CN105704960B - A kind of multilayer guide trough structure - Google Patents
A kind of multilayer guide trough structure Download PDFInfo
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- CN105704960B CN105704960B CN201610187505.2A CN201610187505A CN105704960B CN 105704960 B CN105704960 B CN 105704960B CN 201610187505 A CN201610187505 A CN 201610187505A CN 105704960 B CN105704960 B CN 105704960B
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- diversion trench
- diversion
- hole
- cover board
- upper layer
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0213—Venting apertures; Constructional details thereof
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0217—Mechanical details of casings
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Laying Of Electric Cables Or Lines Outside (AREA)
- Building Environments (AREA)
Abstract
The present invention relates to a kind of multilayer guide trough structures, cover board and side plate (3) including connection, the cover board includes the cover plate of upper layer (1) and lower layer's cover board (2) set gradually from top to bottom, the cover plate of upper layer (1) is equipped with the first diversion trench of at least one set (12) arranged side by side, first through hole (13) are provided on first diversion trench (12), lower layer's cover board (2) is equipped with second diversion trench (22) of face first through hole (13), the second through-hole (23) with first through hole (13) dislocation arrangement is also distributed on lower layer's cover board (2), the side plate (3) is equipped with lateral diversion cavity, the transverse direction diversion cavity is connect with the first diversion trench (12) and the second diversion trench (22) respectively, and for the first diversion trench (12) and the second water conservancy diversion will to be diverted to The water of slot (22) drains discharge.Compared with prior art, the present invention has many advantages, such as good water-proof effect, and heat dissipation performance is prominent.
Description
Technical field
The present invention relates to a kind of guide trough structures, more particularly, to a kind of multilayer guide trough structure.
Background technique
Due to the limitation of the train installation device space, the outer dimension of mobile unit is relatively small, the peace of mobile unit
It is also relatively small to fill space, but the power of mobile unit is all larger, heat dissipation and waterproof are a technological difficulties, and the efficiency to radiate
It will affect the reliable, stable of mobile unit, safety and service life with waterproof performance.
It is limited by narrow space, current mobile unit casing structure in the prevalence of cannot solve to radiate and anti-simultaneously
The problem of water, mainly to solve effectively meet the requirement of protective performance IP21 (waterproof and dustproof), especially based on heat dissipation problem
It is waterproof problem, never good solution.
Summary of the invention
Meet heat dissipation simultaneously it is an object of the present invention to overcome the above-mentioned drawbacks of the prior art and provide a kind of
With the multilayer guide trough structure of waterproof.
The purpose of the present invention can be achieved through the following technical solutions:
A kind of multilayer guide trough structure, cover board and side plate including connection, the cover board include successively setting from top to bottom
The cover plate of upper layer and lower layer's cover board set, the cover plate of upper layer is equipped with the first diversion trench of at least one set arranged side by side, described
The first diversion trench on be provided with first through hole, lower layer's cover board is equipped with the second diversion trench of face first through hole, under
The second through-hole with first through hole dislocation arrangement is also distributed on layer cover board, the side plate is equipped with lateral diversion cavity, the cross
It is connect respectively with the first diversion trench and the second diversion trench to diversion cavity, and for the first diversion trench and the second diversion trench will to be diverted to
Water drain discharge.The first through hole of arrangement that misplaces and the second through-hole be both able to achieve the air between cover plate of upper layer and lower layer's cover board
Convection current simultaneously because first through hole and the face of the second diversion trench are arranged, and will not make thus what first through hole shunted
Water is entered inside mobile unit by the second through-hole.
First diversion trench is the V word for the outward opening being made of the prismatoid block being arranged at intervals on cover plate of upper layer
Shape structure grooves open up first through hole in the bottom of the first diversion trench.First through hole is able to achieve to the external water for directly falling in cover board
The shunting of stream just greatly alleviates cover plate of upper layer and transverse direction so that it, which is divided into two parts, passes through lateral diversion cavity outflow in this way
The pressure of the guiding water flow of diversion cavity, meanwhile, V-shaped structure grooves can effectively mitigate impact of the external water stream to cover plate of upper layer
Pressure reduces the generation of splashing phenomenon, and mitigates the material requirement to cover plate of upper layer.
The top of the prismatoid block is in inner circle arc.The top of inner circle arc can also shunt the external water of a part
Stream, while being also able to cooperate prismatoid block makes significant portion of external water stream first carry out a degree of buffering, is then flowing into the
Two diversion trenches or lateral diversion cavity, to mitigate splashing caused by impact of the external water stream directly to the second diversion trench.
The first through hole is bar shaped circular hole, and interval opens up at least one on same group of the first diversion trench.Interval
The bar shaped circular hole of setting can not only increase the convection space with the second through-hole in the second diversion trench to greatest extent, and can
The effective shunting realized to the external water stream fallen on cover plate of upper layer.
It is equipped at intervals with drainage plate on lower layer's cover board, fluting forms the second water conservancy diversion of V-shaped structure on drainage plate
The second through-hole is arranged in slot, the compartment on lower layer's cover board between drainage plate, and meets the second through-hole and lead to first
Hole dislocation arrangement.
The position of second diversion trench and size meet: the water shunted from first through hole falls completely within second and leads
In chute, and the second diversion trench will not be splashed out.
Second through-hole is in the poroid arrangement of cylinder on lower layer's cover board, and aperture is no more than 3mm.
The marginal portion of second through-hole is protruding upward to form the portion that blocks water for exceeding lower layer's cover board upper surface.Block water portion
Setting, when occur the second diversion trench in water splash out when, can effectively reduce into the probability inside equipment.
The lateral diversion cavity is divided into upper layer diversion cavity and two layers of lower layer's diversion cavity, respectively with the first diversion trench and second
Diversion trench is correspondingly connected with, and setting diversion column is also threadedly coupled at the both ends of upper layer diversion cavity, one end of diversion column is as water outlet
The water flow that mouth setting at side plate both ends, the other end is used to that the Drainage Division of the first diversion trench to be guided to flow out, the Drainage Division is located at
The surface of upper layer diversion cavity.Due to being limited by space, the first diversion trench can only utilize cover plate of upper layer top surface and side plate
Connection forms upper layer diversion cavity, and then shunts respectively to side plate both ends, and the plane of cover plate of upper layer or side plate can thus be made to connect
Socket part point often has infiltration phenomenon, and is threadedly coupled upper layer diversion cavity by using diversion column, and Drainage Division is made to be in upper layer
The surface of diversion cavity, avoids seam crossing, so that it may realize waterproof purpose.In order to reinforce waterproof effect, can also connect in screw thread
It meets place and increases adhesive waterproof tape.
First diversion trench and the second diversion trench with the oriented lateral inclined slope surface of diversion cavity, the slope surface
The gradient is 1~5 °.In this way convenient for guidance flow direction transverse direction diversion cavity.
Multilayer guide trough structure of the invention is mainly used for the waterproof cooling of the equipment such as vehicle-mounted cabinet
Multilayer guide trough structure of the invention according to actual needs can also be according to actual demand (waterproof, electromagnetic shielding etc.)
Multilayer middle layer cover board is set between cover plate of upper layer and lower layer's cover board, and middle layer cover board can according to actual needs, such as cover board
On the shunting demand of external water stream, waterproof demand etc., thus selection by middle layer cover board according to the structure of cover plate of upper layer or under
The structure arrangement of layer cover board, and guarantee the dislocation arrangement of the through-hole between adjacent two cover plates, and leading on next layer of cover board
Through-hole in chute face on one layer of cover board.
Compared with prior art, the invention has the following advantages that
(1) structure of diversion trench is added design using the cover board of the double-deck even more multilayer, hardly possible always before effective solution
With the waterproof problem of solution, while also meeting electromagnetic shielding performance level requirements.
(2) when multilayer guide trough structure of the invention is for waterproof coolings of equipment such as vehicle-mounted cabinets, compared to general
Waterproof construction, the diversion trench on multilayer cover board add the first through hole shifted to install and the second through-hole, can effectively avoid water flow
Into cabinet inside, while cabinet inside and external cross-ventilation are not influenced again, after tested, compared to general waterproof construction
For, radiating efficiency of the invention can promote about 10%.
(3) second through-hole of the aperture in the poroid arrangement of cylinder on lower layer's cover board no more than 3mm effectively increases convection current
Space, and meet requirement of the mobile unit to electromagnetic shielding performance grade.
Detailed description of the invention
Fig. 1 is axis geodesic structure schematic diagram of the invention；
Fig. 2 is schematic view of the front view of the invention；
Fig. 3 is side structure schematic view of the invention；
Fig. 4 is the schematic view of the front view of cover plate of upper layer of the invention；
Fig. 5 is the enlarged structure schematic diagram of the prismatoid block in Fig. 4；
Fig. 6 is the overlooking structure diagram of cover plate of upper layer of the invention；
Fig. 7 is the enlarged diagram of the second through-hole and the second diversion trench in Fig. 6；
Fig. 8 is the schematic view of the front view of lower layer's cover board of the invention；
Fig. 9 is the enlarged diagram of the drainage plate in Fig. 8；
Figure 10 is the overlooking structure diagram of lower layer's cover board of the invention；
Figure 11 is the enlarged diagram of the second through-hole in Figure 10；
Figure 12 is the enlarged diagram of the rectangular water outlet in Figure 10；
Figure 13 is the structural schematic diagram of side plate of the invention；
Figure 14 is the enlarged diagram of lateral diversion cavity of the invention；
Figure 15 is the structural schematic diagram of diversion column of the invention；
Figure 16 is the attachment structure schematic diagram of diversion column and upper layer diversion cavity of the invention；
In figure, 1- cover plate of upper layer, 2- lower layer cover board, 3- side plate, 4- diversion column, 11- prismatoid block, the first diversion trench of 12-,
13- first through hole, 21- drainage plate, the second diversion trench of 22-, the second through-hole of 23-, the rectangular water outlet of 24-, the upper layer 31- diversion cavity,
32- lower layer diversion cavity.
Specific embodiment
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.
Embodiment 1
A kind of multilayer guide trough structure is mainly used for the waterproof and heat dissipation of the equipment such as vehicle-mounted cabinet, structure such as Fig. 1~3
Shown, guide trough structure includes the cover board and side plate 3 of connection, cover board include the cover plate of upper layer 1 that sets gradually from top to bottom and under
Layer cover board 2, the structure of cover plate of upper layer 1 is as shown in Figure 4 to 7, and cover plate of upper layer 1 is equipped with the first diversion trench 12 arranged side by side,
First diversion trench 12 is the V-shaped structure grooves for the outward opening being made of the prismatoid block 11 being arranged at intervals on cover plate of upper layer 1,
The top of prismatoid block 11 is in inner circle arc, opens up the first through hole 13 in bar shaped circular hole in the bottom of the first diversion trench 12.
As shown in Fig. 8~Figure 12, drainage plate 21 is equipped at intervals on lower layer's cover board 2, fluting forms the of V-shaped structure on drainage plate 21
Two diversion trenches 22, the end of the second diversion trench 22 are provided with the rectangular water outlet 24 for connecting lower part diversion cavity, are drawing on lower layer's cover board 2
Compartment setting between flowing plate 21 is in the second through-hole 23 of the poroid distribution of cylinder, and aperture is 3mm or so, the second through-hole 23
Marginal portion it is protruding upward form the portion that blocks water for exceeding 2 upper surface of lower layer's cover board, the second through-hole 23 misplaces with first through hole 13
Arrangement, the position of the second diversion trench 22 and size meet: the water shunted from first through hole 13 falls completely within the second diversion trench
In 22, and the second diversion trench 22 will not be splashed out, the first diversion trench 12 and the second diversion trench 22 are with oriented lateral water conservancy diversion cavity dumping
Slope surface, the gradient of slope surface is about 1 °.
As shown in Figure 13 and Figure 14, side plate 3 is equipped with lateral diversion cavity, the transverse direction diversion cavity respectively with the first diversion trench 12
It is connected with the second diversion trench 22, and the water drainage discharge for the first diversion trench 12 and the second diversion trench 22 will to be diverted to, laterally
Diversion cavity is divided into upper layer diversion cavity 31 and two layers of lower layer's diversion cavity 32, corresponding with the second diversion trench 22 with the first diversion trench 12 respectively
Connection, is also threaded with diversion column 4, in the screw thread of diversion column 4 and upper layer diversion cavity 31 at the both ends of upper layer diversion cavity 31
Coupling part is additionally provided with adhesive waterproof tape, and 4 structure of diversion column is as shown in figure 15, and one end of diversion column 4 is arranged as water outlet in side
3 both ends of plate, the water flow that the other end is used to that the Drainage Division of the first diversion trench 12 to be guided to be discharged, the Drainage Division of the first diversion trench 12 is located at
The surface of upper layer diversion cavity 31, as shown in figure 16.
Multilayer guide trough structure among the above according to actual needs can also be according to actual demand (waterproof, electromagnetic shielding etc.)
Multilayer middle layer cover board is set between cover plate of upper layer 1 and lower layer's cover board 2, and middle layer cover board can be covered such as according to actual needs
The shunting demand of external water stream on plate, waterproof demand etc., thus selection by middle layer cover board according to the structure of cover plate of upper layer 1 or
The structure of lower layer's cover board 2 is arranged, and guarantees the dislocation arrangement of the through-hole between adjacent two cover plates, and on next layer of cover board
Through-hole in diversion trench face on one layer of cover board.
Embodiment 2
A kind of multilayer guide trough structure, is mainly used for the waterproof and heat dissipation of the equipment such as vehicle-mounted cabinet, and guide trough structure includes
The cover board and side plate 3 of connection, cover board include the cover plate of upper layer 1 and lower layer's cover board 2 set gradually from top to bottom, on cover plate of upper layer 1
Equipped with the first diversion trench 12 arranged side by side, the first diversion trench 12 is the prismatoid block 11 by being arranged at intervals on cover plate of upper layer 1
The top of the V-shaped structure grooves of the outward opening of composition, prismatoid block 11 is in inner circle arc, is opened in the bottom of the first diversion trench 12
If being in the first through hole 13 of bar shaped circular hole.Drainage plate 21 is equipped at intervals on lower layer's cover board 2, fluting forms V on drainage plate 21
Second diversion trench 22 of character form structure, the end of the second diversion trench 22 are provided with the rectangular water outlet 24 for connecting lower part diversion cavity, under
Compartment setting on layer cover board 2 between drainage plate 21 is in the second through-hole 23 of the poroid distribution of cylinder, and aperture is 2mm left
The right side, the marginal portion of the second through-hole 23 is protruding upward to form the portion that blocks water for exceeding 2 upper surface of lower layer's cover board, the second through-hole 23 and the
One through-hole 13 dislocation arrangement, the position of the second diversion trench 22 and size meet: the water shunted from first through hole 13 is fallen completely
Enter in the second diversion trench 22, and the second diversion trench 22 will not be splashed out, the first diversion trench 12 and the second diversion trench 22 are with oriented cross
To the slope surface of water conservancy diversion cavity dumping, the gradient of slope surface is about 1.5 °.
Side plate 3 is equipped with lateral diversion cavity, which connects with the first diversion trench 12 and the second diversion trench 22 respectively
It connects, and the water drainage discharge for that will be diverted to the first diversion trench 12 and the second diversion trench 22, lateral diversion cavity are divided into upper layer and lead
Chamber 31 and two layers of lower layer's diversion cavity 32 are flowed, is correspondingly connected with respectively with the first diversion trench 12 and the second diversion trench 22, in upper layer water conservancy diversion
It is also threaded with diversion column 4 at the both ends of chamber 31, is additionally provided in the threaded connection part of diversion column 4 and upper layer diversion cavity 31 anti-
One end of glue band, diversion column 4 is arranged as water outlet at 3 both ends of side plate, and the other end is used to guide the row of the first diversion trench 12
The water flow of water portion discharge, the Drainage Division of the first diversion trench 12 is located at the surface of upper layer diversion cavity 31.
Multilayer guide trough structure among the above according to actual needs can also be according to actual demand (waterproof, electromagnetic shielding etc.)
Multilayer middle layer cover board is set between cover plate of upper layer 1 and lower layer's cover board 2, and middle layer cover board can be covered such as according to actual needs
The shunting demand of external water stream on plate, waterproof demand etc., thus selection by middle layer cover board according to the structure of cover plate of upper layer 1 or
The structure of lower layer's cover board 2 is arranged, and guarantees the dislocation arrangement of the through-hole between adjacent two cover plates, and on next layer of cover board
Through-hole in diversion trench face on one layer of cover board.
Embodiment 3
A kind of multilayer guide trough structure, is mainly used for the waterproof and heat dissipation of the equipment such as vehicle-mounted cabinet, and guide trough structure includes
The cover board and side plate 3 of connection, cover board include the cover plate of upper layer 1 and lower layer's cover board 2 set gradually from top to bottom, on cover plate of upper layer 1
Equipped with the first diversion trench 12 arranged side by side, the first diversion trench 12 is the prismatoid block 11 by being arranged at intervals on cover plate of upper layer 1
The top of the V-shaped structure grooves of the outward opening of composition, prismatoid block 11 is in inner circle arc, is opened in the bottom of the first diversion trench 12
If being in the first through hole 13 of bar shaped circular hole.Drainage plate 21 is equipped at intervals on lower layer's cover board 2, fluting forms V on drainage plate 21
Second diversion trench 22 of character form structure, the end of the second diversion trench 22 are provided with the rectangular water outlet 24 for connecting lower part diversion cavity, under
Compartment setting on layer cover board 2 between drainage plate 21 is in the second through-hole 23 of the poroid distribution of cylinder, aperture 1.5mm
Left and right, the marginal portion of the second through-hole 23 is protruding upward to form the portion that blocks water for exceeding 2 upper surface of lower layer's cover board, the second through-hole 23 with
The dislocation arrangement of first through hole 13, the position of the second diversion trench 22 and size meet: the water shunted from first through hole 13 is complete
It falls into the second diversion trench 22, and the second diversion trench 22 will not be splashed out, the first diversion trench 12 is with the second diversion trench 22 with oriented
The lateral inclined slope surface of diversion cavity, the gradient of slope surface are about 5 °.
Side plate 3 is equipped with lateral diversion cavity, which connects with the first diversion trench 12 and the second diversion trench 22 respectively
It connects, and the water drainage discharge for that will be diverted to the first diversion trench 12 and the second diversion trench 22, lateral diversion cavity are divided into upper layer and lead
Chamber 31 and two layers of lower layer's diversion cavity 32 are flowed, is correspondingly connected with respectively with the first diversion trench 12 and the second diversion trench 22, in upper layer water conservancy diversion
It is also threaded with diversion column 4 at the both ends of chamber 31, is additionally provided in the threaded connection part of diversion column 4 and upper layer diversion cavity 31 anti-
One end of glue band, diversion column 4 is arranged as water outlet at 3 both ends of side plate, and the other end is used to guide the row of the first diversion trench 12
The water flow of water portion discharge, the Drainage Division of the first diversion trench 12 is located at the surface of upper layer diversion cavity 31.
Multilayer guide trough structure among the above according to actual needs can also be according to actual demand (waterproof, electromagnetic shielding etc.)
Multilayer middle layer cover board is set between cover plate of upper layer 1 and lower layer's cover board 2, and middle layer cover board can be covered such as according to actual needs
The shunting demand of external water stream on plate, waterproof demand etc., thus selection by middle layer cover board according to the structure of cover plate of upper layer 1 or
The structure of lower layer's cover board 2 is arranged, and guarantees the dislocation arrangement of the through-hole between adjacent two cover plates, and on next layer of cover board
Through-hole in diversion trench face on one layer of cover board.
The above description of the embodiments is intended to facilitate ordinary skill in the art to understand and use the invention.
Person skilled in the art obviously easily can make various modifications to these embodiments, and described herein general
Principle is applied in other embodiments without having to go through creative labor.Therefore, the present invention is not limited to the above embodiments, ability
Field technique personnel announcement according to the present invention, improvement and modification made without departing from the scope of the present invention all should be of the invention
Within protection scope.
Claims (7)
1. a kind of multilayer guide trough structure, cover board and side plate (3) including connection, which is characterized in that the cover board include from
The cover plate of upper layer (1) and lower layer's cover board (2) that top to bottm is set gradually, the cover plate of upper layer (1), which is equipped with, to be arranged side by side extremely
Lack one group of first diversion trench (12), is provided with first through hole (13) on first diversion trench (12), lower layer's cover board (2)
It is equipped with second diversion trench (22) of face first through hole (13), is also distributed on lower layer's cover board (2) and first through hole (13)
The second through-hole (23) for the arrangement that misplaces, the side plate (3) are equipped with lateral diversion cavity, which leads with first respectively
Chute (12) and the second diversion trench (22) connection, and the water for the first diversion trench (12) and the second diversion trench (22) will to be diverted to
Drainage discharge；
First diversion trench (12) be from the opening that the prismatoid block (11) being arranged at intervals on cover plate of upper layer (1) forms to
Outer V-shaped structure grooves open up first through hole (13) in the bottom of the first diversion trench (12)；
The top of the prismatoid block (11) is in inner circle arc；
The lateral diversion cavity is divided into upper layer diversion cavity (31) and two layers of lower layer's diversion cavity (32), respectively with the first diversion trench
(12) it is correspondingly connected with the second diversion trench (22), setting diversion column (4) is also threadedly coupled at the both ends of upper layer diversion cavity (31),
One end of diversion column (4) is arranged as water outlet at side plate (3) both ends, and the other end is used to guide the draining of the first diversion trench (12)
The water flow of portion's discharge, the Drainage Division is located at the surface of upper layer diversion cavity (31).
2. a kind of multilayer guide trough structure according to claim 1, which is characterized in that the first through hole (13) is item
Shape circular hole is equipped at intervals at least one on same group of the first diversion trench (12).
3. a kind of multilayer guide trough structure according to claim 1, which is characterized in that between on lower layer's cover board (2)
Every being equipped with drainage plate (21), fluting forms the second diversion trench (22) of V-shaped structure, lower layer's lid on drainage plate (21)
The second through-hole (23) are arranged in compartment on plate (2) between drainage plate (21), and meet the second through-hole (23) and lead to first
Hole (13) dislocation arrangement.
4. a kind of multilayer guide trough structure according to claim 3, which is characterized in that second diversion trench (22)
Position and size meet: the water shunted from first through hole (13) is fallen completely in the second diversion trench (22), and will not be splashed out
Second diversion trench (22).
5. a kind of multilayer guide trough structure according to claim 1, which is characterized in that second through-hole (23) is under
It is in the poroid arrangement of cylinder on layer cover board (2), aperture is no more than 3mm.
6. a kind of multilayer guide trough structure according to claim 1, which is characterized in that the side of second through-hole (23)
Edge point is protruding upward to form the portion that blocks water for exceeding lower layer's cover board (2) upper surface.
7. a kind of multilayer guide trough structure according to claim 1, which is characterized in that first diversion trench (12) with
For second diversion trench (22) with the inclined slope surface of oriented lateral diversion cavity, the gradient of the slope surface is 1~5 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610187505.2A CN105704960B (en) | 2016-03-29 | 2016-03-29 | A kind of multilayer guide trough structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610187505.2A CN105704960B (en) | 2016-03-29 | 2016-03-29 | A kind of multilayer guide trough structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105704960A CN105704960A (en) | 2016-06-22 |
| CN105704960B true CN105704960B (en) | 2019-04-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610187505.2A Active CN105704960B (en) | 2016-03-29 | 2016-03-29 | A kind of multilayer guide trough structure |
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| CN (1) | CN105704960B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108599051A (en) * | 2018-05-15 | 2018-09-28 | 浙江工贸职业技术学院 | A kind of terminal box for electrical equipment |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2479110Y (en) * | 2001-05-16 | 2002-02-27 | 华胤(厦门)钢业有限公司 | Ventilating device for roof |
| CN201056794Y (en) * | 2007-04-13 | 2008-05-07 | 何兆基 | Catchment type thermal shield |
| CN204031657U (en) * | 2014-08-18 | 2014-12-17 | 宁波市令通电信设备有限公司 | Comprehensive pallet |
| CN205546280U (en) * | 2016-03-29 | 2016-08-31 | 上海铁路通信有限公司 | Multilayer guiding gutter structure |
-
2016
- 2016-03-29 CN CN201610187505.2A patent/CN105704960B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2479110Y (en) * | 2001-05-16 | 2002-02-27 | 华胤(厦门)钢业有限公司 | Ventilating device for roof |
| CN201056794Y (en) * | 2007-04-13 | 2008-05-07 | 何兆基 | Catchment type thermal shield |
| CN204031657U (en) * | 2014-08-18 | 2014-12-17 | 宁波市令通电信设备有限公司 | Comprehensive pallet |
| CN205546280U (en) * | 2016-03-29 | 2016-08-31 | 上海铁路通信有限公司 | Multilayer guiding gutter structure |
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| Publication number | Publication date |
|---|---|
| CN105704960A (en) | 2016-06-22 |
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