CN204493937U - The outer silk loose joint of cold-heading and semi-finished product thereof - Google Patents
The outer silk loose joint of cold-heading and semi-finished product thereof Download PDFInfo
- Publication number
- CN204493937U CN204493937U CN201420852728.2U CN201420852728U CN204493937U CN 204493937 U CN204493937 U CN 204493937U CN 201420852728 U CN201420852728 U CN 201420852728U CN 204493937 U CN204493937 U CN 204493937U
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- China
- Prior art keywords
- loose joint
- finished product
- outer silk
- silk loose
- semi
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- 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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- 239000011265 semifinished product Substances 0.000 title claims abstract description 26
- 238000004519 manufacturing process Methods 0.000 claims abstract description 10
- 230000007704 transition Effects 0.000 claims description 6
- 230000007423 decrease Effects 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The utility model provides the outer silk loose joint of a kind of cold-heading and semi-finished product thereof, and described outer silk loose joint semi-finished product outer side wall is provided with rounded shoulders, described rounded shoulders be connected with outer-hexagonal portion, described outer-hexagonal portion is connected with cylindrical part; The through-hole wall of described half-finished inside is provided with the first end difference from cylindrical part successively toward rounded shoulders direction, the second end difference, the 3rd end difference.Outer silk loose joint semi-finished product provided by the utility model and the outer silk loose joint of being made up of it, the good and simplified manufacturing process of versatility, decreases mould development quantity, greatly reduces cost of production, improve manufacturing efficiency.
Description
Technical field
The utility model relates to the outer silk loose joint of water pipe and manufactures field, the outer silk loose joint of be specially the outer silk loose joint semi-finished product of a kind of cold-heading, being made up of these semi-finished product.
Background technique
Outer silk loose joint is the indispensable component that water pipe connects, the structure of outer silk loose joint is varied, different according to the place used, even if the outer silk loose joint that agent structure is identical, its connecting thread is also inconsistent or local detail is inconsistent, therefore how by designing the outer silk loose joint semi-finished product of general structure, the outer silk loose joint semi-finished product of same cold-heading are utilized to manufacture the outer silk loose joint of different cultivars, reduce the kind of cold upsetting die of car, reducing the cost of production of enterprise, is the target that all outer silk loose joint manufacture those skilled in the art need to make great efforts.
Model utility content
For the problems referred to above, the outer silk loose joint that the utility model provides the outer silk loose joint semi-finished product of a kind of cold-heading and is made up of it.
The technical solution adopted in the utility model is, first build the outer silk loose joint semi-finished product of a kind of cold-heading, described outer silk loose joint semi-finished product outer side wall is provided with rounded shoulders, described rounded shoulders be connected with outer-hexagonal portion, described outer-hexagonal portion is connected with cylindrical part; The through-hole wall of described half-finished inside is provided with the first end difference from cylindrical part successively toward rounded shoulders direction, the second end difference, the 3rd end difference.
Further, transition cambered surface is provided with between described 3rd end difference and the exterior edge face of described rounded shoulders.
Further, also fillet is provided with between the exterior edge face of described rounded shoulders and outer side wall.
Further, also fillet is provided with between the exterior edge face of described rounded shoulders and outer side wall.
Further, also transition arc is provided with between described cylindrical part exterior edge face and the first end difference.
Further, the hexagonal in described outer-hexagonal portion is equipped with bevelling, is also provided with fillet between outer-hexagonal portion and cylindrical part.
The utility model also builds a kind of outer silk loose joint of being made up of the outer silk loose joint semi-finished product of above-mentioned cold-heading, and described rounded shoulders is provided with the first screw thread, and described cylindrical part is provided with the second screw thread.
Further, the pitch of described first screw thread is greater than the pitch of described second screw thread.
Compared with prior art, outer silk loose joint semi-finished product provided by the utility model and the outer silk loose joint of being made up of it, the good and simplified manufacturing process of versatility, decreases mould development quantity, greatly reduces cost of production, improve manufacturing efficiency.
Accompanying drawing explanation
Fig. 1 is the half-finished schematic perspective view of the utility model.
Fig. 2 is the sectional view of Fig. 1.
Fig. 3 is the schematic perspective view of the outer silk loose joint of model utility.
Embodiment
Set forth a lot of detail in the following description so that fully understand the utility model.But the utility model can be much different from alternate manner described here to implement, those skilled in the art can when doing similar popularization without prejudice to when the utility model intension, and therefore the utility model is by the restriction of following public specific embodiment.
Below in conjunction with drawings and Examples, embodiment of the present utility model is described further.
Embodiment 1
In the present embodiment, by reference to the accompanying drawings, structure of the present utility model is described in detail.
Refer to Fig. 1 to Fig. 2, the outer silk loose joint semi-finished product of a kind of cold-heading that the utility model provides, described outer silk loose joint semi-finished product outer side wall is provided with rounded shoulders 1, described rounded shoulders 1 be connected with outer-hexagonal portion 2, described outer-hexagonal portion 2 is connected with cylindrical part 3; The through-hole wall of described half-finished inside is provided with the first end difference 4, second end difference the 5, three end difference 6 successively from cylindrical part 3 toward rounded shoulders 1 direction.Transition cambered surface 7 is provided with between described 3rd end difference 6 and the exterior edge face of described rounded shoulders 1.Also fillet is provided with between the exterior edge face of described rounded shoulders 1 and outer side wall.Also fillet is provided with between the exterior edge face of described rounded shoulders 1 and outer side wall.Transition arc 8 is also provided with between described cylindrical part 3 exterior edge face and the first end difference 4.The hexagonal in described outer-hexagonal portion 2 is equipped with bevelling, is also provided with fillet between outer-hexagonal portion 2 and cylindrical part 3.
Embodiment 2
In the present embodiment, by reference to the accompanying drawings, structure of the present utility model is described in detail.
Refer to Fig. 1 to Fig. 3, the utility model also builds a kind of outer silk loose joint of being made up of the outer silk loose joint semi-finished product of above-mentioned cold-heading, and described rounded shoulders 1 is provided with the first screw thread, and described cylindrical part 3 is provided with the second screw thread.The pitch of described first screw thread is greater than the pitch of described second screw thread.
Although the utility model with preferred embodiment openly as above; but it is not for limiting the utility model; any those skilled in the art are not departing from spirit and scope of the present utility model; can make possible variation and amendment, the scope that therefore protection domain of the present utility model should define with the utility model claim is as the criterion.
Claims (8)
1. the outer silk loose joint semi-finished product of cold-heading, it is characterized in that, described outer silk loose joint semi-finished product outer side wall is provided with rounded shoulders (1), the outer-hexagonal portion that is connected with (2) of described rounded shoulders (1), and described outer-hexagonal portion (2) is connected with cylindrical part (3); The through-hole wall of described semi-finished product inside is provided with the first end difference (4) from cylindrical part (3) successively toward rounded shoulders (1) direction, the second end difference (5), the 3rd end difference (6).
2. the outer silk loose joint semi-finished product of a kind of cold-heading according to claim 1, is characterized in that, be provided with transition cambered surface (7) between described 3rd end difference (6) and the exterior edge face of described rounded shoulders (1).
3. the outer silk loose joint semi-finished product of a kind of cold-heading according to claim 1, is characterized in that, be also provided with fillet between the exterior edge face of described rounded shoulders (1) and outer side wall.
4. the outer silk loose joint semi-finished product of a kind of cold-heading according to claim 1, is characterized in that, be also provided with fillet between the exterior edge face of described rounded shoulders (1) and outer side wall.
5. the outer silk loose joint semi-finished product of a kind of cold-heading according to claim 1, is characterized in that, be also provided with transition arc (8) between described cylindrical part (3) exterior edge face and the first end difference (4).
6. the outer silk loose joint semi-finished product of a kind of cold-heading according to claim 1, it is characterized in that, the hexagonal of described outer-hexagonal portion (2) is equipped with bevelling, is also provided with fillet between outer-hexagonal portion (2) and cylindrical part (3).
7. an outer silk loose joint, is characterized in that, it is formed by the outer silk loose joint semi-finished product manufacture of the cold-heading as described in claim 1-6, and described rounded shoulders (1) is provided with the first screw thread, and described cylindrical part (3) is provided with the second screw thread.
8. outer silk loose joint according to claim 7, is characterized in that, the pitch of described first screw thread is greater than the pitch of described second screw thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420852728.2U CN204493937U (en) | 2014-12-30 | 2014-12-30 | The outer silk loose joint of cold-heading and semi-finished product thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420852728.2U CN204493937U (en) | 2014-12-30 | 2014-12-30 | The outer silk loose joint of cold-heading and semi-finished product thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204493937U true CN204493937U (en) | 2015-07-22 |
Family
ID=53573255
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420852728.2U Expired - Fee Related CN204493937U (en) | 2014-12-30 | 2014-12-30 | The outer silk loose joint of cold-heading and semi-finished product thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204493937U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106287032A (en) * | 2016-09-12 | 2017-01-04 | 周杰 | External thread type snap joint is used in a kind of blower fan drain pipe docking |
-
2014
- 2014-12-30 CN CN201420852728.2U patent/CN204493937U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106287032A (en) * | 2016-09-12 | 2017-01-04 | 周杰 | External thread type snap joint is used in a kind of blower fan drain pipe docking |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150722 |