CN213180151U - Mechanical water meter capable of automatically opening water meter cover - Google Patents
Mechanical water meter capable of automatically opening water meter cover Download PDFInfo
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- CN213180151U CN213180151U CN202021426135.1U CN202021426135U CN213180151U CN 213180151 U CN213180151 U CN 213180151U CN 202021426135 U CN202021426135 U CN 202021426135U CN 213180151 U CN213180151 U CN 213180151U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 50
- 230000007246 mechanism Effects 0.000 claims description 20
- 230000003028 elevating effect Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract 2
- 230000005489 elastic deformation Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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- 239000008399 tap water Substances 0.000 description 1
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Abstract
The utility model discloses a can open mechanical water gauge of water gauge lid automatically, include: the jar body, pressing means, the bracing piece, the activity groove, the table lid, the supporting shoe, the fixed block, elevating system and dial plate, the activity groove of intercommunication jar body inner chamber is seted up at the left side middle part of the jar body, pressing means sets up in the inner wall right side top of the jar body, the quantity of bracing piece is two, two bracing pieces set up respectively in the inner wall left side top front side and the rear side of the jar body, the supporting shoe sets up in the left side top of the jar body, the bottom inboard of table lid sets up in the front and back both ends left side of supporting shoe through the round pin is rotatable, the fixed block sets up in the right side bottom of table lid. This can open mechanical water gauge of water gauge lid automatically, can stabilize the locking table lid to make the table lid can not open unusually, prevent dial plate deposit dirt or damaged, be convenient for observe, convenient to use can make work go on smoothly.
Description
Technical Field
The utility model relates to a water gauge technical field specifically is a can open mechanical water gauge of water gauge lid automatically.
Background
A water meter, which is a device for measuring the usage amount of water, is commonly found at a user end of tap water, and the degree of the water meter is used as a basis for calculating water charge, and the total measurement unit of the water meter is usually cubic feet or cubic meters;
when the traditional mechanical water meter is used, the water meter cover is easily opened abnormally because the water meter cover is not locked stably, so that dirt or damage is easily accumulated on the meter plate, observation cannot be carried out or is inconvenient to carry out, and inconvenience in use is caused.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a can open mechanical water gauge of water gauge lid automatically to at least, it is insecure to solve the easy locking of prior art water gauge lid, causes the water gauge lid to open unusually, thereby causes the water gauge observation area to deposit the dirt easily, is not convenient for observe or even leads to observing, and influences the problem of follow-up work.
In order to achieve the above object, the utility model provides a following technical scheme: a mechanical water meter with an automatically openable cover, comprising: the middle part of the left side of the tank body is provided with a movable groove communicated with the inner cavity of the tank body; the pressing mechanism is arranged at the top end of the right side of the inner wall of the tank body; the supporting rods are arranged on the front side and the rear side of the top of the left side of the inner wall of the tank body respectively; the supporting block is arranged at the top end of the left side of the tank body; the inner side of the bottom end of the meter cover is rotatably arranged on the left sides of the front end and the rear end of the supporting block through pin shafts; the fixed block is arranged at the bottom end of the right side of the meter cover; the lifting mechanism is arranged in the inner cavity of the tank body; the water inlet pipe is arranged at the bottom end of the front side of the tank body; the water outlet pipe is arranged at the bottom end of the rear side of the tank body; the dial plate is arranged at the top end of the inner cavity of the tank body.
The lifting mechanism comprises: the rear side of the gear is rotatably connected to the rear side of the inner wall of the tank body through a pin shaft; one end of the first connecting rod is rotatably arranged at the bottom end of the front side of the gear through a pin shaft; one end of the second connecting rod is rotatably arranged at the other end of the first connecting rod through a pin shaft, the other end of the second connecting rod penetrates through the movable groove, and the second connecting rod positioned in the inner cavity of the movable groove is rotatably connected to the front side and the rear side of the inner wall of the movable groove through the pin shaft; and one end of the third connecting rod is rotatably arranged at the other end of the second connecting rod through a pin shaft, and the inner cavity of the other end of the third connecting rod, which penetrates through the supporting block, is rotatably arranged at the front side and the rear side of the fixed block through the pin shaft.
Preferably, the pressing mechanism includes: the tank body is arranged at the top end of the right side of the inner wall of the tank body, and chutes are formed in the top ends of the left side and the right side of the inner wall of the tank body along the front-back direction; the two ends of the limiting rod are respectively arranged on the front side and the rear side of the sliding chute; the tension spring is sleeved at the front end of the outer wall of the limiting rod, and one end of the tension spring is clamped at the front end of the sliding groove; the left side and the right side of the brake plate are respectively sleeved in the middle of the outer walls of the two limiting rods in a sliding manner, the left side and the right side of the brake plate are respectively embedded in the inner cavities of the two sliding grooves, the other ends of the two tension springs are respectively clamped in the left end and the right end of the front side of the brake plate, the rear side of the top end of the brake plate is provided with a first sliding groove which penetrates up and down along the left-right direction, and the front side of the top end of the brake plate is provided with a second sliding groove which penetrates up and down along the left-right direction; the left side of the first button is sleeved on the right side of the outer wall of the front side supporting rod, the right side of the first button penetrates through the bottoms of the left side and the right side of the box body and the top of the right side of the tank body to extend out of the inner cavity of the tank body, teeth meshed with the gear are arranged at the bottom end of the left side of the outer wall of the first button, and the first button is located below the brake plate; the left side of the second button is sleeved on the right side of the outer wall of the rear side supporting rod, the right side of the second button penetrates through the bottoms of the left side and the right side of the box body and the top of the right side of the tank body to extend out of the inner cavity of the tank body, and the second button is positioned below the brake plate; the number of the sliding columns is two, the two sliding columns are respectively arranged at the top ends of the outer walls of the first button and the second button, the sliding column positioned at the top end of the outer wall of the first button is embedded in the left side of the inner cavity of the second sliding groove, and the sliding column positioned at the top end of the outer wall of the second button is embedded in the right side of the inner cavity of the second sliding groove; the spring, the quantity of spring is two, two the spring cup joints respectively in the outer wall right side of first button and second button, and two the spring all sets up in the inner chamber of box, two the both ends of spring joint respectively in the inner wall left side and two travelers of box.
Preferably, the size of the meter cover is the same as that of the top end of the tank body, and a rubber ring is arranged on the circumference of the meter cover.
Preferably, the length of the fixing block is smaller than that of the inner cavity of the supporting block.
Preferably, the length of the inner cavity projection of the second sliding groove is greater than the diameter length of the sliding column.
Compared with the prior art, the beneficial effects of the utility model are that: this can open mechanical water gauge of water gauge lid automatically, the cooperation that utilizes pressing means and elevating system reaches opening and closing that can automatic control table lid, can stabilize the locking table lid to make the table lid can not open unusually, prevent dial plate deposition dirt or damage, be convenient for observe, convenient to use can make work go on smoothly.
Drawings
FIG. 1 is a front sectional view of the present invention;
FIG. 2 is a schematic view of the present invention;
FIG. 3 is a front sectional view of the pressing mechanism;
fig. 4 is a top sectional view of the pressing mechanism.
In the figure: 1. the water meter comprises a tank body, 2, a pressing mechanism, 21, a box body, 22, a sliding groove, 23, a limiting rod, 24, a tension spring, 25, a brake plate, 26, a first sliding groove, 27, a second sliding groove, 28, a first button, 29, a second button, 210, a sliding column, 211, a spring, 4, a supporting rod, 5, a movable groove, 6, a meter cover, 7, a supporting block, 8, a fixed block, 9, a lifting mechanism, 91, a gear, 92, a first connecting rod, 93, a second connecting rod, 94, a third connecting rod, 10, a water inlet pipe, 11, a water outlet pipe, 12 and a dial.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a mechanical water meter with an automatically openable cover, comprising: the pot body 1, the pressing mechanism 2, the support rods 4, the movable groove 5, the meter cover 6, the support blocks 7, the fixed blocks 8, the lifting mechanism 9, the water inlet pipe 10, the water outlet pipe 11 and the dial plate 12, the movable groove 5 communicated with the inner cavity of the pot body 1 is formed in the middle of the left side of the pot body 1, the pressing mechanism 2 is arranged at the top end of the right side of the inner wall of the pot body 1, the pressing mechanism 2 is used for controlling the meter cover 6 to be opened or closed, the number of the support rods 4 is two, the two support rods 4 are respectively arranged on the front side and the rear side of the top of the left side of the inner wall of the pot body 1, the two support rods 4 are used for supporting the first button 28 and the second button 29 and limiting the first button 28 and the second button 29, the support blocks 7 are arranged at the top end of the left side of the pot body 1, the support blocks, elevating system 9 sets up in the inner chamber of jar body 1, and elevating system 9 can drive table lid 6 and open or be closed, and inlet tube 10 sets up in the front side bottom of jar body 1, and outlet pipe 11 sets up in the rear side bottom of jar body 1, and dial plate 12 sets up in the inner chamber top of jar body 1.
The lifting mechanism 9 includes: the rear side of the gear 91 is rotatably connected to the rear side of the inner wall of the tank body 1 through a pin, one end of the first connecting rod 92 is rotatably arranged at the bottom end of the front side of the gear 91 through a pin, the gear 91 can drive the first connecting rod 92 to ascend or descend through rotation of the gear, one end of the second connecting rod 93 is rotatably arranged at the other end of the first connecting rod 92 through a pin, the other end of the second connecting rod 93 penetrates through the movable groove 5, the second connecting rod 93 positioned in the inner cavity of the movable groove 5 is rotatably connected to the front side and the rear side of the inner wall of the movable groove 5 through a pin, the first connecting rod 92 can drive one end of the second connecting rod 93 to ascend or descend, the other end of the second connecting rod 93 moves in the opposite direction, one end of the third connecting rod 94 is rotatably arranged at the other end of the second connecting rod 93 through a pin, and the second connecting rod 93 can drive the third connecting, and the inner side of the other end of the third connecting rod 94 penetrates through the inner cavity of the supporting block 7 and is rotatably arranged at the front side and the rear side of the fixed block 8 through a pin shaft, and the third connecting rod 94 can pull the fixed block 8 to pull the meter cover 6 to be opened or closed.
Preferably, the pressing mechanism 2 further includes: the box body 21 is arranged at the top end of the right side of the inner wall of the tank body 1, the sliding grooves 22 are formed in the top ends of the left side and the right side of the inner wall of the box body 21 along the front-back direction, the braking plate 25 can slide in an inner cavity of the sliding grooves 22, two ends of the limiting rod 23 are respectively arranged at the front side and the back side of the sliding grooves 22, the tension spring 24 is sleeved at the front end of the outer wall of the limiting rod 23, the tension spring 24 is a rotary spring, elastic deformation occurs after the tension or extrusion is applied, the initial state is recovered after the external force is removed, one end of the tension spring 24 is clamped at the front end of the sliding grooves 22, the left side and the right side of the braking plate 25 are respectively sleeved at the middle parts of the outer walls of the two limiting rods 23 in a sliding mode, and the left side and the right side of the braking plate 25 are respectively embedded in the inner cavities of the two sliding grooves 22, the other ends of the two tension springs 24 are respectively clamped at the left end and the right end of the front side of the brake plate 25, the brake plate 25 slides forwards or backwards to drive the tension springs 24 to generate elastic deformation, the rear side of the top end of the brake plate 25 is provided with a first sliding groove 26 which penetrates through the brake plate up and down along the left-right direction, the front side of the top end of the brake plate 25 is provided with a second sliding groove 27 which penetrates through the brake plate up and down along the left-right direction, the left side of the first button 28 is sleeved at the right side of the outer wall of the front side support rod 4, the right side of the first button 28 penetrates through the bottom of the left side and the right side of the box body 21 and the top of the right side of the tank body 1 to extend out of the inner cavity of the tank body 1, the bottom end of the left side of the outer wall of the first button 28 is provided with teeth which are meshed with the gear 91, the first button 28 moves leftwards or right, the right side of the second button 29 penetrates through the bottoms of the left side and the right side of the box body 21 and the top of the right side of the tank body 1 to extend out of the inner cavity of the tank body 1, the second button 29 is positioned below the brake plate 25, the number of the sliding columns 210 is two, the two sliding columns 210 are respectively arranged at the top ends of the outer walls of the first button 28 and the second button 29, the sliding column 210 at the top end of the outer wall of the first button 28 is embedded in the left side of the inner cavity of the second sliding groove 27, the sliding column 210 at the top end of the outer wall of the second button 29 is embedded in the right side of the inner cavity of the second sliding groove 27, the number of the springs 211 is two, the springs 211 are rotating springs, elastic deformation occurs after the springs are extruded or stretched under force, the springs restore to the initial state after the external force is removed, the two springs 211 are respectively sleeved on the right sides of the outer walls of the first button 28 and the second button 29, and two springs 211 are all arranged in the inner cavity of the box body 21, and two ends of the two springs 211 are respectively clamped on the left side of the inner wall of the box body 21 and the two sliding columns 210.
Preferably, the size of the lid 6 is the same as the size of the top end of the can body 1, and a rubber ring is arranged on the circumference of the lid 6, so that the lid 6 can be more tightly contacted with the can body 1, and dirt can be prevented from entering.
Preferably, the length of the fixing block 8 is smaller than the length of the inner cavity of the supporting block 7, so that the watch cover 6 can be opened or closed smoothly.
Preferably, the length of the protrusion of the inner cavity of the second sliding groove 27 is greater than the diameter length of the sliding column 210, so as to ensure that the second sliding groove 27 can stably brake the first button 28.
The detailed connection means is a technique known in the art, and the following mainly describes the working principle and process, and the specific operation is as follows.
When the watch cover 6 needs to be covered, pressing the second button 29 drives the sliding column 210 on the second button 29 to move to the left side in the inner cavity of the first sliding groove 26, the sliding column 210 on the second button 29 presses the braking plate 25 to slide backwards on the outer wall of the limiting rod 23 through the shape of the inner cavity of the first sliding groove 26, meanwhile, the tension spring 24 is stretched to generate elastic deformation, the braking plate 25 moves backwards to cause the sliding column 210 on the first button 28 to be separated from the bulge of the second sliding groove 27, the spring 211 pushes the first button 28 to move to the right side until the sliding column 210 on the first button 28 is contacted with the right side of the second sliding groove 27, simultaneously, the tooth on the left side of the bottom end of the outer wall of the first button 28 drives the gear 91 to rotate clockwise, the gear 91 drives the first link 92 to move upwards, the first link 92 pulls the right end of the second link 93 to move upwards, and thereby the left end of the second link 93 pulls the third link 94 to move downwards, the third link 94 pulls the meter cover 6 to rotate clockwise through the fixed block 8 until the meter cover 6 contacts with the top end of the can body 1, the hand pressing the second button 29 is released, the second button 29 is pushed to return to the initial state under the action of the elastic force of the spring 211, the braking plate 25 is pulled to return to the initial state under the action of the elastic force of the tension spring 24, when the meter cover 6 needs to be opened, the second button 29 is pressed, the braking plate 25 is pushed to slide backwards, the tension spring 24 is stretched to generate elastic deformation, then the first button 28 is pushed to drive the gear 91 to rotate anticlockwise, the gear 91 drives the first link 92 to move downwards, the right end of the second link 93 is driven by the first link 92 to move downwards, the left side of the second link 93 pushes the third link 94 to move upwards, the meter cover 6 is pushed to rotate anticlockwise through the fixed block 8 by the third link 94, so that the meter cover 6 is opened, the hand pressing the second button 29, promote second button 29 under the spring action of spring 211 and resume initial condition, pulling braking plate 25 resumes initial condition under the spring action of extension spring 24, and the traveller 210 that is located on first button 28 contacts with the protruding department left side of second sliding tray 27 this moment for brake first button 28, this device can stabilize locking table lid 6, makes table lid 6 can not open unusually, thereby can prevent to deposit the dirt on dial plate 12, be convenient for observe, and easy operation, convenient to use.
In the description of the present invention, it is to be understood that the terms "left side", "middle part", "right side", "top side", "front side", "rear side", "both ends", "bottom end", "one end", "other end", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and 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; also, unless expressly stated or limited otherwise, the terms "snap" and "engage" each other, respectively, and are intended to be broadly construed, for example, as a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. A mechanical water meter with an automatically openable cover, comprising:
the tank comprises a tank body (1), wherein the middle part of the left side of the tank body (1) is provided with a movable groove (5) communicated with the inner cavity of the tank body (1);
the pressing mechanism (2), the pressing mechanism (2) is arranged at the top end of the right side of the inner wall of the tank body (1);
the supporting rods (4) are arranged, the number of the supporting rods (4) is two, and the two supporting rods (4) are respectively arranged on the front side and the rear side of the top of the left side of the inner wall of the tank body (1);
the supporting block (7), the supporting block (7) is arranged at the top end of the left side of the tank body (1);
the inner side of the bottom end of the meter cover (6) is rotatably arranged on the left sides of the front end and the rear end of the supporting block (7) through a pin shaft;
the fixed block (8), the said fixed block (8) is set up in the right bottom of the table cover (6);
the lifting mechanism (9), the said lifting mechanism (9) is set up in the cavity of the tank body (1);
the water inlet pipe (10), the water inlet pipe (10) is arranged at the bottom end of the front side of the tank body (1);
the water outlet pipe (11), the water outlet pipe (11) is arranged at the bottom end of the rear side of the tank body (1);
the dial plate (12), the said dial plate (12) is set up in the top of cavity of the can body (1);
the lifting mechanism (9) comprises:
the rear side of the gear (91) is rotatably connected to the rear side of the inner wall of the tank body (1) through a pin shaft;
one end of the first connecting rod (92) is rotatably arranged at the bottom end of the front side of the gear (91) through a pin shaft;
one end of the second connecting rod (93) is rotatably arranged at the other end of the first connecting rod (92) through a pin shaft, the other end of the second connecting rod (93) penetrates through the movable groove (5), and the second connecting rod (93) positioned in the inner cavity of the movable groove (5) is rotatably connected to the front side and the rear side of the inner wall of the movable groove (5) through the pin shaft;
and one end of the third connecting rod (94) is rotatably arranged at the other end of the second connecting rod (93) through a pin shaft, and the inner side of the other end of the third connecting rod (94) penetrates through the inner cavity of the supporting block (7) and is rotatably arranged at the front side and the rear side of the fixed block (8) through the pin shaft.
2. A mechanical water meter according to claim 1, wherein said mechanical water meter is adapted to automatically open said cover: the pressing mechanism (2) includes:
the tank body (21) is arranged at the top end of the right side of the inner wall of the tank body (1), and sliding grooves (22) are formed in the top ends of the left side and the right side of the inner wall of the tank body (21) along the front-back direction;
the two ends of the limiting rod (23) are respectively arranged on the front side and the rear side of the sliding chute (22);
the tension spring (24) is sleeved at the front end of the outer wall of the limiting rod (23), and one end of the tension spring (24) is clamped at the front end of the sliding groove (22);
the left side and the right side of the brake plate (25) are respectively slidably sleeved in the middle of the outer walls of the two limiting rods (23), the left side and the right side of the brake plate (25) are respectively embedded in the inner cavities of the two sliding grooves (22), the other ends of the two tension springs (24) are respectively clamped at the left end and the right end of the front side of the brake plate (25), the rear side of the top end of the brake plate (25) is provided with a first sliding groove (26) which penetrates up and down along the left-right direction, and the front side of the top end of the brake plate (25) is provided with a second sliding groove (27) which penetrates up and down along the left-right direction;
the left side of the first button (28) is sleeved on the right side of the outer wall of the front side supporting rod (4), the right side of the first button (28) penetrates through the bottoms of the left side and the right side of the box body (21) and the top of the right side of the tank body (1) to extend out of the inner cavity of the tank body (1), teeth meshed with the gear (91) are arranged at the bottom end of the left side of the outer wall of the first button (28), and the first button (28) is located below the brake plate (25);
the left side of the second button (29) is sleeved on the right side of the outer wall of the rear side supporting rod (4), the right side of the second button (29) penetrates through the bottoms of the left side and the right side of the box body (21) and the top of the right side of the tank body (1) to extend out of the inner cavity of the tank body (1), and the second button (29) is located below the brake plate (25);
the number of the sliding columns (210) is two, the two sliding columns (210) are respectively arranged at the top ends of the outer walls of the first button (28) and the second button (29), the sliding column (210) positioned at the top end of the outer wall of the first button (28) is embedded in the left side of the inner cavity of the second sliding groove (27), and the sliding column (210) positioned at the top end of the outer wall of the second button (29) is embedded in the right side of the inner cavity of the second sliding groove (27);
spring (211), the quantity of spring (211) is two, two spring (211) cup joints respectively in the outer wall right side of first button (28) and second button (29), and two spring (211) all sets up in the inner chamber of box (21), two the both ends of spring (211) joint respectively in the inner wall left side and two travelers (210) of box (21).
3. A mechanical water meter according to claim 1, wherein said mechanical water meter is adapted to automatically open said cover: the size of the meter cover (6) is the same as that of the top end of the tank body (1), and a rubber ring is arranged on the circumference of the meter cover (6).
4. A mechanical water meter according to claim 1, wherein said mechanical water meter is adapted to automatically open said cover: the length of the fixing block (8) is smaller than that of the inner cavity of the supporting block (7).
5. A mechanical water meter according to claim 2, wherein said mechanical water meter is adapted to automatically open said water meter cover, said mechanical water meter further comprising: the length of the inner cavity bulge of the second sliding groove (27) is larger than the diameter length of the sliding column (210).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021426135.1U CN213180151U (en) | 2020-07-20 | 2020-07-20 | Mechanical water meter capable of automatically opening water meter cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021426135.1U CN213180151U (en) | 2020-07-20 | 2020-07-20 | Mechanical water meter capable of automatically opening water meter cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213180151U true CN213180151U (en) | 2021-05-11 |
Family
ID=75794822
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021426135.1U Active CN213180151U (en) | 2020-07-20 | 2020-07-20 | Mechanical water meter capable of automatically opening water meter cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213180151U (en) |
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2020
- 2020-07-20 CN CN202021426135.1U patent/CN213180151U/en active Active
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| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210603 Address after: 201613 room 304, 3 / F, building 1, No. 85, Mingnan Road, Songjiang District, Shanghai Patentee after: Shanghai Fengtang Communication Technology Co.,Ltd. Address before: 657509 No.51, Wenxing street, Tantou Township, Yanjin County, Zhaotong City, Yunnan Province Patentee before: Wang Huajun |
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| TR01 | Transfer of patent right |