CN207673897U - Manual water drain valve - Google Patents

Manual water drain valve Download PDF

Info

Publication number
CN207673897U
CN207673897U CN201721459139.8U CN201721459139U CN207673897U CN 207673897 U CN207673897 U CN 207673897U CN 201721459139 U CN201721459139 U CN 201721459139U CN 207673897 U CN207673897 U CN 207673897U
Authority
CN
China
Prior art keywords
check valve
valve
drainage channel
pressure exerting
exerting arrangement
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
Application number
CN201721459139.8U
Other languages
Chinese (zh)
Inventor
吴锡山
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang xierkang smart home Co.,Ltd.
Original Assignee
Quzhou Gangcheng Electrical And Mechanical Products Manufacturing Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Quzhou Gangcheng Electrical And Mechanical Products Manufacturing Co Ltd filed Critical Quzhou Gangcheng Electrical And Mechanical Products Manufacturing Co Ltd
Priority to CN201721459139.8U priority Critical patent/CN207673897U/en
Application granted granted Critical
Publication of CN207673897U publication Critical patent/CN207673897U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model is related to drainage arrangement technical field more particularly to a kind of Manual water drain valves.The utility model, including water tank, the bottom of storage tank is provided with drainage channel, check valve is equipped in drainage channel, there are one can be along the pressure exerting arrangement that drainage channel axial reciprocating moves for the check valve bottom connection, one end of the pressure exerting arrangement is pressed on the bottom surface of check valve, the other end is slidably connected with manual control mechanism, and when manual control mechanism with the perpendicular plane of the axial line of pressure exerting arrangement along being moved forward and backward, the pressure exerting arrangement can be moved forward and backward along the axial line of drainage channel.The utility model is simple in structure, easy to operate, and the cost of processing and manufacturing is relatively low, and suitable for promoting the use of a large area, and the utility model controls discharge water with mechanical structure, and after avoidable long-time use the problems such as generation leak, service life is long.

Description

Manual water drain valve
Technical field
The utility model is related to drainage arrangement technical field more particularly to a kind of Manual water drain valves.
Background technology
Nowadays, drain valve has a wide range of applications, for example, applied to being the most typically to apply it in cistern One, the drain valve used in the closestool in the prior art mostly has complicated, and leak is easy to happen after long-time use The drawbacks such as problem.
For example, Chinese invention patent discloses a kind of toilet drain valve [application number:201110309168.7], the invention packet It includes magnetic-fluid water drain valve and controller is constituted;Magnetic-fluid water drain valve is by magnetic fluid spool, valve seat, spring and electromagnetic coil structure At valve seat is equipped with the cavity that discharges water, and the cavity that discharges water is made of sealing cavity and spool movement cavity, and sealing cavity is in spool mobile model The top of chamber, sealing cavity are connected to the water inlet of valve seat, and spool movement cavity is connected to valve seat water outlet;Magnetic fluid spool Magnetic fluid is equipped in cavity, the proportion of magnetic fluid spool is smaller than the proportion of water, and it is non-close under that magnetic fluid spool is equipped with upper sealing surface Cover, upper sealing surface are located at the top in lower non-tight face;The upper sealing surface of magnetic fluid spool and the dynamic cooperation of the sealing cavity of valve seat Connection;Spring is set between magnetic fluid spool and the water outlet of valve seat;The cavity vertical direction size that discharges water is more than magnetic fluid spool Vertical direction size, to ensure that magnetic fluid spool can move down, open magnetic-fluid water drain valve;Magnetic fluid spool is set to electricity The centre of magnetic coil, controller are connect equipped with control line with electromagnetic coil.
The invention increases magnetic fluid spool and valve seat knot using the elastic force and magnetic fluid spool of spring in the buoyancy of water With joint efforts, the sealing performance of toilet drain valve is improved, but complicated still without solving, leak is easy to happen after long-time use The problem of.
Utility model content
The purpose of this utility model is in view of the above-mentioned problems, providing a kind of Manual water drain valve.
In order to achieve the above objectives, the utility model uses following technical proposal:
A kind of Manual water drain valve, including water tank, the bottom of storage tank are provided with drainage channel, are equipped in drainage channel single To valve, there are one can be along the pressure exerting arrangement that drainage channel axial reciprocating moves, the pressure for check valve bottom connection One end of mechanism is pressed on the bottom surface of check valve, and the other end is slidably connected with manual control mechanism, and works as manual control mechanism When along being moved forward and backward with the perpendicular plane of the axial line of pressure exerting arrangement, the pressure exerting arrangement can be along the axle center of drainage channel Line is moved forward and backward.
In above-mentioned Manual water drain valve, the check valve includes the check valve valve body being fixedly connected with drainage channel side With the inner elements of check valve in one-way valve body, pressure exerting arrangement is pressed on the bottom surface of inner elements of check valve, the one-way valve The one end of core far from pressure exerting arrangement is connect by one-way valve spring with one-way valve body elasticity, the side of inner elements of check valve with it is unidirectional The inner surface of valve body is tightly connected.
In above-mentioned Manual water drain valve, the inner elements of check valve includes integrally formed guide post and sealing station, pressure Mechanism is pressed on the bottom surface of sealing station, and one-way valve spring is set in guide post, is also set between sealing station and check valve valve body There is valve core seal ring.
In above-mentioned Manual water drain valve, the cross-sectional area of the sealing station is from one end of guide post is connected with to the other end It tapers into.
In above-mentioned Manual water drain valve, valve seals are equipped between the check valve valve body and drainage channel.
In above-mentioned Manual water drain valve, the pressure exerting arrangement includes mandril, and one end of the mandril is pressed on check valve Bottom surface on, the other end is slidably connected with manual control mechanism, and there is a cyclic annular convex eaves, pressure release spring to be set in top for mandril side On bar and one end is connect with cyclic annular convex eaves, and the other end is fixedly connected with drainage channel.
In above-mentioned Manual water drain valve, the mandril is equipped with the first inclined surface, hand close to one end of manual control mechanism Dynamic control mechanism is equipped with the second inclined surface, and the first inclined surface is bonded to each other with the second inclined surface.
In above-mentioned Manual water drain valve, the manual control mechanism includes the fixed sleeving being fixedly connected with tank outer wall With the slide push rod that can be relatively fixed cannula slide, described slide push rod one end is located inside fixed sleeving, and the other end extends Outside fixed sleeving, pushing block is fixedly connected by the connecting rod being arranged inside fixed sleeving with slide push rod, the second inclined surface It is arranged on pushing block, the manual control mechanism further includes the resetting-mechanism being arranged in fixed sleeving.
In above-mentioned Manual water drain valve, the resetting-mechanism includes the resetting spring being set in connecting rod and is fixed on Limiting plate on fixed sleeving inner wall, described resetting spring one end are fixedly connected with limiting plate, and the other end is pressed on slide push rod End.
Compared with prior art, the utility model has the advantage of:
1, the utility model is simple in structure, easy to operate, and the cost of processing and manufacturing is relatively low, suitable for promoting the use of a large area.
2, the utility model controls discharge water with mechanical structure and makes after avoidable long-time use the problems such as generation leak It is long with the period.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model;
Fig. 2 is the sectional view of the utility model;
Fig. 3 is the structural schematic diagram of manual control mechanism;
Fig. 4 is the structural schematic diagram of check valve;
In figure:Water tank 1, drainage channel 2, check valve 3, pressure exerting arrangement 4, manual control mechanism 5, the second inclined surface 6, list To valve body 31, inner elements of check valve 32, one-way valve spring 33, valve seals 34, mandril 41, cyclic annular convex eaves 42, pressure release spring 43, the first inclined surface 44, fixed sleeving 51, slide push rod 52, pushing block 53, connecting rod 54, resetting-mechanism 55, guide post 321, Sealing station 322, valve core seal ring 323, resetting spring 551, limiting plate 552.
Specific implementation mode
The utility model is described in more detail with reference to the accompanying drawings and detailed description.
In conjunction with shown in Fig. 1 and Fig. 2, including water tank 1,1 bottom of the water tank is provided with drainage channel 2, in drainage channel 2 Equipped with check valve 3,3 bottom of check valve connection there are one can along the pressure exerting arrangement 4 that 2 axial reciprocating of drainage channel moves, One end of the pressure exerting arrangement 4 is pressed on the bottom surface of check valve 3, and the other end is slidably connected with manual control mechanism 5, and works as When manual control mechanism 5 with the perpendicular plane of the axial line of pressure exerting arrangement 4 along being moved forward and backward, 4 energy of pressure exerting arrangement Axial line along drainage channel 2 is moved forward and backward.
The utility model, in use, pushing manual control mechanism 5 along the plane perpendicular with the axial line of pressure exerting arrangement 4 Mobile, pressure exerting arrangement 4 is moved up along the direction of axis line of drainage channel 2 at this time, to open-top check valve 3, in water tank 1 Water is discharged from drainage channel 2, simple in structure, easy to operate.
1 bottom of water tank offers drainage channel 2, and check valve 3 and pressure exerting arrangement 4 are respectively positioned in drainage channel 2, pressing machine One end of structure 4 is pressed on the bottom surface of check valve 3, and 3 salable drainage channel 2 of check valve prevents the water in water tank 1 from flowing out, when When needing draining, then pushes manual control mechanism 5 along the planar movement perpendicular with the axial line of pressure exerting arrangement 4, press at this time Mechanism 4 is moved up along the direction of axis line of drainage channel 2, and to open-top check valve 3, the water in water tank 1 is i.e. logical from draining It is discharged in road 2, it is simple in structure, easy to operate.
In conjunction with shown in Fig. 2 and Fig. 4, the check valve 3 includes the check valve valve body 31 being fixedly connected with 2 side of drainage channel With the inner elements of check valve 32 in check valve valve body 31, pressure exerting arrangement 4 is pressed on the bottom surface of inner elements of check valve 32, the list To between valve body 31 and drainage channel 2 be equipped with valve seals 34, the one end of the inner elements of check valve 32 far from pressure exerting arrangement 4 By one-way valve spring 33 and 31 elastic connection of check valve valve body, the side of inner elements of check valve 32 and the interior table of check valve valve body 31 Face is tightly connected, and the inner elements of check valve 32 includes integrally formed guide post 321 and sealing station 322, and pressure exerting arrangement 4 is pressed on On the bottom surface of sealing station 322, one-way valve spring 33 is set in guide post 321, between sealing station 322 and check valve valve body 31 also Equipped with valve core seal ring 323, the cross-sectional area of the sealing station 322 is gradual to the other end from the one end for being connected with guide post 321 Become smaller.
The check valve valve body 31 of check valve 3 is fixedly connected on drainage pipeline 2, and passes through valve seals 34 therebetween Sealing, inner elements of check valve 32 is located in check valve valve body 31, and with check valve valve body 31 by 33 elastic connection of one-way valve spring, 31 bottom of check valve valve body is cross-sectional area from one end of guide post 321 is connected with to the gradually smaller sealing station 322 of the other end, It is sealed by valve core seal ring 323 between sealing station 322 and check valve valve body 31, when needing manual drainage, pressure exerting arrangement 4 is right The bottom surface of sealing station 322 applies one and upwards pressure, and to make one-way valve spring 33 be compressed, inner elements of check valve 32 is done relatively In the upward movement of check valve valve body 31, since the cross-sectional area of sealing station 322 is from one end of guide post 321 is connected with to another One end tapers into, therefore moving upwards can cause the gap between sealing station 322 and check valve valve body 31 increasing, to reach To the effect to discharge water, after discharging water, inner elements of check valve 32 resets under the elastic force effect of one-way valve spring 33 so that sealing Platform 322 is sealed with check valve valve body 31 again.
In conjunction with shown in Fig. 2-3, the pressure exerting arrangement 4 includes mandril 41, and one end of the mandril 41 is pressed on check valve 3 On bottom surface, the other end is equipped with the first inclined surface 44, the second inclined surface 6 that the first inclined surface 44 is equipped with manual control mechanism 5 Be bonded to each other, be slidably connected, 41 side of mandril has a cyclic annular convex eaves 42, pressure release spring 43 be set on mandril 41 and one end with Cyclic annular convex eaves 42 connects, and the other end is fixedly connected with drainage channel 2, and the manual control mechanism 5 includes solid with 1 outer wall of water tank Surely the fixed sleeving 51 connected and the slide push rod 52 that can be relatively fixed the sliding of casing 51,52 one end of the slide push rod are located at solid Determine inside casing 51, the other end extends outside fixed sleeving 51, and pushing block 53 is by being arranged the connection inside fixed sleeving 51 Bar 54 is fixedly connected with slide push rod 52, and the second inclined surface 6 is arranged on pushing block 53, and the manual control mechanism 5 further includes The resetting-mechanism 55 being arranged in fixed sleeving 51, the resetting-mechanism 55 include the resetting spring being set in connecting rod 54 551 and the limiting plate 552 that is fixed on 51 inner wall of fixed sleeving, 551 one end of the resetting spring is fixed with limiting plate 552 to be connected It connects, the other end is pressed on the end of slide push rod 52.
Manual control mechanism 5 includes the fixed sleeving 51 being fixedly connected with 1 outer wall of water tank and can be relatively fixed casing 51 The slide push rod 52 of sliding, 52 one end of the slide push rod are located inside fixed sleeving 51, and the other end extends fixed sleeving 51 Outside, slide push rod 52 is located at one end inside fixed sleeving 51 and is connected with resetting spring 551, and the other end of resetting spring 551 is solid Surely be connected on the limiting plate 552 of fixed setting, pushing block 53 by the connecting rod 54 that is arranged inside fixed sleeving 51 with it is sliding Dynamic push rod 52 is fixedly connected, and pushing block 53 is equipped with the second inclined surface 6, fits with the second inclined surface 6 and what is be slidably connected is It is arranged in first inclined surface 44 of 41 one end of mandril, the other end of mandril 41 is pressed on the bottom surface of check valve 3,41 side of mandril With a cyclic annular convex eaves 42, pressure release spring 43 is set on mandril 41 and one end is connect with cyclic annular convex eaves 42, the other end and draining Channel 2 is fixedly connected, and when needing manual drainage, pushes slide push rod 52 to drive sliding shoe 53, at this time 551 quilt of resetting spring It compresses, the 44 opposite sliding of the second inclined surface 6 and the first inclined surface, the purpose that open-top check valve 3 is drained with realization upwards of mandril 41, After draining, the thrust to catch bar 52 is removed, catch bar 52 resets under the elastic force effect of resetting spring 551, drives and slides Motion block 53, to make the 44 opposite sliding of the second inclined surface 6 and the first inclined surface, mandril 41 move downward to remove to check valve 3 pressure, check valve 3 reseal drainage channel 2.
The operation principle of the utility model is:In use, pushing slide push rod 52 to drive sliding shoe 53, bullet is resetted at this time Spring 551 is compressed, and 44 opposite sliding of the second inclined surface 6 and the first inclined surface, mandril 41 upwards applies the bottom surface of sealing station 322 One upwards pressure, to make one-way valve spring 33 be compressed, inner elements of check valve 32 do relative to check valve valve body 31 to On movement, since the cross-sectional area of sealing station 322 is tapered into from the one end for being connected with guide post 321 to the other end, thus to Upper movement can cause the gap between sealing station 322 and check valve valve body 31 increasing, to achieve the effect that draining, discharge water After, the thrust to catch bar 52 is removed, catch bar 52 resets under the elastic force effect of resetting spring 551, drives sliding shoe 53, to make the 44 opposite sliding of the second inclined surface 6 and the first inclined surface, mandril 41 move downward to remove to sealing station 322 Bottom surface apply pressure, inner elements of check valve 32 one-way valve spring 33 elastic force effect under reset so that sealing station 322 is again It is sealed with check valve valve body 31, i.e., check valve 3 reseals drainage channel 2.
The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute Belonging to those skilled in the art can make various modifications or additions to the described embodiments or using similar Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.
Although water tank 1, drainage channel 2, check valve 3, pressure exerting arrangement 4, manual control mechanism is used more herein 5, the second inclined surface 6, check valve valve body 31, inner elements of check valve 32, one-way valve spring 33, valve seals 34, mandril 41, ring-type Convex eaves 42, the first inclined surface 44, fixed sleeving 51, slide push rod 52, pushing block 53, connecting rod 54, resets machine at pressure release spring 43 The terms such as structure 55, guide post 321, sealing station 322, valve core seal ring 323, resetting spring 551, limiting plate 552, but be not precluded Use the possibility of other terms.The use of these items is only for more easily describe and explain the sheet of the utility model Matter;It is contrary to the spirit of the present invention to interpret them as any one of the additional limitations.

Claims (9)

1. a kind of Manual water drain valve, it is characterised in that:Including water tank (1), water tank (1) bottom is provided with drainage channel (2), check valve (3) is equipped in drainage channel (2), there are one can be along drainage channel (2) axis for the connection of the check valve (3) bottom To the pressure exerting arrangement (4) of reciprocating movement, one end of the pressure exerting arrangement (4) is pressed on the bottom surface of check valve (3), the other end It is slidably connected with manual control mechanism (5), and when manual control mechanism (5) is along perpendicular with the axial line of pressure exerting arrangement (4) Plane be moved forward and backward when, the pressure exerting arrangement (4) can be moved forward and backward along the axial line of drainage channel (2).
2. Manual water drain valve as described in claim 1, it is characterised in that:The check valve (3) includes and drainage channel (2) side The check valve valve body (31) and the inner elements of check valve (32) in check valve valve body (31) that face is fixedly connected, pressure exerting arrangement (4) It is pressed on the bottom surface of inner elements of check valve (32), the one end of the inner elements of check valve (32) far from pressure exerting arrangement (4) passes through unidirectional Valve spring (33) and check valve valve body (31) elastic connection, the interior table of the side and check valve valve body (31) of inner elements of check valve (32) Face is tightly connected.
3. Manual water drain valve as claimed in claim 2, it is characterised in that:The inner elements of check valve (32) includes integrally formed Guide post (321) and sealing station (322), pressure exerting arrangement (4) are pressed on the bottom surface of sealing station (322), one-way valve spring (33) It is set in guide post (321), valve core seal ring (323) is additionally provided between sealing station (322) and check valve valve body (31).
4. Manual water drain valve as claimed in claim 3, it is characterised in that:The cross-sectional area of the sealing station (322) is from connection There is one end of guide post (321) to be tapered into the other end.
5. Manual water drain valve as claimed in claim 2, it is characterised in that:The check valve valve body (31) and drainage channel (2) Between be equipped with valve seals (34).
6. Manual water drain valve as described in claim 1, it is characterised in that:The pressure exerting arrangement (4) includes mandril (41), described One end of mandril (41) is pressed on the bottom surface of check valve (3), and the other end is slidably connected with manual control mechanism (5), mandril (41) side has a cyclic annular convex eaves (42), and pressure release spring (43) is set on mandril (41) and one end connects with cyclic annular convex eaves (42) It connects, the other end is fixedly connected with drainage channel (2).
7. Manual water drain valve as claimed in claim 6, it is characterised in that:The mandril (41) is close to manual control mechanism (5) One end be equipped with the first inclined surface (44), manual control mechanism (5) is equipped with the second inclined surface (6), the first inclined surface (44) and the Two inclined surface (6) are bonded to each other.
8. Manual water drain valve as claimed in claim 7, it is characterised in that:The manual control mechanism (5) includes and water tank (1) fixed sleeving (51) and the slide push rod (52) that casing (51) slides can be relatively fixed that outer wall is fixedly connected, the sliding Push rod (52) one end is located at fixed sleeving (51) inside, and the other end extends fixed sleeving (51) outside, and pushing block (53) is by setting It sets and is fixedly connected with slide push rod (52) in the internal connecting rod (54) of fixed sleeving (51), the second inclined surface (6) setting is pushing away On motion block (53), the manual control mechanism (5) further includes the resetting-mechanism (55) being arranged in fixed sleeving (51).
9. Manual water drain valve as claimed in claim 8, it is characterised in that:The resetting-mechanism (55) includes being set in connecting rod (54) resetting spring (551) on and the limiting plate (552) being fixed on fixed sleeving (51) inner wall, the resetting spring (551) one end is fixedly connected with limiting plate (552), and the other end is pressed on the end of slide push rod (52).
CN201721459139.8U 2017-11-06 2017-11-06 Manual water drain valve Active CN207673897U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721459139.8U CN207673897U (en) 2017-11-06 2017-11-06 Manual water drain valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721459139.8U CN207673897U (en) 2017-11-06 2017-11-06 Manual water drain valve

Publications (1)

Publication Number Publication Date
CN207673897U true CN207673897U (en) 2018-07-31

Family

ID=62963694

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721459139.8U Active CN207673897U (en) 2017-11-06 2017-11-06 Manual water drain valve

Country Status (1)

Country Link
CN (1) CN207673897U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113142032A (en) * 2021-03-18 2021-07-23 杭州倪柯信息技术有限公司 Afforestation device that waters
CN113508745A (en) * 2021-03-18 2021-10-19 杭州倪柯信息技术有限公司 Portable gardens device that waters

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113142032A (en) * 2021-03-18 2021-07-23 杭州倪柯信息技术有限公司 Afforestation device that waters
CN113508745A (en) * 2021-03-18 2021-10-19 杭州倪柯信息技术有限公司 Portable gardens device that waters

Similar Documents

Publication Publication Date Title
CN207673897U (en) Manual water drain valve
CN106015675A (en) One-way pressure regulating overflow valve with thrust bearing
CN204682840U (en) The airtight powder box of pump pressure type
CN201809839U (en) Pneumatic button with air replenishing structure
CN106698306B (en) A kind of wine lance
CN203078943U (en) Daily-use cosmetic packaging bottle
CN205605521U (en) Circuit breaker hydraulic pressure operating mechanism and pilot valve thereof
CN210178941U (en) Gas regulator suitable for low pressure gas pipe network
CN110185593A (en) A kind of compound new-type well pressure obtaning device
CN208535541U (en) Reciprocating pneumatic valve and the cylinder and grease pump for using the valve
CN207500544U (en) A kind of spherical shape plugging type check valve
CN202468278U (en) Desktop liquid pumping out machine
CN201634053U (en) Leak-proof sealing device
CN213627968U (en) Exhaust and pressure relief device of hydraulic diaphragm type metering pump
CN208264911U (en) A kind of encapsulating structure of Drinking water bucketr
CN202370790U (en) Piston assembly of air pump
CN210344416U (en) One-way valve element, one-way inflation valve and fracturing pipe
CN204476740U (en) A kind of reciprocating pump combination brake switch and proporting
CN209243891U (en) Variable pressure floor drain
CN217328476U (en) Pneumatic control type liquid medicine valve
CN103485994B (en) Hydraulic air-free pump
CN203516878U (en) Through flow type check valve for chlorine gas
CN107940020A (en) A kind of pneumatic diaphragm valve and the method using the pneumatic diaphragm valve trandfer fluid
CN209153304U (en) A kind of food cooking machine improving vacuum structure
CN217177535U (en) Hydraulic check valve

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CP01 Change in the name or title of a patent holder

Address after: 324000 building 4, No.10, donggangsan Road, Kecheng District, Quzhou City, Zhejiang Province

Patentee after: Zhejiang xierkang smart home Co.,Ltd.

Address before: 324000 building 4, No.10, donggangsan Road, Kecheng District, Quzhou City, Zhejiang Province

Patentee before: Zhejiang xierkang smart home Co.,Ltd.

CP01 Change in the name or title of a patent holder
CP03 Change of name, title or address

Address after: 324000 building 4, No.10, donggangsan Road, Kecheng District, Quzhou City, Zhejiang Province

Patentee after: Zhejiang xierkang smart home Co.,Ltd.

Address before: 324000 building 4, No.10, Donggang 3rd road, Quzhou City, Zhejiang Province

Patentee before: QUZHOU GANGCHENG ELECTROMECHANICAL PRODUCTS MANUFACTURING Co.,Ltd.

CP03 Change of name, title or address