CN219476562U - Isolating switch fuse set - Google Patents
Isolating switch fuse set Download PDFInfo
- Publication number
- CN219476562U CN219476562U CN202320882556.2U CN202320882556U CN219476562U CN 219476562 U CN219476562 U CN 219476562U CN 202320882556 U CN202320882556 U CN 202320882556U CN 219476562 U CN219476562 U CN 219476562U
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- Prior art keywords
- contact bridge
- connecting piece
- switch
- movable contact
- push rod
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- 230000008018 melting Effects 0.000 claims abstract description 20
- 238000002844 melting Methods 0.000 claims abstract description 20
- 238000010586 diagram Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
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Abstract
The utility model provides an isolating switch fuse group, comprising: the switch body is provided with a busbar connecting piece and a melting core assembly, the melting core assembly comprises a melting core, and a first connecting piece and a second connecting piece which are respectively arranged at two ends of the melting core, and the first connecting piece is arranged adjacent to the busbar connecting piece; the movable contact bridge bracket is movably arranged on the switch body through a first elastic piece and is provided with a switching-off position and a switching-on position, and a contact bridge which is arranged corresponding to the busbar connecting piece and the first connecting piece is arranged on the movable contact bridge bracket, wherein when in the switching-on position, two ends of the contact bridge are respectively in contact communication with the busbar connecting piece and the first connecting piece; and when the contact bridge is in the opening position, the two ends of the contact bridge are respectively separated from the busbar connecting piece and the first connecting piece. Under the condition that the position of the melting core is not moved, an operator drives the movable contact bridge support to switch between a switching-off position and a switching-on position through the driving assembly, so that the switching-on and switching-off of the whole conductive loop are realized.
Description
Technical Field
The utility model relates to the technical field of electrical switches, in particular to an isolating switch fuse set.
Background
The isolating switch is usually matched with a fuse for use, has two functions of load breaking and isolating, can be additionally arranged on each pole of the fuse for overload and short-circuit protection, fully utilizes the protection characteristic curve of the fuse, realizes the protection of equipment in cables and circuits, and provides obvious breaking points for guaranteeing the personal safety of staff during maintenance.
The existing fuse type isolating switch comprises a base and a cover plate rotatably installed on the base, wherein a melting core is fixedly arranged on the inner side surface of the cover plate, two contacts which can be contacted with two ends of the melting core are arranged on the base, when the cover plate is in an open state, the melting core and the contacts are in a separated state, and the whole conductive loop is in an open state; when the cover plate is in a closed state, the melting core is in contact with the contact, and the whole conductive loop is in an on state, namely the on and off of the whole conductive loop are controlled by opening or closing the cover plate.
Disclosure of Invention
The utility model provides a novel isolating switch fuse set, which comprises a switch body, a movable contact bridge bracket and a driving assembly, wherein the switch body is provided with a busbar connecting piece and a fuse core assembly, the fuse core assembly comprises a fuse core, and a first connecting piece and a second connecting piece which are respectively arranged at two ends of the fuse core, and the first connecting piece is arranged adjacent to the busbar connecting piece; the movable contact bridge bracket is movably arranged on the switch body and is provided with a switching-off position and a switching-on position, and a contact bridge which is arranged corresponding to the busbar connecting piece and the first connecting piece is arranged on the movable contact bridge bracket, wherein when the switch-on position is reached, two ends of the contact bridge are respectively in contact communication with the busbar connecting piece and the first connecting piece; when the contact bridge is in the opening position, two ends of the contact bridge are separated from the busbar connecting piece and the first connecting piece respectively; the driving assembly is connected with the movable contact bridge support and is suitable for driving the movable contact bridge support to switch between the opening position and the closing position.
The driving assembly comprises a knob shaft assembly and a bouncing push rod assembly, and the knob shaft assembly is rotatably arranged on the switch body; and one end of the bouncing push rod assembly is connected with the switch body, the other end of the bouncing push rod assembly is connected with the movable contact bridge bracket, and the bouncing push rod assembly drives the movable contact bridge bracket to reciprocate under the driving of the knob shaft assembly.
The bottom of the knob shaft is provided with a mounting groove, the bouncing push rod assembly comprises a bouncing locking piece and a push rod, the bouncing locking piece is provided with a first connecting shaft arranged at one end of the bouncing locking piece, a first matching block and a first connecting groove which are arranged at the other end of the bouncing locking piece and are axially arranged, the first connecting shaft is rotatably mounted on the switch body, and the first matching block stretches into the mounting groove and can move relative to the mounting groove; the push rod is provided with a second connecting shaft arranged at one end of the push rod and a third connecting shaft arranged at the other end of the push rod, the second connecting shaft is inserted into the first connecting groove, and the third connecting shaft is rotatably arranged on the movable contact bridge support.
The switch comprises a switch body, a switch shaft, a switch cover and a switch cover, wherein a first limiting surface and a second limiting surface are formed on the switch shaft, the switch body is provided with a first side plate and a second side plate which are arranged front and back, and the first limiting surface is propped against the first side plate when the switch is in a switch-off position; and when the switch-on position is reached, the second limiting surface is propped against the second side plate.
One end of the first elastic piece is propped against the switch body, the other end of the first elastic piece is propped against the movable contact bridge support, and the first elastic piece is suitable for applying elastic acting force moving towards the opening position direction to the movable contact bridge support.
The movable contact bridge comprises a movable contact bridge support, a contact bridge, a first elastic piece, a second elastic piece and a contact bridge, wherein the movable contact bridge support is arranged on the movable contact bridge support, one end of the first elastic piece is propped against the movable contact bridge support, the other end of the first elastic piece is propped against the contact bridge, and the first elastic piece is suitable for exerting elastic acting force which is contacted with the busbar connecting piece and the first connecting piece towards the contact bridge.
An indicator for indicating the opening and closing state is arranged on the movable contact bridge support, and a first opening is formed in the top surface of the switch body, wherein a first indicator part of the indicator is arranged opposite to the first opening when the switch is in the opening position; when the switch-on position is reached, the second indication part of the indication piece is arranged opposite to the first opening.
The switch body is also provided with a micro switch, and the tail end of the movable contact bridge bracket is provided with a push rod which is arranged opposite to a deflector rod of the micro switch, wherein the push rod and the deflector rod are in a separated state when in a brake separating position; when the switch-on position is reached, the ejector rod is propped against the deflector rod, and the micro switch sends out signals.
The technical scheme of the utility model has the following advantages:
1. the utility model provides an isolating switch fuse group, which comprises a switch body, a busbar connecting piece, a fuse core assembly, a movable contact bridge bracket and a driving assembly, wherein the movable contact bridge bracket is movably arranged on the switch body and is provided with a contact bridge which is arranged corresponding to the busbar connecting piece and a first connecting piece, and two ends of the contact bridge are respectively in contact communication with the busbar connecting piece and the first connecting piece when in a closing position; and when the contact bridge is in the opening position, the two ends of the contact bridge are respectively separated from the busbar connecting piece and the first connecting piece. Compared with the mode of controlling the on and off of the whole conductive loop by opening or closing the cover plate in the prior art, the inventor provides a new idea, and under the condition that the position of the melting core is not moved, an operator drives the movable contact bridge support to switch between the opening position and the closing position through the driving component, so that the on and off of the whole conductive loop is realized.
2. According to the isolating switch fuse set provided by the utility model, in the opening state, the bouncing locking piece and the push rod are arranged in an inverted V shape, and when the switch is closed, the knob shaft assembly is driven to rotate anticlockwise, one side wall of the mounting groove at the bottom of the knob shaft is propped against the first matching block, the bouncing locking piece rotates clockwise around the first connecting shaft, and after the included angle between the bouncing locking piece and the push rod is increased, the movable contact bridge bracket is driven to move rightwards, so that two ends of the contact bridge are respectively in contact communication with the busbar connecting piece and the first connecting piece.
3. The utility model provides an isolating switch fuse group, wherein an indicating piece for indicating the opening and closing state is arranged on a movable contact bridge bracket, and a first opening is arranged on the top surface of a switch body, wherein a first indicating part of the indicating piece is arranged opposite to the first opening when the switch is in the opening position; when the switch is in the switch-on position, the second indicating part of the indicating piece is arranged opposite to the first opening, and an operator can intuitively know the switch-on and switch-off state of the switch body by observing the position of the indicating piece.
4. The utility model provides an isolating switch fuse set, wherein a switch body is also provided with a micro switch, the tail end of a movable contact bridge bracket is provided with a push rod which is arranged opposite to a deflector rod of the micro switch, and the push rod and the deflector rod are in a separated state when in a brake separating position; when the switch is in the switch-on position, the ejector rod is abutted against the deflector rod, and the micro switch sends out a signal, so that an operator in the remote control room can also know the switch-on and switch-off state of the switch body.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a switch body in a switch-off state;
FIG. 2 is an enlarged schematic view of the portion A in FIG. 1;
FIG. 3 is a schematic view of the knob shaft, bouncing push rod assembly and movable contact bridge bracket in a brake-off state;
FIG. 4 is a schematic diagram of an exploded view of the knob shaft, bouncing push rod assembly, and moving contact bridge bracket;
FIG. 5 is a schematic view of the knob shaft and bouncing push rod assembly in a brake-off state;
FIG. 6 is a schematic view of the knob shaft in a disengaged state;
fig. 7 is a schematic structural diagram of the switch body in a closed state;
FIG. 8 is an enlarged schematic view of portion B of FIG. 7;
FIG. 9 is a schematic view of the knob shaft, bouncing push rod assembly and movable contact bridge bracket in a brake-off state;
fig. 10 is a schematic structural view of the knob shaft and the bouncing push rod assembly in a closing state.
Reference numerals illustrate: 1. a switch body; 2. busbar connecting pieces; 3. a melting core; 4. a first connector; 5. a second connector; 6. a movable contact bridge bracket; 7. a contact bridge; 8. a knob; 9. a knob shaft; 10. a bouncing push rod assembly; 11. bouncing the locking piece; 12. a push rod; 13. a mounting groove; 14. a first connecting shaft; 15. a first mating block; 16. a first connection groove; 17. a second connecting shaft; 18. a third connecting shaft; 19. a first limiting surface; 20. the second limiting surface; 21. a first side plate; 22. a second side plate; 23. a first elastic member; 24. a second elastic member; 25. an indicator; 26. a first opening; 27. a micro-switch; 28. and (5) a push rod.
Detailed Description
The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
In addition, the technical features of the different embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.
Examples
The present embodiment provides an isolating switch fuse set, as shown in fig. 1 and 7, including a switch body 1, a movable contact bridge bracket 6, a driving assembly, an indicator 25, and a micro switch 27.
The switch body 1 is provided with a busbar connecting piece 2 and a melting core assembly, as shown in fig. 1 and 2, the melting core assembly comprises a melting core 3, and a first connecting piece 4 and a second connecting piece 5 which are respectively arranged at two ends of the melting core 3, wherein the first connecting piece 4 is adjacent to the busbar connecting piece 2.
The movable contact bridge bracket 6 is movably arranged on the switch body 1 through a first elastic piece 23 and is provided with a switching-off position shown in fig. 2 and a switching-on position shown in fig. 7, and the movable contact bridge bracket 6 is provided with a contact bridge 7 which is arranged corresponding to the busbar connecting piece 2 and the first connecting piece 4, wherein in the switching-on position, two ends of the contact bridge 7 are respectively in contact communication with the busbar connecting piece 2 and the first connecting piece 4; in the opening position, two ends of the contact bridge 7 are separated from the busbar connection piece 2 and the first connection piece 4 respectively. As shown in fig. 2, one end of the second elastic member 24 abuts against the movable contact bridge support 6, and the other end abuts against the contact bridge 7, and the second elastic member 24 is adapted to apply an elastic force to the contact bridge 7, which is in contact with the busbar connection member 2 and the first connection member 4. One end of the first elastic member 23 abuts against the switch body 1, the other end abuts against the movable contact bridge bracket 6, and the first elastic member 23 is adapted to apply an elastic force to the movable contact bridge bracket 6, the elastic force moving toward the opening position.
The driving assembly is connected with the movable contact bridge bracket 6 and is suitable for driving the movable contact bridge bracket 6 to switch between the opening position and the closing position. As shown in fig. 3-5, the drive assembly includes: a knob 8 and a knob shaft 9 assembly rotatably mounted on the switch body 1; one end of the bouncing push rod assembly 10 is connected with the switch body 1, the other end of the bouncing push rod assembly is connected with the movable contact bridge bracket 6, and the bouncing push rod assembly 10 drives the movable contact bridge bracket 6 to reciprocate under the drive of the knob 8 and the knob shaft 9 assembly. The bottom of the knob shaft 9 is provided with a mounting groove 13, and the bouncing push rod assembly 10 comprises: the bouncing locking piece 11 is provided with a first connecting shaft 14 arranged at one end of the bouncing locking piece, a first matching block 15 and a first connecting groove 16 which are arranged at the other end of the bouncing locking piece and are arranged along the axial direction, the first connecting shaft 14 is rotatably arranged on the switch body 1, and the first matching block 15 stretches into the mounting groove 13 and can move relative to the mounting groove 13; the push rod 12 has a second connecting shaft 17 disposed at one end thereof, and a third connecting shaft 18 disposed at the other end thereof, the second connecting shaft 17 is inserted into the first connecting groove 16, and the third connecting shaft 18 is rotatably mounted on the movable contact bridge bracket 6. As shown in fig. 6, the knob shaft 9 is formed with a first limiting surface 19 and a second limiting surface 20, and the switch body 1 has a first side plate 21 and a second side plate 22 disposed front and back, wherein, in the opening position, the first limiting surface 19 abuts against the first side plate 21; in the closing position, the second limiting surface 20 abuts against the second side plate 22.
The indicating piece 25 is installed on the movable contact bridge bracket 6 and is used for indicating the opening and closing state. As shown in fig. 7 and 9, the top surface of the switch body 1 is provided with a first opening 26, wherein, in the opening position, the first indication part of the indication member 25 is opposite to the first opening 26; in the closing position, the second indication portion of the indication member 25 is disposed opposite to the first opening 26.
The switch body 1 is also provided with a micro switch 27, and the tail end of the movable contact bridge bracket 6 is provided with a push rod 28 which is arranged opposite to a deflector rod of the micro switch 27, wherein the push rod 28 and the deflector rod are in a separated state when in a brake separating position as shown in fig. 1; in the closing position shown in fig. 7, the ejector rod 28 abuts against the deflector rod, and the microswitch 27 sends out a signal.
The working principle of the isolating switch fuse set of the utility model is as follows:
in the opening state as shown in fig. 3 and 5, the bouncing locking piece 11 and the push rod 12 are arranged in an inverted V shape; when the switch-on is carried out, the knob shaft assembly is driven to rotate anticlockwise, one side wall of the mounting groove 13 at the bottom of the knob shaft 9 is propped against the first matching block 15, the bouncing locking piece 11 rotates clockwise around the first connecting shaft 14 and is extruded and elastically deformed, after the included angle between the bouncing locking piece 11 and the push rod 12 becomes large, the movable contact bridge bracket 6 is driven to move rightwards, when the first matching block 15 spans from the upper part of the limit compression position between the bouncing locking piece 11 and the push rod 12 to the lower part (the limit compression position is the connecting position of the first connecting shaft 14 and the third connecting shaft 18), the bouncing locking piece 11 releases energy, and the movable contact bridge bracket 6 is rapidly pushed to move rightwards through the push rod 12, so that two ends of the contact bridge 7 are respectively in contact communication with the busbar connecting piece 2 and the first connecting piece 4.
The utility model provides an isolating switch fuse group, which comprises a switch body 1, a busbar connecting piece 2, a fuse core assembly, a movable contact bridge bracket 6 and a driving assembly, wherein the movable contact bridge bracket 6 is movably arranged on the switch body 1 and is provided with a contact bridge 7 which is arranged corresponding to the busbar connecting piece 2 and a first connecting piece 4, wherein two ends of the contact bridge 7 are respectively in contact communication with the busbar connecting piece 2 and the first connecting piece 4 when in a closing position; in the opening position, both ends of the contact bridge 7 are separated from the busbar connection piece 2 and the first connection piece 4 respectively. Compared with the mode of controlling the on and off of the whole conductive loop by opening or closing the cover plate in the prior art, the inventor provides a new thought, and under the condition that the position of the melting core is not moved, an operator drives the movable contact bridge bracket 6 to switch between the opening position and the closing position through the driving component, so that the on and off of the whole conductive loop is realized.
It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the utility model.
Claims (8)
1. An isolating switch fuse set, comprising:
the switch body (1) is provided with a busbar connecting piece (2) and a melting core assembly, the melting core assembly comprises a melting core (3), and a first connecting piece (4) and a second connecting piece (5) which are respectively arranged at two ends of the melting core (3), and the first connecting piece (4) and the busbar connecting piece (2) are adjacently arranged;
the movable contact bridge bracket (6) is movably arranged on the switch body (1) through a first elastic piece (23) and is provided with a switching-off position and a switching-on position, the movable contact bridge bracket (6) is provided with a contact bridge (7) which is arranged corresponding to the busbar connecting piece (2) and the first connecting piece (4), and when in the switching-on position, two ends of the contact bridge (7) are respectively in contact communication with the busbar connecting piece (2) and the first connecting piece (4); when in the opening position, the two ends of the contact bridge (7) are separated from the busbar connecting piece (2) and the first connecting piece (4) respectively;
the driving assembly is connected with the movable contact bridge support (6) and is suitable for driving the movable contact bridge support (6) to switch between the opening position and the closing position.
2. The isolating switch fuse bank of claim 1, wherein the drive assembly comprises:
a knob (8) and a knob shaft (9) assembly rotatably mounted on the switch body (1);
one end of the bouncing push rod assembly (10) is connected with the switch body (1), the other end of the bouncing push rod assembly is connected with the movable contact bridge bracket (6), and the bouncing push rod assembly (10) drives the movable contact bridge bracket (6) to reciprocate under the driving of the knob shaft (9) assembly of the knob (8).
3. The isolating switch fuse set according to claim 2, characterized in that the bottom of the knob shaft (9) is provided with a mounting groove (13), the bouncing push rod assembly (10) comprises:
the bouncing locking piece (11) is provided with a first connecting shaft (14) arranged at one end of the bouncing locking piece, a first matching block (15) and a first connecting groove (16) which are arranged at the other end of the bouncing locking piece and are axially arranged, the first connecting shaft (14) is rotatably arranged on the switch body (1), and the first matching block (15) stretches into the mounting groove (13) and can move relative to the mounting groove (13);
the push rod (12) is provided with a second connecting shaft (17) arranged at one end of the push rod and a third connecting shaft (18) arranged at the other end of the push rod, the second connecting shaft (17) is inserted into the first connecting groove (16), and the third connecting shaft (18) is rotatably arranged on the movable contact bridge bracket (6).
4. A disconnector fuse block according to claim 2 or 3, characterized in that the knob shaft (9) is formed with a first limit surface (19) and a second limit surface (20), the switch body (1) having a first side plate (21) and a second side plate (22) arranged back and forth, wherein, in the open position, the first limit surface (19) abuts against the first side plate (21); when the switch-on position is reached, the second limiting surface (20) is propped against the second side plate (22).
5. Disconnecting switch fuse group according to claim 1, wherein one end of the first elastic member (23) abuts against the switch body (1) and the other end abuts against the movable contact bridge holder (6), the first elastic member (23) being adapted to exert an elastic force towards the movable contact bridge holder (6) moving in the direction of the opening position.
6. The disconnector fuse group according to claim 1, further comprising a second elastic member (24), one end of the second elastic member (24) being in abutment with the movable contact bridge holder (6) and the other end being in abutment with the contact bridge (7), the second elastic member (24) being adapted to exert an elastic force towards the contact bridge (7) in contact with the busbar connection member (2) and the first connection member (4).
7. The isolating switch fuse group according to claim 1, wherein an indicator (25) for indicating a switching-on/off state is mounted on the movable contact bridge bracket (6), and a first opening (26) is provided on the top surface of the switch body (1), wherein, in a switching-off position, a first indicator portion of the indicator (25) is disposed opposite to the first opening (26); in the closing position, the second indicator portion of the indicator (25) is disposed opposite the first opening (26).
8. The isolating switch fuse group according to claim 1, wherein the switch body (1) is further provided with a micro switch (27), and a push rod (28) arranged opposite to a deflector rod of the micro switch (27) is arranged at the tail end of the movable contact bridge bracket (6), wherein the push rod (28) and the deflector rod are in a separated state when in a brake separating position; when in a closing position, the ejector rod (28) is abutted against the deflector rod, and the micro switch (27) sends out a signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320882556.2U CN219476562U (en) | 2023-04-14 | 2023-04-14 | Isolating switch fuse set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320882556.2U CN219476562U (en) | 2023-04-14 | 2023-04-14 | Isolating switch fuse set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219476562U true CN219476562U (en) | 2023-08-04 |
Family
ID=87458962
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320882556.2U Active CN219476562U (en) | 2023-04-14 | 2023-04-14 | Isolating switch fuse set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219476562U (en) |
-
2023
- 2023-04-14 CN CN202320882556.2U patent/CN219476562U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 325600, No. 66 Punan Fifth Road, Leqing Economic Development Zone, Wenzhou City, Zhejiang Province Patentee after: Zhejiang Jinlaile Electric Co.,Ltd. Country or region after: China Address before: 325600 No. 66, Punan fifth road, Yueqing Economic Development Zone, Yueqing City, Wenzhou City, Zhejiang Province Patentee before: ZHEJIANG GRL ELECTRIC CO.,LTD. Country or region before: China |
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| CP03 | Change of name, title or address |