CN207999530U - Safety valve and water heater - Google Patents

Abstract

The utility model proposes a kind of safety valve and water heaters.Safety valve includes that the flow cavity flowed through for liquid is equipped in the valve body, and the flow cavity is equipped with inlet and outlet;The valve body is made of transparent material;The valve body is being equipped with filter chamber close to one end of the water inlet, and the water inlet is connected to the water outlet by the filter chamber, and 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 and filtering cover, and the filtration members are arranged in the filtering cavity wall;The filtering cover is detachably connected with the valve casing to be opened and closed the opening portion.The safety valve of the utility model can facilitate the retention situation that user observes filter device to impurity, be convenient for when impurity trapped is excessive, timely cleaning and filtrating equipment.

Description

Safety valve and water heater

Technical field

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

Background technology

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, meeting releasing pressure automatically is to ensure 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, to cause safety valve to seal It is not tight, leak can be caused when serious or does 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 be flowed out with user's shower water outlet, be used for a long time, can be caused 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 water route is blocked, 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 that the above object, one side according to the present utility model, the utility model embodiment provide 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 goes out The mouth of a river;

The valve body is made of transparent material;

The valve body is being equipped with filter chamber close to one end of 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 and filtering cover, and the filtration members are set It sets in the filtering cavity wall;The filtering cover is detachably connected with the valve casing to be opened and closed the opening portion.

Preferably or optionally, the filter device further includes magnetic force piece;

The magnetic force piece is arranged on the filtering cover, and extends in the filter chamber.

Preferably or optionally, the flow cavity vertically extends, the water inlet and the water outlet edge respectively Vertical direction is arranged at the both ends of the flow cavity;

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

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 water outlet is arranged in the end of the bending;

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

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 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, -200 mesh of the mesh number of mesh ranging from 5 mesh in the filtration members.

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.

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;

Device is let out in being equipped in the flow cavity, the intracavitary that leaks is equipped with leakage device

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 advantageous effect, user can be facilitated to observe Retention situation of the device to impurity is filtered, is convenient for when impurity trapped is excessive, timely cleaning and filtrating equipment.

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.

Description of the drawings

In the accompanying drawings, unless specified otherwise herein, otherwise run through the identical reference numeral of multiple attached drawings and indicate same or analogous 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 this practicality Some novel disclosed 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 are 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 portions the A enlarged drawing in Fig. 1 and Fig. 1 a.

Specific implementation mode

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 changed 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.

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 with close to one end of 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 and filtering cover 203.Filtration members 201 are arranged the inner wall in filter chamber 12, filtering cover 203 and are connected on valve casing 1, filtering cover 203 and valve casing 1 be detachably connected with It is opened and closed opening portion 121.In this way, when the impurity that discovery filtration members 201 retain is excessive or the flux of liquid becomes small, can split out Filtration members 201 are taken out, are scrubbed using brush by filter cover 203, after the completion of scrub, can reinstall filtration members 201, Neng Gouji It is continuous to use.

Further, valve body 1 is made of transparent material.Impurity is cut in this way, user can be facilitated to observe filter device 2 Show mercy condition, convenient for when impurity trapped is excessive, timely cleaning and filtrating equipment.Certainly, valve body 1 can also be only in the position of filter chamber 12 Place is set, outer wall is arranged to transparence.

Shown in Fig. 1 and Fig. 1 a, filter device 2 further includes magnetic force piece 202, and magnetic force piece 202 is arranged in filtering cover 203 On, and be extended to the in filter chamber 12.In one embodiment, specifically, indicate that liquid enters in valve body 1 with the arrow in scheming Flow direction.When liquid flows into filter chamber 12 by water inlet 101, due to magnetic force piece 202 be extended to the over filter chamber 12 it In, the magnetic impurity in liquid can be adsorbed, such as:Iron rust, iron wire etc. realize the primary filtering to liquid.Later, liquid exists When being flowed to flow cavity 11, it can pass through and be bonded fixed filtration members 201 with the inner wall of filter chamber 12, further remove in liquid Other impurities particulate matter realizes the secondary filter to liquid.To so that the liquid being flowed into flow cavity 11 is clean liquid Body avoids the inside that impurity particle object enters valve body 1, ensure that the leakproofness of safety valve.Simultaneously as magnetic force piece 202 is inhaled Attached magnetic impurity is avoided in no liquid into when crossing safety valve, and impurity is fallen back into the mouth of a river 101, and it is existing to block water inlet 101 The generation of elephant.

In one embodiment, as shown in Figure 1, flow cavity 11 vertically extends, 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 effectively prevent dripping.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.Opening portion 121 is arranged in the upper end of filter chamber 12, in this way, convenient for user from Filter device 2 is taken out in opening portion 121.

Shown in Fig. 1 a, in another embodiment, flow cavity 11 is horizontally extending and is folded upward at;At this point, Water inlet 101 is arranged is located at the end in horizontal direction in flow cavity 11, and water outlet 102 is arranged in the end of the bending.It crosses Filter chamber 12 tilts down setting, and opening portion 121 is arranged in the lower end of filter chamber 12.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.Opening portion 121 is arranged in the lower end of filter chamber 12, in this way, convenient for user from Filter device 2 is taken out in opening portion 121.

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 by open ports 2011 in filter chamber 12.

In conjunction with reference 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 larger impurity of volume in liquid, the liquid to flowing into filter chamber 12 play the role of preliminary removal of impurities.

Shown in Fig. 2 and Fig. 3, in one embodiment, filtration members 201 are reticular structure, convenient for preferably realizing Filter effect.Preferably, stainless (steel) wire or nylon wire may be used in filtration members 201, is not only convenient for manufacturing and will not occurring corrosion, Ensure water safety.

It is further preferred that -200 mesh of the mesh number of mesh ranging from 5 mesh in filtration members 201, that is, often put down in filtration members 201 Ranging from 5-200 of the number of perforations of square inch.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, for the area that certain water quality requirements are relatively low or large granular impurity is more, can preferentially use 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 Usage time;It is for the area that certain water quality requirements are higher or water small particles impurity is more, then preferentially larger using mesh number Filter screen ensure filter effect to effectively filter out 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 Be not centainly in actual work spatially before and after be completely corresponded up and down.

Shown in Fig. 1, Fig. 1 a and Fig. 4, in a kind of embodiment, valve body 1 leaks being equipped with close to one end of water outlet 102 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, it is equipped with leakage device 4 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 according to the variation of liner hydraulic pressure 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 in being against between valve rod 31 and valve body 1, to leading to flow cavity 11 Roadlock is disconnected.At this point, safety valve is closed.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 pressure 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 detached with valve body 1, in flow cavity 11 into water passage be connected, 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 inside on the smaller necking part 311 of diameter of valve rod 31, 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 being formd 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 through outer urocoel 13 from outer drain port 103.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.It can be driven conveniently by operation handle 44 The valve rod 43 that leaks moves, to which the sealing element 42 that leaks for the connection of valve rod 43 that makes and leak 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 safety and reliability.

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 description purposes only, it is not understood to indicate or imply 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 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 scope of protection of the utility model is not limited to In this, any one 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 scope of protection 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 made of transparent material;

The valve body is being equipped with filter chamber close to one end of 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;

The flow cavity is horizontally extending and is folded upward at, and the water inlet is arranged is located at horizontal direction in the flow cavity On end, the water outlet is arranged in the end of the bending;

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

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;

Filter device is equipped in the filter chamber, the filter device includes filtration members and filtering cover, and the filtration members setting exists The filtering cavity wall;The filtering cover is detachably connected with the valve casing to be opened and closed the opening portion.

2. safety valve according to claim 1, which is characterized in that the filter device further includes magnetic force piece;

The magnetic force piece is arranged on the filtering cover, and extends in the filter chamber.

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

4. safety valve according to claim 3, which is characterized in that open ports are in half open state.

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 of mesh ranging from 5 mesh-in the filtration members 200 mesh.

8. according to the safety valve described in claim 1-7 any claims, which is characterized in that the valve body is going out described in The one end at the mouth of a river is equipped with outer urocoel, the outer urocoel is connected to the flow cavity, and the outer urocoel is equipped with being in communication with the outside Outer drain port;

Device is let out in being equipped in the flow cavity, the intracavitary that leaks is equipped with leakage device.

9. according to the safety valve described in claim 1-7 any claims, which is characterized in that the filter chamber is relative to level Downwardly and outwardly inclined angular range is 30 degree of -60 degree in direction.

10. a kind of water heater, which is characterized in that include the safety valve according to any one of claim 1-9.