CN203023227U - Fastening part - Google Patents
Fastening part Download PDFInfo
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- CN203023227U CN203023227U CN 201320006962 CN201320006962U CN203023227U CN 203023227 U CN203023227 U CN 203023227U CN 201320006962 CN201320006962 CN 201320006962 CN 201320006962 U CN201320006962 U CN 201320006962U CN 203023227 U CN203023227 U CN 203023227U
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- bolt
- profile
- nut
- fastener
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- Expired - Lifetime
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- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
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Abstract
The utility model discloses a fastening part. The fastening part comprises a bolt and a nut matched with the bolt, wherein a profile block which is matched with a profile hole in a fastened part is arranged at one side of the nut of the bolt close to the screwed thread; the section area of the nut is more than that of the profile hole on the fastened part, and the thickness of the profile block is less than or equal to that of the fastened part; and the bolt passes through the profile hole in the fastened part and is in fit connection with the nut. When the fastening part is assembled, self-positioning of the bolt can be achieved by matching the profile block and the profile hole on the fastened part, and the bolt is not required to be fixed by other tools, so that the fastening part can be assembled in a narrow space, the assembly operation complexity can be reduced, and the production efficiency can be improved.
Description
Technical field
The utility model relates to the mechanical fitting technical field, particularly a kind of fastening piece.
Background technique
In the mechanical fitting technical field, bolt is a kind of fastening piece that is widely used, and it forms by nut with externally threaded cylindrical body two-part, needs to coordinate with nut, is used for being fastenedly connected two with the part of through hole.Bolt has many types, such as pressing the classification of nut profile, hex head bolt, flat snap bolt, ball stud etc. is arranged, wherein, ball stud is the threaded fastener with sphere structure shaped head, in all trades and professions, application is arranged, and particularly in automobile industry, purposes is very widely arranged.
In prior art, when using bolt to assemble, need to insert bolt pilot hole from a side with externally threaded barrel portion, coordinate with the nut of opposite side and tighten, in order to prevent that bolt from rotating, need to utilize the nut part of instrument fixing bolt in this course, make when small space assembles, operation inconvenience affects working efficiency.
Therefore, how to optimize the structure of bolt in fastening piece, make it easy to assemble at small space, reduce the assembly manipulation complexity, and then enhance productivity, become the important technological problems that those skilled in the art need to be resolved hurrily.
The model utility content
In view of this, main purpose of the present utility model is to provide a kind of fastening piece, to realize reducing assembly manipulation complexity, the purpose of enhancing productivity.
For achieving the above object, the utility model provides following technological scheme:
A kind of fastening piece, comprise bolt and the nut that coordinates with described bolt, the nut of described bolt is provided with a profile piece that coordinates with profile hole on fastener near a side of screw thread, described nut sectional area is greater than the sectional area of described fastener mo(u)ld top half face, the thickness of described profile piece is less than or equal to the thickness of described fastener, and profile hole and described nut that described bolt passes on described fastener are connected.
Preferably, the cross section of described profile piece is polygonal.
Preferably, the cross section of described profile piece is regular polygon.
Preferably, the cross section of described profile piece is oval.
Preferably, the cross section of described profile piece comprises a circular arc and the straight line that is connected with the two ends of this circular arc.
Preferably, two relative limits of the cross section of described profile piece are circular arc, and another two limits are two parallel lines.
Preferably, described two parallel lines is equal in length.
Preferably, described bolt is ball stud, and the nut of described ball stud comprises bulb and clamping section, and described profile piece is positioned at clamping section near a side of screw thread, and described clamping section sectional area is greater than the sectional area of described fastener mo(u)ld top half face.
Preferably, the clamping section of described ball stud is hexagonal cylindricality or cylindrical.
Preferably, the profile hole on described fastener and described profile piece are Spielpassung.
Can find out from such scheme, the fastening piece that the utility model provides, comprise bolt and the nut that coordinates with bolt, the nut of bolt is provided with a profile piece that coordinates with profile hole on fastener near a side of screw thread, the nut sectional area is greater than the sectional area of fastener mo(u)ld top half face, the thickness of profile piece is less than or equal to the thickness of fastener, and profile hole and nut that bolt passes on fastener are connected.In assembling, only the profile hole on profile piece and fastener need to be coordinated to reach the self-align of bolt, not need to re-use other instruments bolt is fixed, be convenient to assemble at small space, reduce the assembly manipulation complexity, improved manufacturing efficiency.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technological scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or description of the Prior Art, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The plan view of the fastening piece that Fig. 1 provides for the utility model embodiment and fastener assembling;
The plan view of the fastening piece that Fig. 2 provides for the utility model embodiment and fastener assembling;
The plan view of the ball stud that Fig. 3 provides for the utility model embodiment;
The side view of the ball stud that Fig. 4 provides for the utility model embodiment.
Embodiment
The utility model provides a kind of fastening piece, so that it is convenient to assemble at small space, has reduced the assembly manipulation complexity, and then has enhanced productivity.
Below in conjunction with the accompanying drawing in the utility model embodiment, the technological scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiments.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment who obtains under the creative work prerequisite, all belong to the scope of the utility model protection.
See also Fig. 1 and Fig. 2, the plan view of the fastening piece that Fig. 1 provides for the utility model embodiment and fastener assembling; The plan view of the fastening piece that Fig. 2 provides for the utility model embodiment and fastener assembling.
The utility model provides a kind of fastening piece, comprises bolt 2 and the nut that coordinates with described bolt 2, and profile hole and nut that bolt 2 passes on fastener 4 are connected.
Core improvement of the present utility model is, the nut 1 of bolt 2 is provided with the profile piece 3 that matches with the profile hole on fastener 4 near a side of screw thread, nut 1 sectional area is greater than the sectional area of fastener 4 mo(u)ld top half faces, and the thickness of profile piece 3 is less than or equal to the thickness of fastener 4.
Compared with prior art, the fastening piece that the utility model provides is when assembling, profile hole on profile piece 3 and fastener 4 is coordinated, can reach the self-align of bolt 2, need not to use additional means that bolt 2 is fixed, make the fastening piece that the utility model provides be convenient to assemble at small space, reduced the assembly manipulation complexity, and then improved manufacturing efficiency.
Profile hole and profile piece 3 on fastener 4 can have various ways, its cross section also can be ellipse or polygonal etc., the cross section in the profile hole on fastener 4 is polygonal in the present embodiment, and the cross section of profile piece 3 is the polygonal that coordinates with it.
Polygonal comprises triangle, rectangle, quadrilateral, pentagon, Hexagon etc., it can be both regular polygon, it can be also irregular polygonal, the employing cross section is that the profile piece 3 of regular polygon can be when assembling, profile hole on its easier and fastener 4 is coordinated, more convenient to operate.
It is outside polygonal that the cross section of profile piece 3 is removed, and can also be the figure that is combined into by circular arc and straight line, and such as a circular arc is circular arc with the straight line that connects with the two ends of this circular arc or two relative limits, another two limits are two parallel lines.Wherein, be circular arc when the cross section of profile piece 3 adopts two relative limits, when another two limits are the figure of parallel lines, article two, the length of parallel lines can be the same or different, in in the utility model embodiment, these two parallel lines length are identical, adopt such shape, when assembling, can prevent that bolt 2 from rotating, realize self-alignly, be convenient to operate in small space, simultaneously, this figure is symplex structure, and profile piece 3 easier and profile hole on fastener 4 is coordinated.
The bolt 2 that uses in the utility model embodiment is ball stud, sees also Fig. 3 and Fig. 4, and it has application in all trades and professions, particularly in automobile industry, purposes is very widely arranged.The nut 1 of ball stud comprises two-part, and a part is bulb 11, and another part is clamping section 12, and profile piece 3 is positioned at clamping section 12 near a side of screw threads.Can there be various shape in the clamping section 12 of ball stud, such as cylindrical, hexagonal cylindricality etc.Profile hole and the profile piece on bolt 23 on fastener 4 are Spielpassung, so, make the location more accurate.
In this specification, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is and other embodiments' difference that between each embodiment, identical similar part is mutually referring to getting final product.
To the above-mentioned explanation of the disclosed embodiments, make related domain professional and technical personnel can realize or use the utility model.Multiple modification to these embodiments will be apparent concerning those skilled in the art, and General Principle as defined herein can be in the situation that do not break away from spirit or scope of the present utility model, realization in other embodiments.Therefore, the utility model will can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. fastening piece, comprise bolt (2) and the nut that coordinates with described bolt (2), it is characterized in that, the nut (1) of described bolt (2) is provided with a profile piece (3) that coordinates with profile hole on fastener (4) near a side of screw thread, described nut (1) sectional area is greater than the sectional area of described fastener (4) mo(u)ld top half face, the thickness of described profile piece (3) is less than or equal to the thickness of described fastener (4), and profile hole and described nut that described bolt (2) passes on described fastener (4) are connected.
2. fastening piece according to claim 1, is characterized in that, the cross section of described profile piece (3) is polygonal.
3. fastening piece according to claim 2, is characterized in that, the cross section of described profile piece (3) is regular polygon.
4. fastening piece according to claim 1, is characterized in that, the cross section of described profile piece (3) is oval.
5. fastening piece according to claim 1, is characterized in that, the cross section of described profile piece (3) comprises a circular arc and the straight line that is connected with the two ends of this circular arc.
6. fastening piece according to claim 1, is characterized in that, two relative limits of the cross section of described profile piece (3) are circular arc, and another two limits are two parallel lines.
7. fastening piece according to claim 6, is characterized in that, described two parallel lines equal in length.
8. fastening piece according to claim 1, it is characterized in that, described bolt (2) is ball stud, the nut of described ball stud (1) comprises bulb (11) and clamping section (12), described profile piece (3) is positioned at clamping section (12) near a side of screw thread, and described clamping section (12) sectional area is greater than the sectional area of described fastener (4) mo(u)ld top half face.
9. fastening piece according to claim 8, is characterized in that, the clamping section (12) of described ball stud is hexagonal cylindricality or cylindrical.
10. according to claim 1-9 described fastening pieces of any one, is characterized in that, the profile hole on described fastener (4) and described profile piece (3) are Spielpassung.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320006962 CN203023227U (en) | 2013-01-07 | 2013-01-07 | Fastening part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320006962 CN203023227U (en) | 2013-01-07 | 2013-01-07 | Fastening part |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203023227U true CN203023227U (en) | 2013-06-26 |
Family
ID=48647216
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320006962 Expired - Lifetime CN203023227U (en) | 2013-01-07 | 2013-01-07 | Fastening part |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203023227U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104179769A (en) * | 2014-08-07 | 2014-12-03 | 无锡安士达五金有限公司 | Double head step blind rivet |
| CN111022472A (en) * | 2019-12-26 | 2020-04-17 | 海盐县久力紧固件有限公司 | Round head bolt for vehicle |
-
2013
- 2013-01-07 CN CN 201320006962 patent/CN203023227U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104179769A (en) * | 2014-08-07 | 2014-12-03 | 无锡安士达五金有限公司 | Double head step blind rivet |
| CN111022472A (en) * | 2019-12-26 | 2020-04-17 | 海盐县久力紧固件有限公司 | Round head bolt for vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 4 / F, building 1, No.14 Jiuxianqiao Road, Chaoyang District, Beijing 100020 Patentee after: Beijing Jingwei Hirain Technologies Co.,Inc. Address before: 8 / F, block B, No. 11, Anxiang Beili, Chaoyang District, Beijing 100101 Patentee before: Beijing Jingwei HiRain Technologies Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130626 |