plate 15 are made of elastic metal materials, and the surfaces of the upper supporting plate 11 and the lower supporting plate 15 can avoid abrasion of the buffer plate 19.

In this embodiment, the surface areas of the upper supporting plate 11, the lower supporting plate 15 and the buffer plate 19 are the same, so that the stress area is larger, the anti-loosening effect is greatly improved, the upper supporting plate 11 and the lower supporting plate 15 can prevent the buffer plate 19 from being worn, and the service life of the flat gasket is greatly prolonged.

The surface of this lockwasher moves when using, the surface contact of last backing sheet 11 and nut, the surface contact of lower backing sheet 15 and the surface contact of work piece, when the nut is screwed up, go up backing sheet 11 and lower backing sheet 15 and extrude buffer sheet 19 simultaneously, thereby make buffer sheet 19 produce compression elasticity, prevent that the nut is not hard up, go up backing sheet 11 through setting up, lower backing sheet 15 and buffer sheet 19, make the lockwasher when receiving the extrusion, have compression elasticity's effect, and then play the locking function, moreover, the steam generator is simple in structure, and the equipment is convenient, and the surface area of last backing sheet 11 that sets up, lower backing sheet 15 and buffer sheet 19 is the same, thereby make the atress area great, not only great improvement locking effect, go up backing sheet 11 and lower backing sheet 15 can prevent that buffer sheet 19 from receiving wearing and tearing, great improvement the life of lockwasher.

The above description is only of the preferred embodiments of the present utility model; the scope of the utility model is not limited in this respect. Any person skilled in the art, within the technical scope of the present disclosure, may apply to the present utility model, and the technical solution and the improvement thereof are all covered by the protection scope of the present utility model.

Claims (6)

1. The utility model provides a lockwasher, includes packing ring body (1), its characterized in that: the gasket comprises a gasket body (1), and is characterized in that the gasket body comprises an upper supporting plate (11), a lower supporting plate (15) and a buffer plate (19), wherein the upper supporting plate (11), the lower supporting plate (15) and the buffer plate (19) are fixedly clamped with each other, an upper clamping ring (14) and a lower clamping ring (18) are fixedly connected to the surfaces of the upper supporting plate (11) and the lower supporting plate (15) respectively, an upper clamping groove (20) and a lower clamping groove (21) are respectively arranged on two surfaces of the buffer plate (19), the inner walls of the upper clamping groove (20) and the lower clamping groove (21) are respectively connected with the surfaces of the upper clamping ring (14) and the lower clamping ring (18) in a contact manner, and an upper anti-slip strip (12) and a lower anti-slip strip (16) are fixedly connected to the surfaces of the upper supporting plate (11) and the lower supporting plate (15) respectively.

2. A lockwasher as in claim 1 wherein: the center positions of the upper supporting plate (11), the lower supporting plate (15) and the buffer plate (19) are respectively provided with an upper through hole (13), a lower through hole (17) and a connecting hole (22), and the upper supporting plate (11), the lower supporting plate (15) and the buffer plate (19) are concentric and coaxial and have the same inner diameter.

3. A lockwasher as in claim 1 wherein: the cross-sectional shapes of the upper clamping ring (14) and the lower clamping ring (18) are T-shaped, and the cross-sectional shapes of the upper clamping groove (20) and the lower clamping groove (21) are the same as the cross-sectional shapes of the upper clamping ring (14) and the lower clamping ring (18).

4. A lockwasher as in claim 1 wherein: the upper anti-slip strips (12) and the lower anti-slip strips (16) are strip-shaped, and the upper anti-slip strips (12) and the lower anti-slip strips (16) are distributed in an annular equidistant mode.

5. A lockwasher as in claim 1 wherein: the upper supporting sheet (11) and the lower supporting sheet (15) are made of elastic metal materials.

6. A lockwasher as in claim 1 wherein: the buffer sheet (19) is made of extrusion-resistant and corrosion-resistant rubber.