CN219811631U - Adjustable copper bar connecting piece - Google Patents
Adjustable copper bar connecting piece Download PDFInfo
- Publication number
- CN219811631U CN219811631U CN202321133809.2U CN202321133809U CN219811631U CN 219811631 U CN219811631 U CN 219811631U CN 202321133809 U CN202321133809 U CN 202321133809U CN 219811631 U CN219811631 U CN 219811631U
- Authority
- CN
- China
- Prior art keywords
- connecting piece
- main body
- piece main
- clamping groove
- fixedly connected
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 25
- 229910052802 copper Inorganic materials 0.000 title claims abstract description 25
- 239000010949 copper Substances 0.000 title claims abstract description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 238000009434 installation Methods 0.000 abstract description 5
- BGPVFRJUHWVFKM-UHFFFAOYSA-N N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] Chemical compound N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] BGPVFRJUHWVFKM-UHFFFAOYSA-N 0.000 description 6
- 239000002245 particle Substances 0.000 description 6
- 230000005389 magnetism Effects 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
Landscapes
- Clamps And Clips (AREA)
Abstract
The utility model belongs to the technical field of copper bar connectors, in particular to an adjustable copper bar connector which comprises a connector main body; the middle part of the connecting piece main body is rotationally connected with a first rotating shaft; two groups of mounting holes are formed in the middle of the connecting piece main body; the top of the connecting piece main body is provided with a first clamping groove; the top of the connecting piece main body is fixedly connected with a fixing piece; the fixing piece and the first clamping groove are arranged on the same horizontal line; a spring is arranged in the middle of the fixing piece; the top of the spring is fixedly connected with a fixing plate; the bottom of the fixed plate is provided with a fixed magnet; can connect the installation before the multiunit, reduce when the clearance between battery and the battery exists great space for a set of connecting piece main part receives certain connection restriction at the installation connection battery, thereby makes the staff appear trouble problem when installing the connecting piece main part, promotes the practicality of connecting piece main part.
Description
Technical Field
The utility model relates to the technical field of copper bar connectors, in particular to an adjustable copper bar connector.
Background
The copper bar connecting piece is suitable for various high-voltage appliances, vacuum appliances, mining explosion-proof switches, new energy automobiles and the like, and has the characteristics of large bearing current, small resistance value, voltage resistance after passing and the like.
The angle of the copper bar connecting piece can be adjusted according to the size of the new energy automobile battery by the adjustable copper bar connecting piece, so that the copper bar connecting piece is arranged on the new energy battery.
Through long-time observation, the existing copper bar connecting piece can only mount an independent battery, and when the placement gaps between the batteries are different, the copper bar connecting piece can limit the battery mounting to a certain extent, and certain trouble is caused to the mounting of the copper bar connecting piece; therefore, an adjustable copper bar connector is provided for solving the problems.
Disclosure of Invention
In order to overcome the defects in the prior art and solve at least one technical problem in the background art, the utility model provides an adjustable copper bar connecting piece.
The technical scheme adopted for solving the technical problems is as follows: the utility model relates to an adjustable copper bar connecting piece, which comprises a connecting piece main body; the middle part of the connecting piece main body is rotationally connected with a first rotating shaft; two groups of mounting holes are formed in the middle of the connecting piece main body; the top of the connecting piece main body is provided with a first clamping groove; the top of the connecting piece main body is fixedly connected with a fixing piece; the fixing piece and the first clamping groove are arranged on the same horizontal line; a spring is arranged in the middle of the fixing piece; the top of the spring is fixedly connected with a fixing plate; the bottom of the fixed plate is provided with a fixed magnet; the fixed magnet is matched with the shape of the first clamping groove; the fixing plate and the connecting piece main body are arranged in a mutually sucking way; the trouble problem appears in the staff when installing the connecting piece main part, promotes the practicality of connecting piece main part.
Preferably, the fixed magnetic top is fixedly connected with a second rotating shaft; the second rotating shaft is rotatably arranged in the middle of the fixed plate; two groups of rotating plates are fixedly connected to the middle part of the second rotating shaft; two groups of first clamping blocks are fixedly connected to the middle part of the fixed magnet; the first clamping block is arranged at the bottom of the fixed plate; the first clamping block is in fan-shaped arrangement; a second clamping groove matched with the first clamping block in shape is formed in the middle of the first clamping groove; and the flexibility of the fixed magnet when being connected with the first clamping groove is improved.
Preferably, the end part of the connecting piece main body is fixedly connected with a second clamping block; a third clamping groove matched with the second clamping block in shape is formed in the other end of the connecting piece main body; the second clamping block and the third clamping groove are in wave shapes; can reduce two sets of connecting piece main parts and appear controlling when being fixed by fixed magnetism and first draw-in groove and rock to influence the stability when two sets of connecting piece main parts use.
Preferably, the end part of the second clamping block is provided with a first magnet; the first magnet is fixedly connected to the end part of the second clamping block; a second magnet is arranged in the third clamping groove; the second magnet is fixedly connected to the inside of the third clamping groove; the second clamping block and the third clamping groove are arranged in a mutually sucking way; the problem that the second clamping block and the third clamping groove shake when closed because the gap between the second clamping block and the third clamping groove is larger can be solved and the abrasion is larger when the second clamping block and the third clamping groove are detached for a long time.
Preferably, a water stop plate is arranged at the top of the connecting piece main body; the water stop plate is fixedly connected with the top of the connecting piece main body; and the service life of the connecting piece main body is prolonged.
Preferably, a rubber positioning rod is arranged at the top of the connecting piece main body; the rubber positioning rod is fixedly connected with the top of the connecting piece main body; the other end of the rubber positioning rod is fixedly connected to the bottom of the fixed plate; the rubber positioning rod is arranged in the middle of the spring; the position deviation of the spring after long-time use can be reduced, so that the stability of the fixed magnet and the fixed plate when closed is affected.
The utility model has the advantages that:
1. according to the adjustable copper bar connecting piece, the fixing plate is arranged in the middle of the connecting piece main body, so that a plurality of groups of front connecting pieces can be connected and installed, when a large space exists between batteries, the situation that a group of connecting piece main bodies are connected with the batteries in a certain connection limit is reduced, the trouble problem occurs when workers install the connecting piece main bodies, and the practicability of the connecting piece main body is improved.
2. According to the adjustable copper bar connecting piece, the two groups of first clamping blocks are arranged in the middle of the fixed magnet, so that the phenomenon that the fixed magnet slides down from the middle of the first clamping groove due to insufficient elasticity after the fixed magnet and the first clamping groove are used for a long time can be reduced, the stability of a plurality of groups of connecting piece main bodies in fixing is affected, meanwhile, when the fixed magnet and the first clamping groove are required to be separated and detached, the fixed magnet is taken out by rotating the rotating plate, and the flexibility of the fixed magnet in connection with the first clamping groove is improved.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained from these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic perspective sectional view of the present utility model;
FIG. 3 is a schematic diagram of a fixed magnetic structure in accordance with the present utility model;
FIG. 4 is an enlarged view at A of FIG. 2;
FIG. 5 is a schematic view of the structure of the anti-slip particles of the present utility model.
In the figure: 1. a connector body; 11. a rotating shaft; 12. a mounting hole; 13. a first clamping groove; 14. a fixing member; 15. a spring; 16. a fixing plate; 17. fixing magnetism; 2. a rotating shaft; 21. a rotating plate; 22. a first clamping block; 23. a second clamping groove; 3. a second clamping block; 31. a third clamping groove; 4. a first magnet; 41. a second magnet; 5. a water-stop plate; 6. a rubber positioning rod; 7. anti-slip particles.
Description of the embodiments
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1 and 3, an adjustable copper bar connector comprises a connector body 1; the middle part of the connecting piece main body 1 is rotatably connected with a first rotating shaft 11; two groups of mounting holes 12 are formed in the middle of the connecting piece main body 1; the top of the connecting piece main body 1 is provided with a first clamping groove 13; the top of the connecting piece main body 1 is fixedly connected with a fixing piece 14; the fixing piece 14 and the first clamping groove 13 are arranged on the same horizontal line; a spring 15 is arranged in the middle of the fixing piece 14; a fixed plate 16 is fixedly connected to the top of the spring 15; the bottom of the fixed plate 16 is provided with a fixed magnet 17; the fixed magnet 17 is matched with the shape of the first clamping groove 13; the fixing plate 16 and the connecting piece main body 1 are arranged in a mutually sucking way; during operation, a worker needs to place the connector body 1 and the top of the battery on the same plane, then install and fix the connection part of the two groups of mounting holes 12 and the battery, when the installation gaps between the batteries are different, by arranging the fixing plate 16 in the middle of the connector body 1, then pulling the top of the fixing plate 16 to enable the spring 15 to be in a deformed shape and generate elastic force, at the moment, aligning the other group of connector bodies 1 with the end part of the group of connector bodies 1, then loosening the fixing plate 16, matching with the elastic force when the spring 15 is pulled, enabling the fixing magnet 17 to be close to the first clamping groove 13, generating the force of mutual attraction after the fixing magnet 17 is close to the first clamping groove 13, fixing the fixing magnet 17 in the first clamping groove 13, and repeatedly conducting the connection between the groups of connector bodies 1, the step can connect and install the groups before the groups, so that when the gap between the batteries is in a larger space, the group of connector bodies 1 is limited in connection when the installation of the connector bodies, the worker is in a certain connection limitation, and the problem of troublesome connector bodies 1 is caused when the worker installs the connector bodies 1 is lifted.
As shown in fig. 3, the top of the fixed magnet 17 is fixedly connected with a second rotating shaft 2; the second rotating shaft 2 is rotatably arranged in the middle of the fixed plate 16; two groups of rotating plates 21 are fixedly connected to the middle part of the second rotating shaft 2; two groups of first clamping blocks 22 are fixedly connected to the middle of the fixed magnet 17; the first clamping block 22 is arranged at the bottom of the fixed plate 16; the first clamping block 22 is in a fan-shaped arrangement; a second clamping groove 23 matched with the first clamping block 22 in shape is formed in the middle of the first clamping groove 13; when the fixed magnet 17 and the first clamping groove 13 need to be closed, two groups of first clamping blocks 22 are arranged in the middle of the fixed magnet 17, then the fixed magnet 17 is aligned with the first clamping groove 13, the fixed magnet 17 is clamped in the middle of the first clamping groove 13 for preliminary fixing, the rotating plate 21 is rotated at the moment, the first clamping blocks 22 are clamped at the bottom of the second clamping groove 23, and therefore the fixed magnet 17 and the first clamping groove 13 are reinforced, the phenomenon that the fixed magnet 17 slides from the middle of the first clamping groove 13 due to insufficient elastic force after the fixed magnet 17 and the first clamping groove 13 are used for a long time can be reduced, the stability of the multiple groups of connecting piece main bodies 1 in fixing is affected, and meanwhile, when the fixed magnet 17 and the first clamping groove 13 need to be separated and detached, the rotating plate 21 can take out the fixed magnet 17, so that the flexibility of the fixed magnet 17 and the first clamping groove 13 in connection is improved.
As shown in fig. 1 and 2, the end part of the connector main body 1 is fixedly connected with a second clamping block 3; a third clamping groove 31 matched with the second clamping block 3 in shape is formed in the other end of the connecting piece main body 1; the second clamping block 3 and the third clamping groove 31 are in wave shapes; during operation, when the two sets of connecting piece main parts 1 appear slightly rocking after the installation is accomplished, through being provided with second fixture block 3 at connecting piece main part 1 tip, insert second fixture block 3 in another group connecting piece main part 1's the inside of third draw-in groove 31 afterwards to consolidate the position of two sets of connecting piece main parts 1, this step is wavy setting because of second fixture block 3 and third draw-in groove 31, can reduce two sets of connecting piece main parts 1 and appear controlling rocking when being fixed by fixed magnetism 17 and first draw-in groove 13, thereby influences the stability when two sets of connecting piece main parts 1 use.
As shown in fig. 2 and 4, the end of the second clamping block 3 is provided with a first magnet 4; the first magnet 4 is fixedly connected to the end part of the second clamping block 3; a second magnet 41 is disposed in the third slot 31; the second magnet 41 is fixedly connected to the inside of the third clamping groove 31; the second clamping block 3 and the third clamping groove 31 are arranged in a mutually sucking way; during operation, when the second clamping block 3 and the third clamping groove 31 are in a closed state, the first magnet 4 is arranged in the middle of the second clamping block 3, so that the first magnet 4 generates a force of mutual attraction when being close to the second magnet 41, the second clamping block 3 and the third clamping groove 31 are reinforced, the abrasion of the second clamping block 3 and the third clamping groove 31 caused by long-time disassembly and use can be reduced, the gap between the second clamping block 3 and the third clamping groove 31 is larger, and the problem of shaking occurs when the second clamping block 3 and the third clamping groove 31 are closed is caused.
As shown in fig. 1 and 2, the top of the connector main body 1 is provided with a water stop plate 5; the waterproof board 5 is fixedly connected with the top of the connecting piece main body 1; when the automobile runs in rainy days, the waterproof plate 5 is arranged at the top of the connecting piece main body 1, so that the dropped rainwater is blocked, the step can reduce that the rainwater is directly dropped at the middle part of the connecting piece main body 1, the problem of rust in the middle part of the connecting piece main body 1 is caused after the rainwater is dropped for a long time, and the service life of the connecting piece main body 1 is prolonged.
As shown in fig. 3, a rubber positioning rod 6 is arranged at the top of the connector main body 1; the rubber positioning rod 6 is fixedly connected with the top of the connecting piece main body 1; the other end of the rubber positioning rod 6 is fixedly connected to the bottom of the fixed plate 16; the rubber positioning rod 6 is arranged in the middle of the spring 15; when the spring 15 is bent or deflected after long-time use, the rubber positioning rod 6 is arranged in the middle of the spring 15, so that the bent spring 15 is subjected to position correction, and the position deflection of the spring 15 after long-time use can be reduced, so that the stability of the fixed magnet 17 and the fixed plate 16 when closed is affected.
As shown in fig. 5, the middle part of the first clamping groove 13 is provided with anti-slip particles 7; the anti-skid particles 7 are arranged in the middle of the first clamping groove 13; when the first clamping block 22 and the second clamping groove 23 are rotationally closed, the anti-slip particles 7 are arranged in the middle of the first clamping groove 13, so that the first clamping block 22 is contacted with the anti-slip particles 7 when the first clamping block 22 is rotated, friction force between the first clamping block 22 and the second clamping groove 23 can be improved, and stability of the first clamping block 22 and the second clamping groove 23 in closing can be improved.
The working principle is that the connecting piece main body 1 and the top of the battery are placed on the same plane, then the two groups of mounting holes 12 and the current connection part of the battery are mounted and fixed, when the mounting gaps between the batteries are different, the fixing plate 16 is arranged in the middle of the connecting piece main body 1, then the top of the fixing plate 16 is pulled to enable the spring 15 to be in a deformed shape, and elastic force is generated, at the moment, the other group of connecting piece main body 1 is aligned with the end part of the group of connecting piece main body 1, then the fixing plate 16 is released, the fixing magnet 17 is close to the first clamping groove 13 in cooperation with the elastic force when the spring 15 is pulled, when the fixing magnet 17 is close to the first clamping groove 13, the mutual attraction force is generated, so that the fixing magnet 17 is fixed in the first clamping groove 13, the connection of the groups of connecting piece main bodies 1 is repeated, the two groups of first clamping blocks 22 are arranged in the middle of the fixing magnet 17, the fixing magnet 17 is then aligned with the first clamping groove 13, the fixing magnet 17 is clamped in the middle of the first clamping groove 13 for preliminary fixing, the rotating plate 21 is rotated at this time, the first clamping block 22 is clamped at the bottom of the second clamping groove 23, the fixing magnet 17 and the first clamping groove 13 are reinforced, the second clamping block 3 is arranged at the end part of the connecting piece main body 1, then the second clamping block 3 is inserted into the third clamping groove 31 in the other group of connecting piece main bodies 1, the positions of the two groups of connecting piece main bodies 1 are reinforced, the first magnet 4 is arranged in the middle of the second clamping block 3, the first magnet 4 generates a force of mutual attraction when approaching the second magnet 41, the second clamping block 3 and the third clamping groove 31 are reinforced, the water stop plate 5 is arranged at the top of the connecting piece main body 1, so that dropped rainwater is blocked, the bent spring 15 is subjected to position correction by providing the rubber positioning rod 6 in the middle of the spring 15.
In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.
Claims (6)
1. An adjustable copper bar connector comprises a connector body (1); the middle part of the connecting piece main body (1) is rotationally connected with a first rotating shaft (11); two groups of mounting holes (12) are formed in the middle of the connecting piece main body (1); the method is characterized in that: a first clamping groove (13) is formed in the top of the connecting piece main body (1); a fixing piece (14) is fixedly connected to the top of the connecting piece main body (1); the fixing piece (14) and the first clamping groove (13) are arranged on the same horizontal line; a spring (15) is arranged in the middle of the fixing piece (14); a fixed plate (16) is fixedly connected to the top of the spring (15); a fixed magnet (17) is arranged at the bottom of the fixed plate (16); the fixed magnet (17) is matched with the shape of the first clamping groove (13); the fixing plate (16) and the connecting piece main body (1) are arranged in a mutually sucking way.
2. An adjustable copper bar connector as defined in claim 1, wherein: the top of the fixed magnet (17) is fixedly connected with a second rotating shaft (2); the second rotating shaft (2) is rotatably arranged in the middle of the fixed plate (16); two groups of rotating plates (21) are fixedly connected to the middle part of the second rotating shaft (2); two groups of first clamping blocks (22) are fixedly connected to the middle of the fixed magnet (17); the first clamping block (22) is arranged at the bottom of the fixed plate (16); the first clamping block (22) is in fan-shaped arrangement; the middle part of the first clamping groove (13) is provided with a second clamping groove (23) which is matched with the first clamping block (22) in shape.
3. An adjustable copper bar connector as defined in claim 2, wherein: the end part of the connecting piece main body (1) is fixedly connected with a second clamping block (3); a third clamping groove (31) matched with the second clamping block (3) in shape is formed in the other end of the connecting piece main body (1); the second clamping block (3) and the third clamping groove (31) are in wave shapes.
4. An adjustable copper bar connector according to claim 3, wherein: the end part of the second clamping block (3) is provided with a first magnet (4); the first magnet (4) is fixedly connected to the end part of the second clamping block (3); a second magnet (41) is arranged in the third clamping groove (31); the second magnet (41) is fixedly connected to the inside of the third clamping groove (31); the second clamping block (3) and the third clamping groove (31) are arranged in a mutually sucking mode.
5. The adjustable copper bar connector of claim 4, wherein: the top of the connecting piece main body (1) is provided with a water stop plate (5); the waterproof plate (5) is fixedly connected with the top of the connecting piece main body (1).
6. The adjustable copper bar connector of claim 5, wherein: a rubber positioning rod (6) is arranged at the top of the connecting piece main body (1); the rubber positioning rod (6) is fixedly connected with the top of the connecting piece main body (1); the other end of the rubber positioning rod (6) is fixedly connected to the bottom of the fixed plate (16); the rubber positioning rod (6) is arranged in the middle of the spring (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321133809.2U CN219811631U (en) | 2023-05-12 | 2023-05-12 | Adjustable copper bar connecting piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321133809.2U CN219811631U (en) | 2023-05-12 | 2023-05-12 | Adjustable copper bar connecting piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219811631U true CN219811631U (en) | 2023-10-10 |
Family
ID=88213059
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321133809.2U Active CN219811631U (en) | 2023-05-12 | 2023-05-12 | Adjustable copper bar connecting piece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219811631U (en) |
-
2023
- 2023-05-12 CN CN202321133809.2U patent/CN219811631U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205985557U (en) | Electric connector's electric connection structure and electric connector | |
| CN219811631U (en) | Adjustable copper bar connecting piece | |
| CN202100912U (en) | Installing structure of power line fault communication terminal | |
| CN107742691B (en) | Wiring mechanism for battery box | |
| CN102544845A (en) | Slot type connector for high potential trigger plate | |
| CN208034515U (en) | A kind of positioning fixture and assembling equipment | |
| CN212011608U (en) | Anti-static grounding equipment for low-voltage power distribution cabinet | |
| CN209870728U (en) | Unmanned aerial vehicle for engineering exploration monitoring | |
| CN201963090U (en) | Hinge | |
| CN211958679U (en) | Sealing device | |
| CN107658400B (en) | Electric automobile battery box convenient to change battery | |
| CN206877763U (en) | A kind of support insulator fixed mount | |
| CN201118411Y (en) | Permanent magnetic DC brush electromotor | |
| CN220711085U (en) | Spacer rod | |
| CN211456336U (en) | Block terminal support of easily assembling | |
| CN217282114U (en) | High-voltage warning ball mounted on high-voltage overhead transmission line | |
| CN104388985B (en) | Direct-current short circuit switchs the installation method being connected with copper bus-bar | |
| CN214985632U (en) | Flexible woven chassis mechanism for network management | |
| CN211790386U (en) | Ring main unit convenient to install | |
| CN210838692U (en) | Temporary device for replacing insulating porcelain insulator in live-line manner | |
| CN219801319U (en) | Terminal rubber shell convenient to install | |
| CN107654555A (en) | A kind of attachment structure of gas spring and dirt-proof boot | |
| CN220527639U (en) | Quick connection clamp for preventing bird damage | |
| CN217874970U (en) | Intelligent transformer monitoring device | |
| CN219571706U (en) | Precise engineering truck tail lamp cover |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |