CN210344125U - Disc spring for disc spring assembly and disc spring assembly - Google Patents
Disc spring for disc spring assembly and disc spring assembly Download PDFInfo
- Publication number
- CN210344125U CN210344125U CN201920984345.3U CN201920984345U CN210344125U CN 210344125 U CN210344125 U CN 210344125U CN 201920984345 U CN201920984345 U CN 201920984345U CN 210344125 U CN210344125 U CN 210344125U
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- disc spring
- supporting surface
- spring
- belleville spring
- disc
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Abstract
The utility model relates to a belleville spring and belleville spring sub-assembly for belleville spring sub-assembly, including the belleville spring main part, the outer end side of belleville spring main part is equipped with the axial first holding surface of perpendicular to, and the inner side is equipped with the axial second holding surface of perpendicular to, and the inner of belleville spring main part is equipped with hollow axle sleeve portion, and axle sleeve portion is equipped with at least one inserted sheet portion to first holding surface direction axial extension along circumference, and is equipped with the interval setting between inserted sheet portion and with the inserted sheet portion of quantity such as inserted sheet portion. When a pair of belleville spring superposes from top to bottom, laminating from top to bottom with another belleville spring's first supporting surface and being connected, the inserted sheet portion of inner corresponds the setting with another belleville spring's slot part, when warping when reaching belleville spring's limit, inserted sheet portion inserts slot part completely and supports another belleville spring, prevents to continue to warp, and the length of inserted sheet portion sets up according to the maximum deflection that belleville spring can bear.
Description
Technical Field
The utility model relates to a belleville spring and belleville spring sub-assembly for belleville spring sub-assembly.
Background
The disc spring is a special spring which is conical in the axial direction and bears load, certain potential energy is stored after the disc spring bears load deformation, and when the bolt is loosened, the disc spring releases partial potential energy to keep the pressure between the flange connections to meet the sealing requirement. The stress distribution of the disc spring is uniformly decreased from inside to outside, and the effect of low stroke and high compensation force can be realized. Because the deformation and load value of the single disc spring can not meet the use requirement, the single disc spring can be used in groups to form a disc spring assembly (column). The typical combination mode is a superposition combination disc spring, a composite combination disc spring and other combination disc springs. The existing disc spring has the problems of easy deformation transition, influence on service life and elasticity.
Disclosure of Invention
The utility model aims at overcoming the shortcoming and not enough that prior art exists, and provide a belleville spring and belleville spring sub-assembly for belleville spring sub-assembly.
The utility model discloses the technical scheme who takes as follows: the utility model provides a belleville spring for belleville spring sub-assembly, includes the belleville spring main part, the outer end side of belleville spring main part is equipped with the axial first holding surface of perpendicular to, and the inner side is equipped with the axial second holding surface of perpendicular to, the inner of belleville spring main part is equipped with hollow axle sleeve portion, axle sleeve portion is equipped with at least one to the axial inserted sheet portion of extending of first holding surface direction along circumference, and is equipped with the interval setting between inserted sheet portion and with the inserted sheet portion slot portion of quantity such as inserted sheet portion.
Through above-mentioned structure, when a pair of belleville spring superposes from top to bottom, first holding surface is laminated from top to bottom with another belleville spring's first holding surface and is connected, and the inserted sheet portion of inner corresponds the setting with another belleville spring's slot part, and when warping when reaching belleville spring's limit, inserted sheet portion inserts slot part completely and supports another belleville spring, prevents to continue to warp, and the length of inserted sheet portion sets up according to the biggest deflection that belleville spring can bear. When a plurality of pairs of disc springs are superposed up and down, the second supporting surfaces are respectively connected with the second supporting surfaces of the other pair.
The axial distance from the end of the insert part to the second support surface is greater than the axial distance from the first support surface to the second support surface and less than twice the axial distance from the first support surface to the second support surface for the disc spring to be able to withstand a smaller maximum deformation.
Preferably, be equipped with a plurality of locating convex blocks along circumference equidistant on the first holding surface to and set up along circumference between the locating convex block in the equidistant positioning groove of twice locating convex block, locating convex block and positioning groove adaptation, the arc length of inserted sheet portion equals with the arc length of slot portion.
When the disc springs are vertically overlapped, the inner end and the outer end of each disc spring are respectively connected with the upper disc spring and the lower disc spring or the connecting pieces, and if the connecting pieces at the two ends of the disc spring assembly rotate or are used on the rotating shaft, the inner end and the outer end of each disc spring are easily twisted and dislocated, so that the service life is influenced. Through the structure, when the pair of disc springs is vertically stacked, the positioning lug is arranged in the positioning groove of the other disc spring, and the inserting piece part is inserted into the inserting groove part of the other disc spring, so that the two disc springs are kept synchronous inside and outside.
The maximum deformation that can bear is great to belleville spring, the axial distance of the tip of inserted sheet portion to second holding surface is less than the axial distance of first holding surface to second holding surface, be equipped with a plurality of location lugs along circumference equidistant on the first holding surface to and along the equidistant positioning groove in twice location lug that circumference set up between the location lug, location lug and positioning groove adaptation, the quantity of location lug equals with the quantity of inserted sheet portion. The positioning lug and the positioning groove are arranged to be aligned conveniently during assembly.
The positioning lug is hemispherical. Convenient processing, and the deformation of the belleville spring can not generate larger resistance
The inner ring of the first supporting surface is adjacent to a third supporting surface, the third supporting surface is arranged in an inclined mode in the axial direction, and the inclination is smaller than the integral inclination of the disc spring main body. When the disc spring is loaded, the third supporting surfaces are abutted, so that the single-point contact of each compressed disc spring is changed into plane contact, the stress condition is improved, and the service life is prolonged.
The outer boundary of the third supporting surface is adjacent to the inner end of the positioning lug.
The inner ring of the first supporting surface is adjacent to a third supporting surface, the third supporting surface is arranged in an inclined mode in the axial direction, and the inclination is smaller than the integral inclination of the disc spring main body.
A disc spring assembly comprises a cylindrical shaft sleeve, wherein an even number of stacked disc springs for the disc spring assembly are sleeved outside the shaft sleeve, a spring bottom plate is fixedly arranged at one end of the shaft sleeve, an annular spring pressing plate is connected to the other end of the shaft sleeve, the spring bottom plate and the spring pressing plate are respectively abutted to two ends of the stacked disc springs, and one end of the shaft sleeve, which is connected with the spring pressing plate, protrudes outwards to form a limiting part located at the outer end of the spring pressing plate. The assembling process of the disc spring assembly is separated, the disc spring assembly can be customized according to the requirements of the inner diameter, the outer diameter, the pretightening force, the deformation and the load value provided by customers by a spring manufacturing party, the disc spring assembly can be directly installed, parts at two ends of the butt joint of the spring bottom plate and the spring pressing plate are installed, and during loading, the spring pressing plate moves towards the spring bottom plate, and the plurality of stacked disc spring bodies deform. During assembly, the disc spring body is sequentially sleeved outside the shaft sleeve, the spring pressing plate is placed after the sleeving is finished, and one end of the shaft sleeve is limited to the spring pressing plate through stamping.
One end of the shaft sleeve connected with the spring pressing plate is provided with a notch, and a limiting part is formed on the spring pressing plate through stamping and bending.
The utility model discloses has following effect: through the setting of inserted sheet portion and slot portion, play the restriction to the biggest deformation volume of belleville spring, prevent that belleville spring transition from deforming, influence life and elasticity.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings obtained from these drawings still belong to the scope of the present invention without inventive laboriousness.
FIG. 1 is a bottom view of a disc spring in embodiment 1;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;
FIG. 3 is a cross-sectional view taken along line B-B of FIG. 1;
FIG. 4 is a schematic structural view of a pair of disk springs stacked one on top of the other in example 1;
FIG. 5 is an enlarged view of A in FIG. 4;
FIG. 6 is a schematic structural view of a disc spring assembly according to example 1;
FIG. 7 is a schematic structural view of a pair of disk springs stacked one on top of the other in example 2;
in the drawings, 1, a disc spring body; 2, a first supporting surface; 3, a second supporting surface; 4, an insert part; 5, a slot part; 6, positioning the bump; 7, positioning a groove; 8, a third supporting surface; 9, a shaft sleeve; 901, a limiting part; 10, a spring bottom plate; and 11, spring pressing plates.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings.
It should be noted that all expressions using "first" and "second" in the embodiments of the present invention are used for distinguishing two entities with the same name but different names or different parameters, and it is understood that "first" and "second" are only used for convenience of expression and should not be understood as limitations to the embodiments of the present invention, and the following embodiments do not describe any more.
The terms of direction and position in the present invention, such as "up", "down", "front", "back", "left", "right", "inside", "outside", "top", "bottom", "side", etc., refer to the direction and position of the attached drawings. Accordingly, the use of directional and positional terms is intended to illustrate and understand the present invention and is not intended to limit the scope of the invention.
Example 1:
as shown in fig. 1-5, a belleville spring for belleville spring sub-assembly, including belleville spring main part 1, the outer end side of belleville spring main part 1 is equipped with perpendicular to axial first holding surface 2, and the inner side is equipped with perpendicular to axial second holding surface 3, the inner of belleville spring main part 1 is equipped with axle sleeve portion, axle sleeve portion is equipped with at least one to 2 direction axial extension's of first holding surface inserted sheet portions 4 along circumference, and is equipped with the interval setting between inserted sheet portions 4 and with inserted sheet portion 4 equal quantity of slotting part 5.
The axial distance of the end of the insert part 4 to the second support surface 3 is greater than the axial distance of the first support surface 2 to the second support surface 3 and less than twice the axial distance of the first support surface 2 to the second support surface 3.
The insert part 4 can be arranged relatively thin and short, avoiding the influence on the elasticity of the disc spring.
Be equipped with a plurality of positioning lug 6 along circumference equidistant on the first holding surface 2 to and set up along circumference between the positioning lug 6 in the positioning groove 7 of twice positioning lug 6 equidistant, positioning lug 6 and positioning groove 7 adaptation, the arc length of inserted sheet portion 4 equals with the arc length of slot portion 5.
The positioning lug 6 is hemispherical.
The inner ring of the first supporting surface 2 is adjacent to a third supporting surface 8, the third supporting surface 8 is arranged in an inclined mode in the axial direction, and the inclination is smaller than the integral inclination of the disc spring main body 1.
The outer boundary of the third support surface 8 abuts the inner end of the positioning lug 6.
The inner ring of the first supporting surface 2 is adjacent to a third supporting surface 8, the third supporting surface 8 is arranged in an inclined mode in the axial direction, and the inclination is smaller than the integral inclination of the disc spring main body 1.
As shown in fig. 6, a disc spring assembly includes a cylindrical shaft sleeve 9, and an even number of stacked disc springs for a disc spring assembly, which are sleeved outside the shaft sleeve 9, wherein one end of the shaft sleeve 9 is fixedly provided with a spring bottom plate 10, the other end of the shaft sleeve 9 is connected with an annular spring pressing plate 11, the spring bottom plate 10 and the spring pressing plate 11 are respectively abutted against two ends of the stacked disc springs, and one end of the shaft sleeve 9, which is connected with the spring pressing plate 11, protrudes outwards to form a limiting portion 901 located at the outer end of the spring pressing plate 11.
One end of the shaft sleeve 9, which is connected with the spring pressing plate 11, is provided with a notch, and a limiting part 901 is formed on the spring pressing plate 11 through stamping and bending.
Example 2:
as shown in fig. 7, different from embodiment 1, an axial distance from an end of the inserting piece portion 4 to the second supporting surface 3 is smaller than an axial distance from the first supporting surface 2 to the second supporting surface 3, a plurality of positioning protrusions 6 are circumferentially arranged on the first supporting surface 2 at equal intervals, positioning grooves 7 are circumferentially arranged between the positioning protrusions 6 at equal intervals of the two positioning protrusions 6, the positioning protrusions 6 are matched with the positioning grooves 7, and the number of the positioning protrusions 6 is equal to that of the inserting piece portions 4.
The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the invention, which is defined by the appended claims.
Claims (10)
1. A disc spring for a disc spring assembly, comprising a disc spring body (1), characterized in that: the outer end side of belleville spring main part (1) is equipped with the axial first holding surface of perpendicular to (2), and the inner side is equipped with the axial second holding surface of perpendicular to (3), the inner of belleville spring main part (1) is equipped with hollow axle sleeve portion, axle sleeve portion is equipped with at least one insert portion (4) to axial extension of first holding surface (2) direction along circumference, and is equipped with the interval setting between insert portion (4) and with insert portion (4) slot portion (5) of quantity.
2. The disc spring for a disc spring assembly according to claim 1, wherein: the axial distance from the end part of the inserting piece part (4) to the second supporting surface (3) is larger than the axial distance from the first supporting surface (2) to the second supporting surface (3) and is smaller than twice of the axial distance from the first supporting surface (2) to the second supporting surface (3).
3. The disc spring for a disc spring assembly according to claim 2, wherein: be equipped with a plurality of locating convex blocks (6) along circumference equidistant on first holding surface (2) to and along positioning convex block (6) between set up in locating convex block (6) equidistant positioning groove (7) of twice along circumference, locating convex block (6) and positioning groove (7) adaptation, the arc length of inserted sheet portion (4) equals with the arc length of inserted groove portion (5).
4. The disc spring for a disc spring assembly according to claim 1, wherein: the axial distance of tip to second holding surface (3) of inserted sheet portion (4) is less than the axial distance of first holding surface (2) to second holding surface (3) be equipped with a plurality of location lugs (6) along circumference equidistant on first holding surface (2) to and along positioning groove (7) that circumference set up in twice location lug (6) equidistant between location lug (6), location lug (6) and positioning groove (7) adaptation, the quantity of location lug (6) equals with the quantity of inserted sheet portion (4).
5. The disc spring for a disc spring assembly according to any one of claims 3 to 4, wherein: the positioning lug (6) is hemispherical.
6. The disc spring for a disc spring assembly according to claim 5, wherein: the inner ring of the first supporting surface (2) is adjacent to a third supporting surface (8), the third supporting surface (8) is arranged in an inclined mode in the axial direction, and the inclination is smaller than the integral inclination of the disc spring main body (1).
7. The disc spring for a disc spring assembly according to claim 6, wherein: the outer boundary of the third supporting surface (8) is adjacent to the inner end of the positioning lug (6).
8. The disc spring for a disc spring assembly according to claim 1, wherein: the inner ring of the first supporting surface (2) is adjacent to a third supporting surface (8), the third supporting surface (8) is arranged in an inclined mode in the axial direction, and the inclination is smaller than the integral inclination of the disc spring main body (1).
9. A disc spring assembly characterized by: the disc spring assembly comprises a cylindrical shaft sleeve (9), an even number of stacked disc springs as defined in any one of claims 1 to 4 sleeved outside the shaft sleeve (9), a spring bottom plate (10) is fixedly arranged at one end of the shaft sleeve (9), an annular spring pressing plate (11) is connected to the other end of the shaft sleeve, the spring bottom plate (10) and the spring pressing plate (11) are respectively abutted to two ends of the stacked disc springs, and one end of the shaft sleeve (9) connected with the spring pressing plate (11) protrudes outwards to form a limiting part (901) located at the outer end of the spring pressing plate (11).
10. The disc spring assembly of claim 9, wherein: one end of the shaft sleeve (9) connected with the spring pressing plate (11) is provided with a notch, and the spring pressing plate (11) is bent by punching to form a limiting part (901).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920984345.3U CN210344125U (en) | 2019-06-27 | 2019-06-27 | Disc spring for disc spring assembly and disc spring assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920984345.3U CN210344125U (en) | 2019-06-27 | 2019-06-27 | Disc spring for disc spring assembly and disc spring assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210344125U true CN210344125U (en) | 2020-04-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920984345.3U Expired - Fee Related CN210344125U (en) | 2019-06-27 | 2019-06-27 | Disc spring for disc spring assembly and disc spring assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210344125U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111853040A (en) * | 2020-07-06 | 2020-10-30 | 吴庆祝 | Butterfly spring pad |
-
2019
- 2019-06-27 CN CN201920984345.3U patent/CN210344125U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111853040A (en) * | 2020-07-06 | 2020-10-30 | 吴庆祝 | Butterfly spring pad |
| CN111853040B (en) * | 2020-07-06 | 2024-03-08 | 温州天力弹簧有限公司 | Butterfly spring pad |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200417 |