CN209838902U - Bulb guide bolt for automobile fastening - Google Patents
Bulb guide bolt for automobile fastening Download PDFInfo
- Publication number
- CN209838902U CN209838902U CN201920642144.5U CN201920642144U CN209838902U CN 209838902 U CN209838902 U CN 209838902U CN 201920642144 U CN201920642144 U CN 201920642144U CN 209838902 U CN209838902 U CN 209838902U
- Authority
- CN
- China
- Prior art keywords
- bolt
- guide
- shank
- diameter
- head
- 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
Links
Landscapes
- Pivots And Pivotal Connections (AREA)
Abstract
The utility model provides a bulb guide bolt for automobile fastening, including bolt head and shank of bolt, be equipped with the screw thread on the shank of bolt, the tip of shank of bolt is equipped with the hemisphere guide, and the diameter of hemisphere guide equals the diameter of the tip of shank of bolt, and the tip that the bolt head is connected with the shank of bolt is ARC structure or inclined plane structure, and the central point of bolt head puts and is equipped with the recess, is equipped with the internal thread on the inside wall of recess. The ball head guide bolt for fastening the automobile has the advantages that the end part of the bolt rod is designed into the ball head guide, the guidance performance is better during assembly, and the ball head guide bolt is not limited by the assembly direction; the hemispherical guide piece is smooth and burr-free, has attractive appearance, and simultaneously has larger stress area, less harm to the human body and better safety.
Description
Technical Field
The utility model relates to a fastener technical field especially relates to a bulb guide bolt for car fastening.
Background
The fastener is a mechanical part which is used for fastening and connecting and has wide application, and is widely used in the industries of energy, electronics, electrical appliances, machinery, chemical engineering, metallurgy, dies, hydraulic pressure, home furnishing and the like. The most common fasteners are bolts, nuts, etc. which perform the fastening function by a threaded or interference fit when assembled.
In the automobile fastener industry, in order to facilitate the assembly of a bolt, a chamfer, a guide post, a guide conical tip, a semi-conical tip and the like are usually designed at a guide end at the tail part of the bolt, the design only considers the assembly convenience and does not consider the safety of a product, and when an automobile collides, the injury of the conical tip of the bolt to a person is fatal. The bolt must be designed with consideration for product safety.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem that the safety is not considered in the use of the bolt in the prior art, and providing a safe and reliable ball head guide bolt for automobile fastening.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a bulb guide bolt for automobile fastening, includes bolt head and shank of bolt, is equipped with the screw thread on the shank of bolt, and the tip of shank of bolt is equipped with the hemisphere guide, and the diameter of hemisphere guide equals the diameter of the tip of shank of bolt, and the tip that the bolt head is connected with the shank of bolt is ARC structure or inclined plane structure, and the central point of bolt head puts and is equipped with the recess, is equipped with the internal thread on the inside wall of recess.
Preferably, the recess includes a cylindrical portion located at an end of the recess remote from the bolt shank and a conical portion located at an end of the recess close to the bolt shank, the cylindrical portion having a diameter equal to a maximum diameter of the conical portion, and the internal thread is provided on an inner side wall of the cylindrical portion.
Preferably, the bolt rod comprises a threaded column and a guide column, the thread is arranged on the threaded column, the end part of the guide column connected with the threaded column is of a cambered surface structure or an inclined surface structure, a hemispherical guide part is arranged at the end part of the guide column, and the diameter of the hemispherical guide part is equal to that of the guide column.
Preferably, the crest of the thread is of a planar or curved configuration.
Preferably, the end surface of the bolt head away from the bolt rod is connected with the side surface of the bolt head through a curved surface.
Preferably, the diameter of the hemispherical guide is smaller than the maximum diameter of the bolt head.
Preferably, the length of the bolt head is less than the length of the bolt rod.
Preferably, the outer diameter of the thread is smaller than the maximum diameter of the bolt head.
Compared with the prior art, the beneficial effects of the utility model are that: the end part of the bolt rod is designed into ball head guide, so that the guide performance is better during assembly and is not limited by the assembly direction; the hemispherical guide piece is smooth and burr-free, has attractive appearance, and simultaneously has larger stress area, less harm to the human body and better safety.
Drawings
Fig. 1 is a schematic structural view of a ball head guide bolt for fastening an automobile according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a bolt shaft according to another embodiment of the present invention.
Detailed Description
In order to further understand the objects, structures, features and functions of the present invention, the following embodiments are described in detail.
Please refer to fig. 1, the utility model discloses a bulb guide bolt for automobile fastening, including bolt head 1 and shank of bolt 2, be equipped with screw thread 21 on the shank of bolt 2, the tip of shank of bolt 2 is equipped with hemisphere guide 22, and hemisphere guide 22's diameter 2R equals the internal diameter d of screw thread, and the tip that bolt head 1 is connected with shank of bolt 2 is ARC structure or inclined plane structure, and the central point of bolt head 1 puts and is equipped with recess 3, is equipped with internal thread 4 on the inside wall of recess 3.
Referring to fig. 2, fig. 2 is a schematic structural view of a bolt bar according to another embodiment of the present invention. Compared with the embodiment of fig. 1, the embodiment shown in fig. 2 mainly changes the bolt bar, and the other parts are basically the same as the embodiment of fig. 1, so fig. 2 only shows the structural schematic diagram of the bolt bar. The embodiment of fig. 2 differs from the embodiment of fig. 1 in that: the bolt rod 20 comprises a threaded column 201 and a guide column 202, wherein threads 203 are arranged on the threaded column 201, the end part of the threaded column 201, which is connected with the guide column 202, is of an arc surface structure or an inclined surface structure, a hemispherical guide part 204 is arranged at the end part of the guide column 202, and the diameter of the hemispherical guide part 204 is equal to that of the guide column 202.
Preferably, the recess 3 includes a cylindrical portion 31 and a conical portion 32, the cylindrical portion 31 being located at an end of the recess 3 remote from the bolt shank 2, the conical portion 32 being located at an end of the recess 3 close to the bolt shank 2, the diameter of the cylindrical portion 31 being equal to the maximum diameter of the conical portion 32, and the internal thread 4 being provided on an inner side wall of the cylindrical portion 31.
Preferably, the crest of the thread 21 (or 203) is a plane structure or a curved surface structure, so as to increase the stress area, reduce the injury and improve the safety.
Preferably, the end face of the bolt head 1, which is far away from the bolt rod 2, is connected with the side face of the bolt head 1 through a curved surface, so that the stress area is increased, the damage is reduced, and the safety is improved.
Preferably, the diameter of the hemispherical guide 22 (or 204) is smaller than the maximum diameter D of the bolt head 1.
Preferably, the length K of the bolt head 1 is smaller than the length L of the bolt shaft 2 (or 20).
Preferably, the outer diameter M of the thread 21 (or 203) is smaller than the maximum diameter D of the bolt head 1.
The end of shank of bolt adopts toper, half-cone, sphere etc. and traditional processing method is lathe work, the utility model discloses a one time rub the forming technique when car fastening is with bulb guide bolt's hemisphere guide adopts the thread rolling, product size is stable, and production efficiency increases substantially, and lathe work every minute 10 ~ 20, thread rolling shaping every minute can reach 70-100, has reduced manufacturing cost, has promoted market competition.
The ball head guide bolt for fastening the automobile has the advantages that the end part of the bolt rod is designed into the ball head guide, the guidance performance is better during assembly, and the ball head guide bolt is not limited by the assembly direction; the hemispherical guide piece is smooth and burr-free, has attractive appearance, and simultaneously has larger stress area, less harm to the human body and better safety.
The present invention has been described in relation to the above embodiments, which are only examples for implementing the present invention. It should be noted that the disclosed embodiments do not limit the scope of the invention. On the contrary, all changes and modifications which do not depart from the spirit and scope of the present invention are deemed to fall within the scope of the present invention.
Claims (8)
1. The utility model provides a bulb guide bolt for automobile fastening, includes bolt head and shank of bolt, be equipped with the screw thread on the shank of bolt, its characterized in that, the tip of shank of bolt is equipped with the hemisphere guide, the diameter of hemisphere guide equals the diameter of the tip of shank of bolt, the bolt head with the tip that the shank of bolt is connected is ARC structure or inclined plane structure, the central point of bolt head puts and is equipped with the recess, be equipped with the internal thread on the inside wall of recess.
2. A ball guide bolt for vehicle fastening according to claim 1, wherein said recess includes a cylindrical portion at an end of said recess remote from the bolt shank and a conical portion at an end of said recess close to the bolt shank, said cylindrical portion having a diameter equal to a maximum diameter of said conical portion, said internal thread being provided on an inner side wall of said cylindrical portion.
3. A ball guide bolt for vehicle fastening as defined in claim 1, wherein said bolt shank includes a threaded shank and a guide shank, said thread being provided on said threaded shank, the end of said guide shank connected to said threaded shank being of a cambered or beveled configuration, the end of said guide shank being provided with said hemispherical guide, the diameter of said hemispherical guide being equal to the diameter of said guide shank.
4. A ball guide bolt for vehicle fastening according to claim 1, wherein the crest of the thread has a flat or curved surface structure.
5. A ball guide bolt for vehicle fastening according to claim 1, wherein the end surface of the bolt head remote from the bolt shaft is connected to the side surface of the bolt head by a curved surface.
6. A ball guide bolt for vehicle fastening according to claim 1, wherein the hemispherical guide has a diameter smaller than the maximum diameter of the bolt head.
7. A ball guide bolt for vehicle fastening according to claim 1, wherein the length of the bolt head is smaller than the length of the bolt shaft.
8. A ball guide bolt for vehicle fastening according to claim 1, wherein an outer diameter of the thread is smaller than a maximum diameter of the bolt head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920642144.5U CN209838902U (en) | 2019-05-07 | 2019-05-07 | Bulb guide bolt for automobile fastening |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920642144.5U CN209838902U (en) | 2019-05-07 | 2019-05-07 | Bulb guide bolt for automobile fastening |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209838902U true CN209838902U (en) | 2019-12-24 |
Family
ID=68915742
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920642144.5U Expired - Fee Related CN209838902U (en) | 2019-05-07 | 2019-05-07 | Bulb guide bolt for automobile fastening |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209838902U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111795049A (en) * | 2020-07-23 | 2020-10-20 | 嘉兴圣龙五金科技股份有限公司 | Bulb guide bolt for automobile fastening |
| CN113635734A (en) * | 2021-08-20 | 2021-11-12 | 安徽江淮汽车集团股份有限公司 | Warm braw water pipe fixing device |
-
2019
- 2019-05-07 CN CN201920642144.5U patent/CN209838902U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111795049A (en) * | 2020-07-23 | 2020-10-20 | 嘉兴圣龙五金科技股份有限公司 | Bulb guide bolt for automobile fastening |
| CN113635734A (en) * | 2021-08-20 | 2021-11-12 | 安徽江淮汽车集团股份有限公司 | Warm braw water pipe fixing device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209838902U (en) | Bulb guide bolt for automobile fastening | |
| KR100959296B1 (en) | Self-tapping screw, blank, method and dies for making the same and method for joining thin workpieces | |
| CN104963927A (en) | Flanging and riveting self-locking nut and machining method thereof | |
| CN110814267B (en) | Manufacturing process of oxygen sensor nut for automobile | |
| CN204061483U (en) | Hexagonal nylon nut | |
| CN204716710U (en) | One turns over riveting self-locking nut | |
| CN204553476U (en) | For the special rapid shaping bolt of plastics | |
| CN208397108U (en) | A kind of locking self-clinching nut | |
| CN207921086U (en) | Cavity proximate matter swivel nut | |
| CN201973046U (en) | Connecting structure for steel plate riveted nylon self-locking nuts | |
| CN214092600U (en) | Bolt bushing assembly | |
| CN213235766U (en) | Locking fastening assembly that moves with bearing structure | |
| CN209838877U (en) | Ceiling bolt | |
| CN208764087U (en) | A kind of ball screw nut | |
| CN210318130U (en) | Anti-loosening nut | |
| CN210318125U (en) | Fastening device | |
| CN203516375U (en) | Self-tapping anti-disengaging bolt | |
| CN215058724U (en) | Rivet connection structure | |
| CN210290438U (en) | Anti-loose positioning multifunctional customized connecting piece | |
| CN203441935U (en) | Screw structure of six-roller reversing mill | |
| CN206046974U (en) | Tapered roller bearing ring forges continuous mould | |
| CN206972687U (en) | One kind hammer nail setscrew | |
| CN210565623U (en) | Wire blank for eccentric screw machining | |
| CN206046988U (en) | Wheel hub inner ring forges continuous mould | |
| CN214641640U (en) | Novel go up swivel nut frock |
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: 20191224 |