CN201071867Y - Anti-loosing structure of self-locking nut - Google Patents
Anti-loosing structure of self-locking nut Download PDFInfo
- Publication number
- CN201071867Y CN201071867Y CNU2007200075022U CN200720007502U CN201071867Y CN 201071867 Y CN201071867 Y CN 201071867Y CN U2007200075022 U CNU2007200075022 U CN U2007200075022U CN 200720007502 U CN200720007502 U CN 200720007502U CN 201071867 Y CN201071867 Y CN 201071867Y
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- Prior art keywords
- elastic component
- self
- nut
- locking
- groove
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- Expired - Fee Related
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Abstract
The utility model discloses a loose-proof structure for a self-locking nut. An annular convex wall is arranged extendedly below the nut, which is equipped with at least one elastomer on the side wall. The outside and the inside of the elastomer respectively form a heave and a supporting part. A locking ring is sleeved outside the convex wall below the nut, which presses the heave of the elastomer to make the supporting part of the elastomer press against the screw inside the nut. Thus, the elastomer enclasps the external wall of the screw by elastic deformation under external force or directly presses inside the thread groove to achieve the purpose of self-locking of the nut and preventing the nut from loosing for vibrating. The self-locking nut can be used repeatedly since the demolishing of the self-locking nut will not damage the screw or the nut.
Description
Technical field
The utility model relates to a kind of nut, refers to a kind of self-locking nut anti-loose structure especially.
Background technique
Locking nut can be applicable to various occasions, and for example inlet valve or the drain valve in the cistern just needs nut check.After this inlet valve or drain valve were installed in the water tank, it was provided with externally threaded end and stretches out from the mounting hole of water tank bottom, can lock by nut afterwards.And in general, inlet valve and drain valve promptly are installed in the cistern before dispatching from the factory, therefore in transportation process, because the vibration nut is probably loosening, behind the arrival market, the sales force can not check one by one, and nut locked one by one, if but do not check and occur the phenomenon of nut loosening, when then the Consumer uses, just seepy question might occur, thereby cause unnecessary trouble.The problems referred to above not only appear in the cistern, need use the occasion of locking nut for other, have similar problem equally and occur, and therefore how to make nut also can not become flexible under the vibration situation, are the problem that the dealer will consider at present.
Though a kind of self-locking nut is arranged at present, it can reach locking effect, but after this self-locking nut is in a single day locked, just can't dismantle, in other words, will destroy nut in case remove, even screw rod also will damage, and some screw rod is to be fixed on the product, and screw rod damages product and also can't re-use, thereby causes waste.
The model utility content
The purpose of this utility model is to provide a kind of self-locking nut anti-loose structure, and this nut has auto-lock function after locking, thereby can prevent to become flexible because of vibration, also is convenient to dismounting simultaneously.
For achieving the above object, technical solution of the present utility model is:
A kind of self-locking nut anti-loose structure, this nut below is extended with the protruding wall of a ring-type, and the sidewall of the protruding wall of this ring-type is provided with at least one elastic component, and the outside of this elastic component is formed with projection, and the inboard then forms block holding part; Also be with a locking ring on the protruding perseverance of this nut below, this locking ring compresses the projection in the elastic component outside, makes the block holding part of elastic component inboard fasten on the screw rod in nut.
Described elastic component is a radial elastic spare, the described free end outside that convexes to form in this radial elastic spare; The corresponding above-mentioned radial elastic spare of the inwall of described locking ring position is provided with groove, and this locking ring inwall also is provided with in order to compress the inclined-plane that compresses of elastic component.
The described inclined-plane that compresses begins to extend to internal diameter from described groove floor one side, and is positioned at a side of corresponding elastic component projection.
The described inclined-plane that compresses is arranged at bottom portion of groove, and its true dip direction begins to tilt to internal diameter from described elastic component free end.
Described elastic component is an axial elasticity spare, and this axial elasticity spare is that wire bending forms, and it is installed in the groove of the protruding perseverance of above-mentioned ring-type.
The corresponding described radial elastic spare of the inwall of described locking ring position is provided with in order to compress the inclined-plane that compresses of this elastic component.
Describedly compress the bottom that the inclined-plane is arranged at described locking ring inwall one groove, the top of this groove also is provided with a tilted guide surface.
After adopting such scheme, because the utility model has extended a protruding perseverance of ring-type on locking nut, then be provided with elastic component on the protruding perseverance of this ring-type, this elastic component is under the external force effect of a locking ring, elastically deformable and hold screw rod outer wall in the nut tightly, perhaps directly fasten in the screw flight groove, thereby can reach the purpose that makes the nut self-locking, can prevent that like this nut from becoming flexible because of vibration.
In addition, after rotation or outwards extracting locking ring, described elastic component is retrained by locking ring no longer, its elastic-restoring force causes it no longer to pack tightly screw rod or deviates from the screw flight groove, get final product the turn nut this moment, nut is removed from screw rod, and dismounting back screw rod and nut can not damage, and can use repeatedly.
Description of drawings
Fig. 1 is the utility model first embodiment's a three-dimensional exploded view;
Fig. 2 is the structural representation of the utility model first embodiment's locking ring;
Fig. 3 is the utility model first embodiment's a three-dimensional combination figure;
Fig. 4 is the sectional view before the utility model first embodiment locks;
Fig. 5 is the sectional view after the utility model first embodiment locking;
Fig. 6 is the utility model second embodiment's a three-dimensional exploded view;
Fig. 7 is the utility model second embodiment's a assembled sectional view (not locking);
Fig. 8 is a not locking state schematic representation of the utility model second embodiment;
Fig. 9 is the utility model second embodiment's locking state schematic representation.
Embodiment
As shown in Figure 1, it is the utility model first embodiment, and described nut 1 below is extended with the protruding wall 11 of a ring-type, forms at least one radial elastic spare 12 on the sidewall of the protruding wall 11 of this ring-type, the free end outside of this elastic component 12 is formed with projection 13, and the inboard then forms block holding part 14.
This nut 1 below protruding permanent 11 on also be with a locking ring 2 (as shown in Figure 2), the corresponding above-mentioned elastic component of the inwall of this locking ring 2 12 positions are provided with groove 21, corresponding elastic component 12 quantity of these locking ring 2 inwalls also are provided with and compress inclined-plane 22, this compresses inclined-plane 22 and begins to extend to internal diameter from above-mentioned groove 21 bottom surfaces one side, and is positioned at corresponding elastic component 12 projectioies 13 1 sides.
In use, as shown in Figure 3, earlier described nut 1 is tightened on the screw rod 3 of desire locking, and make protruding permanent 11 of nut 1 be positioned at the free end of screw rod 3, then with the elastic component 12 on groove 21 alignings above-mentioned protruding permanent 11 of described locking ring 2, and locking ring 2 is placed in this on protruding permanent 11, as shown in Figure 4, afterwards, to one sideway swivel of elastic component 12 connecting ends, promptly can to oppress this elastic component 12 free-ended protruding 13 on the inclined-plane 22 that compresses of these locking ring 2 inwalls with locking ring 2, makes the block holding part 14 of elastic component 12 inboards be closely against the threaded outer wall (as shown in Figure 5) of screw rod 3, thereby firmly grasp screw rod 3, reach the purpose of self-locking.
The described inclined-plane 22 that compresses of the foregoing description is to be located at outside the described groove 21, and is positioned at elastic component 12 free ends one side.And this compresses the inclined-plane and also can be arranged at bottom portion of groove, and its true dip direction begins to tilt to internal diameter from described elastic component free end, this structure is when locking, the locking direction is different with the foregoing description, but along one sideway swivel of elastic component 12 free ends, it can reach the purpose that makes elastic component hold screw rod tightly equally.But this structure is because to compress the true dip direction on inclined-plane identical with the direction of elastic component, thus the resilience trend of elastic component and locking ring to unscrew direction identical, easily become flexible when vibrating thereby cause this structure to compare above-mentioned first embodiment.From another side, above-mentioned first embodiment is because the described true dip direction that compresses inclined-plane 22 is opposite with elastic component 12 directions, thereby make elastic component resilience trend and locking ring 2 to unscrew direction opposite, so this first embodiment anti-vibration ability is stronger, anti-loosing effect is better.
Again as shown in Figure 6, it is the utility model second embodiment, the described nut of this embodiment 1 ' below also be extended with the protruding wall 11 of a ring-type ', the protruding wall 11 of this ring-type ' sidewall on form at least one axial elasticity spare 12 ', this elastic component 12 ' can be wire bending to form, its outside be formed with projection 13 ', inboard form block holding part 14 ', the above-mentioned ring-type of and this elastic component 12 ' be installed in protruding permanent 11 ' a groove 15 ' in.
The ring-type of this nut 1 ' below protruding permanent 11 ' on also be with a locking ring 2 ', this locking ring 2 ' the corresponding above-mentioned elastic component of inwall 12 ' position be provided with compress inclined-plane 22 ', this compress inclined-plane 22 ' can a be arranged at groove 21 ' the bottom, this groove 21 ' the top can be provided with again a tilted guide surface 23 '.
In use, as shown in Figure 7, earlier with described nut 1 ' be tightened on the screw rod 3 of desire locking, and make nut 1 ' protruding permanent 11 ' be positioned at the free end of screw rod 3; Then with described locking ring 2 ' the tilted guide surface 23 ' aligning at groove 21 ' top above-mentioned protruding permanent 11 ' on elastic component 12 ', as shown in Figure 8; Afterwards, firmly inwardly push away locking ring 2 ', make locking ring 2 ' be placed in protruding permanent 11 ' on, at this moment, the projection 13 in described elastic component 12 ' outside ' suffer oppression, make inboard block holding part 14 ' be stuck in screw rod 3 ' a wherein thread groove in (as shown in Figure 9), simultaneously, this projection 13 ' be subjected to is described compress inclined-plane 22 ' compress and locate, thereby reach the purpose of self-locking.
The described groove 21 of above-mentioned second embodiment ', the tilted guide surface 23 of and this groove 21 ' up and down ', compress inclined-plane 22 ' all inessential, in fact, only need utilize locking ring 2 ' inwall can reach compress described elastic component 12 ' outside projection 13 ' purpose.
Claims (7)
1. self-locking nut anti-loose structure is characterized in that: this nut below is extended with the protruding wall of a ring-type, and the sidewall of the protruding wall of this ring-type is provided with at least one elastic component, and the outside of this elastic component is formed with projection, and the inboard then forms block holding part; Also be with a locking ring on the protruding perseverance of this nut below, this locking ring compresses the projection in the elastic component outside, makes the block holding part of elastic component inboard fasten on the screw rod in nut.
2. self-locking nut anti-loose structure as claimed in claim 1 is characterized in that: described elastic component is a radial elastic spare, the described free end outside that convexes to form in this radial elastic spare; The corresponding above-mentioned radial elastic spare of the inwall of described locking ring position is provided with groove, and this locking ring inwall also is provided with in order to compress the inclined-plane that compresses of elastic component.
3. self-locking nut anti-loose structure as claimed in claim 2 is characterized in that: the described inclined-plane that compresses begins to extend to internal diameter from described groove floor one side, and is positioned at a side of corresponding elastic component projection.
4. self-locking nut anti-loose structure as claimed in claim 2 is characterized in that: the described inclined-plane that compresses is arranged at bottom portion of groove, and its true dip direction begins to tilt to internal diameter from described elastic component free end.
5. self-locking nut anti-loose structure as claimed in claim 1 is characterized in that: described elastic component is an axial elasticity spare, and this axial elasticity spare is that wire bending forms, and it is installed in the groove of the protruding perseverance of above-mentioned ring-type.
6. self-locking nut anti-loose structure as claimed in claim 5 is characterized in that: the corresponding described radial elastic spare of the inwall of described locking ring position is provided with in order to compress the inclined-plane that compresses of this elastic component.
7. self-locking nut anti-loose structure as claimed in claim 6 is characterized in that: describedly compress the bottom that the inclined-plane is arranged at described locking ring inwall one groove, the top of this groove also is provided with a tilted guide surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200075022U CN201071867Y (en) | 2007-06-28 | 2007-06-28 | Anti-loosing structure of self-locking nut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200075022U CN201071867Y (en) | 2007-06-28 | 2007-06-28 | Anti-loosing structure of self-locking nut |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201071867Y true CN201071867Y (en) | 2008-06-11 |
Family
ID=39550425
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200075022U Expired - Fee Related CN201071867Y (en) | 2007-06-28 | 2007-06-28 | Anti-loosing structure of self-locking nut |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201071867Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102287439A (en) * | 2010-06-17 | 2011-12-21 | 北汽福田汽车股份有限公司 | lock nut |
| CN103122907A (en) * | 2011-11-17 | 2013-05-29 | 安全锁紧螺母公司 | Locknut |
| CN107364163A (en) * | 2017-09-05 | 2017-11-21 | 嘉兴大道锻造技术咨询有限公司 | A kind of Multifunctional hydraulic press |
| CN107630910A (en) * | 2016-07-18 | 2018-01-26 | 天津市天龙得冷成型部件有限公司 | Removable removing nut with fastening connection piece |
| CN110095048A (en) * | 2018-01-31 | 2019-08-06 | 杨斌堂 | Screw, nut and fastener combination |
-
2007
- 2007-06-28 CN CNU2007200075022U patent/CN201071867Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102287439A (en) * | 2010-06-17 | 2011-12-21 | 北汽福田汽车股份有限公司 | lock nut |
| CN103122907A (en) * | 2011-11-17 | 2013-05-29 | 安全锁紧螺母公司 | Locknut |
| CN107630910A (en) * | 2016-07-18 | 2018-01-26 | 天津市天龙得冷成型部件有限公司 | Removable removing nut with fastening connection piece |
| CN107364163A (en) * | 2017-09-05 | 2017-11-21 | 嘉兴大道锻造技术咨询有限公司 | A kind of Multifunctional hydraulic press |
| CN110095048A (en) * | 2018-01-31 | 2019-08-06 | 杨斌堂 | Screw, nut and fastener combination |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080611 Termination date: 20100628 |