CN212838908U

CN212838908U - Long-stroke compensating anti-loosening washer set

Info

Publication number: CN212838908U
Application number: CN202021290967.5U
Authority: CN
Inventors: 吴凌平; 吴思航; 周兴; 宋明昭
Original assignee: Fordson Suzhou General Equipment Co ltd
Current assignee: Fordson Suzhou General Equipment Co ltd
Priority date: 2020-07-03
Filing date: 2020-07-03
Publication date: 2021-03-30
Anticipated expiration: 2030-07-03

Abstract

The utility model discloses a long stroke is check washer group for compensation, the utility model relates to a packing ring technical field, long stroke is check washer group for compensation includes: the left end and the right end of the inclined plate are respectively connected with the left end and the right end of the two base plates into a whole, four reset springs which are distributed at equal intervals are vertically fixed on the left side of the upper surface of the inclined plate and the right side of the lower surface of the inclined plate, and the two base plates are connected with the reset springs through the inclined plate; the first gasket is fixed in the middle of the upper surface of the upper backing plate, and a second gasket with the same diameter as the first gasket is arranged above the first gasket; the beneficial effects of the utility model reside in that: the friction force between the gasket and the gasket is increased, the connectivity between the gasket and the screw is enhanced, the anti-loosening performance is improved, and the pretightening force of the threads is increased.

Description

Long-stroke compensating anti-loosening washer set

Technical Field

The utility model belongs to the technical field of the packing ring technique and specifically relates to a long stroke is lock washer group for compensation is related to.

Background

The new-type packing ring comprises two, its unique embedded structure has changed traditional packing ring and has mainly reached locking mode through frictional force, but adopts the international most advanced locking technique, utilize the tension between two gaskets to reach locking and tight dual effect of system, current packing ring is when using, the connectivity and the frictional force between packing ring and the packing ring and between packing ring and the screw are not strong enough, lead to the screw pretightning force decline when threaded rod and packing ring cooperation use, its locking performance also slowly becomes, and then leads to threaded connection inefficacy.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the problem that the aforesaid exists and not enough, provide an increase the frictional force between packing ring and the packing ring to the connectivity between reinforcing packing ring and the screw improves its locking performance, increases the long stroke for compensation lock washer group of the pretightning force of screw thread.

In order to achieve the purpose, the adopted technical scheme is as follows:

a lock washer set for long stroke compensation, comprising:

the two base plates are arranged in parallel up and down, an inclined plate is arranged between the two base plates, the left end and the right end of the inclined plate are respectively connected with the left end and the right end of the two base plates into a whole, four reset springs which are distributed at equal intervals are vertically fixed on the left side of the upper surface of the inclined plate and the right side of the lower surface of the inclined plate, and the two base plates are connected with the reset springs through the inclined plate;

the first gasket is fixed in the middle of the upper surface of the upper backing plate, a second gasket with the same diameter as the first gasket is arranged above the first gasket, and a circle of inclined teeth which are annularly and equidistantly arranged are fixed on the outer sides of the lower surface of the second gasket and the outer side of the upper surface of the first gasket; through holes which are communicated with each other are formed in the center of the upper surface of the base plate, the center of the upper surface of the inclined plate, the center of the upper surface of the first gasket and the center of the upper surface of the second gasket;

the screw head, screw head below intermediate position vertical fixation has the threaded rod, just the threaded rod end passes the through-hole in packing ring two, packing ring one, backing plate and the swash plate in proper order, the threaded rod end runs through out the below the backing plate lower surface, just the screw head lower surface outside is fixed with round raised grain face, two upper surface outsides of packing ring are fixed with round corrugated face.

Preferably, the joint of the inclined plate and the backing plate is arc-shaped.

Preferably, the tail ends of the return springs are fixedly connected with the backing plate.

Preferably, the helical teeth of the first washer are meshed with the helical teeth of the second washer.

Preferably, the screw head is located on the upper surface of the second gasket, and the convex grain surface corresponds to the concave grain surface up and down.

Preferably, a gasket is attached to the middle of the lower surface of the lower backing plate.

By adopting the technical scheme, the beneficial effects are as follows:

the helical tooth with among the second packing ring is in the same place with the helical tooth meshing on a packing ring surface, alright like this with increase the frictional force between packing ring one and the packing ring two, also improve the connectivity between packing ring one and the packing ring two simultaneously and in the hole that the twist of threaded rod needs the installation with the fastness through the mode of meshing, make reset spring between swash plate and the backing plate slowly compressed, and the interval between swash plate and the backing plate slowly reduces, go into the raised grain face card of screw head lower surface rather than the concave grain face that corresponds again, can increase frictional force and connectivity between screw and the packing ring like this, the pretightning force and the locking performance of screw have effectively been improved, reinforcing threaded connection's connection effect.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings of the embodiments of the present invention will be briefly described below. The drawings are intended to depict only some embodiments of the invention, and not all embodiments of the invention are limited thereto.

Fig. 1 is a schematic view of the overall three-dimensional structure of the present invention;

FIG. 2 is a schematic view of the overall front plan structure of the present invention;

fig. 3 is a schematic view of a three-dimensional structure of the cushion plate, the first gasket and the second gasket of the present invention.

The labels in the figure are: the device comprises a base plate 1, a sloping plate 101, a return spring 102, a first washer 103, a sloping tooth 104, a second washer 105, a concave grain surface 106, a through hole 107, a gasket 108, a screw head 2, a convex grain surface 201 and a threaded rod 202.

Detailed Description

In order to make the purpose, technical features and technical effects of the technical solution of the present invention clearer, the drawings of the embodiments of the present invention are combined together, and the example solution of the embodiments of the present invention is clearly and completely described.

Referring to fig. 1 to 3, the present application is a long stroke compensating lock washer set including:

the two base plates 1 are arranged, the two base plates 1 are arranged in parallel up and down, an inclined plate 101 in an inclined shape is arranged between the two base plates 1, the left end and the right end of the inclined plate 101 are respectively connected with the left end and the right end of the two base plates 1 into a whole, four reset springs 102 which are arranged at equal intervals are vertically fixed on the left side of the upper surface of the inclined plate 101 and the right side of the lower surface of the inclined plate 101, the two base plates 1 are connected with the reset springs 102 through the inclined plate 101, the joint of the inclined plate 101 and the base plates 1 is in an arc shape, the tail ends of the reset springs 102 are fixedly connected with the base plates 1, and a gasket;

specifically, through the base plate 1, when a gasket is used, the bottommost surface of the base plate 1 is directly contacted with the surface of an installation position, and a certain anti-skidding and more stable effect can be achieved through the gasket 108, and the reset spring 102 is arranged between the inclined plate 101 and the base plate 1, so that the elastic space between the base plate 1 and the inclined plate 101 can be enhanced through the reset spring 102, and a certain buffering and damping effect can be achieved;

the first washer 103 is fixed in the middle of the upper surface of the upper backing plate 1, the second washer 105 with the same diameter is arranged above the first washer 103, a circle of inclined teeth 104 which are annularly and equidistantly arranged are fixed on the outer side of the lower surface of the second washer 105 and the outer side of the upper surface of the first washer 103, and the inclined teeth 104 in the first washer 103 are meshed with the inclined teeth 104 in the second washer 105;

the center of the upper surface of the base plate 1, the center of the upper surface of the inclined plate 101, the center of the upper surface of the first gasket 103 and the center of the upper surface of the second gasket 105 are provided with through holes 107 which are communicated with each other;

the screw head 2 is characterized in that a threaded rod 202 is vertically fixed at the middle position below the screw head 2, the tail end of the threaded rod 202 sequentially penetrates through a second gasket 105, a first gasket 103, a base plate 1 and a through hole 107 in the inclined plate 101, the tail end of the threaded rod 202 penetrates through the lower surface of the base plate 1 below, a circle of convex grain surface 201 is fixed on the outer side of the lower surface of the screw head 2, a circle of concave grain surface 106 is fixed on the outer side of the upper surface of the second gasket 105, the screw head 2 is located on the upper surface of the second gasket 105, and the convex grain surface 201 corresponds to the concave;

furthermore, the user passes the end of the threaded rod 202 through the through hole 107, and engages the helical teeth 104 of the second washer 105 with the helical teeth 104 of the surface of the first washer 103, so as to increase the friction force between the first washer 103 and the second washer 105, and at the same time, the connection and firmness between the first washer 103 and the second washer 105 are improved by the engagement, then the user screws the end of the threaded rod 202 into the hole to be installed, with the continuous increase of the tightening force, the return spring 102 between the swash plate 101 and the backing plate 1 is slowly compressed, the distance between the swash plate 101 and the backing plate 1 is slowly reduced, and since the joint of the swash plate 101 and the backing plate 1 is arc-shaped, the pressure when the distance between the swash plate 101 and the backing plate 1 is reduced can be effectively dispersed, after the threaded rod 202 is tightened, the convex surface 201 of the lower surface of the screw head 2 is clamped into the concave surface 106 corresponding to the convex surface, therefore, the friction force and the connectivity between the screw and the gasket can be increased, the pretightening force and the anti-loosening performance of the screw are effectively improved, and the connection effect of threaded connection is enhanced.

In the present specification, each embodiment is described with emphasis on differences from other embodiments, and the same or similar parts between the embodiments may be referred to each other.

Unless otherwise defined, technical or scientific terms used in the present embodiments should have the ordinary meaning as understood by those having ordinary skill in the art to which the present invention belongs. In the present specification, the terms "upper", "lower", "left" and "right" are used for the sake of clarity only, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof are also considered to be the scope of the present invention without substantial changes in the technical content. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect.

Exemplary embodiments of the present invention have been described in detail with reference to the preferred embodiments, however, it will be understood by those skilled in the art that various modifications and changes may be made to the above specific embodiments without departing from the scope of the present invention, and various combinations of the technical features and structures of the present invention may be implemented without departing from the scope of the present invention, which is defined by the appended claims.

Claims

1. A check washer set for long stroke compensation, characterized in that, the check washer set for long stroke compensation includes:

the device comprises base plates (1), wherein two base plates (1) are arranged, the two base plates (1) are arranged in parallel up and down, an inclined plate (101) is arranged between the two base plates (1), the left end and the right end of the inclined plate (101) are respectively connected with the left end and the right end of the two base plates (1) into a whole, four reset springs (102) which are distributed at equal intervals are vertically fixed on the left side of the upper surface of the inclined plate (101) and the right side of the lower surface of the inclined plate (101), and the two base plates (1) are connected with the reset springs (102) through the inclined plate (101);

the first gasket (103) is fixed at the middle position of the upper surface of the backing plate (1) above, a second gasket (105) with the same diameter is arranged above the first gasket (103), and a circle of inclined teeth (104) which are annularly and equidistantly arranged are fixed on the outer side of the lower surface of the second gasket (105) and the outer side of the upper surface of the first gasket (103); through holes (107) which are communicated with each other are formed in the center of the upper surface of the base plate (1), the center of the upper surface of the inclined plate (101), the center of the upper surface of the first gasket (103) and the center of the upper surface of the second gasket (105);

screw head (2), screw head (2) below intermediate position vertical fixation threaded rod (202), just through-hole (107) in packing ring two (105), packing ring (103), backing plate (1) and swash plate (101) are passed in proper order to threaded rod (202) end, threaded rod (202) end runs through the below backing plate (1) lower surface, just screw head (2) lower surface outside is fixed with round raised grain surface (201), packing ring two (105) upper surface outside is fixed with round concave grain surface (106).

2. The lock washer assembly for long stroke compensation as claimed in claim 1, wherein: the inclined plate (101) is connected with the backing plate (1) to form an arc shape.

3. The lock washer assembly for long stroke compensation as claimed in claim 1, wherein: the tail ends of the return springs (102) are fixedly connected with the base plate (1).

4. The lock washer assembly for long stroke compensation as claimed in claim 1, wherein: the helical teeth (104) in the first washer (103) are meshed with the helical teeth (104) in the second washer (105).

5. The lock washer assembly for long stroke compensation as claimed in claim 1, wherein: the screw head (2) is positioned on the upper surface of the second gasket (105), and the convex grain surface (201) corresponds to the concave grain surface (106) up and down.

6. The lock washer assembly for long stroke compensation as claimed in claim 1, wherein: a gasket (108) is attached to the middle of the lower surface of the lower backing plate (1).