CN112483497B - Emergent buffer valve of autonomic filtration formula - Google Patents

Emergent buffer valve of autonomic filtration formula Download PDF

Info

Publication number
CN112483497B
CN112483497B CN202011171892.3A CN202011171892A CN112483497B CN 112483497 B CN112483497 B CN 112483497B CN 202011171892 A CN202011171892 A CN 202011171892A CN 112483497 B CN112483497 B CN 112483497B
Authority
CN
China
Prior art keywords
valve
valve body
cavity
main valve
communicated
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.)
Active
Application number
CN202011171892.3A
Other languages
Chinese (zh)
Other versions
CN112483497A (en
Inventor
竺伟杰
单晓荣
严瑞康
单军波
单谟君
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.)
NINGBO JIAERLING PNEUMATIC MACHINERY CO Ltd
Original Assignee
NINGBO JIAERLING PNEUMATIC MACHINERY 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 NINGBO JIAERLING PNEUMATIC MACHINERY CO Ltd filed Critical NINGBO JIAERLING PNEUMATIC MACHINERY CO Ltd
Priority to CN202011171892.3A priority Critical patent/CN112483497B/en
Publication of CN112483497A publication Critical patent/CN112483497A/en
Application granted granted Critical
Publication of CN112483497B publication Critical patent/CN112483497B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D45/00—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
    • B01D45/12—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by centrifugal forces
    • B01D45/14—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by centrifugal forces generated by rotating vanes, discs, drums or brushes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
    • B01D46/2403—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies characterised by the physical shape or structure of the filtering element
    • B01D46/2411—Filter cartridges
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
    • B01D50/20—Combinations of devices covered by groups B01D45/00 and B01D46/00
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00—Power-operated mechanisms for wings
    • E05F15/50—Power-operated mechanisms for wings using fluid-pressure actuators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
    • F15B21/04—Special measures taken in connection with the properties of the fluid
    • F15B21/048—Arrangements for compressed air preparation, e.g. comprising air driers, air condensers, filters, lubricators or pressure regulators
    • 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
    • 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
    • F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
    • F16K31/122—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a piston
    • F16K31/1221—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a piston one side of the piston being spring-loaded
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2900/00—Application of doors, windows, wings or fittings thereof
    • E05Y2900/50—Application of doors, windows, wings or fittings thereof for vehicles
    • E05Y2900/53—Type of wing
    • E05Y2900/531—Doors

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Geometry (AREA)
  • Analytical Chemistry (AREA)
  • Self-Closing Valves And Venting Or Aerating Valves (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)

Abstract

The invention discloses an autonomous filtering type emergency buffer valve which comprises a first valve body, an air filter and an end cover, wherein the air filter comprises a second valve body, a water storage cup and a filter element; a buffer cavity is formed between the first valve body and the second valve body, a main valve cavity is formed between the first valve body and the end cover, the first valve body is provided with an air outlet communicated with the main valve cavity, the second valve body is provided with an air inlet communicated with the water storage cup, and the inner side end of the air inlet is positioned at the periphery of the filter element; the buffer cavity is communicated with the inner cavity of the filter element through a filter passage, the main valve cavity is communicated with the buffer cavity through a valve port, and the main valve cavity is also communicated with the buffer cavity through a throttling hole; the main valve cavity is internally provided with a main valve core matched with the valve port, a through hole communicated with the valve port penetrates through the main valve core, and the pressure area of the upper end of the main valve core is larger than that of the lower end of the main valve core. The invention has the advantages of simple and compact structure, convenient installation and good filtering effect.

Description

Emergent buffer valve of autonomic filtration formula
Technical Field
The invention relates to the technical field of valves, in particular to an automatic filtering type emergency buffer valve.
Background
With the rapid development of automobile industry in China, the requirements of customers on the performance of automobiles in all aspects are higher and higher, and particularly, the automobile door with very high utilization rate is adopted. Most of the existing vehicle doors are driven by air source power, and emergency buffer valves are installed inside and outside a vehicle body near the vehicle doors according to the requirements of national standards, are used for cutting off the air source input of the vehicle doors in emergency and discharging residual air, and therefore the passenger doors can be opened manually.
The emergency valve mainly achieves a buffering effect through an internal small throttling hole, for example, a buffering valve group disclosed in the chinese patent application No. CN201820886279.1 is mainly characterized in that a first throttling hole and a second throttling hole which are communicated with each other are sequentially arranged on an axis of a buffering valve core and along a direction from a liquid inlet to a liquid outlet of a main flow passage, a first overflowing hole communicated with the second throttling hole is radially arranged on the buffering valve core and at a position close to the liquid inlet of the main flow passage, and the diameter of one end of the main flow passage close to the liquid inlet of the main flow passage is larger than that of the outer surface of the buffering valve core, so that the buffering valve group can reduce the flow and pressure of hydraulic oil and further play a buffering effect. But in the in-service use in-process, because the orifice diameter is less, and the inevitable impurity that can adulterate in the fluid for the orifice is often blocked up, seriously influences emergency valve's normal work, and people install filter screen or filter in emergency valve's import for this, but in-service use in-process, the filter effect of filter screen is relatively poor, and the filter structure is complicated, and is bulky, and the installation is troublesome relatively, makes emergency valve have some problems that await solution urgently, needs further improvement and optimization.
Disclosure of Invention
Aiming at the defects and shortcomings of the prior art, the invention provides the self-filtering type emergency buffer valve which has the advantages of simple and compact structure, convenience in installation and good filtering effect.
The technical scheme adopted by the invention for solving the technical problems is as follows: an autonomous filtering type emergency buffer valve comprises a first valve body, an air filter and an end cover, wherein the air filter is arranged at the bottom of the first valve body, the end cover is arranged at the top of the first valve body in a covering mode, the air filter comprises a second valve body, a water storage cup and a filter element, the second valve body is arranged at the bottom of the first valve body, the water storage cup is arranged on the second valve body, a support column is arranged on the second valve body, a water baffle is fixed at the bottom end of the support column, and the filter element is arranged on the periphery of the support column and located between the second valve body and the water baffle;
a buffer cavity is formed between the first valve body and the second valve body, a main valve cavity is formed between the first valve body and the end cover, an air outlet communicated with the main valve cavity is formed in the first valve body, an air inlet communicated with the water storage cup is formed in the second valve body, and the inner side end of the air inlet is located on the periphery of the filter element;
the buffer cavity is communicated with the inner cavity of the filter element through a filter channel, the main valve cavity is communicated with the buffer cavity through a valve port, and the main valve cavity is also communicated with the buffer cavity through a throttling hole;
the main valve cavity is internally provided with a main valve core in a sliding manner, the main valve core is matched with the valve port in an opening and closing manner, a through hole communicated with the valve port penetrates through the main valve core, and the pressure area of the upper end of the main valve core is larger than that of the lower end of the main valve core.
Furthermore, a water discharger is arranged at the bottom of the water storage cup; the filtered sewage is convenient to discharge.
Furthermore, a plurality of cyclone blades are arranged on the outer side of the filter element along the circumferential direction; the air that gets into plays direction and centrifugal action, and filtration efficiency promotes the filter effect with higher speed.
Furthermore, the water baffle is in a horn shape with gradually increased diameter from top to bottom; the water which is filtered out is guided to be smoothly collected to the bottom of the water storage cup.
Further, a first spring is abutted between the main valve core and the end cover, and the first spring forces the lower end of the main valve core to abut against the valve port; keeping the valve port normally closed.
Further, a first spring seat is convexly arranged on the end cover, a step is arranged in the through hole, one end of the first spring abuts against the first spring seat, and the other end of the first spring abuts against the step; the installation of the first spring is facilitated.
Further, a sealing ring matched with the valve port is sleeved at the lower end of the main valve core; keeping the valve port sealed.
Furthermore, the main valve cavity is communicated with the buffer cavity through an exhaust hole, an exhaust valve core for opening and closing the exhaust hole is arranged in the buffer cavity, a second spring is arranged between the exhaust valve core and the second valve body in a propping manner, and the second spring forces the exhaust valve core to close the exhaust hole; keeping the vent hole normally closed.
Furthermore, a second spring seat is convexly arranged on the second valve body, an installation column is arranged on the exhaust valve core, one end of the second spring is sleeved on the installation column, and the other end of the second spring abuts against the second spring seat; the installation of the second spring is facilitated.
Furthermore, a sealing gasket in sealing fit with the exhaust hole is arranged on the exhaust valve core; keeping the vent hole sealed.
The invention has the beneficial effects that: firstly, an air filter is arranged at the bottom of the first valve body, gas flows into the air filter from the air inlet, is filtered by the filter element and then flows into the buffer cavity from the filtering channel, so that the entering gas must be filtered firstly, the automatic filtering is realized, other filters are not required to be connected outside, the structure is simpler and more compact, the size can be manufactured to be smaller, the installation is convenient, and the problems in the prior art are solved; under normal conditions, because the pressure area of the upper end of the main valve core is larger than the pressure area of the lower end of the main valve core, the valve port is kept in a closed state, gas cannot directly flow to the gas outlet from the valve port, and gas in the buffer cavity slowly flows to the main valve cavity from the throttle hole, so that the gas pressure of the gas outlet is gradually increased until the downward pressure of the main valve core is smaller than the upward pressure, the valve port is opened, and the gas can quickly flow to the gas outlet from the valve port, so that a buffer effect is achieved on a working cylinder connected to the gas outlet; generally, the invention has the advantages of simple and compact structure, convenient installation, autonomous filtration and good filtration effect.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Shown in the figure: 1-a first valve body; 1.1-gas outlet; 1.2-valve port; 1.3-orifice; 1.4-vent hole; 2-an air filter; 21-a second valve body; 21.1-gas inlet; 21.2-filtration channel; 21.3-a second spring seat; 22-water storage cup; 23-a filter element; 24-a support column; 25-a water baffle; 26-a water discharger; 27-cyclone blades; 3-end cover; 3.1-a first spring seat; 4-a buffer chamber; 5-main valve cavity; 6-main valve core; 6.1-through holes; 7-a first spring; 8-sealing ring; 9-an exhaust valve core; 9.1-mounting a post; 10-a second spring; 11-a seal gasket; 12-Y shaped ring; 13-O-ring.
Detailed Description
For a more intuitive and complete understanding of the technical solution of the present invention, the following non-limiting features will now be described in conjunction with the accompanying drawings of the present invention:
as shown in fig. 1, an autonomous filtering type emergency buffer valve includes a first valve body 1, an air filter 2 disposed at the bottom of the first valve body 1, and an end cover 3 covering the top of the first valve body 1, where the air filter 2 includes a second valve body 21, a water storage cup 22, and a filter element 23, the second valve body 21 is disposed at the bottom of the first valve body 1, the water storage cup 22 is disposed on the second valve body 21, a support column 24 is disposed on the second valve body 21, a water baffle 25 is fixed at the bottom end of the support column 24, and the filter element 23 is disposed at the periphery of the support column 24 and located between the second valve body 21 and the water baffle 25;
a buffer cavity 4 is formed between the first valve body 1 and the second valve body 21, a main valve cavity 5 is formed between the first valve body 1 and the end cover 3, an air outlet 1.1 communicated with the main valve cavity 5 is formed in the first valve body 1, an air inlet 21.1 communicated with the water storage cup 22 is formed in the second valve body 21, and the inner side end of the air inlet 21.1 is positioned on the periphery of the filter element 23;
the buffer cavity 4 is communicated with the inner cavity of the filter element 23 through a filter passage 21.2, the main valve cavity 5 is communicated with the buffer cavity 4 through a valve port 1.2, and the main valve cavity 5 is also communicated with the buffer cavity 4 through a throttling hole 1.3;
main valve element 6 is slidably arranged in main valve cavity 5, main valve element 6 is in open-close fit with valve port 1.2, through hole 6.1 communicated with valve port 1.2 penetrates main valve element 6, and the pressure area of upper end of main valve element 6 is larger than the pressure area of lower end of main valve element 6.
Preferably, filter screens can be arranged in the air inlet 21.1 and the air outlet 1.1, so that the filtering effect is improved.
The bottom of the water storage cup 22 is provided with a water discharger 26, the outer side of the filter element 23 is provided with a plurality of cyclone blades 27 along the circumferential direction, and the water baffle 25 is in a horn shape with gradually increasing diameter from top to bottom; preferably, the filter element 23 has a hollow tubular shape.
Specifically, the water discharger 26 adopts a hand-pulled valve, so that the filtered sewage in the water storage cup 22 can be discharged manually; the support column 24 adopts a screw, the support column 24 penetrates through the center of the water baffle 25 and is in threaded connection with the bottom of the second valve body 21, and a gasket is pressed between the support column 24 and the water baffle 25.
A first spring 7 is arranged between the main valve core 6 and the end cover 3 in a propping manner, and the first spring 7 forces the lower end of the main valve core 6 to prop against the valve port 1.2; the end cover 3 is convexly provided with a first spring seat 3.1, a step is arranged in the through hole 6.1, one end of the first spring 7 is abutted against the first spring seat 3.1, and the other end of the first spring 7 is abutted against the step.
The lower end of the main valve core 6 is sleeved with a sealing ring 8 matched with the valve port 1.2; preferably, the surface of the sealing ring 8 matched with the valve port 1.2 is a conical surface to ensure the sealing property, and a Y-shaped ring 12 is arranged between the main valve element 6 and the side wall of the main valve cavity 5 to ensure the stable pressure of the upper end and the lower end of the main valve element 6 and avoid air leakage; the top end of the main valve core 6 is in sleeve fit with the end cover 3, and the top end of the main valve core 6 is sleeved with an O-shaped ring 13.
The main valve cavity 5 is communicated with the buffer cavity 4 through an exhaust hole 1.4, an exhaust valve core 9 for opening and closing the exhaust hole 1.4 is arranged in the buffer cavity 4, a second spring 10 is arranged between the exhaust valve core 9 and the second valve body 21 in a propping manner, and the exhaust valve core 9 is forced to close the exhaust hole 1.4 by the second spring 10.
A second spring seat 21.3 is convexly arranged on the second valve body 21, an installation column 9.1 is arranged on the exhaust valve core 9, one end of a second spring 10 is sleeved on the installation column 9.1, and the other end of the second spring 10 abuts against the second spring seat 21.3.
The exhaust valve core 9 is provided with a sealing gasket 11 which is in sealing fit with the exhaust hole 1.4.
The specific working principle of the invention is as follows: normally, under the elastic force of the first spring 7 and the second spring 10, the valve port 1.2 and the exhaust hole 1.4 are in a closed state; when gas is introduced from the gas inlet 21.1 and enters the water storage cup 22, the cyclone blades 27 rotate relatively under the action of air pressure, large-particle solid impurities, liquid water drops, oil drops and the like mixed in the air are thrown onto the inner side wall of the water storage cup 22 under the action of centrifugal force, the large-particle solid impurities, the liquid water drops, the oil drops and the like are settled and converged to the bottom along the wall surface under the action of gravity, the gas further filters solid particles through the filter element 23, and clean air flows into the buffer cavity 4 from the filter channel 21.2;
a part of gas in the buffer cavity 4 slowly flows into the main valve cavity 5 through the throttle hole 1.3, and finally flows to the connected working cylinder through the gas outlet 1.1, and the other part of gas flows to the upper end of the main valve core 6 through the valve port 1.2 and the through hole 6.1 in sequence, and under the action of gas pressure, because the pressure area at the upper end of the main valve core 6 is larger than the pressure area at the lower end of the main valve core 6, at the moment, the downward pressure of the main valve core 6 is larger than the upward pressure, so that the valve port 1.2 is more sealed, and under the action of the throttle hole 1.3, the gas pressure at the gas outlet 1.1 gradually rises until the downward pressure of the main valve core 6 is smaller than the upward pressure, and overcomes the elastic force of the first spring 7, so that the valve port 1.2 is opened, the gas quickly flows into the main valve cavity 5 from the valve port 1.2, and finally flows to the working cylinder from the gas outlet 1.1, and the working cylinder connected at the gas outlet 1.1 plays a buffer effect;
when the air inlet 21.1 stops supplying air, the downward pressure of the main valve core 6 is greater than the upward pressure again at this time, so that the valve port 1.2 is closed, the air outlet 1.1 has air pressure which is greater than the air pressure in the buffer cavity 4, so that the exhaust valve core 9 overcomes the elastic force of the second spring 10 to open the exhaust hole 1.4, and the air at the air outlet 1.1 passes through the exhaust hole 1.4, the buffer cavity 4 and the filtering channel 21.2 in sequence and is finally exhausted from the air inlet 21.1, thereby realizing pressure relief and exhaust.
The above description is only a preferred embodiment of the present invention, and all equivalent changes or modifications of the structure, characteristics and principles described in the present invention are included in the scope of the present invention.

Claims (9)

1. The utility model provides an emergent cushion valve of autonomic filtration formula which characterized in that: the water-saving water purifier comprises a first valve body (1), an air filter (2) arranged at the bottom of the first valve body (1) and an end cover (3) arranged at the top of the first valve body (1) in a covering mode, wherein the air filter (2) comprises a second valve body (21), a water storage cup (22) and a filter element (23), the second valve body (21) is arranged at the bottom of the first valve body (1), the water storage cup (22) is arranged on the second valve body (21), a support column (24) is arranged on the second valve body (21), a water baffle (25) is fixed at the bottom end of the support column (24), and the filter element (23) is arranged at the periphery of the support column (24) and is positioned between the second valve body (21) and the water baffle (25);
a buffer cavity (4) is formed between the first valve body (1) and the second valve body (21), a main valve cavity (5) is formed between the first valve body (1) and the end cover (3), a gas outlet (1.1) communicated with the main valve cavity (5) is formed in the first valve body (1), a gas inlet (21.1) communicated with the water storage cup (22) is formed in the second valve body (21), and the inner side end of the gas inlet (21.1) is located on the periphery of the filter element (23);
the buffer cavity (4) is communicated with the inner cavity of the filter element (23) through a filter channel (21.2), the main valve cavity (5) is communicated with the buffer cavity (4) through a valve port (1.2), and the main valve cavity (5) is also communicated with the buffer cavity (4) through a throttling hole (1.3);
a main valve core (6) is arranged in the main valve cavity (5) in a sliding manner, the main valve core (6) is matched with the valve port (1.2) in an opening and closing manner, a through hole (6.1) communicated with the valve port (1.2) penetrates through the main valve core (6), and the pressure area of the upper end of the main valve core (6) is larger than that of the lower end of the main valve core (6); a first spring (7) is arranged between the main valve core (6) and the end cover (3) in a propping manner, and the first spring (7) forces the lower end of the main valve core (6) to prop against the valve port (1.2); an O-shaped ring (13) is sleeved on the top end of the main valve core (6).
2. The emergency cushion valve of claim 1 wherein: the bottom of the water storage cup (22) is provided with a water discharger (26).
3. The emergency cushion valve of claim 1, further comprising: and a plurality of cyclone blades (27) are arranged on the outer side of the filter element (23) along the circumferential direction.
4. The emergency cushion valve of claim 1, further comprising: the water baffle (25) is in a horn shape with gradually increased diameter from top to bottom.
5. The emergency cushion valve of claim 1, further comprising: the end cover (3) is convexly provided with a first spring seat (3.1), a step is arranged in the through hole (6.1), one end of the first spring (7) is abutted against the first spring seat (3.1), and the other end of the first spring (7) is abutted against the step.
6. The emergency cushion valve of claim 1, further comprising: the lower end of the main valve core (6) is sleeved with a sealing ring (8) matched with the valve port (1.2).
7. The emergency cushion valve of any one of claims 1 to 4, wherein: the main valve cavity (5) is communicated with the buffer cavity (4) through an exhaust hole (1.4), an exhaust valve core (9) for opening and closing the exhaust hole (1.4) is arranged in the buffer cavity (4), a second spring (10) is arranged between the exhaust valve core (9) and the second valve body (21) in a propping manner, and the second spring (10) forces the exhaust valve core (9) to close the exhaust hole (1.4).
8. The emergency cushion valve of claim 7 wherein: the second valve body (21) is convexly provided with a second spring seat (21.3), an installation column (9.1) is arranged on the exhaust valve core (9), one end of a second spring (10) is sleeved on the installation column (9.1), and the other end of the second spring (10) abuts against the second spring seat (21.3).
9. The emergency cushion valve of claim 7, wherein: and a sealing gasket (11) which is in sealing fit with the exhaust hole (1.4) is arranged on the exhaust valve core (9).
CN202011171892.3A 2020-10-28 2020-10-28 Emergent buffer valve of autonomic filtration formula Active CN112483497B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011171892.3A CN112483497B (en) 2020-10-28 2020-10-28 Emergent buffer valve of autonomic filtration formula

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011171892.3A CN112483497B (en) 2020-10-28 2020-10-28 Emergent buffer valve of autonomic filtration formula

Publications (2)

Publication Number Publication Date
CN112483497A CN112483497A (en) 2021-03-12
CN112483497B true CN112483497B (en) 2023-03-10

Family

ID=74927223

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011171892.3A Active CN112483497B (en) 2020-10-28 2020-10-28 Emergent buffer valve of autonomic filtration formula

Country Status (1)

Country Link
CN (1) CN112483497B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117861327B (en) * 2024-02-27 2024-09-27 江苏云合新材料科技有限公司 High-efficient filter equipment is used in printing ink production and processing

Also Published As

Publication number Publication date
CN112483497A (en) 2021-03-12

Similar Documents

Publication Publication Date Title
CN112483497B (en) Emergent buffer valve of autonomic filtration formula
CN208651697U (en) A kind of three-way control valve of high sealing regulating flow quantity
CN214119066U (en) Outlet pressure control valve for refrigeration system
CN2872014Y (en) Guiding non-flowing pop safety valve
CN100465490C (en) Delay self-closing water-saving valve
CN213684747U (en) Emergent buffer valve of autonomic filtration formula
CN203500599U (en) Pressure reducing valve with filtering and backflow-prevention functions
CN103836237B (en) Fusiformis is adjustable non-return valve
CN205925167U (en) Throttle stop valve is filtered to clean formula
CN200996492Y (en) Self-closing time-delay water-saving valve
CN216407751U (en) Multi-stage noise reduction cage type regulating valve
CN115574143A (en) Pressure reducing valve with multi-stage pressure reducing structure
CN201428837Y (en) Check valve
CN201314386Y (en) Throttle stop venting valve
CN213088801U (en) Novel ball valve with filtering mechanism
CN210637514U (en) Stop dual-purpose valve with good filtering effect
CN209569357U (en) A kind of regulating valve of two-stage energy dissipating
CN210687024U (en) Take filtering capability's butterfly valve
CN220060541U (en) Series exhaust valve and mixer integrated device
CN208967110U (en) The adjustable push type motor-car faucet of water discharging time
CN202689091U (en) Water cut-off protector
CN201902612U (en) Multifunctional novel valve
CN211779188U (en) Filter device with pressure reduction and non-return functions
CN212360116U (en) Coarse particle water diaphragm pump isolating device
CN209725317U (en) A kind of valve seat construction realized low torque and can control sealing speed

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