CN210014027U - Throttle valve for oil exploitation device - Google Patents
Throttle valve for oil exploitation device Download PDFInfo
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- CN210014027U CN210014027U CN201920313524.4U CN201920313524U CN210014027U CN 210014027 U CN210014027 U CN 210014027U CN 201920313524 U CN201920313524 U CN 201920313524U CN 210014027 U CN210014027 U CN 210014027U
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- guide plate
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Abstract
The utility model provides a throttle valve for an oil exploitation device, which comprises a valve body, a valve rod, a valve clack, a guide plate, an extension spring, a rotating plate and a hand wheel; a valve seat is arranged at the joint of the fluid inlet and the fluid outlet in the valve body, the valve clack can be inserted into the valve seat to close the valve seat, and the valve clack is arranged at the bottom of the valve rod; the valve rod is arranged in the valve body, and the top of the valve rod is provided with a hand wheel; an adjusting cavity is arranged in the valve body and is positioned right above the valve seat, the guide plate and the extension spring are both positioned in the adjusting cavity, the guide plate and the rotating plate are both coaxially arranged with the valve rod, the guide plate is fixedly connected with the valve rod, and the rotating plate is movably connected with the valve rod; the side wall of the guide plate is in threaded connection with the inner wall of the adjusting cavity; the rotating plate is positioned above the guide plate, and the peripheral outer edge of the rotating plate is embedded into the valve body; the upper end and the lower end of the extension spring are respectively fixed on the rotating plate and the guide plate. The utility model discloses a deflector can assist the height of adjusting valve rod and the downside of restriction valve rod rocks, has improved the regulation precision of valve.
Description
Technical Field
The utility model belongs to the technical field of oil development machine parts, concretely relates to choke valve for oil development device.
Background
A choke valve is required on oil production equipment to regulate fluid flow. The valve stem of a throttle valve is usually an elongated cylindrical rod, and a valve flap is mounted at the end of the valve stem remote from the hand wheel, so that the valve flap closes or opens a valve seat in the valve body, thereby closing or opening a fluid passage. However, since the valve rod is long, when the hand wheel is rotated, the valve clack at the lower end of the valve rod slightly shakes, so that the valve clack cannot be accurately inserted into the valve seat, the flow regulation of the valve is inaccurate, or the valve clack frequently collides with the valve seat, and the service lives of the valve clack and the valve seat are shortened.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an oil development is choke valve for device, the valve rod lower extreme of this choke valve is difficult for rocking, makes the valve clack reciprocate for the disk seat accurately, and flow control is accurate.
The utility model provides a following technical scheme:
a throttle valve for an oil exploitation device comprises a valve body, a valve rod, a valve clack, a guide plate, a spring, a rotating plate and a hand wheel; the valve body is internally provided with a fluid inlet and a fluid outlet which can be communicated with each other, a valve seat for conducting fluid is arranged at the joint of the fluid inlet and the fluid outlet, the top of the longitudinal section of the valve seat is conical, the valve clack is matched with the valve seat in structure, the valve clack can be inserted into the valve seat to close the valve seat, and the valve clack is coaxially arranged at the bottom of the valve rod; the valve rod is vertically arranged in the valve body, the top of the valve rod extends out of the valve body, and a hand wheel is arranged at the top of the valve rod; a cylindrical adjusting cavity is further arranged in the valve body, the adjusting cavity is located right above the valve seat, the guide plate and the spring are located in the adjusting cavity, the guide plate and the rotating plate are both of a circular structure and are coaxially arranged with the valve rod, the guide plate is fixedly connected with the valve rod, and the rotating plate is movably connected with the valve rod; the side wall of the guide plate is in threaded connection with the inner wall of the adjusting cavity, and the guide plate is used for changing the height of the valve rod and limiting the lower side of the valve rod to shake; the rotating plate is positioned above the guide plate, the peripheral outer edge of the rotating plate is embedded into the valve body, and the rotating plate can also rotate relative to the valve body; the upper end and the lower end of the spring are respectively fixed on the rotating plate and the guide plate.
Preferably, the upside of valve body is equipped with the annular mounting groove that matches with the rotor plate, and annular mounting groove level sets up, and the circumference outer fringe of rotor plate imbeds in the annular mounting groove.
Preferably, the guide plate is an annular plate, a mounting hole for extending out the valve rod is formed in the center of the guide plate, and a plurality of pressure-equalizing communication structures are further arranged on the guide plate.
Preferably, the pressure equalizing communication structure is a pressure equalizing groove recessed from one side of the excircle circumferential mounting hole of the guide plate.
Preferably, the hook ring is fixed at the bottom of the rotating plate, the hook capable of being inserted into the hook ring is arranged at the top of the spring, and the spring is fixed on the rotating plate through the hook and the hook ring.
Preferably, the guide plate is welded to the valve stem.
Preferably, the flange is installed at the top of valve body, and the central authorities of flange and valve body all are equipped with the pole hole that supplies the valve rod to pass through, and it is sealed to fill between the inside wall in two pole holes and the valve rod, and the sealed top of packing is compressed tightly in the pole hole by pressing the cover.
The utility model has the advantages that: the guide plate of the utility model is fixed at the lower side of the valve rod and is in threaded connection with the inner wall of the adjusting cavity, on one hand, the guide plate can rotate along with the valve rod, thereby changing the height of the valve clack at the bottom end of the valve rod, further changing the flow area between the valve clack and the valve seat, and playing a throttling role; on the other hand, the deflector is located the bottom of valve rod, keeps away from the hand wheel, and the valve rod bottom takes place to rock when can prevent to operate the hand wheel, has increased the stability of operation. The guide plate is connected with the rotating plate through the spring, and the spring generates a damping effect on the movement of the guide plate, so that the height of the valve rod can be stably adjusted when the hand wheel is rotated, and inaccurate adjustment of the opening degree of the valve caused by too fast rotation of the hand wheel is avoided. The upper end of the spring is fixed on the rotatable rotating plate, so that the spring can rotate together with the guide plate, and the operability of the guide plate is ensured.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic view of the internal structure of the present invention;
fig. 2 is a schematic top view of the guide plate of the present invention;
labeled as: 1. a valve body; 2. a valve stem; 3. a valve flap; 4. a guide plate; 5. a spring; 6. a rotating plate; 7. a hand wheel; 8. a fluid inlet; 9. a fluid outlet; 10. a valve seat; 11. an adjustment chamber; 12. an annular mounting groove; 13. mounting holes; 14. a pressure equalizing groove; 15. a shackle; 16. hooking; 17. a flange; 18. packing and sealing; 19. and (5) pressing the sleeve.
Detailed Description
As shown in fig. 1 and 2, a throttle valve for an oil extraction device comprises a valve body 1, a valve rod 2, a valve clack 3, a guide plate 4, a spring 5, a rotating plate 6 and a hand wheel 7; the valve body 1 is internally provided with a fluid inlet 8 and a fluid outlet 9 which can be communicated with each other, a valve seat 10 for conducting fluid is arranged at the joint of the fluid inlet 8 and the fluid outlet 9, the valve seat 10 is integrally circular, the top of the longitudinal section of the valve seat 10 is conical, the valve clack 3 is matched with the valve seat 10 in structure, and the conical bottom of the valve clack 3 can be inserted into the valve seat 10 to close the valve seat 10 or gradually get away from the valve seat 10 to enable the fluid to be communicated between the fluid inlet 8 and the fluid outlet 9. The valve clack 3 is coaxially arranged at the bottom of the valve rod 2; the valve rod 2 is vertically installed in the valve body 4, the top of the valve rod 2 extends out of the valve body 1, the hand wheel 7 is installed at the top of the valve rod 2, and the hand wheel 7 is rotated to drive the valve rod 2 to rotate together. Still be equipped with columniform regulation chamber 11 in the valve body 1, adjust the position of chamber 11 and be located valve seat 10 directly over, adjust chamber 11 and fluid entry intercommunication, deflector 4 and spring 5 all are located and adjust chamber 11. The guide plate 4 and the rotating plate 6 are both of circular structures and are coaxially arranged with the valve rod 2, the guide plate 4 and the valve rod 2 are fixedly welded, and the rotating plate 6 is movably connected with the valve rod 2; the side wall of the guide plate 4 is in threaded connection with the inner wall of the adjusting cavity 11, and when the hand wheel 7 is rotated, the guide plate 4 can ascend or descend along the threaded side wall of the adjusting cavity 11, so that the height of the valve rod 2 is slowly changed, and meanwhile, the lower side of the valve rod 2 is limited to shake. The rotating plate 6 is positioned above the guide plate 4, the rotating plate 6 can rotate relative to the valve body 1, the circumferential outer edge of the rotating plate 6 is embedded into the valve body 1, so that the rotating plate 6 is limited to move up and down, and the rotating plate 6 and the guide plate 4 can provide reverse tension for the spring 5; the upper end and the lower end of the spring 5 are respectively fixed on the rotating plate 6 and the guide plate 4, and the spring 5 generates damping action on the movement of the guide plate 4, so that the height of the valve rod 2 can be stably adjusted when the hand wheel 7 is rotated, and the adjusting precision is improved. The number of the springs 5 is four, and the four springs 5 are uniformly distributed on the same circumference of the guide plate.
The upside of valve body 1 is equipped with annular mounting groove 12 with rotor plate 6 matching, and annular mounting groove 12 level sets up, and in rotor plate 6's the circumference outer fringe embedding annular mounting groove 12, annular mounting groove 12 restriction rotor plate 6 reciprocated.
As shown in fig. 2, the guide plate 4 is a ring-shaped plate, the central portion of the guide plate 4 is provided with a mounting hole 13 for extending out of the valve rod 2, the guide plate 4 is further provided with a plurality of pressure-equalizing communication structures, and the pressure-equalizing communication structures enable the pressure in the cavities at the upper side and the lower side of the guide plate 4 to be equal, so that the cavity above the guide plate 4 cannot be extruded by the guide plate 4 to generate positive pressure, and the lifting action of the valve rod 2 is easier.
The pressure equalizing communication structure is a pressure equalizing groove 14 which is recessed from one side of the excircle circumference mounting hole 13 of the guide plate 4. The spring can be installed by extending the spring above the pressure equalization groove 4.
A hook ring 15 is fixed at the bottom of the rotating plate 6, a hook 16 which can be inserted into the hook ring 15 is arranged at the top of the spring 5, and the spring 5 is fixed on the rotating plate 6 through the hook 16 and the hook ring 15. The installation process of the spring 4 is as follows: the bottom end of the spring 5 is welded on the guide plate 4, the guide plate 4 is welded on the valve rod 2, and then the hook 16 at the top of the spring 5 is clamped into the hook ring 15 at the bottom of the rotating plate through the pressure equalizing groove 14.
The flange 17 is installed at the top of valve body 1, and the central authorities of flange 17 and valve body 1 all are equipped with the pole hole that supplies valve rod 2 to pass through, and it has packing seal 18 to fill between the inside wall in two upper and lower pole holes and valve rod 2, and packing seal 18's top is compressed tightly in the pole hole by pressing the cover 19.
The working process of the throttle valve is as follows: when the valve needs to be closed, the hand wheel 7 is rotated clockwise, the hand wheel 7 drives the guide plate 4 and the valve clack 3 to move downwards until the valve clack 3 completely closes the valve seat 10, and the valve is closed. Meanwhile, the guide plate 4 prevents the valve rod 2 from shaking left and right in the process, and the spring 5 plays a damping role in the movement of the guide plate 4, so that the height of the valve rod can be stably adjusted when the hand wheel is rotated. When the valve needs to be opened, the hand wheel 7 is rotated anticlockwise, the hand wheel 7 drives the guide plate 4 and the valve clack 3 to move upwards along the adjusting cavity 11, the valve clack 3 is separated from the valve seat 10, and the fluid inlet 8 and the fluid outlet 9 are gradually communicated.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A throttle valve for an oil exploitation device is characterized by comprising a valve body, a valve rod, a valve clack, a guide plate, a spring, a rotating plate and a hand wheel; a fluid inlet and a fluid outlet which can be communicated with each other are arranged in the valve body, a valve seat for conducting fluid is arranged at the joint of the fluid inlet and the fluid outlet, the top of the longitudinal section of the valve seat is conical, the valve clack is coaxially arranged at the bottom of the valve rod, the valve clack is matched with the valve seat in structure, and the valve clack can be inserted into the valve seat to close the valve seat; the valve rod is vertically arranged in the valve body, the top of the valve rod extends out of the valve body, and the hand wheel is arranged on the top of the valve rod; a cylindrical adjusting cavity is further arranged in the valve body and is positioned right above the valve seat, the guide plate and the spring are both positioned in the adjusting cavity, the guide plate and the rotating plate are both of a circular structure and are coaxially arranged with the valve rod, the guide plate is fixedly connected with the valve rod, and the rotating plate is movably connected with the valve rod; the side wall of the guide plate is in threaded connection with the inner wall of the adjusting cavity, and the guide plate can limit the lower side of the valve rod to shake; the rotating plate is positioned above the guide plate, the peripheral edge of the rotating plate is embedded into the valve body, and the rotating plate can rotate relative to the valve body; the upper end and the lower end of the spring are respectively fixed on the rotating plate and the guide plate.
2. The throttle valve for oil recovery devices according to claim 1, wherein an annular installation groove is formed on the upper side of the valve body to match the rotary plate, the annular installation groove is horizontally formed, and the circumferential outer edge of the rotary plate is fitted into the annular installation groove.
3. The throttling valve for oil exploitation devices according to claim 2, wherein the guide plate is an annular plate, a mounting hole for extending the valve rod is formed in the center of the guide plate, and a plurality of pressure equalizing communication structures are further formed in the guide plate.
4. The throttle valve for oil exploitation device according to claim 3, wherein the pressure equalizing communication structure is a pressure equalizing groove recessed from the outer circumference of the guide plate to the side of the installation hole.
5. The throttle valve for oil recovery devices according to claim 4, wherein a hook is fixed to the bottom of the rotary plate, and a hook is provided at the top of the spring so as to be inserted into the hook, and the spring is fixed to the rotary plate via the hook and the hook.
6. The choke valve for oil recovery devices according to claim 1, wherein the guide plate is welded to the valve stem.
7. The throttling valve for the oil exploitation device according to claim 1, wherein a flange is installed at the top of the valve body, a rod hole for the valve rod to pass through is formed in the centers of the flange and the valve body, a packing seal is filled between the inner side walls of the upper and lower rod holes and the valve rod, and the top of the packing seal is pressed in the rod hole by a pressing sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920313524.4U CN210014027U (en) | 2019-03-12 | 2019-03-12 | Throttle valve for oil exploitation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920313524.4U CN210014027U (en) | 2019-03-12 | 2019-03-12 | Throttle valve for oil exploitation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210014027U true CN210014027U (en) | 2020-02-04 |
Family
ID=69313434
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920313524.4U Active CN210014027U (en) | 2019-03-12 | 2019-03-12 | Throttle valve for oil exploitation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210014027U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111765063A (en) * | 2020-09-03 | 2020-10-13 | 山东威盟石油机械有限公司 | In-line compact gas booster |
| CN113883314A (en) * | 2021-10-26 | 2022-01-04 | 昆山莱恒洁净材料有限公司 | Electric pressure reducing valve |
-
2019
- 2019-03-12 CN CN201920313524.4U patent/CN210014027U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111765063A (en) * | 2020-09-03 | 2020-10-13 | 山东威盟石油机械有限公司 | In-line compact gas booster |
| CN113883314A (en) * | 2021-10-26 | 2022-01-04 | 昆山莱恒洁净材料有限公司 | Electric pressure reducing valve |
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