CN203966971U - Liquid level control switch - Google Patents
Liquid level control switch Download PDFInfo
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- CN203966971U CN203966971U CN201420430347.5U CN201420430347U CN203966971U CN 203966971 U CN203966971 U CN 203966971U CN 201420430347 U CN201420430347 U CN 201420430347U CN 203966971 U CN203966971 U CN 203966971U
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Abstract
Liquid level control switch, belongs to liquid level sensor field.The utility model comprises pillar, magnet ring, float member, position-limit mechanism and installing mechanism, pillar inside is packaged with sensing element, position-limit mechanism comprises upper limit part and lower limit part, float member and magnet ring interfix, magnet ring is set in pillar and is limited between upper and lower spacing, is composed of induction mechanism with sensing element; Installing mechanism comprises elastic component and installed part, and installed part is fixedly arranged on post top portion, and installed part top end face is provided with the projection that surrounds pillar top, and installed part both sides are respectively equipped with draw-in groove, and a sidewall of draw-in groove is provided with at least one projection; Installed part body is provided with aligning draw-in groove and is provided with a protruding side sidewall technique perforation; Elastic component is located at the perforation inner chamber on installed part, and elastic component is provided with positioning convex, and while clamping, positioning convex elasticity is stuck in rack positioning hole, forms elasticity and fastens, and makes that positioning convex and location hole are spacing to be contacted.Solve existing liquid level control switch unstable problem is installed.
Description
Technical field
The utility model belongs to liquid level sensor field, especially relevant with liquid level control switch.
Background technology
Existing liquid level control switch is for realizing the detection of liquid level, in the fields such as household electrical appliance, automobile, application is very extensive, as fluid level control system of the automatic drain system of ceiling type or movable air conditioner, automobile etc., liquid level control switch is as a kind of liquid level Automatic Control Component, conventionally realizes the control of liquid level together with executive component (as draining pump etc.).Existing liquid level control switch generally comprises pillar, float and the magnet ring interfixing with float, in pillar, be provided with sensing element, magnet ring is set on pillar, by float band, coexist on pillar and move, sense element senses magnet ring position and realize the perception to liquid level, liquid level control switch screws mounting structure by the double nut on pillar top and is fixedly mounted on plate type support, need to be tightened by specialist tools, operation inconvenience, also easy of screwing the excessive screw thread damaging on pillar in installation process, thereby damage liquid level control switch, and support is installed on easy generation vibrations executive component, during operation, can produce vibration, easily make clamp nut loosening, cause liquid level control switch to be installed insecure.
Utility model content
The purpose of this utility model is intended to solve existing liquid level control switch installs inconvenience or unstable defect is installed, provide a kind of have fitting operation convenient, the firmly liquid level control switch of mounting structure is installed.
For this reason, the utility model is by the following technical solutions: liquid level control switch, comprise pillar, magnet ring, float member, position-limit mechanism and installing mechanism, pillar inside is packaged with sensing element, described position-limit mechanism comprises on the pillar described in being arranged at and upper limit part and the lower limit part of space certain distance, described float member and described magnet ring interfix, magnet ring is set in described pillar and is limited between described upper limit part and lower limit part, be composed of induction mechanism with described sensing element, magnet ring can be coexisted and be moved between upper limit part and lower limit part by float member band, it is characterized in that, described installing mechanism comprises installed part and elastic component, installed part is plank frame, and be fixedly installed on post top portion, installed part is provided with the projection that surrounds pillar top on the top end face with junction, pillar top, increase the bonding strength of installed part and pillar, installed part both sides are respectively arranged with the draw-in groove corresponding with support, on one sidewall of draw-in groove, be provided with at least one projection, when bracket edge is stuck in draw-in groove, by projection, with relative draw-in groove sidewall, support is carried out engaging position, while making support be installed into out draw-in groove, reduce frictional force, conveniently assemble and disassemble, the position that draw-in groove is set on described installed part body arranges the technique perforation that connects draw-in groove opposite side sidewall, and technique perforation is aimed at draw-in groove and is provided with protruding sidewall, while manufacturing for installed part injection molded, through mould, regulates draw-in groove groove width, on described installed part, be provided with at least one perforation, described elastic component is arranged at this perforation inner chamber, on elastic component, be provided with positioning convex, on described support, be provided with the location hole corresponding with described positioning convex, when the utility model is installed in support, support snaps in draw-in groove formation and closely cooperates, described positioning convex is positioned at described location hole, formation elasticity fastens, make positioning convex contact with described location hole is spacing simultaneously, while making installed part be installed on described support, realize the positioning action of all directions, realize firmly and installing.
As to technique scheme supplement and perfect, the utility model also comprises following technical characterictic.
Described elastic component and described installed part are one-body molded, and the relative backing thickness of elastic component thickness is thinner, described elastic component comprises stiff end and movable end, stiff end is connected on described perforation internal chamber wall, movable end is overhung in described perforation inner chamber, described positioning convex is arranged at the movable end of described elastic component, makes the positioning convex within the specific limits can elasticity activity.
Described positioning convex is bar shape, and the top of positioning convex is provided with inclined-plane, when installed part is installed on support, facilitates positioning convex to snap in the location hole on described support.
The part outer peripheral face on described pillar top is arranged in described perforation inner chamber, between the outer peripheral face of pillar and described perforation internal chamber wall, by arc surface, is connected, and has increased the degree of being connected firmly of pillar and installed part and resistance to shock in use.
Described float member comprises magnet ring installation portion and float portion, in boom shaft, to the relative position of upper magnetic ring installation portion and float portion, fixes.
Further, described float portion is provided with central through hole, float portion is set on described pillar and is limited in described upper limit part and lower limit part, described magnet ring installation portion is arranged on the central through hole hole wall of float portion, described magnet ring is flush-mounted in described magnet ring installation portion, make this central through hole described magnet ring center of boring a hole, described upper limit part is back-up ring, integrally formed with described pillar, described lower limit part is jump ring, described pillar bottom is provided with the draw-in groove corresponding with jump ring, jump ring is installed in this draw-in groove, float portion can move up and down with height of liquid level between upper limit part and lower limit part, drive magnet ring to coordinate with described sensing element, complete switch motion.
Further; described float portion is connected by a strutting piece with magnet ring installation portion; described strutting piece is provided with central through hole; strutting piece top is set on described pillar, and described magnet ring installation portion is arranged at described strutting piece top, and magnet ring is set in described magnet ring installation portion; magnet ring outside is set with protection spacer; magnet ring is played a protective role, and magnet ring coordinates with the sensing element in described pillar, and described float portion is arranged at described strutting piece bottom.
Described upper limit part is back-up ring, integrally formed with described pillar, described lower limit part is gag lever post, described pillar bottom is provided with the radial perforation corresponding with this gag lever post, and described strutting piece bottom is provided with radially through hole, and gag lever post is through this through hole being threaded onto in described radial perforation radially simultaneously, make magnet ring and magnet ring installation position between described back-up ring and gag lever post, float portion moves up and down with height of liquid level, drives magnet ring to coordinate with described sensing element, completes switch motion.
The draw-in groove notch of described installed part both sides is relative, and when installed part is installed on support, this draw-in groove is located up and down to support, and the distance between two side bayonet slots is corresponding with described support outside width, and described draw-in groove carries out located lateral to support.
The draw-in groove notch of described installed part both sides is opposing, and when installed part is installed on support, this draw-in groove is located up and down to support, and the distance between two side bayonet slots is corresponding with described rack groove width, and described draw-in groove carries out located lateral to support.
The utility model can reach following beneficial effect: 1, by installed part draw-in groove card pushing type mounting structure, by elastic component and support, carrying out elasticity with support installation is fastened, realization is spacing fixing to support all directions, does not need to use other professional tools, simple to operation; 2, by many projections are set in draw-in groove, while making support be installed into out draw-in groove, reduce frictional force, conveniently assemble and disassemble; 3, by adopting arc surface one to be connected at pillar with the junction of installed part, and on the top end face of installed part and junction, pillar top, projection is set, increase the bonding strength of installed part and pillar, liquid level control switch and support have been installed more firm, increased useful life.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation.
Fig. 2 is that Fig. 1 is along described pillar center longitudinal profile schematic diagram.
Fig. 3 is a place enlarged diagram in Fig. 1.
Fig. 4 is another direction schematic diagram of the utility model.
Fig. 5 is b place enlarged diagram in Fig. 4.
Fig. 6 is that Fig. 1 is along described pillar central cross generalized section.
Fig. 7 is the structural representation of execution mode two.
Fig. 8 is the opposing schematic diagram of draw-in groove notch on installed part in the utility model.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail.
Execution mode one,
As shown in Fig. 1 ~ Fig. 6, the utility model comprises pillar 3, magnet ring 10, float member, position-limit mechanism and installing mechanism, pillar 3 inside are packaged with sensing element 9, described position-limit mechanism comprises and being arranged on pillar 3 and upper limit part and the lower limit part of space certain distance, upper limit part is back-up ring 4, integrally formed with pillar 3, lower limit part is jump ring 6, pillar 3 bottoms are provided with the draw-in groove corresponding with jump ring 6, jump ring 6 is installed in this draw-in groove, described float member comprises magnet ring installation portion and float portion 5, relative position in the axial upper magnetic ring installation portion of pillar 3 and float portion 5 is fixed, float portion 5 is provided with central through hole, float portion 5 be set on pillar 3 and be limited in back-up ring 4 and jump ring 6 between, described magnet ring installation portion is arranged on the central through hole hole wall of float portion 5, magnet ring 10 is flush-mounted in described magnet ring installation portion, make this central through hole described magnet ring 10 centers of boring a hole, magnet ring 10 is composed of induction mechanism with sensing element 9, float portion 5 can move up and down with height of liquid level between upper limit part and lower limit part, drive magnet ring 10 to coordinate with described sensing element 9, complete switch motion, described installing mechanism comprises integrally formed installed part 1 and elastic component 2, installed part 1 is plank frame, and be fixedly installed on pillar 3 tops, installed part 1 is provided with the projection 13 that surrounds pillar 3 tops on the top end face with pillar 3 junctions, top, the part outer peripheral face on pillar 3 tops is arranged in described perforation inner chamber, between the outer peripheral face of pillar 3 and described perforation internal chamber wall, by arc surface 14, be connected, pillar 3 and the degree of being connected firmly of installed part 1 and resistance to shock have in use been increased, installed part 1 both sides are respectively arranged with the draw-in groove corresponding with support 8, the draw-in groove notch of both sides is oppositely arranged, distance between two side bayonet slots is corresponding with support 8 outside widths, on one sidewall of each draw-in groove, be provided with three projections 12 that keep at a certain distance away, when installed part 1 is installed on support 8, by projection 12, with relative draw-in groove sidewall, support 8 is carried out engaging position, while making support 8 be installed into out draw-in groove, reduce frictional force, conveniently assemble and disassemble, the position that draw-in groove is set on described installed part 1 body arranges the technique perforation 7 that connects draw-in groove opposite side sidewall, and technique perforation 7 is aimed at draw-in groove and is provided with protruding sidewall, while manufacturing for installed part 1 injection molded, through mould, regulates draw-in groove groove width, on described installed part 1, be provided with a perforation, described elastic component 2 is arranged at this perforation inner chamber, described elastic component 2 comprises stiff end and movable end, stiff end is connected on described perforation internal chamber wall, movable end is overhung in described perforation inner chamber, movable end bottom end face is provided with downward bar shape positioning convex 11, the end of positioning convex 11 is provided with inclined-plane, facilitate positioning convex 11 to snap in the location hole on support 8, relative support 8 thinner thicknesses of elastic component 2 thickness, make positioning convex 11 easily realize within the specific limits elasticity activity, on support 8, be provided with the location hole corresponding with described positioning convex 11, when the utility model is installed in support 8, support 8 snaps in draw-in groove formation and closely cooperates, described positioning convex 11 is positioned at described location hole, formation elasticity fastens, make positioning convex 11 contact with described location hole is spacing simultaneously, while making installed part 1 be installed on support 8, realize the positioning action of all directions, realize firm installation.
Embodiment two,
As shown in Figure 7, the utility model comprises pillar 3, magnet ring 10, float member, position-limit mechanism and installing mechanism, pillar 3 inside are packaged with sensing element 9, described position-limit mechanism comprises on the pillar 3 described in being arranged at and upper limit part and the lower limit part of space certain distance, described upper limit part is back-up ring 4, integrally formed with described pillar 3, described lower limit part is metal spacing bar 17, described pillar 3 bottoms are provided with the radial perforation corresponding with this gag lever post 17, described float member comprises magnet ring installation portion and float portion 5, float portion 5 is connected by a strutting piece 15 with magnet ring installation portion, described strutting piece 15 is provided with central through hole, strutting piece 15 tops are set on described pillar 3, described magnet ring installation portion is arranged at described strutting piece 15 tops, magnet ring 10 is set in described magnet ring installation portion, magnet ring 10 outsides are set with protection spacer, magnet ring 10 is played a protective role, magnet ring 10 coordinates with the sensing element 9 in described pillar 3, described float portion 5 is arranged at described strutting piece 15 bottoms, described strutting piece 15 bottoms are provided with radially through hole, metal spacing bar 17 is through this through hole being threaded onto in described radial perforation radially simultaneously, make magnet ring 10 and magnet ring installation position between described back-up ring 4 and gag lever post 17, float portion 5 moves up and down with height of liquid level, drive magnet ring 10 to coordinate with described sensing element 9, complete switch motion, described installing mechanism comprises integrally formed installed part 1 and elastic component 2, installed part 1 is plank frame, and be fixedly installed on pillar 3 tops, installed part 1 is provided with the projection 13 that surrounds pillar 3 tops on the top end face with pillar 3 junctions, top, the part outer peripheral face on pillar 3 tops is arranged in described perforation inner chamber, between the outer peripheral face of pillar 3 and described perforation internal chamber wall, by arc surface 14, be connected, pillar 3 and the degree of being connected firmly of installed part 1 and resistance to shock have in use been increased, installed part 1 both sides are respectively arranged with the draw-in groove corresponding with support 8, the draw-in groove notch of both sides is oppositely arranged, distance between two side bayonet slots is corresponding with support 8 outside widths, on one sidewall of each draw-in groove, be provided with three projections 12 that keep at a certain distance away, when installed part 1 is installed on support 8, by projection 12, with relative draw-in groove sidewall, support 8 is carried out engaging position, while making support 8 be installed into out draw-in groove, reduce frictional force, conveniently assemble and disassemble, the position that draw-in groove is set on described installed part 1 body arranges the technique perforation 7 that connects draw-in groove opposite side sidewall, and technique perforation 7 is aimed at draw-in groove and is provided with protruding sidewall, while manufacturing for installed part 1 injection molded, through mould, regulates draw-in groove groove width, on described installed part 1, be provided with a perforation, described elastic component 2 is arranged at this perforation inner chamber, described elastic component 2 comprises stiff end and movable end, stiff end is connected on described perforation internal chamber wall, movable end is overhung in described perforation inner chamber, movable end bottom end face is provided with downward bar shape positioning convex 11, the end of positioning convex 11 is provided with inclined-plane, facilitate positioning convex 11 to snap in the location hole on support 8, relative support 8 thinner thicknesses of elastic component 2 thickness, make positioning convex 11 easily realize within the specific limits elasticity activity, on support 8, be provided with the location hole corresponding with described positioning convex 11, when the utility model is installed in support 8, support 8 snaps in draw-in groove formation and closely cooperates, described positioning convex 11 is positioned at described location hole, formation elasticity fastens, make positioning convex 11 contact with described location hole is spacing simultaneously, while making installed part 1 be installed on support 8, realize the positioning action of all directions, realize firm installation.
As shown in Figure 8, in above-mentioned execution mode one and execution mode two, the opposing setting of draw-in groove notch of described installed part 1 both sides, when installed part 1 is installed on support 8, this draw-in groove is located up and down to support 8, distance between two side bayonet slots is corresponding with support 8 recess width, and described draw-in groove carries out located lateral to support 8.
Claims (10)
1. liquid level control switch, comprise pillar (3), magnet ring (10), float member, position-limit mechanism and installing mechanism, pillar (3) inside is packaged with sensing element (9), described position-limit mechanism comprises the pillar (3) described in being arranged at upper also upper limit part and the lower limit part of space certain distance, described float member and described magnet ring (10) interfix, magnet ring (10) is set in described pillar (3) and is limited between described upper limit part and lower limit part, is composed of induction mechanism with described sensing element (9); It is characterized in that: described installing mechanism comprises installed part (1) and elastic component (2), installed part (1) is plank frame, and be fixedly installed on pillar (3) top, installed part (1) is provided with the projection (13) that surrounds pillar (3) top on the top end face with pillar (3) junction, top, installed part (1) both sides are respectively arranged with the draw-in groove corresponding with support (8), are provided with at least one projection (12) on a sidewall of draw-in groove; The position that draw-in groove is set on described installed part (1) body arranges the technique perforation (7) that connects draw-in groove opposite side sidewall, and the side sidewall that draw-in groove is provided with projection (12) is aimed in technique perforation (7); Described installed part is provided with at least one perforation on (1), elastic component (2) is arranged at this perforation inner chamber, on elastic component (2), be provided with positioning convex (11), on support (8), be provided with the location hole corresponding with described positioning convex (11), when the utility model is installed in support (8), support (8) snaps in draw-in groove formation and closely cooperates, described positioning convex (11) is positioned at described location hole, formation elasticity fastens, and makes positioning convex (11) contact with described location hole is spacing simultaneously.
2. liquid level control switch according to claim 1, it is characterized in that: described elastic component (2) is one-body molded with described installed part (1), and the relative support of elastic component (2) thickness (8) thinner thickness, described elastic component (2) comprises stiff end and movable end, stiff end is connected on described perforation internal chamber wall, movable end is overhung in described perforation inner chamber, and described positioning convex (11) is arranged at the movable end of described elastic component (2).
3. liquid level control switch according to claim 2, is characterized in that: described positioning convex (11) is bar shape, and the end of positioning convex (11) is provided with inclined-plane.
4. liquid level control switch according to claim 3, is characterized in that: the part outer peripheral face on described pillar (3) top is arranged in described perforation inner chamber, between the outer peripheral face of pillar (3) and described perforation internal chamber wall, by arc surface (14), is connected.
5. liquid level control switch according to claim 4, is characterized in that: described float member comprises magnet ring installation portion and float portion (5), at the relative position of the axial upper magnetic ring installation portion of pillar (3) and float portion (5), fixes.
6. liquid level control switch according to claim 5, it is characterized in that: described float portion (5) is provided with central through hole, float portion (5) is set in described pillar (3) and goes up and be limited in described upper limit part and lower limit part, described magnet ring installation portion is arranged on the central through hole hole wall of float portion (5), described magnet ring (10) is flush-mounted in described magnet ring installation portion, make this central through hole described magnet ring (10) center of boring a hole, described upper limit part is back-up ring (4), integrally formed with described pillar (3), described lower limit part is jump ring (6), described pillar (3) bottom is provided with the draw-in groove corresponding with jump ring (6), jump ring (6) is installed in this draw-in groove.
7. liquid level control switch according to claim 4, it is characterized in that: described float portion (5) is connected by a strutting piece (15) with magnet ring installation portion, described strutting piece (15) is provided with central through hole, strutting piece (15) top is set on described pillar (3), described magnet ring installation portion is arranged at described strutting piece (15) top, magnet ring (10) is set in described magnet ring installation portion, magnet ring (10) outside is set with protection spacer, magnet ring (10) sensing element (9) interior with described pillar (3) coordinates, described float portion (5) is arranged at described strutting piece (15) bottom.
8. liquid level control switch according to claim 7, it is characterized in that: described upper limit part is back-up ring (4), integrally formed with described pillar (3), described lower limit part is gag lever post (17), described pillar (3) bottom is provided with the radial perforation corresponding with this gag lever post (17), described strutting piece (15) bottom is provided with radially through hole, gag lever post (17), through this through hole being threaded onto in described radial perforation radially simultaneously, makes magnet ring (10) and magnet ring installation position between described back-up ring (4) and gag lever post (17).
9. according to the liquid level control switch described in claim 6 or 8, it is characterized in that: the draw-in groove notch of described installed part (1) both sides is relative, the distance between two side bayonet slots is corresponding with support (8) outside width.
10. according to the liquid level control switch described in claim 6 or 8, it is characterized in that: the draw-in groove notch of described installed part (1) both sides is opposing, the distance between two side bayonet slots is corresponding with support (8) recess width.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420430347.5U CN203966971U (en) | 2014-07-31 | 2014-07-31 | Liquid level control switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420430347.5U CN203966971U (en) | 2014-07-31 | 2014-07-31 | Liquid level control switch |
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| Publication Number | Publication Date |
|---|---|
| CN203966971U true CN203966971U (en) | 2014-11-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420430347.5U Active CN203966971U (en) | 2014-07-31 | 2014-07-31 | Liquid level control switch |
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| CN (1) | CN203966971U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104715968A (en) * | 2015-03-26 | 2015-06-17 | 青岛海信日立空调系统有限公司 | Liquid level switch assembly |
| CN105679599A (en) * | 2016-01-12 | 2016-06-15 | 佛山市溢釜科技有限公司 | Position detection magnetic sensor for automatic control |
| CN106013195A (en) * | 2016-06-15 | 2016-10-12 | 中国十七冶集团有限公司 | Well point canal de-watering control system |
| CN106400437A (en) * | 2016-09-30 | 2017-02-15 | 广东美的环境电器制造有限公司 | Garment steamer and control method of garment steamer |
| CN106439765A (en) * | 2016-09-30 | 2017-02-22 | 广东美的环境电器制造有限公司 | Steam generator, hanging iron and control method of steam generator |
-
2014
- 2014-07-31 CN CN201420430347.5U patent/CN203966971U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104715968A (en) * | 2015-03-26 | 2015-06-17 | 青岛海信日立空调系统有限公司 | Liquid level switch assembly |
| CN104715968B (en) * | 2015-03-26 | 2017-02-01 | 青岛海信日立空调系统有限公司 | Liquid level switch assembly |
| CN105679599A (en) * | 2016-01-12 | 2016-06-15 | 佛山市溢釜科技有限公司 | Position detection magnetic sensor for automatic control |
| CN105679599B (en) * | 2016-01-12 | 2017-10-24 | 佛山市溢釜科技有限公司 | A kind of position detecting Magnetic Sensor for automatically controlling |
| CN106013195A (en) * | 2016-06-15 | 2016-10-12 | 中国十七冶集团有限公司 | Well point canal de-watering control system |
| CN106400437A (en) * | 2016-09-30 | 2017-02-15 | 广东美的环境电器制造有限公司 | Garment steamer and control method of garment steamer |
| CN106439765A (en) * | 2016-09-30 | 2017-02-22 | 广东美的环境电器制造有限公司 | Steam generator, hanging iron and control method of steam generator |
| CN106400437B (en) * | 2016-09-30 | 2019-02-19 | 广东美的环境电器制造有限公司 | Garment Steamer Machine and Garment Steamer Machine control method |
| CN106439765B (en) * | 2016-09-30 | 2020-07-28 | 广东美的环境电器制造有限公司 | Steam generator, garment steamer and control method of steam generator |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 312500 Xinchang City, Shaoxing Province Ling Ling Road, No. 1, building 1, No. Patentee after: Zhejiang Fuji Seiko technology Co., Ltd. Address before: 312500 Zhejiang, Shaoxing, Xinchang County, Nanming street, North South Road, No. 116 Patentee before: Xinchang Ciunty Fuji Fine Technology Co., Ltd. |