CN110513385A - A kind of locking combination nut of retaining - Google Patents
A kind of locking combination nut of retaining Download PDFInfo
- Publication number
- CN110513385A CN110513385A CN201910822573.5A CN201910822573A CN110513385A CN 110513385 A CN110513385 A CN 110513385A CN 201910822573 A CN201910822573 A CN 201910822573A CN 110513385 A CN110513385 A CN 110513385A
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- CN
- China
- Prior art keywords
- retaining
- nut
- nut body
- annular
- locking
- 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.)
- Granted
Links
- 230000009471 action Effects 0.000 claims abstract description 8
- 238000001125 extrusion Methods 0.000 claims abstract description 4
- 238000009434 installation Methods 0.000 claims description 20
- 230000003442 weekly effect Effects 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 238000005538 encapsulation Methods 0.000 claims 1
- 230000008774 maternal effect Effects 0.000 claims 1
- 230000008859 change Effects 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 230000008602 contraction Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000011089 mechanical engineering Methods 0.000 description 1
- 230000009466 transformation Effects 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
- F16B41/00—Measures against loss of bolts, nuts, or pins; Measures against unauthorised operation of bolts, nuts or pins
- F16B41/005—Measures against unauthorised operation of bolts, nuts or pins
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gasket Seals (AREA)
Abstract
The invention proposes a kind of locking combination nuts of retaining, including the first nut body, second nut body, elastic press, drive gasket, retaining set and anti-theft protection set, first nut body, second nut body is set gradually from bottom to top, the outer cover of the two is equipped with anti-theft protection set, the top of first nut body is equipped with the second annular convex platform, the bottom of second nut body is equipped with retaining set, second annular convex platform and retaining set lean cooperation, under the abutment action of the second annular convex platform, the locking card of retaining set is shunk radially inward, the bottom of first nut body is equipped with elastic press, the top of the driving gasket is equipped with first annular boss, the first annular boss and elastic press phase extrusion fit, elastic press deforms under the squeezing action of first annular boss.It can guarantee that the nut being mounted on bolt does not loosen under by the various harsh environments such as frequent vibration and loads change.
Description
[technical field]
The present invention relates to the technical field of fastener, especially a kind of locking combination nut of retaining.
[background technique]
Currently, bolt and nut connection is a kind of very common connecting mode in field of mechanical technique, in automobile, aviation
The fields such as space flight, rail traffic and production equipment manufacture are very widely used.By high-strength impact load, high-intensitive alternation
In load and the working environment of high temperature variation, bolt and nut couples the problem of being produced from loosening.Bolt connection anti-loose
It is the very important link of mechanical engineering field, it is proposed that a kind of locking combination nut of retaining.
[summary of the invention]
The object of the invention is to solve the problems of the prior art, a kind of locking combination nut of retaining is proposed, guarantee peace
Nut on bolt does not loosen under by the various harsh environments such as frequent vibration and loads change.
To achieve the above object, the invention proposes a kind of locking combination nuts of retaining, including the first nut body, second
Nut body, elastic press, driving gasket, retaining set and anti-theft protection set, first nut body, the second nut body are certainly
Under it is supreme set gradually, the outer cover of the two is equipped with anti-theft protection set, and offering below first nut body prevents
Steal the first limit stepped groove of protective case abjection, the top of first nut body is equipped with the second annular convex platform, and described second
The bottom of nut body offers mounting groove, and the retaining set is set in mounting groove, second annular convex platform and retaining set
Lean cooperation, and the retaining set has been provided at circumferentially spaced several locking cards, under the abutment action of the second annular convex platform,
Locking card is shunk radially inward, and the bottom of first nut body is equipped with elastic press, first nut body
Lower section is equipped with driving gasket, and the top of the driving gasket is equipped with first annular boss, and the first annular boss and elasticity are pressed
Block phase extrusion fit, elastic press deforms under the squeezing action of first annular boss.
Preferably, the retaining set further includes installation set, multiple locking cards, institute is arranged in the outer weekly interval of the installation set
The outer wall positioning cams with outward extension of installation set are stated, the installation set is fixed in mounting groove, the mounting groove
Side wall offers positioning ring groove compatible with positioning cams, and the lower end of the mounting groove offers and the second annular convex platform phase
The importing annular groove of adaptation, second annular convex platform from import annular groove in be inserted into, lean with retaining set, the installation set it is upper
Side is symmetrically arranged with two anti-rotation cards, is symmetrically opened up on the mounting groove there are two anti-rotation groove compatible with anti-rotation card.
Preferably, the outer wall of the locking card is successively arranged inclined-plane and arc concave shape slot, second ring from bottom to top
The inner ring of shape boss is equipped with the second driving conical surface matched with inclined-plane.
Preferably, the anti-theft protection set is cylindrical shape, the lower end of the anti-theft protection set has radially extended convex edge,
The cross sectional shape of the convex edge is annular, and the first limit stepped groove is annular groove, and the internal diameter of the convex edge is greater than the first limit
The outer diameter of position stepped groove.
Preferably, the outer wall of first nut body is cylindrical body, the lower end of first nut body is offered
The the second limit stepped groove communicated with its internal screw thread chamber, the elastic press are installed in the second limit stepped groove, the elasticity
The outer ring of briquetting is equipped with tapered surface, and the inner ring of the first annular boss is equipped with the first driving conical surface, the second limit ladder
The upper end of slot offers annular slot, and the upper end of the elastic press is equipped with annular clamping portion compatible with annular slot.
Preferably, the lower end of the anti-theft protection set is equipped with convex edge compatible with the first limit stepped groove, it is described anti-
The height for stealing protective case is greater than the total height after the first nut body, the second nut body, driving gasket installation.
It is installed preferably, the upper surface of first nut body, the second nut body is evenly equipped with several along nut
Direction is by the driver slot shallowly deepened.
Beneficial effects of the present invention: the present invention passes through the first nut body, the second nut body, elastic press, actuator pad
The cooperation of piece, retaining set and anti-theft protection set etc., the cooperation of the first nut body and retaining set can drive locking card radial contraction
It leans with the body of bolt, and by the cooperation of driving gasket and elastic press, make elastic press deformation occurs and connect bolt
Interference fit is generated, can be avoided and loosen, guarantees the fixing of connection；Nut body outer cover sets the knot of antitheft protective case
Structure, anti-theft protection set dallies when being dismantled using current general pipe wrench, standard wrench, cannot tear open to nut body
It unloads, to ensure that the safety of institute's fastening object.
Feature and advantage of the invention will be described in detail by embodiment combination attached drawing.
[Detailed description of the invention]
Fig. 1 is a kind of cross section structure schematic diagram of the locking combination nut of retaining of the present invention；
Fig. 2 is a kind of top view of the locking combination nut of retaining of the present invention；
Fig. 3 is a kind of schematic cross-section of first nut body of the locking combination nut of retaining of the present invention；
Fig. 4 is a kind of top view of first nut body of the locking combination nut of retaining of the present invention；
Fig. 5 is a kind of schematic cross-section of second nut body of the locking combination nut of retaining of the present invention；
Fig. 6 is a kind of schematic cross-section of the driving gasket of locking combination nut of retaining of the present invention；
Fig. 7 is a kind of schematic cross-section of the retaining set of locking combination nut of retaining of the present invention；
Fig. 8 is a kind of schematic cross-section of the anti-theft protection set of locking combination nut of retaining of the present invention.
[specific embodiment]
Refering to fig. 1 to a kind of locking combination nut of retaining of Fig. 8 present invention, including the first nut body 1, the second nut body
2, elastic press 3, driving gasket 4, retaining set 5 and anti-theft protection set 6, first nut body 1, the second nut body 2 are certainly
Under it is supreme set gradually, the outer cover of the two is equipped with anti-theft protection set 6, and the lower section of first nut body 1 offers and prevents
First limit stepped groove 12 of 6 abjection of anti-theft protection set, the top of first nut body 1 are equipped with the second annular convex platform 11,
The bottom of second nut body 2 offers mounting groove 22, and the retaining set 5 is set in mounting groove 22, second ring
Shape boss 11 and retaining set 5 lean cooperation, and the retaining covers 5 and has been provided at circumferentially spaced several locking cards 52, second
Under the abutment action of annular convex platform 11, locking card 52 is shunk radially inward, and the bottom of first nut body 1 is equipped with bullet
Property briquetting 3, the lower section of first nut body 1 is equipped with driving gasket 4, and the top of the driving gasket 4 is equipped with first annular
Boss 41, the first annular boss 41 is with 3 phase extrusion fit of elastic press, the bullet under the squeezing action of first annular boss 41
Property briquetting 3 deforms.The retaining set 5 further includes installation set 51, and multiple retainings are arranged in the outer weekly interval of the installation set 51
Card 52, the outer wall of the installation set 51 positioning cams 511 with outward extension, the installation set 51 is fixed on mounting groove 22
Interior, the side wall of the mounting groove 22 offers positioning ring groove 221 compatible with positioning cams 511, the mounting groove 22
Lower end offers importing annular groove 21 compatible with the second annular convex platform 11, and second annular convex platform 11 is from importing annular groove 21
Insertion 5 leans with retaining set, and the top of the installation set 51 is symmetrically arranged with two anti-rotation cards 53, right on the mounting groove 22
Title is opened up there are two anti-rotation groove 23 compatible with anti-rotation card 53.The outer wall of the locking card 52 is successively arranged inclined-plane from bottom to top
521 and arc concave shape slot 522, the inner ring of second annular convex platform 11 is equipped with the second driving conical surface matched with inclined-plane 521
111.The anti-theft protection set 6 is cylindrical shape, and the lower end of the anti-theft protection set 6 has radially extended convex edge 61, the convex edge
61 cross sectional shape is annular, and the first limit stepped groove 12 is annular groove, and the internal diameter of the convex edge 21 is greater than the first limit
The outer diameter of stepped groove 12.The outer wall of first nut body 1 is cylindrical body, and the lower end of first nut body 1 offers
The the second limit stepped groove 13 communicated with its internal screw thread chamber, the elastic press 3 is installed in the second limit stepped groove 13, described
The outer ring of elastic press 3 is equipped with tapered surface 32, and the inner ring of the first annular boss 41 is equipped with the first driving conical surface 411, described
The upper end of second limit stepped groove 13 offers annular slot 131, and the upper end of the elastic press 3 is equipped with and annular slot 131
Compatible annular clamping portion 31.The lower end of the anti-theft protection set 6 is equipped with convex edge compatible with the first limit stepped groove 12
21, the height of the anti-theft protection set 6 is greater than total height after the first nut body 1, the second nut body 2, driving gasket 4 are installed
Degree.First nut body 1, the second nut body 2 upper surface be evenly equipped with several along nut installation direction by shallowly deepening
Driver slot 7.
The course of work of the present invention:
A kind of locking combination nut of retaining of the present invention, during use, first by anti-theft protection set, driving gasket installation
On bolt, then passing sequentially through the first nut body, the second nut body will with the specific purpose tool of the driver slot at the top of it
Nut installation screws, wherein the cooperation of the second annular convex platform and retaining set can drive locking card radial contraction and bolt
External wall leans, and by the cooperation of driving gasket and elastic press, makes elastic press deformation occurs and connect bolt production
Raw interference fit, realizes dual locking effect, guarantees the fixing of connection.Due to the presence of anti-theft protection set, using current
When general pipe wrench, standard wrench are dismantled, anti-theft protection set will dally, and cannot dismantle to nut body, thus
It ensure that the safety of institute's fastening object.
Above-described embodiment is the description of the invention, is not limitation of the invention, after any pair of simple transformation of the present invention
Scheme all belong to the scope of protection of the present invention.
Claims (7)
1. a kind of locking combination nut of retaining, it is characterised in that: including the first nut body (1), the second nut body (2), bullet
Property briquetting (3), driving gasket (4), retaining set (5) and anti-theft protection set (6), first nut body (1), the second nut sheet
Body (2) is set gradually from bottom to top, and the outer cover of the two is equipped with anti-theft protection set (6), the lower section of first nut body (1)
The first limit stepped groove (12) for preventing anti-theft protection set (6) from deviating from is offered, the top of first nut body (1) is equipped with
The bottom of second annular convex platform (11), second nut body (2) offers mounting groove (22), retaining set (5) setting
In the mounting groove (22), second annular convex platform (11) and retaining set (5) lean cooperation, the circumferential direction of the retaining set (5)
Be arranged at intervals with several locking cards (52), under the abutment action of the second annular convex platform (11), locking card (52) radially to
The bottom of contract, first nut body (1) is equipped with elastic press (3), is set below first nut body (1)
Have driving gasket (4), the top of driving gasket (4) is equipped with first annular boss (41), the first annular boss (41)
With elastic press (3) phase extrusion fit, elastic press (3) deforms under the squeezing action of first annular boss (41).
2. a kind of locking combination nut of retaining as described in claim 1, it is characterised in that: the retaining set (5) further includes peace
Multiple locking cards (52), the installation set is arranged in the outer weekly interval of encapsulation (51) and anti-rotation card (53), the installation set (51)
(51) outer wall positioning cams with outward extension (511), the installation set (51) is fixed in mounting groove (22), described
The side wall of mounting groove (22) offers and positioning cams (511) compatible positioning ring groove (221), the mounting groove (22)
Lower end offers the compatible importing annular groove (21) with the second annular convex platform (11), and second annular convex platform (11) is from importing ring
Insertion, leans with retaining set (5), two anti-rotation cards (53), institute is symmetrically arranged with above the installation set (51) in slot (21)
State symmetrically opened up on mounting groove (22) there are two with anti-rotation card (53) compatible anti-rotation groove (23).
3. a kind of locking combination nut of retaining as claimed in claim 2, it is characterised in that: the outer wall of the locking card (52) is certainly
Under it is supreme be successively arranged inclined-plane (521) and arc concave shape slot (522), the inner ring of second annular convex platform (11) is equipped with and inclined-plane
(521) the second driving conical surface (111) matched.
4. a kind of locking combination nut of retaining as described in claim 1, it is characterised in that: the anti-theft protection set (6) is circle
The lower end of tubular, the anti-theft protection set (6) has radially extended convex edge (61), and the cross sectional shape of the convex edge (61) is ring
Shape, first limit stepped groove (12) are annular groove, and the internal diameter of the convex edge (21) is greater than the first limit stepped groove (12)
Outer diameter.
5. a kind of locking combination nut of retaining as described in claim 1, it is characterised in that: first nut body (1)
Outer wall is cylindrical body, and the lower end of first nut body (1) offers the second limit stepped groove communicated with its internal screw thread chamber
(13), the elastic press (3) is installed in the second limit stepped groove (13), and the outer ring of the elastic press (3) is equipped with taper
Face (32), the inner ring of the first annular boss (41) are equipped with the first driving conical surface (411).
6. a kind of locking combination nut of retaining as described in claim 1, it is characterised in that: under the anti-theft protection set (6)
End is equipped with the compatible convex edge (21) with the first limit stepped groove (12), and the height of the anti-theft protection set (6) is greater than the first spiral shell
Total height after maternal body (1), the second nut body (2), driving gasket (4) installation.
7. a kind of locking combination nut of retaining as described in claim 1, it is characterised in that: first nut body (1), the
The upper surface of two nut bodies (2) is evenly equipped with several along nut installation direction by the driver slot (7) shallowly deepened.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910822573.5A CN110513385B (en) | 2019-09-02 | 2019-09-02 | Retaining anti-loose combined nut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910822573.5A CN110513385B (en) | 2019-09-02 | 2019-09-02 | Retaining anti-loose combined nut |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110513385A true CN110513385A (en) | 2019-11-29 |
| CN110513385B CN110513385B (en) | 2021-04-23 |
Family
ID=68630238
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910822573.5A Active CN110513385B (en) | 2019-09-02 | 2019-09-02 | Retaining anti-loose combined nut |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110513385B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112921578A (en) * | 2019-12-06 | 2021-06-08 | 青岛海尔洗衣机有限公司 | Washing machine impeller mounting structure and washing machine |
| CN113404760A (en) * | 2021-08-03 | 2021-09-17 | 刘世峰 | Novel locking subassembly |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2212583A (en) * | 1987-11-20 | 1989-07-26 | United Carr Gmbh Trw | Retaining device for a threaded bolt |
| CN201531509U (en) * | 2009-09-25 | 2010-07-21 | 陈瑞甫 | Anti-theft nut |
| CN204805286U (en) * | 2015-07-28 | 2015-11-25 | 博峰汽配科技有限公司 | Locknut |
| JP2018536819A (en) * | 2015-11-04 | 2018-12-13 | シュネーベルガー，ヨハネス，ペー． | Multi-functional reaction washer and laminate connected by slim reaction socket |
| CN109026962A (en) * | 2018-10-11 | 2018-12-18 | 浙江赛日机电科技有限公司 | Combine stop nut |
| CN109458389A (en) * | 2018-12-20 | 2019-03-12 | 浙江安盛汽车零部件有限公司 | A kind of nylon locking nut |
| CN109458390A (en) * | 2018-12-20 | 2019-03-12 | 浙江安盛汽车零部件有限公司 | A kind of split type fastening nut |
| CN109764052A (en) * | 2019-03-04 | 2019-05-17 | 中冶京诚工程技术有限公司 | Locknut structure |
-
2019
- 2019-09-02 CN CN201910822573.5A patent/CN110513385B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2212583A (en) * | 1987-11-20 | 1989-07-26 | United Carr Gmbh Trw | Retaining device for a threaded bolt |
| CN201531509U (en) * | 2009-09-25 | 2010-07-21 | 陈瑞甫 | Anti-theft nut |
| CN204805286U (en) * | 2015-07-28 | 2015-11-25 | 博峰汽配科技有限公司 | Locknut |
| JP2018536819A (en) * | 2015-11-04 | 2018-12-13 | シュネーベルガー，ヨハネス，ペー． | Multi-functional reaction washer and laminate connected by slim reaction socket |
| CN109026962A (en) * | 2018-10-11 | 2018-12-18 | 浙江赛日机电科技有限公司 | Combine stop nut |
| CN109458389A (en) * | 2018-12-20 | 2019-03-12 | 浙江安盛汽车零部件有限公司 | A kind of nylon locking nut |
| CN109458390A (en) * | 2018-12-20 | 2019-03-12 | 浙江安盛汽车零部件有限公司 | A kind of split type fastening nut |
| CN109764052A (en) * | 2019-03-04 | 2019-05-17 | 中冶京诚工程技术有限公司 | Locknut structure |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112921578A (en) * | 2019-12-06 | 2021-06-08 | 青岛海尔洗衣机有限公司 | Washing machine impeller mounting structure and washing machine |
| CN113404760A (en) * | 2021-08-03 | 2021-09-17 | 刘世峰 | Novel locking subassembly |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110513385B (en) | 2021-04-23 |
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