CN112268056A - Anti-spiral asymmetric stop spring washer - Google Patents
Anti-spiral asymmetric stop spring washer Download PDFInfo
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- CN112268056A CN112268056A CN202010944038.XA CN202010944038A CN112268056A CN 112268056 A CN112268056 A CN 112268056A CN 202010944038 A CN202010944038 A CN 202010944038A CN 112268056 A CN112268056 A CN 112268056A
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- spring washer
- washer body
- spiral
- nut
- cutting edge
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- 230000001154 acute effect Effects 0.000 claims description 6
- 238000012856 packing Methods 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 2
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 230000002441 reversible effect Effects 0.000 description 10
- 230000006378 damage Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 235000015842 Hesperis Nutrition 0.000 description 1
- 235000012633 Iberis amara Nutrition 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B39/00—Locking of screws, bolts or nuts
- F16B39/22—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening
- F16B39/24—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening by means of washers, spring washers, or resilient plates that lock against the object
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bolts, Nuts, And Washers (AREA)
Abstract
The invention discloses a reverse-spiral asymmetric stop spring washer, which comprises a spring washer body, wherein the spring washer body is of a non-closed annular structure, the left side part at the opening of the spring washer body is upwards tilted relative to the upper plane of the spring washer body, and the right side part at the opening of the spring washer body is downwards tilted relative to the lower plane of the spring washer body. The spring washer has the prismatic cutting edge and the pointed cone structure, the effect of locking the nut can be achieved as long as the prismatic cutting edge cuts into/the pointed cone penetrates into the nut and the workpiece or the flat pad, the nut is never loosened, even if the spring washer is used for a period of time to generate fatigue, the nut cannot be loosened as the cutting edge cuts into/the pointed cone penetrates into the nut and the workpiece or the flat pad, the service life of various devices is greatly prolonged, and the maintenance amount is reduced.
Description
Technical Field
The invention belongs to the technical field of universal accessory manufacturing in the mechanical industry, and particularly relates to an anti-spiral asymmetric retaining spring washer.
Background
At present, the human industrial revolution is highly developed, such as airplanes, rockets, satellites and the like flying in the air, automobiles, trains, high-speed rails, motor trains and the like flying on the land, submarines, steamships, aircraft carriers, battleships and the like flying in shuttle and in water, no matter the industries, agriculture and defense industry all need various devices or apparatuses to serve the industry, all the devices or apparatuses are complete machines formed by combining a plurality of parts for people, most of the combination or connection of all the parts use bolts and nuts as fastening pieces, the parts can be normally used after being fastened, if the bolts and nuts are loosened due to some reasons, the equipment cannot normally run, major accidents can be caused sometimes, even the machine is damaged and the personal injury is caused, and great economic loss is caused to people, at present, a spring washer is adopted to prevent the bolts and nuts from loosening, the normal operation of equipment is ensured, and the spring washer that commonly uses is the S type, and the one end is high at the opening part other end low, puts it between work piece and the nut that the bolt passed the connection, and after screwing up the nut, because the spring washer is compressed, produces the reaction force, and this reaction force acts on the nut, makes equipment operation make the nut not become flexible easily, ensures equipment normal operating.
The specifications of the spring washers used by people at present are basically the same, when a nut is screwed down, the spring washers are flattened, so that the spring washers are in plane contact with a workpiece and the nut, the rebound force of the newly installed spring washers can meet design requirements and can also enable equipment to normally operate, the connection among all parts is firmer, but the strength of the spring washer body can be changed after some equipment is operated for a period of time in a vibration mode, namely the spring washers are fatigued, the rebound force of the spring washers can be reduced, so that the nut has no reaction force, the nut can move along the reverse direction of a thread and can be quickly loosened, so that the connected workpieces are loosened, the connection is insecure, the equipment can operate and even break down, the equipment is damaged, if maintenance personnel can find the spring washers in time and can continue to normally operate when replacing the equipment, this increases the amount of maintenance personnel and the enterprise must invest a great deal of personnel to check for equipment loosening, and if it becomes loose, the spring washers must be replaced, during which time the equipment may be replaced by stopping its operation. Few improvements are proposed to the structure of the spring washer, "the simplest invention is the least simple", the unobtrusive spring washer has a very large role and usage, there is a good market from the economic point of view, it has a very large role in protecting the normal operation of the equipment, and there are also numerous cases of damage to the equipment due to its failure.
Disclosure of Invention
To solve the above problems, the present invention discloses an anti-spiral asymmetric locking spring washer having a prismatic cutting edge and a pointed conical structure, and capable of simultaneously cutting into and piercing a nut and a workpiece or a flat pad to lock the nut and prevent the nut from loosening.
In order to achieve the purpose, the invention adopts the following technical scheme:
the anti-spiral asymmetric stop spring washer comprises a spring washer body, wherein the spring washer body is of an unsealed annular structure, the left side part positioned at the opening of the spring washer body is upwards tilted relative to the upper plane of the spring washer body, the right side part positioned at the opening of the spring washer body is downwards tilted relative to the lower plane of the spring washer body, the upper part of the end head of the upwards tilted left side part is positioned at a certain position on the inner circular surface, the outer circular surface, the upper top surface and the right side surface of the end head, which is away from the upper edge of the end head of the left side part, and the four surfaces form a pointed conical structure in a conical surface form respectively, the tip of the pointed conical structure faces towards the nut to be pressed, the vertical distance from the tip of the pointed conical structure to the lower edge of the end head of the left side part is smaller than the thickness of the spring washer body, and the tip of the pointed conical structure is higher than the upper top surface of the spring washer body;
the lower bottom surface perk back of the end of the right flank portion of perk down forms an arc curved surface, and lower bottom surface and end left surface converge and form a arris form cutting edge, and the pointed flat packing ring or the workpiece surface that are compressed tightly of this arris form cutting edge, and the vertical distance of arris form cutting edge to the end upper edge of right flank portion is less than the thickness of spring washer body, and arris form cutting edge surpasss the lower bottom surface certain distance of spring washer body.
Preferably, the tip of the left side portion turned up and the tip of the right side portion turned up are both shorter than a quarter of the length of the ring body of the spring washer body.
Preferably, the pointed conical structure is a four-sided pointed conical body.
Preferably, the farthest horizontal distance from the tip of the pointed conical structure to one fourth of the outer circumference of the right side of the spring washer body is smaller than the radius of the outer circumference of the washer body; the farthest horizontal distance from the prismatic cutting edge to the outer circumference of the left quarter of the spring washer body is smaller than the radius of the outer circumference of the washer body.
Preferably, the included angle between the right side surface of the end of the left side part and the tangent of the lower end surface of the left side part is an obtuse angle.
Preferably, the included angle between the conical surface corresponding to the upper top surface of the spring washer body and the horizontal plane is an acute angle; the included angle between the left side surface of the end head and the tangent of the lower bottom surface is an acute angle.
Preferably, the thickness of the spring washer body is larger than that of a spring washer with the same national standard.
Preferably, the tilting directions of the left side part and the right side part at the opening of the spring washer body are consistent according to the screwing direction of the reverse screw nut to be pressed on the spring washer body, so that the pointed end of the pointed conical structure faces to the same direction or vertical to the rotating direction of the reverse screw nut when the reverse screw nut is fastened, and the prismatic cutting edge faces to the direction opposite to or vertical to the rotating direction of the reverse screw nut.
Preferably, the left end face of the right side part is parallel to the right end face of the left side part.
Preferably, the prismatic cutting edge is disposed along a radial direction of the spring washer body.
Compared with the prior art, the invention has the beneficial effects that:
1. the spring washer has the prismatic cutting edge and the pointed cone structure, the effect of locking the nut can be achieved as long as the prismatic cutting edge cuts into/the pointed cone penetrates into the nut and the workpiece or the flat pad, the nut is never loosened, even if the spring washer is used for a period of time to generate fatigue, the nut cannot be loosened as the cutting edge cuts into/the pointed cone penetrates into the nut and the workpiece or the flat pad, the service life of various devices is greatly prolonged, and the maintenance amount is reduced;
2. the material of the spring washer has elasticity, and the blade part has strong hardness and can automatically cut into a workpiece and a nut or a flat pad;
3. the thickness of the spring washer body is larger than that of a spring washer with the same national standard, so that the end head of the right side part and the end head of the left side part can have enough elasticity.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a front view of the present invention;
FIG. 2 is a side view of the present invention;
FIG. 3 is a top view of the present invention;
FIG. 4 is a bottom view of the present invention;
FIG. 5 is a partial perspective view of a tapered structure according to the present invention;
FIG. 6 is a partial perspective view of a prismatic blade according to the present invention;
fig. 7 is a use state diagram of the present invention.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
In order to make the technical solutions of the present application better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the embodiments of the present application, and it is obvious that the described embodiments are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
As shown in fig. 1 to 6, the anti-spiral asymmetric stop spring washer includes a spring washer body L, the spring washer body L is a non-closed ring-shaped structure, a left side portion 1 located at an opening of the spring washer body L is tilted upward relative to an upper plane of the spring washer body L, a right side portion 2 located at the opening of the spring washer body L is tilted downward relative to a lower plane of the spring washer body L, an upper portion of an end of the upwardly tilted left side portion 1 is located at a position on an inner circular surface, an outer circular surface, an upper top surface 11 and an end right side surface 12 of the spring washer body L, which is apart from an upper edge of the end of the left side portion 1, the four surfaces form a pointed conical structure 13 in a conical surface form, a tip a of the pointed conical structure 13 faces a nut M to be pressed, and a vertical distance H from the tip a of the pointed conical structure 13 to a lower edge of the end of the1Smaller than the springThickness H of gasket body L2The tip A of the pointed conical structure 13 is higher than the upper top surface 11 of the spring washer body L;
the lower bottom surface of the end of the right side part 2 which is tilted downwards forms an arc-shaped curved surface after tilting, the lower bottom surface 21 and the end left side surface 22 are intersected to form a prismatic cutting edge 23, the prismatic cutting edge 23 points to the surface of a pressed flat gasket Z or a workpiece Y, and the vertical distance H from the prismatic cutting edge 23 to the upper edge of the end of the right side part 21Is less than the thickness H of the spring washer body L2The prismatic blade 23 extends a certain distance beyond the lower bottom surface 21 of the spring washer body L.
The length of the end of the left side part 1 tilting upwards and the length of the end of the right side part 2 tilting downwards are both smaller than one fourth of the length of the ring body L of the spring washer body.
The pointed cone structure 13 is a four-side pointed cone.
The farthest horizontal distance h from the tip A of the pointed conical structure 13 to one fourth of the outer circumference of the right side of the spring washer body L1A radius R less than the outer circumference of the washer body; the horizontal distance h from the edge-shaped blade 23 to the farthest left quarter of the outer circumference of the spring washer body L1Less than the radius R of the outer circumference of the washer body.
And an included angle beta between the right side surface 12 of the end head of the left side part 1 and the tangent of the lower end surface of the left side part 1 is an obtuse angle.
The included angle between the conical surface corresponding to the upper top surface 11 of the spring washer body L and the horizontal plane is an acute angle; the included angle alpha between the left side surface 22 of the end head and the tangent of the lower bottom surface 21 is an acute angle.
Thickness H of spring washer body L2The thickness of the spring washer is larger than that of the spring washer with the same specification of national standard.
The tilting directions of the left side part 1 and the right side part 2 at the opening of the spring washer body L are consistent according to the screwing directions of the reverse screw nut M to be pressed on the spring washer body L, so that the pointed end A of the pointed conical structure 13 is ensured to face the same or perpendicular to the rotating direction of the reverse screw nut M when the reverse screw nut M is fastened, and the prismatic cutting edge 23 faces the opposite or perpendicular to the rotating direction of the reverse screw nut M.
The end left side 22 of the right side 2 is parallel to the end right side 12 of the left side 1.
The prismatic cutting edges 23 are arranged along the radial direction of the spring washer body L.
As shown in fig. 7, in use, the bolt N and the nut M for reverse rotation according to the present invention are sequentially inserted through the workpiece X, Y, the flat washer Z, the spring washer body L and the nut M, the nut M is screwed to flatten the spring washer body L, and after the apparatus is operated for a period of time, the edge edges 23 of the pointed cone 13 at the left side portion 1 and the right side portion 2 of the spring washer body L penetrate/cut into the nut M and the flat washer Z or the workpiece Y, respectively, so as to ensure that the nut M does not loosen.
The installation of the flat washer Z may be required according to actual work requirements when the workpiece X cannot be broken or is difficult to pierce/cut.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement, component separation or combination and the like made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.
Claims (10)
1. The anti-spiral asymmetric stop spring washer comprises a spring washer body, wherein the spring washer body is of an unsealed annular structure, the left side part at the opening of the spring washer body is tilted upwards relative to the upper plane of the spring washer body, the right side part at the opening of the spring washer body is tilted downwards relative to the lower plane of the spring washer body, it is characterized in that the upper part of the end head of the left side part which is tilted upwards is arranged at a certain position on the inner circle surface, the outer circle surface, the upper top surface and the right side surface of the end head of the spring washer body away from the upper edge of the end head of the left side part, the four surfaces form a pointed conical structure in a conical surface form respectively, the tip of the pointed conical structure faces towards the nut to be pressed, the vertical distance from the tip of the pointed conical structure to the lower edge of the end head of the left side part is smaller than the thickness of the spring washer body, and the tip of the pointed conical structure is higher than the upper top surface of the spring washer body;
the lower bottom surface perk back of the end of the right flank portion of perk down forms an arc curved surface, and lower bottom surface and end left surface converge and form a arris form cutting edge, and the pointed flat packing ring or the workpiece surface that are compressed tightly of this arris form cutting edge, and the vertical distance of arris form cutting edge to the end upper edge of right flank portion is less than the thickness of spring washer body, and arris form cutting edge surpasss the lower bottom surface certain distance of spring washer body.
2. The anti-spiral asymmetric retaining spring washer according to claim 1, wherein the tip of the upwardly turned left side portion and the tip of the downwardly turned right side portion each have a length less than one quarter of the length of the spring washer body ring.
3. The anti-spiral asymmetric retaining spring washer according to claim 1, wherein said pointed conical structure is a four-sided pointed conical body.
4. The anti-spiral asymmetric retaining spring washer according to claim 2, wherein the horizontal distance from the tip of the pointed conical structure to the farthest one-quarter of the outer circumference of the right side of the spring washer body is less than the radius of the outer circumference of the washer body; the farthest horizontal distance from the prismatic cutting edge to the outer circumference of the left quarter of the spring washer body is smaller than the radius of the outer circumference of the washer body.
5. The anti-spiral asymmetric retaining spring washer according to claim 1, wherein the right side face of the end of the left side portion forms an obtuse angle with the tangent of the lower end face of the left side portion.
6. The anti-spiral asymmetric retaining spring washer according to claim 1, wherein the included angle between the corresponding conical surface of the upper top surface of the spring washer body and the horizontal plane is an acute angle; the included angle between the left side surface of the end head and the tangent of the lower bottom surface is an acute angle.
7. The anti-spiral asymmetric retaining spring washer according to claim 1, wherein the thickness of the spring washer body is greater than the thickness of a spring washer of the national standard.
8. The anti-spiral asymmetric stop spring washer according to claim 1, wherein the tilting directions of the left side portion and the right side portion at the opening of the spring washer body are consistent according to the screwing direction of the anti-spiral nut to be pressed on the spring washer body, so that the pointed end of the pointed conical structure faces the same direction or perpendicular to the rotation direction of the anti-spiral nut when the anti-spiral nut is fastened, and the edge-shaped cutting edge faces the opposite direction or perpendicular to the rotation direction of the anti-spiral nut.
9. The anti-spiral asymmetric retaining spring washer according to claim 8, wherein the end left side of said right side portion is parallel to the end right side of the left side portion.
10. The anti-spiral asymmetric retaining spring washer according to claim 1, wherein said prismatic cutting edges are disposed along a radial direction of said spring washer body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010944038.XA CN112268056A (en) | 2020-09-10 | 2020-09-10 | Anti-spiral asymmetric stop spring washer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010944038.XA CN112268056A (en) | 2020-09-10 | 2020-09-10 | Anti-spiral asymmetric stop spring washer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112268056A true CN112268056A (en) | 2021-01-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010944038.XA Withdrawn CN112268056A (en) | 2020-09-10 | 2020-09-10 | Anti-spiral asymmetric stop spring washer |
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| CN (1) | CN112268056A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2124341U (en) * | 1992-04-29 | 1992-12-09 | 中国建筑第二工程局第二建筑工程机械厂 | Stop washer |
| CN2594521Y (en) * | 2003-01-21 | 2003-12-24 | 浙江海力标准件有限公司 | Anti-loosing security screw bolt pair |
| CN2721951Y (en) * | 2004-08-17 | 2005-08-31 | 张启芳 | Locked durable screw bolt assembly |
| CN2752519Y (en) * | 2004-12-02 | 2006-01-18 | 宝钢集团上海第一钢铁有限公司 | Composite locking washer |
| CN202176596U (en) * | 2011-07-29 | 2012-03-28 | 瑞标集团有限公司 | Nut with spring washer |
| JP5715292B1 (en) * | 2014-10-08 | 2015-05-07 | 喜久雄 三好 | Fastener |
| CN209444688U (en) * | 2018-12-20 | 2019-09-27 | 李贵才 | A kind of self-locking shock-proof check threaded fastener |
-
2020
- 2020-09-10 CN CN202010944038.XA patent/CN112268056A/en not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2124341U (en) * | 1992-04-29 | 1992-12-09 | 中国建筑第二工程局第二建筑工程机械厂 | Stop washer |
| CN2594521Y (en) * | 2003-01-21 | 2003-12-24 | 浙江海力标准件有限公司 | Anti-loosing security screw bolt pair |
| CN2721951Y (en) * | 2004-08-17 | 2005-08-31 | 张启芳 | Locked durable screw bolt assembly |
| CN2752519Y (en) * | 2004-12-02 | 2006-01-18 | 宝钢集团上海第一钢铁有限公司 | Composite locking washer |
| CN202176596U (en) * | 2011-07-29 | 2012-03-28 | 瑞标集团有限公司 | Nut with spring washer |
| JP5715292B1 (en) * | 2014-10-08 | 2015-05-07 | 喜久雄 三好 | Fastener |
| CN209444688U (en) * | 2018-12-20 | 2019-09-27 | 李贵才 | A kind of self-locking shock-proof check threaded fastener |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210126 |
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| WW01 | Invention patent application withdrawn after publication |