CN102064053B - Circuit breaker plug-in connecting terminal - Google Patents
Circuit breaker plug-in connecting terminal Download PDFInfo
- Publication number
- CN102064053B CN102064053B CN 201110022552 CN201110022552A CN102064053B CN 102064053 B CN102064053 B CN 102064053B CN 201110022552 CN201110022552 CN 201110022552 CN 201110022552 A CN201110022552 A CN 201110022552A CN 102064053 B CN102064053 B CN 102064053B
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- terminal
- contiguous block
- lock
- lock dog
- support body
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Abstract
The invention relates to a component of a universal circuit breaker, in particular to a circuit breaker plug-in connecting terminal. The circuit breaker plug-in connecting terminal comprises a frame body, a terminal connecting block and a terminal body, wherein the frame body is of a framework structure with openings on both ends, and the inner wall of the framework is provided with a guide rail;the terminal connecting block can move in the frame body along the guide rail; groups of electrical connecting components are installed in the terminal body and the terminal connecting block which are matched in mutual plug-in manner, the electrical connecting components in the terminal body and the terminal connecting block are communicated when the terminal body is plugged in the terminal connecting block, and the terminal connecting block selectively connects or disconnects a main circuit as the terminal body pushes the terminal connecting block to plug in or draw out of the frame body; and a push-and-pull force transmission device for maintaining the synchronous movement of the terminal connecting block and the terminal body is also arranged on the terminal connecting block and the terminal body. Because the push-and-pull force transmission device is added, the plug-in and the pull-out of the terminal connecting block has an independent point of strength, and the stable contact between the terminal connecting block and the terminal body is ensured.
Description
Technical field
The present invention relates to the component parts of universal circuit breaker, be specifically related to a kind of circuit breaker plug-in connecting terminal.
Background technology
Circuit breaker is used for connecting internal circuit and the external circuit in the certain limit, and its effect is equivalent to master switch.The binding post of circuit breaker can be divided into wiring and plug-in connecting terminal behind wiring before the plate, the plate according to connected mode, adopt the circuit breaker of plug-in connecting terminal, omit the interior necessary isolator of binding post of original general circuit breaker, increased security reliability to operation and maintenance when having improved the economy of using.
Plug-in connecting terminal mainly comprises terminal bodies, terminal contiguous block and support body three parts, terminal bodies connects external circuit, terminal contiguous block inside arranges transition circuit, behind the terminal bodies inserted terminals contiguous block, external circuit is communicated with transition circuit, and then under the promotion of terminal bodies, the terminal contiguous block moves along default guide rail in support body, until transition circuit and internal circuit are communicated with, external circuit and internal circuit have just been connected this moment.But in the time will disconnecting interior external circuit, need to be pulled outwardly terminal bodies and drive terminal contiguous block disengaging internal circuit, in the process of outside the terminal contiguous block, moving, and there is larger frictional force between the support body, terminal bodies occurs easily this moment to be connected with the terminal contiguous block and to connect situation unstable even that break away from the drawing process, so that the terminal bodies secondary inserts connecting terminals when connecing piece, must manually the terminal contiguous block be moved to the port of support body, practical and inconvenient, and can cause external circuit and transition circuit loose contact even disconnection.
Therefore, how to keep the terminal contiguous block to be pulled through in the journey outward and become a technical barrier with the terminal bodies stable connection.
Summary of the invention
The invention provides a kind of circuit breaker plug-in connecting terminal, terminal bodies is connected with the terminal contiguous block keeps in the push-and-pull process stable electrical to connect.In order to realize the foregoing invention purpose, the present invention has adopted following technological means:
A kind of circuit breaker plug-in connecting terminal comprises support body, terminal contiguous block and terminal bodies; Described support body is the tower structure of both ends open, and frame inner wall is provided with guide rail; Described terminal contiguous block can move along guide rail in support body; Terminal bodies and the terminal contiguous block inside of grafting cooperation all are equipped with electric connecting part in groups mutually, when terminal bodies is plugged on the terminal contiguous block, the two inner electric connecting part also is communicated with simultaneously, along with terminal bodies promote-side sub-connection piece injects or the extraction support body, the terminal contiguous block optionally is switched on or switched off main circuit; Also be provided with on described terminal contiguous block and the terminal bodies and keep the two synchronization-moving push-and-pull load transfer device.Described push-and-pull load transfer device comprises that lever rotates the lock dog that is arranged on the terminal contiguous block and the pull bar that is fixedly installed on the terminal bodies; Described lock dog is oppositely arranged in twos, and an end of lock dog is provided with circular-arc projection, is provided with spring between the other end and the terminal contiguous block, so that two projections are drawn close mutually extruding; Described pull bar is provided with the groove that matches with the convex shape of lock dog; Along with terminal bodies inserted terminals contiguous block, pull bar also inserts between two lock dogs synchronously, and when described terminal bodies grafting was engaged on the terminal contiguous block, the projection on the lock dog was just blocked the groove of pull bar;
Described lock dog is arranged in the lock dog groove, and the lock dog groove has notch, and the projection of described lock dog is stretched out from notch, and described spring fitting is between lock dog and lock dog groove;
This push-and-pull load transfer device has two, the symmetrical two ends that are arranged on the terminal contiguous block;
Described pull bar inserts between the lock dog along the direction of guide rail;
Also be provided with the locking-opening device of terminal contiguous block on described support body, terminal contiguous block and the terminal bodies; Described locking-opening device comprises that lever rotates the limiting lock be arranged on the support body, is fixedly installed on guide vane end stop on the terminal contiguous block, is fixedly installed on the limit angle pin on the support body and is arranged at key bar on the terminal bodies; Lever one end of described limiting lock is withstanding under the effect of wind spring on the pin of limit angle counterclockwise, and the lever other end withstands guide vane end stop under the effect of limit angle pin; Along with described key masthead turns or leaves limiting lock, limiting lock can turn clockwise to break away from guide vane end stop or be rotated counterclockwise to reset and withstand guide vane end stop, thereby opens or the lock terminal contiguous block;
Described key bar and pull bar are wholely set, and along with terminal bodies injects or extract out the terminal contiguous block, pull bar can push up first before being blocked by lock dog and turn limiting lock opening end sub-connection piece, perhaps can leave limiting lock lock terminal contiguous block;
The port of described support body is provided with the card frame, and the termination of described terminal contiguous block is provided with fixture block; Described card frame withstands fixture block to stop the terminal contiguous block to detach support body.
Beneficial effect of the present invention is: owing to added the push-and-pull load transfer device, the terminal contiguous block injects to extract out independent impetus, has guaranteed the contact stabilization of terminal contiguous block and terminal bodies; Set up locking-opening device, after terminal bodies detached the terminal contiguous block, the terminal contiguous block was locked in the port of support body, was beneficial to secondary and inserted; Key bar and pull bar are wholely set, so that also opened the terminal contiguous block when terminal bodies inserted terminals contiguous block, use more convenient; The support body port is established the card frame, and fixture block is established in terminal contiguous block termination, has prevented that the terminal contiguous block from detaching support body.
Description of drawings
Fig. 1 is the perspective view of a kind of circuit breaker plug-in connecting terminal of the present invention;
Fig. 2 is the partial enlarged drawing of A part among Fig. 1;
Fig. 3 is the end view of Fig. 1;
Fig. 4 is the partial enlarged drawing of B part among Fig. 3.
Embodiment
Below in conjunction with accompanying drawing, the preferred implementation of a kind of circuit breaker plug-in connecting terminal of the present invention is made detailed description:
As shown in figures 1 and 3, this circuit breaker plug-in connecting terminal, main body comprises support body 1, terminal contiguous block 2 and terminal bodies 3 three parts, support body 1 is the frame structure of a both ends open, be provided with rectangular enclosure in the framework, the pair of inner wall of cavity is provided with closed slide 11, and terminal contiguous block 2 can be mobile in the cavity of support body 1 along guide rail 11; Terminal contiguous block 2 is the rectangular shape that the cavity with support body 1 adapts substantially, its two ends are positioned at guide rail 11, inside is provided with two a rows electric connecting part, form transition circuit, the upper and lower end face all has two row's square openings, fix the termination of an electric connecting part in each hole, the internal circuit that makes things convenient for connecting terminals to connect piece 2 and the connection of terminal bodies 1 are set like this; The inside of terminal bodies 3 also is provided with electric connecting part, be communicated with external circuit, also be provided with the plug corresponding with the square opening of terminal contiguous block 2 on the terminal bodies 3, the exposed termination of fixing an electric connecting part on each plug, when injecting plug in the square opening like this, the electric connecting part connection that contacts.
Such as Fig. 2 and shown in Figure 4, terminal contiguous block 2 is arranged on the both ends of the surface of guide rail and corresponding position with it on the terminal bodies 3, be symmetrically arranged with two push-and-pull load transfer devices, this push-and-pull load transfer device comprises lock dog 24 and pull bar 31,24 two pair of opposing of lock dog, be arranged on the terminal contiguous block 2 with the lever rotation by rotating shaft, lock dog 24 is positioned at lock dog groove 23, symmetry has two notches 26 on the opposite face of two lock dog grooves 23, lever one end of lock dog 24 is provided with circular-arc projection, this projection can be stretched out outside the notch 26, between the lever other end of lock dog 24 and lock dog groove 23 inwalls, spring 21 is installed, and under its effect, two circular-arc projections are mutually near extruding; Be fixedly installed on pull bar 31 on the terminal bodies 3 towards the crack of two lock dogs 24, its direction of insertion is identical with guide rail 11, be provided with the groove that matches with the circular-arc convex shape of lock dog 24 on the pull bar 31, along with terminal bodies 3 inserted terminals contiguous blocks 2, pull bar 31 also inserts between two lock dogs 24 synchronously, when terminal bodies 3 grafting were engaged on the terminal contiguous block 2, the end bosses of lock dog 24 was just blocked the groove of pull bar 31.
Such as Fig. 2 and shown in Figure 4, also be provided with the locking-opening device of terminal contiguous block 2 on support body 1, terminal contiguous block 2 and the terminal bodies 3, whole locking-opening device and push-and-pull load transfer device are not overlapping, mutually stop preventing, this locking-opening device comprises that lever rotates the limiting lock 12 be arranged on the support body 1, is fixedly installed on guide vane end stop 22 on the lock dog groove 23, is fixedly installed on limit angle pin 14 and key bar on the support body 1, and key bar and pull bar 31 are wholely set in the present embodiment; Be fixedly installed resetting shaft 13 on the inwall of support body 1, limiting lock 12 rotates and is arranged on the resetting shaft 13, on the resetting shaft 13 wind spring is installed, with so that limiting lock 12 resets rotation to the position of limitting angle pin 14, lever one end of limiting lock 12 is withstanding under the effect of wind spring on the limit angle pin 14 counterclockwise, the lever other end withstands guide vane end stop 22 under the effect of limit angle pin 14, this just pins terminal contiguous block 2 and prevents that it from sliding into along guide rail 11; Along with pull bar 31 tops turn limiting lock 12, limiting lock 12 can turn clockwise and break away from guide vane end stop 22, thus opening end sub-connection piece 2; Along with pull bar 31 leaves limiting lock 12, limiting lock 12 resets counterclockwise to rotate and withstands guide vane end stop 22, thereby automatically locks terminal contiguous block 2.
Be provided with card frame 15 in the port of support body 1, the termination of terminal contiguous block 2 is provided with fixture block 25, and card frame 15 withstands fixture block 25, has stoped terminal contiguous block 2 thoroughly to detach support body 1.
During the work of this circuit breaker plug-in connecting terminal, support body 1 is screwed in the access port place of internal circuit, and makes the square opening of position alignment terminal contiguous block 2 upper surfaces of internal circuit access port; Terminal bodies 3 is connected with external circuit; Then in the square opening with the lower surface of the plug inserted terminals contiguous block 2 of terminal bodies 3, external circuit and transition circuit are connected, meanwhile, pull bar 31 has also inserted between the lock dog 24, and blocked by lock dog 24, and pull bar 31 also pushes up and turned limiting lock 12, opened terminal contiguous block 2; Promote terminal bodies 3, block at lock dog 24 under the effect of pull bar 31, so that terminal contiguous block 2 advances along guide rail 11, when terminal contiguous block 2 arrives the another port of support body 1, the end face square opening of terminal contiguous block 2 injects the internal circuit access port, internal circuit and transition circuit are communicated with, also namely have been communicated with internal circuit and external circuit; Take out terminal bodies 3 outward, block under pull bar 31 effect at lock dog 24, so that terminal contiguous block 2 is outwards mobile along guide rail 11, break away from the internal circuit access port, thereby the breaking inner circuit is connected connection with external circuit; Pull on moved end sub-connection piece 2, when it arrived the port of support body 1, card frame 15 had withstood the fixture block 25 of terminal contiguous block 2, stoped terminal contiguous block 2 thoroughly to detach support body 1; Along with terminal bodies 3 detaches terminal contiguous block 2, pull bar 31 also detaches lock dog 24 synchronously, also leaves limiting lock 12 simultaneously, and limiting lock 12 resets rotation to limitting angle pin 14, again withstands guide vane end stop 22, finishes the locking of terminal contiguous block 2; Last terminal bodies 3 detaches terminal contiguous block 2, and external circuit and transition circuit cut off.
Claims (7)
1. a circuit breaker plug-in connecting terminal comprises support body (1), terminal contiguous block (2) and terminal bodies (3); Described support body (1) is the tower structure of both ends open, and frame inner wall is provided with guide rail (11); Described terminal contiguous block (2) can be mobile along guide rail (11) in support body (1); Terminal bodies (3) and terminal contiguous block (2) inside of grafting cooperation all are equipped with electric connecting part in groups mutually, when terminal bodies (3) is plugged on the terminal contiguous block (2), the two inner electric connecting part also is communicated with simultaneously, along with terminal bodies (3) promote-side sub-connection piece (2) injects or extraction support body (1), terminal contiguous block (2) optionally is switched on or switched off main circuit; It is characterized in that: also be provided with the two synchronization-moving push-and-pull load transfer device of maintenance on described terminal contiguous block (2) and the terminal bodies (3); Described push-and-pull load transfer device comprises that lever rotates and is arranged on the lock dog (24) on the terminal contiguous block (2) and is fixedly installed on pull bar (31) on the terminal bodies (3); Described lock dog (24) is oppositely arranged in twos, and an end of lock dog (24) is provided with circular-arc projection, is provided with spring (21) between the other end and the terminal contiguous block (2), so that two projections are drawn close mutually extruding; Described pull bar (31) is provided with the groove that matches with the convex shape of lock dog (24); Along with terminal bodies (3) inserted terminals contiguous block (2), pull bar (31) also inserts between two lock dogs (24) synchronously, when described terminal bodies (3) grafting was engaged on the terminal contiguous block (2), the projection on the lock dog (24) was just blocked the groove of pull bar (31).
2. a kind of circuit breaker plug-in connecting terminal according to claim 1, it is characterized in that: described lock dog (24) is arranged in the lock dog groove (23), lock dog groove (23) has notch (26), the projection of described lock dog (24) is stretched out from notch (26), and described spring (21) is installed between lock dog (24) and the lock dog groove (23).
3. a kind of circuit breaker plug-in connecting terminal according to claim 2, it is characterized in that: this push-and-pull load transfer device has two, the symmetrical two ends that are arranged on terminal contiguous block (2).
4. a kind of circuit breaker plug-in connecting terminal according to claim 3 is characterized in that: described pull bar (31) inserts between the lock dog (24) along the direction of guide rail (11).
5. a kind of circuit breaker plug-in connecting terminal according to claim 4 is characterized in that: the locking-opening device that also is provided with terminal contiguous block (2) on described support body (1), terminal contiguous block (2) and the terminal bodies (3); Described locking-opening device comprises that lever rotates the limiting lock (12) be arranged on the support body (1), is fixedly installed on guide vane end stop (22) on the terminal contiguous block (2), is fixedly installed on the limit angle pin (14) on the support body (1) and is arranged at key bar on the terminal bodies (3); Lever one end of described limiting lock (12) is withstanding under the effect of wind spring on the limit angle pin (14) counterclockwise, and the lever other end withstands guide vane end stop (22) under the effect of limit angle pin (14); Along with described key masthead turns or leaves limiting lock (12), limiting lock (12) can turn clockwise to break away from guide vane end stop (22) or be rotated counterclockwise to reset and withstand guide vane end stop (22), thereby opens or lock terminal contiguous block (2).
6. a kind of circuit breaker plug-in connecting terminal according to claim 5, it is characterized in that: described key bar and pull bar (31) are wholely set, along with terminal bodies (3) injects or extract out terminal contiguous block (2), pull bar (31) can push up first before being blocked by lock dog (24) and turn limiting lock (12) opening end sub-connection piece (2), perhaps can leave limiting lock (12) lock terminal contiguous block (2).
7. a kind of circuit breaker plug-in connecting terminal according to claim 6, it is characterized in that: the port of described support body (1) is provided with card frame (15), and the termination of described terminal contiguous block (2) is provided with fixture block (25); Described card frame (15) withstands fixture block (25) to stop terminal contiguous block (2) to detach support body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110022552 CN102064053B (en) | 2011-01-20 | 2011-01-20 | Circuit breaker plug-in connecting terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110022552 CN102064053B (en) | 2011-01-20 | 2011-01-20 | Circuit breaker plug-in connecting terminal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102064053A CN102064053A (en) | 2011-05-18 |
| CN102064053B true CN102064053B (en) | 2013-10-16 |
Family
ID=43999284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110022552 Expired - Fee Related CN102064053B (en) | 2011-01-20 | 2011-01-20 | Circuit breaker plug-in connecting terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102064053B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103094011B (en) * | 2013-02-25 | 2016-02-10 | 北京人民电器厂有限公司 | A kind of electric connection structure of switching device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1211058A (en) * | 1997-09-05 | 1999-03-17 | 施耐德电器公司 | Device for assembly and electrical connection of modular electrical switchgear units such as circuit breakers |
| CN2626040Y (en) * | 2003-06-25 | 2004-07-14 | 上海电器科学研究所 | Plug in type connecting terminal for drawer type circuit breaker |
| CN201171028Y (en) * | 2008-03-13 | 2008-12-24 | 江苏大全凯帆电器有限公司 | Plug-in type connecting terminal for circuit breaker |
| CN101710553A (en) * | 2009-12-17 | 2010-05-19 | 马建明 | Plug-in connecting terminal for use in universal circuit breaker |
| CN201927557U (en) * | 2011-01-20 | 2011-08-10 | 慈溪市精工电器厂 | Plug-in wiring terminal of circuit breaker |
-
2011
- 2011-01-20 CN CN 201110022552 patent/CN102064053B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1211058A (en) * | 1997-09-05 | 1999-03-17 | 施耐德电器公司 | Device for assembly and electrical connection of modular electrical switchgear units such as circuit breakers |
| CN2626040Y (en) * | 2003-06-25 | 2004-07-14 | 上海电器科学研究所 | Plug in type connecting terminal for drawer type circuit breaker |
| CN201171028Y (en) * | 2008-03-13 | 2008-12-24 | 江苏大全凯帆电器有限公司 | Plug-in type connecting terminal for circuit breaker |
| CN101710553A (en) * | 2009-12-17 | 2010-05-19 | 马建明 | Plug-in connecting terminal for use in universal circuit breaker |
| CN201927557U (en) * | 2011-01-20 | 2011-08-10 | 慈溪市精工电器厂 | Plug-in wiring terminal of circuit breaker |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102064053A (en) | 2011-05-18 |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| ASS | Succession or assignment of patent right |
Owner name: CIXI SHUOBO ELECTRIC APPLIANCE TECHNOLOGY CO., LTD Free format text: FORMER OWNER: CIXI FINE ELECTRICAL APPLIANCE FACTORY Effective date: 20130902 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 315300 NINGBO, ZHEJIANG PROVINCE TO: 315335 NINGBO, ZHEJIANG PROVINCE |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20130902 Address after: 315335, No. 408, west highway, Zhouxiang Town, Cixi City, Zhejiang, Ningbo Applicant after: Cixi Shuobo Electrical Appliance Science & Technology Co., Ltd. Address before: 315300, No. 408, west highway, Zhouxiang Town, Cixi City, Zhejiang, Ningbo Applicant before: Cixi Fine Electrical Appliance Factory |
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| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131016 Termination date: 20210120 |