CN212616039U

CN212616039U - Butterfly spring

Info

Publication number: CN212616039U
Application number: CN202020862823.6U
Authority: CN
Inventors: 陈存陆
Original assignee: Zhejiang Longhua Auto Spare Manufactory Co ltd
Current assignee: Zhejiang Longhua Auto Spare Manufactory Co ltd
Priority date: 2020-05-21
Filing date: 2020-05-21
Publication date: 2021-02-26
Anticipated expiration: 2030-05-21

Abstract

The utility model relates to the technical field of spring equipment, in particular to a belleville spring, which comprises a belleville spring body, wherein the belleville spring body comprises a first spring component, a second spring component and a third spring component, the first spring component is arranged on the upper side of the belleville spring body, the second spring component is arranged on the lower side of the first spring component, the third spring component is arranged on the lower side of the second spring component, the first spring component comprises an upper elastic sheet and a lower elastic sheet, the upper elastic sheet is arranged on the upper side of the first spring component, a platform ring is arranged in the middle of the upper side of the upper elastic sheet, a damping and buffering section is arranged on the lower side of the platform ring, the damping and buffering section is provided with uniformly distributed buffering through holes on the upper side, a connecting strap is fixedly arranged on the lower side of the damping and buffering section, the whole equipment, convenient operation, abundant functions, higher stability and practicability and certain popularization value.

Description

Butterfly spring

Technical Field

The utility model relates to a spring equipment technical field specifically is a belleville spring.

Background

The spring is a mechanical part which works by utilizing elasticity, is made of elastic material, is deformed under the action of external force, is recovered to be original after the external force is removed, and is also used as a 'spring', generally, the spring is made of spring steel, and has various types, and is divided into various shapes, and mainly comprises a spiral spring, a plate spring, a special-shaped spring and the like, and a disc spring, also called a Belleville spring washer, is invented by the French people in Belleville, is a washer type spring which is made of metal plate materials or forging blanks, and is a special spring which is conical in the axial direction and bears load, after bearing load deformation, certain potential energy is stored, for example, when bolts are loosened in the occasion of bolt flange connection, the disk spring releases partial potential energy to keep the pressure between the flange connections to meet the sealing requirement, the stress distribution of the disk spring is uniformly decreased from inside to outside, and the effect of low stroke and high compensation force can be realized.

The existing belleville spring is easy to twist and deform in the long-term use process, so that the belleville spring is needed to improve the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a belleville spring 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 belleville spring, includes the belleville spring body, its characterized in that: the disc spring body comprises a first spring assembly, a second spring assembly and a third spring assembly, the first spring assembly is installed on the upper side of the disc spring body, the second spring assembly is installed on the lower side of the first spring assembly, the third spring assembly is installed on the lower side of the second spring assembly, the first spring assembly comprises an upper elastic sheet and a lower elastic sheet, the upper elastic sheet is installed on the upper side of the first spring assembly, a platform ring is installed in the middle of the upper side of the upper elastic sheet, a shock absorption buffering section is installed on the lower side of the platform ring, buffering through holes which are evenly distributed are formed in the upper side of the shock absorption buffering section, a connection lap ring is fixedly installed on the lower side of the shock absorption buffering section, and a lower elastic sheet is installed on the lower side of the upper elastic sheet.

Preferably, the upper elastic sheet and the lower elastic sheet are connected in a welding mode.

Preferably, the second spring assembly is connected with the first spring assembly and the third spring assembly in a welding mode.

Preferably, the upper spring plate and the lower spring plate are symmetrical and the same in structure.

Preferably, the second spring assembly and the third spring assembly have the same structure as the first spring assembly.

Preferably, the shock absorption buffer section is arc-shaped, the buffer through holes are circumferentially distributed on the shock absorption buffer section, and the buffer through holes are oval.

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

1. the utility model discloses in, make it can take place elastic deformation when in-service use for convex through the shock attenuation buffering section that sets up to play the effect of buffering, the mode that meanwhile upside shell fragment and downside shell fragment symmetry set up makes spring assembly's buffering shock attenuation effect better showing, multiunit spring assembly's setting makes holistic buffering effect stronger in addition, and then makes whole device be difficult for impairedly when in-service use.

2. The utility model discloses in, through the evenly distributed's that sets up buffering through-hole can reduce holistic weight to a certain extent, and then play the effect of saving the cost, the platform ring can play the effect of connecting in addition, can also play the effect of direction meanwhile, avoids the condition of lateral bending to appear at the butterfly spring body in the in-service use.

Drawings

FIG. 1 is an overall perspective view of the present invention;

FIG. 2 is an overall sectional view of the present invention;

fig. 3 is a schematic structural diagram of the first spring assembly of the present invention.

In the figure: the damping device comprises a butterfly spring body 1, a first spring assembly 2, a second spring assembly 3, a third spring assembly 4, an upper elastic sheet 5, a lower elastic sheet 6, a platform ring 7, a damping buffer section 8, a buffer through hole 9 and a connection lap ring 10.

Detailed Description

The technical solution 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 some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution:

a belleville spring comprises a first spring assembly 2, a second spring assembly 3 and a third spring assembly 4, wherein the first spring assembly 2 is installed on the upper side of a belleville spring body 1, the second spring assembly 3 is installed on the lower side of the first spring assembly 2, the third spring assembly 4 is installed on the lower side of the second spring assembly 3, the first spring assembly 2 comprises an upper spring sheet 5 and a lower spring sheet 6, the upper spring sheet 5 is installed on the upper side of the first spring assembly 2, a platform ring 7 is installed in the middle of the upper side of the upper spring sheet 5, the platform ring 7 can play a connecting role and can play a guiding role at the same time, the situation that the belleville spring body 1 bends laterally in the actual use process is avoided, a damping buffer section 8 is installed on the lower side of the platform ring 7, and the damping buffer section 8 is arc-shaped so that the damping buffer section can elastically deform in the actual use process, thereby playing a buffering role, the setting of multiunit spring unit makes holistic buffering effect stronger, and then makes whole device be difficult for impairedly when in-service use, evenly distributed's buffering through-hole 9 can reduce holistic weight to a certain extent, and then plays the effect of saving the cost, evenly distributed's buffering through-hole 9 is seted up to the upside of shock attenuation buffering section 8, the downside fixed mounting of shock attenuation buffering section 8 has connection to take ring 10, downside shell fragment 6 is installed to the downside of upside shell fragment 5.

The utility model discloses work flow: during the use, shock attenuation buffering section 8 is convex to make it can take place elastic deformation when in-service use, thereby play the effect of buffering, meanwhile the mode that upside

shell fragment

5 and 6 symmetry settings of downside shell fragment make spring assembly's buffering shock attenuation effect better showing, multiunit spring assembly's setting makes holistic buffering effect stronger in addition, and then make whole device be difficult for impairedly when in-service use, evenly distributed's buffering through-hole 9 can reduce holistic weight to a certain extent, and then play the effect of saving the cost, platform ring 7 can play the effect of connecting in addition, meanwhile can also play the effect of direction, avoid the condition of lateral bending to appear in-service use butterfly spring body 1.

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. A belleville spring, includes belleville spring body (1), its characterized in that: the butterfly spring body (1) comprises a first spring assembly (2), a second spring assembly (3) and a third spring assembly (4), the first spring assembly (2) is installed on the upper side of the butterfly spring body (1), the second spring assembly (3) is installed on the lower side of the first spring assembly (2), the third spring assembly (4) is installed on the lower side of the second spring assembly (3), the first spring assembly (2) comprises an upper elastic sheet (5) and a lower elastic sheet (6), the upper elastic sheet (5) is installed on the upper side of the first spring assembly (2), a platform ring (7) is installed in the middle of the upper side of the upper elastic sheet (5), a damping and buffering section (8) is installed on the lower side of the platform ring (7), and buffering through holes (9) which are uniformly distributed are formed in the upper side of the damping and buffering section (8), the shock attenuation buffer segment (8) the downside fixed mounting have connect take ring (10), downside shell fragment (6) are installed to the downside of upside shell fragment (5).

2. A belleville spring according to claim 1, wherein: the upper elastic sheet (5) and the lower elastic sheet (6) are connected in a welding mode.

3. A belleville spring according to claim 1, wherein: the second spring assembly (3) is connected with the first spring assembly (2) and the third spring assembly (4) in a welding mode.

4. A belleville spring according to claim 1, wherein: the upper elastic sheet (5) and the lower elastic sheet (6) are symmetrical and the same in structure.

5. A belleville spring according to claim 1, wherein: the second spring assembly (3) and the third spring assembly (4) have the same structure as the first spring assembly (2).

6. A belleville spring according to claim 1, wherein: the shock absorption buffer section (8) is arc-shaped, the buffer through holes (9) are circumferentially distributed on the shock absorption buffer section (8), and the buffer through holes (9) are oval.