CN204553854U - Valve and there is the air-conditioner coolant adding set of this valve - Google Patents

Valve and there is the air-conditioner coolant adding set of this valve Download PDF

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Publication number
CN204553854U
CN204553854U CN201520044713.8U CN201520044713U CN204553854U CN 204553854 U CN204553854 U CN 204553854U CN 201520044713 U CN201520044713 U CN 201520044713U CN 204553854 U CN204553854 U CN 204553854U
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China
Prior art keywords
spool
valve
sub
chamber
interconnecting part
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CN201520044713.8U
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Chinese (zh)
Inventor
冼志健
黄懿
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TCL Air Conditioner Zhongshan Co Ltd
TCL Air Conditioner Wuhan Co Ltd
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TCL Air Conditioner Zhongshan Co Ltd
TCL Air Conditioner Wuhan Co Ltd
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Priority to CN201520044713.8U priority Critical patent/CN204553854U/en
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Abstract

The utility model discloses a kind of valve, for binder pipe and needle-valve, this valve comprises valve body, spool, bonnet and adjusting element, bonnet is provided with the material mouth for being connected with material pipe, valve body is connected with needle-valve, first interconnecting part of spool just to the second interconnecting part of material mouth, spool just to the thimble of needle-valve, adjusting element moves along the axial direction of spool for controlling the relative bonnet of spool; When spool is conditioned part control to the first limit position, the thimble of the first interconnecting part sealing material mouth, the second interconnecting part non-contravention needle-valve; When spool be conditioned part control to the second limit position time, have gap between the first interconnecting part and material mouth, a thimble that the second interconnecting part backs down described needle-valve.The invention also discloses a kind of air-conditioner coolant adding set.Valve provided by the utility model can avoid the phenomenon occurring secondary refrigerant leakage in the process of the coolant quantity of adjustment air conditioner heat exchange system, to make to draw refrigerant adjustment amount accurately by the of poor quality of refrigerant bottle before and after adjustment coolant quantity.

Description

Valve and there is the air-conditioner coolant adding set of this valve
Technical field
The utility model relates to a kind of valve and a kind of air-conditioner coolant adding set with this valve.
Background technique
In the process of air conditioner research and development, Performance Match is the first operation of research staff, is also a most loaded down with trivial details pass.In whole matching process, performance design personnel need to determine relevant coolant quantity and capillary dimension, allow both match parameter that an optimum effect finally could determine product.Obtain refrigerant adjustment amount accurately, normally determined by refrigerant bottle of poor quality before and after adjustment refrigerant, usually use ordinary couplings connect the flexible pipe of refrigerant bottle and the needle-valve of three-way valve and refrigerant bottle is communicated with air conditioner heat exchange system at present.But, to tighten or in the process of unscrewing at the copper screw cap of ordinary couplings and three-way valve needle-valve, the thimble of ordinary couplings can back down the thimble of needle-valve, thus refrigerant when causing copper screw cap and needle-valve to be in not complete tight condition in refrigerant bottle or the refrigerant in air conditioner heat exchange system will be discharged from the gap of copper screw cap and needle-valve rapidly, cause the leakage of refrigerant, the amount of leakage of refrigerant with tighten (or unscrewing) speed, the coolant quantity of refrigerant bottle, the coolant quantity of air conditioner heat exchange system is correlated with, so, performance design personnel cannot obtain the adjustment amount accurately (adding quantity or reduction) of refrigerant in air conditioner heat exchange system, and then cause performance design personnel need in the matching process to air conditioner heat exchange system carry out repeatedly take out note to debug, add the workload of performance design personnel, reduce the efficiency that performance design personnel debug air conditioner heat exchange system.
Model utility content
Main purpose of the present utility model is to provide a kind of valve and a kind of air-conditioner coolant adding set with this valve, be intended to occur that refrigerant is from the phenomenon revealed between valve and the needle-valve of three-way valve in the process of the coolant quantity avoiding performance design personnel in adjustment air conditioner heat exchange system, to make performance design personnel draw refrigerant adjustment amount accurately by the of poor quality of refrigerant bottle before and after adjustment coolant quantity, thus improving performance designer debugs the efficiency of air conditioner heat exchange system.
For achieving the above object, the utility model provides a kind of valve, for binder pipe and needle-valve, described valve comprises valve body, spool and bonnet, described valve body has the first material end and the second material end that are oppositely arranged, one end of described bonnet is provided with the material mouth for being connected with described material pipe, the other end of described bonnet is connected with described first material end, described second material end is used for being connected with described needle-valve, described valve body is provided with the first material chamber at described first material end, and be provided with the second material chamber at described second material end, described material mouth is communicated with described first material chamber, described spool is provided with the first interconnecting part and the second interconnecting part that are oppositely arranged, described spool is actively located in described valve body, and described first interconnecting part is contained in described first material chamber, described second interconnecting part is contained in described second material chamber, described first interconnecting part is just arranged described material mouth, described second interconnecting part is just arranged the thimble of described needle-valve, material transfer chamber is provided with in described spool, described material transfer chamber is communicated with described first material chamber by described first interconnecting part, and be communicated with described second material chamber by described second interconnecting part, described valve also comprises adjusting element, described adjusting element is arranged on described valve body, and be fixedly connected with described spool, described adjusting element moves along the axial direction of described spool for controlling the relatively described bonnet of described spool, when described spool is controlled to when the first limit position of described bonnet by described adjusting element, described first interconnecting part seals described material mouth, has gap between described second interconnecting part and the thimble of described needle-valve, when described spool is controlled to the second limit position away from described bonnet by described adjusting element, there is gap between described first interconnecting part and described material mouth, a thimble that described second interconnecting part backs down described needle-valve.
Preferably, described bonnet comprises bonnet body, described bonnet body has the first surface and second that are oppositely arranged, described second towards described first material end, described bonnet also comprises the bonnet shade extended to form towards described first material end from the periphery of described second, described bonnet shade is connected with described first material end, and described material mouth to be arranged on described bonnet body and to extend to the direction deviating from described first surface.
Preferably, described bonnet body is provided with the Seal cage be communicated with described material mouth, described Seal cage and the coaxial setting of described material mouth, the cross-section area of described Seal cage is greater than the cross-section area of described first interconnecting part, described first interconnecting part be just sealing surface to the end face of described material mouth, described first interconnecting part is provided with some first holes at the side opening of adjacent described sealing surface, when described spool is controlled to when the first limit position of described bonnet by described adjusting element, the one end in described first interconnecting part enters described Seal cage until described sealing surface the is conflicted close described first material chamber of described material mouth and seal described material mouth.
Preferably, described bonnet body is also provided with pad chamber, described pad chamber is located between described material mouth and described Seal cage, and described pad chamber is all communicated with described Seal cage with described material mouth, described pad chamber and the coaxial setting of described material mouth, the cross-section area of described Seal cage is less than the cross-section area in described pad chamber, described valve also comprises first gasket seal that can adaptive be installed in described pad chamber, when described spool is controlled to when the first limit position of described bonnet by described adjusting element, described sealing surface is conflicted described first gasket seal and seal described material mouth.
Preferably, described second interconnecting part be just pushing surface to the end face of the thimble of described needle-valve, described second interconnecting part is provided with some second holes at the side opening of adjacent described pushing surface, when described spool is controlled the second limit position extremely away from described bonnet by described adjusting element, described pushing surface backs down the thimble of described needle-valve.
Preferably, described valve body offers the regulating tank passed for described adjusting element, and in be provided with the movable chamber worn for the activity of described spool, described regulating tank is communicated with described movable chamber, the cross section perpendicular to described regulating tank depth direction of described regulating tank comprises the first groove perpendicular to described valve axis direction and the second groove, and be communicated with the 3rd groove of described first groove and the second groove, described first groove is near described first material end, described second groove is near described second material end, when described adjusting element snaps in described first groove from described 3rd groove, described spool is positioned at described first limit position, when described adjusting element snaps in described second groove from described 3rd groove, described spool is positioned at described second limit position.
Preferably, described valve also comprises the first seal ring and the second seal ring, inconsistent with the chamber wall in described movable chamber on the outer side surface that described first seal ring and the second seal ring are set in described spool, and described first seal ring and the second seal ring are divided into the both sides along valve axis direction of described regulating tank, to make the second material chamber and described regulating tank described in the first material chamber described in described first seal ring seal isolation and described regulating tank, described second seal ring seal isolation.
Preferably, the outer side surface of described spool is arranged with the first groove supplying described first seal ring adaptation to install and the second groove be arranged with for described second seal ring adaptation installation, described first seal ring is sheathed in described first groove, described second seal ring is sheathed in described second groove, when moving along the axial direction of described spool in described movable chamber to make described spool, the invariant position of described first seal ring and the relative described spool of described second seal ring.
Preferably, described spool comprises the first sub-spool, the second sub-spool and the 3rd sub-spool that connect successively, and described first sub-spool, the second sub-spool and the coaxial setting of the 3rd sub-spool, described second interconnecting part is arranged near described first sub-spool, and the cross-section area of the cross-section area of described first sub-spool, the cross-section area of described second sub-spool and described 3rd sub-spool increases successively; Described movable chamber comprise adaptive first movable chamber corresponding to described first sub-spool, with the second movable chamber of the corresponding adaptation of described second sub-spool and the 3rd movable chamber with the corresponding adaptation of described 3rd sub-spool, wherein, the cross-section area in described first movable chamber is greater than the cross-section area of the first sub-spool and is less than the cross-section area of described second sub-spool, and the cross-section area in described second movable chamber is greater than the cross-section area of the second sub-spool and is less than the cross-section area of described 3rd sub-spool; Described adjusting element is fixedly connected on described second sub-spool, and described first groove is located on one end of the described 3rd sub-spool of vicinity of described second sub-spool, and described second groove is located on one end of the described second sub-spool of vicinity of described first sub-spool.
Preferably, described spool also comprises and the 4th sub-spool of the coaxial setting of described 3rd sub-spool and the 5th sub-spool, described 3rd sub-spool, described 4th sub-spool is connected successively with described 5th sub-spool, described first interconnecting part is arranged near described 5th sub-spool, the cross-section area of described 4th sub-spool is greater than the cross-section area of described 3rd sub-spool and the cross-section area of described 5th sub-spool, described valve also comprises the first spring and the second spring, described first spring housing is located on described 5th sub-spool, described second spring housing is located on described 3rd sub-spool, when described spool is installed in after on described valve body, conflict described bonnet in one end away from described 4th sub-spool of described first spring, conflict described valve body in one end away from described 4th sub-spool of described second spring.
In addition, for achieving the above object, the utility model also provides a kind of air-conditioner coolant adding set, comprises material pipe, needle-valve and described valve, and described valve is connected between material pipe and needle-valve.
Valve provided by the utility model can avoid performance design personnel to occur that refrigerant is from the phenomenon revealed between valve and the needle-valve of three-way valve in the process of the coolant quantity of adjustment air conditioner heat exchange system, refrigerant adjustment amount is accurately drawn by the of poor quality of refrigerant bottle before and after adjustment coolant quantity to make performance design personnel, decrease the workload of performance design personnel, thus improving performance designer debugs the efficiency of air conditioner heat exchange system.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model valve one embodiment;
Fig. 2 is the enlarged diagram at II place in Fig. 1;
Fig. 3 is the structural representation of the valve body of valve in Fig. 1;
Fig. 4 is the structural representation of the spool of valve in Fig. 1;
Fig. 5 is the structural representation of the bonnet of valve in Fig. 1.
The realization of the utility model object, functional characteristics and advantage will in conjunction with the embodiments, are described further with reference to accompanying drawing.
Embodiment
Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
The utility model provides a kind of valve.
Referring to figs. 1 through Fig. 5, in one embodiment, this valve is used for binder pipe (not shown) and needle-valve (not shown), this valve comprises valve body 10, spool 20 and bonnet 30, wherein, valve body 10 has the first material end 11 and the second material end 12 be oppositely arranged, one end of bonnet 30 is provided with the material mouth 31 for being connected with material pipe, the other end of bonnet 30 is connected with the first material end 11, second material end 12 is for being connected with needle-valve, valve body 10 is provided with the first material chamber 111 at the first material end 11, and be provided with the second material chamber 121 at the second material end 12, material mouth 31 is communicated with the first material chamber 111, spool 20 is provided with the first interconnecting part 21 and the second interconnecting part 22 be oppositely arranged, spool 20 is actively located in valve body 10, and the first interconnecting part 21 is contained in the first material chamber 111, second interconnecting part 22 is contained in the second material chamber 121, first interconnecting part 21 is just arranged material mouth 31, second interconnecting part 22 is just arranged the thimble of needle-valve, material transfer chamber 28 is provided with in spool 20, in the present embodiment, material transfer chamber 28 extends to the second interconnecting part 22 from the first interconnecting part 21, the bearing of trend in material transfer chamber 28 is parallel to the axial direction of spool 20, material transfer chamber 28 to be communicated with the first material chamber 111 by the first interconnecting part 21 and to be communicated with the second material chamber 121 by the second interconnecting part 22, this valve also comprises adjusting element 40, adjusting element 40 is arranged on valve body 10, and be fixedly connected with spool 20, adjusting element 40 for control spool 20 relatively bonnet 30 move along the axial direction of spool 20, when adjusting element 40 controls spool 20 to when moving to the first limit position near the direction of bonnet 30, between the first interconnecting part 21 sealing material mouth 31, second interconnecting part 22 and the thimble of needle-valve, there is gap, when adjusting element 40 control spool 20 move to the second limit position to the direction away from bonnet 30 time, have gap between the first interconnecting part 21 and material mouth 31, a thimble that the second interconnecting part 22 backs down needle-valve.
The spool 20 of the valve that the present embodiment provides can be communicated with the first material chamber 11 and the second material chamber 12 of valve body 10, and spool 20 is actively located in valve body 10, when adjusting element 40 control spool 20 move to the first limit position time, first interconnecting part 21 energy sealing material mouth 31 of spool 20, expecting pipe to prevent the material in flow-like (gas or liquid) flows in the first material chamber 11 of valve body 10, simultaneously the second interconnecting part 22 of spool 20 is not conflicted the thimble of needle-valve, flow in the second material chamber 12 of valve body 10 to prevent the material in flow-like (gas or liquid) from needle-valve, namely adjusting element 40 controllable valve core 20 moves to the first limit position and realizes this valve and expect to manage, valve is not all communicated with, and when adjusting element 40 control spool 20 move to the second limit position time, space is had between first interconnecting part 21 of spool 20 and material mouth 31, can expect pipe to make the material in flow-like (gas or liquid) flows in the first material chamber 11 of valve body 10, second interconnecting part 22 of spool 20 backs down the thimble of needle-valve simultaneously, to make the material in flow-like (gas or liquid) can flow in needle-valve from the second material chamber 12 of valve body 10, namely adjusting element 40 controllable valve core 20 move to the second limit position and realize this valve and expect to manage, valve is all communicated with.When this valve is applied in the refrigerant debug process of air conditioner, such as, when this valve is used in the interpolation refrigerant process of air conditioner, first material mouth 31 is connected with the material pipe (being generally flexible pipe) of refrigerant bottle, then spool 20 is limited between the first limit position and the second limit position, open the switch on refrigerant bottle again, the air in row's discharge nozzle; Then spool 20 is limited on the first limit position, refrigerant bottle is closed simultaneously, refrigerant bottle is weighed, to obtain the weight A of refrigerant bottle; Then the second material end 12 of this valve body 10 is connected with the needle-valve of air conditioner three-way valve, owing to having gap between the second interconnecting part 22 of now spool 20 and the thimble of needle-valve, refrigerant in the heat-exchange system of therefore air conditioner can not leak from needle-valve in this connection procedure, thus can ensure that the refrigerant in the heat-exchange system of air conditioner in this connection procedure can not reduce because of leakage; Again spool 20 is limited on the second limit position, to connect the needle-valve of material passing tube and three-way valve; Then refrigerant bottle is opened, by coolant injection to the heat-exchange system of air conditioner until the exchange capability of heat of heat-exchange system meets the demands, close refrigerant bottle; Then again spool 20 is limited on the first limit position, and disconnects the connection between the second material end 12 and needle-valve, then refrigerant bottle is now weighed, to obtain its weight B, thus obtain the refrigerant adding quantity A-B of this air conditioner heat-exchange system; Due in whole operating process, do not have refrigerant and occur from the phenomenon revealed between the second material end 12 and needle-valve, therefore refrigerant adding quantity A-B is refrigerant adding quantity accurately; The operation of the process of the heat-exchange system minimizing refrigerant of air conditioner is contrary with the operation of the process of adding refrigerant, can omit the step of air-discharging; Therefore the valve that the present embodiment provides can avoid performance design personnel to occur that refrigerant is from the phenomenon revealed between valve and the needle-valve of three-way valve in the process of the coolant quantity of adjustment air conditioner heat exchange system, refrigerant adjustment amount is accurately drawn by the of poor quality of refrigerant bottle before and after adjustment coolant quantity to make performance design personnel, decrease the workload of performance design personnel, thus improving performance designer debugs the efficiency of air conditioner heat exchange system.
In the present embodiment, adjusting element 40 in shaft-like, and in other embodiments of the present utility model adjusting element 40 can also but be not limited to be L shape etc.; In the present embodiment, preferably, one end be connected with spool 20 of adjusting element 40 is threaded end 41, spool 20 is provided with the tapped hole 29 for installing adjusting element 40, threaded end 41 adaptation for adjusting element 40 screws in, tapped hole 29 is blind hole, flows out from tapped hole 29 with the material limiting in flow-like (gas or liquid).
Further, in the present embodiment, bonnet 30 comprises bonnet body 32, this bonnet body 32 has the first surface 321 and the second face 322 that are oppositely arranged, wherein, the second face 322 is towards the first material end 11 of valve body 10, and this bonnet 30 also comprises the bonnet shade 33 extended to form towards the first material end 11 from the periphery in bonnet body 32 second face 322, this bonnet shade 33 is connected with the first material end 11, and expects that mouth 31 to be arranged on bonnet body 32 and to extend to the direction deviating from bonnet body 32 first surface 321.In the present embodiment, preferably, bonnet shade 33 is spirally connected with the first material end 11 of valve body 10, to ensure the sealing be connected between bonnet 30 with valve body 10, concrete, described bonnet shade 33 is provided with internal thread, corresponding, the first material end 11 of described valve body 10 is provided with outside thread.
Further, in the present embodiment, bonnet body 32 is provided with and the Seal cage 35 of expecting that mouth 31 is communicated with, sealing chamber 35 and the coaxial setting of material mouth 31, the cross-section area of Seal cage 35 is greater than the cross-section area of spool 20 first interconnecting part 21, can move to make the first interconnecting part 21 of spool 20 in Seal cage 35 along the axial direction of spool 20; Spool 20 first interconnecting part 21 just to material mouth 31 end face be sealing surface 212, the first interconnecting part 21 is provided with some first hole 211, first interconnecting parts 21 at the side opening in contiguous seal face 212 and is communicated with material transfer chamber 28 and the first material chamber 111 by the first hole 211; When adjusting element 40 controls spool 20 to when moving to the first limit position near the direction of bonnet 30, first interconnecting part 21 of spool 20 enters one end near the first material chamber 111 of Seal cage 35 material mouth 31 until sealing surface 212 of the first interconnecting part 21 is conflicted of bonnet 30 and sealing material mouth 31, to realize the isolating seal between the first material chamber 111 of valve body 10 and material pipe.
Further, in the present embodiment, bonnet body 32 is also provided with pad chamber 34, this pad chamber 34 is located between material mouth 31 and Seal cage 35, and pad chamber 34 is all communicated with Seal cage 34 with material mouth 31, pad chamber 34 and the coaxial setting of material mouth 31, the cross-section area of Seal cage 35 is less than the cross-section area in pad chamber 34, this valve also comprises first gasket seal 50 that can adaptive be installed in pad chamber 34, when adjusting element 40 controls spool 20 to when moving to the first limit position near the direction of bonnet 30, the sealing surface 212 of the first interconnecting part 21 is conflicted this first gasket seal 50 and sealing material mouth 31.
In the present embodiment, the cross-section area perpendicular to valve body 10 axial direction of Seal cage 35 is slightly less than the cross-section area perpendicular to valve body 10 axial direction in pad chamber 34, can not spin off from pad chamber 34 easily to make the first gasket seal 50; In the present embodiment, preferably, the free end 311 away from bonnet body 32 first surface 321 of material mouth 31 arranges tapered, so that material mouth 31 inserts binder pipe, in the present embodiment, material pipe can for but be not limited to the flexible pipe that is connected with refrigerant bottle (as fluorine bottle etc.), after material mouth 31 inserts flexible pipe, availablely can the retaining ring (not shown) of adjusting size or band (not shown) flexible pipe closely and be reliably fixed on material mouth 31; Preferably, the outer side surface of material mouth 31 is arranged in wavy, with the reliability is connected between reinforced hose and material mouth 31, thus prevents this valve in use because the pressure in the first material chamber 111 is excessive and cause flexible pipe and expect that the phenomenon that mouth 31 departs from occurs.
In the present embodiment, preferably, valve is also provided with the second gasket seal 60 between the first material end 11 and bonnet body 32 of valve body 10, after bonnet shade 33 and the first material end 11 of valve body 10 connect, the end face of be oppositely arranged two pad faces of this second gasket seal 60 conflict bonnet body 32 and valve body 10 first material end 11 respectively, to ensure the sealing be connected between bonnet 30 with valve body 10 further.
Further, in the present embodiment, spool 20 second interconnecting part 22 be just pushing surface 222 to the end face of the thimble of needle-valve, the second interconnecting part 22 is provided with some second hole 221, second interconnecting parts 22 at the side opening of adjacent pushing surface 222 and is communicated with material transfer chamber 28 and the second material chamber 121 by this second hole 221; When adjusting element 40 control spool 20 move to the second limit position to the direction away from bonnet 30 time, pushing surface 222 backs down the thimble of needle-valve, to realize being communicated with between needle-valve and the second material chamber 12 of valve body 10.
With reference to Fig. 3, further, in the present embodiment, valve body 10 offer the regulating tank 14 that passes for adjusting element 40 and in be provided with the movable chamber 13 worn for spool 20 activity, this regulating tank 14 is communicated with movable chamber 13, the cross section perpendicular to regulating tank 14 depth direction of regulating tank 14 comprises the first groove 141 perpendicular to valve body 10 axial direction and the second groove 142 and the 3rd groove 143 being communicated with the first groove 141 and the second groove 142, wherein, first groove 141 near the first material end 111, second groove 142 of valve body 10 near the second material end 121 of valve body 10; In the present embodiment, when adjusting element 40 snaps in the first groove 141 from the 3rd groove 143, spool 20 moves to described first limit position, and when adjusting element 40 snaps in the second groove 142 from the 3rd groove 143, spool 20 moves to described second limit position.In the present embodiment, 3rd groove 143 can be, but not limited to perpendicular to the first groove 141 and the second groove 143, namely the bearing of trend of the 3rd groove 143 on its cross section perpendicular to regulating tank 14 depth direction is parallel to the axial direction of valve body 10, so that adjusting element 40 can drive described first limit position or described second limit position spool 20 by mobile shorter distance.In the present embodiment, concrete, regulating tank 14 can be, but not limited to be set in " Z " shape, " work " shape etc. perpendicular to the cross section of the depth direction of regulating tank 14.
In the present embodiment, when adjusting element 40 is positioned at the neutral position of the 3rd groove 143, this valve is in original state, now has gap between the sealing surface 212 of the first interconnecting part 21 of spool 20 and material mouth 31, and has gap between the pushing surface 222 of the second interconnecting part 22 of spool 20 and the thimble of needle-valve, when adjusting element 40 snaps in the first groove 141 (adjusting element 40 controls spool 20 to when moving to the first limit position near the direction of bonnet 30), material pipe is not communicated with needle-valve, concrete, the sealing surface 212 sealing material mouth 31 of the first interconnecting part 21 of spool 20, and have gap between the pushing surface 222 of the second interconnecting part 22 of spool 20 and the thimble of needle-valve, to make to expect that the flow-like material (gas or liquid) in pipe cannot flow in the first material chamber 111, and the thimble of needle-valve is not backed down, thus realize that this valve is managed with material, needle-valve is not all communicated with, when adjusting element 40 snaps in the second groove 142 while moving to the second limit position to the direction away from bonnet 30 (adjusting element 40 control spool 20), material pipe is communicated with needle-valve, concrete, gap is had between the sealing surface 212 of the first interconnecting part 21 of spool 20 and material mouth 31, and the pushing surface 222 of the second interconnecting part 22 of spool 20 backs down the thimble of needle-valve, can expect mouth 31 to make the flow-like material in material pipe flows in the first material chamber 111, flow in the second material chamber 121 through the material transfer chamber 28 of spool 20 again, finally flow in needle-valve from the second material chamber 121, thus manage with material while of realizing this valve, needle-valve is all communicated with.
Further, in the present embodiment, this valve also comprises the first seal ring 81 and the second seal ring 82, this first seal ring 81 and the second seal ring 82 are set on the outer side surface of spool 20, and it is inconsistent with the chamber wall in movable chamber 13, and the first seal ring 81 and the second seal ring 82 are divided into the both sides along valve body 10 axial direction of regulating tank 14, to make the first material chamber 11 and the regulating tank 14 of the first seal ring 81 seal isolation valve body 10, second material chamber 12 and regulating tank 14 of the second seal ring 82 seal isolation valve body 10 simultaneously, and then prevent the flow-like material (as fluorine etc.) transmitted from leaking out from the regulating tank 14 be communicated with movable chamber 13.
Further, the outer side surface of spool 20 is arranged with the first groove 241 of the first seal ring 81 adaptation installation, and be arranged with the second groove 231 installed for the second seal ring 82 adaptation, first seal ring 81 is sheathed in the first groove 241, second seal ring 82 is sheathed in the second groove 231, when moving along the axial direction of spool 20 in movable chamber 13 to make spool 20, the invariant position (along with spool 20 moves together) of the first seal ring 81 and the relative spool 20 of the second seal ring 82, and ensure that the first seal ring 81 and/or the second seal ring 82 can not move in regulating tank 14, and then ensure the first material chamber 111 and regulating tank 14 described in the first seal ring 81 energy seal isolation, second seal ring 82 can seal isolation second material chamber 121 and regulating tank 14.It is emphasized that, in other embodiments of the present utility model, also can be arranged with just to the first groove of the first seal ring 81 and just to the second groove of the second seal ring 82 on the chamber wall in movable chamber 13, when moving along the axial direction of spool 20 in movable chamber 13 to make spool 20, the chamber wall invariant position in the first seal ring 81 and the second seal ring 82 relative motion chamber 13, thus ensure that the first seal ring 81 can seal isolation first material chamber 111 and regulating tank 14, second seal ring 82 energy seal isolation second material chamber 121 and regulating tank 14.
Further, spool 20 comprises the first sub-spool 24 of sub-spool 23, second and the 3rd sub-spool 25 connected successively, and the first sub-spool 24 of sub-spool 23, second and the coaxial setting of the 3rd sub-spool 25 (dead in line of the axis of the first sub-spool 23, the axis of the second sub-spool 24 and the 3rd sub-spool 25), second interconnecting part 22 of spool 20 is arranged near the first sub-spool 23, and the cross-section area of the cross-section area of the first sub-spool 23, the cross-section area of the second sub-spool 24 and the 3rd sub-spool 25 increases successively, accordingly, movable chamber 13 comprises corresponding the first adaptive movable chamber 131 of spool 23 sub-with first, adaptive second movable chamber 132 corresponding to the second sub-spool 24, and adaptive three movable chamber 133 corresponding to the 3rd sub-spool 25, concrete, the one end in the first movable chamber 131 is connected with the one end in the second movable chamber 132, the other end in the second movable chamber 132 is connected with the one end in the 3rd movable chamber 133, first movable chamber 131, second movable chamber 132 and the 3rd coaxial setting in the movable chamber 133 (axis in the first movable chamber 131, the axis in the second movable chamber 132 and the dead in line in the 3rd movable chamber 133), the cross-section area in the first movable chamber 131 is less than the cross-section area in the second movable chamber 132, the cross-section area in the second movable chamber 132 is less than the cross-section area in the 3rd movable chamber 133, and the cross-section area in the first movable chamber 131 is greater than the cross-section area of the first sub-spool 23 and is less than the cross-section area of the second sub-spool 24, the cross-section area in the second movable chamber 132 is greater than the cross-section area of the second sub-spool 24 and is less than the cross-section area of the 3rd sub-spool 25, adjusting element 40 is fixedly connected on the second sub-spool 24, first groove 241 is located on one end of the sub-spool 25 of vicinity the 3rd of the second sub-spool 24, second groove 231 is located on one end of the sub-spool 24 of vicinity second of the first sub-spool 23, in the present embodiment, the cross-section area of the first sub-spool 23 is corresponding with the cross-section area in the first movable chamber 131 adaptive (cross-section area in the first movable chamber 131 is only slightly larger than the cross-section area of the first sub-spool 23), the cross-section area of the second sub-spool 24 is corresponding with the cross-section area in the second movable chamber 132 adaptive, the cross-section area of the 3rd sub-spool 25 is corresponding with the cross-section area in the 3rd movable chamber 133 adaptive, even if departed from the first groove 241 to make the first seal ring 81, first seal ring 81 also can be limited in the end face near the second sub-spool 24 of the 3rd sub-spool 25, the outer side surface of the second sub-spool 24, and the 3rd movable chamber 133 formed in space, thus the first seal ring 81 still can play the effect of seal isolation first material chamber 111 and regulating tank 14, even if make the second seal ring 82 depart from the second groove 231 simultaneously, second seal ring 82 also can be limited in the end face near the first sub-spool 23 of the second sub-spool 24, the outer side surface of the first sub-spool 23, and second movable chamber 132 formed in space, thus the second seal ring 82 still can play the effect of seal isolation second material chamber 121 and regulating tank 14.
In the present embodiment, one end away from the second sub-spool 24 of first sub-spool 23 is the second interconnecting part 22, the side of the adjacent pushing surface 222 of the second interconnecting part 22 is that the conical surface is arranged, and the second interconnecting part 22 increases to the position cross-section area away from pushing surface 222 gradually from the position near pushing surface 222, so that wearing between spool 20 and valve body 10 is installed (be namely convenient to when producing, spool 20 is easy to insert in the movable chamber 13 of valve body 10 and realizes wearing installation between spool 20 and valve body 10).
Further, spool 20 also comprises the 4th sub-spool 26 and the 5th sub-spool 27 of the coaxial setting of sub-spool 25 with the 3rd, wherein, 3rd sub-spool 25, the 4th sub-spool 26 are connected successively with the 5th sub-spool 27, first interconnecting part 21 of spool 20 is arranged near the 5th sub-spool 27, in the present embodiment, one end away from the 4th sub-spool 26 of the 5th sub-spool 27 is the first interconnecting part 21, the cross-section area of the 4th sub-spool 26 is greater than the cross-section area of the 3rd sub-spool 25 and the cross-section area of the 5th sub-spool 27, this valve also comprises the first spring 71 and the second spring 72, wherein, first spring 71 is set on the 5th sub-spool 27, second spring 72 is set on the 3rd sub-spool 25, when spool 20 is installed in after on valve body 10, one end conflict bonnet 30 away from the 4th sub-spool 26 of the first spring 71, one end conflict valve body 10 away from the 4th sub-spool 26 of the second spring 72, and when this valve is in original state, first spring 71 and the second spring 72 are all in the raw, so that adjusting element 40 gets back to the neutral position of the 3rd groove 143 from the end positions (i.e. the position at the first groove 141 place and the position at the second groove 142 place) of the 3rd groove 143, thus be convenient to user and moved with the axial direction of movable valve plug 20 along spool 20 by adjusting element 40.
In the present embodiment, preferably, one of any in the first sub-spool 24 of sub-spool 23, second and the 3rd sub-spool 25 have identical cross-section area with the 5th sub-spool 27, to make the process data of spool 20 as far as possible few, so that the production of spool 20; Preferably, the sub-spool 24 of the first sub-spool 23, second, the 3rd sub-spool 25, the 4th sub-spool 26 and the 5th sub-spool 27 are all cylindrical, and spool 20 is formed in one and makes.
The utility model also provides a kind of air-conditioner coolant adding set.
In one embodiment, this air-conditioner coolant adding set comprises the valve in material pipe, needle-valve and previous embodiment, and this valve is connected between material pipe and needle-valve.
These are only preferred embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every utilize the utility model specification and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.

Claims (11)

1. a valve, for binder pipe and needle-valve, it is characterized in that, described valve comprises valve body, spool and bonnet, described valve body has the first material end and the second material end that are oppositely arranged, one end of described bonnet is provided with the material mouth for being connected with described material pipe, the other end of described bonnet is connected with described first material end, described second material end is used for being connected with described needle-valve, described valve body is provided with the first material chamber at described first material end, and be provided with the second material chamber at described second material end, described material mouth is communicated with described first material chamber, described spool is provided with the first interconnecting part and the second interconnecting part that are oppositely arranged, described spool is actively located in described valve body, and described first interconnecting part is contained in described first material chamber, described second interconnecting part is contained in described second material chamber, described first interconnecting part is just arranged described material mouth, described second interconnecting part is just arranged the thimble of described needle-valve, material transfer chamber is provided with in described spool, described material transfer chamber is communicated with described first material chamber by described first interconnecting part, and be communicated with described second material chamber by described second interconnecting part, described valve also comprises adjusting element, described adjusting element is arranged on described valve body, and be fixedly connected with described spool, described adjusting element moves along the axial direction of described spool for controlling the relatively described bonnet of described spool, when described spool is controlled to when the first limit position of described bonnet by described adjusting element, described first interconnecting part seals described material mouth, has gap between described second interconnecting part and the thimble of described needle-valve, when described spool is controlled to the second limit position away from described bonnet by described adjusting element, there is gap between described first interconnecting part and described material mouth, a thimble that described second interconnecting part backs down described needle-valve.
2. valve as claimed in claim 1, it is characterized in that, described bonnet comprises bonnet body, described bonnet body has the first surface and second that are oppositely arranged, described second towards described first material end, described bonnet also comprises the bonnet shade extended to form towards described first material end from the periphery of described second, and described bonnet shade is connected with described first material end, and described material mouth to be arranged on described bonnet body and to extend to the direction deviating from described first surface.
3. valve as claimed in claim 2, it is characterized in that, described bonnet body is provided with the Seal cage be communicated with described material mouth, described Seal cage and the coaxial setting of described material mouth, the cross-section area of described Seal cage is greater than the cross-section area of described first interconnecting part, described first interconnecting part be just sealing surface to the end face of described material mouth, described first interconnecting part is provided with some first holes at the side opening of adjacent described sealing surface, when described spool is controlled to when the first limit position of described bonnet by described adjusting element, the one end in described first interconnecting part enters described Seal cage until described sealing surface the is conflicted close described first material chamber of described material mouth and seal described material mouth.
4. valve as claimed in claim 3, it is characterized in that, described bonnet body is also provided with pad chamber, described pad chamber is located between described material mouth and described Seal cage, and described pad chamber is all communicated with described Seal cage with described material mouth, described pad chamber and the coaxial setting of described material mouth, the cross-section area of described Seal cage is less than the cross-section area in described pad chamber, described valve also comprises first gasket seal that can adaptive be installed in described pad chamber, when described spool is controlled to when the first limit position of described bonnet by described adjusting element, described sealing surface is conflicted described first gasket seal and seal described material mouth.
5. the valve as described in any one of Claims 1-4, it is characterized in that, described second interconnecting part be just pushing surface to the end face of the thimble of described needle-valve, described second interconnecting part is provided with some second holes at the side opening of adjacent described pushing surface, when described spool is controlled the second limit position extremely away from described bonnet by described adjusting element, described pushing surface backs down the thimble of described needle-valve.
6. the valve as described in any one of Claims 1-4, it is characterized in that, described valve body offers the regulating tank passed for described adjusting element, and in be provided with the movable chamber worn for the activity of described spool, described regulating tank is communicated with described movable chamber, the cross section perpendicular to described regulating tank depth direction of described regulating tank comprises the first groove perpendicular to described valve axis direction and the second groove, and be communicated with the 3rd groove of described first groove and the second groove, described first groove is near described first material end, described second groove is near described second material end, when described adjusting element snaps in described first groove from described 3rd groove, described spool is positioned at described first limit position, when described adjusting element snaps in described second groove from described 3rd groove, described spool is positioned at described second limit position.
7. valve as claimed in claim 6, it is characterized in that, described valve also comprises the first seal ring and the second seal ring, inconsistent with the chamber wall in described movable chamber on the outer side surface that described first seal ring and the second seal ring are set in described spool, and described first seal ring and the second seal ring are divided into the both sides along valve axis direction of described regulating tank, to make the second material chamber and described regulating tank described in the first material chamber described in described first seal ring seal isolation and described regulating tank, described second seal ring seal isolation.
8. valve as claimed in claim 7, it is characterized in that, the outer side surface of described spool is arranged with the first groove supplying described first seal ring adaptation to install and the second groove be arranged with for described second seal ring adaptation installation, described first seal ring is sheathed in described first groove, described second seal ring is sheathed in described second groove, when moving along the axial direction of described spool in described movable chamber to make described spool, the invariant position of described first seal ring and the relative described spool of described second seal ring.
9. valve as claimed in claim 8, it is characterized in that, described spool comprises the first sub-spool, the second sub-spool and the 3rd sub-spool that connect successively, and described first sub-spool, the second sub-spool and the coaxial setting of the 3rd sub-spool, described second interconnecting part is arranged near described first sub-spool, and the cross-section area of the cross-section area of described first sub-spool, the cross-section area of described second sub-spool and described 3rd sub-spool increases successively; Described movable chamber comprise adaptive first movable chamber corresponding to described first sub-spool, with the second movable chamber of the corresponding adaptation of described second sub-spool and the 3rd movable chamber with the corresponding adaptation of described 3rd sub-spool, wherein, the cross-section area in described first movable chamber is greater than the cross-section area of the first sub-spool and is less than the cross-section area of described second sub-spool, and the cross-section area in described second movable chamber is greater than the cross-section area of the second sub-spool and is less than the cross-section area of described 3rd sub-spool; Described adjusting element is fixedly connected on described second sub-spool, and described first groove is located on one end of the described 3rd sub-spool of vicinity of described second sub-spool, and described second groove is located on one end of the described second sub-spool of vicinity of described first sub-spool.
10. valve as claimed in claim 9, it is characterized in that, described spool also comprises and the 4th sub-spool of the coaxial setting of described 3rd sub-spool and the 5th sub-spool, described 3rd sub-spool, described 4th sub-spool is connected successively with described 5th sub-spool, described first interconnecting part is arranged near described 5th sub-spool, the cross-section area of described 4th sub-spool is greater than the cross-section area of described 3rd sub-spool and the cross-section area of described 5th sub-spool, described valve also comprises the first spring and the second spring, described first spring housing is located on described 5th sub-spool, described second spring housing is located on described 3rd sub-spool, when described spool is installed in after on described valve body, conflict described bonnet in one end away from described 4th sub-spool of described first spring, conflict described valve body in one end away from described 4th sub-spool of described second spring.
11. 1 kinds of air-conditioner coolant adding sets, is characterized in that, described air-conditioner coolant adding set comprises material pipe, needle-valve and the valve as described in any one of claim 1 to 10, and described valve is connected between material pipe and needle-valve.
CN201520044713.8U 2015-01-22 2015-01-22 Valve and there is the air-conditioner coolant adding set of this valve Active CN204553854U (en)

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CN201520044713.8U CN204553854U (en) 2015-01-22 2015-01-22 Valve and there is the air-conditioner coolant adding set of this valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520044713.8U CN204553854U (en) 2015-01-22 2015-01-22 Valve and there is the air-conditioner coolant adding set of this valve

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108731319A (en) * 2018-06-27 2018-11-02 赵文军 The coolant adder of automotive air-conditioning system
CN109028668A (en) * 2017-06-08 2018-12-18 杭州致宏进出口有限公司 A kind of car air conditioner refrigerant adding set

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109028668A (en) * 2017-06-08 2018-12-18 杭州致宏进出口有限公司 A kind of car air conditioner refrigerant adding set
CN108731319A (en) * 2018-06-27 2018-11-02 赵文军 The coolant adder of automotive air-conditioning system
CN108731319B (en) * 2018-06-27 2023-09-26 赵文军 Refrigerant filling device of automobile air conditioning system

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