CN216849801U - Low-voltage circuit breaker for power system maintenance - Google Patents
Low-voltage circuit breaker for power system maintenance Download PDFInfo
- Publication number
- CN216849801U CN216849801U CN202123051046.0U CN202123051046U CN216849801U CN 216849801 U CN216849801 U CN 216849801U CN 202123051046 U CN202123051046 U CN 202123051046U CN 216849801 U CN216849801 U CN 216849801U
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- limiting
- circuit breaker
- fixing plate
- groove
- movable groove
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- 238000012423 maintenance Methods 0.000 title claims abstract description 13
- 230000005540 biological transmission Effects 0.000 claims description 14
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 238000009434 installation Methods 0.000 abstract description 4
- 230000000712 assembly Effects 0.000 abstract 1
- 238000000429 assembly Methods 0.000 abstract 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a low voltage circuit breaker is used in power system maintenance, include: a circuit breaker body; the two clamping plates are symmetrically arranged on the circuit breaker body; the pull rod is arranged on the clamping plate and used for moving the clamping plate; and the limiting assemblies are symmetrically arranged in the two clamping plates and used for fixing the clamping plates. Through grooves are respectively formed in the two fixing parts on the rear side of the circuit breaker body; a plurality of triangular limiting grooves are respectively and inwardly formed in the left side wall and the right side wall in the through groove; the middle part of the upper side in the through groove is connected with a movable groove piece. The problem of more convenient and fast dismantlement or installation of circuit breaker can effectively be solved.
Description
Technical Field
The utility model relates to a low-voltage circuit breaker is used in power system maintenance.
Background
The low-voltage circuit breaker is a switching device which can not only connect and disconnect normal load current and overload current, but also connect and disconnect short-circuit current. The low-voltage circuit breaker has certain protection functions such as overload, short circuit, undervoltage and leakage protection besides the function of starting control in the circuit.
Common low-voltage circuit breaker is worn into then the card on the mounting bar from the one end of mounting bar through the fixed part at back, and this kind of mounting means is simple, but when dismantling or increase electron device, need draw out the circuit breaker from the mounting bar, and is comparatively troublesome.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's defect and provide a low voltage circuit breaker is used in power system maintenance, can effectively solve the problem of the more convenient and fast's of circuit breaker dismantlement or installation among the background art.
The technical scheme for realizing the purpose is as follows: a low-voltage circuit breaker for maintenance of an electrical power system, comprising:
a circuit breaker body;
the two clamping plates are symmetrically arranged on the circuit breaker body;
the pull rod is arranged on the clamping plate and used for moving the clamping plate; and
the limiting components are symmetrically arranged in the two clamping plates and used for fixing the clamping plates.
Furthermore, through grooves are respectively formed in two fixing parts on the rear side of the circuit breaker body; a plurality of triangular limiting grooves are respectively and inwardly formed in the left side wall and the right side wall in the through groove; the middle part of the upper side in the through groove is connected with a movable groove piece.
Further, the clamping plate is movably placed in the through groove; a first movable groove is formed in the end face of the clamping plate on one side of the movable groove piece inwards, and the first movable groove is matched with the movable groove piece; the middle part of one side of the clamping plate on the movable groove piece is inwards provided with a second movable groove, and the second movable groove is communicated with the first movable groove.
Furthermore, the left side wall and the right side wall of the clamping plate are respectively provided with a limiting hole, and the limiting holes are arranged in the direction of the front side of the limiting groove; the left side wall and the right side wall in the clamping plate are respectively connected with a first fixing plate and a second fixing plate; the first fixing plate and the second fixing plate are arranged on the upper side and the lower side of the limiting hole.
Further, the spacing subassembly includes: the transmission rod and the two limiting pieces; the transmission rod is movably placed in the movable groove piece; the two limiting pieces are respectively and correspondingly arranged between the first fixing plate and the second fixing plate, one end of each limiting piece penetrates through the limiting hole to be movably placed in the limiting groove, and one end of each limiting piece is provided with an inclined part matched with the limiting groove; a third fixing plate extends upwards from the other end of the limiting piece; a spring is connected between the first fixing plate and the third fixing plate; a steel wire rope is connected between the two third fixing plates and penetrates through the transmission rod; the limiting piece is longer than the first fixing plate.
Further, the pull rod is arranged on the clamping plate and outside the transmission rod.
The utility model has the advantages that: the clamping plate is used for clamping the breaker body on the mounting bar, so that the breaker body does not need to be mounted through the mounting bar, and the breaker body is relatively quick to dismount and mount; the pull rod is arranged and used for moving the clamping plate to open or close the clamping plate; through setting up spacing subassembly for carry on spacing fixedly to the cardboard, make and realize installing the purpose on the mounting bar with the circuit breaker body through the cardboard.
Drawings
Fig. 1 is a schematic view of the overall structure of the low-voltage circuit breaker for power system maintenance of the present invention;
fig. 2 is a sectional view of the through groove of the present invention;
FIG. 3 is a cross-sectional view of the middle catch plate of the present invention;
fig. 4 is a schematic view of the back structure of the present invention.
Reference numerals: 1. the circuit breaker comprises a circuit breaker body, 2, a through groove, 3, a limiting groove, 4, a movable groove piece, 5, a clamping plate, 501, a first movable groove, 6, a second movable groove, 7, a transmission rod, 8, a pull rod, 9, a limiting hole, 10, a first fixing plate, 11, a second fixing plate, 12, a limiting part, 13, a third fixing plate, 14, a spring, 15 and a steel wire rope.
Detailed Description
The technical solution of the present invention will be clearly and completely described with reference to the accompanying drawings. In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance.
The present invention will be further explained with reference to the accompanying drawings.
Referring to fig. 1-4, the present invention is a low voltage circuit breaker for power system maintenance, comprising: the circuit breaker comprises a circuit breaker body 1, a clamping plate 5, a pull rod 8, a transmission rod 7 and two limiting pieces 12;
a circuit breaker body 1; through grooves 2 are respectively formed in two fixing parts on the rear side of the circuit breaker body 1; a plurality of triangular limiting grooves 3 are respectively and inwardly arranged on the left side wall and the right side wall in the through groove 2; the middle part of the upper side in the through groove 2 is connected with a movable groove part 4;
the two clamping plates 5 are symmetrically arranged on the breaker body 1; the clamping plate 5 is movably arranged in the through groove 2; the clamping plate 5 is provided with a first movable groove 501 inwards on the end surface of one side of the movable groove part 4, and the first movable groove 501 is matched with the movable groove part 4; the clamping plate 5 is provided with a second movable groove 6 inwards in the middle of one side of the movable groove part 4, and the second movable groove 6 is communicated with the first movable groove 501; limiting holes 9 are respectively formed in the left side wall and the right side wall of the clamping plate 5, and the limiting holes 9 are arranged in the direction of the positive side of the limiting groove 3; the left side wall and the right side wall in the clamping plate 5 are respectively connected with a first fixing plate 10 and a second fixing plate 11; the first fixing plate 10 and the second fixing plate 11 are arranged at the upper side and the lower side of the limiting hole 9; the clamping plate 5 is arranged and used for clamping the breaker body 1 on the mounting bar, so that the breaker body does not need to penetrate through the mounting bar for mounting, and the breaker body is quick to dismount and mount; the first fixing plate 10 and the second fixing plate 11 are arranged to limit and guide the movement of the limiting part 12;
the limiting components are symmetrically arranged in the two clamping plates 5 and used for fixing the clamping plates 5; spacing subassembly includes: a transmission rod 7 and two limit pieces 12; the transmission rod 7 is movably arranged in the movable groove part 4; the two limiting pieces 12 are respectively and correspondingly arranged between the first fixing plate 10 and the second fixing plate 11, one end of each limiting piece 12 penetrates through the limiting hole 9 to be movably placed in the limiting groove 3, and one end of each limiting piece 12 is provided with an inclined part matched with the limiting groove 3; the other end of the limiting piece 12 extends upwards to form a third fixing plate 13; a spring 14 is connected between the first fixing plate 10 and the third fixing plate 13; a steel wire rope 15 is connected between the two third fixing plates 13, and the steel wire rope 15 penetrates through the transmission rod 7; the limiting member 12 is longer than the first fixing plate 10; the circuit breaker body 1 is arranged on the mounting bar through the clamping plate 5 by arranging the limiting component for limiting and fixing the clamping plate 5;
a pull rod 8 arranged on the clamping plate 5 and used for moving the clamping plate 5; the pull rod 8 is arranged on the clamping plate 5 and outside the transmission rod 7; the pull rod 8 is arranged for moving the card 5 to open or close the card 5.
The working principle is as follows:
during installation, the fixed part at the rear side of the breaker body 1 is placed on the installation strip, and the pull rod 8 is pressed inwards, so that the clamping plate 5 moves in the through groove 2; when the end part of the limiting piece 12 is clamped in the limiting groove 3, the pull rod 8 is continuously pressed inwards, the inclined surface of the limiting piece 12 is extruded by the inclined surface of the limiting groove 3, so that the limiting piece 12 moves inwards, and the clamping plate 5 can continuously move in the through groove 2; until the breaker body 1 is clamped on the mounting bar, the limiting pieces 12 move outwards under the force of the springs 14 and are clamped in the corresponding limiting grooves 3;
during the dismantlement, inwards press transfer line 7 for 15 shrink of wire rope, thereby drive two locating part 12 inside movements, then accessible pull rod 8 upwards spurs cardboard 5, pulls open completely until cardboard 5, can take down circuit breaker body 1 from the mounting bar.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (6)
1. A low-voltage circuit breaker for power system maintenance, comprising:
a circuit breaker body (1);
the two clamping plates (5) are symmetrically arranged on the breaker body (1);
a pull rod (8) arranged on the clamping plate (5) and used for moving the clamping plate (5); and
the limiting components are symmetrically arranged in the two clamping plates (5) and used for fixing the clamping plates (5).
2. The low-voltage circuit breaker for power system maintenance according to claim 1, wherein two fixed positions at the rear side of the circuit breaker body (1) are respectively provided with a through groove (2); a plurality of triangular limiting grooves (3) are respectively and inwardly formed in the left side wall and the right side wall in the through groove (2); the middle part of the upper side in the through groove (2) is connected with a movable groove piece (4).
3. A low-voltage circuit breaker for the maintenance of electric power systems according to claim 2, characterized in that said catch plate (5) is movably placed inside said through slot (2); a first movable groove (501) is formed in the end face of the clamping plate (5) on one side of the movable groove piece (4) inwards, and the first movable groove (501) is matched with the movable groove piece (4); the middle part of one side of the clamping plate (5) on the movable groove part (4) is inwards provided with a second movable groove (6), and the second movable groove (6) is communicated with the first movable groove (501).
4. The low-voltage circuit breaker for maintaining the power system according to claim 3, wherein the left and right side walls of the clamping plate (5) are respectively provided with a limiting hole (9), and the limiting holes (9) are arranged in the direction of the positive side of the limiting groove (3); the left side wall and the right side wall in the clamping plate (5) are respectively connected with a first fixing plate (10) and a second fixing plate (11); the first fixing plate (10) and the second fixing plate (11) are arranged on the upper side and the lower side of the limiting hole (9).
5. A low-voltage circuit breaker for maintenance of power systems according to claim 4, characterized in that said limiting assembly comprises: a transmission rod (7) and two limit pieces (12); the transmission rod (7) is movably placed in the movable groove piece (4); the two limiting pieces (12) are respectively and correspondingly arranged between the first fixing plate (10) and the second fixing plate (11), one end of each limiting piece (12) penetrates through the limiting hole (9) to be movably placed in the limiting groove (3), and one end of each limiting piece (12) is provided with an inclined part matched with the limiting groove (3); the other end of the limiting piece (12) extends upwards to form a third fixing plate (13); a spring (14) is connected between the first fixing plate (10) and the third fixing plate (13); a steel wire rope (15) is connected between the two third fixing plates (13), and the steel wire rope (15) penetrates through the transmission rod (7); the limiting piece (12) is longer than the first fixing plate (10).
6. A low-voltage circuit breaker for the maintenance of electric power systems according to claim 5, characterized in that said tie-rod (8) is arranged on said card (5) outside said transmission rod (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123051046.0U CN216849801U (en) | 2021-12-07 | 2021-12-07 | Low-voltage circuit breaker for power system maintenance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123051046.0U CN216849801U (en) | 2021-12-07 | 2021-12-07 | Low-voltage circuit breaker for power system maintenance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216849801U true CN216849801U (en) | 2022-06-28 |
Family
ID=82106898
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123051046.0U Expired - Fee Related CN216849801U (en) | 2021-12-07 | 2021-12-07 | Low-voltage circuit breaker for power system maintenance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216849801U (en) |
-
2021
- 2021-12-07 CN CN202123051046.0U patent/CN216849801U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| 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: 20220628 |