CN202832348U - Centered type combination polish rod sealing device - Google Patents
Centered type combination polish rod sealing device Download PDFInfo
- Publication number
- CN202832348U CN202832348U CN 201220547832 CN201220547832U CN202832348U CN 202832348 U CN202832348 U CN 202832348U CN 201220547832 CN201220547832 CN 201220547832 CN 201220547832 U CN201220547832 U CN 201220547832U CN 202832348 U CN202832348 U CN 202832348U
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- rod
- rubber
- rubber valve
- seat
- eccentric
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Abstract
The utility model discloses a centered type combination polish rod sealing device which comprises a rubber valve and a polish rod sealing device body. The rubber valve comprises a rubber valve shell, hand wheels, a holding-down nut, a connecting rod seat, hand wheel connecting rods and rubber valve bodies, wherein two rubber valve bodies are installed in the rubber valve shell, and the hand wheel connecting rods are arranged outside the rubber valve bodies and are connected with the hand wheels after penetrating through the connecting rod seat. The polish rod sealing device body comprises a polish rod, a high-pressure rubber tube, an external connection tube, a rubber tube sleeve, a horizontally moving seat, an eccentric gland, a sealing material seat, a sealing material gland, a free eccentric seat and an adjusting rod, wherein the upper ends of the two rubber valve bodies are respectively connected with the external connection tube and the high-pressure rubber tube, the polish rod is arranged in the high-pressure rubber tube and the external connection rod, the rubber tube sleeve is connected with the high-pressure rubber tube in a sleeved mode, the upper portion of the rubber tube sleeve is connected with the bottom of the horizontally moving seat in an inserted mode, the upper end of the external connection tube is connected with the free eccentric seat in a sleeved mode, the eccentric gland and the horizontal moving seat are arranged in the free eccentric seat in sequence, the lower end of the sealing material seat is arranged between the eccentric gland and the horizontal moving seat, and the upper end of the sealing material seat is fixed on the lower portion of the sealing material gland. The centered type combination polish rod sealing device has the advantages of being capable of automatic centering adjustment and high in sealing performance.
Description
Technical field
The utility model belongs to the seal technical field, relates in particular to the polished rod sealer that is used in oil-field oil pumper.
Background technology
In the production of recovering the oil, existing well head sealing means for oil prodn. well exists following several deficiency, has influence in various degree normal production.
1, the easy eccentric wear of well head.Because the impact of the many factors such as manufacturing, alignment error and the well head of oil pumper, pit shaft inclination, cause skew or the inclination of polished rod axis and sealer main body axis, make polished rod in the process of pumping, with discontinuity on the axial fitting face of packing chamber filler, a stressed large filler is quick-wearing very, cause seal failure, affected the normal production of oil well and the life-span of filler.
2, existing do not have the tuningout alignment function with polished rod sealer, single structure, and polished rod sealer and rubber gate do not match during installation, and sealing effectiveness is poor, and polished rod and airtight and watertight padding are changed frequent, well head Produced Liquid seepage.
The utility model content
The technical problems to be solved in the utility model is to overcome existing defective, the centering type combined light rod sealer that provides a kind of automatic centering adjusting, sealing to strengthen.
In order to solve the problems of the technologies described above, the utility model provides following technical scheme:
Centering type combined light rod sealer, comprise rubber valve and centering type polished rod sealer, described rubber valve, comprise rubber valve casing, handwheel, clamping nut, connecting rod base, handwheel connecting rod, rubber valve, two symmetrical rubber valves are installed in the described rubber valve casing, each described rubber valve arranged outside has the handwheel connecting rod, and each described handwheel connecting rod passes connecting rod base and is connected with handwheel; Described centering type polished rod sealer, comprise polished rod, high-pressure rubber pipe, outer connecting pipe, the sebific duct overcoat, translating base, eccentric gland, the packing seat, packing gland, free eccentric mounting and adjusting rod, described rubber valve upper end adopts mariages button mode to be connected the high-pressure rubber pipe of lower end with outer connecting pipe with outer connecting pipe respectively to be connected, described polished rod is arranged in high-pressure rubber pipe and the outer connecting pipe bottom, described high-pressure rubber pipe top is socketed with the sebific duct overcoat between outer connecting pipe and high-pressure rubber pipe, described sebific duct overcoat top is plugged in the translating base bottom, described outer connecting pipe upper end is socketed with free eccentric mounting, be provided with successively from top to bottom eccentric platen in the described free eccentric mounting, translating base, described packing seat lower end is arranged between eccentric platen and the translating base in the space, and the packing gland bottom that is provided with adjusting rod is fixed in described packing seat upper end.
Each described connecting rod base outboard end cover is connected with clamping nut.
Described free eccentric mounting cross section is to external expansion shape.
Described packing seat lower end is provided with outside projection.
Be provided with the Access Division on the inwall of described outer connecting pipe bottom, described outer connecting pipe top is to external expansion.
Compared with prior art, the utlity model has following beneficial effect:
The design is rational in infrastructure, and centering type polished rod sealer and rubber valve are combined as a unitary device, adopts two screwed connections to strengthen intensity between the two, good sealing effect between free eccentric packing and the rubber valve.Easy for installation, can solve well head eccentric wear problem on the one hand, reduce replacing polished rod and sealer airtight and watertight padding and change frequent problem, prevent light rod-broken; Avoid on the other hand polished rod sealer and rubber valve not to match the problem that causes sealing effectiveness poor.Easy to operate, economy and durability, cost is low.
Description of drawings
Fig. 1 is the schematic diagram of the utility model centering type combined light rod sealer.
The specific embodiment
Below in conjunction with accompanying drawing preferred embodiment of the present utility model is described, should be appreciated that preferred embodiment described herein only is used for description and interpretation the utility model, and be not used in restriction the utility model.
As shown in Figure 1, centering type combined light rod sealer, comprise rubber valve and centering type polished rod sealer, described rubber valve, comprise rubber valve casing 1, handwheel 2, clamping nut 3, connecting rod base 4, handwheel connecting rod 5, rubber valve 6, be installed with two symmetrical rubber valves 6 in rubber valve casing 1, rubber valve casing 1 is cross.Each rubber valve 6 outside is plugged with handwheel connecting rod 5, and each handwheel connecting rod 5 passes connecting rod base 4 and is connected with handwheel 2, and each connecting rod base 4 outboard end cover is connected with clamping nut 3.
The centering type polished rod sealer, comprise polished rod 15, high-pressure rubber pipe 7, outer connecting pipe 8, sebific duct overcoat 9, translating base 10, eccentric gland 11, packing seat 12, packing gland 13, free eccentric mounting 14 and adjusting rod 15, rubber valve 6 upper ends adopt mariages button mode to be connected the high-pressure rubber pipe 7 of lower end with outer connecting pipe with outer connecting pipe 8 respectively to be connected, polished rod 15 is arranged in high-pressure rubber pipe 7 and outer connecting pipe 8 bottoms, be provided with the Access Division on the inwall of outer connecting pipe 8 bottoms, outer connecting pipe 8 tops are to external expansion.High-pressure rubber pipe 7 tops are socketed with the sebific duct overcoat 9 between outer connecting pipe 8 and high-pressure rubber pipe 7, and these sebific duct overcoat 9 tops are plugged in the bottom of translating base 10, and outer connecting pipe 8 upper ends are socketed with free eccentric mounting 14, and free eccentric mounting 14 cross sections are to external expansion shape.Be provided with successively from top to bottom eccentric platen 11, translating base 10 in the free eccentric mounting 14, packing seat 13 lower ends are provided with outside projection, packing seat 12 lower ends are arranged between eccentric platen 11 and the translating base 10 in the space, and packing gland 13 bottoms that are provided with adjusting rod 16 are fixed in packing seat 12 upper ends.
The utility model centering type combined light rod sealer has carried out on-the-spot trying out in oil well, successful obtains workman's favorable comment.
Rational in infrastructure, centering type polished rod sealer and rubber valve are combined as a unitary device, adopt two screwed connections to strengthen intensity between the two, good sealing effect between free eccentric packing and the rubber valve.Easy for installation, can solve well head eccentric wear problem on the one hand, reduce replacing polished rod and sealer airtight and watertight padding and change frequent problem, prevent light rod-broken; Avoid on the other hand polished rod sealer and rubber valve not to match the problem that causes sealing effectiveness poor.Easy to operate, economy and durability, cost is low.
The above only is explanation embodiment of the present utility model; be not limited to the utility model; for a person skilled in the art; all within spirit of the present utility model and principle; any modification of doing, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (5)
1. centering type combined light rod sealer, comprise rubber valve and centering type polished rod sealer, it is characterized in that: described rubber valve, comprise rubber valve casing, handwheel, clamping nut, connecting rod base, handwheel connecting rod, rubber valve, two symmetrical rubber valves are installed in the described rubber valve casing, each described rubber valve arranged outside has the handwheel connecting rod, and each described handwheel connecting rod passes connecting rod base and is connected with handwheel; Described centering type polished rod sealer, comprise polished rod, high-pressure rubber pipe, outer connecting pipe, the sebific duct overcoat, translating base, eccentric gland, the packing seat, packing gland, free eccentric mounting and adjusting rod, described rubber valve upper end adopts mariages button mode to be connected the high-pressure rubber pipe of lower end with outer connecting pipe with outer connecting pipe respectively to be connected, described polished rod is arranged in high-pressure rubber pipe and the outer connecting pipe bottom, described high-pressure rubber pipe top is socketed with the sebific duct overcoat between outer connecting pipe and high-pressure rubber pipe, described sebific duct overcoat top is plugged in the translating base bottom, described outer connecting pipe upper end is socketed with free eccentric mounting, be provided with successively from top to bottom eccentric platen in the described free eccentric mounting, translating base, described packing seat lower end is arranged between eccentric platen and the translating base in the space, and the packing gland bottom that is provided with adjusting rod is fixed in described packing seat upper end.
2. centering type combined light rod sealer as claimed in claim 1, it is characterized in that: each described connecting rod base outboard end cover is connected with clamping nut.
3. centering type combined light rod sealer as claimed in claim 1, it is characterized in that: described free eccentric mounting cross section is to external expansion shape.
4. centering type combined light rod sealer as claimed in claim 1, it is characterized in that: described packing seat lower end is provided with outside projection.
5. centering type combined light rod sealer as claimed in claim 1, it is characterized in that: be provided with the Access Division on the inwall of described outer connecting pipe bottom, described outer connecting pipe top is to external expansion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220547832 CN202832348U (en) | 2012-10-24 | 2012-10-24 | Centered type combination polish rod sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220547832 CN202832348U (en) | 2012-10-24 | 2012-10-24 | Centered type combination polish rod sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202832348U true CN202832348U (en) | 2013-03-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220547832 Expired - Fee Related CN202832348U (en) | 2012-10-24 | 2012-10-24 | Centered type combination polish rod sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202832348U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103905421A (en) * | 2013-12-17 | 2014-07-02 | 哈尔滨安天科技股份有限公司 | Suspicious event detection method and system based on URL heterogeneity |
-
2012
- 2012-10-24 CN CN 201220547832 patent/CN202832348U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103905421A (en) * | 2013-12-17 | 2014-07-02 | 哈尔滨安天科技股份有限公司 | Suspicious event detection method and system based on URL heterogeneity |
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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: 20130327 Termination date: 20131024 |