CN110242778A - A kind of bidirectional throttling valve - Google Patents
A kind of bidirectional throttling valve Download PDFInfo
- Publication number
- CN110242778A CN110242778A CN201810194773.6A CN201810194773A CN110242778A CN 110242778 A CN110242778 A CN 110242778A CN 201810194773 A CN201810194773 A CN 201810194773A CN 110242778 A CN110242778 A CN 110242778A
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- Prior art keywords
- valve body
- valve
- flow
- guiding channel
- channel
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/20—Excess-flow valves
- F16K17/22—Excess-flow valves actuated by the difference of pressure between two places in the flow line
- F16K17/24—Excess-flow valves actuated by the difference of pressure between two places in the flow line acting directly on the cutting-off member
- F16K17/28—Excess-flow valves actuated by the difference of pressure between two places in the flow line acting directly on the cutting-off member operating in one direction only
- F16K17/30—Excess-flow valves actuated by the difference of pressure between two places in the flow line acting directly on the cutting-off member operating in one direction only spring-loaded
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
Abstract
The invention discloses a kind of bidirectional throttling valves, are related to throttle valve technology field.The first valve body and the second valve body including valve pipe, in valve pipe, valve pipe has first interface and second interface, first valve body is equipped with first throttle channel, second valve body is equipped with the second throttling passage, intermediate connection channel is equipped in valve pipe between the first valve body and the second valve body, it is characterized by: being equipped with the first flow-guiding channel in the valve pipe between first interface and intermediate connection channel, being equipped with the second flow-guiding channel between second interface and intermediate connection channel, the first valve body and the second valve body are moved synchronously along the axial direction of valve pipe.The present invention can effectively realize the bidirectional traffics control of throttle valve.
Description
Technical field
The present invention relates to throttle valve technology fields, and in particular to a kind of bidirectional throttling valve.
Background technique
It needs now to mostly use capillary-compensated as throttling using throttling set in the refrigerating circulation system of refrigerating plant
Device, or use electric expansion valve as throttling set.Existing throttling set is mostly that valve opening is (primary according to condenser side
Side) refrigerant pressure and vaporizer side (secondary side) refrigerant pressure the changed throttle valve of differential pressure, and pacify
Equipped with the spring resisting power caused by the differential pressure and exerting a force to needle to valve closing direction.Existing valve class throttling set was using
Stuck phenomenon is easy to happen in journey, and at full pass or low pressure without flow, when cannot achieve two-way flow or two-way flow
It has some setbacks.
Summary of the invention
In view of the deficiencies of the prior art, the present invention discloses a kind of bidirectional throttling valve, is able to solve existing throttle valve bidirectional flow
Move obstructed problem.
In order to achieve the above object, the present invention is achieved by the following technical programs:
A kind of bidirectional throttling valve, the first valve body and the second valve body including valve pipe, in valve pipe, valve pipe have first to connect
Mouth and second interface, the first valve body are equipped with first throttle channel, and the second valve body is equipped with the second throttling passage, is located at first in valve pipe
It is equipped with intermediate connection channel between valve body and the second valve body, is set between first interface and intermediate connection channel in the valve pipe
There is the first flow-guiding channel, be equipped with the second flow-guiding channel, the first valve body and second between second interface and intermediate connection channel
Valve body is moved synchronously along the axial direction of valve pipe, when the first valve body and the second valve body are located at first throttle position, first throttle channel, in
Between communicating passage be connected to first interface and second interface with the second flow-guiding channel, the first valve body and the second valve body are located at the second throttling
When position, the second throttling passage, intermediate connection channel are connected to first interface and second interface with the first flow-guiding channel.
Further, first flow-guiding channel is located at the first valve body, the second flow-guiding channel is located at the second valve body, the first valve
When body and the second valve body are located at first throttle position, the first flow-guiding channel closure, the second flow-guiding channel are opened, the first valve body and the
When two valve bodies are located at the second throttle position, the first flow-guiding channel is opened, the second flow-guiding channel is closed.
Further, first flow-guiding channel axially penetrates through the first valve along the first valve body in the outer wall of the first valve body
Body；Alternatively, the first flow-guiding channel extends in the outer wall of the first valve body along the axial screw of the first valve body；Alternatively, the second water conservancy diversion is logical
Road axially penetrates through the second valve body along the second valve body in the outer wall of the second valve body；Alternatively, the second flow-guiding channel is in the second valve body
Outer wall extends along the axial screw of the second valve body.
Further, the valve pipe is equipped with inwardly protruded first sealing ring and the second sealing ring, and the first valve body is located at the
When one throttle position, the first valve body and first the first flow-guiding channel of sealing ring contact closure, the second valve body leave the second sealing ring
The second flow-guiding channel is opened, when the second valve body is located at the second throttle position, the second valve body and the second sealing ring contact closure second
Flow-guiding channel, the first valve body leave the first sealing ring and open the first flow-guiding channel.
Further, the valve pipe is equipped with inwardly protruded first fixed ring and the second fixed ring, sets in the first fixed ring
There is first seal, first seal is equipped with the first groove cooperated with the first fixed ring, and it is close that the second fixed ring is equipped with second
Sealing, second seal are equipped with the second groove cooperated with the second fixed ring, when the first valve body is located at first throttle position, first
Valve body and the first flow-guiding channel of first seal contact closure, the second valve body leave second seal and open the second flow-guiding channel,
When second valve body is located at the second throttle position, the second valve body and the second flow-guiding channel of second seal contact closure, the first valve body
It leaves first seal and opens the first flow-guiding channel.
Further, first flow-guiding channel and the second flow-guiding channel are located at valve inside pipe wall, the first flow-guiding channel and
Two flow-guiding channels extend along the axial screw of valve pipe.
Further, the bracket for separating the first valve body and the second valve body, bracket are equipped in the intermediate connection channel
Intercommunicating pore equipped with connection first throttle channel, the second throttling passage, forms intermediate connection channel, connection between bracket and valve pipe
Hole is connected to intermediate connection channel.
Further, the intermediate connection channel includes axial connectivity slot, and intercommunicating pore includes radial communication hole and axially connects
Through-hole, axial connectivity slot are located at the side wall of bracket, and axial connectivity slot extends radially through branch axially through bracket, radial communication hole
Frame, axial intercommunicating pore are connected to axially through bracket, radial communication hole with axial intercommunicating pore.
Further, the intermediate connection channel includes axial connectivity slot and radial communication slot, and axial connectivity slot is located at branch
The side wall of frame, axial connectivity slot are radially passed through axially through bracket, radial communication slot position in the side wall of bracket, radial communication slot
Perforating branches frame, axial connectivity slot are connected to radial communication slot.
Further, the intermediate connection channel includes radial communication slot, and intercommunicating pore includes axial intercommunicating pore, radial communication
Slot position is in the side wall of bracket, and radial communication slot extends radially through bracket, and axial intercommunicating pore is axially through bracket, radial communication slot
It is connected to axial intercommunicating pore.
The present invention discloses a kind of bidirectional throttling valve, has the advantage that
1, the first valve body and the second valve body totally two valve bodies are installed in valve pipe, the direction of two valve bodies is opposite, can
It throttles respectively to the medium of flow directions different in valve pipe, to realize bidirectional traffics control function.Between first valve body and valve pipe
With the first flow-guiding channel, there is the second flow-guiding channel, two flow-guiding channels can be respectively to valve between the second valve body and valve pipe
The medium of different flow directions is drained in pipe, to realize bidirectional traffics control function.
2, two valve bodies can follow the flowing of medium to be moved in valve pipe, and one side medium pushes two valve bodies to move
It is dynamic, without carrying out active drive to two valve bodies, reduces unnecessary structure, reduce the volume of valve body and simplification finishes
Structure is conducive to production installation, and on the other hand two valve bodies follow medium mobile, can make fastly to the change of flow direction of medium
Speed reaction, improves the reaction speed of throttle valve.
3, there are the first sealing ring and the second sealing ring totally two sealing structures in valve pipe respectively, in first throttle position,
One sealing ring is closed the first flow-guiding channel, and medium is merely able to enter first throttle channel by the second flow-guiding channel, in the second section
Position is flowed, the second sealing ring is closed the second flow-guiding channel, and medium is merely able to enter the second throttling passage by the first flow-guiding channel,
It ensure that the stability in bidirectional traffics control process, and two sealing structures can limit the moving range of two valve bodies,
Valve body is avoided to fall off.
4, be also equipped with hollow bracket between the first valve body and the second valve body, one side bracket can two valve bodies it
Between be supported, avoid the needle of two valve bodies from generating collision, and buffered in two valve body moving process, to reduce
Abrasion inside throttle valve improves throttle valve service life, on the other hand hollow bracket can flow direction to medium into
The medium of different flow directions, is introduced different throttling passages respectively, reduces the generation of sinuous flow, noise-decreasing and throttle valve by row guidance
Internal impact, improves the stability of throttle valve.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the cross-sectional view that the embodiment of the present invention 1 is located at first throttle position；
Fig. 2 is the enlarged drawing in Fig. 1 at A；
Fig. 3 is the enlarged drawing in Fig. 1 at B；
Fig. 4 is the cross-sectional view that the embodiment of the present invention 1 is located at the second throttle position；
Fig. 5 is the top view of the first valve body in the embodiment of the present invention 1；
Fig. 6 is the side view of the first valve body in the embodiment of the present invention 2；
Fig. 7 is the cross-sectional view of valve pipe in the embodiment of the present invention 3；
Fig. 8 is the cross-sectional view of the embodiment of the present invention 2；
Fig. 9 is the perspective view of first seal in the embodiment of the present invention 2；
Figure 10 is the cross-sectional view of first seal in the embodiment of the present invention 2；
Figure 11 is the cross-sectional view of first seal in the embodiment of the present invention 2；
Figure 12 is the perspective view of bracket in the embodiment of the present invention 1；
Figure 13 is the perspective view of bracket in the embodiment of the present invention 2；
Figure 14 is the perspective view of bracket in the embodiment of the present invention 3；
Figure 15 is the cross-sectional view of the first spool in the embodiment of the present invention 3；
Figure 16 is the perspective view of the first spool in the embodiment of the present invention 3.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
Embodiment 1
A kind of bidirectional throttling valve described in the embodiment of the present invention, as shown in Figure 1, including valve pipe 1, first in valve pipe 1
Valve body 2 and the second valve body 4, the first valve body 2 are equipped with first throttle channel 2-3, are equipped with the first needle in the 2-3 of first throttle channel
2-2 and the first spring 2-1, the first spring 2-1 push the first needle 2-2 to move to the direction of closure first throttle channel 2-3, phase
It answers, the second valve body 4 is equipped in the second throttling passage 4-3, the second throttling passage 4-3 and is equipped with the second needle 4-2 and the second bullet
Spring 4-1, second spring 4-2 push the second needle 4-2 to move to the direction of the second throttling passage 4-3 of closure.As shown in Fig. 2, the
The first flow-guiding channel 2-4 is formed between one valve body 2 and valve pipe 1, as shown in figure 3, forming second between the second valve body 4 and valve pipe 1
Flow-guiding channel 4-4, in valve pipe 1 and under the pressure effect of both ends medium (oil liquid or gas with certain pressure), first
Valve body 2 and the second valve body 4 can be moved synchronously along the axial direction of valve pipe 1, to control the first flow-guiding channel 2-4 or the second flow-guiding channel
The on-off of 4-4.
As shown in figure 1 shown in arrow direction, when medium is flowed from the second interface 1-2 of valve pipe 1 to first interface 1-1, medium
The first valve body 2 and the second valve body 4 is pushed to shift to first throttle position, at this point, the first flow-guiding channel 2-4 is closed, first segment circulation
The opening at 1 both ends road 2-3 and the second flow-guiding channel 4-4 communicating valve pipe.Opposite, as shown in arrow direction in Fig. 4, medium is by valve
When the first interface 1-1 of pipe 1 is flowed to second interface 1-2, medium pushes the first valve body 2 and the second valve body 4 to shift to the second throttling
Position, at this point, the second flow-guiding channel 4-4 is closed, 1 both ends the second throttling passage 4-3 and the first flow-guiding channel 2-3 communicating valve pipe
Opening.To realize two-way flow of the medium in valve pipe 1.
Specifically, first valve body 2-4 is outside as shown in figure 5, the first flow-guiding channel 2-4 is along the axially extending of the first valve body 2
The first flow-guiding channel 2-4 is formed by machining on wall, and the circulation area of the first flow-guiding channel 2-4 is greater than first throttle
The circulation area of channel 2-3, to guarantee the restriction effect of first throttle channel 2-3.It should be understood that the second flow-guiding channel 4-
4 also along the axially extending of the second valve body 4, and the second valve body 4 forms the second flow-guiding channel 4-4 by machining on the outer wall, and
And second flow-guiding channel 4-4 circulation area be greater than the second throttling passage 4-3 circulation area, thus guarantee the second throttling passage
The restriction effect of 4-3.
In addition, valve pipe 1 is additionally provided with the first sealing ring 1-3 of the first flow-guiding channel 2-4 of closure and the second water conservancy diversion of closure leads to
The second sealing ring 1-4 of road 4-4, first interface 1-1 the first valve body 2 of direction of valve pipe 1, the inwardly protruding formation of first interface 1-1
First sealing ring 1-3, when the first valve body 2 is located at first throttle position, the first flow-guiding channel 2-4 is contacted with the first sealing ring 1-3
And be closed, prevent medium from passing through the first flow-guiding channel 2-4.
It should be understood that the second interface 1-2 of valve pipe 1 is towards the second valve body 4, second interface 1-4 is inwardly protruding to form the
Two sealing ring 1-4, when the second valve body 4 is located at the second throttle position, the second flow-guiding channel 4-4 is contacted simultaneously with the second sealing ring 1-4
Closure prevents medium from passing through the second flow-guiding channel 4-4.Meanwhile in order to preferably limit the first valve body 2 and the second valve body 4 in valve
Movement in pipe 1 avoids the first valve body 2 and the second valve body 4 from falling off in valve pipe 1, and the first interface 1-1 of valve pipe 1 and second connects
The diameter of mouth 1-2 is respectively less than the diameter of 1 other parts of valve pipe.
First valve body 2 and the second valve body 4 are installed in opposite directions in valve pipe 1, the first needle 2-2 and the second mutual face needle 4-2
It is right, it is equipped with hollow bracket 6 between the first valve body 2 and the second valve body 4, forms intermediate connection channel, branch between bracket and valve pipe
Frame 6 separates the first valve body 2 and the second valve body 4, can be avoided the first needle 2 and the second needle 4 generates collision.
As shown in figure 12, bracket 6 is equipped with axial connectivity slot 6-2, radial communication hole 6-4 and axial intercommunicating pore 6-3, axially connects
Through slot 6-2 is located at the side wall of bracket 6, and axial connectivity slot 6-2 extends radially through branch axially through bracket 6, radial communication hole 6-4
Frame 6, axial intercommunicating pore 6-3 are connected to axially through bracket 6, radial communication hole 6-4 with axial direction intercommunicating pore 6-3.The outside of bracket 6
Wall is additionally provided with the guide surface 6-1 of arc, and the inner wall cooperation of guide surface 6-1 and valve pipe 1 follow first in valve pipe 1 convenient for bracket 6
Valve body 2 and the second valve body 4 move synchronously.
In first throttle position, medium enters valve pipe 1 from second interface 1-2, and successively by the second flow-guiding channel 4-4,
Axial connectivity slot 6-2, radial communication hole 6-4, axial intercommunicating pore 6-3, first throttle channel 2-3, finally flow from first interface 1-1
For valve pipe 1 correspondingly, in the second throttle position, medium enters valve pipe 1 from first interface 1-1 out, and successively logical by the first water conservancy diversion
Road 2-4, axial connectivity slot 6-2, radial communication hole 6-4, axial intercommunicating pore 6-3, the second throttling passage 4-3, finally connect from second
Mouth 1-2 flows out valve pipe.
Embodiment 2
The embodiment of the present invention the difference from embodiment 1 is that, as shown in fig. 6, the first flow-guiding channel 2-4 is in the first valve body 2
Outer wall along the first valve body 2 axial screw extend, when the first valve body 2 is located at the second throttle position, medium pass through the first water conservancy diversion
Channel 2-4 enables to medium passing through the first flow-guiding channel 2-4 Shi Xiang by the first flow-guiding channel 2-4 extended spirally
One valve body 2 is generated along axial power, so that the first valve body 2 is more firm in the second throttle position, will not be moved easily.It can manage
Solution, the second flow-guiding channel 4-4 can also extended with the outer wall of the second valve body 4 along the axial screw of the second valve body 4, the second valve body
4 when being located at first throttle position, and medium passes through the second flow-guiding channel 4-4 extended spirally, energy by the second flow-guiding channel 4-4
It is enough so that medium is generated to the second valve body 4 along axial power when by the second flow-guiding channel 4-4 so that the second valve body 4 is the
One throttle position is more firm, will not move easily.
As shown in Figure 8 and Figure 9, in order to preferably be closed the first flow-guiding channel 2-4, valve pipe installs in the first fixed ring
One sealing element 10, first seal 10 can be a plastic part or rubber parts, and the side wall of first seal 10 is equipped with to be fixed with first
First groove 10-3, the first groove 10-3 of ring cooperation, will by the first groove 10-3 along the circumferentially extending of first seal 10
First seal 10 is stuck in the first fixed ring.It is understood that first seal 10 can also be fixed by dent point,
It is mountable to pass through in undergauge or the first interface 1-1 of necking formation in valve pipe 1.First seal 10 is equipped with communicating valve pipe 1 and the
The conical opening 10-1 of one valve body 2, pass through convenient for medium and reduce medium by when noise, first seal 10 is additionally provided with protrusion
10-2 to increase the sealing effect of first seal 10, raised 10-2 can be boss structure as shown in Figure 10 be also possible to as
Annular protrusion structure shown in Figure 11.It should be understood that in order to preferably be closed the second flow-guiding channel 4-4, valve pipe 1 is solid second
Determine that second seal identical with 10 structure of first seal can also be installed on ring.
Bracket 6 can be located at one end on the first valve body 2 towards the second valve body 4.As shown in figure 13, bracket 6 is equipped with axial
Connectivity slot 8-3 and radial communication slot 8-2, axial connectivity slot 8-3 are located at the side wall of bracket 6, axial connectivity slot 8-3 axially through
Bracket 6, radial communication slot 8-2 are located at the side wall of bracket 6, and radial communication slot 8-2 extends radially through bracket, axial connectivity slot 8-3
It is connected to radial communication slot 8-2.In first throttle position, medium enters valve pipe 1 from second interface 1-2, and successively passes through second
Flow-guiding channel 4-4, axial connectivity slot 8-3, radial communication slot 8-2, first throttle channel 2-3, finally flow out from first interface 1-1
Valve pipe 1.Correspondingly, medium enters valve pipe 1 from first interface 1-1 in the second throttle position, and successively pass through the first flow-guiding channel
2-4, axial connectivity slot 8-3, radial communication slot 8-2, the second throttling passage 4-3, finally flow out valve pipe from second interface 1-2.
In addition, the outer wall of the first needle 2 or the second needle 4 can be equipped with the circulation groove for guiding medium to pass through, circulation
Slot the first needle 2 or the second needle 4 it is axially extending.
Other non-description schemes are referring to embodiment 1.
Embodiment 3
As shown in fig. 7, the embodiment of the present invention is the difference from embodiment 1 is that the first flow-guiding channel 2-4 and the second water conservancy diversion are logical
Road 4-4 is located at 1 inner wall of valve pipe, the first flow-guiding channel 2-4 and the second flow-guiding channel 4-4 and extends along the axial screw of valve pipe 1.In valve
1 inner wall of pipe directly forms the first flow-guiding channel 2-4 and the second flow-guiding channel 4-4, processing easy to produce, and improves the first valve body
2 and second valve body 4 versatility, be conveniently replaceable and safeguard, to reduce cost.
As shown in figure 14, bracket 6 can be located at one end on the second valve body 4 towards the first valve body 2.Bracket 6 is equipped with radial
Connectivity slot 9-1 and axial direction intercommunicating pore 9-3, radial communication slot 9-3 are located at the side wall of bracket 6, and radial communication slot 9-3 is extended radially through
Bracket 6, axial intercommunicating pore 9-1 are connected to axially through bracket 6, radial communication slot 9-3 with axial direction intercommunicating pore 9-1.
In addition, as shown in Figure 15 and Figure 16, can be equipped with for guiding medium in the first needle 2-2 or the second needle 4-2
By centre bore 7-1 and cross-drilled hole 7-2, axially extending, cross-drilled hole 7- of the centre bore 7-1 along the first needle 2-2 or the second needle 4-2
2 radially extending along the first needle 2-2 or the second needle 4-2, centre bore 7-1 and cross-drilled hole 7-2 are interconnected, direct convenient for medium
Pass through inside the first needle 2-2 or the second needle 4-2.
Other non-description schemes are referring to embodiment 1.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.
The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although with reference to the foregoing embodiments
Invention is explained in detail, those skilled in the art should understand that: it still can be to aforementioned each implementation
Technical solution documented by example is modified or equivalent replacement of some of the technical features；And these modification or
Replacement, the spirit and scope for technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution.
Claims (10)
1. a kind of bidirectional throttling valve, the first valve body and the second valve body including valve pipe, in valve pipe, valve pipe have first interface
And second interface, the first valve body are equipped with first throttle channel, the second valve body is equipped with the second throttling passage, is located at the first valve in valve pipe
Intermediate connection channel is equipped between body and the second valve body, it is characterised in that: be located at first interface and intermediate connection in the valve pipe
It is equipped with the first flow-guiding channel between channel, is equipped with the second flow-guiding channel between second interface and intermediate connection channel, first
Valve body and the second valve body are moved synchronously along the axial direction of valve pipe, when the first valve body and the second valve body are located at first throttle position, first
Throttling passage, intermediate connection channel are connected to first interface and second interface, the first valve body and the second valve body with the second flow-guiding channel
When positioned at the second throttle position, the second throttling passage, intermediate connection channel are connected to first interface and second with the first flow-guiding channel
Interface.
2. bidirectional throttling valve as described in claim 1, it is characterised in that: first flow-guiding channel is located at the first valve body, second
Flow-guiding channel is located at the second valve body, when the first valve body and the second valve body are located at first throttle position, the first flow-guiding channel closure, the
Two flow-guiding channels are opened, when the first valve body and the second valve body are located at the second throttle position, the first flow-guiding channel opening, the second water conservancy diversion
Channel closure.
3. bidirectional throttling valve as claimed in claim 2, it is characterised in that: first flow-guiding channel is on the outer wall edge of the first valve body
First valve body axially penetrates through the first valve body；Alternatively, the first flow-guiding channel the first valve body outer wall along the first valve body axial direction
It extends spirally；Alternatively, the second flow-guiding channel axially penetrates through the second valve body along the second valve body in the outer wall of the second valve body；Alternatively,
Second flow-guiding channel extends in the outer wall of the second valve body along the axial screw of the second valve body.
4. the bidirectional throttling valve as described in Claims 2 or 3, it is characterised in that: the valve pipe is equipped with inwardly protruded first sealing
Ring and the second sealing ring, when the first valve body is located at first throttle position, the first valve body is led with the first sealing ring contact closure first
Circulation road, the second valve body leave the second sealing ring and open the second flow-guiding channel, when the second valve body is located at the second throttle position, second
Valve body and second the second flow-guiding channel of sealing ring contact closure, the first valve body leave the first sealing ring and open the first flow-guiding channel.
5. the bidirectional throttling valve as described in Claims 2 or 3, it is characterised in that: it is fixed that the valve pipe is equipped with inwardly protruded first
Ring and the second fixed ring, the first fixed ring are equipped with first seal, and first seal is equipped with the cooperated with the first fixed ring
One groove, the second fixed ring are equipped with second seal, and second seal is equipped with the second groove cooperated with the second fixed ring, the
When one valve body is located at first throttle position, the first valve body and the first flow-guiding channel of first seal contact closure, the second valve body from
It opens second seal and opens the second flow-guiding channel, when the second valve body is located at the second throttle position, the second valve body and second seal
The second flow-guiding channel of contact closure, the first valve body leave first seal and open the first flow-guiding channel.
6. bidirectional throttling valve as described in claim 1, it is characterised in that: first flow-guiding channel and the second flow-guiding channel are located at
Valve inside pipe wall, the first flow-guiding channel and the second flow-guiding channel extend along the axial screw of valve pipe.
7. bidirectional throttling valve as described in claim 1, it is characterised in that: be equipped in the intermediate connection channel for separating first
The bracket of valve body and the second valve body, branch are provided with the intercommunicating pore in connection first throttle channel, the second throttling passage, bracket and valve pipe
Between form intermediate connection channel, intercommunicating pore is connected to intermediate connection channel.
8. bidirectional throttling valve as claimed in claim 7, it is characterised in that: the intermediate connection channel includes axial connectivity slot, even
Through-hole includes radial communication hole and axial intercommunicating pore, and axial connectivity slot is located at the side wall of bracket, axial connectivity slot axially through
Bracket, radial communication hole extend radially through bracket, and axial intercommunicating pore is axially through bracket, radial communication hole and axial intercommunicating pore
Connection.
9. bidirectional throttling valve as claimed in claim 7, it is characterised in that: the intermediate connection channel includes axial connectivity slot and diameter
To connectivity slot, axial connectivity slot is located at the side wall of bracket, and axial connectivity slot is axially through bracket, and radial communication slot position is in bracket
Side wall, radial communication slot extends radially through bracket, and axial connectivity slot is connected to radial communication slot.
10. bidirectional throttling valve as claimed in claim 7, it is characterised in that: the intermediate connection channel includes radial communication slot, even
Through-hole includes axial intercommunicating pore, and for radial communication slot position in the side wall of bracket, radial communication slot extends radially through bracket, axial to be connected to
Hole is connected to axially through bracket, radial communication slot with axial intercommunicating pore.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810194773.6A CN110242778B (en) | 2018-03-09 | 2018-03-09 | Bidirectional throttle valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810194773.6A CN110242778B (en) | 2018-03-09 | 2018-03-09 | Bidirectional throttle valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
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| CN110242778B CN110242778B (en) | 2022-03-22 |
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| CN201810194773.6A Active CN110242778B (en) | 2018-03-09 | 2018-03-09 | Bidirectional throttle valve |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111998577A (en) * | 2020-07-15 | 2020-11-27 | 盾安环境技术有限公司 | Two-way throttle valve |
| CN113404867A (en) * | 2020-03-17 | 2021-09-17 | 盾安环境技术有限公司 | Expansion valve |
| AU2019280096B2 (en) * | 2019-11-04 | 2021-09-23 | Shinn Fu Corporation | Oil Returning Valve Set with Multi-Stage Throttling Control |
| CN114151578A (en) * | 2020-09-07 | 2022-03-08 | 盾安环境技术有限公司 | Flow valve |
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| CN102878733A (en) * | 2012-10-26 | 2013-01-16 | 温岭市恒发空调部件有限公司 | Expansion valve components, one-way expansion valve and two-way circulation expansion valve |
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| JPH02203173A (en) * | 1989-01-31 | 1990-08-13 | Nippondenso Co Ltd | Refrigerant flow rate regulator of air conditioner |
| US5265438A (en) * | 1992-06-03 | 1993-11-30 | Aeroquip Corporation | Dual restrictor flow control |
| US20050211303A1 (en) * | 2004-03-25 | 2005-09-29 | Honda Motor Co. Ltd. | Bi-directional damper valve for a hydraulic line, power steering system incorporating the damper valve, and methods of using same |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| AU2019280096B2 (en) * | 2019-11-04 | 2021-09-23 | Shinn Fu Corporation | Oil Returning Valve Set with Multi-Stage Throttling Control |
| CN113404867A (en) * | 2020-03-17 | 2021-09-17 | 盾安环境技术有限公司 | Expansion valve |
| CN111998577A (en) * | 2020-07-15 | 2020-11-27 | 盾安环境技术有限公司 | Two-way throttle valve |
| CN114151578A (en) * | 2020-09-07 | 2022-03-08 | 盾安环境技术有限公司 | Flow valve |
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|---|---|
| CN110242778B (en) | 2022-03-22 |
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