CN113217696B - Novel plunger valve - Google Patents
Novel plunger valve Download PDFInfo
- Publication number
- CN113217696B CN113217696B CN202110010425.0A CN202110010425A CN113217696B CN 113217696 B CN113217696 B CN 113217696B CN 202110010425 A CN202110010425 A CN 202110010425A CN 113217696 B CN113217696 B CN 113217696B
- Authority
- CN
- China
- Prior art keywords
- plunger
- valve
- rod
- piece
- crank
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/52—Mechanical actuating means with crank, eccentric, or cam
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/36—Valve members
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/60—Handles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L21/00—Joints with sleeve or socket
- F16L21/02—Joints with sleeve or socket with elastic sealing rings between pipe and sleeve or between pipe and socket, e.g. with rolling or other prefabricated profiled rings
- F16L21/022—Joints with sleeve or socket with elastic sealing rings between pipe and sleeve or between pipe and socket, e.g. with rolling or other prefabricated profiled rings used with sleeves or nipples for pipes of the same diameter, or with reduction pieces
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L21/00—Joints with sleeve or socket
- F16L21/06—Joints with sleeve or socket with a divided sleeve or ring clamping around the pipe-ends
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Valves (AREA)
Abstract
The invention discloses a novel plunger valve, which comprises a valve body, wherein one end of the valve body is provided with a plunger hole plate, a plunger piece is connected onto the plunger hole plate, the plunger piece is connected with a valve rod through a slider-crank mechanism, the slider-crank mechanism comprises a plunger shaft, one end of the plunger shaft is connected with a connecting rod through a movable pin, the other end of the connecting rod is connected with a crank piece through a movable pin II, one end of the crank piece is connected with the valve rod, the top end of the valve rod is connected with a hand wheel, the valve rod is matched with the valve body through a shaft sleeve, and a sealing pressing plate is arranged below the shaft sleeve: the influence of cavitation bubbles at the outlet of the valve on the whole valve during working is effectively reduced, and the working stability of the valve is improved. When the valve is closed, the periphery of the nine plunger holes in the plunger component is expanded with steps to realize the sealing effect. When the working requirements are different, the plunger pieces of different types can be replaced to meet the flow requirements of quick opening, equal proportion and equal percentage, the pipeline is convenient to install and fix, and the connection tightness is improved.
Description
Technical Field
The invention relates to the technical field of valves, in particular to a novel plunger valve.
Background
In the regulation of a hydraulic system, a large-caliber regulating valve is a very important matching device in a valve pipeline system and is a key control element for regulating liquid level, pressure and flow. However, the valve outlet with the existing caliber can generate a cavitation phenomenon and easily cause valve damage, so that a novel valve is designed to solve the problems.
An effective solution to the problems in the related art has not been proposed yet.
Disclosure of Invention
In view of the problems in the related art, the present invention provides a novel plunger valve to overcome the above technical problems in the related art.
The technical scheme of the invention is realized as follows:
a novel plunger valve comprises a valve body, wherein a plunger hole plate is arranged at one end of the valve body, a plunger piece is connected onto the plunger hole plate, the plunger piece is connected with a valve rod through a slider-crank mechanism, the slider-crank mechanism comprises a plunger shaft, one end of the plunger shaft is connected with a connecting rod through a movable pin, the other end of the connecting rod is connected with a crank piece through a movable pin, one end of the crank piece is connected with the valve rod, one end of the valve rod is connected with the crank piece through a key and is fixed through a fastening nut, the top end of the valve rod is connected with a hand wheel, the valve rod is matched with the valve body through a shaft sleeve, a sealing pressure plate is arranged below the shaft sleeve, two ends of the valve body are connected with a connecting pipe through a pipeline connecting structure, the pipeline connecting structure comprises an outer barrel body, one side, positioned in the outer barrel body, of the connecting pipe is provided with a large opening, the opposite side of big open-ended is equipped with little opening, one side of big open-ended be equipped with the circular pipeline groove of connecting pipe assorted, the symmetry is equipped with arc seal structure on the big opening, arc seal structure is including being located the screw hole of outer barrel both sides, it is equipped with the threaded rod to run through on the threaded hole, the bottom of threaded rod all is connected with the semicircle locating plate through the adapter sleeve, be equipped with the elastic sealing pad in the semicircle locating plate.
Furthermore, a limiting shaft shoulder is arranged on the plunger shaft.
Furthermore, the plunger pieces are nine square arc-shaped plunger pieces, and the plunger hole plate is also formed by nine plunger holes which are uniformly and symmetrically arranged, and each surface of the plunger holes is additionally provided with three emptying bubble inhibiting steps.
Further, the plunger members may be replaced with proportional type plunger members and equal percentage type plunger members.
Furthermore, a positioning spring is connected between the semicircular positioning plate and the inner wall of the outer cylinder body.
Furthermore, a rotating handle is fixedly arranged at the top end of the threaded rod.
Furthermore, a sealing washer is detachably arranged on one side of the connecting pipe outside the outer cylinder body.
The invention provides a novel plunger valve which has the following beneficial effects:
(1) the valve comprises a valve body, a piston hole plate is arranged at one end of the valve body, a piston piece is connected on the piston hole plate, the piston piece is connected with a valve rod through a slider-crank mechanism, the slider-crank mechanism comprises a piston shaft, one end of the piston shaft is connected with a connecting rod through a movable pin, the other end of the connecting rod is connected with a crank piece through a movable pin, one end of the crank piece is connected with the valve rod, one end of the valve rod is connected with the crank piece through a key and is fixed through a fastening nut, the top end of the valve rod is connected with a hand wheel, the valve rod is matched with the valve body through a shaft sleeve, when the valve is used, the valve rod is driven to rotate through the rotation of the hand wheel, the lower end of the valve rod transmits torque to the crank piece in the slider-crank mechanism through the key, the slider-crank mechanism realizes the left-right movement of the piston shaft, and the surface of the piston piece in each piston piece is provided with a void restraining step when the valve is half opened or closed, when with the piping erection, can insert circular pipe groove with the connecting pipe at first, rotate the threaded rod again, utilize the effect of screw hole, drive the semicircle locating plate and press from both sides tightly the connecting pipe, utilize the effect of elastic sealing pad, can increase its sealed effect beneficial effect: the influence of cavitation bubbles at the outlet on the whole valve during the working of the valve is effectively reduced, and the working stability of the valve is improved. When the valve is closed, the periphery of the nine plunger holes in the plunger component is expanded with steps to realize the sealing effect. When the working requirements are different, the plunger pieces of different types can be replaced to meet the flow requirements of quick opening, equal proportion and equal percentage, the pipeline is convenient to install and fix, and the connection tightness is improved.
(2) The plunger shaft is provided with a limiting shaft shoulder for limiting the limit position of the movement of the plunger shaft and preventing the plunger shaft from reaching the dead point position and causing the failure of working.
(3) The plunger piece is nine square arc-shaped plunger blocks, the plunger hole plate is also nine plunger holes which are uniformly and symmetrically arranged, each surface of each plunger hole is additionally provided with three emptying bubble inhibiting steps for inhibiting the generation of cavitation bubbles, and the steps are expanded around the plunger blocks to realize the sealing effect.
(4) The plunger pieces can be replaced by proportional plunger pieces and percentage-equal plunger pieces, and the different types of plunger pieces are replaced to meet the flow requirements of quick opening, equal proportion and equal percentage.
(5) And a positioning spring is connected between the semicircular positioning plate and the inner wall of the outer barrel body, so that the semicircular positioning plate is convenient to position and prevented from rotating.
(6) And a rotating handle is fixedly arranged at the top end of the threaded rod, so that the threaded rod can rotate conveniently.
(7) One side of the outer cylinder body, which is positioned on the connecting pipe, is detachably provided with a sealing washer, so that the connection tightness is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic diagram of a novel plug valve according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of the structure of a slider-crank mechanism in a novel plunger valve, according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of the engagement of a plug and a plug bore in a novel plug valve according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of a novel cylindrical plug orifice plate in a plug valve according to an embodiment of the present invention;
fig. 5 is a front view of a pipe connection structure in a novel plug valve according to an embodiment of the present invention.
Fig. 6 is a structural schematic diagram of a pipe connection structure in a novel plunger valve according to an embodiment of the invention.
Fig. 7 is a structural schematic diagram of an arc-shaped sealing structure in a novel plunger valve according to an embodiment of the invention.
Fig. 8 is a schematic structural diagram of a plug in a novel plug valve according to an embodiment of the present invention.
In the figure:
1. a valve body; 2. a plunger hole plate; 3. a plunger member; 4. a slider-crank mechanism; 5. a shaft sleeve; 6. a hand wheel; 7. sealing the pressure plate; 8. a valve stem; 9. fastening a nut; 10. a pipe connection structure; 11. a connecting pipe; 12. An outer cylinder; 13. a large opening; 14. a small opening; 15. a circular pipe groove; 16. a semicircular positioning plate; 17. An arc-shaped sealing structure; 18. a threaded hole; 19. a threaded rod; 20. connecting sleeves; 21. a plunger hole; 22. An elastic sealing gasket; 23. a positioning spring; 24. rotating the handle; 25. a sealing gasket; 31. a cavitation suppressing step; 41. a plunger shaft; 42. a connecting rod; 43. a first movable pin; 44. a second movable pin; 45. a limiting shaft shoulder; 46. a crank member.
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 a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present invention belong to the protection scope of the present invention.
The invention is further described with reference to the following drawings and detailed description:
the first embodiment is as follows:
referring to fig. 1 to 8, a novel plunger valve according to an embodiment of the present invention includes a valve body 1, one end of the valve body 1 is provided with a plunger hole plate 2, the plunger hole plate 2 is connected with a plunger piece 3, the plunger piece 3 is connected with a valve rod 8 through a slider-crank mechanism 4, the slider-crank mechanism 4 includes a plunger shaft 41, one end of the plunger shaft 41 is connected with a connecting rod 42 through a movable pin one 43, the other end of the connecting rod 42 is connected with a crank piece 46 through a movable pin two 44, one end of the crank piece 46 is connected with the valve rod 8, one end of the valve rod 8 is connected with the crank piece 46 through a key and fixed through a fastening nut 9, the top end of the valve rod 8 is connected with a hand wheel 6, the valve rod 8 is matched with the valve body 1 through a shaft sleeve 5, a sealing pressure plate 7 is arranged below the shaft sleeve 5, the both ends of valve body 1 all are connected with connecting pipe 11 through pipeline connection structure 10, pipeline connection structure 10 includes outer barrel 12, be located in outer barrel 12 one side of connecting pipe 11 is equipped with big opening 13, the opposite side of big opening 13 is equipped with little opening 14, one side of big opening 13 be equipped with connecting pipe 11 assorted circular pipeline groove 15, the symmetry is equipped with arc seal structure 17 on the big opening 13, arc seal structure 17 is including being located the screw hole 18 of outer barrel 12 both sides, it is equipped with threaded rod 19 to run through on the screw hole 18, the bottom of threaded rod 19 all is connected with semicircle locating plate 16 through adapter sleeve 20, be equipped with the elastic sealing pad 22 in the semicircle locating plate 16.
Through the scheme of the invention, one end of a valve body 1 is provided with a plunger orifice plate 2, the plunger orifice plate 2 is connected with a plunger element 3, the plunger element 3 is connected with a valve rod 8 through a slider-crank mechanism 4, the slider-crank mechanism 4 comprises a plunger shaft 41, one end of the plunger shaft 41 is connected with a connecting rod 42 through a movable pin I43, the other end of the connecting rod 42 is connected with a crank element 46 through a movable pin II 44, one end of the crank element 46 is connected with the valve rod 8, one end of the valve rod 8 is connected with the crank element 46 through a key and is fixed through a fastening nut 9, the top end of the valve rod 8 is connected with a hand wheel 6, the valve rod 8 is matched with the valve body 1 through a shaft sleeve 5, when in use, the hand wheel 6 rotates to drive the valve rod 8 to rotate, the lower end of the valve rod 8 transmits torque to the crank element 46 in the slider-crank mechanism 4 through a key, realize the side-to-side movement of plunger shaft 41 through slider-crank mechanism 4, plunger piece surface in every plunger piece 3 all is equipped with vacuole suppression step 31 when the valve is in half when opening and close, when with the piping erection, can insert circular pipeline groove 15 with connecting pipe 11 at first, rotate threaded rod 19 again, utilize the effect of screw hole 18, drive semicircle locating plate 16 and press from both sides tightly connecting pipe 11, utilize the effect of the sealed 22 of elasticity pad, can increase its sealed effect, beneficial effect: the influence of cavitation bubbles at the outlet of the valve on the whole valve during working is effectively reduced, and the working stability of the valve is improved. When the valve is closed, the periphery of the nine plunger holes 21 in the plunger piece is outwards expanded to realize the sealing effect. When different working requirements are met, different types of plunger pieces 3 can be replaced to meet the flow requirements of quick opening, equal proportion and equal percentage.
Example two:
as shown in fig. 1-8, the plunger shaft 41 is provided with a limiting shoulder 45 for limiting the limit position of the movement of the plunger shaft 41 and preventing the plunger shaft from reaching the dead point position and being unable to work; the plunger piece 3 is nine square arc-shaped plunger pieces, the plunger hole plate 2 is also nine plunger holes 21 which are uniformly and symmetrically arranged, and each surface of the plunger holes is additionally provided with three emptying bubble inhibiting steps 31 for inhibiting the generation of the emptying bubbles and expanding the steps outwards around the plunger pieces to realize the sealing function; the plunger pieces 3 can be replaced by equal proportion type plunger pieces and equal percentage type plunger pieces, and different types of plunger pieces are replaced to meet the flow requirements of quick opening, equal proportion and equal percentage; a positioning spring 23 is connected between the semicircular positioning plate 16 and the inner wall of the outer barrel 12, so that the semicircular positioning plate 16 is conveniently positioned and prevented from rotating; a rotating handle 24 is fixedly arranged at the top end of the threaded rod 19, so that the threaded rod 19 can rotate conveniently; a sealing gasket 25 is detachably arranged on one side of the outer cylinder 12, which is positioned on the connecting pipe 11, so that the connection tightness is improved.
For the convenience of understanding the technical solutions of the present invention, the following detailed description will be made on the working principle or the operation mode of the present invention in the practical process.
In practical application, during the use, rotate through hand wheel 6, it rotates to drive valve rod 8, 8 lower ends of valve rod transmit the torque for crank 46 in slider-crank mechanism 4 through the key-type connection, realize the side-to-side motion of plunger shaft 41 through slider-crank mechanism 4, plunger piece surface in every plunger piece 3 all is equipped with vacuole suppression step 31 when the valve is in half opening and close, when with pipe-line erection, can insert circular pipeline groove 15 with connecting pipe 11 at first, rotate threaded rod 19 again, utilize the effect of screw hole 18, it presss from both sides tightly to drive semicircle locating plate 16 to connecting pipe 11, utilize the effect of elastic sealing pad 22, can increase its sealed effect, and beneficial effect: the influence of cavitation bubbles at the outlet of the valve on the whole valve during working is effectively reduced, and the working stability of the valve is improved. When the valve is closed, the periphery of the nine plunger holes 21 in the plunger component is expanded outwards to realize the sealing effect. When different working requirements are met, different types of plunger pieces 3 can be replaced to meet the flow requirements of quick opening, equal proportion and equal percentage, the pipeline is convenient to install and fix, and the connection tightness is improved.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (6)
1. The plunger valve is characterized by comprising a valve body (1), wherein one end of the valve body (1) is provided with a plunger hole plate (2), a plunger piece (3) is connected onto the plunger hole plate (2), the plunger piece (3) is nine arc-shaped plunger blocks, nine plunger holes (21) which are uniformly and symmetrically arranged are formed in the plunger hole plate (2), the surface of each plunger hole (21) is provided with a three-evacuation bubble inhibiting step (31), the plunger piece (3) is connected with a valve rod (8) through a slider-crank mechanism (4), the slider-crank mechanism (4) comprises a plunger shaft (41), one end of the plunger shaft (41) is connected with a connecting rod (42) through a movable pin I (43), the other end of the connecting rod (42) is connected with a crank piece (46) through a movable pin II (44), and one end of the crank piece (46) is connected with the valve rod (8), the valve rod (8) one end with crank spare (46) pass through the key-type connection and fixed through fastening nut (9), the top of valve rod (8) is connected with hand wheel (6), valve rod (8) with through axle sleeve (5) with valve body (1) cooperation, axle sleeve (5) below is equipped with sealing clamp plate (7), the both ends of valve body (1) all are connected with connecting pipe (11) through pipeline connection structure (10), pipeline connection structure (10) include outer barrel (12), lie in outer barrel (12) one side of connecting pipe (11) is equipped with big opening (13), the opposite side of big opening (13) is equipped with little opening (14), one side of big opening (13) be equipped with connecting pipe (11) assorted circular pipeline groove (15), the symmetry is equipped with arc seal structure (17) on big opening (13), arc seal structure (17) are including being located screw hole (18) of outer barrel (12) both sides, it is equipped with threaded rod (19) to run through on screw hole (18), the bottom of threaded rod (19) all is connected with semicircle locating plate (16) through adapter sleeve (20), be equipped with elastic sealing pad (22) in semicircle locating plate (16).
2. A plug valve according to claim 1, in which the plug shaft (41) is provided with a stop shoulder (45).
3. A plug valve according to claim 1, characterised in that said plug elements (3) are replaceable with plug elements of the equal proportional type and plug elements of the equal percentage type.
4. A plug valve according to claim 1, in which a retaining spring (23) is connected between the semi-circular retaining plate (16) and the inner wall of the outer barrel (12).
5. A plug valve according to claim 1, in which the threaded rod (19) is provided with a rotating handle (24) fixed to its top end.
6. A plug valve according to claim 1, in which the outer cylinder (12) is provided with a removable sealing gasket (25) on the side of the connecting tube (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110010425.0A CN113217696B (en) | 2021-01-05 | 2021-01-05 | Novel plunger valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110010425.0A CN113217696B (en) | 2021-01-05 | 2021-01-05 | Novel plunger valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113217696A CN113217696A (en) | 2021-08-06 |
| CN113217696B true CN113217696B (en) | 2022-07-01 |
Family
ID=77083662
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110010425.0A Active CN113217696B (en) | 2021-01-05 | 2021-01-05 | Novel plunger valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113217696B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1296851A (en) * | 1969-01-13 | 1972-11-22 | ||
| CN2360685Y (en) * | 1998-12-01 | 2000-01-26 | 尹群 | Circular valve |
| CN201944282U (en) * | 2011-03-12 | 2011-08-24 | 安徽铜都阀门股份有限公司 | Straight-through rapid cut-off valve |
| CN110762241A (en) * | 2019-10-26 | 2020-02-07 | 五洲阀门股份有限公司 | Metal hard seal small-flow regulating plunger valve |
| CN210462037U (en) * | 2019-09-16 | 2020-05-05 | 江苏宣胜金属科技有限公司 | Steel pipe convenient to external connection |
-
2021
- 2021-01-05 CN CN202110010425.0A patent/CN113217696B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1296851A (en) * | 1969-01-13 | 1972-11-22 | ||
| CN2360685Y (en) * | 1998-12-01 | 2000-01-26 | 尹群 | Circular valve |
| CN201944282U (en) * | 2011-03-12 | 2011-08-24 | 安徽铜都阀门股份有限公司 | Straight-through rapid cut-off valve |
| CN210462037U (en) * | 2019-09-16 | 2020-05-05 | 江苏宣胜金属科技有限公司 | Steel pipe convenient to external connection |
| CN110762241A (en) * | 2019-10-26 | 2020-02-07 | 五洲阀门股份有限公司 | Metal hard seal small-flow regulating plunger valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113217696A (en) | 2021-08-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201461565U (en) | Hydraulic lock | |
| CN113217696B (en) | Novel plunger valve | |
| CN210716237U (en) | Limiting handle structure | |
| CN207893162U (en) | A kind of multi-functional water hammer valve | |
| CN213874830U (en) | Deep sea combination seal circle seal test device | |
| CN213982154U (en) | Valve with anti-return function | |
| CN212107092U (en) | Novel valve structure convenient for replacing sealing ring | |
| CN111238802B (en) | High low temperature pressurization environment O shape circle compression ratio test device | |
| CN203162166U (en) | Novel self-closed oil drain valve | |
| CN209943968U (en) | Valve convenient for grease injection | |
| CN215521983U (en) | Governing valve with prevent that interface reveals function | |
| CN216618606U (en) | Safety valve | |
| CN219954368U (en) | Valve pipeline sealing structure | |
| CN2781122Y (en) | Butterfly micro-block slow closed check valve | |
| CN215486929U (en) | Eha variable integrated valve device | |
| CN103115153A (en) | Novel self-sealed oil drain valve | |
| CN212745176U (en) | Adjustable back pressure type check valve for short-range distillation continuous feeding and discharging | |
| CN212131652U (en) | Oil level communicating vessel | |
| CN217482060U (en) | Automatic cut-off device for hydraulic pipeline | |
| CN212717443U (en) | Miniature block type one-way hydraulic valve | |
| CN213451705U (en) | Combined stainless steel valve | |
| CN212745187U (en) | High-pressure one-way stop valve | |
| CN219102062U (en) | Valve electric actuator connector that sealed effect is good | |
| CN218913041U (en) | Anti-empty structure of diesel engine fuel low pressure pipeline | |
| CN211174744U (en) | High-sealing easy-to-clean water pump |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |