CN117823651B - Anti-leakage two-step opening electromagnetic valve - Google Patents
Anti-leakage two-step opening electromagnetic valve Download PDFInfo
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- CN117823651B CN117823651B CN202410231505.2A CN202410231505A CN117823651B CN 117823651 B CN117823651 B CN 117823651B CN 202410231505 A CN202410231505 A CN 202410231505A CN 117823651 B CN117823651 B CN 117823651B
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- 238000007789 sealing Methods 0.000 claims abstract description 43
- 230000000149 penetrating effect Effects 0.000 claims abstract description 10
- 239000007788 liquid Substances 0.000 claims description 37
- 230000007246 mechanism Effects 0.000 claims description 14
- 230000008859 change Effects 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000005086 pumping Methods 0.000 claims 2
- 230000009471 action Effects 0.000 description 9
- 238000000034 method Methods 0.000 description 6
- 239000012530 fluid Substances 0.000 description 4
- 230000001276 controlling effect Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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Abstract
The invention relates to the technical field of valves and discloses an anti-leakage two-step opening electromagnetic valve, which comprises a valve body, wherein a flow passage is arranged between the left side and the right side of the valve body in a penetrating way, flow guide holes communicated with the flow passage are vertically arranged in the two flow passage, assembly holes communicated with the flow passage are arranged between the upper side and the lower side of the valve body in a penetrating way, the flow passage divides the assembly holes into two pressure chambers, a first piston and a second piston are respectively arranged in the two pressure chambers, the first piston and the second piston are of hollow structures, the upper end and the lower end of the valve body are fixedly connected with end covers, and through holes with the same diameter as the flow guide holes are vertically arranged on the two end covers. The leakage-proof two-step opening electromagnetic valve can improve the sealing performance of the electromagnetic valve, the sealing piece cannot generate excessive deformation during use, leakage phenomenon is prevented during use, and meanwhile, the electromagnetic property can be changed into normally open type or normally closed type according to requirements.
Description
Technical Field
The invention relates to the technical field of valves, in particular to an anti-leakage two-step opening electromagnetic valve.
Background
The electromagnetic valve is an automatic basic element for controlling fluid, belongs to an actuator, is used in an industrial control system for adjusting the direction, flow, speed and other parameters of a medium, has a plurality of types, and different electromagnetic valves play roles in different positions of the control system, and most commonly are a one-way valve, a safety valve, a direction control valve, a speed regulating valve and the like.
At present, a rubber gasket is required to be arranged on a main valve plate of the electromagnetic valve or at an opening of a fluid channel, the tightness is improved through deformation of the rubber gasket, however, the rubber gasket is directly contacted with an inlet of the fluid channel and deforms under the action of external pressure, particularly the normally closed electromagnetic valve, the rubber gasket is in an excessive deformation state for a long time, the structure of the rubber gasket is in unrecoverable deformation, and the sealing gasket cannot provide sufficient deformation quantity, so that leakage phenomenon occurs.
Disclosure of Invention
(One) solving the technical problems
Aiming at the defects of the prior art, the invention provides the anti-leakage two-step opening electromagnetic valve, which has the advantages that the sealing performance of the electromagnetic valve can be improved, the sealing piece does not generate excessive deformation during use, the leakage phenomenon is prevented from occurring during use, meanwhile, the electromagnetic property can be changed into the normally open property or the normally closed property according to the requirement, the problem that the rubber pad is in an excessive deformation state for a long time, the structure of the rubber pad is irrecoverable to deform, the sealing pad cannot provide sufficient deformation amount, and the leakage phenomenon occurs is solved.
(II) technical scheme
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides an anti-leakage two-step opening electromagnetic valve, includes the valve body, the cross flow channel has been run through between the left and right sides of valve body, two the guide hole that communicates with the cross flow channel has all been vertically seted up in the cross flow channel, the mounting hole that communicates with the cross flow channel has been run through between the upper and lower both sides of valve body, the cross flow channel divides the mounting hole into two pressure chambers, two be provided with first piston and second piston in the pressure chamber respectively, first piston and second piston are hollow structure, the upper and lower both ends of valve body all fixedly connected with end cover, two the through-hole the same with guide hole diameter has all been vertically seted up on the end cover, wherein be located the end cover one side of upper end and install guiding mechanism, guiding mechanism is arranged in controlling the liquid flow in the guide hole and changing the liquid pressure in the pressure chamber, makes first piston and second piston control the break-make of cross flow channel jointly;
The supercharging device is characterized in that a supercharging channel is arranged between the diversion hole and the supercharging chamber in a penetrating mode, a sealing assembly is arranged at one end, opposite to the first piston, of the second piston, two fixing portions are arranged at one end, opposite to the first piston, of the second piston, tension springs are fixedly connected to the fixing portions, and one end of each tension spring is fixedly connected with one side of the end cover.
Preferably, the diversion mechanism comprises two rotating shafts, the two rotating shafts are respectively arranged in two diversion holes, two valve blocks are fixedly connected to the shaft wall of the rotating shaft, two inclined planes are respectively arranged on one side of each valve block, the valve blocks correspond to the pressurizing channel in position, one ends of the two end covers, far away from the valve body, are fixedly connected with pressing plates, one sides of the pressing plates are rotationally connected with one end of the rotating shaft through sealing bearings, the upper ends of the rotating shafts penetrate through the sealing bearings and are fixedly connected with gears, racks are meshed on one sides of the gears, electromagnetic push rods are fixedly connected to one sides of the pressing plates, and the power output ends of the electromagnetic push rods are fixedly connected with one ends of the racks;
The upper end fixedly connected with protection casing of clamp plate, one side of protection casing passes through square mouth and electromagnetic push rod's shell fixed connection, two all install drive assembly in the pressure boost chamber, first piston and second piston all link to each other with drive assembly.
Preferably, the transmission assembly comprises two guide pipes and two sleeves, an overflow hole is formed between two through holes in the end cover in a penetrating way, one end of the valve block extends into the through holes and is provided with a sealing part, a rubber ring is embedded in the through holes and sleeved on the sealing part, and the inclined plane extends into the through holes and corresponds to the overflow hole;
One side of the overflow hole is fixedly connected with the pipe orifice of the guide pipe through a round hole, the centers of the first piston and the second piston are respectively fixedly connected with the pipe orifice of the opposite ends of the two sleeves through round holes, and the guide pipe is sleeved in the sleeves.
Preferably, the inner edge of the pipe orifice of the sleeve is sleeved with a sealing ring, the guide pipe is sleeved in the sealing ring, two positioning sliding blocks are symmetrically and fixedly connected to the pipe wall of the guide pipe, two sliding grooves are symmetrically formed in the inner wall of the sleeve, and the sliding grooves are matched with the positioning sliding blocks.
Preferably, the side wall of the protective cover is provided with a positioning hole, the positioning hole is sleeved with one end of the rack, one side of the end cover is rotationally connected with a positioning roller through a ball bearing, and the positioning roller is in contact with one side of the rack.
Preferably, two first rubber rings are embedded in the pressurizing chambers, the first piston and the second piston are sleeved in the first rubber rings respectively, two rubber strips are vertically embedded in opposite sides of the assembly hole, and two ends of each rubber strip extend into the pressurizing chambers respectively and are in contact with side walls of the first piston and the second piston.
Preferably, notches are formed at corners of one ends, opposite to the first piston and the second piston, of the first piston, second rubber rings are fixedly connected in the two notches, and the height of each second rubber ring is larger than the depth of each notch.
Preferably, the sealing assembly comprises a fixing plate, the upper end of the fixing plate is fixedly connected with the bottom of the first piston through a plurality of fixing rods, an opening is formed in one side of the fixing portion, a lower concave portion matched with the fixing plate is formed in the upper end of the second piston, an annular groove is formed in the side wall of the lower concave portion, a rubber tube is fixedly connected to the edge of the fixing plate, the upper end of the rubber tube is fixedly connected with the lower end of the first piston, and the rubber tube is matched with the position of the annular groove.
Preferably, the lower extreme of first piston inlays and is equipped with the ring pipe, the ring pipe is the rubber material, slope fixedly connected with a plurality of honeycomb ducts on the pipe wall of ring pipe, and honeycomb duct and the inside intercommunication of first piston, the draw-in groove has been seted up to the upper end of second piston, the draw-in groove cooperatees with the pipe wall of ring pipe.
(III) beneficial effects
Compared with the prior art, the invention provides an anti-leakage two-step opening electromagnetic valve, which has the following beneficial effects:
1. When the electromagnetic valve is used, the direction of liquid is selected according to the requirement, when the hydraulic pressure at the left end of the overflow channel is greater than the hydraulic pressure at the right end of the overflow channel, the liquid enters the pressurizing chamber from the pressurizing channel through the guide hole, the pressure in the pressurizing chamber is increased to squeeze the first piston and the second piston to approach each other, so that the two pistons are in contact state and realize sealed contact through the sealing component under the action of the hydraulic pressure, the liquid pressure in the pressurizing chamber is changed by flowing the liquid, the first piston and the second piston jointly control the on-off of the overflow channel, the electromagnetic valve is in a normally closed state, when the electromagnetic valve is opened, the hydraulic pressure in the pressurizing chamber can be changed through the guide mechanism, the first piston and the second piston are separated under the action of the tension spring after the hydraulic pressure is reduced, the liquid at the left end of the overflow channel is less than the hydraulic pressure at the right end of the overflow channel, the liquid at the high pressure end cannot enter the pressurizing chamber through pressurization, the first piston and the second piston are relatively far away under the action of the tension spring, and the electromagnetic valve is in a normally open state, so that a user can select to use the electromagnetic valve according to the different access directions, and the electromagnetic valve is normally open.
2. The invention is provided with the flow guide mechanism, the electromagnetic push rod is electrified to generate thrust, the thrust pushes the rack to rotate the gear, the rotating shaft is driven by the gear to enable the valve blocks to change the direction, when the four valve blocks on the two rotating shafts switch the directions simultaneously, the two left valve blocks block the two pressurizing channels, the two right valve blocks leave from the opening of the pressurizing channels to be conducted and discharged with liquid in the pressurizing channels, after the hydraulic pressure in the pressurizing channels is reduced, the tension spring can pull the first piston and the second piston to reset, at the moment, the electromagnetic valve is started to enable the liquid to pass, when the electromagnetic valve is required to be closed, the electromagnetic push rod 15 only needs to be disconnected to drive the flow guide mechanism to reset, and when the electromagnetic valve is selected to be a normally open electromagnetic valve, the opening and closing flow of the electromagnetic valve are opposite to the normally closed electromagnetic valve.
3. According to the sealing assembly, when the first piston is in contact with the second piston through hydraulic pressure increase, the first piston is deformed when the second rubber ring on the first piston is in contact with the second piston, the first sealing can be achieved on the outer side, when the liquid pressure in the pressurizing chamber is increased, the liquid enters the first piston through the opening on the fixing part of the first piston, at the moment, the liquid enters the annular tube through the guide tube, the annular tube is expanded through the liquid pressure and is tightly attached to the clamping groove at the upper end of the second piston, the second sealing is achieved, meanwhile, the liquid directly enters the rubber tube to expand, and after the rubber tube expands, the deformation is produced and attached to the inner side of the annular groove, and further third sealing is achieved, so that the sealing performance of the electromagnetic valve in closing can be achieved.
Drawings
FIG. 1 is a schematic diagram of an anti-leakage two-step opening solenoid valve according to the present invention;
FIG. 2 is a cross-sectional view of FIG. 1 of a two-step solenoid valve with leakage protection according to the present invention;
FIG. 3 is a plan view I of FIG. 2 of a two-step solenoid valve with leakage prevention according to the present invention;
FIG. 4 is a cross-sectional view of a two-step opening solenoid valve body for preventing leakage according to the present invention;
FIG. 5 is a cross-sectional view of a first piston and a second piston in a two-step solenoid valve for preventing leakage according to the present invention;
FIG. 6 is a cross-sectional view of a first piston in a two-step solenoid valve for preventing leakage according to the present invention;
FIG. 7 is a cross-sectional view of a second piston in a two-step solenoid valve for preventing leakage according to the present invention;
FIG. 8 is a cross-sectional view of a sleeve and conduit in a two-step solenoid valve for preventing leakage in accordance with the present invention;
FIG. 9 is a schematic diagram of the structure of the gears, the shaft and the valve block in the two-step opening solenoid valve for preventing leakage according to the present invention;
FIG. 10 is a cross-sectional view of an end cap and a pressure plate in a two-step opening solenoid valve for leakage prevention according to the present invention;
FIG. 11 is a schematic view of the structure of a pressing plate, an electromagnetic push rod, a rack and a gear in a two-step opening electromagnetic valve for preventing leakage;
Fig. 12 is a plan view II of fig. 2 in a two-step opening solenoid valve for preventing leakage according to the present invention.
In the figure: 1. a valve body; 2. an end cap; 3. a pressing plate; 4. a protective cover; 5. an electromagnetic push rod; 6. a valve block; 7. an inclined plane; 8. a pressurizing passage; 9. a plenum; 10. a deflector aperture; 11. a second piston; 12. a rotating shaft; 13. a first piston; 14. an overflow hole; 15. a tension spring; 16. a conduit; 17. a sleeve; 18. a rack; 19. a first rubber ring; 20. a rubber strip; 21. a fixing part; 22. a flow guiding pipe; 23. a second rubber ring; 24. an annular tube; 25. a concave portion; 26. a fixing plate; 27. a rubber tube; 28. a clamping groove; 29. an annular groove; 30. a seal ring; 31. positioning a sliding block; 32. a gear; 33. a sealing part; 34. a through hole; 35. a rubber ring; 36. a positioning roller; 37. and a sliding groove.
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.
Example 1:
Referring to fig. 1-12, an anti-leakage two-step opening electromagnetic valve comprises a valve body 1, wherein a flow passage is arranged between the left side and the right side of the valve body 1 in a penetrating way, flow guide holes 10 communicated with the flow passage are vertically arranged in the two flow passage, assembly holes communicated with the flow passage are arranged between the upper side and the lower side of the valve body 1 in a penetrating way, the flow passage divides the assembly holes into two pressurizing chambers 9, a first piston 13 and a second piston 11 are respectively arranged in the two pressurizing chambers 9, the first piston 13 and the second piston 11 are of hollow structures, end covers 2 are fixedly connected at the upper end and the lower end of the valve body 1, through holes 34 with the same diameter as the flow guide holes 10 are vertically arranged on the two end covers 2, a flow guide mechanism is arranged on one side of the end cover 2 positioned at the upper end and is used for controlling the flow of liquid in the flow guide holes 10 to change the liquid pressure in the pressurizing chambers 9, and the first piston 13 and the second piston 11 jointly control the on-off of the flow passage;
The supercharging channel 8 is arranged between the diversion hole 10 and the supercharging chamber 9 in a penetrating mode, the sealing assembly is arranged at one end, opposite to the first piston 13 and the second piston 11, of the supercharging channel, two fixing portions 21 are arranged at the other end, opposite to the first piston 13 and the second piston 11, of the supercharging channel, tension springs 15 are fixedly connected to the two fixing portions 21, one end of each tension spring 15 is fixedly connected with one side of the end cover 2, two first rubber rings 19 are embedded in the two supercharging chambers 9, the first piston 13 and the second piston 11 are sleeved in the first rubber rings 19 respectively, two rubber strips 20 are vertically embedded at two opposite sides of the assembling hole, and two ends of each rubber strip 20 extend to the side walls of the two supercharging chambers 9 and are in contact with the first piston 13 and the second piston 11 respectively.
When the invention is used, the two ends of the flow passage are provided with the internal threads of the connecting pipeline, the direction of liquid access can be selected according to the requirement, for example, when the direction shown in fig. 3 is adopted for liquid access, the hydraulic pressure at the left end of the flow passage is higher than the hydraulic pressure at the right end of the flow passage, the liquid enters the pressurizing chamber 9 from the pressurizing passage 8 through the diversion hole 10, the pressure in the pressurizing chamber 9 is increased and simultaneously the first piston 13 and the second piston 11 are extruded to be close, so that the two pistons are in contact state and realize sealed contact through the sealing assembly under the action of the hydraulic pressure, the liquid flow can change the liquid pressure in the pressurizing chamber 9, the first piston 13 and the second piston 11 jointly control the on-off of the flow passage, the electromagnetic valve is in a normally closed state, the hydraulic pressure in the pressurizing chamber 9 can be changed through the diversion mechanism when the electromagnetic valve is required to be opened, and the first piston 13 and the second piston 11 are separated under the action of the tension spring 15 after the hydraulic pressure is reduced, so that the liquid can pass through;
When the direction shown in fig. 12 is adopted to access liquid, the hydraulic pressure at the left end of the flow passage is smaller than the hydraulic pressure at the right end of the flow passage, but under the action of the flow guide mechanism, the liquid at the high pressure end cannot enter the pressurizing chamber 9 through the pressurizing passage 8, at the moment, the first piston 13 and the second piston 11 are relatively far away under the action of the tension spring 15, the electromagnetic valve is in a normally open state, when the electromagnetic valve needs to be closed, the hydraulic pressure in the pressurizing chamber 9 can be changed through the flow guide mechanism similarly, the pressure is generated after the hydraulic pressure is increased, so that the first piston 13 and the second piston 11 are close to contact, the blocking of the liquid passing through the flow passage is realized, and thus, a user can select the normally open type electromagnetic valve or the normally closed type electromagnetic valve according to the different access directions, and the electromagnetic valve is convenient for the user to use.
Example 2: the difference is based on example 1;
referring to fig. 2-12, the guiding mechanism includes two rotating shafts 12, two rotating shafts 12 are respectively disposed in two guiding holes 10, two valve blocks 6 are fixedly connected to the shaft wall of the rotating shaft 12, one sides of the two valve blocks 6 are respectively provided with two inclined planes 7, the positions of the valve blocks 6 and the pressurizing channel 8 are corresponding, one ends of the two end covers 2 far away from the valve body 1 are respectively fixedly connected with a pressing plate 3, one side of the pressing plate 3 is rotationally connected with one end of the rotating shaft 12 through a sealing bearing, the upper end of the rotating shaft 12 penetrates through the sealing bearing and is fixedly connected with a gear 32, one side of the gear 32 is meshed with a rack 18, one side of the pressing plate 3 is fixedly connected with an electromagnetic push rod 5, the electromagnetic push rod 5 is required to be provided with a double-out push rod, so that the two racks 18 can be simultaneously driven to move in the same direction and at the same speed, the power output end of the electromagnetic push rod 5 is fixedly connected with one end of the rack 18, the upper end of the pressing plate 3 is fixedly connected with a protecting cover 4, one side of the protecting cover 4 is fixedly connected with a casing of the electromagnetic push rod 5 through a square opening, the side wall of the protecting cover 4 is provided with a positioning hole, one end of the positioning hole is sleeved with one end of the rack 18, one side of the protecting cover 2 is rotationally connected with one side of the positioning roller 36 through a ball bearing 36, one side of the protecting cover 2 is rotationally connected with one side of the positioning roller 36, and is in contact with two positioning roller 13 and two piston assemblies 13, and one side piston assembly 13 is respectively arranged in the first piston assembly and the first piston assembly is in contact with the first piston assembly and the second piston assembly is in the first piston assembly and has the first piston assembly and the driving assembly and has the driving assembly and the driving assembly is.
The transmission assembly comprises two guide pipes 16 and two sleeves 17, wherein an overflow hole 14 is formed between two through holes 34 in the end cover 2 in a penetrating way, one end of the valve block 6 extends into the through holes 34 and is provided with a sealing part 33, rubber rings 35 are embedded in the through holes 34, the rubber rings 35 are sleeved on the sealing part 33, the inclined planes 7 extend into the through holes 34 and correspond to the overflow holes 14 in position, one sides of the overflow holes 14 are fixedly connected with pipe mouths of the guide pipes 16 through round holes, the centers of the first piston 13 and the second piston 11 are respectively fixedly connected with the pipe mouths of the opposite ends of the two sleeves 17 through round holes, the guide pipes 16 are sleeved in the sleeves 17, sealing rings 30 are sleeved in the pipe mouths of the sleeves 17 along the edges, the guide pipes 16 are sleeved in the sealing rings 30, two positioning slide blocks 31 are symmetrically and fixedly connected to the pipe walls of the guide pipes 16, two slide grooves 37 are symmetrically formed in the inner walls of the sleeves 17, and the slide grooves 37 are matched with the positioning slide blocks 31.
According to the invention, the electromagnetic push rod 5 is electrified to generate thrust, the thrust pushes the rack 18 to enable the gear 32 to rotate, the rotating shaft 12 is driven to enable the valve blocks 6 to change directions when the gear 32 rotates, as shown in fig. 3, when the four valve blocks 6 on the two rotating shafts 12 are switched in directions at the same time, the two pressurizing channels 8 are plugged by the two valve blocks 6 on the left side, the two valve blocks 6 on the right side are separated from the opening of the pressurizing channels 8 to enable the pressurizing channels to be conducted and discharged with liquid in the pressurizing chambers 9, so that after the hydraulic pressure in the pressurizing chambers 9 is reduced, the first piston 13 and the second piston 11 can be pulled to reset by the tension spring 15, the liquid can pass through when the electromagnetic valve is started, and when the electromagnetic valve is required to be closed, the electromagnetic push rod 15 is only required to drive the pressurizing mechanism to reset.
As shown in fig. 12, when the electromagnetic valve is a normally open electromagnetic valve, the opening and closing flow of the electromagnetic valve is opposite to the normally closed flow, at this time, the hydraulic pressure of the left side port of the valve body 1 is smaller than the hydraulic pressure of the right side port, because the two valve blocks 6 on the right side rotating shaft 12 block the pressurizing channel 8, at this time, the high-pressure liquid cannot enter the pressurizing chamber 9, although the low-pressure liquid on the left side can enter the pressurizing chamber 9 through the pressurizing channel 8, under the action of the pulling force spring 15 and the fluid resistance flowing in the flowing channel, the first piston 13 and the second piston 11 can not displace, when the electromagnetic push rod 5 is electrified to generate thrust, the pushing force pushes the rack 18 to rotate the gear 32, the rotating shaft 12 is driven to rotate by the gear 32, so that the valve blocks 6 can change directions, and when the four valve blocks 6 on the two rotating shafts 12 switch directions simultaneously, the two valve blocks 6 on the left side can not enter the pressurizing channel 8, at this time, the two valve blocks 6 on the right side leave from the opening of the pressurizing channel 8, so that the high-pressure liquid can be introduced into the pressurizing chamber 9, the liquid pressure is increased, so that the first piston 13 and the second piston 11 can flow through the flowing channel, and the flowing channel can flow through the sealing assembly, and the flowing channel can be closed, and the flowing channel can flow through the valve body 1, and the valve body can be opened and closed, and the flowing channel can be opened, and the flow through the valve assembly, and the valve assembly can be greatly, and the flow through, and the flow can be closed.
Example 3: the difference is based on example 1;
Referring to fig. 5-7, the sealing assembly comprises a fixing plate 26, the upper end of the fixing plate 26 is fixedly connected with the bottom of the first piston 13 through a plurality of fixing rods, an opening is formed in one side of the fixing portion 21, a lower concave portion 25 matched with the fixing plate 26 is formed in the upper end of the second piston 11, an annular groove 29 is formed in the side wall of the lower concave portion 25, a rubber tube 27 is fixedly connected to the edge of the fixing plate 26, the upper end of the rubber tube 27 is fixedly connected with the lower end of the first piston 13, the rubber tube 27 is matched with the annular groove 29, an annular tube 24 is embedded in the lower end of the first piston 13, the annular tube 24 is made of rubber materials, a plurality of guide tubes 22 are obliquely and fixedly connected to the tube wall of the annular tube 24, the guide tubes 22 are communicated with the inside of the first piston 13, a clamping groove 28 is formed in the upper end of the second piston 11, a notch is formed in the corner of one end opposite to the first piston 13 and the second piston 11, a second rubber ring 23 is fixedly connected to the two notches, and the height of the second rubber ring 23 is larger than the depth of the notch.
When the hydraulic pressure is increased to enable the first piston 13 to be in contact with the second piston 11, the second rubber ring 23 on the first piston 13 and the second piston 11 are deformed, the first sealing can be achieved on the outer side, when the hydraulic pressure in the pressurizing chamber 9 is increased, the liquid passes through the opening on the fixing part 21 of the first piston 13 to enter the first piston 13, at the moment, the liquid enters the annular pipe 24 through the guide pipe 22, the annular pipe 24 is expanded by the hydraulic pressure and is tightly attached to the clamping groove 28 at the upper end of the second piston 11, the second sealing is achieved, meanwhile, the liquid directly enters the rubber pipe 27 to expand, the rubber pipe 27 is deformed after being expanded and attached to the inner side of the annular groove 29, and the third sealing is achieved, so that the sealing performance when the electromagnetic valve is closed can be achieved.
It should be noted that the term "comprises," "comprising," or any other variation thereof is intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
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 (9)
1. The utility model provides an anti-leakage two-step solenoid valve that opens, includes valve body (1), its characterized in that: a through flow channel is arranged between the left side and the right side of the valve body (1), guide holes (10) communicated with the through flow channel are vertically arranged in the two through flow channels, an assembly hole communicated with the through flow channel is arranged between the upper side and the lower side of the valve body (1), the assembly hole is divided into two pressurizing chambers (9) by the through flow channel, a first piston (13) and a second piston (11) are respectively arranged in the two pressurizing chambers (9), the first piston (13) and the second piston (11) are of hollow structures, end covers (2) are fixedly connected to the upper end and the lower end of the valve body (1), through holes (34) with the same diameter as the guide holes (10) are vertically arranged in the two end covers (2), and a guide mechanism is arranged on one side of the end cover (2) positioned at the upper end and is used for controlling the liquid flow in the guide holes (10) to change the liquid pressure in the pressurizing chambers (9) so that the first piston (13) and the second piston (11) jointly control the on-off flow channel;
The novel air conditioner is characterized in that a pressurizing channel (8) is arranged between the diversion hole (10) and the pressurizing chamber (9) in a penetrating mode, a sealing assembly is arranged at one end, opposite to the first piston (13) and the second piston (11), of the first piston (13) and the second piston (11), two fixing portions (21) are respectively arranged at one end, opposite to the second piston (11), of the first piston, the two fixing portions (21) are respectively fixedly connected with a tension spring (15), and one end of the tension spring (15) is fixedly connected with one side of the end cover (2).
2. The leakage-proof two-step opening solenoid valve of claim 1, wherein: the flow guide mechanism comprises two rotating shafts (12), the two rotating shafts (12) are respectively arranged in two flow guide holes (10), two valve blocks (6) are fixedly connected to the shaft wall of the rotating shaft (12), two inclined planes (7) are formed in one sides of the valve blocks (6), the positions of the valve blocks (6) and the pressurizing channel (8) correspond to each other, a pressing plate (3) is fixedly connected to one end, far away from the valve body (1), of each end cover (2), one side of each pressing plate (3) is rotatably connected with one end of each rotating shaft (12) through a sealing bearing, the upper end of each rotating shaft (12) penetrates through the sealing bearing and is fixedly connected with a gear (32), one side of each gear (32) is meshed with a rack (18), one side of each pressing plate (3) is fixedly connected with an electromagnetic push rod (5), and the power output end of each electromagnetic push rod (5) is fixedly connected with one end of each rack (18).
The upper end fixedly connected with protection casing (4) of clamp plate (3), one side of protection casing (4) is through square mouth and the shell fixed connection of electromagnetism push rod (5), two all install drive assembly in plenum (9), first piston (13) and second piston (11) all link to each other with drive assembly.
3. The two-step solenoid valve of claim 2, wherein: the transmission assembly comprises two guide pipes (16) and two sleeves (17), an overflow hole (14) is formed between two through holes (34) in the end cover (2) in a penetrating mode, one end of the valve block (6) extends into the through holes (34) and is provided with a sealing part (33), a rubber ring (35) is embedded in the through holes (34), the rubber ring (35) is sleeved on the sealing part (33), and the inclined surface (7) extends into the through holes (34) and corresponds to the overflow hole (14);
One side of the overflow hole (14) is fixedly connected with the pipe orifice of the guide pipe (16) through a round hole, the centers of the first piston (13) and the second piston (11) are respectively fixedly connected with the pipe orifice of the opposite ends of the two sleeves (17) through round holes, and the guide pipe (16) is sleeved in the sleeves (17).
4. A two-step solenoid valve for preventing leakage according to claim 3, wherein: the pipe mouth of the sleeve (17) is internally sleeved with a sealing ring (30) along the sleeve, the guide pipe (16) is sleeved in the sealing ring (30), two positioning sliding blocks (31) are symmetrically and fixedly connected to the pipe wall of the guide pipe (16), two sliding grooves (37) are symmetrically formed in the inner wall of the sleeve (17), and the sliding grooves (37) are matched with the positioning sliding blocks (31).
5. The two-step solenoid valve of claim 2, wherein: the side wall of protection casing (4) has seted up the locating hole, the locating hole cup joints with the one end of rack (18), one side of end cover (2) is connected with positioning roller (36) through ball bearing rotation, positioning roller (36) and one side contact of rack (18).
6. The leakage-proof two-step opening solenoid valve of claim 1, wherein: two the pumping chambers (9) are embedded to be provided with two first rubber rings (19), the first piston (13) and the second piston (11) are respectively sleeved in the first rubber rings (19), two rubber strips (20) are vertically embedded to two opposite sides of the assembly hole, and two ends of each rubber strip (20) are respectively extended into the two pumping chambers (9) to be in contact with the side walls of the first piston (13) and the second piston (11).
7. The leakage-proof two-step opening solenoid valve of claim 1, wherein: the edges of one ends of the first piston (13) and the second piston (11) opposite to each other are provided with notches, the second rubber rings (23) are fixedly connected in the two notches, and the height of each second rubber ring (23) is larger than the depth of each notch.
8. The leakage-proof two-step opening solenoid valve of claim 1, wherein: the sealing assembly comprises a fixing plate (26), the upper end of the fixing plate (26) is fixedly connected with the bottom of the first piston (13) through a plurality of fixing rods, an opening is formed in one side of the fixing portion (21), a lower concave portion (25) matched with the fixing plate (26) is formed in the upper end of the second piston (11), an annular groove (29) is formed in the side wall of the lower concave portion (25), a rubber tube (27) is fixedly connected to the edge of the fixing plate (26), the upper end of the rubber tube (27) is fixedly connected with the lower end of the first piston (13), and the rubber tube (27) is matched with the position of the annular groove (29).
9. The leakage-proof two-step opening solenoid valve of claim 1, wherein: the lower extreme of first piston (13) inlays and is equipped with annular pipe (24), annular pipe (24) are the rubber material, slope fixedly connected with a plurality of honeycomb ducts (22) on the pipe wall of annular pipe (24), and honeycomb duct (22) and the inside intercommunication of first piston (13), draw-in groove (28) have been seted up to the upper end of second piston (11), draw-in groove (28) cooperate with the pipe wall of annular pipe (24).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410231505.2A CN117823651B (en) | 2024-03-01 | 2024-03-01 | Anti-leakage two-step opening electromagnetic valve |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202410231505.2A CN117823651B (en) | 2024-03-01 | 2024-03-01 | Anti-leakage two-step opening electromagnetic valve |
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| CN117823651A CN117823651A (en) | 2024-04-05 |
| CN117823651B true CN117823651B (en) | 2024-05-17 |
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| CN202410231505.2A Active CN117823651B (en) | 2024-03-01 | 2024-03-01 | Anti-leakage two-step opening electromagnetic valve |
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| GB600298A (en) * | 1944-11-30 | 1948-04-05 | Bendix Aviat Corp | Improvements in or relating to reciprocating pumps |
| CN2392954Y (en) * | 1999-05-19 | 2000-08-23 | 张军伟 | Double-way electromagnetic valve |
| JP2011014294A (en) * | 2009-06-30 | 2011-01-20 | Honda Motor Co Ltd | Fuel cell system |
| CN105673893A (en) * | 2016-03-31 | 2016-06-15 | 上海金盾消防安全设备有限公司 | Bidirectional non-return leakage alarm control valve |
| KR20170055700A (en) * | 2015-11-12 | 2017-05-22 | 주식회사 현대케피코 | Solenoid Valve |
| CN114825713A (en) * | 2022-04-29 | 2022-07-29 | 蔚来动力科技(合肥)有限公司 | Cooling oil circuit system for electric drive system and vehicle with cooling oil circuit system |
| CN219588140U (en) * | 2023-03-31 | 2023-08-25 | 南京艾利特液压设备有限公司 | Hydraulic valve capable of rapidly switching phases |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB0618555D0 (en) * | 2006-09-21 | 2006-11-01 | Enovate Systems Ltd | Improved well bore control vlave |
| US9482348B2 (en) * | 2014-11-06 | 2016-11-01 | Deltavalve, Llc | Cycle valve for use in hydromethanation process |
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2024
- 2024-03-01 CN CN202410231505.2A patent/CN117823651B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB600298A (en) * | 1944-11-30 | 1948-04-05 | Bendix Aviat Corp | Improvements in or relating to reciprocating pumps |
| CN2392954Y (en) * | 1999-05-19 | 2000-08-23 | 张军伟 | Double-way electromagnetic valve |
| JP2011014294A (en) * | 2009-06-30 | 2011-01-20 | Honda Motor Co Ltd | Fuel cell system |
| KR20170055700A (en) * | 2015-11-12 | 2017-05-22 | 주식회사 현대케피코 | Solenoid Valve |
| CN105673893A (en) * | 2016-03-31 | 2016-06-15 | 上海金盾消防安全设备有限公司 | Bidirectional non-return leakage alarm control valve |
| CN114825713A (en) * | 2022-04-29 | 2022-07-29 | 蔚来动力科技(合肥)有限公司 | Cooling oil circuit system for electric drive system and vehicle with cooling oil circuit system |
| CN219588140U (en) * | 2023-03-31 | 2023-08-25 | 南京艾利特液压设备有限公司 | Hydraulic valve capable of rapidly switching phases |
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|---|---|
| CN117823651A (en) | 2024-04-05 |
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