CN107676365B - Anti-loosening bolt - Google Patents
Anti-loosening bolt Download PDFInfo
- Publication number
- CN107676365B CN107676365B CN201711033774.4A CN201711033774A CN107676365B CN 107676365 B CN107676365 B CN 107676365B CN 201711033774 A CN201711033774 A CN 201711033774A CN 107676365 B CN107676365 B CN 107676365B
- Authority
- CN
- China
- Prior art keywords
- screw
- groove
- elastomer
- grooves
- projectile body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 229920001971 elastomer Polymers 0.000 claims abstract description 43
- 239000000806 elastomer Substances 0.000 claims abstract description 43
- 229910000639 Spring steel Inorganic materials 0.000 claims abstract description 4
- 230000006835 compression Effects 0.000 claims description 18
- 238000007906 compression Methods 0.000 claims description 18
- 210000001503 joint Anatomy 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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
- F16B39/28—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening by special members on, or shape of, the nut or bolt
- F16B39/284—Locking by means of elastic deformation
-
- 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
- F16B35/00—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws
- F16B35/04—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws with specially-shaped head or shaft in order to fix the bolt on or in an object
- F16B35/041—Specially-shaped shafts
- F16B35/044—Specially-shaped ends
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Springs (AREA)
Abstract
The invention discloses a locking bolt, comprising: the screw rod, be equipped with the recess of axial extension on the lateral wall of screw rod, be equipped with the elastomer that is made by spring steel in the recess, the one end and the screw rod fixed connection of elastomer, its other end are the free end, and under natural state, the side that the elastomer is close to recess one side has the interval between the outer wall of screw rod, and this interval increases gradually from the stiff end of elastomer to its free end. The invention can play a good role in loosening.
Description
Technical Field
The invention relates to the technical field of nut and screw rod production and manufacturing, in particular to a locking bolt.
Background
At present, the fastening of the component connection or the equipment and the part is usually completed by bolts. The known bolt composition generally comprises a nut having a threaded shank and a threaded engagement with the threaded shank. Because the bolt is often used in jolt and swaying environment to make the nut can produce to become flexible because of jolt and swaying, make the fastness of connection have certain potential safety hazard, need to improve.
Disclosure of Invention
Based on the technical problems in the background art, the invention provides a locking bolt.
The invention provides a locking bolt, which comprises: the screw rod, be equipped with the recess of axial extension on the lateral wall of screw rod, be equipped with the elastomer that is made by spring steel in the recess, the one end and the screw rod fixed connection of elastomer, its other end are the free end, and under natural state, the side that the elastomer is close to recess one side has the interval between the outer wall of screw rod, and this interval increases gradually from the stiff end of elastomer to its free end.
Preferably, the projectile body is a cambered surface body coaxially arranged with the screw.
Preferably, the side surface of the elastomer, which is far away from the groove, is provided with a plurality of first screw teeth parts which are arranged at equal intervals along the height direction of the screw, the outer surface of the screw is provided with a plurality of second screw teeth parts which are arranged at equal intervals along the height direction of the screw, and when the elastomer and the screw are positioned on the same ring surface, each first screw tooth part on the elastomer is in butt joint with each second screw tooth part on the screw to form screw teeth which spiral and spiral around the axis of the screw.
Preferably, a compression spring is arranged between the projectile body and the groove, two ends of the compression spring are respectively connected with the projectile body and the inner wall of the groove, when the compression spring is in a natural state, a space is arranged between the lateral surface of one side of the projectile body, which is close to the groove, and the outer wall of the screw rod, and the space is gradually increased from the fixed end of the projectile body to the free end of the projectile body.
Preferably, a first sliding groove which extends axially is arranged on the side surface of the elastomer, which is close to one side of the groove; a second sliding groove extending axially is arranged on the side surface of the groove opposite to the projectile body; the two ends of the compression spring are respectively and slidably arranged in the first chute and the second chute.
Preferably, two grooves are arranged on two sides of the axis of the screw rod, and the two grooves are internally provided with elastic bodies.
Preferably, the two grooves are communicated with each other, and the elastic bodies in the two grooves are provided with compression springs for connecting the elastic bodies with each other.
According to the invention, the groove is formed in the screw, the elastomer is arranged in the groove, one end of the elastomer is fixed with the screw, the other end of the elastomer is a free end, when the elastomer is in a natural state, a space is reserved between the side surface of one side of the elastomer, which is close to the groove, and the outer wall of the screw, and the space is gradually increased from the fixed end of the elastomer to the free end of the screw, when the nut is arranged, the elastomer is pressed in the groove in a pressing mode, then the nut is screwed in from the free end of the elastomer to the fixed end of the elastomer, after the nut passes through the free end of the elastomer, the pressing action on the elastomer is released, the elastomer expands outwards in the self elastic force to form a tilting part in the unscrewing direction of the nut, so that the nut cannot be unscrewed, and a good loosening effect is achieved.
Drawings
Fig. 1 is a schematic structural view of a locking bolt according to the present invention.
Detailed Description
The technical scheme of the invention is described in detail through specific embodiments.
As shown in fig. 1, fig. 1 is a schematic structural view of a locking bolt according to the present invention.
Referring to fig. 1, an anti-loosening bolt according to an embodiment of the present invention includes: the screw rod 1, be equipped with the recess of axial extension on the lateral wall of screw rod 1, be equipped with in the recess and make by spring steel and form the projectile body 2, projectile body 2's one end and screw rod 1 fixed connection, its other end is the free end, and under the natural state, projectile body 2 is close to the side of recess one side and the interval between the outer wall of screw rod 1, and this interval increases gradually from projectile body 2's stiff end to its free end.
The invention is used in this way: when the screw passes through the workpiece to be connected, the elastic body 2 is pressed in the groove in a pressing mode when the screw is arranged on the nut, then the nut is screwed in the direction of the fixed end of the elastic body 2 from the free end of the elastic body 2, the pressing action on the elastic body 2 is released after the nut passes through the free end of the elastic body 2, the free end of the elastic body 2 is expanded outwards by utilizing the self elasticity of the elastic body 2, a warping position is formed in the screwing-out direction of the nut, and the nut cannot be screwed out to block the screwing-out of the nut.
According to the invention, the groove is formed in the screw 1, the elastomer 2 is arranged in the groove, one end of the elastomer 2 is fixed with the screw 1, the other end of the elastomer 2 is a free end, when the elastomer 2 is in a natural state, a space is formed between the side surface of one side of the elastomer 2, which is close to the groove, and the outer wall of the screw 1, and the space is gradually increased from the fixed end of the elastomer 2 to the free end of the elastomer, when a nut is screwed in the groove in a pressing mode, the elastomer 2 is pressed into the groove, then the nut is screwed in from the free end of the elastomer 2 to the fixed end of the elastomer 2, after the nut passes through the free end of the elastomer 2, the pressing action on the elastomer 2 is released, and the elastomer 2 expands outwards by self elasticity to form a tilted part in the nut screwing-out direction, so that the nut cannot be screwed out, and a good loosening effect is achieved.
In addition, in this embodiment, the projectile body 2 is a cambered surface body coaxially arranged with the screw 1, a plurality of first screw teeth parts are arranged on a side surface of the projectile body 2 far away from the groove side and are arranged at equal intervals along the height direction of the screw 1, a plurality of second screw teeth parts are arranged on the outer surface of the screw 1 and are arranged at equal intervals along the height direction of the screw 1, when the projectile body 2 and the screw 1 are positioned on the same ring surface, each first screw teeth part on the projectile body 2 is butted with each second screw teeth part on the screw 1 to form screw teeth spirally rising around the axis of the screw 1, so that the first screw teeth parts are butted with the second screw teeth parts in a manner of pressing the projectile body 2 to enable the screw cap to smoothly screw in, and the screw teeth are deformed in a manner of loosening the projectile body 2 to enable the screw cap to be unable to screw out, thereby further improving the loosening effect.
In this embodiment, a compression spring 3 is disposed between the projectile body 2 and the groove, two ends of the compression spring 3 are respectively connected with the projectile body 2 and the inner wall of the groove, and when the compression spring 3 is in a natural state, a space is formed between the side surface of the projectile body 2, which is close to one side of the groove, and the outer wall of the screw 1, and the space is gradually increased from the fixed end of the projectile body 2 to the free end of the projectile body, and the reset capability of the projectile body 2 is improved by arranging the compression spring 3 between the projectile body 2 and the groove. In the embodiment, a first sliding groove extending axially is arranged on the side surface of the elastomer 2, which is close to one side of the groove; the side surface of the groove opposite to the projectile body 2 is provided with a second sliding groove extending axially; the two ends of the compression spring 3 are respectively and slidably arranged in the first chute and the second chute, so that the compression spring 3 can move up and down along the axial direction of the screw 1 between the projectile body 2 and the compression spring 3, and the opening angle of the projectile body 2 can be conveniently adjusted according to the screwing quantity of the screw cap.
In this embodiment, two grooves are provided, the two grooves are oppositely arranged at two sides of the axial lead of the screw 1, and the two grooves are internally provided with the elastic bodies 2, so as to improve the loosening effect, meanwhile, the two grooves are mutually communicated, and the compression spring 3 is positioned between the elastic bodies 2 in the two grooves, so that the compact structure is enhanced, and meanwhile, the two elastic bodies 2 have enough movement amounts towards the groove direction.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (4)
1. A lockbolt, comprising: the screw rod (1), the sidewall of the said screw rod (1) has axially extending grooves, there are elastic bodies (2) made of spring steel in the groove, one end of the elastic body (2) is fixedly connected with screw rod (1), its another end is the free end, and under the natural state, there is interval between outer wall of screw rod (1) and the side of one side of said elastic body (2) close to groove, and this interval increases gradually from fixed end of the elastic body (2) to its free end;
the side surface of the elastomer (2) far away from the groove is provided with a plurality of first screw teeth parts which are arranged at equal intervals along the height direction of the screw (1), the outer surface of the screw (1) is provided with a plurality of second screw teeth parts which are arranged at equal intervals along the height direction of the screw, and when the elastomer (2) and the screw (1) are positioned on the same ring surface, each first screw teeth part on the elastomer (2) is in butt joint with each second screw teeth part on the screw (1) to form screw teeth which spiral around the axial lead of the screw (1);
a compression spring (3) is arranged between the projectile body (2) and the groove, two ends of the compression spring (3) are respectively connected with the projectile body (2) and the inner wall of the groove, when the compression spring (3) is in a natural state, a space is reserved between the side surface of one side of the projectile body (2) close to the groove and the outer wall of the screw (1), and the space is gradually increased from the fixed end of the projectile body (2) to the free end of the projectile body;
the side surface of the elastomer (2) close to one side of the groove is provided with a first sliding groove which extends axially; the side surface of the groove opposite to the elastomer (2) is provided with a second sliding groove extending axially; the two ends of the compression spring (3) are respectively and slidably arranged in the first chute and the second chute.
2. The anti-loosening bolt of claim 1, wherein the projectile body (2) is a cambered surface body coaxially arranged with the screw (1).
3. The anti-loosening bolt as claimed in claim 1, wherein two grooves are provided, the two grooves are oppositely arranged on two sides of the axial lead of the screw (1), and the two grooves are internally provided with the elastic bodies (2).
4. A lockbolt according to claim 3, wherein the two grooves are in communication with each other, and the compression spring (3) connecting the two grooves is provided between the projectile bodies (2) in the two grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711033774.4A CN107676365B (en) | 2017-10-30 | 2017-10-30 | Anti-loosening bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711033774.4A CN107676365B (en) | 2017-10-30 | 2017-10-30 | Anti-loosening bolt |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107676365A CN107676365A (en) | 2018-02-09 |
| CN107676365B true CN107676365B (en) | 2024-04-02 |
Family
ID=61141908
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711033774.4A Active CN107676365B (en) | 2017-10-30 | 2017-10-30 | Anti-loosening bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107676365B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108679070A (en) * | 2018-05-31 | 2018-10-19 | 田应雄 | A kind of anti-drop bolt component |
| CN110792672A (en) * | 2018-08-01 | 2020-02-14 | 苏州微创骨科医疗工具有限公司 | Connecting piece and medical instrument |
| CN110360203B (en) * | 2019-06-17 | 2020-12-08 | 浙江凯耀照明股份有限公司 | Portable lamps and lanterns mounting screw |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2292195A (en) * | 1940-07-03 | 1942-08-04 | Continental Screw Company | Fastener |
| US2398633A (en) * | 1943-06-14 | 1946-04-16 | Gazda Antoine | Bolt and nut assembly |
| FR918221A (en) * | 1945-07-30 | 1947-02-03 | Vechambre Freres | Mechanical screw intended to be screwed in without prior tapping |
| JPS497358U (en) * | 1972-04-24 | 1974-01-22 | ||
| JPS5068153U (en) * | 1973-10-27 | 1975-06-18 | ||
| JPH01173515U (en) * | 1988-05-27 | 1989-12-08 | ||
| JP2009299885A (en) * | 2008-06-12 | 2009-12-24 | Kenkichi Sato | Loosening prevention bolt |
| CN203035688U (en) * | 2012-12-04 | 2013-07-03 | 国家电网公司 | Electric power fitting self-locking pin |
| CN105351311A (en) * | 2015-12-16 | 2016-02-24 | 苏州太湖国家旅游度假区希成五金加工厂 | Expansion bolt |
| CN207364077U (en) * | 2017-10-30 | 2018-05-15 | 安徽凯瑞汽配制造有限公司 | A kind of anti-loosening bolt |
-
2017
- 2017-10-30 CN CN201711033774.4A patent/CN107676365B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2292195A (en) * | 1940-07-03 | 1942-08-04 | Continental Screw Company | Fastener |
| US2398633A (en) * | 1943-06-14 | 1946-04-16 | Gazda Antoine | Bolt and nut assembly |
| FR918221A (en) * | 1945-07-30 | 1947-02-03 | Vechambre Freres | Mechanical screw intended to be screwed in without prior tapping |
| JPS497358U (en) * | 1972-04-24 | 1974-01-22 | ||
| JPS5068153U (en) * | 1973-10-27 | 1975-06-18 | ||
| JPH01173515U (en) * | 1988-05-27 | 1989-12-08 | ||
| JP2009299885A (en) * | 2008-06-12 | 2009-12-24 | Kenkichi Sato | Loosening prevention bolt |
| CN203035688U (en) * | 2012-12-04 | 2013-07-03 | 国家电网公司 | Electric power fitting self-locking pin |
| CN105351311A (en) * | 2015-12-16 | 2016-02-24 | 苏州太湖国家旅游度假区希成五金加工厂 | Expansion bolt |
| CN207364077U (en) * | 2017-10-30 | 2018-05-15 | 安徽凯瑞汽配制造有限公司 | A kind of anti-loosening bolt |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107676365A (en) | 2018-02-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107676365B (en) | Anti-loosening bolt | |
| CN208456998U (en) | A kind of bumps pairs of anti-loose nut structure | |
| CN204839713U (en) | Medical miniature definite torque screwdriver | |
| CN107588084B (en) | Locking bolt assembly of easily assembling that moves | |
| CN105889284A (en) | Lock bolt for heavy machinery | |
| CN216951175U (en) | Rivet with good fastening effect | |
| CN207364078U (en) | A kind of anti-loosening bolt assembly easily assembled | |
| CN207364077U (en) | A kind of anti-loosening bolt | |
| JP2020530420A (en) | Methods for manufacturing joint couplings, conical threaded rings, cut tool attachments that allow attachments to disengage when overloaded, and methods of energy conversion with joint couplings. | |
| CN108361267A (en) | A kind of included clamping head stop nut | |
| CN208885759U (en) | A kind of structurally internal stress is from release fasteners | |
| CN207064370U (en) | A kind of ram cylinder | |
| CN203979236U (en) | Combined type belleville spring | |
| CN111577740A (en) | Composite double-nut anti-loose bolt | |
| CN108317192A (en) | A kind of hydraulic disc type brake device | |
| CN214742671U (en) | Nut and combination of nut and screw | |
| CN202117789U (en) | Piston structure of steel head iron skirt | |
| CN209838919U (en) | Bolt, nut and anti-loosening nut and bolt combination | |
| CN215762728U (en) | Spacing mechanical fastener with firm connection structure | |
| CN103899630A (en) | Locking nut | |
| CN210599787U (en) | Ball end face nut | |
| CN203297279U (en) | Novel nut | |
| CN201687837U (en) | Lock nut | |
| CN205173179U (en) | Stud | |
| CN203185232U (en) | Drive type hydraulic wrench |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |