CN218039062U - Short-circuit connecting plate positioning structure of circuit breaker - Google Patents
Short-circuit connecting plate positioning structure of circuit breaker Download PDFInfo
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- CN218039062U CN218039062U CN202222096805.3U CN202222096805U CN218039062U CN 218039062 U CN218039062 U CN 218039062U CN 202222096805 U CN202222096805 U CN 202222096805U CN 218039062 U CN218039062 U CN 218039062U
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- 230000000903 blocking effect Effects 0.000 claims description 2
- 230000008878 coupling Effects 0.000 claims 5
- 238000010168 coupling process Methods 0.000 claims 5
- 238000005859 coupling reaction Methods 0.000 claims 5
- 230000000670 limiting effect Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 230000002829 reductive effect Effects 0.000 description 3
- 230000003068 static effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000006071 cream Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
Short circuit connecting plate location structure of circuit breaker. The difficult problem of location when mainly solving the short circuit connecting plate of present circuit breaker and lug connection. The method is characterized in that: a first positioning structure (12) and a second positioning structure (13) are arranged between the short-circuit connecting plate and the lug plate, and the first positioning structure is used for positioning the short-circuit connecting plate in the left and right directions; the second positioning structure is used for positioning the short-circuit connecting plate in the front-back direction; when the first positioning structure and the second positioning structure are matched in a positioning mode, the second mounting hole and the first mounting hole are coaxially arranged and used for connecting a fastener. The utility model provides a short circuit connecting plate location structure of circuit breaker can realize spacing, locate function, easy to assemble through first location structure and second location structure.
Description
Technical Field
The utility model belongs to the circuit breaker field, concretely relates to short circuit connecting plate location structure of circuit breaker.
Background
A low voltage direct current molded case circuit breaker is a protective electric appliance, and when the molded case circuit breaker is overloaded or short-circuited, the circuit breaker trips to cut off a fault current. The direct current moulded case circuit breaker usually adopts inside short circuit, realizes that the major loop is established ties, and a plurality of breakpoints can bear higher direct current breaking voltage.
Chinese patent publication No. CN208093487U discloses a short-circuit connection plate, which has no positioning structure between the short-circuit connection plate and the terminal lug, so that the terminal lug is difficult to align and assemble during installation.
SUMMERY OF THE UTILITY MODEL
In order to overcome the not enough of background art, the utility model provides a short circuit connecting plate location structure of circuit breaker mainly solves the problem of the difficult location when the short circuit connecting plate of present circuit breaker is connected with the lug.
The utility model adopts the technical proposal that:
a short circuit connecting plate positioning structure of a circuit breaker comprises a short circuit connecting plate and a lug plate, wherein a first mounting hole is arranged on the short circuit connecting plate, a second mounting hole is arranged on the lug plate, a first positioning structure and a second positioning structure are arranged between the short circuit connecting plate and the lug plate,
the first positioning structure is used for positioning the short-circuit connecting plate in the left and right directions;
the second positioning structure is used for positioning the short-circuit connecting plate in the front-back direction;
when the first positioning structure and the second positioning structure are matched in a positioning mode, the second mounting hole and the first mounting hole are coaxially arranged and used for connecting a fastener.
The first positioning structure comprises a sliding groove arranged on the short-circuit connecting plate, the lug plate is in sliding fit with the sliding groove, and the inner walls of the two sides of the sliding groove are in contact with the outer wall of the lug plate.
The second positioning structure comprises a positioning groove arranged on the front end face of the short-circuit connecting plate, and a boss matched with the positioning groove in a blocking mode is arranged on the wiring piece.
The lug plate is provided with a threaded hole, the threaded hole is connected with a screw, and the screw part penetrates through the threaded hole to form the boss.
The inner wall of the sliding groove is provided with a conductive paste layer.
The spout is located the bottom of short circuit connecting plate, the spout runs through the front and back terminal surface of short circuit connecting plate.
The locating slot penetrates through the upper end face and the lower end face of the short-circuit connecting plate.
And a nut is welded at the bottom of the lug plate and is coaxially arranged with the second mounting hole.
The beneficial effects of the utility model are that: the utility model provides a short circuit connecting plate location structure of circuit breaker can realize spacing, locate function, easy to assemble through first location structure and second location structure.
Drawings
Fig. 1 is a schematic perspective view of an embodiment of the present invention.
Fig. 2 is a schematic cross-sectional view of an embodiment of the present invention.
Fig. 3 is a schematic perspective view of a short-circuit connecting plate according to an embodiment of the present invention.
Fig. 4 is a partial perspective view of an embodiment of the present invention.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings: as shown in the figure, the short circuit connecting plate positioning structure of the circuit breaker comprises a short circuit connecting plate 1 and a lug plate 2, wherein a first mounting hole 11 is formed in the short circuit connecting plate, a second mounting hole 21 is formed in the lug plate, a first positioning structure 12 and a second positioning structure 13 are arranged between the short circuit connecting plate and the lug plate, and the first positioning structure is used for positioning the short circuit connecting plate in the left-right direction; the second positioning structure is used for positioning the short-circuit connecting plate in the front-back direction; when the first positioning structure and the second positioning structure are matched in a positioning mode, the second mounting hole and the first mounting hole are coaxially arranged and used for connecting a fastener. This first location structure can realize spacing to the short circuit connecting plate left and right sides direction for structures such as baffle, and this second location structure is spacing at the short circuit connecting plate fore-and-aft direction, specifically can be baffle, dog etc. carry on spacingly to the short circuit connecting plate through first location structure and second location structure, and its first mounting hole can be to the top with the second mounting hole after the short circuit connecting plate location is accomplished, makes things convenient for the installation of screw. The lugs may be static lugs.
The utility model discloses in, as shown in the figure, first location structure is including locating spout 31 on the short circuit connecting plate, the lug with spout sliding fit, the both sides inner wall of spout with the outer wall contact of lug. The first positioning structure is a sliding groove, the limiting is only realized in the left and right directions of the lug, the front and the back can move, the movement is already in place after being blocked by the second positioning mechanism, namely the lug boss, when the movement is certain, the lug is arranged in the groove, and the contact area is increased and the temperature rise is reduced because three surfaces of the lug are in contact.
The utility model discloses in, as shown in the figure, second location structure is including locating the constant head tank 41 of terminal surface before the short circuit connecting plate, be equipped with on the terminal block on the lug with the constant head tank blocks complex boss 20. The boss can be a protruding structure on the lug plate and can fall into the positioning groove to realize limiting.
In the utility model discloses in, as shown in the figure, be equipped with screw hole 22 on the lug, be connected with screw 25 on the screw hole, the screw part passes the screw hole forms the boss. The boss is a part of the screw, and the screw can adjust the extending length, so that the adjustment is more facilitated, and the use is convenient.
The utility model discloses in, as shown in the figure, the spout inner wall is equipped with electrically conductive cream layer. And conductive paste is coated on two inner sides of the double-guide sliding groove of the short-circuit connecting plate, so that the contact area with the static contact can be increased. The loop resistance is reduced, and the temperature rise of the product is reduced.
The utility model discloses in, as shown in the figure, the spout is located the bottom of short circuit connecting plate, the spout runs through terminal surface around the short circuit connecting plate.
The utility model discloses in, as shown in the figure, the constant head tank runs through the upper and lower terminal surface of short circuit connecting plate.
The utility model discloses in, as shown in the figure, the welding of lug bottom has nut 15, the nut with the coaxial setting of second mounting hole. More convenient assembly, the screw dress down can, installation strength is higher moreover.
The embodiments described with reference to the figures are exemplary intended for the purpose of illustrating the invention and are not to be construed as limiting the invention. The examples should not be construed as limiting the present invention, but any modifications made based on the spirit of the present invention should be within the scope of the present invention.
Claims (8)
1. Short circuit connecting plate location structure of circuit breaker, including short circuit connecting plate (1) and lug (2), be equipped with first mounting hole (11) on the short circuit connecting plate, be equipped with second mounting hole (21) on the lug, its characterized in that: a first positioning structure (12) and a second positioning structure (13) are arranged between the short-circuit connecting plate and the lug plate,
the first positioning structure is used for positioning the short-circuit connecting plate in the left and right directions;
the second positioning structure is used for positioning the short-circuit connecting plate in the front-back direction;
when the first positioning structure and the second positioning structure are in positioning fit, the second mounting hole and the first mounting hole are coaxially arranged and are used for connecting a fastener.
2. The shorting link plate positioning structure of a circuit breaker as recited in claim 1, wherein: first location structure is including locating spout (31) on the short circuit connecting plate, the lug with spout sliding fit, the both sides inner wall of spout with the outer wall contact of lug.
3. The short circuit coupling plate positioning structure of circuit breaker according to claim 1, characterized in that: the second positioning structure comprises a positioning groove (41) arranged on the front end face of the short-circuit connecting plate, and a boss (20) in blocking fit with the positioning groove is arranged on the wiring piece.
4. The shorting link plate positioning structure of a circuit breaker as recited in claim 3, wherein: threaded holes (22) are formed in the lugs, screws (25) are connected to the threaded holes, and the screw portions penetrate through the threaded holes to form the bosses.
5. The short circuit coupling plate positioning structure of circuit breaker according to claim 2, characterized in that: the inner wall of the sliding groove is provided with a conductive paste layer.
6. The short circuit coupling plate positioning structure of circuit breaker according to claim 2, characterized in that: the spout is located the bottom of short circuit connecting plate, the spout runs through the front and back terminal surface of short circuit connecting plate.
7. The short circuit coupling plate positioning structure of circuit breaker according to claim 3, characterized in that: the locating slot penetrates through the upper end face and the lower end face of the short-circuit connecting plate.
8. The short circuit coupling plate positioning structure of circuit breaker according to claim 1, characterized in that: and a nut (15) is welded at the bottom of the lug plate, and the nut and the second mounting hole are coaxially arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222096805.3U CN218039062U (en) | 2022-08-10 | 2022-08-10 | Short-circuit connecting plate positioning structure of circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222096805.3U CN218039062U (en) | 2022-08-10 | 2022-08-10 | Short-circuit connecting plate positioning structure of circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218039062U true CN218039062U (en) | 2022-12-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222096805.3U Active CN218039062U (en) | 2022-08-10 | 2022-08-10 | Short-circuit connecting plate positioning structure of circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218039062U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117995594A (en) * | 2024-04-03 | 2024-05-07 | 瑞睿电气(浙江)有限公司 | Direct-current high-voltage circuit breaker |
-
2022
- 2022-08-10 CN CN202222096805.3U patent/CN218039062U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117995594A (en) * | 2024-04-03 | 2024-05-07 | 瑞睿电气(浙江)有限公司 | Direct-current high-voltage circuit breaker |
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