CN209282548U - Three 90 ° of cores band auxiliary signal connector - Google Patents
Three 90 ° of cores band auxiliary signal connector Download PDFInfo
- Publication number
- CN209282548U CN209282548U CN201822189375.3U CN201822189375U CN209282548U CN 209282548 U CN209282548 U CN 209282548U CN 201822189375 U CN201822189375 U CN 201822189375U CN 209282548 U CN209282548 U CN 209282548U
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- plugging hole
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Abstract
The utility model discloses a kind of three cores, 90 ° of band auxiliary signal connectors, include 90 ° of three-prong plugs, three core sockets and Self-locking handle；90 ° of three-prong plugs include 90 degree of bendings and the shell for hollow structure, it is set to the intracorporal mounting plate component of shell, retaining ring component, horizontal part sealing ring, vertical portion sealing ring and housing component, the tail sleeve and lock sheet being connected on shell vertical portion end；The inner end of three core sockets is extend between the inner casing and shell of 90 ° of three-prong plug shells, and the shell of the shell of 90 ° of three-prong plugs and three core sockets passes through Self-locking handle and locks.The utility model is built-in with the signal contacting piece for controlling signal acquisition, signal contacting piece is successively disconnected with high current signal, realize the auto switching function of high current connector, it prevents from plugging, improve Product Safety, operability, and three cores, 90 ° of housing components with the setting of auxiliary signal connector, improve the shielding reliability of connector and conducting wire.
Description
Technical field
The utility model relates to high current connector field, 90 ° of band auxiliary signal connectors of specifically a kind of three core.
Background technique
Hybrid power and electric car are a kind of clean traffic tool of the positive Popularization And Development of current country, electric car
Motor and electric machine controller between be attached using three-phase electric connector.Because inner space of vehicle limits, allow to install empty
Between narrow scope, it is desirable that automobile-used three-phase electrical connector body product is small, easy to operate, connects reliable and secure.It is particularly due to automobile-used dynamic
Power voltage higher (200~600V), electric current are larger (200A or so), thus connector is required to have the energy of enough withstanding voltages
Screening ability between power and phase line, to guarantee the safe operation of its long-term and avoid being likely to occur caused fire alarm thing of discharging
Therefore.
Utility model content
The technical problem to be solved by the present invention is to provide a kind of three cores, 90 ° of band auxiliary signal connectors, are built-in with
For controlling the signal contacting piece of signal acquisition being made of signal pin and two core plugging hole components, signal contacting piece and high current
Signal successively disconnects, and realizes the auto switching function of high current connector, prevents from plugging, improve Product Safety,
Operability, and three cores, 90 ° of housing components with the setting of auxiliary signal connector, the shielding for improving connector and conducting wire can
By property.
The technical solution of the utility model are as follows:
Three 90 ° of cores band auxiliary signal connector, includes 90 ° of three-prong plugs, three core sockets and Self-locking handle；
90 ° of three-prong plugs include 90 degree of bendings and the shell for hollow structure, are set to the intracorporal installation of shell
Board group part, retaining ring component, horizontal part sealing ring, vertical portion sealing ring and housing component are connected to shell vertical portion end
On tail sleeve and lock sheet；The housing horizontal portion point includes inner casing and shell, and the inner casing is set in shell
And there are annular gap, the inner end of inner casing and the inner ends of shell to be fixedly connected with the top of shell vertical portion between the two,
The outer end of the inner casing and the end point of shell vertical portion are provided with the three core through-holes passed through for conducting wire, the water
Flat portion's sealing ring and retaining ring component are set on the outer wall of inner casing and horizontal part sealing ring is located at the inside of retaining ring component, described
Vertical portion sealing ring be placed in the inner ring of shell vertical portion end；The mounting plate component is L-shaped structure, is set to
In the vertical portion of inner casing and shell, mounting plate component includes the shield shell of L-shaped structure, is set to shield shell horizontal part
Front mounting plate in point is set in shield shell vertical portion and rear mounting plate and main jack with front mounting plate grafting
Component, conversion terminal and jack insulated terminal, the front mounting plate and rear mounting plate are tubular structure, front mounting plate it is interior
End is provided with annular lug, the side wall of rear mounting plate and is located at top and is provided with annular slot, the annular of the front mounting plate
Convex block, which is inserted into the annular slot of rear mounting plate, realizes connection, and the main plugging hole component is set in front mounting plate and outer end
It reaches and is connect outside shield shell with jack insulated terminal, the outer end of the main plugging hole component is provided with for leading in conducting wire
First three core slot of body crimping, the conversion terminal are set in rear mounting plate, and the top of conversion terminal is provided with horizontal insert
Hole, the bottom end of conversion terminal are provided with the rear three cores slot for the crimping of conducting wire inner conductor, the inner end of the main plugging hole component
It snaps onto the horizontal jack of conversion terminal；The retaining ring component include retaining ring ontology and be set on retaining ring ontology two
Core plugging hole component, retaining ring ontology include that the annular being set in outside inner casing gets stuck and be connected to the sealing plate that gets stuck on outer end of annular,
It is provided with three cores passed through for conducting wire on the sealing plate and perforates and is with plugging hole component mounting hole, the two core plugging hole components
U-shaped structure, the end point of two core plugging hole components, two parallel section are provided with signal pin jack, the two core plugging hole components
It snaps onto plugging hole component mounting hole and the bending part of two core plugging hole components passes through the outer end of inner casing, the two core plugging hole components
On two signal pin jacks towards the outer end of housing horizontal portion point；The housing component includes shielding tail folder, institute
The shielding tail folder stated includes the top shielding shell being set in outside shield shell vertical portion end and is connected to top shielding shell
Under lower shielded shell, open up that there are three conductor shieldings to perforate on lower shielded shell, the inner wall of three conductor shieldings perforation is solid
Surely there is corresponding tail portion shielding ring；
The signal cooperated there are two being arranged on the three core sockets with two signal pin jacks of two core plugging hole components
Contact pin, the three battery core jacks and three connecting terminals for conducting wire connection, two signal pins are connect with electric machine controller；
It is arranged on the outer wall of the three core socket inner ends there are two outer locking block axially symmetric and for cylinder, 90 ° of three core is inserted
It is provided on the outer wall of head shell for two axially symmetric guide grooves of outer locking block insertion and two axially and symmetrically and to justify
Cylindrical internal locking block, the inner end of the three core sockets are extend between the inner casing and shell of 90 ° of three-prong plugs until three
Two outer locking blocks of core socket extend into the slot bottom of 90 ° of three-prong plugs, two guide grooves, three battery core jacks on three core sockets
Towards the main plugging hole component of 90 ° of three-prong plugs；
The Self-locking handle is U-bend folded structure, is all set in two vertical portions and is inserted into for internal locking block
Circular hole and arc jack for the insertion of outer locking block, be provided on horizontal component and be inserted into self-locking insert for lock sheet
When the inner end in hole, the three core sockets extend between the inner casing and shell of 90 ° of three-prong plugs and locks, the locking
Piece be inserted into Self-locking handle from rosette for lock, and outer locking block is located at corresponding arc jack adjacent to one end of circular hole.
The bayonet of multiple circumferentially uniform parts is provided on the inner casing, on the annular of the retaining ring ontology gets stuck
It is provided with the elastic slice of multiple protrusions, multiple elastic slices point when the annular snap valve jacket of retaining ring ontology is loaded on inner casing, on retaining ring ontology
It does not protrude into the corresponding bayonet of inner casing.
There are two casings, the inner end of two casings to believe respectively with two for holding in the plugging hole component mounting hole
Number contact pin jack corresponds connection, and the internal diameter of casing is greater than the internal diameter of signal pin jack.
The rubber seal that outer surface has hatching knurling is set in two core plugging hole components, two parallel section,
The two core plugging hole components are interference fitted by the plugging hole component mounting hole of rubber seal and retaining ring ontology.
The tail sleeve fixture block of protrusion is provided on the outer wall of the shell vertical portion bottom end, on the inner wall of the tail sleeve
It is provided with card slot, when the tail sleeve is connected to the bottom end of shell vertical portion, the tail sleeve fixture block on shell snaps onto tail sleeve pair
In the card slot answered.
The advantages of the utility model:
(1), two core plugging hole components are provided on the retaining ring component of 90 ° of three-prong plugs of the utility model, be arranged on three cores
There are two the contact pin being cooperatively connected with two core plugging hole components, the signal contacting piece of two contact pins and two core plugging hole components composition is formed
Signal control loop, when 90 ° of three-prong plugs and the separation of three core sockets, two contact pins first and two core plugging hole components are first separated,
Signal control loop disconnects at this time, i.e., before the power supply circuit separation of connector, electric machine controller stops power supply, to guarantee big electricity
Circulation road disconnects, and high current contact just separates, and realizes the safety insertion of high current signal；
(2), the housing component on 90 ° of three-prong plugs of the utility model, upper part shielding case and shield shell are closely right
It connects, the shielded layer of lower shielded shell and conducting wire is in close contact, and is realized being reliably connected from conductor shield to shield shell, is mentioned
The high shield effectiveness of connector；
(3), the utility model has the advantages of simple structure, is easily assembled, and 90 ° of bending structures are suitable for being installed on narrow installation empty
In, it is small in size, it is easy to operate, it connects reliable and secure.
Detailed description of the invention
Fig. 1 is the structural schematic diagram under the utility model self-locking state.
Fig. 2 is the structural schematic diagram under 90 ° of three-prong plugs of the utility model and three core socket discrete states.
Fig. 3 is the explosive view of 90 ° of three-prong plugs of the utility model.
Fig. 4 is the cross-sectional view of 90 ° of three-prong plugs of the utility model.
Fig. 5 is the structural schematic diagram of the utility model shell.
Fig. 6 is the cross-sectional view of the utility model mounting plate component.
Fig. 7 is the main view of the utility model retaining ring component.
Fig. 8 is the A-A cross-sectional view in Fig. 7.
Fig. 9 is the B-B enlarged cross-sectional view in Fig. 7.
Figure 10 is the structural schematic diagram of two core plugging hole component of the utility model.
Figure 11 is the structural schematic diagram of the utility model housing component.
Figure 12 is the structural schematic diagram of the utility model tail sleeve.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
See Fig. 1 and Fig. 2, three 90 ° of cores band auxiliary signal connector includes 90 ° of three-prong plugs 1, three core sockets 2 and self-locking
Handle 3；
See that Fig. 3 and Fig. 4,90 ° of three-prong plugs 1 include 90 degree of bendings and the shell 11 for hollow structure, is set to shell
Mounting plate component 12, retaining ring component 13, horizontal part sealing ring 14, vertical portion sealing ring 15 and housing component 16 in 11, even
The tail sleeve 17 and lock sheet 18 being connected on 11 vertical portion end of shell；
See Fig. 4 and Fig. 5,11 horizontal component of shell includes inner casing 111 and shell 112, inner casing 111 be set in shell and
Between the two there are annular gap, the top of the inner end of inner casing 111 and the inner end of shell 112 with 11 vertical portion of shell is fixed
Connection, the end point of 11 vertical portion of outer end and shell of inner casing 111 are provided with the three core through-holes passed through for conducting wire, horizontal
Portion's sealing ring 14 and retaining ring component 13 are set on the outer wall of inner casing 111 and horizontal part sealing ring 14 is located at retaining ring component 13
Inside, vertical portion sealing ring 15 are placed in the inner ring of 11 vertical portion end of shell；
See that Fig. 6, mounting plate component 12 are L-shaped structure, is set in the vertical portion of inner casing 111 and shell 11, installs
Board group part includes the shield shell 121 of L-shaped structure, the front mounting plate 122 being set in 121 horizontal component of shield shell, sets
Be placed in 121 vertical portion of shield shell and with the rear mounting plate 123 of 122 grafting of front mounting plate and main plugging hole component 124,
Conversion terminal 125 and jack insulated terminal 126, front mounting plate 122 and rear mounting plate 123 are tubular structure, front mounting plate 122
Inner end be provided with annular lug, the side wall of rear mounting plate 123 and be located at top and be provided with annular slot, front mounting plate 122
Annular lug, which is inserted into the annular slot of rear mounting plate 123, realizes connection, and main plugging hole component 124 is set to front mounting plate 122
Interior and outer end, which reaches, to be connect outside shield shell 121 with jack insulated terminal 126, and the outer end of main plugging hole component 124 is provided with
For first three core slot of conducting wire inner conductor crimping, conversion terminal 125 is set in rear mounting plate 123, the top of conversion terminal 125
End is provided with horizontal jack, and the bottom end of conversion terminal 125 is provided with the rear three cores slot for the crimping of conducting wire inner conductor, main jack
The inner end of component 124 snaps onto the horizontal jack of conversion terminal 125；
See Fig. 7-Figure 10, retaining ring component 13 includes retaining ring ontology 131 and the two core jacks that are set on retaining ring ontology 131
Component 132, retaining ring ontology include that the annular being set in outside inner casing 111 gets stuck and be connected to the sealing plate that gets stuck on outer end of annular,
It is arranged on inner casing 111 there are four the bayonet 113 of circumferentially uniform parts, the annular of retaining ring ontology 131 gets stuck there are four upper settings
The elastic slice 133 of protrusion, four elastic slices 133 when the annular snap valve jacket of retaining ring ontology 131 is loaded on inner casing 111, on retaining ring ontology
It is respectively protruding into the corresponding bayonet 113 of inner casing 111, the three cores perforation 134 and insertion hole groups passed through for conducting wire is provided on sealing plate
Part mounting hole, two core plugging hole components 132 are U-shaped structure, and the end point of two 132 liang of parallel sections of core plugging hole component is provided with letter
Number contact pin jack 135, two core plugging hole components 132 snap onto plugging hole component mounting hole and the bending part of two core plugging hole components 132
Across the outer end of inner casing 111, in plugging hole component mounting hole also holding there are two casing 136, the inner end of two casings 136 respectively with
Two signal pin jacks 135 correspond connection, and the internal diameter of casing 136 is greater than the internal diameter of signal pin jack 135, and two
The outer end of casing 136 is towards the outer end of 11 horizontal component of shell；Wherein, it is set in two core plugging hole components, 132 liang of parallel sections
There is outer surface to have the rubber seal 137 of hatching knurling, two core plugging hole components 132 pass through rubber seal 137 and retaining ring sheet
The plugging hole component mounting hole of body 131 is interference fitted；
See Fig. 4 and see Figure 11, housing component 16 includes shielding tail folder 161, and shielding tail folder 161 includes to be set in screen
The lower shielded shell for covering the top shielding shell outside 121 vertical portion end of shell and being connected under top shielding shell, underlying shield
It is opened up on shell there are three conductor shielding perforation, the inner wall of three conductor shieldings perforation is respectively and fixedly provided with corresponding tail portion shielding ring 162；
See Fig. 4, Fig. 5 and Figure 12, the tail sleeve fixture block 114 of protrusion, tail are provided on the outer wall of 11 vertical portion bottom end of shell
Card slot 171, tail sleeve card when tail sleeve 17 is connected to the bottom end of 11 vertical portion of shell, on shell 11 are provided on the inner wall of set 17
Block 114 snaps onto the corresponding card slot 171 of tail sleeve 17；
See Fig. 1, Fig. 2 and Fig. 3, there are two two signal pin jacks with two core plugging hole components for setting on three core sockets 2
135 cooperation signal pin, three for conducting wire connection battery core jacks and three connecting terminals, two signal pins with electricity
Machine controller connection；It is arranged on the outer wall of three core sockets, 2 inner end there are two outer locking block 21 axially symmetric and for cylinder,
Two axially symmetric guide grooves 115 for the insertion of outer locking block and two are provided on the outer wall of 90 ° of three-prong plug shells 112
It axially and symmetrically and is cylindrical internal locking block 116, the inner end of three core sockets 2 extend into 111 He of inner casing of 90 ° of three-prong plugs
Until two outer locking blocks 21 of three core sockets extend into the slot bottoms of 90 ° of three-prong plugs, two guide grooves 115 between shell 112, three
The main plugging hole component 124 of three battery core jacks 90 ° of three-prong plugs of direction on core socket 2；
See that Fig. 1, Fig. 2 and Fig. 3, Self-locking handle 3 are U-bend folded structure, is all set in two vertical portions for interior
The circular hole 31 that latch segment 116 is inserted into and the arc jack 32 being inserted into for outer locking block 21, are provided on horizontal component and are used for
Lock sheet 18 is inserted into the self-locking from rosette for lock realization of Self-locking handle 3, and the inner end of three core sockets 2 extend into 90 ° of three-prong plugs
Inner casing 111 and shell 112 between and when locking, lock sheet 18 be inserted into Self-locking handle 3 from rosette for lock, and outer locking block
21 are located at corresponding arc jack 32 adjacent to one end of circular hole 31.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (5)
1. three 90 ° of cores band auxiliary signal connector, it is characterised in that: include 90 ° of three-prong plugs, three core sockets and from lock handle
Hand；
90 ° of three-prong plugs include 90 degree of bendings and the shell for hollow structure, are set to the intracorporal installation board group of shell
Part, retaining ring component, horizontal part sealing ring, vertical portion sealing ring and housing component are connected on shell vertical portion end
Tail sleeve and lock sheet；The housing horizontal portion point includes inner casing and shell, and the inner casing is set in shell and two
There are annular gap, the inner end of inner casing and the inner ends of shell to be fixedly connected with the top of shell vertical portion between person, described
The outer end of inner casing and the end point of shell vertical portion be provided with the three core through-holes passed through for conducting wire, the horizontal part
Sealing ring and retaining ring component are set on the outer wall of inner casing and horizontal part sealing ring is located at the inside of retaining ring component, and described is perpendicular
Straight portion sealing ring is placed in the inner ring of shell vertical portion end；The mounting plate component is L-shaped structure, is set to inner casing
In the vertical portion of shell, mounting plate component includes the shield shell of L-shaped structure, is set in shield shell horizontal component
Front mounting plate, be set in shield shell vertical portion and with the rear mounting plate of front mounting plate grafting and main plugging hole component,
Conversion terminal and jack insulated terminal, the front mounting plate and rear mounting plate are tubular structure, and the inner end of front mounting plate is set
It is equipped with annular lug, the side wall of rear mounting plate and is located at top and is provided with annular slot, the annular lug of the front mounting plate
It is inserted into the annular slot of rear mounting plate and realizes connection, the main plugging hole component is set in front mounting plate and outer end is stretched out
It is connect outside to shield shell with jack insulated terminal, the outer end of the main plugging hole component is provided with for conducting wire inner conductor pressure
First three the core slot connect, the conversion terminal are set in rear mounting plate, and the top of conversion terminal is provided with horizontal jack, are turned
The bottom end of connecting terminal is provided with the rear three cores slot for the crimping of conducting wire inner conductor, and the inner end of the main plugging hole component snaps onto
In the horizontal jack of conversion terminal；The retaining ring component includes retaining ring ontology and the two core jacks that are set on retaining ring ontology
Component, retaining ring ontology includes that the annular being set in outside inner casing gets stuck and be connected to the sealing plate that gets stuck on outer end of annular, described
The three cores perforation passed through for conducting wire and plugging hole component mounting hole are provided on sealing plate, the two core plugging hole components are U-shaped knot
Structure, the end point of two core plugging hole components, two parallel section are provided with signal pin jack, and the two core plugging hole components are caught in
In to plugging hole component mounting hole and the bending part of two core plugging hole components is on the outer end of inner casing, the two core plugging hole components
The outer end that two signal pin jacks divide towards housing horizontal portion；The housing component includes shielding tail folder, described
Shielding tail folder includes the top shielding shell being set in outside shield shell vertical portion end and is connected under top shielding shell
Lower shielded shell, opens up that there are three conductor shieldings to perforate on lower shielded shell, and the inner wall of three conductor shieldings perforation is respectively and fixedly provided with
Corresponding tail portion shielding ring；
Be arranged on the three core sockets there are two the signal pin cooperated with two signal pin jacks of two core plugging hole components,
The three battery core jacks and three connecting terminals for conducting wire connection, two signal pins are connect with electric machine controller；It is described
Three core socket inner ends outer wall on setting there are two axially and symmetrically and be cylindrical outer locking block, outside 90 ° of three-prong plugs
It is provided with axially symmetric for two axially symmetric guide grooves of outer locking block insertion and two on the outer wall of shell and is cylindrical
Internal locking block, the inner end of the three core sockets extend between the inner casing and shell of 90 ° of three-prong plugs until three cores insert
Two outer locking blocks of seat extend into the slot bottom of 90 ° of three-prong plugs, two guide grooves, three battery core jack directions on three core sockets
The main plugging hole component of 90 ° of three-prong plugs；
The Self-locking handle is U-bend folded structure, and the circle for the insertion of internal locking block is all set in two vertical portions
Hole and arc jack for the insertion of outer locking block, are provided on horizontal component and are inserted into for lock sheet from rosette for lock, institute
When the inner end for the three core sockets stated extend between the inner casing and shell of 90 ° of three-prong plugs and locks, the lock sheet is inserted
Enter to Self-locking handle from rosette for lock, and outer locking block is located at corresponding arc jack adjacent to one end of circular hole.
2. three cores, 90 ° of band auxiliary signal connectors according to claim 1, it is characterised in that: be arranged on the inner casing
Have a bayonet of multiple circumferentially uniform parts, the annular of the retaining ring ontology get stuck on be provided with the elastic slices of multiple protrusions, gear
When enclosing the annular snap valve jacket of ontology loaded on inner casing, multiple elastic slices on retaining ring ontology are respectively protruding into the corresponding bayonet of inner casing.
3. three cores, 90 ° of band auxiliary signal connectors according to claim 1, it is characterised in that: the plugging hole component peace
Filling holding in hole, there are two casings, the inner end of two casings to be connected to respectively with two signal pin jack one-to-one correspondence,
And the internal diameter of casing is greater than the internal diameter of signal pin jack.
4. three cores, 90 ° of band auxiliary signal connectors according to claim 1, it is characterised in that: the two core insertion hole groups
The rubber seal that outer surface has hatching knurling is set in two parallel section of part, the two core plugging hole components pass through rubber
The plugging hole component mounting hole of glue sealing ring and retaining ring ontology is interference fitted.
5. three cores, 90 ° of band auxiliary signal connectors according to claim 1, it is characterised in that: the shell vertical portion
It is provided with the tail sleeve fixture block of protrusion on the outer wall of point bottom end, card slot is provided on the inner wall of the tail sleeve, the tail sleeve connects
When being connected to the bottom end of shell vertical portion, the tail sleeve fixture block on shell is snapped onto the corresponding card slot of tail sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822189375.3U CN209282548U (en) | 2018-12-25 | 2018-12-25 | Three 90 ° of cores band auxiliary signal connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822189375.3U CN209282548U (en) | 2018-12-25 | 2018-12-25 | Three 90 ° of cores band auxiliary signal connector |
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| Publication Number | Publication Date |
|---|---|
| CN209282548U true CN209282548U (en) | 2019-08-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201822189375.3U Active CN209282548U (en) | 2018-12-25 | 2018-12-25 | Three 90 ° of cores band auxiliary signal connector |
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| CN (1) | CN209282548U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109524859A (en) * | 2018-12-25 | 2019-03-26 | 安徽华成电子科技有限公司 | Three 90 ° of cores band auxiliary signal connector |
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2018
- 2018-12-25 CN CN201822189375.3U patent/CN209282548U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109524859A (en) * | 2018-12-25 | 2019-03-26 | 安徽华成电子科技有限公司 | Three 90 ° of cores band auxiliary signal connector |
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Effective date of registration: 20191107 Address after: 233010 No. 772 long march road, Anhui, Bengbu Patentee after: 44th Research Institute of China Electronics Technology Group Corporation Address before: 233010 North Tower, 20 tower 773, Changzheng Road, Bengbu, Anhui. Patentee before: Anhui Huacheng Electronic Technology Co., Ltd. |