CN211778422U - Bolt and nut fastener - Google Patents
Bolt and nut fastener Download PDFInfo
- Publication number
- CN211778422U CN211778422U CN201922426372.1U CN201922426372U CN211778422U CN 211778422 U CN211778422 U CN 211778422U CN 201922426372 U CN201922426372 U CN 201922426372U CN 211778422 U CN211778422 U CN 211778422U
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- longitudinal
- bolt
- groove
- nut
- adjusting
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Abstract
The utility model belongs to the technical field of the automobile parts technique and specifically relates to a bolt and nut fastener, including the bolt head, fix at the body structure external screw thread pole of bolt head lower extreme and threaded connection the adjusting nut on the external screw thread pole. The utility model discloses a bolt and nut fastener is through setting up built-in external screw thread self-lock device's indulging on the side flank of screw in the adjusting nut and putting the locking groove, set up the side direction separating groove of built-in adjusting lever and make things convenient for the side direction loading and unloading groove of its loading and unloading at the adjusting nut lower extreme, set up the bottom fixed slot with external screw thread self-lock device matched with at the bolt head lower surface, insert inside locking bolt and nut of coming of bottom fixed slot through adjusting lever control external screw thread self-lock device lifting, promote the firmness and the stability of bolt and nut installation greatly.
Description
Technical Field
The utility model belongs to the technical field of the automobile parts technique and specifically relates to a bolt and nut fastener.
Background
Along with the development of science and technology and the improvement of people's standard of living, more and more car gets into people's life and goes in the work, for the assembly between each subassembly of convenient car, the bolt and the nut installed part of car the inside are very numerous, and traditional bolt and nut simple structure is fixed, can produce vibrations of various kinds in the car operation process, if the bolt and nut assembly requirement is not up to standard for a long-term use, leads to the pine very easily to take off, seriously influences the security that the vehicle travel.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: in order to solve the problems existing in the background technology, an improved bolt and nut fastener is provided, and the problems that the traditional bolt and nut is simple and fixed in structure and cannot be locked to prevent loosening are solved.
The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a bolt and nut fastener, includes the bolt head, fixes at the body structure external screw thread pole of bolt head lower extreme and threaded connection's adjusting nut on the external screw thread pole, the inboard flank of thread of adjusting nut on seted up and indulge and put the locking groove, indulge and put locking groove internally mounted have external screw thread self-lock device, the bolt head lower surface seted up with external screw thread self-lock device matched with bottom fixed slot, external screw thread self-lock device insert the bottom fixed slot inside through the top and fix adjusting nut on the external screw thread pole.
Furthermore, for elastic locking and height adjustment, the external thread self-locking device comprises a longitudinal adjusting rod arranged in the longitudinal locking groove, an external thread surface fixed on the outer side surface of the longitudinal adjusting rod and meshed with the external thread rod, lateral extrusion elastic sheets fixed at two ends of the longitudinal adjusting rod and an adjusting lever movably connected to the lower end of the longitudinal adjusting rod, wherein a longitudinal mounting groove is formed in the inner side surface of the longitudinal locking groove corresponding to the lateral extrusion elastic sheets, and the longitudinal adjusting rod is inserted into the longitudinal mounting groove in the corresponding position through the lateral extrusion elastic sheets on two sides and is in sliding connection with the inner part of the longitudinal locking groove.
Furthermore, for convenience in assembly and disassembly, a lateral separation groove communicated with the longitudinal locking groove and a lateral assembly and disassembly groove positioned on the outer side of the lateral separation groove are formed in the lower end of the adjusting nut and positioned on the outer side of the longitudinal locking groove, and an assembly and disassembly through hole with a built-in assembly cross rod is formed between the lateral separation groove and the lateral assembly and disassembly groove.
Furthermore, in order to facilitate assembly, the top end and the middle end of the adjusting lever are respectively provided with an integrated structure assembly pipe, the lower end of the longitudinal adjusting rod is provided with an assembly opening with a built-in connecting shaft, the adjusting lever is movably connected with the lower end of the longitudinal adjusting rod on the connecting shaft through an assembly pipe sleeve at the top end, and the adjusting lever is movably connected with the lateral separation groove on the assembly cross rod through an assembly pipe sleeve at the middle end.
Further, in order to improve the lifting stability, the thickness of the lateral extrusion elastic sheet is the same as the width of the interior of the longitudinal installation groove.
Furthermore, in order to facilitate bending deformation, a gap is reserved between the inner side surface of the longitudinal locking groove and the outer side surface of the longitudinal adjusting rod.
The beneficial effects of the utility model are that, the utility model discloses a bolt and nut fastener is through setting up built-in external screw thread self-lock device's indulging the locking groove of putting on the side flank of screw of adjusting nut, set up the side direction separating tank of built-in adjusting lever and make things convenient for the side direction loading and unloading groove of its loading and unloading at the adjusting nut lower extreme, set up the bottom fixed slot with external screw thread self-lock device matched with at the bolt head lower surface, insert the inside bolt and nut that comes of bottom fixed slot and lock through adjusting lever control external screw thread self-lock device lifting, promote the firmness and the stability of bolt and nut installation greatly.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a partial sectional view of the interior of the longitudinally arranged locking groove of the present invention.
In the figure, 1, a bolt head, 2, an external thread rod, 3, an adjusting nut, 4, a longitudinally arranged locking groove, 5, a bottom fixing groove, 6, a longitudinally adjusting rod, 7, a laterally extruded elastic sheet, 8, an adjusting lever, 9, a longitudinally arranged mounting groove, 10, a laterally separated groove, 11, a laterally loading and unloading groove, 12, an assembling cross rod and 13, an assembling pipe are arranged.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.
Fig. 1 and fig. 2 show a bolt nut fastener, including bolt head 1, fix at the body structure external screw thread pole 2 and the adjusting nut 3 of threaded connection on external screw thread pole 2 of bolt head 1 lower extreme, set up on the 3 inboard flanks of adjusting nut and indulge and put locking groove 4, indulge and put 4 internally mounted in locking groove and have external screw thread self-lock device, bolt head 1 lower surface has been seted up with external screw thread self-lock device matched with bottom fixed slot 5, external screw thread self-lock device inserts 5 insidely with adjusting nut 3 on external screw thread pole 2 of bottom fixed slot through the top.
Further, for elastic locking and height adjustment, the external thread self-locking device comprises a longitudinal adjusting rod 6 arranged in the longitudinal locking groove 4, an external thread surface fixed on the outer side surface of the longitudinal adjusting rod 6 and meshed with the external thread rod 2, lateral extrusion elastic sheets 7 fixed at two ends of the longitudinal adjusting rod 6 and an adjusting lever 8 movably connected to the lower end of the longitudinal adjusting rod 6, a longitudinal mounting groove 9 is formed in the inner side surface of the longitudinal locking groove 4 corresponding to the lateral extrusion elastic sheets 7, and the longitudinal adjusting rod 6 is inserted into the longitudinal mounting groove 9 in the corresponding position through the lateral extrusion elastic sheets 7 on two sides and is in sliding connection with the inner part of the longitudinal locking groove 4.
Further, for convenience of assembly and disassembly, the lower end of the adjusting nut 3 is positioned outside the longitudinal locking groove 4 and is provided with a lateral separation groove 10 communicated with the longitudinal locking groove 4 and a lateral assembling and disassembling groove 11 positioned outside the lateral separation groove 10, an assembling and disassembling through hole with a built-in assembling cross rod 12 is formed between the lateral separation groove 10 and the lateral assembling and disassembling groove 11, furthermore, for convenience of assembly, the top end and the middle end of the adjusting lever 8 are respectively provided with an integrated assembling pipe 13, the lower end of the longitudinal adjusting rod 6 is provided with an assembling port with a built-in connecting shaft, the adjusting lever 8 is sleeved on the connecting shaft through the assembling pipe 13 at the top end and is movably connected with the lower end of the longitudinal adjusting rod 6, and the adjusting lever 8 is sleeved on the assembling cross rod 12 through the assembling pipe 13.
Further, in order to improve the lifting stability, the thickness of the lateral extrusion elastic sheet 7 is the same as the width of the inner side of the longitudinal installation groove 9, and further, in order to facilitate bending deformation, a gap is reserved between the inner side of the longitudinal locking groove 4 and the outer side of the longitudinal adjustment rod 6.
The beneficial effects of the utility model are that, the utility model discloses a bolt and nut fastener is through offering built-in external screw thread self-lock device's indulging on the 3 inboard flanks of adjusting nut and putting locking groove 4, set up built-in adjusting lever 8's side direction separating tank 10 and make things convenient for its side direction loading and unloading groove 11 at adjusting nut 3 lower extreme, set up at 1 lower surface of bolt head with external screw thread self-lock device matched with bottom fixed slot 5, insert 5 insidely in the bottom fixed slot and lock bolt and nut through adjusting lever 8 control external screw thread self-lock device lifting, promote the firmness and the stability of bolt and nut installation greatly.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (6)
1. The utility model provides a bolt and nut fastener, includes bolt head (1), fixes at a body structure external screw thread pole (2) and the adjusting nut (3) of threaded connection on external screw thread pole (2) of bolt head (1) lower extreme, characterized by: adjusting nut (3) inboard flank of thread on seted up and indulged and put locking groove (4), indulge and put locking groove (4) internally mounted have external screw thread self-lock device, bolt head (1) lower surface seted up with external screw thread self-lock device matched with bottom fixed slot (5), external screw thread self-lock device insert bottom fixed slot (5) through the top inside fix adjusting nut (3) on external screw rod (2).
2. A bolt and nut fastener as defined in claim 1, wherein: the external thread self-locking device comprises a longitudinal adjusting rod (6) arranged in a longitudinal locking groove (4), an external thread surface fixed on the outer side surface of the longitudinal adjusting rod (6) and meshed with the external thread rod (2), lateral extrusion elastic sheets (7) fixed at two ends of the longitudinal adjusting rod (6) and an adjusting lever (8) movably connected to the lower end of the longitudinal adjusting rod (6), wherein a longitudinal mounting groove (9) is formed in the inner side surface of the longitudinal locking groove (4) corresponding to the lateral extrusion elastic sheets (7), and the longitudinal adjusting rod (6) is inserted into the longitudinal mounting groove (9) corresponding to the position through the lateral extrusion elastic sheets (7) on two sides and is connected with the longitudinal locking groove (4) in an internal sliding mode.
3. A bolt and nut fastener as defined in claim 2, wherein: the lower end of the adjusting nut (3) is positioned on the outer side of the longitudinal locking groove (4) and is provided with a lateral separation groove (10) communicated with the longitudinal locking groove (4) and a lateral loading and unloading groove (11) positioned on the outer side of the lateral separation groove (10), and a loading and unloading through hole with a built-in assembling cross rod (12) is formed between the lateral separation groove (10) and the lateral loading and unloading groove (11).
4. A bolt and nut fastener as defined in claim 3, wherein: the adjusting device is characterized in that the top end and the middle end of the adjusting lever (8) are respectively provided with an integrated structure assembling pipe (13), the lower end of the longitudinal adjusting rod (6) is provided with an assembling opening with a built-in connecting shaft, the adjusting lever (8) is sleeved on the connecting shaft through the assembling pipe (13) at the top end and is movably connected with the lower end of the longitudinal adjusting rod (6), and the adjusting lever (8) is sleeved on the assembling cross rod (12) through the assembling pipe (13) at the middle end and is movably connected with the lateral separating groove (10).
5. A bolt and nut fastener as defined in claim 2, wherein: the thickness of the lateral extrusion elastic sheet (7) is the same as the inner width of the longitudinal installation groove (9).
6. A bolt and nut fastener as defined in claim 2, wherein: a gap is reserved between the inner side surface of the longitudinally arranged locking groove (4) and the outer side surface of the longitudinally adjusting rod (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922426372.1U CN211778422U (en) | 2019-12-28 | 2019-12-28 | Bolt and nut fastener |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922426372.1U CN211778422U (en) | 2019-12-28 | 2019-12-28 | Bolt and nut fastener |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211778422U true CN211778422U (en) | 2020-10-27 |
Family
ID=72978080
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922426372.1U Expired - Fee Related CN211778422U (en) | 2019-12-28 | 2019-12-28 | Bolt and nut fastener |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211778422U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112855731A (en) * | 2021-01-20 | 2021-05-28 | 江苏金傲五金科技有限公司 | Magnetic control sliding type anti-loosening bolt |
| CN112963411A (en) * | 2021-02-25 | 2021-06-15 | 江苏荣光五金科技有限公司 | Stainless steel flange with built-in telescopic self-locking mechanism |
-
2019
- 2019-12-28 CN CN201922426372.1U patent/CN211778422U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112855731A (en) * | 2021-01-20 | 2021-05-28 | 江苏金傲五金科技有限公司 | Magnetic control sliding type anti-loosening bolt |
| CN112963411A (en) * | 2021-02-25 | 2021-06-15 | 江苏荣光五金科技有限公司 | Stainless steel flange with built-in telescopic self-locking 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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201027 Termination date: 20211228 |