CN214788507U - Pre-tightening anti-loosening fixing bolt - Google Patents
Pre-tightening anti-loosening fixing bolt Download PDFInfo
- Publication number
- CN214788507U CN214788507U CN202121202898.2U CN202121202898U CN214788507U CN 214788507 U CN214788507 U CN 214788507U CN 202121202898 U CN202121202898 U CN 202121202898U CN 214788507 U CN214788507 U CN 214788507U
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- China
- Prior art keywords
- workpiece
- rod
- work piece
- nut
- bolt
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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 - Fee Related
Links
- 239000011435 rock Substances 0.000 abstract description 3
- 230000000149 penetrating effect Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 4
- 238000005457 optimization Methods 0.000 description 3
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a pre-tightening anti-loosening fixing bolt, which comprises a bolt body, wherein the bolt body comprises a rod body and a nut, one end of the rod body is provided with a cap body, the nut is in threaded connection with the other end of the rod body, the bolt body is connected with a first workpiece and a second workpiece, the first workpiece and the second workpiece are provided with through holes in a penetrating way, the rod body is provided with a fixing sleeve through the through holes of the first workpiece and the second workpiece, the rod body is sleeved with a fixing sleeve, the first workpiece is provided with a fixing groove, the fixing sleeve is inserted into the fixing groove, the fixing sleeve is provided with a limiting sleeve in a sliding way, the rod body is integrally formed with a limiting block, the utility model discloses a fixing sleeve, the limiting sleeve and a reset spring are arranged, so that the cap body is in close contact with the upper end of the limiting sleeve, the limiting sleeve plays a tensioning role, the bolt body is prevented from loosening, and the fixing sleeve and the limiting sleeve play a role of stable support, prevent the body of rod from taking place to rock.
Description
Technical Field
The utility model relates to a fixing bolt technical field specifically is a locking fixing bolt that moves of pretension.
Background
The bolt is a mechanical part and is a cylindrical threaded fastener matched with a nut. A fastener consisting of a head part and a screw (a cylinder with external threads) needs to be matched with a nut and is used for fastening and connecting two parts with through holes. When two workpieces are fixed by using bolts, holes need to be drilled in the two workpieces, in order to facilitate assembly, the inner diameter of each hole is generally larger than the diameter of each bolt, and fixing bolts in the prior art do not have the function of looseness prevention, so that the fixing bolts are easy to loosen or even fall off in a vibration environment.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to prior art's weak point, provide a locking fixing bolt that moves of pretension for realizing above-mentioned purpose.
The utility model provides a following technical scheme: the utility model provides a locking fixing bolt that moves of pretension, includes the bolt body, the bolt body includes the body of rod and nut, the one end of the body of rod is equipped with the cap body, the other end threaded connection of nut and the body of rod, the bolt body is connected with work piece one and work piece two, work piece one runs through with work piece two and is equipped with the perforation, the body of rod runs through the perforation of work piece one and work piece two, the cover has fixed cover on the body of rod, be equipped with the fixed slot on the work piece one, fixed cover is inserted in the fixed slot, it is equipped with the stop collar to slide on the fixed cover, integrated into one piece has the stopper on the body of rod, be connected with reset spring between stop collar and the fixed cover, the inner wall of stop collar upper end is equipped with supports the groove, the diameter of stopper and the internal diameter that supports the groove equal.
Preferably, the upper surface of the nut is in close contact with the surface of the second workpiece, a convex block is integrally formed on the contact surface of the nut and the second workpiece, a clamping groove is embedded in the second workpiece, and the convex block is clamped in the clamping groove.
Preferably, the upper end of the limiting sleeve is integrally formed with an outer edge, and the diameter of the outer edge is larger than that of the cap body.
Preferably, the lower surface of the fixed sleeve and the upper surface of the outer edge are both embedded with grooves, and rubber rings are placed in the grooves.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model has the advantages that the upper ends of the cap body and the limiting sleeve are in close contact through the arrangement of the fixed sleeve, the limiting sleeve plays a role in tensioning, the bolt body is prevented from loosening, the fixed sleeve and the limiting sleeve play a role in stable support, and the rod body is prevented from shaking;
2. the utility model discloses the lug is integrated into one piece on the contact surface of nut and work piece two, and work piece two is gone up to imbed and is equipped with the draw-in groove, and the lug card is in the draw-in groove, through the setting of lug and draw-in groove, prevents that the nut from taking place to become flexible;
3. the utility model discloses a fixed setting of sheatheeing in rubber circle increases the frictional force between fixed cover and the work piece one, through the setting of rubber circle in the outer fringe, increases the frictional force between the cap body and the outer fringe.
Drawings
FIG. 1 is a schematic structural view of the present invention;
in the figure: the device comprises a rod body 1, a nut 2, a cap body 3, a workpiece I4, a workpiece II 5, a fixed sleeve 6, a fixed groove 7, a limiting sleeve 8, a limiting block 9, a return spring 10, a bump 11, a clamping groove 12, an outer edge 13 and a rubber ring 14.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, the present invention provides a technical solution: a pre-tightening anti-loosening fixing bolt comprises a bolt body, wherein the bolt body comprises a rod body 1 and a nut 2, one end of the rod body 1 is provided with a cap body 3, the nut 2 is in threaded connection with the other end of the rod body, the bolt body is connected with a first workpiece 4 and a second workpiece 5, the first workpiece 4 and the second workpiece 5 are provided with through holes in a penetrating manner, the rod body 1 is provided with through holes of the first workpiece 4 and the second workpiece 5, a fixing sleeve 6 is sleeved on the rod body 1, the first workpiece 4 is provided with a fixing groove 7, the fixing sleeve 6 is inserted into the fixing groove 7, a limiting sleeve 8 is slidably arranged on the fixing sleeve 6, a limiting block 9 is integrally formed on the rod body 1, a reset spring 10 is connected between the limiting sleeve 8 and the fixing sleeve 6, a supporting groove is formed in the inner wall of the upper end of the limiting sleeve 8, the diameter of the limiting block 9 is equal to the inner diameter of the supporting groove, the fixing sleeve 6, the limiting sleeve 8 and the reset spring 10 are arranged to enable the cap body 3 to be in close contact with the upper end of the limiting sleeve 8, stop collar 8 plays the tight effect that rises, prevents that the bolt body from taking place not hard up, and fixed cover 6 and stop collar 8 play the effect of stable support, prevent that the body of rod 1 from taking place to rock.
As a technical optimization scheme of the utility model, the upper surface of nut 2 and two 5 surperficial in close contact with of work piece, integrated into one piece has lug 11 on the contact surface of nut 2 and two 5 work pieces, and the embedding is equipped with draw-in groove 12 on two 5 work pieces, and lug 11 card prevents that nut 2 from taking place not hard up in draw-in groove 12, through the setting of lug 11 and draw-in groove 12.
As a technical optimization scheme of the utility model, the upper end integrated into one piece of stop collar 8 has outer fringe 13, and the diameter of outer fringe 13 is greater than the diameter of the cap body 3, when the body of rod 1 is rotated to needs, presses down outer fringe 13, can reduce the frictional force between the cap body 3 and the 8 upper ends of stop collar, and is more laborsaving.
As a technical optimization scheme of the utility model, the lower surface of fixed cover 6 and the upper surface of outer fringe 13 all imbed and are equipped with the recess, have placed rubber circle 14 in the recess, through the setting of rubber circle 14 on fixed cover 6, increase the frictional force between fixed cover 6 and the work piece 4, through the setting of rubber circle 14 on outer fringe 13, increase the frictional force between the cap body 3 and the outer fringe 13 to improve the stability of bolt body.
The working principle is as follows: the utility model discloses a fixed cover 6, stop collar 8 and reset spring 10's setting, make the upper end in close contact with of the cap body 3 and stop collar 8, stop collar 8 plays the tight effect that rises, it is not hard up to prevent that the bolt body from taking place, and fixed cover 6 and stop collar 8 play the effect of stabilizing the support, prevent that body of rod 1 from taking place to rock, integrated into one piece has lug 11 on the contact surface of nut 2 and two 5 of work pieces, the embedding is equipped with draw-in groove 12 on the two 5 of work pieces, lug 11 card is in draw-in groove 12, setting through lug 11 and draw-in groove 12, prevent that nut 2 from taking place not hard up, through the setting of fixing cover 6 last rubber ring 14, increase the frictional force between fixed cover 6 and the work piece 4, through the setting of rubber ring 14 on outer fringe 13, increase the frictional force between the cap body 3 and the outer fringe 13.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides a locking fixing bolt that moves of pretension, includes the bolt body, the bolt body includes the body of rod (1) and nut (2), the one end of the body of rod (1) is equipped with the cap body (3), the other end threaded connection of nut (2) and the body of rod, its characterized in that: the bolt body is connected with work piece (4) and work piece two (5), work piece (4) and work piece two (5) run through and are equipped with the perforation, the perforation of work piece (4) and work piece two (5) is run through to the body of rod (1), the cover has fixed cover (6) on the body of rod (1), be equipped with fixed slot (7) on work piece (4), fixed cover (6) are inserted in fixed slot (7), it is equipped with stop collar (8) to slide on fixed cover (6), integrated into one piece has stopper (9) on the body of rod (1), be connected with reset spring (10) between stop collar (8) and the fixed cover (6), the inner wall of stop collar (8) upper end is equipped with supports the groove, the diameter of stopper (9) and the internal diameter that supports the groove equal.
2. A pre-tightened locking bolt according to claim 1, characterised in that: the upper surface of the nut (2) is in close contact with the surface of the second workpiece (5), a convex block (11) is integrally formed on the contact surface of the nut (2) and the second workpiece (5), a clamping groove (12) is embedded in the second workpiece (5), and the convex block (11) is clamped in the clamping groove (12).
3. A pre-tightened locking bolt according to claim 1, characterised in that: the upper end of the limiting sleeve (8) is integrally formed with an outer edge (13), and the diameter of the outer edge (13) is larger than that of the cap body (3).
4. A pre-tightened locking bolt according to claim 3, characterised in that: the lower surface of the fixed sleeve (6) and the upper surface of the outer edge (13) are embedded with grooves, and rubber rings (14) are placed in the grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121202898.2U CN214788507U (en) | 2021-05-31 | 2021-05-31 | Pre-tightening anti-loosening fixing bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121202898.2U CN214788507U (en) | 2021-05-31 | 2021-05-31 | Pre-tightening anti-loosening fixing bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214788507U true CN214788507U (en) | 2021-11-19 |
Family
ID=78699571
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121202898.2U Expired - Fee Related CN214788507U (en) | 2021-05-31 | 2021-05-31 | Pre-tightening anti-loosening fixing bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214788507U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114622679A (en) * | 2022-04-02 | 2022-06-14 | 中建八局建筑科技(山东)有限公司 | ALC (autoclaved lightweight concrete) panel wall bathroom shower seat and stool reinforcing structure and reinforcing method thereof |
| CN115875353A (en) * | 2022-12-09 | 2023-03-31 | 哈尔滨飞机工业集团有限责任公司 | Spring reset type threaded connection anti-loosening mechanism |
-
2021
- 2021-05-31 CN CN202121202898.2U patent/CN214788507U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114622679A (en) * | 2022-04-02 | 2022-06-14 | 中建八局建筑科技(山东)有限公司 | ALC (autoclaved lightweight concrete) panel wall bathroom shower seat and stool reinforcing structure and reinforcing method thereof |
| CN114622679B (en) * | 2022-04-02 | 2023-01-17 | 中建八局建筑科技(山东)有限公司 | ALC (autoclaved lightweight concrete) panel wall bathroom shower seat and stool reinforcing structure and reinforcing method thereof |
| CN115875353A (en) * | 2022-12-09 | 2023-03-31 | 哈尔滨飞机工业集团有限责任公司 | Spring reset type threaded connection anti-loosening mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211119 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |