CN207864653U - Shut-off valve - Google Patents
Shut-off valve Download PDFInfo
- Publication number
- CN207864653U CN207864653U CN201820149508.1U CN201820149508U CN207864653U CN 207864653 U CN207864653 U CN 207864653U CN 201820149508 U CN201820149508 U CN 201820149508U CN 207864653 U CN207864653 U CN 207864653U
- Authority
- 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.)
- Active
Links
Abstract
Shut-off valve, it is characterised in that：Including valve body (1), and from outwardly extending first extension (11) of the valve body (1), the 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 utility model, 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-going.
Description
Technical field
The utility model is related to valve technology fields, more particularly to a kind of shut-off valve for refrigeration system.
Background technology
Within air-conditioning systems, include mainly 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 break-make.
Referring to FIG. 1, Fig. 1 is a kind of structural schematic diagram of typical shut-off valve of background technology.
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 first passage 11 ' is opened up 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 '
Line matched internal thread moves up and down under the action of screw thread pair in 1 ' inner cavity of valve body when being rotated to valve rod 2 ', so as to
Close or be connected to first passage 11 ' and second channel 12 '.
Before air conditioner installation, rotation valve rod 2 ' moves down, so that first passage 11 ' and second channel 12 ' are closed,
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.
Shown in Fig. 1, second channel 12 ' is outdoor system wing passage, and first passage 11 ' is indoor heating system wing passage,
Outer end is equipped with the union nut 3 ' being connect with indoor unit.
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 technology, first passage 11' and second channel ' substantially it is in 90 degree of angles, this means that
Refrigerant needs to carry out larger steering in flow process, and due to the blocking of valve rod 2', refrigerant fluid may will produce whirlpool
Stream so that the pressure loss of refrigerant becomes larger, to which 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.
Utility model content
The purpose of this utility model is to provide a kind of shut-off valve, can reduce refrigerant pressure and lose and reduce energy consumption.For this purpose,
The utility model uses 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
There is the first central axis, second extension to have the second center for extending portion and third extension, first extension
Axis, first central axis are arranged with second centerline axis parallel, 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 and second central axis.
Based on the above technical solution, several technical characteristics can also be further improved or be refined,
To form following various technical solutions：
There is the third extension third central axis, the third central axis to have with second central axis
Angle α, and meet following relationship：
0 90 ° of ＜ α ＜.
The third central axis has angle (α) with second central axis, and meets following relationship：
30 ° of 60 ° of ＜ α ＜
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.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of typical shut-off valve of background technology；
Fig. 2 provides the structural schematic diagram of first embodiment shut-off valve for the utility model；
Fig. 3 provides the stereoscopic schematic diagram of first embodiment shut-off valve for the utility model；
Fig. 4 provides the structural schematic diagram of second embodiment shut-off valve for the utility model；
Fig. 5 is the portions A enlarged drawing in Fig. 4；
Fig. 6 provides the structural schematic diagram of third embodiment shut-off valve for the utility model；
Fig. 7 is the portions B enlarged drawing in Fig. 6.
Specific implementation mode
In order to make those skilled in the art more fully understand the utility model, below in conjunction with the accompanying drawings and it is embodied
The utility model is described in further detail for mode.Present embodiment is merely for convenience to disclose the interior of the utility model
Hold, is not meant to that the utility model can only use the structure recorded in present embodiment.Those skilled in the art can be at this
Under the technical inspiration that embodiment provides, equivalent embodiment is obtained, these equivalent embodiments should also be as belonging to this reality
Within novel protection domain.
It please refers to Fig.2, Fig. 3, wherein Fig. 2 is that the stop valve structure of first embodiment provided by the utility model shows
It is intended to, Fig. 3 provides the stereoscopic schematic diagram of first embodiment shut-off valve for the utility model.
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.There is first extension 11 first central axis S1, the second extension 12 to have in second
Mandrel line S2, S1 and S2 could be provided as 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
12 and 121 same second central axis S2 having the same of the second connecting tube.
In this way, when refrigerant is flowed into from the first connecting tube 111, the second connecting tube 121 can be flowed into along 1 inside of valve body,
Since the first central axis S1 and the second central axis S2 are substantially parallel, the not big turnover in the path of fluid, flowing is 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 screw-thread fit for the inside in portion 13, when operating valve lever 2 rotates, 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 closed, 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 conduction state.
In order to ensure 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 screw-thread fit and third extension 13, the two
Between form metal hard-sealing, to ensure that the sealing performance of shut-off valve.
There is third extension 13 third central axis S3, the extending direction of extending direction and the second extension 12 to have
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 is 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 arranged 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 shown in Fig. 3 structures, but can be made according to installation environment various
The change of adaptability is to meet installation requirement.
Fig. 4, Fig. 5 are please referred to, Fig. 4 provides the structural schematic diagram of second embodiment shut-off valve for the utility model, and Fig. 5 is
The portions A enlarged drawing in Fig. 4.
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 reference numeral, second is equally applicable to for the description of each component in first embodiment
Embodiment.It is described in detail below for first embodiment difference.
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 both 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 more than the valve port internal diameter in valve port portion 14.
Due to the needs coordinated 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 both sides in valve port portion 14 so that the runner cavity of valve port portion both 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, on the upper left side of diagram, 11 direct neighbor of peripheral wall portion 1421 and the first extension, refrigerant fluid can be direct
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 larger 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 for the utility model, and Fig. 7 is
The portions B enlarged drawing in Fig. 6.
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 reference numeral, third is equally applicable to for the description of each component in first embodiment
Embodiment.It is described in detail below for first embodiment difference.
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 positioned at the inside of valve body 1 so that be formed by channel from the first extension 11 and flow
The refrigerant entered is flowed through from recessed portion 113, is then entered back into the second extension and is formed by channel.
There is recessed portion 113 first circulation section 1131 and second to circulate 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 less 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., not will produce 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 stretched into from the inside of third extension 13, it is straight by way of machining
It is connected into the above-mentioned recessed portion of type 113.
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 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 convenient for
Description and introduce, be not meant to make any restriction to any order of component.
Shut-off valve provided by the utility model is described in detail above, specific case used herein is to this
The principle and embodiment of utility model is expounded, and the explanation of above example is only intended to help to understand the utility model
Method and its core concept.It should be pointed out that for those skilled in the art, it is new not departing from this practicality
Under the premise of type principle, several improvements and modifications can be made to this utility model, these improvement and modification also fall into this reality
With in novel scope of the claims.
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 meets 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) has angle α with second central axis (S2), and meets 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 shaft
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 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) while with the fluid channel of second extension (12) and the third extension (13) it is connected.
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 first extension (11) inner wall have along first extension (11) radial direction at a distance from (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 the first circulation section (1131) and described second
The junction of the section that circulates (1132).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820149508.1U CN207864653U (en) | 2018-01-29 | 2018-01-29 | Shut-off valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820149508.1U CN207864653U (en) | 2018-01-29 | 2018-01-29 | Shut-off valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207864653U true CN207864653U (en) | 2018-09-14 |
Family
ID=63459229
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820149508.1U Active CN207864653U (en) | 2018-01-29 | 2018-01-29 | Shut-off valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207864653U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110094518A (en) * | 2018-01-29 | 2019-08-06 | 浙江三花智能控制股份有限公司 | Shut-off valve |
-
2018
- 2018-01-29 CN CN201820149508.1U patent/CN207864653U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110094518A (en) * | 2018-01-29 | 2019-08-06 | 浙江三花智能控制股份有限公司 | Shut-off valve |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101482189B (en) | Three-way ball valve | |
| EP3392534B1 (en) | Electronic expansion valve and spool thereof | |
| WO2020259380A1 (en) | Fluid management assembly | |
| CN202420050U (en) | Bidirectional throttle valve for air conditioner | |
| CN207864653U (en) | Shut-off valve | |
| CN103791664A (en) | Thermal expansion valve with unidirectional control function | |
| CN207864727U (en) | Shut-off valve | |
| CN207880156U (en) | Shut-off valve | |
| CN110094518A (en) | Shut-off valve | |
| JP2023541113A (en) | Stop valves and air conditioning systems with them | |
| CN206175674U (en) | Flow control valve and heat pump system | |
| CN202133198U (en) | Air conditioner and throttling muffler thereof | |
| CN113739601B (en) | Heat exchanger structure and refrigerating system thereof | |
| CN205641419U (en) | Guiding device and air condensing units | |
| CN107917557A (en) | A kind of restriction sleeve and air conditioner | |
| CN204388677U (en) | Heat exchanger screw-thread heat transfer pipe | |
| CN207365517U (en) | A kind of restriction sleeve and air conditioner | |
| CN206410586U (en) | A kind of efficient heat conducting tube of inner surface enhanced type | |
| CN206072515U (en) | Throttling arrangement and air-conditioner | |
| CN203770138U (en) | Enthalpy-added compressor and lower flange component thereof | |
| CN202252154U (en) | Check valve | |
| CN202420048U (en) | Bidirectional throttling valve | |
| CN207963244U (en) | A kind of throttle current divider and the air conditioner with it | |
| CN201462082U (en) | Four-way diverting valve with low thermal conductivity | |
| CN205784053U (en) | Orifice union and air-conditioner |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |