CN220956996U - Pressure release valve for intelligent closestool - Google Patents

Abstract

The utility model relates to the technical field of intelligent toilets, in particular to a pressure relief valve for an intelligent toilet, which comprises a valve body, a valve core and an elastic piece, wherein the valve body is provided with a pressure relief cavity, the elastic piece is connected to the valve core and the inner wall of the pressure relief cavity, the valve body is provided with a first channel, a second channel and a backflow channel which are communicated with the pressure relief cavity, the backflow channel is positioned on the elastic telescopic stroke of the valve core, when the elastic piece is in a reset state, the first channel and the second channel are communicated to form a circulation loop, when the elastic piece is in compression assembly, the first channel, the second channel and the backflow channel form the pressure relief loop, the pressure relief valve is simple in structure and convenient to install, space is saved, the pressure relief valve is connected between a heater and a spray gun, the excessive water pressure in a connecting pipeline is effectively released, the stability of hot water sprayed out by the spray gun and the constant water pressure are ensured, the flushing experience is improved, the circuit system and the waterway system of the intelligent toilet are protected, the use safety of the intelligent toilet is enhanced, and the service life of the intelligent toilet is prolonged.

Description

Pressure release valve for intelligent closestool

Technical Field

The utility model relates to the technical field of intelligent toilets, in particular to a pressure release valve for an intelligent toilet.

Background

The intelligent toilet is an intelligent toilet and has the functions of automatic deodorization, heating of a toilet cover, warm water cleaning, warm air drying, sterilization and the like, and the intelligent toilet mainly comprises three parts of a circuit system, a heating system and a cleaning system;

The cleaning system is a special functional system of the intelligent closestool, so that water and air are mixed together, the cleaning strength and the cleanliness are improved, when the cleaning system works, water in the water tank is pumped to the instant heating component along the pipeline and heated to a set temperature, and then water flow is sprayed out through a spray gun connected with the instant heating component to flush a user or the spray gun is self-cleaned; however, when the water pressure in the pipeline is too high, the water pressure and the discharge flow of the hot water are affected, discomfort and pain of a user are increased, and the use experience of the user is affected; secondly, the connecting pipeline between the instant heating component and the spray gun, namely the connecting pipeline between the instant heating component and the spray gun, is broken or leaked, and can influence the circuit system in the intelligent closestool after the water leakage, if the intelligent closestool is not maintained in time or the water leakage is serious, the circuit is short-circuited or other electrical faults can be caused, the normal use of the intelligent closestool is influenced, and the use reliability and the stability are poor; furthermore, the maintenance of the intelligent closestool is more complex than the structure of the traditional closestool, special tools and detection equipment are required to be used during the repair, and other parts can be further damaged if the intelligent closestool is carelessly operated;

therefore, there is a need to design a pressure relief valve for a smart toilet.

Disclosure of Invention

The utility model aims to provide a pressure relief valve for an intelligent closestool, which is designed for solving at least one technical problem in the background art.

In order to achieve the above purpose, the present utility model adopts the following scheme: the utility model provides a relief valve for intelligent closestool, includes valve body, case and elastic component, the valve body is provided with the pressure release chamber, the elastic component connect in the case with the inner wall of pressure release chamber, the valve body is provided with the intercommunication the first passageway, second passageway, the backward flow passageway of pressure release chamber, the backward flow passageway is located on the elastic expansion stroke of case, when the elastic component is in reset state, first passageway with the second passageway intercommunication forms the circulation return circuit, the elastic component is in when compressing assembly, first passageway the second passageway with the backward flow passageway forms the pressure release return circuit.

The first channel and the second channel are respectively positioned at the top of the valve body, and the included angle between the axis of the first channel and the axis of the second channel is 90-180 degrees.

The backflow channel and the first channel are arranged on the same side of the valve body, and the backflow channel is located below the second channel.

The valve body is provided with a fixing seat protruding outwards, and the fixing seat is provided with a through hole penetrating downwards from top to bottom.

When the valve body is projected downwards from top to bottom, one group of fixing seats are positioned between the first channel and the second channel, and an included angle between the axis of the fixing seat and the axis of the first channel is 45-90 degrees.

The pressure relief valve further comprises an end cover, a recessed space recessed inwards from the outside is formed in one side, away from the first channel, of the valve body, and the end cover is assembled with the inner wall of the recessed space in a threaded mode to form the pressure relief cavity.

The inner wall of the concave space is provided with a clamping groove which is concavely arranged, the outer wall of the end cover is provided with a convex clamping part corresponding to the clamping groove, and the clamping part is assembled in the clamping groove.

The connecting part of the first channel and the second channel is provided with a diversion trench towards the pressure relief cavity, and the valve core moves back and forth towards the diversion trench.

The valve body is provided with a sealing nozzle communicated with the diversion trench, and the sealing nozzle protrudes downwards from the top wall of the pressure relief cavity.

The valve further comprises a sealing element, wherein the sealing element is assembled at one end of the valve body far away from the elastic element.

The intelligent closestool has the advantages that the pressure relief valve is connected between the heater and the spray gun, when the water pressure is larger than the elastic force of the elastic piece, the water pressure pushes the valve core to move, so that the excessive water pressure in the connecting pipeline is effectively released, the circuit system and the waterway system in the intelligent closestool are protected, the influence of the excessive water pressure on the circuit system in the intelligent closestool is avoided, the use safety of the intelligent closestool is enhanced, the risk of water leakage is reduced, the damage of the excessive water pressure to the inner structure of the closestool is avoided, and the service life of the intelligent closestool is prolonged; secondly, the stability of hot water and the constancy of water pressure are ensured, so that a user can enjoy more comfortable and stable flushing experience, the hot water sprayed by the spray gun is more stable and uniform, and the flushing effect is improved; furthermore, the pressure release valve has simple structure, saves space, is convenient to install, and reduces unnecessary space occupation.

Drawings

FIG. 1 is a perspective view of a pressure relief valve for a smart toilet;

FIG. 2 is a top view of a pressure relief valve for a smart toilet;

FIG. 3 is a bottom view of a pressure relief valve for a smart toilet;

FIG. 4 is a cutaway perspective view of a pressure relief valve for a smart toilet;

FIG. 5 is a schematic exploded view of a pressure relief valve for a smart toilet;

FIG. 6 is a perspective view of a valve body of a pressure relief valve for a smart toilet;

fig. 7 is a cross-sectional view of a pressure relief valve for a smart toilet.

Detailed Description

Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so as to provide an intuitive and visual understanding of each technical feature and overall solution of the present utility model, but are not to be construed as limiting the scope of the present utility model.

In the description of the present utility model, if an orientation description such as "upper", "lower", "front", "rear", "left", "right", etc. is referred to, it is merely for convenience of description and simplification of the description, and does not indicate or imply that the apparatus or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the utility model. When a feature is referred to as being "disposed," "secured" or "connected" to another feature, it can be directly disposed, secured or connected to the other feature or it can be indirectly disposed, secured or connected to the other feature.

In the description of the present utility model, if "a number" is referred to, it means one or more, if "a number" is referred to, it means two or more, if "greater than", "less than", "exceeding" is referred to, it is to be understood that the number is not included, and if "above", "below", "within" is referred to, it is understood that the number is included. If reference is made to "first", "second" it is to be understood as being used for distinguishing technical features and not as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

Furthermore, unless defined otherwise, technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. It should be understood that the terms "comprises" and "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.

Examples: as shown in fig. 1-7, a pressure release valve for an intelligent toilet comprises a valve body 1, a valve core 2 and an elastic piece 3, wherein the valve body 1 is provided with a pressure release cavity 101, the elastic piece 3 is connected to the valve core 2 and the inner wall of the pressure release cavity 101, the valve body 1 is provided with a first channel 102, a second channel 103 and a backflow channel 104 which are communicated with the pressure release cavity 101, the backflow channel 104 is positioned on the elastic expansion stroke of the valve core 2, when the elastic piece 3 is in a reset state, the first channel 102 is communicated with the second channel 103 to form a circulation loop, and when the elastic piece 3 is in compression assembly, the first channel 102, the second channel 103 and the backflow channel form a pressure release loop.

The first channel 102 is a water inlet channel and is connected with a water outlet of the instant heating component, the second channel 103 is a water outlet channel and is connected with a water inlet of the spray gun, and the elastic piece 3 is a spring.

Therefore, the pressure relief valve is connected between the heater and the spray gun, so that the problems of unstable hot water spraying flow and water pressure caused by overlarge water pressure are effectively solved, the possibility of water leakage and breakage of the connecting pipeline is reduced, meanwhile, the internal installation space is saved, and the maintenance is convenient.

When the water pressure is greater than the elasticity of the elastic piece, the water pressure pushes the valve core to move, so that the backflow channel is conducted, the excessive water pressure in the connecting pipeline is effectively released, the circuit system and the waterway system inside the intelligent closestool are protected, the influence of excessive water pressure on the circuit system inside the intelligent closestool is avoided, the use safety of the intelligent closestool is enhanced, the risk of water leakage is reduced, the damage of excessive water pressure to the internal structure of the closestool is avoided, and the service life of the intelligent closestool is prolonged; secondly, the pressure valve can ensure the stability of hot water and the constancy of water pressure, so that a user can enjoy more comfortable and stable flushing experience, the hot water sprayed by the spray gun is more stable and uniform, and the flushing effect is improved; furthermore, the pressure relief valve is simple in structure, convenient to install, convenient to maintain, time-saving in cost, high in expansibility and capable of adapting to different water pressure ranges and toilet models.

Wherein, the inner wall that first passageway 102 towards valve body 2 extends and is provided with buffer 1021, and when instantaneous discharge was too big, buffer played the cushioning effect to the rivers, reduces the instantaneous increase of spun water pressure in the spray gun, promotes user's use travelling comfort and washes experience.

The first channel 102 and the second channel 103 are respectively located at the top of the valve body 1, an included angle between the axis of the first channel 102 and the axis of the second channel 103 is 90-180 degrees, space is saved, installation is convenient, unnecessary space occupation is reduced, and the intelligent closestool is more compact in internal installation.

Wherein, the axis of first passageway 102 with the axis of second passageway 103 is perpendicular setting, the structural layout in the adaptation intelligent closestool for first passageway orientation is the setting of heating subassembly promptly, and the second passageway sets up towards the spray gun, and the relief valve of being convenient for communicates with heating subassembly promptly and spray gun, promotes the smoothness nature of rivers.

The backflow channel 104 and the first channel 102 are disposed on the same side of the valve body 1, the backflow channel 104 is located below the second channel 103, and the backflow channel and the first channel are disposed on the same side, so that occupied space can be reduced, the whole structure is more compact, installation is simplified, complexity of an alignment interface can be reduced in the installation process, installation operation is more convenient, the backflow channel is close to one side of a water inlet channel, and pipeline layout is shortened.

Wherein, the axis of backward flow passageway 104 with the axis of second passageway 103 is parallel arrangement for backward flow passageway and second passageway form U type pressure release return circuit, and backward flow passageway and first passageway set up in same one side, can reduce the resistance of fluid in the flow in-process, improve the efficiency of fluid, secondly, with backward flow passageway setting in the second passageway below, can utilize the effect of gravity, strengthen the stability of rivers, reduce the fluctuation of water pressure.

The vertical distance between the return channel 104 and the first channel 102 is smaller than or equal to the unidirectional elastic expansion stroke of the valve core 2, so that the rationality of structural design is improved, and the stability of water pressure release is improved.

Wherein, valve body 1 is provided with outwards bellied fixing base 105, fixing base 105 is provided with from last through-hole 1051 that runs through downwards, and the bolt passes the through-hole and is located the water tank and assemble to assemble the relief valve in bathroom water tank, through setting up outwards bellied fixing base on the valve body, and set up from last through-hole that runs through downwards on this fixing base, make the bolt can pass the through-hole and be located the water tank and assemble, thereby assemble the relief valve in the bathroom water tank, ensure that it can not take place to remove or become flexible in the use, can simplify the installation process, general current intelligent closestool's installation, the intelligent closestool of compatible different models.

Wherein, the fixing base is provided with one or more groups, and when the plurality of groups are arranged, two groups of fixing bases 105 are arranged on the same straight line and positioned on two sides of the valve body 1, so that the installation stability of the pressure relief valve is improved.

When the valve body 1 is projected downwards from top to bottom, a group of fixing seats 105 are positioned between the first channel 102 and the second channel 103, an included angle between the axis of the fixing seat 105 and the axis of the first channel 102 is 45-90 degrees, preferably 45 degrees, the installation seats stagger the arrangement of the first channel and the second channel, the risk of interference with the first channel and the second channel during installation is reduced, the installation convenience is improved, and the rationality of the structural layout of the valve body is improved.

The pressure relief valve further comprises an end cover 4, a concave space 106 which is concave inwards from outside is arranged on one side, away from the first channel 102, of the valve body 1, the end cover 4 is assembled with the inner wall of the concave space 106 in a threaded mode to form the pressure relief cavity 101, the pressure relief valve is split-type, production and manufacturing of the pressure relief valve are facilitated, and production and manufacturing cost of the pressure relief valve is reduced.

Wherein, the outward one end of sunken space 106 is provided with expands portion 1061 outward, expand portion 1061 is followed the outer wall of sunken space 106 expands outward and sets up, end cover 4 is located expand portion 1061 department outward through the one end setting expands portion outward in sunken space to expand portion department outward with the end cover, increase the overall structure stability of relief valve, make it more firm in the use, improve end cover installation convenience.

The end cover 1061 has a torsion portion 401 disposed at an outward end, and the torsion portion 401 is disposed concavely from the outside to the inside, so as to facilitate the installation of the end cover.

Wherein, the end cover 1061 is provided with an assembling groove 402 near to the elastic element 3 and arranged towards the end cover 1061 from the elastic element 3, and one end of the elastic element 3 is assembled with the inner wall of the assembling groove 402, so as to improve the stability of the installation of the elastic element.

The valve core 2 is provided with an assembling portion 201, the assembling portion 201 extends outwards from the valve core 2 to be arranged in a protruding mode, the other end of the elastic piece 3 is in contact with the bottom wall of the assembling portion 201, the elastic piece is limited, and pressure received by the valve core is transmitted to the elastic piece.

The inner wall of the recess space 106 has a recess 1062, the outer wall of the end cover 4 has a protruding clamping portion 403 corresponding to the recess 1062, the clamping portion 403 is assembled in the recess 1062, and the tightness of the assembly of the end cover and the valve body is improved.

The clamping portion 403 is provided with a fastening block, the fastening block protrudes outwards from the clamping portion 403, the assembly gap is reduced, and the tightness of the assembly of the end cover and the valve body is further improved.

Wherein the fastening block is located in the middle of the clamping portion 403.

Wherein, the valve body 1 near one end of the clamping groove 1062 is provided with an opening 1063, the opening 1063 is disposed in communication with the clamping groove 1062 from outside, and when the end cover 4 is assembled with the valve body 1, the clamping portion 403 is assembled from the opening 1063, and the twisting portion 401 is twisted to rotate the end cover, so that the clamping portion 403 is clamped on the inner wall of the clamping groove 1062, and the assembly of the end cover 4 is completed.

The opening 1063 is disposed corresponding to the fixing seat 105, so as to reduce the influence of the opening on the structural rigidity of the valve body and improve the stability of the valve body.

Wherein, the clamping groove 1062 is arranged to be away from the end of the opening 1063 and extend outwards, so as to facilitate the observation of whether the end cover 4 is twisted in place, thereby reducing the risk of misloading.

The connection part of the first channel 102 and the second channel 103 is provided with a diversion trench 107 towards the pressure release cavity 101, and the valve core 2 moves back and forth towards the diversion trench 107.

The valve body 1 is provided with a sealing nozzle 108 communicated with the diversion trench 107, the sealing nozzle 108 is arranged in a downward protruding mode from the top wall of the pressure relief cavity 101, the risk of water leakage when the valve core is tightly propped against the diversion trench is reduced, and the tightness is improved.

Wherein, the outer wall of the sealing nozzle 108 is provided with a slope 1081, and the slope 1081 is gradually inclined downward from the top wall of the pressure release chamber 101.

Wherein a sealing element 5 is also included, said sealing element 5 being fitted at the end of said valve body 1 remote from said elastic element 3.

When the elastic member 3 is in the reset state, the sealing member 5 abuts against the sealing nozzle 108 to deform and then wraps the periphery of the inclined surface 1081, so as to improve the sealing effect.

The valve body 1 is provided with a T-shaped portion 202, the T-shaped portion 202 is arranged on one side, close to the sealing element 5, of the valve core 2, the sealing element 5 is provided with a T-shaped groove corresponding to the T-shaped portion 202, and the sealing element 5 is assembled with the T-shaped portion 202.

While the utility model has been described with reference to certain preferred embodiments, it will be understood by those skilled in the art that various changes and substitutions of equivalents may be made and equivalents will be apparent to those skilled in the art without departing from the scope of the utility model. Therefore, the protection scope of the utility model is subject to the protection scope of the claims.

Claims (10)

1. A relief valve for intelligent closestool, its characterized in that: including valve body, case and elastic component, the valve body is provided with the pressure release chamber, the elastic component connect in the case with the inner wall of pressure release chamber, the valve body is provided with the intercommunication the first passageway of pressure release chamber, second passageway, backward flow passageway, the backward flow passageway is located on the elastic expansion stroke of case, when the elastic component is in reset state, first passageway with the second passageway intercommunication forms the circulation return circuit, the elastic component is in when compressing assembly, first passageway the second passageway with the backward flow passageway forms the pressure release return circuit.

2. A pressure relief valve for a smart toilet as claimed in claim 1, wherein: the first channel and the second channel are respectively positioned at the top of the valve body, and the included angle between the axis of the first channel and the axis of the second channel is 90-180 degrees.

3. A pressure relief valve for a smart toilet as claimed in claim 1, wherein: the return channel and the first channel are arranged on the same side of the valve body, and the return channel is positioned below the second channel.

4. A pressure relief valve for a smart toilet as claimed in claim 1, wherein: the valve body is provided with outwards bellied fixing base, the fixing base is provided with from top to bottom run through the through-hole.

5. The pressure relief valve for a smart toilet of claim 4, wherein: when the valve body is projected downwards from top to bottom, a group of fixing seats are positioned between the first channel and the second channel, and an included angle between the axis of the fixing seat and the axis of the first channel is 45-90 degrees.

6. A pressure relief valve for a smart toilet as claimed in claim 1, wherein: the pressure relief valve further comprises an end cover, a recessed space recessed inwards from the outside is formed in one side, away from the first channel, of the valve body, and the end cover is assembled with the inner wall of the recessed space in a threaded mode to form the pressure relief cavity.

7. The pressure relief valve for a smart toilet of claim 6, wherein: the inner wall in the concave space is provided with a clamping groove in a concave mode, the outer wall of the end cover is provided with a convex clamping part corresponding to the clamping groove, and the clamping part is assembled in the clamping groove.

8. A pressure relief valve for a smart toilet as claimed in claim 1, wherein: the junction of first passageway with the second passageway is towards the pressure release chamber intercommunication is provided with the guiding gutter, the case orientation the round trip movement of guiding gutter.

9. The pressure relief valve for a smart toilet of claim 8, wherein: the valve body is provided with the sealing mouth that the guiding gutter is linked together, sealing mouth is followed the roof of pressure release chamber is protruding the setting downwards.

10. A pressure relief valve for a smart toilet as claimed in claim 1, wherein: the valve further comprises a sealing element, wherein the sealing element is assembled at one end of the valve body far away from the elastic element.