CN209313079U - Fool-proof connector of bus - Google Patents
Fool-proof connector of bus Download PDFInfo
- Publication number
- CN209313079U CN209313079U CN201920151627.5U CN201920151627U CN209313079U CN 209313079 U CN209313079 U CN 209313079U CN 201920151627 U CN201920151627 U CN 201920151627U CN 209313079 U CN209313079 U CN 209313079U
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- CN
- China
- Prior art keywords
- bus
- plate
- sliding slot
- insulation plate
- metal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000002184 metal Substances 0.000 claims abstract description 61
- 229910052751 metal Inorganic materials 0.000 claims abstract description 61
- 238000009413 insulation Methods 0.000 claims abstract description 51
- 239000004020 conductor Substances 0.000 claims abstract description 36
- 238000003780 insertion Methods 0.000 claims abstract description 18
- 230000037431 insertion Effects 0.000 claims abstract description 18
- 230000000903 blocking effect Effects 0.000 claims abstract description 16
- 238000009422 external insulation Methods 0.000 claims description 32
- 238000003825 pressing Methods 0.000 claims description 19
- 230000009977 dual effect Effects 0.000 claims description 17
- 239000000463 material Substances 0.000 abstract description 14
- 230000000694 effects Effects 0.000 abstract description 7
- 239000003365 glass fiber Substances 0.000 abstract description 6
- 238000009434 installation Methods 0.000 abstract description 6
- 238000012856 packing Methods 0.000 abstract 2
- 238000004519 manufacturing process Methods 0.000 description 9
- 229920000297 Rayon Polymers 0.000 description 6
- 229920000915 polyvinyl chloride Polymers 0.000 description 6
- 239000004800 polyvinyl chloride Substances 0.000 description 6
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 4
- 239000010931 gold Substances 0.000 description 4
- 229910052737 gold Inorganic materials 0.000 description 4
- 238000007689 inspection Methods 0.000 description 4
- 230000005611 electricity Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 206010044565 Tremor Diseases 0.000 description 1
- 239000011133 lead Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
Abstract
The utility model provides a bus prevent slow-witted formula connector, including interior insulation board, metal sheet, compel tight structure and fixing device. The inner insulating plate comprises a body, an inserting part and a blocking part. The insertion part is arranged at one end of the body, tapers towards the direction far away from the body and has a tapered section. The blocking part is arranged at the other end of the body. The metal plates are respectively arranged on two sides of the bodies of the inner insulating plates and are used for electrically connecting the metal conductors of the two buses. The fixing device fixes the two packing structures so that the plurality of inner insulating plates, the plurality of metal plates, and the plurality of metal conductors are clamped between the two packing structures. Therefore, the utility model discloses can ensure that the installation direction of interior insulating piece is correct, interior, outer insulating piece is good and rapid together with the fixed effect of metal sheet, chooses for use the material preparation interior, outer insulating piece that is cheaper than glass fiber, save material cost.
Description
Technical field
The utility model is in relation to a kind of connector, especially a kind of Anti-stiff connector to connect two buses.
Background technique
The equipment overwhelming majority among industrial site is the device of high electricity consumption, typically with cable either bus
As power transmission device, to provide long-time, a large amount of and stable electric power give the device of high electricity consumption, in workshop
Equipment normal operation is avoided in transmission process causing equipment running exception because of electric power shakiness or interruption or be stopped.Wherein
It is preferred with the effect of bus.Two buses are concatenated by a connector, and multiple interior insulation sector-meetings of connector are by the more of bus
A metallic conductor separates one by one.
However, the multiple interior insulation piece of existing connector needs to lean on when being installed between metallic conductor
Check whether the installation direction of interior insulation piece is correct, if otherwise installation direction is inverted (that is, anti-loaded), will cause bus short circuit.
Although can solve the above problems by the installation direction of manual inspection interior insulation piece, manual inspection may occasionally have a careless mistake and
The direction of insertion of the multiple interior insulation piece of connector is inverted, therefore short-circuit generation cannot be avoided completely.
Also, the multiple inside and outside insulating trip of existing connector is to be fixed on metal by viscose together with metal plate
Between conductor, although fixed effect is pretty good, viscose solidification needs a period of time, causes the Production Time of existing connector
It is longer, and buy viscose and be also required to an expense, improve manufacturing cost.
In addition, the material of the multiple inside and outside insulating trip of existing connector is expensive glass fibre, and have
The excessively high problem of material cost.
Utility model content
The main purpose of the utility model is to provide a kind of Anti-stiff connectors of bus, it can be ensured that the peace of interior insulation piece
It fills in the right direction, is fully able to avoid that short circuit occurs, without manual inspection.
The another object of the utility model is to provide a kind of Anti-stiff connector of bus, can connect inside and outside insulating trip
Clamping between metallic conductor with metal plate, fixed effect is good and rapid, without using viscose, shortens the production of the utility model
Time saves material cost, reduces manufacturing cost.
A further object of the utility model is to provide a kind of Anti-stiff connector of bus, select cheaper than glass fibre
Material make inside and outside insulating trip, save material cost.
In order to reach purpose above-mentioned, the utility model will provide a kind of Anti-stiff connector of bus, to connect two
Multiple metallic conductors of bus, including multiple interior insulation plates and multiple metal plates.
The multiple interior insulation plate spaced-apart relation and respectively include an ontology, an insertion section and a blocking portion, insertion
Portion is set to one end of ontology and, the most narrow place insertion section of adjacent two interior insulation plates between tapered toward the direction far from ontology
Equal to the thickness of each metallic conductor, the widest part between the insertion section of two adjacent interior insulation plates is greater than the thickness of each metallic conductor
Degree, blocking portion are set to the other end of ontology, and the distance between adjacent blocking portion of two interior insulation plates is less than each metallic conductor
Thickness.
The multiple metal plate is respectively arranged on the two side faces of the ontology of the multiple interior insulation plate and is for electrically connecting to
The multiple metallic conductor of the two lines bus, the distance between two adjacent metal plates are equal to the thickness of each metallic conductor.
Preferably, the Anti-stiff connector of bus further includes two compacting structures and a fixed device, two compacting structure
It is located at the outside of outermost two interior insulations plate, wherein two metal plates are respectively arranged on the inside of two compacting structure, Gu
Fixed two compacting structure of device is determined, so that the multiple interior insulation plate, the multiple metal plate and the multiple metal are led
Body is by clamping between two compacting structure.
Preferably, each compacting structure includes a pressing plate and an external insulation plate, pressing plate is set to the outside of external insulation plate, wherein one
Metal plate is set to the inside of external insulation plate.
Preferably, the inside of each external insulation plate is equipped with two U-shaped blocks, the opening facing each other of the two U-shapeds block, each U-shaped block
With a top, a middle part and a lower part, middle part is set between top and the outside of lower part and its inside opens up one and slides
Slot is resisted against institute wherein the dual side-edge of a metal plate is slidedly arranged in the sliding slot of the middle part of the two U-shapeds block at the top of metal plate
The bottom end on the top of two U-shaped blocks is stated, the bottom of metal plate is resisted against the top of the lower part of the two U-shapeds block.
Preferably, the internal diameter of the sliding slot of the middle part of the two U-shapeds block is inwardly tapered from its opening and is in skewed slot shape, each gold
The shape of the dual side-edge of category plate corresponds to the sliding slot of the middle part of the two U-shapeds block and is in inclination.
Preferably, the outside of each external insulation plate is equipped with two raised lines, a sliding slot, two sides of each pressing plate are opened up on the inside of each raised line
While being slidedly arranged on the sliding slot of two raised line；The internal diameter of the sliding slot of two raised line is inwardly tapered from its opening and is in skewed slot shape, respectively
The shape of the dual side-edge of metal plate corresponds to the sliding slot of two raised line and is in inclination.
Preferably, each pressing plate opens up multiple fixation holes, each external insulation plate opens up multiple fixation holes, and fixed device includes multiple
Fastener, multiple nuts and multiple pads, the multiple fastener be arranged in respectively the pressing plate fixation hole and it is described it is outer absolutely
The fixation hole of listrium, the multiple gasket are sheathed on one end of the multiple fastener and its inside respectively and are resisted against the pressure
Plate, the multiple nut are locked in one end of the multiple fastener respectively and are resisted against the outside of the multiple gasket.
Preferably, the two side faces of the ontology of each interior insulation plate are equipped with two fins, a sliding slot, each gold are opened up on the inside of each fin
The dual side-edge for belonging to plate is slidedly arranged on the sliding slot of two fin, and the internal diameter of the sliding slot of two fin is inwardly tapered from its opening and is in
Skewed slot shape, the shape of the dual side-edge of each metal plate correspond to the sliding slot of two fin and are in inclination.
Preferably, the section of the insertion section of each interior insulation plate is tapered.
Preferably, projecting upwards a convex parapet among the top of the blocking portion of each interior insulation plate and keeping its section T-shaped.
The effect of the utility model, is that the utility model can ensure that the installation direction of interior insulation piece is correct, is fully able to
It avoids that short circuit occurs, without manual inspection.Also, the utility model can be clamping in metal together with metal plate by inside and outside insulating trip
Between conductor, fixed effect is good and rapid, shortens the Production Time of the utility model, without viscose is used, saves material cost,
Reduce manufacturing cost.In addition, the utility model selects the material cheaper than glass fibre to make inside and outside insulating trip, material is saved
Cost.
Detailed description of the invention
Fig. 1 is the perspective view of the Anti-stiff connector of the bus of the utility model；
Fig. 2 is the exploded view of the Anti-stiff connector of the bus of the utility model；
Fig. 3 is the front view of the Anti-stiff connector of the bus of the utility model；
Fig. 4 is the interior insulation plate of the Anti-stiff connector of the bus of the utility model and the exploded view of metal plate；
Fig. 5 is the compacting structure of the Anti-stiff connector of the bus of the utility model and the exploded view of metal plate；
Fig. 6 is that the compacting structure of the Anti-stiff connector of the bus of the utility model and another visual angle of metal plate are decomposed
Figure；
Fig. 7 is the perspective view that the Anti-stiff connector of the bus of the utility model connects multiple metallic conductors of two lines bus；
Fig. 8 is that the Anti-stiff connector of the bus of the utility model connects the section view between multiple metallic conductors of two lines bus
Figure.
Description of symbols:
1 Anti-stiff connector
2,2' bus
3,3' metallic conductor
10 interior insulation plates
11 ontologies
111 fins
1111 sliding slots
12 insertion sections
13 blocking portions
131 convex parapets
20 metal plates
21 sides
30 compacting structures
31 pressing plates
311 sides
312 fixation holes
32 external insulation plates
321 U-shaped blocks
3211 tops
3212 middle parts
3213 lower parts
3214 sliding slots
322 raised lines
3221 sliding slots
323 fixation holes
40 fixed devices
41 fasteners
42 nuts
43 gaskets
Specific embodiment
Cooperate schema and component symbol to do more detailed description to the embodiments of the present invention below, makes to be familiar with the reality
It can be implemented accordingly after studying this specification carefully with novel person.
Fig. 1 to Fig. 6 is please referred to, Fig. 1 is the perspective view of the Anti-stiff connector of the bus of the utility model, and Fig. 2 is this reality
With the exploded view of the Anti-stiff connector of novel bus, Fig. 3 is the forward sight of the Anti-stiff connector of the bus of the utility model
Figure, Fig. 4 are the interior insulation plate of the Anti-stiff connector of the bus of the utility model and the exploded view of metal plate, and Fig. 5 is that this is practical
The compacting structure of the Anti-stiff connector of novel bus and the exploded view of metal plate, Fig. 6 are the anti-of the bus of the utility model
The compacting structure of slow-witted formula connector and another visual angle exploded view of metal plate, the Anti-stiff that the utility model provides a kind of bus connect
Device 1 is connect, to connect multiple metallic conductors 3, the 3' of two lines bus 2,2', including multiple interior insulation plates 10 and multiple metal plates
20。
The multiple 10 spaced-apart relation of interior insulation plate and respectively include an ontology 11, an insertion section 12 and a blocking portion
13.Insertion section 12 is set to one end of ontology 11 and tapered toward the direction far from ontology 11, and adjacent two interior insulation plates 10 are inserted
Enter the thickness that most narrow place between portion 12 is equal to each metallic conductor 3,3', between the insertion section 12 of two adjacent interior insulation plates 10
The widest part is greater than the thickness of each metallic conductor 3,3'.Blocking portion 13 is set to the other end of ontology 11, two adjacent interior insulation plates 10
The distance between blocking portion 13 be less than the thickness of each metallic conductor 3,3'.Specifically, the ontology 11 of each interior insulation plate 10
Two side faces are equipped with two fins 111, and the inside of each fin 111 opens up a sliding slot 1111, and the insertion section 12 of each interior insulation plate 10 is cut
Face is tapered, and a convex parapet 131 is projected upwards among the top of the blocking portion 13 of each interior insulation plate 10 and keeps its section T-shaped.Compared with
Goodly, the internal diameter of the sliding slot 1111 of two fin 111 is inwardly tapered from its opening and is in skewed slot shape.
The multiple metal plate 20 is respectively arranged on the two side faces of the ontology 11 of the multiple interior insulation plate 10 and to electricity
Property connect the multiple metallic conductor 3, the 3' of the two lines bus 2,2', the distance between two adjacent metal plates 20 are equal to each gold
Belong to the thickness of conductor 3,3'.Specifically, the dual side-edge 21 of each metal plate 20 is slidedly arranged on the sliding slot 1111 of two fin 111,
Whereby, metal plate 20 is easy to be assembled in the inside of interior insulation plate 10.Preferably, the shape of the dual side-edge 21 of each metal plate 20 is corresponding
The sliding slot 1111 of two fin 111 and be in inclination.Metal plate 20 is easier to be assembled in the inside of interior insulation plate 10 as a result,.
Fig. 7 and Fig. 8 is please referred to, Fig. 7 is that the Anti-stiff connector 1 of the bus of the utility model connects multiple gold of two lines bus
Belong to conductor perspective view, Fig. 8 be the utility model bus Anti-stiff connector connect two lines bus multiple metallic conductors it
Between cross-sectional view.In assembling, user is convenient for holding convex parapet 131 and interior insulation plate 10 being inserted into the two lines bus 2,2'
The multiple metallic conductor 3, between 3', make the insertion section 12 of the ontology 11 of the multiple interior insulation plate 10 can be longitudinal easily
The two lines bus 2, the multiple metallic conductor 3 of 2' are inserted into, between 3', until the two lines bus 2, the multiple metal of 2'
Conductor 3,3' one end be resisted against the multiple interior insulation plate 10 blocking portion 13 until, each metal plate 20 contacts described two simultaneously
The needs metallic conductor 3, the 3' that concatenate of bus 2,2', to provide the two lines bus 2,2' is electrically connected.Whereby, the utility model
It can ensure that the installation direction of interior insulation plate 10 is correct, be fully able to avoid that short circuit occurs, so there is no need to manually check.
In the preferred embodiment, the Anti-stiff connector 1 of the bus of the utility model further includes two compacting structures 30 and one
Fixed device 40.Two compacting structure 30 is located at the outside of outermost two interior insulations plate 10, wherein two metal plates 20
It is respectively arranged on the inside of two compacting structure 30.Fixed fixed two compacting structure 30 of device 40, so that in the multiple
Insulation board 10, the multiple metal plate 20 and the multiple metallic conductor 3,3' by clamping between two compacting structure 30,
Fixed effect is good and rapid, without viscose is used, shortens the Production Time of the utility model, saves material cost, reduces manufacture
Cost.
More particularly, each compacting structure 30 includes a pressing plate 31 and an external insulation plate 32.Pressing plate 31 is set to external insulation plate
32 outside a, wherein metal plate 20 is set to the inside of external insulation plate 32.Preferably, the inside of each external insulation plate 32 is equipped with two U
Shape block 321, the opening facing each other of the two external insulations plate 32；Each U-shaped block 321 has a top 3211, a middle part 3212
And a lower part 3213, middle part 3212 is set between top 3211 and the outside of lower part 3213 and its inside opens up a sliding slot
3214；Wherein the dual side-edge 21 of a metal plate 20 is slidedly arranged in the sliding slot 3214 of the middle part 3212 of the two external insulations plate 32,
The top of the metal plate 20 is resisted against the bottom end on the top 3211 of the two external insulations plate 32, and the bottom of the metal plate 20 is supported
It is against the top of the lower part 3213 of the two external insulations plate 32.Whereby, metal plate 20 is easy to be assembled in the inside of external insulation plate 32.
Preferably, the internal diameter of the sliding slot 3214 of the middle part 3212 of the two external insulations plate 32 is inwardly tapered from its opening and is in skewed slot
Shape, the shape of the dual side-edge 21 of each metal plate 20 correspond to the sliding slot 3214 of the middle part 3212 of the two external insulations plate 32 and in oblique
Horn shape.Metal plate 20 is easier to be assembled in the inside of external insulation plate 32 as a result,.Preferably, the outside of each external insulation plate 32 is equipped with
Two raised lines 322, the inside of each raised line 322 open up a sliding slot 3221, and the dual side-edge 311 of each pressing plate 31 is slidedly arranged on two raised line
322 sliding slot 3221.Whereby, pressing plate 31 is easy to be assembled in the outside of external insulation plate 32.Preferably, the cunning of two raised line 322
The internal diameter of slot 3221 is inwardly tapered from its opening in skewed slot shape, and it is convex that the shape of the dual side-edge 21 of each metal plate 20 corresponds to described two
The sliding slot 3221 of item 322 and be in inclination.Pressing plate 31 is easier to be assembled in the outside of external insulation plate 32 as a result,.Preferably, each pressure
Plate 31 opens up multiple fixation holes 312, and each external insulation plate 32 opens up multiple fixation holes 323, and fixed device 40 includes multiple fasteners
41, multiple nuts 42 and multiple pads 43, the multiple fastener 41 are arranged in fixation hole 312 and the institute of the pressing plate 31 respectively
State the fixation hole 323 of external insulation plate 32, the multiple gasket 43 be sheathed on respectively one end of the multiple fastener 41 and its
Inside is resisted against the pressing plate 31, and the multiple nut 42 is locked in one end of the multiple fastener 41 respectively and is resisted against
The outside of the multiple gasket 43.
It is noted that the material of interior insulation plate 10 and external insulation plate 32 is polyvinyl chloride (PolyVinyl
Chloride, PVC) or polyvinyl chloride and lead composition.The cost of the composition of polyvinyl chloride or polyvinyl chloride and lead
It is lower than glass fibre, that is to say, that the utility model select cheaper than glass fibre material production interior insulation plate 10 and it is outer absolutely
Listrium 32 can save material cost.
The foregoing is merely the preferred embodiment to explain the utility model, it is not intended to accordingly do the utility model
Limitation in any form, therefore, it is all have make any modification in relation to the utility model under identical utility model spirit
Or change, it all should include being intended to the scope of protection in the utility model.
Claims (10)
1. the Anti-stiff connector of a kind of bus, to connect multiple metallic conductors of two lines bus characterized by comprising
Multiple interior insulation plates, spaced-apart relation and respectively include an ontology, an insertion section and a blocking portion, the insertion section is set
In the ontology one end and toward far from the ontology direction it is tapered, between the insertion section of two adjacent interior insulation plates most
Narrow place is equal to the thickness of each metallic conductor, and the widest part between the insertion section of two adjacent interior insulation plates is greater than each metallic conductor
Thickness, the blocking portion are set to the other end of the ontology, and the distance between adjacent blocking portion of two interior insulation plates is less than each
The thickness of metallic conductor；And
Multiple metal plates are respectively arranged on the two side faces of the ontology of the multiple interior insulation plate and are for electrically connecting to described two always
The multiple metallic conductor of line, the distance between two adjacent metal plates are equal to the thickness of each metallic conductor.
2. the Anti-stiff connector of bus as described in claim 1, which is characterized in that further include that two compacting structures and one are fixed
Device, two compacting structure are located at the outside of outermost two interior insulations plate, wherein two metal plates be respectively arranged on it is described
The inside of two compacting structures, fixed two compacting structure of the fixed device, so that the multiple interior insulation plate, the multiple
Metal plate and the multiple metallic conductor are by clamping between two compacting structure.
3. the Anti-stiff connector of bus as claimed in claim 2, which is characterized in that each compacting structure includes a pressing plate and one
External insulation plate, the pressing plate are set to the outside of the external insulation plate, wherein a metal plate is set to the inside of the external insulation plate.
4. the Anti-stiff connector of bus as claimed in claim 3, which is characterized in that the inside of each external insulation plate is equipped with two U
Shape block, the opening facing each other of the two U-shapeds block, each U-shaped block have a top, a middle part and a lower part, the middle part
Between the outside of the top and the lower part and its inside opens up a sliding slot, wherein the dual side-edge cunning of a metal plate is set
In the sliding slot of the middle part of the two U-shapeds block, the bottom end on the top of the two U-shapeds block is resisted against at the top of the metal plate,
The bottom of the metal plate is resisted against the top of the lower part of the two U-shapeds block.
5. the Anti-stiff connector of bus as claimed in claim 4, which is characterized in that the cunning of the middle part of the two U-shapeds block
The internal diameter of slot is inwardly tapered from its opening in skewed slot shape, and the shape of the dual side-edge of each metal plate corresponds in the two U-shapeds block
Between portion sliding slot and be in inclination.
6. the Anti-stiff connector of bus as claimed in claim 3, which is characterized in that it is convex that the outside of each external insulation plate is equipped with two
Item opens up a sliding slot on the inside of each raised line, and the dual side-edge of each pressing plate is slidedly arranged on the sliding slot of two raised line, the cunning of two raised line
The internal diameter of slot is inwardly tapered from its opening in skewed slot shape, and the shape of the dual side-edge of each metal plate corresponds to the sliding slot of two raised line
And it is in inclination.
7. the Anti-stiff connector of bus as claimed in claim 3, which is characterized in that each pressing plate opens up multiple fixation holes, respectively
External insulation plate opens up multiple fixation holes, and the fixed device includes multiple fasteners, multiple nuts and multiple pads, the multiple
Fastener is arranged in the fixation hole of the pressing plate respectively and the fixation hole of the external insulation plate, the multiple gasket are sheathed on respectively
One end of the multiple fastener and its inside are resisted against the pressing plate, and the multiple nut is locked in the multiple tight respectively
One end of firmware and the outside for being resisted against the multiple gasket.
8. the Anti-stiff connector of bus as described in claim 1, which is characterized in that the two side faces of the ontology of each interior insulation plate
Equipped with two fins, a sliding slot is opened up on the inside of each fin, the dual side-edge of each metal plate is slidedly arranged on the sliding slot of two fin, described
The internal diameter of the sliding slot of two fins is inwardly tapered from its opening in skewed slot shape, and the shape of the dual side-edge of each metal plate corresponds to described two
The sliding slot of fin and be in inclination.
9. the Anti-stiff connector of bus as described in claim 1, which is characterized in that the section of the insertion section of each interior insulation plate
It is tapered.
10. the Anti-stiff connector of bus as described in claim 1, which is characterized in that the top of the blocking portion of each interior insulation plate
End is intermediate to be projected upwards a convex parapet and keeps its section T-shaped.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW107207412 | 2018-06-04 | ||
| TW107207412U TWM567975U (en) | 2018-06-04 | 2018-06-04 | Foolproof bus connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209313079U true CN209313079U (en) | 2019-08-27 |
Family
ID=64870957
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920151627.5U Active CN209313079U (en) | 2018-06-04 | 2019-01-29 | Fool-proof connector of bus |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN209313079U (en) |
| TW (1) | TWM567975U (en) |
-
2018
- 2018-06-04 TW TW107207412U patent/TWM567975U/en unknown
-
2019
- 2019-01-29 CN CN201920151627.5U patent/CN209313079U/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| TWM567975U (en) | 2018-10-01 |
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