CN209856194U - Self-locking hub bolt - Google Patents
Self-locking hub bolt Download PDFInfo
- Publication number
- CN209856194U CN209856194U CN201920258457.0U CN201920258457U CN209856194U CN 209856194 U CN209856194 U CN 209856194U CN 201920258457 U CN201920258457 U CN 201920258457U CN 209856194 U CN209856194 U CN 209856194U
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- China
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- nut
- hub bolt
- section
- screw rod
- self
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Abstract
The utility model relates to a from locking-type wheel hub bolt relates to the bolt field, aims at solving the self-locking performance of bolt, should include the nut from locking-type wheel hub bolt and with the screw rod that the nut is connected, the caulking groove has been seted up along axial direction to the screw rod, be provided with the elastic rod in the caulking groove, the both ends of elastic rod respectively with the caulking groove is supported tightly along length direction's both ends, the elastic rod mid portion protrusion screw rod periphery wall sets up, the both ends of caulking groove are provided with the buckle that supports tight elastic rod both ends. The utility model relates to a self-locking hub bolt, the designed elastic rod prevents the nut from falling off the screw rod, effectively avoids the nut from falling off to influence the work of other parts, and simultaneously improves the mechanical safety performance and the safety factor of a user; the cross-section of the designed nut is hexagonal, and the cross-shaped opening is formed in the surface of the designed nut, so that the applicable various tools of the hub bolt can be disassembled and screwed, and the applicability and the practicability of the hub bolt are improved.
Description
Technical Field
The utility model belongs to the technical field of the bolt and specifically relates to a from locking-type wheel hub bolt.
Background
The bolt is a mechanical part, and a fastener consisting of a bolt head and a screw rod needs to be matched with a nut and is used for fastening and connecting two parts with through holes. The bolts have multiple classification, and the wheel hub bolt is as one of them, and the wheel hub bolt is used for fixed brake drum and wheel hub and rim plate and wheel hub, fastens with the nut cooperation.
The Chinese patent with the publication number of CN204610499U discloses a hub bolt, which consists of a top cover, an upper screw and a lower screw, wherein the top cover is disc-shaped, the upper bottom surface of the top cover is provided with a groove, the groove is hexagonal, the lower bottom surface of the top cover is connected with the upper screw, the upper screw is cylindrical, the surface of the upper screw is provided with strip-shaped teeth, the number of the strip-shaped teeth is 36-40, two adjacent strip-shaped teeth are not in contact with each other, the strip-shaped teeth are arranged clockwise, the strip-shaped teeth are vertical to the top cover, the bottom of the upper screw is provided with a circular truncated cone, the angle of the circular truncated cone is 30 degrees, the other end of the circular truncated cone is provided with the lower screw, the lower screw; the surface of the lower screw rod is provided with threads, the bottom of the lower screw rod is also provided with a circular truncated cone convex block, and the diameter of the bottom surface of one side, close to the lower screw rod, of the circular truncated cone convex block is larger.
When this wheel hub bolt uses: the hub bolt is aligned to two to-be-fastened connecting pieces, then the hub bolt penetrates through the two to-be-fastened connecting pieces until one side, close to the screw rod, of the top cover is attached to the to-be-fastened connecting pieces, the nut is sleeved at one end, away from the top cover, of the screw rod, and the nut is rotated to one side of the nut and abuts against one side of the to-be-fastened connecting pieces.
However, when the hub bolt is used, the two fastening members may cause the nut to loosen or separate from the hub bolt in the process of continuous movement or vibration for a long time, and the two fastening members are separated, so that the mechanical damage is caused, and the safety of a user may be affected in a serious condition.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a from locking-type wheel hub bolt, the elastic rod of design can prevent that the nut from droing from the screw rod, and the effectual nut of avoiding drops and influences other spare parts work, improves mechanical safety performance and user's factor of safety simultaneously.
The above object of the present invention can be achieved by the following technical solutions:
the utility model provides a from locking-type wheel hub bolt, including the nut and with the screw rod that the nut is connected, the caulking groove has been seted up along axial direction to the screw rod, be provided with the elastic rod in the caulking groove, the both ends of elastic rod respectively with the caulking groove supports tightly along length direction's both ends, the elastic rod mid portion protrusion screw rod periphery wall sets up, the both ends of caulking groove are provided with the buckle that supports tight elastic rod both ends.
According to the technical scheme, bolt holes on two fasteners to be fastened are aligned, then a screw rod part of a hub bolt extends into the bolt holes of the two fasteners to be fastened, the screw rod extending into the surface, close to the screw rod, of a nut of the hub bolt is attached to the surface of one fastener to be fastened, the nut is aligned to the screw rod, the nut is rotated to enable the two fasteners to be fastened, when the nut moves to the position above an elastic rod in the axial direction of the screw rod, the elastic rod deforms, the nut can pass through the elastic rod, the nut moves to one side of the nut in the axial direction of the screw rod to be tightly abutted against the surface of the other fastener to be fastened, the two fasteners to be fastened are respectively abutted against the nut and the nut, the elastic rod deforms to apply force to one side of the nut, when the nut is separated from the elastic rod, the elastic rod is firstly pressed to deform, and when; the elastic rod of design can prevent that the nut from droing from the screw rod to the nut application of force, and the effectual nut of avoiding drops and influences other spare part work, improves mechanical safety performance and user's factor of safety simultaneously.
The utility model discloses further set up to: the screw rod includes with straight line annular knurl section that the nut is connected and keep away from the screw thread section that nut one end set up, the caulking groove is seted up in on the periphery wall of screw thread section, straight line annular knurl section is connected with the screw thread section through the transition section.
Implement above-mentioned technical scheme, the relative rotation of two fastener elements of treating can be avoided to straight line annular knurl section, and the screw thread section can cooperate the nut to treat fastener elements two and fasten, and the changeover portion can strengthen the joint strength between straight line annular knurl section and screw thread section, improves the holistic intensity of wheel hub bolt, the installation of the wheel hub bolt of being convenient for simultaneously.
The utility model discloses further set up to: the nut with be provided with slick and sly transitive rib between the straight line annular knurl section, rib one side and nut diapire fixed connection, the opposite side and the straight line annular knurl section fixed connection of rib.
Implement above-mentioned technical scheme, be located the rib between nut and screw rod, intensity between multiplicable screw rod and nut reduces the cracked probability of nut edge and screw rod junction, improves the bulk strength, the practicality and the life of wheel hub bolt.
The utility model discloses further set up to: the transition section is in a round table shape, the small end of the transition section is connected with the thread section, and the large end of the transition section is connected with the straight knurled section.
Implement above-mentioned technical scheme, the changeover portion is round platform form setting, can strengthen the joint strength between straight line annular knurl section and screw thread section, makes the wheel hub bolt be convenient for install simultaneously.
The utility model discloses further set up to: the thread section is far away from one end of the nut and is provided with an inclination angle which is 45 degrees.
Implement above-mentioned technical scheme, the screw rod is close to the angle of inclination that nut one side set up, and the screw rod of being convenient for gets into the bolt hole, and the screw rod input one end of being convenient for is connected with the nut simultaneously, and the initial cooperation when the screw rod of being convenient for and nut threaded connection improves work efficiency.
The utility model discloses further set up to: the section of the nut is arranged in a hexagon shape.
Implement above-mentioned technical scheme, the nut cross-section is the hexagon setting, when the nut is dismantled or is screwed up with the screw rod is difficult, needs nut and nut combined action to carrying out the dismantlement and the screwing up of wheel hub bolt, through open-ended spanner fixed nut, is rotating the nut through the spanner for the nut is screwed up or is dismantled with the screw rod, and the applicable multiple instrument of this wheel hub bolt is screwed up and is dismantled, improves the suitability and the practicality of wheel hub bolt.
The utility model discloses further set up to: one end of the screw cap, which is far away from the screw rod, is provided with a cross opening.
Implement above-mentioned technical scheme, the nut is kept away from the cross opening that screw rod one end was seted up, when the nut was dismantled or was screwed up with the screw rod is difficult, need the nut and carry out the dismantlement and the tightening of wheel hub bolt with the nut combined action, cross unclamp and cross opening cooperation, tighten the nut with open-ended spanner, the bolt cooperation spanner of being convenient for is screwed up, the wheel hub bolt cooperation nut of being convenient for fastens, the applicable multiple instrument of this wheel hub bolt is screwed up and is dismantled, improves the suitability and the practicality of wheel hub bolt.
The utility model discloses further set up to: and the screw and the nut are plated with protective layers.
By implementing the technical scheme, the protective layer can improve the surface smoothness of the hub bolt, enhance the corrosion resistance of the hub bolt, and simultaneously improve the wear resistance of the surface of the bolt, so that the overall performance of the hub bolt is improved.
To sum up, the utility model discloses a beneficial technological effect does:
1. according to the self-locking hub bolt, the elastic rod is designed, so that the nut can be prevented from falling off from the screw rod, the phenomenon that the nut falls off to influence the work of other parts is effectively avoided, and meanwhile, the mechanical safety performance and the safety coefficient of a user are improved;
2. this from locking-type wheel hub bolt, the nut of design, the cross-section is hexagon and the surface has seted up the cross opening, is convenient for wheel hub bolt cooperation nut's dismantlement and screw up for the applicable multiple instrument of this wheel hub bolt is dismantled and is screwed up, improves wheel hub bolt's suitability and practicality.
Drawings
Fig. 1 is the utility model provides a from locking-type wheel hub bolt's overall structure schematic diagram.
In the figure: 1. a nut; 11. a cross opening; 2. a reinforcing portion; 3. a screw; 31. a straight knurling section; 32. a transition section; 33. a threaded segment; 34. caulking grooves; 35. buckling the plate; 36. an inclination angle; 4. an elastic rod.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1, for the utility model discloses a from locking-type wheel hub bolt, including nut 1 and the screw rod 3 of being connected with nut 1, nut 1 is provided with rib 2 with 3 junctions of screw rod, 2 one sides of rib and 1 diapire fixed connection of nut, opposite side and 3 periphery walls fixed connection of screw rod, screw rod 3, all plate the inoxidizing coating on rib 2 and the nut 1, the inoxidizing coating is established to the chromium plating inoxidizing coating, nut 1 cross-section is the hexagon setting, and nut 1 keeps away from 3 one end of screw rod and is provided with the cross opening 11 that can cooperate the cross to separate the sword.
As shown in fig. 1, screw rod 3 includes the straight line annular knurl section 31 with 1 fixed connection of nut and keeps away from the screw thread section 33 that 1 one end of nut set up, straight line annular knurl section 31 is connected with screw thread section 33 through changeover portion 32, be provided with a plurality of straight lines along axial direction on the periphery wall of straight line annular knurl section 31, nut 1, straight line annular knurl section 31, changeover portion 32 sets gradually with screw thread section 33, changeover portion 32 sets up to the round platform form, the tip and the screw thread section 33 fixed connection of changeover portion 32, the main aspects and the straight line annular knurl section 31 fixed connection of changeover portion 32, rib 2 sets up in nut 1 and the straight line annular knurl section 31 junction.
As shown in fig. 1, the thread section 33 is provided with an insertion groove 34 along the axial direction, an elastic rod 4 is arranged in the insertion groove 34, two ends of the elastic rod 4 are respectively abutted against two ends of the insertion groove 34 along the length direction, the middle part of the elastic rod 4 is protruded, the outer peripheral wall of the middle part of the protruding screw rod 3 is arranged, two ends of the insertion groove 34 are provided with pinch plates 35 abutted against two ends of the elastic rod 4, the pinch plates 35 are fixedly connected with the insertion groove 34, one end of the thread section 33, which is far away from the nut 1, is provided with an inclination angle 36, and the.
The utility model discloses a wheel hub bolt's working process is: when fastening the to-be-fastened pieces, firstly, the two to-be-fastened pieces are attached to align bolt holes of the two to-be-fastened pieces, a screw rod 3 of the hub bolt extends into the two to-be-fastened pieces along the bolt holes, a nut 1 extending into the hub bolt is attached to the surface of one to-be-fastened piece, the nut is aligned to the screw rod 3, the nut is rotated to fasten the two to-be-fastened pieces, when the nut passes through an elastic rod 4, the elastic rod 4 deforms in an embedding groove 34 until one side of the nut abuts against the surface of the other to-be-fastened piece, the two to-be-fastened pieces are sleeved on the screw rod 3 and respectively abut against the screw nut 1 and the nut, and when the nut abuts against the side wall of the to-be-fastened piece, the elastic rod 4 can; when the hub bolt is disassembled, the cross-shaped cutter is embedded with the cross-shaped opening 11, the nut is adjusted by the wrench, the nut moves towards one end away from the nut 1, when the nut moves to the position above the elastic rod 4, the elastic rod 4 deforms, the wrench continues to rotate until the nut is separated from the screw rod 3, then the screw rod 3 is taken out, and the hub bolt is disassembled.
Claims (8)
1. The utility model provides a from locking-type wheel hub bolt, including nut (1) and with screw rod (3) that nut (1) is connected, its characterized in that, caulking groove (34) have been seted up along axial direction in screw rod (3), be provided with flexible pole (4) in caulking groove (34), the both ends of flexible pole (4) respectively with caulking groove (34) support tightly along length direction's both ends, the protruding screw rod (3) periphery wall setting of elastic pole (4) mid portion, the both ends of caulking groove (34) are provided with buckle (35) that support tight elastic pole (4) both ends.
2. The self-locking hub bolt of claim 1, wherein the screw (3) comprises a straight knurled section (31) connected with the nut (1) and a threaded section (33) arranged at one end far away from the nut (1), the caulking groove (34) is arranged on the outer peripheral wall of the threaded section (33), and the straight knurled section (31) is connected with the threaded section (33) through a transition section (32).
3. The self-locking hub bolt of claim 2, wherein: nut (1) with be provided with rounding off's rib (2) between straight line annular knurl section (31), rib (2) one side and nut (1) diapire fixed connection, the opposite side and straight line annular knurl section (31) fixed connection of rib (2).
4. A self-locking hub bolt according to claim 3, wherein: the transition section (32) is in a round table shape, the small end of the transition section (32) is connected with the thread section (33), and the large end of the transition section (32) is connected with the straight-line knurled section (31).
5. The self-locking hub bolt of claim 4, wherein: one end, far away from the screw cap (1), of the threaded section (33) is provided with an inclined angle (36), and the inclined angle (36) is set to be 45 degrees.
6. The self-locking hub bolt of claim 1, wherein: the section of the nut (1) is arranged in a hexagon shape.
7. The self-locking hub bolt of claim 6, wherein: and a cross opening (11) is formed in one end, far away from the screw rod (3), of the screw cap (1).
8. The self-locking hub bolt of claim 1, wherein: and the screw rod (3) and the screw cap (1) are plated with protective layers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920258457.0U CN209856194U (en) | 2019-02-28 | 2019-02-28 | Self-locking hub bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920258457.0U CN209856194U (en) | 2019-02-28 | 2019-02-28 | Self-locking hub bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209856194U true CN209856194U (en) | 2019-12-27 |
Family
ID=68932444
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920258457.0U Expired - Fee Related CN209856194U (en) | 2019-02-28 | 2019-02-28 | Self-locking hub bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209856194U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111365355A (en) * | 2020-04-08 | 2020-07-03 | 贵州电网有限责任公司 | Bolt with self-locking function |
| CN112049989A (en) * | 2020-08-28 | 2020-12-08 | 河南航天精工制造有限公司 | Pipe fitting hoop assembly |
| CN112792513A (en) * | 2021-01-19 | 2021-05-14 | 上海奥达科股份有限公司 | Production process and device for double-chamfer straight-tooth press-fitting bolt |
-
2019
- 2019-02-28 CN CN201920258457.0U patent/CN209856194U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111365355A (en) * | 2020-04-08 | 2020-07-03 | 贵州电网有限责任公司 | Bolt with self-locking function |
| CN112049989A (en) * | 2020-08-28 | 2020-12-08 | 河南航天精工制造有限公司 | Pipe fitting hoop assembly |
| CN112792513A (en) * | 2021-01-19 | 2021-05-14 | 上海奥达科股份有限公司 | Production process and device for double-chamfer straight-tooth press-fitting bolt |
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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: 20191227 Termination date: 20210228 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |