CN208651683U - Valve and refrigeration system with the valve - Google Patents
Valve and refrigeration system with the valve Download PDFInfo
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- CN208651683U CN208651683U CN201821160926.7U CN201821160926U CN208651683U CN 208651683 U CN208651683 U CN 208651683U CN 201821160926 U CN201821160926 U CN 201821160926U CN 208651683 U CN208651683 U CN 208651683U
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- intercommunicating pore
- mounting cylinder
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Abstract
The utility model provides a kind of valve and the refrigeration system with the valve.Wherein, valve includes valve body, spool, valve rod and the first sealing structure, and valve body includes valve body ontology and mounting cylinder, and mounting cylinder is connected to the valve chamber of valve；Spool is located in valve chamber；Valve rod protrudes into valve chamber at least partially by mounting cylinder, and valve rod energy band movable valve plug is acted in valve chamber；Mounting cylinder is provided with the first intercommunicating pore, and one end of the first intercommunicating pore is connected to the gap between valve rod and mounting cylinder, and the other end of the first intercommunicating pore draws port as medium；First sealing structure is set between mounting cylinder and valve rod, and the first sealing structure is located at the two sides of the first intercommunicating pore on the axial direction of valve rod.The leakage risk of fluid media (medium) in valve can be effectively prevented from using the technical solution of the utility model.
Description
Technical field
The utility model relates to refrigeration control fields, in particular to a kind of valve and the refrigeration system with the valve
System.
Background technique
The spool that valve includes valve seat, protrudes into the valve rod of valve seat and is set to inside valve seat, valve rod can be rotatably set
On valve seat, rotatory sealing between valve rod and valve seat.Currently, rotatory sealing, mainly based on filler, filler material can be stone
The materials such as ink, polytetrafluoroethylene (PTFE), rubber, this filling-material structure are only dismantled replacing valve in the case where there is leakage situation again and are filled out
Material can solve the problems, such as leakage.Filling-material structure is as water system solution, in the case where requiring not stringent to leakage
It can apply, and how improve design to avoid the leakage of fluid media (medium), valve is enable to be suitable for the leakage to external environment
The refrigeration system for having strict control is those skilled in the art's problem to be solved.
Utility model content
The main purpose of the utility model is to provide a kind of valve and with the refrigeration system of the valve, to avoid valve
The leakage risk of middle fluid media (medium).
To achieve the goals above, one aspect according to the present utility model provides a kind of valve, including valve body, valve
Core, valve rod and the first sealing structure, valve body include valve body ontology and mounting cylinder, and mounting cylinder is connected to the valve chamber of valve；Spool position
In in valve chamber；Valve rod protrudes into valve chamber at least partially by mounting cylinder, and valve rod energy band movable valve plug is acted in valve chamber；Mounting cylinder is provided with
First intercommunicating pore, one end of the first intercommunicating pore are connected to the gap between valve rod and mounting cylinder, and the other end of the first intercommunicating pore is made
Port is drawn for medium；First sealing structure is set between mounting cylinder and valve rod, and the first sealing structure is in the axial direction side of valve rod
It is located at the two sides of the first intercommunicating pore upwards.
Another aspect according to the present utility model provides a kind of refrigeration system, comprising: valve, valve are above-mentioned valve
Door, the valve body of valve have the valve port portion being connected to valve chamber, and refrigeration system further includes compressor and fluid collection device, and liquid is received
Acquisition means have inlet and liquid outlet, and inlet is drawn port with the medium of the first intercommunicating pore and is connected to；Compressor has import
End and outlet end, liquid outlet are connected to input end, and outlet end is connected to valve port portion.
Using the technical solution of the utility model, be provided with the first intercommunicating pore on mounting cylinder, one end of the first intercommunicating pore with
Gap connection between valve rod and mounting cylinder, the other end of the first intercommunicating pore draw port as medium.This set, it would be possible to
Occur, into the leakage refrigerant in the gap between valve rod and mounting cylinder, refrigerant is unloaded to by liquid by the first intercommunicating pore
Collection device avoids the risk that fluid media (medium) in valve drains in external environment.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide a further understanding of the present invention, this is practical
Novel illustrative embodiments and their description are not constituteed improper limits to the present invention for explaining the utility model.
In the accompanying drawings:
Fig. 1 shows the schematic front view of the embodiment of valve according to the present utility model；
Fig. 2 shows the A-A of the valve of Fig. 1 to schematic cross-sectional view；
Fig. 3 shows the enlarged structure schematic diagram at the B of the valve of Fig. 2；
Fig. 4 shows the schematic perspective view of the spacer ring of the valve of Fig. 1；
Fig. 5 shows the system flow chart of the embodiment of refrigeration system according to the present utility model；
Fig. 6 shows the enlarged structure schematic diagram at the C of the refrigeration system of Fig. 5；And
Fig. 7 shows the schematic cross-sectional view of another embodiment of valve according to the present utility model.
Wherein, the above drawings include the following reference numerals:
1, valve chamber；10, valve body；11, valve body ontology；12, mounting cylinder；121/121A, the first intercommunicating pore；122, first annular
Flange；13, valve port portion；20, spool；30, valve rod；31, the second annular flange；40/40A, the first sealing structure；41, interior sealing
Ring；42, outer seal ring；50, spacer ring；51, the second intercommunicating pore；52, the first spacer ring section；53, the second spacer ring section；54, first annular
Groove；55, second annular groove；56, the first diversion trench；57, the second diversion trench；60, gland；70, second seals structure；80,
Conduit；90, fluid collection device；100, compressor；110, check valve.
Specific embodiment
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
As shown in Figures 1 to 4, the valve of the present embodiment includes: valve body 10, spool 20, valve rod 30 and the first sealing structure
40, valve body 10 includes valve body ontology 11 and mounting cylinder 12, and mounting cylinder 12 is connected to the valve chamber 1 of valve；Spool 20 is located at valve chamber 1
It is interior；Valve rod 30 protrudes into valve chamber 1 at least partially by mounting cylinder 12, and 30 energy band movable valve plug 20 of valve rod is acted in valve chamber 1；Mounting cylinder 12
It is provided with the first intercommunicating pore 121, one end of the first intercommunicating pore 121 is connected to the gap between valve rod 30 and mounting cylinder 12, and first
The other end of intercommunicating pore 121 draws port as medium；First sealing structure 40 is set between mounting cylinder 12 and valve rod 30, the
One sealing structure 40 is located at the two sides of the first intercommunicating pore 121 on the axial direction of valve rod 30.
Using the technical solution of the present embodiment, the first intercommunicating pore 121 is provided on mounting cylinder 12, the first intercommunicating pore 121
Gap between one end and valve rod 30 and mounting cylinder 12 is connected to, and the other end of the first intercommunicating pore 121 draws port as medium.This
Kind setting, it would be possible to appearance, into the leakage refrigerant in the gap between valve rod 30 and mounting cylinder 12, pass through the first intercommunicating pore
Refrigerant is unloaded to the equipment outside valve by 121, prevents hazardous medium to external leakage.
Preferably, in the present embodiment, medium is drawn port and is connected to the external equipment to hold medium, external equipment
Pressure less than medium in the first intercommunicating pore 121 pressure, because the refrigerant in this gap will be under the action of system pressure
Pressure lower external equipment flowing prevents hazardous medium to leaking to realize the purpose being collected to the refrigerant of leakage
Leakage.
As shown in Figures 2 and 3, in the present embodiment, the first sealing structure 40 is located at the on the axial direction of valve rod 30
The two sides of one intercommunicating pore 121.Above structure stop the refrigerant in valve chamber 1 can first by the first sealing structure 40 close to valve chamber 1
Gear, and can not leak in the gap between valve rod 30 and mounting cylinder 12, when the first sealing structure 40 is damaged, have a small amount of cold
Matchmaker enters in above-mentioned gap.Due to the effect of the first sealing structure 40 of 1 side of separate valve chamber of the first intercommunicating pore 121, let out
Leakage to the refrigerant in gap all will flow to external equipment by the first intercommunicating pore 121, realize the collection of leakage refrigerant.Above-mentioned knot
Structure can improve leakproofness, and can reduce the volume of external equipment.
Certainly, it will be appreciated by those skilled in the art that the first intercommunicating pore 121 can also be arranged in the first sealing structure 40
Side, but the leakproofness that the first sealing structure 40 is set to the side of the first intercommunicating pore 121 is come with the scheme that two sides are arranged in
It says poor.Specifically, when the first sealing structure 40 is set to the side of the close valve chamber 1 of the first intercommunicating pore 121, above structure
So that the refrigerant in valve chamber 1 can not leak between valve rod 30 and mounting cylinder 12 first by 40 backstop of the first sealing structure
In gap, when the damage of the first sealing structure 40, has a small amount of refrigerant and enter in above-mentioned gap, and pass through the first intercommunicating pore
121 flow to external equipment, realize the collection of leakage refrigerant.Above structure reduces the collecting amount of refrigerant, so that external
The volume of equipment need not be excessive.It is above-mentioned when the first sealing structure 40 is located at the side of the separate valve chamber 1 of the first intercommunicating pore 121
Structure makes the refrigerant entered in the gap between valve rod 30 and mounting cylinder 12 can be under the backstop of the first sealing structure 40 all
External equipment is flowed to by the first intercommunicating pore 121, to further avoid coolant leakage.
As shown in Figures 2 to 4, in the present embodiment, valve further includes spacer ring 50, and spacer ring 50 is set to mounting cylinder 12 and valve
Between bar 30, the second intercommunicating pore 51 of the inner wall and outer wall through spacer ring 50, the second intercommunicating pore 51 and are provided on spacer ring 50
The connection of one intercommunicating pore 121, the first sealing structure 40 are set to spacer ring 50, and the first sealing structure 40 includes sealing ring group, sealing ring
Group includes inner seal ring 41 and outer seal ring 42, and inner seal ring 41 is set to the inner wall of spacer ring 50, and inner seal ring 41 is interior
Surface and the outer wall of valve rod 30 contact, and outer seal ring 42 is set to the outer wall of spacer ring 50, and the outer surface of outer seal ring 42
It is contacted with the inner wall of mounting cylinder 12.In assembly, first the first sealing structure 40 can be mounted on spacer ring 50, then by group
Component integral installation is in mounting cylinder 12.Above structure is simple, is easily installed, and improves assembly efficiency.Preferably, in this implementation
In example, the second intercommunicating pore 51 is round hole, but is not limited to circle.In addition, plane is (separate on spacer ring for convenience of installing and taking out
The plane of valve chamber 1) 2-4 threaded hole can be processed.It should be noted that inner seal ring 41 and outer seal ring 42 can be O-shaped
Other annular seals such as circle, Lai Gequan.
As shown in Figure 3 and Figure 4, in the present embodiment, the first diversion trench 56 is set on the inner wall of spacer ring 50, spacer ring 50 it is outer
The second diversion trench 57 is provided on wall, the first end of the second intercommunicating pore 51 and the first diversion trench 56 are connected, the second intercommunicating pore 51
Second end and the second diversion trench 57 are connected.Above structure plays guide functions to refrigerant, and the refrigerant of leakage is imported into
To the first intercommunicating pore 121.After failure when lower seal is due to abrasion, aging mechanical failure, refrigerant passes through lower part
After the leakage of first sealing structure 40, refrigerant enters middle part diversion trench, seals since top exists, it is lower that refrigerant will flow to pressure
In external equipment.
As shown in Figures 2 and 3, in the present embodiment, sealing ring group is multiple groups, axial direction of the multiple groups sealing ring group in valve rod 30
It is located at the two sides of the first intercommunicating pore 121 on direction.Above structure can greatly improve the leakproofness of valve, further avoid refrigerant
Leakage.
As shown in Figures 2 to 4, in the present embodiment, spacer ring 50 is divided into the close to valve chamber 1 by the first intercommunicating pore 121
One spacer ring section 52 and the second spacer ring section 53 far from valve chamber 1, are provided with multiple groups sealing ring group in the first spacer ring section 52, second every
One or more groups of sealing ring groups are provided in ring segment 53.In said structure, multiple groups sealing ring group is set to the first spacer ring section 52
On, to avoid the refrigerant in valve chamber 1 to enter in the gap between valve rod 30 and mounting cylinder 12 as far as possible, to extend second as far as possible
Sealing ring group in spacer ring section 53 obtains service life.
As shown in Figures 2 to 4, in the present embodiment, the first of installation inner seal ring 41 is provided on the inner wall of spacer ring 50
Annular groove 54 is provided with the second annular groove 55 of installation outer seal ring 42 on the outer wall of spacer ring 50.Above structure is simple, just
In processing and assembly.
As shown in figure 3, in the present embodiment, being provided with the first ring on the inner wall of the close valve chamber 1 of the inner wall of mounting cylinder 12
Shape flange 122 is provided with second annular flange 31 corresponding with first annular flange 122, mounting cylinder 12 on the outer wall of valve rod 30
The end of separate valve chamber 1 be provided with gland 60, the outer wall of valve rod 30, the inner wall of mounting cylinder 12, first annular flange 122 it is remote
The end face of the close valve chamber 1 of the end face and gland 60 of the separate valve chamber 1 of end face, the second annular flange 31 from valve chamber 1 is formed
Accommodate the accommodation space of spacer ring 50.Specifically, in the present embodiment, after spacer ring 50 is placed in accommodation space, by gland 60
It is fixed on mounting cylinder 12 by fastener.Above structure is simple, is easy to dismount, and facilitates maintenance.
As shown in Figures 2 and 3, in the present embodiment, second seals structure 70 is provided between gland 60 and mounting cylinder 12.
When the damage of the first sealing structure 40 of the side far from valve chamber 1, refrigerant will can not be outer by 70 backstop of second seals structure
It lets out, thus further improves the leakproofness of valve, suitable for the system stringenter to sealing requirements.
As shown in Figure 5 and Figure 6, in the present embodiment, it is provided with conduit 80 or connector at the first intercommunicating pore 121, first
Intercommunicating pore 121 can be connected to by conduit 80 or connector with external equipment.Above structure is simple, it is easy to accomplish.Preferably, at this
In embodiment, conduit 80 and mounting cylinder 12 can be direct socket weld or butt welding, can also use other sides such as threaded connection
Formula connection.
As shown in Fig. 2, in the present embodiment, valve is ball valve, and spool 20 is in spherical, and valve rod 30 is with movable valve plug 20 in valve chamber
Rotation in 1.
As shown in Fig. 2, in the present embodiment, valve body ontology 11 and mounting cylinder 12 are structure as a whole.Above structure is simple, easily
In processing, installation step is reduced.
It should be noted that the valve of the present embodiment is applicable to all kinds of refrigeration, heating equipment or other hazardous mediums
There is the low speed operation component liquid medium sealing occasion of strict demand to external leakage.
As shown in Figure 5 and Figure 6, present invention also provides a kind of refrigeration systems, according to the implementation of the refrigeration system of the application
Example includes valve, and valve is above-mentioned valve.Since above-mentioned valve has the advantages that applicability is good, with its refrigeration system
System also has the advantages that it.
As shown in Figure 5 and Figure 6, in the present embodiment, the valve body 10 of valve has the valve port portion 13 being connected to valve chamber 1, system
Cooling system further includes fluid collection device 90 and compressor 100.Wherein, fluid collection device 90 has inlet and out liquid
Mouthful, inlet is connected to the first intercommunicating pore 121.Compressor 100 has inlet end and an outlet end, and liquid outlet is connected to input end,
Outlet end is connected to valve port portion 13.Specifically, in the present embodiment, fluid collection device 90 can store small amount of leakage refrigerant, when
When leakage rate is more micro, fluid collection device 90 can store the part refrigerant leaked out, reduce spacer ring 50 and system refrigerant
Direct contact, while fluid collection device 90 can also be used as refrigerant collection device otherwise for the refrigerant hand of leakage
It is dynamic to collect and be re-added in system, to realize the again internal circulation of leakage refrigerant.
As shown in Figure 5 and Figure 6, in the present embodiment, refrigeration system further includes check valve 110, and check valve 110 is set to liquid
Between body collection device 90 and compressor 100.Specifically, in the present embodiment, 110 main function of check valve is to work as coolant leakage
When there is leak pressure in fluid collection device 90 when to a certain extent, leakage refrigerant is released in system, leak is avoided
Position pressure is excessive and continues to leak toward top；It also avoids simultaneously possible due to caused by the refrigerant return to spacer ring 50 of low-pressure side
Leakage.
As shown in fig. 7, the embodiment is not provided with spacer ring as a kind of specific embodiment, valve rod 30 outer wall with
The first sealing structure 40A is directly arranged in gap between the inner wall of mounting cylinder 12.First sealing structure 40A substantially circular ring shape knot
Structure is two one group, is arranged respectively close to the upper and lower part of mounting cylinder 12.Mounting cylinder 12 offers the first intercommunicating pore 121A,
One end of first intercommunicating pore 121A is connected to the gap among upper and lower first sealing structure 40A, the first intercommunicating pore 121 it is another
Port is drawn as medium in one end.Above-mentioned technical proposal can also play same beneficial effect.Details are not described herein.It is described above
The only preferred embodiment of the utility model, is not intended to limit the utility model, and comes for those skilled in the art
It says, various modifications and changes may be made to the present invention.Within the spirit and principle of the utility model, made any to repair
Change, equivalent replacement, improvement etc., should be included within the scope of protection of this utility model.
Claims (12)
1. a kind of valve, which is characterized in that including valve body (10), spool (20), valve rod (30) and the first sealing structure (40),
The valve body (10) includes valve body ontology (11) and mounting cylinder (12), the valve chamber of mounting cylinder (12) and the valve
(1) it is connected to；
The spool (20) is located in the valve chamber (1)；
The valve rod (30) is protruded into the valve chamber (1) at least partially by the mounting cylinder (12), and the valve rod (30) can drive
The spool (20) acts in the valve chamber (1)；
The mounting cylinder (12) is provided with the first intercommunicating pore (121), one end of first intercommunicating pore (121) and the valve rod
(30) the gap connection between the mounting cylinder (12), the other end of first intercommunicating pore (121) is as medium exit
Mouthful；
First sealing structure (40) is set between the mounting cylinder (12) and the valve rod (30), the first sealing knot
Structure (40) is located at the two sides of first intercommunicating pore (121) on the axial direction of the valve rod (30).
2. valve according to claim 1, which is characterized in that the valve further includes spacer ring (50),
The spacer ring (50) is set between the mounting cylinder (12) and the valve rod (30), is provided with and passes through on the spacer ring (50)
Wear the inner wall of the spacer ring (50) and the second intercommunicating pore (51) of outer wall, second intercommunicating pore (51) and first intercommunicating pore
(121) it is connected to, first sealing structure (40) is set to the spacer ring (50), and first sealing structure (40) includes sealing
Ring group, the sealing ring group include inner seal ring (41) and outer seal ring (42), and the inner seal ring (41) is set to described
The inner wall of spacer ring (50), and the inner surface of the inner seal ring (41) and the outer wall of the valve rod (30) contact, it is described outer
Sealing ring (42) is set to the outer wall of the spacer ring (50), and the outer surface of the outer seal ring (42) and the mounting cylinder (12)
Inner wall contact.
3. valve according to claim 2, which is characterized in that the first diversion trench is arranged on the inner wall of the spacer ring (50)
(56), it is provided with the second diversion trench (57) on the outer wall of the spacer ring (50), the first end of second intercommunicating pore (51) and the
One diversion trench (56) conducting, the second end of second intercommunicating pore (51) and second diversion trench (57) are connected.
4. valve according to claim 2, which is characterized in that the sealing ring group is multiple groups, sealing ring group described in multiple groups
It is located at the two sides of first intercommunicating pore (121) on the axial direction of the valve rod (30), the spacer ring (50) is by described the
One intercommunicating pore (121) be divided into close to the valve chamber (1) the first spacer ring section (52) and far from the valve chamber (1) second every
Ring segment (53) is provided with sealing ring group described in multiple groups on the first spacer ring section (52), is arranged on the second spacer ring section (53)
There are one or more groups of sealing ring groups.
5. valve according to claim 2, which is characterized in that it is described interior to be provided with installation on the inner wall of the spacer ring (50)
The first annular groove (54) of sealing ring (41) is provided with the installation outer seal ring (42) on the outer wall of the spacer ring (50)
Second annular groove (55).
6. valve according to claim 2, which is characterized in that the close valve chamber of the inner wall of the mounting cylinder (12)
(1) be provided on inner wall first annular flange (122), be provided on the outer wall of the valve rod (30) with it is described first annular convex
The end far from the valve chamber (1) of corresponding second annular flange (31) of edge (122), the mounting cylinder (12) is provided with gland
(60), the inner wall of the outer wall, the mounting cylinder (12) of the valve rod (30), the first annular flange (122) far from described
The separate end face of the valve chamber (1) and the leaning on for the gland (60) of the end face of valve chamber (1), second annular flange (31)
The end face of the nearly valve chamber (1) forms the accommodation space for accommodating the spacer ring (50).
7. valve according to claim 6, which is characterized in that be arranged between the gland (60) and the mounting cylinder (12)
There are second seals structure (70).
8. valve according to claim 1, which is characterized in that the valve body ontology (11) and the mounting cylinder (12) are one
Body structure.
9. valve according to any one of claim 1 to 8, which is characterized in that be arranged at first intercommunicating pore (121)
There are conduit (80) or connector, first intercommunicating pore (121) can be set by the conduit (80) or the connector with outside
Standby connection, the valve are ball valve, and for the spool (20) in spherical, the valve rod (30) drives the spool (20) in the valve
Rotation in chamber (1).
10. valve according to claim 1, which is characterized in that the valve further includes spacer ring (50), the spacer ring (50)
It is set between the mounting cylinder (12) and the valve rod (30), is provided on the spacer ring (50) through the spacer ring (50)
The second intercommunicating pore (51) of inner wall and outer wall, second intercommunicating pore (51) are connected to first intercommunicating pore (121), and described
One sealing structure (40) is set to the spacer ring (50), and first sealing structure (40) includes sealing ring group, the sealing ring
Group includes inner seal ring (41) and outer seal ring (42), and the inner seal ring (41) is set to the inner wall of the spacer ring (50),
And the outer wall of the inner surface and the valve rod (30) of the inner seal ring (41) contacts, the outer seal ring (42) is set to
The outer wall of the spacer ring (50), and the outer surface of the outer seal ring (42) and the inner wall of the mounting cylinder (12) contact,
It is arranged the first diversion trench (56) on the inner wall of the spacer ring (50), is provided with the second diversion trench on the outer wall of the spacer ring (50)
(57), the first end of second intercommunicating pore (51) and the first diversion trench (56) are connected, and the second of second intercommunicating pore (51)
End is connected with second diversion trench (57), and the of the installation inner seal ring (41) is provided on the inner wall of the spacer ring (50)
One annular groove (54) is provided with the second annular groove for installing the outer seal ring (42) on the outer wall of the spacer ring (50)
(55), first annular flange (122), institute are provided on the inner wall of close valve chamber (1) of the inner wall of the mounting cylinder (12)
It states and is provided with the second annular flange (31) corresponding with first annular flange (122), the peace on the outer wall of valve rod (30)
The end far from the valve chamber (1) of fitted tube (12) is provided with gland (60), outer wall, the mounting cylinder of the valve rod (30)
(12) inner wall, the end face far from the valve chamber (1) of the first annular flange (122), second annular flange (31)
The end face and the gland (60) far from the valve chamber (1) the end face close to the valve chamber (1) formed accommodate it is described every
The accommodation space of ring (50) is provided with conduit (80) or connector, first intercommunicating pore at first intercommunicating pore (121)
(121) it can be connected to by the conduit (80) or the connector with external equipment.
11. a kind of refrigeration system, comprising: valve, which is characterized in that the valve is as claimed in any one of claims 1 to 9
Valve, the valve body (10) of the valve have the valve port portion (13) being connected to the valve chamber (1), and the refrigeration system further includes pressure
Contracting machine (100) and fluid collection device (90), the fluid collection device (90) have inlet and liquid outlet, the inlet
Port is drawn with the medium of first intercommunicating pore (121) to be connected to；The compressor (100) has inlet end and an outlet end, institute
It states liquid outlet to be connected to the input end, the outlet end is connected to the valve port portion (13).
12. refrigeration system according to claim 11, which is characterized in that the refrigeration system further includes check valve (110),
The check valve (110) is set between the fluid collection device (90) and the compressor (100).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821160926.7U CN208651683U (en) | 2018-07-20 | 2018-07-20 | Valve and refrigeration system with the valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821160926.7U CN208651683U (en) | 2018-07-20 | 2018-07-20 | Valve and refrigeration system with the valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208651683U true CN208651683U (en) | 2019-03-26 |
Family
ID=65786180
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821160926.7U Active CN208651683U (en) | 2018-07-20 | 2018-07-20 | Valve and refrigeration system with the valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208651683U (en) |
-
2018
- 2018-07-20 CN CN201821160926.7U patent/CN208651683U/en active Active
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| GR01 | Patent grant | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20220818 Address after: 312500 Daming new area, economic development zone, Xinchang County, Shaoxing City, Zhejiang Province Patentee after: Zhejiang Sanhua Commercial Refrigeration Co.,Ltd. Address before: 312500 xialiquan village, Qixing street, Xinchang County, Shaoxing City, Zhejiang Province Patentee before: ZHEJIANG SANHUA CLIMATE AND APPLIANCE CONTROLS GROUP Co.,Ltd. |