CN213017924U

CN213017924U - Filtering scale-inhibiting safety valve

Info

Publication number: CN213017924U
Application number: CN202021494823.1U
Authority: CN
Inventors: 陈海峰
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-06-12
Filing date: 2020-07-24
Publication date: 2021-04-20
Anticipated expiration: 2030-07-24

Abstract

The utility model provides a filter and hinder dirty relief valve, including the valve body subassembly, the valve body subassembly includes the valve body, be equipped with the water inlet that communicates in proper order on the valve body, the intake antrum, go out water cavity and delivery port, one side of valve body is equipped with the pressure release chamber, it is equipped with water inlet assembly in the water cavity to go out, be equipped with the pressure release subassembly in the pressure release chamber, the both sides of valve body are provided with filtering component, filtering component is including straining a section of thick bamboo, filter core and filter screen, strain and be equipped with the filter chamber in the section of thick bamboo, filter chamber and intake antrum intercommunication, be equipped with magnetic part and cooperation piece in the intake antrum, the cooperation piece is installed on magnetic part, the filter core. The utility model discloses a filter and be equipped with magnet in the intake antrum of hindering dirty relief valve, can effectively completely cut off the iron impurity of aquatic, the filter core of filtering the intracavity contains the filter particle, can effectively clear away aquatic impurity, cooperates the filter screen to use simultaneously for the filter fineness wide range of relief valve can satisfy various application.

Description

Filtering scale-inhibiting safety valve

Technical Field

The utility model particularly relates to a filter and hinder dirty relief valve.

Background

Chinese patent document No. CN209012497U discloses a novel safety valve of an electric water heater in 2019, 6.21.2019, which comprises a valve body, wherein the valve body is provided with a water inlet cavity and a pressure relief cavity, the water inlet cavity is communicated with the pressure relief cavity, a pressure relief valve is arranged in the pressure relief cavity, the pressure relief valve comprises a cylinder body, a piston, a cylinder body fixing member, a return spring, a pressure regulating cap and a handle, the cylinder body is in sliding seal with the piston, a water outlet is arranged on the cylinder body, the cylinder body fixing member is arranged at the tail end of the cylinder body, and the piston is connected with the handle at the tail end of the. The safety valve of the water heater is not provided with a filter, and because the water entering the safety valve contains impurities, particularly iron impurities, the impurities can be deposited at the sealing position of the safety valve after entering the safety valve, and the safety valve is restored and then is poorly sealed, so that water leakage is caused.

Therefore, further improvements are needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a simple structure, can effectively get rid of impurity, pressure differential are low, the filter fineness wide range, the convenient filtration of installation hinders dirty relief valve to overcome the weak point among the prior art.

A filter safety valve that hinders dirty according to this purpose design, including valve body assembly, valve body assembly includes the valve body, is equipped with the water inlet, the intake antrum that communicate in proper order, goes out water cavity and delivery port on the valve body, and one side of valve body is equipped with the pressure release chamber, and the pressure release chamber communicates with play water cavity, goes out the intracavity and is equipped with the subassembly of intaking, is equipped with pressure release subassembly, its characterized in that in the pressure release chamber: the filter assembly is arranged on two sides of the valve body and comprises a filter cylinder, a filter element and a filter screen, a filter cavity is arranged in the filter cylinder and is communicated with the water inlet cavity, a magnetic component and a matching piece are arranged in the water inlet cavity, the matching piece is arranged on the magnetic component, the filter element is arranged in the filter cavity, two ends of the matching piece are respectively connected with the filter element, and the filter screen is arranged on the upper side and the lower side of the joint of the filter element and the matching piece.

The filter element is provided with filter particles, the magnetic part is a magnet, and the matching sheet is sleeved on the magnet.

The water inlet assembly comprises a water inlet valve core, a valve sleeve, a pressure relief spring, a pressure relief valve rod and a gasket, the valve sleeve is in threaded connection with the pressure relief valve rod, the water inlet spring is sleeved on the upper portion of the water inlet valve core, one end of the water inlet spring elastically acts on the valve body, the other end of the water inlet spring elastically acts on the water inlet valve core, and the water inlet assembly does reset motion relative to the valve body under the elastic action of the water inlet spring so as to elastically seal the water outlet cavity.

The water inlet valve core is provided with an inner relief hole communicated with the water inlet cavity, the relief valve rod penetrates through the inner relief hole in a sliding mode, one end of the relief valve rod is provided with a relief head, and the gasket is arranged between the relief head and the water inlet valve core; one end of the pressure relief spring elastically acts on the valve sleeve, and the other end of the pressure relief spring elastically acts on the water inlet valve core; the pressure relief valve rod moves in a reset mode relative to the valve body under the action of the elastic force of the pressure relief spring, so that the gasket seals the inner pressure relief hole, and the water outlet cavity and the filter cavity are cut off.

A guide ring is arranged in the water outlet cavity, the pressure relief valve rod penetrates through the guide ring, a water through hole is formed in the guide ring, and the water outlet is communicated with the water outlet cavity through the water through hole; an inner leakage wall nut is arranged at the bottom of the water outlet cavity, is in threaded connection with the valve body and is provided with a first sealing ring between the valve body and the inner leakage wall nut, and the inner leakage wall nut is positioned at the bottom side of the pressure relief valve rod.

The pressure relief assembly comprises a pressure relief pull rod, a pressure relief valve core, a first gasket and a second gasket, a pressure regulating spring and a pressure regulating wall nut are sleeved on the periphery of the pressure relief pull rod, one end of the pressure regulating spring elastically acts on the pressure relief valve core, the other end of the pressure regulating spring elastically acts on the pressure regulating wall nut, and the pressure relief pull rod performs reset motion relative to the valve body under the elastic action of the pressure regulating spring so as to regulate the medium pressure in the valve body; the bottom of the pressure relief cavity is provided with a pressure relief opening; an insert is arranged between the water outlet cavity and the pressure relief cavity, and the first gasket and the second gasket are arranged between the pressure relief valve core and the insert.

One end of the pressure relief cavity is provided with a water sealing cover, one side of the water sealing cover is provided with a handle, and the pressure relief pull rod penetrates through the water sealing cover and then is connected with the handle through a clamping piece; the periphery cover of water-tight lid is equipped with second sealing washer and third sealing washer, is equipped with between water-tight lid and the handle and leads to the finger.

The valve body assembly further comprises a water outlet nut and a nut matching ring, the water outlet nut is connected to the water outlet in a threaded mode, and the nut matching ring is arranged between the valve body and the water outlet nut.

One end of the filter cylinder is provided with clamping ribs, one end of the filter element is clamped between the clamping ribs, the filter element divides the filter cavity into an upper filter cavity and a lower filter cavity, correspondingly, the water inlet cavity is divided into an upper water inlet cavity and a lower water inlet cavity by the matching sheet, water passing gaps are arranged between the clamping ribs, the filter element and the inner wall of the filter cylinder, the water inlet is communicated with the lower water inlet cavity, the lower water inlet cavity is communicated with the lower filter cavity, the lower filter cavity is communicated with the upper filter cavity through holes of the clamping ribs, the water passing gaps are communicated with the upper filter cavity, the upper filter cavity is communicated with the upper water inlet cavity, and.

The filter cartridge is installed on the valve body through the filter element nut, the filter element nut is in threaded connection with the valve body, and a fourth sealing ring is arranged among the filter cartridge, the filter element nut and the valve body.

The utility model discloses a filter scale inhibition relief valve's intake antrum is equipped with magnet, and rivers are through this magnet after, and magnet can effectively isolate the iron impurity in aqueous, and the filter core in the filter chamber contains the filter particle, can effectively clear away aquatic impurity, cooperates the filter screen to use simultaneously, makes the wide range of filtering precision of relief valve, and the selectivity is big, can satisfy various application scenarios, and the filter core circulation is big, the pressure differential is low, long service life, it is convenient to change; the safety valve has the advantages of accurate and reliable action, good sealing performance, sensitive action, large discharge amount and novel appearance, and can meet the requirements easily by opening and closing the pressure difference, thereby greatly improving the user experience.

Drawings

Fig. 1 is an exploded view of a safety valve according to an embodiment of the present invention.

Fig. 2 is a sectional view of a safety valve according to an embodiment of the present invention.

Fig. 3 is a cross-sectional view of another aspect of a safety valve according to an embodiment of the present invention.

Fig. 4 is a schematic view of the overall structure of a filter cartridge according to an embodiment of the present invention.

Fig. 5 is a sectional view of a part of the valve body assembly according to an embodiment of the present invention.

Fig. 6 is a sectional exploded view of a portion of a valve body assembly according to an embodiment of the present invention.

Fig. 7 is a cross-sectional view of a water inlet assembly according to an embodiment of the present invention.

Fig. 8 is a cross-sectional view of a pressure relief assembly according to an embodiment of the present invention.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and examples.

Referring to fig. 1-8, the filtering and scale inhibiting safety valve comprises a valve body assembly D, the valve body assembly D comprises a valve body 22, the valve body 22 is provided with a water inlet 22.1 and a water inlet cavity 22.2 which are communicated in sequence, a water outlet cavity 22.4 and a water outlet 22.3, wherein a pressure relief cavity 22.5 is arranged on one side of the valve body 22, the pressure relief cavity 22.5 is communicated with the water outlet cavity 22.4, a water inlet component A is arranged in the water outlet cavity 22.4, a pressure relief component B is arranged in the pressure relief cavity 22.5, filter components C are arranged on two sides of the valve body 22, each filter component C comprises a filter cartridge 19, a filter element 18 and a filter screen 13, a filter cavity 19.1 is arranged in the filter cartridge 19, the filter cavity 19.1 is communicated with the water inlet cavity 22.2, a magnetic component 14 and a matching sheet 15 are arranged in the water inlet cavity 22.2, the matching sheet 15 is arranged on the magnetic component 14, the filter element 18 is arranged in the filter cavity 19.1, two ends of the matching sheet 15 are respectively connected with the filter element 18, and the filter. The filtering and scale inhibiting safety valve is a product combining a common safety valve and a filter, the safety valve is automatically closed according to the working pressure of a pressure system and is generally installed on a pipeline to be protected, when the pressure in the pipeline exceeds the set pressure of the safety valve, the pressure relief is automatically or manually opened, the medium pressure in the pipeline is ensured to be below the set pressure, the normal work of the pipeline is protected, and accidents are prevented; the filter is used for cleaning impurities in water, the product can protect pipelines and clean dirt on tap water, and impurities can be prevented from entering a sealing position inside the safety valve to cause poor sealing of the safety valve.

Be equipped with the filter particle on the filter core 18, magnetic part 14 is magnet, and the cooperation piece 15 suit is on magnet, and the filter particle can effectively clear away aquatic impurity, and iron impurity in the magnet can isolated aquatic.

The water inlet component A comprises a water inlet valve core 27, a valve sleeve 25, a pressure relief spring 26, a pressure relief valve rod 29 and a gasket 28, the valve sleeve 25 is in threaded connection with the pressure relief valve rod 29, the upper portion of the water inlet valve core 27 is sleeved with the water inlet spring 24, the top end of the water inlet spring 24 elastically acts on the valve body 22, the bottom end of the water inlet spring elastically acts on the water inlet valve core 27, and the water inlet component A does reset movement relative to the valve body 22 under the elastic force action of the water inlet spring 24 so as to elastically seal the water outlet cavity 22.4. The water inlet component can effectively prevent water in the valve body 22 from flowing backwards in normal use; function of the valve sleeve 25: when the pressure relief valve rod 29 moves to a certain position, the pressure relief head opens the inner pressure relief hole, at the moment, the valve sleeve 25 acts on the water inlet valve core 27 in a limiting manner, so that the pressure relief valve rod 29 cannot slide downwards continuously, and the maximum stroke of the pressure relief valve rod 29 can be effectively controlled.

An inner relief hole communicated with the water inlet cavity 22.2 is formed in the water inlet valve core 27, a relief valve rod 29 penetrates through the inner relief hole in a sliding mode, a relief head is arranged at one end of the relief valve rod 29, a gasket 28 is arranged between the relief head and the water inlet valve core 27, and the gasket 28 is made of a silica gel material; the top end of the pressure relief spring 26 elastically acts on the valve sleeve 25, and the bottom end elastically acts on the water inlet valve core 27; the pressure relief valve rod 29 performs reset motion relative to the valve body 22 under the elastic force of the pressure relief spring 26, so that the gasket 28 seals the inner pressure relief hole, and the water outlet cavity 22.4 and the filter cavity 19.1 are cut off; when the interior of the valve body 22 is in a negative pressure state, the pressure relief head on the pressure relief valve rod 29 opens the internal pressure relief hole to realize internal pressure relief.

A guide ring 23 is arranged in the water outlet cavity 22.4, the pressure relief valve rod 29 penetrates through the guide ring 23, a water through hole is formed in the guide ring 23, and the water outlet 22.3 is communicated with the water outlet cavity 22.4 through the water through hole; an inner leakage wall nut 31 is arranged at the bottom of the water outlet cavity 22.4, the inner leakage wall nut 31 is connected with the valve body 22 through threads, a first sealing ring 30 is arranged between the inner leakage wall nut 31 and the valve body 22, and the inner leakage wall nut 31 is positioned at the bottom side of the pressure relief valve rod 29.

The pressure relief assembly B comprises a pressure relief pull rod 10, a pressure relief valve core 9, a first gasket 11 and a second gasket 12, a pressure regulating spring 8 and a pressure regulating wall nut 7 are sleeved on the periphery of the pressure relief pull rod 10, one end of the pressure regulating spring 8 elastically acts on the pressure relief valve core 9, the other end of the pressure regulating spring elastically acts on the pressure regulating wall nut 7, and the pressure relief pull rod 10 performs reset motion relative to the valve body 22 under the elastic force action of the pressure regulating spring 8 so as to regulate the medium pressure in the valve body 22; the bottom of the pressure relief cavity 22.5 is provided with a pressure relief opening 22.6; an insert is arranged between the water outlet cavity 22.4 and the pressure relief cavity 22.5, the first gasket 11 and the second gasket 12 are arranged between the pressure relief valve core 9 and the insert, and the second gasket 12 is made of a silica gel material.

One end of the pressure relief cavity 22.5 is provided with a water sealing cover 4, one side of the water sealing cover 4 is provided with a handle 2, and the pressure relief pull rod 10 penetrates through the water sealing cover 4 and then is connected with the handle 2 through a clamping piece 1; the periphery cover of water-tight lid 4 is equipped with second sealing washer 6 and third sealing washer 5, is equipped with between water-tight lid 4 and the handle 2 and indicates 3. As shown in fig. 3, when the internal pressure of the safety valve is too high, the handle 2 is pulled off, the handle 2 drives the pressure relief pull rod 10 to move to the right, and further drives the whole pressure relief assembly B to move to the right, at this time, the water outlet cavity 22.4 is communicated with the pressure relief cavity 22.5, and water flows into the water outlet cavity 22.4 and then is discharged out of the safety valve through the pressure relief port 22.6.

The valve body assembly D also comprises a water outlet nut 20 and a nut matching ring 21, the water outlet nut 20 is screwed on the water outlet 22.3, and the nut matching ring 21 is arranged between the valve body 22 and the water outlet nut 20; the water outlet nut 20 is a movable nut, so that the installation is convenient.

One end of the filter cylinder 19 is provided with a clamping rib 19.2, one end of the filter element 18 is clamped between the clamping ribs 19.2, the filter element 18 divides the filter cavity 19.1 into an upper filter cavity and a lower filter cavity, correspondingly, the water inlet cavity 22.2 is divided into an upper water inlet cavity and a lower water inlet cavity by the matching sheet 15, a water passing gap 19.3 is arranged between the clamping rib 19.2 and the inner wall of the filter cylinder 18, the water inlet 22.1 is communicated with the lower water inlet cavity, the lower water inlet cavity is communicated with the lower filter cavity, the lower filter cavity is communicated with the upper filter cavity through a through hole of the clamping rib 19.2 and the water passing gap 19.3, the upper filter cavity is communicated with the upper water inlet cavity, and the upper water inlet cavity is communicated with the water. As shown in figure 2, when the safety valve works, water flows from bottom to top and enters the lower water inlet cavity through the water inlet 22.1, when water flows through the magnet, the magnet adsorbs iron element impurities in the water, then the water flows into the lower filtering cavity, when the water flows through the filter screen 13 in the lower filtering cavity, the filter screen 13 isolates most of the impurities in the water, the isolated water flows to the filter element 18, the filter element 18 filters the water again, the filtered water enters the upper filtering cavity through the through holes of the clamping ribs 19.2 and the water passing gaps 19.3, then passes through the filter screen 13 again (the step can further filter the water flow), enters the upper water inlet cavity after passing through the filter screen 13 (the iron element impurities in the water are adsorbed by the magnet again), when the water pressure of the upper water inlet cavity reaches a certain degree, the water inlet assembly A drives the water inlet spring 24 to lift upwards, at the moment, the upper water inlet cavity is communicated with the water outlet cavity 22.4, and water flows into the water outlet cavity 22.4 and then flows out of the safety valve through the water outlet 22.3.

The filter cartridge 19 is mounted on the valve body 22 through the filter core nut 17, the filter core nut 17 is in threaded connection with the valve body 22, and the fourth sealing ring 16 is arranged among the filter cartridge 19, the filter core nut 17 and the valve body 22.

The foregoing is a preferred embodiment of the present invention showing and describing the basic principles, main features and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are intended to illustrate the principles of the invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention, and the scope of the invention is to be protected. The scope of the invention is defined by the appended claims and their equivalents 21.

Claims

1. The utility model provides a filter and hinder dirty relief valve, includes valve body component (D), valve body component (D) includes valve body (22), is equipped with water inlet (22.1), intake antrum (22.2), play water cavity (22.4) and delivery port (22.3) that communicate in proper order on valve body (22), and one side of valve body (22) is equipped with pressure release chamber (22.5), pressure release chamber (22.5) and play water cavity (22.4) intercommunication, are equipped with into water subassembly (A) in play water cavity (22.4), are equipped with pressure release subassembly (B) in pressure release chamber (22.5), its characterized in that: the filter assembly (C) is arranged on two sides of the valve body (22) and comprises a filter cylinder (19), a filter element (18) and a filter screen (13), a filter cavity (19.1) is arranged in the filter cylinder (19), the filter cavity (19.1) is communicated with a water inlet cavity (22.2), a magnetic component (14) and a matching sheet (15) are arranged in the water inlet cavity (22.2), the matching sheet (15) is arranged on the magnetic component (14), the filter element (18) is arranged in the filter cavity (19.1), two ends of the matching sheet (15) are respectively connected with the filter element (18), and the filter screen (13) is arranged on the upper side and the lower side of the joint of the filter element (18) and the matching sheet (15).

2. The filtration scale inhibition and safety valve of claim 1, wherein: the filter element (18) is provided with filter particles, the magnetic part (14) is a magnet, and the matching sheet (15) is sleeved on the magnet.

3. The filtration scale inhibition and safety valve of claim 2, wherein: the water inlet assembly (A) comprises a water inlet valve core (27), a valve sleeve (25), a pressure relief spring (26), a pressure relief valve rod (29) and a gasket (28), the valve sleeve (25) is in threaded connection with the pressure relief valve rod (29), the upper portion of the water inlet valve core (27) is sleeved with the water inlet spring (24), one end of the water inlet spring (24) elastically acts on the valve body (22), the other end of the water inlet spring elastically acts on the water inlet valve core (27), and the water inlet assembly (A) does reset motion relative to the valve body (22) under the elastic action of the water inlet spring (24) so as to elastically seal the water outlet cavity (22.4).

4. The filtration scale inhibition and safety valve of claim 3, wherein: an inner relief hole communicated with the water inlet cavity (22.2) is formed in the water inlet valve core (27), a relief valve rod (29) penetrates through the inner relief hole in a sliding mode, a relief head is arranged at one end of the relief valve rod (29), and a gasket (28) is arranged between the relief head and the water inlet valve core (27); one end of the pressure relief spring (26) elastically acts on the valve sleeve (25), and the other end elastically acts on the water inlet valve core (27); the pressure relief valve rod (29) performs reset motion relative to the valve body (22) under the action of the elastic force of the pressure relief spring (26) so that the gasket (28) seals the inner pressure relief hole, and the water outlet cavity (22.4) and the filter cavity (19.1) are cut off.

5. The filtration scale inhibition and safety valve of claim 4, wherein: a guide ring (23) is arranged in the water outlet cavity (22.4), the pressure relief valve rod (29) penetrates through the guide ring (23), a water through hole is formed in the guide ring (23), and the water outlet (22.3) is communicated with the water outlet cavity (22.4) through the water through hole; an inner leakage wall nut (31) is arranged at the bottom of the water outlet cavity (22.4), the inner leakage wall nut (31) is connected with the valve body (22) through threads, a first sealing ring (30) is arranged between the inner leakage wall nut (31) and the valve body (22), and the inner leakage wall nut (31) is positioned at the bottom side of the pressure relief valve rod (29).

6. The filtration scale inhibition and safety valve of claim 5, wherein: the pressure relief assembly (B) comprises a pressure relief pull rod (10), a pressure relief valve core (9), a first gasket (11) and a second gasket (12), a pressure regulating spring (8) and a pressure regulating wall nut (7) are sleeved on the periphery of the pressure relief pull rod (10), one end of the pressure regulating spring (8) elastically acts on the pressure relief valve core (9), the other end of the pressure regulating spring (8) elastically acts on the pressure regulating wall nut (7), and the pressure relief pull rod (10) performs reset motion relative to the valve body (22) under the elastic force action of the pressure regulating spring (8) so as to regulate the medium pressure in the valve body (22); the bottom of the pressure relief cavity (22.5) is provided with a pressure relief opening (22.6); an insert is arranged between the water outlet cavity (22.4) and the pressure relief cavity (22.5), and the first gasket (11) and the second gasket (12) are arranged between the pressure relief valve core (9) and the insert.

7. The filtration scale inhibition and safety valve of claim 6, wherein: one end of the pressure relief cavity (22.5) is provided with a water sealing cover (4), one side of the water sealing cover (4) is provided with a handle (2), and the pressure relief pull rod (10) penetrates through the water sealing cover (4) and is connected with the handle (2) through a clamping piece (1); the periphery cover of water-sealing cover (4) is equipped with second sealing washer (6) and third sealing washer (5), is equipped with between water-sealing cover (4) and handle (2) and mediates and indicates (3).

8. The filtration scale inhibition and safety valve of claim 7, wherein: the valve body assembly (D) further comprises a water outlet nut (20) and a nut matching ring (21), the water outlet nut (20) is in threaded connection with the water outlet (22.3), and the nut matching ring (21) is arranged between the valve body (22) and the water outlet nut (20).

9. The filtration scale inhibition and safety valve of claim 1, wherein: one end of the filter cylinder (19) is provided with a clamping rib (19.2), one end of the filter element (18) is clamped between the clamping ribs (19.2), the filter element (18) divides the filter cavity (19.1) into an upper filter cavity and a lower filter cavity, correspondingly, the matching sheet (15) divides the water inlet cavity (22.2) into an upper water inlet cavity and a lower water inlet cavity, a water passing gap (19.3) is arranged between the clamping rib (19.2) and the inner wall of the filter element (18) and the filter cylinder (19), the water inlet (22.1) is communicated with the lower water inlet cavity, the lower water inlet cavity is communicated with the lower filter cavity, the lower filter cavity is communicated with the upper filter cavity through a through hole of the clamping rib (19.2) and the water passing gap (19.3), the upper filter cavity is communicated with the upper water inlet cavity, and the upper water inlet cavity is communicated with the water outlet cavity.

10. The filtration scale inhibition and safety valve of claim 1, wherein: the filter cartridge (19) is installed on the valve body (22) through the filter core nut (17), the filter core nut (17) is in threaded connection with the valve body (22), and a fourth sealing ring (16) is arranged among the filter cartridge (19), the filter core nut (17) and the valve body (22).