CN217301864U - Damping movable valve core and silencing pressure regulating valve using same - Google Patents
Damping movable valve core and silencing pressure regulating valve using same Download PDFInfo
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- CN217301864U CN217301864U CN202221259281.9U CN202221259281U CN217301864U CN 217301864 U CN217301864 U CN 217301864U CN 202221259281 U CN202221259281 U CN 202221259281U CN 217301864 U CN217301864 U CN 217301864U
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Abstract
The utility model belongs to the technical field of pressure regulating valves, in particular to a damping movable valve core, which comprises a valve core body, wherein the valve core body is movably arranged in the pressure regulating valve and is used for movably plugging an air passage of the pressure regulating valve and regulating the pressure of high-pressure air flow passing through the front and the back of the pressure regulating valve; the first damping piece is arranged on the valve core body and close to the air outlet end of the pressure regulating valve and is used for buffering the whole valve core so as to eliminate vibration and abnormal sound caused by the impact of high-pressure air flow on the valve core on other components of the pressure regulating valve; and the second damping piece is arranged on the valve core body, close to the air inlet end of the pressure regulating valve, and is used for sealing the air passage of the pressure regulating valve. The utility model provides a damping movable valve core has good damping shock attenuation effect, can effectually reduce the whole vibration frequency who receives high-pressure draught to strike the production of case, avoids the case whole to strike and take place rigidity mechanical collision because of high-pressure draught with other parts of air-vent valve, causes the abnormal sound. Moreover, the utility model also provides an use the amortization air-vent valve of this damping movable valve core.
Description
Technical Field
The utility model belongs to the technical field of the air-vent valve, concretely relates to amortization air-vent valve of damping movable valve core and applied this case.
Background
At present, the air flue conveying system is generally provided with a pressure regulating valve which is specially used for regulating the pressure inside the main air flue, so that the influence of the overlarge pressure on the service life of the air flue conveying system in the main air flue is avoided.
The pressure regulating valve is connected with the main air passage, and generally comprises a pinch plate, a silencing sheet, a guide rod, a sealing gasket and a spring, the pressure of the main air passage is set by the spring, when the pressure of air flow in the main air passage is greater than the set pressure value of the spring, the air flow pushes the sealing gasket open, and the air flow flows through the guide rod and the spring and is discharged from the silencing sheet, so that the purpose of regulating the pressure is achieved.
When high-pressure gas flows through the guide rod and the spring, the spring is generally fluctuated by turbulent airflow and collides with the guide rod, so that vibration noise is generated, and the comfort of the pressure regulating valve in the using process is influenced; when the high-pressure gas jacks up the sealing gasket, the guide rod of the rigid structure is driven by airflow to collide with the inside of the pressure regulating valve and the spring, so that the abnormal sound generated by mechanical collision is further increased.
SUMMERY OF THE UTILITY MODEL
In order to solve the not enough of prior art, the utility model provides a damping movable valve core has good damping shock attenuation effect, can effectually reduce the whole vibration frequency who receives high-pressure draught to strike and produce of case, avoids the whole case to strike and take place rigidity mechanical collision because of high-pressure draught with other parts of air-vent valve, causes the abnormal sound. The utility model also provides an use the amortization air-vent valve of this damping movable valve core, not only can effectual reduction improve the stability in the air-vent valve working process because of the high-pressure draught strikes the vibration frequency who produces, have good amortization noise reduction effect moreover, can effectual improvement air-vent valve the travelling comfort in the use.
The utility model discloses the technological effect that will reach realizes through following technical scheme:
the damping movable valve core comprises a valve core body which is movably arranged in the pressure regulating valve and is used for movably plugging the air passage of the pressure regulating valve and regulating the pressure of high-pressure air flow passing through the front and the back of the pressure regulating valve; the first damping part is arranged on the valve core body and close to the air outlet end of the pressure regulating valve and is used for buffering the whole valve core so as to eliminate vibration and abnormal sound caused by the impact of high-pressure air flow on the valve core on other parts of the pressure regulating valve; and the second damping piece is arranged on the valve core body, close to the air inlet end of the pressure regulating valve, and is used for sealing the air passage of the pressure regulating valve.
The damping movable valve core in the utility model is provided with the damping parts at the two ends of the valve core body, so that the valve core integrally forms a damping shock absorption device, and can effectively replace the use of a guide rod in a pressure regulating valve in the prior art; when the high-pressure airflow backs up the second damping piece of locating on the adjacent air inlet end of the pressure regulating valve of case body, the case is whole to move toward the air outlet end one side of the pressure regulating valve under the effect of airflow pressure, at this moment, the first damping piece of locating on the adjacent air outlet end of the case body can effectually cushion the impact of the case body on the air outlet end of the pressure regulating valve, thereby reduce the whole vibration frequency that produces because of the high-pressure airflow impact of case, avoid the whole noise that takes place because of the rigid mechanical collision with other parts of pressure regulating valve of case, thereby the noise in the pressure regulating valve is applied to effectual reduction case. Moreover, when the pressure of the high-pressure airflow is not enough to jack the second damping part arranged on the valve core body, which is close to the air inlet end of the pressure regulating valve, the second damping part can effectively seal the air passage of the pressure regulating valve, so that the high-pressure airflow is prevented from directly discharging from the air outlet end of the pressure regulating valve after entering from the air inlet end of the pressure regulating valve, and the effect of discharging after the high-pressure airflow is reduced in pressure cannot be achieved.
As a preferable scheme, the valve core body includes a valve core main body, a buffer connecting portion provided at one end of the valve core main body and used for mounting the first damping member, and a sealing connecting portion provided at the other end of the valve core main body and used for mounting the second damping member. Preferably, the valve core body is a metal valve core body or an alloy valve core body, and has good structural strength and deformation resistance.
As a preferable scheme, the buffer connecting part comprises a columnar buffer part body which is coaxial with the valve core main body, and a damping piece mounting groove hole which is arranged on the axial lead of the columnar buffer part body; and the sectional area of the columnar buffer part body is smaller than that of the valve core main body. When the valve core is applied to the pressure regulating valve, the columnar buffer part body and the valve core main body form a step structure, and the valve core main body with a larger sectional area can limit the pressure regulating spring, so that the pressure regulating spring is sleeved outside the buffer connecting part, and two ends of the pressure regulating spring are abutted between the air outlet end of the pressure regulating valve and the valve core main body; at the moment, the elastic force of the pressure regulating spring on the valve core body and the pressure of the high-pressure air flow on the valve core body interact with each other to movably block the air passage of the pressure regulating valve.
As a preferred scheme, the sealing connection part comprises a cylindrical sealing installation structure coaxially arranged with the valve core main body and a cylindrical sealing limiting structure coaxially arranged with the cylindrical sealing installation structure; and the diameter of the columnar sealing installation structure is smaller than that of the columnar sealing limiting structure. When the second damping piece is installed on the sealing connection portion, the cylindrical sealing limiting structure with the larger diameter can limit the second damping piece, so that the second damping piece is prevented from falling off from the sealing connection portion, and the stability of the whole structure of the valve core is effectively improved.
As a preferable scheme, the first damping member is of a stepped shaft structure, and includes a damping connection portion embedded in the valve core body, and a damping buffer portion coaxially disposed with the damping connection portion and having a diameter larger than that of the damping connection portion. When the first damping piece is arranged on the valve core body, the damping connecting part is embedded into the valve core body, so that the connection stability of the two parts can be effectively improved, and the first damping piece is prevented from easily falling off from the valve core body; and when the damping connecting part is embedded into the valve core body, the damping buffering part with the diameter larger than that of the damping connecting part can be clamped on the end face of the valve core body, so that the first damping part is prevented from having an effective buffering and damping effect due to the fact that the first damping part is completely embedded into the valve core body.
As one preferable scheme, the damping buffer part is a columnar damping buffer structure or a stepped shaft damping buffer structure matched with the section of the valve core body; the acting force of the valve core body on the first damping part can be effectively balanced, and the first damping part is prevented from generating large impact with the interior of the pressure regulating valve due to uneven stress.
As one preferable scheme, the first damping part is a damping composite part, a metal damping part or a piezoelectric damping part, has good mechanical strength and damping characteristics, is applied to the valve core, and can effectively improve the damping performance and the noise reduction effect of the valve core.
As a preferred scheme, the second damping part is an elastic rubber damping sleeve or an elastic silica gel damping sleeve wrapped on the valve core body; the valve core has good elastic deformation capacity, is beneficial to the installation of the second damping part, improves the overall assembly efficiency of the valve core, has good damping and shock-absorbing performance, and can effectively buffer the impact force of high-pressure airflow on the second damping part.
The utility model relates to a silencing pressure regulating valve, which comprises a pressure regulating valve body used for installing and connecting the rest parts of the pressure regulating valve; the silencing unit is arranged on the air outlet end of the pressure regulating valve body and is used for carrying out silencing and noise reduction treatment on the exhausted gas; the damping movable valve core is arranged in the pressure regulating valve body and is used for movably plugging the air passage of the pressure regulating valve; and the pressure regulating spring is arranged between the silencing unit and the damping movable valve core and used for realizing the movable plugging of the damping movable valve core on the pressure regulating valve air passage. The utility model provides a amortization air-vent valve, use foretell damping movable valve core and air-vent valve body, pressure regulating spring and amortization unit to assemble and form, not only can effectually reduce the high-pressure draught to the whole produced vibration frequency of case, avoid the whole case to take place the abnormal sound because of the rigid mechanical collision with other parts of air-vent valve, and the whole case that reduces vibration frequency has certain dimension steady effect to the pressure regulating spring, can effectually avoid the pressure regulating spring to take place the rigid mechanical collision because of the impact of high-pressure draught with other parts of air-vent valve, produce the abnormal sound; in addition, the silencing unit can carry out silencing and noise reduction treatment on the discharged gas, and further effectively improves the silencing and noise reduction performance of the pressure regulating valve.
Preferably, the silencing unit includes a silencing connector connected to the pressure regulating valve body, a silencing element provided on the silencing connector for silencing and reducing noise of the discharged gas, and a sealing ring provided between the silencing connector and the pressure regulating valve body for preventing the gas flow from flowing out of a region other than the silencing element. Preferably, the silencing piece is a silencer, a foam silencing block, a fiber silencing block or a polymer fiber silencing block, and the silencing piece is made of materials with good silencing effect, can effectively silence gas exhausted by the pressure regulating valve, and improves the silencing and noise reduction performance of the pressure regulating valve.
To sum up, the utility model discloses at least, following useful part has:
1. the utility model provides a damping movable valve core has good damping shock attenuation effect, and the whole vibration frequency who receives high-pressure draught to strike and produce of effectual reduction case avoids the case whole to strike and take place rigidity mechanical collision because of high-pressure draught with other parts of air-vent valve, causes the abnormal sound.
2. The utility model provides an amortization air-vent valve uses the utility model provides a damping movable valve element assembles and forms, not only can effectual reduction because of the high-pressure draught strikes the vibration frequency who produces, improves the stability in the air-vent valve working process, has good amortization noise reduction effect moreover, can effectual improvement air-vent valve the travelling comfort in the use.
Drawings
FIG. 1 is a schematic view of the overall structure of a damping movable valve core in an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a valve core body in an embodiment of the present invention;
FIG. 3 is a schematic sectional view of the damping valve core according to the embodiment of the present invention;
fig. 4 is a schematic view of the whole structure of the noise reduction and pressure regulation valve according to the embodiment of the present invention.
Detailed Description
In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention will be combined below to clearly and completely describe the technical solutions in the embodiments of the present invention. The described embodiments are some, but not all embodiments of the invention.
Thus, the following detailed description of the embodiments of the present invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1:
referring to fig. 1, the damping movable valve element 10 of the present embodiment includes a valve element body 100 movably disposed in the pressure regulating valve, a first damping member 200 disposed on the valve element body 100 adjacent to the outlet end of the pressure regulating valve, and a second damping member 300 disposed on the valve element body 100 adjacent to the inlet end of the pressure regulating valve; the valve core body 100 is used for movably plugging an air passage of the pressure regulating valve and regulating the pressure of high-pressure air flow before and after passing through the pressure regulating valve; the first damping member 200 is used for damping the whole buffer of the movable valve core 10 so as to eliminate the vibration and abnormal sound brought to other parts of the pressure regulating valve due to the impact of high-pressure air flow on the valve core; the second damper 300 is used to seal the pressure regulating valve air passage.
In the damping movable valve core 10 of the embodiment, the damping parts are respectively arranged at the two ends of the valve core body 100, so that the valve core integrally forms a damping shock absorption device, and the use of a guide rod in a pressure regulating valve in the prior art can be effectively replaced; when the high-pressure airflow pushes open the second damping part 300 arranged on the valve core body 100 adjacent to the air inlet end of the pressure regulating valve, the valve core integrally moves towards the air outlet end side of the pressure regulating valve under the action of the airflow pressure, at the moment, the first damping part 200 arranged on the valve core body 100 adjacent to the air outlet end of the pressure regulating valve can effectively buffer the impact of the valve core body 100 on the air outlet end of the pressure regulating valve, so that the vibration frequency generated by the impact of the high-pressure airflow on the valve core integrally is reduced, the abnormal sound caused by the rigid mechanical collision between the valve core integrally and other parts of the pressure regulating valve is avoided, and the noise generated by the valve core in the pressure regulating valve is effectively reduced. Moreover, when the pressure of the high-pressure air flow is not enough to push open the second damping member 300 arranged on the valve core body 100 adjacent to the air inlet end of the pressure regulating valve, the second damping member 300 can effectively seal the air passage of the pressure regulating valve, so that the high-pressure air flow is prevented from directly discharging from the air outlet end of the pressure regulating valve after entering from the air inlet end of the pressure regulating valve, and the effect of discharging after the high-pressure air flow is depressurized cannot be achieved.
Example 2:
referring to fig. 1, a damping movable valve element 10 of the present embodiment is similar to that of embodiment 1, and includes a valve element body 100 movably disposed in a pressure regulating valve, a first damping member 200 disposed on an air outlet end of the valve element body 100 adjacent to the pressure regulating valve, and a second damping member 300 disposed on an air inlet end of the valve element body 100 adjacent to the pressure regulating valve; the main differences lie in that:
referring to fig. 2, the valve body 100 includes a valve body 110, a buffer connecting portion 120 disposed at one end of the valve body 110 for mounting the first damping member 200, and a sealing connecting portion 130 disposed at the other end of the valve body 110 for mounting the second damping member 300. Preferably, the valve core body 110 is a metal valve core body or an alloy valve core body, and has good structural strength and deformation resistance.
Further, the damping connection portion 120 includes a columnar damping portion body 121 disposed coaxially with the valve body 110, and a damping member mounting groove hole 122 opened on an axial line of the columnar damping portion body 121, and a sectional area of the columnar damping portion body 121 is smaller than a sectional area of the valve body 110. When the damping movable valve core 10 is applied to a pressure regulating valve, the columnar buffer part body 121 and the valve core main body 110 form a step structure, and the valve core main body 110 with a larger cross section area can limit the pressure regulating spring, so that the pressure regulating spring is sleeved outside the buffer connecting part 120, and two ends of the pressure regulating spring are abutted between the air outlet end of the pressure regulating valve and the valve core main body 110; at this time, the elastic force of the pressure regulating spring on the valve core body 100 interacts with the pressure of the high-pressure air flow on the valve core body 100 to movably block the air passage of the pressure regulating valve.
Further, the sealing connection portion 130 includes a cylindrical sealing installation structure 131 coaxially disposed with the valve core main body 110, and a cylindrical sealing limit structure 132 coaxially disposed with the cylindrical sealing installation structure 131; and the diameter of the cylindrical seal mounting structure 131 is smaller than the diameter of the cylindrical seal limiting structure 132. When the second damping member 300 is installed on the sealing connection portion 130, the cylindrical sealing and limiting structure 132 with a large diameter can limit the second damping member 300, so as to prevent the second damping member 300 from falling off from the sealing connection portion 130, thereby effectively improving the stability of the overall structure of the valve core.
Example 3:
referring to fig. 1, a damping movable valve element 10 of the present embodiment is the same as that of embodiment 1 or 2, and includes a valve element body 100 movably disposed in a pressure regulating valve, a first damping member 200 disposed on an air outlet end of the valve element body 100 adjacent to the pressure regulating valve, and a second damping member 300 disposed on an air inlet end of the valve element body 100 adjacent to the pressure regulating valve; the main differences are as follows:
the first damping member 200 is a stepped shaft structure, and referring to fig. 3, the first damping member 200 includes a damping connection portion 210 embedded in the valve core body 100, and a damping buffer portion 220 coaxially disposed with the damping connection portion 210 and having a diameter larger than that of the damping connection portion 210. When the first damping member 200 is disposed on the valve core body 100, the damping connection portion 210 is embedded into the valve core body 100, which can effectively improve the connection stability of the two components and prevent the first damping member 200 from easily falling off from the valve core body 100; when the damping connection portion 210 is inserted into the valve body 100, the damping buffering portion 220 having a diameter larger than that of the damping connection portion 210 is clamped on the end surface of the valve body 100, so as to prevent the first damping member 200 from having an ineffective damping effect due to being completely inserted into the valve body 100. Preferably, the damping buffer portion 220 is a cylindrical damping buffer structure or a stepped shaft damping buffer structure adapted to the cross section of the valve core body 100, so as to effectively balance the acting force applied by the valve core body 100 on the first damping member 200 and prevent the first damping member 200 from generating a large impact with the inside of the pressure regulating valve due to uneven stress.
Further preferably, the first damping member 200 is a damping composite member, a metal damping member or a piezoelectric damping member, and has good mechanical strength and damping characteristics, and when being applied to the valve core, the damping performance and the noise reduction effect of the valve core can be effectively improved. The second damping piece 300 is an elastic rubber damping sleeve or an elastic silica gel damping sleeve wrapped on the valve core body 100, and has good elastic deformation capacity, is beneficial to installation of the second damping piece 300 and improvement of the overall assembly efficiency of the valve core, and has good damping performance, and the impact force of high-pressure airflow on the second damping piece 300 can be effectively buffered.
Example 4:
referring to fig. 4, the pressure-regulating valve of the present embodiment includes a pressure-regulating valve body 20, a silencing unit 30 disposed on an air outlet end of the pressure-regulating valve body 20, a damping movable valve element 10 disposed in the pressure-regulating valve body 20 as described in any one of embodiments 1 to 3, and a pressure-regulating spring 40 disposed between the silencing unit 30 and the damping movable valve element 10; the pressure regulating valve body 20 is used for installing and connecting other parts of the pressure regulating valve, the silencing unit 30 is used for silencing exhausted gas and reducing noise, the damping movable valve core 10 is used for movably plugging the pressure regulating valve air passage, and the pressure regulating spring 40 is used for movably plugging the pressure regulating valve air passage by the damping movable valve core 10.
The silencing pressure regulating valve in the embodiment is formed by assembling the damping movable valve core 10, the pressure regulating valve body 20, the pressure regulating spring 40 and the silencing unit 30 in any one of the embodiments 1 to 3, so that the vibration frequency of high-pressure air flow on the whole valve core can be effectively reduced, abnormal sound caused by rigid mechanical collision between the whole valve core and other components of the pressure regulating valve can be avoided, the whole valve core with the reduced vibration frequency has a certain maintenance effect on the pressure regulating spring 40, and the pressure regulating spring 40 can be effectively prevented from rigid mechanical collision with other components of the pressure regulating valve due to impact of the high-pressure air flow, and abnormal sound can be generated; in addition, the silencing unit 30 can perform silencing and noise reduction treatment on the discharged gas, thereby further effectively improving the silencing and noise reduction performance of the pressure regulating valve.
Further, the silencing unit 30 includes a silencing connector 31 connected to the pressure regulating valve body 20, a silencing member 32 provided on the silencing connector 31 for silencing and reducing noise of the discharged gas, and a packing 33 provided between the silencing connector 31 and the pressure regulating valve body 20 for preventing the gas flow from flowing out of a region other than the silencing member 32. Preferably, the silencing piece 32 is a silencer, a foam silencing block, a fiber silencing block or a polymer fiber silencing block, which are made of materials with good silencing effect, and can effectively silence the gas discharged by the pressure regulating valve, and improve the silencing and noise reducing performance of the pressure regulating valve.
According to the technical scheme of above-mentioned embodiment, the utility model provides a damping movable valve core has good damping shock attenuation effect, can effectually reduce the whole vibration frequency that produces that receives the high-pressure draught impact of case, avoids the whole rigidity mechanical collision that takes place with other parts of air-vent valve because of the high-pressure draught impact of case, causes the abnormal sound. The utility model also provides an use the amortization air-vent valve of this damping movable valve core, not only can effectual reduction improve the stability in the air-vent valve working process because of the high pressure draught strikes the vibration frequency who produces, have good amortization noise reduction effect moreover, can effectual improvement air-vent valve the travelling comfort in the use.
In the description of the present invention, it is to be understood that the terms indicating orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the equipment or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
In the present disclosure, unless otherwise expressly stated or limited, the first feature may comprise both the first and second features directly contacting each other, and also may comprise the first and second features not being directly contacting each other but being in contact with each other by means of further features between them. Also, the first feature being above, on or above the second feature includes the first feature being directly above and obliquely above the second feature, or merely means that the first feature is at a higher level than the second feature. A first feature that underlies, and underlies a second feature includes a first feature that is directly under and obliquely under a second feature, or simply means that the first feature is at a lesser level than the second feature.
While the invention has been described in conjunction with the specific embodiments set forth above, it is evident that many alternatives, modifications, and variations will be apparent to those skilled in the art in light of the foregoing description. Accordingly, it is intended to embrace all such alternatives, modifications, and variations that fall within the spirit and broad scope of the appended claims.
Claims (10)
1. A damped movable valve cartridge, comprising:
the valve core body is movably arranged in the pressure regulating valve and used for movably plugging an air passage of the pressure regulating valve and regulating the pressure of high-pressure air flow before and after the high-pressure air flow passes through the pressure regulating valve;
the first damping part is arranged on the valve core body and close to the air outlet end of the pressure regulating valve and is used for buffering the whole valve core so as to eliminate vibration and abnormal sound caused by the impact of high-pressure air flow on the valve core on other parts of the pressure regulating valve;
and the second damping piece is arranged on the valve core body, close to the air inlet end of the pressure regulating valve, and is used for sealing the air passage of the pressure regulating valve.
2. The dampened movable valve cartridge of claim 1, wherein the valve cartridge body includes a valve cartridge body, a cushion connection portion disposed on one end of the valve cartridge body for receiving the first damping member, and a seal connection portion disposed on the other end of the valve cartridge body for receiving the second damping member.
3. The damped movable valve element according to claim 2, wherein the cushion connecting portion includes a columnar cushion body disposed coaxially with the valve element main body, and a damping member mounting groove hole opened on an axial line of the columnar cushion body;
and the sectional area of the columnar buffer part body is smaller than that of the valve core main body.
4. The dampened movable valve cartridge of claim 2, wherein said seal connection portion includes a cylindrical seal mounting structure disposed coaxially with said valve cartridge body and a cylindrical seal retaining structure disposed coaxially with said cylindrical seal mounting structure;
and the diameter of the columnar sealing installation structure is smaller than that of the columnar sealing limiting structure.
5. The damped moving valve cartridge of claim 1, wherein the first damping member is a stepped shaft structure comprising a damping connection portion embedded in the valve cartridge body, and a damping buffer portion disposed coaxially with the damping connection portion and having a diameter larger than that of the damping connection portion.
6. The damped movable valve core according to claim 5, wherein the damping buffering part is a columnar damping buffering structure or a stepped shaft damping buffering structure matched with the section of the valve core body.
7. The damped valve spool according to claim 1, wherein the first damping member is a damping composite, a metal damping member, or a piezoelectric damping member.
8. The damped movable valve spool according to claim 1, wherein the second damping member is an elastic rubber damping sleeve or an elastic silica gel damping sleeve wrapped around the spool body.
9. A muffling and pressure-regulating valve, comprising:
the pressure regulating valve body is used for mounting and connecting the rest components of the pressure regulating valve;
the silencing unit is arranged on the air outlet end of the pressure regulating valve body and is used for carrying out silencing and noise reduction treatment on the exhausted gas;
the damping movable valve core according to any one of claims 1 to 8, which is arranged in the pressure regulating valve body and is used for movably plugging an air passage of the pressure regulating valve;
and the pressure regulating spring is arranged between the silencing unit and the damping movable valve core and used for realizing the movable plugging of the damping movable valve core on the pressure regulating valve air passage.
10. The pressure regulating valve according to claim 9, wherein said silencing unit includes a silencing connector attached to said pressure regulating valve body, a silencing element disposed on said silencing connector for silencing and reducing the noise of the exhaust gas, and a sealing ring disposed between said silencing connector and said pressure regulating valve body for preventing the flow of gas from the area other than said silencing element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221259281.9U CN217301864U (en) | 2022-05-23 | 2022-05-23 | Damping movable valve core and silencing pressure regulating valve using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221259281.9U CN217301864U (en) | 2022-05-23 | 2022-05-23 | Damping movable valve core and silencing pressure regulating valve using same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217301864U true CN217301864U (en) | 2022-08-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221259281.9U Active CN217301864U (en) | 2022-05-23 | 2022-05-23 | Damping movable valve core and silencing pressure regulating valve using same |
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| Country | Link |
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| CN (1) | CN217301864U (en) |
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- 2022-05-23 CN CN202221259281.9U patent/CN217301864U/en active Active
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