CN207229831U - A kind of pressure balance thermostatic valve core - Google Patents

Abstract

The utility model provides a kind of thermostatic valve core for including equilibrated valve, belongs to sanitary bath equipment component.Including shell and base, it is equiped with handle, rotating seat, balance valve seat and built-in equilibrated valve, movable plate, stator in shell successively from top to bottom, wherein rotating seat and balance valve seat, movable plate combination is connected, and rotating handles drives assembly synchronous rotary during use.The utility model is compared with prior art, equilibrated valve is arranged on movable plate, stator top, current match somebody with somebody combination switch/current limliting by movable plate, stator, pass through equilibrated valve again, so when closing this pressure balance thermostatic valve core, flow inlet is completely severed, and so fundamentally solves the problems, such as that hot water or cold water can be by equilibrated valve crossfire.

Description

A kind of pressure balance thermostatic valve core

Technical field

It the utility model is related to a kind of sanitary bath equipment component, more particularly to a kind of thermostatic valve core for including equilibrated valve.

Background technology

Existing typical case has the thermostatically-controlled equipment of equilibrated valve, has been widely used in shower set, user can A temperature control bar is turned through leader is tuned, is relatively rotated so as to interlock potsherd on one with a lower potsherd fixed, by In potsherd bottom surface on this formed with a water inlet chamber and a closing wall, therefore, when handle is closed, from pressure Hot water or cold water's entrance of balanced valve enters and reaches the hot water or cold water of lower potsherd hot water or cold water through hole, can be by the closing of upper potsherd Wall is closed stop, be closed thermostatically-controlled equipment and can not water outlet.

As China's patent provides a kind of hot and cold water tap pressure balance（Application number CN201020106841.8）, It is exactly typical said structure, i.e. hot water or cold water is first by equilibrated valve balancing water pressure, then leads to and be made of upper and lower potsherd Switch valve core current carried out with switch shut off control, but the spool of said structure feature also exists ask as follows in actual use Topic：Equilibrated valve generally comprises the overcoat and an inner sleeve slided of a fixation, utilizes the differential water pressures of hot water or cold water, the inner sleeve The water yield at high hydraulic pressure end can be reduced with this, the effect of stable water temperature can be reached in being slid in overcoat.Equilibrated valve There must be certain gap to support slip of the sliding inner sleeve in fixed jacket between fixed jacket and sliding inner sleeve, when Switch valve core controls Guan Shuishi, and equilibrated valve is still connected with water route, when cold water or hot water pressure significantly greater than other side, current meeting Along gap crossfire between fixed jacket and sliding inner sleeve into the less water route of another hydraulic pressure, hot water line is either flowed out also It is to be flowed into by cold water, can all causes the loss of hot water, produces unnecessary waste.

Utility model content

The utility model is directed to deficiency of the prior art, there is provided one kind will not crossfire, controllable constant pressure constant-temperature effluent Pressure balance thermostatic valve core.

To achieve the above object, the utility model provides following technical solution.

A kind of pressure balance thermostatic valve core, including shell and base, handle, rotation are equiped with shell successively from top to bottom Seat, balance valve seat and built-in equilibrated valve, movable plate, stator, wherein rotating seat and balance valve seat, movable plate combination linkage connect Connect, rotating handles drives assembly synchronous rotary during use.

Further, the upper end of rotating seat perisporium is equipped with several linkage card slots one, balances the upper end end face of valve seat perisporium Punishment is furnished with the card convex one upwardly extended, and the quantity of card convex one, position are corresponding with linkage card slot one；Balance under valve seat perisporium The card convex two extended downwardly is distributed with end endface, several linkage card slots two are interval with the perisporium of movable plate, card convex two Quantity, position are corresponding with linkage card slot two, balance the card convex one of valve seat, card convex two is inserted into the linkage card slot one of rotating seat respectively And the linkage card slot two of movable plate, it is combined as a linkage structure.Of course, balance valve seat perisporium upper end may be designed as containing Several limit holes, the lower face of rotating seat are correspondingly provided with limited post, and rotating seat can equally coordinated with balance valve seat and installs Linked.

Further, several bayonets are interval with the perisporium of shell, the lower end of shell is additionally provided with upward concave card Groove one, base are equipped with strip matched with bayonet and the matched card convex three of card slot one, use are additionally provided with the perisporium of stator In the card slot two of positioning.

Further, between rotating seat and balance valve seat top surface, between balance valve seat bottom surface and movable plate, stator and base top Between the face and bottom surface of base is separately installed with sealing ring one, sealing ring two, sealing ring three, sealing ring four.

Further, balancing valve seat includes the balance valve chamber and mixing exhalant canal of an accommodating equilibrated valve, balanced valve Middle part is equipped with the cold water inlet and water inlet of hot water communicated respectively with the hot and cold water inlet of movable plate below chamber, balances valve chamber Both sides are respectively equipped with cold water water outlet and hot water outlet above, outside the balance valve chamber between cold water water outlet and hot water outlet Wall is equipped with waterproof strip, and waterproof strip makes cold water water outlet and hot water outlet be communicated respectively with mixing exhalant canal.In this way, balance Valve seat can complete the constant pressure circulation of hot water or cold water and the mixing exhalant canal in it forms confluence and mixed, so that Whole device constant-temperature effluent.

Further, valve chamber one end open is balanced towards installing port is externally provided with, and the other end is set for bottom of chamber, balanced valve cavity wall There are the first limited step and the second limited step.

Further, balance valve seat is integrated injection molding.In this way, it is different from split type balanced valve of the prior art Seat, can reduce leakage point, and the balance valve seat construction provided in the utility model is clearly demarcated, and processing is also convenient for.

Further, it is in band of column shape that equilibrated valve, which includes fixed jacket, sliding inner sleeve, fixed jacket, sliding inner sleeve, Sliding inner sleeve is installed in fixed jacket and is axially moveable, and is in close contact with fixed jacket inner wall.

Further, one end outwardly of fixed jacket is also equipped with cock, and cock end is equipped with water outlet notch.

Further, fixed jacket and sliding inner sleeve are that stainless steel is made.

Compared with prior art, equilibrated valve is arranged on movable plate, above stator to the utility model, and current are by movable plate, fixed Piece matches somebody with somebody combination switch/current limliting, then by equilibrated valve, so when closing this pressure balance thermostatic valve core, flow inlet is complete Full cut-out, so fundamentally solves the problems, such as that hot water or cold water can be by equilibrated valve crossfire.

Corresponding, the utility model provides a kind of new mounting structure, by rotating seat and balance valve seat, movable plate combination connection Dynamic connection, spacing assembling is carried out using each card slot and card convex, and realization is non-fully fixed, then by shell and base by each component in it Offset and be press fit together, actual fixed only being clasped by shell and base, so that integral installation, disassemble it is convenient. Rotating handles drives assembly synchronous rotary during use, will so not influence the effect of movable plate and stator cooperation generation current-intercepting switch With.

Pressure balance thermostatic valve core provided by the utility model, under spool closed mode, hot and cold water will not crossfire, keep away The waste of water resource is exempted from.Water flows through movable plate, stator switch/current limliting, automatic by equilibrated valve subsequently into equilibrated valve Hot water or cold water's pressure balance is adjusted, the two water is kept certain proportion substantially, so as to reach the effect of constant-temperature effluent.

Brief description of the drawings

Fig. 1 is the explosive decomposition figure of the utility model embodiment.

Fig. 2 is the overall sectional view of the utility model embodiment.

Fig. 3 is the partial enlarged view in Fig. 2.

Fig. 4 is the schematic perspective view that valve seat is balanced in the utility model embodiment.

Fig. 5 is the top and bottom perspective views that valve seat is balanced in the utility model embodiment.

Fig. 6 is the exploded view of equilibrated valve in the utility model embodiment.

In figure, 1, shell；11st, bayonet；12nd, card slot 1, base；21st, strip；22nd, card convex three；3rd, handle；4th, rotate Seat；41st, link card slot one；5th, valve seat is balanced；50th, sealing plane；51st, card convex one；52nd, card convex two；53rd, valve chamber is balanced；531、 Installing port；532nd, bottom of chamber；533rd, the first limited step；534th, the second limited step；535th, bottom of chamber water-carrying groove；54th, water outlet is mixed Passage；55th, cold water inlet；56th, water inlet of hot water；57th, cold water water outlet；58th, hot water outlet；59th, waterproof strip；591st, it is cold Water water outlet flow-guiding channel；592nd, hot water effluent's flow-guiding channel；6th, equilibrated valve；61st, fixed jacket；62nd, sliding inner sleeve；63、 Cock；631st, water outlet notch；632nd, water outlet notch bottom surface；633rd, face in cock；64th, balanced valve cold water water outlet；65th, balanced valve Hot water outlet；7th, movable plate；71st, link card slot two；8th, stator；81st, card slot two；91st, seal one；92nd, sealing ring two；93rd, it is close Seal three；94th, sealing ring four.

Embodiment

In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation Example, is further elaborated the utility model.It should be appreciated that specific embodiment described herein is only explaining The utility model, is not used to limit the utility model.

As shown in figures 1 to 6, a kind of pressure balance thermostatic valve core, including shell 1 and base 2, in shell 1 from top to bottom successively It is equiped with handle 3, rotating seat 4, balance valve seat 5 and built-in equilibrated valve 6, movable plate 7, stator 8, the wherein peace of rotating seat 4 Weighing apparatus valve seat 5, the combination of movable plate 7 are connected, and rotating handles 3 drives assembly synchronous rotary during use.

The middle part of rotating seat 4 raises up equipped with the becket for being used to connect handle 3, passes through between handle 3 and becket Latch 31 is fixedly connected.

3 linkage card slots 1 are interval with 4 perisporium of rotating seat, the upper end endface of balance 5 perisporium of valve seat is distributed with The card convex 1 upwardly extended, the quantity of card convex 1, position are corresponding with linkage card slot 1；Balance under 5 perisporium of valve seat The card convex 2 52 extended downwardly is distributed with end endface, and 4 linkage card slots 2 71, linkage card are interval with the perisporium of movable plate 7 Groove 2 71 is half straight slot, and opening up, and the quantity of card convex 2 52, position are corresponding with linkage card slot 2 71, balance valve seat 5 Card convex 1, card convex 2 52 are inserted into the linkage card slot 1 of rotating seat 4 and the linkage card slot 2 71 of movable plate 7 respectively, are combined as one A linkage structure.Several bayonets 11 are interval with the perisporium of shell 1, the lower end of shell 1 is additionally provided with upward concave card slot One 12, base 2 is equipped with strip 21 matched with bayonet 11 and the matched card convex 3 22 of card slot 1, the perisporium of stator 8 On be additionally provided with card slot 2 81 used for positioning, card slot 2 81 is half straight slot, and opening down, for strip 21, card convex 3 22 with Its spacing insertion depth when offseting of card slot 2 81, avoids influencing the installation of dynamic stator 7,8.Rotating seat 4 is pushed up with balance valve seat 5 Between face, between balance 5 bottom surface of valve seat and movable plate 7, between 2 top surface of the stator 8 and base and bottom surface of base 2 installs respectively There are sealing ring 1, sealing ring 2 92, sealing ring 3 93, sealing ring 4 94.

Strip 21, card convex 3 22 are inserted into card slot 2 81 and position between base 2 and stator 8 are fixed up, then allow shell 1 Underthrust, makes the limit installation of card slot 1 and 3 22 auxiliaring shell 1 of card convex and base 2, and strip 21 is caught in bayonet 11 and is formed in fact Matter is fixed, and completes the general assembly of thermostatic valve core.

Rotating seat 4 and balance valve seat 5, the combination of movable plate 7 are connected, and spacing assembling is carried out using each card slot and card convex, real Now non-fully fix, then each component in it is offseted with base 2 by shell 1 and is press fit together, it is actual fixed only by shell 1 and bottom Seat 2 is clasped, so that integral installation, disassemble it is convenient.Rotating handles 3 drives assembly synchronous rotary during use, Movable plate 7 so will not influenced and stator 8 coordinates the effectiveness of generation current-intercepting switch.

The cold water inlet, water inlet of hot water and mixing water outlet of respective component are equipped with movable plate 7, stator 8 and base 2 Mouthful.

Balance valve seat 5 is integrated injection molding.Balance valve seat 5 include an accommodating equilibrated valve 6 balance valve chamber 53 and Aquaporin-5 4 is blended, middle part below valve chamber 53 is balanced and is equipped with the cold water inlet communicated respectively with 7 hot and cold water inlet of movable plate 55 and water inlet of hot water 56, balance both sides above valve chamber 53 and be respectively equipped with cold water water outlet 57 and hot water outlet 58, cold water Water outlet 57 and hot water outlet 58 are communicated with blending Aquaporin-5 4 respectively.53 one end open of balance valve chamber court is externally provided with installation Mouth 531, the other end are to be equipped with the first limited step 533 and the second limited step 534, chamber for bottom of chamber 532, balance 53 inner wall of valve chamber The bottom surface at bottom 532 be additionally provided with beneficial to water bottom of chamber water-carrying groove 535.

The axis of balance valve chamber 53 is mutually perpendicular to blending the axis of Aquaporin-5 4, cold water water outlet 57 and hot water effluent Waterproof strip 59 is equipped between mouth 58,59 one end of waterproof strip is integrally connected with balance 5 inner wall of valve seat, and the other end extends to mixing Exhalant canal 54, the hot water or cold water's water outlet flow-guiding channel 591,592 balanced on valve seat 5 is spaced from each other, and hot water or cold water distinguishes water outlet Confluence is in blending in Aquaporin-5 4 again.

5 top of balance valve seat, which sets to the concave, is useful for the sealing plane 50 of accommodating sealing ring one, and waterproof strip 59 is relative to flat Plane will protrude on the outer wall of weighing apparatus valve chamber 53, and be in same level with sealing plane 50.Balance 53 related cold water of valve chamber Water outlet 57 and hot water outlet 58 will be less than 50 place horizontal plane of sealing plane, meanwhile, blend 4 upper surface institute of Aquaporin-5 To be less than plane on the outer wall of balance valve chamber 53 in plane, thus, hot water or cold water's easily stream blending in Aquaporin-5 4 in low gesture, Waterproof strip 59 and the inner wall of balance valve seat 5 just form hot water or cold water's water outlet water conservancy diversion circulation passage 591,592.

It is in band of column shape that equilibrated valve 6, which includes fixed jacket 61, sliding inner sleeve 62, fixed jacket 61, sliding inner sleeve 62, Sliding inner sleeve 62 is installed in fixed jacket 61 and is axially moveable, and is in close contact with 61 inner wall of fixed jacket.Equilibrated valve 6 Fixed jacket 61 and the concrete structure of sliding inner sleeve 6 be：62 inner cavity of sliding inner sleeve sets a water-stop sheet, in left and right two parts perisporium On be respectively equipped with inner sleeve cold water inlet and inner sleeve water inlet of hot water, fixed jacket 61 is fixedly mounted in balance valve chamber 5, fixed Inner sleeve cold water inlet is corresponded on the perisporium of overcoat 61 and offers overcoat cold water inlet and overcoat heat with inner sleeve water inlet of hot water Water water inlet.One end outwardly of fixed jacket 61 is also equipped with cock 63, and 63 end of cock is equipped with water outlet notch 631.During installation, Fixed jacket 61 is filled in after being installed with 62 sets of sliding inner sleeve in balance valve chamber 53, and cock 63 screws in balance valve chamber 53 and blocks installing port 531, water outlet notch bottom surface 632 and the first limited step 533 of cock 63 offset.Fixed jacket 61 is fixed on water outlet notch bottom surface 632 and second between limited step 534, has one between the inner end port of fixed jacket 61 and the bottom of chamber 532 for balancing valve chamber 53 Fixed gap, is for balanced valve cold/hot water water outlet 64/65, in the outer end port of fixed jacket 61 and cock between face 633 Gap be for balanced valve hot/cold water water outlet 65/64, balanced valve cold water water outlet 64 and balanced valve hot water outlet 65 respectively with Cold water water outlet 57 on balance valve chamber 53 is connected with hot water outlet 58.The moving range of sliding inner sleeve 62 face in cock 633 between bottom of chamber 532.

In the present embodiment, fixed jacket 61 and sliding inner sleeve 62 are made for stainless steel material, and stainless steel is not likely to produce burn into Spot corrosion, corrosion or abrasion, avoid such as copper, plastics and easily scale the shortcomings that easy to aging, substantially prolongs making for equilibrated valve Use the service life；And stainless steel is non-friable, the good easy processing of ductility, its production cost reduces at least 1/2, but material compared to ceramics It is not weaker than ceramics, practical value higher in characteristic；In addition, the thermal conductivity of stainless steel is relatively low, with respect to copper, ceramics, it is less susceptible to pass Heat, is placed in faucet valve body and is not easy to make tap scald one's hand because hot water circulates, security performance higher.The overcoat of stainless steel It is very high with the polished processing rear surface finish of inner sleeve, so as to reduce resistance to sliding of the inner sleeve in overcoat, improve balance and adjust The precision of pressure；The gap between overcoat and inner sleeve is not more than 2 again, is close contact state, current substantially will not be from overcoat The channeling water between inner sleeve, and because its hardness is very high, the tiny sandstone fallen into therebetween can be ground with the slip of inner sleeve, ensure that Inner sleeve sliding process it is smooth.

Equilibrated valve using stainless steel as material has service life length, security performance is high, production cost is low, inner sleeve is slided Smooth the advantages that being not easy bite is moved, user can be reduced and changed the outfit number, saves living cost.

Of course, fixed jacket 61 and sliding inner sleeve 62 or the common used material such as plastics or ceramics are made.

Pressure balance thermostatic valve core provided in embodiment, is directly connected with water route, is used cooperatively without water check valve.It is existing Some thermostatically-controlled equipments, when it is from the moment for opening out water state and being closed sealing, treat potsherd hot water or cold water, it will usually The hot water or cold water inlet of equilibrated valve is back to, and produces water hammer effect, particularly under high water pressure condition, is easily sent Unpleasant water hammer.To avoid this case, it is common practice that in the cold of the hot water or cold water inlet towards equilibrated valve Water check valve is added on hot intake tunnel, is flowed back with waterproof body, produces water hammer effect.But valve element design can virtually be increased by so doing Difficulty, increases living cost.Pressure balance thermostatic valve core in the utility model, the first current-intercepting switch with dynamic, stator of current, When thermostatic valve core is closed in its cooperation, current crossing is closed, and the occluded water in equilibrated valve can not retract to water pipeline In, water hammer effect would not be also produced, so water check valve need not be added.

The workflow of the present embodiment：After pressure balance thermostatic valve core is assembled in the manner aforesaid, installation and tap In valve body, with it is hot and cold, mixing water water route is corresponding respectively.Cold water along the cold water inlet of base 2, stator 8 cold water inlet, The cold water inlet of movable plate 7 to the cold water inlet 55 for balancing valve seat 5 enters in balance valve chamber 53, then along the outer of fixed jacket 61 Cold water inlet, the inner sleeve cold water inlet of sliding inner sleeve 62 are covered to balanced valve cold water water outlet 64, then from cold water water outlet 57 Flow out in along cold water water outlet flow-guiding channel 591 to mixing aquaporin 54 and carry out mixing water outlet.Similarly, hot water of the hot water along base 2 Water inlet, the water inlet of hot water of stator 8, water inlet of hot water to the water inlet of hot water 56 for balancing valve seat 5 of movable plate 7 enter balanced valve In chamber 53, then along the overcoat water inlet of hot water of fixed jacket 61, sliding inner sleeve 62 inner sleeve water inlet of hot water to balanced valve hot water Water outlet 65, then flow out in along hot water effluent's flow-guiding channel 592 to mixing aquaporin 54 and blended from hot water outlet 58 Water.

Cold water inlet, water inlet of hot water and the mixing water outlet of movable plate 7 are intake with cold water inlet, the hot water of stator 8 Mouth and mixing water outlet correspond to respectively, and when handle 3 rotates, the correspondence aperture latus rectum of movable plate will be decreased or increased, so as to change Actually enter the size of the water in equilibrated valve 6.Sliding inner sleeve 2 is according to the size of hydraulic pressure in equilibrated valve, in fixation Automatic counter regulation movement, when pressure at inlet increases, reduces latus rectum, reduces the change of flow automatically in overcoat 61, otherwise also So.Equilibrated valve automatically adjusts hot water or cold water's pressure balance, the two water is kept certain proportion substantially, so as to reach constant temperature The effect of water outlet.

The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this All any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model Protection domain within.

Claims (7)

1. a kind of pressure balance thermostatic valve core, it is characterised in that including shell（1）And base（2）, shell（1）Inside from top to bottom Handle is equiped with successively（3）, rotating seat（4）, balance valve seat（5）And built-in equilibrated valve（6）, movable plate（7）, stator（8）, Wherein rotating seat（4）With balance valve seat（5）, movable plate（7）Combination is connected, rotating handles during use（3）Drive assembly same Step rotation.

2. pressure balance thermostatic valve core as claimed in claim 1, it is characterised in that rotating seat（4）With balancing valve seat（5）Top surface Between, balance valve seat（5）Bottom surface and movable plate（7）Between, stator（8）With base（2）Between top surface and base（2）Bottom surface It is separately installed with sealing ring one（91）, sealing ring two（92）, sealing ring three（93）, sealing ring four（94）.

3. pressure balance thermostatic valve core as claimed in claim 1, it is characterised in that balance valve seat（5）Including an accommodating pressure Balanced valve（6）Balance valve chamber（53）And mixing exhalant canal（54）, balance valve chamber（53）Below middle part be equipped with respectively with it is dynamic Piece（7）The cold water inlet that hot and cold water inlet communicates（55）And water inlet of hot water（56）, balance valve chamber（53）Above both sides point She You not cold water water outlet（57）And hot water outlet（58）, cold water water outlet（57）And hot water outlet（58）Respectively with mixing Exhalant canal（54）Communicate.

4. pressure balance thermostatic valve core as claimed in claim 1, it is characterised in that balance valve chamber（53）One end open is towards peripheral hardware There is installing port（531）, the other end is for bottom of chamber（532）, balance valve chamber（53）Inner wall is equipped with the first limited step（533）With second Limited step（534）.

5. the pressure balance thermostatic valve core as described in claim 1-4 is any, it is characterised in that balance valve seat（5）It is integrated note It is moulded into type.

6. pressure balance thermostatic valve core as claimed in claim 1, it is characterised in that equilibrated valve（6）Including fixed jacket （61）, sliding inner sleeve（62）, fixed jacket（61）, sliding inner sleeve（62）It is in band of column shape, sliding inner sleeve（62）Installed in fixation Overcoat（61）Inside it is axially moveable, and and fixed jacket（61）Inner wall is in close contact.

7. pressure balance thermostatic valve core as claimed in claim 6, it is characterised in that fixed jacket（61）One end outwardly also pacify Equipped with cock（63）, cock（63）End is equipped with water outlet notch（631）.