CN211144434U - Oil recovery well head polished rod seals leak protection device - Google Patents
Oil recovery well head polished rod seals leak protection device Download PDFInfo
- Publication number
- CN211144434U CN211144434U CN201922064409.0U CN201922064409U CN211144434U CN 211144434 U CN211144434 U CN 211144434U CN 201922064409 U CN201922064409 U CN 201922064409U CN 211144434 U CN211144434 U CN 211144434U
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- mounting
- polished rod
- fixing
- mounting base
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Abstract
The utility model provides a sealed leak protection device of oil recovery well head polished rod. The oil recovery well head polished rod sealing leakage-proof device comprises a packing box, wherein a mounting base is fixedly connected to the top of the packing box, a rubber packing ring is arranged inside the mounting base, and a mounting sleeve is arranged on the mounting base. The utility model provides a sealed leak protection device of oil recovery well head polished rod uses can be fine to the surface of polished rod to seal processing through the cooperation of rubber packing root circle and sealed pressure cap, can further fix installation base and installation cover through fixing device, further improvement the leakproofness, cooperation through two sealed pieces uses can be further with the surface seal of polished rod, can prevent through the sealing washer that oil and oil gas from revealing through the thread groove infiltration, can be simple and convenient install the device to the oil pipe through the mounting thread on, and sealed pressure cap can also prevent that the polished rod from taking place the eccentric wear phenomenon, the life of rubber packing root circle and sealed piece has been improved.
Description
Technical Field
The utility model relates to an oil production field especially relates to a sealed leak protection device of oil recovery well head polished rod.
Background
In a machine, a rod and a pumping oil system, a polished rod is an important part for connecting a pumping unit and a pumping rod string, and a polished rod sealer is also called a seal box, plays roles of sealing a wellhead and preventing blowout, and is an indispensable device in modern oil field collecting equipment.
The sealing degree of the existing polish rod sealing device to the polish rod is not enough, so that oil gas and oil can leak out from gaps due to the existence of the gaps, potential safety hazards are caused, most of the existing sealing devices are troublesome to replace the packing ring, the collection production of an oil field needs to be suspended when the oil field is replaced, and a large amount of time is wasted.
Therefore, it is necessary to provide a polish rod sealing and leakage-proof device for a petroleum production wellhead to solve the above technical problems.
SUMMERY OF THE UTILITY MODEL
The utility model provides a sealed leak protection device of oil recovery well head polished rod has solved current sealing device and has sealed complete problem inadequately to the polished rod.
For solving the technical problem, the utility model provides a sealed leak protection device of oil recovery well head polished rod includes the packing box, the top fixedly connected with installation base of packing box, the inside of installation base is provided with rubber packing ring, be provided with the installation cover on the installation base, the inner wall of installation cover and the surface of installation base all are provided with the screw thread, the top of installation cover inner wall is provided with sealed pressure cap, be provided with fixing device on the bottom of installation cover and the installation base, the bottom fixedly connected with seal cover of packing box.
Preferably, thread grooves are formed in the two sides of the packing box, adjusting screws are connected to the inner threads of the thread grooves in a threaded mode, and sealing rings are arranged on the surfaces of the adjusting screws.
Preferably, one end of the adjusting screw rod is rotatably connected with a sealing block, the other end of the adjusting screw rod is fixedly connected with an adjusting block, and an adjusting hole is formed in the adjusting block.
Preferably, the inner wall of the sealing sleeve is provided with mounting threads.
Preferably, wrench mounting grooves are formed in the tops of two sides of the mounting sleeve, and the wrench mounting grooves are inner hexagonal grooves.
Preferably, fixing device includes the solid fixed ring of first solid fixed ring and second, the solid fixed ring of first solid fixed ring and second is all established on the surface of installation base, the solid fixed ring of first solid fixed ring and the solid fixed ring's of second both sides equal fixedly connected with fixed block, it has fixing bolt to run through on the fixed block, fixing bolt's bottom threaded connection has fixation nut.
Preferably, slots are formed in the top and the bottom of the packing box, the bottom of the mounting base, the top of the mounting sleeve and the top of the sealing sleeve, and polished rods are arranged in the slots.
Compared with the prior art, the utility model provides a sealed leak protection device of oil recovery well head polished rod has following beneficial effect:
the utility model provides a sealed leak protection device of oil recovery well head polished rod, use can be fine through the cooperation of rubber packing root circle and sealed gland to the surface of polished rod carries out sealed processing, can further fix installation base and installation cover through fixing device, further improvement the leakproofness, cooperation through two sealed pieces is used can be further with the surface seal of polished rod, can prevent through the sealing washer that oil and oil gas from revealing through the thread groove infiltration, can be simple and convenient install the device to producing oil pipe through the mounting thread on, and sealed gland can also prevent that the polished rod from taking place the eccentric wear phenomenon, the life of rubber packing root circle and sealed piece has been improved.
Drawings
Fig. 1 is a schematic structural diagram of a preferred embodiment of the polish rod sealing and leakage-preventing device for a petroleum production wellhead according to the present invention;
fig. 2 is a top view of the fastening device shown in fig. 1.
Reference numbers in the figures: 1. packing box, 2, installation base, 3, rubber packing ring, 4, installation cover, 5, screw thread, 6, sealed pressure cap, 7, fixing device, 71, first solid fixed ring, 72, the solid fixed ring of second, 73, fixed block, 74, fixing bolt, 75, fixing nut, 8, seal cover, 9, thread groove, 10, adjusting screw, 11, sealing washer, 12, sealed piece, 13, regulating block, 14, regulation hole, 15, installation screw, 16, spanner mounting groove, 17, slot, 18, polished rod.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and embodiments.
Please refer to fig. 1 and fig. 2 in combination, wherein fig. 1 is a schematic structural diagram of a preferred embodiment of the polish rod sealing and leakage preventing device for a petroleum production wellhead according to the present invention; fig. 2 is a top view of the fastening device shown in fig. 1. The polish rod sealing and leakage-preventing device for the petroleum production wellhead comprises a packing box 1, wherein the top of the packing box 1 is fixedly connected with an installation base 2, a rubber packing ring 3 is arranged inside the installation base 2, an installation sleeve 4 is arranged on the installation base 2, threads 5 are arranged on the inner wall of the installation sleeve 4 and the surface of the installation base 2, a sealing gland 6 is arranged at the top of the inner wall of the installation sleeve 4, fixing devices 7 are arranged at the bottom of the installation sleeve 4 and the installation base 2, a sealing sleeve 8 is fixedly connected at the bottom of the packing box 1, when in use, the rubber packing ring 3 is firstly placed inside the installation base 2, then the sealing gland 6 is placed at the top of the rubber packing ring 3, then the installation sleeve 4 is installed on the installation base 2, and the sealing gland 6 is tightly pressed and fixed at the top of the rubber packing ring 3 by the top of the inner wall of the installation sleeve 4, the sealing pressure cap 6 is provided with a through hole for the polish rod 18 to pass through, the sealing pressure cap 6 can prevent the polish rod 18 from eccentric wear while improving the sealing performance, and the service life of the rubber packing ring 3 and the sealing block 12 is prolonged.
Thread groove 9 has all been seted up to the both sides of packing box 1, the inside threaded connection of thread groove 9 has adjusting screw 10, adjusting screw 10's surface is provided with sealing washer 11, and adjusting screw 10 rotates, removes in the inside of thread groove 9 to drive sealed piece 12 and remove, sealing washer 11 can prevent that oil and oil gas from leaking through the infiltration of thread groove 9.
Adjusting screw 10 one end is rotated and is connected with sealed 12, adjusting screw 10's other end fixedly connected with regulating block 13, regulating block 13 is last to have seted up regulation hole 14, uses the straight-bar to insert regulating hole 14, rotates the straight-bar afterwards and drives regulating block 13 and rotate, and further drive adjusting screw 10 rotates, and one side of sealed 12 is provided with circular recess, with polished rod 18 looks adaptation, and two sealed 12 cooperations are used and to be enclosed the surface of polished rod 18 and seal.
And the inner wall of the sealing sleeve 8 is provided with mounting threads 15, and the whole device body can be integrally mounted on the oil outlet pipe through the mounting threads 15.
Fixing device 7 includes the solid fixed ring 72 of first solid fixed ring 71 and second, the surface at installation base 2 is all established to the solid fixed ring 72 of first solid fixed ring 71 and second, the equal fixedly connected with fixed block 73 in the both sides of the solid fixed ring 71 of first solid fixed ring and second 72, it has fixing bolt 74 to run through on the fixed block 73, fixing bolt 74's bottom threaded connection has fixation nut 75, installs back to installation base 2 through screw thread 5 at the installation cover 4 on, sheathes the surface of installation base 2 with the solid fixed ring 72 of first solid fixed ring 71 and second, uses fixing bolt 74 to run through the fixed block afterwards, uses fixing nut 75 to press from both sides first solid fixed ring 71 and the solid fixed ring 72 of second in the fixing bolt cooperation afterwards and fixes, makes the combination of installation cover 4 and installation base 2 inseparabler.
The utility model provides a sealed leak protection device of oil recovery well head polished rod's theory of operation as follows:
when the rubber packing ring fixing device is used, the rubber packing ring 3 is firstly placed in the installation base 2, then the sealing pressing cap 6 is placed at the top of the rubber packing ring 3, then the installation sleeve 4 is installed on the installation base 2, the outer hexagonal wrench is inserted into the wrench installation groove 16, then the installation sleeve 4 is screwed up by rotating, the sealing pressing cap 6 is pressed and fixed at the top of the rubber packing ring 3 by the top of the inner wall of the installation sleeve 4, the sealing pressing cap 6 can prevent the polished rod 18 from eccentric wear while improving the sealing performance, the service lives of the rubber packing ring 3 and the sealing block 12 are prolonged, then the installation sleeve 4 and the installation base 2 are further fixed by using a fixing device, the first fixing ring 71 and the second fixing ring 72 are sleeved on the surface of the installation base 2, then the fixing bolt 74 penetrates through the fixing block, and then the fixing nut 75 is used for matching with the fixing bolt to fix the first fixing ring 71 and the second fixing ring 72, make installation cover 4 inseparabler with the combination of installation base 2, use the straight-bar to insert regulation hole 14 afterwards, it rotates the straight-bar and drives regulating block 13 and rotate, further drive adjusting screw 10 rotates, adjusting screw 10 removes in the inside of thread groove 9, thereby drive sealed piece 12 and remove, two sealed piece 12 cooperations are used and to be enclosed sealedly with the surface of polished rod 18, sealing washer 11 can prevent that oil and oil gas from leaking through the infiltration of thread groove 9, install the device wholly through seal cover 8 to the oil pipe afterwards, installation screw 15 can be simple and convenient with equipment fixing.
Compared with the prior art, the utility model provides a sealed leak protection device of oil recovery well head polished rod has following beneficial effect:
use the surface to polished rod 18 that can be fine through the cooperation of rubber packing root circle 3 and sealed pressure cap 6 and seal the processing, can further fix installation base 2 and installation cover 4 through fixing device 7, further improvement the leakproofness, use the surface seal with polished rod 18 that can be further through the cooperation of two sealed blocks 12, can prevent through sealing washer 11 that oil and oil gas from leaking through the infiltration of thread groove 9, can be simple and convenient install the device to going out oil pipe through installation screw 15, and sealed pressure cap 6 can also prevent that polished rod 18 from taking place the eccentric wear phenomenon, the life of rubber packing root circle 3 and sealed block 12 has been improved.
The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a sealed leak protection device of oil recovery well head polished rod, includes packing box (1), its characterized in that: the packing box is characterized in that a mounting base (2) is fixedly connected to the top of the packing box (1), a rubber packing ring (3) is arranged inside the mounting base (2), a mounting sleeve (4) is arranged on the mounting base (2), threads (5) are arranged on the inner wall of the mounting sleeve (4) and the surface of the mounting base (2), a sealing pressing cap (6) is arranged at the top of the inner wall of the mounting sleeve (4), a fixing device (7) is arranged on the bottom of the mounting sleeve (4) and the mounting base (2), and a sealing sleeve (8) is fixedly connected to the bottom of the packing box (1).
2. The polish rod sealing and leakage-preventing device for the petroleum production wellhead according to claim 1, wherein thread grooves (9) are formed in two sides of the packing box (1), an adjusting screw rod (10) is connected to the inner threads of the thread grooves (9), and a sealing ring (11) is arranged on the surface of the adjusting screw rod (10).
3. The polish rod sealing and leakage-preventing device for the petroleum production wellhead according to claim 2, wherein one end of the adjusting screw rod (10) is rotatably connected with a sealing block (12), the other end of the adjusting screw rod (10) is fixedly connected with an adjusting block (13), and the adjusting block (13) is provided with an adjusting hole (14).
4. The polish rod sealing leakage-proof device of the petroleum production wellhead according to claim 1, characterized in that the inner wall of the sealing sleeve (8) is provided with mounting threads (15).
5. The polish rod sealing and leakage-preventing device of the petroleum production wellhead according to claim 1, wherein wrench mounting grooves (16) are formed in the tops of two sides of the mounting sleeve (4), and the wrench mounting grooves (16) are inner hexagonal grooves.
6. The polish rod sealing and leakage preventing device of the petroleum production wellhead is characterized in that the fixing device (7) comprises a first fixing ring (71) and a second fixing ring (72), the first fixing ring (71) and the second fixing ring (72) are sleeved on the surface of the mounting base (2), both sides of the first fixing ring (71) and the second fixing ring (72) are fixedly connected with fixing blocks (73), fixing bolts (74) penetrate through the fixing blocks (73), and fixing nuts (75) are connected with the bottom ends of the fixing bolts (74) in a threaded mode.
7. The polish rod sealing and leakage-preventing device for the petroleum production wellhead according to claim 1, wherein slots (17) are formed in the top and the bottom of the packing box (1), the bottom of the mounting base (2), the top of the mounting sleeve (4) and the top of the sealing sleeve (8), and a polish rod (18) is arranged in each slot (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922064409.0U CN211144434U (en) | 2019-11-26 | 2019-11-26 | Oil recovery well head polished rod seals leak protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922064409.0U CN211144434U (en) | 2019-11-26 | 2019-11-26 | Oil recovery well head polished rod seals leak protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211144434U true CN211144434U (en) | 2020-07-31 |
Family
ID=71771963
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922064409.0U Expired - Fee Related CN211144434U (en) | 2019-11-26 | 2019-11-26 | Oil recovery well head polished rod seals leak protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211144434U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112983329A (en) * | 2021-03-01 | 2021-06-18 | 大庆市天德忠石油科技有限公司 | Tilt-adjusting wear-resistant packing box |
-
2019
- 2019-11-26 CN CN201922064409.0U patent/CN211144434U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112983329A (en) * | 2021-03-01 | 2021-06-18 | 大庆市天德忠石油科技有限公司 | Tilt-adjusting wear-resistant packing box |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20200731 Termination date: 20211126 |