CN210920280U - Hydraulic hand-operated expansion valve - Google Patents
Hydraulic hand-operated expansion valve Download PDFInfo
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- CN210920280U CN210920280U CN201921606779.6U CN201921606779U CN210920280U CN 210920280 U CN210920280 U CN 210920280U CN 201921606779 U CN201921606779 U CN 201921606779U CN 210920280 U CN210920280 U CN 210920280U
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Abstract
The utility model discloses a hydraulic manual expansion valve in the technical field of petroleum machinery, which comprises a valve body, wherein the top of the valve body is provided with a valve cover, a hydraulic cylinder is covered and spliced with a rotating sleeve, the top of the rotating sleeve is movably spliced with a mandril, the top of the mandril is provided with a hand wheel, the outer wall of the right side of the hydraulic cylinder is symmetrically provided with two groups of pressure interfaces, two groups of pressure interfaces are both provided with injection valves, the bottom of the mandril is fixedly provided with a piston, and the piston is positioned in the inner cavity of the hydraulic cylinder, the utility model is provided with the hydraulic cylinder by lengthening the valve rod, the hydraulic cylinder is provided with the pressure interface, and can be connected with a remote pressure source to achieve the aim of remotely controlling the valve, the upper part of the valve rod is provided with the rotating sleeve and the mandril, and under the condition that hydraulic control fails, the safety can be greatly improved through remote control under abnormal well conditions.
Description
Technical Field
The utility model relates to a petroleum machinery technical field specifically is a manual expansion valve of liquid.
Background
The expansion valve wide application is in oil field well head, production tree and throttle, kill-job manifold, and current expansion valve during operation needs manually to open the valve, like figure 3: the valve consists of main parts such as a valve 1, a valve body 2, a valve seat 3, a valve plate 4, a valve rod 5, a valve cover 6, a hand wheel and the like. The hand wheel is rotated to open and close the valve according to the switching direction indicated on the hand wheel, the valve rod 5 and the valve plate 4 are driven by the trapezoidal threads, and the valve plate 4 is driven to move up and down to open and close the valve. Because the valve adopts the seal structure that two flashboards that are parallel to each other and wedging device constitute to replace traditional gate valve structure, the valve plate outwards supports during actual operation, leads to extruding between the both sides of valve plate and the disk seat to the moment of torsion is too big when causing the manual work to open or close the valve, can't drive the valve plate up-and-down motion and lead to the valve to normally open and close, makes the valve inefficacy, for this reason, we provide a liquid manual expansion valve.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a manual expansion valve of liquid to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a manual expansion valve of liquid, includes the valve body, the valve body top is provided with the valve gap, the valve gap top is provided with the hydraulic cylinder lower cover, hydraulic cylinder has been cup jointed to hydraulic cylinder lower cover top outer wall, the hydraulic cylinder top is provided with the hydraulic cylinder upper cover, the grafting is provided with the rotation cover on the hydraulic cylinder upper cover, it has the ejector pin to rotate cover top activity grafting, the ejector pin top is provided with the hand wheel, hydraulic cylinder right side outer wall symmetry is provided with two sets of pressure interface, and two sets of pressure interface all is linked together with the hydraulic cylinder, and is two sets of all be provided with the filling valve on the pressure interface, the ejector pin bottom mounting is provided with the piston, and the piston is located the hydraulic cylinder inner chamber, and the piston is located and rotates the cover below, the piston.
Furthermore, the left side and the right side of the top of the valve cover are symmetrically provided with bolts, and the valve cover is fixedly connected with the middle of the top of the valve body through two groups of bolts.
Furthermore, the left side and the right side of the top of the valve cover are symmetrically provided with bolts, and the valve cover is fixedly connected with the middle of the top of the valve body through two groups of bolts.
Furthermore, the left side and the right side of the top of the upper cover of the hydraulic cylinder are symmetrically provided with fixing bolts, the upper cover of the hydraulic cylinder is connected with the lower cover of the hydraulic cylinder through the fixing bolts, and the pressure interface and the injection valve are both positioned on the front side of the fixing bolts.
Furthermore, the bottom end of the ejector rod is connected with a sealing plug, the cross section of the sealing plug is trapezoidal, the inner wall of the rotating sleeve is provided with a trapezoidal inner wall matched with the sealing plug, the bottom of the sealing plug is in threaded connection with an installation rod, and the bottom of the installation rod is connected with the top of the piston through a bolt.
Furthermore, a rubber anti-skidding sleeve is arranged on the hand wheel, and indication lines are arranged on the outer wall of the top of the hand wheel.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses an add the extension valve rod, be provided with the hydraulic cylinder simultaneously, the last pressure interface that has of hydraulic cylinder, can insert the remote pressure source, reach remote control valve's purpose, valve rod upper portion increases and rotates cover and ejector pin, under the condition that hydraulic control became invalid, the valve can be operated to manual rotatory hand wheel equally, satisfy user of service's different needs, it is more simple and convenient to operate, but remote operation, can improve the security greatly through remote control when unusual well condition, also remain the traditional operating mode of valve here simultaneously.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of the structure A of the present invention;
fig. 3 is a structural view of a conventional expansion valve.
In the figure: 1. a valve body; 2. a hydraulic cylinder; 3. an upper cover of the hydraulic cylinder; 4. a top rod; 5. a hand wheel; 6. a pressure interface; 7. an injection valve; 8. a lower cover of the hydraulic cylinder; 9. a piston; 10. a valve stem; 11. a valve cover; 12. the sleeve is rotated.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a manual hydraulic expansion valve comprises a valve body 1, wherein the valve body 1 is an existing expansion valve, a valve cover 11 is arranged at the top of the valve body 1, the valve cover 11 is used for limiting the position of a valve rod 10, a hydraulic cylinder lower cover 8 is arranged at the top of the valve cover 11 and used for installing a hydraulic cylinder 2, the hydraulic cylinder 2 is sleeved on the outer wall of the top of the hydraulic cylinder lower cover 8, a hydraulic cylinder upper cover 3 is arranged at the top of the hydraulic cylinder 2, a rotating sleeve 12 is inserted and connected on the hydraulic cylinder upper cover 3 and used for limiting a push rod 4, the top of the rotating sleeve 12 is movably inserted and connected with the push rod 4, a hand wheel 5 is arranged at the top of the push rod 4, two groups of pressure interfaces 6 are symmetrically arranged on the outer wall of the right side of the hydraulic cylinder 2 (specifically, the upper pressure interface 6 is positioned above a piston 9, the lower pressure interface 6 is positioned below the piston 9 and used for being connected, the bottom end of the ejector rod 4 is fixedly provided with a piston 9, the piston 9 is located in the inner cavity of the hydraulic cylinder 2, the piston 9 is located below the rotating sleeve 12, the bottom of the piston 9 is provided with a valve rod 10, and the bottom end of the valve rod 10 is connected with the valve body 1 and used for controlling the opening or closing of the valve.
As shown in fig. 1: bolts are symmetrically arranged on the left side and the right side of the top of the valve cover 11, and the valve cover 11 is fixedly connected with the middle position of the top of the valve body 1 through two groups of bolts, so that the sealing property is ensured;
as shown in fig. 1: the outer wall of the top of the valve cover 11 is provided with external threads, the bottom of the inner wall of the hydraulic cylinder lower cover 8 is provided with internal threads matched with the external threads, the outer wall of the bottom of the rotating sleeve 12 is provided with external threads, the top of the inner wall of the hydraulic cylinder upper cover 3 is provided with internal threads matched with the external threads, and the valve cover 11, the hydraulic cylinder lower cover 8, the hydraulic cylinder upper cover 3 and the rotating sleeve 12 are connected in a threaded manner, so that the sealing performance is guaranteed, and meanwhile, the mounting and the dismounting are;
as shown in fig. 1: the left side and the right side of the top of the hydraulic cylinder upper cover 3 are symmetrically provided with fixing bolts, the hydraulic cylinder upper cover 3 is connected with a hydraulic cylinder lower cover 8 through the fixing bolts, and the pressure interface 6 and the injection valve 7 are both positioned on the front side of the fixing bolts, so that the fixity of the hydraulic cylinder 2 is improved;
as shown in fig. 1: the bottom end of the ejector rod 4 is connected with a sealing plug, the section of the sealing plug is trapezoidal, the inner wall of the rotating sleeve 12 is provided with a trapezoidal inner wall matched with the sealing plug, the sealing performance between the ejector rod 4 and the rotating sleeve 12 is guaranteed, the bottom of the sealing plug is in threaded connection with an installation rod, and the bottom of the installation rod is connected with the top of the piston 9 through a bolt;
as shown in fig. 1: be provided with rubber antiskid cover on the hand wheel 5, improve the frictional force with the user contact, avoid producing the smooth maloperation of hand, and 5 top outer walls of hand wheel are provided with the instruction line, and it is clear when instructing the user to rotate that open the valve or close the valve to instruct the line.
Example (b): when the valve is used, the upper pressure interface 6 and the lower pressure interface 6 of the hydraulic cylinder 2 are connected with a pressure source to control the injection valve 7, when the lower pressure interface 6 is pressurized, the valve rod 10 can be pushed by the piston 9 to open the valve, when the upper pressure interface 6 is pressurized, the valve rod 10 can be pushed by the piston 9 to close the valve, and meanwhile, the hand wheel 5 can be manually rotated manually to open or close the valve through the ejector rod 4 and the valve rod 10.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a manual inflation valve of liquid, includes valve body (1), its characterized in that: the valve comprises a valve body (1), a valve cover (11) is arranged at the top of the valve body (1), a hydraulic cylinder lower cover (8) is arranged at the top of the valve cover (11), a hydraulic cylinder (2) is sleeved on the outer wall of the top of the hydraulic cylinder lower cover (8), a hydraulic cylinder upper cover (3) is arranged at the top of the hydraulic cylinder (2), a rotating sleeve (12) is arranged on the hydraulic cylinder upper cover (3) in an inserted manner, a push rod (4) is movably inserted at the top of the rotating sleeve (12), a hand wheel (5) is arranged at the top of the push rod (4), two groups of pressure interfaces (6) are symmetrically arranged on the outer wall of the right side of the hydraulic cylinder (2), the two groups of pressure interfaces (6) are communicated with the hydraulic cylinder (2), injection valves (7) are arranged on the two groups of pressure interfaces (6), a piston (9) is fixedly arranged at the bottom end of the push rod (4), the piston (9), the valve is characterized in that a valve rod (10) is arranged at the bottom of the piston (9), and the bottom end of the valve rod (10) is connected with the valve body (1).
2. The manual hydraulic expansion valve of claim 1, further comprising: the left side and the right side of the top of the valve cover (11) are symmetrically provided with bolts, and the valve cover (11) is fixedly connected with the middle of the top of the valve body (1) through two groups of bolts.
3. The manual hydraulic expansion valve of claim 1, further comprising: valve gap (11) top outer wall is provided with the external screw thread, and hydraulic cylinder lower cover (8) inner wall bottom be provided with thread fit's internal thread, it is provided with the external screw thread to rotate cover (12) bottom outer wall, and hydraulic cylinder upper cover (3) inner wall top be provided with thread fit's internal thread, valve gap (11) and hydraulic cylinder lower cover (8), hydraulic cylinder upper cover (3) and rotation cover (12) all are connected through the mode of spiro union.
4. The manual hydraulic expansion valve of claim 1, further comprising: the hydraulic cylinder is characterized in that fixing bolts are symmetrically arranged on the left side and the right side of the top of the hydraulic cylinder upper cover (3), the hydraulic cylinder upper cover (3) is connected with a hydraulic cylinder lower cover (8) through the fixing bolts, and the pressure interface (6) and the injection valve (7) are located on the front side of the fixing bolts.
5. The manual hydraulic expansion valve of claim 1, further comprising: the bottom end of the ejector rod (4) is connected with a sealing plug, the cross section of the sealing plug is trapezoidal, the inner wall of the rotating sleeve (12) is provided with a trapezoidal inner wall matched with the sealing plug, the bottom of the sealing plug is in threaded connection with an installation rod, and the bottom of the installation rod is connected with the top of the piston (9) through a bolt.
6. The manual hydraulic expansion valve of claim 1, further comprising: the hand wheel (5) is provided with a rubber anti-skidding sleeve, and the outer wall of the top of the hand wheel (5) is provided with indication lines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921606779.6U CN210920280U (en) | 2019-09-25 | 2019-09-25 | Hydraulic hand-operated expansion valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921606779.6U CN210920280U (en) | 2019-09-25 | 2019-09-25 | Hydraulic hand-operated expansion valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210920280U true CN210920280U (en) | 2020-07-03 |
Family
ID=71364160
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921606779.6U Active CN210920280U (en) | 2019-09-25 | 2019-09-25 | Hydraulic hand-operated expansion valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210920280U (en) |
-
2019
- 2019-09-25 CN CN201921606779.6U patent/CN210920280U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A liquid manual expansion valve Effective date of registration: 20230414 Granted publication date: 20200703 Pledgee: Jiangsu Jinhu Rural Commercial Bank Co.,Ltd. Pledgor: JIANGSU ZHENGXUAN PETROLEUM MACHINERY Co.,Ltd. Registration number: Y2023980038111 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |