CN209733510U - Power supply base of liquid heater - Google Patents
Power supply base of liquid heater Download PDFInfo
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- CN209733510U CN209733510U CN201822040418.1U CN201822040418U CN209733510U CN 209733510 U CN209733510 U CN 209733510U CN 201822040418 U CN201822040418 U CN 201822040418U CN 209733510 U CN209733510 U CN 209733510U
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Abstract
The utility model relates to a domestic appliance especially relates to a liquid heater's power base. The panel and the bottom shell jointly enclose an installation cavity, the panel and the bottom shell further comprise an upper connecting piece and a lower connecting piece, an installation hole is formed in the panel, the connector is arranged at the installation hole, a positioning hole is formed in the upper connecting piece, the upper portion of the connector penetrates through the positioning hole, a step of the connector abuts against the upper connecting piece, a drain hole is formed in the bottom surface of the lower connecting piece, a drainage step is arranged around the drain hole, the edge of the lower end face of the connector abuts against the plane of the drainage step, and the upper connecting piece is connected with the lower connecting piece so as to clamp the panel between the edge of the upper connecting piece and the edge of the lower connecting piece. The utility model provides an go up the connecting piece and as the installation accessory with lower connecting piece, can make the connector stabilize and fixing on the panel, compact structure, space utilization is high, and application scope is wide and drainage effect is good.
Description
Technical Field
The utility model relates to a domestic appliance especially relates to a liquid heater's power base.
Background
Liquid heaters such as health preserving kettles, boiling water boilers, electric kettles and the like all comprise an electric heating kettle body and a base, a connector is arranged on the base, and the electric heating kettle body is arranged on the base and is in contact with the connector to be electrified to heat liquid.
Wherein the connector is used sealed gluey when fixed on the base, also useful buckle, also has to set up muscle position fixed. For example, a fixing mode of a connector is disclosed in a Chinese patent 'base and electric heating device' with an authorization publication number of CN 205107388U, the connector is directly connected with a bottom shell through a support, the fixing mode of the connector occupies a large space, arrangement and installation of a circuit board and other components in the base are influenced, and design difficulty of the base is increased; for example, chinese patent "a liquid heater" with an authorization publication number of CN 206163871U discloses another fixing manner of a connector, in which the connector is clamped on a base by a connecting piece, but this fixing manner has a high requirement for the connector, and a protruding rib extending outward is required on the connector, and the connector without the protruding rib cannot be mounted, so that the application range is limited. In addition, most of the existing connectors are directly fixed in a mode of supporting the lower plane of the connector, so that water drainage at the connector is not smooth, and potential safety hazards are caused.
SUMMERY OF THE UTILITY MODEL
Based on the circumstances, the utility model provides a liquid heater's power base provides last connecting piece and lower connecting piece as the installation accessory, can make the connector stabilize and fixing on the panel, compact structure, and space utilization is high, and application scope is wide, and the drainage of connector department is unobstructed, eliminates the potential safety hazard.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
A power base of a liquid heater comprises a panel, a bottom shell and a connector, wherein the panel and the bottom shell jointly enclose an installation cavity, the power base further comprises an upper connecting piece located above the panel and a lower connecting piece located in the installation cavity, an installation hole is formed in the panel, the connector is arranged at the installation hole, a positioning hole is formed in the upper connecting piece, the upper portion of the connector penetrates through the positioning hole, a step of the connector abuts against the upper connecting piece, a drain hole is formed in the bottom surface of the lower connecting piece, a drainage step is arranged around the drain hole, the edge of the lower end face of the connector abuts against the plane of the drainage step, and the upper connecting piece is connected with the lower connecting piece so as to clamp the panel between the edge of the upper connecting piece and the edge of the lower connecting piece.
The connector penetrates through the positioning hole from bottom to top, so that the upper part of the connector protrudes out of the upper connecting piece, the upper part of the connector is used for being in contact with and electrified with the electric heating kettle body, the upper connecting piece is positioned in the mounting hole, the upper connecting piece is positioned at the upper end of the panel, the lower connecting piece extends into the mounting hole from the lower end side of the panel and is connected and fixed with the upper connecting piece, the panel is clamped between the upper connecting piece and the lower connecting piece at the moment, the lower part of the connector is limited between the upper connecting piece and the lower connecting piece, the upper connecting piece and the lower connecting piece are respectively attached to the upper end and the lower end of the panel, the space occupied by the mounting cavity when the connector is fixed is small, the circuit board and other components can be conveniently arranged and mounted, the structure is compact, the space utilization rate is high, meanwhile, the connector can be fixed on the panel, in addition, only the edge of the lower end face of the connector is supported on the drainage ladder, the contact area is small, water is not accumulated on the lower end face of the connector easily, water can be directly drained from the drainage hole, and drainage is smooth.
Preferably, the side wall of the drain hole extends downwards to form a drain channel, the bottom surface of the lower connecting piece and the drain channel are in round corner transition, the drain channel protrudes out of the bottom surface of the lower connecting piece, a drain outlet for inserting the drain channel is formed in the bottom shell, and the drain channel is inserted into the drain outlet. The fillet transition has good water guiding effect, and the drainage channel is inserted into the water outlet, and the water is introduced into the water outlet in time and then is discharged out of the base.
Preferably, a positioning ring is arranged at the edge of the outer ring of the drainage step, and the lower part of the connector is positioned in the positioning ring. The positioning ring is used for positioning the lower part of the connector, so that the connector is stable in position on the lower connecting piece.
Preferably, a wiring groove is formed in the lower connecting piece at a position corresponding to a wiring terminal of the connector, and the wiring groove extends from the edge of the lower connecting piece to the bottom surface of the lower connecting piece. The wiring groove enables water energy on the wiring terminal to be directly discharged downwards, drainage is smoother, the wiring terminal of the connector is easier to plug, labor cost is reduced, and assembly efficiency is improved.
Preferably, the upper connecting piece is provided with an upper half retaining ring extending downwards at a position close to the positioning hole, the lower connecting piece is provided with a lower half retaining ring extending upwards, and the upper half retaining ring and the lower half retaining ring together surround the lower part of the connector. The upper half retainer ring and the lower half retainer ring surround the periphery of the lower part of the connector, so that the connector cannot be displaced left and right after being mounted on a panel.
preferably, a wiring convex rib extending outwards is arranged at the wiring terminal of the connector, a yielding groove is formed in the position, corresponding to the wiring convex rib, of the upper half retaining ring, and the wiring convex rib is located in the yielding groove. The convex rib of working a telephone switchboard protects the terminal of working a telephone switchboard, prevent that water from directly dripping on binding post, also can prevent that the connector from when fixed, damaging binding post, set up the groove of stepping down correspondingly and stepping down the convex rib of working a telephone switchboard on the last retaining ring, prevent that the convex rib of working a telephone switchboard from interfering with last retaining ring.
Preferably, the outer side surface of the lower half retainer ring is a plane, and the inner side surface of the lower half retainer ring is provided with a section of arc surface matched with the outer side wall of the connector. The lateral surface of the lower half check ring is the plane and facilitates the installation and positioning of the lower connecting piece and the circuit board support, the distance between the connector and the circuit board is smaller, the internal structure is more compact, meanwhile, the lower half check ring has a larger gap with the side surface of the connector except for the cambered surface, the side water flow is smooth, a water film cannot be formed, and the short circuit cannot be conducted through liquid between the wiring terminals.
Preferably, the edge of the upper connecting piece is provided with an upper positioning bulge extending downwards, the upper positioning bulge extends into the mounting hole from top to bottom, the edge of the lower connecting piece is provided with a lower positioning bulge extending upwards, and the lower positioning bulge extends into the mounting hole from bottom to top. When the upper connecting piece (lower connecting piece) is placed in the mounting hole, the upper positioning protrusion (lower positioning protrusion) is attached to the inner wall of the mounting hole, so that the upper connecting piece (lower connecting piece) is positioned, and the upper connecting piece (lower connecting piece) can be limited to move in the mounting hole.
Preferably, the upper connecting piece is provided with a screw column extending downwards, a screw positioning hole is formed in the position, corresponding to the screw column, of the lower connecting piece, and the screw penetrates through the screw positioning hole to be connected with the screw column. The upper connecting piece and the lower connecting piece are firmly connected through screws.
Preferably, a sealing ring is arranged between the upper connecting piece and the panel, and an annular clamping groove with an opening at the lower end face of the upper connecting piece is arranged at the edge of the upper connecting piece and used for installing the sealing ring. The ring-shaped clamping groove is used for positioning a sealing ring, and the sealing ring is used for preventing water from entering the base from a gap between the upper connecting piece and the panel.
The utility model has the advantages that: the upper connecting piece and the lower connecting piece are respectively attached to the upper end and the lower end of the panel, the connector occupies small space of the installation cavity when being fixed, the structure is compact, the space utilization rate is high, meanwhile, the connector can be fixed on the panel without arranging a convex rib through the matching of the upper connecting piece and the lower connecting piece, the application range is wide, the lower end face of the connector is only provided with an edge to be supported on the drainage ladder, the contact area is small, the lower end face of the connector is not easy to accumulate water, and water can be directly discharged from the drainage hole to drain water; the fillet transition has good flow guiding effect on water, the drainage channel is inserted into the drainage port, and the water is timely introduced into the drainage port and then is discharged out of the base; the wiring groove enables water on the wiring terminal to be directly discharged downwards, so that water drainage is smoother, the wiring terminal of the connector is easier to plug, the labor cost is reduced, and the assembly efficiency is improved; the outer side surface of the lower half check ring is a plane, so that the lower connecting piece and the circuit board support can be conveniently installed and positioned, the distance between the connector and the circuit board is smaller, the internal structure is more compact, meanwhile, the lower half check ring except for the cambered surface has a larger gap with the side surface of the connector, so that the side water flow is smooth, a water film cannot be formed, and the short circuit between the wiring terminals cannot be conducted through liquid; the sealing ring is used for preventing water from entering the base from a gap between the upper connecting piece and the panel.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the following drawings without inventive work.
FIG. 1 is a schematic structural view of example 1;
FIG. 2 is an assembly view of embodiment 1;
FIG. 3 is a schematic view showing the structure of a lower connecting member in embodiment 1;
FIG. 4 is a schematic view showing the structure of an upper connecting member in embodiment 2;
FIG. 5 is a schematic view showing the structure of a lower connecting member in embodiment 2;
FIG. 6 is a partial assembly view of embodiment 2;
Fig. 7 is a schematic structural view of the connector in embodiment 2.
reference numerals: the water drainage structure comprises a panel 1, a mounting hole 11, a bottom shell 2, a water drainage opening 21, a connector 3, a wiring convex rib 31, an upper connecting piece 4, a positioning hole 41, an upper half retainer ring 42, a yielding groove 43, an upper positioning protrusion 44, a screw column 45, a lower connecting piece 5, a water drainage hole 51, a drainage ladder 52, a drainage channel 53, a positioning ring 54, a lower half retainer ring 55, a wiring groove 56, a lower positioning protrusion 57, a screw positioning hole 58, a sealing ring 6, a circuit board support 7 and a circuit board 8.
Detailed Description
in the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The following describes a base for a liquid heater according to an embodiment of the present invention with reference to the accompanying drawings, wherein the liquid heater specifically refers to an electric kettle, a health preserving kettle or a water boiling pot and other similar appliances, and the common feature of the base is that a connector is arranged on the base for contacting with an electric heating kettle body to energize the electric heating kettle to heat liquid.
Example 1: as shown in figures 1 to 3 of the drawings,
The utility model provides a liquid heater's power base, including panel 1, drain pan 2 and connector 3, panel 1 encloses into the installation cavity with drain pan 2 jointly, still include the last connecting piece 4 that is located panel 1 top and be located the lower connecting piece 5 of installation cavity, be equipped with mounting hole 11 on the panel 1, connector 3 establishes in mounting hole 11 department, be equipped with locating hole 41 on last connecting piece 4, the upper portion of connector 3 passes locating hole 41, the step of connector 3 supports and holds on last connecting piece 4, be equipped with wash port 51 on the bottom surface of lower connecting piece 5, be equipped with drainage ladder 52 around wash port 51, the edge of connector 3 lower extreme face supports and holds on the plane of drainage ladder 52, go up connecting piece 4 and be connected with lower connecting piece 5 to with panel 1 centre gripping between the edge of last connecting piece 4 and the edge of lower connecting piece 5.
the panel 1 can be made of glass or plastic, a mounting hole 11 is formed in the panel 1, the diameter of the mounting hole 11 is larger than the diameter of the outermost periphery of the connector 3, the connector 3 can be placed into a mounting cavity from the mounting hole 11 without any obstacle, the front surface of the panel 1 is printed with patterns or function icons, the back surface of the panel 1 is connected with a circuit board support 7, the circuit board support 7 is used for mounting a circuit board 8, the connector 3 penetrates through a positioning hole 41 from bottom to top, the upper part of the connector 3 protrudes out of an upper connecting piece 4, the step of the connector 3 is supported on the upper connecting piece 4, the upper part of the connector 3 is used for being in contact with an electric heating kettle body to be electrified, the upper connecting piece 4 and the connector 3 are positioned in the mounting hole 11 together, the lower connecting piece 5 extends into the mounting hole 11 from the lower end side of the panel 1, the lower connecting piece 5 and the upper connecting piece 4 are connected and fixed by a fastener, the edge plane of the, edge plane of lower connecting piece 5 and the lower terminal surface of panel 1 closely laminate, panel 1 is held between last connecting piece 4 and lower connecting piece 5 this moment, the lower part of connector 3 is injectd between last connecting piece 4 and lower connecting piece 5 simultaneously, the space that occupies the installation cavity when connector 3 is fixed is little, moreover, the steam generator is compact in structure, high space utilization, make things convenient for circuit board 8, circuit board support 7 and other components and parts arrange and install, simultaneously through last connecting piece 4 and lower connecting piece 5 cooperation, make connector 3 need not to set up protruding muscle also can be fixed to panel 1 on, application scope is wide, this outer connector 3's lower terminal surface only has the edge department to support on drainage ladder 52, area of contact is little, the difficult ponding of lower terminal surface of connector 3, water can directly be followed wash port 51 and is located the discharge, the drainage is unobstructed.
Specifically, the side wall of the drainage hole 51 extends downward to form a drainage channel 53, the bottom surface of the lower connector 5 and the drainage channel 53 are in round transition, the drainage channel 53 protrudes out of the bottom surface of the lower connector 5, the bottom case 2 is provided with a drainage port 21 for inserting the drainage channel 53, and the drainage channel 53 is inserted into the drainage port 21. The rounded transition has a good flow guiding effect on water, and the water drainage channel 53 is inserted into the water outlet 21, so that the water is timely introduced into the water outlet 21 and then discharged out of the base.
Specifically, a positioning ring 54 is provided at the outer circumferential edge of the drain step 52, and the lower portion of the connector 3 is seated in the positioning ring 54. The positioning ring 54 serves to position the lower portion of the connector 3, stabilizing the position of the connector 3 on the lower connecting member 5.
specifically, be equipped with sealing washer 6 between upper connecting piece 4 and the panel 1, the edge of upper connecting piece 4 is equipped with the ring groove of opening terminal surface under upper connecting piece 4 for installation sealing washer 6. The ring-shaped clamping groove is used for positioning and installing a sealing ring 6, and the sealing ring 6 can prevent water from entering the base from a gap between the upper connecting piece 4 and the panel 1 so as to prevent further damage to other components such as an internal circuit board.
Example 2: based on the structure of embodiment 1 described above, as shown in fig. 4 to 7,
the upper connecting piece 4 is provided with an upper half retaining ring 42 extending downwards at a position close to the positioning hole 41, the lower connecting piece 5 is provided with a lower half retaining ring 55 extending upwards, and the upper half retaining ring 42 and the lower half retaining ring 55 together surround the lower part of the connector 3. The upper retainer half 42 and the lower retainer half 55 surround the periphery of the lower portion of the connector 3, so that the connector 3 cannot be displaced left and right after being mounted on the panel 1.
specifically, a wiring convex rib 31 extending outwards is arranged at the wiring terminal of the connector 3, a yielding groove 43 is arranged at a position corresponding to the wiring convex rib 31 on the upper half retainer ring 42, and the wiring convex rib 31 is positioned in the yielding groove 43. The lower connecting piece 5 is provided with a wiring groove 56 at a position corresponding to the wiring terminal of the connector 3, and the wiring groove 56 extends from the edge of the lower connecting piece 5 to the bottom surface of the lower connecting piece 5. The wiring convex rib 31 protects the wiring terminal, prevents water from directly dropping on the wiring terminal, and can prevent the wiring terminal from being damaged when the connector 3 is fixed, and correspondingly, the upper half check ring 42 is provided with the abdicating groove 43 to abdicate the wiring convex rib 31, so that the wiring convex rib 31 is prevented from interfering with the upper half check ring 42. Set up wiring groove 56 on the lower connecting piece 5 and make the hydroenergy on the binding post directly arrange downwards, the drainage is more unobstructed, and the binding post grafting of connector 3 is easier simultaneously, reduces the cost of labor, improves the packaging efficiency.
Specifically, the outer side surface of the lower retainer ring 55 is a plane, and the inner side surface of the lower retainer ring 55 has a section of arc surface matched with the outer side wall of the connector 3. The lateral surface of the lower half check ring 55 is the plane, so that the installation and positioning of the connecting piece 5 and the circuit board support 7 are facilitated, the distance between the connector 3 and the circuit board is smaller, the internal structure is more compact, meanwhile, the lower half check ring 55 has a larger gap with the lateral surface of the connector 3 except for the cambered surface, so that the lateral water flow is smooth, a water film cannot be formed, and the short circuit cannot be conducted through liquid between the wiring terminals.
specifically, the edge of the upper connecting piece 4 is provided with an upper positioning protrusion 44 extending downwards, the upper positioning protrusion 44 extends into the mounting hole 11 from top to bottom, the edge of the lower connecting piece 5 is provided with a lower positioning protrusion 57 extending upwards, and the lower positioning protrusion 57 extends into the mounting hole 11 from bottom to top. When the upper connecting piece 4 (the lower connecting piece 5) is placed in the mounting hole 11, the upper positioning protrusion 44 (the lower positioning protrusion 57) is attached to the inner wall of the mounting hole 11, so that the upper connecting piece 4 (the lower connecting piece 5) is positioned, and the upper connecting piece 4 (the lower connecting piece 5) can be limited to move in the mounting hole 11.
Specifically, the upper connecting member 4 is provided with a downwardly extending screw post 45, the lower connecting member 5 is provided with a screw positioning hole 58 at a position corresponding to the screw post 45, and a screw passes through the screw positioning hole 58 to be connected with the screw post 45. The upper connecting member 4 and the lower connecting member 5 are firmly connected by screws, but the screws are not limited thereto, and other fasteners such as rivets may be used to firmly connect the upper connecting member 4 and the lower connecting member 5.
The above is only the preferred embodiment of the present invention, and the patent scope of the present invention is not limited thereby, and all the equivalent structure changes made by the contents of the specification and the drawings or the direct/indirect application in other related technical fields are included in the patent protection scope of the present invention.
Claims (10)
1. A power base of a liquid heater comprises a panel, a bottom shell and a connector, wherein the panel and the bottom shell jointly enclose an installation cavity, and the power base is characterized by further comprising an upper connecting piece located above the panel and a lower connecting piece located in the installation cavity, the panel is provided with an installation hole, the connector is arranged at the installation hole, the upper connecting piece is provided with a positioning hole, the upper portion of the connector penetrates through the positioning hole, a step of the connector abuts against the upper connecting piece, a drain hole is formed in the bottom surface of the lower connecting piece, a drainage step is arranged around the drain hole, the edge of the lower end face of the connector abuts against the plane of the drainage step, and the upper connecting piece is connected with the lower connecting piece so as to clamp the panel between the edge of the upper connecting piece and the edge of the lower connecting piece.
2. The power base of claim 1, wherein the side wall of the drain hole extends downward to form a drain passage, the bottom surface of the lower connecting member and the drain passage are in a rounded transition, the drain passage protrudes from the bottom surface of the lower connecting member, and the bottom shell is provided with a drain opening for inserting the drain passage, and the drain passage is inserted into the drain opening.
3. The power supply base of the liquid heater as claimed in claim 1 or 2, wherein a positioning ring is arranged at the outer ring edge of the drainage step, and the lower part of the connector is positioned in the positioning ring.
4. The power supply base of claim 1, wherein the lower connecting member has a wiring slot corresponding to the wiring terminal of the connector, the wiring slot extending from the edge of the lower connecting member to the bottom surface of the lower connecting member.
5. The power supply base of claim 1, wherein the upper connecting member is provided with a downwardly extending upper half retaining ring at a position adjacent to the positioning hole, the lower connecting member is provided with an upwardly extending lower half retaining ring, and the upper half retaining ring and the lower half retaining ring together enclose the lower part of the connector.
6. The power base of the liquid heater as claimed in claim 5, wherein the connecting terminal of the connector is provided with a connecting rib extending outwards, the upper half of the retaining ring is provided with a recess corresponding to the connecting rib, and the connecting rib is located in the recess.
7. The power supply base of claim 5, wherein the outer side surface of the lower retainer ring is a plane surface, and the inner side surface of the lower retainer ring has a cambered surface matched with the outer side wall of the connector.
8. The power supply base of claim 1, wherein the upper connecting member has an upper positioning protrusion extending downward from the top to the bottom and a lower positioning protrusion extending upward from the bottom to the top.
9. the power supply base of claim 1, wherein the upper connecting member is provided with a downwardly extending screw post, the lower connecting member is provided with a screw positioning hole at a position corresponding to the screw post, and the screw passes through the screw positioning hole to be connected with the screw post.
10. The power supply base of claim 1, wherein a sealing ring is disposed between the upper connecting member and the panel, and an annular groove opened at a lower end surface of the upper connecting member is disposed at an edge of the upper connecting member for receiving the sealing ring.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201822040418.1U CN209733510U (en) | 2018-12-06 | 2018-12-06 | Power supply base of liquid heater |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201822040418.1U CN209733510U (en) | 2018-12-06 | 2018-12-06 | Power supply base of liquid heater |
Publications (1)
Publication Number | Publication Date |
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CN209733510U true CN209733510U (en) | 2019-12-06 |
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Family Applications (1)
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CN201822040418.1U Active CN209733510U (en) | 2018-12-06 | 2018-12-06 | Power supply base of liquid heater |
Country Status (1)
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CN (1) | CN209733510U (en) |
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2018
- 2018-12-06 CN CN201822040418.1U patent/CN209733510U/en active Active
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Effective date of registration: 20230530 Address after: Building 2, No. 52, 22nd Street, Baiyang Street, Qiantang New District, Hangzhou City, Zhejiang Province, 310000 Patentee after: Hangzhou Jiuchuang Home Appliances Co.,Ltd. Address before: No. 999, Mei Li Road, Huaiyin District, Ji'nan, Shandong Patentee before: JOYOUNG Co.,Ltd. |
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TR01 | Transfer of patent right |