CN206830612U - A kind of stop nut - Google Patents
A kind of stop nut Download PDFInfo
- Publication number
- CN206830612U CN206830612U CN201720590722.6U CN201720590722U CN206830612U CN 206830612 U CN206830612 U CN 206830612U CN 201720590722 U CN201720590722 U CN 201720590722U CN 206830612 U CN206830612 U CN 206830612U
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- China
- Prior art keywords
- nut
- drive
- constriction
- installation set
- installation
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Abstract
The utility model proposes a kind of stop nut, including nut installation set, drive nut and locking nut, the drive nut is arranged in nut installation set, the top of the drive nut is provided with drive division, the lower section of the locking nut is provided with constriction, the side wall of the constriction axially offers several slots, the drive division drives constriction radial contraction, the top of the constriction is provided with several clamping bars, the inwall of the nut installation set offers annular spacing groove, and the end radial dilatation of the drive division driving clamping bar is embedded in annular spacing groove.The constriction radial contraction of locking nut is controlled by drive nut, the radially connected pretightning force of bolt can be strengthened, reach locking purpose, bolt driving clamping bar is driven to be inlaid in the inside of nut installation set simultaneously, locking nut and nut installation set are locked, ensure the stability of connection, further improve anti-loosing effect.
Description
【Technical field】
The technical field of fastener is the utility model is related to, particularly a kind of stop nut.
【Background technology】
Fastener is exactly to fasten when two or more parts (or component) are fastenedly connected as an entirety to be used
A kind of machine components general name.Nut is one of the most widely used fastener, and nut is closely to connect plant equipment
The part come is picked up, by the screw thread of inner side, is linked together use with equivalent specifications nuts and bolt, bolt is such as screwed out spiral shell
It mother, can separate the two parts again, therefore the connection is to belong to be detachably connected, and can also be widely used on sheet material.
When plant equipment is run, mechanical oscillation can be produced unavoidably, long-term mechanical oscillation cause nut to rock, cause thread abrasion,
So that fastening effect is deteriorated, the service behaviour and stability of plant equipment are have impact on, particularly have impact on some precision equipments
Machining accuracy, it is also possible to the phenomenon in bolt abjection nut thread hole occurs, so as to trigger mechanical breakdown, therefore proposes a kind of anti-
Loose nut.
【Utility model content】
The purpose of this utility model is exactly to solve the problems of the prior art, a kind of stop nut is proposed, by driving spiral shell
The constriction radial contraction of mother's control locking nut, can strengthen the radially connected pretightning force of bolt, reach locking purpose, simultaneously
Driving bolt driving clamping bar is inlaid in the inside of nut installation set, and locking nut and nut installation set are locked, ensured
The stability of connection, further improves anti-loosing effect.
To achieve the above object, the utility model proposes a kind of stop nut, including nut installation set, drive nut and
Locking nut, the drive nut are arranged in nut installation set, and the top of the drive nut is provided with drive division, the locking
The lower section of nut is provided with constriction, and the side wall of the constriction axially offers several slots, and the drive division driving is tightened
Portion's radial contraction, the top of the constriction are provided with several clamping bars, and the inwall of the nut installation set offers annular limit
Position groove, the end radial dilatation of the drive division driving clamping bar are embedded in annular spacing groove.
Preferably, the nut installation set is provided with the first fixing body, the shape of the first installation body section outline
Shape is regular hexagon, and the first installation cavity is offered in first fixing body, and the side wall of first installation cavity offers annular
Stopper slot, the lower section of first installation cavity are provided with driving chamber, and the cross sectional shape of the driving chamber is regular hexagon, and described first
The lower section of fixing body is provided with limit convex edge, and the limit convex with the lower surface of drive nut along being engaged, and the limit convex is in
Provided with the second installation cavity, the axis of the axis and the first installation cavity of second installation cavity coincides.
Preferably, the drive nut also includes connector, hexagonal driving body, removable pin and the first thread cavity, it is described
First thread cavity runs through the center of drive nut, and the top of the connector is provided with drive division, and the lower section of the connector is provided with
Hexagonal driving body, the hexagonal driving body are engaged with nut installation set inner chamber, and the side wall of the hexagonal driving body offers blind
Hole, the removable pin are arranged in blind hole by spring, and the side wall of the nut installation set offers through hole, the removable pin with
Through hole is engaged.
Preferably, the drive division is annular convex, the inwall of the drive division is provided with the first drive surface, described first
Drive surface is taper surface, and first drive surface is engaged with constriction, and the upper surface of the drive division is provided with the second drive surface,
Second drive surface is arcwall face, and second drive surface is engaged with clamping bar.
Preferably, the locking nut also includes the second fixing body and the second thread cavity, second fixing body is cut
Face outline is shaped as regular hexagon, and second thread cavity is under the center of locking nut, second fixing body
Side is provided with constriction, and the constriction is bullet.
Preferably, the number at least two of the clamping bar, the clamping bar is distributed in uniform circular, described
Clamping bar is L-shaped elastic clipping strip.
The beneficial effects of the utility model：The utility model passes through nut installation set, drive nut and locking nut etc.
Coordinate, the constriction radial contraction of locking nut is controlled by drive nut, the radially connected pretightning force of bolt can be strengthened, reached
Locking purpose, while drive bolt driving clamping bar to be inlaid in the inside of nut installation set, locking nut and nut are installed
Set is locked, and is ensured the stability of connection, is further improved anti-loosing effect.
Feature and advantage of the present utility model will be described in detail by embodiment combination accompanying drawing.
【Brief description of the drawings】
Fig. 1 is a kind of cross section structure schematic diagram of stop nut of the utility model；
Fig. 2 is a kind of structural representation of the locking nut of stop nut of the utility model；
Fig. 3 is a kind of structural representation of the drive nut of stop nut of the utility model；
Fig. 4 is a kind of structural representation of the nut installation set of stop nut of the utility model；
Fig. 5 is a kind of schematic cross-section of the locking nut of stop nut of the utility model；
Fig. 6 is a kind of schematic cross-section of the nut installation set of stop nut of the utility model.
【Embodiment】
Refering to a kind of Fig. 1 to stop nut of Fig. 6 the utility model, including nut installation set 1, drive nut 2 and locking screw
Mother 3, the drive nut 2 are arranged in nut installation set 1, and the top of the drive nut 2 is provided with drive division 23, the locking
The lower section of nut 3 is provided with constriction 32, and the side wall of the constriction 32 axially offers several slots 321, the drive division
The 23 driving radial contractions of constriction 32, the top of the constriction 32 are provided with several clamping bars 33, the nut installation set 1
Inwall offers annular spacing groove 121, and the drive division 23 drives the end radial dilatation insertion annular spacing groove of clamping bar 33
In 121.The nut installation set 1 is provided with the first fixing body 11, and the section outline of the first fixing body 11 is shaped as just
Hexagon, the first installation cavity 12 is offered in first fixing body 11, the side wall of first installation cavity 12 offers annular
Stopper slot 121, the lower section of first installation cavity 12 are provided with driving chamber 13, and the cross sectional shape of the driving chamber 13 is positive six side
Shape, the lower section of first fixing body 11 are provided with limit convex along 111, and the limit convex is along 111 and the lower surface phase of drive nut 2
Coordinate, the limit convex is provided with the second installation cavity 112, the axis of second installation cavity 112 and the first installation cavity 12 along 111
Axis coincide.The drive nut 2 also includes connector 21, hexagonal driving body 22, the thread cavity 25 of removable pin 24 and first,
First thread cavity 25 runs through the center of drive nut 2, and the top of the connector 21 is provided with drive division 23, the connector
21 lower section is provided with hexagonal driving body 22, and the hexagonal driving body 22 is engaged with the inner chamber of nut installation set 1, the hexagonal driving
The side wall of body 22 offers blind hole 221, and the removable pin 24 is arranged in blind hole 221 by spring, the nut installation set 1
Side wall offers through hole 14, and the removable pin 24 is engaged with through hole 14.The drive division 23 is annular convex, the drive division
23 inwall is provided with the first drive surface 231, and first drive surface 231 is taper surface, first drive surface 231 and constriction
32 are engaged, and the upper surface of the drive division 23 is provided with the second drive surface 232, and second drive surface 232 is arcwall face, described
Second drive surface 232 is engaged with clamping bar 33.The locking nut 3 also includes the second fixing body 31 and the second thread cavity 34,
The section outline of second fixing body 31 is shaped as regular hexagon, and second thread cavity 34 is through locking nut 3
Center, the lower section of second fixing body 31 are provided with constriction 32, and the constriction 32 is bullet.The number of the clamping bar 33
Mesh at least two, the clamping bar 33 are distributed in uniform circular, and the clamping bar 33 is L-shaped elastic clipping strip.
Utility model works process：
A kind of stop nut of the utility model, during installation, drive nut 2 is installed to nut installation set 1 first
In, by with removable pin 24, while with being alignd during 14 place of through hole, removable pin 2 is fitted in through hole 14, complete during installation
Into the limit installation of assembly, then assembly is installed on fastener with spanner, driving chamber 13 and six during tightening
Angle driving body 22 coordinates, and after assembly installation, locking nut 3 is screwed on fastener with spanner, in the process tightened
In the first drive surface 231 control locking nut 3 the radial contraction of constriction 32, clamping fastener, can strengthen bolt radially connect
Pretightning force is connect, reaches locking purpose, while the radial dilatation of the second drive surface 232 driving clamping bar 33, is inlaid in nut installation
In the annular spacing groove 121 of set, locking nut and nut installation set can be locked, ensure the stability of connection, enter one
Step improves anti-loosing effect.
Above-described embodiment be to explanation of the present utility model, be not to restriction of the present utility model, it is any new to this practicality
Scheme after type simple transformation belongs to the scope of protection of the utility model.
Claims (6)
- A kind of 1. stop nut, it is characterised in that：It is described including nut installation set (1), drive nut (2) and locking nut (3) Drive nut (2) is arranged in nut installation set (1), and the top of the drive nut (2) is provided with drive division (23), the locking The lower section of nut (3) is provided with constriction (32), and the side wall of the constriction (32) axially offers several slots (321), institute Drive division (23) driving constriction (32) radial contraction is stated, the top of the constriction (32) is provided with several clamping bars (33), The inwall of the nut installation set (1) offers annular spacing groove (121), the end of drive division (23) the driving clamping bar (33) In portion's radial dilatation insertion annular spacing groove (121).
- A kind of 2. stop nut as claimed in claim 1, it is characterised in that：The nut installation set (1) is provided with the first peace Body (11) is filled, the first fixing body (11) section outline is shaped as regular hexagon, opened in first fixing body (11) Provided with the first installation cavity (12), the side wall of first installation cavity (12) offers annular spacing groove (121), first installation The lower section of chamber (12) is provided with driving chamber (13), and the cross sectional shape of the driving chamber (13) is regular hexagon, first fixing body (11) lower section is provided with limit convex along (111), and the limit convex is engaged along (111) with the lower surface of drive nut (2), described Limit convex is provided with the second installation cavity (112), the axis and the first installation cavity (12) of second installation cavity (112) along (111) Axis coincide.
- A kind of 3. stop nut as claimed in claim 1, it is characterised in that：The drive nut (2) also includes connector (21), hexagonal driving body (22), removable pin (24) and the first thread cavity (25), first thread cavity (25) run through drive nut (2) center, the top of the connector (21) are provided with drive division (23), and the lower section of the connector (21) drives provided with hexagonal Body (22), the hexagonal driving body (22) are engaged with nut installation set (1) inner chamber, and the side wall of the hexagonal driving body (22) is opened Provided with blind hole (221), the removable pin (24) is arranged in blind hole (221) by spring, the side wall of the nut installation set (1) Through hole (14) is offered, the removable pin (24) is engaged with through hole (14).
- A kind of 4. stop nut as claimed in claim 1, it is characterised in that：The drive division (23) is annular convex, described The inwall of drive division (23) is provided with the first drive surface (231), and first drive surface (231) is taper surface, first driving Face (231) is engaged with constriction (32), and the upper surface of the drive division (23) is provided with the second drive surface (232), and described second Drive surface (232) is arcwall face, and second drive surface (232) is engaged with clamping bar (33).
- A kind of 5. stop nut as claimed in claim 1, it is characterised in that：The locking nut (3) also includes the second installation Body (31) and the second thread cavity (34), the section outline of second fixing body (31) are shaped as regular hexagon, and described Two thread cavities (34) run through the center of locking nut (3), and the lower section of second fixing body (31) is provided with constriction (32), described Constriction (32) is bullet.
- A kind of 6. stop nut as claimed in claim 1, it is characterised in that：The number of the clamping bar (33) is at least two Individual, the clamping bar (33) is distributed in uniform circular, and the clamping bar (33) is L-shaped elastic clipping strip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720590722.6U CN206830612U (en) | 2017-05-25 | 2017-05-25 | A kind of stop nut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720590722.6U CN206830612U (en) | 2017-05-25 | 2017-05-25 | A kind of stop nut |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206830612U true CN206830612U (en) | 2018-01-02 |
Family
ID=60772730
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720590722.6U Active CN206830612U (en) | 2017-05-25 | 2017-05-25 | A kind of stop nut |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206830612U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106958580A (en) * | 2017-05-25 | 2017-07-18 | 海盐宇星螺帽有限责任公司 | A kind of 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 |
| CN110332204A (en) * | 2019-07-25 | 2019-10-15 | 海盐新跃电器有限公司 | A kind of foundation bolt locking device |
-
2017
- 2017-05-25 CN CN201720590722.6U patent/CN206830612U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106958580A (en) * | 2017-05-25 | 2017-07-18 | 海盐宇星螺帽有限责任公司 | A kind of 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 |
| CN109458389B (en) * | 2018-12-20 | 2023-09-26 | 浙江安盛汽车零部件有限公司 | Nylon lock nut |
| CN110332204A (en) * | 2019-07-25 | 2019-10-15 | 海盐新跃电器有限公司 | A kind of foundation bolt locking device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 314300 No. 398, Xitangqiao section road, Wengjin highway, Xitangqiao street, Haiyan County, Jiaxing City, Zhejiang Province Patentee after: Yustar fastener (Jiaxing) Co.,Ltd. Address before: 314300 Xitangqiao changqian market town, Haiyan County, Jiaxing City, Zhejiang Province Patentee before: HAIYAN YUXING NUTS Co.,Ltd. |