CN204126588U - A kind of polished rod sealer - Google Patents
A kind of polished rod sealer Download PDFInfo
- Publication number
- CN204126588U CN204126588U CN201420403028.5U CN201420403028U CN204126588U CN 204126588 U CN204126588 U CN 204126588U CN 201420403028 U CN201420403028 U CN 201420403028U CN 204126588 U CN204126588 U CN 204126588U
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- CN
- China
- Prior art keywords
- handle
- spring
- piston
- eccentric
- pressing cap
- 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 kind of polished rod sealer, belong to oil-extracting well protective device, primarily of sealed packing device, eccentric self-locking device and tuningout interface composition, described eccentric self-locking device is primarily of sealer main body, spring base, handle, handle set, spring, spring cup, bullet pad, pull bar, piston and seal composition, described sealer main body forms cross entirety by orthogonal two sections of pipes, described handle is positioned at handle set inside, described spring cup is crimped with spring base by spring, described spring cup contacts with each other with the handle being positioned at handle set, described bullet pad, pull bar, piston and seal are arranged in order in pipe, described bullet pad contacts with seal cover.Described piston is provided with O type circle.Solve valve in prior art and cannot judge the problem of on off state and the phenomenon of valve handle place leakage of oil.There is structure simple, feature easy and simple to handle.
Description
Technical field
The utility model relates to a kind of oil-extracting well protective device, particularly relates to a kind of polished rod sealer.
Technical background
Polished rod is for realizing connection between sucker rod and polished rod eye and special " sucker rod ".Because be in the topmost of sucker rod, stressed maximum, so the diameter of polished rod is larger than sucker rod diameter, the rank of steel wants high, and surface is more smooth.Polished rod sealer is positioned at the end of polished rod, can combine, sealing wellhead with the packing in packing box, prevents oil, gas, water from leaking.Realize the link transition between sucker rod and polished rod eye.In prior art, when polished rod is connected with oil pumper, when tightening valve, the on off state of valve can not be judged, bring inconvenience to use.And, often there is the phenomenon of leakage of oil in existing sealer oil recovery process, cause certain waste.
Utility model content
Owing to there is above-mentioned defect in prior art, the utility model provides a kind of polished rod sealer, has structure simple, feature easy and simple to handle.
The technical solution of the utility model realizes like this.
A kind of polished rod sealer, primarily of sealed packing device, eccentric self-locking device and tuningout interface composition, described eccentric self-locking device is primarily of sealer main body, spring base, handle, handle set, spring, spring cup, bullet pad, pull bar, piston and seal composition, described sealer main body forms cross entirety by orthogonal two sections of pipes, described handle is positioned at handle set inside, described spring cup is crimped with spring base by spring, described spring cup contacts with each other with the handle being positioned at handle set, described bullet pad is fixedly connected with spring cup, described pull bar one end contacts with bullet pad, its other end is fixedly connected with piston, described seal contacts with piston.
Further, described outside piston is provided with O type circle.Piston is provided with two O type circle, better sealing function can be had.
Further, described sealed packing device forms primarily of secondary packing box, packing, hand handle, nylon cushion, upper pressing cap, lower pressing cap and nut, described upper pressing cap is located at lower pressing cap top, described lower pressing cap bottom is connected with packing, nylon cushion is fixedly connected with bottom described packing, described secondary packing box top is threaded upper pressing cap, its underpart is connected with sealer main body screw, the described hand handle being positioned at top is welded to connect with upper pressing cap, described in be positioned at the hand at middle part being threaded with secondary packing box by nut.
Further, described tuningout interface forms primarily of eccentric mounting, eccentric bushing and locking nut, described eccentric bushing and eccentric mounting are slidably matched, the pipe mouth of pipe that eccentric bushing and sealer main body are positioned at lower end is threaded, described locking nut is threaded with eccentric mounting cylindrical and locks eccentric bushing, and eccentric mounting end face is provided with the trapezoidal seam be connected with well head.
Usefulness of the present utility model is: polished rod sealer disclosed in the utility model is for oil pumper, is installed on the bottom bar portion of oil pumper, adopts eccentric self-locking device, makes it be easier to differentiate the on off state of valve, operates easier; In addition, piston is provided with two O type circle, the oil body extracted out in oil pumper can be avoided excessive from handle, avoiding over valve handle place overflows oil condition generation.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
In figure:
1 is sealed packing device;
1-1 is secondary packing box; 1-2 is packing; 1-3 is hand handle; 1-4 is nylon cushion; 1-5 is upper pressing cap; 1-6 is lower pressing cap; 1-7 is nut;
2 is eccentric self-locking device;
2-1 is sealer main body; 2-2 is spring base; 2-3 is handle; 2-4 is handle set; 2-5 is spring; 2-6 is spring cup; 2-7 is bullet pad; 2-8 is pull bar; 2-9 is piston; 2-10 is O type circle; 2-11 is seal;
3 is tuningout interface;
3-1 is eccentric mounting; 3-2 is eccentric bushing; 3-3 is locking nut; 3-4 is trapezoidal seam.
Detailed description of the invention
Below in conjunction with accompanying drawing 1 and specific embodiment, scheme of the present utility model is described in detail.
As shown in Figure 1, a kind of polished rod sealer, primarily of sealed packing device 1, eccentric self-locking device 2 and tuningout interface 3 form, described eccentric self-locking device 2 is primarily of sealer main body 2-1, spring base 2-2, handle 2-3, handle set 2-4, spring 2-5, spring cup 2-6, bullet pad 2-7, pull bar 2-8, piston 2-9 and seal 2-11 forms, described sealer main body 2-1 forms cross entirety by orthogonal two sections of pipes, it is inner that described handle 2-3 is positioned at handle set 2-4, described spring cup 2-6 is crimped with spring base 2-2 by spring 2-5, described spring cup 2-6 contacts with each other with the handle 2-3 being positioned at handle set 2-4, described bullet pad 2-7 is fixedly connected with spring cup 2-6, described pull bar 2-8 one end contacts with bullet pad 2-7, its other end is fixedly connected with piston 2-9, described seal 2-11 contacts with piston 2-9.
Further, described outside piston is provided with O type circle 2-10.Play the effect of sealing, prevent leakage of oil.
Further, described sealed packing device 1 is primarily of secondary packing box 1-1, packing 1-2, hand is 1-3, nylon cushion 1-4, upper pressing cap 1-5, lower pressing cap 1-6 and nut 1-7 forms, described upper pressing cap 1-5 is located at lower pressing cap 1-6 top, described lower pressing cap 1-6 bottom is connected with packing 1-2, nylon cushion 1-4 is fixedly connected with bottom described packing 1-2, described secondary packing box 1-1 top is threaded upper pressing cap 1-5, its underpart is threaded with sealer main body 2-1, the described hand being positioned at top is welded to connect 1-3 and upper pressing cap 1-5, the described hand being positioned at middle part is threaded by nut 1-7 1-3 with secondary packing box 1-1.
Further, described tuningout interface 3 forms primarily of eccentric mounting 3-1, eccentric bushing 3-2 and locking nut 3-3, described eccentric bushing 3-2 and eccentric mounting 3-1 is slidably matched, the pipe mouth of pipe that eccentric bushing 3-2 and sealer main body 2-1 are positioned at lower end is threaded, described locking nut 3-3 is threaded with eccentric mounting 3-1 cylindrical and locks eccentric bushing 3-2, and eccentric mounting 3-1 end face is provided with the trapezoidal seam 3-4 be connected with well head.
In use procedure of the present utility model, first polished rod sealer is installed on the bottom bar portion of oil pumper, by pulling the handle in eccentric self-locking device, drive the spring cup and bullet pad that contact with it towards upper mobile in the opposite direction with the handle side of pulling, the movement of pushing drawing rod and piston, thus make to move with the seal of piston contact, make the seal close contact of the seal of side and symmetrical position, thus pin the gangbar of oil pumper.Can the switch of by-pass valve control accurately, use also very easy.The two O type circles be fixed on piston have better sealing effectiveness, avoid the oil body extracted out in oil pumper excessive from handle, and valve handle place oil condition of overflowing of avoiding over occurs.
Above an embodiment of the present utility model has been described in detail, but described content being only preferred embodiment of the present utility model, can not being considered to for limiting practical range of the present utility model.All equalizations done according to the utility model application range change and improve, and all should belong within patent covering scope of the present utility model.
Claims (4)
1. a polished rod sealer, it is characterized in that: primarily of sealed packing device, eccentric self-locking device and tuningout interface composition, described eccentric self-locking device is primarily of sealer main body, spring base, handle, handle set, spring, spring cup, bullet pad, pull bar, piston and seal composition, described sealer main body forms cross entirety by orthogonal two sections of pipes, described handle is positioned at handle set inside, described spring cup is crimped with spring base by spring, described spring cup contacts with each other with the handle being positioned at handle set, described bullet pad is fixedly connected with spring cup, described pull bar one end contacts with bullet pad, its other end is fixedly connected with piston, described seal contacts with piston.
2. polished rod sealer according to claim 1, is characterized in that: described outside piston is provided with O type circle.
3. polished rod sealer according to claim 1, it is characterized in that: described sealed packing device is primarily of secondary packing box, packing, hand handle, nylon cushion, upper pressing cap, lower pressing cap and nut composition, described upper pressing cap is located at lower pressing cap top, described lower pressing cap bottom is connected with packing, nylon cushion is fixedly connected with bottom described packing, described secondary packing box top is threaded upper pressing cap, its underpart is connected with sealer main body screw, the described hand handle being positioned at top is welded to connect with upper pressing cap, the described hand handle being positioned at middle part is threaded with secondary packing box by nut.
4. polished rod sealer according to claim 1, it is characterized in that: described tuningout interface forms primarily of eccentric mounting, eccentric bushing and locking nut, described eccentric bushing and eccentric mounting are slidably matched, the pipe mouth of pipe that eccentric bushing and sealer main body are positioned at lower end is threaded, described locking nut is threaded with eccentric mounting cylindrical and locks eccentric bushing, and eccentric mounting end face is provided with the trapezoidal seam be connected with well head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420403028.5U CN204126588U (en) | 2014-07-21 | 2014-07-21 | A kind of polished rod sealer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420403028.5U CN204126588U (en) | 2014-07-21 | 2014-07-21 | A kind of polished rod sealer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204126588U true CN204126588U (en) | 2015-01-28 |
Family
ID=52382955
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420403028.5U Expired - Fee Related CN204126588U (en) | 2014-07-21 | 2014-07-21 | A kind of polished rod sealer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204126588U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104747114A (en) * | 2015-02-13 | 2015-07-01 | 大庆润欣石化科技有限公司 | Synchronization wellhead adjusting and sealing device |
-
2014
- 2014-07-21 CN CN201420403028.5U patent/CN204126588U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104747114A (en) * | 2015-02-13 | 2015-07-01 | 大庆润欣石化科技有限公司 | Synchronization wellhead adjusting and sealing device |
| CN104747114B (en) * | 2015-02-13 | 2017-03-08 | 大庆润欣石化科技有限公司 | A kind of synchronous well head adjusts seal apparatus |
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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: 20150128 Termination date: 20160721 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |