CN202731819U - Single-grade clip type casing head - Google Patents
Single-grade clip type casing head Download PDFInfo
- Publication number
- CN202731819U CN202731819U CN 201220246144 CN201220246144U CN202731819U CN 202731819 U CN202731819 U CN 202731819U CN 201220246144 CN201220246144 CN 201220246144 CN 201220246144 U CN201220246144 U CN 201220246144U CN 202731819 U CN202731819 U CN 202731819U
- Authority
- CN
- China
- Prior art keywords
- casing head
- joint ring
- pressing plate
- outside
- sleeve pipe
- 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 provides a single-grade clip type casing head, which is a device on an oil field well opening. The structural relationship is that the outer edge of the upper end of a casing is provided with a suspender body; a pressing plate is located in the suspender body; the top of a slip leans against the pressing plate; an inclined plane of the slip 7 leans against the suspender body; an inner O-shaped ring of a sealing ring is used for sealing and is fixed by a screw; a casing head body is fixedly arranged on the suspender body and is fixed by a suspender jack screw; a double-male short section of the casing is sleeved at the outer edge of the casing and is located in the casing head body; a valve is fixedly arranged on the casing head body through two bolts; the sealing ring is sleeved at the outer edge of the pressing plate and an outer O-shaped ring of the sealing ring is arranged outside the sealing ring; a sealing ring jack screw is arranged at the outer edge of the outer O-shaped ring of the sealing ring; and the right side of the casing head body is fixed by a bolt.
Description
Technical field: the utility model relates to a kind of oil-field well head device, especially the single-stage slip type casing head.
Background technology: at present each oil field well head used be slips suspension type sleeve head, this device is easy to operate with it, can choose at random advantage quilt each elephant approvals both at home and abroad such as the sleeve pipe below degree of depth, but the reason owing to itself structure, occasional the slips card occurs and does not live sleeve pipe or block rear situation about coming off again once vibrations, brings certain hidden danger and uncertainty for sleeve pipe hangs operation.
Summary of the invention: it is little that the purpose of this utility model provides a kind of volume, easy-operating single-stage slip type casing head, it has overcome the shortcoming that other technology exists, the purpose of this utility model is to realize like this, it is by the joint ring jackscrew, bolt, the outer O type circle of joint ring, joint ring, sleeve pipe, O type circle in the joint ring, slips, screw, pressing plate, the hanger body, the casing head body, the hanger jackscrew, valve, the two public affairs of sleeve pipe are formed by connecting, outside, upper end at sleeve pipe is installed with the hanger body, pressing plate is positioned at the hanger body, the top of slips 7 is near pressing plate, the inclined-plane of slips 7 is near the hanger body, then seal with O type circle in the joint ring, and be screwed; The casing head body is fixed on the hanger body, and fixes with the hanger jackscrew; The two public affairs of sleeve pipe are enclosed within the outside of sleeve pipe, and are positioned at the casing head body; Valve is bolted on the casing head body by two; Joint ring is being overlapped in the outside of pressing plate, and O type circle outside the joint ring is arranged in the outside of joint ring, and there is the joint ring jackscrew O type circle outside outside joint ring, has bolt to fix on the right side of casing head body.
The beneficial effects of the utility model: the one, can effectively solve slips hanger and hang insecure, as to cannot stand vibrations present situation; The 2nd, the use of joint ring can be carried out secondary seal to annular space, makes sealing performance more reliable; The 3rd, joint ring has substituted the greasing flange, and structure is simpler, and volume is less, more easily operation, and good sealing effect has been saved cost simultaneously.
Description of drawings: Fig. 1 is the structural representation of single-stage slip type casing head, and O type circle 7 among the figure 1, in the joint ring jackscrew 2, bolt 3, the outer O type circle 4 of joint ring, joint ring 5, sleeve pipe 6, joint ring, slips 8, screw 9, pressing plate 10, hanger body 11, casing head body 12, hanger jackscrew 13, valve 14, sleeve pipe are two public
Fig. 2 is the part modular construction schematic diagram in the single-stage slip type casing head, among the figure 7, slips 8, screw 9, pressing plate 10, hanger body
The specific embodiment: embodiment 1, the utility model is by joint ring jackscrew 1, bolt 2, the outer O type circle 3 of joint ring, joint ring 4, sleeve pipe 5, O type circle 6 in the joint ring, slips 7, screw 8, pressing plate 9, hanger body 10, casing head body 11, hanger jackscrew 12, valve 13, sleeve pipe two public 14 is formed by connecting, outside, upper end at sleeve pipe 5 is installed with hanger body 10, pressing plate 9 is positioned at hanger body 10 tops, the top of slips 7 is near pressing plate 9, the inclined-plane of slips 7 is near hanger body 10, then fix with 6 sealings of O type circle in the joint ring, and with screw 8; Joint ring 4 is being overlapped in the outside of pressing plate 9, and O type circle 3 outside the joint ring is arranged in the outside of joint ring 4, and there is joint ring jackscrew 1 O type circle 3 outsides outside joint ring, has bolt 2 fixing on the right side of casing head body 11.
Embodiment 2, casing head body 11 are fixed on the hanger body 10, and fixing with hanger jackscrew 12.
Claims (3)
1. single-stage slip type casing head, it is by joint ring jackscrew (1), bolt (2), the outer O type circle (3) of joint ring, joint ring (4), sleeve pipe (5), O type circle (6) in the joint ring, slips (7), screw (8), pressing plate (9), hanger body (10), casing head body (11), hanger jackscrew (12), valve (13), sleeve pipe two public (14) is formed by connecting, it is characterized in that: the outside, upper end at sleeve pipe (5) is installed with hanger body (10), pressing plate (9) is positioned at hanger body (10) top, the top of slips (7) is near pressing plate (9), the inclined-plane of slips (7) is near hanger body (10), then use O type circle (6) sealing in the joint ring, and fixing with screw (8); Joint ring (4) is being overlapped in the outside of pressing plate (9), and O type circle (3) outside the joint ring is arranged in the outside of joint ring (4), and there is joint ring jackscrew (1) O type circle (3) outside outside joint ring, has bolt (2) fixing on the right side of casing head body (11).
2. single-stage slip type casing head according to claim 1, it is characterized in that: casing head body (11) is fixed on the hanger body (10), and fixing with hanger jackscrew (12).
3. single-stage slip type casing head according to claim 1 is characterized in that: sleeve pipe two public (14) is enclosed within the outside of sleeve pipe (5), and is positioned at casing head body (11); Valve (13) is bolted on the casing head body (11) by two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220246144 CN202731819U (en) | 2012-05-29 | 2012-05-29 | Single-grade clip type casing head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220246144 CN202731819U (en) | 2012-05-29 | 2012-05-29 | Single-grade clip type casing head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202731819U true CN202731819U (en) | 2013-02-13 |
Family
ID=47657531
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220246144 Expired - Fee Related CN202731819U (en) | 2012-05-29 | 2012-05-29 | Single-grade clip type casing head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202731819U (en) |
-
2012
- 2012-05-29 CN CN 201220246144 patent/CN202731819U/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 | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130213 Termination date: 20130529 |