CN217784295U - Variable pressure type electromagnetic valve - Google Patents

Abstract

The application relates to the technical field of solenoid valves, specifically discloses a variable pressure formula solenoid valve, and its technical scheme main points are: the air inlet assembly comprises an air inlet seat and an air inlet sealing plug, the air inlet seat is arranged at the air inlet end, the air inlet sealing plug is arranged at the end part, facing the air inlet seat, of the movable iron core, the air outlet assembly comprises a fixed iron core and an air outlet sealing plug, the fixed iron core is arranged at the air outlet end, and the air outlet sealing plug is arranged at the end part, facing the fixed iron core, of the movable iron core; a plurality of air inlets are opened to the second valve body, and the second valve body is provided with first sealing washer. This application has and makes massage instrument can massage the operation to the different positions homoenergetic of human body to be favorable to improving the effect of massage instrument suitability.

Description

Variable pressure type electromagnetic valve

Technical Field

The application relates to the technical field of electromagnetic valves, in particular to a variable pressure type electromagnetic valve.

Background

With the rapid development of science and technology, people have higher and higher requirements on living standards, so that various massage instruments, such as a portable massage instrument, a massage seat of a new energy automobile and the like, are produced at the same time.

In the related art, a massage apparatus generally has a plurality of massage airbags, and the massage apparatus generally performs a massage function on a human body by controlling inflation and deflation operations in the massage airbags. While massage instruments generally use solenoid valves to control inflation and deflation. Generally, an electromagnetic valve includes a valve body, a valve core, a spring and an electromagnetic assembly, the electromagnetic valve restricts the valve core in the valve body through the spring, and drives the valve core to move in the valve body through the electromagnetic assembly, thereby realizing opening and closing of an air inlet and an air outlet in the electromagnetic valve.

In view of the above-mentioned related art, the inventor believes that a plurality of air bags are installed in a massage apparatus through electromagnetic valves, when the massage apparatus inflates the air bags, since the electromagnetic valves are installed in the same ventilation pipeline, the pressures applied to the plurality of air bags are the same, so that the pressing force of the plurality of air bags to the human body is the same, and the forces applied to different parts of the human body, such as eyes and waist, are different, so that the use of the massage apparatus is limited.

SUMMERY OF THE UTILITY MODEL

In order to make the massage instrument can massage the operation to the different positions homoenergetic of human body to be favorable to improving the suitability of massage instrument, this application provides a variable pressure formula solenoid valve.

The application provides a variable pressure formula solenoid valve adopts following technical scheme:

a variable pressure solenoid valve comprising:

the air inlet assembly comprises an air inlet seat and an air inlet sealing plug, the air inlet seat is fixedly arranged at the air inlet end, the air inlet sealing plug is arranged at the end part, facing the air inlet seat, of the movable iron core and used for opening and closing the air inlet end, the air outlet assembly comprises a fixed iron core and an air outlet sealing plug, the fixed iron core is fixedly arranged at the air outlet sealing plug, the air outlet sealing plug is arranged at the end part, facing the fixed iron core, of the movable iron core and used for opening and closing the air outlet end, when the electromagnetic assembly is powered on, the air outlet sealing plug moves to a position abutted against the fixed iron core, and when the electromagnetic assembly is powered off, the abutting is moved to the air inlet position of the air inlet seat;

the second valve body is provided with a plurality of air inlets for connecting the air inlet ends of the first valve body, and the second valve body is provided with a first sealing ring for opening and closing the air inlets.

By adopting the technical scheme, the first valve bodies are connected with the air inlet through the air inlet end to realize the connection of the plurality of first valve bodies on the second valve body, when the second valve body is ventilated, the air inlet is opened by the first sealing ring, so that air can enter the air inlet end of the first valve bodies, when the electromagnetic assembly is electrified, the electromagnetic assembly drives the movable iron core to move towards the direction close to the fixed iron core through electromagnetic induction, so that the exhaust sealing plug seals the exhaust end, meanwhile, the air inlet sealing plug moves towards the direction far away from the air inlet seat, so that the air inlet sealing plug opens the air inlet end, and the air entering the air inlet end enters the air bag through the inflating end to inflate the air bag; when the electricity of electromagnetic component, move the iron core and seal the position of exhaust end to the direction that is close to the seat of admitting air from the sealing plug that exhausts, the sealing plug that exhausts is kept away from fixed iron core and is made the exhaust end open, gas in the gasbag is discharged through the exhaust end, atmospheric pressure in a plurality of gasbag is all different, in order to change the compliance of gasbag, the compliance of every gasbag carries out the independent control through the electromagnetic component that its first valve body that connects set up, mutual noninterference, make the massage instrument can massage the operation to the different positions of human body, thereby be favorable to improving the suitability of massage instrument.

Preferably, first sealing washer is including solid fixed ring, sealed piece and connecting rod, gu fixed ring encloses to be located week side of air inlet, the one end of connecting rod with gu fixed ring's inside wall fixed connection, the other end of connecting rod with sealed piece fixed connection, sealed piece open and shut the butt in the air inlet.

Through adopting above-mentioned technical scheme, the connecting rod is connected the sealing block on solid fixed ring, and the sealing block can overturn from top to bottom in the fixed ring through the connecting rod, when the second valve body ventilates, atmospheric pressure in the second valve body is greater than the atmospheric pressure of inlet end in the first valve body, pressure differential pushes the sealing block open from the air inlet, realize the operation of admitting air of first valve body inlet end, when the gasbag needs to exhaust, the second valve body is not ventilated, atmospheric pressure in the first valve body is greater than the atmospheric pressure in the second valve body, pressure differential promotion sealing block supports tightly in the air inlet, realize the closure of air inlet, gas in the gasbag can only be discharged through the exhaust end, the displacement of exhaust end can be controlled through the removal of electromagnetic component control movable core, so that the flexibility of control gasbag, thereby be favorable to improving the suitability of massage instrument.

Preferably, the number of the connecting rods is two, and the two connecting rods are positioned on the same side of the sealing block at intervals.

Through adopting above-mentioned technical scheme, the quantity of connecting rod sets up to two stability when being favorable to improving sealed piece upset, and when atmospheric pressure in the first valve body was greater than the atmospheric pressure in the second valve body, pressure differential promoted sealed piece and supported tightly in the air inlet, was favorable to sealed piece to aim at the air inlet to be favorable to improving the seal of the sealed air inlet of sealed piece.

Preferably, the air inlet seat is provided with an air inlet, a first connecting hole is formed in the hole wall of the air inlet, a limiting block is arranged at the end part, facing the first sealing ring, of the air inlet seat, a second connecting hole is formed in the limiting block, and the first connecting hole is communicated with the second connecting hole.

Through adopting above-mentioned technical scheme, the seat of admitting air passes through the inlet port and realizes the intercommunication of inlet end and inflation end, and the stopper separates sealed piece and inlet port, is favorable to preventing to plug up the inlet port when sealed piece opens the air inlet, and when sealed piece opened the air inlet, the stopper supported sealed piece, and gas gets into in the inlet port through air inlet, second connecting hole and first connecting hole in proper order to gaseous operation of admitting air at the inlet end.

Preferably, the first connecting hole is flared, and the aperture of the first connecting hole gradually increases toward the direction close to the first sealing ring.

Through adopting above-mentioned technical scheme, this is provided with and does benefit to the speed when improving gaseous entering air inlet end through the inlet port, and is favorable to reducing the weight of air inlet seat.

Preferably, the electromagnetic assembly comprises an electromagnetic coil and two electromagnets, the electromagnetic coil is fixedly sleeved on the first valve body, the two electromagnets are respectively arranged on two opposite sides of the first valve body, and the electromagnetic coil is electrically connected with the power supply.

Through adopting above-mentioned technical scheme, when solenoid circular telegram, solenoid drives under the electromagnetic induction of two electro-magnets and moves the direction that the iron core moved towards being close to the fixed iron core for the exhaust sealing plug seals the exhaust end, and simultaneously, the sealing plug that admits air moves towards the direction of keeping away from the seat of admitting air, makes the air inlet end opened to the sealing plug that admits air, and gas can get into the air inlet end through the inlet port, and the gas that gets into the air inlet end gets into the gasbag through aerifing the end in order to aerify the gasbag, realizes the inflation control to the gasbag.

Preferably, the exhaust assembly further comprises a spring for tightly supporting the end of the movable iron core facing the air inlet seat to the air inlet seat, the spring is sleeved on the end of the movable iron core facing the fixed iron core, one end of the spring is fixedly connected with the movable iron core, and the other end of the spring is fixedly connected with the fixed iron core.

Through adopting above-mentioned technical scheme, when solenoid does not switch on, the spring will move the iron core and support tightly in the seat of admitting air, the inlet port is stopped up to the sealing plug of admitting air, realize the closure of inlet end, when solenoid switches on, the electromagnetic component moves the iron core through the electromagnetic induction drive and removes towards the direction that is close to fixed iron core, the compression of spring atress, the inlet port is kept away from to the sealing plug of admitting air, realize opening of inlet end, it is internal that the gas of being convenient for gets into first valve, when solenoid outage, the restoring force drive of spring moves the iron core and is close to the seat of admitting air, the inlet port is stopped up once more to the sealing plug of admitting air, thereby realize opening and close operation of inlet end.

Preferably, the outer side wall of the fixed iron core is sleeved with a second sealing ring, and the second sealing ring is abutted to the first valve body in a surrounding mode.

Through adopting above-mentioned technical scheme, the second sealing washer is favorable to improving the leakproofness of exhaust end.

Preferably, the air inlet sleeve is provided with a third sealing ring, and the third sealing ring is abutted to the first valve body in a surrounding mode.

Through adopting above-mentioned technical scheme, the third sealing washer is favorable to improving the leakproofness of inlet end.

Preferably, the fixed iron core is provided with an exhaust hole, the edge of the exhaust hole extends towards the direction close to the exhaust sealing plug to form a convex ring, and the sectional area of the exhaust sealing plug is larger than the area formed by the convex ring in an enclosing manner.

Through adopting above-mentioned technical scheme, the operation of exhausting is carried out to gas in the exhaust hole, and when the exhaust sealing plug and decide the iron core butt, the exhaust sealing plug butt is in order to stop up the exhaust hole in the bulge loop, is favorable to improving the seal when exhaust end seals.

In summary, the present application includes at least one of the following beneficial technical effects:

1. through set up the first valve body of a plurality of on the second valve body, atmospheric pressure in every gasbag passes through its electromagnetic component independent control who connects, mutual noninterference for a plurality of gasbag is different to human pressing force degree, and the compliance of gasbag is controllable, makes the massage instrument can massage the operation to human different positions, thereby is favorable to improving the suitability of massage instrument.

2. First sealing washer is including solid fixed ring, sealing block and connecting rod, the connecting rod is with sealing washer connection at solid fixed ring's intermediate position, and sealing block passes through the connecting rod and can overturn from top to bottom in the fixed ring, when the second valve body ventilates, atmospheric pressure in the second valve body is greater than the atmospheric pressure of inlet end in the first valve body, pressure differential pushes sealing block open from the air inlet, realize the operation of admitting air of first valve body inlet end, when the gasbag needs to exhaust, the second valve body is not ventilated, atmospheric pressure in the first valve body is greater than the atmospheric pressure in the second valve body, pressure differential promotion sealing block supports tightly in the air inlet, realize the closure of air inlet, gas in the gasbag can only be discharged through the exhaust end, the displacement of exhaust end can be controlled through the removal of electromagnetic component control movable core, so that the degree of flexibility of control gasbag, thereby be favorable to improving massage instrument's suitability.

3. The limiting block is arranged at the end part, facing the first sealing ring, of the air inlet seat, and the limiting block separates the sealing block from the air inlet hole, so that the air inlet hole is prevented from being blocked when the sealing block overturns to open the air inlet hole.

Drawings

Fig. 1 is a schematic overall structural diagram of a variable pressure solenoid valve according to an embodiment of the present application.

Fig. 2 is a sectional view of a variable pressure solenoid valve according to an embodiment of the present application.

Fig. 3 is a schematic structural diagram of a first seal ring according to an embodiment of the present application.

Fig. 4 is an enlarged view of a portion a in fig. 2.

Fig. 5 is an enlarged view of a portion B in fig. 2.

Description of reference numerals:

1. a first valve body; 11. an air inlet end; 12. an inflation end; 13. an exhaust end; 2. an air intake assembly; 21. an air inlet seat; 22. an air inlet sealing plug; 3. an exhaust assembly; 31. fixing an iron core; 32. a venting seal plug; 33. a spring; 4. a movable iron core; 5. an electromagnetic assembly; 51. an electromagnetic coil; 52. an electromagnet; 6. a second valve body; 7. an air inlet; 8. a first seal ring; 81. a fixing ring; 82. a sealing block; 83. a connecting rod; 9. an air inlet; 10. a first connection hole; 14. a limiting block; 15. a second connection hole; 16. a second seal ring; 17. a third seal ring; 18. an exhaust hole; 19. a convex ring; 20. a first accommodating groove; 23. a second accommodating groove.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses variable pressure formula solenoid valve for locate and control atmospheric pressure in the massage instrument, refer to fig. 1 and fig. 2, including first valve body 1 and second valve body 6, second valve body 6 is the tubulose setting, and the trachea in second valve body 6 and the massage instrument is linked together, and a plurality of supplies the air inlet 7 of 1 fixed connection of first valve body to the lateral wall of second valve body 6. In this embodiment, the number of air inlets 7 sets up to four, and four air inlets 7 are the even interval along the length direction of second valve body 6 and set up, and the quantity correspondence of first valve body 1 sets up to four, and four second valve bodies 6 are along the length direction of first valve body 1 and set up side by side.

Referring to fig. 1 and 2, each of the first valve bodies 1 includes an air inlet end 11, an air charging end 12, and an air discharging end 13, the air inlet end 11 being used to control an air charging operation of the first valve body 1, the air discharging end 13 being used to control an air discharging operation of the first valve body 1, and the air charging end 12 being used to perform an air charging operation of an air bag in the massage apparatus. An air inlet end 11 and an air outlet end 13 are respectively arranged at two end parts of the first valve body 1, the first valve body 1 is connected with the second valve body 6 by aligning the air inlet end 11 to the air inlet 7, an inflating end 12 is positioned on the side wall of the first valve body 1 and communicated with the air bags, and the four inflating ends 12 are correspondingly connected with the four air bags.

Referring to fig. 2 and 3, the second valve body 6 is provided with a first seal ring 8 for opening and closing the intake port 7. Specifically, the first seal ring 8 is formed by processing soft rubber, the first seal ring 8 includes an integrally formed fixing ring 81, a seal block 82 and a connecting rod 83, the fixing ring 81 is in a circular shape and concentrically surrounds the periphery of the air inlet 7, one end of the connecting rod 83 is fixedly connected with the inner side wall of the fixing ring 81, the other end of the connecting rod 83 is fixedly connected with the side wall of the seal block 82, the cross section of the seal block 82 is in a circular shape, the seal block 82 is located on the inner side of the fixing ring 81 and concentrically arranged with the fixing ring 81, the seal block 82 is opened and closed to abut against the air inlet 7, the surface diameter of the seal block 82 facing the air inlet 7 is larger than the diameter of the air inlet 7, when the second valve body 6 is not ventilated, the second valve body 6 is the same as the air pressure of the first valve body 1, the seal block 82 abuts against the air inlet 7 under the connecting effect of the connecting rod 83, so that the air inlet 7 is closed, when the second valve body 6 is ventilated, the air pressure in the second valve body 6 is larger than the air pressure in the first valve body 1, so that the seal block 82 is turned over in the direction away from the air inlet 7, so that the air inlet 7 is opened, and closed, and the opening operation of the air inlet 7 is realized. It is worth mentioning that the number of connecting rods 83 is set to two, and two connecting rods 83 are located the same side of sealed piece 82 and are the interval setting to improve the stability when sealed piece 82 moves under the effort of pressure differential, and be favorable to improving the stability of position when sealed piece 82 seals air inlet 7.

Referring to fig. 1 and 2, the air inlet end 11 is provided with an air inlet assembly 2 for controlling air to enter the first valve body 1, the air outlet end 13 is provided with an air outlet assembly 3 for controlling air to be discharged from the first valve body 1, and meanwhile, the first valve body 1 is provided with a movable iron core 4 and an electromagnetic assembly 5 for driving the movable iron core 4 to move between the air inlet end 11 and the air outlet end 13, so that air pressure control in the air bag is realized.

Referring to fig. 1 and 2, the electromagnetic assembly 5 in each first valve body 1 includes an electromagnetic coil 51 and two electromagnets 52, the electromagnetic coil 51 is fixedly sleeved on the first valve body 1, the two electromagnets 52 are respectively disposed on two opposite sides of the first valve body 1, and the electromagnetic coil 51 is electrically connected to a power supply. When the electromagnetic coil 51 is not energized, the movable iron core 4 is at an initial position in the first valve body 1, and it should be noted that the initial position of the movable iron core 4 is a position where the movable iron core 4 is close to the air inlet end 11 to close the air inlet end 11, and when the electromagnetic coil 51 is energized, the movable iron core 4 moves in the electromagnetic field generated by electromagnetic induction towards a direction close to the air outlet end 13 to close the air outlet end 13, and meanwhile, the movable iron core 4 is far away from the air inlet end 11 to open the air inlet end 11.

Referring to fig. 2 and 4, the air intake assembly 2 includes an air intake seat 21 and an air intake sealing plug 22, specifically, the air intake seat 21 is fixedly disposed at the air intake end 11, an air intake hole 9 is disposed at a middle position of the air intake seat 21 along a length direction of the first valve body 1, the air intake sealing plug 22 is fixedly disposed at an end portion of the movable iron core 4 facing the air intake seat 21, and the air intake sealing plug 22 opens and closes the air intake end 11 by opening and closing the air intake hole 9.

Referring to fig. 2 and 4, the hole wall of the air inlet hole 9 is provided with four first connection holes 10 along the circumferential direction at equal intervals, the air inlet seat 21 is provided with a limiting block 14 towards the end fixing of the first sealing ring 8, four second connection holes 15 are provided at positions where the limiting block 14 corresponds to the four first connection holes 10, so that the limiting block 14 is in a cross shape, the first connection holes 10 are communicated with the second connection holes 15, and when the air inlet 7 is opened by the sealing block 82, the limiting block 14 is located between the air inlet 7 and the first sealing ring 8 to prevent the sealing block 82 from blocking the air inlet hole 9. It is worth mentioning that first connecting hole 10 is the flaring setting, and the aperture of first connecting hole 10 is crescent towards the direction that is close to first sealing washer 8 to improve the speed that gaseous first valve body 1 of entering through inlet port 9, and be favorable to reducing the weight of air inlet seat 21, accord with the requirement of solenoid valve lightweight design.

Referring to fig. 2 and 5, the exhaust assembly 3 includes a fixed iron core 31 and an exhaust sealing plug 32, the fixed iron core 31 is fixedly disposed at the exhaust end 13, an exhaust hole 18 is formed in the middle of the fixed iron core 31 along the length direction of the first valve body 1, and the exhaust sealing plug 32 is disposed at the end of the movable iron core 4 facing the fixed iron core 31 and opens and closes the exhaust end 13 by opening and closing the exhaust hole 18. When the electromagnetic coil 51 is energized, the exhaust sealing plug 32 is driven by the movable iron core 4 to move to a position abutting against the fixed iron core 31 to close the exhaust hole 18, so as to close the exhaust end 13. Besides, the exhaust assembly 3 further includes a spring 33 for urging the intake sealing plug 22 against the intake seat 21 to perform a returning operation of the plunger 4. Specifically, the spring 33 is sleeved on the end portion of the movable iron core 4 facing the fixed iron core 31 along the length direction of the first valve body 1, one end of the spring 33 is fixedly connected with the movable iron core 4, and the other end of the spring 33 is fixedly connected with the fixed iron core 31. The spring 33 is in a compressed state in the first valve body 1, when the electromagnetic coil 51 is not electrified, the movable iron core 4 moves towards the direction close to the air inlet seat 21 under the action of the elastic force of the spring 33, so that the air inlet sealing plug 22 is abutted against the air inlet seat 21, the air inlet sealing plug 22 seals the air inlet hole 9, when the electromagnetic coil 51 is electrified, the movable iron core 4 receives a pulling force towards the direction of the fixed iron core 31 in the electromagnetic field generated by electromagnetic induction, the pulling force is greater than the elastic force of the spring 33, the movable iron core 4 moves towards the direction close to the fixed iron core 31, so that the exhaust sealing plug 32 is abutted against the fixed iron core 31, and the exhaust sealing plug 32 closes the exhaust hole 18. It should be noted that, a protruding ring 19 is fixedly arranged on the end surface of the fixed iron core 31 facing the movable iron core 4, the protruding ring 19 is located at the edge of the exhaust hole 18, the protruding ring 19 is formed by extending the edge of the exhaust hole 18 towards the direction close to the exhaust sealing plug 32, and the cross-sectional area of the exhaust sealing plug 32 is larger than the area formed by the surrounding of the protruding ring 19. When the exhaust sealing plug 32 abuts against the convex ring 19, the position where the exhaust sealing plug 32 abuts against the convex ring 19 is recessed to enclose the exhaust hole 18, which is beneficial to improving the tightness when the exhaust end 13 is closed.

Referring to fig. 4 and 5, the fixed iron core 31 is fixedly disposed through the exhaust end 13 of the first valve body 1, the outer side wall of the fixed iron core 31 abuts against the inner side wall of the first valve body 1, in order to improve the tightness of the exhaust end 13 of the first valve body 1, the outer side wall of the fixed iron core 31 is fixedly sleeved with a second sealing ring 16, the outer side wall of the fixed iron core 31 is correspondingly provided with a first accommodating groove 20 for accommodating the second sealing ring 16, the first accommodating groove 20 surrounds the outer side wall of the fixed iron core 31 and is communicated end to end, and the second sealing ring 16 is accommodated in the first accommodating groove 20 and abuts against the inner side wall of the first valve body 1. Similarly, the air inlet seat 21 is fixedly sleeved on the air inlet end 11 of the first valve body 1, the inner side wall of the air inlet seat 21 is abutted against the outer side wall of the first valve body 1, a third seal ring 17 is embedded in the inner side wall of the air inlet seat 21, a second containing groove 23 for containing the third seal ring 17 is correspondingly formed in the inner side wall of the air inlet seat 21, the second containing groove 23 is communicated with the inner side wall of the air inlet seat 21 in an end-to-end mode, the third seal ring 17 is contained in the second containing groove 23 and abutted against the outer side wall of the first valve body 1, and therefore the airtightness of the air inlet end 11 of the first valve body 1 is improved.

The implementation principle of a variable pressure solenoid valve of the embodiment of the application is as follows: when the electromagnetic coil 51 is not energized, the elastic force of the spring 33 pushes the movable iron core 4 to move towards the air inlet end 11, so that the air inlet sealing plug 22 abuts against the air inlet seat 21, the air inlet sealing plug 22 seals the air inlet hole 9, the second valve body 6 is ventilated so that the air pressure in the second valve body 6 is larger than the air pressure in the first valve body 1, the sealing block 82 is pushed open by pressure difference, the air enters the air inlet hole 9 through the air inlet 7, when the air bag needs to be inflated, the electromagnetic coil 51 is energized, the movable iron core 4 is subjected to a pulling force towards the direction of the fixed iron core 31 in an electromagnetic field generated by electromagnetic induction, the pulling force is larger than the elastic force of the spring 33, the movable iron core 4 moves towards the direction close to the fixed iron core 31, so that the exhaust hole 32 abuts against the fixed iron core 31, the exhaust hole 32 seals the exhaust hole 18, the air inlet sealing plug 22 is far away from the air inlet seat 21 at the moment, the air inlet hole 9 is opened, the air inlet hole is communicated into the first valve body 1, and gas is introduced into the airbag through the inflation end 12 to inflate the airbag, when the airbag needs to be exhausted, the second valve body 6 is not inflated, the air pressure in the first valve body 1 is greater than the air pressure in the second valve body 6, the sealing block 82 is pushed by the pressure difference to enable the sealing block 82 to be tightly abutted to the air inlet 7, the air inlet 7 is sealed to enable the gas in the airbag and the first valve body 1 not to flow to the second valve body 6 through the air inlet 7, the first sealing ring 8 realizes the one-way circulation of the gas in the air inlet 7, then the electromagnetic coil 51 is powered off, the movable iron core 4 is pushed to the air inlet end 11 by the elastic force of the spring 33 to be abutted to the air inlet seat 21, the air inlet sealing plug 22 blocks the air inlet 9, meanwhile, the air exhaust sealing plug 32 is far away from the fixed iron core 31, the air outlet 18 is opened, the gas in the airbag is exhausted through the air outlet 18, the gas content in the airbag can be flexibly controlled by controlling the on-off of the second valve body 6 and the on-off power of the electromagnetic coil 51, thereby can control the compliance of gasbag in a flexible way, and the compliance of every gasbag is through the 5 independent control of the electromagnetism subassembly that its first valve body 1 that connect set up, mutual noninterference for the massage instrument can be to the operation of massaging of human different positions, thereby is favorable to improving the suitability of massage instrument.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (10)

1. A variable pressure solenoid valve, comprising:

first valve body (1), the quantity of first valve body (1) is provided with a plurality of, every first valve body (1) all includes inlet end (11), aerifys end (12) and exhaust end (13), it is linked together with the gasbag to aerify end (12), inlet end (11) are provided with and are used for controlling gaseous entering inlet assembly (2) of first valve body (1), exhaust end (13) are provided with and are used for controlling gaseous the discharge exhaust subassembly (3) of first valve body (1), first valve body (1) are provided with movable iron core (4) and are used for the drive movable iron core (4) are in inlet end (11) with electromagnetic component (5) that remove between exhaust end (13), inlet assembly (2) are including inlet seat (21) and inlet seal plug (22), inlet seat (21) are fixed set up in inlet seal end (11), inlet seat (22) set up in movable iron core (4) orientation the tip of inlet seat (21) is used for opening and close inlet end (11) and exhaust seal plug (31) fixed iron core (31) set up in exhaust end (31) and exhaust seal plug (31) fixed end (31) and open and close The exhaust end (13) is used for moving the exhaust sealing plug (32) to a position abutting against the fixed iron core (31) when the electromagnetic assembly (5) is electrified, and the air inlet sealing plug (22) is moved to a position abutting against the air inlet seat (21) when the electromagnetic assembly (5) is powered off;

the valve comprises a second valve body (6), wherein the second valve body (6) is provided with a plurality of air inlets (7) for connecting air inlet ends (11) of the first valve body (1), and the second valve body (6) is provided with a first sealing ring (8) for opening and closing the air inlets (7).

2. A variable pressure solenoid valve according to claim 1, wherein: first sealing washer (8) are including solid fixed ring (81), sealed piece (82) and connecting rod (83), gu fixed ring (81) encloses to be located the week side of air inlet (7), the one end of connecting rod (83) with gu the inside wall fixed connection of fixed ring (81), the other end of connecting rod (83) with sealed piece (82) fixed connection, sealed piece (82) open and shut the butt in air inlet (7).

3. A variable pressure solenoid valve according to claim 2, wherein: the number of the connecting rods (83) is two, and the two connecting rods (83) are positioned on the same side of the sealing block (82) and are arranged at intervals.

4. A variable pressure solenoid valve according to claim 1, wherein: the air inlet seat (21) is provided with an air inlet hole (9), a first connecting hole (10) is formed in the hole wall of the air inlet hole (9), a limiting block (14) is arranged at the end, facing the first sealing ring (8), of the air inlet seat (21), a second connecting hole (15) is formed in the limiting block (14), and the first connecting hole (10) is communicated with the second connecting hole (15).

5. The variable pressure solenoid valve according to claim 4, wherein: first connecting hole (10) are the flaring setting, the aperture of first connecting hole (10) is towards being close to the direction crescent of first sealing washer (8).

6. A variable pressure solenoid valve according to claim 1, wherein: the electromagnetic assembly (5) comprises an electromagnetic coil (51) and two electromagnets (52), the electromagnetic coil (51) is fixedly sleeved on the first valve body (1), the two electromagnets (52) are respectively arranged on two opposite sides of the first valve body (1), and the electromagnetic coil (51) is electrically connected with a power supply.

7. A variable pressure solenoid valve according to claim 1, wherein: exhaust subassembly (3) still including be used for with move iron core (4) orientation the tip of air inlet seat (21) support tightly in spring (33) of air inlet seat (21), spring (33) cover is located move iron core (4) orientation the tip of fixed iron core (31), the one end of spring (33) with move iron core (4) fixed connection, the other end of spring (33) with fixed iron core (31) fixed connection.

8. A variable pressure solenoid valve according to claim 1, wherein: the outer side wall of the fixed iron core (31) is sleeved with a second sealing ring (16), and the second sealing ring (16) surrounds and abuts against the first valve body (1).

9. A variable pressure solenoid valve according to claim 1, wherein: air inlet seat (21) cover is equipped with third sealing washer (17), third sealing washer (17) encircle the butt in first valve body (1).

10. A variable pressure solenoid valve according to claim 1, wherein: the fixed iron core (31) is provided with an exhaust hole (18), the edge of the exhaust hole (18) extends towards the direction close to the exhaust sealing plug (32) to form a convex ring (19), and the sectional area of the exhaust sealing plug (32) is larger than the area formed by the convex ring (19) in an enclosing mode.

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