CN206819944U - A kind of D.C. contactor with auxiliary contact - Google Patents
A kind of D.C. contactor with auxiliary contact Download PDFInfo
- Publication number
- CN206819944U CN206819944U CN201720508374.3U CN201720508374U CN206819944U CN 206819944 U CN206819944 U CN 206819944U CN 201720508374 U CN201720508374 U CN 201720508374U CN 206819944 U CN206819944 U CN 206819944U
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- Prior art keywords
- yoke
- auxiliary contact
- push rod
- auxiliary
- set casing
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Abstract
It the utility model is related to contactor technical field, in particular disclose a kind of D.C. contactor with auxiliary contact, including yoke component, the set casing being connected with yoke component, the magnet coil, the armature, the push rod that is connected with armature that are slidably connected in magnet coil that are installed in yoke component；Set casing is equiped with two main contacts and two auxiliary contact；Push rod is connected with push jack, and push jack is equiped with fix bar and auxiliary moving plate, fix bar slidably connect dynamic point block；Magnet coil produces magnetic field after being powered, and driving armature moves upwards, is moved together via the related dynamic point block of push jack, auxiliary moving plate during armature motion so that dynamic point block, auxiliary moving plate are respectively turned on two main contacts, two auxiliary contact；During actual use, without each one contactor of installation of positive pole circuit and negative pole circuit in electric equipment products, it is only necessary to contactor can meet demand, reduce the manufacturing costs of electric equipment products, simplify the structure design of electric equipment products, reduce the volume of electric equipment products.
Description
Technical field
Contactor technical field is the utility model is related to, in particular discloses a kind of D.C. contactor with auxiliary contact.
Background technology
Contactor using less current control larger current " automatic switch ", play in circuit automatically adjust,
Safeguard protection, change-over circuit etc. act on, and a type of the D.C. contactor as contactor, are mainly used in DC loop,
In the actual use process of D.C. contactor, it is often necessary to respectively install one directly with negative pole circuit in the positive pole circuit of electric equipment products
Contactor is flowed, greatly increases the manufacturing cost of electric equipment products, while it is too fat to move to also result in the complicated of electric equipment products, volume.
Utility model content
In order to overcome shortcoming and defect present in prior art, the purpose of this utility model is to provide one kind with auxiliary
The D.C. contactor of contact is helped, one contactor is respectively installed with negative pole circuit without the positive pole circuit in electric equipment products, it is only necessary to one
Individual contactor can meet demand, reduce the manufacturing costs of electric equipment products, simplify the structure design of electric equipment products, reduce electrical equipment production
The volume of product.
To achieve the above object, a kind of D.C. contactor with auxiliary contact of the present utility model, including yoke component,
The set casing that is connected with yoke component, the magnet coil being installed in yoke component, the armature being slidably connected in magnet coil,
The push rod being connected with armature；Two auxiliary that the set casing is equiped with two main contacts being spaced and is spaced are touched
Point, main contacts, one end of auxiliary contact are protruded into set casing, and main contacts, the other end of auxiliary contact stretch out fixation
Shell；One end of push rod is through yoke component and protrudes into set casing, and push rod is connected with the push jack in set casing, push jack dress
Dynamic point block is slidably connected, pre-compressed spring is equiped between push jack and dynamic point block provided with fix bar and auxiliary moving plate, fix bar, is moved
Point block is used to connect two main contacts of conducting, and auxiliary moving plate is used to connect two auxiliary contact of conducting.
Preferably, the push rod and push jack injection moulding integrated molding, pre-compressed spring are sheathed on the outside of fix bar, pre-compressed spring
Both ends abut push jack and dynamic point block respectively；Push jack is provided with fixed column, and fixed column, fix bar are located at the same side of push jack, auxiliary
Moving plate is installed in the free end of fixed column, and auxiliary moving plate is provided with two movable contacts for being respectively used to abut two auxiliary contact.
Preferably, the D.C. contactor with auxiliary contact also includes plastic casing, and yoke component and set casing fill
In plastic casing, set casing is made of ceramic material；The quantity of main contacts is four, and two main contacts form a contact
Group, the both sides of auxiliary contact are equipped with contact sets, and main contacts, auxiliary contact stretch out plastic casing.
Preferably, the yoke component includes yoke shell and is installed in the yoke plate of yoke shell, yoke shell, set casing difference
Positioned at the both sides of yoke plate, magnet coil is located in yoke shell, and push rod runs through yoke plate；The outer sheath of push rod, which is provided with, resets bullet
Spring, the both ends of back-moving spring abut yoke plate and armature respectively.
Preferably, the D.C. contactor with auxiliary contact also includes cutting down, and can cut down and be held on yoke plate and fixation
Between shell, it can cut down for sealing the gap between yoke plate and set casing, push jack, yoke plate are respectively positioned at the both sides that can be cut down.
Preferably, the yoke plate is equiped with the protection cylinder in yoke shell, and magnet coil is sheathed on the outer of protection cylinder
Side, armature are located in protection cylinder.
Preferably, it is connected with the yoke shell and is sheathed on sleeve with the spaced sleeve of yoke plate, magnet coil
Outside, sleeve are sheathed on the outside of protection cylinder.
Preferably, the yoke plate is equiped with the position-limiting drum being sheathed on the outside of push rod, and position-limiting drum is located in yoke shell, electromagnetism
Coil is sheathed on the outside of position-limiting drum, and position-limiting drum is provided with bulge loop, and one end of back-moving spring is connected to bulge loop；Armature is provided with spacing
Groove, stopper slot are formed close to the side of yoke plate is recessed from armature, and the other end of back-moving spring is connected to the bottom wall of stopper slot.
Preferably, the push rod runs through armature, and push rod is provided with annular groove, and the outer sheath of push rod is provided with arc-like sheet, arc
The both ends of piece are arranged at intervals, and arc-like sheet is provided with the lug protruded into annular groove, and armature is held on arc-like sheet and back-moving spring
Between.
Preferably, multiple magnet are equiped between the set casing and plastic casing, multiple magnet are respectively positioned at set casing
Both sides.
The beneficial effects of the utility model：Magnet coil produces magnetic field after being powered, and field drives armature moves upwards, armature
Moved upwardly together during motion via the related dynamic point block of push jack, auxiliary moving plate so that dynamic point block, auxiliary moving plate are respectively turned on two
Main contacts, two auxiliary contact；During actual use, connect without respectively installing one with negative pole circuit in the positive pole circuit of electric equipment products
Tentaculum, it is only necessary to contactor can meet demand, reduce the manufacturing costs of electric equipment products, the structure for simplifying electric equipment products is set
Meter, reduce the volume of electric equipment products.
Brief description of the drawings
Fig. 1 is dimensional structure diagram of the present utility model；
Fig. 2 is that the utility model hides the dimensional structure diagram after plastic casing；
Fig. 3 is decomposition texture schematic diagram of the present utility model；
Fig. 4 is armature of the present utility model, push rod, push jack, back-moving spring, position-limiting drum, fix bar, pre-compressed spring and arc
The dimensional structure diagram of piece.
Reference includes：
1-yoke component, 2-set casing, 3-magnet coil
4-armature, 5-push rod, 6-main contacts
7-auxiliary contact, 8-push jack, 9-fix bar
11-auxiliary moving plate 12-dynamic point, 13-pre-compressed spring of block
14-fixed column, 15-plastic casing, 16-yoke shell
17-yoke plate, 18-back-moving spring 19-can cut down
21-protection cylinder, 22-sleeve, 23-position-limiting drum
24-bulge loop, 25-stopper slot, 26-arc-like sheet
27-magnet.
Embodiment
For the ease of the understanding of those skilled in the art, the utility model is made with reference to embodiment and accompanying drawing further
Explanation, the content that embodiment refers to not to restriction of the present utility model.
Refer to Fig. 1 to Fig. 3, a kind of D.C. contactor with auxiliary contact of the present utility model, including yoke component
1st, the set casing 2 that is connected with yoke component 1, the magnet coil 3 being installed in yoke component 1, it is slidably connected in magnet coil 3
Armature 4, the push rod 5 that is connected with armature 4；The set casing 2 is equiped with two main contacts 6 being spaced and is spaced
Two auxiliary contact 7, main contacts 6, one end of auxiliary contact 7 are protruded into set casing 2, main contacts 6, auxiliary contact 7 it is another
One end stretches out set casing 2；One end of push rod 5 is through yoke component 1 and protrudes into set casing 2, and push rod 5, which is connected with, to be located at
Push jack 8 in set casing 2, push jack 8 is equiped with fix bar 9 and auxiliary moving plate 11, fix bar 9 slidably connect dynamic point block 12, this
In embodiment, dynamic point block 12 is the conducting plate of strip, and dynamic point block 12 is set in the outside of fix bar 9, push jack 8 and dynamic point block 12
Between be equiped with pre-compressed spring 13, the length direction of pre-compressed spring 13 is identical with the glide direction of dynamic point block 12, and dynamic point block 12 is used
Two main contacts 6 are turned in connection, auxiliary moving plate 11 is used to connect two auxiliary contact 7 of conducting.
Magnet coil 3 produces magnetic field after being powered, and field drives armature 4 moves upwards, related push rod 5 one when armature 4 moves
Rise motion, push rod 5 move when moved together with push jack 8, push jack 8 move when related dynamic point block 12, auxiliary moving plate 11 together to
Upper motion so that two main contacts 6 of the connection conducting of dynamic point block 12, auxiliary connection two auxiliary contact 7 of conducting of moving plate 11；Work as dynamic point
After block 12 contacts two main contacts 6, the related dynamic point block 12 of push jack 8 continues to move to, now because main contacts 6 abuts dynamic point block 12,
Dynamic point block 12 can be relatively fixed bar 9 and slide so that the length of pre-compressed spring 13 is compressed, when push jack 8 and dynamic point block 12 stop moving
After dynamic, pre-compressed spring 13 causes dynamic point block 12 to be tightly connected on main contacts 6 in the presence of natural resiliency restoring force, avoids this
The D.C. contactor of utility model causes dynamic point block 12 to be separated with main contacts 6 because of vibration or casual touch；When actually making
Used time, one contactor is respectively installed with negative pole circuit without the positive pole circuit in electric equipment products, it is only necessary to which a contactor can expire
Sufficient demand, for example, now the positive pole circuit of electric equipment products can be connected into conducting with two main contacts 6, by the negative of electric equipment products
Polar curve road is connected conducting with two auxiliary contact 7；The manufacturing cost of electric equipment products is reduced, simplifies the structure design of electric equipment products,
Reduce the volume of electric equipment products.
In the present embodiment, the push rod 5 is made of metal material, and increase push rod 5 intensity of itself, push jack 8 is using exhausted
Edge plastics are made, and are isolated using push jack 8 between dynamic point block 12 and push rod 5, electrically conducting between auxiliary moving plate 11 and push rod 5,
The conducting of conducting and two auxiliary contact 7 of the push rod 5 to two main contacts 6 is avoided to interfere；Preferably, push rod 5 is with pushing away
The injection moulding integrated molding of piece 8（Insert Molding, also known as edge bury shaping）, push rod 5 is additionally provided with the reinforcing in push jack 8
Groove, reinforce groove and formed from the outer surface of push rod 5 is recessed, strengthen the clamping power between push rod 5 and push jack 8, anti-throw-out lever 5 and push jack
8 separate each other；Pre-compressed spring 13 is set in the outside of fix bar 9, and the both ends of pre-compressed spring 13 are connected on push jack 8 and moved respectively
On point block 12；Push jack 8 is provided with fixed column 14, it is preferable that fixed column 14 constructs with push jack 8 for integral type, fixed column 14, fixes
Bar 9 is located at the same side of push jack 8, and auxiliary moving plate 11 is installed on the free end of fixed column 14, and auxiliary moving plate 11 is provided with difference
For abutting two movable contacts of two auxiliary contact 7；Preferably, aid in moving plate 11 be flexure strip, when armature 4 via push rod 5,
After driving auxiliary connection two auxiliary contact 7 of conducting of moving plate 11 of push jack 8, auxiliary moving plate 11 is in bending deformation state, and utilization is auxiliary
The elastic-restoring force of itself of power-assist piece 11 ensures that auxiliary moving plate 11 is steadily connected on two auxiliary contact 7, avoids this practicality new
The D.C. contactor of type causes to aid in moving plate 11 to separate with auxiliary contact 7 because of vibration or casual touch.
The D.C. contactor with auxiliary contact also includes plastic casing 15, and yoke component 1 and set casing 2 are installed in
In plastic casing 15, set casing 2 is made of ceramic material, during actual use, when dynamic point block 12 contacts or disconnected two main contacts 6
When, auxiliary moving plate 11 is when contacting or disconnects two auxiliary contact 7, electric arc can be produced, carry out arc extinguishing using ceramics, extension direct current connects
The service life of tentaculum.In the present embodiment, the quantity of main contacts 6 is four, two one contact sets of composition of main contacts 6, four
Main contacts 6 forms two contact sets, and the both sides of auxiliary contact 7 are equipped with contact sets, i.e. two contact sets are touched positioned at auxiliary respectively
The left and right sides of point 7, main contacts 6, auxiliary contact 7 stretch out plastic casing 15.
The yoke component 1 includes yoke shell 16 and the yoke plate 17 being installed on yoke shell 16, and yoke shell 16 is substantially in U
Type, 17 substantially rectangular flat board of yoke plate, the both ends of the both ends difference connection yoke iron-clad 16 of yoke plate 17, yoke shell 16, fix
Shell 2 is located at the left and right sides of yoke plate 17 respectively, and magnet coil 3 is installed with yoke shell 16, and yoke plate is run through in one end of push rod 5
17 and protrude into set casing 2；The outer sheath of push rod 5 is provided with back-moving spring 18, and back-moving spring 18 is located in yoke shell 16, resets
The both ends of spring 18 are connected on yoke plate 17 and on armature 4 respectively.Magnetic field, field drives are produced after the energization of magnet coil 3
Armature 4 moves upwards, and armature 4 drives dynamic point block 12 and auxiliary moving plate 11 to move via push rod 5, push jack 8 so that movable contact connects
Two main contacts 6, auxiliary connection two auxiliary contact 7 of conducting of moving plate 11 are turned on, now the length of back-moving spring 18 is compressed；When
After magnet coil 3 powers off, magnetic field disappears, and back-moving spring 18 drives armature 4 to move backward in the presence of natural resiliency restoring force
Set back so that dynamic point block 12 separates with main contacts 6, aids in moving plate 11 to be separated with auxiliary contact 7.
The D.C. contactor with auxiliary contact also includes that 19 can be cut down, and can cut down 19 and be clamped in yoke plate 17 and set casing
Between 2,19 can be cut down and be used to seal the gap between yoke plate 17 and set casing 2, push jack 8, yoke plate 17 are located at respectively can cut down 19
The left and right sides.
The yoke plate 17 is equiped with the protection cylinder 21 in yoke shell 16, and protection cylinder 21 is substantially in hollow cylinder
Shape, the use of protection cylinder 21 are drawn mode and are integrally formed, i.e., protection cylinder 21 is made by way of being drawn stretching, and protection cylinder 21 is one
Body formula constructs, it is ensured that the uniformity that protection cylinder 21 constructs, strengthens the performance of protection cylinder 21；Magnet coil 3 is set in protection
The outside of cylinder 21, armature 4 are installed with protection cylinder 21.
During the use of D.C. contactor, using set casing 2, the mutual of 19, yoke plate 17 and protection cylinder 21 can be cut down
Coordinate so that armature 4, push rod 5, push jack 8, fix bar 9, pre-compressed spring 13, dynamic point block 12, auxiliary moving plate 11, main contacts 6 connect
The contact position of synapsis and auxiliary contact 7 is respectively positioned in the space of a closing, and then the space is vacuumized, prevents armature
4th, push rod 5, push jack 8, fix bar 9, pre-compressed spring 13, dynamic point block 12, auxiliary moving plate 11, the contact position of main contacts 6 and auxiliary are touched
The contact position of point 7 is also prevented from the air after electric arc ionizes to armature 4, push rod 5, push jack 8, fixation by oxide etch
Function is caused in bar 9, pre-compressed spring 13, dynamic point block 12, auxiliary moving plate 11, the contact position of main contacts 6 and the contact position of auxiliary contact 7
Influence, lift the performance of D.C. contactor, extend the service life of D.C. contactor.
Be connected with sleeve 22 spaced with yoke plate 17 in the yoke shell 16, sleeve 22 to be hollow cylindric,
Sleeve 22 is located in yoke shell 16, and magnet coil 3 is set in the outside of sleeve 22, and sleeve 22 is set in the outside of protection cylinder 21.
Yoke shell 16, yoke plate 17 and sleeve 22 collectively constitute yoke component 1, it is ensured that and the both ends of protection cylinder 21 contact yoke component 1,
After the energization of magnet coil 3 so that yoke component 1 forms closed loop with protection cylinder 21, using caused by closed loop constraint magnet coil 3
Magnetic induction line, the energy loss in magnetic field caused by magnet coil 3 is reduced, so as to strengthen magnetive attraction caused by magnet coil 3, it is ensured that rank
Iron 4 has enough driving forces.
Fig. 1 to Fig. 4 is referred to, the yoke plate 17 is equiped with the position-limiting drum 23 for being set in the outside of push rod 5, position-limiting drum 23
In in yoke shell 16, magnet coil 3 is set in the outside of position-limiting drum 23, and position-limiting drum 23 is provided with bulge loop 24, and bulge loop 24 is from position-limiting drum
23 outer surface one projection is formed, and one end of back-moving spring 18 is connected on bulge loop 24；It is easy to the installation of back-moving spring 18, together
When also avoid damaging caused by back-moving spring 18 is directly connected on yoke plate 17 to yoke plate 17；Limited location is set on armature 4
Groove 25, stopper slot 25 are formed close to the side of yoke plate 17 is recessed from armature 4, and the other end of back-moving spring 18 is connected to stopper slot
On 25 bottom wall；Back-moving spring 18 is housed using stopper slot 25, is easy to the Fast Installation of back-moving spring 18.
The push rod 5 runs through armature 4, and push rod 5 is provided with annular groove, and annular groove forms from the outer surface of push rod 5 is recessed,
The outer sheath of push rod 5 is provided with arc-like sheet 26, and arc-like sheet 26 is substantially semicircle, and the both ends of arc-like sheet 26 are arranged at intervals, arc-like sheet
The distance between 26 both ends are less than the diameter of push rod 5, and arc-like sheet 26 is provided with the lug that protrudes into annular groove, will during assembling
Gap of the push rod 5 between the both ends of arc-like sheet 26 is squeezed into arc-like sheet 26, and lug is caught in the annular groove of push rod 5, effectively
Prevent arc-like sheet 26 from being separated each other with push rod 5；Armature 4 is clamped between arc-like sheet 26 and back-moving spring 18, utilizes back-moving spring
18 are tightly connected to armature 4 on arc-like sheet 26, further prevent arc-like sheet 26 from being come off from push rod 5.Preferably, fix bar 9
Dynamic point block 12 is run through in one end away from push jack 8, and fix bar 9 is again provided with annular groove, and the outside of fix bar 9 is equally arranged with arc
Piece 26, dynamic point block 12 are clamped between pre-compressed spring 13 and arc-like sheet 26.
Multiple magnet 27 are equiped between the set casing 2 and plastic casing 15, multiple magnet 27 are respectively positioned at set casing 2
The left and right sides.Arc extinguishing is carried out using magnetic field caused by magnet 27, under magnetic fields, the skew of electric arc can make generation in set casing
Electric arc in 2 between dynamic point block 12 and main contacts 6 is elongated, the electric arc between auxiliary moving plate 11 and auxiliary contact 7 is elongated, electric arc
Voltage will uprise, and when arc voltage is higher than the supply voltage between dynamic point block 12 and main contacts 6, aid in moving plate 11 and auxiliary
During supply voltage between contact 7, electric arc will automatic distinguishing.Preferably, support is installed between plastic casing 15 and set casing 2
Frame, multiple magnet 27 are installed on support frame.
Above content is only preferred embodiment of the present utility model, for one of ordinary skill in the art, according to this reality
With new thought, there will be changes, this specification content should not be construed as in specific embodiments and applications
To limitation of the present utility model.
Claims (10)
1. a kind of D.C. contactor with auxiliary contact, including yoke component, be connected with yoke component set casing, be installed in
Magnet coil in yoke component, the armature being slidably connected in magnet coil, the push rod being connected with armature；It is characterized in that：
Two auxiliary contact that the set casing is equiped with two main contacts being spaced and is spaced, main contacts, auxiliary contact
One end protrude into set casing, main contacts, the other end of auxiliary contact stretch out set casing；Yoke is run through in one end of push rod
Iron component is simultaneously protruded into set casing, and push rod is connected with the push jack in set casing, and push jack is equiped with fix bar and auxiliary is dynamic
Piece, fix bar slidably connect dynamic point block, and pre-compressed spring is equiped between push jack and dynamic point block, and dynamic point block is used to connect conducting two
Individual main contacts, auxiliary moving plate are used to connect two auxiliary contact of conducting.
2. the D.C. contactor according to claim 1 with auxiliary contact, it is characterised in that：The push rod is noted with push jack
Modeling is integrally formed, and pre-compressed spring is sheathed on the outside of fix bar, and the both ends of pre-compressed spring abut push jack and dynamic point block respectively；Push jack
Provided with fixed column, fixed column, fix bar are located at the same side of push jack, and auxiliary moving plate is installed in the free end of fixed column, and auxiliary is dynamic
Piece is provided with two movable contacts for being respectively used to abut two auxiliary contact.
3. the D.C. contactor according to claim 1 with auxiliary contact, it is characterised in that：It is described to carry auxiliary contact
D.C. contactor also include plastic casing, yoke component and set casing are assembled in plastic casing, and set casing uses ceramic material
It is made；The quantity of main contacts is four, and two main contacts form a contact sets, and the both sides of auxiliary contact are equipped with contact sets,
Main contacts, auxiliary contact stretch out plastic casing.
4. the D.C. contactor according to claim 1 with auxiliary contact, it is characterised in that：The yoke component includes
Yoke shell and the yoke plate for being installed in yoke shell, yoke shell, set casing are located at the both sides of yoke plate respectively, and magnet coil is located in
In yoke shell, push rod runs through yoke plate；The outer sheath of push rod is provided with back-moving spring, and the both ends of back-moving spring abut yoke plate respectively
And armature.
5. the D.C. contactor according to claim 4 with auxiliary contact, it is characterised in that：It is described to carry auxiliary contact
D.C. contactor also include cutting down, can cut down and be held between yoke plate and set casing, can cut down for sealing yoke plate and fixation
Gap between shell, push jack, yoke plate are respectively positioned at the both sides that can be cut down.
6. the D.C. contactor according to claim 5 with auxiliary contact, it is characterised in that：The yoke plate is equiped with
Protection cylinder in yoke shell, magnet coil are sheathed on the outside of protection cylinder, and armature is located in protection cylinder.
7. the D.C. contactor according to claim 6 with auxiliary contact, it is characterised in that：Connected in the yoke shell
Have and be sheathed on the outside of sleeve with the spaced sleeve of yoke plate, magnet coil, sleeve is sheathed on the outside of protection cylinder.
8. the D.C. contactor according to claim 4 with auxiliary contact, it is characterised in that：The yoke plate is equiped with
The position-limiting drum being sheathed on the outside of push rod, position-limiting drum are located in yoke shell, and magnet coil is sheathed on the outside of position-limiting drum, and position-limiting drum is set
There is bulge loop, one end of back-moving spring is connected to bulge loop；Armature is provided with stopper slot, and stopper slot is recessed close to the side of yoke plate from armature
If forming, the other end of back-moving spring is connected to the bottom wall of stopper slot.
9. the D.C. contactor according to claim 4 with auxiliary contact, it is characterised in that：The push rod is through rank
Iron, push rod are provided with annular groove, and the outer sheath of push rod is provided with arc-like sheet, and the both ends of arc-like sheet are arranged at intervals, and arc-like sheet is provided with prominent
The lug stretched into annular groove, armature are held between arc-like sheet and back-moving spring.
10. the D.C. contactor according to claim 3 with auxiliary contact, it is characterised in that：The set casing and modeling
Multiple magnet are equiped between glue shell, multiple magnet are located at the both sides of set casing respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720508374.3U CN206819944U (en) | 2017-05-09 | 2017-05-09 | A kind of D.C. contactor with auxiliary contact |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720508374.3U CN206819944U (en) | 2017-05-09 | 2017-05-09 | A kind of D.C. contactor with auxiliary contact |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206819944U true CN206819944U (en) | 2017-12-29 |
Family
ID=60755494
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720508374.3U Withdrawn - After Issue CN206819944U (en) | 2017-05-09 | 2017-05-09 | A kind of D.C. contactor with auxiliary contact |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206819944U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107026056A (en) * | 2017-05-09 | 2017-08-08 | 东莞市三友联众电器有限公司 | A kind of D.C. contactor with auxiliary contact |
| CN111916311A (en) * | 2020-09-04 | 2020-11-10 | 贵州航天电器股份有限公司 | High-voltage direct-current contactor with two sets of dynamic contact points |
-
2017
- 2017-05-09 CN CN201720508374.3U patent/CN206819944U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107026056A (en) * | 2017-05-09 | 2017-08-08 | 东莞市三友联众电器有限公司 | A kind of D.C. contactor with auxiliary contact |
| CN107026056B (en) * | 2017-05-09 | 2019-08-27 | 三友联众集团股份有限公司 | A kind of D.C. contactor with auxiliary contact |
| CN111916311A (en) * | 2020-09-04 | 2020-11-10 | 贵州航天电器股份有限公司 | High-voltage direct-current contactor with two sets of dynamic contact points |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20171229 Effective date of abandoning: 20190827 |
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| AV01 | Patent right actively abandoned |