CN203707034U - DC contactor sealed structure - Google Patents
DC contactor sealed structure Download PDFInfo
- Publication number
- CN203707034U CN203707034U CN201420037123.8U CN201420037123U CN203707034U CN 203707034 U CN203707034 U CN 203707034U CN 201420037123 U CN201420037123 U CN 201420037123U CN 203707034 U CN203707034 U CN 203707034U
- Authority
- CN
- China
- Prior art keywords
- ceramic member
- contactor
- base
- ceramic piece
- metal inner
- 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.)
- Expired - Lifetime
Links
- 239000000919 ceramic Substances 0.000 claims abstract description 39
- 239000002184 metal Substances 0.000 claims abstract description 20
- 229910052751 metal Inorganic materials 0.000 claims abstract description 20
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 4
- 238000010276 construction Methods 0.000 claims description 11
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 239000007769 metal material Substances 0.000 claims description 3
- 238000007789 sealing Methods 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 3
- 238000009413 insulation Methods 0.000 abstract description 3
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000003466 welding Methods 0.000 abstract description 2
- 230000003068 static effect Effects 0.000 abstract 3
- 230000006978 adaptation Effects 0.000 abstract 1
- 238000001465 metallisation Methods 0.000 abstract 1
- 230000003044 adaptive effect Effects 0.000 description 3
- 230000000007 visual effect Effects 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- Rehabilitation Tools (AREA)
- Manipulator (AREA)
Abstract
The utility model discloses a DC contactor sealed structure which comprises a plastic shell and a base. A cavity is sealed and formed by the plastic shell and the base. A metal inner shell is sleeved in the cavity and is internally provided with two static contact points, a moving contact piece and a reciprocating driving mechanism formed by a coil and a moving iron core. The opening of the metal inner shell is provided with a ceramic piece in a sealing way. The two static contact points are fixed on the ceramic piece, and the upper ends of the two static contact points extend out of the ceramic piece respectively to form a connection end. Two leading out wires of the coil are led to the base from the ceramic piece respectively. According to the DC contactor sealed structure, the ceramic piece and metal piece welded sealing is employed, the sealing effect is good, the environmental adaptation ability is stronger, the working temperature is improved to a range between 55 DEG C below zero to 85 DEG C from a range between 40 DEG C below zero to 85 DEG C, at the same time an upper step design is employed by the upper side face of the ceramic piece, the screen printed metallization can be completed in one time, the production efficiency is greatly raised, the lower step and connection ring welding are employed by the lower side face of the ceramic piece, and the insulation distance is increased.
Description
Technical field
The utility model relates to a kind of D.C. contactor, relates in particular to a kind of D.C. contactor hermetically-sealed construction.
Background technology
D.C. contactor is generally made up of arc control device, running part and coil etc., but the most of epoxy sealing that adopts of the arc control device of D.C. contactor in the market, not only sealing effectiveness is not good, and adaptive capacity to environment is poor, and working temperature generally can only be at-40 ℃～+ 85 ℃.
Summary of the invention
In order to overcome above-mentioned defect, the utility model provides a kind of D.C. contactor hermetically-sealed construction, not only good sealing effect, and also adaptive capacity to environment is stronger.
The utility model for the technical scheme that solves its technical problem and adopt is: a kind of D.C. contactor hermetically-sealed construction, comprise plastic casing and base, this plastic casing and base seal form a cavity, a sheathed metal inner casing in this cavity, in this metal inner casing, be provided with two fixed contacts, the reciprocating drive mechanism that movable contact spring and coil and moving iron core form, described base is provided with two lead-out wires of coil, described reciprocating drive mechanism can drive described movable contact spring back and forth movement to disconnect with two fixed contact connected sums, also seal and be provided with a ceramic member at the opening part of described metal inner casing, described two fixed contacts are fixed on this ceramic member and described ceramic member formation link is stretched out respectively in the upper end of this two fixed contact, two lead-out wires of described coil lead to respectively described base from described ceramic member.
As further improvement of the utility model, take described ceramic member near a side of described base as upper side, its relative another side is downside, on the upper side of this ceramic member, corresponding described link and lead-out wire surrounding form respectively protruding upward topping bar, and the downside surrounding of this ceramic member forms getting out of a predicament or an embarrassing situation of downward protrusion.
As further improvement of the utility model, be also provided with a clamping ring, the step of the downside of this clamping ring and described ceramic member is by being welded to connect, and this clamping ring is welded to connect with described metal inner casing upper port simultaneously.
As further improvement of the utility model, described clamping ring is that metal material is made.
The beneficial effects of the utility model are: this D.C. contactor hermetically-sealed construction adopts ceramic member and the sealing of metalwork welded type, not only good sealing effect, and adaptive capacity to environment is stronger, working temperature is increased to-55 ℃～+ 85 ℃ by before-40 ℃～+ 85 ℃, ceramic member upper side adopts the design of topping bar simultaneously, can disposablely complete screen-printed metal, greatly improve production efficiency, ceramic member downside adopts gets out of a predicament or an embarrassing situation and clamping ring welding, both increase insulation distance, can carry out again screen-printed metal.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation;
Fig. 2 is the utility model cross-sectional view;
Fig. 3 is ceramic member structural representation described in the utility model;
Fig. 4 is another visual angle structural representation of Fig. 3;
Fig. 5 is the utility model ceramic member and clamping ring assembly structure schematic diagram;
Fig. 6 is another visual angle structural representation of Fig. 5.
By reference to the accompanying drawings, make the following instructions:
1---plastic casing 2---metal inner casing
3---fixed contact 4---movable contact spring
5---coil 6---ceramic member
7---clamping ring 31---link
51---lead-out wires 61---are topped bar
62---get out of a predicament or an embarrassing situation
Embodiment
By reference to the accompanying drawings; the utility model is elaborated; but protection range of the present utility model is not limited to following embodiment, the simple equivalence of in every case being done with the utility model claim and description changes and modifies, within all still belonging to the utility model patent covering scope.
As Figure 1-5, a kind of D.C. contactor hermetically-sealed construction, comprise plastic casing 1 and base, this plastic casing and base seal form a cavity, a sheathed metal inner casing 2 in this cavity, in this metal inner casing, be provided with two fixed contacts 3, the reciprocating drive mechanism that movable contact spring 4 and coil 5 and moving iron core form, described base is provided with two lead-out wires 51 of coil, described reciprocating drive mechanism can drive described movable contact spring back and forth movement to disconnect with two fixed contact connected sums, also seal and be provided with a ceramic member 6 at the opening part of described metal inner casing, described two fixed contacts are fixed on this ceramic member and described ceramic member formation link 31 is stretched out respectively in the upper end of this two fixed contact, two lead-out wires 51 of described coil lead to respectively described base from described ceramic member.
Preferably, take described ceramic member near a side of described base as upper side, its relative another side is downside, on the upper side of this ceramic member, corresponding described link and lead-out wire surrounding form respectively and protruding upward top bar 61, and what the downside surrounding of this ceramic member formed downward protrusion gets out of a predicament or an embarrassing situation 62.
Preferably, be also provided with a clamping ring 7, the step of the downside of this clamping ring and described ceramic member is by being welded to connect, and this clamping ring is welded to connect with described metal inner casing upper port simultaneously.
Preferably, described clamping ring is that metal material is made.
This D.C. contactor hermetically-sealed construction adopts ceramic member, clamping ring and metal inner casing welded seal successively, not only greatly increase sealing effectiveness, and strengthen the environmental suitability of D.C. contactor, ceramic member adopts step design simultaneously, both increase the insulation distance between lead-out wire and clamping ring, realized again the technique that can adopt screen-printed metal.
Claims (4)
1. a D.C. contactor hermetically-sealed construction, comprise plastic casing (1) and base, this plastic casing and base seal form a cavity, a sheathed metal inner casing (2) in this cavity, in this metal inner casing, be provided with two fixed contacts (3), the reciprocating drive mechanism that movable contact spring (4) and coil (5) and moving iron core form, described base is provided with two lead-out wires (51) of coil, described reciprocating drive mechanism can drive described movable contact spring back and forth movement to disconnect with two fixed contact connected sums, it is characterized in that: also seal and be provided with a ceramic member (6) at the opening part of described metal inner casing, described two fixed contacts are fixed on this ceramic member and described ceramic member formation link (31) is stretched out respectively in the upper end of this two fixed contact, two lead-out wires (51) of described coil lead to respectively described base from described ceramic member.
2. D.C. contactor hermetically-sealed construction according to claim 1, it is characterized in that: take described ceramic member near a side of described base as upper side, its relative another side is downside, on the upper side of this ceramic member, corresponding described link and lead-out wire surrounding form respectively protruding upward topping bar (61), and the downside surrounding of this ceramic member forms get out of a predicament or an embarrassing situation (62) of downward protrusion.
3. D.C. contactor hermetically-sealed construction according to claim 2, it is characterized in that: be also provided with a clamping ring (7), the step of the downside of this clamping ring and described ceramic member is by being welded to connect, and this clamping ring is welded to connect with described metal inner casing upper port simultaneously.
4. D.C. contactor hermetically-sealed construction according to claim 3, is characterized in that: described clamping ring is that metal material is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420037123.8U CN203707034U (en) | 2014-01-21 | 2014-01-21 | DC contactor sealed structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420037123.8U CN203707034U (en) | 2014-01-21 | 2014-01-21 | DC contactor sealed structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203707034U true CN203707034U (en) | 2014-07-09 |
Family
ID=51057434
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420037123.8U Expired - Lifetime CN203707034U (en) | 2014-01-21 | 2014-01-21 | DC contactor sealed structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203707034U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104795278A (en) * | 2014-01-21 | 2015-07-22 | 昆山国力真空电器有限公司 | Sealing structure of DC contactor |
| CN106252160A (en) * | 2016-10-09 | 2016-12-21 | 苏州安来强电子科技有限公司 | Closed type D.C. contactor with auxiliary switch |
-
2014
- 2014-01-21 CN CN201420037123.8U patent/CN203707034U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104795278A (en) * | 2014-01-21 | 2015-07-22 | 昆山国力真空电器有限公司 | Sealing structure of DC contactor |
| CN106252160A (en) * | 2016-10-09 | 2016-12-21 | 苏州安来强电子科技有限公司 | Closed type D.C. contactor with auxiliary switch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 215301 West Lake Road, Kunshan Development Zone, Jiangsu, China, No. 28, No. Patentee after: KUNSHAN GUOLI ELECTRONIC TECHNOLOGY CO.,LTD. Address before: 215301 Kunshan, Jiangsu Development Zone, the Yangtze River Road, No. 179, No. Patentee before: KUNSHAN GUOLI VACUUM ELECTRIC Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140709 |
|
| CX01 | Expiry of patent term |