CN110094518A - Shut-off valve - Google Patents
Shut-off valve Download PDFInfo
- Publication number
- CN110094518A CN110094518A CN201810083000.0A CN201810083000A CN110094518A CN 110094518 A CN110094518 A CN 110094518A CN 201810083000 A CN201810083000 A CN 201810083000A CN 110094518 A CN110094518 A CN 110094518A
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- CN
- China
- Prior art keywords
- extension
- valve
- central axis
- shut
- valve body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
-
- 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
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
-
- 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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/60—Handles
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lift Valve (AREA)
Abstract
Shut-off valve, it is characterized by comprising valve body (1), and from outwardly extending first extension (11) of the valve body (1), second extension (12) and third extension (13), first extension (11) has the first central axis (S1), second extension (12) has the second central axis (S2), first central axis (S1) is arranged in parallel with second central axis (S2), and there is spacing, and meet following relationship: 0 < D < d1, and 0 < D < d2；Wherein, d1 is the internal diameter of first extension (11), and d2 is the internal diameter of second extension (12), and D is the spacing of first central axis and second central axis.Shut-off valve provided by the invention, the not big turnover in the path of refrigerant fluid, mobile phase are not likely to produce vortex, therefore the pressure loss is smaller, to reduce energy consumption to smooth.
Description
Technical field
The present invention relates to valve technology fields, more particularly to a kind of shut-off valve for refrigeration system.
Background technique
It within air-conditioning systems, mainly include the components such as compressor, indoor heat exchanger, outdoor heat exchanger, shut-off valve,
In, shut-off valve is mainly used for connecting indoor unit and outdoor unit, plays the role of controlling refrigerant flow on-off.
Referring to FIG. 1, Fig. 1 is a kind of structural schematic diagram of typical shut-off valve of background technique.
Shut-off valve is mounted on outdoor unit, which includes valve body 1 ' and valve rod 2 '；Wherein, the left end setting of valve body 1 '
There is the first extension 14', and open up first passage 11 ' in the first extension 14', lower end offers second channel 12 '；Valve rod 2 '
In the inner cavity of valve body 1 ', valve rod 2 ' is above provided with external screw thread, and the inner cavity wall surface of valve body 1 ' is equipped with the outer spiral shell with valve rod 2 '
The internal screw thread that line matches, thus move up and down in 1 ' inner cavity of valve body under the action of screw thread pair when valve rod 2 ' rotates, so as to
Close or be connected to first passage 11 ' and second channel 12 '.
Before air conditioner installation, rotation valve rod 2 ' is moved down, so that first passage 11 ' and second channel 12 ' are in close state,
The fluid passages such as refrigerant are disconnected, after air conditioner installation, valve rod 2 ' is rotated further by and moves up, so that first passage 11 ' and second leads to
Road 12 ' is in connected state, i.e., is connected to the fluid passages such as refrigerant.
With shown in Fig. 1, second channel 12 ' is outdoor system wing passage, first passage 11 ' is indoor heating system wing passage,
Outer end is equipped with the union nut 3 ' with indoor unit connection.
In addition, the shut-off valve is also provided with filling structure in valve body right end, in order to fill refrigerant into air conditioner.Specifically
Ground, shut-off valve are additionally provided with the second extension 13', which includes the valve inside 4 ' being arranged in the second extension 13',
Refrigerant is filled into air conditioner will pass through it.It is of course also possible to the setting filling structure not on stop valve body, and will filling
Structure is separately arranged.
The revealed shut-off valve of background technique, first passage 11' and second channel ' it is substantially in 90 degree of angles, this means that
Refrigerant needs to carry out in flow process biggish steering, and due to the blocking of valve rod 2', refrigerant fluid may generate whirlpool
Stream, so that the pressure loss of refrigerant becomes larger, so that energy consumption is got higher.
Therefore, how to design it is a kind of reduction refrigerant pressure loss, reduce energy consumption shut-off valve, be those skilled in the art urgently
Technical problem to be solved.
Summary of the invention
The object of the present invention is to provide a kind of shut-off valves, can reduce refrigerant pressure and lose and reduce energy consumption.For this purpose, this hair
It is bright to use following technical scheme:
Shut-off valve, it is characterised in that: prolong including valve body, and from outwardly extending first extension of the valve body, second
Extending portion and third extension, first extension have the first central axis, and second extension has the second center
Axis, first central axis and second centerline axis parallel are arranged, and have spacing, and meet following relationship:
0 < D < d1, and 0 < D < d2；
Wherein, d1 is the internal diameter of first extension (11), and d2 is the internal diameter of second extension (12), and D is institute
State the spacing of the first central axis Yu second central axis.
Based on the above technical solution, several technical characteristics can also be further improved or is refined,
To form following various technical solutions:
The third extension has third central axis, and the third central axis has with second central axis
Angle α, and meet following relationship:
0 90 ° of < α <.
The third central axis and second central axis have angle (α), and meet following relationship:
30 ° of 60 ° of < α <
It further include filling end, the central axis at the filling end falls in first central axis, the second central axis, the
Plane where three central axis.
The bottom of the shut-off valve is provided with mounting portion.
Be provided with valve rod in the third extension, the valve rod can the relative motion inside the third extension, and
It is abutted with the valve port portion for being set to the valve inner or separate.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of typical shut-off valve of background technique；
Fig. 2 provides the structural schematic diagram of first embodiment shut-off valve for the present invention；
Fig. 3 provides the stereoscopic schematic diagram of first embodiment shut-off valve for the present invention；
Fig. 4 provides the structural schematic diagram of second embodiment shut-off valve for the present invention；
Fig. 5 is the portion A enlarged drawing in Fig. 4；
Fig. 6 provides the structural schematic diagram of third embodiment shut-off valve for the present invention；
Fig. 7 is the portion B enlarged drawing in Fig. 6.
Specific embodiment
In order to enable those skilled in the art to better understand the solution of the present invention, with reference to the accompanying drawings and detailed description
The present invention is described in further detail.The present embodiment announcement contents of the present invention merely for convenience, are not meant to
The present invention can only be using structure documented by present embodiment.The technology that those skilled in the art can provide in present embodiment
Under enlightenment, equivalent embodiment is obtained, within these equivalent embodiments should also be as belonging to the scope of protection of the present invention.
Please referring to Fig. 2, Fig. 3, wherein Fig. 2 is the stop valve structure schematic diagram of first embodiment provided by the present invention,
Fig. 3 provides the stereoscopic schematic diagram of first embodiment shut-off valve for the present invention.
Shut-off valve includes valve body 1 and valve rod 2；Wherein, valve body 1 has from outwardly extending first extension 11 of ontology, the
Two extensions 12 and third extension 13, wherein the inside of the first extension 11 forms the channel of tubulose, the second extension 12
Inside also form the channel of tubulose.First extension 11 has the first central axis S1, and the second extension 12 has in second
Mandrel line S2, S1 and S2 can be set to space D parallel to each other, and having setting.If the internal diameter of the first extension 11 is
The internal diameter of d1, the second extension 12 are d2, then meet following relationship:
0 < D < d1, and 0 < D < d2.
First connecting tube 111 is fixedly connected with the first extension 11, in this way, the first extension 11 and the first connecting tube 111
First central axis S1 having the same；Meanwhile second connecting tube 121 be fixedly connected with the second extension 12, the second extension
The 12 and same second central axis S2 having the same of the second connecting tube 121.
In this way, the second connecting tube 121 can be flowed into inside valve body 1 when refrigerant is flowed into from the first connecting tube 111,
Since the first central axis S1 and the second central axis S2 are substantially parallel, the not big turnover in the path of fluid is flowed relatively flat
It is suitable, it is not likely to produce vortex, therefore the pressure loss is smaller, to reduce energy consumption.
The third extension 13 of valve body 1 is also substantially tubular, is internally provided with valve rod 2, and valve rod 2 can extend in third
Relative displacement occurs by way of being threadedly engaged for the inside in portion 13, when operating valve lever 2 rotate when, valve rod can be made separate or
Close to the valve port portion 14 for being set to valve inner.Valve port portion 14 offers valve port, when valve rod 2 and valve port portion 14 are inconsistent, cuts
Only the valve port of valve is in close state, and the circulation path of refrigerant is cut off.When valve rod 2 is far from valve port portion 14, the valve of shut-off valve
Mouth is in the conductive state.
In order to guarantee the sealing performance between valve rod 2 and valve body 1, it is provided with soft sealing element therebetween, meanwhile,
The end of third extension 13 is additionally provided with bonnet 3, when bonnet 3 is contacted by being threadedly engaged with third extension 13, the two
Between form metal hard-sealing, to ensure that the sealing performance of shut-off valve.
Third extension 13 has third central axis S3, and the extending direction of extending direction and the second extension 12 has
Acute angle, as shown in Fig. 2, S2 and S3 has angle α, wherein α meets the following conditions:
0 90 ° of < α <.
As further embodiment, α can be set to 30 ° of 60 ° of < α <.
This setup, convenient for the processing in valve port portion 14.
Based on the above technical solution, filling end 5 can also be further set, and filling end 5 can be set with the
The vertical direction of plane where one central axis S1, the second central axis S2, third central axis S3, i.e. S1, S2, S3 are located at
Same plane, and fill the central axis at end 5 and the plane is vertically arranged, as shown in Figure 3.
It is additionally provided with mounting portion 4 in the bottom of shut-off valve, mounting portion 4 is used for and the installation in refrigeration system, this field skill
Art personnel are appreciated that mounting portion 4 is not limited to Fig. 2 or structure shown in Fig. 3, but can be made according to installation environment various
The change of adaptability is to meet installation requirement.
Referring to figure 4., Fig. 5, Fig. 4 provide the structural schematic diagram of second embodiment shut-off valve, Fig. 5 Fig. 4 for the present invention
The middle portion A enlarged drawing.
Present embodiment for ease of description, for present embodiment in first embodiment have identical structure and tool
There is the component of phase same-action to use same appended drawing reference, second is equally applicable to for the description of each component in first embodiment
Embodiment.It is described in detail below for place is different from the first embodiment.
In the present embodiment, it is additionally provided with first annular slot 141 and the second annular groove 142 in the inside of valve body 1, the
One annular groove 141 and the second annular groove 142 are separately positioned on the two sides in valve port portion 14.Wherein, first annular slot 141 and second
The inner passage of extension 12 and the inner passage of third extension 13 are connected；Second annular groove 142 and the first extension
11 inner passage is connected.
The width of first annular slot 141 is greater than the valve port internal diameter in valve port portion 14.
Due to the needs cooperated with valve rod 2, the internal diameter in valve port portion 14 is usually less than the internal diameter of each extension of valve body, and due to
First annular slot 141 and the second annular groove 142 are separately positioned on the two sides in valve port portion 14, so that the runner cavity of valve port portion two sides
Volume becomes larger, so that fluid has the more fully flowing space, reduces the section that fluid is occurred when flowing through valve port portion 14
Effect is flowed, the pressure loss is further reduced, reduces energy loss.
Second annular groove 142 has peripheral wall portion 1421, and the width of peripheral wall portion 1421 and the internal diameter of the first extension 11 are mutually fitted
It answers, as shown in figure 5,11 direct neighbor of peripheral wall portion 1421 and the first extension, refrigerant fluid can be direct on the upper left side of diagram
The second annular groove 142 is flowed into along the first extension 11；In the lower right of diagram, refrigerant from the first extension 11 inflow after by
The second annular groove is flowed into after the transition of valve inner.This structure setting can further promote the ride comfort of refrigerant flowing, and
It visits and only generates biggish vortex phenomenon.
It is, of course, also possible to make various transformation to present embodiment, for example first annular slot 141 can be only set, without
Second annular groove 142 is set, can equally play the role of reducing the pressure loss.
Fig. 6, Fig. 7 are please referred to, Fig. 6 provides the structural schematic diagram of third embodiment shut-off valve, Fig. 7 Fig. 6 for the present invention
The middle portion B enlarged drawing.
Present embodiment for ease of description, for present embodiment in first embodiment have identical structure and tool
There is the component of phase same-action to use same appended drawing reference, third is equally applicable to for the description of each component in first embodiment
Embodiment.It is described in detail below for place is different from the first embodiment.
In the third embodiment, the inside of valve body 1 is additionally provided with recessed portion 113, and recessed portion 113 is substantially set to first
Between extension 11 and the second extension 12, and it is located at the inside of valve body 1, is flowed so that being formed by channel from the first extension 11
The refrigerant entered is flowed through from recessed portion 113, is then entered back into the second extension and is formed by channel.
Recessed portion 113 has the first circulation section 1131 and the second circulation section 1132, and in the first circulation section 1131 and the
The junction of two circulation sections 1132 forms minimum point X.On the basis of view shown in fig. 5, the position of minimum point X is prolonged lower than first
The inner wall of the inner wall of extending portion 11, i.e. minimum point X and the first extension 11 has along the radial distance d3 of the first extension 11.
In this way, since the setting of recessed portion 113 and the minimum point X of recessed portion 113 are interior not higher than the first extension 11
Wall, so that intermediate location channel of the refrigerant channel between the first extension 11 and the second extension 12 increases, when refrigerant is from the
It when one extension 11 flows to the second extension 12, will not significantly obstruct, i.e., will not generate ladder-like runner, to be conducive to flow
Body smoothly passes through, and reduces fluid resistance and increases and cause the additional pressure loss.
In specific processing, cutter can be protruded into from the inside of third extension 13, it is straight by way of machining
It is connected into the above-mentioned recessed portion 113 of type.
Above-mentioned three kinds of embodiments, not exclusive technical solution, three kinds of embodiments can be tied arbitrarily two-by-two each other
It closes and forms new technical solution or three kinds of embodiment common combinations and form new technical solution together.This field
Technical staff can make various combinations under the technical inspiration of application, no longer repeat the technical side after combination one by one herein
Case.
It should be noted that the term positions such as upper and lower, left and right mentioned by this specification, are made with Figure of description
On the basis of, it introduces for ease of description；And the ordinal numbers such as " first " in component names, " second ", also for being convenient for
Description and introduce, be not meant to make any restriction to any order of component.
Shut-off valve provided by the present invention is described in detail above, specific case used herein is to the present invention
Principle and embodiment be expounded, method and its core of the invention that the above embodiments are only used to help understand
Thought is thought.It should be pointed out that for those skilled in the art, without departing from the principle of the present invention,
Can be with several improvements and modifications are made to the present invention, these improvement and modification also fall into the protection scope of the claims in the present invention
It is interior.
Claims (10)
1. shut-off valve, it is characterised in that: including valve body (1), and from outwardly extending first extension of the valve body (1)
(11), the second extension (12) and third extension (13), first extension (11), second extension (12)
Inside is respectively formed fluid channel；First extension (11) has the first central axis (S1), second extension (12)
With the second central axis (S2), first central axis (S1) is arranged in parallel with second central axis (S2), and has
There is spacing, and meet following relationship:
0 < D < d1, and 0 < D < d2；
Wherein, d1 is the internal diameter of first extension (11), and d2 is the internal diameter of second extension (12), and D is described the
The spacing of one central axis and second central axis.
2. shut-off valve as described in claim 1, which is characterized in that the third extension (13) has third central axis
(S3), the third central axis (S3) and second central axis (S2) have angle α, and meet following relationship:
0 90 ° of < α <.
3. shut-off valve as claimed in claim 2, which is characterized in that the third central axis (S3) and second central axis
Line (S2) has angle α, and meets following relationship:
30 ° of 60 ° of < α <.
4. shut-off valve as claimed in claim 2, which is characterized in that it further include filling end (5), the center of filling end (5)
Axis falls in plane where first central axis (S1), the second central axis (S2), third central axis (S3).
5. shut-off valve as claimed in claim 4, which is characterized in that the bottom of the shut-off valve is provided with mounting portion (4).
6. shut-off valve as claimed in claim 2, which is characterized in that be provided with valve rod (2), institute in the third extension (13)
Stating valve rod (2) can be in the internal relative motion of the third extension (13), and the valve port portion internal with the valve body (1) is set to
(14) it abuts or separate.
7. shut-off valve as described in claim 1, which is characterized in that be provided with valve port portion (14), the valve in the valve body (1)
Oral area (14) is provided with valve port, and the side of the valve port portion (14) is provided with first annular slot (141), the first annular slot
(141) it is connected simultaneously with the fluid channel of second extension (12) and the third extension (13).
8. shut-off valve as claimed in claim 7, which is characterized in that the other side of the valve port portion (14) is provided with the second annular
Slot (142), second annular groove (142) are provided with peripheral wall portion (1421), the width of the peripheral wall portion (1421) and described the
The internal diameter of one extension (11) is adapted.
9. shut-off valve as claimed in claim 1 or 7, which is characterized in that be provided with recessed portion (113), institute in the valve body (1)
It states recessed portion (113) to be set between first extension (11) and second extension (12), the recessed portion (113)
Minimum point (X) and the inner wall of first extension (11) have at a distance from first extension (11) radial direction (d3).
10. shut-off valve as claimed in claim 9, which is characterized in that the recessed portion (113) has the first circulation section (1131)
And the second adjacent circulation section (1132), the minimum point (X) are formed in first circulation section (1131) and described second
The junction of circulation section (1132).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810083000.0A CN110094518A (en) | 2018-01-29 | 2018-01-29 | Shut-off valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810083000.0A CN110094518A (en) | 2018-01-29 | 2018-01-29 | Shut-off valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110094518A true CN110094518A (en) | 2019-08-06 |
Family
ID=67442217
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810083000.0A Pending CN110094518A (en) | 2018-01-29 | 2018-01-29 | Shut-off valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110094518A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022127400A1 (en) * | 2020-12-15 | 2022-06-23 | 浙江盾安人工环境股份有限公司 | Stop valve, and air conditioning system having same |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2913084A1 (en) * | 2007-02-28 | 2008-08-29 | Ca Mat El | Stop valve for closing and opening coolant e.g. gas, system of air conditioner, has conduit with axial portion oriented along axis of index pin, where index pin is axially movable in portion between open and close positions of conduit |
| CN201487237U (en) * | 2008-11-12 | 2010-05-26 | 姚阜宁 | Pilot operated stop valve |
| CN202646719U (en) * | 2012-05-25 | 2013-01-02 | 罗泳杨 | Stop valve for refrigeration |
| CN105351535A (en) * | 2015-11-11 | 2016-02-24 | 江西鸥迪铜业有限公司 | Household air conditioner stop valve made from aluminum alloy |
| CN205479402U (en) * | 2016-03-25 | 2016-08-17 | 泰兴协联众达化学有限公司 | High life high pressure isolating valve |
| CN206159500U (en) * | 2016-10-21 | 2017-05-10 | 杭州春江阀门有限公司 | Straight angle formula angle valve |
| CN207864653U (en) * | 2018-01-29 | 2018-09-14 | 浙江三花智能控制股份有限公司 | Shut-off valve |
-
2018
- 2018-01-29 CN CN201810083000.0A patent/CN110094518A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2913084A1 (en) * | 2007-02-28 | 2008-08-29 | Ca Mat El | Stop valve for closing and opening coolant e.g. gas, system of air conditioner, has conduit with axial portion oriented along axis of index pin, where index pin is axially movable in portion between open and close positions of conduit |
| CN201487237U (en) * | 2008-11-12 | 2010-05-26 | 姚阜宁 | Pilot operated stop valve |
| CN202646719U (en) * | 2012-05-25 | 2013-01-02 | 罗泳杨 | Stop valve for refrigeration |
| CN105351535A (en) * | 2015-11-11 | 2016-02-24 | 江西鸥迪铜业有限公司 | Household air conditioner stop valve made from aluminum alloy |
| CN205479402U (en) * | 2016-03-25 | 2016-08-17 | 泰兴协联众达化学有限公司 | High life high pressure isolating valve |
| CN206159500U (en) * | 2016-10-21 | 2017-05-10 | 杭州春江阀门有限公司 | Straight angle formula angle valve |
| CN207864653U (en) * | 2018-01-29 | 2018-09-14 | 浙江三花智能控制股份有限公司 | Shut-off valve |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022127400A1 (en) * | 2020-12-15 | 2022-06-23 | 浙江盾安人工环境股份有限公司 | Stop valve, and air conditioning system having same |
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