CN213906857U - Loudspeaker sound cavity drain pan sealing bubble is cotton - Google Patents
Loudspeaker sound cavity drain pan sealing bubble is cotton Download PDFInfo
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- CN213906857U CN213906857U CN202120284894.7U CN202120284894U CN213906857U CN 213906857 U CN213906857 U CN 213906857U CN 202120284894 U CN202120284894 U CN 202120284894U CN 213906857 U CN213906857 U CN 213906857U
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- 229920000742 Cotton Polymers 0.000 title claims abstract description 77
- 238000007789 sealing Methods 0.000 title claims description 22
- 230000003139 buffering effect Effects 0.000 claims abstract description 108
- 210000002421 cell wall Anatomy 0.000 claims abstract description 7
- 239000006260 foam Substances 0.000 claims description 24
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 44
- 230000035939 shock Effects 0.000 abstract description 10
- 238000001125 extrusion Methods 0.000 abstract description 8
- 239000003292 glue Substances 0.000 description 8
- 238000009434 installation Methods 0.000 description 7
- 239000000853 adhesive Substances 0.000 description 6
- 230000001070 adhesive effect Effects 0.000 description 6
- 239000012528 membrane Substances 0.000 description 4
- 238000013016 damping Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 206010063659 Aversion Diseases 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 230000009545 invasion Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000005236 sound signal Effects 0.000 description 1
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Abstract
The utility model relates to a loudspeaker sound chamber drain pan seals bubble cotton belongs to the cotton technical field of bubble, including the bubble cotton body and set up in this internal elastic component of bubble cotton, elastic component including set up in this internal fixed frame of bubble cotton, the inside wall of the cotton body of bubble seted up with fixed frame matched with fixed slot, one side of fixed frame is provided with first buffering frame through a plurality of first elastic components on the surface, first buffering frame with the cell wall looks butt of fixed slot, the both ends of first elastic component through first connecting part respectively with fixed frame with first buffering frame is connected. This application can be convenient for play the effect of effective buffering to the cotton body of bubble to can reduce the cotton body of bubble and can lose elasticity and gradually lose the condition emergence of shock attenuation effect and sealed effect through long-time extrusion, and then can improve the audio of loudspeaker pronunciation and the life of loudspeaker.
Description
Technical Field
The application relates to the technical field of foam, in particular to a loudspeaker sound cavity bottom shell sealing foam.
Background
Sound is a simplified daily word, which is the abbreviation of sound system. Sound refers to a whole set of equipment that can reproduce and play audio signals. Along with the development and progress of science and technology, the requirements of people on the performance form and the field of singing and dancing are more and more high, and the sound system is continuously improved and perfected along with the requirements of people, so that the sound system greatly meets the requirements of on-site public address of the million people at the concert, and the sound system is small enough to meet the requirements of playing musical instruments and K songs by individuals and families.
And to the comparatively large-scale stereo set of volume in process of production, in order to guarantee the audio of stereo set pronunciation and reduce vibration conduction and the influence that the moisture invasion and attack brought the stereo set, consequently can add the bubble cotton in the sound chamber drain pan of stereo set installation loudspeaker generally, the bubble cotton has the buffering shock attenuation, prevents the noise, increases the effect of gas tightness to can guarantee the audio of stereo set pronunciation and can reduce the erosion of moisture and influence the life of loudspeaker.
With respect to the related art in the above, the inventors consider that: because the bubble is cotton carries out long-time pressure between loudspeaker and sound chamber drain pan and holds fixed back, the bubble cotton can lose elasticity to gradually lose shock attenuation and sealed effect, and then can influence the audio of loudspeaker pronunciation and the life of loudspeaker.
SUMMERY OF THE UTILITY MODEL
In order to reduce the bubble cotton and can lose elasticity and gradually lose the condition emergence of shock attenuation effect and sealing action through long-time extrusion, this application provides a loudspeaker sound chamber drain pan sealing bubble cotton.
The application provides a pair of loudspeaker sound chamber drain pan sealing bubble cotton adopts following technical scheme:
the utility model provides a loudspeaker sound chamber drain pan is sealed steep cotton, including steep cotton body and set up in steep cotton this internal elastic component, elastic component including set up in steep cotton this internal fixed frame, the inside wall of steep cotton body seted up with fixed frame matched with fixed slot, one side of fixed frame is provided with first buffering frame through a plurality of first elastic components on the surface, first buffering frame with the cell wall looks butt of fixed slot, the both ends of first elastic component through first connecting part respectively with fixed frame with first buffering frame is connected.
Through adopting above-mentioned technical scheme, can be convenient for play the effect of effective buffering to the cotton body of bubble to can reduce the cotton body of bubble and can lose elasticity and gradually lose the condition emergence of shock attenuation effect and sealing effect through long-time extrusion, and then can improve the audio of loudspeaker pronunciation and the life of loudspeaker.
Optionally, the first connecting part includes first connecting rods symmetrically connected to two ends of the first elastic member, two first connecting blocks are connected to one ends of the first connecting rods, and the two first connecting blocks are respectively connected to the fixed frame and the first buffering frame through first adhesive members.
Through adopting above-mentioned technical scheme, can be convenient for with the both ends difference fixed connection of first elastic component on fixed frame and first buffering frame to make first buffering frame under the effect of first elasticity, with the effect that plays effective elastic support to the cotton body of bubble.
Optionally, a buffering assembly is arranged on one side, away from the first buffering frame, of the fixed frame, the buffering assembly comprises a plurality of second elastic pieces, one end of each second elastic piece is provided with a second buffering frame, the second buffering frame is abutted to the groove wall of the fixed groove, and the two ends of each second elastic piece are connected with the fixed frame and the second buffering frame through second connecting parts respectively.
Through adopting above-mentioned technical scheme, can be convenient for play effectual buffering and shock attenuation effect to first fixed frame and first buffering frame to also can further play the cushioning effect to the cotton body of bubble, and then can further reduce the cotton body of bubble and can lose elasticity and gradually lose the condition emergence of shock attenuation effect and sealing action through long-time extrusion.
Optionally, the second connecting part includes second connecting rods symmetrically connected to two ends of the second elastic member, two second connecting blocks are connected to one ends of the second connecting rods, and the two second connecting blocks are connected to the fixed frame and the second buffering frame through second adhesive members respectively.
Through adopting above-mentioned technical scheme, can be convenient for with the both ends difference fixed connection of second elastic component on fixed frame and second buffering frame to make second buffering frame under the effect of second elasticity, with the effect that plays effective elastic support to the cotton body of bubble.
Optionally, the first buffering frame and the second buffering frame are both rubber frames.
Through adopting above-mentioned technical scheme, can be according to the cushioning effect that rubber frame itself has to can improve the shock attenuation effect and the sealed effect of the cotton body of bubble when using.
Optionally, a first positioning bar is arranged on one side of the first buffering frame and one side of the second buffering frame, and a first positioning groove matched with the first positioning bar is formed in the groove walls on the two sides of the fixing groove.
Through adopting above-mentioned technical scheme, can be convenient for play effective location and spacing effect to first buffering frame and second buffering frame to make first buffering frame and second buffering frame install in the fixed slot of the cotton body of bubble more firmly.
Optionally, the surrounding side wall of the fixed frame is provided with a second positioning strip, and a second positioning groove matched with the second positioning strip is formed in the groove wall of the fixed groove.
By adopting the technical scheme, the fixing frame can be conveniently and effectively positioned when being installed, so that the fixing frame can be quickly installed in the fixing groove of the foam body; but also can be convenient for play effective spacing effect to fixed frame to make fixed frame can install in the fixed slot firmly.
Optionally, the surface of the foam body is provided with a waterproof film.
Through adopting above-mentioned technical scheme, can be convenient for play the effect of effective separation to moisture to can reduce the moisture and enter into the cotton body of bubble inside and appear carrying out the condition that corrodes the cotton body of bubble, and then can improve the life of the cotton body of bubble.
In summary, the present application includes at least one of the following beneficial technical effects:
1. through the arrangement of the structure that the fixed frame, the first elastic piece, the first connecting part and the first buffering frame are matched with each other, the foam body can be conveniently buffered effectively, so that the situation that the foam body loses elasticity after being extruded for a long time and gradually loses damping effect and sealing effect can be reduced, and the sound effect of the loudspeaker and the service life of the loudspeaker can be improved;
2. by arranging the structure that the first positioning strip and the first positioning groove are matched with each other and the second positioning strip and the second positioning groove are matched with each other, the fixed frame, the first buffering frame and the second buffering frame can be conveniently positioned effectively during installation, so that the fixed frame, the first buffering frame and the second buffering frame can be quickly installed in the fixing groove of the foam body; the fixed frame, the first buffering frame and the second buffering frame can be effectively limited, so that the fixed frame, the first buffering frame and the second buffering frame can be stably installed in the fixed groove;
3. through setting up the waterproof membrane, can be convenient for play the effect of effective separation to the moisture to can reduce the moisture and enter into the cotton body of bubble inside and appear carrying out the condition that corrodes the cotton body of bubble, and then can improve the life of the cotton body of bubble.
Drawings
FIG. 1 is a schematic structural diagram of a sealing foam for a bottom case of a loudspeaker sound cavity in an embodiment of the present application;
FIG. 2 is a schematic structural view of an elastic assembly and a cushioning assembly according to an embodiment of the present application.
Description of reference numerals: 1. a foam body; 11. fixing grooves; 12. a first positioning groove; 13. a second positioning groove; 2. fixing the frame; 21. a second positioning bar; 3. a first spring; 31. a first connecting rod; 32. a first connection block; 33. first glue; 4. a first buffer frame; 5. a second spring; 51. a second connecting rod; 52. a second connecting block; 53. second glue; 6. a second buffer frame; 7. a first positioning bar; 8. a water-resistant membrane.
Detailed Description
The present application is described in further detail below with reference to figures 1-2.
The embodiment of the application discloses a loudspeaker sound cavity bottom shell sealing foam. Referring to fig. 1, sealed bubble is cotton including the cotton body 1 of bubble, this cotton body 1 of bubble is the frame of rectangle form, and there is one deck water proof membrane 8 at the surface coating of this cotton body 1 of bubble, this water proof membrane 8 not only can be convenient for play the effect of effective separation to the moisture, but also can play the effect of effective protection to the cotton body 1 of bubble, thereby can reduce the moisture and enter into the cotton body of bubble 1 inside and appear the condition that corrodes the cotton body 1 of bubble, and then can improve the life of the cotton body 1 of bubble.
Meanwhile, an elastic component is arranged in the foam body 1, and the elastic component can be used for playing an effective buffering effect on the foam body 1; specifically, in this embodiment, this elastic component is including being the fixed frame 2 of rectangle column structure, and this fixed frame 2 is installed in the inside of the cotton body 1 of bubble, and has seted up fixed slot 11 at this cotton body 1 of bubble inside wall all around, and this fixed frame 2 is placed in this fixed slot 11.
Referring to fig. 1 and 2, in the present embodiment, the fixing frame 2 is a metal sheet made of an aluminum alloy material, and the metal sheet is placed in the fixing groove 11 of the foam body 1, so that the stability of the foam body 1 during installation can be improved. In addition, the fixed frame 2 may also be made of other materials, such as rubber or plastic.
Meanwhile, a first buffering frame 4 is arranged on the surface of one side of the fixed frame 2, the first buffering frame 4 is also a frame with a rectangular structure and the same size as the fixed frame 2, a plurality of first elastic pieces are fixedly connected between the first buffering frame 4 and the fixed frame 2 through a plurality of first connecting parts respectively, the first elastic pieces are first springs 3, and the first springs 3 have good elasticity.
When fixed frame 2 is placed into in the fixed slot 11 of the cotton body 1 of bubble, this first buffering frame 4 deviates from one side butt of this fixed frame 2 on the cell wall of this fixed slot 11, when the cotton body 1 of bubble receives the extrusion like this, first buffering frame 4 can play effective elastic support's effect to the cotton body 1 of bubble under the elastic action of first spring 3, thereby can reduce the cotton body 1 of bubble and can lose elasticity and gradually lose the condition emergence of shock attenuation effect and sealing action through long-time extrusion, and then can improve the audio of loudspeaker pronunciation and the life of loudspeaker.
Specifically, referring to fig. 2, in the present embodiment, the first connection member includes a first connection bar 31, a first connection block 32, and a first adhesive member. Wherein, this head rod 31 is provided with two, and these two head rods 31 are fixed connection respectively on the both ends of this first spring 3, and this first connecting block 32 also is provided with two, and this two first connecting blocks 32 correspond fixed mounting respectively and serve at one of these two head rods 31.
And this first adhesive member is first glue 33, through scribble first glue 33 on this two first splice blocks 32 deviate from one side of this first splice rod 31 respectively, then will two first splice blocks 32 scribbled first glue 33 bond respectively on fixed frame 2 on the surface and the first buffering frame 4 on the surface to can install these a little first springs 3 and this first buffering frame 4 on fixed frame 2, cushion to the cotton body 1 of bubble.
Referring to fig. 2, in order to further improve the elasticity of the foam body 1, so as to achieve a more effective damping effect on the speaker, in this embodiment, a buffering component is disposed on one side of the fixed frame 2 departing from the first buffering frame 4, the buffering component includes a second buffering frame 6, the second buffering frame 6 is disposed on one side of the fixed frame 2 departing from the first buffering frame 4, the second buffering frame 6 is the same as the first buffering frame 4, and a plurality of second elastic members are respectively and fixedly connected between the second buffering frame 6 and the fixed frame 2 through a plurality of second connecting parts, the second elastic members are second springs 5, and the second springs 5 have good elasticity.
When fixed frame 2 and first buffering frame 4 are placed into the fixed slot 11 of the cotton body of bubble together in, this second buffering frame 6 deviates from one side butt of this fixed frame 2 on the cell wall that fixed slot 11 corresponds, this second buffering frame 6 is under the elastic action of second spring 5, can be simultaneously to fixed frame 2, first buffering frame 4 and the cotton body 1 of bubble play effective elastic support's effect, thereby can reduce the cotton body 1 of bubble and can lose elasticity and reduce sealed absorbing effect because of extruding for a long time, and then can improve the stability of sealed bubble cotton in the use.
Specifically, referring to fig. 2, in the present embodiment, the second connecting member includes a second connecting rod 51, a second connecting block 52, and a second adhesive member. Wherein, this second connecting rod 51 is provided with two, and these two second connecting rods 51 are fixed connection respectively on the both ends of this second spring 5, and this second connecting block 52 also is provided with two, and these two second connecting blocks 52 correspond fixed mounting respectively and are served at one of these two second connecting rods 51.
And this second adhesive is second glue 53, through scribble second glue 53 on this two second connecting block 52 deviate from one side of this second connecting rod 51 respectively, then will scribble two second connecting block 52 of second glue 53 and adhere respectively on fixed frame 2 on the surface with second buffering frame 6 on the surface, thereby can install these a little second spring 5 and this second buffering frame 6 on fixed frame 2, cushion with fixed frame 2, first buffering frame 4 and bubble cotton body 1.
The preferred, in this embodiment, this first buffering frame 4 is the rubber frame with this second buffering frame 6, these two rubber frames all with the inside wall looks butt of the cotton body 1 of bubble, when sealed bubble is cotton when using, can form certain pressure to the cotton body 1 of bubble after installing loudspeaker and hold the power, and the rubber frame can be according to the cushioning effect that self has, also can play effective elastic support's effect to the cotton body 1 of bubble to also can effectively improve the shock attenuation effect and the sealed effect of the cotton body 1 of bubble when using.
Referring to fig. 2, in order to reduce first buffering frame 4, the circumstances that the aversion appears when bubble cotton body 1 is installed simultaneously to second buffering frame 6 and fixed frame 2, so in this embodiment, fixed mounting has first locating bar 7 on the one side that all deviates from this fixed frame 2 at this first buffering frame 4 and second buffering frame 6, and first locating groove 12 has all been seted up on the corresponding both sides cell wall of this fixed slot 11, this first locating groove 12 and this first locating bar 7 mutually support, thereby make first buffering frame 4's first locating bar 7 and second buffering frame 6 on first locating bar 7 peg graft into two first locating grooves 12 correspondingly.
So through setting up the structure that first locating strip 7 and first constant head tank 12 mutually supported, can be convenient for play effective spacing effect to first buffering frame 4 and second buffering frame 6 to can make first buffering frame 4 and second buffering frame 6 install in the fixed slot 11 of the cotton body of bubble 1 more firmly, and then can improve the stability of first buffering frame 4 and second buffering frame 6.
Meanwhile, a second positioning strip 21 is fixedly installed on the peripheral outer side wall of the fixed frame 2, the second positioning strip 21 is annularly arranged around the fixed frame 2, a second positioning groove 13 is formed in the groove wall corresponding to the peripheral side of the fixed groove 11 and the fixed frame 2, and the second positioning groove 13 is matched with the second positioning strip 21, so that the second positioning strip 21 on the fixed frame 2 can be inserted into the second positioning groove 13.
So through the structure that second location strip 21 and second constant head tank 13 mutually supported, also can be convenient for play effective spacing effect to fixed frame 2 to make fixed frame 2 install in fixed slot 11 more firmly, and then can improve fixed frame 2's stability.
In addition, through setting up the structure that first constant head tank 7 and first constant head tank 12 mutually supported and the structure that second constant head tank 21 and second constant head tank 13 mutually supported, also can be convenient for to fixed frame 2, first buffering frame 4 and second buffering frame 6 play the effect of effective location in the installation, thereby make can be convenient for with fixed frame 2, the structure that first buffering frame 4 and second buffering frame 6 equipment formed, install in the fixed slot 11 of the cotton body 1 of bubble fast, and then can improve fixed frame 2, first buffering frame 4 and second buffering frame 6 installation carry out the efficiency in the fixed slot.
The implementation principle of the loudspeaker sound cavity bottom shell sealing foam in the embodiment of the application is as follows: when needs utilize sealed bubble cotton, earlier fixed frame 2, first buffering frame 4 and second buffering frame 6 are placed into the fixed slot 11 of the cotton body 1 of bubble simultaneously, in inserting into two corresponding first constant head tanks 12 respectively first constant head tanks 7 on the first location strip 7 of first buffering frame 4 and the second buffering frame 6, align to insert into second constant head tank 13 second location strip 21 on fixed frame 2, thereby can be convenient for with fixed frame 2, first buffering frame 4 and second buffering frame 6 firm installation are in the fixed slot 11 of the cotton body 1 of bubble.
At last, the sealed bubble cotton that will assemble the completion is placed in the sound chamber drain pan of installation loudspeaker, install loudspeaker again, hold with pressing sealed bubble cotton, bubble cotton body 1 receives the extrusion back, first buffering frame 4 is under the elastic action of first spring 3, second buffering frame 6 is under the elastic action of second spring 5, thereby can play effective elastic support's effect to bubble cotton body 1, and then can reduce the condition emergence that bubble cotton body 1 can lose elasticity and gradually lose damping effect and sealing effect through long-time extrusion.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a loudspeaker sound chamber drain pan sealing bubble is cotton which characterized in that: including steep cotton body (1) and set up in elastic component in the cotton body of bubble (1), elastic component including set up in fixed frame (2) in the cotton body of bubble (1), the inside wall of the cotton body of bubble (1) seted up with fixed frame (2) matched with fixed slot (11), one side of fixed frame (2) is provided with first buffering frame (4) through a plurality of first elastic components on the surface, first buffering frame (4) with the cell wall looks butt of fixed slot (11), the both ends of first elastic component through first connecting part respectively with fixed frame (2) with first buffering frame (4) are connected.
2. The loudspeaker sound cavity bottom shell sealing foam as claimed in claim 1, wherein: the first connecting part comprises first connecting rods (31) symmetrically connected to two ends of the first elastic part, one end of each first connecting rod (31) is connected with a first connecting block (32), and the first connecting blocks (32) are connected with the fixed frame (2) and the first buffering frame (4) through first bonding parts respectively.
3. The loudspeaker sound cavity bottom shell sealing foam as claimed in claim 2, wherein: the fixed frame (2) deviates from be provided with the buffering subassembly on one side of first buffering frame (4), the buffering subassembly include a plurality of set up in fixed frame (2) deviates from second elastic component on one side of first buffering frame (4), it is a plurality of the one of second elastic component is served and is provided with second buffering frame (6) simultaneously, second buffering frame (6) with the cell wall looks butt of fixed slot (11), the both ends of second elastic component through second adapting unit respectively with fixed frame (2) with second buffering frame (6) are connected.
4. The loudspeaker sound cavity bottom shell sealing foam of claim 3, wherein: the second connecting part comprises second connecting rods (51) symmetrically connected to two ends of the second elastic part, one end of each second connecting rod (51) is connected with a second connecting block (52), and the second connecting blocks (52) are connected with the fixed frame (2) and the second buffering frame (6) through second bonding parts respectively.
5. The loudspeaker sound cavity bottom shell sealing foam of claim 4, wherein: the first buffering frame (4) and the second buffering frame (6) are both rubber frames.
6. The loudspeaker sound cavity bottom shell sealing foam of claim 5, wherein: first positioning strips (7) are arranged on one side of the first buffering frame (4) and one side of the second buffering frame (6), and first positioning grooves (12) matched with the first positioning strips (7) are formed in groove walls of two sides of the fixing grooves (11).
7. The loudspeaker sound cavity bottom shell sealing foam as claimed in claim 1, wherein: and the peripheral side wall of the fixed frame (2) is surrounded by second positioning strips (21), and the groove wall of the fixed groove (11) is provided with second positioning grooves (13) matched with the second positioning strips (21).
8. The loudspeaker sound cavity bottom shell sealing foam as claimed in claim 1, wherein: the surface of the foam body (1) is provided with a waterproof film (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120284894.7U CN213906857U (en) | 2021-01-28 | 2021-01-28 | Loudspeaker sound cavity drain pan sealing bubble is cotton |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120284894.7U CN213906857U (en) | 2021-01-28 | 2021-01-28 | Loudspeaker sound cavity drain pan sealing bubble is cotton |
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| Publication Number | Publication Date |
|---|---|
| CN213906857U true CN213906857U (en) | 2021-08-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120284894.7U Active CN213906857U (en) | 2021-01-28 | 2021-01-28 | Loudspeaker sound cavity drain pan sealing bubble is cotton |
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| Country | Link |
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| CN (1) | CN213906857U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114724777A (en) * | 2022-05-06 | 2022-07-08 | 苏州久鋐电子有限公司 | Production process of integral isolation shock absorption foam with good insulation performance |
-
2021
- 2021-01-28 CN CN202120284894.7U patent/CN213906857U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114724777A (en) * | 2022-05-06 | 2022-07-08 | 苏州久鋐电子有限公司 | Production process of integral isolation shock absorption foam with good insulation performance |
| CN114724777B (en) * | 2022-05-06 | 2023-04-11 | 苏州久鋐电子有限公司 | Production process of integral isolation shock absorption foam with good insulation performance |
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Address after: 523000 Room 301, building 2, No.751, Dalingshan section, GuanChang Road, Dalingshan Town, Dongguan City, Guangdong Province Patentee after: Dongguan Lvhui Intelligent Technology Co.,Ltd. Address before: 523835 Room 301, building 2, No. 751, Dalingshan section, GuanChang Road, Dalingshan Town, Dongguan City, Guangdong Province Patentee before: Dongguan Luhui Electronic Material Co.,Ltd. |
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