CN112096721A - Opening type reverse spiral conical stop spring washer - Google Patents
Opening type reverse spiral conical stop spring washer Download PDFInfo
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- CN112096721A CN112096721A CN202010944087.3A CN202010944087A CN112096721A CN 112096721 A CN112096721 A CN 112096721A CN 202010944087 A CN202010944087 A CN 202010944087A CN 112096721 A CN112096721 A CN 112096721A
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- spring washer
- washer body
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- pointed
- conical structure
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- 230000002441 reversible effect Effects 0.000 title claims abstract description 19
- 230000001154 acute effect Effects 0.000 claims description 7
- 238000012423 maintenance Methods 0.000 description 3
- 230000006378 damage Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 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
- 230000000694 effects Effects 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000000926 separation method Methods 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 an open-type reverse spiral pointed cone type stop spring washer, which comprises a spring washer body, wherein the spring washer body is of a non-closed annular structure, the right side part positioned at the opening of the spring washer body is tilted downwards relative to the upper plane of the spring washer body, and the left side part positioned at the opening of the spring washer body is tilted upwards relative to the lower plane of the spring washer body.
Description
Technical Field
The invention belongs to the technical field of manufacturing of universal accessories in the mechanical industry, and particularly relates to an open-shaped reverse spiral conical stop 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
In order to solve the problems, the invention discloses an open-ended reverse spiral pointed cone type stop spring washer which is provided with a pointed cone and can penetrate into a nut and a workpiece or a flat pad to lock the nut and prevent the nut from loosening.
The opening-shaped reverse spiral pointed cone type stop spring washer comprises a spring washer body, wherein the spring washer body is of a non-closed annular structure, the right side part positioned at the opening of the spring washer body is tilted downwards relative to the upper plane of the spring washer body, the left side part positioned at the opening of the spring washer body is tilted upwards relative to the lower plane of the spring washer body, the upper part of the end head of the upward 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 left pointed cone structure in a conical surface form respectively, the left tip of the left pointed conical structure faces towards the nut to be pressed, the vertical distance from the left tip of the left 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 left tip of the left pointed conical structure is higher than the upper top surface of the spring washer body;
the upper portion of the end of the right side portion of perk downwards is in edge department certain position department on the end of the distance right side portion on the inner disc of spring washer body, outer disc, lower bottom surface and end left surface, and four faces form right sharp conical structure with the form of conical surface respectively, the right most advanced orientation of right sharp conical structure is the nut that compresses tightly, and the vertical distance of the right most advanced end of right sharp conical structure to the end lower edge of right side portion is less than the thickness of spring washer body, the right most advanced end of right sharp conical structure surpasss the lower bottom surface certain distance of spring washer body, and the thickness of spring washer body is greater than the thickness of the spring washer of national standard with the specification.
Preferably, the length of each of the end of the right side portion turned up downwards and the end of the left side portion turned up upwards is less than one quarter of the length of the ring body of the spring washer body.
Preferably, the left pointed conical structure and the right pointed conical structure are all four-sided pointed conical bodies.
Preferably, the farthest horizontal distance from the right tip of the right 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 horizontal distance from the left tip of the left pointed conical structure to the farthest one fourth of the outer circumference of the left side of the spring washer body is less 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.
Preferably, the included angle between the right side surface of the end head and the tangent of the lower bottom surface of the right side part is an acute angle.
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 left tip of the left 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 right tip of the right pointed conical structure faces to the opposite direction or vertical to the rotating direction of the reverse screw nut.
Preferably, the tip left side surface of the right side portion is parallel to the tip right side surface of the left side portion.
Compared with the prior art, the invention has the beneficial effects that:
1. the spring washer is provided with the pointed cone, the effect of locking the nut can be achieved as long as 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 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 spring washer is made of elastic materials, the pointed cone has strong hardness, and the pointed cone is an acute angle and can automatically penetrate 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 left pointed conical structure and the left pointed conical structure 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 partial perspective view of the left pointed cone structure of the present invention;
fig. 5 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. 1-4, the open-ended reverse spiral taper-type retaining spring washer, includes a spring washer body L, the spring washer body L is of a non-closed annular structure, the right side part 2 positioned at the opening of the spring washer body L tilts downwards relative to the upper plane of the spring washer body L, the left side part 1 positioned at the opening of the spring washer body L tilts upwards relative to the lower plane of the spring washer body L, the upper part of the end head of the upward tilting left side part 1 is positioned at a certain position on the inner circular surface, the outer circular surface, the upper top surface 11 and the end head right side surface 12 of the spring washer body L away from the upper edge of the end head of the left side part 1, and the four surfaces form a left pointed conical structure 13 in a conical surface form respectively, the left tip A of the left pointed conical structure 13 faces the nut to be pressed, and the vertical distance H from the left tip A of the left pointed conical structure 13 to the lower edge of the end head of the left side part 1 is provided.1Is less than the thickness H of the spring washer body L2The left tip A of the left pointed conical structure 13 is higher than the upper top surface 11 of the spring washer body L;
the upper part of the end of the right side part 2 tilting downwards is at a certain position on the inner circular surface, the outer circular surface, the lower bottom surface 21 and the end left side surface 22 of the spring washer body L away from the upper edge of the end of the right side part 2, the four surfaces form a right pointed conical structure 23 in a conical surface mode respectively, the right pointed end B of the right pointed conical structure 23 faces towards the nut to be pressed, and the vertical distance H1 from the right pointed end B of the right pointed conical structure 23 to the lower edge of the end of the right side part 2 is smaller than the thickness H1 of the spring washer body L2The right tip B of the right pointed conical structure 23 exceeds the lower bottom surface 21 of the spring washer body L by a certain distance, and the thickness H of the 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 length of the end of the right side part 2 tilting downwards and the length of the end of the left side part 1 tilting upwards are both smaller than one fourth of the length of the ring body L of the spring washer body.
The left pointed conical structure 13 and the right pointed conical structure 23 are all four-sided pointed conical cones.
The farthest horizontal distance h from the right tip B of the right pointed conical structure 23 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 left tip A of the left pointed conical structure 13 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.
The included angle 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 top surface 11 on the spring washer body L and the horizontal plane is an acute angle.
The included angle between the right side surface 12 of the end head and the tangent of the lower bottom surface 21 of the right side part 2 is an acute angle.
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 spiral nut to be pressed on the spring washer body L, so that the reverse spiral nut is ensured to be fastened, the left pointed end A of the left pointed conical structure 13 faces the same direction or perpendicular to the rotating direction of the reverse spiral nut, and the right pointed end B of the right pointed conical structure 23 faces the opposite direction or perpendicular to the rotating direction of the reverse spiral nut.
The end left side 22 of the right side 2 is parallel to the end right side 12 of the left side 1.
As shown in fig. 5, in use, the bolt N and the nut M for reverse rotation of the present invention are sequentially inserted through the workpiece X, Y, the flat pad 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 tip of the upper left pointed cone 1 and the tip of the lower right pointed cone 2 of the spring washer body L penetrate into the nut M and the flat pad Z or the workpiece Y, respectively, so as to ensure that the nut M does not loosen.
The flat pad Z may be installed according to actual operation requirements, and may be used when the workpiece X cannot be broken or is difficult to pierce.
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 (9)
1. The opening-shaped reverse spiral pointed cone type stop spring washer comprises a spring washer body, wherein the spring washer body is of a non-closed annular structure, the right side part at the opening of the spring washer body is tilted downwards relative to the upper plane of the spring washer body, the left side part at the opening of the spring washer body is tilted upwards 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 left pointed conical structure in a conical surface form respectively, the left tip of the left pointed conical structure faces towards the nut to be pressed, the vertical distance from the left tip of the left 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 left tip of the left pointed conical structure is higher than the upper top surface of the spring washer body;
the upper portion of the end of the right side portion of perk downwards is in edge department certain position department on the end of the distance right side portion on the inner disc of spring washer body, outer disc, lower bottom surface and end left surface, and four faces form right sharp conical structure with the form of conical surface respectively, the right most advanced orientation of right sharp conical structure is the nut that compresses tightly, and the vertical distance of the right most advanced end of right sharp conical structure to the end lower edge of right side portion is less than the thickness of spring washer body, the right most advanced end of right sharp conical structure surpasss the lower bottom surface certain distance of spring washer body, and the thickness of spring washer body is greater than the thickness of the spring washer of national standard with the specification.
2. The split reverse spiral cone stop spring washer according to claim 1 wherein the length of each of the end of the right side turned up and the end of the left side turned up is less than one quarter of the length of the spring washer body ring.
3. The split counter-spiral cusp-type retainer spring washer according to claim 1, characterized in that said left and right cusp cone structures are four-sided cusp cone bodies.
4. The split counter-spiral spike type retainer spring washer according to claim 2, wherein the horizontal distance from the right tip of the right spike configuration to the outer circumference of one quarter of the right side of the spring washer body is less than the radius of the outer circumference of the washer body; the horizontal distance from the left tip of the left pointed conical structure to the farthest one fourth of the outer circumference of the left side of the spring washer body is less than the radius of the outer circumference of the washer body.
5. The split-type reverse-spiral cusp-type retainer spring washer according to claim 1, wherein the right side surface of the end of the left side portion forms an obtuse angle with the tangent of the lower end surface of the left side portion.
6. The split-type reverse-spiral spike-type 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.
7. The split counter-spiral cusp-type retainer spring washer according to claim 1, wherein the angle between the right side surface of the tip and the tangent to the lower bottom surface of the right side portion is an acute angle.
8. The split-type reverse-spiral pointed cone type retaining spring washer as claimed in claim 1, wherein the tilting directions of the left side part and the right side part at the split of the spring washer body are consistent according to the screwing direction of the reverse-spiral nut to be pressed on the spring washer body, so that the left pointed end of the left pointed cone structure faces to the same direction or perpendicular to the rotating direction of the reverse-spiral nut when the reverse-spiral nut is fastened, and the right pointed end of the right pointed cone structure faces to the opposite direction or perpendicular to the rotating direction of the reverse-spiral nut.
9. The split counter-spiral cusp-type retainer spring washer according to claim 8, wherein the right side end left flank is parallel to the left side end right flank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010944087.3A CN112096721A (en) | 2020-09-10 | 2020-09-10 | Opening type reverse spiral conical stop spring washer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010944087.3A CN112096721A (en) | 2020-09-10 | 2020-09-10 | Opening type reverse spiral conical stop spring washer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112096721A true CN112096721A (en) | 2020-12-18 |
Family
ID=73752251
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010944087.3A Withdrawn CN112096721A (en) | 2020-09-10 | 2020-09-10 | Opening type reverse spiral conical stop spring washer |
Country Status (1)
| Country | Link |
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| CN (1) | CN112096721A (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 CN202010944087.3A patent/CN112096721A/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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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20201218 |