CN115289223B - Multistage valve - Google Patents
Multistage valve Download PDFInfo
- Publication number
- CN115289223B CN115289223B CN202210956196.6A CN202210956196A CN115289223B CN 115289223 B CN115289223 B CN 115289223B CN 202210956196 A CN202210956196 A CN 202210956196A CN 115289223 B CN115289223 B CN 115289223B
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- China
- Prior art keywords
- cavity
- valve
- flange
- valve body
- fixedly arranged
- Prior art date
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 53
- 238000007789 sealing Methods 0.000 claims description 44
- 238000000926 separation method Methods 0.000 claims description 8
- 238000001914 filtration Methods 0.000 abstract description 9
- 230000000694 effects Effects 0.000 description 5
- 238000009434 installation Methods 0.000 description 5
- 238000005422 blasting Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift 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
- F16K1/02—Lift 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 screw-spindle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/02—Filters adapted for location in special places, e.g. pipe-lines, pumps, stop-cocks
- B01D35/04—Plug, tap, or cock filters filtering elements mounted in or on a faucet
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift 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
- F16K1/14—Lift 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 ball-shaped valve member
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift 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
- F16K1/32—Details
- F16K1/52—Means for additional adjustment of the rate of flow
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/50—Mechanical actuating means with screw-spindle or internally threaded actuating means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/60—Handles
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Taps Or Cocks (AREA)
Abstract
The invention relates to the technical field of valves, in particular to a multi-stage valve which comprises a valve body, a primary throttling mechanism and a secondary throttling mechanism, wherein the primary throttling mechanism is arranged on the valve body and comprises a first adjusting component and a filtering component, the adjusting component is fixedly arranged at the top end of a valve seat and extends into the valve body, the filtering component is fixedly arranged at one end of the valve body, the secondary throttling component comprises a side valve and a second adjusting component, the side valve is arranged at the other end of the valve body, and the second adjusting component is fixedly arranged in the side valve.
Description
Technical Field
The invention relates to the technical field of valves, in particular to a multi-stage valve.
Background
The check valve is a valve with a circular valve clack and is used for blocking the backflow of a medium by means of the self weight and the medium pressure, and belongs to automatic valves, namely a check valve, a one-way valve, a backflow valve or an isolation valve. The disadvantage is the high resistance and the poor tightness when closed.
When the pressure of medium in the check valve is increased to exceed a specified value and the check valve works under long-term variable load, fatigue and cracks are easy to generate, so that the sealing surface of the valve seat is peeled off and damaged, the traditional solution is to use a safety valve for pressure relief, but most of the safety valves cannot be continuously used after pressure relief actions are finished, the blasting element can be forced to stop running once the container is over-pressurized, the blasting element is in a high-stress state for a long time and is easy to fail too early due to fatigue, the service life of the element is short, and the valve needs to be replaced periodically, so that a multi-stage valve is necessary to be designed according to the defects of the prior art.
Disclosure of Invention
The invention aims to provide a multi-stage valve.
To achieve the purpose, the invention adopts the following technical scheme:
The utility model provides a multistage valve, including valve body, one-level throttling mechanism and second throttling mechanism, one-level throttling mechanism sets up on the valve body, one-level throttling mechanism includes first adjusting part and filter component, the adjusting part is fixed to be set up in the top of disk seat and extend to the valve body inside, the filter component is fixed to be set up in the one end of valve body, second throttling mechanism includes side valve and second adjusting part, the side valve sets up in the other end of valve body, the second adjusting part is fixed to be set up in the side valve.
Further, the valve body is internally provided with a first through cavity and a second through cavity respectively, one side of the first through cavity is fixed and sealed to be provided with a first flange, one side of the second through cavity is fixed and sealed to be provided with a second flange, a separation block is fixedly arranged between the first through cavity and the second through cavity, the top end of the separation block is provided with a through hole, and the through hole is respectively communicated with the first through cavity and the second through cavity.
Further, the middle part of one side of first flange is equipped with the mounting groove, filtering component includes equipment ring and filter screen, the filter screen card connects in the inside of mounting groove, equipment ring fixed joint is in the mounting groove and is located one side of filter screen.
Further, the first adjusting component comprises a mounting seat, a screw rod sleeve, a threaded rod, a rotating hand, a valve rod and a valve ball, wherein the mounting seat is fixedly and hermetically arranged at the top of the valve body, the screw rod sleeve is fixedly arranged on the mounting seat, one end of the threaded rod penetrates through the screw rod sleeve to be fixedly connected with one end of the valve rod, the other end of the valve rod extends into the valve body and is fixedly connected with the valve ball, the valve ball is clamped in the through hole, the rotating hand is fixedly arranged at the other end of the threaded rod, and the threaded rod is in threaded connection with the screw rod sleeve.
Further, a third flange is fixedly arranged on one side of the bottom of the side valve, mounting cavities are formed in the middle of the second flange and the middle of the third flange, sealing rings are clamped in the mounting cavities, and the second flange and the third flange are sealed and fixedly connected through bolts.
Further, one side of the third flange is fixedly provided with a bottom through pipe, the bottom through pipe is fixedly communicated with one side of the bottom of the side valve, a third through cavity is arranged in the bottom through pipe, and one end of the third through cavity is communicated with the second through cavity.
Further, the inside smooth chamber that leads to that is equipped with of side valve, smooth chamber bottom is equipped with the passageway that intakes, the passageway that intakes sets up with third tee bend chamber one side bottom intercommunication, smooth intracavity wall top one side is equipped with the pressure release chamber, pressure release chamber and the outside intercommunication setting of side valve, and one side of pressure release chamber is equipped with the fourth flange, the homonymy bottom of pressure release chamber is equipped with the side stream chamber, the side stream chamber sets up with smooth chamber and third tee bend chamber intercommunication respectively.
Further, the second adjusting part comprises a sealing cover, an adjusting column, an upper sealing ring, a lower sealing ring and a reset spring, wherein the sealing cover is fixedly arranged at the top of the side valve, a circulation cavity is formed in the adjusting column, one end of the reset spring is fixedly arranged at the bottom end of the circulation cavity, the other end of the reset spring is fixedly connected with the top end of the sealing cover, the upper sealing ring and the lower sealing ring are respectively fixedly arranged at the upper end and the lower end of the outer wall of the adjusting column, and the upper sealing ring and the lower sealing ring are in sliding connection with the inner wall of the sliding cavity.
Further, a water outlet channel is arranged on one side of the top of the inner wall of the sliding cavity, the water outlet channel is communicated with the outside of the side valve, and a fifth flange is fixedly arranged on one side of the water outlet channel.
The invention has the beneficial effects that:
1. when water flow passes through the first flange and enters the first through cavity, the filter screen plays a role in filtering the water flow when the water flow passes through the filter screen, so that the purpose of protecting the valve body is achieved, and the assembly ring plays a role in fixedly mounting the filter screen.
2. Through manual rotation hand, indirectly drive the valve ball through the threaded rod and remove, when valve ball outer wall steel breaks away from the through-hole, rivers pass the through-hole and get into to the second through-hole intracavity, and water pressure is great this moment, through the continuous rising of valve ball, the circulation face of through-hole constantly enlarges to reduce water pressure gradually, the valve ball plays the effect of playing one-level regulation to water pressure.
3. When the valve ball leaves the through hole completely and the water pressure is still very big, the rivers enter into the third through-hole along the second through-hole chamber, then enter into smooth logical chamber bottom through the passageway that flows into smooth logical chamber top through the circulation chamber to get into the play water passageway through smooth logical chamber, seal ring between second through-hole chamber and the third through-hole chamber plays sealed effect, and when the water pressure is too big, rivers also can promote the adjusting column and compress reset spring through the circulation chamber.
4. When rivers are located smooth logical chamber bottom, the last seal ring starting state on adjusting column top is the one end that is located the pressure release chamber, because the water pressure is too big, and water pressure can promote the adjusting column and upwards slide along smooth logical chamber, and the pressure release chamber is opened to last seal ring this moment to third intracavity partial rivers flow into the pressure release intracavity along side stream chamber and smooth logical chamber limit, and then play the pressure release effect to the water of inlet channel and circulation intracavity, thereby play the second grade regulation effect to water pressure.
According to the invention, through manually operating the valve ball arranged in the valve body and the adjusting column arranged in the side valve capable of automatically reacting, the secondary pressure relief can be respectively carried out on the entered water flow, the structure is ingenious, the pressure reduction is efficient, and the safety of the valve is greatly improved.
Drawings
In order to more clearly illustrate the technical solution of the embodiments of the present invention, the following description briefly describes the drawings in the embodiments of the present invention.
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a partially disassembled schematic view of the valve body and the primary throttling mechanism of the present invention;
FIG. 4 is a top view of the valve body of the present invention;
FIG. 5 is a cross-sectional view taken along line A-A of FIG. 4;
FIG. 6 is a partially disassembled schematic illustration of a side valve of the present invention;
FIG. 7 is an overall top view of the present invention;
FIG. 8 is a cross-sectional view taken along line B-B of FIG. 7;
In the figure:
The valve comprises a valve body 1, a first through cavity 10, a first flange 100, a mounting groove 101, a second through cavity 11, a second flange 110, a separation block 12 and a through hole 120;
The first-stage throttling mechanism 2, the first adjusting component 20, the mounting seat 200, the screw sleeve 201, the threaded rod 202, the turning hand 203, the valve rod 204, the valve ball 205, the filtering component 21, the assembling ring 210 and the filtering screen 211;
The secondary throttle mechanism 3, the side valve 30, the third flange 300, the installation cavity 3000, the sealing ring 3001, the bottom through pipe 301, the third through cavity 3010, the sliding through cavity 302, the water inlet channel 303, the pressure release cavity 304, the fourth flange 3040, the side flow cavity 305, the water outlet channel 306, the fifth flange 307, the second adjusting component 31, the sealing cover 310, the adjusting column 311, the flow through cavity 3110, the upper sealing ring 312, the lower sealing ring 313 and the return spring 314.
Detailed Description
The technical scheme of the invention is further described below by the specific embodiments with reference to the accompanying drawings.
Wherein the drawings are for illustrative purposes only and are shown in schematic, non-physical, and not intended to be limiting of the present patent; for the purpose of better illustrating embodiments of the invention, certain elements of the drawings may be omitted, enlarged or reduced in size and do not represent the actual product dimensions.
The invention provides a technical scheme that: referring to fig. 1 to 2, a multi-stage valve is shown, which comprises a valve body 1, a primary throttle mechanism 2 and a secondary throttle mechanism 3, wherein the primary throttle mechanism 2 is arranged on the valve body 1, the primary throttle mechanism 2 comprises a first adjusting component 20 and a filtering component 21, the adjusting component is fixedly arranged at the top end of a valve seat and extends into the valve body 1, the filtering component 21 is fixedly arranged at one end of the valve body 1, the secondary throttle component comprises a side valve 30 and a second adjusting component 31, the side valve 30 is arranged at the other end of the valve body 1, and the second adjusting component 31 is fixedly arranged in the side valve 30.
Referring to fig. 3, a mounting groove 101 is formed in the middle of one side of the first flange 100, the mounting groove 101 provides a clamping space for the assembly ring 210 and the filter screen 211, the filter assembly 21 comprises the assembly ring 210 and the filter screen 211, the filter screen 211 is clamped in the mounting groove 101, the assembly ring 210 is fixedly clamped in the mounting groove 101 and is positioned on one side of the filter screen 211, the filter screen 211 plays a role in filtering water flow, and therefore the purpose of protecting the valve body 1 is achieved, and the assembly ring 210 plays a fixed mounting role on the filter screen 211.
Referring to fig. 4 to 5, a first through cavity 10 and a second through cavity 11 are respectively arranged in the valve body 1, one side of the first through cavity 10 is fixed and sealed to be provided with a first flange 100, the first flange 100 plays a role in sealing and fixing when the first through cavity 10 is communicated with an external medium, one side of the second through cavity 11 is fixed and sealed to be provided with a second flange 110, the second flange 110 is fixedly connected with a third flange 300, a separation block 12 is fixedly arranged between the second first through cavity 10 and the second through cavity 11, a through hole 120 is formed in the top end of the separation block 12, the through hole 120 is respectively communicated with the first through cavity 10 and the second through cavity 11, and the separation block 12 and the through hole 120 are used for blocking medium flow.
In the invention, a first adjusting component 20 at the top of a valve body 1 comprises a mounting seat 200, a screw sleeve 201, a threaded rod 202, a turning hand 203, a valve rod 204 and a valve ball 205, wherein the mounting seat 200 provides a fixed mounting carrier for the screw sleeve 201, the mounting seat 200 is fixedly and hermetically arranged at the top of the valve body 1, the screw sleeve 201 is fixedly arranged on the mounting seat 200, one end of the threaded rod 202 penetrates through the screw sleeve 201 and is fixedly connected with one end of the valve rod 204, the other end of the valve rod 204 extends into the valve body 1 and is fixedly connected with the valve ball 205, the valve ball 205 is clamped in a through hole 120, the turning hand 203 is fixedly arranged at the other end of the threaded rod 202 and is in threaded connection with the screw sleeve 201, the turning hand 203 drives the threaded rod 202 to ascend through the threaded rod 202, and the threaded rod 202 drives the threaded rod 204 to ascend through the threaded rod 202, so that the threaded rod 202 drives the valve ball 205 to move, and the outer wall of the valve ball 205 is separated from the through hole 120.
Referring to fig. 6 to 7, a third flange 300 is fixedly arranged at one side of the bottom of the side valve 30, installation cavities 3000 are respectively arranged in the middle of the second flange 110 and the third flange 300, the installation cavities 3000 provide installation spaces for the sealing rings 3001, the sealing rings 3001 are clamped in the two installation cavities 3000, the second flange 110 and the third flange 300 are fixedly connected through bolt sealing, the sealing rings 3001 play a sealing role on the second through cavity 11 and the third through cavity 3010, a bottom through pipe 301 is fixedly arranged at one side of the third flange 300, the bottom through pipe 301 is an intermediate pipe for communicating the valve body 1 with the side valve 30, the bottom through pipe 301 is fixedly arranged at one side of the bottom of the side valve 30, a third through cavity 3010 is arranged in the bottom through pipe 301, one end of the third through cavity 3010 is communicated with the second through cavity 11, and the third through cavity 3010 provides reserved space for secondary pressure relief.
Referring to fig. 7 and 8, a sliding cavity 302 is provided in the side valve 30, the sliding cavity 302 provides an up-down sliding space for the adjusting column 311, a water inlet channel 303 is provided at the bottom of the sliding cavity 302, the water inlet channel 303 is communicated with the bottom of one side of the third through cavity 3010, a pressure release cavity 304 is provided at one side of the top of the inner wall of the sliding cavity 302, the pressure release cavity 304 is communicated with the outside of the side valve 30, a fourth flange 3040 is provided at one side of the pressure release cavity 304, the carrier is fixedly connected to the side valve 30 through sealing required by discharging medium, a side flow cavity 305 is provided at the bottom of the same side of the pressure release cavity 304, the side flow cavity 305 is respectively communicated with the sliding cavity 302 and the third through cavity 3010, a water outlet channel 306 is provided at one side of the top of the inner wall of the sliding cavity 302, when the pressure release cavity 304 is not yet opened, the water inlet channel 303 is the only channel, the water outlet channel 306 is communicated with the outside of the side valve 30, a fifth flange 307 is fixedly provided at one side of the water outlet channel 306, the fifth flange 307 plays a fixed sealing role on the water outlet channel 306, when the ball 205 completely leaves the through hole 120, water pressure is very high, and water flows into the sliding cavity 3010 through the sliding cavity 302 through the top cavity 302 along the first through the side channel 3010, and enters the sliding cavity 302, and enters into the top cavity 3110 through the valve cavity, so as to flow cavity 303.
In the present invention, the second adjusting component 31 includes a sealing cover 310, an adjusting column 311, an upper sealing ring 312, a lower sealing ring 313 and a return spring 314, wherein the sealing cover 310 is fixedly disposed at the top of the side valve 30, a circulation cavity 3110 is disposed inside the adjusting column 311, one end of the return spring 314 is fixedly disposed at the bottom inside the circulation cavity 3110, the other end of the return spring 314 is fixedly connected to the top inside the sealing cover 310, the upper sealing ring 312 and the lower sealing ring 313 are respectively fixedly disposed at the upper and lower ends of the outer wall of the adjusting column 311, and the upper sealing ring 312 and the lower sealing ring 313 are slidably connected to the inner wall of the circulation cavity 302, when the water flow is at the bottom of the circulation cavity 302, the upper sealing ring 312 at the top of the adjusting column 311 is at one end of the pressure release cavity 304, and the water pressure will push the adjusting column 311 to slide upwards along the circulation cavity 302 due to excessive water pressure, at this time, the upper sealing ring 312 opens the pressure release cavity 304, so that part of the water flow in the third circulation cavity 3010 flows into the pressure release cavity 304 along the sides of the circulation cavity 305 and the circulation cavity 302, thereby achieving a second-stage adjustment effect on the water flow in the water inlet channel 303 and the circulation cavity 3110.
Working principle:
When water flows through the first flange 100 and enters the first through cavity 10, the rotary hand 203 is manually rotated, the threaded rod 202 is in threaded connection with the screw sleeve 201, so that the rotary hand 203 drives the threaded rod 202 to ascend, the threaded rod 202 drives the valve rod 204 to ascend, and accordingly the threaded rod 202 drives the valve ball 205 to move, when the outer wall of the valve ball 205 just breaks away from the through hole 120, water flows through the through hole 120 and enters the second through cavity 11, at the moment, the water pressure is high, the flow surface of the through hole 120 is continuously amplified, so that the water pressure is gradually reduced, when the water pressure of the valve ball 205 completely leaves the through hole 120, the water enters the third through cavity 3010 along the second through cavity 11, enters the bottom of the sliding through cavity 302 through the water channel 303, enters the flow cavity 3110 inside the adjusting column 311 along the flow cavity 3110, enters the top of the sliding cavity 302, and thus enters the water channel 306 through the sliding cavity 302, when the water pressure is at the bottom of the sliding cavity 302, the water pressure is high, the water pressure can push the adjusting column 311 upwards slides along the sliding ring 302, the water pressure is gradually reduced, the water pressure is discharged into the pressure relief cavity 3110, and the pressure is discharged into the pressure relief cavity 300, and the pressure relief cavity is formed by the pressure relief cavity, and the pressure relief cavity is formed by the pressure of the water, and the pressure relief cavity is discharged by the pressure of the water, and the pressure relief cavity.
Claims (2)
1. The utility model provides a multistage valve, includes valve body (1), one-level throttle mechanism (2) and second grade throttle mechanism (3), its characterized in that, one-level throttle mechanism (2) set up on valve body (1), one-level throttle mechanism (2) include first adjusting part (20) and filter component (21), first adjusting part is fixed to be set up on the top of disk seat and extend to inside valve body (1), filter component (21) are fixed to be set up in the one end of valve body (1), second grade throttle mechanism (3) include side valve (30) and second adjusting part (31), side valve (30) set up in the other end of valve body (1), second adjusting part (31) are fixed to be set up in side valve (30);
The valve is characterized in that a first through cavity (10) and a second through cavity (11) are respectively arranged in the valve body (1), a first flange (100) is fixedly and hermetically arranged on one side of the first through cavity (10), a second flange (110) is fixedly and hermetically arranged on one side of the second through cavity (11), a separation block (12) is fixedly arranged between the first through cavity (10) and the second through cavity (11), a through hole (120) is formed in the top end of the separation block (12), and the through hole (120) is respectively communicated with the first through cavity (10) and the second through cavity (11);
The first adjusting assembly (20) comprises a mounting seat (200), a screw rod sleeve (201), a threaded rod (202), a turning hand (203), a valve rod (204) and a valve ball (205), wherein the mounting seat (200) is fixedly and hermetically arranged at the top of the valve body (1), the screw rod sleeve (201) is fixedly arranged on the mounting seat (200), one end of the threaded rod (202) penetrates through the screw rod sleeve (201) to be fixedly connected with one end of the valve rod (204), the other end of the valve rod (204) extends into the valve body (1) and is fixedly connected with the valve ball (205), the valve ball (205) is clamped in the through hole (120), the turning hand (203) is fixedly arranged at the other end of the threaded rod (202), and the threaded rod (202) is in threaded connection with the screw rod sleeve (201);
a third flange (300) is fixedly arranged on one side of the bottom of the side valve (30), mounting cavities (3000) are respectively arranged in the middle of the second flange (110) and the third flange (300), sealing rings (3001) are clamped in the two mounting cavities (3000), and the second flange (110) and the third flange (300) are sealed and fixedly connected through bolts;
a bottom through pipe (301) is fixedly arranged on one side of the third flange (300), the bottom through pipe (301) is fixedly communicated with one side of the bottom of the side valve (30), a third through cavity (3010) is arranged in the bottom through pipe (301), and one end of the third through cavity (3010) is communicated with the second through cavity (11);
The side valve (30) is internally provided with a sliding cavity (302), the bottom of the sliding cavity (302) is provided with a water inlet channel (303), the water inlet channel (303) is communicated with the bottom of one side of the third cavity (3010), one side of the top of the inner wall of the sliding cavity (302) is provided with a pressure release cavity (304), the pressure release cavity (304) is communicated with the outside of the side valve (30), one side of the pressure release cavity (304) is provided with a fourth flange (3040), the bottom of the same side of the pressure release cavity (304) is provided with a side flow cavity (305), and the side flow cavity (305) is respectively communicated with the sliding cavity (302) and the third cavity (3010);
The second adjusting component (31) comprises a sealing cover (310), an adjusting column (311), an upper sealing ring (312), a lower sealing ring (313) and a reset spring (314), wherein the sealing cover (310) is fixedly arranged at the top of the side valve (30), a circulation cavity (3110) is arranged in the adjusting column (311), one end of the reset spring (314) is fixedly arranged at the bottom end in the circulation cavity (3110), the other end of the reset spring (314) is fixedly connected with the top end in the sealing cover (310), the upper sealing ring (312) and the lower sealing ring (313) are respectively fixedly arranged at the upper end and the lower end of the outer wall of the adjusting column (311), and the upper sealing ring (312) and the lower sealing ring (313) are in sliding connection with the inner wall of the sliding cavity (302);
A water outlet channel (306) is arranged on one side of the top of the inner wall of the sliding cavity (302), the water outlet channel (306) is communicated with the outside of the side valve (30), and a fifth flange (307) is fixedly arranged on one side of the water outlet channel (306).
2. The multi-stage valve according to claim 1, wherein a mounting groove (101) is formed in the middle of one side of the first flange (100), the filter assembly (21) comprises an assembly ring (210) and a filter screen (211), the filter screen (211) is clamped inside the mounting groove (101), and the assembly ring (210) is fixedly clamped inside the mounting groove (101) and is located at one side of the filter screen (211).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210956196.6A CN115289223B (en) | 2022-08-10 | 2022-08-10 | Multistage valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210956196.6A CN115289223B (en) | 2022-08-10 | 2022-08-10 | Multistage valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115289223A CN115289223A (en) | 2022-11-04 |
| CN115289223B true CN115289223B (en) | 2024-06-11 |
Family
ID=83828927
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210956196.6A Active CN115289223B (en) | 2022-08-10 | 2022-08-10 | Multistage valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115289223B (en) |
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| WO1996000853A1 (en) * | 1994-06-29 | 1996-01-11 | Holter Regelarmaturen Gmbh & Co. Kg | Pump-protecting valve |
| CN101676590A (en) * | 2008-09-17 | 2010-03-24 | 宁波华成阀门有限公司 | Pressure release type backflow preventer |
| RU2447346C1 (en) * | 2010-11-25 | 2012-04-10 | Закрытое акционерное общество "АНОД" | Stop valve with unloaded stop |
| CN204127447U (en) * | 2014-09-29 | 2015-01-28 | 保一集团有限公司 | A kind of adjustable Emergeny Cutoff Valves |
| CN214789237U (en) * | 2020-12-14 | 2021-11-19 | 昆山市鑫鑫鹏机械有限公司 | Low-temperature safety valve structure |
-
2022
- 2022-08-10 CN CN202210956196.6A patent/CN115289223B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87101607A (en) * | 1986-02-03 | 1988-01-20 | 姆拉登·詹科维克 | Utilize the guiding valve of working medium accumulation function |
| WO1996000853A1 (en) * | 1994-06-29 | 1996-01-11 | Holter Regelarmaturen Gmbh & Co. Kg | Pump-protecting valve |
| CN101676590A (en) * | 2008-09-17 | 2010-03-24 | 宁波华成阀门有限公司 | Pressure release type backflow preventer |
| RU2447346C1 (en) * | 2010-11-25 | 2012-04-10 | Закрытое акционерное общество "АНОД" | Stop valve with unloaded stop |
| CN204127447U (en) * | 2014-09-29 | 2015-01-28 | 保一集团有限公司 | A kind of adjustable Emergeny Cutoff Valves |
| CN214789237U (en) * | 2020-12-14 | 2021-11-19 | 昆山市鑫鑫鹏机械有限公司 | Low-temperature safety valve structure |
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|---|---|
| CN115289223A (en) | 2022-11-04 |
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