CN108173078A - A kind of 3D printing supply line double back circuit switching device and its application method - Google Patents
A kind of 3D printing supply line double back circuit switching device and its application method Download PDFInfo
- Publication number
- CN108173078A CN108173078A CN201711477228.XA CN201711477228A CN108173078A CN 108173078 A CN108173078 A CN 108173078A CN 201711477228 A CN201711477228 A CN 201711477228A CN 108173078 A CN108173078 A CN 108173078A
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- connector
- switching device
- fixed column
- built
- application method
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
- H01R13/633—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances for disengagement only
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
- H01R13/631—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances for engagement only
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R31/00—Coupling parts supported only by co-operation with counterpart
- H01R31/06—Intermediate parts for linking two coupling parts, e.g. adapter
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- Push-Button Switches (AREA)
Abstract
The invention discloses a kind of 3D printing supply line double back circuit switching device and its application methods, are related to switching device field.The switching device, including connector and switch, the left end insertion setting of connector is fluted, and the right side inside connector is fixed with built-in connector, and the both sides up and down of connector right end, which are run through, is connected with external connector.It is provided with the connecting groove in " eight " shape, and the embedded middle part for being arranged on external connector, this can pass through the groove among this " eight " shape, connection conductor can be embedded in be fixed in external connector, achieve the effect that circuit being capable of normal use, it is provided with the connection conductor in " triangle ", and there are two settings, and symmetrically it is fixedly connected on the front and rear sides on the left of fixed column, it can be thus embedded into conductor is connected on external connector by the acute angle of triangle, and it can easily be extracted by way of plug, it is conducive to switch with circuit of this kind of switching device to two kinds in this way.
Description
Technical field
The present invention relates to switching device technical field, specially a kind of 3D printing supply line double back circuit switching device and its
Application method.
Background technology
Double loop just refers to that a load has the circuit of 2 power supplies, generally, requires power supply reliability high enterprise
Industry, or the important substation in area, are powered using double loop, one of power supply can be protected to have a power failure for some reason in this way, another electricity
Source can continue power supply but often be powered to the general medium and small user of less demanding to power supply reliability using single supply, single time
Road just refers to that there are one current supply circuits；There are 2 current supply circuits in double loop, for example, from total power distribution cabinet to distribution box with 2 cables,
In fact 1 just it is enough, 2 are exactly to prevent wherein 1 damage from will not have a power failure, also single supply power, dual power supply, be exactly one
There are the different high-pressure system power supply in 2 tunnels in a factory or community, wherein high-voltage line has a power failure all the way, another way can be with normal power supply, such as
Other than dual power supply, will also there be stand-by generator in the prior place of fruit, in this way, two-way high pressure all has a power failure, can also use hair
Motor.
Two kinds of circuits accurately can not be carried out switching back and forth very by existing double back circuit switching device, need to spend
Staff can complete a large amount of time, not only increase the pressure and burden of staff in this way, also allow existing double
Widely application and accreditation can not be commercially available in loop switch device.
Invention content
(1) the technical issues of solving
In view of the deficiencies of the prior art, the present invention provides a kind of 3D printing supply line double back circuit switching device and its make
With method, solve the problems, such as mentioned above can not accurately switch two kinds of circuits.
(2) technical solution
In order to achieve the above object, the present invention is achieved by the following technical programs：A kind of 3D printing supply line double back
Circuit switching device and its application method, including connector and switch, the left end insertion setting of the connector is fluted, described
Right side inside connector is fixed with built-in connector, and the both sides up and down of the connector right end, which are run through, is connected with external connection
Head, and external connector is closely connect with built-in connector, the middle part insertion of the external connector is provided with connecting groove, institute
It states and conductive sheet is respectively and fixedly provided at left and right sides of connecting groove inner wall, the middle part inside the external connector is provided through built-in
Transmission line, the upper end of the switch are provided through rotation control key and sensing lamp, and the upper end inside the switch is run through
It is provided with retainer ring, the insertion of the both sides up and down on the left of the retainer ring is provided with snap-in groove, connects on the right side of the retainer ring
Delivery guidewire is connected to, described rotate is welded with fixed column, buckle is fixedly arranged above on the left of the fixed column below control key,
Middle part on the right side of the fixed column is connected with delivery guidewire connector, and it is conductive that connection is welded with below the fixed column left end
Device, the middle part below the fixed column are connected with centre rotational axis and built-in spring, and the lower end of the centre rotational axis is provided with
Rotating ring.
Preferably, the connecting groove setting is in " eight " shape, and is applied in the middle part of external connector.
Preferably, the connection conductor is provided with two, and be symmetricly set on the left and right sides of fixed column, and connects conductive
Device setting is in " triangle ".
Preferably, the rotating ring setting is in " annulus " shape, and centre rotational axis runs through setting by the inner ring of " annulus "
In rotating ring.
Preferably, the built-in spring is circumferentially positioned at the outside of centre rotational axis, a lower section for being connected to fixed column,
Other end is fixedly connected on the top of rotating ring.
Preferably, the conductive sheet setting is in " circular arc " shape, and there are two settings, is symmetrically fixedly connected in connecting groove
The left and right sides of wall.
Preferably, the sensing lamp is electrically connected with built-in connector.
(3) advantageous effect
The present invention provides a kind of 3D printing supply line double back circuit switching device and its application methods, have following beneficial
Effect：
1st, the double back circuit switching device, by be provided be in " eight " shape connecting groove A05, and it is embedded be arranged on it is external
The middle part of connector A04, this can allow connection conductor A17 can be embedding by the groove among this " eight " shape
Enter to be fixed in external connector A04, achieve the effect that circuit being capable of normal use.
2nd, the double back circuit switching device, by being provided with the connection conductor A17 in " triangle ", and there are two settings,
And the front and rear sides on the left of fixed column A14 are symmetrically fixedly connected on, it can will thus be connected by the acute angle of triangle conductive
Device A17 is embedded on external connector A04, and can easily be extracted by way of plug, is conducive to switch with this kind in this way
Device switches two kinds of circuit.
3rd, the double back circuit switching device, by being provided with the rotating ring A20 in " annulus " shape, centre rotational axis A18 passes through
Through being arranged in rotating ring A20, such centre rotational axis A18 and fixed column A11 can just be utilized in this way the inner ring of " annulus "
Either the flexible of vertical direction is conducive to buckle A16 insertions or extracts block for the rotation of the inner ring progress horizontal direction of " annulus "
It detains in groove A12.
4th, the double back circuit switching device, by being provided with the rotation control key A09 in " cylinder " shape, such staff is just
Control key A09 can be rotated by rotating this kind, to carry out the conversion of both ends circuit line, simple operation, and conveniently, without work
As personnel devote a tremendous amount of time and do the best the switching that can just complete to electrical wiring.
5th, the double back circuit switching device, by being provided with the connector A01 in " cuboid ", and connector A01 is hollow
Design, this makes it possible to the places for the connector A01 that two circuit lines are placed on to hollow design, are not only able to protect circuit
Line will not be corroded by rainwater or dust, also act as and help the fixed effect of circuit line.
Description of the drawings
Fig. 1 is the overall structure diagram of the present invention；
Fig. 2 is the connector partial structural diagram of the present invention；
Fig. 3 is the external connector partial structural diagram of the present invention；
Fig. 4 is the switch partial structural diagram of the present invention；
Fig. 5 is the rotation control key partial structural diagram of the present invention.
In figure：A01, connector, A02, groove, A03, built-in connector, A04, external connector, A05, connecting groove,
A06, conductive sheet, A07, built-in transmission line, A08, switch, A09, rotation control key, A10, sensing lamp, A11, retainer ring,
A12, snap-in groove, A13, delivery guidewire, A14, fixed column, A15, delivery guidewire connector, A16, buckle, A17, connection are conductive
Device, A18, centre rotational axis, A19, built-in spring, A20, rotating ring.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment shall fall within the protection scope of the present invention.
The embodiment of the present invention provides a kind of 3D printing supply line double back circuit switching device and its application method, such as Fig. 1-5
Shown, including connector (A01) and switch (A08), the left end insertion of connector (A01) sets fluted (A02), connector
(A01) internal right side is fixed with built-in connector (A03), and the both sides up and down of connector (A01) right end are outer through being connected with
Connector (A04) is put, and external connector (A04) is closely connect with built-in connector (A03), in external connector (A04)
Portion's insertion is provided with connecting groove (A05), and conductive sheet (A06) is respectively and fixedly provided at left and right sides of connecting groove (A05) inner wall, external
The internal middle part of connector (A04) is provided through built-in transmission line (A07), and the upper end of switch (A08) is provided through revolving
Turn control key (A09) and sensing lamp (A10), the internal upper end of switch (A08) is provided through retainer ring (A11), retainer ring
(A11) the insertion of both sides up and down on the left of is provided with snap-in groove (A13), and delivery guidewire is connected on the right side of retainer ring (A11)
(A13), it rotates and fixed column (A14) is welded with below control key (A09), buckle is fixedly arranged above on the left of fixed column (A14)
(A16), the middle part on the right side of fixed column (A14) is connected with delivery guidewire connector (A15), the lower section weldering of fixed column (A14) left end
It is connected to and connects conductor (A17), the middle part below fixed column (A14) is connected with centre rotational axis (A18) and built-in spring
(A19), the lower end of centre rotational axis (A18) is provided with rotating ring (A20), and connecting groove (A05) setting is passed through in " eight " shape
The middle part of external connector (A04) is through, connection conductor (A17) is provided with two, and be symmetricly set on a left side of fixed column (A14)
Right both sides, and connect conductor (A17) and set in " triangle ", rotating ring (A20) is set in " annulus " shape, and centre rotational axis
(A18) for the inner ring by " annulus " through being arranged in rotating ring (A20), built-in spring (A19) is circumferentially positioned at center rotation
The outside of axis (A18), a lower section for being connected to fixed column (A14), other end are fixedly connected on the top of rotating ring (A20),
Conductive sheet (A06) setting is symmetrically fixedly connected on the left and right of connecting groove (A05) inner wall in " circular arc " shape, and there are two settings
Both sides, sensing lamp (A10) are electrically connected with built-in connector (A03).
Concrete principle：In use, staff is respectively carried out two circuits by two built-in connectors (A03) first
Connection, is then linked by delivery guidewire (A13) in main circuit, this kind of switching device can just begin to use, as work people
When member need to switch over circuit, staff only needs to grasp rotation control key (A09), and firmly press down, and at this moment blocks
Button (A16) will be separated from snap-in groove (A13), and at this moment staff can just rotate rotation control key (A09), and
Fixed column (A14) just can with rotation control key (A09) synchronize rotated, as staff, will to rotate control key (A09) past
While pushing, connection conductor (A17) will downwards come off from connecting groove (A05), and this makes it possible to by this circuit
It is cut off, and buckle (A16) will be rotated to another snap-in groove (A13) by fixed column (A14) when rotation
Under, another connection conductor (A17) will rotate to the underface of another external connector (A04) in this way, at this moment utilize
The bounce of built-in spring (A19) rebounds fixed column (A14) upwards, allows buckle (A16) that can be embedded into snap-in groove
(A13) in, while connection conductor (A17) is embedded into connecting groove (A05), since conductive sheet setting is in " circular arc "
Shape thus can firmly clamp connection conductor (A17), and this circuit can be powered, and electric power will first pass through
Built-in connector (A03) is transmitted on corresponding external connector (A04), and is transmitted to connection by external connector (A04) and is led
Electric appliance (A17) is being transmitted to delivery guidewire connector (A15), finally by delivery guidewire connector by connection conductor (A17)
(A15) delivery guidewire (A13) is transmitted to in equipment.
In conclusion the double back circuit switching device, by being provided with the connecting groove (A05) in " eight " shape, and it is embedded
The middle part of external connector (A04) is arranged on, this can make connection conductive by the groove among this " eight " shape
Device (A17), which can be embedded in, to be fixed in external connector (A04), achievees the effect that circuit being capable of normal use.
Secondly, by being provided with the connection conductor (A17) in " triangle ", and there are two settings, and symmetrically fixed company
The front and rear sides on the left of fixed column (A14) are connected on, it is embedded thus can will to connect conductor (A17) by the acute angle of triangle
It onto external connector (A04), and can easily be extracted by way of plug, be conducive in this way with this kind of switching device to two
The circuit switching of kind.
Also, by being provided with the rotating ring (A20) in " annulus " shape, centre rotational axis (A18) passes through the interior of " annulus "
For ring through being arranged in rotating ring (A20), such centre rotational axis (A18) and fixed column (A11) can just utilize " circle in this way
Either the flexible of vertical direction is conducive to buckle (A16) insertion or extracts be buckled for the rotation of the inner ring progress horizontal direction of ring "
In groove (A12).
Also, by being provided with the rotation control key (A09) in " cylinder " shape, such staff can pass through rotation
This kind rotation control key (A09), to carry out the conversion of both ends circuit line, simple operation, and conveniently, spent without staff
A large amount of time and the switching that can just complete to electrical wiring of doing the best.
Also, by being provided with the connector (A01) in " cuboid ", and connector (A01) is hollow design, thus
Two circuit lines can be placed on to the connector of hollow design, and (place of A01, being not only able to protect circuit line will not be by rain
Water or dust corrosion, also act as and help the fixed effect of circuit line.
It should be noted that herein, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any this practical relationship or sequence.Moreover, term " comprising ", "comprising" or its any other variant are intended to
Non-exclusive inclusion, so that process, method, article or equipment including a series of elements not only will including those
Element, but also including other elements that are not explicitly listed or further include as this process, method, article or equipment
Intrinsic element.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace
And modification, the scope of the present invention is defined by the appended.
Claims (8)
1. a kind of 3D printing supply line double back circuit switching device and its application method, including connector (A01) and switch
(A08), it is characterised in that：The left end insertion of the connector (A01) sets fluted (A02), and the connector (A01) is internal
Right side be fixed with built-in connector (A03), the both sides up and down of connector (A01) right end are through being connected with external connection
Head (A04), and external connector (A04) is closely connect with built-in connector (A03), the middle part of the external connector (A04)
Insertion is provided with connecting groove (A05), and conductive sheet (A06), institute are respectively and fixedly provided at left and right sides of connecting groove (A05) inner wall
It states the internal middle part of external connector (A04) and is provided through built-in transmission line (A07), the upper end of the switch (A08) is passed through
It wears and is equipped with rotation control key (A09) and sensing lamp (A10), the internal upper end of the switch (A08) is provided through fixing
Ring (A11), the insertion of both sides up and down on the left of the retainer ring (A11) are provided with snap-in groove (A13), the retainer ring
(A11) delivery guidewire (A13) is connected on the right side of, fixed column (A14), institute are welded with below the rotation control key (A09)
It states and is fixedly arranged above buckle (A16) on the left of fixed column (A14), the middle part on the right side of the fixed column (A14) is connected with conveying and leads
Wiring connector (A15) is welded with connection conductor (A17), the fixed column (A14) below fixed column (A14) left end
Centre rotational axis (A18) and built-in spring (A19), the lower end setting of the centre rotational axis (A18) are connected in the middle part of lower section
There is rotating ring (A20).
2. a kind of 3D printing supply line double back circuit switching device according to claim 1 and its application method, feature
It is：Connecting groove (A05) setting is applied in the middle part of external connector (A04) in " eight " shape.
3. a kind of 3D printing supply line double back circuit switching device according to claim 1 and its application method, feature
It is：The connection conductor (A17) is provided with two, and be symmetricly set on the left and right sides of fixed column (A14), and connects conductive
Device (A17) setting is in " triangle ".
4. a kind of 3D printing supply line double back circuit switching device according to claim 1 and its application method, feature
It is：Rotating ring (A20) setting is in " annulus " shape, and centre rotational axis (A18) runs through setting by the inner ring of " annulus "
In rotating ring (A20).
5. a kind of 3D printing supply line double back circuit switching device according to claim 1 and its application method, feature
It is：The built-in spring (A19) is circumferentially positioned at the outside of centre rotational axis (A18), and one is connected to fixed column (A14)
Lower section, other end are fixedly connected on the top of rotating ring (A20).
6. a kind of 3D printing supply line double back circuit switching device according to claim 1 and its application method, feature
It is：Conductive sheet (A06) setting is symmetrically fixedly connected in " circular arc " shape, and there are two settings in connecting groove (A05)
The left and right sides of wall.
7. a kind of 3D printing supply line double back circuit switching device according to claim 1 and its application method, feature
It is：The sensing lamp (A10) is electrically connected with built-in connector (A03).
8. a kind of application method of 3D printing supply line double back circuit switching device and its application method, it is characterised in that：It uses
Two circuits are attached by Shi Shouxian, staff respectively by two built-in connectors (A03), then by delivery guidewire
(A13) it being linked into main circuit, this kind of switching device can just begin to use, when staff need to switch over circuit, work
Making personnel only needs to grasp rotation control key (A09), and firmly press down, and being at this moment buckled (A16) will be from snap-in groove
(A13) it is separated in, at this moment staff can just rotate rotation control key (A09), and fixed column (A14) just can be with rotation
Turn control key (A09) and synchronize to be rotated, while staff, which will rotate control key (A09), to be pressed down, connect conductor
(A17) it will downwards come off from connecting groove (A05), this makes it possible to which this circuit is cut off, and fixed column (A14)
When rotation, buckle (A16) will be rotated under another snap-in groove (A13), in this way another connection conductor
(A17) underface of another external connector (A04) will be rotated to, it at this moment will using the bounce of built-in spring (A19)
Fixed column (A14) rebounds upwards, and buckle (A16) can be embedded into snap-in groove (A13), while so that connection is conductive
Device (A17) is embedded into connecting groove (A05), since conductive sheet setting is in " circular arc " shape, thus can will connect conductor
(A17) it firmly clamps, and this circuit can be powered, electric power will first pass through built-in connector (A03) and be transmitted to correspondence
External connector (A04) on, and by external connector (A04) be transmitted to connection conductor (A17), by connection conductor
(A17) delivery guidewire connector (A15) is transmitted to, being finally transmitted to delivery guidewire (A13) by delivery guidewire connector (A15) exists
Onto equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711477228.XA CN108173078B (en) | 2017-12-29 | 2017-12-29 | A kind of 3D printing power supply line double back circuit switching device and its application method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711477228.XA CN108173078B (en) | 2017-12-29 | 2017-12-29 | A kind of 3D printing power supply line double back circuit switching device and its application method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108173078A true CN108173078A (en) | 2018-06-15 |
| CN108173078B CN108173078B (en) | 2019-08-30 |
Family
ID=62519896
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711477228.XA Active CN108173078B (en) | 2017-12-29 | 2017-12-29 | A kind of 3D printing power supply line double back circuit switching device and its application method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108199239A (en) * | 2018-02-26 | 2018-06-22 | 浙江双鸿新能源科技有限公司 | A kind of 3D printing supply line double back circuit switching device and its application method |
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| CN1244958A (en) * | 1997-01-13 | 2000-02-16 | 惠特克公司 | Coaxial switch connector assembly |
| CN202142750U (en) * | 2011-06-08 | 2012-02-08 | 富士康(昆山)电脑接插件有限公司 | Adaptor |
| GB2509697A (en) * | 2012-11-16 | 2014-07-16 | Strix Ltd | Cordless electrical connector with switch but no thermal sensor |
| CN204012016U (en) * | 2014-07-25 | 2014-12-10 | 东莞市竞跃电子有限公司 | A kind of power jack connector |
| CN104319573A (en) * | 2014-10-16 | 2015-01-28 | 宁波帝杨电子科技有限公司 | Trailer electric connector with switchable exposed interfaces |
| CN208093904U (en) * | 2018-02-26 | 2018-11-13 | 浙江双鸿新能源科技有限公司 | A kind of 3D printing supply line double back circuit switching device |
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2017
- 2017-12-29 CN CN201711477228.XA patent/CN108173078B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1244958A (en) * | 1997-01-13 | 2000-02-16 | 惠特克公司 | Coaxial switch connector assembly |
| CN202142750U (en) * | 2011-06-08 | 2012-02-08 | 富士康(昆山)电脑接插件有限公司 | Adaptor |
| GB2509697A (en) * | 2012-11-16 | 2014-07-16 | Strix Ltd | Cordless electrical connector with switch but no thermal sensor |
| CN204012016U (en) * | 2014-07-25 | 2014-12-10 | 东莞市竞跃电子有限公司 | A kind of power jack connector |
| CN104319573A (en) * | 2014-10-16 | 2015-01-28 | 宁波帝杨电子科技有限公司 | Trailer electric connector with switchable exposed interfaces |
| CN208093904U (en) * | 2018-02-26 | 2018-11-13 | 浙江双鸿新能源科技有限公司 | A kind of 3D printing supply line double back circuit switching device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108199239A (en) * | 2018-02-26 | 2018-06-22 | 浙江双鸿新能源科技有限公司 | A kind of 3D printing supply line double back circuit switching device and its application method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108173078B (en) | 2019-08-30 |
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Effective date of registration: 20220902 Address after: 300000 room 315, building 1, building g, No. 6, Huafeng Road, Huaming high tech Industrial Zone, Dongli District, Tianjin Patentee after: Keda Jinwu laser technology (Tianjin) Co.,Ltd. Address before: 300300 Building 1, block g, No. 6, Huafeng Road, Huaming high tech Industrial Zone, Dongli District, Tianjin Patentee before: USTC TIANGONG INTELLIGENT EQUIPMENT TECHNOLOGY (TIANJIN) CO.,LTD. |