CN209216813U - A kind of housing and its DC relay of DC relay - Google Patents
A kind of housing and its DC relay of DC relay Download PDFInfo
- Publication number
- CN209216813U CN209216813U CN201821704410.4U CN201821704410U CN209216813U CN 209216813 U CN209216813 U CN 209216813U CN 201821704410 U CN201821704410 U CN 201821704410U CN 209216813 U CN209216813 U CN 209216813U
- Authority
- CN
- China
- Prior art keywords
- convex ribs
- movable contact
- housing
- relay
- dynamic component
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Connector Housings Or Holding Contact Members (AREA)
Abstract
The utility model discloses a kind of housing of DC relay and its DC relay, which surrounds the cavity that Open Side Down by a roof and four side walls including including a roof and four side walls；It is used to install the mounting hole of two static contacts of DC relay in the roof of housing there are two setting；Correspond to the second sidewall of the first side wall of the long side of the movable contact spring of DC relay and the short side of two movable contact springs corresponding to DC relay in four side walls of housing including two；In a relative position of two the first side walls, and one end of the length of movable contact spring is corresponded to, is respectively equipped with one along the first vertical convex ribs.The utility model can either anti-stop assembly during the motion along the width direction vibration of movable contact spring, and being capable of the generation with the phenomenon that is stuck in assembling process during the motion of anti-stop assembly.
Description
Technical field
The utility model relates to DC relay technical fields, housing more particularly to a kind of DC relay and its straight
Current relay.
Background technique
Relay is a kind of electronic control device, it have control system (also known as input circuit) and by control system (again
Claim output loop), it is usually applied in automatic control circuit, it is actually to go the one of control larger current with lesser electric current
Kind " automatic switch ".Therefore the effects of playing automatic adjustment, safeguard protection, conversion circuit in circuit.
DC relay is one of relay, and existing DC relay mostly uses greatly movable contact spring Direct Action Type (also referred to as
For solenoid Direct Action Type) scheme, the contact part of the DC relay includes two static contacts and a dynamic component, moves component packet
It includes spring part and pushes bar assembly, dynamic spring part is made of the movable contact of movable contact spring and movable contact spring both ends, and movable contact spring is usually
Straight chip type pushes bar assembly to generally include u-bracket and catch bar, the end of the two side walls of one end and u-bracket of catch bar
End is mutually fixed, and movable contact spring then passes through spring (for pressure spring) and is mounted in the U-shaped mouth of u-bracket, when the movable contact at movable contact spring both ends
When being in contact respectively with two static contacts, electric current is flowed by one of static contact, from another static contact after movable contact spring
Outflow.The generally open shroud-like structure directed downwardly of the housing of DC relay surrounds an opening by a roof and four side walls
Downward cavity, this housing of the prior art are usually equipped with two mounting holes in roof, and two static contacts are attached separately to cover
In two mounting holes of shell roof, the stationary contact of two static contacts is located at bottom end and is in housing, and dynamic component is also accommodated in cover
It is moved in shell and under the driving of magnetic circuit part, to realize the movable contact of dynamic component and the stationary contact point contact of static contact or separate,
To realize that load is switched on or switched off.Dynamic component during the motion, readily along the width direction vibration of movable contact spring, causes
Deviation is generated when dynamic and static contact contacts, and then influences the stability of relay performance.This vibration of component is moved in order to prevent,
Usually dynamic component is limited with a gap using the side wall of housing, however, when gap is excessive, the limit that has not had
Effect, when gap is too small, then the phenomenon that be easy to causeing dynamic component to be stuck.
Utility model content
The purpose of the utility model is to overcome the deficiency of the prior art, the housing of a kind of DC relay and its straight is provided
Current relay is improved by the structure of the housing to DC relay, can either anti-stop assembly during the motion along dynamic
The width direction vibration of reed, and being capable of the generation with the phenomenon that is stuck in assembling process during the motion of anti-stop assembly.
The technical scheme adopted by the utility model to solve the technical problem is as follows: a kind of housing of DC relay, including
One roof and four side walls, and the cavity that Open Side Down is surrounded by a roof and four side walls；In the roof of housing
In set there are two be used to install DC relay two static contacts mounting hole；It include two correspondences in four side walls of housing
Correspond to the of the short side of the movable contact spring of DC relay in the first side wall of the long side of the movable contact spring of DC relay and two
Two side walls；In a relative position of two the first side walls, and one end of the length of movable contact spring is corresponded to, is respectively equipped with one
Along it is vertical and be for DC relay dynamic component realize fine positioning the first convex ribs.
In another relative position of two the first side walls, and the other end of the length of movable contact spring is corresponded to, also distinguished
Equipped with one along it is vertical and be can to the dynamic component of DC relay realize auxiliary stopper the second convex ribs, the second convex ribs
Protrusion height less than the first convex ribs protrusion height.
In another relative position of two the first side walls, and the other end of the length of movable contact spring is corresponded to, also distinguished
Equipped with one along it is vertical and be for realize electric arc isolation and increase creepage distance the second convex ribs, the protrusion of the second convex ribs
Protrusion height of the height less than the first convex ribs.
The housing is ceramic shield.
A kind of DC relay, including two static contacts, a dynamic component and a housing；The dynamic component includes dynamic spring
Part and promotion bar assembly；The dynamic spring part is made of the movable contact of straight chip type movable contact spring and movable contact spring both ends, the dynamic spring
Piece is installed on promotion bar assembly；The housing includes a roof and four side walls, and is surrounded by a roof and four side walls
One cavity that Open Side Down；Described two static contacts are attached separately in the roof of housing, and make the bottom end of two static contacts
In the cavity of housing, the dynamic component is movably in the cavity of housing, and makes the movable contact and static contact of component
Stationary contact match；In two opposite the first side walls of the long side of the movable contact spring corresponding to DC relay of housing,
In the one end for the length for corresponding to movable contact spring, one is respectively equipped with along vertical and be for the dynamic component to DC relay
The first convex ribs for realizing fine positioning cooperate between first convex ribs and dynamic component in minim gap.
Cooperate between first convex ribs and the movable contact spring of dynamic component in minim gap.
The promotion bar assembly includes u-bracket, spring and catch bar, and the movable contact spring is mounted on U-shaped branch by spring
In the U-shaped mouth of frame, the bottom end of the two side walls of the upper end and u-bracket of catch bar is mutually fixed；First convex ribs and dynamic component
U-bracket between in minim gap cooperate.
In the first side wall, and the other end of the length of movable contact spring is corresponded to, further respectively has one along perpendicular
To and be the second convex ribs that auxiliary stopper can be realized to the dynamic component of DC relay, the protrusion height of the second convex ribs be less than
The protrusion height of first convex ribs is in bigger clearance fit between the second convex ribs and dynamic component.
In the first side wall, and the other end of the length of movable contact spring is corresponded to, further respectively has one along perpendicular
To and be for realizing electric arc isolation and increasing the second convex ribs of creepage distance, the protrusion height of the second convex ribs is convex less than first
The protrusion height of muscle is in bigger clearance fit between the second convex ribs and dynamic component.
Cooperate between first convex ribs and the movable contact spring of dynamic component in minim gap；Second convex ribs and dynamic component
It is in bigger clearance fit between movable contact spring.
The promotion bar assembly includes u-bracket, spring and catch bar, and the movable contact spring is mounted on U-shaped branch by spring
In the U-shaped mouth of frame, the bottom end of the two side walls of the upper end and u-bracket of catch bar is mutually fixed；First convex ribs and dynamic component
U-bracket between in minim gap cooperate；It is in bigger clearance fit between second convex ribs and the u-bracket of dynamic component.
The housing is ceramic shield.
Compared with prior art, the beneficial effects of the utility model are:
1, the utility model is equipped with first convex ribs due to using in housing, by by the first convex ribs and dynamic component
Between gap setting it is smaller, i.e. between the first convex ribs and dynamic component in minim gap cooperate, can either anti-stop assembly exist
Along the width direction vibration of movable contact spring in motion process, but can anti-stop assembly during the motion with quilt in assembling process
The generation of stuck phenomenon.
2, the utility model is additionally provided with second convex ribs due to using same side wall in housing, by by second
Gap setting between convex ribs and dynamic component it is slightly larger, i.e. be in bigger clearance fit, Ke Yishi between the second convex ribs and dynamic component
Now to dynamic component in the auxiliary stopper of the other end for the length for corresponding to movable contact spring, anti-stop assembly is during the motion along dynamic
The width direction vibration of reed.
3, the utility model is equipped with the first convex ribs, the second convex ribs due to using in housing, strengthens housing entirety
Part strength, and reduce the molding deformation of housing, it ensure that part size consistency.
4, the utility model is equipped with the first convex ribs, the second convex ribs due to using in housing, is on the one hand conducive to electric arc
Isolation, on the other hand, when housing pollutes, the presence of convex ribs increases the creepage distance of product.
The utility model is described in further detail with reference to the accompanying drawings and embodiments；But one kind of the utility model is straight
The housing and its DC relay of current relay are not limited to the embodiment.
Detailed description of the invention
Fig. 1 is the D structure schematic diagram of the housing of the embodiments of the present invention one；
Fig. 2 is the D structure schematic diagram of the housing (bottom-up) of the embodiments of the present invention one；
Fig. 3 is that the housing of the embodiments of the present invention one matches with the movable contact spring of dynamic component and (removes housing roof)
Structural schematic diagram；
Fig. 4 is that the housing of the embodiments of the present invention two matches with the u-bracket of dynamic component and (removes housing roof)
Structural schematic diagram；
Fig. 5 is the D structure schematic diagram of the housing (bottom-up) of the embodiments of the present invention three；
Fig. 6 is that the housing of the embodiments of the present invention three matches with the movable contact spring of dynamic component and (removes housing roof)
Structural schematic diagram；
Fig. 7 is that the housing of the embodiments of the present invention four matches with the u-bracket of dynamic component and (removes housing roof)
Structural schematic diagram.
Specific embodiment
Embodiment one
Referring to shown in Fig. 1 to Fig. 2, a kind of housing of DC relay of the utility model, housing 1 includes a roof 11
With four side walls, and the cavity that Open Side Down 10 is surrounded by a roof 11 and four side walls；In the roof 11 of housing
If there are two the mounting holes 12 for two static contacts for being used to install DC relay；It include two right in four side walls of housing 1
It should be in the short side of the first side wall 13 of the long side of the movable contact spring of DC relay and two movable contact springs corresponding to DC relay
Second sidewall 14；In a relative position of two the first side walls 13, and one end of the length of movable contact spring is corresponded to, respectively
Equipped with one along it is vertical and be for DC relay dynamic component realize fine positioning the first convex ribs 21, utilize first
Convex ribs 21 carry out anti-stop assembly and are being moved through during the motion along the width direction vibration of movable contact spring and anti-stop assembly
The generation for the phenomenon that is stuck in journey and in assembling process.
In the present embodiment, the housing 1 is ceramic shield.
Referring to shown in Fig. 1 to Fig. 3, a kind of DC relay of the utility model, including two static contacts (do not show in figure
Out), a dynamic component 3 and a housing 1；The dynamic component 3 includes dynamic spring part and promotion bar assembly；The dynamic spring part by
Straight chip type movable contact spring 31 and the movable contact at movable contact spring both ends are constituted；The promotion bar assembly includes u-bracket 32, spring and promotion
Bar, the movable contact spring 31 are mounted in the U-shaped mouth of u-bracket 32 by spring, and two of the upper end of catch bar and u-bracket 32
The bottom end of side wall is mutually fixed, wherein u-bracket 32 uses the structure of prior art；The housing 1 includes a roof 11 and four
A side wall, and the cavity that Open Side Down 10 is surrounded by a roof 11 and four side walls；Described two static contacts fill respectively
In the roof 11 of housing, and make the bottom end of two static contacts in the cavity 10 of housing, the dynamic component 3 is removable to be located in
In the cavity of housing 1, and match the movable contact of component with the stationary contact of static contact；Corresponding to for the housing 1 is straight
In the opposite side wall, that is, the first side wall 13 of two of the long side of the movable contact spring of current relay, the one of the length for corresponding to movable contact spring
End, be respectively equipped with one along it is vertical and be for DC relay dynamic component realize fine positioning the first convex ribs 21,
Cooperate between first convex ribs 21 and dynamic component 3 in minim gap, so-called minim gap is refers to the gap very little, fixed can be realized
Subject to position.
In the present embodiment, cooperate between first convex ribs 21 and the movable contact spring 31 of dynamic component 3 in minim gap.
The utility model is equipped with first convex ribs 21 due to using in housing 1, by by the first convex ribs 21 with it is dynamic
Gap setting between component 3 it is smaller, i.e., cooperate between the first convex ribs 21 and dynamic component 3 in minim gap, can either prevent
Move component 3 during the motion along the width direction vibration of movable contact spring 31, and can anti-stop assembly 3 during the motion and
The generation for the phenomenon that is stuck in assembling process.
The utility model is equipped with the first convex ribs 21 due to using in housing 1, strengthens the part strength of housing entirety,
And reduces the molding deformation of housing, ensure that part size consistency.Due to being equipped with the first convex ribs 21 in housing, on the one hand
Be conducive to electric arc isolation, on the other hand, when housing pollutes, the presence of the first convex ribs 21 increase product climb it is electric away from
From.
Embodiment two
It is shown in Figure 4, a kind of DC relay of the utility model, with embodiment one the difference is that, it is described
Cooperate between first convex ribs 21 and the u-bracket 32 of dynamic component 3 in minim gap.
Embodiment three
Shown in Figure 5, a kind of housing of DC relay of the utility model exists with the difference of embodiment one
In in another relative position of two the first side walls 13, and corresponding to the other end of the length of movable contact spring, further respectively have
One along it is vertical and be can to the dynamic component of DC relay realize auxiliary stopper the second convex ribs 22, the second convex ribs 22
Protrusion height less than the first convex ribs 21 protrusion height, by by the gap setting between the second convex ribs 22 and dynamic component slightly
Greatly, i.e., it is in bigger clearance fit between the second convex ribs 22 and dynamic component, may be implemented to dynamic component in the length for corresponding to movable contact spring
The auxiliary stopper of the other end of degree, anti-stop assembly is during the motion along the width direction vibration of movable contact spring.
Referring to shown in Fig. 5 to Fig. 6, a kind of DC relay of the utility model, with embodiment one the difference is that,
In the side wall 13, and the other end of the length of movable contact spring is corresponded to, further respectively has one along vertical and be energy
Enough dynamic components to DC relay realize that the second convex ribs 22 of auxiliary stopper, the protrusion height of the second convex ribs 22 are convex less than first
The protrusion height of muscle 21 is in bigger clearance fit between second convex ribs 22 and dynamic component 3.The present embodiment utilizes increased second
Convex ribs 22, in the other end for the length for corresponding to movable contact spring, anti-stop assembly is during the motion along the width side of movable contact spring
To vibration.
In the present embodiment, cooperate between first convex ribs 21 and the movable contact spring 31 of dynamic component in minim gap；Described
It is in bigger clearance fit between two convex ribs 22 and the movable contact spring 31 of dynamic component.
Same side wall, that is, the first side wall 13 that the utility model uses in housing 1 is additionally provided with second convex ribs 22,
By being in bigger by the slightly larger of the gap setting between the second convex ribs 22 and dynamic component 3, i.e., between the second convex ribs 22 and dynamic component 3
Clearance fit may be implemented to dynamic component in the auxiliary stopper of the other end for the length for corresponding to movable contact spring, and anti-stop assembly exists
Along the width direction vibration of movable contact spring in motion process.
The utility model is equipped with first convex ribs 21 and one second due to the same side wall 13 used in housing 1
Convex ribs 22, and allow the protrusion height of the second convex ribs 22 less than the protrusion height of the first convex ribs 21, so that the first convex ribs 21 and
Gap between two convex ribs 22 and dynamic component 3 is different, using between protrusion height relatively higher the first convex ribs 21 and dynamic component 3
Cooperate in minim gap, realizes the fine positioning to dynamic component in the one end for the length for corresponding to movable contact spring, utilize protrusion height phase
It, can either anti-stop assembly 3 edge during the motion to being in bigger clearance fit between lower second convex ribs 22 and dynamic component 3
The width direction vibration of movable contact spring 31, and can anti-stop assembly 3 during the motion with the phenomenon that is stuck in assembling process
Generation.
The utility model is equipped with the first convex ribs 21 and the second convex ribs 22 due to using in housing 1, and it is whole to strengthen housing
The part strength of body, and reduce the molding deformation of housing, it ensure that part size consistency.Due to being equipped with first in housing
On the one hand convex ribs 21 and the second convex ribs 22 are conducive to electric arc isolation, on the other hand, when housing pollutes, the presence of convex ribs
Increase the creepage distance of product.
It is worth noting that, the second convex ribs 22 set by the utility model can not also play auxiliary stopper, also
It is to say, in the motion process of dynamic component and in assembling process, dynamic component will not be in contact with the second convex ribs 22, at this point, setting
The purpose of second convex ribs 22 is exactly for realizing electric arc isolation and increasing creepage distance.
Example IV
It is shown in Figure 7, a kind of DC relay of the utility model, with embodiment three the difference is that, it is described
Cooperate between first convex ribs 21 and the u-bracket 32 of dynamic component in minim gap；The U-shaped branch of second convex ribs 22 and dynamic component
It is in bigger clearance fit between frame 32.
The preferred embodiment of above-mentioned only the utility model, does not impose any limitation on the present invention.Though
So the utility model has been disclosed with preferred embodiment as above, however is not intended to limit the utility model.It is any to be familiar with this field
Technical staff, in the case where not departing from technical solutions of the utility model range, all using the technology contents of the disclosure above
Many possible changes and modifications are made to technical solutions of the utility model, or are revised as equivalents equivalent embodiment.Therefore,
All contents without departing from technical solutions of the utility model, according to the utility model technical spirit made to the above embodiment
What simple modification, equivalent variation and modification should all be fallen in the range of technical solutions of the utility model protection.
Claims (12)
1. a kind of housing of DC relay, including a roof and four side walls, and surrounded by a roof and four side walls
One cavity that Open Side Down；It is used to install the installation of two static contacts of DC relay in the roof of housing there are two setting
Hole；It include the first side wall and two correspondences of the long side of two movable contact springs for corresponding to DC relay in four side walls of housing
In the second sidewall of the short side of the movable contact spring of DC relay；It is characterized by: in a relative position of two the first side walls,
And one end of the length of movable contact spring is corresponded to, one is respectively equipped with along vertical and be for dynamic group to DC relay
First convex ribs of part realization fine positioning.
2. the housing of DC relay according to claim 1, it is characterised in that: in another phase of two the first side walls
To position, and correspond to the other end of the length of movable contact spring, further respectively have one along it is vertical and be can be to direct current
The dynamic component of relay realizes that the second convex ribs of auxiliary stopper, the protrusion height of the second convex ribs are high less than the protrusion of the first convex ribs
Degree.
3. the housing of DC relay according to claim 1, it is characterised in that: in another phase of two the first side walls
To position, and the other end of the length of movable contact spring is corresponded to, further respectively has one along vertical and be for realizing electricity
Arc isolation and the second convex ribs for increasing creepage distance, the protrusion height of the protrusion heights of the second convex ribs less than the first convex ribs.
4. the housing of DC relay according to claim 1 or 2 or 3, it is characterised in that: the housing is ceramic shield.
5. a kind of DC relay, including two static contacts, a dynamic component and a housing；The dynamic component includes dynamic spring portion
Divide and push bar assembly；The dynamic spring part is made of the movable contact of straight chip type movable contact spring and movable contact spring both ends, the movable contact spring
It is installed on promotion bar assembly；The housing includes a roof and four side walls, and surrounds one by a roof and four side walls
A cavity that Open Side Down；Described two static contacts are attached separately in the roof of housing, and the bottom end of two static contacts is made to exist
In the cavity of housing, the dynamic component is movably in the cavity of housing, and makes the movable contact and static contact of component
Stationary contact matches；It is characterized by: at two opposite of the long side of the movable contact spring corresponding to DC relay of housing
In one side wall, in the one end for the length for corresponding to movable contact spring, one is respectively equipped with along vertical and be for direct current relay
The dynamic component of device realizes the first convex ribs of fine positioning, cooperates between first convex ribs and dynamic component in minim gap.
6. DC relay according to claim 5, it is characterised in that: the movable contact spring of first convex ribs and dynamic component it
Between in minim gap cooperate.
7. DC relay according to claim 5, it is characterised in that: the promotion bar assembly includes u-bracket, spring
And catch bar, the movable contact spring are mounted in the U-shaped mouth of u-bracket by spring, two of the upper end of catch bar and u-bracket
The bottom end of side wall is mutually fixed；Cooperate between first convex ribs and the u-bracket of dynamic component in minim gap.
8. DC relay according to claim 5, it is characterised in that: in the first side wall, and correspond to move
The other end of the length of reed, further respectively have one along it is vertical and be can to the dynamic component of DC relay realize it is auxiliary
Help the second convex ribs of limit, the protrusion heights of the second convex ribs less than the first convex ribs protrusion height, the second convex ribs and dynamic component it
Between be in bigger clearance fit.
9. DC relay according to claim 5, it is characterised in that: in the first side wall, and correspond to move
The other end of the length of reed, further respectively have one along it is vertical and be for realize electric arc isolation and increase creepage distance
The second convex ribs, the protrusion heights of the second convex ribs less than the first convex ribs protrusion height, in omiting between the second convex ribs and dynamic component
Wide arc gap cooperation.
10. DC relay according to claim 8 or claim 9, it is characterised in that: the dynamic spring of first convex ribs and dynamic component
Cooperate between piece in minim gap；It is in bigger clearance fit between second convex ribs and the movable contact spring of dynamic component.
11. DC relay according to claim 8 or claim 9, it is characterised in that: the promotion bar assembly include u-bracket,
Spring and catch bar, the movable contact spring are mounted in the U-shaped mouth of u-bracket by spring, the upper end of catch bar and u-bracket
The bottom end of two side walls is mutually fixed；Cooperate between first convex ribs and the u-bracket of dynamic component in minim gap；Described second
It is in bigger clearance fit between convex ribs and the u-bracket of dynamic component.
12. DC relay according to claim 5, it is characterised in that: the housing is ceramic shield.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821704410.4U CN209216813U (en) | 2018-10-19 | 2018-10-19 | A kind of housing and its DC relay of DC relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821704410.4U CN209216813U (en) | 2018-10-19 | 2018-10-19 | A kind of housing and its DC relay of DC relay |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209216813U true CN209216813U (en) | 2019-08-06 |
Family
ID=67456331
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821704410.4U Active CN209216813U (en) | 2018-10-19 | 2018-10-19 | A kind of housing and its DC relay of DC relay |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209216813U (en) |
-
2018
- 2018-10-19 CN CN201821704410.4U patent/CN209216813U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105551897B (en) | A kind of high voltage direct current relay and its assembly method | |
| US12002641B2 (en) | High-voltage DC relay having a movable piece | |
| CN106449279A (en) | A DC contactor with auxiliary contacts | |
| CN106887365A (en) | DC relay | |
| CN209216813U (en) | A kind of housing and its DC relay of DC relay | |
| CN108321032A (en) | A kind of movable contact spring and its safety relay for safety relay | |
| CN207966864U (en) | Movable contact spring and its safety relay for safety relay | |
| CN110473744A (en) | A kind of DC relay carrying out arc extinguishing based on magnet steel | |
| CN209388949U (en) | A kind of D.C. contactor | |
| CN205881749U (en) | Micro -gap switch's waterproof construction and cooking device | |
| CN110349810A (en) | A kind of strong shock resistance and the electromagnetic relay convenient for Automated assembly | |
| CN106935442B (en) | A kind of push-down high-power magnetic relay | |
| CN208754597U (en) | A kind of stepped starting circuit board with anti-static function | |
| CN210591337U (en) | Sliding block mechanism for automobile side door plate | |
| CN209104081U (en) | Relay with upper electrostatic spring | |
| CN201051469Y (en) | High-capacity contact top auxiliary switch structure | |
| CN209607606U (en) | A kind of contact that normally-open normally-close contact is general support | |
| CN109830402A (en) | A kind of sealing structure of sealed high voltage direct current relay | |
| CN110690079A (en) | High-voltage direct-current relay packaged by square epoxy | |
| CN208922995U (en) | A kind of D.C. contactor | |
| CN210516633U (en) | Coil rack capable of adjusting height position and high-voltage direct-current relay thereof | |
| CN109979769A (en) | A kind of contact that normally-open normally-close contact is general support | |
| CN205051083U (en) | Connector | |
| CN203312183U (en) | Small-size magnetic latching power relay | |
| CN206225292U (en) | A kind of electromagnetic relay of the double lead column pushing blocks of band |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |