CN201661804U - Dead-hole studding type tubing head four-way joint - Google Patents
Dead-hole studding type tubing head four-way joint Download PDFInfo
- Publication number
- CN201661804U CN201661804U CN2010201164059U CN201020116405U CN201661804U CN 201661804 U CN201661804 U CN 201661804U CN 2010201164059 U CN2010201164059 U CN 2010201164059U CN 201020116405 U CN201020116405 U CN 201020116405U CN 201661804 U CN201661804 U CN 201661804U
- Authority
- CN
- China
- Prior art keywords
- tubing head
- hole
- studding
- way joint
- 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
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Abstract
The utility model relates to a dead-hole studding type tubing head four-way joint, which is widely applied in a wellhead device in an oil field and belongs to the field of mechanical manufacturing of petroleum equipment. The dead-hole studding type tubing head four-way joint comprises a sleeve head body, a tubing head four-way joint and a single-head bolt nut, and is characterized in that the lower part of the tubing head four-way joint is provided with a dead hole which is provided with studding; and the single-head bolt nut passes through a flange hole at the upper end of a sleeve head body and then enters the dead hole arranged at the lower part of the tubing head four-way joint to be connected tightly with the tubing head four-way joint. The dead-hole studding type tubing head four-way joint has the advantages of small volume, small height space, light weight and the like.
Description
Technical field
The utility model relates to a kind of blind hole studding formula tubing head four-way, is widely used in the oil field shaft mouth device, belongs to oil equipment mechanical manufacturing field.
Background technique
The tubing head four-way that is used for the oil field shaft mouth device at present all adopts flange plate up and down, and utilization stud bolt and double nut are fastenedly connected the flange on casing head and the tubing head respectively.Thereby caused device volume huge, and especially bigger on the height, make installation, maintenance, operation seem very inconvenient.Therefore adopting a kind ofly can make the Placement that volume, height space diminish, the function needs are satisfied in weight saving again, is very necessary.
Summary of the invention
At the bigger problem of the existing height of Placement between tubing head four-way and casing head, the tubing head in the present oil field shaft mouth device, the utility model proposes a kind of blind hole studding formula tubing head four-way.
To achieve these goals, the utility model takes following technological scheme to implement: it is made of casing head body, tubing head four-way, single ended bolt mother.It is characterized in that described tubing head four-way bottom is provided with blind hole, and be provided with studding in the hole; Single ended bolt mother passes blind hole and the tubing head four-way and tight that bottom that casing head body upper flanges hole enters the tubing head four-way is provided with.
The utlity model has advantages such as volume is little, height space is little, in light weight.
Description of drawings
Accompanying drawing 1 is looked the sectional structure schematic representation for master of the present utility model;
In accompanying drawing 1: 1 casing head body, 2 tubing head four-ways, 3 single ended bolt mothers.
Embodiment
As shown in Figure 1, the lower bottom part of tubing head four-way 2 is not provided with flange, thereby tubing head four-way 2 reduced the height identical with flange edge thickness, upwards offers several blind holes at the lower bottom part of the tubing head four-way 2 that flange is not set simultaneously, and studding is set in blind hole.Use single ended bolt mother 3 directly to pass blind hole studding that flange hole that casing head body 1 top is provided with and tubing head four-way 2 bottoms are provided with simultaneously with tubing head four-way 2 and casing head body 1 and tight.Thereby reduce the height of former tubing head four-way.
Claims (2)
1. blind hole studding formula tubing head four-way, it is made of casing head body, tubing head four-way, single ended bolt mother, it is characterized in that described tubing head four-way bottom is provided with blind hole, and is provided with studding in the hole.
2. a kind of blind hole studding formula tubing head four-way according to claim 1 is characterized in that the single ended bolt mother passes blind hole and tubing head four-way and tight that bottom that casing head body upper flanges hole enters the tubing head four-way is provided with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201164059U CN201661804U (en) | 2010-02-12 | 2010-02-12 | Dead-hole studding type tubing head four-way joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201164059U CN201661804U (en) | 2010-02-12 | 2010-02-12 | Dead-hole studding type tubing head four-way joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201661804U true CN201661804U (en) | 2010-12-01 |
Family
ID=43232219
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201164059U Expired - Fee Related CN201661804U (en) | 2010-02-12 | 2010-02-12 | Dead-hole studding type tubing head four-way joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201661804U (en) |
-
2010
- 2010-02-12 CN CN2010201164059U patent/CN201661804U/en not_active Expired - Fee Related
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101201 Termination date: 20160212 |