CN209277843U - Deviation adjustable type polished rod sealer - Google Patents
Deviation adjustable type polished rod sealer Download PDFInfo
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- CN209277843U CN209277843U CN201822160717.9U CN201822160717U CN209277843U CN 209277843 U CN209277843 U CN 209277843U CN 201822160717 U CN201822160717 U CN 201822160717U CN 209277843 U CN209277843 U CN 209277843U
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- packing box
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- lower cover
- packing
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Abstract
The utility model relates to arrive pumping unit field, and in particular to arrive deviation adjustable type polished rod sealer.Including lower flange, upper flange is provided with above lower flange, upper flange threaded upper ends are connected with the lower packing box of the coaxial heart, it is disposed with lower cover from top to bottom in lower packing box, lower packing and upper press cover, lower packing box upper end heart direction deviation and stops upper press cover thereto, lower packing box threaded upper ends are connected with the upper packing box of the coaxial heart, it is sequentially installed with disc spring from top to bottom in upper packing box, lower cover, apical ring, upper packing and upper cover, the lower cover is connected in upper packing box, upper packing box threaded upper ends are connected with the pressure cap of stable upper cover, it is provided on the lower lid so that apical ring uplink and the jacking apparatus pressed closer to upper packing.Two-stage sealing mechanism up and down is carried out, sealing is safe and reliable, upper packing intensity with higher, preferable anti-extrusion, anti-aging and stronger compensation performance.
Description
Technical field
The utility model relates to arrive pumping unit field, and in particular to arrive deviation adjustable type polished rod sealer.
Background technique
Sucker rod pumping equipment is in absolutely production leading position in the exploitation in China oil field, and in rod pumping system
It is sucker rod pumping equipment essential equipment that wellhead polish rod sealing device, which has, and effect is to guarantee that polished rod is past above and below making wherein
Its sealing function when moving again, prevents crude oil from missing from well head.But the wellhead polish rod sealing device in rod pumping system
Seal failure is the frequent problem, and serious affects the normal production in oil field.
Utility model content
The technical problem to be solved by the utility model is to prevent the eccentric wear of packing from causing to seal frequent failure, frequency
The deviation adjustable type polished rod sealer of numerous replacement packing problem.
To achieve the goals above, technical solution provided by the utility model is:
Deviation adjustable type polished rod sealer, including lower flange, lower flange top are provided with upper flange, upper flange lower end and laxative remedy
Blue upper end mating spherical surfaces, upper flange lower end are provided with the gasket that cooperation is slidingly sealed with the spherical surface of the upper end of lower flange, upper method
Blue and lower flange is bolted to connection, and upper flange threaded upper ends are connected with the lower packing box of the coaxial heart, lower packing box
Inside it is disposed with lower cover, lower packing and upper press cover from top to bottom, lower packing box upper end heart direction deviation and to upper thereto
Gland is stopped, and lower packing box threaded upper ends are connected with the upper packing box of the coaxial heart, in upper packing box from top to bottom according to
Secondary to be equipped with disc spring, lower cover, apical ring, upper packing and upper cover, the lower cover is connected in upper packing box, is provided in upper packing box
Allow the gap of lower cover uplink, upper packing box threaded upper ends are connected with the pressure cap of stable upper cover, be provided on the lower lid so that
Apical ring uplink and the jacking apparatus that upper packing is pressed closer；
The jacking apparatus includes the multiple grooves for being uniformly provided with lower cover outer rim, is offered on the cell wall up and down of groove
Sliding slot is provided with vertical slide bar in groove, and the upper and lower ends of slide bar are slidably arranged in respectively in two sliding slots up and down, above groove
Lower Gai Shangjun offer the vertical open pores communicated therewith, sliding is provided with vertical mandril, vertical mandril upper end in vertical open pores
With apical ring lower end face contact, horizontal bore corresponding with groove is offered on the side wall of upper packing box, through setting in horizontal bore
It is equipped with the horizontal mandril being slidably matched with it, the both ends of horizontal mandril are provided with multi-directional ball, the multi-directional ball of horizontal mandril one end
It is in rolling contact with slide bar, slide bar is towards the voussoir of inclined-plane upward is fixed on the end face in lower cover axle center, and the inclined-plane of voussoir is far from upper
The one end in packing box axle center tilts upwards, the contact of incline plane of vertical mandril lower end and voussoir, the one end of voussoir close to lower cover axle center
It is connect with the inside cell wall of groove by spring, the upper packing box outer rim above horizontal mandril is threaded with lantern ring, under lantern ring
It is arranged with pressure ring on the upper packing box of side, the upward packing box axis direction in pressure ring upper end is gathered, pressure ring upper end and the fixed company of lantern ring
It connects, the multi-directional ball on upper packing box outer horizontal mandril one end is in rolling contact with pressure ring inner edge.
Specifically, being arranged on the bolt, there are two the spheric washers contacted respectively with lower flange and upper flange.
Specifically, the lower cover is inverted trapezoidal structure, inverted trapezoidal annular groove is offered in upper packing box, lower cover is connected to down ladder
In shape annular groove, lower cover allows the uplink in inverted trapezoidal annular groove.
Specifically, being provided with sealing ring between upper flange upper end outer rim and lower packing box inner edge.
Specifically, the upper packing is the monoblock type cone-type spiral sealing ring for adding cloth oil-resistant acrylonitrile-butadirubber rubber material.
Specifically, vertical groove is offered on the lateral surface of the slide bar, the multi-directional ball and slide bar of horizontal mandril one end
Upper vertical groove inner edge is in rolling contact.
Compared with prior art, the utility model has the following beneficial effects:
(1) the utility model, carries out two-stage sealing mechanism up and down, and sealing is safe and reliable.
(2) upper packing is to use to add monoblock type cone-type spiral sealing ring made of cloth oil-resistant acrylonitrile-butadirubber rubber, with higher
Intensity, preferable anti-extrusion, anti-aging and stronger compensation performance.
(3) when needing replacing upper packing, lower packing plays sealing function, is not necessarily to when thus having reached replacement upper packing
Stop well emptying, avoids crude oil loss, improve yield.Secondly, lower packing primarily serves righting polished rod in use
Effect, avoids upper packing excessive wear.
(4) disc spring is housed, after lower packing abrasion, disc spring discharges its elastic potential energy, increases lower packing and exists in upper packing box
Automatic compensation performance after abrasion, without often going tight lower packing.
(5) on lower flange use ball face sealing, can within the scope of 360 degree adjustment direction, so as to avoid due to pump
The problem of deflection of bar and sealer causes sealer packing eccentric wear, leads to seal failure.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the enlarged drawing of a-quadrant in Fig. 1.
Parts title in attached drawing are as follows:
1, upper flange, 2, lower packing box, 3, sealing ring, 4, lower cover, 5, lower packing, 6, upper press cover, 7, disc spring, 8, under
Lid, 9, upper packing box, 10, upper packing, 11, upper cover, 12, pressure cap, 13, multi-directional ball, 14, gasket, 15, spheric washer, 16, spiral shell
Bolt, 17, lower flange, 18, apical ring, 19, lantern ring, 20, horizontal bore, 21, horizontal mandril, 22, groove, 23, voussoir, 24, vertical
Come hole, 25, vertical mandril, 26, spring, 27, pressure ring, 28, sliding slot, 29, slide bar, 30, groove.
Specific embodiment
As shown in Figs. 1-2, deviation adjustable type polished rod sealer, including lower flange 17 are provided with upper flange above lower flange 17
1,1 lower end of upper flange and 17 upper end mating spherical surfaces of lower flange, 1 lower end of upper flange are provided with sliding with the spherical surface of the upper end of lower flange 17
The gasket 14 of dynamic sealing cooperation, upper flange 1 and lower flange 17 are fixedly connected by bolt 16, are arranged on the bolt 16
Two spheric washers 15 contacted respectively with lower flange 17 and upper flange 1.1 threaded upper ends of upper flange are connected with the coaxial heart
Lower packing box 2 is provided with sealing ring 3 between the 1 upper end outer rim of upper flange and 2 inner edge of lower packing box.In lower packing box 2 under
To being above disposed with lower cover 4, lower packing 5 and upper press cover 6,2 upper end of lower packing box heart direction deviation and to upper pressure thereto
Lid 6 is stopped, and 2 threaded upper ends of lower packing box are connected with the upper packing box 9 of the coaxial heart, in upper packing box 9 from top to bottom
It is sequentially installed with disc spring 7, lower cover 8, apical ring 18, upper packing 10 and upper cover 11, the upper packing 10 is to add cloth oil-resistant acrylonitrile-butadirubber rubber
The monoblock type cone-type spiral sealing ring of material.The lower cover 8 is connected in upper packing box 9, is provided under allowing in upper packing box 9
The gap of 8 uplink of lid, the lower cover 8 are inverted trapezoidal structure, offer inverted trapezoidal annular groove in upper packing box 9, lower cover 8 is connected to down
In trapezoidal annular groove, lower cover 8 allows the uplink in inverted trapezoidal annular groove.9 threaded upper ends of upper packing box are connected with the pressure of stable upper cover 11
Cap 12 is provided on the lower cover 8 so that apical ring 18 uplink and the jacking apparatus that is pressed closer to upper packing 10.
The jacking apparatus includes the multiple grooves 22 for being uniformly provided with 8 outer rim of lower cover, on the cell wall up and down of groove 22
Sliding slot 28 is offered, vertical slide bar 29 is provided in groove 22, the upper and lower ends of slide bar 29 are slidably arranged in upper and lower two respectively
In sliding slot 28, the vertical open pores 24 communicated therewith are offered on the lower cover 8 of 22 top of groove, sliding setting in vertical open pores 24
There are vertical mandril 25, vertical 25 upper end of mandril and 18 lower end face contact of apical ring, is offered and groove 22 on the side wall of upper packing box 9
Corresponding horizontal bore 20 is provided through the horizontal mandril 21 being slidably matched with it in horizontal bore 20, horizontal mandril 21
Both ends are provided with multi-directional ball 13, and vertical groove 30 is offered on the lateral surface of the slide bar 29, horizontal 21 one end of mandril
Multi-directional ball 13 is in rolling contact with 30 inner edge of groove vertical on slide bar 29, and the cooperation of groove 30 and multi-directional ball 13 can prevent lower cover
8 rotations, slide bar 29 is towards the voussoir 23 of inclined-plane upward is fixed on the end face in 8 axle center of lower cover, and the inclined-plane of voussoir 23 is far from upper disk
The one end in 9 axle center of root box tilts upwards, and the contact of incline plane of vertical mandril 25 lower end and voussoir 23, voussoir 23 is close to 8 axle center of lower cover
The cell wall of 22 inside of one end and groove connect by spring 26,9 outer rim of upper packing box of horizontal 21 top of mandril is threadedly coupled
There is lantern ring 19, is arranged with pressure ring 27 on the upper packing box 9 of 19 lower section of lantern ring, upward 9 axis direction of packing box in 27 upper end of pressure ring is poly-
Hold together, 27 upper end of pressure ring is fixedly connected with lantern ring 19, the multi-directional ball 13 on 9 outer horizontal mandril of upper packing box, 21 one end and pressure ring 27
Inner edge is in rolling contact.
When the utility model is used, lower flange 17 is threadedly coupled with production tree top threeway (or four-way), so that polished rod
Across the present apparatus, if polished rod center line and the center line of the present apparatus not on the same axis when, first unclamp connection upper flange 1 and under
The bolt 16 of flange 17 is in upper flange 1 relative to lower flange 17 and transition is freely rotated, upper flange 1 rotated, so that the present apparatus
Upper packing box 9 and the axle center of lower packing box 2 and the center line of polished rod be overlapped, with the up and down motion gradually company of tightening of sucker rod
Connecting bolt 16 realizes tuningout.
At work, after upper packing 10 is worn, disc spring 7 discharges its elastic potential energy, and 8 uplink of lower cover simultaneously makes it tight against upper disk
Root 10 increases the automatic compensation performance of upper packing 10 upon wear, meanwhile, in polished rod downlink, disc spring 7 can be buffered due to upper
Frictional force between packing 10 and polished rod and generate the instantaneous impact to upper packing 10, effectively protect upper packing 10.
After 8 uplink of upper cover reaches range, after upper packing 10 is worn again, lantern ring 19 can be turned, so that lantern ring
19 drive 27 downlink of pressure ring, and pressure ring 27 moves upward 9 internal direction of packing box of horizontal mandril 21, horizontal 21 one end of mandril
Multi-directional ball 13 acts on slide bar 29, so that slide bar 29 is moved with upward 9 center position of packing box of dynamic voussoir 23, spring 29 is pressed
Contracting, vertical 25 uplink of mandril, 18 uplink of apical ring is far from far from lower cover 8, and lower cover 8 can be by apical ring 18 again to upper packing at this time
10 are held out against, and the service life of upper packing 10 is increased.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (6)
1. deviation adjustable type polished rod sealer, including lower flange (17), lower flange (17) top is provided with upper flange (1), feature
It is, upper flange (1) lower end and lower flange (17) upper end mating spherical surfaces, upper flange (1) lower end is provided with and lower flange (17)
The spherical surface of upper end is slidingly sealed the gasket (14) of cooperation, and upper flange (1) is fixedly connected with lower flange (17) by bolt (16),
Upper flange (1) threaded upper ends are connected with the lower packing box (2) of the coaxial heart, set gradually from top to bottom in lower packing box (2)
There are lower cover (4), lower packing (5) and a upper press cover (6), lower packing box (2) upper end heart direction deviation and to upper press cover (6) thereto
Stopped, lower packing box (2) threaded upper ends are connected with the upper packing box (9) of the coaxial heart, in upper packing box (9) from it is lower to
On be sequentially installed with disc spring (7), lower cover (8), apical ring (18), upper packing (10) and upper cover (11), the lower cover (8) is connected to
In packing box (9), the gap for allowing lower cover (8) uplink, the connection of upper packing box (9) threaded upper ends are provided in upper packing box (9)
Have the pressure cap (12) of stable upper cover (11), be provided on the lower cover (8) so that apical ring (18) uplink and to upper packing (10) into
The jacking apparatus that row presses closer；
The jacking apparatus includes uniformly being provided with multiple grooves (22) of lower cover (8) outer rim, on the cell wall up and down of groove (22)
It offers sliding slot (28), is provided with vertical slide bar (29) in groove (22), the upper and lower ends of slide bar (29) are slided respectively to be set
It sets in upper and lower two sliding slot (28), the vertical open pores (24) communicated therewith is offered on the lower cover (8) above groove (22), hang down
Sliding is provided with vertical mandril (25), vertical mandril (25) upper end and apical ring (18) lower end face contact, upper disk in straight aperture (24)
Offer horizontal bore (20) corresponding with groove (22) on the side wall of root box (9), be provided through in horizontal bore (20) with
The both ends of its horizontal mandril (21) being slidably matched, horizontal mandril (21) are provided with multi-directional ball (13), horizontal mandril (21) one
The multi-directional ball (13) at end is in rolling contact with slide bar (29), and slide bar (29) is towards being fixed with inclined-plane court on the end face in lower cover (8) axle center
On voussoir (23), the inclined-plane of voussoir (23) tilts upwards far from the one end in upper packing box (9) axle center, vertical mandril (25) lower end
With the contact of incline plane of voussoir (23), cell wall of the voussoir (23) on the inside of the one end and groove (22) in lower cover (8) axle center passes through bullet
Spring (26) connects, and upper packing box (9) outer rim above horizontal mandril (21) is threaded with lantern ring (19), below lantern ring (19)
It is arranged on upper packing box (9) pressure ring (27), pressure ring (27) upper end upward packing box (9) axis direction is gathered, on pressure ring (27)
End is fixedly connected with lantern ring (19), the multi-directional ball (13) on upper packing box (9) outer horizontal mandril (21) one end and pressure ring (27)
Inner edge is in rolling contact.
2. deviation adjustable type polished rod sealer according to claim 1, which is characterized in that be arranged with two on the bolt (16)
A spheric washer (15) contacted respectively with lower flange (17) and upper flange (1).
3. deviation adjustable type polished rod sealer according to claim 1, which is characterized in that the lower cover (8) is inverted trapezoidal structure,
Inverted trapezoidal annular groove is offered in upper packing box (9), lower cover (8) is connected in inverted trapezoidal annular groove, and lower cover (8) allows in inverted trapezoidal ring
Uplink in slot.
4. deviation adjustable type polished rod sealer according to claim 1, which is characterized in that upper flange (1) the upper end outer rim with
Sealing ring (3) are provided between lower packing box (2) inner edge.
5. deviation adjustable type polished rod sealer according to claim 1, which is characterized in that the upper packing (10) is to add cloth oil resistant
The monoblock type cone-type spiral sealing ring of nitrile rubber.
6. deviation adjustable type polished rod sealer according to claim 1, which is characterized in that opened on the lateral surface of the slide bar (29)
Equipped with vertical groove (30), vertical groove (30) inner edge in the multi-directional ball (13) of horizontal mandril (21) one end and slide bar (29)
It is in rolling contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822160717.9U CN209277843U (en) | 2018-12-22 | 2018-12-22 | Deviation adjustable type polished rod sealer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822160717.9U CN209277843U (en) | 2018-12-22 | 2018-12-22 | Deviation adjustable type polished rod sealer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209277843U true CN209277843U (en) | 2019-08-20 |
Family
ID=67612694
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822160717.9U Active CN209277843U (en) | 2018-12-22 | 2018-12-22 | Deviation adjustable type polished rod sealer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209277843U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115217435A (en) * | 2022-09-20 | 2022-10-21 | 胜利油田东强机电设备制造有限公司 | Polished rod sealing device with pressurization function for oil field |
-
2018
- 2018-12-22 CN CN201822160717.9U patent/CN209277843U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115217435A (en) * | 2022-09-20 | 2022-10-21 | 胜利油田东强机电设备制造有限公司 | Polished rod sealing device with pressurization function for oil field |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Liu Xicai Inventor after: Lu Jing Inventor after: Fan Chuanyong Inventor after: Li Ziguang Inventor before: Liu Xicai Inventor before: Lu Jing Inventor before: Fan Chuanyong Inventor before: Qi Lantao Inventor before: Wang Xiangming Inventor before: Li Ziguang |
|
| CB03 | Change of inventor or designer information |