CN218194899U - Fixed tooling device of lamp panel - Google Patents
Fixed tooling device of lamp panel Download PDFInfo
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- CN218194899U CN218194899U CN202220424142.0U CN202220424142U CN218194899U CN 218194899 U CN218194899 U CN 218194899U CN 202220424142 U CN202220424142 U CN 202220424142U CN 218194899 U CN218194899 U CN 218194899U
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Abstract
The utility model provides a fixed tool equipment of lamps and lanterns lamp plate, is applied to the installation of the lamps and lanterns lamp plate that is equipped with frame and lamp plate, includes: the lamp panel tool and the bracket lock switch tool are arranged on the lamp panel; two ends of the horizontal part are respectively connected with the upper ends of the vertical parts; the lower end of the vertical part is connected with the connecting part; the lamp panel tool is used for fixing the lamp panel on the connecting part; the tool main body is provided with a slot; one end of the horizontal part of the frame extends into the slot, and the notch of the slot is exposed out of the connecting part; the lamp panel is limited on the surface of the tool main body and is positioned above the slot; the lamp panel is fixedly connected with the connecting part; the bracket lock switch tool is used for supporting the frame, fixing the position of the horizontal part and fixing the circuit board on the horizontal part. This scheme provides a fixed tool equipment of lamps and lanterns lamp plate, can be used for installing lamp plate and circuit board respectively additional to the upper and lower both ends of frame to realize the quick installation of lamps and lanterns lamp plate, solved among the prior art the problem with high costs and the installation effectiveness low of lamps and lanterns frock among the prior art.
Description
Technical Field
The utility model relates to a tooling device technical field especially relates to a fixed tooling device of lamps and lanterns lamp plate.
Background
In current lamps and lanterns lamp plate industrial production process, because the structure of frock is not perfect enough, often need the production staff to fix the frame with the hand during use to ensure that the position of frame and lamp plate and circuit board keep the position to aim at, and this measure often can lead to production speed slow, and then causes production efficiency to hang down. From this, in order to guarantee quick installation, need to perfect the structure of frock. In the prior art, most of tool designs have the defects of high cost, large occupied space and the like, so that the existing test products need to be improved.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a fixed tool equipment of lamps and lanterns lamp plate can be used for installing lamp plate and circuit board additional respectively to the upper and lower both ends of frame to realize the quick installation of lamps and lanterns lamp plate.
To achieve the purpose, the utility model adopts the following technical proposal:
the utility model provides a fixed tool equipment of lamps and lanterns lamp plate, is applied to the installation of the lamps and lanterns lamp plate that is equipped with frame and lamp plate, includes: the lamp panel tool and the bracket lock switch tool are arranged on the lamp panel;
the frame is provided with a horizontal part, a vertical part and a connecting part; two ends of the horizontal part are respectively connected with the upper ends of the vertical parts; the lower end of the vertical part is connected with the connecting part;
the lamp panel tool is used for fixing the lamp panel on the connecting part;
the lamp plate frock includes: a tool main body;
the tool main body is provided with a slot; one end of the horizontal part of the frame extends into the slot, and the notch of the slot is exposed out of the connecting part; the lamp panel is limited on the surface of the tool main body and is positioned above the slot; the lamp panel is fixedly connected with the connecting part;
the bracket lock switch tool is used for supporting the frame, fixing the position of the horizontal part and fixing the circuit board on the horizontal part.
Preferably, two ends of the slot are respectively provided with a limiting step at the position of the notch;
the connecting part is in contact with the limiting step.
Preferably, the lamp panel and the connecting part are respectively provided with a screw hole; the lamp plate with connecting portion pass through the screwed connection fixed.
Preferably, the tool main body is provided with a limiting raised head outside the slot; the lamp panel is provided with a limiting opening;
the limiting protruding head extends into the limiting opening, so that the lamp panel is limited in the tool main body.
Further optimally, an inner concave cavity is formed in the upper surface of the tool main body; the notch of the slot is arranged in the concave cavity; the inner concave cavity is used for accommodating the lamp panel.
Preferably, the bracket lock switch tool includes: the fixing plate, the hinge and the rotating plate;
the fixing plate is provided with a U-shaped groove and a limiting groove;
one rotating end of the hinge is connected to the fixed plate, and the other rotating end of the hinge is connected to the rotating plate; the rotating plate can be rotatably covered on the surface of the fixed plate;
the limiting groove is positioned on one side of the U-shaped groove; the fixed plate is provided with a pressing platform; the pressing table is positioned in the limiting groove body and used for placing the rack; the U-shaped groove is used for placing a circuit board and is pressed on the rack by the rotating plate.
Preferably, the accommodating gaps are formed between the two sides of the pressing table and the inner wall of the limiting groove respectively; the vertical part is positioned in the accommodating gap;
a n-shaped station is formed between the two vertical parts and the horizontal part; the pressing table is used for extending into the molding stations.
Further optimally, the bracket lock switch tool comprises: a magnetic member;
the fixing plate is provided with a first adsorption groove; the rotating plate is provided with a second adsorption groove;
one of the first adsorption tank and the second adsorption tank is provided with the magnetic member, and the other is provided with a metal member or the magnetic member.
Further optimally, the magnetic part is arranged in the second adsorption groove, and the metal part is arranged in the first adsorption groove; the metal piece is a screw.
Preferably, the bracket lock switch tool includes: a fixing column and a fixing seat;
one end of the fixing column is connected with the fixing plate, and the other end of the fixing column is connected with the fixing seat.
The utility model provides a technical scheme can include following beneficial effect:
this scheme provides a fixed tool equipment of lamps and lanterns lamp plate, can be used for installing lamp plate and circuit board respectively additional to the upper and lower both ends of frame to realize the quick installation of lamps and lanterns lamp plate, solved among the prior art the problem with high costs and the installation effectiveness low of lamps and lanterns frock among the prior art.
Drawings
FIG. 1 is a schematic structural view of one embodiment of a fixture apparatus;
FIG. 2 is an exploded view of one embodiment of a lamp panel fixture;
FIG. 3 is a schematic structural diagram of one embodiment of a lamp panel fixture;
FIG. 4 is an exploded view of one embodiment of the chassis, light panel and circuit board;
FIG. 5 is a top view of the fixing plate;
FIG. 6 is a schematic diagram of one embodiment of a cradle lock switch assembly.
Wherein:
the lamp panel locking and unlocking device comprises a bracket lock switch tool 1, a lamp panel tool 2 and a rack 3; a lamp panel 4; a circuit board 5;
the fixing plate 11, the hinge 12, the rotating plate 13, the magnetic part 14 and the metal part 15; a fixed column 16 and a fixed seat 17;
a U-shaped groove 111, a limiting groove 112, a pressing platform 113, an accommodating gap 114 and a screw accommodating groove 115; a first adsorption tank 116; a second adsorption tank 121, a binding station 122;
a tool main body 21; the slot 211, the limit step 212, the limit projection 213 and the inner concave cavity 214;
a n-shaped station 30; horizontal portion 31, vertical portion 32, screw hole 33; a connecting portion 34; screw holes 33;
a stopper port 41.
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 some, not all, of the embodiments of the present invention. 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.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
The technical scheme of the scheme is further explained by the specific implementation mode in combination with the attached drawings.
The utility model provides a fixed tool equipment of lamps and lanterns lamp plate, is applied to the installation of the lamps and lanterns lamp plate that is equipped with frame 3 and lamp plate 4, includes: the lamp panel tool 2 and the bracket lock switch tool 1;
the frame 3 is provided with a horizontal part 31, a vertical part 32 and a connecting part 34; both ends of the horizontal part 31 are respectively connected with the upper ends of the vertical parts 32; the lower end of the vertical part 32 is connected with the connecting part 34;
the lamp panel tooling 2 is used for fixing the lamp panel 4 to the connecting part 34;
the tool main body 21 is provided with a slot 211; one end of the horizontal portion 31 of the frame 3 extends into the insertion slot 211, and a notch of the insertion slot 211 exposes the connecting portion 34; the lamp panel 4 is limited on the surface of the tool main body 21 and is positioned above the slot 211; the lamp panel 4 is fixedly connected with the connecting part 34;
the bracket lock switch tool 1 is used for supporting the frame 3, fixing the position of the horizontal part 31, and fixing the circuit board 5 on the horizontal part 31.
This scheme provides a fixed tool equipment of lamps and lanterns lamp plate, can be used for installing lamp plate 4 and circuit board 5 additional respectively to the upper and lower both ends of frame 3 to realize the quick installation of lamps and lanterns lamp plate, solved among the prior art the problem with high costs and the installation effectiveness low of lamps and lanterns frock among the prior art.
Specifically, as shown in fig. 1 to 3, the rack 3 is used for carrying a lamp panel 4 and a circuit board 5 of a lamp; the installation sequence is as follows: the frame 3 is firstly provided with the lamp panel 4 and then with the circuit board 5; wherein, lamp plate frock 2 of this scheme adopts slot 211 to fix frame 3, and the slot 211 is arranged in to the one end of the horizontal part 31 of frame 3 to expose connecting portion 34 through the notch of slot 211. At this moment, only need arrange frock main part 21's surface in with lamp plate 4, can be connected fixedly connecting portion 34 and lamp plate 4, adopted connected mode can be for glue is fixed, welded fastening, screw fixation etc.. Thereafter, the rack 3 can be taken out of the slot 211; still further, support lock switch frock 1 is fixed frame 3 to be connected horizontal part 31 and circuit board 5, realize that lamp plate 4 and circuit board 5 are at the installation of frame 3 simultaneously. From this, this scheme has realized installing lamp plate 4 and circuit board 5's function additional respectively to the upper and lower both ends of frame 3.
Preferably, two ends of the slot 211 are respectively provided with a limiting step 212 at the position of the slot opening;
the connecting portion 34 contacts the limit step 212.
As shown in fig. 1-3, the limiting step 212 can contact the connecting portion 34 to support the connecting portion 34, so as to prevent the frame 3 from excessively extending into the slot 211, thereby achieving the effect of limiting the position of the frame 3.
More preferably, the lamp panel 4 and the connecting portion 34 are respectively provided with a screw hole 33; the lamp panel 4 with connecting portion 34 passes through the screwed connection fixed.
As shown in fig. 1-3, the connecting portion 34 is limited at the limiting step 212 at the notch position of the slot 211; the position of the frame 3 is limited by the slot 211, and the position of the frame 3 is basically fixed in combination with the positioning of the connecting part 34 on the limiting step 212. From this, only need set up screw hole 33 respectively at both lamp plate 4 and connecting portion 34, aim at both screw hole 33, and then fix both through the screw, and then realize connecting portion 34 and lamp plate 4's quick fixation, guarantee connection accuracy between them again.
Preferably, the tool main body 21 is provided with a limit raised head 213 outside the slot 211; the lamp panel 4 is provided with a limiting opening 41;
the limiting raised head 213 extends into the limiting opening 41, so that the lamp panel 4 is limited in the tool main body 21.
As shown in fig. 1-3, when the lamp panel 4 is installed in the fixture main body 21, the lamp panel 4 can be positioned on the fixture main body 21 only by aligning the limiting opening 41 with the limiting raised head 213, so as to ensure that the screw holes 33 are automatically aligned after the lamp panel 4 and the connecting portion 34 are installed, thereby realizing the rapid fixed connection between the lamp panel 4 and the connecting portion 34.
Preferably, an inner concave cavity 214 is formed in the upper surface of the tool main body 21; the notch of the slot 211 is arranged in the inner concave cavity 214; the inner concave cavity 214 is used for accommodating the lamp panel 4.
As shown in fig. 1-3, when the lamp panel 4 needs to be installed on the tool main body 21, the lamp panel 4 is only required to be placed in the inner concave cavity 214; based on spacing plush copper 213 spacing to spacing mouthful 41 to and the inner wall of interior concave cavity 214 is spacing to lamp plate 4, and lamp plate 4 is stable in position on frock main part 21, is difficult to become flexible, and lamp plate 4 and connecting portion 34 screw hole 33 between the two is aimed at completely, and then improves the installation effectiveness of screw.
Preferably, the bracket lock switch tool 1 includes: a fixed plate 11, a hinge 12 and a rotating plate 13;
the fixing plate 11 is provided with a U-shaped groove 111 and a limiting groove 112;
one rotating end of the hinge 12 is connected to the fixed plate 11, and the other rotating end is connected to the rotating plate 13; the rotating plate 13 can be rotatably covered on the surface of the fixed plate 11;
the limiting groove 112 is positioned on one side of the U-shaped groove 111; the fixed plate 11 is provided with a pressing platform 113; the pressing platform 113 is positioned in the limiting groove 112 and used for placing the rack 3; the U-shaped groove 111 is used for placing the circuit board 5 and is pressed against the frame 3 by the rotating plate 13.
The support lock switch tool 1 is used for installing the circuit board 5 in the frame 3, has the advantages of being short in assembling time, accurate in assembling, high in reliability and low in cost, and solves the problems that the tool is high in cost and large in occupied space in the prior art.
Specifically, as shown in fig. 1 to 6, a fixed plate 11 is connected with a rotating plate 13 through a hinge 12, one rotating end of the hinge 12 is connected with the fixed plate 11, and the other rotating end of the hinge 12 is connected with the rotating plate 13; generally, the fixed plate 11 is fixed, and the rotating plate 13 can rotate as required to expose or cover the U-shaped groove 111. The U-shaped groove 111 is used for placing the circuit board 5, and the circuit board 5 can extend from the U-shaped groove 111 to the limiting groove 112; when the rotating plate 13 is pressed on the fixing plate 11, the rotating plate 13 abuts against the circuit board 5, and presses the circuit board 5 to the U-shaped groove 111, so that the circuit board 5 is limited to the U-shaped groove 111. The circuit board 5 presses the frame 3 on the pressing table 113, and at this time, the frame 3 and the circuit board 5 can be fixedly connected in a manner of glue fixation, welding fixation, screw fixation, and the like. From this, circuit board 5 is by spacing basis in the position, when compressing tightly circuit board 5, will compress tightly frame 3 again, and the position between frame 3 and the circuit board 5 is more stable, can ensure that fixed position between them aims at, and then realizes that the equipment time is short, the equipment is accurate, the effect that the reliability is high.
Preferably, the accommodating gaps 114 are formed between two sides of the pressing platform 113 and the inner walls of the limiting grooves 112; the vertical portion 32 is located in the receiving gap 114;
a mold station 30 is formed between the two vertical portions 32 and the horizontal portion 31; the platen 113 is used to project into the mold station 30.
As shown in fig. 4-6, the accommodating gap 114 is formed between the pressing platform 113 and the inner wall of the limiting groove 112, and the vertical portion 32 is located in the accommodating gap 114, so as to limit the position between the pressing platform 113 and the limiting groove 112, thereby ensuring that the horizontal portion 31 is not easy to loosen; the horizontal portion 31 can contact and connect with the circuit board 5, so as to realize connection of the circuit board 5 on the frame 3, and improve connection stability of the frame 3 and the circuit board 5.
As shown in fig. 5, the receiving gaps 114 are disposed at both sides of the pressing platform 113, so that the two vertical portions 32 of the rack 3 can be limited in the receiving gaps 114, so that the rack 3 can enter the limiting groove 112 from the outside to the inside and be placed in the receiving gaps 114. The frame 3 only needs to be aligned with the pressing table 113 through the several types of stations 30, the horizontal part 31 is placed on the pressing table 113, the vertical parts 32 on the two sides can be respectively abutted against the side wall of the pressing table 113, and then the frame 3 is limited on the pressing table 113, and the connection position of the horizontal part 31 and the circuit board 5 is ensured to be accurate.
The pressing table 113 is provided with a screw receiving groove 115.
As shown in fig. 5, the screw receiving groove 115 can be used for receiving a screw, and when the frame 3 is fixedly connected to the circuit board 5, the circuit board 5 is pressed by the rotating plate 13, and then the frame 3 and the circuit board 5 can be fixed by the screw. The screw receiving groove 115 can provide a position for receiving the screw during the process of screwing up the screw, thereby preventing the screw from damaging the pressing platform 113.
The U-shaped groove 111 is provided with an anti-slip surface.
As shown in fig. 5, the anti-slip surface has a rough surface, so that the dynamic friction factor is increased, the degree of movement of the circuit board 5 in the U-shaped groove 111 is reduced, and the relative movement between the circuit board 5 and the rack 3 is avoided.
More preferably, the bracket lock switch tool 1 includes: a magnetic member 14;
the fixing plate 11 is provided with a first adsorption groove 116; the rotating plate 13 is provided with a second adsorption groove 121;
one of the first adsorption groove 116 and the second adsorption groove 121 is provided with the magnetic member 14, and the other is provided with a metal member 15 or the magnetic member 14.
As shown in fig. 6, the present embodiment adopts the hinge 12 to provide a rotation function for the rotation plate 13, and the magnetic member 14 can provide an attraction between the rotation plate 13 and the fixed plate 11. The magnetic member 14 is disposed in one of the first adsorption groove 116 and the second adsorption groove 121, and the magnetic member 14 or the metal member 15 is disposed in the other; when the rotating plate 13 leans against the fixed plate 11, the magnetic member 14 and the magnetic member 14 (or the metal member 15) attract each other, so as to achieve the effect of fixing the rotating plate 13 and prevent the rotating plate 13 from separating from the fixed plate 11.
Further optimally, the magnetic component 14 is disposed in the second adsorption tank 121, and the metal component 15 is disposed in the first adsorption tank 116; the metal piece 15 is a screw.
As shown in fig. 6, the screw as the metal member 15 not only plays a role of fixing an external mechanism (e.g., a fixing post 16) to the fixing plate 11, but also plays a role of skillfully attracting the magnetic member 14.
More preferably, the bracket lock switch tool 1 includes: a fixed column 16 and a fixed seat 17;
one end of the fixing column 16 is connected with the fixing plate 11, and the other end of the fixing column 16 is connected with the fixing seat 17.
As shown in fig. 6, the fixing posts 16 may support the fixing plate 11 to place the fixing plate 11 in the air, so that two vertical portions 32 of the rack 3 may extend downward to accommodate different models of racks 3, and the lamp panel 4 at the lower end of the rack 3 may be suspended.
The fixed plate 11 and/or the rotating plate 13 are made of rubber, glass fiber plate or plastic.
Rubber, glass fiber plates or plastics are selected, the service life of the fixed plate 11 and the rotating plate 13 is long, when the fixed plate and the rotating plate are in contact, the abrasion degree is low, and the cost is low.
The frame 3 and the circuit board 5 are respectively provided with a screw hole 33; the rotating plate 13 is provided with a binding station 122; the stapling station 122 exposes the screw holes 33.
The rotor plate 13 is equipped with binding station 122, can support against when fixed plate 11 at rotor plate 13, expose the screw hole 33 of frame 3 or circuit board 5, and then be convenient for carry out the fix with screw to frame 3 and circuit board 5 under the state that compresses tightly, has improved the fixed stability between frame 3 and the circuit board 5 two.
The technical principles of the present solution have been described above with reference to specific embodiments. These descriptions are made for the purpose of illustrating the principles of the present solution and are not to be construed in any way as limiting the scope of the present solution. Based on the explanations provided herein, a person skilled in the art will be able to conceive of other embodiments of the present solution without inventive effort, which shall fall within the scope of protection of the present solution.
Claims (10)
1. The utility model provides a fixed tool equipment of lamps and lanterns lamp plate, is applied to the installation of the lamps and lanterns lamp plate that is equipped with frame and lamp plate, a serial communication port, include: the lamp panel tool and the bracket lock switch tool are arranged on the lamp panel;
the frame is provided with a horizontal part, a vertical part and a connecting part; two ends of the horizontal part are respectively connected with the upper ends of the vertical parts; the lower end of the vertical part is connected with the connecting part;
the lamp panel tool is used for fixing the lamp panel on the connecting part;
lamp plate frock includes: a tool main body;
the tool main body is provided with a slot; one end of the horizontal part of the frame extends into the slot, and the notch of the slot is exposed out of the connecting part; the lamp panel is limited on the surface of the tool main body and is positioned above the slot; the lamp panel is fixedly connected with the connecting part;
the bracket lock switch tool is used for supporting the frame, fixing the position of the horizontal part and fixing the circuit board on the horizontal part.
2. The fixture device for fixing the lamp panel of the lamp according to claim 1, wherein the two ends of the slot are respectively provided with a limiting step at the position of the notch;
the connecting part is in contact with the limiting step.
3. The fixture device for fixing the lamp panel of the lamp according to claim 1 or 2, wherein the lamp panel and the connecting portion are respectively provided with a screw hole; the lamp plate with connecting portion pass through the screwed connection fixed.
4. The fixture device for fixing the lamp panel of the lamp according to claim 3, wherein a limiting raised head is arranged outside the slot of the fixture body; the lamp panel is provided with a limiting opening;
the limiting protruding head extends into the limiting opening, so that the lamp panel is limited in the tool main body.
5. The fixture device for fixing the lamp panel of the lamp according to claim 4, wherein an inner concave cavity is formed in the upper surface of the fixture body; the notch of the slot is arranged in the concave cavity; the inner concave cavity is used for accommodating the lamp panel.
6. The fixture of claim 1, wherein the fixture lock switch fixture comprises: the fixing plate, the hinge and the rotating plate;
the fixing plate is provided with a U-shaped groove and a limiting groove;
one rotating end of the hinge is connected to the fixed plate, and the other rotating end of the hinge is connected to the rotating plate; the rotating plate can be rotatably covered on the surface of the fixed plate;
the limiting groove is positioned on one side of the U-shaped groove; the fixed plate is provided with a pressing platform; the pressing table is positioned in the limiting groove body and used for placing the rack; the U-shaped groove is used for placing a circuit board and is pressed on the rack by the rotating plate.
7. The fixture device for fixing the lamp panel of the lamp according to claim 6, wherein accommodating gaps are formed between two sides of the pressing table and the inner wall of the limiting groove respectively; the vertical part is positioned in the accommodating gap;
a n-shaped station is formed between the two vertical parts and the horizontal part; the pressing table is used for extending into the molding stations.
8. The fixture of claim 6, wherein the fixture of the bracket lock switch comprises: a magnetic member;
the fixing plate is provided with a first adsorption groove; the rotating plate is provided with a second adsorption groove;
one of the first adsorption tank and the second adsorption tank is provided with the magnetic member, and the other is provided with a metal member or the magnetic member.
9. The fixture device for fixing a lamp panel of a lamp according to claim 8, wherein the magnetic member is disposed in the second adsorption groove, and the metal member is disposed in the first adsorption groove; the metal piece is a screw.
10. The fixture device of claim 6, wherein the bracket lock switch tool comprises: a fixing column and a fixing seat;
one end of the fixing column is connected with the fixing plate, and the other end of the fixing column is connected with the fixing seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220424142.0U CN218194899U (en) | 2022-02-28 | 2022-02-28 | Fixed tooling device of lamp panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220424142.0U CN218194899U (en) | 2022-02-28 | 2022-02-28 | Fixed tooling device of lamp panel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218194899U true CN218194899U (en) | 2023-01-03 |
Family
ID=84627080
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220424142.0U Active CN218194899U (en) | 2022-02-28 | 2022-02-28 | Fixed tooling device of lamp panel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218194899U (en) |
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2022
- 2022-02-28 CN CN202220424142.0U patent/CN218194899U/en active Active
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