CN111577694B - Manual reversing valve capable of being adjusted in multiple guiding mode - Google Patents
Manual reversing valve capable of being adjusted in multiple guiding mode Download PDFInfo
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- CN111577694B CN111577694B CN202010398876.1A CN202010398876A CN111577694B CN 111577694 B CN111577694 B CN 111577694B CN 202010398876 A CN202010398876 A CN 202010398876A CN 111577694 B CN111577694 B CN 111577694B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/021—Valves for interconnecting the fluid chambers of an actuator
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- 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
- F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
- F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
- F16K11/06—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements
- F16K11/065—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements with linearly sliding closure members
- F16K11/07—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements with linearly sliding closure members with cylindrical slides
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- 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
- F16K27/04—Construction of housing; Use of materials therefor of sliding valves
- F16K27/041—Construction of housing; Use of materials therefor of sliding valves cylindrical slide valves
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- 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
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/30—Details
- F16K3/314—Forms or constructions of slides; Attachment of the slide to the spindle
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanically-Actuated Valves (AREA)
Abstract
The invention discloses a manual reversing valve capable of being adjusted in multiple directions, which comprises a valve body, wherein a valve core is arranged in the valve body, one end of the valve core is provided with a connecting column, the connecting column is positioned at one end of the valve body, one end of the valve body is provided with a supporting block, the supporting block is positioned at the top end of the connecting column, one side of the top end of the supporting block is provided with a movable groove, the movable groove penetrates through the supporting block, the interior of the movable groove is provided with a valve rod, the valve rod penetrates through the movable groove and the connecting column, one side of the valve core is provided with all second mounting grooves, one side of the supporting block is provided with a first pull ring, the inner side of the first pull ring is provided with a limiting block, one end of the limiting block is provided with a rotating rod, one end of the rotating rod is provided with a third spring, and one side of the valve rod is provided with a limiting groove; through installing the stopper additional in bull stick one end, avoided under the unexpected atress condition of valve rod, lead to manual reversing valve unusual opening or closing, further promoted manual reversing valve stability in use.
Description
Technical Field
The invention belongs to the technical field of reversing valves, and particularly relates to a manual reversing valve capable of being adjusted in a multi-guiding mode.
Background
The multi-direction regulating manual reversing valve is a direction control valve with more than two flow forms and more than two oil ports, and is a valve for realizing communication, cutting-off and reversing of hydraulic oil flow, pressure unloading and sequential action control. Multiple pilot operated manual directional control valves are often used in hydraulic control systems to manually control the direction of flow of hydraulic oil. The valve rod in the existing manual reversing valve lacks protection, when the valve rod is accidentally impacted, the manual reversing valve can be abnormally opened or closed, so that the problem that the manual reversing valve is poor in use stability is solved, and therefore the manual reversing valve capable of being adjusted in a multi-guide mode is provided.
Disclosure of Invention
The invention aims to provide a multi-direction adjustable manual reversing valve, which aims to solve the problems that in the prior art, a valve rod is lack of protection, and when the valve rod is accidentally impacted, the manual reversing valve is abnormally opened or closed, so that the use stability of the manual reversing valve is poor.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a but manual reversing valve of multi-direction adjustment, includes the valve body, the inside case that is provided with of valve body, case one end is provided with the spliced pole, the spliced pole is located valve body one end, valve body one end is provided with the supporting shoe, the supporting shoe is located the spliced pole top, movable groove has been seted up on supporting shoe top one side, the movable groove runs through the supporting shoe, the inside valve rod that is provided with of movable groove, the valve rod runs through movable groove and spliced pole, all second mounting grooves are opened to supporting shoe inside one side, the supporting shoe opposite side is provided with first pull ring, first pull ring inboard is provided with the stopper, stopper one end is provided with the bull stick, bull stick one end is provided with the third spring, valve rod one side is provided with the spacing groove, stopper runs through supporting shoe one side, stopper one end is located the spacing inslot portion, the bull stick runs through the valve rod, bull stick one end and third spring all are located inside the second mounting groove.
Preferably, the supporting shoe top is provided with the go-between, the go-between is located movable groove one side, the go-between outside is provided with the installation cover, the inside fourth spring and the spacing ring of being provided with respectively of installation cover, the fourth spring is located the installation cover top, the installation cover top is provided with the second pull ring, be provided with the gag lever post in the middle of the second pull ring bottom, the gag lever post runs through fourth spring, spacing ring and supporting shoe, limiting groove has been seted up on stopper top surface, the gag lever post bottom is located limiting groove inside.
Preferably, the other end of the valve body is provided with an access cover and a second mounting ring respectively, the access cover is located on the inner side of the second mounting ring, a first mounting ring is arranged on the outer side of the access cover and located on one side of the second mounting ring, a connecting sleeve is arranged on the outer side of the connecting position of the first mounting ring and the second mounting ring, and the second mounting ring is fixedly connected with the connecting sleeve through threads.
Preferably, the top surface of the valve body is provided with an oil tank pipe opening, the bottom surface of the valve body is provided with an oil tank pipe opening, and the surfaces of two sides of the valve core are provided with oil holes.
Preferably, the first mounting groove has been seted up to access cover inboard surface, first mounting groove is inside to be provided with first spring cardboard and second spring cardboard respectively, first spring cardboard is the symmetric distribution with the second spring cardboard, be provided with first spring between first spring cardboard and the second spring cardboard, the case other end runs through first spring cardboard and second spring cardboard.
Preferably, the connecting column is fixedly connected with the valve core, the supporting block is fixedly connected with the valve body, the limiting block is fixedly connected with the first pull ring and the rotating rod, one end of the third spring is fixedly connected with the supporting block through the second mounting groove, and the other end of the third spring is fixedly connected with the rotating rod.
Preferably, the cross section of the limiting groove and the cross section of the limiting block are regular hexagons, and the limiting block is clamped with the valve rod through the limiting groove.
Preferably, the connecting ring is fixedly connected with the supporting block, the mounting sleeve is fixedly connected with the connecting ring through threads, the limiting rod is fixedly connected with the limiting ring and the second pull ring, the limiting rod is clamped with the limiting block through the limiting groove, and the cross section of the bottom end of the limiting rod and the cross section of the limiting groove are right trapezoid.
Preferably, a sealing ring is arranged between the access cover and the valve body, and the access cover is in sealing connection with the valve body through the sealing ring.
Preferably, a holding rod is arranged on the outer side of the connecting sleeve, one end of the holding rod is positioned in the connecting sleeve, and the holding rod is fixedly connected with the connecting sleeve through threads.
Compared with the prior art, the invention has the beneficial effects that:
(1) Through installing the stopper additional in bull stick one end, when needs carry out spacingly to the valve rod, press first pull ring, drive stopper one end by first pull ring and move towards the spacing inslot portion, the stopper drives the bull stick and removes, and inside stopper one end got into the spacing inslot portion, the completion was spacing to the valve rod, avoided under the unexpected atress condition of valve rod, led to manual switching-over valve unusual opening or closing, further promoted manual switching-over valve stability in use.
(2) Through installing the gag lever post additional in supporting shoe top one side, when the stopper removes, the limit groove removes by stopper drive, when gag lever post and limit groove contact, at this moment under the elastic action of fourth spring, drive the spacing ring by the fourth spring and reset, the spacing ring drives the gag lever post and moves down for the gag lever post bottom gets into the limit inslot portion, accomplishes the fixation to the stopper, has promoted the firm in connection of stopper and supporting shoe, has further promoted the firm in connection of stopper and limit groove.
(3) Through installing the adapter sleeve additional in first collar and second collar junction outside, when need overhauling many direction adjustment manual reversing valve, rotate the holding rod, drive the adapter sleeve by the holding rod and rotate, the adapter sleeve constantly moves to first collar one side under the screw thread effect, until adapter sleeve and second collar are complete to be separated, then remove the access cover to separate access cover and valve body, accomplish the dismantlement to the access cover, made things convenient for the staff to dismantle the access cover, be convenient for the staff to maintain many direction adjustment manual reversing valve.
Drawings
FIG. 1 is a schematic cross-sectional view of a multi-pilot adjustment manual diverter valve of the present invention;
FIG. 2 is an enlarged schematic view of the structure at a in FIG. 1;
FIG. 3 is a schematic cross-sectional view of a support block of the present invention;
FIG. 4 is an enlarged schematic view of the structure at c in FIG. 3;
FIG. 5 is an enlarged schematic view of the structure of FIG. 3 at d;
FIG. 6 is an enlarged schematic view of the structure at b in FIG. 1;
in the figure: 1. a connecting column; 2. a valve body; 3. an access cover; 311. a seal ring; 4. a valve core; 5. an oil hole; 6. an oil tank pipe opening; 7. an oil cylinder pipe opening; 8. a support block; 9. a valve stem; 10. a first mounting groove; 11. a first spring clip; 12. a second spring clip; 13. a first spring; 14. a movable groove; 15. a rotating rod; 16. a limiting block; 17. a limit groove; 18. a second mounting groove; 19. a third spring; 20. a first pull ring; 21. a second pull ring; 22. a limit rod; 23. a limiting ring; 24. a fourth spring; 25. a mounting sleeve; 26. a connecting ring; 27. defining a slot; 28. a first mounting ring; 29. a second mounting ring; 30. connecting sleeves; 31. a grip.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-6, the present invention provides a technical solution: the utility model provides a but manual reversing valve of multi-direction adjustment, including valve body 2, valve body 2 inside is provided with case 4, case 4 one end is provided with spliced pole 1, spliced pole 1 is located valve body 2 one end, valve body 2 one end is provided with supporting shoe 8, supporting shoe 8 is located spliced pole 1 top, movable groove 14 has been seted up on supporting shoe 8 top one side, movable groove 14 runs through supporting shoe 8, movable groove 14 inside is provided with valve rod 9, valve rod 9 runs through movable groove 14 and spliced pole 1, all second mounting grooves 18 are opened to supporting shoe 8 inside one side, supporting shoe 8 opposite side is provided with first pull ring 20, first pull ring 20 inboard is provided with stopper 16, stopper 16 one end is provided with bull stick 15, bull stick 15 one end is provided with third spring 19, valve rod 9 one side is provided with spacing groove 17, stopper 16 runs through supporting shoe 8 one side, stopper 16 one end is located spacing groove 17 inside, bull stick 15 runs through valve rod 9, bull stick 15 one end and third spring 19 all are located second mounting groove 18 inside.
In order to further strengthen the limiting block 16, in this embodiment, preferably, the top end of the supporting block 8 is provided with a connecting ring 26, the connecting ring 26 is located at one side of the movable groove 14, a mounting sleeve 25 is arranged at the outer side of the connecting ring 26, a fourth spring 24 and a limiting ring 23 are respectively arranged in the mounting sleeve 25, the fourth spring 24 is located at the top end of the mounting sleeve 25, a second pull ring 21 is arranged at the top end of the mounting sleeve 25, a limiting rod 22 is arranged in the middle of the bottom end of the second pull ring 21, the limiting rod 22 penetrates through the fourth spring 24, the limiting ring 23 and the supporting block 8, a limiting groove 27 is formed in the top end surface of the limiting block 16, and the bottom end of the limiting rod 22 is located in the limiting groove 27.
In order to facilitate maintenance of the multi-guide adjustment manual reversing valve, in this embodiment, preferably, the other end of the valve body 2 is provided with an access cover 3 and a second mounting ring 29 respectively, the access cover 3 is located inside the second mounting ring 29, a first mounting ring 28 is arranged outside the access cover 3, the first mounting ring 28 is located on one side of the second mounting ring 29, a connecting sleeve 30 is arranged outside a joint between the first mounting ring 28 and the second mounting ring 29, and the second mounting ring 29 is fixedly connected with the connecting sleeve 30 through threads.
In order to facilitate hydraulic oil to pass through the valve core 4, in this embodiment, preferably, the top surface of the valve body 2 is provided with an oil tank pipe opening 6, the bottom surface of the valve body 2 is provided with an oil tank pipe opening 7, and both side surfaces of the valve core 4 are provided with oil holes 5.
For the case 4 of being convenient for reset, in this embodiment, preferably, the access cover 3 inboard surface has seted up first mounting groove 10, and first mounting groove 10 is inside to be provided with first spring cardboard 11 and second spring cardboard 12 respectively, and first spring cardboard 11 is symmetrical distribution with second spring cardboard 12, is provided with first spring 13 between first spring cardboard 11 and the second spring cardboard 12, and the case 4 other end runs through first spring cardboard 11 and second spring cardboard 12.
In order to facilitate resetting of the limiting block 16, in this embodiment, preferably, the connecting post 1 is fixedly connected with the valve core 4, the supporting block 8 is fixedly connected with the valve body 2, the limiting block 16 is fixedly connected with the first pull ring 20 and the rotating rod 15, one end of the third spring 19 is fixedly connected with the supporting block 8 through the second mounting groove 18, and the other end of the third spring 19 is fixedly connected with the rotating rod 15.
In order to facilitate the stopper 16 to clamp the valve rod 9, in this embodiment, preferably, the cross section of the limiting groove 17 and the cross section of the stopper 16 are both regular hexagons, and the stopper 16 is clamped with the valve rod 9 through the limiting groove 17.
In order to facilitate the stop lever 22 to clamp the stop block 16, in this embodiment, preferably, the connecting ring 26 is fixedly connected with the supporting block 8, the mounting sleeve 25 is fixedly connected with the connecting ring 26 through threads, the stop lever 22 is fixedly connected with the stop ring 23 and the second pull ring 21, the stop lever 22 is clamped with the stop block 16 through the limiting groove 27, and the cross section of the bottom end of the stop lever 22 and the cross section of the limiting groove 27 are both right trapezoid.
In order to improve the connection tightness between the access cover 3 and the valve body 2, in this embodiment, preferably, a sealing ring 311 is disposed between the access cover 3 and the valve body 2, and the access cover 3 is in sealing connection with the valve body 2 through the sealing ring 311.
In order to facilitate the disassembly of the holding rod 31, in this embodiment, preferably, the holding rod 31 is disposed outside the connecting sleeve 30, one end of the holding rod 31 is located inside the connecting sleeve 30, and the holding rod 31 is fixedly connected with the connecting sleeve 30 through threads.
The working principle and the using flow of the invention are as follows: after the device is finished, through installing stopper 16 additional in bull stick 15 one end, when needs carry out spacing to valve rod 9, press first pull ring 20, drive stopper 16 one end by first pull ring 20 and go up the inside removal of spacing groove 17, stopper 16 drives bull stick 15 and remove, inside spacing groove 17 is got into to stopper 16 one end, accomplish the spacing to valve rod 9, under the unexpected atress condition of valve rod 9 has been avoided, result in manual switching-over valve unusual opening or closing, further promoted manual switching-over valve stability in use, through installing gag lever 22 additional in supporting shoe 8 top one side, when stopper 16 removes, move by stopper 16 drive limit groove 27, when gag lever 22 and limit groove 27 contact, at this moment under the elastic action of fourth spring 24, drive spacing ring 23 by fourth spring 24, spacing ring 23 drives gag lever 22 and moves down, make the spacing rod 22 bottom get into limit groove 27 inside, the fixed to stopper 16 has been accomplished, the connection firmness of stopper 16 and spacing groove 17 has been further promoted, through installing the adapter sleeve 30 additional in first collar 28 and second collar 29, install the guide sleeve 30 in the time of installing the manual switching-over valve body 3, the manual switching-over cover is removed to the second collar 30, the manual switching-over cover is removed 3 when the manual switching-over is removed, and the cover is removed 3 is removed to the manual switching-over is removed, and is removed to the operator is removed, and is removed 3, the manual switching-over is removed, and is removed and is moved, and is moved 3, and is moved, and 3, and is left and is moved, and is left and 3.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a but manual switching-over valve of multi-direction adjustment, includes valve body (2), its characterized in that: valve body (2) inside is provided with case (4), case (4) one end is provided with spliced pole (1), spliced pole (1) is located valve body (2) one end, valve body (2) one end is provided with supporting shoe (8), supporting shoe (8) are located spliced pole (1) top, movable groove (14) have been seted up on one side of supporting shoe (8) top, movable groove (14) run through supporting shoe (8), movable groove (14) inside is provided with valve rod (9), valve rod (9) run through movable groove (14) and spliced pole (1), all second mounting grooves (18) are opened to supporting shoe (8) inside one side, supporting shoe (8) opposite side is provided with first pull ring (20), first pull ring (20) inboard is provided with stopper (16), stopper (16) one end is provided with bull stick (15), bull stick (15) one end is provided with third spring (19), valve rod (9) one side is provided with spacing groove (17), stopper (16) one side runs through movable groove (14) and spliced pole (1), stopper (8) one side is provided with stopper (16), stopper (16) one side (15) are located inside (17) run through stopper (17), one end of the rotating rod (15) and a third spring (19) are both positioned in the second mounting groove (18), the connecting column (1) is fixedly connected with the valve core (4), the supporting block (8) is fixedly connected with the valve body (2), the limiting block (16) is fixedly connected with the first pull ring (20) and the rotating rod (15), one end of the third spring (19) is fixedly connected with the supporting block (8) through the second mounting groove (18), and the other end of the third spring (19) is fixedly connected with the rotating rod (15);
the supporting shoe (8) top is provided with go-between (26), go-between (26) are located movable groove (14) one side, go-between (26) outside is provided with installation cover (25), inside fourth spring (24) and the spacing ring (23) of being provided with respectively of installation cover (25), fourth spring (24) are located installation cover (25) top, installation cover (25) top is provided with second pull ring (21), be provided with gag lever post (22) in the middle of second pull ring (21) bottom, gag lever post (22) run through fourth spring (24), spacing ring (23) and supporting shoe (8), limiting groove (27) have been seted up on stopper (16) top surface, gag lever post (22) bottom is located limiting groove (27) inside.
2. A multi-pilot adjustable manual diverter valve according to claim 1, characterized in that: the novel valve is characterized in that an access cover (3) and a second mounting ring (29) are respectively arranged at the other end of the valve body (2), the access cover (3) is located on the inner side of the second mounting ring (29), a first mounting ring (28) is arranged on the outer side of the access cover (3), the first mounting ring (28) is located on one side of the second mounting ring (29), a connecting sleeve (30) is arranged on the outer side of a joint of the first mounting ring (28) and the second mounting ring (29), and the second mounting ring (29) is fixedly connected with the connecting sleeve (30) through threads.
3. A multi-pilot adjustable manual diverter valve according to claim 1, characterized in that: the oil tank pipe opening (6) is formed in the top end surface of the valve body (2), the oil cylinder pipe opening (7) is formed in the bottom end surface of the valve body (2), and oil holes (5) are formed in the surfaces of two sides of the valve core (4).
4. A multi-pilot adjustable manual diverter valve according to claim 2, characterized in that: the novel valve is characterized in that a first mounting groove (10) is formed in the inner side surface of the access cover (3), a first spring clamping plate (11) and a second spring clamping plate (12) are respectively arranged in the first mounting groove (10), the first spring clamping plate (11) and the second spring clamping plate (12) are symmetrically distributed, a first spring (13) is arranged between the first spring clamping plate (11) and the second spring clamping plate (12), and the other end of the valve core (4) penetrates through the first spring clamping plate (11) and the second spring clamping plate (12).
5. A multi-pilot adjustable manual diverter valve according to claim 1, characterized in that: the cross section of the limiting groove (17) and the cross section of the limiting block (16) are regular hexagons, and the limiting block (16) is clamped with the valve rod (9) through the limiting groove (17).
6. A multi-pilot adjustable manual diverter valve according to claim 1, characterized in that: the connecting ring (26) is fixedly connected with the supporting block (8), the mounting sleeve (25) is fixedly connected with the connecting ring (26) through threads, the limiting rod (22) is fixedly connected with the limiting ring (23) and the second pull ring (21), the limiting rod (22) is clamped with the limiting block (16) through the limiting groove (27), and the cross section of the bottom end of the limiting rod (22) and the cross section of the limiting groove (27) are right trapezoid.
7. A multi-pilot adjustable manual diverter valve according to claim 2, characterized in that: a sealing ring (311) is arranged between the access cover (3) and the valve body (2), and the access cover (3) is in sealing connection with the valve body (2) through the sealing ring (311).
8. A multi-pilot adjustable manual diverter valve according to claim 7, wherein: the connecting sleeve (30) is provided with a holding rod (31) on the outer side, one end of the holding rod (31) is located inside the connecting sleeve (30), and the holding rod (31) is fixedly connected with the connecting sleeve (30) through threads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010398876.1A CN111577694B (en) | 2020-05-12 | 2020-05-12 | Manual reversing valve capable of being adjusted in multiple guiding mode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010398876.1A CN111577694B (en) | 2020-05-12 | 2020-05-12 | Manual reversing valve capable of being adjusted in multiple guiding mode |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111577694A CN111577694A (en) | 2020-08-25 |
| CN111577694B true CN111577694B (en) | 2023-05-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010398876.1A Active CN111577694B (en) | 2020-05-12 | 2020-05-12 | Manual reversing valve capable of being adjusted in multiple guiding mode |
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| Country | Link |
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| CN (1) | CN111577694B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201757094U (en) * | 2010-08-18 | 2011-03-09 | 冯振强 | Hand-operated three-position four-way reversing valve |
| CN102678643A (en) * | 2012-04-25 | 2012-09-19 | 三一重型综采成套装备有限公司 | Hand-operated reversing valve and sealing structure thereof |
-
2020
- 2020-05-12 CN CN202010398876.1A patent/CN111577694B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201757094U (en) * | 2010-08-18 | 2011-03-09 | 冯振强 | Hand-operated three-position four-way reversing valve |
| CN102678643A (en) * | 2012-04-25 | 2012-09-19 | 三一重型综采成套装备有限公司 | Hand-operated reversing valve and sealing structure thereof |
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| Publication number | Publication date |
|---|---|
| CN111577694A (en) | 2020-08-25 |
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