CN221003776U - Mute air valve and massage instrument with same - Google Patents

Abstract

The application relates to a mute air valve and a massager with the same, and relates to the field of valves, wherein the mute air valve comprises a shell, a framework, a coil winding and a mute filter element; the framework is provided with a flow guide part, an air inlet end positioned at one end of the flow guide part, an air outlet end positioned at the other end of the flow guide part and an air leakage end, the flow guide part is provided with a flow guide cavity, a valve core which is pushed by electromagnetic force of a coil winding to open and close the air inlet end and the air leakage end and an elastic piece which drives the valve core to reset are arranged in the flow guide cavity, and a gasket which is used for being matched with the air inlet end and the air leakage end in a sealing way is arranged on the valve core; the air leakage end is provided with an air leakage chamber, the air leakage chamber is provided with an air leakage chamber, one end of the air leakage chamber penetrates through the peripheral wall of the air leakage chamber to form an air exhaust port, and the other end of the air leakage chamber is communicated with the air leakage end through the flow guide chamber; the silencing filter element is arranged in the air venting cavity and covers the air venting cavity. Therefore, the mute air valve can realize the effects of noise reduction and exhaust by changing the flow speed of air flow through the mute filter element arranged in the air release chamber.

Description

Mute air valve and massage instrument with same

Technical Field

The invention relates to the field of valves, in particular to a mute air valve and a massager with the mute air valve.

Background

The air valve is used for controlling the air to enter and exit, the mute air valve is mainly used in equipment needing pressure maintaining and air leakage, and the equipment needs to achieve the effect of reducing noise generated in the air leakage process.

In the related technical means, the air valve mainly comprises a framework, a control assembly, an air discharging nozzle, an air inlet nozzle and an air outlet nozzle, wherein the control assembly is arranged in the framework, and the air inlet nozzle and the air outlet nozzle are respectively connected and communicated with the control assembly. In the air leakage process, air flow enters the control assembly from the air bag through the air outlet nozzle, the control assembly blocks the air inlet nozzle, the air flow is controlled to enter the air outlet nozzle and is discharged from the air outlet nozzle, and large noise is easily generated when the air is discharged through the air outlet nozzle because the air flow speed is too high and the air pressure is too high.

For the related technical means, the air valve is easy to generate larger noise in the air release process.

Disclosure of utility model

In order to reduce noise generated in the air leakage process, the application provides a mute air valve and a massager with the mute air valve.

In a first aspect, the present application provides a mute air valve, which adopts the following technical scheme:

A mute air valve comprises a shell, a framework arranged in the shell, a coil winding surrounding the peripheral wall of the framework and a mute filter element detachably connected with the framework;

The framework is provided with a flow guide part, an air inlet end positioned at one end of the flow guide part, an air outlet end positioned at the other end of the flow guide part and an air leakage end, the flow guide part is provided with a flow guide cavity, a valve core for opening and closing the air inlet end and the air leakage end and an elastic piece for driving the valve core to reset are arranged in the flow guide cavity under the pushing of electromagnetic force of a coil winding, and a gasket for sealing and matching with the air inlet end and the air leakage end is arranged on the valve core;

The air leakage end is provided with an air leakage chamber, the air leakage chamber is provided with an air leakage chamber, one end of the air leakage chamber penetrates through the peripheral wall of the air leakage chamber to form an air exhaust port, and the other end of the air leakage chamber is communicated with the air leakage end through the flow guide chamber; the silencing filter element is arranged in the air leakage cavity and covers the air leakage cavity.

By adopting the technical scheme, in the inflation process, air flow enters from the air inlet end, the elastic element enables the end face of the valve core close to the air leakage end to be abutted with the air leakage end due to the elastic potential energy of the elastic element, the air is blocked from entering the air leakage cavity through the gasket, and the air flow is caused to enter the external air bag through the air leakage end, so that the inflation process is realized; in the air leakage process, the coil winding is electrified to generate electromagnetic force, so that the valve core is abutted against the air inlet end towards the end face far away from the air leakage end, gas is blocked from entering the flow guiding cavity through the air inlet end by the gasket, meanwhile, the gasket close to the air leakage end moves towards the air inlet end along with the valve core, so that the flow guiding cavity is communicated with the air leakage cavity, gas in the air bag flows back into the flow guiding part through the air outlet end to enter the air leakage cavity, passes through the silencing filter element and is discharged from the air exhaust port. The silencing filter element changes the flow velocity of the air flow so as to realize sound reduction and silencing, and simultaneously, the effect of exhausting can be achieved.

Preferably, a core accommodating hole is formed in the end face, far away from the air leakage end, of the air leakage chamber, and the silencing filter element covers the air leakage cavity through the core accommodating hole.

Through adopting above-mentioned technical scheme, amortization filter core passes through the appearance core hole and installs in the air release chamber, and amortization filter core covers the air release chamber to reached the effect of falling sound and eliminating the noise, changed among the related art, with the air release chamber divide into two modules, amortization material packs into the air release chamber in advance, assembles two modules of air release chamber with ultrasonic welding's method together again, thereby reduced the complexity of silence pneumatic valve assembly, improved silence pneumatic valve assembly's efficiency.

Preferably, the mute air valve further comprises a first bolt for fixing the mute filter element; the air leakage chamber is provided with a first bolt containing hole matched with the first bolt, the first bolt penetrates through the first bolt containing hole, and the first bolt is fixedly connected with the silencing filter element.

Through adopting above-mentioned technical scheme, amortization filter core gets into the gas drainage chamber through holding the core hole, and amortization filter core covers the gas drainage chamber, and first bolt wears to establish first appearance keyhole, passes through screw thread fixed connection with amortization filter core, when the air current passes the amortization filter core through the gas drainage chamber, strengthens the stability of amortization filter core at the indoor installation of gas drainage, avoids the air current to make the amortization filter core not hard up through the impulsive force that the amortization filter core produced, produces to drop, influences the effect of falling sound and noise elimination.

Preferably, the silencing filter element is in interference fit with the air leakage chamber.

Through adopting above-mentioned technical scheme for amortization filter core close fit and cover the bleeder cavity, strengthened the impact resistance of amortization filter core, avoided amortization filter core to connect the situation that drops, strengthened the stability of amortization filter core installation, guaranteed the effect of silence pneumatic valve sound attenuation noise elimination, adopt interference fit to connect simultaneously and make the silence pneumatic valve reach simple structure, effect that bearing capacity is big.

Preferably, the silencing filter element is arranged in the air leakage cavity through the exhaust port and covers the air leakage cavity, and a second plug receiving hole is formed in the end face, away from the air leakage end, of the air leakage chamber; the mute air valve further comprises a second bolt matched with the second bolt containing hole; the second bolt resists the silencing filter element through the second bolt containing hole.

Through adopting above-mentioned technical scheme, amortization filter core arranges in the gas chamber and covers the gas chamber that leaks through the exhaust port, and the second bolt holds keyhole and gas chamber fixed connection through the second on the gas chamber that leaks, keeps out amortization filter core simultaneously, has avoided the impulsive force that the air current produced through amortization filter core to make amortization filter core roll-off from the gas chamber that leaks, the stability of reinforcing amortization filter core installation in the gas chamber that leaks guarantees the effect of falling sound and silencing.

Preferably, the flow guiding part is provided with a first baffle ring and a second baffle ring, the first baffle ring is fixedly connected with the air leakage chamber, the second baffle ring is positioned at one end of the flow guiding part far away from the air leakage chamber, and the coil winding is positioned between the first baffle ring and the second baffle ring.

By adopting the technical scheme, the coil winding is attached to the diversion part, so that the phenomenon that the coil winding slides on the diversion part due to gravity to influence electromagnetic force generated by the coil winding after being electrified is avoided, and the effect of inflation or deflation of the mute air valve is influenced.

Preferably, the silencing filter element is a PE sintered filter element, a bronze sintered filter element, a stainless steel sintered filter element or a hard sponge.

Through adopting above-mentioned technical scheme, there are innumerable tiny aperture in the amortization filter core inside, adjust amortization filter core material's density can change the size and the quantity of aperture, amortization filter core through the velocity of flow that changes the gas and pass to realize amortization filter core's effect of falling sound and noise elimination, also can exhaust simultaneously, improved the difficult defect of assembling of use soft sponge among the related art.

Preferably, the shell is provided with an end cover and a shell body matched with the end cover, and the end cover is provided with a clamping groove; the shell is provided with a clamping convex block matched with the clamping groove, and the clamping convex block is matched with the clamping groove in a clamping way.

Through adopting above-mentioned technical scheme, the joint lug of casing cooperates with the joint recess joint of end cover, with each subassembly fixed assembly of silence pneumatic valve together, has changed the mode that uses a plurality of bolts to carry out fixed connection, very big simplified the installation step of silence pneumatic valve, thereby also reduced the extra cost of saving that needs increase the bolt simultaneously.

Preferably, the end cap is integrally formed with the skeleton.

By adopting the technical scheme, compared with the mode that the end cover and the framework are separated and opened, the integral molding of the end cover and the framework reduces the number of the molds for opening the mute air valve on one hand and reduces the cost; on one hand, the end cover and the framework are integrally formed, so that the structural strength of the mute air valve is improved; on the one hand, the processing technology of the end cover is reduced, the assembly steps are reduced, the assembly process of the mute air valve is simplified, and the production efficiency of the mute air valve is improved.

In a second aspect, the present application provides a massage apparatus, which adopts the following technical scheme:

A massage device comprises the mute air valve.

By adopting the technical scheme, the noise volume generated by the mute air valve in the air release link can have a larger influence on the satisfaction degree of a user using the product.

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

1. In the inflation process, air flow enters from the air inlet end, the elastic member enables the end face of the valve core, which is close to the air leakage end, to be in butt joint with the air leakage end due to self elastic potential energy, the air is covered by the gasket to enter the air leakage cavity, and the air flow is caused to enter the external air bag through the air leakage end, so that the inflation process is realized; in the air leakage process, the coil winding is electrified to generate electromagnetic force, so that the valve core is abutted against the air inlet end towards the end face far away from the air leakage end, air is covered by the gasket to enter the flow guiding cavity through the air inlet end, and meanwhile, the gasket close to the air leakage end moves towards the air inlet end along with the valve core, so that the flow guiding cavity is communicated with the air leakage cavity, air in the air bag flows back into the flow guiding part through the air outlet end to enter the air leakage cavity, passes through the silencing filter element and is discharged from the air exhaust port. The silencing filter element changes the flow velocity of the air flow so as to realize sound reduction and silencing, and simultaneously, the effect of exhausting can be achieved.

2. Make amortization filter core close fit and cover the bleeder cavity, strengthened the impact resistance of amortization filter core, avoided amortization filter core to connect the situation that drops, strengthened the stability of amortization filter core installation, guaranteed the effect of silence pneumatic valve sound attenuation noise elimination, adopt interference fit to connect simultaneously and make silence pneumatic valve reach simple structure, effect that bearing capacity is big.

3. The clamping convex blocks of the shell are matched with the clamping grooves of the end cover in a clamping manner, all components of the mute air valve are fixedly assembled together, the mode of fixedly connecting by using a plurality of bolts is changed, the installation step of the mute air valve is greatly simplified, and meanwhile, the additional requirement of adding bolts is reduced, so that the cost is saved.

4. The noise volume generated by the mute air valve in the air release link can have great influence on the satisfaction degree of a user using the product.

Drawings

Fig. 1 is a schematic overall structure of embodiment 1 of the present application.

Fig. 2 is a schematic diagram of an exploded structure of embodiment 1 of the present application.

FIG. 3 is a schematic view showing the structure of the protruding end face and the skeleton in example 2 of the present application.

Fig. 4 is a schematic cross-sectional structure of embodiment 1 of the present application.

Fig. 5 is a partial enlarged view of the portion a of fig. 4 highlighting the inflation process.

Fig. 6 is a partial enlarged view of the portion a of fig. 4 highlighting the venting process.

Fig. 7 is a schematic cross-sectional structure of embodiment 3 of the present application.

Fig. 8 is a schematic cross-sectional structure of embodiment 4 of the present application.

Reference numerals illustrate:

A housing; 11. an end cap; 111. avoiding the groove; 112. a clamping groove; 12. a housing; 121. an end wall; 122. a sidewall; 123. a mounting hole; 124. a clamping convex block; 2. a skeleton; 21. a flow guiding part; 211. a diversion cavity; 212. a first baffle ring; 213. a second barrier ring; 214. an annular boss; 215. a venting channel; 22. an air inlet end; 221. an air inlet nozzle; 222. an air inlet cavity; 223. a seal ring; 23. an air outlet end; 231. an air outlet nozzle; 232. an air outlet cavity; 24. a venting end; 241. a gas release chamber; 2411. an exhaust port; 242. a venting chamber; 243. rong Xinkong; 244. a first plug receiving hole; 245. a second plug receiving hole; 3. a coil winding; 4. a silencing filter element; 5. a valve core; 51. a gasket; 52. a receiving groove; 53. a ventilation chamber; 6. an elastic member; 7. a first bolt; 8. and a second bolt.

Detailed Description

The application is described in further detail below with reference to fig. 1-8.

The embodiment of the application discloses a mute air valve which is mainly used for equipment such as a massage instrument and the like which need to carry out air pressure maintaining and air leakage control, so that an air bag of the equipment can be switched between a pressure maintaining state and an air leakage state.

Example 1:

Referring to fig. 1 and 2, the mute air valve comprises a shell 1, a framework 2, a coil winding 3, a valve core 5, an elastic piece 6 and a mute filter element 4. The framework 2 is arranged in the shell 1, the coil winding 3 surrounds the peripheral wall of the framework 2, the valve core 5 and the elastic piece 6 are arranged in the framework 2, and the silencing filter element 4 is detachably connected to the framework 2.

The shell 1 comprises an end cover 11 and a shell 12, wherein the end cover 11 is in a flat cuboid arrangement, the shell 12 is in a U-shaped arrangement, the shell 12 is provided with an end wall 121 and two side walls 122 which are parallel to each other, the end cover 11 is parallel to the end wall 121 of the shell 12, the side edges of the end cover 11 are respectively connected with the side walls 122 corresponding to the shell 12, and the shell 12 and the end cover 11 enclose to form an installation space.

The end cover 11 is provided with a recess 111 for accommodating the skeleton 2, and the end wall 121 of the housing 12 is provided with a mounting hole 123 for accommodating the skeleton 2, and one end of the skeleton 2 is passed through the recess 111, and the other end of the skeleton 2 is passed through the mounting hole 123 to mount the skeleton 2 in the housing 1.

The end cover 11 is fixedly connected with the shell 12, specifically, the side edge of the end cover 11 connected with the side wall 122 of the shell 12 is provided with a clamping groove 112, the shell 12 is provided with a clamping projection 124 matched with the clamping groove 112, the clamping projection 124 is clamped with the clamping groove 112 in a riveting mode, and the fixed connection between the shell 12 and the end cover 11 is realized, so that all components of the mute air valve are fixedly assembled together through the end cover 11 and the shell 12.

Referring to fig. 2 and 4, the frame 2 has a flow guiding portion 21, an air inlet end 22, an air outlet end 23, and an air outlet end 24, the air inlet end 22 being located at a near end of the flow guiding portion 21 near the housing 12, and the air outlet end 23 and the air outlet end 24 being located at an end of the flow guiding portion 21 near the end face.

The flow guiding part 21 is provided with a flow guiding cavity 211, a valve core 5 which is pushed by electromagnetic force of the coil winding 3 to open and close the air inlet end 22 and the air outlet end 24 and an elastic piece 6 which drives the valve core 5 to reset are arranged in the flow guiding cavity 211, the valve core 5 is positioned at one end of the flow guiding cavity 211 close to the end cover 11, which is close to the shell 12, and the elastic piece 6 is connected with one end of the valve core 5 close to the shell 12; the two ends of the valve core 5 are provided with a containing groove 52 and gaskets 51 matched with the containing groove 52, the gaskets 51 are positioned in the containing groove 52 and used for sealing the air inlet end 22 or the air outlet end 24, and the air tightness of the air flow enhanced mute air valve in the air charging or air discharging process is covered. To increase the gas flow rate of the flow guide chamber 211, the spool 5 is provided with a vent chamber 53. In the present embodiment, the ventilation chamber 53 may be obtained by providing a flat surface on the outer circumferential surface of the spool 5.

The guide part 21 is further provided with a first baffle ring 212 and a second baffle ring 213 for blocking the coil winding 3, the first baffle ring 212 is located at one end of the guide part 21, the second baffle ring 213 is located at one end, close to the shell 12, of the guide part 21, the coil winding 3 is located between the first baffle ring 212 and the second baffle ring 213, the coil winding 3 is attached to the guide part 21, and the phenomenon that the coil winding 3 slides on the guide part 21 due to gravity to influence electromagnetic force generated by the coil winding 3 after power on is avoided.

Referring to fig. 4, the air inlet end 22 is provided with an air inlet nozzle 221, the air inlet nozzle 221 is used for being connected with external air supply equipment, and the air inlet nozzle 221 is positioned in the diversion cavity 211 and is close to the end of the shell 12, which is close to the distance. The air inlet nozzle 221 is provided with the sealing ring 223, and the sealing ring 223 is located the periphery of the air inlet nozzle 221, and the sealing ring 223 is closely matched with the flow guide cavity 211, so that the air flow is covered and overflowed through the gap between the air inlet nozzle 221 and the flow guide part 21, and the air tightness of the mute air valve is effectively enhanced.

The elastic piece 6 is located between the air inlet nozzle 221 and the valve core 5, so that the elastic potential energy of the elastic piece 6 pushes the valve core 5 away from the air inlet nozzle 221, and air enters the diversion cavity 211 from the air inlet nozzle 221. In this embodiment, the elastic member 6 is a spring.

The air outlet end 23 is provided with an air outlet nozzle 231, the air outlet nozzle 231 is used for being connected with an external air bag, the air outlet nozzle 231 is fixedly connected with the first baffle ring 212, an air outlet cavity 232 is arranged in the air outlet nozzle 231, and the air outlet cavity 232 is communicated with the diversion cavity 211.

The air release end 24 is provided with an air release chamber 241, the air release chamber 241 is fixedly connected with the air release nozzle 231, an air release cavity 242 is arranged in the air release chamber 241, one end of the air release cavity 242 penetrates through the peripheral wall of the air release chamber 241 to form an air release port 2411, and the other end of the air release cavity 242 is communicated with the air release cavity 232 through the flow guide cavity 211. The air leakage end 24 is provided with an annular boss 214 facing the valve core 5, an air leakage channel 215 is arranged in the annular boss 214, and the air leakage channel 215 is communicated with the air leakage cavity 242 and the diversion cavity 211.

Referring to fig. 4, the end face of the air release chamber 241 away from the air release end 24 is provided with a core containing hole 243, and the silencing filter element 4 enters the air release chamber 242 through the core containing hole 243, so that the silencing filter element 4 is in interference fit with the air release chamber 241, the silencing filter element 4 is tightly matched with and covers the air release chamber 242, the impact resistance of the silencing filter element 4 is enhanced, the situation that the silencing filter element 4 is connected and falls off is avoided, the stability of the installation of the silencing filter element 4 is enhanced, the effect of silencing the silencing air valve in terms of noise reduction is ensured, and meanwhile, the silencing air valve is connected by interference fit, so that the effects of simple structure and high bearing capacity are achieved.

Referring to fig. 5, in the process of inflating the mute air valve, air flow enters from the air inlet nozzle 221, the elastic member 6 enables the gasket 51 of the valve core 5, which is close to the air release end 24, to cover the air release end 24 due to self elastic potential energy, and the gasket 51 covers the air to enter the air release cavity 242, so that the air flow is caused to enter the external air bag through the air release end 23, and the process of inflating is realized.

Referring to fig. 6, in the air release process, the coil winding 3 is energized to generate electromagnetic force, so that the valve core 5 is abutted against the air inlet end 22 towards the end surface far away from the air release end 24, air is covered by the gasket 51 to enter the flow guiding cavity 211 through the air inlet end 22, meanwhile, the gasket 51 close to the air release end 24 moves along with the valve core 5 towards the air inlet end 22, so that the flow guiding cavity 211 is communicated with the air release channel 215, air in the air bag flows back into the flow guiding part 21 through the air outlet cavity 232, enters the air release cavity 242 through the air release channel 215, passes through the silencing filter element 4 and is discharged from the air outlet port 2411.

The silencing filter element 4 can use PE sintered filter elements, bronze sintered filter elements, stainless steel sintered filter elements, hard sponge and the like, and the silencing filter element 4 can realize sound-reducing and silencing by changing the flow velocity of air flow and can also perform the exhaust effect.

The implementation principle of the mute air valve provided by the embodiment of the application is as follows: in the inflating process of the mute air valve, air flow enters from the air inlet nozzle 221, the elastic piece 6 enables the gasket 51 of the valve core 5, which is close to the air leakage end 24, to cover the air leakage end 24 due to self elastic potential energy, and the gasket 51 covers the air to enter the air leakage cavity 242, so that the air flow is caused to enter the external air bag through the air leakage end 23, and the inflating process is realized. In the air release process of the mute air valve, the coil winding 3 is electrified to generate electromagnetic force, so that the end face of the valve core 5, which is far away from the air release end 24, is abutted against the air inlet end 22, air is covered by the gasket 51 to enter the flow guide cavity 211 through the air inlet end 22, meanwhile, the gasket 51, which is close to the air release end 24, moves towards the air inlet end 22 along with the valve core 5, so that the flow guide cavity 211 is communicated with the air release channel 215, air in the air bag flows back into the flow guide part 21 through the air release channel 215 to enter the air release cavity 242 through the air outlet cavity 232, passes through the mute filter element 4 and is discharged from the air discharge port 2411. The silencing filter element 4 realizes sound-reducing silencing by changing the flow velocity of the air flow, and can also perform the effect of exhaust.

Example 2:

Referring to fig. 3, embodiment 2 is different from embodiment 1 in that an end cap 11 is integrally formed with a frame 2. The advantage of integrally forming the end cover 11 and the frame 2 compared with the embodiment 1 in which the end cover 11 is separated from the frame 2 is that, on one hand, the number of molds for opening the mute air valve is reduced, and the cost is reduced; on one hand, the integral molding increases the structural strength of the mute air valve; on the one hand, the processing technology of the end cover 11 is reduced, the assembly steps are reduced, the assembly process of the mute air valve is simplified, and the production efficiency of the mute air valve is improved.

Example 3:

Referring to fig. 7, embodiment 3 is different from embodiment 1 in that a noise reduction filter element 4 enters a vent cavity 242 through a core receiving hole 243, and the noise reduction filter element 4 covers the vent cavity 242. The end surface of the gas discharge chamber 241, which is far away from the gas discharge end 23, is provided with a first plug receiving hole 244, and the mute gas valve also comprises a first bolt 7 matched with the first plug receiving hole 244; the first bolt 7 is fixedly connected with the air release chamber 241 through a first bolt containing hole 244 on the air release chamber 241. The stability of the installation of the silencing filter element 4 in the air leakage chamber 241 is enhanced, and the influence of falling sound and silencing effects caused by loosening of the silencing filter element 4 due to the impulsive force generated by the air flow passing through the silencing filter element 4 is avoided.

Example 4:

Referring to fig. 8, embodiment 4 is different from embodiment 3 in that a silencing filter cartridge 4 enters a vent chamber 242 through an exhaust port 2411, and the silencing filter cartridge 4 is disposed inside the vent chamber 242 and covers the vent chamber 242; the end surface of the gas release chamber 241, which is far away from the gas inlet nozzle 221, is provided with a second bolt hole 245, and the mute gas valve also comprises a second bolt 8 matched with the second bolt hole 245; the second bolt 8 is abutted with the silencing filter element 4 through the second bolt containing hole 245. When the air flow passes through the silencing filter element 4 through the air discharging cavity 242, the impact force generated by the air flow passing through the silencing filter element 4 is avoided, so that the silencing filter element 4 slides out of the air discharging cavity 242, the stability of the installation of the silencing filter element 4 in the air discharging chamber 241 is enhanced, and the effect of noise reduction and silencing is ensured.

The application discloses a massage instrument, which comprises the mute air valve, wherein the mute air valve is mainly connected with an air bag of the massage instrument and is used for reducing noise generated when air is discharged from the air bag in the air leakage process of the massage instrument, so that the satisfaction of a user in using the product is improved.

The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.

Claims (10)

1. The silencing air valve is characterized by comprising a shell (1), a framework (2) arranged in the shell (1), a coil winding (3) arranged around the peripheral wall of the framework (2) and a silencing filter element (4) detachably connected with the framework (2);

The framework (2) is provided with a flow guiding part (21), an air inlet end (22) positioned at one end of the flow guiding part (21), an air outlet end (23) positioned at the other end of the flow guiding part (21) and an air leakage end (24), the flow guiding part (21) is provided with a flow guiding cavity (211), a valve core (5) which is pushed by electromagnetic force of a coil winding (3) to open and close the air inlet end (22) and the air leakage end (24) and an elastic piece (6) which drives the valve core (5) to reset are arranged in the flow guiding cavity (211), and a gasket (51) which is used for being in sealing fit with the air inlet end (22) and the air leakage end (24) is arranged on the valve core (5);

The air leakage end (24) is provided with an air leakage chamber (241), the air leakage chamber (241) is provided with an air leakage chamber (242), one end of the air leakage chamber (242) penetrates through the peripheral wall of the air leakage chamber (241) to form an air exhaust port (2411), and the other end of the air leakage chamber (242) is communicated with the air outlet end (23) through the flow guide chamber (211); the silencing filter element (4) is arranged in the air leakage cavity (242), and the silencing filter element (4) covers the air leakage cavity (242).

2. A silencing air valve as claimed in claim 1, wherein the end face of the air release chamber (241) remote from the air release end (24) is provided with a core receiving hole (243), and the silencing filter element (4) covers the air release cavity (242) through the Rong Xinkong (243).

3. A silencing gas valve as claimed in claim 2, wherein the valve further comprises a first bolt (7) for fixing the silencing cartridge (4); the air leakage chamber (241) is provided with a first bolt containing hole (244) matched with the first bolt (7), the first bolt (7) penetrates through the first bolt containing hole (244), and the first bolt (7) is fixedly connected with the silencing filter element (4).

4. A mute gas valve as claimed in claim 2, characterised in that said silencing filter cartridge (4) is interference fitted with said bleed chamber (241).

5. The mute air valve according to claim 1, wherein the mute filter element (4) is arranged in the air release cavity (242) through the exhaust port (2411) and covers the air release cavity (242), and a second plug receiving hole (245) is arranged on the end surface of the air release cavity (241) away from the air release end (24); the mute air valve also comprises a second bolt (8) matched with the second bolt containing hole (245); the second bolt (8) resists the silencing filter element (4) through the second bolt containing hole (245).

6. A mute air valve according to claim 1, characterized in that the guide part (21) is provided with a first barrier ring (212) and a second barrier ring (213), the first barrier ring (212) is fixedly connected with the air release chamber (241), the second barrier ring (213) is located at the end of the guide part (21) remote from the air release chamber (241), and the coil winding (3) is located between the first barrier ring (212) and the second barrier ring (213).

7. A mute gas valve according to claim 1, characterized in that the mute filter element (4) is a PE sintered filter element, a bronze sintered filter element, a stainless steel sintered filter element and a hard sponge.

8. A mute gas valve according to claim 1, characterized in that the housing (1) has an end cap (11) and a housing (12) for cooperation with the end cap (11), the end cap (11) being provided with a snap-in groove (112); the shell (12) is provided with a clamping convex block (124) matched with the clamping groove (112), and the clamping convex block (124) is matched with the clamping groove (112) in a clamping way.

9. A mute air valve according to claim 8, characterized in that the end cap (11) is integrally formed with the frame (2).

10. A massaging apparatus comprising a mute air valve as claimed in any one of claims 1 to 9.