CN102777465A - Composite bolt - Google Patents
Composite bolt Download PDFInfo
- Publication number
- CN102777465A CN102777465A CN2012102776145A CN201210277614A CN102777465A CN 102777465 A CN102777465 A CN 102777465A CN 2012102776145 A CN2012102776145 A CN 2012102776145A CN 201210277614 A CN201210277614 A CN 201210277614A CN 102777465 A CN102777465 A CN 102777465A
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- Prior art keywords
- bolt
- composite
- heads
- present
- inner bolt
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Abstract
The invention relates to a composite bolt, composed of an inner bolt and an outer bolt, wherein an external thread is arranged outside the inner bolt; an internal threaded hole matched with the external thread is arranged in the middle of the outer bolt; heads of the inner bolt and the outer bolt are hexagonal; and ends of the inner bolt and the outer bolt are provided with inner hexagon counter bores. The composite bolt provided by the invention has the advantages that structure is simple; heads of two bolts matched with each other are provided with inner hexagon counter bores, so that the composite bolt is suitable for products having higher demand on appearance; and two bolts have good connecting property, so that the composite bolt does not fall off easily, and connecting property is ensured.
Description
Technical field
The present invention relates to a kind of five metals screw, relate in particular to a kind of composite bolt.
Background technique
Screw is popularized in people's life as a kind of easy-to-dismount connector element.Because the difference of application area, therefore, the kind of screw is also very many, and mostly common screw is single body, need offer tapped hole in the installation position during installation, so production process is comparatively complicated.Need the accessory of two boards shape be connected when some product is installed and fix, existing method is to pass connected piece through bolt mostly, is fixedly connected through nut then; This Placement influences outward appearance on the one hand; Bolt, nut expose at product outside, on the other hand, and long-time the use; Nut is lax easily, influences product and connects.
Summary of the invention
Technical problem to be solved by this invention is a kind of product appearance that do not influence to be provided, the composite bolt that is connected firmly.
In order to solve the problems of the technologies described above; The present invention realizes through following technological scheme: a kind of composite bolt; Form by inner bolt and outer bolt; Said inner bolt outer installment has outside thread, and the outer bolt intermediate portion is provided with the interior threaded hole that cooperates with said outside thread, and said inner bolt and outer bolt head all are arranged to Hexagon.
In order to be applicable to the appearance requirement degree than high product, further, said inner bolt and outer bolt end are provided with interior hexagonal counterbore.
Compared with prior art, usefulness of the present invention is: this composite bolt is simple in structure, hexagonal counterbore in two bolt heads that cooperatively interact are provided with; Go for appearance requirement degree high product; And two bolt switching performances are good, and difficult drop-off guarantees switching performance.
Description of drawings:
Below in conjunction with accompanying drawing the present invention is further specified.
Fig. 1 is a kind of composite bolt structural representation of the present invention;
Fig. 2 is a kind of composite bolt plan view of the present invention;
Fig. 3 is the structure sectional view of A-A among Fig. 2.
Among the figure: 1, inner bolt; 2, outer bolt; 3, interior hexagonal counterbore; 4, interior threaded hole; 5, outside thread.
Embodiment:
Describe the present invention below in conjunction with accompanying drawing and embodiment:
Fig. 1, Fig. 2 and a kind of composite bolt shown in Figure 3; Form by inner bolt 1 and outer bolt 2; Said inner bolt 1 outer installment has outside thread 5; Outer bolt 2 intermediate portions are provided with the interior threaded hole 4 that cooperates with said outside thread 5, and said inner bolt 1 all is arranged to Hexagon with outer bolt 2 heads, are easy for installation and removal; Therefore hexagonal counterbore 3 in the end of said inner bolt 1 and outer bolt 2 is provided with goes for the appearance requirement degree is compared high product.
Its concrete mounting type is following; At first between connected two objects, hole; The aperture is more bigger than the external diameter of outer bolt 2, but less than the head diameter of inner bolt 1 and outer bolt 2, then outer bolt 2 is put into the preset hole of connected piece; Again inner bolt 1 and outer bolt 2 are connected, can connected piece be fixed together; For appearance requirement degree high product, can on connected piece, offer counter sink, place in the counter sink after can conveniently inner bolt 1 and outer bolt 2 heads being installed like this, do not influence product appearance.
This composite bolt is simple in structure, and hexagonal counterbore 3 in two bolt heads that cooperatively interact are provided with go for appearance requirement degree high product, and two bolt switching performances is good, and difficult drop-off guarantees switching performance.
It is emphasized that: above only is preferred embodiment of the present invention; Be not that the present invention is done any pro forma restriction; Every foundation technical spirit of the present invention all still belongs in the scope of technological scheme of the present invention any simple modification, equivalent variations and modification that above embodiment did.
Claims (2)
1. composite bolt; It is characterized in that: form by inner bolt (1) and outer bolt (2); Said inner bolt (1) outer installment has outside thread (5); Outer bolt (2) intermediate portion is provided with the interior threaded hole (4) that cooperates with said outside thread (5), and said inner bolt (1) and outer bolt (2) head all are arranged to Hexagon.
2. composite bolt according to claim 1 is characterized in that: said inner bolt (1) and outer bolt (2) end are provided with interior hexagonal counterbore (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102776145A CN102777465A (en) | 2012-08-07 | 2012-08-07 | Composite bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102776145A CN102777465A (en) | 2012-08-07 | 2012-08-07 | Composite bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102777465A true CN102777465A (en) | 2012-11-14 |
Family
ID=47122511
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012102776145A Pending CN102777465A (en) | 2012-08-07 | 2012-08-07 | Composite bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102777465A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107420410A (en) * | 2017-07-29 | 2017-12-01 | 马鞍山市金潮橡胶技术研发科技有限公司 | A kind of tubaeform anti-loosening bolt |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09229038A (en) * | 1996-02-20 | 1997-09-02 | O S G Kk | Screw member, screw fastening construction, and cutting tool |
| CN101135335A (en) * | 2007-08-24 | 2008-03-05 | 宁波东港紧固件制造有限公司 | Assembling bolt |
| CN201121633Y (en) * | 2007-08-24 | 2008-09-24 | 宁波东港紧固件制造有限公司 | Combined screw |
-
2012
- 2012-08-07 CN CN2012102776145A patent/CN102777465A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09229038A (en) * | 1996-02-20 | 1997-09-02 | O S G Kk | Screw member, screw fastening construction, and cutting tool |
| CN101135335A (en) * | 2007-08-24 | 2008-03-05 | 宁波东港紧固件制造有限公司 | Assembling bolt |
| CN201121633Y (en) * | 2007-08-24 | 2008-09-24 | 宁波东港紧固件制造有限公司 | Combined screw |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107420410A (en) * | 2017-07-29 | 2017-12-01 | 马鞍山市金潮橡胶技术研发科技有限公司 | A kind of tubaeform anti-loosening bolt |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20121114 |