CN205428720U - Double break point moving contact - Google Patents
Double break point moving contact Download PDFInfo
- Publication number
- CN205428720U CN205428720U CN201521028256.XU CN201521028256U CN205428720U CN 205428720 U CN205428720 U CN 205428720U CN 201521028256 U CN201521028256 U CN 201521028256U CN 205428720 U CN205428720 U CN 205428720U
- Authority
- CN
- China
- Prior art keywords
- contact
- moving contact
- axle
- limited part
- moving
- 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 - Fee Related
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- Arc-Extinguishing Devices That Are Switches (AREA)
Abstract
The utility model provides a double break point moving contact, including moving contact restriction piece, first moving contact axle, first moving contact spring, second moving contact spring, first restriction piece axle, second restriction axle and moving contact contact blade, wherein, moving contact restriction piece and moving contact shell constitute moving contact installation space, a first restriction axle sets up on a moving contact restriction inboard up end, and a second restriction axle sets up on a moving contact restriction inboard lower terminal surface, first moving contact spring housing is established at first restriction piece epaxially, and a moving contact restriction inboard up end, side on the other end connection moving contact contact blade are connected to first moving contact spring one end. The utility model discloses a rotation type double break dot structure, moving contact contact blade adopt the multi -disc formula and take the pattern of major -minor contact, and the double break dot structure can effectively improve the short circuit making and the breaking capacity of product, and the structure of contact terminal of multi -disc formula can improve switch -on in short -term with endurance in short -term and can reduce the damage of electric arc to main contact.
Description
Technical field
This utility model relates to permutator, in particular it relates to a kind of double breaking points trigger device.
Background technology
Existing automatic conversion has following several main flow compound mode: motor operation mechanism adds two breaker body contact systems, motor operation mechanism adds two switch touching head systems, motor operation mechanism adds integral type body contacts system, and electromagnetic operating mechanism adds integral type body contacts system；Additionally also having older mechanical chain to add the permutator of two catalyst patterns, this pattern is eliminated the most gradually.
Above permutator has respective defect, it is specially, motor operation mechanism is due to the restriction of motor, and the conversion time is longer, the biggest on the main body system volume being made up of two choppers or disconnecting switch, electromagnetic operating mechanism adds the form of integral type body contacts, although switching time is short, but contact part restriction based on soft strength form, it tolerates limited with making capacity and current capacity in short-term, in the future development of permutator, this structural behaviour is difficult to increase again.The contact system of double breaking points has become the development trend that low-voltage electrical apparatus is following.
The contact form of the contact system of double breaking points now mainly occurs with breaker of plastic casing contact form, i.e. clapper-type and isolation switch contact form, and its short circuit making of both above pattern and in short-term tolerance have certain limitation.
Utility model content
For defect of the prior art, the purpose of this utility model is to provide a kind of double breaking points trigger device.
The double breaking points trigger device provided according to this utility model, including moving contact limited part, the first moving contact axle, the first moving contact spring, the second moving contact spring, the first limited part axle, the second limited part axle and moving contact contact blade；
Wherein, described moving contact limited part and moving contact shell constitute moving contact installing space；Described first limited part axle is arranged on the upper surface inside described moving contact limited part, and described second limited part axle is arranged on the lower surface inside described moving contact limited part；
Described first moving contact spring is set on described first limited part axle, and described first moving contact spring one end connects the upper surface inside described moving contact limited part, and the other end connects described moving contact contact blade upper side；Described second moving contact spring is set on described second limited part axle, and described second moving contact spring one end connects the lower surface inside described moving contact limited part, and the other end connects described moving contact contact blade downside；
Described moving contact contact blade is arranged on described first moving contact axle and can drive described first moving contact axle to rotate；Described first limited part axle and described second limited part axle are arranged on the both sides of described first moving contact axle.
Preferably, the quantity of described first moving contact spring, described second moving contact spring, described first limited part axle, described second limited part axle and described moving contact contact blade is multiple；
Multiple described moving contact contact blades are fitted successively；
Described first moving contact spring, described second moving contact spring, described first limited part axle, described second limited part axle and the quantity one_to_one corresponding of described moving contact contact blade；
It is connected between moving contact contact blade and is provided with moving contact packing ring.
Preferably, the second moving contact axle is also included；Wherein, the quantity of described second moving contact axle is two；
The both ends of described moving contact contact blade are provided with moving contact axle installing hole；Described second moving contact axle is arranged in described moving contact axle installing hole；
The diameter of described moving contact axle installing hole is more than the diameter of described second moving contact axle.
Preferably, described moving contact limited part takes the shape of the letter U.
Preferably, described moving contact contact blade includes moving contact secondary contact sheet, the first moving contact main contact sheet and the second moving contact main contact sheet；
Wherein, described first moving contact main contact sheet, described moving contact secondary contact sheet and described second moving contact main contact sheet are fitted successively；The length of described moving contact secondary contact sheet is more than described first moving contact main contact sheet and the length of the second moving contact main contact sheet；
One end upper side of described moving contact secondary contact sheet, described first moving contact main contact sheet and described second moving contact main contact sheet is provided with the first raised platforms, and other end downside is provided with the second raised platforms.
Preferably, also include that static contact head device, described static contact head device include static contact, the first arc-chute and static contact arc-extinguish chamber；
Wherein, a static contact arc-extinguish chamber, another static contact arc-extinguish chamber are separately positioned on the opposite face of adjacent two insulation barrier；
The one side of described first arc-chute fits with a described static contact arc-extinguish chamber, and the another side of described first arc-chute fits with another static contact arc-extinguish chamber described；
Described static contact is arranged on the downside of described first arc-chute；
When described moving contact contact blade rotates, described second raised platforms is connected with described static contact or disconnects.
Preferably, also include that common port static contact head device, described common port static contact head device include common port static contact, static contact shell, arc extinguishing cover cap, the 3rd arc-chute and the second arc-chute；
Wherein, described static contact shell and described arc extinguishing cover cap constitute installing space；Described 3rd arc-chute and the second arc-chute is opposing is arranged in described installing space；Described common port static contact is arranged in described installing space；
Wherein, one end of described common port static contact is corresponding with the 3rd arc-chute, and the other end is corresponding with described second arc-chute；
When described moving contact contact blade rotates, described first raised platforms is connected with one end of described common port static contact or disconnects.
Preferably, described static contact shell is provided with the first fin and the second fin；Heat dissipation channel is formed between described first fin and described second fin；
Described common port static contact includes electrode mount and the contact radiating piece being connected；Described contact radiating piece is arranged in described heat dissipation channel；Described electrode mount is arranged between described first fin, described second fin and the sidewall of described static contact shell.
Preferably, described first fin and the leading flank of described second fin, trailing flank, upper side are provided with heat radiation groove；
The trailing flank of described first fin is relative with the trailing flank of described second fin；Described electrode mount is arranged between the upper side of described first fin, the upper side of described second fin and the sidewall of described static contact shell.
Compared with prior art, this utility model has a following beneficial effect:
1, this utility model uses rotary type double-breakpoint structure, moving contact contact blade uses multiple-piece and the pattern of band major-minor contact, double-breakpoint structure can be effectively improved short circuit making and the breaking capacity of product, and the structure of contact terminal of multiple-piece can improve to be connected and tolerance in short-term in short-term；
2, this utility model is provided with moving contact main contact sheet and moving contact secondary contact sheet, the electric arc of generation is extinguished by the mode of moving contact secondary contact sheet make-before-break, moving contact main contact sheet occurs connecting and the electric arc of disjunction hardly, reduces the loss of main contact, accelerates arc extinction；
3, this utility model is provided with two the second moving contact axles, it is ensured that the end pressure of moving contact contact blade and the excess of stroke；
4, rotary motion of the present utility model is realized by the rotary motion of the drive link in two other circular hole on moving contact shell, can be regulated the rotating distance of this device by the rotating distance of regulation the two drive link.
Accompanying drawing explanation
The detailed description with reference to the following drawings, non-limiting example made by reading, other features, objects and advantages of the present utility model will become more apparent upon:
Fig. 1, Fig. 2, Fig. 3, Fig. 4 illustrate structural representation of the present utility model jointly；
Fig. 5 is the structural representation in a direction internal in this utility model；
Fig. 6 is the structural representation in another direction internal in this utility model；
Fig. 7 is the combination schematic diagram of multiple contact apparatus in this utility model.
In figure:
1 is moving contact limited part；
2 is the first moving contact axle；
3 is the second moving contact axle；
4 is the second moving contact spring；
5 is the second limited part axle；
6 is the second moving contact axle；
7 is moving contact secondary contact sheet；
8 is moving contact main contact sheet；
9 is the first moving contact spring；
10 is the first limited part axle；
11 is moving contact shell；
12 is moving contact packing ring.
Detailed description of the invention
Below in conjunction with specific embodiment, this utility model is described in detail.Following example will assist in those skilled in the art and are further appreciated by this utility model, but limit this utility model the most in any form.It should be pointed out that, to those skilled in the art, without departing from the concept of the premise utility, it is also possible to make some deformation and improvement.These broadly fall into protection domain of the present utility model.
In the present embodiment, the double breaking points trigger device that this utility model provides, including moving contact limited part the 1, first moving contact axle the 2, first moving contact spring the 9, second moving contact spring the 4, first limited part axle the 10, second limited part axle 5 and moving contact contact blade；
Wherein, described moving contact limited part 1 and moving contact shell 11 constitute moving contact installing space；Described first limited part axle 10 is arranged on the upper surface inside described moving contact limited part 1, and described second limited part axle 5 is arranged on the lower surface inside described moving contact limited part 1；
Described first moving contact spring set 9 is located on described first limited part axle 10, and described first moving contact spring 9 one end connects the upper surface inside described moving contact limited part 1, and the other end connects described moving contact contact blade upper side；Described second moving contact spring 4 is set on described second limited part axle 5, and described second moving contact spring 4 one end connects the lower surface inside described moving contact limited part 1, and the other end connects described moving contact contact blade downside；
Described moving contact contact blade is arranged on described first moving contact axle 2 and can drive described first moving contact axle 2 to rotate；Described first limited part axle 10 and described second limited part axle 5 are arranged on the both sides of described first moving contact axle 2.
The quantity of described first moving contact spring 9, described second moving contact spring 4, described first limited part axle 10, described second limited part axle 5 and described moving contact contact blade is multiple；
Multiple described moving contact contact blades are fitted successively；
Described first moving contact spring 9, described second moving contact spring 4, described first limited part axle 10, described second limited part axle 5 and the quantity one_to_one corresponding of described moving contact contact blade；
It is connected between moving contact contact blade and is provided with moving contact packing ring 12.
The double breaking points trigger device that this utility model provides, also includes the second moving contact axle 3；Wherein, the quantity of described second moving contact axle is two；The both ends of described moving contact contact blade are provided with moving contact axle installing hole；Described second moving contact axle is arranged in described moving contact axle installing hole；The diameter of described moving contact axle installing hole is more than the diameter of described second moving contact axle.Described moving contact limited part 1 takes the shape of the letter U.
Described moving contact contact blade includes moving contact secondary contact sheet the 7, first moving contact main contact sheet and the second moving contact main contact sheet；Wherein, described first moving contact main contact sheet, described moving contact secondary contact sheet 7 and described second moving contact main contact sheet are fitted successively；The length of described moving contact secondary contact sheet 7 is more than described first moving contact main contact sheet and the length of the second moving contact main contact sheet；
One end upper side of described moving contact secondary contact sheet 7, described first moving contact main contact sheet and described second moving contact main contact sheet is provided with the first raised platforms, and other end downside is provided with the second raised platforms.
The double breaking points trigger device that this utility model provides, also includes that static contact head device, described static contact head device include static contact, the first arc-chute and static contact arc-extinguish chamber；Wherein, a static contact arc-extinguish chamber, another static contact arc-extinguish chamber are separately positioned on the opposite face of adjacent two insulation barrier；The one side of described first arc-chute fits with a described static contact arc-extinguish chamber, and the another side of described first arc-chute fits with another static contact arc-extinguish chamber described；Described static contact is arranged on the downside of described first arc-chute；
When described moving contact contact blade rotates, described second raised platforms is connected with described static contact or disconnects.
Also include that common port static contact head device, described common port static contact head device include common port static contact, static contact shell, arc extinguishing cover cap, the 3rd arc-chute and the second arc-chute；Wherein, described static contact shell and described arc extinguishing cover cap constitute installing space；Described 3rd arc-chute and the second arc-chute is opposing is arranged in described installing space；Described common port static contact is arranged in described installing space；Wherein, one end of described common port static contact is corresponding with the 3rd arc-chute, and the other end is corresponding with described second arc-chute；
When described moving contact contact blade rotates, described first raised platforms is connected with one end of described common port static contact or disconnects.
The first fin and the second fin it is provided with on described static contact shell；Heat dissipation channel is formed between described first fin and described second fin；Described common port static contact includes electrode mount and the contact radiating piece being connected；Described contact radiating piece is arranged in described heat dissipation channel；Described electrode mount is arranged between described first fin, described second fin and the sidewall of described static contact shell.
Described first fin and the leading flank of described second fin, trailing flank, upper side are provided with heat radiation groove；The trailing flank of described first fin is relative with the trailing flank of described second fin；Described electrode mount is arranged between the upper side of described first fin, the upper side of described second fin and the sidewall of described static contact shell.
In this utility model, the principle of double breaking points trigger device is: the first limited part axle 10 and the second limited part axle 5 are riveted on moving contact limited part 1 by riveting method, is respectively intended to limit the first moving contact spring 9 and lateral displacement of the second moving contact spring 4；It is internal that moving contact limited part 1 is sleeved on moving contact shell 11, it is ensured that the intensity of moving contact shell 11 and mechanical life；First moving contact axle 2 loads in the molectron of moving contact limited part 1 and moving contact shell 11, moving contact main contact sheet 8, moving contact secondary contact sheet 7, moving contact main contact sheet 8 are pressed shown position successively and are loaded moving contact limited part, being encased inside moving contact packing ring 12 between adjacent moving contact contact blade, the first moving contact axle 2 ensures that the motion mode of dynamic moving contact contact blade is rotary motion；It is sequentially loaded into two the second moving contact axles, it is ensured that the anglec of rotation of the rotary motion of moving contact contact blade and stroke；Moving contact spring is sleeved on limited part axle, it is ensured that the end pressure of moving contact and the combined floodgate excess of stroke.Then jump ring on the two ends card of each moving contact axle, it is ensured that moving contact axle will not occur sliding and loosening phenomenon.
This utility model can control the current specification of chopper by the quantity of limited part axle in change moving contact limited part 1 and the thickness of moving contact contact blade and sheet number, it is possible to use 3,5 etc. more multi-form reach design requirement；It addition, the end pressure of contact can be designed by the parameter of the position of limited part axle and moving contact spring, more end pressure demand can be met；During the deficiency of position, design space, can be by limited part axle by replacing in forms such as moving contact limited part 1 convex platform and moving contact sheet grooves, to limit the lateral displacement of moving contact spring；The position of moving contact spring can be changed, be suitable for contact end pressure and the excess of stroke of product with regulation.
Above specific embodiment of the utility model is described.It is to be appreciated that this utility model is not limited to above-mentioned particular implementation, those skilled in the art can make various deformation or amendment within the scope of the claims, and this has no effect on flesh and blood of the present utility model.
Claims (9)
1. a double breaking points trigger device, it is characterised in that include moving contact limited part, the first moving contact axle, the first moving contact spring, the second moving contact spring, the first limited part axle, the second limited part axle and moving contact contact blade；
Wherein, described moving contact limited part and moving contact shell constitute moving contact installing space；Described first limited part axle is arranged on the upper surface inside described moving contact limited part, and described second limited part axle is arranged on the lower surface inside described moving contact limited part；
Described first moving contact spring is set on described first limited part axle, and described first moving contact spring one end connects the upper surface inside described moving contact limited part, and the other end connects described moving contact contact blade upper side；Described second moving contact spring is set on described second limited part axle, and described second moving contact spring one end connects the lower surface inside described moving contact limited part, and the other end connects described moving contact contact blade downside；
Described moving contact contact blade is arranged on described first moving contact axle and can drive described first moving contact axle to rotate；Described first limited part axle and described second limited part axle are arranged on the both sides of described first moving contact axle.
Double breaking points trigger device the most according to claim 1, it is characterised in that the quantity of described first moving contact spring, described second moving contact spring, described first limited part axle, described second limited part axle and described moving contact contact blade is multiple；
Multiple described moving contact contact blades are fitted successively；
Described first moving contact spring, described second moving contact spring, described first limited part axle, described second limited part axle and the quantity one_to_one corresponding of described moving contact contact blade；
It is connected between moving contact contact blade and is provided with moving contact packing ring.
Double breaking points trigger device the most according to claim 1, it is characterised in that also include the second moving contact axle；Wherein, the quantity of described second moving contact axle is two；
The both ends of described moving contact contact blade are provided with moving contact axle installing hole；Described second moving contact axle is arranged in described moving contact axle installing hole；
The diameter of described moving contact axle installing hole is more than the diameter of described second moving contact axle.
Double breaking points trigger device the most according to claim 1, it is characterised in that described moving contact limited part takes the shape of the letter U.
Double breaking points trigger device the most according to claim 1, it is characterised in that described moving contact contact blade includes moving contact secondary contact sheet, the first moving contact main contact sheet and the second moving contact main contact sheet；
Wherein, described first moving contact main contact sheet, described moving contact secondary contact sheet and described second moving contact main contact sheet are fitted successively；The length of described moving contact secondary contact sheet is more than described first moving contact main contact sheet and the length of the second moving contact main contact sheet；
One end upper side of described moving contact secondary contact sheet, described first moving contact main contact sheet and described second moving contact main contact sheet is provided with the first raised platforms, and other end downside is provided with the second raised platforms.
Double breaking points trigger device the most according to claim 5, it is characterised in that also include that static contact head device, described static contact head device include static contact, the first arc-chute and static contact arc-extinguish chamber；
Wherein, a static contact arc-extinguish chamber, another static contact arc-extinguish chamber are separately positioned on the opposite face of adjacent two insulation barrier；
The one side of described first arc-chute fits with a described static contact arc-extinguish chamber, and the another side of described first arc-chute fits with another static contact arc-extinguish chamber described；
Described static contact is arranged on the downside of described first arc-chute；
When described moving contact contact blade rotates, described second raised platforms is connected with described static contact or disconnects.
Double breaking points trigger device the most according to claim 5, it is characterised in that also include that common port static contact head device, described common port static contact head device include common port static contact, static contact shell, arc extinguishing cover cap, the 3rd arc-chute and the second arc-chute；
Wherein, described static contact shell and described arc extinguishing cover cap constitute installing space；Described 3rd arc-chute and the second arc-chute is opposing is arranged in described installing space；Described common port static contact is arranged in described installing space；
Wherein, one end of described common port static contact is corresponding with the 3rd arc-chute, and the other end is corresponding with described second arc-chute；
When described moving contact contact blade rotates, described first raised platforms is connected with one end of described common port static contact or disconnects.
Double breaking points trigger device the most according to claim 7, it is characterised in that be provided with the first fin and the second fin on described static contact shell；Heat dissipation channel is formed between described first fin and described second fin；
Described common port static contact includes electrode mount and the contact radiating piece being connected；Described contact radiating piece is arranged in described heat dissipation channel；Described electrode mount is arranged between described first fin, described second fin and the sidewall of described static contact shell.
Double breaking points trigger device the most according to claim 8, it is characterised in that described first fin and the leading flank of described second fin, trailing flank, upper side are provided with heat radiation groove；
The trailing flank of described first fin is relative with the trailing flank of described second fin；Described electrode mount is arranged between the upper side of described first fin, the upper side of described second fin and the sidewall of described static contact shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521028256.XU CN205428720U (en) | 2015-12-10 | 2015-12-10 | Double break point moving contact |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521028256.XU CN205428720U (en) | 2015-12-10 | 2015-12-10 | Double break point moving contact |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205428720U true CN205428720U (en) | 2016-08-03 |
Family
ID=56515658
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521028256.XU Expired - Fee Related CN205428720U (en) | 2015-12-10 | 2015-12-10 | Double break point moving contact |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205428720U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105428098A (en) * | 2015-12-10 | 2016-03-23 | 二一三电器(上海)有限公司 | Double-breakpoint moving contact apparatus |
| CN108766805A (en) * | 2018-05-31 | 2018-11-06 | 深圳市泰永电气科技有限公司 | The double breaking points moving contact component and contact apparatus of automatic transfer switching electric appliance |
| CN111769016A (en) * | 2020-06-06 | 2020-10-13 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） | Multi-contact-finger moving contact and contact system of molded case circuit breaker |
-
2015
- 2015-12-10 CN CN201521028256.XU patent/CN205428720U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105428098A (en) * | 2015-12-10 | 2016-03-23 | 二一三电器(上海)有限公司 | Double-breakpoint moving contact apparatus |
| CN108766805A (en) * | 2018-05-31 | 2018-11-06 | 深圳市泰永电气科技有限公司 | The double breaking points moving contact component and contact apparatus of automatic transfer switching electric appliance |
| CN108766805B (en) * | 2018-05-31 | 2020-04-28 | 深圳市泰永电气科技有限公司 | Double-breakpoint movable contact assembly and contact device of automatic transfer switching device |
| CN111769016A (en) * | 2020-06-06 | 2020-10-13 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） | Multi-contact-finger moving contact and contact system of molded case circuit breaker |
| CN111769016B (en) * | 2020-06-06 | 2022-07-05 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） | Multi-contact finger moving contact and contact system of molded case circuit breaker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160803 Termination date: 20211210 |
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| CF01 | Termination of patent right due to non-payment of annual fee |