CN203214534U - Half-thread hexagonal bolt - Google Patents
Half-thread hexagonal bolt Download PDFInfo
- Publication number
- CN203214534U CN203214534U CN 201320069324 CN201320069324U CN203214534U CN 203214534 U CN203214534 U CN 203214534U CN 201320069324 CN201320069324 CN 201320069324 CN 201320069324 U CN201320069324 U CN 201320069324U CN 203214534 U CN203214534 U CN 203214534U
- Authority
- CN
- China
- Prior art keywords
- head
- hexagonal head
- hexagonal
- bolt
- partial thread
- 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
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- Polishing Bodies And Polishing Tools (AREA)
Abstract
The utility model discloses a half-thread hexagonal bolt. The half-thread hexagonal bolt comprises a first outer hexagonal head (1), a polish rod (2) and a screw (3) and is characterized in that a second outer hexagonal head (4) is further arranged at the outer end of the first outer hexagonal head (1), the outer diameter of the second outer hexagonal head (4) is smaller than that of the first outer hexagonal head, and the head portion of the first outer hexagonal head (1) is provided with a radial through hole (1.1). The half-thread hexagonal bolt has good applicability to a spanner.
Description
Technical field
The utility model relates to fastening piece, specifically is a kind of partial thread hex head bolt.
Background technique
Present partial thread hex head bolt comprises bolt head, polished rod and screw rod, the bolt of this routine is actual to exist following shortcoming when using: only be suitable for a kind of specification spanner because the outer-hexagonal size of bolt head is general, when turning, can only adopt a kind of spanner of specification, poor for applicability.
The model utility content
The technical problems to be solved in the utility model is to provide a kind of spanner applicability good partial thread hex head bolt.
The technical solution of the utility model is, a kind of partial thread hex head bolt with following structure is provided, and comprises the first outer-hexagonal head, polished rod and screw rod; The outer end of the described first outer-hexagonal head also is provided with the second outer-hexagonal head, and the second outer-hexagonal head outer diameter is less than the first outer-hexagonal head, and the head of the described first outer-hexagonal head is provided with radial direction through hole.
The described second outer-hexagonal head pastes mutually with the first outer-hexagonal head.
The center of the center of the described first outer-hexagonal head and the second outer-hexagonal head is on same straight line.
After adopting said structure, the utility model compared with prior art, have the following advantages: because the outer end of the described first outer-hexagonal head also is provided with the second outer-hexagonal head, and the second outer-hexagonal head outer diameter is less than the first outer-hexagonal head, when pulling, be suitable for the spanner of two kinds of specifications, applicability is good.Because the head of the described first outer-hexagonal head is provided with radial direction through hole, and the strip instrument can pass radial direction through hole wrenching bolt again, applicability is good again.
Description of drawings
Accompanying drawing 1 is the structural representation of partial thread hex head bolt of the present utility model.
Accompanying drawing 2 is schematic side view of the present utility model.
Shown in the figure, 1, the first outer-hexagonal head, 1.1, radial direction through hole, 2, polished rod, 3, screw rod, 4, the second outer-hexagonal head.
Embodiment
Below in conjunction with accompanying drawing the utility model partial thread hex head bolt is described further.
As shown in Figure 1 and Figure 2, partial thread hex head bolt of the present utility model comprises the first outer-hexagonal head 1, polished rod 2 and screw rod 3; The outer end of the described first outer-hexagonal head 1 also is provided with the second outer-hexagonal head 4, and the second outer-hexagonal head, 4 external diameters are less than the first outer-hexagonal head, and the head of the described first outer-hexagonal head 1 is provided with radial direction through hole 1.1.
The described second outer-hexagonal head 4 pastes mutually with the first outer-hexagonal head 1.
The center of the center of the described first outer-hexagonal head 1 and the second outer-hexagonal head 4 is on same straight line.
Claims (3)
1. a partial thread hex head bolt comprises the first outer-hexagonal head (1), polished rod (2) and screw rod (3); It is characterized in that: the outer end of the described first outer-hexagonal head (1) also is provided with the second outer-hexagonal head (4), and second outer-hexagonal head (4) external diameter is less than the first outer-hexagonal head, and the head of the described first outer-hexagonal head (1) is provided with radial direction through hole (1.1).
2. partial thread hex head bolt according to claim 1, it is characterized in that: the described second outer-hexagonal head (4) pastes mutually with the first outer-hexagonal head (1).
3. partial thread hex head bolt according to claim 1, it is characterized in that: the center of the center of the described first outer-hexagonal head (1) and the second outer-hexagonal head (4) is on same straight line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320069324 CN203214534U (en) | 2013-02-05 | 2013-02-05 | Half-thread hexagonal bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320069324 CN203214534U (en) | 2013-02-05 | 2013-02-05 | Half-thread hexagonal bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203214534U true CN203214534U (en) | 2013-09-25 |
Family
ID=49204077
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320069324 Expired - Fee Related CN203214534U (en) | 2013-02-05 | 2013-02-05 | Half-thread hexagonal bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203214534U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107175607A (en) * | 2016-11-17 | 2017-09-19 | 向文钊 | Many header structure outer-hexagonal screwdrivers |
-
2013
- 2013-02-05 CN CN 201320069324 patent/CN203214534U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107175607A (en) * | 2016-11-17 | 2017-09-19 | 向文钊 | Many header structure outer-hexagonal screwdrivers |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130925 Termination date: 20140205 |