CN205136320U - Looseness -prevention bolt - Google Patents
Looseness -prevention bolt Download PDFInfo
- Publication number
- CN205136320U CN205136320U CN201520923959.2U CN201520923959U CN205136320U CN 205136320 U CN205136320 U CN 205136320U CN 201520923959 U CN201520923959 U CN 201520923959U CN 205136320 U CN205136320 U CN 205136320U
- Authority
- CN
- China
- Prior art keywords
- nut
- bolt
- slideproof tooth
- screw rod
- reduced
- 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 discloses a looseness -prevention bolt, including nut and screw rod, wherein: the nut is provided with anti -skidding line towards one side of screw rod, the nut is provided with the recess, be provided with the gypsum strip in the recess, the gypsum strip mainly comprises the gesso, and through the aforesaid setting, setting up of anti -skidding line can prevent that the bolt pine from taking off, adopts anti -skidding line directly with by the connecting piece to contact, has cancelled extra skid -resistant gasket's interpolation, has reduced the degree of difficulty when operating to manufacturing procedure has been reduced, the cost is reduced, the gesso generates the hardening setting expansion with silk waste credit union, and the gypsum strip exposes after the bolt installation in the air always, can slowly absorb the moisture in the air to the inflation produces the extrusion force to the nut, thus the bottom that makes the nut with by the increased pressure between the connecting piece, reinforcing fastening power, along with the growth of time, absorption moisture is more, fasten do all can strong more, thereby guaranteed the long -time effect of bolt.
Description
Technical field
The utility model relates to a kind of bolt, and more particularly, it relates to a kind of chek bolt.
Background technique
Bolt is the cylindrical threaded fastening piece of one of modal mechanical parts, adapted nut.
Application number is that the Chinese patent of CN201520241949.0 discloses a kind of retaining flange bolt, it comprises screw rod, flange nut, flange plate is also provided with unidirectional inclined-plane ratchet and stressed boss is executed to fastening piece, although this bolt fastening performance is originally good, but after a long time use, under the impact of environment, the generation of the situations such as vibration can make bolt generation loosen, thus reduces confinement effect.
Model utility content
For the deficiency that prior art exists, the purpose of this utility model is the chek bolt providing a kind of fastening effect lasting.
For achieving the above object, the utility model provides following technological scheme: a kind of chek bolt, comprise nut and screw rod, wherein: described pad is provided with anti-slip veins towards the side of screw rod, described nut is provided with groove, be provided with plaster strip in described groove, described plaster strip is formed primarily of gesso.
By adopting technique scheme, arranging of anti-slip veins can prevent bolt from getting loose, and adopts anti-slip veins directly to contact with connected piece, eliminates the extra setting adding improved mat, reduces difficulty during operation, thus decrease manufacturing procedure, reduce cost; Gesso is combined with water can generate hardening setting expansion, plaster strip exposes in atmosphere after bolt installation always, slowly can absorb the moisture in air, thus expand, produce extruding force to nut, expansion can make nut sheet produce bending trend, thus make the pressure increase of anti-slip veins and connected piece, contact is more tight, strengthens fastening force, and increases the frictional force at screw thread place; Along with the growth of time, absorb moisture more, fastening force is stronger, thus ensure that the long duration of action effect of bolt; If desired stronger in short time fastening force, can add water toward plaster strip, make its dilatancy hardening thus reach stronger fastening force after bolt installation.
The utility model is set to further: described anti-slip veins is set to some slideproof tooth of annular array, and described slideproof tooth one side is vertical with nut, and the another side of described slideproof tooth is set to inclined-plane, the inclined-plane of slideproof tooth and connected piece friction during described bolt tightening.
By adopting technique scheme, when tightening, the surface friction of inclined-plane and connected piece, rubbing surface is inclined-plane and planar friction, friction factor is little, but on the direction that tightening direction is contrary, the surface of the vertical conflict connected piece of slideproof tooth, rubbing surface is plane and planar friction, friction factor is large, is difficult to rotate, thus simplifies bolt installation, and the rear bolt of installation gets loose, on direction, frictional force is large, has good fastening effect; If the power connected is comparatively large, slideproof tooth is absorbed in a connected piece part, thus the slideproof tooth face vertical with nut and connected piece are conflicted, and have better fastening effect.
The utility model is set to further: the side of described slideproof tooth all points to the axle center of bolt.
By adopting technique scheme, the edge of slideproof tooth is all towards the axle of bolt, when bolt tightening and getting loose rotates, to the uniform force of slideproof tooth, ensure that the good realization of slideproof tooth function, and uniform force it also avoid the damage of slideproof tooth, thus ensure that intensity and the working life of bolt.
The utility model is set to further: described nut is also coated with non-skid coating.
The utility model is set to further: described non-skid coating is the antirust non-skid coating of inorganic zinc-rich.
By adopting technique scheme, the setting of non-skid coating enhances when bolt connects and the friction factor of connected piece, thus getting loose of bolt is more difficult, thus ensure that the fastening force of bolt.
Accompanying drawing explanation
Fig. 1 is the structural representation of the nut side of the utility model embodiment;
Fig. 2 is the structural representation of the screw rod side of the utility model embodiment;
Fig. 3 is the enlarged view at B place in Fig. 2;
Fig. 4 is the plan view of the utility model embodiment;
Fig. 5 is A-A sectional view in Fig. 4.
Accompanying drawing illustrates: 1. nut; 11. anti-slip veins; 111. slideproof tooth; 12. grooves; 2. screw rod; 3. plaster strip.
Embodiment
Referring to figs. 1 through Fig. 5, the utility model embodiment is explained.
A kind of chek bolt, comprises nut 1 and screw rod 2, wherein: nut 1 is provided with anti-slip veins 11 towards the side of screw rod 2, and nut 1 is provided with groove 12, is provided with plaster strip 3 in groove 12, and plaster strip 3 is formed primarily of gesso; Anti-slip veins 11 is set to some slideproof tooth 111 of annular array, and slideproof tooth 111 one side is vertical with nut, and the another side of slideproof tooth 111 is set to inclined-plane, the inclined-plane of slideproof tooth 111 and connected piece friction during bolt tightening; The side of slideproof tooth 111 all points to the axle center of bolt; Nut 1 is also coated with the antirust non-skid coating of inorganic zinc-rich.
Principle of the present utility model is: arranging of anti-slip veins 11 can prevent bolt from getting loose, adopt anti-slip veins 11 directly to contact with connected piece, eliminate the extra setting adding improved mat, reduce difficulty during operation, thus decrease manufacturing procedure, reduce cost; Gesso is combined with water can generate hardening setting expansion, plaster strip 3 exposes in atmosphere after bolt installation always, slowly can absorb the moisture in air, thus expand, extruding force is produced to nut 1, thus make the pressure increase between the bottom of nut 1 and connected piece, strengthen fastening force, expansion can make nut 1 produce bending trend, thus makes the pressure increase of anti-slip veins 11 and connected piece, contact is more tight, and increases the frictional force at screw thread place; Along with the growth of time, absorb moisture more, fastening force is stronger, thus ensure that the long duration of action effect of bolt; If desired stronger in short time fastening force, can add water toward plaster strip 3, make its dilatancy hardening thus reach stronger fastening force after bolt installation; When tightening, the surface friction of inclined-plane and connected piece, rubbing surface is inclined-plane and planar friction, and friction factor is little, but on the direction that tightening direction is contrary, the surface of the vertical conflict connected piece of slideproof tooth 111, rubbing surface is plane and planar friction, and friction factor is large, be difficult to rotate, thus simplify bolt installation, and the rear bolt of installation gets loose, on direction, frictional force is large, has good fastening effect; If the power connected is comparatively large, slideproof tooth 111 is absorbed in a connected piece part, thus slideproof tooth 111 face vertical with nut and connected piece are conflicted, and have better fastening effect; The edge of slideproof tooth 111 is all towards the axle of bolt, when bolt tightening and getting loose rotates, to the uniform force of slideproof tooth 111, ensure that the good realization of slideproof tooth 111 function, and uniform force it also avoid the damage of slideproof tooth 111, thus ensure that intensity and the working life of bolt; The setting of non-skid coating enhances when bolt connects and the friction factor of connected piece, thus getting loose of bolt is more difficult, thus ensure that the fastening force of bolt.
The above is only preferred implementation of the present utility model, protection domain of the present utility model be not only confined to above-described embodiment, and all technological schemes belonged under the utility model thinking all belong to protection domain of the present utility model.It should be pointed out that for those skilled in the art, do not departing from the some improvements and modifications under the utility model principle prerequisite, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (5)
1. a chek bolt, comprises nut and screw rod, it is characterized in that: described nut is provided with anti-slip veins towards the side of screw rod, and described nut is provided with groove, is provided with plaster strip in described groove, and described plaster strip is formed primarily of gesso.
2. a kind of chek bolt according to claim 1, it is characterized in that described anti-slip veins is set to some slideproof tooth of annular array, described slideproof tooth one side is vertical with nut, and the another side of described slideproof tooth is set to inclined-plane, the inclined-plane of slideproof tooth and connected piece friction during described bolt tightening.
3. a kind of chek bolt according to claim 1, is characterized in that: the side of described slideproof tooth all points to the axle center of bolt.
4. a kind of chek bolt according to claim 1, is characterized in that: described nut is also coated with non-skid coating.
5. a kind of chek bolt according to claim 1, is characterized in that: described non-skid coating is the antirust non-skid coating of inorganic zinc-rich.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520923959.2U CN205136320U (en) | 2015-11-18 | 2015-11-18 | Looseness -prevention bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520923959.2U CN205136320U (en) | 2015-11-18 | 2015-11-18 | Looseness -prevention bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205136320U true CN205136320U (en) | 2016-04-06 |
Family
ID=55622118
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520923959.2U Expired - Fee Related CN205136320U (en) | 2015-11-18 | 2015-11-18 | Looseness -prevention bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205136320U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107630897A (en) * | 2016-07-18 | 2018-01-26 | 天津市天龙得冷成型部件有限公司 | Locking straight burr screw |
-
2015
- 2015-11-18 CN CN201520923959.2U patent/CN205136320U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107630897A (en) * | 2016-07-18 | 2018-01-26 | 天津市天龙得冷成型部件有限公司 | Locking straight burr screw |
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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: 20160406 Termination date: 20191118 |