CN211573992U - Fastening bolt - Google Patents
Fastening bolt Download PDFInfo
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- CN211573992U CN211573992U CN202020132468.7U CN202020132468U CN211573992U CN 211573992 U CN211573992 U CN 211573992U CN 202020132468 U CN202020132468 U CN 202020132468U CN 211573992 U CN211573992 U CN 211573992U
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- spring
- nut
- connecting plate
- backup pad
- screw rod
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Abstract
The utility model relates to a fastening bolt belongs to the technical field of fastener, and it includes the nut, and the bottom of nut has set firmly the backup pad, has set firmly the screw rod under the backup pad, and the cover is equipped with the spring on the screw rod, and when the screw rod inserted in the through-hole of part, screw rod and nut cooperation fastening part, the spring was arranged in between backup pad and the part, and the spring is in the contraction state, and the spring all has outside ejecting effort to nut and nut, and then increases the frictional force between bolt, nut and the part, the utility model discloses have the effect that prevents the bolt not hard up.
Description
Technical Field
The utility model belongs to the technical field of the technique of fastener and specifically relates to a fastening bolt is related to.
Background
The bolt is a mechanical part, a cylindrical threaded fastener matched with a nut. A fastener consisting of a nut and a screw (a cylinder with external threads) needs to be matched with the nut and is used for fastening and connecting two parts with through holes.
The existing flange bolt with the publication number of CN205173171U is provided with a phosphate coating on the surface; the flange of the flange bolt is a perfect circle, and the outer diameter of the flange bolt is 35.5-36.5 mm.
The above prior art solutions have the following drawbacks: although the flange bolt can be matched with the nut to fasten two parts with the through holes, when the flange bolt is used in vibrating equipment, a gap is generated between the bolt and the equipment due to the vibration of the equipment, and then the phenomenon of loosening and dropping is generated, so that the working reliability of the equipment is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a fastening bolt, it has the not hard up effect of bolt that prevents to exist to prior art.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:
the utility model provides a fastening bolt, includes the nut, the bottom of nut has set firmly the backup pad, and the one end that the nut was kept away from to the backup pad has set firmly the screw rod, and the cover is equipped with the spring on the screw rod, and the one end and the backup pad of spring are contradicted, and the one end that the backup pad was kept away from to the spring is equipped with the connecting plate of contradicting with the spring, and the connecting plate cover.
Through adopting above-mentioned technical scheme, the operator inserts the screw rod in the through-hole of two parts, the bottom of screw rod stretches out the through-hole and cooperates with the nut, fasten two parts, the spring is arranged in between backup pad and the connecting plate and is in the shrink state, the spring all has outside ejection force to connecting plate and backup pad, further also have outside ejection force to screw bolt and nut, and then the increase bolt, the frictional force between nut and the part, when equipment vibrates, the spring is to the bolt, the nut all has ejection force to the part direction, and then prevent the bolt, the nut rotates, prevent and produce the clearance between the part, so have the effect that prevents the bolt not hard up.
The present invention may be further configured in a preferred embodiment as: and one end of the support plate, which is far away from the screw cap, is fixedly provided with a limiting ring, and the screw rod is arranged in the limiting ring.
Through adopting above-mentioned technical scheme, the spacing ring is the metal material and has certain height, works as bolt and nut cooperation, and through the rotation locking of nut and bolt, the connecting plate drives the spring and removes to the backup pad direction, and the spacing ring of contradicting until the connecting plate, the spacing ring plays the effect of spacing connecting plate and protection spring.
The present invention may be further configured in a preferred embodiment as: the bottom of spacing ring is seted up annular spout, and the top of connecting plate sets firmly the guide ring.
Through adopting above-mentioned technical scheme, the shape size of guide ring is corresponding with the shape size of spout, and the guide ring is arranged in the spout and with spout sliding connection, guide ring and spout play the effect of direction of motion of direction connecting plate.
The present invention may be further configured in a preferred embodiment as: two sides of one end, close to the connecting plate, of the sliding groove are respectively provided with an annular chamfer I.
By adopting the technical scheme, the chamfers have the effect of facilitating the insertion of the guide ring into the sliding groove.
The present invention may be further configured in a preferred embodiment as: two sides of one end, close to the supporting plate, of the guide ring are respectively provided with a second annular chamfer.
By adopting the technical scheme, the second chamfer plays a role in further facilitating the insertion of the guide ring into the sliding groove.
The present invention may be further configured in a preferred embodiment as: and a gasket is arranged at one end of the connecting plate, which is far away from the spring, and the gasket is sleeved on the screw rod.
Through adopting above-mentioned technical scheme, the gasket is the metal material, and the gasket is arranged in between part and the connecting plate, and the gasket has increased the area of contact on bolt and part surface, can prevent that the surface of part from being worn out, plays the effect of protection part.
The present invention may be further configured in a preferred embodiment as: one end of the support plate, which is close to the spring, is provided with a first limit groove, and the end part of the spring, which is close to the support plate, is arranged in the first limit groove.
Through adopting above-mentioned technical scheme, the shape size of spacing groove one corresponds with the shape size that the spring is close to the backup pad tip, and spacing groove one prevents that the tip of spring from sliding in the backup pad, plays the effect of spacing spring tip.
The present invention may be further configured in a preferred embodiment as: and one end of the connecting plate, which is close to the spring, is provided with a second limiting groove, and the end part of the spring, which is close to the connecting plate, is arranged in the second limiting groove.
Through adopting above-mentioned technical scheme, the shape size of spacing groove two corresponds with the shape size that the spring is close to the connecting plate tip, and spacing groove two prevents that the tip of spring from sliding on the connecting plate, plays the effect of spacing spring tip.
To sum up, the utility model discloses a following at least one useful technological effect:
1. through the arrangement of the connecting plate, the spring and the supporting plate, an operator inserts the screw into the through hole of the part, the bottom end of the screw extends out of the through hole and is matched with the nut to fasten the two parts, the spring is arranged between the supporting plate and the connecting plate and is in a contraction state, the spring has outward ejection force on the connecting plate and the supporting plate, further outward ejection force is applied to the bolt and the nut, and further friction force between the bolt, the nut and the part is increased;
2. through the setting of spacing ring, work as bolt and nut cooperation, through the rotation locking of nut and bolt, the connecting plate drives the spring and removes to the backup pad direction, and the spacing ring of contradicting until the connecting plate, the spacing ring plays the effect of spacing connecting plate and protection spring.
Drawings
Fig. 1 is a schematic structural diagram of the embodiment.
Fig. 2 is a sectional view of the embodiment.
In the figure, 1, a screw cap; 11. a groove; 2. a support plate; 21. a first limiting groove; 3. a limiting ring; 31. a chute; 32. chamfering I; 4. a guide ring; 41. chamfering II; 5. a spring; 6. a connecting plate; 61. a second limiting groove; 7. a gasket; 8. a screw.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1 and 2, for the utility model discloses a fastening bolt, including nut 1, nut 1 is hexagonal prism form, and the position placed in the middle on nut 1 top is seted up flutedly 11, and flutedly 11 is hexagonal prism form and arranges nut 1's position placed in the middle in. The one end that recess 11 was kept away from to nut 1 has set firmly circular shape backup pad 2, and the one end that nut 1 was kept away from to backup pad 2 has set firmly screw rod 8, and the external screw thread has been seted up to the one end that backup pad 2 was kept away from to screw rod 8. The cover is equipped with spring 5 on the screw rod 8, and spring 5's one end is contradicted with backup pad 2, and spring 5 keeps away from backup pad 2's one end and is connected with the connecting plate 6 of contradicting with spring 5, and connecting plate 6 is the ring form, and the diameter of connecting plate 6 equals the diameter of backup pad 2, and connecting plate 6 overlaps on screw rod 8. The operator inserts screw rod 8 in the through-hole of two parts, the bottom of screw rod 8 stretch out the through-hole and with the nut cooperation, fasten two parts, spring 5 is arranged in between backup pad 2 and the connecting plate 6 and is in the shrink state, spring 5 all has outside ejection power to connecting plate 6 and backup pad 2, further also has outside ejection power to bolt and nut, and then increase bolt, the frictional force between nut and the part, can prevent not hard up of bolt.
Referring to fig. 2, an annular first limiting groove 21 is formed in one end, close to the spring 5, of the supporting plate 2, the end, close to the supporting plate 2, of the spring 5 is arranged in the first limiting groove 21, the shape and size of the first limiting groove 21 correspond to the shape and size, close to the end of the supporting plate 2, of the spring 5, and the first limiting groove 21 can prevent the end of the spring 5 from sliding on the supporting plate 2 and plays a role in limiting the end of the spring 5. The one end that connecting plate 6 is close to spring 5 has seted up annular spacing groove two 61, and spring 5 is close to the tip of connecting plate 6 and arranges spacing groove two 61 in, and the shape size of spacing groove two 61 corresponds with the shape size that spring 5 is close to the connecting plate 6 tip, and spacing groove two 61 can prevent that spring 5's tip from sliding on connecting plate 6, plays the effect of spacing spring 5 tip.
Referring to fig. 2, a limit ring 3 is fixedly arranged at one end of the support plate 2 far away from the nut 1, the outer diameter of the limit ring 3 is equal to the diameter of the support plate 2, and the screw 8 is arranged in the limit ring 3. Spacing ring 3 is the metal material and has certain height, and when bolt and nut cooperation, through the rotation locking of nut and bolt, connecting plate 6 drives spring 5 and removes to 2 directions of backup pad, and spacing ring 3 is contradicted until connecting plate 6, and the length of spring 5 when being in compression state is less than the height of spacing ring 3, and spacing ring 3 plays spacing connecting plate 6 and protection spring 5's effect.
Referring to fig. 2, the bottom end of the limiting ring 3 is provided with an annular sliding chute 31, the top end of the connecting plate 6 is fixedly provided with a guide ring 4, the shape and size of the guide ring 4 correspond to the shape and size of the sliding chute 31, and when the guide ring 4 is arranged in the sliding chute 31 and is in sliding connection with the sliding chute 31, the guide ring 4 and the sliding chute 31 play a role in guiding the movement direction of the connecting plate 6. The two sides of the chute 31 close to one end of the connecting plate 6 are respectively provided with an annular chamfer one 32, and the chamfer one 32 plays a role in facilitating the insertion of the guide ring 4 into the chute 31. Two sides of one end, close to the support plate 2, of the guide ring 4 are respectively provided with a second annular chamfer 41, and the second chamfer 41 plays a role in further facilitating the insertion of the guide ring 4 into the chute 31.
Referring to fig. 2, one end of the connecting plate 6, which is far away from the spring 5, is connected with a gasket 7, the gasket 7 is sleeved on the screw rod 8, the diameter of the gasket 7 is larger than that of the connecting plate 6, the gasket 7 is made of metal, the gasket 7 is arranged between the part and the connecting plate 6, the gasket 7 increases the contact area between the bolt and the surface of the part, the surface of the part can be prevented from being worn out, and the part protecting function is achieved.
The implementation principle of the embodiment is as follows: the operator inserts the screw rod 8 in the through-hole of two parts, the bottom of screw rod 8 stretches out the through-hole and cooperates with the nut, fasten two parts, insert spout 31 until guide ring 4 in, connecting plate 6 contradicts with spacing ring 3, spring 5 is arranged in between backup pad 2 and the connecting plate 6 and is in the contraction state, spring 5 all has outside top power to connecting plate 6 and backup pad 2, further also has outside top power to bolt and nut, and then the increase bolt, frictional force between nut and the part, accomplish the fastening process of bolt and nut.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. A fastening bolt, comprising a nut (1), characterized in that: the bottom of nut (1) has set firmly backup pad (2), and the one end that nut (1) was kept away from in backup pad (2) has set firmly screw rod (8), and the cover is equipped with spring (5) on screw rod (8), and the one end of spring (5) is contradicted with backup pad (2), and the one end that backup pad (2) were kept away from in spring (5) is equipped with connecting plate (6) of contradicting with spring (5), and connecting plate (6) cover is on screw rod (8).
2. A fastening screw according to claim 1, characterized in that: one end of the support plate (2) far away from the nut (1) is fixedly provided with a limiting ring (3), and the screw rod (8) is arranged in the limiting ring (3).
3. A fastening screw according to claim 2, characterized in that: the bottom end of the limiting ring (3) is provided with an annular sliding chute (31), and the top end of the connecting plate (6) is fixedly provided with a guide ring (4).
4. A fastening screw according to claim 3, characterized in that: two sides of one end, close to the connecting plate (6), of the sliding groove (31) are respectively provided with an annular chamfer I (32).
5. A fastening screw according to claim 3, characterized in that: two sides of one end, close to the support plate (2), of the guide ring (4) are respectively provided with a second annular chamfer (41).
6. A fastening screw according to claim 1, characterized in that: one end, far away from the spring (5), of the connecting plate (6) is provided with a gasket (7), and the gasket (7) is sleeved on the screw rod (8).
7. A fastening screw according to claim 1, characterized in that: one end, close to the spring (5), of the support plate (2) is provided with a first limiting groove (21), and the end, close to the support plate (2), of the spring (5) is arranged in the first limiting groove (21).
8. A fastening screw according to claim 1, characterized in that: and one end of the connecting plate (6) close to the spring (5) is provided with a second limiting groove (61), and the end part of the spring (5) close to the connecting plate (6) is arranged in the second limiting groove (61).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020132468.7U CN211573992U (en) | 2020-01-19 | 2020-01-19 | Fastening bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020132468.7U CN211573992U (en) | 2020-01-19 | 2020-01-19 | Fastening bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211573992U true CN211573992U (en) | 2020-09-25 |
Family
ID=72525360
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020132468.7U Active CN211573992U (en) | 2020-01-19 | 2020-01-19 | Fastening bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211573992U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113531498A (en) * | 2021-07-20 | 2021-10-22 | 深圳市益贝电子实业有限公司 | Epitaxial structure of light-emitting diode |
-
2020
- 2020-01-19 CN CN202020132468.7U patent/CN211573992U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113531498A (en) * | 2021-07-20 | 2021-10-22 | 深圳市益贝电子实业有限公司 | Epitaxial structure of light-emitting diode |
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