CN108957667A - A kind of optical cable fiber-dividing box - Google Patents
A kind of optical cable fiber-dividing box Download PDFInfo
- Publication number
- CN108957667A CN108957667A CN201811102490.0A CN201811102490A CN108957667A CN 108957667 A CN108957667 A CN 108957667A CN 201811102490 A CN201811102490 A CN 201811102490A CN 108957667 A CN108957667 A CN 108957667A
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- China
- Prior art keywords
- clamping device
- supporting mechanism
- optical cable
- dividing box
- fixed
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- 230000003287 optical effect Effects 0.000 title claims abstract description 27
- 230000007246 mechanism Effects 0.000 claims abstract description 105
- 238000009434 installation Methods 0.000 claims abstract description 14
- 230000013011 mating Effects 0.000 claims description 5
- 239000000835 fiber Substances 0.000 claims 1
- 239000004568 cement Substances 0.000 abstract description 47
- 230000008859 change Effects 0.000 abstract description 7
- 239000013307 optical fiber Substances 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000005452 bending Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4439—Auxiliary devices
- G02B6/444—Systems or boxes with surplus lengths
- G02B6/4441—Boxes
- G02B6/4446—Cable boxes, e.g. splicing boxes with two or more multi fibre cables
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Light Guides In General And Applications Therefor (AREA)
Abstract
The present invention relates to technical field of communication equipment, specifically a kind of optical cable fiber-dividing box, including cabinet, fixing seat, fixed mechanism, the first supporting mechanism, the first clamping device, the second supporting mechanism, retaining mechanism, clamp and the second clamping device;When the present invention installs optical fiber case, clamping device can be fitted closely with cement pole, and when two clamping devices are close to fitting, spring can be inwardly compressed in rubber grip block, freely change fit-state so as to the outer wall shape according to cement pole, can satisfy the fixed needs of different shape cement pole;Spacing between two clamping devices can be adjusted freely, and can be changed locked position by the first supporting mechanism, the second supporting mechanism and be met the clamping needs of different size cement poles so that clamping device is at the middle part of cement pole;It is whole to use split modular structure, facilitate installation personnel to carry, so that installing and dismounting is more easy.
Description
Technical field
The present invention relates to technical field of communication equipment, specifically a kind of optical cable fiber-dividing box.
Background technique
Optical cable fiber-dividing box is the interface equipment for outdoor in corridor or interior connection backbone optical cable and optical distribution cable;Light
Fine fiber-dividing box must be able to reliably working in the environment of regulation, and its cabinet can bear the pressure at right angle no more than 500N.
Optical cable fiber-dividing box is frequently necessary to installation outdoors, and outdoor concrete wire pole comes in every shape, current fiber-dividing box
The fixation needs that various cement poles can not effectively be met during installation, install more time-consuming.In consideration of it, of the invention
A kind of optical cable fiber-dividing box is provided, is had the following characteristics that
(1) a kind of optical cable fiber-dividing box of the present invention can be by the first clamping device, when installing to optical fiber case
Two clamping devices are bonded with the outer wall of cement pole, are then carried out locking limit to two clamping devices by retaining mechanism, are made
Clamping device can be fitted closely with cement pole, and when two clamping devices are close to fitting, rubber grip block can be to
Interior compressed spring freely changes fit-state so as to the outer wall shape according to cement pole, can satisfy different shape cement
The fixed of bar needs.
(2) a kind of optical cable fiber-dividing box of the present invention, the spacing between two clamping devices can be adjusted freely, and
Locked position can be changed by the first supporting mechanism, the second supporting mechanism, so that clamping device is at the middle part of cement pole,
Meet the clamping needs of different size cement poles.
(3) a kind of optical cable fiber-dividing box of the present invention, it is whole to use split modular structure, facilitate installation personnel to take
Band, so that installing and dismounting is more easy.
Summary of the invention
For the problems of the prior art, the present invention provides a kind of optical cable fiber-dividing boxes, when being installed to optical fiber case,
First clamping device, the second clamping device can be bonded with the outer wall of cement pole, then two are clamped by retaining mechanism
Mechanism carries out locking limit, and clamping device is fitted closely with cement pole, and in two clamping devices close to fitting
When, spring can be inwardly compressed in rubber grip block, freely change fit-state so as to the outer wall shape according to cement pole, energy
Enough meet the fixation needs of different shape cement pole;Spacing between two clamping devices can be adjusted freely, and can be passed through
First supporting mechanism, the second supporting mechanism change locked position, so that clamping device is at the middle part of cement pole, meet not
Clamping with size cement pole needs;It is whole to use split modular structure, facilitate installation personnel to carry, so that installing and dismounting is more
For simplicity.
The technical solution adopted by the present invention to solve the technical problems is: a kind of optical cable fiber-dividing box, including cabinet, fixation
Seat, fixed mechanism, the first supporting mechanism, the first clamping device, the second supporting mechanism, retaining mechanism, clamp and the second clamping
Mechanism;First clamping device, second clamping device are symmetrically distributed, first clamping device and described second
Structure is identical between clamping device;First clamping device, second clamping device are to be fixed fiber-dividing box;Institute
State the first clamping device, the side of second clamping device is equipped with first supporting mechanism, first clamping device,
The another side of second clamping device is equipped with second supporting mechanism;It is first supporting mechanism, second described
Support mechanism is to adjust clip position;First supporting mechanism, second supporting mechanism inside run through and have the lock
Tight mechanism, the retaining mechanism is to carry out locking limit to first supporting mechanism, second supporting mechanism;Described
The end of one supporting mechanism is equipped with the clamp, and the clamp mating connection fixed mechanism, the fixed mechanism is to right
First clamping device, second clamping device are supported adjusting;First clamping device, second clamping machine
Structure is identical between structure;The fixed mechanism is slidably connected the fixing seat, and the fixing seat is cooperatively connected the cabinet, described
Fixing seat is to carry out installation fixation to the cabinet.
Specifically, the inside of the fixing seat is provided with the buckling groove of convex, the back side of the fixing seat is symmetrically provided with two
Bar sliding slot.
Specifically, the back side of the cabinet is equipped with buckling plate, the side of the buckling plate is in inverted L shape, the buckling plate with
The internal engagement of the buckling groove connects.
Specifically, the fixed mechanism includes slide plate, fixing pipe and fixed knob, the slide plate is embedded in the sliding slot
Inside, the top surface of the slide plate is equipped with the fixing pipe, and the slide plate is fixedly connected with the fixation by the fixed knob
Seat, the clamp and the inside of the fixing pipe are connected together.
Specifically, first clamping device includes seat board, spring and rubber grip block, the side of the seat board is equipped with
First supporting mechanism, the inside of the seat board are provided with rectangle mounting groove, and the inner wall rectangular array of the mounting groove is vertical
It is fixed with the spring, the spring is fixedly connected with the rubber grip block, the rubber folder away from the end of the mounting groove
Friction block is distributed in the outer wall for holding plate.
Specifically, the two sidewalls of the rubber grip block are equipped with rotary column, the inner wall of the seat board is provided with and the rotary column phase
The limiting slot mutually cooperated.
Specifically, first supporting mechanism includes support tube, strut, limit knob and screwed pipe, the support tube
Inside be socketed with the strut, be fixedly connected between the support tube and the strut by the limit knob, the branch
Bar is vertical with the seat board to be fixedly connected, and the support tube is vertically equipped with the screwed pipe away from one end of the strut.
Specifically, the retaining mechanism includes check lock lever and lock nut, the check lock lever is located at same through two
The screwed pipe of center line, the outer wall mating connection lock nut of the check lock lever, the lock nut and the spiral shell
Line pipe is bonded to each other.
Beneficial effects of the present invention:
(1) a kind of optical cable fiber-dividing box of the present invention can be by the first clamping device, when installing to optical fiber case
Two clamping devices are bonded with the outer wall of cement pole, are then carried out locking limit to two clamping devices by retaining mechanism, are made
Clamping device can be fitted closely with cement pole, and when two clamping devices are close to fitting, rubber grip block can be to
Interior compressed spring freely changes fit-state so as to the outer wall shape according to cement pole, can satisfy different shape cement
The fixed of bar needs.
(2) a kind of optical cable fiber-dividing box of the present invention, the spacing between two clamping devices can be adjusted freely, and
Locked position can be changed by the first supporting mechanism, the second supporting mechanism, so that clamping device is at the middle part of cement pole,
Meet the clamping needs of different size cement poles.
(3) a kind of optical cable fiber-dividing box of the present invention, it is whole to use split modular structure, facilitate installation personnel to take
Band, so that installing and dismounting is more easy.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is a kind of structural schematic diagram of preferred embodiment of optical cable fiber-dividing box provided by the invention;
Fig. 2 is the first supporting mechanism structural schematic diagram shown in FIG. 1;
Fig. 3 is enlarged structure schematic diagram at A shown in Fig. 1;
Fig. 4 is cabinet shown in FIG. 1, fixing seat and fixed mechanism attachment structure schematic diagram;
Fig. 5 is the first clamping device attachment structure schematic diagram shown in FIG. 1.
In figure: 1, cabinet, 11, buckling plate, 2, fixing seat, 21, sliding slot, 22, buckling groove, 3, fixed mechanism, 31, slide plate,
32, fixing pipe, 33, fixed knob, the 4, first supporting mechanism, 41, support tube, 42, strut, 43, limit knob, 44, screwed pipe,
5, the first clamping device, 51, seat board, 511, mounting groove, 512, limiting slot, 52, spring, 53, rubber grip block, 531, friction
Block, 532, rotary column, the 6, second supporting mechanism, 7, retaining mechanism, 71, check lock lever, 72, lock nut, 8, clamp, the 9, second clamping
Mechanism.
Specific embodiment
In order to be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, tie below
Specific embodiment is closed, the present invention is further explained.
As Figure 1-Figure 5, a kind of optical cable fiber-dividing box of the present invention, including cabinet 1, fixing seat 2, fixed mechanism 3,
First supporting mechanism 4, the first clamping device 5, the second supporting mechanism 6, retaining mechanism 7, clamp 8 and the second clamping device 9;Institute
It states the first clamping device 5, second clamping device 9 to be symmetrically distributed, first clamping device 5 and second clamping
Structure is identical between mechanism 9;First clamping device 5, second clamping device 9 are to be fixed fiber-dividing box;Institute
State the first clamping device 5, the side of second clamping device 9 is equipped with first supporting mechanism 4, first clamping machine
Structure 5, second clamping device 9 another side be equipped with second supporting mechanism 6;It is first supporting mechanism 4, described
Second supporting mechanism 6 is to adjust clip position;First supporting mechanism 4, second supporting mechanism 6 inside run through
There is the retaining mechanism 7, the retaining mechanism 7 is to lock first supporting mechanism 4, second supporting mechanism 6
Tight limit;The end of first supporting mechanism 4 is equipped with the clamp 8, and the clamp 8 is cooperatively connected the fixed mechanism 3, institute
Fixed mechanism 3 is stated to be supported adjusting to first clamping device 5, second clamping device 9;First clamping
Structure is identical between mechanism 5, second clamping device 9;The fixed mechanism 3 is slidably connected the fixing seat 2, the fixation
The 2 mating connection cabinet 1 of seat, the fixing seat 2 is to carry out installation fixation to the cabinet 1.
Specifically, as shown in Figure 1, the inside of the fixing seat 2 is provided with the buckling groove 22 of convex, the fixing seat 2
The back side is symmetrically provided with two sliding slots 21;The back side of the cabinet 1 is equipped with buckling plate 11, and the side of the buckling plate 11 is in inverted L shape,
The buckling plate 11 is connect with the internal engagement of the buckling groove 22;Cabinet 1 is fastened in buckling groove 22, enables to install
Process is more easy, and when disassembly is more convenient.
Specifically, as shown in figure 4, the fixed mechanism 3 include slide plate 31, fixing pipe 32 and fixed knob 33, it is described
Slide plate 31 is embedded in the inside of the sliding slot 21, and the top surface of the slide plate 31 is equipped with the fixing pipe 32, and the slide plate 31 passes through
The fixed knob 33 is fixedly connected with the fixing seat 2, and the clamp 8 and the inside of the fixing pipe 32 are connected together;It is removable
Dynamic slide plate 31, changes the position of fixing pipe 32, to meet the installation needs of different spacing clamping devices.
Specifically, as shown in Figure 1 and Figure 5, first clamping device 5 includes seat board 51, spring 52 and rubber clamping
The side of plate 53, the seat board 51 is equipped with first supporting mechanism 4, and the inside of the seat board 51 is provided with rectangle mounting groove 511,
The inner wall rectangular array of the mounting groove 511 is vertically and fixedly provided with the spring 52, and the spring 52 deviates from the mounting groove 511
End be fixedly connected with the rubber grip block 53, friction block 531 is distributed in the outer wall of the rubber grip block 53;Friction block
531 can be improved frictional force, and rubber grip block 53 is flexible structure, can be changed according to the shape of clamping face, and can be to
Interior compressed spring 52, spring 52 are capable of providing chucking power.
Specifically, as shown in figure 3, the two sidewalls of the rubber grip block 53 are equipped with rotary column 532, the inner wall of the seat board 51
It is provided with and the mutually matched limiting slot 512 of the rotary column 532;For rubber grip block 53 in bending, rotary column 532 can be around limiting slot
512 rotations, to reduce, rubber grip block 53 is suffered in bending to pull power, and rubber grip block 53 is avoided to be torn.
Specifically, as shown in Fig. 2, first supporting mechanism 4 include support tube 41, strut 42, limit knob 43 and
Screwed pipe 44, the inside of the support tube 41 are socketed with the strut 42, pass through between the support tube 41 and the strut 42
The limit knob 43 is fixedly connected, and the strut 42 is vertical with the seat board 51 to be fixedly connected, and the support tube 41 deviates from institute
The one end for stating strut 42 is vertically equipped with the screwed pipe 44;The extension elongation of adjustable strut 42, so that clamping range is wider.
Specifically, the check lock lever 71 passes through as shown in Figure 1, the retaining mechanism 7 includes check lock lever 71 and lock nut 72
It is through at two screwed pipes 44 for being located at same center line, the outer wall mating connection lock nut of the check lock lever 71
72, the lock nut 72 is bonded to each other with the screwed pipe 44;Check lock lever 71, lock nut 72 can be turned simultaneously, so that two
A clamping device can be fitted closely with cement pole, realize locking limit.
When being installed to optical fiber case, the outer wall of the first clamping device 5, the second clamping device 9 and cement pole can be pasted
It closes, locking limit is then carried out to two clamping devices by retaining mechanism 7, enables clamping device close with cement pole
Fitting, and when two clamping devices are close to fitting, spring 52 can be inwardly compressed in rubber grip block 53, so as to according to water
The outer wall shape of mud bar and freely change fit-state, can satisfy the fixed needs of different shape cement pole;Two clamping machines
Spacing between structure can be adjusted freely, and can change locked position by the first supporting mechanism 4, the second supporting mechanism 6, be made
The middle part that clamping device is at cement pole is obtained, the clamping needs of different size cement poles are met;It is whole to use Split assembled
Formula structure, facilitates installation personnel to carry, so that installing and dismounting is more easy.Specifically have:
(1) during installation, first long according to length adjustment the first supporting mechanism 4 of cement pole, the stretching of the second supporting mechanism 6
Degree, outer drawing strut 42 make the first clamping device 5, the second clamping device 9 be in two middle side parts of cement pole, tighten fixed knob
33;
(2) check lock lever 71 is passed through to two screwed pipes 44 of the first supporting mechanism 4 and two screw threads of the second supporting mechanism 6
Lock nut 72 is screwed in the open end of check lock lever 71 by pipe 44, then continuous inwardly to squeeze precession, and precession check lock lever simultaneously
71, so that two clamping devices are mutually drawn close, rubber grip block 53 can be fitted closely with cement pole, and friction block 531 is capable of increasing
The frictional force of rubber grip block 53 and cement pole, when the retaining mechanism 7 that the first supporting mechanism 4, the second supporting mechanism 6 are connected is equal
When being screwed onto the limit, the outer wall of cement pole will be firmly fixed in the first clamping device 5, the second clamping device 9;
(3) when cement pole is rectangular parallelepiped structure, during two clamping devices are drawn close, rubber grip block 53 can be to
Interior extruding spring 52, when the outer wall out-of-flatness of cement pole has protrusion, at this position corresponding spring 52 will to contract compared with
It is more, and if somewhere when having recess, the corresponding spring 52 in this position will stretch out, so that rubber grip block 53 can be with
The outer wall of cement pole fits closely;If cement pole is cylindrical bar, rubber grip block 53 will curve inwardly to form globoidal structure,
The telescopic effect of spring 52 can be fitted closely with different-diameter cylinder cement pole, to meet the installation need of various cement poles
It wants;
(4) after clamping device is fixed, along 21 moving fixing mechanism 3 of sliding slot, so that fixing pipe 32 and clamp 8 block
It is combined, then tightens fixed knob 33, slide plate 31 is limited;The buckling plate 11 of cabinet 1 is finally snapped into fastening
In slot 22.
The present invention, can be by the first clamping device 5, the second clamping device 9 and cement pole when installing to optical fiber case
Then two clamping devices are carried out locking limit by retaining mechanism 7, enable clamping device and cement by outer wall fitting
Bar fits closely, and when two clamping devices are close to fitting, spring 52 can be inwardly compressed in rubber grip block 53, so as to
Freely change fit-state according to the outer wall shape of cement pole, can satisfy the fixed needs of different shape cement pole;Two
Spacing between clamping device can be adjusted freely, and can change locking by the first supporting mechanism 4, the second supporting mechanism 6
Position meets the clamping needs of different size cement poles so that clamping device is at the middle part of cement pole;Whole use is divided
Body fabricated structure, facilitates installation personnel to carry, so that installing and dismounting is more easy.
The basic principles, main features and advantages of the invention have been shown and described above.The technical staff of the industry should
Understand, the present invention is not limited to the above embodiments, and the description in above embodiment and specification only illustrates the present invention
Principle, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these variation and
Improvement is both fallen in the scope of protection of present invention.The claimed scope of the invention is by appended claims and its equivalent
Object defines.
Claims (8)
1. a kind of optical cable fiber-dividing box, it is characterised in that: including cabinet (1), fixing seat (2), fixed mechanism (3), the first support machine
Structure (4), the first clamping device (5), the second supporting mechanism (6), retaining mechanism (7), clamp (8) and the second clamping device (9);
First clamping device (5), second clamping device (9) symmetrically be distributed, first clamping device (5) with it is described
Structure is identical between second clamping device (9);First clamping device (5), second clamping device (9) are to a point fibre
Case is fixed;First clamping device (5), second clamping device (9) side be equipped with the first support machine
Structure (4), first clamping device (5), second clamping device (9) another side be equipped with second supporting mechanism
(6);First supporting mechanism (4), second supporting mechanism (6) are to adjust clip position;First supporting mechanism
(4), the inside of second supporting mechanism (6) is run through and is had the retaining mechanism (7), and the retaining mechanism (7) is to institute
State the first supporting mechanism (4), second supporting mechanism (6) carries out locking limit;The end of first supporting mechanism (4) is set
Have the clamp (8), the clamp (8) is cooperatively connected the fixed mechanism (3), and the fixed mechanism (3) is to described the
One clamping device (5), second clamping device (9) are supported adjusting;First clamping device (5), second folder
It is identical to hold structure between mechanism (9);The fixed mechanism (3) is slidably connected the fixing seat (2), fixing seat (2) cooperation
It connects the cabinet (1), the fixing seat (2) is to carry out installation fixation to the cabinet (1).
2. a kind of optical cable fiber-dividing box according to claim 1, it is characterised in that: the inside of the fixing seat (2) is provided with convex
The buckling groove (22) of font, the back side of the fixing seat (2) are symmetrically provided with two sliding slots (21).
3. a kind of optical cable fiber-dividing box according to claim 2, it is characterised in that: the back side of the cabinet (1), which is equipped with, to be fastened
Plate (11), the side of the buckling plate (11) are in inverted L shape, the internal engagement company of the buckling plate (11) and the buckling groove (22)
It connects.
4. a kind of optical cable fiber-dividing box according to claim 2, it is characterised in that: the fixed mechanism (3) includes slide plate
(31), fixing pipe (32) and fixed knob (33), the slide plate (31) are embedded in the inside of the sliding slot (21), the slide plate
(31) top surface is equipped with the fixing pipe (32), and the slide plate (31) is fixedly connected with the fixation by the fixed knob (33)
Seat (2), the clamp (8) and the inside of the fixing pipe (32) are connected together.
5. a kind of optical cable fiber-dividing box according to claim 1, it is characterised in that: first clamping device (5) includes seat
The side of plate (51), spring (52) and rubber grip block (53), the seat board (51) is equipped with first supporting mechanism (4),
The inside of the seat board (51) is provided with rectangle mounting groove (511), and the inner wall rectangular array of the mounting groove (511) is vertically fixed
Have the spring (52), the spring (52) is fixedly connected with the rubber grip block away from the end of the mounting groove (511)
(53), friction block (531) are distributed in the outer wall of the rubber grip block (53).
6. a kind of optical cable fiber-dividing box according to claim 5, it is characterised in that: the two sidewalls of the rubber grip block (53)
Equipped with rotary column (532), the inner wall of the seat board (51) is provided with and the rotary column (532) mutually matched limiting slot (512).
7. a kind of optical cable fiber-dividing box according to claim 6, it is characterised in that: first supporting mechanism (4) includes branch
Stay tube (41), strut (42), limit knob (43) and screwed pipe (44), the inside of the support tube (41) are socketed with the branch
Bar (42) is fixedly connected between the support tube (41) and the strut (42) by the limit knob (43), the strut
(42) vertical with the seat board (51) to be fixedly connected, the support tube (41) is vertically equipped with institute away from the one end of the strut (42)
State screwed pipe (44).
8. a kind of optical cable fiber-dividing box according to claim 7, it is characterised in that: the retaining mechanism (7) includes check lock lever
(71) and lock nut (72), the check lock lever (71) are located at the screwed pipe (44) of same center line, institute through two
State the outer wall mating connection lock nut (72) of check lock lever (71), the lock nut (72) and the screwed pipe (44) phase
Mutually fitting.
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CN201811102490.0A CN108957667B (en) | 2018-09-20 | 2018-09-20 | Optical cable divides fine case |
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CN201811102490.0A CN108957667B (en) | 2018-09-20 | 2018-09-20 | Optical cable divides fine case |
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CN108957667B CN108957667B (en) | 2020-12-25 |
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CN206717766U (en) * | 2017-04-24 | 2017-12-08 | 新华三技术有限公司 | A kind of attaching/detaching apparatus of connector |
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CN206848541U (en) * | 2017-06-29 | 2018-01-05 | 北京昊普康科技股份有限公司 | A kind of FTU exempts from welding photoelectric comprehensive case |
CN207665390U (en) * | 2017-11-02 | 2018-07-27 | 潘骏浩 | A kind of radiator of electronic component |
CN107783235A (en) * | 2017-11-08 | 2018-03-09 | 佛山鑫进科技有限公司 | A kind of adjustable bracing frame structure for being used to fix optical cable |
CN207741727U (en) * | 2017-12-26 | 2018-08-17 | 沈阳华天航空机械有限公司 | A kind of wing profile measurement fixture |
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Effective date of registration: 20201202 Address after: 239400 buildings 1 and 3, District D, high end electronic information industrial park, intersection of Huaihe Avenue and ziyangshan Road, Mingguang City, Chuzhou City, Anhui Province Applicant after: Anhui saishida Display Technology Co., Ltd Address before: 100176 Beijing Daxing Economic and Technological Development Zone Liangshuihe Second Street No. 8 Hospital No. 17 Beijing Dazu Tiancheng Semiconductor Technology Co., Ltd. Applicant before: Xu Yaqin |
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