CN207621451U - Control valve and air conditioner with it - Google Patents
Control valve and air conditioner with it Download PDFInfo
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- CN207621451U CN207621451U CN201721489985.4U CN201721489985U CN207621451U CN 207621451 U CN207621451 U CN 207621451U CN 201721489985 U CN201721489985 U CN 201721489985U CN 207621451 U CN207621451 U CN 207621451U
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- valve body
- control valve
- valve
- spool
- thread
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Abstract
The utility model provides a kind of control valve and the air conditioner with it.The control valve includes valve body, body cavity is provided in valve body, body cavity has sealing cooperation opening, body cavity also has the first thread segment, it is provided with linkage section between first thread segment and sealing cooperation opening, the internal face height of the valve body at linkage section is not less than the inside pitch line length of the thread of the first thread segment.Control valve valve body structure intensity enhancing according to the present utility model promotes reliability.
Description
Technical field
The utility model belongs to air-conditioning technique field, and in particular to a kind of control valve and the air conditioner with it.
Background technology
In air conditioner, the connection that indoor unit and outdoor unit are realized by pipeline is needed, so that the media such as refrigerant, water are in room
It is flowed in interior machine and outdoor unit, realizes the transfer of heat.Control valve can be set for meet demand, on pipeline to realize pipeline
The control of break-make, circulation area etc..For shut-off valve is set on pipeline.There is shut-off valve uses in existing air conditioner
The problem of splitting leakage in the process, shut-off valve, which splits leakage, can cause dielectric leakage, influence safe to use.As shown in Figure 1, the study found that cutting
Only valve, which splits leakage and is concentrated mainly on sole and 1 ' transition position of valve body, splits leakage.Leakage de-stress corrosion is split in verified, analysis, shut-off valve generation
Outside reason, valve body 1 ' fault of construction itself, which is also directly result in shut-off valve, to be split leakage problem and is unable to get effective control.Shut-off valve
Valve body 1 ' and spool 2 ' pass through screw-thread fit.Wherein, the screw thread on spool 2 ' is worked into always at sealing cooperation, in order to coordinate valve
Core 2 ' is machined with escape 3 ' on valve body 1 '.
There are the groove of processing, i.e. escape 3 ' at the sealed step of the shut-off valve of the prior art.Because by valve chamber sealing structure
And the cooperation of spool 2 ' limits, the screw thread on valve body 1 ' can not be worked into sealed step root, and just being stepped down with escape 3 ' meets
The assembly of spool 2 ' seals.It is tested by limiting damage torque, verifies the flange portion of shut-off valve for damaged part at first, i.e., thus
Locate stress centrostigma.Cutter when escape is easy for processing on the one hand is arranged on the valve body of the prior art to exit, is on the other hand
Screw thread, sealed step etc. can be worked into lowest position, to ensure matching requirements.
But since the presence of escape 3 ', the valve body wall thickness at 3 ' place of escape are substantially thinned, strength reduction is apparent, entirely
In valve body, this root position stress is relatively concentrated also maximum.Spool 2 ' has larger power and concentrates on moving back when close moment is urgent
3 ' place of cutter groove, simultaneously because also refrigerant pressure, urgent union nut when the factors such as the external force that is subject to of valve body, all can directly influence
To the intensity of valve body.
In addition, causing sealed step jagged there is also the hidden danger of damage sealed step when processing escape 3 ', directly making
At coolant leakage.
Utility model content
Therefore, the technical problem to be solved by the present invention is to provide a kind of control valve and with its air conditioner, energy
It enough reduces shut-off valve and splits leakage, improve the reliability of shut-off valve.
To solve the above-mentioned problems, the utility model provides a kind of control valve comprising valve body is provided with valve body in valve body
Inner cavity, body cavity, which has, seals cooperation opening, and body cavity also has the first thread segment, and the first thread segment is matched with sealing to be run jointly
It is provided with linkage section between mouthful, the internal face height of the valve body at linkage section is not less than the height of teeth root of the thread of the first thread segment
Degree.
Optionally, wall thickness reinforcement structure is additionally provided on valve body, wall thickness reinforcement structure corresponds to linkage section and is arranged in valve body
Outer wall on.
Optionally, it is additionally provided with valve flange outside valve body, one end of wall thickness reinforcement structure is connect with valve flange.
Optionally, valve flange includes the mounting hole installed sole and be arranged on installation sole, and installation sole is two,
And be arranged correspondingly at the same both ends diametrically of valve body, there are one mounting holes up to few setting for each installation sole.
Optionally, wall thickness reinforcement structure is at least two, and is distributed on valve body along the circumferential direction of valve body.
Optionally, control valve further includes spool, and spool is arranged in body cavity, and is coordinated with valve body screw thread.
Optionally, one end of spool is provided with the sealed taper with sealing cooperation opening cooperation, when spool is in sealing station
When, sealed taper is held out against with sealing cooperation opening, and close encapsulation cooperation opening.
Optionally, be provided with the second thread segment coordinated with the first thread segment on spool, the second thread segment of spool with it is close
It is provided with cooperation section between envelope cone, the outside wall surface height of the spool at section is coordinated to be not higher than the tooth root of the thread of the second thread segment
Highly.
Another aspect according to the present utility model provides a kind of air conditioner, and air conditioner includes control valve, and control valve is above-mentioned
Control valve.
Control valve provided by the utility model includes valve body, and body cavity is provided in valve body, and body cavity has sealing
Cooperation opening, body cavity also have the first thread segment, are provided with linkage section between the first thread segment and sealing cooperation opening, even
Connect the inside pitch line length of the internal face height of the valve body at section not less than the thread of the first thread segment.The valve of the valve body of the control valve
Escape in the prior art is replaced using linkage section between the first thread segment and sealing cooperation opening of intracoelomic cavity, due to connection
The internal face of valve body at section is not less than the tooth root of the thread of the first thread segment, so that the wall thickness at the linkage section of valve body
It is thicker, to improve the structural strength of valve body, prevent valve body from splitting leakage.To improve the reliability of control valve.
Description of the drawings
Fig. 1 is the broken section structural schematic diagram of shut-off valve in the prior art；
Fig. 2 is the broken section structural schematic diagram of the valve body of the control valve of the utility model embodiment；
Fig. 3 is the broken section structural schematic diagram of the control valve of the utility model embodiment.
Reference numeral is expressed as：
The prior art：
1 ', valve body；2 ', spool；3 ', escape；
The application：
1, valve body；2, body cavity；3, sealing cooperation opening；4, the first thread segment；5, linkage section；6, spool；7, it seals
Cone；8, the second thread segment；9, coordinate section.
Specific implementation mode
It is vertical in Fig. 2 using the horizontal direction in Fig. 2 as horizontal direction in following each embodiments of the utility model
Direction is described for vertical direction, this is merely for convenience of that structure is described, not to claimed by the utility model
Structure limited.
In conjunction with referring to shown in Fig. 2 to Fig. 3, embodiment according to the present utility model, control valve includes valve body 1, is set in valve body 1
It is equipped with body cavity 2, body cavity 2 has sealing cooperation opening 3, and body cavity 2 also has the first thread segment 4, the first screw thread
It is provided with linkage section 5 between section 4 and sealing cooperation opening 3, the internal face height of the valve body 1 at linkage section 5 is not less than the first spiral shell
The inside pitch line length of the thread of line section 4.
Linkage section 5 is used between the first thread segment 4 and sealing cooperation opening 3 of the body cavity 2 of the valve body 1 of the control valve
Escape in the prior art is replaced, since the internal face height of the valve body 1 at linkage section 5 is not less than the spiral shell of the first thread segment 4
The inside pitch line length of line tooth, so that the wall thickness at the linkage section 5 of valve body 1 is thicker, to improve the structural strength of valve body 1,
Prevent valve body 1 from splitting leakage.To improve the reliability of control valve.It should be noted that internal face height here refers to valve body 1
Height radially.
Optionally, wall thickness reinforcement structure (not shown) is additionally provided on valve body 1, wall thickness reinforcement structure corresponds to connection
Section 5 is arranged on the outer wall of valve body 1.By the way that wall thickness reinforcement structure is arranged so that the wall thickness of valve body 1 increases, and intensity further increases
By force, the power that can be born increases.
The wall thickness reinforcement structure can be reinforcing rib.Wall thickness reinforcement structure can be integrally formed on valve body 1, such as be passed through
The mode of casting makes wall thickness reinforcement structure be integrally formed with valve body 1.Wall thickness reinforcement structure can also be connected to by other means
On valve body 1, for example, by weld etc. modes be connected on valve body 1.
Optionally, it is additionally provided with valve flange outside valve body 1, one end of wall thickness reinforcement structure is connect with valve flange.Valve body
Flange (not shown) can be used for control valve being connected on other fixtures.
In the present embodiment, valve flange includes the mounting hole installed sole and be arranged on installation sole, installs sole
It is two, and is arranged correspondingly at the same both ends diametrically of valve body 1, there are one solid up to few setting for each installation sole
Determine hole.
Since the junction of valve flange and valve body 1 easy tos produce crackle, one end of wall thickness reinforcement structure is connected to
On valve flange so that valve flange and the thickness of the junction of valve body 1 increase, strength enhancing, it is possible to reduce split the possibility of leakage
Property.The length of wall thickness reinforcement structure can be different according to the difference that intensity needs, i.e. the other end of wall thickness reinforcement structure can be with
Positioned at the middle part of the first thread segment 4 or end etc..
Optionally, wall thickness reinforcement structure is at least two, and is distributed on valve body 1 along the circumferential direction of valve body 1.It in this way can be equal
The stress of weighing apparatus valve body 1, avoids stress concentration, to prevent crackle from generating.Certainly, wall thickness reinforcement structure can be continuous in the circumferential
It is arranged and forms projection shape.
As shown in figure 3, control valve further includes spool 6, spool 6 is arranged in body cavity 2, and with 1 screw-thread fit of valve body.
Valve body 1 can be closed or be opened to spool 6.
For example, in the present embodiment, one end of spool 6 is provided with the sealed taper 7 with 3 cooperation of sealing cooperation opening, works as valve
When core 6 is in sealing station, sealed taper 7 is held out against with sealing cooperation opening 3, and close encapsulation cooperation opening 3.
The second thread segment 8 coordinated with the first thread segment 4, the second thread segment 8 and the sealing of spool 6 are provided on spool 6
It is provided with cooperation section 9 between cone 7, the outside wall surface height of the spool 6 at section 9 is coordinated to be not higher than the thread of the second thread segment 8
Inside pitch line length.The cooperation section 9 of the spool 6 of such structure eliminates a part of material, can either ensure sealing reliability, and can
It avoids interference with.It should be noted that outside wall surface height here refers to the height in the radial direction of spool 6.
It should be noted that the first thread segment 4 of valve body 1 is internal thread, circumference where the tooth root of thread is interior
The major diameter circumference of screw thread, circumference where the tooth top of thread are the path circumference of internal thread.The second thread segment 8 on spool 6
For external screw thread, circumference where the tooth root of thread is externally threaded path circumference, and circumference where the tooth top of thread is
For externally threaded major diameter circumference.
Another aspect according to the present utility model provides a kind of air conditioner, and air conditioner includes control valve, and control valve is above-mentioned
Control valve.
The control valve can be off valve, which is replaced so that valve body 1 by cancelling escape using linkage section 5
Wall thickness material maximize, the mechanical strength of valve body 1 root is improved, in addition, (i.e. by 6 top (at the conical surface) excess stock of spool
Screw thread at corresponding original escape) removal, since the top of spool 6 is solid, 6 intensity of spool and sealing cooperation are permitted completely
It can.Increase wall thickness enhancing structure (such as reinforcing rib) in linkage section 5 (at corresponding original escape) outside, it is strong to promote main stress point
Degree, effectively prevent splitting leakage.
The control valve adopted the structure solves shut-off valve practical service environment compared with relative to other zero as shut-off valve
Component more " severe ", is completely exposed in air, while needing to bear larger external force when mounted, therefore shut-off valve reliability
The problem of difference.The service life for promoting shut-off valve, reduces the failure rate of air conditioner.
By taking 3/4 specification as an example, reinforcing rib is set at linkage section 5, avoids increasing material cost.It verifies by contrast, valve body
Flange suitably increases wall thickness and reinforcing rib, and reinforcing rib effectively prevents to beat along the respectively distribution 1 of the installation sole both sides of valve flange
Stress destruction when tight union nut rectifies and improves rear valve body nothing under the stall torque of 120Nm by being optimized to tying herein
Any deformation and crackle generate.Reinforcing rib transition is good, and internal stress without exception generates.
It the control valve of the present embodiment and is had the advantages that with its air conditioner：
Cancel escape (thickness for making the thickness of valve body be exactly concordant with screw thread), valve body wall thickness material maximizes, and improves
The mechanical strength of root；(at the conical surface) excess stock at the top of spool is removed and (prevents stress concentration, increase intensity) simultaneously, due to
It is solid, spool intensity and sealing cooperation license completely so that the reliability of control valve is promoted at the top of spool.
External in former escape increases reinforcing rib, promotes main stress point intensity.
Those skilled in the art will readily recognize that under the premise of not conflicting, above-mentioned each advantageous manner can be free
Ground combination, superposition.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
All any modification, equivalent and improvement etc., should be included in the utility model made by within the spirit and principle of utility model
Protection domain within.The above is only the preferred embodiment of the utility model, it is noted that for the art
For those of ordinary skill, without deviating from the technical principle of the utility model, several improvements and modifications can also be made,
These improvements and modifications also should be regarded as the scope of protection of the utility model.
Claims (9)
1. a kind of control valve, which is characterized in that including valve body (1), body cavity (2), the valve are provided in the valve body (1)
There is intracoelomic cavity (2) sealing cooperation opening (3), the body cavity (2) also to have the first thread segment (4), first screw thread
It is provided with linkage section (5) between section (4) and sealing cooperation opening (3), the valve body (1) at the linkage section (5)
Inside pitch line length of the internal face height not less than the thread of first thread segment (4).
2. control valve according to claim 1, which is characterized in that it is additionally provided with wall thickness reinforcement structure on the valve body (1),
The wall thickness reinforcement structure corresponds to the linkage section (5) and is arranged on the outer wall of the valve body (1).
3. control valve according to claim 2, which is characterized in that it is additionally provided with valve flange outside the valve body (1), it is described
One end of wall thickness reinforcement structure is connect with the valve flange.
4. control valve according to claim 3, which is characterized in that the valve flange includes installation sole and is arranged in institute
State installation sole on mounting hole, the installation sole be two, and be arranged correspondingly the valve body (1) it is same always
Both ends on diameter, there are one the mounting holes up to few setting for each installation sole.
5. control valve according to claim 2, which is characterized in that the wall thickness reinforcement structure is at least two, and along institute
The circumferential direction for stating valve body (1) is distributed on the valve body (1).
6. control valve according to any one of claims 1-5, which is characterized in that the control valve further includes spool (6),
The spool (6) setting in the body cavity (2), and with the valve body (1) screw-thread fit.
7. control valve according to claim 6, which is characterized in that one end of the spool (6) is provided with and the sealing
Cooperation opening (3) cooperation sealed taper (7), when the spool (6) is in sealing station, the sealed taper (7) with it is described close
Envelope cooperation opening (3) is held out against, and closes the sealing cooperation opening (3).
8. control valve according to claim 7, which is characterized in that be provided on the spool (6) and first screw thread
The second thread segment (8) of section (4) cooperation, sets between second thread segment (8) and the sealed taper (7) of the spool (6)
It is equipped with cooperation section (9), the outside wall surface height of the spool (6) at the cooperation section (9) is not higher than second thread segment (8)
Thread inside pitch line length.
9. a kind of air conditioner, which is characterized in that the air conditioner includes control valve, and the control valve is to appoint in claim 1-8
Control valve described in one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721489985.4U CN207621451U (en) | 2017-11-09 | 2017-11-09 | Control valve and air conditioner with it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721489985.4U CN207621451U (en) | 2017-11-09 | 2017-11-09 | Control valve and air conditioner with it |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207621451U true CN207621451U (en) | 2018-07-17 |
Family
ID=62828396
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721489985.4U Active CN207621451U (en) | 2017-11-09 | 2017-11-09 | Control valve and air conditioner with it |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207621451U (en) |
-
2017
- 2017-11-09 CN CN201721489985.4U patent/CN207621451U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |