CN209781713U - simple water tap - Google Patents
simple water tap Download PDFInfo
- Publication number
- CN209781713U CN209781713U CN201920082507.4U CN201920082507U CN209781713U CN 209781713 U CN209781713 U CN 209781713U CN 201920082507 U CN201920082507 U CN 201920082507U CN 209781713 U CN209781713 U CN 209781713U
- Authority
- CN
- China
- Prior art keywords
- ceramic valve
- valve plate
- shell
- cavity
- end cavity
- 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.)
- Withdrawn - After Issue
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 49
- 239000000919 ceramic Substances 0.000 claims abstract description 54
- 210000004907 gland Anatomy 0.000 claims abstract description 11
- 241000463219 Epitheca Species 0.000 claims abstract 5
- 229910000831 Steel Inorganic materials 0.000 claims description 29
- 239000010959 steel Substances 0.000 claims description 29
- 238000007789 sealing Methods 0.000 claims description 22
- 238000010079 rubber tapping Methods 0.000 claims description 6
- 239000004033 plastic Substances 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 4
- 230000001174 ascending effect Effects 0.000 claims 1
- 244000309464 bull Species 0.000 abstract description 5
- 125000003003 spiro group Chemical group 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 7
- 101150006573 PAN1 gene Proteins 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
Abstract
the utility model provides a simple and easy tap, including drain pan, water route control base, axis of rotation, bull stick, epitheca altogether vertical axial lead, have the gland that sinks the groove, the water route control base is established in the cavity that drain pan and epitheca enclose, the water route control base includes integrated into one piece's lower extreme cavity, well tip, upper end cavity, and the annular bottom surface spiro union drain pan of lower extreme cavity, bull stick traversing well tip, bull stick both ends joint epitheca inner wall respectively, and a horizontal handle is connected on the epitheca lateral wall, and the lower ceramic valve block has been put to the block in the lower extreme cavity, is equipped with ceramic valve block on the lower ceramic valve block top surface, and ceramic valve block top surface, top connection bull stick bottom surface are connected to the bottom of axis of rotation. The utility model provides a simple and easy tap, whole tap's compact structure has guaranteed that the tap volume can obtain further reduction.
Description
Technical Field
The utility model relates to a tap technical field especially relates to a simple and easy tap.
Background
The steel shell of the faucet with the structure is complicated in manufacturing and high in production cost, and the size of the faucet cannot be further miniaturized.
therefore, it is desirable to provide a simple faucet to solve the above technical problems.
SUMMERY OF THE UTILITY MODEL
the utility model discloses the main technical problem who solves provides a simple and easy tap for drive valve element assembly pivoted bull stick can pass the well tip of water control base, thereby makes whole tap's compact structure, has guaranteed that the tap volume can obtain further reduction.
In order to solve the technical problems, the utility model adopts a technical proposal that a simple water tap is provided,
The water channel control device comprises a bottom shell 1, a water channel control base 2, a rotating shaft 5, a rotating rod 6, an upper shell 8 and a gland 9 with a sinking groove 91, wherein the bottom shell 1, the water channel control base 2, the rotating shaft 6, the rotating rod 6, the upper shell 8 and the gland 9 are coaxial, the water channel control base 2 is arranged in a cavity defined by the bottom shell 1 and the upper shell 8, the water channel control base 2 comprises a lower end cavity 21, a middle end part 22 and an upper end cavity 23 which are integrally formed, the annular bottom surface of the lower end cavity 21 is in threaded connection with the bottom shell 1, the rotating rod 6 transversely penetrates through the middle end part 22, two ends of the rotating rod 6 are respectively;
a lower ceramic valve plate 4 is clamped in the lower end cavity 21, an upper ceramic valve plate 3 is arranged on the top surface of the lower ceramic valve plate 4, the bottom end of the rotating shaft 5 is connected with the top surface of the upper ceramic valve plate 3, and the top end of the rotating shaft is connected with the bottom surface of the rotating rod 6;
The bottom surface of the lower sinking groove 91 is provided with a plurality of water outlet holes, the bottom surface of the sinking groove 91 is in threaded connection with the bottom of the upper end cavity 23, 1 or 2 water inlet holes which are in one-to-one correspondence from top to bottom are arranged on the bottom shell 1 and the lower ceramic valve plate 4, the upper ceramic valve plate 3 is provided with water inlet holes, the lower end cavity 21, the middle end part 22, the upper end cavity 23 and the sinking groove 91 are sequentially communicated, and a waterway channel of the middle end part 22 is not crossed with the vertical axial lead; when the rotating shaft 5 drives the upper ceramic valve plate 3 to rotate to a preset angle position relative to the lower ceramic valve plate 4, the water inlet hole on the upper ceramic valve plate 3 is communicated with one water inlet hole of the lower ceramic valve plate 4.
In the examples, it is preferred that:
the bottom shell 1, the waterway control base 2, the rotating rod 6 and the upper shell 8 are made of plastic materials;
the outer wall of the bottom shell 1 is wrapped with a bottom shell cover 11, and the outer wall of the upper shell 8 is wrapped with an upper shell cover 12.
In the examples, it is preferred that:
And 1 water inlet holes which are in one-to-one correspondence from top to bottom are formed in the bottom shell 1 and the lower ceramic valve plate 4.
in the examples, it is preferred that:
the bottom shell 1 and the lower ceramic valve plate 4 are provided with 2 water inlet holes which are in one-to-one correspondence from top to bottom.
in the examples, it is preferred that:
The water-saving valve is characterized in that a vertical spring is arranged on the inner side wall of the upper shell 8, the bottom of the vertical spring is connected with a steel ball 13, a steel ball groove 211 which is matched with the steel ball 13 and used for limiting the movement of the steel ball 13 is arranged on the annular surface of the top of the lower end cavity 21, wherein the bottom end of the steel ball 13 is sunk into the steel ball groove 211, the upper ceramic valve plate 3 completely shields a water inlet on the lower ceramic valve plate 4, and when the steel ball 13 is moved out of the steel ball groove 211, an upward waterway channel of the water inlet of the bottom shell 1 is.
In the examples, it is preferred that:
The middle end part 22 comprises two vertical rubber pipes 221 which are transversely spaced, and the top of the lower end cavity 21 is communicated with the upper end cavity 23 through the vertical rubber pipes 221.
In the examples, it is preferred that:
a sealing washer 10 is further embedded in the lower end cavity 21, the bottom surface of the sealing washer 10 is contacted with the bottom surface of the bottom shell 1, and the top surface of the sealing washer is contacted with the bottom surface of the lower ceramic valve plate 4;
The bottom surface in the bottom shell 1 is integrally formed with first positioning posts 101, and the sealing washer 10 is provided with first positioning holes corresponding to the first positioning posts 101 one to one.
In the examples, it is preferred that:
A first annular groove is formed in the outer side wall of the gland 9, a first O-shaped sealing ring 14 is sleeved on the first annular groove, and the first O-shaped sealing ring 14 is in contact with the inner wall of the upper end cavity 23;
and a second annular groove is formed in the outer side wall of the rotating shaft 5, and a second O-shaped sealing ring 15 is sleeved on the second annular groove.
In the examples, it is preferred that:
the top of the gland 9 extends laterally outward to form an annular lug 72, and the top of the upper housing cover 12 extends laterally inward and then vertically downward to form a step 121 for supporting the annular lug 72.
In the examples, it is preferred that:
A second positioning column 231 with internal threads is arranged in the middle of the bottom surface of the upper end cavity 23, and the bottom surface of the lower sinking groove 91 is in threaded connection with the second positioning column 231 through a countersunk self-tapping screw 16;
the bottom shell 1 is in threaded connection with the bottom surface of the lower end cavity 21 through pan head self-tapping screws 17.
The utility model has the advantages that: the rotating rod driving the valve element assembly to rotate can penetrate through the middle end part of the water path control base, so that the structure of the whole faucet is compact, and the size of the faucet can be further reduced; further, the stainless steel's on the outer wall of plastic upper shell and plastic drain pan bottom shell lid and upper cover are established to the package, the punching press preparation of being convenient for, low in manufacturing cost to can reduce tap's manufacturing cost and reduce the manufacturing degree of difficulty.
Drawings
Fig. 1 is a front view schematically illustrating a first preferred embodiment of a simple faucet according to the present invention;
FIG. 2 is a perspective view of the simple faucet shown in FIG. 1;
3 FIG. 3 3 3 is 3 a 3 schematic 3 sectional 3 view 3 of 3 the 3 simple 3 faucet 3 shown 3 in 3 FIG. 31 3, 3 taken 3 along 3 the 3 line 3 A 3- 3 A 3' 3 of 3 FIG. 31 3; 3
FIG. 4 is a schematic sectional view of the simple faucet shown in FIG. 1, taken along the line B-B' in FIG. 1;
Fig. 5 and 6 are schematic views showing a disassembled structure of the simple faucet shown in fig. 2.
Detailed Description
the technical solution of the present invention will be described in detail with reference to the drawings.
referring to fig. 1, 2, 4 and 6, the simple faucet of the present embodiment,
The water channel control device comprises a bottom shell 1, a water channel control base 2, a rotating shaft 5, a rotating rod 6, an upper shell 8 and a gland 9 with a sinking groove 91, wherein the bottom shell 1, the water channel control base 2, the rotating shaft 6, the rotating rod 6, the upper shell 8 and the gland 9 are coaxial, the water channel control base 2 is arranged in a cavity defined by the bottom shell 1 and the upper shell 8, the water channel control base 2 comprises a lower end cavity 21, a middle end part 22 and an upper end cavity 23 which are integrally formed, the annular bottom surface of the lower end cavity 21 is in threaded connection with the bottom shell 1, the rotating rod 6 transversely penetrates through the middle end part 22, two ends of the rotating rod 6 are respectively;
as shown in fig. 3 and 5, a lower ceramic valve plate 4 is clamped in the lower end cavity 21, an upper ceramic valve plate 3 is arranged on the top surface of the lower ceramic valve plate 4, the bottom end of the rotating shaft 5 is connected with the top surface of the upper ceramic valve plate 3, and the top end of the rotating shaft is connected with the bottom surface of the rotating rod 6;
the bottom surface of the lower sinking groove 91 is provided with a plurality of water outlet holes, the bottom surface of the sinking groove 91 is in threaded connection with the bottom of the upper end cavity 23, 1 or 2 water inlet holes which are in one-to-one correspondence from top to bottom are arranged on the bottom shell 1 and the lower ceramic valve plate 4, the upper ceramic valve plate 3 is provided with water inlet holes, the lower end cavity 21, the middle end part 22, the upper end cavity 23 and the sinking groove 91 are sequentially communicated, and a waterway channel of the middle end part 22 is not crossed with the vertical axial lead; when the rotating shaft 5 rotates, the upper ceramic valve block 3 is driven to rotate, so that the relative position of a water inlet on the upper ceramic valve block 3 and a water inlet on the lower ceramic valve block 4 is changed, when the rotating shaft 5 drives the upper ceramic valve block 3 to rotate to a preset angle position relative to the lower ceramic valve block 4, the water inlet on the upper ceramic valve block 3 is communicated with one water inlet of the lower ceramic valve block 4 to open a water outlet channel from bottom to top of the faucet, and when the rotating shaft 5 rotates to other angle positions, the water inlet on the upper ceramic valve block 3 and the water inlet on the lower ceramic valve block 4 are deviated and are not communicated with each other, so that the water outlet channel of the faucet is blocked, and at the moment, the water outlet channel is in a closed state.
in order to ensure the light weight, simple manufacturing process and low production cost of the faucet, please refer to fig. 3, in a preferred embodiment of the present invention, the bottom shell 1, the waterway control base 2, the rotating rod 6 and the upper shell 8 are made of plastic; the outer wall of the bottom shell 1 is wrapped with a bottom shell cover 11, and the outer wall of the upper shell 8 is wrapped with an upper shell cover 12. Of course, in other embodiments of the present invention, the rotating rod 6 may also be made of metal, and the bottom shell cover 11 and the upper shell cover 12 may also be made of stainless steel, aluminum alloy or copper alloy, which is not limited herein.
The utility model discloses an embodiment, be provided with 1 inlet opening of upper and lower one-to-one on drain pan 1 and the lower ceramic valve block 4, consequently, at the in-process of twist grip 7, tap's waterway only gets through and shuts off two kinds of states.
the utility model discloses an in another embodiment, 2 inlet openings of one-to-one about being provided with on drain pan 1 and the lower ceramic valve block 4, this just makes, and this kind of tap can adapt to two kinds of water demands of user's running water, pure water, and corresponding at the in-process of twist grip 7, tap's waterway can appear that pure water passageway gets through, running water passageway gets through, three kinds of states are turn-offed in the water route. Further, in order to feel that the handle 7 rotates to a state that the water outlet channel is opened when the handle 7 is rotated, as shown in fig. 6, preferably, a vertical spring is arranged on the inner side wall of the upper shell 8, the bottom of the vertical spring is connected with a steel ball 13, a steel ball groove 211 which is matched with the steel ball 13 and used for limiting the movement of the steel ball 13 is arranged on the top annular surface of the lower end cavity 21, wherein the bottom end of the steel ball 13 is sunk into the steel ball groove 211, and the upper ceramic valve plate 3 completely shields a water inlet hole on the lower ceramic valve plate 4; correspondingly, the simple faucet of the embodiment has three gears, and a user can feel that the waterway channel is blocked when the bottom of the steel ball 13 sinks into the steel ball groove 211 every time, so that the user can feel more intuitively; when a user rotates the handle 7 in one direction to enable the steel ball 13 to leave the steel ball groove 211, an upward water inlet channel of a water inlet hole in the bottom shell 1 is opened; and when the user rotates the handle 7 in the other direction so that the steel ball 13 moves out of the steel ball groove 211, the upward water inlet passage of the other water inlet hole of the bottom case 1 is opened.
The utility model discloses a simple and easy tap, one of the characteristics that is different from traditional tap lies in: the waterway channel of the middle end 22 of the waterway control base 2 does not pass through the axis of the faucet, which allows the rotating rod 6 to pass through the axis, and a preferred embodiment is: as shown in FIG. 5, the middle end portion 22 includes two vertical rubber tubes 221 which are transversely spaced, and the top of the lower end cavity 21 is communicated with the upper end cavity 23 through the vertical rubber tubes 221. In other embodiments of the present invention, the middle end 22 may include more vertical rubber tubes 221 for communicating the lower end cavity 21 and the upper end cavity 23, and of course, the middle end may also include other rubber tubes with zigzag shapes, which is not limited to this.
in order to ensure good sealing performance of the waterway channel and prevent water from leaking from the predetermined waterway channel, in a preferred embodiment of the present invention, as shown in fig. 3 and 5, a sealing washer 10 is further embedded in the lower end cavity 21, and the bottom surface of the sealing washer 10 contacts the bottom surface of the bottom shell 1 and the top surface contacts the bottom surface of the lower ceramic valve plate 4; further, in order to ensure that the sealing gasket 10 is in close contact with the inner bottom surface of the lower housing 1, preferably, as shown in fig. 5, first positioning posts 101 are integrally formed on the inner bottom surface of the bottom housing 1, and the sealing gasket 10 is provided with first positioning holes corresponding to the first positioning posts 101 one to one, so that the stability of the sealing gasket 10 is further improved.
in order to further improve the sealing effect of the waterway channel, as shown in fig. 3, a first annular groove is formed in the outer side wall of the gland 9, a first O-ring 14 is sleeved on the first annular groove, and the first O-ring 14 contacts the inner wall of the upper end cavity 23; and a second annular groove is formed in the outer side wall of the rotating shaft 5, and a second O-shaped sealing ring 15 is sleeved on the second annular groove.
In order to ensure the stability of the structure, in a preferred embodiment of the present invention, as shown in fig. 3, the top of the pressing cover 9 extends laterally outwards to form the annular lug 72, and the top of the upper shell cover 12 extends laterally inwards and then vertically downwards to form a step 121 for supporting the annular lug 72.
In order to further improve the structural stability, as shown in fig. 5, in a preferred embodiment of the present invention, a second positioning column 231 with an internal thread is disposed in the middle of the bottom surface of the upper cavity 23, as shown in fig. 3, the bottom surface of the lower sinking groove 91 is connected to the second positioning column 231 through a countersunk self-tapping screw 16; the bottom shell 1 is in threaded connection with the bottom surface of the lower end cavity 21 through a pan head self-tapping screw 17, and the bottom shell 1 and the waterway control base 2 are convenient to disassemble and assemble in a threaded connection mode.
The embodiment of the utility model provides an in, the material of handle 7 and axis of rotation 5 also can be the metal material, and this needs carry out the selection of adaptability to the material according to specific design requirement.
the above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures made by the contents of the specification and the drawings, or directly or indirectly applied to other related technical fields, are included in the same principle as the protection scope of the present invention.
Claims (10)
1. A simple faucet is characterized in that:
The water channel control device comprises a bottom shell (1) sharing a vertical axial lead, a water channel control base (2), a rotating shaft (5), a rotating rod (6), an upper shell (8) and a gland (9) with a sinking groove (91), wherein the water channel control base (2) is arranged in a cavity defined by the bottom shell (1) and the upper shell (8), the water channel control base (2) comprises a lower end cavity (21), a middle end part (22) and an upper end cavity (23) which are integrally formed, the annular bottom surface of the lower end cavity (21) is in threaded connection with the bottom shell (1), the rotating rod (6) transversely penetrates through the middle end part (22), two ends of the rotating rod (6) are respectively clamped with the inner wall of the upper shell (8), and a transverse handle (7) is connected to the side wall of the;
A lower ceramic valve plate (4) is clamped in the lower end cavity (21), an upper ceramic valve plate (3) is arranged on the top surface of the lower ceramic valve plate (4), the bottom end of the rotating shaft (5) is connected with the top surface of the upper ceramic valve plate (3), and the top end of the rotating shaft is connected with the bottom surface of the rotating rod (6);
the bottom surface of the sinking groove (91) is provided with a plurality of water outlet holes, the bottom surface of the sinking groove (91) is in threaded connection with the bottom of the upper end cavity (23), the bottom shell (1) and the lower ceramic valve plate (4) are provided with 1 or 2 water inlet holes which are in one-to-one correspondence from top to bottom, the upper ceramic valve plate (3) is provided with water inlet holes, the lower end cavity (21), the middle end part (22), the upper end cavity (23) and the sinking groove (91) are sequentially communicated, and a water channel of the middle end part (22) is not crossed with the vertical axial lead; when the rotating shaft (5) drives the upper ceramic valve plate (3) to rotate to a preset angle position relative to the lower ceramic valve plate (4), the water inlet hole in the upper ceramic valve plate (3) is communicated with the water inlet hole in the lower ceramic valve plate (4).
2. the simple faucet of claim 1, wherein:
The bottom shell (1), the waterway control base (2), the rotating rod (6) and the upper shell (8) are made of plastic materials;
the outer wall of the bottom shell (1) is wrapped with a bottom shell cover (11), and the outer wall of the upper shell (8) is wrapped with an upper shell cover (12).
3. the simple faucet of claim 2, wherein:
And 1 water inlet holes which are in one-to-one correspondence from top to bottom are formed in the bottom shell (1) and the lower ceramic valve plate (4).
4. the simple faucet of claim 2, wherein:
2 water inlet holes which are in one-to-one correspondence are arranged on the bottom shell (1) and the lower ceramic valve plate (4).
5. the simple faucet of claim 4, wherein:
be provided with vertical spring on epitheca (8) inside wall, the bottom of vertical spring is connected with steel ball (13), be provided with on the lower extreme cavity (21) top anchor ring with steel ball (13) assorted is used for restricting steel ball (13) moving steel ball groove (211), under steel ball (13) bottom is absorbed in steel ball groove (211) state, goes up ceramic valve block (3) and has sheltered from the inlet opening on ceramic valve block (4) down completely, and shifts out steel ball groove (211) when steel ball (13), then the ascending waterway of an inlet opening of drain pan (1) is unblocked.
6. The easy faucet of any one of claims 1 to 5, wherein:
the middle end part (22) comprises two vertical rubber pipes (221) which are transversely spaced, and the top of the lower end cavity (21) is communicated with the upper end cavity (23) through the vertical rubber pipes (221).
7. the simple faucet of any one of claims 1 to 3, wherein:
A sealing washer (10) is further embedded in the lower end cavity (21), the bottom surface of the sealing washer (10) is contacted with the bottom surface of the bottom shell (1), and the top surface of the sealing washer is contacted with the bottom surface of the lower ceramic valve plate (4);
the bottom surface in the bottom shell (1) is integrally formed with first positioning columns (101), and the sealing washer (10) is provided with first positioning holes corresponding to the first positioning columns (101) one to one.
8. The simple faucet of any one of claims 1 to 3, wherein:
A first annular groove is formed in the outer side wall of the gland (9), a first O-shaped sealing ring (14) is sleeved on the first annular groove, and the first O-shaped sealing ring (14) is in contact with the inner wall of the upper end cavity (23);
And a second annular groove is formed in the outer side wall of the rotating shaft (5), and a second O-shaped sealing ring (15) is sleeved on the second annular groove.
9. the easy faucet of claim 2, wherein:
The top of the gland (9) extends outwards transversely to form an annular lug (72), and the top of the upper shell cover (12) extends inwards transversely and then downwards vertically to form a step (121) for supporting the annular lug (72).
10. The easy faucet of claim 2, wherein:
a second positioning column (231) with internal threads is arranged in the middle of the bottom surface of the upper end cavity (23), and the bottom surface of the sunken groove (91) is in threaded connection with the second positioning column (231) through a countersunk self-tapping screw (16);
The bottom shell (1) is in threaded connection with the bottom surface of the lower end cavity (21) through pan head self-tapping screws (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920082507.4U CN209781713U (en) | 2019-01-17 | 2019-01-17 | simple water tap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920082507.4U CN209781713U (en) | 2019-01-17 | 2019-01-17 | simple water tap |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209781713U true CN209781713U (en) | 2019-12-13 |
Family
ID=68793096
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920082507.4U Withdrawn - After Issue CN209781713U (en) | 2019-01-17 | 2019-01-17 | simple water tap |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209781713U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109630709A (en) * | 2019-01-17 | 2019-04-16 | 中山市柠檬环境科技有限公司 | A kind of Simple water tap |
-
2019
- 2019-01-17 CN CN201920082507.4U patent/CN209781713U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109630709A (en) * | 2019-01-17 | 2019-04-16 | 中山市柠檬环境科技有限公司 | A kind of Simple water tap |
| CN109630709B (en) * | 2019-01-17 | 2024-04-09 | 中山市柠檬环境科技有限公司 | Simple water tap |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20191213 Effective date of abandoning: 20240409 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20191213 Effective date of abandoning: 20240409 |