CN102426991B - Contactor with contact locking mechanism - Google Patents
Contactor with contact locking mechanism Download PDFInfo
- Publication number
- CN102426991B CN102426991B CN201110279252.9A CN201110279252A CN102426991B CN 102426991 B CN102426991 B CN 102426991B CN 201110279252 A CN201110279252 A CN 201110279252A CN 102426991 B CN102426991 B CN 102426991B
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- CN
- China
- Prior art keywords
- closing element
- pedestal
- contact
- locking mechanism
- contactor
- 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.)
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- Arc-Extinguishing Devices That Are Switches (AREA)
Abstract
The invention discloses a contactor with a contact locking mechanism. The contactor comprises a base and an arc extinguishing chamber, wherein the arc extinguishing chamber can be detached from the base; a contact support and a locking mechanism are arranged on the base; the contact support can be locked by the locking mechanism after the arc extinguishing chamber is detached; the locking mechanism comprises a locking element; the locking element is arranged in the base in a rotatable way; a stopping wall matched with the lower arm of the locking element to limit the movement of the locking element is arranged on the base; the locking element comprises an upper arm which is matched with a clamping groove on the contact support for locking; a spring which drives the locking element to rotate is connected with the side wall of the locking element; and a first boss which is matched with the arc extinguishing chamber to separate the upper arm from the contact support is arranged on the side arm of the locking element. The contactor has the advantages of simple structure, small occupied space, practicability and firmness, and is reliable in locking.
Description
Technical field
the present invention relates to a kind of contactor with contact locking mechanism.
Technical background
On existing contactor, be generally all provided with the lockable mechanism that contact is supported, after arc chamber unloads, can contact support pinned and do not moved by lockable mechanism.If the lockable mechanism of the contactor of the patent No. 01804704.1 is to adopt the lever rotating around yawing axis to be used as locking element, the mobile of this locking element needs guiding mobile, also just need yawing axis well to coordinate just and can complete movement with guide mechanism, once coordinate, go wrong, locking element just can't lock contact support, makes the reliability of locking element not high; And locking element for can not be lost to remain on bottom upper, need to separately establishing latch elements, to make locking element be installed on bottom upper, the space that takies bottom is large, and cost is high.
Summary of the invention
The lockable mechanism that the present invention will solve existing contactor exists that reliability is not high, the problem large, cost is high that takes up room, and provides that a kind of reliability is high, compact conformation, the contactor with contact locking mechanism that cost is low.
Technical scheme of the present invention:
A kind of contactor with contact locking mechanism, comprise pedestal, the arc control device that can pull down from pedestal, contact support, locking mechanism are installed on described pedestal, described contact is supported in arc control device can be by locking mechanism locking after pulling down, it is characterized in that: described locking mechanism comprises closing element, described closing element is rotatably installed in pedestal, and described pedestal is provided with the only wall with the underarm engagement limits closing element motion of described closing element; Described closing element comprises that the draw-in groove of supporting with contact coordinates the upper arm of locking, is connected with the spring that drives its rotation on the side arm of described closing element, and the side arm of described closing element is provided with to coordinate with arc control device upper arm is departed to the first boss that contact is supported.
Further, one end of described spring is connected on the first spring base on the side arm of closing element, and its other end is connected on the second spring base of pedestal.
Further, described closing element is provided with rotation boss, and described rotation boss is arranged in the swivelling chute of pedestal, and the radius of described swivelling chute is identical with the radius of rotation boss.
Further, the lower end of described closing element is provided with hook, and described hook coordinates closing element is installed on pedestal with the second boss on pedestal.
Further, described arc control device are provided with the casting die coordinating with the first boss.
Operation principle of the present invention: when arc control device are arranged on pedestal, the casting die of arc control device presses to the first boss, the side arm of closing element is moved downward, and Compress Spring, closing element moves around swivelling chute, upper arm departs from from the draw-in groove of contact support, and now contact support just can proper motion, realizes the function of adhesive disjunction.
When arc control device are when pedestal is pulled down, the effect that the side arm of closing element does not stress, under the elastic force effect of spring, closing element moves around swivelling chute, and upper arm enters in the draw-in groove that contact supports, blocks contact support.If now contact support is driven the words that move downward by electromagnet, contact support just can press to upper arm, gives power moving downward of upper arm, but the underarm of closing element contacts with the only wall on pedestal, closing element can not be rotated further, so upper arm just blocks locking by contact support.
The draw-in groove that the present invention relies on the upper arm of closing element to support with contact coordinates the support of locking contact; The motion of closing element relies on the restoring force of spring and the casting die of arc control device; Closing element is to be arranged in swivelling chute by rotation boss, and is coordinated and be installed on pedestal with the second boss on pedestal by the hook of closing element lower end, and it can not departed from from pedestal.
Beneficial effect of the present invention: simple in structure, locking is reliable, takes up room little, practical firm.
Accompanying drawing explanation
Fig. 1 is the structural representation of closing element of the present invention.
Fig. 2 is the structural representation of pedestal of the present invention.
Fig. 3 is the structure cutaway view of the present invention when arc control device are arranged on pedestal.
Fig. 4 is the structure cutaway view of the present invention when arc control device are not arranged on pedestal.
Embodiment
With reference to accompanying drawing 1-4, a kind of contactor with contact locking mechanism, comprise pedestal 7, the arc control device 14 that can pull down from pedestal 7, contact support 12, locking mechanism are installed on described pedestal 7, described contact support 12 can be by locking mechanism locking after arc control device 7 are pulled down, described locking mechanism comprises closing element 1, and described closing element 1 is rotatably installed in pedestal 7, and described pedestal 7 is provided with the only wall 10 with underarm 6 engagement limits closing elements 1 motions of described closing element 1; Described closing element 1 comprises the upper arm 2 that coordinates locking with the draw-in groove 11 in contact support 12, on the side arm of described closing element 1, be connected with the spring 13 that drives its rotation, the side arm of described closing element 1 is provided with and coordinates the first boss 3 that upper arm 2 is departed to contact support 12 with arc control device 14.
One end of described spring 13 is connected on the first spring base 4 on the side arm of closing element 1, and its other end is connected on the second spring base 8 of pedestal 7.
Described closing element 1 is provided with rotation boss 15, and described rotation boss 15 is arranged in the swivelling chute 9 of pedestal 7, and the radius of described swivelling chute 9 is identical with the radius of rotation boss 15.
The lower end of described closing element 1 is provided with and hooks 5, and described hook 5 coordinates closing element 1 is installed on pedestal 7 with the second boss 16 on pedestal 7.
Described arc control device 14 are provided with the casting die coordinating with the first boss 3.
Operation principle of the present invention: when arc control device 14 are arranged on pedestal 7, the casting die of arc control device 14 presses to the first boss 3, the side arm of closing element 1 is moved downward, and Compress Spring 13, closing element 1 is around swivelling chute 9 motions, upper arm 2 departs from from contact is supported 12 draw-in groove 11, and now contact supports that 12 just can proper motion, realizes the function of adhesive disjunction.
When arc control device 14 are when pedestal 7 is pulled down, the effect that the side arm of closing element 1 does not stress, under the elastic force effect of spring 13, closing element 1 is around swivelling chute 9 motions, and upper arm 2 enters into contact and supports, in 12 draw-in groove 11, to block contact and support 12.If now contact support 12 is driven the words that move downward by electromagnet, contact support 12 just can press to upper arm 2, give 2 one power that move downward of upper arm, but the underarm 6 of closing element 1 contacts with the only wall 10 on pedestal 7, closing element 1 can not be rotated further, so upper arm 2 just blocks locking by contact support 12.
The present invention relies on the upper arm 2 of closing element 1 to support 12 draw-in groove 11 to coordinate locking contact to support 12 with contact; The motion of closing element 1 relies on the restoring force of spring 3 and the casting die of arc control device 14; Closing element 1 is to be arranged in swivelling chute 9 by rotation boss 15, and is coordinated and be installed on pedestal 7 with the second boss 16 on pedestal 7 by the hook 5 of closing element 1 lower end, makes them can be from pedestal 7 disengagings.
Content described in this specification embodiment is only enumerating the way of realization of inventive concept; protection scope of the present invention should not be regarded as only limiting to the concrete form that embodiment states, protection scope of the present invention also and in those skilled in the art, according to the present invention, conceive the equivalent technologies means that can expect.
Claims (5)
1. the contactor with contact locking mechanism, comprise pedestal, the arc control device that can pull down from pedestal, contact support, locking mechanism are installed on described pedestal, described contact is supported in arc control device can be by locking mechanism locking after pulling down, it is characterized in that: described locking mechanism comprises closing element, described closing element is rotatably installed in pedestal, and described pedestal is provided with the only wall with the underarm engagement limits closing element motion of described closing element; Described closing element comprises that the draw-in groove of supporting with contact coordinates the upper arm of locking, is connected with the spring that drives its rotation on the side arm of described closing element, and the side arm of described closing element is provided with to coordinate with arc control device upper arm is departed to the first boss that contact is supported.
2. a kind of contactor with contact locking mechanism according to claim 1, is characterized in that: one end of described spring is connected on the first spring base on the side arm of closing element, and its other end is connected on the second spring base of pedestal.
3. a kind of contactor with contact locking mechanism according to claim 1 and 2, it is characterized in that: described closing element is provided with rotation boss, described rotation boss is arranged in the swivelling chute of pedestal, and the radius of described swivelling chute is identical with the radius of rotation boss.
4. a kind of contactor with contact locking mechanism according to claim 3, is characterized in that: the lower end of described closing element is provided with hook, and described hook coordinates closing element is installed on pedestal with the second boss on pedestal.
5. a kind of contactor with contact locking mechanism according to claim 4, is characterized in that: described arc control device are provided with the casting die coordinating with the first boss.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110279252.9A CN102426991B (en) | 2011-09-20 | 2011-09-20 | Contactor with contact locking mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110279252.9A CN102426991B (en) | 2011-09-20 | 2011-09-20 | Contactor with contact locking mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102426991A CN102426991A (en) | 2012-04-25 |
| CN102426991B true CN102426991B (en) | 2014-12-10 |
Family
ID=45960958
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110279252.9A Active CN102426991B (en) | 2011-09-20 | 2011-09-20 | Contactor with contact locking mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102426991B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109473319A (en) * | 2018-11-30 | 2019-03-15 | 德力西电气有限公司 | A kind of safety lock structure and contactor for contactor |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0515731A2 (en) * | 1991-05-29 | 1992-12-02 | Sprecher + Schuh AG | Electromagnetic switch apparatus, particularly a contactor |
| CN1136361A (en) * | 1993-12-03 | 1996-11-20 | 西门子公司 | Electromagnetic switchgear |
| CN202230955U (en) * | 2011-09-20 | 2012-05-23 | 上海诺雅克电气有限公司 | Contactor provided with contact locking mechanism |
-
2011
- 2011-09-20 CN CN201110279252.9A patent/CN102426991B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0515731A2 (en) * | 1991-05-29 | 1992-12-02 | Sprecher + Schuh AG | Electromagnetic switch apparatus, particularly a contactor |
| CN1136361A (en) * | 1993-12-03 | 1996-11-20 | 西门子公司 | Electromagnetic switchgear |
| CN202230955U (en) * | 2011-09-20 | 2012-05-23 | 上海诺雅克电气有限公司 | Contactor provided with contact locking mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102426991A (en) | 2012-04-25 |
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Legal Events
| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20120425 Assignee: ZHEJIANG CHINT ELECTRICS Co.,Ltd. Assignor: SHANGHAI NOARK ELECTRIC Co.,Ltd. Contract record no.: X2021330000593 Denomination of invention: Contactor with contact locking mechanism Granted publication date: 20141210 License type: Common License Record date: 20211025 |
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| EE01 | Entry into force of recordation of patent licensing contract |