CN203702814U - Locknut - Google Patents
Locknut Download PDFInfo
- Publication number
- CN203702814U CN203702814U CN201420099736.4U CN201420099736U CN203702814U CN 203702814 U CN203702814 U CN 203702814U CN 201420099736 U CN201420099736 U CN 201420099736U CN 203702814 U CN203702814 U CN 203702814U
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- CN
- China
- Prior art keywords
- nut
- described left
- opening slot
- hole
- 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.)
- Expired - Fee Related
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Abstract
The utility model provides a locknut. The locknut comprises a left nut and a right nut which are matched up with each other, the left nut and the right nut are respectively provided with a left opening slot and a right opening slot, the left opening slot and the right opening slot are equal in slot width, and the closed ends of the left opening slot and the right opening slot are respectively provided with a left threaded hole and a right threaded hole which are matched up with studs or bolts and are in semicircular shapes. The locknut provided by the utility model is simple in integral structure, is convenient to quickly mount and dismount, has the functions of locking and anti-loosing, and can not influence the secondary use of the locknut after the locknut is dismounted.
Description
Technical field
The utility model relates to technical field of fastening, relates in particular to a kind of locking nut for coordinating with screw rod or bolt.
Background technique
Nut is one of comparatively common fastening piece, and nuts and bolt, screw are locked, fixed by screw-thread fit.Under the effect of shock and vibration, load change, or in the situation that high temperature, temperature variation are larger, between nuts and bolt, there will be to connect looseningly, even pine moves back, and then affect machine normal operation.
In order to prevent nut loosening, need to take anti-loosening measure.Common locking measure is for adopting double nuts structure, on bolt, be screwed into locking nut and lock nut, after tightening successively, between nut, produce axial force, frictional force between two nut teeth and bolt tooth all increases, double nut makes the additional pressure that in screw pair, generation does not change with external load, always and have friction torque, can prevent that two nuts from rotating relative to bolt.
In the time adopting double nuts structure, first tighten locking nut, while tightening lock nut, need to use two spanners simultaneously, one for blocking locking nut, locking nut is relatively remained static in the process of tightening lock nut, avoid locking nut stripped thread, another is for tightening lock nut.If bolt length is larger, the distance of two nuts process in rundown process, the number of turns of rotation is many, tightens the time that need to expend many, inefficiency.
Model utility content
In order to solve the shortcoming and defect existing in above-mentioned prior art, the utility model provides a kind of simple in structure, locking nut of being convenient to complete fast installation.
In order to reach above-mentioned technical purpose, the locking nut that the utility model provides, comprise the left nut and the right nut that cooperatively interact, on described left nut, right nut, be respectively equipped with left opening slot, right opening slot that groove width equates, the closed end of described left opening slot, right opening slot is respectively equipped with the semi-circular left tapped hole, the right-hand thread hole that coordinate with screw rod or bolt.
While being fixed, left and right nut is stuck in screw rod or bolt from the both sides of screw rod or bolt respectively by left opening slot, right opening slot, make left hand thread hole, right-hand thread hole all with screw rod or bolt on threaded engagement, semicircular left and right tapped hole staggers 180 ° to combine between the higher and lower levels and forms a round thread hole, then by welding or other modes, left and right nut is fixed together.Installation process middle left and right nut, all without rotation, is convenient to quick mounting, save the installation time, and left and right nut is equivalent to respectively locking nut and lock nut, rear stability is installed good.
Preferably, between described left nut and right nut, be fixed by anchoring pins, described left nut is provided with the mounting hole one of at least one and anchoring pins adaptation respectively in the both sides of left opening slot central shaft, described right nut and mounting hole one corresponding position are provided with the mounting hole two with anchoring pins adaptation, and described anchoring pins is by being fixed together left and right nut with coordinating of mounting hole one, mounting hole two.The mode of utilizing anchoring pins to be fixed is simple, is convenient to dismounting, and after dismounting, can not affect the secondary use of locking nut.
Preferably, described left nut and right nut rotation are installed together, and described left opening slot and right opening slot are the arc of equal diameters.Left and right nut one side is rotatably installed in together, when fixing, first the tapped hole of one of them nut is stuck in to the corresponding position of bolt or nut, rotating another nut makes bolt or screw rod be stuck in opening slot and final and tapped hole interlock, then left and right nut is fixed together, is so convenient to complete more fast the fixing of locking nut.
Preferably, between described left nut and right nut, be fixed by anchoring pins, described left nut and right nut corresponding position are respectively equipped with at least one fixed hole, described fixed hole and left and right nut rotation installed position lay respectively at the both sides of left and right opening slot central shaft, and described anchoring pins is by being fixed together with making left and right nut coordinating of fixed hole.Left and right nut adopts anchoring pins to be fixed, and means of fixation is simple, and is convenient to dismantle, and the secondary that does not affect locking nut uses.
Preferably, together with described left nut is rotatably installed in by bearing pin with right nut.The mode that adopts bearing pin rotation to install is simple, is convenient to processing and installs.
Preferably, described left nut and right nut are all rectangular, and are provided with respectively a fixed hole on described left and right nut, and described left and right nut rotation installed position and fixed hole are arranged on the cornerwise two ends of left and right nut rectangle.This kind of means of fixation of locking nut is simple and can effectively ensure fixing intensity.
Preferably, the shaft axis in described left hand thread hole, right-hand thread hole overlaps with the center line of left nut, right nut respectively.After installation, screw rod or bolt are positioned at the central position of locking nut, are convenient to make locking nut uniform stressed.
Preferably, described left nut and right nut all pass through zinc-plated processing, and described left nut and right nut outer surface are evenly provided with electro-galvanized layer.Zinc-plated processing can significantly improve the corrosion-resistant property of locking nut at left and right nut surface formation zinc layer, effectively extend the anti-corrosion time limit of locking nut, extends the working life of locking nut.
Preferably, the material of described left nut and right nut is steel No. 45.No. 45 steel has good mechanical property, is convenient to carry out cutting, and has higher intensity and hardness.
The locking nut that the utility model provides, overall structure is simple, possesses locking and locking functions simultaneously, is convenient to carry out quick mounting and dismounting, and after dismounting, can not affect the secondary use of locking nut.
Brief description of the drawings
Fig. 1 is the utility model the first embodiment's structural representation;
Fig. 2 is the utility model the first embodiment's floor map;
Fig. 3 is the utility model the second embodiment's structural representation;
Fig. 4 is the structural representation of the utility model the first embodiment while installing.
In figure, the left nut of 1-, the left opening slot of 11-, 12-left hand thread hole, 13-mounting hole one, 14-fixed hole, the right nut of 2-, the right opening slot of 21-, 22-right-hand thread hole, 23-mounting hole two, 3-bearing pin, 4-anchoring pins, 5-bolt.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Referring to accompanying drawing.The locking nut that the utility model embodiment provides, comprise the left nut 1 and the right nut 2 that cooperatively interact, on left and right nut, be respectively equipped with left opening slot 11, right opening slot 21 that groove width equates, the closed end of left opening slot, right opening slot is respectively equipped with and coordinates with screw rod or bolt and left hand thread hole 12, the right-hand thread hole 22 of semicircular in shape.
In order to improve the intensity of locking nut, the shaft axis in left hand thread hole 12, right-hand thread hole 22 overlaps with the center line of left nut 1, right nut 2 respectively.
The locking nut that the utility model the first embodiment as depicted in figs. 1 and 2 provides, together with left nut 1 is rotatably installed in right nut 2, left opening slot 11 and right opening slot 21 are the arc of equal diameters.
In the first embodiment, left and right nut is all rectangular, and together with left nut 1 is rotatably installed in by bearing pin 3 with right nut 2, bearing pin is arranged on the circle centre position of the left and right opening slot of arc.
When installation, between left and right nut, be fixed by anchoring pins 4, left and right nut corresponding position is respectively equipped with at least one fixed hole 14, in the first embodiment, on left and right nut, be respectively equipped with a fixed hole, fixed hole and bearing pin lay respectively at the cornerwise two ends of left and right opening slot rectangle, and anchoring pins 4 is by being fixed together with making left and right nut coordinating of fixed hole.
In the utility model the second embodiment as shown in Figure 3, left and right nut is separate type, between left nut 1 and right nut 2, be fixed by anchoring pins 4, left nut 1 is provided with the mounting hole 1 of at least one and anchoring pins adaptation respectively in the both sides of left opening slot central shaft, right nut 2 and mounting hole one corresponding position are provided with the mounting hole 2 23 with anchoring pins adaptation, and anchoring pins 4 is by being fixed together left and right nut with coordinating of mounting hole one, mounting hole two.
When installation, left and right nut is stuck in appropriate position by left and right opening slot and coordinating of bolt 5, then knocks anchoring pins and makes anchoring pins enter in fixed hole or mounting hole 1 and corresponding mounting hole 2 23 and then complete installation.
The mode of utilizing anchoring pins to be fixed is simple, easy to operate, is also convenient to dismounting, and can not affect the secondary use of locking nut.Certainly, also can adopt other means of fixation, as the modes such as welding are fixed.
In order to improve the corrosion-resistant property on locking nut surface, extend the working life of locking nut, left nut 1 and right nut 2 all pass through zinc-plated processing, and left nut and right nut outer surface are evenly provided with electro-galvanized layer.
In two kinds of embodiments of the present utility model, the material of left nut 1 and right nut 2 is steel No. 45, and No. 45 steel has good cutting ability, is convenient to carry out cutting, and has higher intensity and hardness.
The locking nut that the utility model embodiment provides, overall structure is simple, possesses locking and locking functions simultaneously, is convenient to carry out quick mounting and dismounting, and after dismounting, can not affect the secondary use of locking nut.
In a word, the foregoing is only preferred embodiment of the present utility model, every equalization of doing according to the utility model changes and modifies, and all should belong to the protection domain that the utility model is applied for a patent.
Claims (9)
1. a locking nut, it is characterized in that, comprise the left nut (1) and the right nut (2) that cooperatively interact, on described left nut, right nut, be respectively equipped with left opening slot (11), right opening slot (21) that groove width equates, the closed end of described left opening slot, right opening slot is respectively equipped with the semi-circular left tapped hole (12), right-hand thread hole (22) that coordinate with screw rod or bolt.
2. locking nut according to claim 1, it is characterized in that, between described left nut (1) and right nut (2), be fixed by anchoring pins (4), described left nut (1) is provided with the mounting hole one (13) of at least one and anchoring pins adaptation respectively in the both sides of left opening slot central shaft, described right nut (2) and mounting hole one corresponding position are provided with the mounting hole two (23) with anchoring pins adaptation, and described anchoring pins (4) is by being fixed together left and right nut with coordinating of mounting hole one, mounting hole two.
3. locking nut according to claim 1, is characterized in that, described left nut (1) and right nut (2) are rotatably installed in together, and described left opening slot (11) and right opening slot (12) are the arc of equal diameters.
4. locking nut according to claim 3, it is characterized in that, between described left nut (1) and right nut (2), be fixed by anchoring pins (4), described left nut and right nut corresponding position are respectively equipped with at least one fixed hole (14), described fixed hole and left and right nut rotation installed position lay respectively at the both sides of left and right opening slot central shaft, and described anchoring pins is by being fixed together with making left and right nut coordinating of fixed hole.
5. locking nut according to claim 4, is characterized in that, described left nut (1) and right nut (2) are rotatably installed in together by bearing pin (3).
6. locking nut according to claim 5, it is characterized in that, described left nut (1) and right nut (2) are all rectangular, and on described left and right nut, be provided with respectively a fixed hole, described left and right nut rotation installed position and fixed hole are arranged on the cornerwise two ends of left and right nut rectangle.
7. locking nut according to claim 6, is characterized in that, the shaft axis of described left hand thread hole (12), right-hand thread hole (22) overlaps with the center line of left nut (1), right nut (2) respectively.
8. according to the locking nut described in claim 1-7 any one, it is characterized in that, described left nut (1) and right nut (2) all pass through zinc-plated processing, and described left nut (1) and right nut (2) outer surface are evenly provided with electro-galvanized layer.
9. locking nut according to claim 8, is characterized in that, the material of described left nut (1) and right nut (2) is steel No. 45.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420099736.4U CN203702814U (en) | 2014-03-06 | 2014-03-06 | Locknut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420099736.4U CN203702814U (en) | 2014-03-06 | 2014-03-06 | Locknut |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203702814U true CN203702814U (en) | 2014-07-09 |
Family
ID=51053264
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420099736.4U Expired - Fee Related CN203702814U (en) | 2014-03-06 | 2014-03-06 | Locknut |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203702814U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109681513A (en) * | 2018-12-10 | 2019-04-26 | 河南平高电气股份有限公司 | A kind of fast assembling-disassembling threaded fastener and its nut |
| CN110454485A (en) * | 2019-08-30 | 2019-11-15 | 福建福清核电有限公司 | A kind of reaction nut of fast demountable |
| CN114498522A (en) * | 2021-11-30 | 2022-05-13 | 湖南志同兴环保建材有限公司 | Reinforced concrete pre-buried bolt electric jacking pipe |
| CN115008709A (en) * | 2022-06-06 | 2022-09-06 | 嘉善子凡展示道具有限公司 | Heating structure for plastic product production equipment |
-
2014
- 2014-03-06 CN CN201420099736.4U patent/CN203702814U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109681513A (en) * | 2018-12-10 | 2019-04-26 | 河南平高电气股份有限公司 | A kind of fast assembling-disassembling threaded fastener and its nut |
| CN110454485A (en) * | 2019-08-30 | 2019-11-15 | 福建福清核电有限公司 | A kind of reaction nut of fast demountable |
| CN114498522A (en) * | 2021-11-30 | 2022-05-13 | 湖南志同兴环保建材有限公司 | Reinforced concrete pre-buried bolt electric jacking pipe |
| CN115008709A (en) * | 2022-06-06 | 2022-09-06 | 嘉善子凡展示道具有限公司 | Heating structure for plastic product production equipment |
| CN115008709B (en) * | 2022-06-06 | 2023-11-24 | 祁阳碧锦塑胶有限公司 | Heating structure for plastic product production equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140709 Termination date: 20160306 |