CN210423906U - Electromagnetic valve, air conditioner, water purification system and electric appliance - Google Patents

Electromagnetic valve, air conditioner, water purification system and electric appliance Download PDF

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Publication number
CN210423906U
CN210423906U CN201921053698.8U CN201921053698U CN210423906U CN 210423906 U CN210423906 U CN 210423906U CN 201921053698 U CN201921053698 U CN 201921053698U CN 210423906 U CN210423906 U CN 210423906U
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CN
China
Prior art keywords
solenoid valve
limiting
installation
connecting rod
operating rod
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CN201921053698.8U
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Chinese (zh)
Inventor
秦永强
郭蘅
梁杰波
袁国炉
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Gree Electric Appliances Inc of Zhuhai
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Gree Electric Appliances Inc of Zhuhai
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Priority to CN201921053698.8U priority Critical patent/CN210423906U/en
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Abstract

The utility model discloses a solenoid valve, air conditioner, water purification system and electrical apparatus, the solenoid valve includes: a coil body; a valve body having an insertion mounting portion mounted in the coil body; the locating part, the locating part sets up coil body is internal, the locating part is used for spacing fixed insert the installation department and loosen insert the installation department. The utility model discloses a solenoid valve is through installing the installation department that inserts the valve body at the coil body to set up the locating part, in the installation, can not need screw fixed mounting through the spacing fixed installation department that inserts of locating part, when simplifying the installation, also consequently avoided using mounting tool, even if operating space is not big also can install smoothly, does not have too many restrictions to operating space, thereby promotes production efficiency and makes things convenient for after-sales maintenance.

Description

Electromagnetic valve, air conditioner, water purification system and electric appliance
Technical Field
The utility model relates to a solenoid valve technical field, concretely relates to solenoid valve, air conditioner, water purification system and electrical apparatus.
Background
Air conditioning unit needs a lot of solenoid valves to control at the operation in-process, just can realize the switching of different modes or use simultaneously, as shown in fig. 1, current solenoid valve includes solenoid valve body and control assembly, control assembly overlaps on the valve body, then fix at the top with the screw, however, this kind of screw fixation mode is too loaded down with trivial details and inconvenient, because control assembly generally is the level or vertical upward installation, so when air conditioning unit research and development, need reserve certain installation space for control assembly, in order to make things convenient for the screwdriver, pneumatic screwdriver, the operation of instrument such as electric screwdriver, this will have had a lot of restrictions in air conditioning pipeline in the design, and, if can't reserve sufficient installation space, can bring very big inconvenience for installation and later maintenance.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solenoid valve, air conditioner, water purification system and electrical apparatus have solved the inconvenient problem of current solenoid valve installation and later maintenance.
According to an aspect of the utility model, a solenoid valve is disclosed, include: a coil body; a valve body having an insertion mounting portion mounted in the coil body; the locating part, the locating part sets up coil body is internal, the locating part is used for spacing fixed insert the installation department and loosen insert the installation department.
Further, the coil body has an accommodation cavity in which the insertion-mounting portion is provided.
Furthermore, the part of the insertion installation part, which is positioned in the accommodating cavity, is a first limiting part; the limiting part is located in the accommodating cavity and is provided with a second limiting part matched with the first limiting part.
Further, the first limiting part is a groove structure formed on the surface of the insertion installation part, and the second limiting part is a caliper structure matched with the groove structure.
Further, the groove is an annular groove, and the caliper structure is an arc-shaped caliper.
Furthermore, a plug hole communicated with the accommodating cavity is formed in the coil body, and the plug installation part penetrates through the plug hole and then is located in the accommodating cavity.
Further, the coil body has a guide tube structure, a first end of the guide tube structure is located on the surface of the coil body, a second end of the guide tube structure extends into the accommodating cavity, the inner wall of the guide tube structure forms the insertion hole, and the inner wall of the insertion hole forms a guide surface for guiding the insertion mounting part to be inserted into a fixed mounting position.
Further, the locating part is wholly arranged in the accommodating cavity, and the locating part comprises: the connecting rod is movably arranged in the accommodating cavity, and the first end of the connecting rod is in limit fit with the insertion mounting part; the utility model discloses a coil body, including the coil body, the action bars, the first end of action bars with the second end of connecting rod links to each other, the second end of action bars extends to the outside of coil body, the action bars is used for driving the connecting rod removes, so that the connecting rod is spacing fixed insert the installation department or with insert the installation department and break away from the cooperation.
Further, the locating part is wholly arranged in the accommodating cavity, and the locating part comprises: the connecting rod is rotatably arranged in the accommodating cavity through a rotating shaft, and the first end of the connecting rod is in limit fit with the insertion installation part; the utility model discloses a coil body, including the coil body, the action bars, the first end of action bars with the second end of connecting rod links to each other, the second end of action bars extends to the outside of coil body, the action bars is used for driving the connecting rod rotates, so that the connecting rod is spacing fixed insert the installation department or with insert the installation department and break away from the cooperation.
Further, the stopper further includes: the elastic piece is arranged in the accommodating cavity, is elastically connected with the operating rod and is used for resetting the operating rod; when the operating rod is under the action of external force, the operating rod compresses the elastic piece to enable the elastic piece to generate elastic deformation, and meanwhile, the operating rod drives the connecting rod to be disengaged from the insertion installation part; when the operating rod receives external force and disappears, the elastic piece pushes the operating rod to reset, and simultaneously the operating rod drives the connecting rod is limited and fixed to insert the installation part.
Further, the stopper further includes: the limiting mounting shell is provided with an inner cavity, the connecting rod is rotatably arranged in the inner cavity of the limiting mounting shell, the operating rod penetrates out of the limiting mounting shell, and the first end of the connecting rod extends out of the limiting mounting shell; one end of the elastic piece is connected with the inner wall of the limiting installation shell, and the other end of the elastic piece is connected with the operating rod.
Furthermore, the limiting parts are multiple, and the two limiting parts are oppositely arranged on two sides of the insertion installation part.
Furthermore, the limiting parts are multiple, and the limiting parts are arranged in the accommodating cavity at intervals along the periphery of the insertion hole.
Further, the surface of the coil body is provided with an installation opening communicated with the accommodating cavity, and the whole limiting part can be installed to the accommodating cavity through the installation opening.
Further, the solenoid valve further includes: the shell, the shell cladding is in the coil body is outside, the shell covers the installing port, be provided with on the shell and be used for dodging the breach of dodging of action bars, the action bars passes dodge the breach and extend to the shell is outside.
According to a second aspect of the present invention, an air conditioner is disclosed, comprising the above-mentioned solenoid valve.
According to the utility model discloses a third aspect discloses a water purification system, including foretell solenoid valve.
According to a fourth aspect of the present invention, an electrical appliance is disclosed, comprising the above-mentioned solenoid valve.
The utility model discloses a solenoid valve is through installing the installation department that inserts the valve body at the coil body to set up the locating part, in the installation, can not need screw fixed mounting through the spacing fixed installation department that inserts of locating part, when simplifying the installation, also consequently avoided using mounting tool, even if operating space is not big also can install smoothly, does not have too many restrictions to operating space, thereby promotes production efficiency and makes things convenient for after-sales maintenance.
Drawings
Fig. 1 is a schematic structural diagram of a solenoid valve according to an embodiment of the present invention;
fig. 2 is a perspective sectional view of a solenoid valve according to an embodiment of the present invention;
fig. 3 is an exploded view of a solenoid valve according to an embodiment of the present invention;
fig. 4 is a working schematic diagram of the electromagnetic valve according to the embodiment of the present invention;
fig. 5 is a schematic diagram of a state before installation of the electromagnetic valve according to the embodiment of the present invention;
fig. 6 is a schematic view of an unlimited state of the electromagnetic valve according to the embodiment of the present invention;
fig. 7 is a schematic diagram of an installed state of the electromagnetic valve according to the embodiment of the present invention;
fig. 8 is an enlarged view of a portion of fig. 7 according to the present invention;
legend: 11. a coil body; 112. inserting holes; 113. an accommodating chamber; 114. a housing; 115. an installation port; 116. avoiding the notch; 12. a limiting member; 121. a second limiting part; 122. a connecting rod; 123. An operating lever; 124. a limiting installation shell; 125. an elastic member; 20. a valve body; 21. an insertion mounting part; 211. a first limiting part.
Detailed Description
The present invention is further illustrated by the following examples, but is not limited to the contents of the specification.
The utility model discloses a solenoid valve, include: a coil body 11, a valve body 20 and a stopper 12, the valve body 20 having an insertion-fitting portion 21, the insertion-fitting portion 21 being fitted in the coil body 11; the limiting member 12 is disposed in the coil body 11, and the limiting member 12 is used for limiting the fixed insertion installation portion 21 and releasing the insertion installation portion 21. The utility model discloses an electromagnetic valve installs at coil body 11 through the installation department 21 that inserts with valve body 20 to set up locating part 12, in the installation, can insert installation department 21 through the spacing fixed of locating part 12, do not need screw fixed mounting, when simplifying the installation, also consequently avoided using mounting tool, even if operating space is not big also can install smoothly, does not have too many restrictions to operating space, thereby promote production efficiency and conveniently sell the after-maintenance.
In the above embodiment, the coil body 11 has the accommodating cavity 113, the insertion mounting portion 21 is disposed in the accommodating cavity 113, and a portion of the insertion mounting portion 21 located in the accommodating cavity 113 is the first stopper portion 211; the limiting member 12 is located in the accommodating cavity 113, and the limiting member 12 has a second limiting portion 121 matched with the first limiting portion 211. The utility model discloses an electromagnetic valve is through setting up first spacing portion 211 on inserting installation department 21, and set up spacing portion 121 of second on locating part 12, make first spacing portion 211 and the spacing portion 121 of second can spacing cooperation, thereby make coil body 11 and the relative position who inserts installation department 20 fixed, do not need screw fixed mounting, when simplifying the installation process, also consequently, avoided using mounting tool, even if operating space is too big also can install smoothly, there is not too many restriction to operating space, thereby promote production efficiency and make things convenient for after-sales maintenance.
In the above embodiment, the first stopper portion 211 is a groove structure formed on the surface of the insertion mounting portion 21, and the second stopper portion 121 is a caliper structure adapted to the groove structure. The utility model discloses a solenoid valve is through setting up groove structure and calliper structure to it is spacing to realize mutual joint, and in order to improve spacing reliability, the recess is the ring channel, and the calliper structure is arc calliper, sets up like this and can furthest improve the spacing complex area of calliper and recess, makes spacing cooperation more reliable.
In the above embodiment, the coil body 11 is formed with the insertion hole 112 communicating with the accommodation chamber 113, and the insertion mounting portion 21 is located in the accommodation chamber 113 after penetrating through the insertion hole 112. The utility model discloses an electromagnetic valve makes to insert installation department 21 and can run through and enter behind spliced eye 112 and hold chamber 113 in through being formed with the spliced eye 112 that holds chamber 113 intercommunication on coil body 11 to easy to assemble.
In the above embodiment, the coil body 11 has the guide tube structure, the first end of the guide tube structure is located on the surface of the coil body 11, the second end of the guide tube structure extends into the accommodating cavity 113, the inner wall of the guide tube structure forms the insertion hole 112, and the inner wall of the insertion hole 112 forms the guide surface for guiding the insertion mounting portion 21 to be inserted into the fixed mounting position. The utility model discloses an electromagnetic valve makes the installation department 21 of inserting can reach the fixed mounting position under the guide of the spigot surface that the inner wall of spliced eye 112 formed through setting up the stand pipe structure to make first spacing portion 211 and the spacing portion 121 of second can accurately cooperate, effectively prevent the assembly difficulty that rocks in the installation process of installation department 21 and lead to, improve the installation effectiveness greatly.
In the above embodiment, the limiting member 12 is integrally disposed in the accommodating cavity 113, and the limiting member 12 includes: the connecting rod 122, the connecting rod 122 is set up in accommodating the lumen 113 movably, the first end of the connecting rod 122 cooperates with spacing of inserting the mounting part 21; the first end of the operating rod 123 is connected to the second end of the connecting rod 122, the second end of the operating rod 123 extends to the outside of the coil body 11, and the operating rod 123 is used for driving the connecting rod 122 to move, so that the connecting rod 122 is limited and fixed to the insertion installation part 21 or is disengaged from the insertion installation part 21. The utility model discloses an electromagnetic valve makes action bars 123 can drive connecting rod 122 and remove through setting up connecting rod 122 and action bars 123 to make connecting rod 122 spacing fixed insert installation department 21 or with insert installation department 21 and break away from the cooperation, do not need screw fixed mounting, avoid using mounting tool, simplify the installation greatly, even if operating space is not big also can install smoothly, do not have too many restrictions to operating space, thereby promote production efficiency and make things convenient for after-sales maintenance.
In another embodiment, the limiting member 12 is integrally disposed in the accommodating cavity 113, and the limiting member 12 includes: the connecting rod 122 is rotatably arranged in the accommodating cavity 113 through a rotating shaft, and the first end of the connecting rod 122 is in limit fit with the insertion installation part 21; and a first end of the operating rod 123 is connected with a second end of the connecting rod 122, the second end of the operating rod 123 extends to the outside of the coil body 11, and the operating rod 123 is used for driving the connecting rod 122 to rotate, so that the connecting rod 122 is limited and fixed to the insertion installation part 21 or is disengaged from the insertion installation part 21. The utility model discloses an electromagnetic valve is through setting up connecting rod 122 and action bars 123, and rotationally set up connecting rod 122 in holding chamber 113 through the pivot, make action bars 123 can drive connecting rod 122 and rotate, thereby make the spacing fixed installation department of inserting 21 of connecting rod 122 or break away from the cooperation with the installation department of inserting 21, do not need screw fixed mounting, avoid using mounting tool, simplify the installation process greatly, even if operation space is not big also can install smoothly, do not have too many restrictions to operation space, thereby promote production efficiency and make things convenient for after sale maintenance.
In the embodiment shown in fig. 1 to 8, the limiting member 12 further includes: the elastic piece 125, the elastic piece 125 is arranged in the accommodating cavity 113, the elastic piece 125 is elastically connected with the operating rod 123, and the elastic piece 125 is used for resetting the operating rod 123; under the action of external force, the operation rod 123 compresses the elastic member 125, so that the elastic member 125 is elastically deformed, and meanwhile, the operation rod 123 drives the connecting rod 122 to be disengaged from the insertion mounting part 21; when the external force on the operating rod 123 disappears, the elastic member 125 pushes the operating rod 123 to return, and the operating rod 123 drives the connecting rod 122 to limit and fix the insertion installation portion 21. The electromagnetic valve of the utility model can realize the reset of the operating rod 123 by arranging the elastic part 125, when in use, the operating rod 123 is pressed, the operating rod 123 compresses the elastic part 125 under the external force, so that the elastic part 125 generates elastic deformation, and meanwhile, the operating rod 123 drives the connecting rod 122 to be disengaged from the insertion installation part 21; loosen when both hands, the action bars 123 receives external force to disappear, and elastic component 125 promotes action bars 123 and resets, and action bars 123 drives the spacing fixed insertion installation department 21 of connecting rod 122 simultaneously, consequently, does not need screw fixed mounting, avoids using mounting tool, simplifies the installation greatly, even if operating space is not big also can install smoothly, does not have too much restriction to operating space to promote production efficiency and make things convenient for after-sale maintenance.
In the above embodiment, the limiting member 12 further includes: the limiting mounting shell 124 is provided with an inner cavity, the connecting rod 122 is rotatably arranged in the inner cavity of the limiting mounting shell 124, the operating rod 123 penetrates out of the limiting mounting shell 124, and the first end of the connecting rod 122 extends out of the limiting mounting shell 124; one end of the elastic member 125 is connected to the inner wall of the limit mounting case 124, and the other end is connected to the operation rod 123. The utility model discloses an installation and the change of locating part 12 can be made things convenient for through setting up spacing installation shell 124 to the solenoid valve, improves the installation effectiveness greatly.
In the above embodiment, there are a plurality of limiting members 12, and two limiting members 12 are oppositely disposed on two sides of the insertion installation portion 21. The utility model discloses a solenoid valve is through setting up two locating parts 12 relatively in the both sides of valve body 20 to can improve the reliability of installation, thereby make things convenient for the operation more, thereby promote production efficiency and make things convenient for after-sales repair.
In the above embodiment, the plurality of limiting members 12 are provided, and the plurality of limiting members 12 are disposed in the accommodating cavity 113 at intervals along the outer periphery of the insertion hole 112. The utility model discloses a coil structure sets up in holding chamber 113 through the periphery interval with a plurality of locating parts 12 along spliced eye 112 to can improve the reliability of installation, thereby make things convenient for the operation more, thereby promote production efficiency and make things convenient for after sales maintenance.
In the above embodiment, the surface of the coil body 11 is opened with the installation opening 115 communicating with the accommodating cavity 113, and the whole limiting member 12 can be installed to the accommodating cavity 113 through the installation opening 115. The solenoid valve further includes a housing 114, the housing 114 covers the outside of the coil body 11, the housing 114 covers the mounting opening 115, an avoiding notch 116 for avoiding the operating rod 123 is arranged on the housing 114, and the operating rod 123 extends to the outside of the housing 114 through the avoiding notch 116. The utility model discloses an installation and the dismantlement process of locating part 12 can be made things convenient for through setting up installing port 115 to the solenoid valve, in addition, through setting up shell 114, can prevent that locating part 12 from coming off from installing port 115, simultaneously, with setting up the breach 116 of dodging that is used for dodging action bars 123 on the shell 114 to pass the action bars 123 and dodge breach 116 and extend to shell 114 outside. Thereby convenient operation promotes production efficiency and makes things convenient for after-sales maintenance.
According to a second aspect of the present invention, an air conditioner is disclosed, comprising the above-mentioned solenoid valve.
According to the utility model discloses a third aspect discloses a water purification system, including foretell solenoid valve.
According to a fourth aspect of the present invention, an electrical appliance is disclosed, comprising the above-mentioned solenoid valve.
It is to be understood that the above-described embodiments of the present invention are merely examples provided for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. Not all embodiments are exhaustive. All obvious changes or variations led out by the technical scheme of the utility model are still in the protection scope of the utility model.

Claims (18)

1. A solenoid valve, comprising:
a coil body (11);
a valve body (20), the valve body (20) having an insertion mounting portion (21), the insertion mounting portion (21) being mounted within the coil body (11);
the limiting part (12), the limiting part (12) set up in coil body (11), limiting part (12) are used for spacing fixedly insert installation department (21) and loosen insert installation department (21).
2. The solenoid valve of claim 1,
the coil body (11) has an accommodation chamber (113), and the insertion-mounting portion (21) is provided in the accommodation chamber (113).
3. The solenoid valve of claim 2,
the part of the insertion installation part (21) positioned in the accommodating cavity (113) is a first limiting part (211);
the limiting piece (12) is located in the accommodating cavity (113), and the limiting piece (12) is provided with a second limiting part (121) matched with the first limiting part (211).
4. The solenoid valve of claim 3,
the first limiting part (211) is a groove structure formed on the surface of the insertion mounting part (21), and the second limiting part (121) is a caliper structure matched with the groove structure.
5. The solenoid valve of claim 4,
the groove is an annular groove, and the caliper structure is an arc caliper.
6. The solenoid valve of claim 2,
the coil body (11) is provided with an inserting hole (112) communicated with the accommodating cavity (113), and the inserting installation part (21) penetrates through the inserting hole (112) and then is located in the accommodating cavity (113).
7. The solenoid valve of claim 6,
coil body (11) have a guide tube structure, the first end of guide tube structure is located coil body (11) surface, second end extend to hold in the chamber (113), the inner wall of guide tube structure forms spliced eye (112), the inner wall of spliced eye (112) forms and is used for the guide insert installation department (21) and insert the spigot surface to fixed mounting position.
8. The solenoid valve according to claim 2, characterized in that said retaining element (12) is integrally arranged in said housing cavity (113), said retaining element (12) comprising:
the connecting rod (122) is movably arranged in the accommodating cavity (113), and a first end of the connecting rod (122) is in limit fit with the insertion mounting part (21);
the utility model provides a coil former, including operating rod (123), the first end of operating rod (123) with the second end of connecting rod (122) links to each other, the second end of operating rod (123) extends to the outside of coil former (11), operating rod (123) are used for driving connecting rod (122) remove, so that connecting rod (122) is spacing fixed insert installation department (21) or with insert installation department (21) and break away from the cooperation.
9. The solenoid valve according to claim 2, characterized in that said retaining element (12) is integrally arranged in said housing cavity (113), said retaining element (12) comprising:
the connecting rod (122) is rotatably arranged in the accommodating cavity (113) through a rotating shaft, and the first end of the connecting rod (122) is in limit fit with the insertion installation part (21);
the utility model provides a coil former, including operating rod (123), the first end of operating rod (123) with the second end of connecting rod (122) links to each other, the second end of operating rod (123) extends to the outside of coil former (11), operating rod (123) are used for driving connecting rod (122) rotate, so that connecting rod (122) is spacing fixed insert installation department (21) or with insert installation department (21) and break away from the cooperation.
10. The solenoid valve according to claim 8, characterized in that said limiter (12) further comprises:
the elastic piece (125), the elastic piece (125) is arranged in the accommodating cavity (113), the elastic piece (125) is elastically connected with the operating rod (123), and the elastic piece (125) is used for resetting the operating rod (123);
under the action of external force, the operating rod (123) compresses the elastic piece (125) so that the elastic piece (125) is elastically deformed, and meanwhile, the operating rod (123) drives the connecting rod (122) to be disengaged from the insertion installation part (21);
when the operating rod (123) is subjected to external force to disappear, the elastic piece (125) pushes the operating rod (123) to reset, and meanwhile, the operating rod (123) drives the connecting rod (122) to be limited and fixed to the inserting installation part (21).
11. The solenoid valve according to claim 10, characterized in that said limiter (12) further comprises:
the limiting installation shell (124), the limiting installation shell (124) has an inner cavity, the connecting rod (122) is rotatably arranged in the inner cavity of the limiting installation shell (124), the operating rod (123) penetrates through the limiting installation shell (124), and the first end of the connecting rod (122) extends out of the limiting installation shell (124); one end of the elastic piece (125) is connected with the inner wall of the limiting installation shell (124), and the other end of the elastic piece is connected with the operating rod (123).
12. The solenoid valve of claim 2,
the limiting parts (12) are multiple, and the two limiting parts (12) are oppositely arranged on two sides of the insertion installation part (21).
13. The solenoid valve of claim 6,
the number of the limiting pieces (12) is multiple, and the limiting pieces (12) are arranged in the accommodating cavity (113) at intervals along the periphery of the inserting hole (112).
14. The solenoid valve of claim 11,
the surface of the coil body (11) is provided with an installation opening (115) communicated with the accommodating cavity (113), and the whole limiting piece (12) can be installed in the accommodating cavity (113) through the installation opening (115).
15. The solenoid valve of claim 14, further comprising:
the coil body (11) is outside, shell (114) cladding is in, shell (114) covers installing port (115), be provided with on shell (114) and be used for dodging breach (116) of action bars (123), action bars (123) pass dodge breach (116) extend to shell (114) are outside.
16. An air conditioner characterized by comprising the electromagnetic valve according to any one of claims 1 to 15.
17. A water purification system comprising a solenoid valve according to any one of claims 1 to 15.
18. An electrical appliance comprising a solenoid valve according to any one of claims 1 to 15.
CN201921053698.8U 2019-07-05 2019-07-05 Electromagnetic valve, air conditioner, water purification system and electric appliance Active CN210423906U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921053698.8U CN210423906U (en) 2019-07-05 2019-07-05 Electromagnetic valve, air conditioner, water purification system and electric appliance

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921053698.8U CN210423906U (en) 2019-07-05 2019-07-05 Electromagnetic valve, air conditioner, water purification system and electric appliance

Publications (1)

Publication Number Publication Date
CN210423906U true CN210423906U (en) 2020-04-28

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Application Number Title Priority Date Filing Date
CN201921053698.8U Active CN210423906U (en) 2019-07-05 2019-07-05 Electromagnetic valve, air conditioner, water purification system and electric appliance

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110274080A (en) * 2019-07-05 2019-09-24 珠海格力电器股份有限公司 Solenoid valve and electric appliance with clamping structure

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110274080A (en) * 2019-07-05 2019-09-24 珠海格力电器股份有限公司 Solenoid valve and electric appliance with clamping structure

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