CN201050539Y - Elastic gasket with tooth - Google Patents
Elastic gasket with tooth Download PDFInfo
- Publication number
- CN201050539Y CN201050539Y CNU2007201493016U CN200720149301U CN201050539Y CN 201050539 Y CN201050539 Y CN 201050539Y CN U2007201493016 U CNU2007201493016 U CN U2007201493016U CN 200720149301 U CN200720149301 U CN 200720149301U CN 201050539 Y CN201050539 Y CN 201050539Y
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- China
- Prior art keywords
- grinding tooth
- elastic washer
- bolt
- utility
- grinding
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- Expired - Fee Related
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Abstract
The utility model relates to a grinding tooth elastic washer. The elastic washer is an annular piece body, the inner ring part of which is higher than the outer ring part, the cross section is of a saddle shape, and the inner ring is provided with a plurality of grinding teeth. The grinding tooth elastic washer of the utility model overcomes the defect of the known technology, and in the process of preventing looseness and synchronous revolution, the utility model not only is associated with a bolt, but also is joggled with the bolt into a whole through the grinding tooth cutting-in way, and is associated with the bolt, a nut and a fastened piece, thereby improving the preventing looseness and synchronous revolution performance of the joint of the bolt. The utility model reduces the use cost of the joint of the bolt, improves the performance of preventing the synchronous revolution for the joint of the bolt, strengthens the looseness preventing ability for the joint of the bolt, and improves the labor capacity.
Description
Technical field
The utility model relates to a kind of elastic washer, especially a kind ofly is used to prevent bolts and nuts rotation synchronously and loosening grinding tooth elastic washer.
Background technique
Elastic washer is a kind of common fastening piece, generally is used for the connection of metal parts, to increase supporting surface and to play locking effect, hides bigger eyelet, and the safety of Bolt Connection is had very important effect.
Synchronous rotation problem often appears in bolts and nuts during Bolt Connection in fastening process, has reduced working efficiency, and work has brought many troubles to bolton.
Known lock washer: in use packing ring is not related with bolt, only produces with nut and fastener and gets in touch, and it does not have the effect that prevents synchronous rotation, and anti-loosing effect is relatively poor.
China utility model patent ZL00101295.9 discloses " a kind of locking washer ", this packing ring extends radially out the inner fin teeth of axial perk by setting, launch the external diameter of the center bore of formation under pressure, and be forced to radially be clamped on the bolt, reach locking effect less than bolt.This known structure, owing to be that the internal tooth of packing ring is made the shape that is upturned, so the pressure that this internal tooth that upwarps can bear is less, anti-loosing effect is relatively poor, and processed complex, has increased manufacture cost.
The design people at above problems of the prior art, proposes grinding tooth elastic washer of the present utility model based on the research and development for many years that double thread connects, and can overcome the defective that prior art exists effectively.
The model utility content
The technical problems to be solved in the utility model is: provide a kind of can be locking, prevent the elastic washer structure of rotation synchronously, especially a kind of cross section is a saddle type, interior ring is provided with the grinding tooth elastic washer of grinding tooth, thereby can guarantee bolts and nuts no synchronous rotation problem in fastening process, improve anti-loosening property, safe, and this grinding tooth elastic washer structure be easy to processing, have good interchangeability.
For this reason, a kind of grinding tooth elastic washer that the utility model proposes, wherein, described packing ring is a ring-type lamellar body, and its internal ring portion is higher than outer portion, and cross section is saddle type, and described interior ring is provided with a plurality of grinding tooths.
Aforesaid grinding tooth elastic washer, wherein, the one side at least of the upper and lower surfaces of described grinding tooth elastic washer is provided with locking fin.
Aforesaid grinding tooth elastic washer, wherein, described fin is along the radial surface that is arranged on described packing ring of radially being of grinding tooth elastic washer.
Aforesaid grinding tooth elastic washer, wherein, the tooth form angle of described grinding tooth is greater than 60 °.
Aforesaid grinding tooth elastic washer wherein, has knuckle at the bottom of the tooth of described grinding tooth tooth form.
Aforesaid grinding tooth elastic washer, wherein, described grinding tooth elastic washer has under free state more than or equal to the externally threaded big footpath of bolt and has at the internal diameter size of the state of being stressed smaller or equal to the externally threaded path of bolt.
Advantage of the present utility model and characteristics are:
The grinding tooth elastic washer that the utility model proposes rotates in the fastening process at bolt, be arranged on the grinding tooth of ring in the packing ring stressed after, at first the cross section of packing ring progressively changes plane shape into by saddle type, shrink internal diameter simultaneously and cut in the screw thread of bolt, being one owing to screw the engagement of process middle washer and bolt at nut, is that contact with the screw thread frictional force of generation of the grinding tooth of back cushion circle reaches anti-rotation purpose; And the cross section of grinding tooth elastic washer of the present utility model is saddle type, therefore elastic force is even, resiliently deformable by self structure compresses fastening piece, anti-loosening property is good, can be effectively and stop loosening that fastening piece in use produces reliably, and in the synchronous rotation of appearance of the fastening process of rotation, and, therefore can not damage fastening piece and workpiece surface in locking and anti-synchronous process of rotating because the grinding tooth of packing ring only contacts with screw thread on the bolt double-screw bolt.
The maximum difference of the utility model and known packing ring is: known packing ring is not related with bolt in locking process, only produces with nut and fastener and gets in touch; And grinding tooth elastic washer of the present utility model is not only got in touch with bolt in locking and anti-synchronous rotary course, but also be one by the mode and the bolt engagement of grinding tooth incision, all produce and get in touch with bolt, nut, fastener three, improved the locking and anti-performance of rotation synchronously of Bolt Connection.
By adopting grinding tooth elastic washer of the present utility model, because the synchronous rotation problem when having solved Bolt Connection, therefore, when Bolt Connection is carried out in less space, need not to be generally the wrench space that prevents bolts and nuts rotation synchronously and reserve, can be widely used in the Bolt Connection occasion, by himself elastic force and and fastener and nut or bolt head between frictional force can prevent the loosening of fastening piece, can guarantee that by the frictional force between the screw thread of its grinding tooth surface and bolt bolts and nuts do not have synchronous the rotation in fastening process.
The utility model has reduced the user cost of Bolt Connection, has improved the synchronous verticity that prevents of Bolt Connection, has strengthened the anti-loose ability of Bolt Connection, has improved labour productivity.
Description of drawings
Figure 1A, Figure 1B are grinding tooth elastic washer structural representations of the present utility model, and wherein, Figure 1A is a schematic top plan view, and Figure 1B is a cross sectional representation;
Fig. 2 A is embodiment's schematic representation of grinding tooth elastic washer grinding tooth number of the present utility model and grinding tooth shape;
Fig. 2 B is another embodiment's schematic representation of grinding tooth elastic washer grinding tooth number of the present utility model and grinding tooth shape;
Fig. 3 is a grinding tooth elastic washer user mode structural representation of the present utility model;
Fig. 4 is a grinding tooth cushion engagement generalized section of the present utility model;
Fig. 5 is another user mode structural representation of grinding tooth elastic washer of the present utility model.
Embodiment
Understand for feature of the present utility model, technique effect being had more clearly, now contrast the structure that accompanying drawing illustrates the grinding tooth elastic washer.
Shown in Figure 1A, Figure 1B, a kind of grinding tooth elastic washer 1 that the utility model proposes is a ring-type thin slice body, and its internal ring portion is higher than outer portion, and cross section is saddle type, and the interior ring of described packing ring 1 is provided with a plurality of grinding tooths 2.The quantity of described grinding tooth can determine that shown in Fig. 2 A, Fig. 2 B, the tooth form of grinding tooth can select then known structure shape as required, as isosceles triangle, zigzag fashion etc. according to the intensity needs.
Shown in Figure 1B, the center of described packing ring 1 is than the high H in outer shroud edge, thereby makes grinding tooth elastic washer cross section be saddle type, this height H be according to the needs of nibbling the cutting-in degree and with the bolt of corresponding size cooperate calculate definite.
As shown in Figure 4, the interior of described grinding tooth elastic washer 1 should satisfy condition through d1: grinding tooth elastic washer interior big through D at the outside thread of free state time 〉=bolt 3 through d1 makes packing ring 1 can be set on the bolt 3 easily; Grinding tooth elastic washer 1 interior little at the outside thread of pressured state time 〉=bolt 3 through D1 through d1, big smaller or equal to the outside thread of bolt 3 through D.When packing ring 1 was under pressure, its inner diameter d 1 was shunk, and in the screw thread of grinding tooth 2 incision bolts 3, played the effect of rotation synchronously that prevents.
Preferably, shown in Figure 1A, Figure 1B, be provided with locking fin 5 on the one side at least in the upper and lower surfaces of described grinding tooth elastic washer 1.For improving anti-loosening property, this locking fin 5 can be set all on the above and below of described packing ring 1.Described fin 5 is along the radial surface that is arranged on described packing ring 1 of radially being of grinding tooth elastic washer 1.
The tooth form angle α of preferred described grinding tooth 〉=60 ° by adopting bigger tooth form angle α, can improve the intensity of grinding tooth effectively, therefore has ability and the shearing strength that bolt thread is cut in higher nibbling, and prevents synchronous verticity thereby improve.
Have knuckle r at the bottom of the tooth of preferred described grinding tooth tooth form, concentrate, improve the intensity of grinding tooth thereby can reduce stress.
Grinding tooth elastic washer 1 of the present utility model has at first solved the synchronous rotation problem that adopts known elastic washer can cause bolts and nuts often to occur in fastening process, and overcome for prevent that the problem of rotating synchronously from taking such as: some fixing bolt, add problems such as inconvenience that measures such as tenon, square neck, locking plate bring and cost increase.Simultaneously, grinding tooth elastic washer 1 of the present utility model can also improve anti-loosening property effectively.
In order further to improve the anti-loose ability of described grinding tooth elastic washer, on the structure of its outer shroud one side, can also adopt the structural type that generally adopts on the known lock washer.
Described grinding tooth elastic washer for example can be made by 65Mn spring steel (standard numbering GB3525), through heat treatment (quenching and tempering HRC40～50), and finally is coated with protective layer (surface treatment: oxidation or Zincing passivation).And the strict GB94.2-87 standard of carrying out.
Described grinding tooth elastic washer 1 has adopted the saddle type cross section, therefore can provide uniform elastic force between bolt.
Working principle of the present utility model is:
As shown in Figure 3, described grinding tooth elastic washer 1 needs and bolt 3, nut 4 supporting uses.Under the effect of rotating force P, nut 4 will move down along A, grinding tooth elastic washer 1 is under the extruding of nut 4 and fastener, starting stage, the grinding tooth elastic washer was under the effect of power f, shrinking grinding tooth 2 through d1 in impelling cuts in the screw thread of bolts 3 (referring to Fig. 4), second stage grinding tooth elastic washer 1 will produce resiliently deformable and to B to slippage, increase the area of contact of grinding tooth elastic washer 1 and fastener, produce bigger surface friction drag, stop bolts and nuts to rotate synchronously, prevent the bolts and nuts purpose of rotation synchronously thereby play.Its fastening final result is that the grinding tooth elastic washer constitutes a compound body at the extruding lower gasket incision bolt and the bolt of nut and fastener, play the purpose that prevents that bolt 3 and nut 4 from rotating synchronously when rotated, after fastening, in use, the grinding tooth 2 in the screw thread of saddle structure by packing ring and incision bolt 3 reaches and makes Bolt Connection have higher locking property.
As shown in Figure 5, be another kind of user mode of the present utility model.Described grinding tooth elastic washer 1 and bolt 3, nut 4 supporting uses are applied to generally or often occur the bolts and nuts occasion of rotation synchronously.Described grinding tooth elastic washer 1 is arranged between the head and fastener of bolt 3, under the effect of rotating force P, bolt 3 will move up along A, grinding tooth elastic washer 1 is under the extruding of bolt head and fastening piece, the grinding tooth of starting stage grinding tooth elastic washer is cut in the screw rod of bolt under the effect of power f and the clasping bolt, second stage grinding tooth elastic washer will produce resiliently deformable and to B to slippage, increase the area of contact of grinding tooth elastic washer 1 and fastener, produce bigger surface friction drag, stop bolt 3 and nut 4 to rotate synchronously, prevent the bolts and nuts purpose of rotation synchronously thereby play.This application process is to guarantee the infrangibility and the quick mounting of assembling; Maximum benefit is not damage bolt thread, helps the protection of bolt thread.
The above person only; it only is specific embodiment of the utility model; can not limit the scope that the utility model is implemented with it; the amplification of its equivalent assemblies; dwindle; displacement, or, all still belong to the covering scope of the utility model claims according to equivalent variations and modification that the utility model scope of patent protection is done.
Claims (6)
1. grinding tooth elastic washer, it is characterized in that: described packing ring is a ring-type lamellar body, and its internal ring portion is higher than outer portion, and cross section is saddle type, described in ring be provided with a plurality of grinding tooths.
2. grinding tooth elastic washer as claimed in claim 1 is characterized in that: the one side at least of the upper and lower surfaces of described grinding tooth elastic washer is provided with locking fin.
3. grinding tooth elastic washer as claimed in claim 2 is characterized in that: described fin is along the radial surface that is arranged on described packing ring of radially being of grinding tooth elastic washer.
4. grinding tooth elastic washer as claimed in claim 1 is characterized in that: the tooth form angle of described grinding tooth is greater than 60 °.
5. grinding tooth elastic washer as claimed in claim 1 is characterized in that: have knuckle at the bottom of the tooth of described grinding tooth tooth form.
6. grinding tooth elastic washer as claimed in claim 1 is characterized in that: described grinding tooth elastic washer has under free state more than or equal to the externally threaded big footpath of bolt and has at the internal diameter size of the state of being stressed smaller or equal to the externally threaded path of bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201493016U CN201050539Y (en) | 2007-05-25 | 2007-05-25 | Elastic gasket with tooth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201493016U CN201050539Y (en) | 2007-05-25 | 2007-05-25 | Elastic gasket with tooth |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201050539Y true CN201050539Y (en) | 2008-04-23 |
Family
ID=39337026
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201493016U Expired - Fee Related CN201050539Y (en) | 2007-05-25 | 2007-05-25 | Elastic gasket with tooth |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201050539Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104747568A (en) * | 2014-07-29 | 2015-07-01 | 李国� | Lock bolt for fixing motor |
| CN105782216A (en) * | 2016-05-16 | 2016-07-20 | 蔡文斌 | Torque rotating and floating load anti-loosening gasket |
| CN106558377A (en) * | 2015-09-30 | 2017-04-05 | 明光市奇美橡塑有限公司 | A kind of electro-insulating rubber packing ring |
| CN106812579A (en) * | 2015-12-02 | 2017-06-09 | 光阳工业股份有限公司 | The fixed structure of engine exhaust pipes protection cap |
| CN109139670A (en) * | 2018-08-28 | 2019-01-04 | 四川中伦精密机械有限公司 | Combined type stop nut |
| CN111022477A (en) * | 2019-12-31 | 2020-04-17 | 广西玉柴机器股份有限公司 | Bolt anti-loosening clamp spring and manufacturing method thereof |
-
2007
- 2007-05-25 CN CNU2007201493016U patent/CN201050539Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104747568A (en) * | 2014-07-29 | 2015-07-01 | 李国� | Lock bolt for fixing motor |
| CN106558377A (en) * | 2015-09-30 | 2017-04-05 | 明光市奇美橡塑有限公司 | A kind of electro-insulating rubber packing ring |
| CN106812579A (en) * | 2015-12-02 | 2017-06-09 | 光阳工业股份有限公司 | The fixed structure of engine exhaust pipes protection cap |
| CN105782216A (en) * | 2016-05-16 | 2016-07-20 | 蔡文斌 | Torque rotating and floating load anti-loosening gasket |
| CN109139670A (en) * | 2018-08-28 | 2019-01-04 | 四川中伦精密机械有限公司 | Combined type stop nut |
| CN111022477A (en) * | 2019-12-31 | 2020-04-17 | 广西玉柴机器股份有限公司 | Bolt anti-loosening clamp spring and manufacturing method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080423 Termination date: 20140525 |