CN117006256A - Novel pressure reducing valve - Google Patents

Novel pressure reducing valve Download PDF

Info

Publication number
CN117006256A
CN117006256A CN202311223477.1A CN202311223477A CN117006256A CN 117006256 A CN117006256 A CN 117006256A CN 202311223477 A CN202311223477 A CN 202311223477A CN 117006256 A CN117006256 A CN 117006256A
Authority
CN
China
Prior art keywords
valve body
wall
pressure reducing
threaded rod
worm
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN202311223477.1A
Other languages
Chinese (zh)
Other versions
CN117006256B (en
Inventor
王力
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xi'an Lanjing Fluid Control Technology Co ltd
Original Assignee
Xi'an Lanjing Fluid Control Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Xi'an Lanjing Fluid Control Technology Co ltd filed Critical Xi'an Lanjing Fluid Control Technology Co ltd
Priority to CN202311223477.1A priority Critical patent/CN117006256B/en
Publication of CN117006256A publication Critical patent/CN117006256A/en
Application granted granted Critical
Publication of CN117006256B publication Critical patent/CN117006256B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/16Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
    • F16K1/18Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
    • F16K1/22Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/32Details
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/32Details
    • F16K1/34Cutting-off parts, e.g. valve members, seats
    • F16K1/36Valve members
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K27/00Construction of housing; Use of materials therefor
    • F16K27/02Construction of housing; Use of materials therefor of lift valves
    • F16K27/0209Check valves or pivoted valves
    • F16K27/0218Butterfly valves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00Actuating devices; Operating means; Releasing devices
    • F16K31/44Mechanical actuating means
    • F16K31/53Mechanical actuating means with toothed gearing
    • F16K31/535Mechanical actuating means with toothed gearing for rotating valves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K47/00Means in valves for absorbing fluid energy
    • F16K47/02Means in valves for absorbing fluid energy for preventing water-hammer or noise
    • F16K47/023Means in valves for absorbing fluid energy for preventing water-hammer or noise for preventing water-hammer, e.g. damping of the valve movement

Abstract

The invention relates to the technical field of pressure reducing valves, in particular to a novel pressure reducing valve, which comprises an upper valve body and a lower valve body, wherein the upper valve body is fixedly arranged at the top of the lower valve body, a first connecting valve body and a second connecting valve body are respectively arranged at two sides of the lower valve body.

Description

Novel pressure reducing valve
Technical Field
The invention relates to the technical field of pressure reducing valves, in particular to a novel pressure reducing valve.
Background
The pressure reducing valve is a valve which reduces the inlet pressure to a certain required outlet pressure by adjusting and automatically keeps the outlet pressure stable by depending on the energy of the medium. From the viewpoint of fluid mechanics, the pressure reducing valve is a throttling element with variable local resistance, namely, by changing the throttling area, the flow speed and the kinetic energy of fluid are changed, and different pressure losses are caused, so that the aim of reducing pressure is achieved. And then, by means of the adjustment of the control and adjustment system, the fluctuation of the valve back pressure is balanced with the spring force, so that the valve back pressure is kept constant within a certain error range.
The function of the pressure relief valve is to control the pressure of the fluid in the conduit, avoiding damage and risk due to high pressure. The device can effectively control the fluid pressure, improve the normal operation of equipment and reduce the energy consumption. The pressure reducing valve enables the pressure behind the valve to be kept constant within a certain error range by adjusting the pressure difference between the front and the rear of the valve, so that the pressure of the fluid in the pipeline is ensured to be within a safe range. In addition, the pressure reducing valve can be safely produced, and safety accidents caused by too high pressure are avoided.
The application number 202223240087.9 discloses a novel relief valve, and the problem that proposes in its background art is: the high-pressure reducing valve in the prior art has the functions of reducing pressure and constant pressure, but is generally large in volume and heavy in weight, and is inconvenient to install in residential water equipment, but has the following problems:
the buffer blocks in the two liquid pipes are driven to move by impacting the pressure plates through liquid in the liquid pipes, the effect of reducing the moving distance of the buffer blocks is achieved through the joint cooperation of parts such as friction pads, springs and buffer cushions, the kinetic energy of water can be transferred into other energy in the process of reducing the moving distance of the buffer blocks, the flow rate of the water can be reduced based on the law of conservation of energy, the purpose of reducing and stabilizing the water pressure is achieved, but the buffer space of the liquid cannot be adjusted, so that the pressure reducing effect is inconvenient to adjust according to the actual pressure reducing condition, a certain defect exists, and the novel pressure reducing valve is provided for solving the problem.
Disclosure of Invention
The invention aims to provide a novel pressure reducing valve, which aims to overcome the defects of the prior art, and the buffer space of a spiral blade is adjusted under the cooperation of a second pressure reducing component, so that the pressure reducing effect of the spiral blade on water flow is adjusted, and the angle of a baffle plate can be adjusted by rotating a rotating rod, namely the area of the baffle plate for blocking the water flow is adjusted, and the pressure reducing effect of the water flow is further adjusted.
The novel pressure reducing valve comprises an upper valve body and a lower valve body, wherein the upper valve body is fixedly arranged at the top of the lower valve body, a first connecting valve body and a second connecting valve body are respectively arranged at two sides of the lower valve body, first pressure reducing components are arranged on the inner wall of the first connecting valve body and the inner wall of the second connecting valve body, mounting sleeves are arranged on the inner sides of the first pressure reducing components, second pressure reducing components are arranged on the inner walls of the mounting sleeves, third pressure reducing components extending into the lower valve body are arranged at the top of the upper valve body, and a water inlet pipe and a water outlet pipe are respectively arranged at one sides, far away from each other, of the first connecting valve body and the second connecting valve body.
Further, first decompression subassembly includes threaded rod, nut, spring and spout, the spout is annular array and sets up the inner wall at first connection valve body, the slider has all been placed to the inner wall of spout, one side that the spout was kept away from to the slider all with the outer wall fixed connection of installation sleeve (10), the threaded rod is annular array and sets up respectively in the spout, and the both ends of threaded rod respectively with the both sides inner wall fixed connection of spout, the lateral wall of threaded rod overlaps respectively and establishes in the slider, the spring is annular array and overlaps respectively and establish the lateral wall at the threaded rod, the nut is annular array and sets up the lateral wall at the threaded rod, and the inner wall of nut respectively with the lateral wall threaded connection of threaded rod.
Further, the spring is located one side that nut and slider are close to each other, and the through-hole of threaded rod is established to the cover has all been seted up to the lateral wall of slider, the inner wall diameter of spout is greater than the outer wall diameter of nut and spring.
Further, the second decompression assembly includes collar and helical blade, and collar and helical blade all are equipped with two, and two collars are the level and arrange, and the outer wall of two collars all with installation telescopic inner wall fixed connection, two helical blade rotate with the inner wall of two collars respectively and be connected.
Further, the third relief pressure subassembly includes casing, bull stick, bearing, first bevel gear, second bevel gear, worm wheel, pivot, lantern ring and baffle, and the lateral wall upper end of bull stick rotates with the top of last valve body and is connected, and the lateral wall lower extreme of bull stick is connected with the lateral wall transmission of worm, and the lateral wall of worm is connected with the lateral wall upper end transmission of pivot, and in the bottom of pivot extended to the lower valve body, the top and the bottom of lantern ring are all fixed the cover and are established the one end lateral wall that the pivot is located the lower valve body, the inner wall that the lantern ring was fixed to the baffle.
Further, the fixed cover of inner wall of first bevel gear is established in the lateral wall lower extreme of bull stick, the fixed cover of inner wall of second bevel gear is established in the lateral wall of worm, and the outer wall tooth of first bevel gear meshes with the outer wall tooth of the bevel gear, the fixed cover of inner wall of worm wheel is established in the lateral wall upper end of pivot, the lateral wall of worm and the outer wall meshing of worm wheel.
Further, the inner ring inner wall of bearing and the lateral wall fixed connection of bull stick, the outer lane outer wall of bearing and the inside wall fixed connection of last valve body, the lateral wall both ends of worm are connected with the inside wall rotation of last valve body respectively, the lateral wall of pivot is connected with the inner wall upper end rotation of last valve body, and the bottom of pivot is connected with the bottom inner wall rotation of lower valve body.
Further, the top of last valve body is established to the casing cover, the bull stick is located the one end at the top of last valve body and is located the casing.
Further, the top of the lantern ring and the top of the baffle are both provided with mounting holes for fixedly sleeving the rotating shaft, the side wall of the baffle is provided with guide holes distributed in an annular array, and the diameter of the outer wall of the lantern ring is smaller than that of the inner wall of the lower valve body.
Further, the inlet pipe and the first connecting valve body, the first connecting valve body and the lower valve body, the drain pipe and the second connecting valve body and the lower valve body are all fixedly connected through flanges, and the first connecting valve body and the second connecting valve body are all in tubular design.
Compared with the prior art, the invention has the following beneficial effects;
according to the invention, the kinetic energy of water flow is converted into other energy through the spiral blade of the first pressure reducing component, so that the pressure of the water flow is reduced, the water flow is reduced again through the baffle plate of the third pressure reducing component, the pressure reducing effect is improved, the buffer space of the spiral blade is adjusted under the cooperation of the second pressure reducing component, so that the pressure reducing effect of the spiral blade on the water flow is adjusted, the angle of the baffle plate can be adjusted through rotating the rotating rod, namely the area of the baffle plate for blocking the water flow is adjusted, the pressure reducing effect of the water flow is further adjusted, the water flow entering and exiting the lower valve body is reduced through the first pressure reducing component and the second pressure reducing component in the first connecting valve body and the second connecting valve body, and the pressure reducing effect is ensured.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a novel pressure reducing valve provided by the invention;
FIG. 2 is a schematic cross-sectional view of a first connecting valve body of the novel pressure reducing valve;
FIG. 3 is a schematic view of a first pressure reducing assembly of the novel pressure reducing valve provided by the invention;
FIG. 4 is an enlarged schematic view of the structure of the novel pressure reducing valve A in FIG. 3;
FIG. 5 is a schematic view of the first and second pressure relief assemblies of the novel pressure relief valve provided by the present invention;
FIG. 6 is a schematic view of a third pressure relief assembly of the novel pressure relief valve provided by the present invention;
fig. 7 is an enlarged schematic view of structure B in fig. 6 of the novel pressure reducing valve according to the present invention.
Reference numerals referred to in the above figures: 1. an upper valve body; 2. a third pressure relief assembly; 201. a housing; 202. a rotating rod; 203. a collar; 204. a baffle; 205. a rotating shaft; 206. a worm wheel; 207. a worm; 208. a bearing; 209. a first bevel gear; 2010. a second bevel gear; 3. a drain pipe; 4. a second connecting valve body; 5. a lower valve body; 6. a first connecting valve body; 7. a water inlet pipe; 8. a second pressure relief assembly; 801. a helical blade; 802. a mounting ring; 9. a first pressure relief assembly; 901. a threaded rod; 902. a chute; 903. a spring; 904. a nut; 10. and (5) installing a sleeve.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
The implementation of the present invention will be described in detail below with reference to specific embodiments.
Example 1
Please read fig. 1, fig. 2 and fig. 5, a novel pressure reducing valve, including last valve body 1 and lower valve body 5, go up valve body 1 and fixedly establish at the top of lower valve body 5, the both sides of lower valve body 5 are provided with first connection valve body 6 and second connection valve body 4 respectively, the inner wall of first connection valve body 6 and the inner wall of second connection valve body 4 all are provided with first decompression subassembly 9, the inboard of first decompression subassembly 9 all is provided with installation sleeve 10, the inner wall of installation sleeve 10 all is provided with second decompression subassembly 8, the top of going up valve body 1 all is provided with the third decompression subassembly 2 that extends to under in the valve body 5, one side that first connection valve body 6 and second connection valve body 4 keep away from each other is provided with inlet tube 7 and outlet pipe respectively.
The first decompression assembly 9 comprises a threaded rod 901, a nut 904, a spring 903 and a sliding groove 902, wherein the sliding groove 902 is formed in an annular array, the sliding groove 902 is formed in the inner wall of the first connection valve body 6, sliding blocks are placed on the inner wall of the sliding groove 902, one side of the sliding block, which is far away from the sliding groove 902, is fixedly connected with the outer wall of the installation sleeve 10, the threaded rod 901 is respectively arranged in the sliding groove 902 in an annular array mode, two ends of the threaded rod 901 are respectively fixedly connected with the inner walls of two sides of the sliding groove 902, the side walls of the threaded rod 901 are respectively sleeved in the sliding block, the spring 903 is respectively sleeved on the side walls of the threaded rod 901 in an annular array mode, the nut 904 is arranged on the side walls of the threaded rod 901 in an annular array mode, and the inner walls of the nut 904 are respectively in threaded connection with the side walls of the threaded rod 901.
In the concrete implementation, after water enters the first connecting valve body 6, the spiral blade 801 is driven to rotate under the action of water flow, so that the decompression effect is blocked at the beginning of the water, the spiral blade 801 is designed in a running water type, more water flow is prevented from being blocked at one time, the kinetic energy of the water flow is converted into other energy through the spiral blade 801, so that the decompression effect is achieved, the installation sleeve 10 is limited through the sliding groove 902 and the sliding block, and the installation ring 802 and the spiral blade 801 are limited.
The spring 903 is located the one side that nut 904 and slider are close to each other, is convenient for cushion helical blade 801, and the through-hole of threaded rod 901 is established to the cover has all been seted up to the lateral wall of slider, and the installation of being convenient for uses, and the inner wall diameter of spout 902 is greater than the outer wall diameter of nut 904 and spring 903, guarantees nut 904 normal rotation, and guarantees that spring 903 leaves certain compression space.
Example two
Referring to fig. 3, 4 and 5, the second pressure reducing assembly 8 includes a mounting ring 802 and a helical blade 801, the mounting ring 802 and the helical blade 801 are both provided with two, the two mounting rings 802 are horizontally arranged, the outer walls of the two mounting rings 802 are fixedly connected with the inner wall of the mounting sleeve 10, and the two helical blades 801 are respectively rotatably connected with the inner walls of the two mounting rings 802.
In a specific implementation, the nut 904 is rotated, so that the nut 904 moves along the threaded rod 901 while the side wall of the threaded rod rotates, and the nut 904 presses the spring 903 sleeved on the side wall of the threaded rod 901, so as to adjust the compression degree of the spring 903, that is, the buffering effect of the spring 903 on the sliding block, the mounting sleeve 10, the mounting ring 802 and the spiral blade 801, and further, the decompression effect of the spiral blade 801 on water flow.
Example III
Referring to fig. 6 and 7, the third pressure reducing assembly 2 includes a housing 201, a rotating rod 202, a bearing 208, a first bevel gear 209, a second bevel gear 2010, a worm 207, a worm wheel 206, a rotating shaft 205, a collar 203 and a baffle 204, wherein the upper end of the side wall of the rotating rod 202 is rotationally connected with the top of the upper valve body 1, the lower end of the side wall of the rotating rod 202 is in transmission connection with the side wall of the worm 207, the side wall of the worm 207 is in transmission connection with the upper end of the side wall of the rotating shaft 205, the bottom of the rotating shaft 205 extends into the lower valve body 5, the top and the bottom of the collar 203 are fixedly sleeved on the side wall of the rotating shaft 205 at one end of the rotating shaft 5, the baffle 204 is fixedly provided with the inner wall of the collar 203, the inner wall of the first bevel gear 209 is fixedly sleeved on the lower end of the side wall of the rotating rod 202, the inner wall of the second bevel gear 2010 is fixedly sleeved on the side wall of the worm 207, the outer wall tooth of the first bevel gear 209 is meshed with the outer wall tooth of the second bevel gear, the inner wall of the collar 206 is fixedly sleeved on the upper end of the side wall of the rotating shaft 205, and the side wall of the worm 206 is meshed with the outer wall of the worm gear.
In practical implementation, the rotating rod 202 is rotated, the rotating rod 202 drives the first bevel gear 209 to rotate, the first bevel gear 209 drives the second bevel gear 2010 to rotate, the second bevel gear 2010 drives the worm 207 to rotate, the worm 207 drives the worm wheel 206 to rotate, the worm wheel 206 drives the rotating shaft 205 to rotate, and the rotating shaft 205 drives the lantern ring 203 and the baffle 204 to rotate, so that the area of the baffle 204 blocking water flow is adjusted, the decompression effect of the water flow is further adjusted, and the self-locking function is realized by adopting a transmission mode of the worm wheel 206 and the worm 207, and the decompression stability is ensured.
The inner ring inner wall of bearing 208 and the lateral wall fixed connection of bull stick 202, the outer lane outer wall of bearing 208 and the inside wall fixed connection of last valve body 1 carry out spacingly to bull stick 202, guarantee bull stick 202 pivoted stability, and the lateral wall both ends of worm 207 rotate with the inside wall of last valve body 1 respectively and are connected, guarantee worm 207 pivoted stability, and the lateral wall of pivot 205 rotates with the inner wall upper end of last valve body 1 to be connected, and the bottom of pivot 205 rotates with the bottom inner wall of lower valve body 5 to be connected, guarantees pivot 205 pivoted stability.
The top at last valve body 1 is established to casing 201 cover, and the one end that bull stick 202 is located the top at last valve body 1 is located casing 201, protects bull stick 202 through casing 201, avoids the mistake to bump bull stick 202 to avoid leading to baffle 204 to miscorsion.
The fixed cover is established pivot 205's mounting hole at the top of lantern ring 203 and the top of baffle 204 has all been offered, and the installation of being convenient for is used, and annular array's water conservancy diversion hole of arranging has been offered to the lateral wall of baffle 204, and the water flow of being convenient for avoids leading to blockking that the water flow is too big, and the in-service use of being convenient for, the outer wall diameter of lantern ring 203 is less than the inner wall diameter of lower valve body 5, guarantees that lantern ring 203 and baffle 204 have sufficient rotation space.
The inlet tube 7 all adopts flange fixed connection with first connection valve body 6, first connection valve body 6 and lower valve body 5, drain pipe 3 and second connection valve body 4 and lower valve body 5, convenient to detach and installation, convenient later stage change and maintenance etc. first connection valve body 6 and second connection valve body 4 all are tubular design.
According to the working principle, the water inlet pipe 7 and the water outlet pipe 3 of the device are arranged on a pipeline needing to be depressurized through connecting pieces such as flanges, water enters the water inlet pipe 7 through the water inlet pipe 7 and is discharged into the first connecting valve body 6, after the water enters the first connecting valve body 6, the spiral blade 801 is driven to rotate under the action of water flow, so that the depressurization is blocked at the beginning of the water, the spiral blade 801 adopts a running water type design, more water flows are prevented from being blocked at one time, the spiral blade 801 plays a buffering role on the spiral blade 801 under the action of the spring 903, the spiral blade 801 moves in the chute 902 along with the water flow when rotating, a certain buffering space is further prevented from being blocked at one time, the spiral blade 801 is convenient to use, and the kinetic energy of the water flow is converted into other energy through the spiral blade 801, so that the depressurization is achieved, the water flows into the lower valve body 5 after being depressurized by the first depressurization component 9 and the second depressurization component 8 in the first connection valve body 6, at this time, the diameter of the inner wall of the lower valve body 5 is larger than the diameter of the inner wall of the water inlet pipe 7, the effect of depressurization is further achieved, the water flows are blocked by the baffle 204, the effect of depressurization is achieved again, the water flows into the second connection valve body 4 after being depressurized by the third depressurization component 2 in the lower valve body 5, the depressurization is achieved through the first depressurization component 9 and the second depressurization component 8 of the second connection valve body 4, the depressurization effect is ensured, finally, the water is discharged through the drain pipe 3, when the depressurization is achieved through the first depressurization component 9, the degree of the compression spring 903 is adjusted by adjusting the position of the nut 904 of the second depressurization component 8, the buffer space of the installation collar 203 and the spiral blade 801 is adjusted, the depressurization effect can be adjusted by rotating the rotating rod 202 of the third depressurization component 2, the angle of the baffle 204 can be adjusted, i.e. the area of the baffle 204 blocking the water flow can be adjusted, and the pressure reducing effect of the water flow can be further adjusted.
The same or similar reference numerals in the drawings of the present embodiment correspond to the same or similar components; in the description of the present invention, it should be understood that, if there is an azimuth or positional relationship indicated by terms such as "upper", "lower", "left", "right", etc., based on the azimuth or positional relationship shown in the drawings, it is only for convenience of describing the present invention and simplifying the description, but it is not indicated or implied that the apparatus or element referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus terms describing the positional relationship in the drawings are merely illustrative and should not be construed as limitations of the present patent, and specific meanings of the terms described above may be understood by those skilled in the art according to specific circumstances.
Referring to fig. 1-7, a preferred embodiment of the present invention is provided.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.

Claims (6)

1. The utility model provides a novel relief pressure valve, its characterized in that, including last valve body (1) and lower valve body (5), go up valve body (1) and fixedly establish the top of lower valve body (5), the both sides of lower valve body (5) are provided with first connection valve body (6) and second connection valve body (4) respectively, the inner wall of first connection valve body (6) and the inner wall of second connection valve body (4) all are provided with first relief pressure subassembly (9), the inboard of first relief pressure subassembly (9) all is provided with installation sleeve (10), the inner wall of installation sleeve (10) all is provided with second relief pressure subassembly (8), the top of going up valve body (1) all is provided with and extends to third relief pressure subassembly (2) in lower valve body (5), one side that first connection valve body (6) and second connection valve body (4) keep away from each other is provided with inlet tube (7) and outlet pipe respectively.
2. The novel pressure reducing valve according to claim 1, wherein the first pressure reducing component (9) comprises a threaded rod (901), a nut (904), a spring (903) and a sliding groove (902), the sliding groove (902) is formed in an annular array and is arranged on the inner wall of the first connecting valve body (6), sliding blocks are arranged on the inner wall of the sliding groove (902), one side, far away from the sliding groove (902), of the sliding block is fixedly connected with the outer wall of the mounting sleeve (10), the threaded rod (901) is respectively arranged in the sliding groove (902) in an annular array, two ends of the threaded rod (901) are respectively fixedly connected with the inner walls of two sides of the sliding groove (902), the side walls of the threaded rod (901) are respectively sleeved in the sliding blocks, the spring (903) is respectively sleeved on the side walls of the threaded rod (901) in an annular array, the nut (904) is arranged on the side walls of the threaded rod (901), and the inner walls of the nut (904) are respectively in threaded connection with the side walls of the threaded rod (901).
3. The novel pressure reducing valve according to claim 2, wherein the spring (903) is located at one side of the nut (904) and the slider, through holes sleeved with the threaded rod (901) are formed in the side walls of the slider, and the diameter of the inner wall of the sliding groove (902) is larger than the diameters of the outer walls of the nut (904) and the spring (903).
4. The novel pressure reducing valve according to claim 1, wherein the second pressure reducing assembly (8) comprises a mounting ring (802) and spiral blades (801), the mounting ring (802) and the spiral blades (801) are both provided with two mounting rings (802) which are horizontally distributed, the outer walls of the two mounting rings (802) are fixedly connected with the inner wall of the mounting sleeve (10), and the two spiral blades (801) are respectively connected with the inner walls of the two mounting rings (802) in a rotating manner.
5. The novel pressure reducing valve according to claim 1, wherein the third pressure reducing assembly (2) comprises a shell (201), a rotating rod (202), a bearing (208), a first bevel gear (209), a second bevel gear (2010), a worm (207), a worm wheel (206), a rotating shaft (205), a lantern ring (203) and a baffle plate (204), the upper end of the side wall of the rotating rod (202) is rotationally connected with the top of the upper valve body (1), the lower end of the side wall of the rotating rod (202) is in transmission connection with the side wall of the worm (207), the side wall of the worm (207) is in transmission connection with the upper end of the side wall of the rotating shaft (205), the bottom of the rotating shaft (205) extends into the lower valve body (5), the top and the bottom of the lantern ring (203) are fixedly sleeved on the side wall of the rotating shaft (205) at one end of the lower valve body (5), the inner wall of the lantern ring (203) is fixedly arranged on the inner wall of the first bevel gear (209), the inner wall of the second bevel gear (2010) is fixedly sleeved on the side wall of the rotating rod (202), the outer wall of the worm gear (207) is fixedly sleeved on the outer wall of the worm gear (206), the outer wall of the first bevel gear (205) is meshed with the outer wall of the worm gear (206) is fixedly meshed with the outer wall of the worm gear (206), the inner ring inner wall of bearing (208) and the lateral wall fixed connection of bull stick (202), the outer lane outer wall of bearing (208) and the inside wall fixed connection of last valve body (1), the lateral wall both ends of worm (207) are connected with the inside wall rotation of last valve body (1) respectively, the lateral wall of pivot (205) is connected with the inner wall upper end rotation of last valve body (1), the bottom of pivot (205) is connected with the bottom inner wall rotation of lower valve body (5), top at last valve body (1) is established to casing (201) cover, the one end that bull stick (202) is located the top of last valve body (1) is located casing (201), the mounting hole of fixed cover pivot (205) has all been seted up at the top of lantern ring (203) and the top of baffle (204), and the deflector hole of annular array arrangement has been seted up to the lateral wall of baffle (204), and the outer wall diameter of lantern ring (203) is less than the inner wall diameter of lower valve body (5).
6. The novel pressure reducing valve according to claim 1, wherein the water inlet pipe (7) is fixedly connected with the first connecting valve body (6), the first connecting valve body (6) is fixedly connected with the lower valve body (5), the water outlet pipe (3) is fixedly connected with the second connecting valve body (4) and the second connecting valve body (4) is fixedly connected with the lower valve body (5) through flanges, and the first connecting valve body (6) and the second connecting valve body (4) are in tubular designs.
CN202311223477.1A 2023-09-21 2023-09-21 Pressure reducing valve Active CN117006256B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202311223477.1A CN117006256B (en) 2023-09-21 2023-09-21 Pressure reducing valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202311223477.1A CN117006256B (en) 2023-09-21 2023-09-21 Pressure reducing valve

Publications (2)

Publication Number Publication Date
CN117006256A true CN117006256A (en) 2023-11-07
CN117006256B CN117006256B (en) 2023-12-15

Family

ID=88569310

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202311223477.1A Active CN117006256B (en) 2023-09-21 2023-09-21 Pressure reducing valve

Country Status (1)

Country Link
CN (1) CN117006256B (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3223113A (en) * 1962-01-29 1965-12-14 Arthur J Hopper Valve and control member therefor
CN110541956A (en) * 2019-09-16 2019-12-06 赵国栋 Water flow pressure reducing device applied to water supply system
CN110985696A (en) * 2020-01-07 2020-04-10 陈美姻 Valve with valve clack convenient to replace and replacing method
CN210687223U (en) * 2019-10-28 2020-06-05 天津奥赛阀门有限公司 Flange butterfly valve
CN211117829U (en) * 2019-12-18 2020-07-28 大禹阀门制造(天津)有限公司 Adjustable pressure reducing valve
CN213711894U (en) * 2020-12-07 2021-07-16 盐城诺维特机电科技有限公司 Flow regulating mechanism of pressure reducing valve
CN216743019U (en) * 2021-11-26 2022-06-14 芜湖锐华暖通科技股份有限公司 Pressure reducing pilot valve capable of reducing damage of internal parts

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3223113A (en) * 1962-01-29 1965-12-14 Arthur J Hopper Valve and control member therefor
CN110541956A (en) * 2019-09-16 2019-12-06 赵国栋 Water flow pressure reducing device applied to water supply system
CN210687223U (en) * 2019-10-28 2020-06-05 天津奥赛阀门有限公司 Flange butterfly valve
CN211117829U (en) * 2019-12-18 2020-07-28 大禹阀门制造(天津)有限公司 Adjustable pressure reducing valve
CN110985696A (en) * 2020-01-07 2020-04-10 陈美姻 Valve with valve clack convenient to replace and replacing method
CN213711894U (en) * 2020-12-07 2021-07-16 盐城诺维特机电科技有限公司 Flow regulating mechanism of pressure reducing valve
CN216743019U (en) * 2021-11-26 2022-06-14 芜湖锐华暖通科技股份有限公司 Pressure reducing pilot valve capable of reducing damage of internal parts

Also Published As

Publication number Publication date
CN117006256B (en) 2023-12-15

Similar Documents

Publication Publication Date Title
CN117006256B (en) Pressure reducing valve
CN110686112B (en) Pipeline gate valve convenient to dismouting
CN110553091B (en) Water flow state conversion device inside rigid pipeline
CN106090392B (en) Servo-controlled valve
CN108662168B (en) A kind of valve convenient for operating regulating flow quantity flow velocity
CN209084084U (en) A kind of horizontal check valve
CN111075967A (en) Fire-fighting high-pressure pipeline safety valve
CN209762279U (en) Spring type self-adjusting water tap
CN110319212A (en) Adjustable pressure reduction orifice plate
CN109506026A (en) A kind of quantitative self-closing valve
CN108176461A (en) A kind of medical drug grinding device
CN210484976U (en) Water supply and drainage pipeline antidetonation support
CN209340535U (en) A kind of Manual safety valve
CN219159593U (en) Ball valve with pressure relief function
CN218911605U (en) Water supply and drainage connecting pipeline with displacement compensation
CN220424420U (en) Fire monitor variable gun head
CN220581750U (en) One-way check valve of petroleum pipeline
CN217736471U (en) Novel maintain relief pressure valve that makes things convenient for practicality to be strong
CN220749101U (en) Control mechanism of drain valve
CN220523332U (en) Ball valve capable of adjusting pipeline fluid flow
CN219774851U (en) Stop valve convenient to adjust flow
CN214743456U (en) Cylindrical air volume adjusting valve
CN220320464U (en) Butterfly valve convenient to adjust installation
CN219655304U (en) Water supply and drainage device with controllable flow rate
CN216009937U (en) Open type liquid flow direction reversing equipment rotating along vertical shaft

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant