CN205533704U - Check bolt structure - Google Patents
Check bolt structure Download PDFInfo
- Publication number
- CN205533704U CN205533704U CN201620016758.9U CN201620016758U CN205533704U CN 205533704 U CN205533704 U CN 205533704U CN 201620016758 U CN201620016758 U CN 201620016758U CN 205533704 U CN205533704 U CN 205533704U
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- flower tooth
- nut
- tooth
- pad
- screw rod
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Abstract
The utility model discloses a check bolt structure, including the bolt head, the screw rod of being connected with the bolt head, the nut, can establish the first gasket on the screw rod by the cover, the second gasket, the screw rod surface is equipped with the external screw thread, the nut has the internal thread with the external screw thread interlock, the screw rod passes first gasket in proper order, the second gasket, the nut, and the outer end at the screw rod is established soon to the nut, be equipped with first colored tooth under the bolt head on the terminal surface, nut both ends face is equipped with second flower tooth, end face contaction's a terminal surface is equipped with and spends the tooth with first colored gear mesh's third under first gasket and the bolt head, the second gasket is equipped with the fourth flower tooth of spending gear mesh with the second with nut end face contaction's one side, another terminal surface of first gasket is equipped with the 5th flower tooth, another terminal surface of second gasket is equipped with the 6th flower tooth. Compared with the prior art, the utility model discloses the check bolt structure simple structure who adopts, anti -loosening performance is high, makes simply, with low costs.
Description
Technical field
This utility model relates to connecting technical field of fastening, particularly to a kind of check bolt structure.
Background technology
The power resources of high ferro motor-car are by electric power system, are passed to the dynamical system of motor-car by metal contact net.Due to the motor-car of more than 350KM/H speed, the stability requirement to metal contact net is the highest.High-speed cruising at motor-car causes the vibration of metal contact net very acutely, and therefore, the requirement to the anti-loosening property of the thread connection component of metal contact net is greatly increased compared with 200km/H.Current is the additional lock washer of regular screw threads technology in metal contact net wide variety of locking thread technology, this technology belongs to conventional loosing Prevention Technology, and according to current existing detection technique, cannot determine that can this locking mode adapt to the motor-car speed of more than 350km/h, for the sake of assurance, it is badly in need of existing threaded securing member is improved.
Utility model content
This utility model provides a kind of check bolt structure, it is therefore intended that solve problems of the prior art, to provide the bolt arrangement that a kind of fastening performance is strong.
nullThis utility model provides a kind of check bolt structure，Including bolt head、The screw rod being connected with described bolt head、Nut、The first pad being set on described screw rod、Second pad，Described screw surface is provided with external screw thread,Described nut has the female thread being engaged with described external screw thread，Described screw rod sequentially passes through described first pad、Second pad、Nut，And the rotation of described nut is located at the outer end of described screw rod，Described bolt head lower surface is provided with the first flower tooth，Described nut both ends of the surface are provided with the second flower tooth，The end face that described first pad contacts with described bolt head lower surface is provided with the 3rd flower tooth being meshed with described first flower tooth，The one side that described second pad contacts with described nut end face is provided with the 4th flower tooth being meshed with described second flower tooth，The other end of described first pad is provided with the 5th flower tooth，The other end of described second pad is provided with the 6th flower tooth.
In technique scheme, due on the lower surface of described bolt head and the first pad of fitting therewith, the end face of nut and be equipped with intermeshing colored toothing on the second pad of nut laminating, make when by this bolt combination fastening structure on workpiece, flower between cog engages each other, increase mutual frictional force, be effectively prevented pad, with bolt head lower surface, surface of the work, nut end face, mutual sliding occur.
Further, described first flower tooth with the central axis of described bolt head axisymmetricly, its structure is made up of little inclined-plane, and its incline direction is identical or contrary with described externally threaded direction of rotation；Described second flower tooth with the central axis of described nut axisymmetricly, its structure is made up of little inclined-plane, and its incline direction is identical or contrary with described externally threaded direction of rotation.
Use above-mentioned further technical scheme, the incline direction of flower tooth is arranged identical with externally threaded direction of rotation or contrary, when so rotating fastening nut or bolt head, convenient by flower tooth engagement, and lock the engagement of colored tooth.
Further, described first flower tooth, described second flower tooth the number of teeth identical, and inclination angle of inclined plane is respectively less than 2 degree.
Further, the inclination angle of inclined plane of described first flower tooth is 1 degree, and the inclination angle of inclined plane of described second flower tooth is 0.5 degree.
Further, described 5th flower tooth, the 6th flower tooth the number of teeth identical, be all higher than the number of teeth of described 3rd flower tooth, and be even number.
Further, described 5th flower tooth, the number of teeth of the 6th flower tooth are 2-3 times of the number of teeth quantity of described 3rd flower tooth, and its structure is constituted by little inclined-plane, and its inclination angle of inclined plane is less than 2 degree.
Further, the female thread internal screw thread of described nut, the cusp of described external screw thread external screw teeth are that 30 degree of wedge shapes are constituted, and both are meshed coupling.
In above-mentioned technical scheme, owing to the female thread of external screw thread Yu nut is wedge thread, this coupling structure makes original line style thread contact become banding pattern thread contact, can be effectively improved thread friction power, thus improve locking thread performance.
Compared with prior art, the check bolt architecture that this utility model is used is simple, anti-loosening property is high, it is simple to manufacture, low cost, by the surface of each parts carries out differential hardening process, improves surface strength, it is effectively prevented the stress produced due to material capability difference to concentrate, causes fastening to be lost efficacy.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of this utility model a kind of check bolt structure；
Fig. 2 is the structural representation of the body of bolt in this utility model；
Fig. 3 is A close-up schematic view in Fig. 2；
Fig. 4 is the structural representation of nut in this utility model；
Fig. 5 is B close-up schematic view in Fig. 4；
Fig. 6 is the structural representation of the first pad in this utility model；
Fig. 7 is the structural representation of the second pad in this utility model；
Fig. 8 is nut and screw rod engaging structure schematic diagram in this utility model；
In figure, 1-bolt head, 11-screw rod, 111-external screw thread, 12-the first flower tooth, 2-nut, 21-female thread, 22-the second flower tooth, 3-the first pad, 31-the 3rd flower tooth, 32-the 5th flower tooth, 4-the second pad, 41-the 4th flower tooth, 42-the 6th flower tooth.
Detailed description of the invention
Below in conjunction with Figure of description, this utility model embodiment is described in further detail.
This utility model provides a kind of check bolt structure, such as Fig. 1, Fig. 2, shown in Fig. 3, including bolt head 1, the screw rod 11 being connected with bolt head 1, nut 2, the first pad 3 being set on screw rod 11, second pad 4, screw rod 11 surface is provided with external screw thread 111, nut 2 has the female thread 21 being engaged with external screw thread 111, screw rod 11 sequentially passes through the first pad 3, second pad 4, nut 2, and nut 2 rotation is located at the outer end of screw rod 11, in the present embodiment, preferably, the internal screw thread of the female thread 21 of nut 2 is respectively provided with in 30 degree of wedge structures with the cusp of the external screw teeth of external screw thread 111, both are meshed coupling；
The lower surface of bolt head 1 is provided with the first flower tooth 12, first flower tooth 12 is arranged axisymmetricly with the central axis of bolt head 1, first flower tooth 12 is structurally made up of little inclined-plane, its incline direction is identical or contrary with the direction of rotation of external screw thread 111, inclination angle of inclined plane is respectively less than 2 degree, in the present embodiment, preferably, by identical in the direction of rotation of external screw thread 111 for the incline direction of the first flower tooth 12, inclination angle of inclined plane is preferably 1 degree；
The both ends of the surface of nut 2 are provided with the second flower tooth 22, second flower tooth 22 is arranged axisymmetricly with the central axis of nut 2, second flower tooth 22 is structurally made up of little inclined-plane, its incline direction is identical or contrary with the direction of rotation of external screw thread 111, inclination angle of inclined plane is respectively less than 2 degree, in the present embodiment, preferably, by identical in the direction of rotation of external screw thread 111 for the incline direction of the second flower tooth 22, inclination angle of inclined plane is preferably 0.5 degree；Preferably, the first flower tooth 12 and the second flower tooth 22 are set to identical structure, i.e. there is the identical number of teeth, and flower tooth incline direction is identical；
The end face that first pad 3 contacts with the lower surface of bolt head 1 is provided with the 3rd flower tooth 31 being meshed with the first flower tooth 12, the other end of the first pad 3 is provided with the 5th flower tooth 32, 3rd flower tooth 31, 5th flower tooth 32 is structurally made up of little inclined-plane, its incline direction is identical or contrary with the direction of rotation of external screw thread 111, inclination angle of inclined plane is respectively less than 2 degree, in the present embodiment, preferably, by the 3rd flower tooth 31, the incline direction of the 5th flower tooth 32 is identical in the direction of rotation of external screw thread 111, inclination angle of inclined plane is preferably 0.5 degree, wherein, the number of teeth of the 5th flower tooth is 2-3 times of the 3rd flower tooth 31 number of teeth quantity；
Second pad 4 is provided with the 4th flower tooth 41 being meshed with the second flower tooth 22 with the one side of nut 2 end contact, the other end of the second pad 4 is provided with the 6th flower tooth 42, 4th flower tooth 41, 6th flower tooth 42 is structurally made up of little inclined-plane, its incline direction is identical or contrary with the direction of rotation of external screw thread 111, inclination angle of inclined plane is respectively less than 2 degree, in the present embodiment, preferably, by the 4th flower tooth 41, the incline direction of the 6th flower tooth 42 is identical in the direction of rotation of external screw thread 111, inclination angle of inclined plane is preferably 0.5 degree, wherein, the number of teeth of the 6th flower tooth is 2-3 times of the 4th flower tooth 41 number of teeth quantity, in the present embodiment, preferably the first pad 3 and the second pad 4 are set to identical structure.
Obviously, those skilled in the art can carry out various change and modification without deviating from spirit and scope of the present utility model to this utility model.So, if these amendments of the present utility model and modification belong within the scope of this utility model claim and equivalent technologies thereof, then this utility model is also intended to comprise these change and modification.
Claims (7)
- null1. a check bolt structure，It is characterized in that，Including bolt head (1)、The screw rod (11) being connected with described bolt head (1)、Nut (2)、The first pad (3) being set on described screw rod、Second pad (4)，Described screw rod (11) surface is provided with external screw thread (111),Described nut (2) has the female thread (21) being engaged with described external screw thread (111)，Described screw rod (11) sequentially passes through described first pad (3)、Second pad (4)、Nut (2)，And the rotation of described nut (2) is located at the outer end of described screw rod (11)，Described bolt head (1) lower surface is provided with the first flower tooth (12)，Described nut (2) both ends of the surface are provided with the second flower tooth (22)，The end face that described first pad (3) contacts with described bolt head (1) lower surface is provided with the 3rd flower tooth (31) being meshed with described first flower tooth (12)，Described second pad (4) is provided with the 4th flower tooth (41) being meshed with described second flower tooth (22) with the one side of described nut (2) end contact，The other end of described first pad (3) is provided with the 5th flower tooth (32)，The other end of described second pad (4) is provided with the 6th flower tooth (42).
- Check bolt structure the most according to claim 1, it is characterized in that, described first flower tooth (12) is with the central axis of described bolt head (1) axisymmetricly, being made up of little inclined-plane in its structure, its incline direction is identical or contrary with the direction of rotation of described external screw thread (111)；Described second flower tooth (22) with the central axis of described nut (2) axisymmetricly, its structure is made up of little inclined-plane, and its incline direction is identical or contrary with the direction of rotation of described external screw thread (111).
- Check bolt structure the most according to claim 2, it is characterised in that described first flower tooth (12), described second flower tooth (22) the number of teeth identical, and inclination angle of inclined plane is respectively less than 2 degree.
- Check bolt structure the most according to claim 3, it is characterised in that the inclination angle of inclined plane of described first flower tooth (12) is 1 degree, the inclination angle of inclined plane of described second flower tooth (22) is 0.5 degree.
- 5. according to the check bolt structure according to any one of claim 1-4, it is characterized in that, described 5th flower tooth (32), the 6th flower tooth (42) the number of teeth identical, be all higher than the number of teeth of described 3rd flower tooth (31), and be even number.
- Check bolt structure the most according to claim 5, it is characterized in that, described 5th flower tooth (32), the number of teeth of the 6th flower tooth (42) are 2-3 times of the number of teeth quantity of described 3rd flower tooth (31), being constituted by little inclined-plane in its structure, its inclination angle of inclined plane is less than 2 degree.
- Check bolt structure the most according to claim 1, it is characterised in that female thread (21) internal screw thread of described nut (2), the cusp of described external screw thread (111) external screw teeth are that 30 degree of wedge shapes are constituted, both are meshed coupling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620016758.9U CN205533704U (en) | 2016-01-08 | 2016-01-08 | Check bolt structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620016758.9U CN205533704U (en) | 2016-01-08 | 2016-01-08 | Check bolt structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205533704U true CN205533704U (en) | 2016-08-31 |
Family
ID=56764473
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620016758.9U Active CN205533704U (en) | 2016-01-08 | 2016-01-08 | Check bolt structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205533704U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108825626A (en) * | 2018-08-23 | 2018-11-16 | 广州番禺电缆集团有限公司 | A kind of subassembly of lock bolt |
| CN108825621A (en) * | 2018-08-23 | 2018-11-16 | 广州番禺电缆集团有限公司 | A kind of perseverance torque bolt |
| CN109193511A (en) * | 2018-09-29 | 2019-01-11 | 广州番禺电缆集团有限公司 | A kind of multicore cable deconcentrator |
| CN109412078A (en) * | 2018-11-30 | 2019-03-01 | 广州勇艺邦电子科技有限公司 | A kind of locking permanent torque thread clamping mechanism |
-
2016
- 2016-01-08 CN CN201620016758.9U patent/CN205533704U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108825626A (en) * | 2018-08-23 | 2018-11-16 | 广州番禺电缆集团有限公司 | A kind of subassembly of lock bolt |
| CN108825621A (en) * | 2018-08-23 | 2018-11-16 | 广州番禺电缆集团有限公司 | A kind of perseverance torque bolt |
| CN109193511A (en) * | 2018-09-29 | 2019-01-11 | 广州番禺电缆集团有限公司 | A kind of multicore cable deconcentrator |
| CN109412078A (en) * | 2018-11-30 | 2019-03-01 | 广州勇艺邦电子科技有限公司 | A kind of locking permanent torque thread clamping mechanism |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |