CN105065766B

CN105065766B - relief valve

Info

Publication number: CN105065766B
Application number: CN201510416693.7A
Authority: CN
Inventors: 姜国明; 张裕兆
Original assignee: Midea Group Co Ltd; Guangdong Midea HVAC Equipment Co Ltd
Current assignee: Midea Group Co Ltd; Guangdong Midea HVAC Equipment Co Ltd
Priority date: 2015-07-15
Filing date: 2015-07-15
Publication date: 2018-03-27
Anticipated expiration: 2035-07-15
Also published as: CN105065766A

Abstract

The invention provides a kind of relief valve, including：Valve body, valve element, catch and spring, valve body have water inlet and delivery port；Valve element is arranged in valve body, and includes valve rod and valve seat close to water inlet, valve element, and valve seat is provided with multiple water holes；Catch is arranged in valve body, and is set in close to delivery port, catch on valve rod；Spring is set on valve rod, and is supported between valve seat and catch.Relief valve provided by the invention, by setting multiple water holes on the valve seat of valve element, current are made to be moved ahead through valve element, so current can play balanced action to valve seat, the frequency that valve seat hits valve body is reduced, and the way of contact between valve seat and valve body contacts for face, increases the contact area of valve seat and valve body, so as to reduce valve seat and the sound caused by valve body collision, the purpose of noise reduction is realized.

Description

Relief valve

Technical field

The present invention relates to a kind of valve body, in particular to a kind of relief valve.

Background technology

At present, existing bearing type water tank relief valve is mounted on water inlet pipe, and user will flow through in just conventional water and let out Pressure valve enters water tank.Existing bearing type water tank pressure-relief valve structure design is unreasonable, is contacted between valve element and valve interior wall for point, Space of the current through valve element and valve interior wall flows to catch, needs to change flow direction after reaching catch, then reaches out The mouth of a river, such current easily produce turbulent flow, cause core assembly strenuous vibration in housing, and then produce noise, influence user Usage comfort.

The content of the invention

At least one in order to solve the above-mentioned technical problem, it is an object of the invention to provide the rational in infrastructure, Neng Gouyou of one kind Effect reduces the relief valve of noise.

To achieve these goals, the invention provides a kind of relief valve, including：Valve body, the valve body have water inlet And delivery port；Valve element, the valve element are arranged in the valve body, and include valve rod and valve close to the water inlet, the valve element Seat, the valve seat are provided with multiple water holes；Catch, the catch are arranged in the valve body, and close to the delivery port, institute Catch is stated to be set on the valve rod；And spring, the spring are set on the valve rod, and be supported on the valve seat with it is described Between catch.

Relief valve provided by the invention, multiple water holes are set on the valve seat of valve element, make the contact between valve seat and valve body Mode contacts for face, when one side water passes through valve seat through multiple water holes, balanced action can be played to valve seat, so as to reduce Valve seat hits the frequency of valve body, on the other hand increases the contact area of valve seat and valve body, is touched so as to reduce valve seat with valve body The caused sound is hit, realizes the purpose of noise reduction.

Specifically, in the prior art, the core assembly design of relief valve is unreasonable, and current pass through core assembly during use Shi Rongyi produces violent noise, influences the usage comfort of user；And relief valve provided by the invention, opened on the valve seat of valve element If multiple water holes, the way of contact between valve seat and valve body is set to be changed into face from contacting and contacted, one side water passes through multiple mistakes Water hole passes through valve seat, and this current pass through the type of flow of valve seat, can play balanced action to valve element, make valve element in valve body Keep relative stability, when avoiding current and being flowed through around valve seat, caused because each position current are unbalanced valve element rock and then The situation for hitting valve seat occurs, that is, reduces the frequency that valve seat hits valve body, on the other hand increase contact of the valve seat with valve body Area, and then valve seat and noise caused by valve body collision are reduced, noise reduction purpose is realized, the use for improving user is comfortable Degree.

In addition, the relief valve in above-described embodiment provided by the invention can also have following additional technical feature：

According to one embodiment of present invention, the area that the water hole surrounds tapers into along the direction of current.

In this embodiment, the area for setting water hole to surround tapers into along the direction of current, i.e. the hole wall of water hole For inclined-plane, guide effect can be played to current, current is quickly imported water hole and pass through valve seat.

According to one embodiment of present invention, multiple water holes are along the circumferentially disposed of the valve seat, the water hole Curved strip.

In this embodiment, multiple water holes also pass through along the circumferentially disposed of valve seat, then current from the circumference of valve seat, so Current can apply active force to the circumferential of valve seat simultaneously, so as to play a part of balancing valve seat；The curved bar of water hole is set Shape, the area of water hole can be increased, and then accelerate the speed that current pass through.

According to one embodiment of present invention, the valve rod and the valve seat are integral type structure.

In this embodiment, it is integral type structure to set valve rod and valve seat, on the one hand adds the connection of valve rod and valve seat Intensity, the probability being broken between valve rod and valve seat is reduced, so as to add the use reliability of product；On the other hand, Valve rod can be integrally formed with valve seat and be made, and so as to improve production efficiency, reduce manufacturing cost.

According to one embodiment of present invention, direction of the central diameter of the spring along current gradually increases.

In this embodiment, direction of the central diameter of spring along current gradually increases, i.e., spring is tapered, and thinner one end It is supported on valve seat, thicker one end is supported on catch, so when spring-compressed make it that valve element presses to catch or spring is answered When bit strip movable valve plug resets, because the thinner one end of spring is set on valve rod, and the gap between valve rod is smaller, is not easy to send out Life is rocked, and thicker one end and the contact area of catch are larger, thus spring can steadily be supported on valve seat and catch it Between, valve element is kept stable motion, reduce the probability that valve element and catch shake, produced when reduce further relief valve work Raw noise.

According to one embodiment of present invention, the catch includes：First annulus, first annulus are set in the valve On bar；Second annulus, the lateral wall of second annulus are engaged with the madial wall of the valve body, and second annulus is interior Side wall surrounds diameter of a circle and surrounds diameter of a circle more than the lateral wall of first annulus；With multiple connecting rods, the connecting rod One end be connected with the lateral wall of first annulus, the other end is connected with the madial wall of second annulus, makes described Catch has multiple water passages, and the spring supporting is in multiple connecting rods.

In this embodiment, catch includes the first annulus, the second annulus and multiple connecting rods, and the first annulus is set in valve rod On, realize the connection of catch and valve element；The internal diameter of second annulus is more than the external diameter of the first annulus, multiple circles of connecting rod connection first Ring and the second annulus, the space between the first annulus and the second annulus is divided into multiple water passages, such current pass through valve , can be directly through water passage after water hole on seat, without changing direction, i.e. current can more smoothly pass through valve element And catch, without producing turbulent flow, thus valve element and catch and the probability of valve body collision are reduce further, reduce relief valve Noise caused by work.

According to one embodiment of present invention, first annulus and second annulus are located at different planes, and institute State the first annulus and close on the valve seat.

In this embodiment, the first annulus and the second annulus is set to be located at different planes, and the first annulus closes on valve seat, I.e. catch is also tapered, and taper end, close to valve seat, for butt end close to delivery port, such spring, which can be arranged, is supported on multiple connecting rods On, it is sufficiently stable；Further, it is set in the connecting rod of taper catch for the tapered technical scheme of spring, volute spring On, the stability of spring is further increased, and then the probability that valve element and catch shake is reduced, reduce relief valve work Noise caused by work.

According to one embodiment of present invention, first annulus, second annulus and multiple connecting rods are one Body formula structure.

In this embodiment, it is integral type structure to set the first annulus, the second annulus and multiple connecting rods, is on the one hand increased Bonding strength between first annulus, the second annulus and multiple connecting rods, reduces the first annulus, the second annulus and multiple companies Probability between extension bar, so as to add the use reliability of product；On the other hand, the first annulus, the second annulus and multiple companies Extension bar can be integrally formed and be made, and so as to improve production efficiency, reduce manufacturing cost.

According to one embodiment of present invention, the number of the water hole is equal and more with the number of the water passage The individual water hole is corresponded with multiple water passages and set.

In this embodiment, set the number of water hole equal with the number of water passage, and multiple water holes with it is multiple Water passage correspond set, then through any water hole current continue move ahead when will not be hindered, so as to enter one Step reduces the probability that turbulent flow occurs when current pass through core assembly, reduces noise caused by relief valve work.

According to one embodiment of present invention, the valve seat is provided with four water holes, and the catch has four The water passage.

In this embodiment, four water holes are set on valve seat, and four water holes are symmetrically distributed in the circumference of valve seat, energy It is enough that preferable balanced action is played to valve seat, and set fewer number of water hole to ensure that valve seat has larger flow surface Product, and then the water velocity of relief valve is ensure that, correspondingly, four water passages, four water passages pair are set on catch Claim the circumference for being distributed in catch, pass through catch with making water flow stationary.

The additional aspect and advantage of the present invention will become obvious in following description section, or the practice by the present invention Recognize.

Brief description of the drawings

The above-mentioned and/or additional aspect and advantage of the present invention will become in the description from combination accompanying drawings below to embodiment Substantially and it is readily appreciated that, wherein：

Fig. 1 is the cross section structure diagram of relief valve of the present invention；

Fig. 2 is the main structure diagram of valve element of the present invention；

Fig. 3 is the right side structural representation of valve element shown in Fig. 2；

Fig. 4 is the main structure diagram of catch of the present invention；

Fig. 5 is the right side structural representation of catch described in this Fig. 4.

Wherein, corresponding relations of the Fig. 1 into Fig. 5 between reference and component names is：

10 valve bodies, 11 water inlets, 12 delivery ports, 20 valve elements, 21 valve rods, 22 valve seats, 23 water holes, 30 catch, 31 first Annulus, 32 second annulus, 33 connecting rods, 34 water passages, 40 springs.

Embodiment

It is below in conjunction with the accompanying drawings and specific real in order to be more clearly understood that the above objects, features and advantages of the present invention Mode is applied the present invention is further described in detail.It should be noted that in the case where not conflicting, the implementation of the application Feature in example and embodiment can be mutually combined.

Many details are elaborated in the following description to facilitate a thorough understanding of the present invention, still, the present invention may be used also To be different from other modes described here using other to implement, therefore, protection scope of the present invention is not by described below Specific embodiment limitation.

Referring to the relief valve of Fig. 1 to Fig. 5 descriptions according to some embodiments of the invention.

As shown in figure 1, relief valve provided by the invention, including：Valve body 10, valve element 20, catch 30 and spring 40.

Specifically, valve body 10 has water inlet 11 and delivery port 12；Valve element 20 is arranged in valve body 10, and close to water inlet 11, valve element 20 includes valve rod 21 and valve seat 22, and valve seat 22 is provided with multiple water holes 23；Catch 30 is arranged in valve body 10, and Close to delivery port 12, catch 30 is set on valve rod 21；Spring 40 is set on valve rod 21, and is supported on valve seat 22 and catch 30 Between.

Relief valve provided by the invention, multiple water holes 23 are opened up on the valve seat 22 of valve element 20, make valve seat 22 and valve body The way of contact between 10 is changed into face contact from a contact, and one side water passes through valve seat 22, this water by multiple water holes 23 The type of flow through valve seat 22 is flowed, balanced action can be played to valve element 20, valve element 20 is kept relatively steady in valve body 10 It is fixed, when avoiding current and being flowed through around valve seat 22, cause valve element 20 to rock and then impact valve because each position current are unbalanced The situation of seat 22 occurs, that is, reduces the frequency that valve seat 22 hits valve body 10, on the other hand increase valve seat 22 and valve body 10 Contact area, and then reduce valve seat 22 and collide caused noise with valve body 10, noise reduction purpose is realized, improves user's Usage comfort.

In one embodiment of the invention, as shown in Fig. 2 direction of the area that surrounds of water hole 23 along current gradually becomes It is small.

In this embodiment, the area that surrounds of water hole 23 is set to be tapered into along the direction of current, i.e. water hole 23 Hole wall is inclined-plane, can play guide effect to current, current is quickly imported water hole 23 and passes through valve seat 22.

In one embodiment of the invention, as shown in Fig. 2 multiple water holes 23 cross water along the circumferentially disposed of valve seat 22 23 curved strip of hole.

In this embodiment, multiple water holes 23 are also worn along the circumferentially disposed of valve seat 22, then current from the circumference of valve seat 22 Cross, such current can apply active force to the circumferential of valve seat 22 simultaneously, so as to play a part of balancing valve seat 22；Water was set 23 curved strip of hole, the area of water hole 23 can be increased, and then accelerate the speed that current pass through.

In one embodiment of the invention, valve rod 21 and valve seat 22 are integral type structure.

In this embodiment, it is integral type structure to set valve rod 21 and valve seat 22, on the one hand adds valve rod 21 and valve seat 22 bonding strength, the probability being broken between valve rod 21 and valve seat 22 is reduced, it is reliable so as to add the use of product Property；On the other hand, valve rod 21 can be integrally formed with valve seat 22 and be made, so as to improve production efficiency, reduce the manufacturing into This.

In one embodiment of the invention, direction of the central diameter of spring 40 along current gradually increases.

In this embodiment, direction of the central diameter of spring 40 along current gradually increases, i.e., spring 40 is tapered, and thinner One end is supported on valve seat 22, and thicker one end is supported on catch 30, so causes valve element 20 to press to gear when spring 40 compresses When piece 30 or the reset strap movable valve plug 20 of spring 40 reset, because the thinner one end of spring 40 is set on valve rod 21, and and valve Gap between bar 21 is smaller, is not susceptible to rock, and thicker one end and the contact area of catch 30 are larger, thus spring 40 It can steadily be supported between valve seat 22 and catch 30, valve element 20 is kept stable motion, reduce valve element 20 and catch 30 is sent out The raw probability rocked, it reduce further noise caused by relief valve work.

In one embodiment of the invention, as shown in Figure 1, Figure 4 and Figure 5, catch 30 includes：First annulus 31, second Annulus 32 and multiple connecting rods 33.

Specifically, the first annulus 31 is set on valve rod 21；Second annulus 32, lateral wall and the valve body 10 of the second annulus 32 Madial wall be engaged, and the madial wall of the second annulus 32 surround diameter of a circle more than the first annulus 31 lateral wall surround it is round Diameter；With multiple connecting rods 33, one end of connecting rod 33 is connected with the lateral wall of the first annulus 31, the other end and the second annulus 32 madial wall is connected, and catch 30 is had multiple water passages 34, and spring 40 is supported in multiple connecting rods 33.

In this embodiment, catch 30 includes the first annulus 31, the second annulus 32 and multiple connecting rods 33, the first annulus 31 It is set on valve rod 21, realizes the connection of catch 30 and valve element 20；The internal diameter of second annulus 32 is more than the external diameter of the first annulus 31, Multiple connecting rods 33 connect the first annulus 31 and the second annulus 32, and the space between the first annulus 31 and the second annulus 32 is separated For multiple water passages 34, such current through after the water hole 23 on valve seat 22, can directly through water passage 34, without Change direction, i.e. current can more smoothly pass through valve element 20 and catch 30, without producing turbulent flow, thus further reduce The probability that valve element 20 and catch 30 collide with valve body 10, reduce noise caused by relief valve work.

In one embodiment of the invention, as shown in Figure 1 and Figure 5, the first annulus 31 and the second annulus 32 are positioned at difference Plane, and the first annulus 31 closes on valve seat 22.

In this embodiment, the first annulus 31 and the second annulus 32 is set to be located at different planes, and the first annulus 31 faces Nearly valve seat 22, i.e. catch 30 is also tapered, and taper end can be arranged close to valve seat 22, butt end close to delivery port 12, such spring 40 It is supported in multiple connecting rods 33, it is sufficiently stable；Further, for the tapered technical scheme of spring 40, volute spring 40 It is set in the connecting rod 33 of taper catch 30, further increases the stability of spring 40, and then reduces valve element 20 and gear The probability that piece 30 shakes, reduce noise caused by relief valve work.

In one embodiment of the invention, the first annulus 31, the second annulus 32 and multiple connecting rods 33 are integral type knot Structure.

In this embodiment, it is integral type structure to set the first annulus 31, the second annulus 32 and multiple connecting rods 33, a side Face adds the bonding strength between the first annulus 31, the second annulus 32 and multiple connecting rods 33, reduces the first annulus 31, Probability between two annulus 32 and multiple connecting rods 33, so as to add the use reliability of product；On the other hand, the first annulus 31st, the second annulus 32 and multiple connecting rods 33, which can be integrally formed, is made, so as to improve production efficiency, reduce the manufacturing into This.

In one embodiment of the invention, as shown in figure 1, the number phase of the number of water hole 23 and water passage 34 Deng, and multiple water holes 23 are corresponded with multiple water passages 34 and set.

In this embodiment, set the number of water hole 23 equal with the number of water passage 34, and multiple water holes 23 With multiple water passages 34 correspond set, then through any water hole 23 current continue move ahead when will not be hindered Hinder, so as to reduce further the probability that turbulent flow occurs when current pass through core assembly, reduce caused by relief valve work Noise.

In one embodiment of the invention, as shown in Figure 2 and Figure 4, valve seat 22 is provided with four water holes 23, catch 30 With four water passages 34.

In this embodiment, four water holes 23 are set on valve seat 22, and four water holes 23 are symmetrically distributed in valve seat 22 Circumference, preferable balanced action can be played to valve seat 22, and set fewer number of water hole 23 to ensure valve seat 22 With larger discharge area, and then the water velocity of relief valve is ensure that, correspondingly, set four to cross water on catch 30 and lead to Road 34, four water passages 34 are symmetrically distributed in the circumference of catch 30, pass through catch 30 with making water flow stationary.

In summary, relief valve provided by the invention, multiple water holes are set on the valve seat of valve element, make valve seat and valve body it Between the way of contact be face contact, when one side water passes through valve seat through multiple water holes, balanced action can be played to valve seat, from And the frequency that valve seat hits valve body is reduced, the contact area of valve seat and valve body is on the other hand increased, so as to reduce valve seat With valve body collision caused by the sound, realize the purpose of noise reduction.

In the present invention, term " first ", " second " are only used for the purpose described, and it is not intended that instruction or hint phase To importance；Term " multiple " then refers to two or more, is limited unless otherwise clear and definite.Term " installation ", " connected ", Terms such as " connections " all should be interpreted broadly, for example, " connection " can be fixedly connected or be detachably connected, or one Connect body；" connected " can be joined directly together, and can also be indirectly connected by intermediary.For the ordinary skill of this area For personnel, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.

In the description of this specification, the description of term " one embodiment ", " some embodiments ", " specific embodiment " etc. Mean to combine at least one reality that specific features, structure, material or the feature that the embodiment or example describe are contained in the present invention Apply in example or example.In this manual, identical embodiment or reality are not necessarily referring to the schematic representation of above-mentioned term Example.Moreover, description specific features, structure, material or feature can in any one or more embodiments or example with Suitable mode combines.

The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies Change, equivalent substitution, improvement etc., should be included in the scope of the protection.

Claims

A kind of 1. relief valve, it is characterised in that including：

Valve body, the valve body have water inlet and delivery port；

Valve element, the valve element are arranged in the valve body, and include valve rod and valve seat, institute close to the water inlet, the valve element State valve seat and be provided with multiple water holes, and the way of contact between the valve seat and the valve body contacts for face；

Catch, the catch are arranged in the valve body, and are set in close to the delivery port, the catch on the valve rod； With

Spring, the spring are set on the valve rod, and are supported between the valve seat and the catch；

Multiple water holes are along the circumferentially disposed of the valve seat, the curved strip of water hole.
2. relief valve according to claim 1, it is characterised in that

The area that the water hole surrounds tapers into along the direction of current.
3. relief valve according to claim 1, it is characterised in that

The valve rod and the valve seat are integral type structure.
4. relief valve according to claim 1, it is characterised in that

Direction of the central diameter of the spring along current gradually increases.
5. relief valve according to any one of claim 1 to 4, it is characterised in that

The catch includes：

First annulus, first annulus are set on the valve rod；

Second annulus, the lateral wall of second annulus are engaged with the madial wall of the valve body, and second annulus is interior Side wall surrounds diameter of a circle and surrounds diameter of a circle more than the lateral wall of first annulus；With

Multiple connecting rods, one end of the connecting rod are connected with the lateral wall of first annulus, the other end and described second The madial wall of annulus is connected, and the catch is had multiple water passages, and the spring supporting is in multiple connecting rods On.
6. relief valve according to claim 5, it is characterised in that

First annulus and second annulus are located at different planes, and first annulus closes on the valve seat.
7. relief valve according to claim 5, it is characterised in that

First annulus, second annulus and multiple connecting rods are integral type structure.
8. relief valve according to claim 5, it is characterised in that

The number of the water hole is equal with the number of the water passage, and multiple water holes lead to multiple water of crossing Road, which corresponds, to be set.
9. relief valve according to claim 8, it is characterised in that

The valve seat is provided with four water holes, and the catch has four water passages.