CN214196250U - Self-tightening deviation-adjusting type petroleum exploitation polish rod sealer - Google Patents
Self-tightening deviation-adjusting type petroleum exploitation polish rod sealer Download PDFInfo
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- CN214196250U CN214196250U CN202022870406.9U CN202022870406U CN214196250U CN 214196250 U CN214196250 U CN 214196250U CN 202022870406 U CN202022870406 U CN 202022870406U CN 214196250 U CN214196250 U CN 214196250U
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Abstract
The self-tightening deviation-adjusting type oil exploitation polished rod sealer is sequentially provided with a lubricating mechanism, a sealing mechanism, a deviation-adjusting mechanism and a blowout prevention mechanism from top to bottom, the lubricating mechanism, the sealing mechanism, the deviation-adjusting mechanism and the blowout prevention mechanism are all provided with a pore passage which is corresponding to each other and through which a polished rod passes, the sealing mechanism comprises a packing shell, a sealing packing, a packing press shell and a compression spring, the sealing packing is placed in a packing groove of the packing shell, the shape of the packing groove and the shape of the sealing packing are matched and are in a large-end-down inverted round platform shape, the compression spring is connected between the bottom of the packing groove and the sealing packing, the bottom of a movable ball seat of the deviation-adjusting mechanism is in sealing fit with the bottom of a lower bearing seat and can be adjusted in a radial movement on the movable ball seat, a deviation-adjusting ball is in sealing fit with the movable ball seat, and a movable ball receiving ring groove matched with the movable ball in the blowout prevention mechanism are arranged. The utility model discloses can reduce the loss rate of sealed packing, prolong its life, and have the function of preventing the blowout oil leakage.
Description
Technical Field
The utility model relates to an oil well head technical field, concretely relates to from tight tuningout formula oil development polished rod sealing ware.
Background
The polish rod sealer is a wellhead sealing device of an oil pumping well for sealing an annular space between a polish rod and an oil pipe, and mainly has the advantages that the polish rod is sealed through a sealing element, when equipment runs for a long time, the polish rod is easy to deflect in different amplitudes, sealing packing in the polish rod sealer is caused to generate large abrasion, the service life of bee packing can be reduced for a long time, workers need to be frequently replaced, and working efficiency and maintenance cost are influenced. In addition, the polished rod has the risk of breaking the pole in use, and the broken pole falls into the back oil blowout from the hole that can not the shutoff below, causes the well head to run oil and pollutes, is potential safety hazard.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a from tight tuningout formula oil development polished rod sealing ware with function of rectifying, reduce sealed packing and change frequency, prevent the blowout.
The technical scheme of the utility model as follows:
the utility model discloses a from tight tuningout formula oil development polished rod sealing ware, its characterized in that: the device is characterized in that a lubricating mechanism, a sealing mechanism, an offset adjusting mechanism and a blowout prevention mechanism are sequentially arranged from top to bottom, and the middles of the lubricating mechanism, the sealing mechanism, the offset adjusting mechanism and the blowout prevention mechanism are respectively provided with a pore passage which is corresponding to each other and through which a light rod passes; the lubricating mechanism comprises an oil storage tank, an oil storage chamber is arranged in the oil storage tank, an oil inlet hole leading to the oil storage chamber is formed in the side wall of the oil storage tank, oil absorption cotton is arranged in the oil storage chamber, a key communicated with the inside and the outside is arranged at the top of the oil storage tank, and the bottom of the key is pressed on the top of the oil absorption cotton through a spring pressing plate; the sealing mechanism comprises a packing shell, a sealing packing, a packing press shell and a compression spring, wherein the sealing packing is placed in a packing groove of the packing shell, the packing groove and the sealing packing are matched in shape and are in a shape of an inverted round platform with a large upper part and a small lower part, the compression spring is connected between the bottom of the packing groove and the sealing packing, the top of the packing press shell is connected with the bottom of the oil storage tank, and the packing press shell is pressed on the top of the sealing packing; the deviation adjusting mechanism comprises a deviation adjusting ball body, a movable ball seat, an upper pressing seat, a lower bearing seat and a pressing ring, the upper pressing seat is pressed on the lower bearing seat, the deviation adjusting ball body is connected to the bottom of the packing shell and penetrates under the upper pressing seat, the pressing ring is arranged at the top in the upper pressing seat, a pressing surface matched with the deviation adjusting ball seat is arranged below the pressing ring, the pressing surface of the pressing ring is pressed on the deviation adjusting ball seat, the movable ball seat is arranged in the lower bearing seat, the bottom of the movable ball seat is in sealing fit with the bottom in the lower bearing seat and can move and adjust in the radial direction on the movable ball seat, and the deviation adjusting ball body is in sealing fit with the movable ball seat; the blowout prevention mechanism comprises a blowout prevention pressure seat, a blowout prevention cavity and a movable ball, the top of the blowout prevention pressure seat is connected with the bottom of the lower bearing seat, the blowout prevention pressure seat covers the blowout prevention cavity, the movable ball is arranged between the blowout prevention pressure seat and the blowout prevention cavity, the bottom of the blowout prevention pressure seat is provided with a conical surface, and the diameter of the movable ball is larger than that of the hole channel.
The oil absorption cotton is annular, and the number of the keys is 2.
And a ball receiving ring groove is formed in the bottom of the blowout prevention pressure seat beside the pore channel, and the ball receiving ring groove is matched with the spherical surface of the movable ball in shape.
And a handle is arranged on the outer wall of the upper pressing seat.
The utility model discloses the beneficial technological effect who has: the lubricating mechanism which is convenient for adding lubricating oil provided by the utility model reduces the loss of the sealing packing; when the connecting part of the sealing packing and the polish rod is excessively worn, the packing pressing shell presses down to force the sealing packing to expand towards the horizontal direction, so that the sealing packing tightly urges the polish rod again to recover to normal, and the replacement and maintenance frequency of the sealing packing is reduced; a radial and angle adjusting space is provided for the polish rod through the deviation adjusting mechanism, so that the wear rate of the polish rod is reduced; when the broken rod occurs, the movable ball of the blowout prevention mechanism is supported by upwelled oil and then props against the ball receiving ring groove, so that the pore channel is sealed, the occurrence of blowout oil leakage accidents is avoided, and the production safety is improved.
Drawings
The technical solution of the present invention will be further explained with reference to the accompanying drawings.
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: 1-lubricating mechanism, 2-sealing mechanism, 3-deviation adjusting mechanism, 4-blowout prevention mechanism, 5-pore channel, 6-oil storage tank, 7-oil storage chamber, 8-oil inlet hole, 9-oil absorption cotton, 10-button, 11-spring pressure plate, 12-packing shell, 13-sealing packing, 14-packing press shell, 15-compression spring, 16-packing groove, 17-deviation adjusting sphere, 18-movable ball seat, 19-upper press seat, 20-lower press seat, 21-press ring, 22-blowout prevention press seat, 23-blowout prevention cavity, 24-movable ball, 25-ball containing ring groove, 26-handle and 27-polish rod.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1, the self-tightening deviation-adjusting type petroleum exploitation polish rod sealer is sequentially provided with a lubricating mechanism 1, a sealing mechanism 2, a deviation-adjusting mechanism 3 and a blowout prevention mechanism 4 from top to bottom, and the middles of the lubricating mechanism 1, the sealing mechanism 2, the deviation-adjusting mechanism 3 and the blowout prevention mechanism 4 are respectively provided with a pore passage 5 through which a polish rod 27 penetrates, wherein the pore passages correspond to each other; the lubricating mechanism 1 comprises an oil storage tank 6, an oil storage chamber 7 is arranged in the oil storage tank 6, an oil inlet 8 leading to the oil storage chamber 7 is formed in the side wall of the oil storage tank 6, oil absorption cotton 9 is arranged in the oil storage chamber 7, a key 10 communicated with the inside and the outside is arranged at the top of the oil storage tank 6, and the bottom of the key 10 is pressed on the top of the oil absorption cotton 9 through a spring pressing plate 11; the sealing mechanism 2 comprises a packing shell 12, a sealing packing 13, a packing press shell 14 and a compression spring 15, wherein the sealing packing 13 is placed in a packing groove 16 of the packing shell 12, the packing groove 16 and the sealing packing 13 are matched in shape and are in a shape of an inverted round table with a large upper part and a small lower part, the compression spring 15 is connected between the bottom of the packing groove 16 and the sealing packing 13, the top of the packing press shell 14 is connected with the bottom of the oil storage tank 6, and the packing press shell 14 is pressed on the top of the sealing packing 13; the deviation adjusting mechanism 3 comprises a deviation adjusting sphere 17, a movable ball 24 seat 18, an upper pressing seat 19, a lower bearing seat 20 and a pressing ring 21, the upper pressing seat 19 is pressed on the lower bearing seat 20, the deviation adjusting sphere 17 is connected to the bottom of the packing shell 12 and penetrates under the upper pressing seat 19, the pressing ring 21 is arranged at the top in the upper pressing seat 19, a pressing surface matched with the deviation adjusting ball seat is arranged below the pressing ring 21, the pressing surface of the pressing ring 21 is pressed on the deviation adjusting ball seat, the movable ball 24 seat 18 is arranged in the lower bearing seat 20, the bottom of the movable ball 24 seat 18 is in sealing fit with the inner bottom of the lower bearing seat 20 and can move and adjust in the radial direction above the pressing surface, and the deviation adjusting sphere 17 is in sealing fit with the movable ball 24 seat 18; the blowout prevention mechanism 4 comprises a blowout prevention pressure seat 22, a blowout prevention cavity 23 and a movable ball 24, the top of the blowout prevention pressure seat 22 is connected with the bottom of the lower seat 20, the blowout prevention pressure seat 22 covers the blowout prevention cavity 23, the movable ball 24 is arranged between the blowout prevention pressure seat 22 and the blowout prevention cavity 23, the bottom of the blowout prevention pressure seat 22 is provided with a conical surface, and the diameter of the movable ball 24 is larger than that of the hole passage 5.
The oil absorption cotton 9 is annular, and the number of the press keys 10 is 2.
The bottom of the blowout prevention pressure seat 22 is provided with a ball receiving ring groove 25 beside the pore canal 5, and the ball receiving ring groove 25 is matched with the spherical shape of the movable ball 24.
The outer wall of the upper pressing seat 19 is provided with a handle 26.
The working principle of the example is as follows:
lubricating oil is added into the oil storage tank 6 from the oil inlet hole 8 by the lubricating mechanism 1, the lubricating oil is sucked and stored by the oil absorption cotton 9, the key 10 is pressed down when needed, the oil absorption cotton 9 is extruded by the spring pressing plate 11 to extrude the lubricating oil, and the lubricating oil flows to the sealing packing 13 below from the pore passage 5 to increase the lubricating property and reduce the loss of the sealing packing 13.
The sealing packing 13 in the sealing mechanism 2 is matched with the packing groove 16, the packing press shell 14 and the compression spring 15, when the part of the connecting part of the sealing packing 13 and the polished rod 27 is abraded too much, the packing press shell 14 presses down to force the sealing packing 13 to expand towards the horizontal direction, so that the sealing packing 13 forces the polished rod 27 to recover to normal again, and the replacement and maintenance frequency of the sealing packing 13 is reduced.
The radial and angular adjustment space is provided for the polish rod 27 through the deviation adjusting mechanism 3, and the wear rate of the polish rod 27 is reduced.
When the rod is broken, the movable ball 24 of the blowout prevention mechanism 4 is supported by upwelled oil and then props against the ball receiving ring groove 25, so that the pore passage 5 is sealed, the occurrence of blowout oil leakage accidents is avoided, and the production safety is improved.
The above is only a specific application example of the present invention, and does not constitute any limitation to the protection scope of the present invention. All the technical solutions formed by equivalent transformation or equivalent replacement fall within the protection scope of the present invention.
Claims (4)
1. From tight tuningout formula oil development polished rod sealing ware, its characterized in that: the device is characterized in that a lubricating mechanism, a sealing mechanism, an offset adjusting mechanism and a blowout prevention mechanism are sequentially arranged from top to bottom, and the middles of the lubricating mechanism, the sealing mechanism, the offset adjusting mechanism and the blowout prevention mechanism are respectively provided with a pore passage which is corresponding to each other and through which a light rod passes; the lubricating mechanism comprises an oil storage tank, an oil storage chamber is arranged in the oil storage tank, an oil inlet hole leading to the oil storage chamber is formed in the side wall of the oil storage tank, oil absorption cotton is arranged in the oil storage chamber, a key communicated with the inside and the outside is arranged at the top of the oil storage tank, and the bottom of the key is pressed on the top of the oil absorption cotton through a spring pressing plate; the sealing mechanism comprises a packing shell, a sealing packing, a packing press shell and a compression spring, wherein the sealing packing is placed in a packing groove of the packing shell, the packing groove and the sealing packing are matched in shape and are in a shape of an inverted round platform with a large upper part and a small lower part, the compression spring is connected between the bottom of the packing groove and the sealing packing, the top of the packing press shell is connected with the bottom of the oil storage tank, and the packing press shell is pressed on the top of the sealing packing; the deviation adjusting mechanism comprises a deviation adjusting ball body, a movable ball seat, an upper pressing seat, a lower bearing seat and a pressing ring, the upper pressing seat is pressed on the lower bearing seat, the deviation adjusting ball body is connected to the bottom of the packing shell and penetrates under the upper pressing seat, the pressing ring is arranged at the top in the upper pressing seat, a pressing surface matched with the deviation adjusting ball seat is arranged below the pressing ring, the pressing surface of the pressing ring is pressed on the deviation adjusting ball seat, the movable ball seat is arranged in the lower bearing seat, the bottom of the movable ball seat is in sealing fit with the bottom in the lower bearing seat and can move and adjust in the radial direction on the movable ball seat, and the deviation adjusting ball body is in sealing fit with the movable ball seat; the blowout prevention mechanism comprises a blowout prevention pressure seat, a blowout prevention cavity and a movable ball, the top of the blowout prevention pressure seat is connected with the bottom of the lower bearing seat, the blowout prevention pressure seat covers the blowout prevention cavity, the movable ball is arranged between the blowout prevention pressure seat and the blowout prevention cavity, the bottom of the blowout prevention pressure seat is provided with a conical surface, and the diameter of the movable ball is larger than that of the hole channel.
2. The self-tightening offset petroleum production polish rod sealer of claim 1, wherein: the oil absorption cotton is annular, and the number of the keys is 2.
3. The self-tightening offset petroleum production polish rod sealer of claim 1, wherein: and a ball receiving ring groove is formed in the bottom of the blowout prevention pressure seat beside the pore channel, and the ball receiving ring groove is matched with the spherical surface of the movable ball in shape.
4. The self-tightening offset petroleum production polish rod sealer of claim 1, wherein: and a handle is arranged on the outer wall of the upper pressing seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022870406.9U CN214196250U (en) | 2020-12-01 | 2020-12-01 | Self-tightening deviation-adjusting type petroleum exploitation polish rod sealer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022870406.9U CN214196250U (en) | 2020-12-01 | 2020-12-01 | Self-tightening deviation-adjusting type petroleum exploitation polish rod sealer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214196250U true CN214196250U (en) | 2021-09-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022870406.9U Active CN214196250U (en) | 2020-12-01 | 2020-12-01 | Self-tightening deviation-adjusting type petroleum exploitation polish rod sealer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214196250U (en) |
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2020
- 2020-12-01 CN CN202022870406.9U patent/CN214196250U/en active Active
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