CN214118704U

CN214118704U - Flat washer with locking function

Info

Publication number: CN214118704U
Application number: CN202120017818.XU
Authority: CN
Inventors: 付仕华
Original assignee: Jiangsu Xingelastic Fastener Co ltd
Current assignee: Beijing Tielong Hengtong Vehicle Equipment Co ltd
Priority date: 2021-01-06
Filing date: 2021-01-06
Publication date: 2021-09-03
Anticipated expiration: 2031-01-06

Abstract

The utility model relates to a technical field of plain washer specifically is a plain washer with locking function, top one side of first plain washer is equipped with the second plain washer, first plain washer is kept away from one side equidistance of the second plain washer is equipped with anti-skidding awl post, first plain washer is kept away from one side equidistance of anti-skidding awl post is equipped with the tooth's socket, fixed being equipped with in below one side of the second plain washer with tooth's socket assorted tooth, the second plain washer is kept away from one side equidistance of tooth is fixed and is equipped with the antislip strip, first plain washer with the screw thread post is located to the equal cover of the second plain washer, the other end of screw thread post is fixed and is equipped with hexagon nut, hexagon nut's outside cover is equipped with the stopper. The device simple structure, convenient operation uses, increases the fastening nature of installation between bolt post and the installed part simultaneously, reduces not hard up at great vibrations condition, great improvement the fastening nature of installation.

Description

Flat washer with locking function

Technical Field

The utility model relates to a technical field of plain washer specifically is a plain washer with locking function.

Background

Flat washers are generally thin pieces of various shapes for reducing friction, preventing leakage, isolating, preventing loosening, or distributing pressure. Such components are found in many materials and structures for performing similar functions of all types. Due to the material and process limitations of threaded fasteners, the bearing surface of fasteners such as bolts is not large, and therefore to reduce the compressive stress of the bearing surface to protect the surface of the connected piece, washers are used, flat washers are frequently used in mechanical connections and are usually placed between the nut and the connected piece to prevent the nut from loosening during use.

The upper end face and the lower end face of the conventional flat washer are mostly smooth planes, the friction force between the smooth planes and the nut and the connected part is very small, and when the nut is subjected to strong vibration, the nut is easy to loosen. Accordingly, those skilled in the art have provided a flat washer having a locking function to solve the problems set forth in the background art described above.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a plain washer with locking function to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a flat gasket with a locking function comprises a first flat gasket, wherein a second flat gasket is arranged on one side above the first flat gasket, anti-skidding cone columns are arranged on one side, away from the second flat gasket, of the first flat gasket at equal intervals, tooth grooves are arranged on one side, away from the anti-skidding cone columns, of the first flat gasket at equal intervals, teeth matched with the tooth grooves are fixedly arranged on one side below the second flat gasket, anti-skidding strips are fixedly arranged on one side, away from the teeth, of the second flat gasket at equal intervals, the first flat gasket and the second flat gasket are both sleeved on a threaded column, a hexagonal nut is fixedly arranged at the other end of the threaded column, a limiting block is sleeved on the outer side of the hexagonal nut, a hexagonal limiting hole matched with the hexagonal nut is formed in the middle of the limiting block, and two positioning holes are formed in the two opposite ends of the limiting block, and positioning columns matched with the positioning holes in the opposite directions are fixedly arranged below the positioning holes and on the second flat gasket.

As a further aspect of the present invention: and an anti-slip pattern is formed on one side surface of each tooth and is in contact with one side of the tooth socket.

As a further aspect of the present invention: and one end of the positioning column, which is far away from the second flat gasket, is fixedly sleeved with a limiting buckle, and one end of the inner wall of the positioning hole is fixedly provided with a limiting clamping block matched with the limiting buckle.

As a further aspect of the present invention: the limiting buckle and the limiting clamping block are both made of elastic rubber materials.

As a further aspect of the present invention: the anti-slip strips are made of elastic rubber materials.

As a further aspect of the present invention: the tooth socket and the teeth are radial tooth sockets and radial teeth.

Compared with the prior art, the beneficial effects of the utility model are that: the first flat gasket and the second flat gasket are sleeved on the threaded column, the teeth and the tooth sockets are aligned, when the hexagonal nut is screwed, the teeth are extruded to enter the tooth sockets, the anti-skidding conical column is extruded to enter the surface of the mounting piece, the stability of connection between the first flat gasket and the second flat gasket is improved, the limiting effect can be achieved, meanwhile, the anti-skidding threads are arranged on one side where the teeth are reversely screwed, the reverse friction force can be increased, the stability and the tightness of connection between the first flat gasket and the second flat gasket are improved, the anti-skidding strip is arranged on one side of the second flat gasket and below the hexagonal nut and is an elastic anti-skidding strip, when the hexagonal nut is extruded, the upward elastic force can be generated on the second flat gasket, the tightness of threaded connection between the threaded column and the mounting piece is improved, the device is simple in structure and convenient to operate and use, and meanwhile, the tightness of installation between the threaded column and the mounting piece is improved, the looseness under the condition of large vibration is reduced, and the installation tightness is greatly improved.

Drawings

Fig. 1 is a schematic structural view of a flat washer having a locking function;

fig. 2 is a side view of a flat washer with a locking function;

fig. 3 is a sectional view of a position limiting plate in a flat washer with a locking function;

fig. 4 is a plan view of a flat washer having a locking function.

In the figure: 1. a first flat gasket; 2. a second flat washer; 3. an anti-skid conical column; 4. a tooth socket; 5. teeth; 6. anti-slip strips; 7. a threaded post; 8. a hexagonal nut; 9. a limiting block; 10. a hexagonal limiting hole; 11. positioning holes; 12. a positioning column; 13. anti-skid lines; 14. a limiting buckle; 15. and a limiting clamping block.

Detailed Description

Referring to fig. 1-4, in an embodiment of the present invention, a flat washer with a locking function includes a first flat washer 1, a second flat washer 2 is disposed on one side of the first flat washer 1, anti-slip conical pillars 3 are equidistantly disposed on one side of the first flat washer 1 away from the second flat washer 2, tooth spaces 4 are equidistantly disposed on one side of the first flat washer 1 away from the anti-slip conical pillars 3, teeth 5 matched with the tooth spaces 4 are fixedly disposed on one side of the second flat washer 2 below, anti-slip strips 6 are equidistantly disposed on one side of the second flat washer 2 away from the teeth 5, the first flat washer 1 and the second flat washer 2 are both sleeved on a threaded pillar 7, a hexagonal nut 8 is fixedly disposed on the other end of the threaded pillar 7, a stopper 9 is sleeved on the outer side of the hexagonal nut 8, a hexagonal stopper hole 10 matched with the nut 8 is disposed in the middle of the stopper 9, two positioning holes 11 are disposed on the opposite ends of the stopper 9, a positioning column 12 matched with the positioning hole 11 is fixedly arranged below the positioning hole and on the second flat gasket 2.

In fig. 1: anti-skidding line 13 has been seted up to a side of tooth 5, and anti-skidding line 13 contacts with one side of tooth's socket 4, increases the counter-rotating frictional force between tooth 5 and the tooth's socket 4, increases stability and the fastening nature of connecting between first, the flat packing ring of second, sets up the messenger to anti-skidding line 13, sets up it in tooth 5 counter-rotating's a side, makes it can increase counter-rotating's frictional force.

In fig. 2 and 3: the fixed cover of the one end of reference column 12 far away from second flat packing ring 2 is equipped with spacing buckle 14, and the fixed spacing fixture block 15 that matches with spacing buckle 14 that is equipped with of inner wall one end of locating hole 11 increases the stability of location between reference column 12 and the locating hole 11.

In fig. 2 and 3: spacing buckle 14 and spacing fixture block 15 are made by elastic rubber material, increase the convenience of installation dismantlement between spacing buckle 14 and the spacing fixture block 15.

In fig. 1, 2 and 4: the anti-slip strips 6 are made of elastic rubber materials, so that the elasticity of the anti-slip strips 6 is increased, and the hexagonal nuts can be provided with upward elastic force.

In fig. 1 and 2: the gullet 4 and the teeth 5 are both radial gullet and radial teeth, increasing the contact before the two.

The utility model discloses a theory of operation is: when the anti-skid device is used specifically, the first flat gasket 1 and the second flat gasket 2 are firstly sleeved on the threaded column 7, the teeth 5 and the tooth grooves 4 are aligned, then the hexagonal nut 8 is rotated to connect the threaded column 7 and the mounting piece, the hexagonal nut 8 is used for pressurizing the second flat gasket 2 in the rotating process, when the second flat gasket 2 is extruded, the second flat gasket 2 is used for extruding the first flat gasket 1, the teeth 5 are extruded into the tooth grooves 4 to be integrated, the hexagonal nut 8 is continuously screwed, the anti-skid conical column 3 on the lower side of the first flat gasket 1 is extruded on the surface of the mounting piece at the moment, the stability of connection between the first flat gasket 1 and the mounting piece is improved, the anti-skid device can play a limiting role, after the anti-skid device is screwed, the hexagonal limiting hole 10 on the limiting block 9 is sleeved on the hexagonal nut 8, and the limiting block 9 is pressed, the positioning hole 11 is aligned with the positioning column 12 to press, so that the limiting block 9 is fixed, meanwhile, the hexagonal limiting hole 10 can limit the hexagonal nut 8, the hexagonal nut 8 is prevented from shaking and rotating under large vibration, the mounting stability is improved, the looseness between the threaded column 7 and the mounting part is avoided, the mounting tightness is improved, the anti-slip strip 6 is arranged on one side of the second flat gasket 2 and below the hexagonal nut 8 and is an elastic anti-slip strip, when the hexagonal nut 8 extrudes the anti-slip strip, upward elastic force can be generated, the tightness of threaded connection between the threaded column 7 and the mounting part is improved, the mounting stability is greatly improved, the anti-slip threads 13 are arranged on one side of the teeth 5 which is twisted reversely, reverse friction force can be increased, and the connection stability and tightness between the first flat gasket and the second flat gasket are improved, the device simple structure, convenient operation uses, increases the fastening nature of installation between bolt post and the installed part simultaneously, reduces not hard up at great vibrations condition, great improvement the fastening nature of installation.

The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A flat gasket with a locking function comprises a first flat gasket (1), and is characterized in that a second flat gasket (2) is arranged on one side above the first flat gasket (1), anti-skidding conical columns (3) are arranged on one side, far away from the second flat gasket (2), of the first flat gasket (1), tooth grooves (4) are arranged on one side, far away from the anti-skidding conical columns (3), of the first flat gasket (1), tooth teeth (5) matched with the tooth grooves (4) are fixedly arranged on one side below the second flat gasket (2), anti-skidding strips (6) are fixedly arranged on one side, far away from the tooth teeth (5), of the second flat gasket (2), of the first flat gasket (1) and the second flat gasket (2) are respectively sleeved on a threaded column (7), and a hexagonal nut (8) is fixedly arranged at the other end of the threaded column (7), the outside cover of hexagonal nut (8) is equipped with stopper (9), the centre of stopper (9) seted up with hexagonal nut (8) assorted spacing hole of hexagonal (10), all set up locating hole (11) that quantity is two on the relative both ends of stopper (9), the below of locating hole (11) just is located it is fixed to be equipped with in assorted reference column (12) on the flat packing ring of second (2).

2. The flat washer with the locking function as claimed in claim 1, characterized in that an anti-slip pattern (13) is formed on one side surface of the teeth (5), and the anti-slip pattern (13) is in contact with one side of the tooth socket (4).

3. The flat washer with locking function as claimed in claim 1, wherein a limit buckle (14) is fixedly secured to an end of the positioning post (12) away from the second flat washer (2), and a limit block (15) matched with the limit buckle (14) is fixedly secured to an end of an inner wall of the positioning hole (11).

4. The flat washer with locking function as claimed in claim 3, wherein the limit buckle (14) and the limit latch (15) are made of elastic rubber material.

5. Flat washer with locking function according to claim 1, characterized in that the cleats (6) are made of elastic rubber material.

6. Flat washer with locking function according to claim 1 characterized in that said gullets (4) and said teeth (5) are both radial gullets and radial teeth.