CN202719061U - Waveform spring and threaded connection device composed of the same - Google Patents
Waveform spring and threaded connection device composed of the same Download PDFInfo
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- CN202719061U CN202719061U CN 201220406371 CN201220406371U CN202719061U CN 202719061 U CN202719061 U CN 202719061U CN 201220406371 CN201220406371 CN 201220406371 CN 201220406371 U CN201220406371 U CN 201220406371U CN 202719061 U CN202719061 U CN 202719061U
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- thread piece
- trough
- main body
- wavy spring
- stop block
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Abstract
The utility model discloses a waveform spring and a threaded connection device composed of the same, belongs to the field of springs, and solves the problem that a current waveform spring easily causes the fact that threaded connection utilizing the current waveform spring is loosened easily during frequent shaking. The waveform spring comprises a waveform spring body which is provided with at least two pairs of peaks and troughs, the upper portion of at least one peak of the waveform spring is provided with a stop block, and the outside of at least one trough is provided with protruded teeth. The threaded connection device composed of the waveform spring is further disclosed, the waveform spring is installed between an internal threaded part and an external threaded part, the internal threaded part is matched with the external threaded part, self-locking performance of the threaded connection is greatly improved, thus the threaded connection is effectively prevented from being loosened on the condition of the frequent shaking, anti-shaking performance of a product utilizing the threaded connection device is improved, stability and reliability are guaranteed, rapid disassembly is benefited simultaneously, and reliability of the product utilizing the threaded connection device is guaranteed.
Description
Technical field
The utility model relates to a kind of spring, specifically, relates to the screw connection of a kind of wavy spring and formation thereof.
Background technique
Wavy spring is called for short the ripple spring, is the elastic element that has some peak valleys on the metal foil annulus.Usually it is all not too large to be applied to load and amount of deformation, requires spring rate less and need apply the occasion of axial precompression.Because its good elasticity, wavy spring is widely used in motor, textile manufacturing machine, hydraulic equipment, automobile and other industries, mainly is installed in the suitable bearing chamber of nominal size specification or the hole, and installing space is very little, has the reduction noise, the specific function that reduces to vibrate.Because screw thread has certain self-locking performance, in static being threaded, usually do not need locking device, but in being threaded of normal vibrations, especially on the vitals, need to install locking device additional, wherein, wavy spring is exactly one of locking device of commonly using.
The wavy spring that uses at present owing to itself lack corresponding retaining structure, makes its effect on the equipment of frequent vibrations very undesirable when being applied to be threaded, and is still loosening easily.Someone uses screw to be fixed from the swivel nut outside, but so can destroy the effect that the structure influence of swivel nut is threaded; Also have the people with screw rod and swivel nut by welding or stick with glue and connect fixingly, so but be not easy to dismounting.Therefore, study a kind of simple in structure, can quick locking and the thread connecting mode of quick-detachment imperative.
The model utility content
The purpose of this utility model is to provide the screw connection of a kind of wavy spring and formation thereof, solve existing wavy spring and cause easily in the frequent vibrations of being threaded in of its application loosening problem, utilize the shockproof retaining application specific architecture that designs on the wavy spring realize being threaded quick locking and the quick-detachment of parts.
To achieve these goals, the technical solution adopted in the utility model is as follows:
Wavy spring comprises the ripple spring main body with at least two pairs of crests and trough, and the top of at least one crest of described ripple spring main body is provided with stop block, and this stop block is protruding structure or sunk structure.
Further, the outside of at least one trough of described ripple spring main body is provided with double wedge.
As a kind of preferred, described ripple spring main body has three pairs of crests and trough, and the top of each crest is equipped with stop block, and the outside of each trough is equipped with double wedge.
By the screw connection that wavy spring consists of, comprise the inner thread piece and the external thread piece that cooperatively interact, the thread head of external thread piece inserts in the inner thread piece and is connected and fixed; The screw thread bottom of described inner thread piece is provided with shoulder, the internal diameter of this shoulder is less than the internal diameter of screw thread, be provided with the ripple spring main body with at least two pairs of crests and trough between the thread head of external thread piece and shoulder, the top of at least one crest of this ripple spring main body is provided with stop block.
In order to improve the stop bit effect of stop block, the thread head of described external thread piece is provided with and the equal corresponding stop bit tooth of stop bit block size and position.
Further, described stop block is protruding structure or sunk structure, and described stop bit tooth distributes centered by the center of the thread head of external thread piece in the form of a ring, and the diameter of this ring is corresponding with the diameter of ripple spring main body.
In order to prevent that the ripple spring from rotating, the outside of at least one trough of described ripple spring main body is provided with double wedge, is provided with and the equal corresponding groove in the quantity of double wedge, shape, position at the inwall of inner thread piece.
As a kind of preferred structure, described ripple spring main body has three pairs of crests and trough, and the top of each crest is equipped with stop block, and the outside of each trough is equipped with double wedge, and the inwall of described inner thread piece is provided with and double wedge groove one to one.
Compared with prior art, the utlity model has following beneficial effect:
(1) the utility model is simple in structure, designs ingeniously, cheap, easy to use, is fit to apply.
(2) the utility model arranges stop block at wavy spring, match with the end face of external thread piece after installing, increased the frictional force between wavy spring and the external thread piece end face, thereby prevented that wavy spring from rotating in screw connection, especially in the screw connection of normal vibrations, rotate the loosening defective that wavy spring rotates that drives of having avoided being threaded.
(3) the utility model arranges the stop bit tooth at the end face of external thread piece, with the mutual screens of the corresponding realization of stop block on the wavy spring, on the basis that has increased frictional force, further increased the active force between external thread piece and the wavy spring, make the cooperation between the two tightr, thereby prevented that more effectively wavy spring from rotating and prevent from being threaded loosening, and then guaranteed the stability and the reliability that are threaded better.
(4) the utility model arranges double wedge in the wavy spring side, and at the inwall of inner thread piece corresponding groove fit is set, further prevented wavy spring in the middle rotation that is threaded, thereby it is loosening more effectively to have prevented from being threaded, and has guaranteed the stability that is threaded.
(5) the utility model is applied to screw connection inside with wavy spring and improves, and the external form of double thread connection set and physical dimension be impact not, has kept the versatility of screw connection.
(6) the utility model cooperates with the mutual clamping of the dual mode of groove with stop bit tooth and double wedge by stop block, utilize wavy spring greatly to improve stability and the reliability that is threaded between inner thread piece and the external thread piece, especially for the screw connection that is in for a long time under the vibrating state, has superior anti-seismic performance, frequently vibrations can't be become flexible to be threaded, thereby improved the usability of the product of using this screw connection, increased its working life.
(7) the utility model utilizes improved wavy spring to increase the axial precompression of screw connection, thereby increased the mutual frictional force between screw thread, improve the self-locking property that is threaded, guaranteed to use the stability in use of the product of this screw connection.
(8) screw connection of the present utility model is because self structure is stable, having avoided using other modes to cause being threaded such as welding or side screw can not dismantle or situation that inner thread piece destroys, inner thread piece can be reused, and make screw connection can install quickly and easily, dismantle, change, improved property easy to use of the present utility model.
Description of drawings
Fig. 1 is the plan structure schematic representation of wavy spring in the utility model.
Fig. 2 be in the utility model wavy spring face structural representation.
Fig. 3 is the cross-sectional view of inner thread piece among the utility model-embodiment.
Fig. 4 is the plan structure schematic representation of inner thread piece among the utility model-embodiment.
Fig. 5 be among the utility model-embodiment external thread piece partly cut open structural representation
Fig. 6 is the structural representation of external thread piece end face among the utility model-embodiment.
Fig. 7 is the structural representation of screw connection among the utility model-embodiment.
In the above-mentioned accompanying drawing, the component names that reference character is corresponding is as follows:
1-ripple spring main body, 11-stop block, 12-double wedge;
The 2-inner thread piece, 21-groove, 22-shoulder;
The 3-external thread piece, 31-stop bit tooth.
Embodiment
The utility model is described in further detail below in conjunction with drawings and Examples, and mode of execution of the present utility model includes but not limited to the following example.
Embodiment
As depicted in figs. 1 and 2, this wavy spring, comprise the ripple spring main body 1 with at least two pairs of crests and trough, top at least one crest of described ripple spring main body is provided with stop block 11, the outside of at least one trough is provided with double wedge 12, wherein, stop block 11 can be protruding structure or sunk structure, and smooth transition between its edge and the ripple spring main body.As a kind of preferred structure, ripple spring main body 1 has three pairs of crests and trough, waveform is sinusoidal shape, crest and trough are circularly and evenly distributed centered by the center of circle of wavy spring, the angle of space is 60 °, and the top of each crest is equipped with the stop block of convex, is convenient to axially locating, the outside of each trough is equipped with double wedge, is convenient to circumferential location.
By the screw connection that above-mentioned wavy spring consists of, comprise the inner thread piece 2 and the external thread piece 3 that cooperatively interact, the thread head of external thread piece inserts in the inner thread piece and is connected and fixed, and wavy spring is between the thread head and inner thread piece of external thread piece.
As shown in Figure 3 and Figure 4, inner thread piece 2 is sleeve, be provided with and the equal corresponding groove 21 in the quantity of double wedge, shape, position at the screw thread inwall, namely the groove of groove on the screw thread inwall radially, three grooves are circularly and evenly distributed with the sleeve axle center, and the angle of space is 120 °; Be provided with in the bottom of screw tip for the shoulder 22 that wavy spring is installed, the internal diameter of shoulder is less than the internal diameter of screw thread, is convenient to cooperate with the thread head of external thread piece wavy spring is fixed.
As shown in Figure 5 and Figure 6, external thread piece 3 is screw rod, be provided with the stop bit tooth 31 of the stop bit effect that improves stop block in its end, this stop bit tooth is the serrate slot shape, its size is all corresponding with stop block with the position, the effect that cooperates in order to improve stop bit, the stop bit tooth distributes in the form of a ring, and the diameter that should encircle is corresponding with the diameter of wavy spring.
As shown in Figure 7, when the utility model is installed, first wavy spring is put into inner thread piece according to the double wedge position corresponding with groove, guaranteed that wavy spring can not rotate in inner thread piece, external thread piece is screwed in the inner thread piece again and screw gradually, this moment, the stop bit tooth of external thread piece end cooperatively interacted with the stop block on the wavy spring, owing to the elasticity of wavy spring self, stop block is embedded in the stop bit tooth tightly, thereby reach the effect of shockproof retaining.
According to above-described embodiment; just can realize well the utility model; but above-mentioned is a kind of mode of execution of the present utility model; be not limited to screw rod based on the application of wavy spring in being threaded of said structure and be connected with swivel nut, other are threaded connection and cooperate this kind wavy spring to realize that the mode of shockproof retaining also belongs to protection domain of the present utility model.
Claims (9)
1. wavy spring comprises the ripple spring main body (1) with at least two pairs of crests and trough, it is characterized in that the top of at least one crest of described ripple spring main body (1) is provided with stop block (11).
2. wavy spring according to claim 1 is characterized in that, described stop block (11) is protruding structure or sunk structure.
3. wavy spring according to claim 1 and 2 is characterized in that, the outside of at least one trough of described ripple spring main body (1) is provided with double wedge (12).
4. wavy spring according to claim 3 is characterized in that, described ripple spring main body (1) has three pairs of crests and trough, and the top of each crest is equipped with stop block (11), and the outside of each trough is equipped with double wedge (12).
5. the screw connection that is consisted of by wavy spring, comprise the inner thread piece (2) and the external thread piece (3) that cooperatively interact, the thread head of external thread piece (3) inserts in the inner thread piece (2) and is connected and fixed, it is characterized in that, the screw thread bottom of described inner thread piece (2) is provided with shoulder (22), the internal diameter of this shoulder (22) is less than the internal diameter of screw thread, be provided with the ripple spring main body (1) with at least two pairs of crests and trough between the thread head of external thread piece (3) and shoulder (22), the top of at least one crest of this ripple spring main body (1) is provided with stop block (11).
6. the screw connection that is made of wavy spring according to claim 5 is characterized in that, the thread head of described external thread piece (3) is provided with the equal corresponding stop bit tooth (31) of size and position with stop block (11).
7. the screw connection that is consisted of by wavy spring according to claim 6, it is characterized in that, described stop block (11) is protruding structure or sunk structure, described stop bit tooth (31) distributes centered by the center of the thread head of external thread piece (3) in the form of a ring, and the diameter of this ring is corresponding with the diameter of ripple spring main body (1).
8. according to claim 5 or the 6 or 7 described screw connections that consisted of by wavy spring, it is characterized in that, the outside of at least one trough of described ripple spring main body (1) is provided with double wedge (12), is provided with and the equal corresponding groove (21) in the quantity of double wedge (12), shape, position at the inwall of inner thread piece (2).
9. the screw connection that is consisted of by wavy spring according to claim 8, it is characterized in that, described ripple spring main body (1) has three pairs of crests and trough, and the top of each crest is equipped with stop block (11), the outside of each trough is equipped with double wedge (12), and the inwall of described inner thread piece (2) is provided with and double wedge (12) groove (21) one to one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220406371 CN202719061U (en) | 2012-08-16 | 2012-08-16 | Waveform spring and threaded connection device composed of the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220406371 CN202719061U (en) | 2012-08-16 | 2012-08-16 | Waveform spring and threaded connection device composed of the same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202719061U true CN202719061U (en) | 2013-02-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220406371 Expired - Fee Related CN202719061U (en) | 2012-08-16 | 2012-08-16 | Waveform spring and threaded connection device composed of the same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202719061U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103791011A (en) * | 2014-01-15 | 2014-05-14 | 哈尔滨东安发动机（集团）有限公司 | Compression spring |
| CN108098248A (en) * | 2017-11-02 | 2018-06-01 | 中国航发哈尔滨东安发动机有限公司 | A kind of frock low for monolithic waveform spring elastic force numerical value qualification rate solves method |
| CN108136478A (en) * | 2015-10-22 | 2018-06-08 | 大丰工业株式会社 | The manufacturing method and washer of washer |
| CN108518402A (en) * | 2018-04-11 | 2018-09-11 | 杨聪辉 | A kind of stop nut |
| US10663026B2 (en) * | 2018-10-03 | 2020-05-26 | Check-Mate Industries, Inc. | Belleville washer and Belleville spring |
| CN107086698B (en) * | 2017-06-21 | 2023-12-15 | 中原内配（上海）电子科技有限公司 | Electric control actuator and motor fixing structure for vehicle |
-
2012
- 2012-08-16 CN CN 201220406371 patent/CN202719061U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103791011A (en) * | 2014-01-15 | 2014-05-14 | 哈尔滨东安发动机（集团）有限公司 | Compression spring |
| CN108136478A (en) * | 2015-10-22 | 2018-06-08 | 大丰工业株式会社 | The manufacturing method and washer of washer |
| CN107086698B (en) * | 2017-06-21 | 2023-12-15 | 中原内配（上海）电子科技有限公司 | Electric control actuator and motor fixing structure for vehicle |
| CN108098248A (en) * | 2017-11-02 | 2018-06-01 | 中国航发哈尔滨东安发动机有限公司 | A kind of frock low for monolithic waveform spring elastic force numerical value qualification rate solves method |
| CN108098248B (en) * | 2017-11-02 | 2021-11-09 | 中国航发哈尔滨东安发动机有限公司 | Tool solving method for low percent of pass of single-piece wave spring elasticity numerical value |
| CN108518402A (en) * | 2018-04-11 | 2018-09-11 | 杨聪辉 | A kind of stop nut |
| US10663026B2 (en) * | 2018-10-03 | 2020-05-26 | Check-Mate Industries, Inc. | Belleville washer and Belleville spring |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130206 Termination date: 20150816 |
|
| EXPY | Termination of patent right or utility model |