CN205645690U - Main contacts and auxiliary contact insulated isolation structure - Google Patents
Main contacts and auxiliary contact insulated isolation structure Download PDFInfo
- Publication number
- CN205645690U CN205645690U CN201620399069.0U CN201620399069U CN205645690U CN 205645690 U CN205645690 U CN 205645690U CN 201620399069 U CN201620399069 U CN 201620399069U CN 205645690 U CN205645690 U CN 205645690U
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- Prior art keywords
- housing
- contact
- auxiliary
- cavity
- main
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Abstract
The utility model discloses a main contacts and auxiliary contact insulated isolation structure, including being used for the first casing of the supplementary static contact of installation and the second casing that is used for installing main static contact, the supplementary static contact of a plurality of install respectively on the both sides of first casing and stretch into the cavity of first casing along the horizontal direction in with first casing in the supplementary moving contact of the moving contact subassembly of packing into match, the second casing holds in the cavity of first casing, and the middle period number that the moving contact subassembly is in the second casing puts, is equipped with a plurality of opening on the second casing and installs deviating from the side of moving contact subassembly and stretching into along the horizontal direction at the second casing respectively towards the cavity of moving contact subassembly, a plurality of owner static contact initiative contact with the moving contact subassembly in the cavity cooperatees, the roof of cavity forms the isolation to main contacts and auxiliary contact. The utility model has the characteristics of simple structure, convenient assembling, dependable performance, cost of manufacture are hanged down.
Description
Technical field
This utility model relates to a kind of catalyst technical field, particularly relates to a kind of main contacts and auxiliary contact insulation isolation structure.
Background technology
Traditional electromagnetic switch contains many group main contacts and organizes auxiliary contact more, and main contacts carries out on-off control to load, auxiliary
Helping contact to be then used for the actual switch state of electromagnetic switchgear to be controlled, these two groups control loop is separate returning
Road.
In make and break process, the high-temperature electric arc that main contacts produces can carry out ablation to surrounding spatial region, can be to auxiliary contact
Function have a negative impact, such as invaded by corrosive gas produced by the pitting of contacts of main contacts can make after auxiliary contact auxiliary
Help contact to be contaminated or corrode, even occurring that main circuit electrically punctures with auxiliary circuit.Based on this reason, in electromagnetic switch
Design in just require main contacts and auxiliary contact to be isolated as efficiently as possible.
A kind of catalyst equipment of prior art is to manufacture an integrated switched room, is all contained in auxiliary contact by main contact
In this switch gear room, the tactile bridge bracket finally by six movable tactile bridges inserts integrated switched room, and this structure exists certain
Problem, the most this integrated switched room body structure is complicated, is unfavorable for the depanning of mould many caves, and six movable are touched
Bridge bracket adds number of parts and assembly difficulty, is unfavorable for batch production.The another kind of catalyst equipment of prior art, its shell
Body uses left, center, right connecting method to combine, and centre is contact supporter, and left and right is respectively two and half Room, and this two and half Room is
Asymmetric part forms.In order to reduce upper and lower two-layer contact electrical equipment breakdown probability, the centre position of two pedestal half Room, left and right respectively sets
Put a demarcation strip to realizing insulating effect, but this way has added number of parts equally, and the splicing of this left and right
Design destroy the structure that upper and lower two sheaf spaces are independently distributed mutually, be unfavorable for upper and lower two-layer part independently installed, maintenance.
Utility model content
The purpose of this utility model is to overcome the deficiency of prior art, it is provided that a kind of main contacts is dielectrically separated from knot with auxiliary contact
Structure, by the improvement to body structure, has simple in construction, feature easy to assembly, dependable performance, cost of manufacture are low.
This utility model solves its technical problem and be the technical scheme is that a kind of main contacts is dielectrically separated from knot with auxiliary contact
Structure, including for installing the first housing of auxiliary static contact and for installing the second housing of main static contact, several assist stationary contact
Head be separately mounted to the both sides of the first housing and stretch into the cavity of the first housing in the horizontal direction in the first housing in load dynamic
The auxiliary moving contact of contact assembly matches；Described second housing is contained in the cavity of the first housing, at described moving contact component
In the interlude position of the second housing, the second housing is provided with several openings chamber towards moving contact component, and several are main quiet
Contact be separately mounted to the side deviating from moving contact component of the second housing and stretch in the horizontal direction in described chamber with moving contact
The active contact of assembly matches, and the roof of described chamber forms isolation to main contacts and auxiliary contact.
Described first housing is set to big housing, and described big housing includes main part and the projection raised up, if described
With described in dry the dual-side assisting static contact to be separately mounted to projection the cavity stretching into projection in the horizontal direction
The auxiliary moving contact of moving contact component matches.
Described second housing is two small shells splitting into individual part, and two small shells are symmetrical is contained in big housing
Main part cavity in, described moving contact component is between two small shells, and described chamber is located at small shell, if described
Dry main static contact is separately mounted to the side deviating from moving contact component of small shell.
Described second housing is the overall structure that the small shell of two individual part is assembled into, and two small shells are that left and right is right
In the cavity of the main part that title is contained in big housing, described moving contact component is between two small shells, and described chamber is located at
Small shell, several main static contacts described are separately mounted to the side deviating from moving contact component of small shell.
Being additionally provided with division board between cavity and the cavity of projection of the main part of described big housing, this division board is by big shell
The roof of the cavity of the main part of body extends composition to middle direction, and overlapped with the roof of the chamber of the second housing, right
Main contacts and auxiliary contact form isolation.
Described first housing uses thermoplastic to be made, and described second housing uses thermosetting plastics to be made.
Between described first housing and the second housing above-below direction be provided with can be mutually nested concaveconvex structure.
Described concaveconvex structure is that the roof of the first housing is provided with that downwardly projecting first be protruding and the roof of the chamber of the second housing
Top is provided with the first groove of concave downward, when the second housing embeds in the first housing, described second housing first protruding with
The first corresponding fit depressions of the second housing.
Described concaveconvex structure is the roof that the roof of the first housing is provided with the chamber of the second groove and the second housing upwards caved in
Top is provided with protruding upward second protruding, when the second housing embeds in the first housing, the second groove of described first housing with
The second corresponding projection of the second housing matches.
The side-walls of described second housing is additionally provided with boss, and the sidewall of the cavity of described first housing is provided with hole clipping, when the second shell
When body embeds in the first housing, the hole clipping of described first housing matches with the boss of the correspondence position of the second housing.
Compared with prior art, the beneficial effects of the utility model are:
1, this utility model have employed the second housing body resolving into first housing and being made up of two small shells, the
The top assembling auxiliary static contact of one housing, main static contact is contained in the second housing, and two small shells become symmetrical structure to be nested in
It is nested into an entirety together with the first housing in the cavity of the first housing, is equipped with auxiliary at the second housing and the first housing
Have between the top of static contact and be dielectrically separated from wall, be dielectrically separated from wall and include the roof of chamber and the isolation of the first housing of small shell
Plate, both define common superposition area of isolation, it is possible to provide the work insulating space of a safety and stability for contact, it is ensured that
The service behaviour of product.
2, owing to becoming to be used for installing auxiliary static contact by the first housing design, it is designed for small shell main static contact is installed,
Small shell is embedded in the first housing, forms auxiliary static contact upper, main static contact under two layers of contact structure so that actively touch
Head and auxiliary moving contact can be simultaneously charged into contact support, and actively contact can after being simultaneously charged into contact support with auxiliary moving contact
Complete to install through the body with disposable, there is the simple feature of assembly process.
3, due to have employed the first housing for use thermoplastic be made, the second housing for use thermosetting plastics make
Forming, thermoplastic has the preferable feature of toughness, uses thermoplastic to make the first housing, and as the outside of product,
The body outside tiny rib can be prevented effectively from fracture failure is occurred by external force, owing to auxiliary static contact current-carrying is the least, will
Auxiliary static contact is contained on the first housing, occurs that overheated probability is the lowest, and thermosetting plastics heat resisting temperature is wanted than thermoplastic
Height, uses thermosetting plastics to make the second housing and as main static contact carrier, main static contact can be greatly reduced overheated and cause body
Shell material failure risk, this structure of the present utility model, product external intensity requirement can be met, carrying can be improved again main quiet
Contact part body material thermal resistance energy.
4, due to have employed between the first housing and the second housing above-below direction be provided with can be mutually nested concaveconvex structure, with
And be additionally provided with boss in the side-walls of the second housing, the sidewall at the cavity of the first housing is provided with hole clipping, define the first housing with
Retaining structure after second housing nesting, it is possible to effectively prevent getting loose after both nestings.
Below in conjunction with drawings and Examples, this utility model is described in further detail；But a kind of main contacts of the present utility model
It is not limited to embodiment with auxiliary contact insulation isolation structure.
Accompanying drawing explanation
Fig. 1 be big housing of the present utility model, small shell be the structural representation of decomposing state；
Fig. 2 is the structure decomposing schematic representation using catalyst of the present utility model；
Fig. 3 is the organigram of big housing of the present utility model；
Fig. 4 is the organigram of big housing of the present utility model (cavity is towards front)；
Fig. 5 is the organigram of small shell of the present utility model；
Fig. 6 is the organigram of small shell of the present utility model (rotating an angle)；
Fig. 7 is that big housing of the present utility model, small shell are nested the structural representation of state.
Detailed description of the invention
Embodiment
See shown in Fig. 1 to Fig. 7, a kind of main contacts of the present utility model and auxiliary contact insulation isolation structure, including for
Installing the first housing of auxiliary static contact and be used for installing the second housing of main static contact, the first housing is set to big housing 1, and second
Housing is two small shells 2 splitting into individual part, and described big housing 1 includes main part 11 and main part 11 upwards
Protruding projection 12, owing to projection 12 is protruding upward from main part 11, so, the width of projection 12
Degree is less than main part 11；Several auxiliary static contacts 3 are separately mounted to the dual-side of projection 12 and stretch in the horizontal direction
Match with the auxiliary moving contact 42 of the moving contact component 4 loaded in the first housing in entering the cavity 14 of projection 12；By
Being shell structure in big housing 1, therefore, main part 11 and projection 12 are also shell construction, and big housing 1 is installed
Auxiliary static contact 3 can be many groups, the present embodiment is four groups, often group have two auxiliary static contacts 3, be separately mounted to protrude
The both sides of part 12, namely both sides, be fitted with moving contact component 4, moving contact component 4 in the cavity 14 of projection 12
Including contact support 41, it is arranged on contact and supports the auxiliary moving contact 42 on 41 tops, be arranged on contact and support the master in the middle part of 41
Moving contact 43 and be arranged on contact and support the armature component 44 bottom 41, wherein, contact is supported that the auxiliary on 41 tops is dynamic and is touched
In the cavity 14 of 42 projections 12 fitting in big housing 1, owing to the present embodiment is provided with four groups of auxiliary contact, chamber
Body 14 is also partitioned into four little cavitys；The symmetrical main part 11 being contained in big housing 1 of described two small shells 2
Cavity 13 in, between two small shells 2, accommodate moving contact component 4, moving contact component 4 is equivalent to be in the second shell
The interlude position of body, small shell 2 is provided with several openings chamber 21 towards moving contact component 4, several main stationary contacts
5 sides deviating from moving contact component 4 being separately mounted to small shell 2 also stretch in described chamber 21 in the horizontal direction with dynamic
The active contact 43 of contact assembly 4 matches, and the roof 22 of described chamber 21 forms isolation to main contacts and auxiliary contact.
The movable contact of the active contact that the correspondence that includes main contacts matches and the stationary contact of main static contact, auxiliary contact include that correspondence matches
Auxiliary moving contact movable contact and auxiliary static contact stationary contact.
It is additionally provided with division board 15, this division board between cavity 13 and the cavity 14 of projection of the main part of big housing 1
15 are made up of to the extension of middle direction the roof 16 of the cavity of the main part of big housing, and the roof 22 of the chamber with small shell
Overlapped, main contacts and auxiliary contact are formed isolation.This structure of the present utility model so that actively contact 43 is with auxiliary
Power-assist contact 42 can be simultaneously charged into contact and support 41, and active contact 43 is simultaneously charged into contact with auxiliary moving contact 42 and props up
Can disposably complete to install through the body after holding 41.
Big housing 1 is for using thermoplastic to be made, and described small shell 2 is made for using thermosetting plastics.
Big between housing 1 with small shell 2 above-below direction be provided with can be mutually nested concaveconvex structure.
Concaveconvex structure is the roof of the chamber being provided with the second groove 17 and small shell upwards caved at the division board 15 of big housing
The top of 22 is provided with the second projection 23 protruding upward, when small shell 2 embeds in big housing 1, and the second of described big housing
The second projection 23 that groove 17 is corresponding with small shell matches.Certainly, concaveconvex structure can also be big housing division board and
/ or big housing main part cavity roof at be provided with that downwardly projecting first be protruding and the roof of the chamber of small shell upper
Portion is provided with the first groove of concave downward, and when small shell embeds in big housing, the first of described big housing is protruding and small shell
The first corresponding fit depressions.
The side-walls of small shell 2 is additionally provided with boss 24, and the sidewall of the cavity of the main part of big housing is provided with hole clipping 18, when little
When housing 2 embeds in big housing 1, the hole clipping 18 of described big housing matches with the boss 24 of the correspondence position of small shell formation
Holding.
The present embodiment is to use two small shells splitting into individual part to form the second housing, and the second housing can also be two
The overall structure that the small shell of individual individual part is assembled into, now, is that the second housing entirety loads the first the biggest housing of housing
In 1.
A kind of main contacts of the present utility model and auxiliary contact insulation isolation structure, have employed and the body resolves into a big housing 1
(the i.e. first housing) and two small shells 2 (the i.e. second housing), the top assembling auxiliary static contact 3 of big housing 1, main stationary contact
5 are contained in small shell 2, in two small shells 2 become symmetrical structure to be nested in the cavity of big housing 1 together with big housing
It is nested into an entirety, has between the top being equipped with auxiliary static contact of small shell 2 and big housing 1 and be dielectrically separated from wall,
Being dielectrically separated from wall and include the roof 22 of chamber and the division board 15 of big housing of small shell, both define common superposition isolation area
Territory, it is possible to provide the work insulating space of a safety and stability for contact, it is ensured that the service behaviour of product.
A kind of main contacts of the present utility model and auxiliary contact insulation isolation structure, be designed for big housing 1 installing auxiliary
Static contact 3, is designed for small shell 2 installing main static contact 5, and small shell 2 is embedded in big housing 1, forms auxiliary quiet
Contact 3 upper, main static contact 5 under two layers of contact structure so that actively contact 43 can be with auxiliary moving contact 42 simultaneously
Load contact and support 41, and actively contact and auxiliary moving contact are simultaneously charged into that can disposably to pass the body after contact is supported complete
Become to install, there is the simple feature of assembly process.
A kind of main contacts of the present utility model and auxiliary contact insulation isolation structure, big housing 1 use thermoplastic to make and
Becoming, small shell 2 uses thermosetting plastics to be made, and thermoplastic has the preferable feature of toughness, uses thermoplastic
Make big housing 1, and as the outside of product, it is possible to it is prevented effectively from the outside tiny rib of the body and is ruptured by external force
Lost efficacy, and owing to auxiliary static contact 3 current-carrying is the least, auxiliary static contact 3 was contained on big housing 1, overheated probability occurs very
Low, thermosetting plastics heat resisting temperature is higher than thermoplastic, uses thermosetting plastics to make small shell 2 and as main static contact
5 carriers, can be greatly reduced main static contact overheated and cause body material failure risk, and this structure of the present utility model can
Meet product external intensity requirement, the main static contact part body material thermal resistance energy of carrying can be improved again.
A kind of main contacts of the present utility model and auxiliary contact insulation isolation structure, have employed between big housing 1 and small shell 2
Above-below direction be provided with can be mutually nested concaveconvex structure, and be additionally provided with boss 24, at big shell in the side-walls of small shell
The sidewall of the cavity of the main part of body is provided with hole clipping 18, define big housing 1 nested with small shell 2 after retaining structure,
Getting loose after can effectively preventing both nestings.
Above-mentioned simply preferred embodiment of the present utility model, not makees any pro forma restriction to this utility model.Although this
Utility model is disclosed above with preferred embodiment, but is not limited to this utility model.Any technology being familiar with this area
Personnel, in the case of without departing from technical solutions of the utility model scope, may utilize the technology contents of the disclosure above to this practicality
New technique scheme makes many possible variations and modification, or is revised as equivalents Equivalent embodiments.Therefore, every do not take off
From the content of technical solutions of the utility model, any simply repair made for any of the above embodiments according to this utility model technical spirit
Change, equivalent variations and modification, all should fall in the range of technical solutions of the utility model are protected.
Claims (10)
1. a main contacts and auxiliary contact insulation isolation structure, it is characterised in that: include for installing auxiliary stationary contact
First housing of head and be used for installing the second housing of main static contact, several auxiliary static contacts are separately mounted to the first shell
The both sides of body and in stretching into the cavity of the first housing in the horizontal direction with the moving contact component of loading auxiliary in the first housing
Power-assist contact matches；Described second housing is contained in the cavity of the first housing, and described moving contact component is in second
The interlude position of housing, the second housing is provided with several openings chamber towards moving contact component, and several are main quiet
Contact be separately mounted to the side deviating from moving contact component of the second housing and stretch in the horizontal direction in described chamber with
The active contact of moving contact component matches, and the roof of described chamber forms isolation to main contacts and auxiliary contact.
Main contacts the most according to claim 1 and auxiliary contact insulation isolation structure, it is characterised in that: described
First housing is set to big housing, and described big housing includes main part and the projection raised up, described several
In auxiliary static contact is separately mounted to the dual-side of projection and stretches into the cavity of projection in the horizontal direction and institute
The auxiliary moving contact stating moving contact component matches.
Main contacts the most according to claim 2 and auxiliary contact insulation isolation structure, it is characterised in that: described
Second housing is two small shells splitting into individual part, two symmetrical masters being contained in big housing of small shell
In the cavity of body portion, described moving contact component is between two small shells, and described chamber is located at small shell, described
Several main static contacts are separately mounted to the side deviating from moving contact component of small shell.
Main contacts the most according to claim 2 and auxiliary contact insulation isolation structure, it is characterised in that: described
Second housing is the overall structure that the small shell of two individual part is assembled into, two symmetrical appearances of small shell
In the cavity of the main part being contained in big housing, described moving contact component is between two small shells, and described chamber sets
In small shell, several main static contacts described are separately mounted to the side deviating from moving contact component of small shell.
Main contacts the most according to claim 2 and auxiliary contact insulation isolation structure, it is characterised in that: described
Being additionally provided with division board between cavity and the cavity of projection of the main part of big housing, this division board is by big housing
The roof of the cavity of main part extends composition to middle direction, and overlapped with the roof of the chamber of the second housing,
Main contacts and auxiliary contact are formed isolation.
Main contacts the most according to claim 1 and auxiliary contact insulation isolation structure, it is characterised in that: described
First housing uses thermoplastic to be made, and described second housing uses thermosetting plastics to be made.
Main contacts the most according to claim 1 and auxiliary contact insulation isolation structure, it is characterised in that: described
Between first housing and the second housing above-below direction be provided with can be mutually nested concaveconvex structure.
Main contacts the most according to claim 7 and auxiliary contact insulation isolation structure, it is characterised in that: described
Concaveconvex structure is that the roof of the first housing is provided with that downwardly projecting first be protruding and the roof of the chamber of the second housing upper
Portion is provided with the first groove of concave downward, and when the second housing embeds in the first housing, the first of described second housing is convex
Play first fit depressions corresponding with the second housing.
Main contacts the most according to claim 7 and auxiliary contact insulation isolation structure, it is characterised in that: described
Concaveconvex structure is that the roof of the first housing is provided with the upper of the roof of the chamber of the second groove and the second housing upwards caved in
It is protruding that portion is provided with protruding upward second, and when the second housing embeds in the first housing, the second of described first housing is recessed
The second corresponding projection of groove and the second housing matches.
Main contacts the most according to claim 1 and auxiliary contact insulation isolation structure, it is characterised in that: described
The side-walls of the second housing is additionally provided with boss, and the sidewall of the cavity of described first housing is provided with hole clipping, when the second housing is embedding
When entering in the first housing, the hole clipping of described first housing matches with the boss of the correspondence position of the second housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620399069.0U CN205645690U (en) | 2016-05-05 | 2016-05-05 | Main contacts and auxiliary contact insulated isolation structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620399069.0U CN205645690U (en) | 2016-05-05 | 2016-05-05 | Main contacts and auxiliary contact insulated isolation structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205645690U true CN205645690U (en) | 2016-10-12 |
Family
ID=57049472
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620399069.0U Withdrawn - After Issue CN205645690U (en) | 2016-05-05 | 2016-05-05 | Main contacts and auxiliary contact insulated isolation structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205645690U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105977101A (en) * | 2016-05-05 | 2016-09-28 | 厦门宏发开关设备有限公司 | Main contact and auxiliary contact insulation and isolation structure |
-
2016
- 2016-05-05 CN CN201620399069.0U patent/CN205645690U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105977101A (en) * | 2016-05-05 | 2016-09-28 | 厦门宏发开关设备有限公司 | Main contact and auxiliary contact insulation and isolation structure |
| CN105977101B (en) * | 2016-05-05 | 2019-01-18 | 厦门宏发开关设备有限公司 | A kind of main contacts and auxiliary contact insulation isolation structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20161012 Effective date of abandoning: 20190118 |