CN208107250U - Safety valve and water heater - Google Patents

Abstract

The utility model proposes a kind of safety valve and water heaters.Safety valve includes valve body, and the flow cavity flowed through for liquid is equipped in valve body, and flow cavity is equipped with inlet and outlet；Valve body is equipped with filter chamber in one end close to water inlet, and inlet and outlet are connected to by filter chamber, filter chamber equipped with the opening portion being in communication with the outside；Filter device is equipped in filter chamber, filter device includes filtration members, magnetic force piece and filtering cover；Filtration members are arranged in filter chamber；Filtering cover and valve casing are detachably connected to be opened and closed opening portion；Magnetic force piece is arranged on filtering cover, and is extended to the in filter chamber.The safety valve of the utility model can adsorb the magnetic impurity in water, it is avoided to fall, and convenient for the cleaning to adsorbed impurity.

Description

Safety valve and water heater

Technical field

The utility model relates to household appliance technical field more particularly to a kind of safety valves and water heater.

Background technique

Safety valve is one of the essential element of pressure-bearing type electric heater, and main function is the use peace for protecting water heater Entirely.When tap water water inlet or excessively high water heater inside water pressure, releasing pressure automatically is understood to guarantee the safety of water heater.Existing safety Valve base sheet sets filter device without interior, and the impurity particle object in water inlet can enter inside safety valve, thus, cause safety valve to seal It is not tight, it will lead to leak when serious or do not have the safeguard protection effect of pressure release.Meanwhile these impurity also can enter heat with water inlet Hydrophone may be enriched in water heater or flow out with user's shower water outlet, be used for a long time, can cause to the water safety of user It threatens.

Currently, used filter type is that filter screen is arranged inside the plastic spacer of admitting pipe joint part.But Shim size is smaller (outer diameter about 20mm, internal diameter about 10mm), if a filter screen is arranged in the region of internal diameter 10mm, then filtering The surface area meeting very little of net, about 0.785cm2.And the water flow that water heater requires is bigger, generally higher than 8L/min.Due into The water flux entered inside water heater is big, needs water route unobstructed, it requires that the aperture of strainer cannot be too small, in order to avoid blocking water route, Cause water heater can not normal use.

Utility model content

The utility model embodiment provides a kind of safety valve and water heater, with solve or alleviate one in the prior art or Multiple technical problems at least provide a kind of beneficial selection or create conditions.

In order to realize the above object, one aspect according to the present utility model, the utility model embodiment provides one Kind safety valve, including valve body, the valve body is interior to be equipped with the flow cavity flowed through for liquid, and the flow cavity is equipped with water inlet and out The mouth of a river；

The valve body is equipped with filter chamber in one end close to the water inlet, and the water inlet and the water outlet pass through institute It states filter chamber and is connected to, the filter chamber is equipped with the opening portion being in communication with the outside；

Filter device is equipped in the filter chamber, the filter device includes filtration members, magnetic force piece and filtering cover；

The filtration members are arranged in the filter chamber；The filtering cover and the valve casing are detachably connected described in opening and closing Opening portion；The magnetic force piece is arranged on the filtering cover, and extends in the filter chamber.

Preferably or optionally, the flow cavity extends along the vertical direction, the water inlet and the water outlet edge respectively The both ends of the flow cavity are arranged in vertical direction；

The filter chamber is obliquely installed upwards, and the upper end of the filter chamber is arranged in the opening portion；

The filter chamber is equipped with the water entering section towards the water inlet, and the outlet part towards the water outlet；It is described Water inlet is connected to by the water entering section with the outlet part with the water outlet.

Preferably or optionally, the flow cavity is horizontally extending and is folded upward at, and the water inlet is arranged in institute The end that flow cavity is located in horizontal direction is stated, the end of the bending is arranged in the water outlet；

The filter chamber tilts down setting, and the lower end of the filter chamber is arranged in the opening portion；

The filter chamber is equipped with the water entering section towards the water inlet, and the outlet part towards the water outlet；It is described Water inlet is connected to by the water entering section with the outlet part with the water outlet.

Preferably or optionally, the valve body close to the water outlet one end be equipped with outer urocoel, the outer urocoel with The flow cavity connection, the outer urocoel are equipped with the outer drain port being in communication with the outside；

Be equipped in the flow cavity it is interior let out device, described leak intracavitary is equipped with leakage device.

Preferably or optionally, the filtration members are cylindrical；At filtration members position corresponding with the opening portion For closing structure, the filtration members are equipped with open ports in position corresponding with the water entering section；Liquid by the open ports into Enter in the filtration members.

Preferably or optionally, the filtration members are reticular structure.

Preferably or optionally, the filtration members use stainless (steel) wire or nylon wire.

Preferably or optionally, the mesh number range of mesh is -200 mesh of 5 mesh in the filtration members.

Preferably or optionally, the valve body is made of transparent material.

Preferably or optionally, the angular range that the filter chamber is inclined outwardly upwards relative to vertical direction is 15 degree- 75 degree.

Preferably or optionally, the filter chamber relative to horizontal direction downwardly and outwardly inclined angular range be 30 degree- 60 degree.

Another aspect according to the present utility model, the utility model embodiment provide a kind of water heater, including above-mentioned peace Full valve.

Some technical solutions in above-mentioned technical proposal have the following advantages that or beneficial effect, can adsorb the magnetism in water Impurity avoids it from falling, and convenient for the cleaning to adsorbed impurity.

Above-mentioned general introduction is merely to illustrate that the purpose of book, it is not intended to be limited in any way.Except foregoing description Schematical aspect, except embodiment and feature, by referring to attached drawing and the following detailed description, the utility model is into one Aspect, embodiment and the feature of step, which will be, to be readily apparent that.

Detailed description of the invention

In the accompanying drawings, unless specified otherwise herein, otherwise indicate the same or similar through the identical appended drawing reference of multiple attached drawings Component or element.What these attached drawings were not necessarily to scale.It should be understood that these attached drawings are depicted only according to originally practical Novel disclosed some embodiments, and should not be taken as the limitation to the scope of the utility model.

Fig. 1 is the structural schematic diagram of the safety valve of the utility model in one embodiment；

Fig. 1 a is the structural schematic diagram of the safety valve of the utility model in another embodiment

Fig. 2 be the utility model safety valve in one embodiment, the structural schematic diagram under filter device decomposing state；

Fig. 3 be the utility model safety valve in another embodiment, the structural representation under filter device decomposing state Figure；And

Fig. 4 is the portion the A enlarged drawing in Fig. 1 and Fig. 1 a.

Specific embodiment

Hereinafter, certain exemplary embodiments are simply just described.As one skilled in the art will recognize that Like that, without departing from the spirit or scope of the present utility model, it can be modified by various different modes described real Apply example.Therefore, attached drawing and description are considered essentially illustrative rather than restrictive.

The utility model in a first aspect, providing a kind of safety valve.

Below with reference to Fig. 1 to Fig. 4, the safety valve of the utility model is illustrated.

Shown in Figure 1, in one embodiment, the safety valve of the utility model includes valve body 1 and is arranged in valve body 1 Flow cavity 11.Flow cavity 11 is equipped with water inlet 101 and water outlet 102, and valve body 1 is additionally provided in one end close to water inlet 101 Filter chamber 12.Wherein, water inlet 101 is connected to water outlet 102 by filter chamber 12.

Wherein, filter device 2 is equipped in filter chamber 12, filter device 2 includes filtration members 201, magnetic force piece 202 and filtering cover 203.Wherein, filtration members 201 are arranged in the inner wall of filter chamber 12, filtering cover 203 and are connected on valve casing 1, and magnetic force piece 202 is arranged On filtering cover 203, and it is extended to the in filter chamber 12.

Referring to shown in Fig. 1 or Fig. 1 a, the arrow in figure indicates that liquid enters the flow direction in valve body 1.When liquid passes through When crossing water inlet 101 and flowing into filter chamber 12, since magnetic force piece 202 is extended to the among filter chamber 12, it can adsorb in liquid Magnetic impurity, such as：Iron rust, iron wire etc. realize the primary filtering to liquid.Later, liquid to flow cavity 11 when flowing, meeting By being bonded fixed filtration members 201 with the inner wall of filter chamber 12, the other impurities particulate matter in liquid is further removed, is realized To the secondary filter of liquid.To, flowing into liquid in flow cavity 11 is clean liquid, avoid impurity particle object into The inside for entering valve body 1 ensure that the leakproofness of safety valve.Simultaneously as magnetic force piece 202 has adsorbed magnetic impurity, avoid There is no liquid into when crossing safety valve, impurity is fallen back into the mouth of a river 101, blocks the generation of 101 phenomenon of water inlet.

Preferably, filtering cover 203 and valve casing 1 are detachably connected to be opened and closed opening portion 121.In this way, when discovery filtration members 201 When the impurity of retention is excessively or the flux of liquid becomes smaller, filtering cover 203 can be split out, filtration members 201 and magnetic force piece 202 are taken Out, scrubbed using brush, after the completion of scrub, filtration members 201 and magnetic force piece 202 can be reinstalled, can continue to using.

In one embodiment, as shown in Figure 1, flow cavity 11 extends along the vertical direction, water inlet 101 and water outlet 102 It is arranged vertically at the both ends of flow cavity 11 respectively.Filter chamber 12 is obliquely installed upwards, and opening portion 121 is arranged in filter chamber 12 upper end.Preferably, filter chamber 12 is 15 degree of -75 degree relative to the angular range that vertical direction is inclined outwardly upwards, in this way, Not only facilitate and take out the operation of filter device 2, but also can be effectively prevented and drip.Certainly, filter chamber 12 relative to vertical direction to On the angle that is inclined outwardly be not limited to that, can be any angle.

Further, filter chamber 12 is equipped with the water entering section 1201 towards water inlet 101, and going out towards water outlet 102 Water portion 1202.Wherein, water inlet 101 is connected to by water entering section 1201 with outlet part 1202 with water outlet 102.Also, it filters Chamber 12 is additionally provided with the opening portion 121 being in communication with the outside.The upper end of filter chamber 12 is arranged in opening portion 121, in this way, convenient for user from Filter device 2 is taken out in opening portion 121.

Referring to shown in Fig. 1 a, in another embodiment, flow cavity 11 is horizontally extending and is folded upward at；At this point, The end that flow cavity 11 is located in horizontal direction is arranged in water inlet 101, and the end of the bending is arranged in water outlet 102.It crosses Filter chamber 12 tilts down setting, and the lower end of filter chamber 12 is arranged in opening portion 121.Preferably, filter chamber 12 is relative to level side It is 30 degree of -60 degree to downwardly and outwardly inclined angular range, in this way, convenient for taking out filter device 2 from filter chamber 12.Certainly, Downwardly and outwardly inclined angle is not limited to that filter chamber 12 relative to horizontal direction, can be any angle.

Further, filter chamber 12 is equipped with the water entering section 1201 towards water inlet 101, and going out towards water outlet 102 Water portion 1202.Wherein, water inlet 101 is connected to by water entering section 1201 with outlet part 1202 with water outlet 102.Also, it filters Chamber 12 is additionally provided with the opening portion 121 being in communication with the outside.The lower end of filter chamber 12 is arranged in opening portion 121, in this way, convenient for user from Filter device 2 is taken out in opening portion 121.

Referring to shown in Fig. 1 and Fig. 1 a, valve body 1 is made of transparent material.In this way, can be convenient user observes filter device 2 To the retention situation of impurity, it is convenient for the timely cleaning and filtrating equipment when impurity trapped is excessive.Certainly, valve body 1 can also be only in mistake At the position of filter chamber 12, outer wall is arranged to transparence.

Shown in Figure 2, in one embodiment, filtration members 201 are cylindrical.Wherein, filtration members 201 and opening portion It is closing structure at 121 corresponding positions, filtration members 201 are equipped with open ports 2011 in position corresponding with water entering section 1201.This Sample, the liquid flowed by water inlet 101 can be entered in filter chamber 12 by open ports 2011.

In conjunction with referring to shown in Fig. 3, open ports 2011 can also be in half open state.The open ports of half open state can stop The biggish impurity of volume in liquid plays the role of preliminary removal of impurities to the liquid for flowing into filter chamber 12.

Shown in referring to figs. 2 and 3, in one embodiment, filtration members 201 are reticular structure, convenient for preferably realizing Filter effect.Preferably, filtration members 201 can use stainless (steel) wire or nylon wire, be not only convenient for manufacturing and will not corroding, Guarantee water safety.

It is further preferred that the mesh number range of mesh is -200 mesh of 5 mesh in filtration members 201, that is, often put down in filtration members 201 The range of the number of perforations of square inch is 5-200.The mesh of mesh in filtration members 201 can be specifically set according to the requirement to water quality Number, to reach defined filtering requirement.

For example, area lower for certain water quality requirements or that large granular impurity is more, can preferentially using mesh number compared with Small filter screen improves filter effect and extends filter screen so as to effectively filter out the large granular impurity in water Use the time；Area higher for certain water quality requirements or that water small particles impurity is more, then it is preferentially larger using mesh number Filter screen guarantee filter effect to effectively filter out the little particle impurity in water.

It should be noted that the orientation such as "front", "rear" as described herein, "upper", "lower" are for the convenience of description and set, and It is not centainly to be completely corresponded up and down with front and back spatially in actual work.

Referring to shown in Fig. 1, Fig. 1 a and Fig. 4, in a kind of embodiment, valve body 1 is equipped in one end close to water outlet 102 and leaks Chamber 13.Outer urocoel 13 is connected to flow cavity 11, and outer urocoel 13 is equipped with the outer drain port 103 being in communication with the outside.Wherein, flow cavity 11 It is interior to let out device 3 equipped with interior, leakage device 4 is equipped in outer urocoel 13.

In one embodiment, specifically, water inlet 101 connects the water inlet end of water heater, and water outlet 102 connects water heater Liner.Inside let out device 3 and leakage device 4 can variation hydraulic according to liner and intake pressure, realize water heater into Water, interior let out and leaks at water outlet.Inside let out device 3 and leakage device 4 structure can there are many, for example, as shown in Figure 1, interior let out dress Set 3 may include it is interior let out valve rod 31, it is interior let out spring 32, Packing spring 33, gasket seal 34 and positioning adjustment sheet 35.Leak dress Set 4 may include leak spring 41, the sealing element 42 that leaks, leak valve rod 43 and handle 44.

Under normal condition, the sealing element 42 that leaks can be against at the communicating position of flow cavity 11 and outer urocoel 13, so that outside Urocoel 13 is not connected with flow cavity 11.Gasket seal 34 is let out between valve rod 31 and valve body 1 in being against, thus by the logical of flow cavity 11 Roadlock is disconnected.At this point, safety valve is in close state.When water feeding of heater, liquid is entered by water inlet 101, and in filter chamber It is filtered processing through filter device 2 in 12, is then entered in flow cavity 11 by the outlet part 1202 of filter chamber 12.With liquid The flowing of body, under hydraulic use, gasket seal 34 is connected to gasket seal 34 and positioning adjustment sheet 35 by upward active force Between Packing spring 33 compressed, gasket seal 34 is separated with valve body 1, the conducting of water inlet access in flow cavity 11, liquid from Water outlet 102 is flowed into the liner of water heater.

When water heater because heating etc. reasons cause liner hydraulic pressure reach setting protection pressure when, can squeeze in let out device 3 Valve rod 31 is inside let out, being connected to the interior interior spring 32 of letting out let out between valve rod 31 and gasket seal 34 can be compressed.It is former inside to let out spring 32 This set is let out on the lesser necking part 311 of diameter of valve rod 31 inside, when it is interior let out spring 32 and compressed when, necking part 311 can be downward It is moved among the interior drain port 341 of gasket seal 34.Since the diameter of necking part 311 is less than the diameter of interior drain port 341, Access is let out in foring between necking part 311 and interior drain port 341.Access, which is let out, in water process in liner flows to water inlet 101, To make the pressure in liner decline.

When intake pressure or inner liner pressure it is excessive and meet or exceed setting protection pressure when, can be press-connected and leak The spring 41 that leaks between sealing element 42 and valve body 1, the sealing element 42 that makes to leak no longer are against the company of flow cavity 11 and outer urocoel 13 At logical position, the access that leaks conducting.Liquid can be discharged to the external world from outer drain port 103 through outer urocoel 13.To reduce into water Pressure or inner liner pressure protect water heater.

In one embodiment, as shown in Figure 1, the sealing element 42 that leaks can also be with 44 phase of valve rod 43 and handle that leaks Even, the valve rod that leaks is located in outer urocoel 13, and handle 44 is located at outside outer urocoel 13.Pass through operation handle 44 with can be convenient, drives The valve rod 43 that leaks is mobile, to make and the sealing element 42 that leaks for the connection of valve rod 43 that leaks no longer is against flow cavity 11 and outer urocoel 13 Connectivity part, conducting leaks access.To realize the manual pressure release of water heater, use more secure and reliable.

The second aspect of the utility model provides a kind of water heater.

In one embodiment, the water heater of the utility model includes above-mentioned safety valve.

In the description of this specification, referring to term " one embodiment ", " some embodiments ", " example ", " specifically show The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example Point is contained at least one embodiment or example of the utility model.Moreover, description specific features, structure, material or Feature may be combined in any suitable manner in any one or more of the embodiments or examples.In addition, in not conflicting situation Under, those skilled in the art can be by different embodiments or examples described in this specification and different embodiments or examples Feature be combined.

In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance Or implicitly indicate the quantity of indicated technical characteristic." first " is defined as a result, the feature of " second " can be expressed or hidden It include at least one this feature containing ground.The meaning of " plurality " is two or more in the description of the present invention, unless Separately there is clearly specific restriction.

Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to In this, anyone skilled in the art within the technical scope disclosed by the utility model, it is each can to readily occur in it Kind change or replacement, these should be covered within the scope of the utility model.Therefore, the protection scope of the utility model It should be based on the protection scope of the described claims.

Claims (10)

1. a kind of safety valve, which is characterized in that including valve body, the flow cavity flowed through for liquid is equipped in the valve body, it is described Flow cavity is equipped with inlet and outlet；

The valve body is equipped with filter chamber in one end close to the water inlet, and the water inlet and the water outlet pass through the mistake Filter chamber and be connected to, the filter chamber is equipped with the opening portion that is in communication with the outside；

Filter device is equipped in the filter chamber, the filter device includes filtration members, magnetic force piece and filtering cover；

The filtration members are arranged in the filtering cavity wall；The filtering cover and valve casing are detachably connected to be opened and closed the opening Portion；The magnetic force piece is arranged on the filtering cover, and extends in the filter chamber.

2. safety valve according to claim 1, which is characterized in that the flow cavity extends along the vertical direction, the water inlet Mouth and the water outlet are arranged vertically at the both ends of the flow cavity respectively；

The filter chamber is obliquely installed upwards, and the upper end of the filter chamber is arranged in the opening portion；

The filter chamber is equipped with the water entering section towards the water inlet, and the outlet part towards the water outlet；The water inlet Mouth is connected to by the water entering section with the outlet part with the water outlet.

3. safety valve according to claim 2, which is characterized in that the filter chamber leans outward upwards relative to vertical direction Oblique angular range is 15 degree of -75 degree.

4. safety valve according to claim 2 or 3, which is characterized in that the filtration members are cylindrical；The filtration members with It is closing structure at the corresponding position in the opening portion, the filtration members are equipped in position corresponding with the water entering section and open wide Mouthful；Liquid is entered in the filtration members by open ports.

5. safety valve according to claim 4, which is characterized in that the filtration members are reticular structure.

6. safety valve according to claim 5, which is characterized in that the filtration members use stainless (steel) wire or nylon wire.

7. safety valve according to claim 6, which is characterized in that the mesh number range of mesh is 5 mesh-in the filtration members 200 mesh.

8. safety valve described in any one of -3 claims according to claim 1, which is characterized in that the valve body is by transparent material It is made.

9. safety valve described in any one of -3 claims according to claim 1, which is characterized in that the valve body is close to described One end of water outlet is equipped with outer urocoel, and the outer urocoel is connected to the flow cavity, and the outer urocoel is equipped with and is in communication with the outside Outer drain port；

Be equipped in the flow cavity it is interior let out device, described leak intracavitary is equipped with leakage device.

10. a kind of water heater, which is characterized in that including safety valve according to claim 1 to 9.