CN203532471U - Locking nut - Google Patents
Locking nut Download PDFInfo
- Publication number
- CN203532471U CN203532471U CN201320594875.XU CN201320594875U CN203532471U CN 203532471 U CN203532471 U CN 203532471U CN 201320594875 U CN201320594875 U CN 201320594875U CN 203532471 U CN203532471 U CN 203532471U
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- CN
- China
- Prior art keywords
- locking
- screw
- hole
- nut body
- nut
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- 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 - Lifetime
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Abstract
The utility model discloses a locking nut which comprises a nut body. The nut body is provided with a threaded hole, screw holes are formed in the upper surface, on the periphery of the threaded hole, of the nut body in the axial direction, screws matched with the threads of the screw holes are arranged in a matched mode, locking holes penetrating through the side wall of the nut body are formed in the side wall of the nut body in the radial direction, the locking holes are communicated with the screw holes, and the screws stretch into the locking holes. Locking blocks are assembled in the locking holes in a sliding mode, external threads with the screw pith equal to that of the threaded hole are arranged at the ends, close to the threaded hole, of the locking blocks, conical surfaces are arranged at the other ends of the locking blocks, and the conical surfaces are attached to the screws. According to the locking nut, the locking blocks can press the external threads of a locked piece, and looseness is prevented.
Description
Technical field
The utility model relates to the technical field of nut, is specifically related to a kind of locking nut.
Background technique
General nut is inserted in by after latch fitting outside thread, can form screw-thread fit with this outside thread and lock.But, because screw thread manufacturing tolerance has certain influence to the precision of assembling, the situation of having relatively high expectations for locking property, general nut and be difficult to avoid to occur loosening situation by the externally threaded cooperation of latch fitting.Also have at present some for the locking nut that strengthens locking property, still, this type of locking nut common configuration is complicated, and the defect that exists locking mechanism to be easily stuck.
Model utility content
In order to overcome the deficiencies in the prior art, the purpose of this utility model is to provide a kind of locking nut, can make locking block compress by latch fitting outside thread, prevents from becoming flexible.
The purpose of this utility model adopts following technological scheme to realize:
A kind of locking nut, comprise nut body, nut body has tapped hole, the nut body upper surface of described tapped hole periphery is provided with screw hole vertically, and is furnished with the screw with screw hole screw-thread fit, the sidewall of described nut body is radially provided with the locking hole that runs through this sidewall, and this locking hole passes through mutually with screw hole, and described screw stretches in locking hole; In described locking hole, slidable fit has locking block, and locking block is provided with the outside thread identical with the pitch of tapped hole near one end of tapped hole, and the other end of locking block is provided with the conical surface, and this conical surface and screw are affixed.
Preferably, for adaptation is by the screw thread of latch fitting, prevent stuckly, the externally threaded pitch of described locking block is identical with the pitch of tapped hole.
Preferably, for ease of inserting driving hole with spanner, pull nut body, the nut body upper surface of described tapped hole periphery is also provided with driving hole vertically.
Preferably, for strengthening the structural symmetry of nut body, described driving hole is a plurality of, symmetrical with the axis of nut body at the upper surface of nut body.
Preferably, for strengthening the structural symmetry of nut body, described screw hole is a plurality of, symmetrical with the axis of nut body at the upper surface of nut body, and in each screw hole, all Screw assembly has described screw.
Preferably, stuck under the thrust of screw for preventing locking block, the angle of the bus of the described conical surface and screw hole axis is acute angle.
Preferably, stuck under the thrust of screw for further preventing locking block, the angle of the bus of the described conical surface and screw hole axis is 25 ° ~ 35 °.
Preferably, for making the screw can smooth and easy promotion locking block, the tapering of the nail tip of described screw equates with described angle.
Compared to existing technology, the beneficial effects of the utility model are:
Nut body of the present utility model is after locking by tapped hole and by latch fitting screw-thread fit, also can rotate again adjusting screw, screw is pressed down, under the power transferance of the conical surface, promotion locking block moves to the direction of tapped hole, the outside thread of locking block can snap in by latch fitting outside thread, prevents from becoming flexible; By regulating symmetrical screw, evenly the coupling mechanism force of adjusting nut, eliminates screw thread machining error to connecting the harmful effect of precision, makes accurately to be located by latch fitting; In addition, because the bus of the conical surface and the angle of screw hole axis are acute angle setting, can prevent largely that locking block from cannot be slided by screw dieback.
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is the plan view of the utility model locking nut;
Fig. 2 is the A-A revolved sectional view of Fig. 1.
1, nut body; 2, tapped hole; 3, screw hole; 4, screw; 5, locking hole; 6, locking block; 61, outside thread; 62, the conical surface; 7, driving hole.
Embodiment
A kind of locking nut as shown in Figure 1 and 2, comprises nut body 1, and nut body 1 has tapped hole 2, and nut body 1 upper surface of tapped hole 2 peripheries is provided with screw hole 3 vertically, and is furnished with the screw 4 with screw hole 3 screw-thread fit.
As shown in Figure 1, the sidewall of nut body 1 is radially provided with the locking hole 5 that runs through this sidewall, and this locking hole 5 passes through mutually with screw hole 3.The locking hole 5 of the present embodiment passes through mutually with screw hole 3 quadratures.Screw 4 lock onto in screw hole 3, and stretches in locking hole 5; The interior slidable fit of locking hole 5 has locking block 6, and locking block 6 is provided with the outside thread 61 identical with the pitch of tapped hole 2 near one end of tapped hole 2, and the other end of locking block 6 is provided with the conical surface 62, and bus 62 and the screw 4 of this conical surface are affixed.Under the downward locking thrust of screw 4, the transfer of 62 pairs of these thrusts of the conical surface and promote locking block 6 and move to tapped hole 2 directions of nut body 1.The pitch of the outside thread 61 of the locking block 6 of the present embodiment is identical with the pitch of the internal thread of tapped hole 2.
As shown in Figure 1 and 2, as a preferred embodiment of the present utility model, nut body 1 upper surface of tapped hole 2 peripheries is also provided with driving hole 7 vertically, pulls nut body 1 rotation lock by latch fitting with spanner insertion driving hole 7.Driving hole 7 is four, increases symmetry properties, the stability of structure, and driving hole 7 is symmetrical with the axis of nut body 1 at the upper surface of nut body 1.Screw hole 3 is three, can increase symmetry properties, the stability of structure, and screw hole 3 is symmetrical with the axis of nut body 1 at the upper surface of nut body 1, and in each screw hole 3, all Screw assembly has screw 4.The quantity of driving hole 7 and screw hole 3 all can be according to structural symmetry, structure stability need to be set to more than one any amount.
As shown in Figure 1, as another preferred embodiment of the present utility model, the conical surface 62 is acute angle with the angle of screw hole 3 axis, and particularly, the conical surface 62 of the present embodiment is 30 ° with the angle of screw hole 3 axis, also can in the scope of 25 ° ~ 35 °, select.The tapering of the nail tip of screw 4 equates with this angle, makes the nail tip of screw 4 conical surface of can fitting completely, can prevent stuck.
This locking nut can be applicable to lock main shaft.During use, nut body 1 is enclosed within by latch fitting, with spanner, insert driving hole 7 rotations, after being rotated in place, use the locking torque fastening nut body 1 of torque spanner to set, then, tighten screw 4, make 4 pairs of conical surfaces of screw 62 form downward thrust, impel locking block 6 to compress by latch fitting outside thread, again the screw 4 of each screw hole 3 is rotated to adjusting, so that the impacting force of the part that is locked is obtained to adjusting symmetrically and evenly.
Above-mentioned mode of execution is only preferred implementation of the present utility model; can not limit with this scope of the utility model protection, the variation of any unsubstantiality that those skilled in the art does on basis of the present utility model and replacement all belong to the utility model scope required for protection.
Claims (8)
1. a locking nut, comprise nut body, nut body has tapped hole, it is characterized in that: the nut body upper surface of described tapped hole periphery is provided with screw hole vertically, and is furnished with the screw with screw hole screw-thread fit, the sidewall of described nut body is radially provided with the locking hole that runs through this sidewall, and this locking hole passes through mutually with screw hole, and described screw stretches in locking hole; In described locking hole, slidable fit has locking block, and locking block is provided with outside thread near one end of tapped hole, and the other end of locking block is provided with the conical surface, and this conical surface and screw are affixed.
2. locking nut according to claim 1, is characterized in that: the externally threaded pitch of described locking block is identical with the pitch of the internal thread of tapped hole.
3. locking nut according to claim 1, is characterized in that: the nut body upper surface of described tapped hole periphery is also provided with driving hole vertically.
4. locking nut according to claim 3, is characterized in that: described driving hole is a plurality of, symmetrical with the axis of nut body at the upper surface of nut body.
5. according to the locking nut described in claim 1-4 any one, it is characterized in that: described screw hole is a plurality of, symmetrical with the axis of nut body at the upper surface of nut body, in each screw hole, all Screw assembly has described screw.
6. according to the locking nut described in claim 1-4 any one, it is characterized in that: the angle of the bus of the described conical surface and screw hole axis is acute angle.
7. locking nut according to claim 6, is characterized in that: the angle of the bus of the described conical surface and screw hole axis is 25 ° ~ 35 °.
8. locking nut according to claim 6, is characterized in that: the tapering of the nail tip of described screw equates with described angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320594875.XU CN203532471U (en) | 2013-09-25 | 2013-09-25 | Locking nut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320594875.XU CN203532471U (en) | 2013-09-25 | 2013-09-25 | Locking nut |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203532471U true CN203532471U (en) | 2014-04-09 |
Family
ID=50418684
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320594875.XU Expired - Lifetime CN203532471U (en) | 2013-09-25 | 2013-09-25 | Locking nut |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203532471U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104373448A (en) * | 2014-10-27 | 2015-02-25 | 苏州市吴中区光福金凤五金厂 | Nut capable of removing dust |
| CN109306996A (en) * | 2017-07-26 | 2019-02-05 | 杨洁薇 | Braking and locking nut |
| CN109973500A (en) * | 2019-03-12 | 2019-07-05 | 浙江恒星传动科技有限公司 | A kind of stop nut and its application method |
| CN110285129A (en) * | 2019-07-10 | 2019-09-27 | 海盐建盛五金制品有限公司 | A kind of anti-slip high-intensitive hex nut |
-
2013
- 2013-09-25 CN CN201320594875.XU patent/CN203532471U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104373448A (en) * | 2014-10-27 | 2015-02-25 | 苏州市吴中区光福金凤五金厂 | Nut capable of removing dust |
| CN109306996A (en) * | 2017-07-26 | 2019-02-05 | 杨洁薇 | Braking and locking nut |
| CN109973500A (en) * | 2019-03-12 | 2019-07-05 | 浙江恒星传动科技有限公司 | A kind of stop nut and its application method |
| CN110285129A (en) * | 2019-07-10 | 2019-09-27 | 海盐建盛五金制品有限公司 | A kind of anti-slip high-intensitive hex nut |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140409 |