CN220021252U - Water cooling plate fixing device, water cooling plate and water cooling system - Google Patents
Water cooling plate fixing device, water cooling plate and water cooling system Download PDFInfo
- Publication number
- CN220021252U CN220021252U CN202320409143.2U CN202320409143U CN220021252U CN 220021252 U CN220021252 U CN 220021252U CN 202320409143 U CN202320409143 U CN 202320409143U CN 220021252 U CN220021252 U CN 220021252U
- Authority
- CN
- China
- Prior art keywords
- cooling plate
- water cooling
- clamping
- water
- fixing device
- 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
- 238000001816 cooling Methods 0.000 title claims abstract description 137
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 102
- 239000000758 substrate Substances 0.000 claims abstract description 39
- 238000003466 welding Methods 0.000 abstract description 21
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000009434 installation Methods 0.000 description 7
- 229910052782 aluminium Inorganic materials 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000013011 mating Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The utility model discloses a water cooling plate fixing device, a water cooling plate and a water cooling system. The water cooling plate fixing device comprises a mounting substrate and a clamping structure, wherein a positioning part is arranged on the mounting substrate; the clamping structure is in welded connection with the mounting substrate and corresponds to the positioning portion, and the clamping structure is provided with a clamping portion which is suitable for being matched with the matching portion on the water cooling plate in a clamping mode. According to the scheme provided by the utility model, the mounting substrate is not directly welded with the water-cooled plate, but is connected through the clamping structure, so that the welding area of the clamping structure and the mounting substrate can be larger, the welding operation is more convenient to carry out, and the welding quality is also more ensured; moreover, the water cooling plate is fixed on the mounting substrate through the clamping connection part and the matching part on the water cooling plate, so that the water cooling plate is more convenient to assemble and disassemble and more convenient to operate, the production efficiency can be obviously and effectively improved, and the processing technology is simpler, so that the production cost can be effectively reduced.
Description
Technical Field
The utility model relates to the technical field of new energy battery water cooling devices, in particular to a water cooling plate fixing device, a water cooling plate and a water cooling system.
Background
At present, the grounding structure of the conventional water cooling plate is a part connected with an aluminum strip, and the water cooling plate and the connected aluminum strip are fixedly connected by laser welding on an assembly line. The small welding space of the contact surface of the connecting aluminum strip and the water-cooling plate is insufficient, so that the welding process requirement on the grounding assembly line of the water-cooling plate is relatively high. The welding surface is uneven due to machining and installation errors between each water cooling plate, so that the connecting aluminum plate is deformed, and the welding position can be loosened due to vibration and other reasons in the running process of the automobile, so that the safety performance is affected. And the assembly time is long, the process requirement is high, and the whole production cost is also improved.
Disclosure of Invention
Therefore, the technical problem to be solved by the utility model is that the welding surface of the traditional water-cooled plate fixing device is small, so that the welding process requirement is high, the welding quality is not ensured, and the production cost is influenced.
In order to solve the above technical problems, the present utility model provides a water cooling plate fixing device, including:
the mounting substrate is provided with a positioning part;
the clamping structure is in welded connection with the mounting substrate and corresponds to the positioning part, and the clamping structure is provided with a clamping part which is suitable for being matched with the matching part on the water cooling plate in a clamping way.
Optionally, the clamping structure includes the joint spare, joint portion is including locating two centre gripping arms on the joint spare, two the centre gripping arm is relative interval setting to be suitable for the centre gripping in the both sides of water-cooling board, and with cooperation portion looks joint cooperation.
Optionally, the joint piece includes connecting in two between the centre gripping arm the linkage segment, the linkage segment with the mounting substrate welds mutually, two the centre gripping arm be parallel set up in the both ends of linkage segment.
Optionally, each clamping arm is arranged in a wave shape, at least part of each clamping arm is provided with a groove, the notch of the groove on each clamping arm is arranged oppositely, and the groove is suitable for being clamped and matched with the matching part on the water cooling plate; and/or the number of the groups of groups,
the two clamping arms are elastically arranged, and the distance between the two clamping arms is suitable for being smaller than the thickness of the water cooling plate.
Optionally, the free ends of the two clamping arms are bent towards the direction away from each other; and/or the number of the groups of groups,
the two clamping arms are bent towards the direction approaching each other at one side of the groove, which is close to the connecting section.
Optionally, the positioning portion is configured as a positioning hole that penetrates through the mounting substrate.
Optionally, a plurality of positioning parts are provided, and the plurality of positioning parts are arranged at intervals along the length direction of the mounting substrate; the clamping structures are provided with a plurality of clamping structures, and the clamping structures and the positioning parts are arranged in one-to-one correspondence.
The utility model also provides a water cooling plate, which comprises a water cooling plate main body and a matching part arranged on the water cooling plate, wherein the matching part is suitable for being clamped and matched with the water cooling plate fixing device, so that the water cooling plate main body can be fixed on the water cooling plate fixing device.
Optionally, the matching portion includes at least two clamping protrusions protruding from the water-cooling plate main body, and the at least two clamping protrusions are respectively located at two sides of the water-cooling plate main body along the thickness direction.
The utility model also provides a water cooling system, comprising:
the water cooling plate fixing device is arranged on the water cooling plate;
the water cooling plate is characterized in that the matching part on the water cooling plate is matched with the clamping part of the water cooling plate fixing device in a clamping way, so that the water cooling plate is fixed on the water cooling plate fixing device.
The technical scheme provided by the utility model has the following advantages:
the water cooling plate fixing device comprises a mounting substrate and a clamping structure, wherein the mounting substrate is a grounding structure, a positioning part is arranged on the mounting substrate, the clamping structure is welded with the mounting substrate, and the clamping structure can be rapidly positioned through the positioning part when being welded, so that the clamping structure can be rapidly fixed on the mounting substrate, the mounting substrate is not directly welded with the water cooling plate, and the clamping structure is connected with the mounting substrate, so that the welding area of the clamping structure and the mounting substrate can be larger, the welding operation is more convenient, and the welding quality is also more ensured; moreover, be equipped with joint portion on joint structure, through joint portion and the cooperation portion looks joint cooperation on the water-cooling board to be fixed in the installation base plate with the water-cooling board on, make the dismouting of water-cooling board more convenient, the operation is more convenient moreover, obviously can effectively improve production efficiency, moreover, processing technology is simpler, consequently, can effectively reduce manufacturing cost.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a water cooling system according to an embodiment of the present utility model;
FIG. 2 is an enlarged schematic view of detail A in FIG. 1;
FIG. 3 is a schematic view of another enlarged construction of the water cooling system shown in FIG. 1;
fig. 4 is a schematic structural diagram of an embodiment of the fastening structure shown in fig. 1.
Reference numerals illustrate:
1000-a water cooling system; 100-a water cooling plate fixing device; 1-mounting a substrate; 11-a positioning part; 111-positioning holes; 2-clamping structure; 21-a clamping piece; 211-clamping arms; 2111-grooves; 212-connecting segments; 200-water cooling plates; 201-mating part; 2011-card convex.
Detailed Description
The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. The utility model will be described in detail hereinafter with reference to the drawings in conjunction with embodiments. It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.
It should be noted that the terms "first," "second," and the like in the description and the claims of the present utility model and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order.
In the present utility model, unless otherwise indicated, terms of orientation such as "upper, lower, top, bottom" are used generally with respect to the orientation shown in the drawings or with respect to the component itself in the vertical, upright or gravitational direction; also, for ease of understanding and description, "inner and outer" refers to inner and outer relative to the profile of each component itself, but the above-mentioned orientation terms are not intended to limit the present utility model.
The utility model provides a water-cooling plate fixing device 100, please refer to fig. 1 to 2, the water-cooling plate fixing device 100 comprises a mounting substrate 1 and a clamping structure 2, a positioning part 11 is arranged on the mounting substrate 1, the clamping structure 2 and the mounting substrate 1 are welded and fixed, and the clamping structure 2 and the positioning part 11 are correspondingly arranged, so that the welding position of the clamping structure 2 can be rapidly determined through the positioning part 11, and the alignment is faster and more accurate; and still be equipped with on the joint structure 2 be suitable for with the cooperation portion 201 looks joint complex joint portion on the water-cooling board 200, through joint portion and the cooperation portion 201 looks joint complex on the water-cooling board 200 to be fixed in on the installation base plate 1 with the water-cooling board 200, make the dismouting of water-cooling board 200 more convenient, installation base plate 1 does not weld with the water-cooling board 200 directly, and through joint structure 2 is connected, makes joint structure 2 can with the welding area of installation base plate 1 can set up bigger, consequently more be convenient for carry out welding operation, processing technology is simpler, thereby welding quality also has more assurance, can effectively improve production efficiency moreover, reduction in production cost.
Preferably, as shown in fig. 2 and 3, the clamping structure 2 includes a clamping member 21, the clamping portion includes two clamping arms 211 disposed on the clamping member 21, and the two clamping arms 211 are disposed at opposite intervals, so as to be suitable for clamping on two sides of the water-cooling plate 200 and being in clamping fit with the matching portion 201, so that the water-cooling plate 200 is clamped and fixed on the mounting substrate 1 by the two clamping arms 211, so that the water-cooling plate 200 is more convenient to fix.
Further, as shown in fig. 3 and fig. 4, the clamping member 21 further includes a connecting section 212 connected between the two clamping arms 211, the connecting section 212 is welded to the mounting substrate 1, and the two clamping arms 211 are disposed at two ends of the connecting section 212 in parallel. For example, the mounting substrate 1 may extend in a horizontal direction, the mounting substrate 1 is in a strip shape, the connection section 212 is attached to the bottom of the mounting substrate 1, the length of the connection section 212 is extended in the length direction of the mounting substrate 1, the setting length of the connection section 212 may be set according to the welding reliability, so that the connection section 212 and the mounting substrate 1 are ensured to have enough welding area, one ends of the two clamping arms 211 are respectively provided at two ends of the connection section 212, the other ends of the two clamping arms 211 are provided with free ends which extend in the vertical direction, the water cooling plate 200 may be clamped between the two clamping arms 211, and the free ends of the two clamping arms 211 are in close contact with the water cooling plate 200, so that the mounting is more convenient, and reliable grounding is formed.
Preferably, the connecting section 212 and the two clamping arms 211 are integrally provided, and the two clamping arms 211 are elastically provided, for example, made of sheet metal material, so that the assembly is more convenient. Therefore, the distance between the two clamping arms 211 may be set to be smaller than the thickness of the water-cooled plate 200 to be clamped, so that when the water-cooled plate 200 is clamped between the two clamping arms 211, the two clamping arms 211 may provide a certain elastic pressing force on the water-cooled plate 200, so that the water-cooled plate 200 is more firmly fixed, and meanwhile, the two clamping arms 211 may be in close contact with the water-cooled plate 200, so as to ensure a better grounding effect.
As shown in fig. 4, each clamping arm 211 is provided in a wavy manner, at least part of each clamping arm 211 is formed with a groove 2111, the notches of the grooves 2111 on the two clamping arms 211 are provided opposite to each other, the grooves 2111 are suitable for being in clamping fit with the matching parts 201 on the water-cooling plate 200, preferably, the matching parts 201 on the water-cooling plate 200 can be provided with clamping protrusions 2011, the two grooves 2111 can be respectively used for clamping the two clamping protrusions 2011 on the water-cooling plate 200, so that the grooves 2111 and the clamping protrusions 2011 can be clamped while clamping two sides of the water-cooling plate 200, so that the water-cooling plate 200 can be limited in both the left-right direction and the up-down direction, and thus the fixing is reliable.
Moreover, the curved shape of each clamping arm 211 is matched with the shape of the side surface of the water-cooling plate 200 provided with the matching part 201, so that each clamping arm 211 can be tightly attached to the corresponding side surface of the water-cooling plate 200, the fixing is more reliable, and the grounding is more convenient. Preferably, two of the clamping arms 211 are curved toward each other on a side of the groove 2111 adjacent to the connecting section 212. Because the mating portion 201 is a protruding clamping portion 2011 disposed on the water-cooled plate 200, after the protruding clamping portion 2011 is clamped in the groove 2111, the portion of each clamping arm 211 located at the upper end of the groove 2111 is bent towards the two inner portions of the clamping arms 211, and the two clamping arms 211 are bent along the outer sides of the protruding clamping portion 2011, so that the portion of the clamping arm 211 located at the peripheral side of the groove 2111 can be more attached to the side wall of the water-cooled plate 200 while sufficient clamping amount between the protruding clamping portion 2011 and the groove 2111 is ensured, and therefore clamping force is greater and grounding effect at the contact position is better. The bending depth of the groove of each clamping arm 211 may be set according to the height of the protrusion of the clamping protrusion 2011 on the water-cooling plate 200, which is not limited herein, so as to ensure the firm clamping and make the clamping protrusion 2011 be convenient to separate from the groove 2111. Of course, the arrangement form of the clamping portion is not limited to the above-mentioned one, in other embodiments, a plurality of grooves 2111 may be provided on one of the clamping arms 211, the plurality of grooves 2111 may be sequentially arranged along the length direction of each of the clamping arms 211, corresponding to each of the water cooling plates 200, a plurality of clamping protrusions 2011 may be provided on the same side thereof, and the plurality of clamping protrusions 2011 may be clamped with the plurality of grooves 2111 in a one-to-one correspondence manner, so that the connection may be more reliable.
Further, the free ends of the two clamping arms 211 are bent towards the direction away from each other, so that when the water cooling plate 200 is clamped in the clamping structure 2 from the free ends of the two clamping arms 211, the free ends of the clamping arms 211 bent towards two sides can guide the water cooling plate 200, so that the water cooling plate 200 is more smoothly installed.
Further, as shown in fig. 1 and 2, a plurality of the positioning portions 11 may be provided on each of the mounting substrates 1, the plurality of positioning portions 11 being arranged at intervals in the longitudinal direction of the mounting substrate 1; the clamping structures 2 are provided with a plurality of clamping structures 2 and a plurality of positioning parts 11 in one-to-one correspondence, so that a plurality of water cooling plates 200 can be arranged on the clamping structures to adapt to the requirements of battery components.
Preferably, the positioning portion 11 is configured as a positioning hole 111, and the positioning hole 111 is formed along the vertical direction of the mounting substrate 1 and penetrates through the mounting substrate 1, so that when the clamping piece 21 is welded, the welding condition can be observed more conveniently, and the clamping piece 21 can find the mounting position quickly, so that the assembly is quicker.
Correspondingly, the utility model also provides a water cooling plate 200, and the water cooling plate 200 is suitable for being matched with the water cooling plate fixing device 100, so that the water cooling plate 200 can be better and more conveniently fixed on the water cooling plate fixing device 100. Preferably, the water cooling plate 200 includes a water cooling plate main body, and a mating portion 201 disposed on the water cooling plate main body, where the mating portion 201 is adapted to be engaged with the engaging portion of the water cooling plate fixing device 100, so that the water cooling plate 200 can be fixed on the water cooling plate fixing device 100, and installation and disassembly of the water cooling plate 200 are more convenient.
Preferably, the engaging portion 201 includes at least two clamping protrusions 2011 disposed on the water-cooling plate body, the water-cooling plate body is disposed substantially in a cuboid, one end of the water-cooling plate body along the length direction is clamped on the water-cooling plate fixing device 100, preferably, one end of the water-cooling plate 200 along the length direction is provided with two clamping protrusions 2011, the two clamping protrusions 2011 are respectively disposed on two sides of the water-cooling plate 200 along the thickness direction, and the two clamping protrusions 2011 are respectively clamped and engaged with the grooves 2111 on the two clamping arms 211. When the water cooling plate 200 is installed, the water cooling plate 200 can be pushed upwards from the bottom open ends of the two clamping arms 211, the two clamping arms 211 can be elastically deformed to open to two sides under the action of the water cooling plate 200, after the two clamping protrusions 2011 of the water cooling plate 200 are clamped in the grooves 2111 of the two elastic arms, the two clamping arms 211 reset under the action of elastic restoring force and are clamped and attached to the outer side wall of the water cooling plate 200, so that the water cooling plate 200 is fixed, and the installation is convenient.
As shown in fig. 1 and fig. 2, the present utility model further provides a water cooling system 1000, where the water cooling system 1000 includes the water cooling plate fixing device 100 and the water cooling plate 200 disposed on the water cooling plate fixing device 100, and the water cooling plate 200 is clamped and matched with the clamping portion on the water cooling plate fixing device 100 through the matching portion 201 of the water cooling plate 200, so that the water cooling plate 200 can be fixed more stably and rapidly, and the assembly efficiency is higher and the production cost is lower.
It will be apparent that the embodiments described above are merely some, but not all, embodiments of the utility model. Based on the embodiments of the present utility model, those skilled in the art may make other different changes or modifications without making any creative effort, which shall fall within the protection scope of the present utility model.
Claims (10)
1. A water-cooled panel securing device, comprising:
the mounting substrate is provided with a positioning part;
the clamping structure is in welded connection with the mounting substrate and corresponds to the positioning part, and the clamping structure is provided with a clamping part which is suitable for being matched with the matching part on the water cooling plate in a clamping way.
2. The water cooling plate fixing device according to claim 1, wherein the clamping structure comprises a clamping piece, the clamping portion comprises two clamping arms arranged on the clamping piece, and the two clamping arms are arranged at opposite intervals and are suitable for clamping on two sides of the water cooling plate and are in clamping fit with the matching portion.
3. The water cooling plate fixing device according to claim 2, wherein the clamping member comprises a connecting section connected between the two clamping arms, the connecting section is welded with the mounting substrate, and the two clamping arms are arranged at two ends of the connecting section in parallel.
4. The water-cooling plate fixing device according to claim 3, wherein each clamping arm is arranged in a wave shape, at least part of each clamping arm is provided with a groove, the notches of the grooves on two clamping arms are arranged oppositely, and the grooves are suitable for being clamped and matched with the matching parts on the water-cooling plate; and/or the number of the groups of groups,
the two clamping arms are elastically arranged, and the distance between the two clamping arms is suitable for being smaller than the thickness of the water cooling plate.
5. The water cooling plate fixing device according to claim 4, wherein the free ends of the two clamping arms are bent in directions away from each other; and/or the number of the groups of groups,
the two clamping arms are bent towards the direction approaching each other at one side of the groove, which is close to the connecting section.
6. The water cooling plate fixing device as claimed in claim 1, wherein the positioning portion is provided in the form of a positioning hole provided through the mounting substrate.
7. The water-cooling plate fixing device according to claim 1, wherein a plurality of positioning portions are provided, and a plurality of positioning portions are provided at intervals along the length direction of the mounting substrate; the clamping structures are provided with a plurality of clamping structures, and the clamping structures and the positioning parts are arranged in one-to-one correspondence.
8. The water cooling plate is characterized by comprising a water cooling plate main body and a matching part arranged on the water cooling plate main body, wherein the matching part is suitable for being matched with a clamping part on the water cooling plate fixing device in a clamping way, so that the water cooling plate can be fixed on the water cooling plate fixing device.
9. The water cooling plate according to claim 8, wherein the engaging portion includes at least two engaging protrusions protruding from the water cooling plate body, the at least two engaging protrusions being located on both sides of the water cooling plate body in a thickness direction thereof, respectively.
10. A water cooling system, comprising:
the water-cooled panel fixture of any one of claims 1 to 7;
the water cooling plate as claimed in claims 8 and 9, wherein the engagement portion of the water cooling plate is engaged with the engagement portion of the water cooling plate fixing means to fix the water cooling plate to the water cooling plate fixing means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320409143.2U CN220021252U (en) | 2023-03-07 | 2023-03-07 | Water cooling plate fixing device, water cooling plate and water cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320409143.2U CN220021252U (en) | 2023-03-07 | 2023-03-07 | Water cooling plate fixing device, water cooling plate and water cooling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220021252U true CN220021252U (en) | 2023-11-14 |
Family
ID=88671876
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320409143.2U Active CN220021252U (en) | 2023-03-07 | 2023-03-07 | Water cooling plate fixing device, water cooling plate and water cooling system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220021252U (en) |
-
2023
- 2023-03-07 CN CN202320409143.2U patent/CN220021252U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101866042B (en) | Heliostat facet | |
| CN220021252U (en) | Water cooling plate fixing device, water cooling plate and water cooling system | |
| CN219457916U (en) | Insulating support and battery module | |
| CN102105035A (en) | Radiating module | |
| CN214068935U (en) | PCB contact pin and dc-to-ac converter | |
| CN113258868B (en) | Nut and photovoltaic module's encapsulation frame | |
| CN214797636U (en) | Battery module, battery package and vehicle | |
| CN215398461U (en) | Bending type double-controller mounting bracket | |
| JP2014185421A (en) | Solar battery panel installation frame | |
| JP2018025013A (en) | Unevenness adjustment metal fitting and roof structure | |
| CN201075551Y (en) | Electric connector assembly | |
| WO2021012919A1 (en) | Metal contact structure, electrical connection component and electronic device | |
| CN109534418B (en) | Household water treatment equipment and installation method thereof | |
| CN218941028U (en) | Photovoltaic cleans robot bridge connecting piece and side bridging frame | |
| CN116034539A (en) | Support for photovoltaic modules | |
| CN220511075U (en) | Conductive structure for photovoltaic module | |
| CN221321551U (en) | Wall body reentrant corner mounting structure | |
| CN220306884U (en) | Trapezoidal die block pressure crane span structure of intensity | |
| CN219267907U (en) | Photovoltaic module grounding device and photovoltaic system | |
| CN218269345U (en) | Box, off-premises station and air conditioner | |
| CN215762713U (en) | Clamp spring nut for fastening | |
| CN219204431U (en) | Briquetting accessory and photovoltaic system are used in photovoltaic module installation | |
| CN220253453U (en) | Omnidirectional antenna mounting structure | |
| CN218215616U (en) | Battery device | |
| CN220107912U (en) | Corner connector and frame assembly |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |