CN208012180U - A kind of throttle valve - Google Patents
A kind of throttle valve Download PDFInfo
- Publication number
- CN208012180U CN208012180U CN201820130099.0U CN201820130099U CN208012180U CN 208012180 U CN208012180 U CN 208012180U CN 201820130099 U CN201820130099 U CN 201820130099U CN 208012180 U CN208012180 U CN 208012180U
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- valve
- needle
- guide part
- valve port
- port
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Abstract
The utility model discloses a kind of throttle valves, are related to refrigeration and air-conditioning technical field.Including valve seat, valve seat is equipped with valve chamber, import, valve port, valve port is connected to valve chamber and import, guide part, needle, elastic component are equipped in valve chamber, needle passes through guide part, elastic component valve needle to be moved to valve port direction is closed, and the guide part is equipped with the interface channel of the valve chamber at connection guide part both ends, the opening of interface channel one end is on an end face of guide part, and the opening of the interface channel other end is on another end face of guide part.The utility model, which is solved, to be oriented to stuck or slides unsmooth and its caused integrity problem caused by due tos being oriented to deformation, size inaccuracy etc..
Description
Technical field
The utility model is related to refrigeration and air-conditioning technical fields, and in particular to a kind of throttle valve.
Background technology
It needs to use throttling set in the refrigerating circulation system of refrigerating plant, now mostly uses capillary-compensated as throttling
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 resisted power caused by the differential pressure and exerted a force to valve closing direction to needle.Existing valve class throttling set was using
Stuck phenomenon is easy to happen in journey, and in fully closed or low pressure without flow.
Utility model content
In view of the deficiencies of the prior art, the utility model discloses a kind of throttle valve, can solve valve and block in use
Extremely without flow the problem of.
In order to achieve the above object, the utility model is achieved by the following technical programs：
A kind of throttle valve, including valve seat, valve seat are equipped with valve chamber, import, valve port, and valve port is connected to valve chamber and import, in valve chamber
Equipped with guide part, needle, elastic component, needle passes through guide part, and elastic component valve needle is moved to valve port direction is closed, described to lead
The interface channel of the valve chamber at connection guide part both ends is equipped with to part, the opening of interface channel one end is positioned at an end face of guide part
On, the opening of the interface channel other end is on another end face of guide part.
Further, the needle is equipped with the guide section across guide part, and the length of guide part is less than the length of guide section.
Further, all side walls of the needle are equipped with protrusion, and protrusion is located at one end that guide part deviates from valve port, and valve port closes
When conjunction, elastic component is in former long status, and has gap between protrusion and the opposed facing end face of guide part.
Further, the interface channel includes the outer air channel set on guide part lateral wall；Alternatively, interface channel includes
Set on the venthole of guide part；Alternatively, interface channel includes the interior air channel set on guide part madial wall.
Further, the interface channel is along the axially extending of needle.
Further, the circulation area of the interface channel is not less than the circulation area of valve port.
Further, the valve chamber is located at the connectedness for being equipped at valve port and valve port being kept to open, and connectedness is abutted with needle
And separating needle and valve port, connectedness is equipped with the communication port of connection valve chamber and import.
Further, the connectedness is along the circumferentially extending of valve port, and communication port is through all side walls of connectedness, connectedness
It is additionally provided with the through-hole passed through for needle, through-hole is aligned with valve port and is connected to.
Further, the side wall of the valve port is equipped with the connectivity slot of connection valve chamber and import, the opening position of connectivity slot one end
In one end of valve port, the opening of the connectivity slot other end is located at the other end of valve port.
Further, the needle be equipped with adjust channel, adjust passage end opening positioned at needle top and with into
Mouth keeps connection, and the opening for adjusting the channel other end is located at the side wall of needle and is connected to valve chamber holding.
The utility model discloses a kind of throttle valve, has the following advantages：
Guide part is installed, the length of guide part is shorter than the length of the guide section on needle, can effectively prevent in throttle valve
Only since either needle caused by size inaccuracy is stuck or sliding is unsmooth for guide part deformation, to improve throttle valve work
When reliability and stability.
Valve chamber is divided into two parts by guide part, and the interface channel opened up on guide part is connected to two parts valve chamber, just
In medium smooth outflow at work, and the circulation area of interface channel is more than the circulation area of valve port so that media flow
When flow depend entirely on the size of valve port, ensure that the validity of valve port work.
At the valve port of valve seat, it is equipped with the connectedness or connectivity slot for keeping valve port open state, valve port, which is kept it turning on, to be made
Medium can also be smoothly passed in low-pressure by obtaining throttle valve, ensure that flow of the throttle valve in low-pressure；Accordingly
, adjusting channel is also offered in needle also has medium to pass through in low-pressure or valve port contract fully in throttle valve, ensures
Throttle valve in contract fully has flow.
Resilient element urges needle is moved to valve port and close port, and elastic component is under former long status, between needle and valve port
With gap, pass through convenient for medium in throttle valve；When valve port is closed, elastic component is tensional state, elastic component valve needle to
The direction movement for opening valve port, can also form gap, ensure that medium is in reverse flow in throttle valve between needle and valve port
Also the system crash where throttle valve can will not be caused by throttle valve, to improve the stability of throttle valve work.
Description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, other drawings may also be obtained based on these drawings.
Fig. 1 is the sectional view of the utility model embodiment 1；
Fig. 2 is the stereogram of guide part in the utility model embodiment 1；
Fig. 3 is the schematic diagram of needle in the utility model embodiment 1 and embodiment 2；
Fig. 4 is the stereogram of valve seat in the utility model embodiment 2；
Fig. 5 is the sectional view of the utility model embodiment 2；
Fig. 6 is the stereogram of guide part in the utility model embodiment 2；
Fig. 7 is the stereogram of the utility model embodiment 3；
Fig. 8 is the stereogram of guide part in the utility model embodiment 3；
Fig. 9 is the perspective view of needle in the utility model embodiment 3；
Figure 10 is the stereogram of the utility model embodiment 4；
Figure 11 is the stereogram of connectedness in the utility model embodiment 4.
1 in figure, valve pipe, 2, valve seat, 201, groove, 202, valve chamber, 203, valve port, 204, import, 205, connectivity slot, 3, lead
To part, 301, centre bore, 302, interface channel, 4, needle, 401, guide section, 402, protrusion, 403, flow-rate adjustment section, 404, adjust
Save channel, 5, elastic component, 6, connectedness, 601, communication port, 602, through-hole.
Specific implementation mode
It is new below in conjunction with this practicality to keep the purpose, technical scheme and advantage of the utility model embodiment clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model
Example, every other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to
The range of the utility model protection.
Embodiment 1
As shown in Figure 1 to Figure 3, a kind of throttle valve described in the utility model embodiment includes the valve seat in valve pipe 1
2, position of 1 both ends of valve pipe by necking with fixed valve base 2 in valve pipe 1, the lateral wall of valve seat 2 is additionally provided with section at least one
For the groove 201 of rectangle, valve pipe 1 by undergauge or is got ready to further fix the position of valve seat 2 in outer diameter corresponding with groove 201
It sets, valve seat 2 is equipped with valve chamber 202, import 204 and valve port 203.Valve chamber 202 for medium (gas or liquid) by valve seat 2,
Import 204 is for guiding medium to enter valve chamber 202, and import 204 and valve chamber 202 are in horn-like, and import 204 is far from valve chamber 202 1
The opening diameter at end is more than opening diameter of the import 204 towards 202 one end of valve chamber, and the diameter of valve chamber 202 is by 202 direction of valve chamber
One end of import 204 gradually increases to the one end of valve chamber 202 far from import 204, and the section of valve chamber 202 is stepped.It is horn-like
Import 204 and valve chamber 202 can effectively reduce the noise of medium generation, valve port 203 is connected to valve chamber 202 and import 204, with right
Medium guides.Medium can be flowed along import 204 to 202 direction of valve chamber, and medium can also be along valve chamber 202 to import 204
It flows in direction.
Guide part 3, needle 4 and elastic component 5 are equipped in valve chamber 202, guide part 3 is welded on the inside of valve chamber 202, needle 4
Across guide part 3 centre bore 301 and stretch into valve port 203, needle 4 be equipped with across guide part 3 guide section 401, guide part 3
Length be less than guide section 401 length, can reduce due to guide part 3 is long and and deformation cause needle 4 stuck phenomenon.
Elastic component 5 uses compression spring, 5 valve needle 4 of elastic component to be moved to 203 direction of valve port is closed, to realize the adjusting to flow in valve.
Guide part 3 is equipped with the interface channel 302 at 3 both ends of connection guide part, and the opening of 302 one end of interface channel is positioned at the one of guide part 3
On a end face, the opening of 302 other end of interface channel is on another end face of guide part 3.
All side walls of the needle 4 are equipped with protrusion 402, and the diameter of protrusion 402 is more than the diameter at 4 other positions of needle, is
The maximum of 4 diameter of needle.Protrusion 402 is located at the side that guide part 3 deviates from valve port 203, when valve port 203 is closed, i.e. needle 4
When seal section is resisted with valve port 203, elastic component 5 is in free state, and elastic component 5 is located at former long status or slightly stretches shape
State, to which elastic component 5 does not apply to needle 4 towards the power for being closed 203 direction of valve port, needle 4 is under the effect of media of both sides pressure
It is closed valve port 203, and there is gap between protrusion 402 and 3 opposed facing end face of guide part, on the one hand can be ensured in elasticity
There is under the action of 5 power of part between needle 4 and valve port 203 gap, keep valve port 203 to open, on the other hand can ensure to connect
Channel 302 it is unobstructed, avoid needle 4 stuck.
Interface channel 302 includes the outer air channel set on 3 lateral wall of guide part, and the side wall of outer air channel and valve chamber 202 encloses
At for medium by complete channel, the opening of outer air channel is located at end of the guide part 3 towards the side of valve port 203
On face and on the end face of the side far from valve port 203, outer air channel is axially extending along needle 4, the flow direction pair with medium
Should be convenient for medium with shortest path by guide part 3, to improve medium by speed, reduce the noise that medium generates.
And since interface channel 302 is along the axially extending of needle 4, in the motion process of needle 4, needle 4 and interface channel 302 are not
Contact, so as to ensure that the circulation area of interface channel 302 remains unchanged, will not be influenced, so that medium by needle 4
It is kept unimpeded when by valve port 203 and interface channel 302.
Embodiment 2
As shown in Figures 3 to 6, the utility model embodiment includes being set to difference lies in interface channel 302 with embodiment 1
The venthole of guide part 3, the opening of venthole are located at guide part 3 towards on the end face of the side of valve port 203 and far from valve
On the end face of the side of mouth 203, venthole is axially extending along needle 4.The extending direction of venthole and the flow direction of medium
It is corresponding convenient for medium with shortest path by guide part 3, to improve medium by speed, that reduces that medium generates makes an uproar
Sound.And the circulation area for capableing of interface channel 302 remains unchanged, and will not be influenced by needle 4.
The side wall of valve port 203 is equipped with the connectivity slot 205 of connection valve chamber 202 and import 204, the opening of 205 one end of connectivity slot
Positioned at one end of valve port 203, the opening of 205 other end of connectivity slot is located at the other end of valve port 203.Connectivity slot 205 and needle 4
Lateral wall surround for medium by complete channel, connectivity slot 205 is axially extending along valve port 203, convenient for medium with most
Short path by guide part 3, to improve medium by speed, reduce the noise that medium generates.Medium passes through connectivity slot
205 flow into valve chamber 202 from import 204, ensure that valve port 203 is in open state always, so that medium is flowed from positive and negative two
Xiang Junneng passes through throttle valve.
Other non-description schemes are with reference to embodiment 1.
Embodiment 3
As shown in Figure 7 to 9, the utility model embodiment includes being set to difference lies in interface channel 302 with embodiment 1
The interior air channel of 3 madial wall of guide part, the outer side wall of interior air channel and needle 4 surround for medium by complete lead to
Road, the opening of interior air channel are located at guide part 3 towards on the end face of the side of the valve port 203 and side far from valve port 203
End face on.Air channel is axially extending along needle 4, corresponding with the flow direction of medium to be passed through with shortest path convenient for medium
Guide part 3, to improve medium by speed, reduce medium generate noise.And it is capable of the circulating face of interface channel 302
Product remains unchanged, and will not be influenced by needle 4.
Needle 4 be equipped with adjust channel 404, adjust 404 one end of channel opening positioned at flow-rate adjustment section 403 top and with
Import 204 keeps connection, and two openings for adjusting 404 other end of channel are located at the side wall of needle 4 and keep connecting with valve chamber 202
It is logical.In the course of work of throttle valve, the flow-rate adjustment section 403 of needle 4 is always positioned in valve port 203, and medium can be through toning
It saves channel 404 and flows into valve chamber 202 from import 204.So that valve port 203 is in closed condition, the medium in throttle valve also can
Circulation is kept, to ensure that medium can pass through throttle valve from positive and negative two flow directions.
Other non-description schemes are with reference to embodiment 1.
Embodiment 4
As shown in Figure 10 and Figure 11, difference lies in valve chambers 202 to be located at valve port with embodiment 1 for the utility model embodiment
The connectedness 6 for opening valve port 203 is equipped at 203, connectedness 6 abuts with needle 4 and separates needle 4 and valve port 203 so that needle
Separation is remained between 4 and valve port 203.Connectedness 6 is equipped with the communication port 601 of connection valve chamber 202 and import 204, communication port
601 run through all side walls of connectedness 6, and for connectedness 6 along the circumferentially extending of valve port 203, connectedness 6, which is equipped with, is used for what needle 4 passed through
Through-hole 602, through-hole 602 are aligned with valve port 203 and are connected to, and medium passes through through-hole 602 and flows into valve chamber 202 with communication port 601 successively, protects
It demonstrate,proves valve port 203 and is in open state always, so that medium can pass through throttle valve from positive and negative two flow directions.
Other non-description schemes are with reference to embodiment 1.
The utility model discloses a kind of throttle valve in summary, and guide part, the length ratio of guide part are equipped in throttle valve
The length of guide section on needle is short, can effectively prevent since needle caused by guide part deformation or size inaccuracy is stuck
Or sliding is unsmooth, to improve reliability and stability when throttle valve work.
Valve chamber is divided into two parts by guide part, and the interface channel opened up on guide part is connected to two parts valve chamber, just
In medium smooth outflow at work, and the circulation area of interface channel is more than the circulation area of valve port so that media flow
When flow depend entirely on the size of valve port, ensure that the validity of valve port work.
At the valve port of valve seat, it is equipped with the connectedness or connectivity slot for keeping valve port open state, valve port, which is kept it turning on, to be made
Medium can also be smoothly passed in low-pressure by obtaining throttle valve, ensure that flow of the throttle valve in low-pressure；Accordingly
, adjusting channel is also offered in needle also has medium to pass through in low-pressure or valve port contract fully in throttle valve, ensures
Throttle valve in contract fully has flow.
Resilient element urges needle is moved to valve port and close port, and elastic component is under former long status, between needle and valve port
With gap, pass through convenient for medium in throttle valve；When valve port is closed, elastic component is tensional state, elastic component valve needle to
The direction movement for opening valve port, can also form gap, ensure that medium is in reverse flow in throttle valve between needle and valve port
Also the system crash where throttle valve can will not be caused by throttle valve, to improve the stability of throttle valve work.
It should be noted that herein, 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 include 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.
Above example is only to illustrate the technical solution of the utility model, rather than its limitations；Although with reference to aforementioned reality
Example is applied the utility model is described in detail, it will be understood by those of ordinary skill in the art that：It still can be to preceding
The technical solution recorded in each embodiment is stated to modify or equivalent replacement of some of the technical features；And these
Modification or replacement, the spirit and model of various embodiments of the utility model technical solution that it does not separate the essence of the corresponding technical solution
It encloses.
Claims (10)
1. a kind of throttle valve, including valve seat, valve seat is equipped with valve chamber, import, valve port, and valve port is connected to valve chamber and import, is set in valve chamber
There are guide part, needle, elastic component, needle that guide part, elastic component valve needle is passed through to be moved to valve port direction is closed, feature exists
In：The guide part is equipped with the interface channel of the valve chamber at connection guide part both ends, and the opening of interface channel one end is located at guide part
An end face on, the interface channel other end opening positioned at guide part another end face on.
2. throttle valve as described in claim 1, it is characterised in that：The needle is equipped with the guide section across guide part, guide part
Length be less than guide section length.
3. throttle valve as described in claim 1, it is characterised in that：All side walls of the needle are equipped with protrusion, and protrusion, which is located at, to be oriented to
Part deviates from one end of valve port, and when valve port is closed, elastic component is in former long status, and protrusion and the opposed facing end face of guide part it
Between have gap.
4. throttle valve as described in claim 1, it is characterised in that：The interface channel includes set on the outer logical of guide part lateral wall
Air drain；Alternatively, interface channel includes the venthole set on guide part；Alternatively, interface channel includes being set to guide part madial wall
Interior air channel.
5. throttle valve as claimed in claim 4, it is characterised in that：The interface channel is along the axially extending of needle.
6. throttle valve as claimed in claim 4, it is characterised in that：The circulation area of the interface channel is not less than the circulation of valve port
Area.
7. throttle valve as described in claim 1, it is characterised in that：The valve chamber is located at the company for being equipped at valve port and valve port being kept to open
Parts, connectedness abut with needle and separate needle and valve port, and connectedness is equipped with the communication port of connection valve chamber and import.
8. throttle valve as claimed in claim 7, it is characterised in that：Along the circumferentially extending of valve port, communication port runs through the connectedness
All side walls of connectedness, connectedness are additionally provided with the through-hole passed through for needle, and through-hole is aligned with valve port and is connected to.
9. throttle valve as described in claim 1, it is characterised in that：The side wall of the valve port is equipped with the connection of connection valve chamber and import
Slot, for the opening of connectivity slot one end positioned at one end of valve port, the opening of the connectivity slot other end is located at the other end of valve port.
10. throttle valve as described in claim 1, it is characterised in that：The needle, which is equipped with, adjusts channel, adjusts opening for passage end
Mouth is located at the top of needle and is connected to import holding, and the opening for adjusting the channel other end is located at the side wall of needle and is protected with valve chamber
Hold connection.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820130099.0U CN208012180U (en) | 2018-01-25 | 2018-01-25 | A kind of throttle valve |
| PCT/CN2019/072832 WO2019144884A1 (en) | 2018-01-25 | 2019-01-23 | Throttling device and heat exchange system having same |
| KR1020207021598A KR102376051B1 (en) | 2018-01-25 | 2019-01-23 | Throttle device and heat exchange system having same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820130099.0U CN208012180U (en) | 2018-01-25 | 2018-01-25 | A kind of throttle valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208012180U true CN208012180U (en) | 2018-10-26 |
Family
ID=63883455
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820130099.0U Active CN208012180U (en) | 2018-01-25 | 2018-01-25 | A kind of throttle valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208012180U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111750575A (en) * | 2019-03-29 | 2020-10-09 | 浙江盾安禾田金属有限公司 | Two-way throttle valve |
| CN112984121A (en) * | 2019-12-16 | 2021-06-18 | 浙江盾安禾田金属有限公司 | Throttle valve and heat exchange system |
-
2018
- 2018-01-25 CN CN201820130099.0U patent/CN208012180U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111750575A (en) * | 2019-03-29 | 2020-10-09 | 浙江盾安禾田金属有限公司 | Two-way throttle valve |
| CN112984121A (en) * | 2019-12-16 | 2021-06-18 | 浙江盾安禾田金属有限公司 | Throttle valve and heat exchange system |
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