CN210403582U

CN210403582U - Outdoor isolating switch

Info

Publication number: CN210403582U
Application number: CN201920765778.XU
Authority: CN
Inventors: 林剑锋
Original assignee: Zhejiang Fuerte Electrical Apparatus Co ltd
Current assignee: Zhejiang Fuerte Electrical Apparatus Co ltd
Priority date: 2019-05-25
Filing date: 2019-05-25
Publication date: 2020-04-24
Anticipated expiration: 2029-05-25

Abstract

The utility model discloses an outdoor isolating switch, which relates to the field of high-voltage switches, and the key points of the technical proposal of the outdoor isolating switch comprise a base, wherein a first magnetic column and a second magnetic column which are vertically arranged are arranged on the base, and the upper ends of the first magnetic column and the second magnetic column are both provided with conductive contacts; the base is rotatably connected with a first base and a second base, the first magnetic column is fixedly arranged on the first base, and the second magnetic column is fixedly arranged on the second base; a first knife switch is mounted on the first magnetic column, a second knife switch is mounted on the second magnetic column, a turntable is further rotatably connected to the base, a connecting piece is rotatably connected to the turntable, one end of the connecting piece is hinged to the first base, and the other end of the connecting piece is hinged to the second base; the utility model discloses it is more stable firm to have the contact when opening and shutting, and the longer effect of life.

Description

Outdoor isolating switch

Technical Field

The utility model relates to a high tension switchgear field, more specifically say, it relates to an outdoor isolator.

Background

The isolating switch is a switch device which is mainly used for isolating a power supply and switching over, communicating and cutting off a small current circuit and has no arc extinguishing function. When the isolating switch is in the separated position, the contacts have insulation distance meeting the specified requirements and obvious disconnection marks; a switching device capable of carrying current in normal loop conditions and current in abnormal conditions for a specified time when in the closed position. Due to large usage amount and high requirement on working reliability, the influence on the design, the establishment and the safe operation of a substation and a power plant is large.

The chinese patent with publication number CN203055764U in the prior art discloses an outdoor isolating switch, which mainly solves the problem that an elastic clip in the existing isolating switch easily loses elasticity or burns out under the action of an electric arc. The high-voltage switch comprises a mounting seat, an insulator, an input electrode, an output electrode and a switch blade, wherein an elastic clamping piece is arranged on the input electrode, the insulator is fixed on the mounting seat, one end of the switch blade is hinged to the output electrode, an arc striking plate is electrically connected to the input electrode, and the arc striking plate is located below the side of the elastic clamping piece. This outdoor isolator has increased the run-on piece, and when breaking the plug-in strip, electric arc is far away from the elasticity clamping piece, can not exert an influence to the elasticity of elasticity clamping piece, and the run-on board has pulled open electric arc, has protected the elasticity clamping piece, prevents that electric arc from burning out the elasticity clamping piece and causing contact failure, has the reliable and long service life's of electricity connection characteristics.

However, when the switch blade in the above patent is switched on, the switch blade is pushed between the elastic clamping pieces, and the elastic clamping pieces are used to fix the switch blade, so that the elasticity of the elastic clamping pieces is inevitably reduced in a long-term use process, and the switch blade cannot be stably fixed for a long time, and finally the switch blade is difficult to be switched on normally, thereby affecting the normal use of a power supply system.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model provides an outdoor isolator has and enables the plug-in strip contact when opening and shutting more stable firm, and the longer effect of life.

In order to achieve the above purpose, the utility model provides a following technical scheme:

an outdoor isolating switch comprises a base, wherein a first magnetic column and a second magnetic column which are vertically arranged are arranged on the base, and conductive contacts are arranged at the upper ends of the first magnetic column and the second magnetic column; the base is rotatably connected with a first base and a second base, the first magnetic column is fixedly arranged on the first base, and the second magnetic column is fixedly arranged on the second base; install first plug-in strip on the first magnetic column, install the second plug-in strip on the second magnetic column, it is connected with the carousel still to rotate on the base, it is connected with the connecting piece to rotate on the carousel, the one end and the first base of connecting piece are articulated, the other end and the second base of connecting piece are articulated.

By adopting the technical scheme, when the circuit is switched on, the first knife switch and the second knife switch are driven to move towards the direction of mutual folding under the action of the connecting piece only by rotating the turntable on the base; along with the continuous close fit of the first knife switch and the second knife switch, when the first knife switch and the second knife switch rotate to the same horizontal line, the first knife switch and the second knife switch are communicated at the moment; first knife-switch and second knife-switch through adopting the sectional type not only enable the more obvious of disconnection point, enable first knife-switch and second knife-switch to realize synchronous rotation through carousel and connecting rod when closing a floodgate moreover, contact between them is also more stable when closing a floodgate, compare with traditional combined floodgate mode the utility model discloses a life is longer.

The utility model discloses further set up to: the fixed spacing piece that is provided with of one end of first plug-in strip, spacing piece is bilayer structure, the one end that spacing piece is close to the second plug-in strip is formed with the groove of stepping down, the one end of second plug-in strip inserts through the groove of stepping down in the spacing piece, the both ends of second plug-in strip with the inside wall contact of spacing piece, just first plug-in strip is in the coplanar with the second plug-in strip.

By adopting the technical scheme, when the first switch blade and the second switch blade are switched on, the second switch blade slides into the limiting piece through the abdicating groove, and then the second switch blade and the limiting piece are contacted and attached with each other, so that the circuit is switched on; and spacing piece can also carry on spacingly with the second plug-in strip to can avoid the removal of second plug-in strip to make the second plug-in strip more stable when closing a floodgate.

The utility model discloses further set up to: the limiting pieces are bent towards the direction away from each other towards the side wall of one end of the second knife switch.

Through adopting above-mentioned technical scheme, when the one end of second plug-in strip inserted the inslot of stepping down gradually, because the lateral wall of spacing piece is crooked to the direction of keeping away from each other respectively to make the second plug-in strip can be more smooth insert to the inslot of stepping down, avoid the second plug-in strip when changeing over into the condition that is blocked by spacing piece.

The utility model discloses further set up to: the connecting piece comprises a first connecting rod and a second connecting rod which are rotatably connected to the turntable, and the connecting positions of the first connecting rod and the second connecting rod are oppositely arranged and are respectively positioned at two ends of the turntable; the other end of the first connecting rod is hinged to the first base, and the hinged position is located right below the first knife switch; the other end of the second connecting rod is hinged with the second base, and the hinged position is located right below the second knife switch.

By adopting the technical scheme, when the turntable rotates clockwise, the first connecting rod and the second connecting rod respectively drive the first base and the second base to rotate, so that the first switch blade and the second switch blade rotate towards the direction of mutual approaching, and when the first connecting rod and the second connecting rod rotate clockwise to the maximum range, the first switch blade and the second switch blade are connected; on the contrary, when the rotating disc rotates anticlockwise, the first knife switch and the second knife switch move towards the direction away from each other, so that the disconnection of the circuit is realized, and the operation is very convenient.

The utility model discloses further set up to: the limiting groove is formed in the base, the rotary table is located in the limiting groove, the maximum diameter of the limiting groove is larger than the diameter of the rotary table, limiting blocks are arranged at two ends of the rotary table and located on one side of the first connecting rod and one side of the second connecting rod respectively, two clamping blocks which are circumferentially surrounded are formed in the groove wall corresponding to the limiting groove, and one end of each clamping block, facing the adjacent limiting block, is provided with a slot for inserting one end of the limiting block and abutting against the other end of the limiting block.

Through adopting above-mentioned technical scheme, when carrying out clockwise rotation with the carousel, the stopper will remove to the direction that is close to adjacent fixture block gradually, will insert tightly to the slot gradually along with the one end of the continuous rotation stopper of carousel, just can carry out spacing fixed to the maximum moving range of carousel through the cooperation of stopper and slot, the first plug-in strip and the second plug-in strip of this moment just in time are in the state that the intercommunication was closed a floodgate.

The utility model discloses further set up to: the side wall of the tail end of the clamping block, which deviates from the slot, is a plane, the side, facing the adjacent direction, of the limiting block is also a plane, and when the turntable rotates anticlockwise, the tail end of the clamping block is attached to the side wall of the limiting block.

By adopting the technical scheme, when the rotating disc rotates anticlockwise, the first knife switch and the second knife switch are gradually separated, so that the action of switching off is realized; along with the continuous rotation of carousel, when the one end lateral wall of stopper and the terminal lateral wall laminating of fixture block, the terminal just can play spacing effect to the stopper of fixture block, avoids the excessive rotation of carousel.

The utility model discloses further set up to: the carousel is last still to be fixedly provided with the dwang, the dwang perpendicular to the carousel, just the dwang is located and is close to on the lateral wall at carousel border.

Through adopting above-mentioned technical scheme, when needs rotate the carousel and realize the disconnection of first plug-in strip and second plug-in strip, the dwang can provide the impetus for the staff to make the staff more convenient laborsaving when rotating the carousel.

The utility model discloses further set up to: the rotating sleeve is provided with an insulating sleeve along the vertical direction, and the middle barrel body of the insulating sleeve is in an arc shape protruding outwards.

Through adopting above-mentioned technical scheme, insulation support can play insulation protection's effect to can play the protection to the staff in the operation, avoid making the staff take place the danger of electrocuteeing because of breaking down in the circuit.

To sum up, the utility model discloses following beneficial effect has:

when the circuit is switched on, the rotating disc on the base is driven to rotate only through the rotating rod, and when the rotating disc rotates clockwise, the first connecting rod and the second connecting rod respectively drive the first knife switch and the second knife switch to move towards the direction of mutual folding; the second knife switch gradually slides into the limiting sheet through the abdicating groove, then the second knife switch and the limiting sheet are contacted and attached with each other, and when the first knife switch and the second knife switch rotate to the same horizontal line, the first knife switch and the second knife switch are communicated at the moment; first knife-switch and second knife-switch through adopting the sectional type not only enable the more obvious of disconnection point, enable first knife-switch and second knife-switch to realize synchronous rotation through carousel and connecting piece when closing a floodgate moreover, contact between them is also more stable when closing a floodgate, compare with traditional combined floodgate mode the utility model discloses a life is longer.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view showing a partial structure of the position limiting sheet of the present invention;

FIG. 3 is a schematic view showing a partial structure of the turntable of the present invention;

fig. 4 is a schematic view of the present invention showing the partial structure of the slot behind the hidden turntable.

Reference numerals: 1. a base; 2. a first magnetic pillar; 3. a second magnetic pillar; 4. a first base; 5. a second base; 6. a first blade; 7. a second blade; 8. a turntable; 9. a connecting member; 10. a limiting sheet; 11. a yielding groove; 12. a first link; 13. a second link; 14. a limiting groove; 15. a limiting block; 16. a clamping block; 17. a slot; 18. rotating the rod; 19. an insulating sleeve; 20. and a conductive contact.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

As shown in fig. 1, an outdoor isolating switch includes a base 1, a first base 4 and a second base 5 are rotatably connected to an upper end of the base 1, and the first base 4 and the second base 5 are respectively located at two ends of the base 1.

As shown in fig. 1, a first magnetic column 2 is fixedly mounted on the first base 4, a second magnetic column 3 is correspondingly mounted on the second base 5, and the first magnetic column 2 and the second magnetic column 3 are both vertically disposed. The upper ends of the first magnetic column 2 and the second magnetic column 3 are fixedly provided with a conductive contact 20 for connecting a cable, and the upper end of the conductive contact 20 is provided with two mounting holes for the cable to pass through.

As shown in fig. 1 and 2, a first blade 6 and a second blade 7 are fixedly mounted on opposite sides of the first magnetic column 2 and the second magnetic column 3, respectively. The ends of the first blade 6 and the second blade 7, which are far away from each other, are respectively in contact connection with one side of the corresponding conductive contact 20. The first knife switch 6 and the second knife switch 7 are located on the same plane, a limiting piece 10 is fixedly installed at one end, close to the second knife switch 7, of the first knife switch 6, and the limiting piece 10 is of a double-layer structure and is installed on the side walls of the upper end and the lower end of the first knife switch 6 respectively.

As shown in fig. 1 and 2, one end of the stopper 10 close to the second blade 7 penetrates out from one side of the first blade 6, and a relief groove 11 for inserting the second blade 7 is formed in the stopper 10 penetrating out of the first blade 6. The second knife switch 7 is inserted into the limiting piece 10 through the yielding groove 11, and the upper and lower side walls of the second knife switch 7 are respectively contacted with the groove wall corresponding to the yielding groove 11. The side walls of the limiting pieces 10 close to one end of the second knife switch 7 are respectively bent towards the directions away from each other, so that an opening for the second knife switch 7 to be inserted conveniently is formed.

As shown in fig. 1 and 3, a limiting groove 14 is formed in the center of the base 1, the limiting groove 14 is located between the first base 4 and the second base 5, a turntable 8 is further mounted at the center of the limiting groove 14, and the lower end of the turntable 8 is rotatably connected to the base 1. The maximum diameter of the limiting groove 14 is larger than the maximum diameter of the turntable 8, and the lower side wall of the turntable 8 is attached to the lower groove wall of the limiting groove 14.

As shown in fig. 1 and 3, a connecting member 9 for driving the first base 4 and the second base 5 to rotate is installed on the rotary table 8, and the connecting member 9 includes a first connecting rod 12 rotatably connected to the upper end of the rotary table 8 and a second connecting rod 13 oppositely disposed to the first connecting rod 12. The second connecting rod 13 is also rotatably connected to the upper end of the rotary plate 8, and the first connecting rod 12 and the second connecting rod 13 are respectively located at two ends of the rotary plate 8.

As shown in fig. 1 and 3, the other end of the first link 12 is hinged to one end of the first base 4 close to the rotary plate 8, and the other end of the second link 13 is hinged to one end of the second base 5 also close to the rotary plate 8. The first link 12 is hinged to the first base 4 directly below the first blade 6, and the second link 13 is hinged to the second base 5 directly below the second blade 7. And the first blade 6 and the second blade 7 are in a state of being communicated at this time.

As shown in fig. 3 and 4, the two ends of the turntable 8 are both fixedly provided with a limiting block 15, one end of the limiting block 15 is arc-shaped, the limiting block 15 is placed along the groove wall direction of the limiting groove 14, and one end of each of the two limiting blocks 15 faces to the opposite two sides respectively. Two stoppers 15 are located one side of first connecting rod 12 and second connecting rod 13 respectively, have seted up two on the cell wall that spacing groove 14 corresponds and have been arc fixture block 16, and two fixture blocks 16 are circumference and encircle around carousel 8, and fixture block 16 is offered towards the terminal one side of adjacent stopper 15 and supplies the terminal male slot 17 of stopper 15, and when rotating carousel 8 clockwise, the end of stopper 15 will be inserted tightly gradually to the slot 17 in.

As shown in fig. 3 and 4, the end side wall of the clamping block 16 departing from the slot 17 is a plane, and the head side wall of the limiting block 15 is a smooth plane, so that when the turntable 8 rotates counterclockwise, the first knife switch 6 and the second knife switch 7 are gradually separated, and when the head of the limiting block 15 is attached to the end of the corresponding clamping block 16, the turntable 8 can be limited, thereby avoiding excessive rotation of the turntable 8.

As shown in fig. 1 and 3, a rotating rod 18 is fixedly mounted on an upper side wall of the turntable 8, the rotating rod 18 is perpendicular to the turntable 8, and the rotating rod 18 is disposed at a side close to an edge of the turntable 8. Still rotate the cover on the dwang 18 and be vertical insulating sleeve 19 of placing, insulating sleeve 19's middle part stack shell outwards extrudes gradually and forms arc to increase and staff's area of contact.

The specific effects of the embodiment are as follows:

when the circuit is switched on, the rotating disc 8 on the base 1 is driven to rotate only by the rotating rod 18, and when the rotating disc 8 rotates clockwise, the first connecting rod 12 and the second connecting rod 13 respectively drive the first knife switch 6 and the second knife switch 7 to move towards the direction of mutual folding. The second knife switch 7 will slide into the spacing piece 10 gradually through the abdicating groove 11, then the second knife switch 7 and the spacing piece 10 will contact and joint with each other, when the first knife switch 6 and the second knife switch 7 rotate to the same horizontal line, the first knife switch 6 and the second knife switch 7 at this time are communicated. First plug-in strip 6 and second plug-in strip 7 through adopting the sectional type not only enable the more obvious of disconnection point, enable first plug-in strip 6 and second plug-in strip 7 to realize synchronous rotation through carousel 8 and connecting piece 9 when closing a floodgate moreover, contact between the two is also more stable when closing a floodgate, compare with traditional combined floodgate mode the utility model discloses a life is longer.

The above description is only the preferred embodiment of the present invention, and is not intended to limit the present invention, any modification, equivalent replacement, or improvement made within the design concept of the present invention should be included within the protection scope of the present invention.

Claims

1. An outdoor isolating switch comprises a base (1), wherein a first magnetic column (2) and a second magnetic column (3) which are vertically arranged are arranged on the base (1), and conductive contacts (20) are respectively arranged at the upper ends of the first magnetic column (2) and the second magnetic column (3); the method is characterized in that: the base (1) is rotatably connected with a first base (4) and a second base (5), the first magnetic column (2) is fixedly arranged on the first base (4), and the second magnetic column (3) is fixedly arranged on the second base (5); install first plug-in strip (6) on first magnetic column (2), install second plug-in strip (7) on second magnetic column (3), it is connected with carousel (8) still to rotate on base (1), it is connected with connecting piece (9) to rotate on carousel (8), the one end and first base (4) of connecting piece (9) are articulated, the other end and the second base (5) of connecting piece (9) are articulated.

2. An outdoor disconnector according to claim 1, characterized in that: the fixed spacing piece (10) that is provided with of one end of first plug-in strip (6), spacing piece (10) are bilayer structure, the one end that spacing piece (10) are close to second plug-in strip (7) is formed with groove of stepping down (11), the one end of second plug-in strip (7) is inserted through groove of stepping down (11) in spacing piece (10), the both ends of second plug-in strip (7) with the inside wall contact of spacing piece (10), just first plug-in strip (6) are in the coplanar with second plug-in strip (7).

3. An outdoor disconnector according to claim 2, characterized in that: the limiting pieces (10) are bent towards the direction away from each other towards the side wall of one end of the second knife switch (7).

4. An outdoor disconnector according to claim 1, characterized in that: the connecting piece (9) comprises a first connecting rod (12) and a second connecting rod (13) which are rotatably connected to the rotary table (8), and the joints of the first connecting rod (12) and the second connecting rod (13) are oppositely arranged and are respectively positioned at two ends of the rotary table (8); the other end of the first connecting rod (12) is hinged to the first base (4), and the hinged position is located right below the first knife switch (6); the other end of the second connecting rod (13) is hinged with the second base (5), and the hinged position is located right below the second knife switch (7).

5. An outdoor disconnector according to claim 4, characterized in that: the utility model discloses a spacing groove (14) has been seted up on base (1), carousel (8) are located in spacing groove (14), just the maximum diameter of spacing groove (14) is greater than the diameter of carousel (8), the both ends of carousel (8) all are provided with stopper (15), two stopper (15) are located one side of first connecting rod (12) and second connecting rod (13) respectively, set up two fixture blocks (16) that are circumference and encircle on the cell wall that spacing groove (14) correspond, the confession has been seted up towards the one end of adjacent stopper (15) to fixture block (16) the one end of stopper (15) is inserted and is supported tight slot (17).

6. An outdoor disconnector according to claim 5, characterized in that: the terminal lateral wall that fixture block (16) deviates from slot (17) is the plane, stopper (15) orientation is adjacent one side at the terminal of fixture block (16) is the plane equally, will when carousel (8) carry out anticlockwise rotation, the terminal of fixture block (16) will with the lateral wall laminating of stopper (15).

7. An outdoor disconnector according to claim 1, characterized in that: still fixedly on carousel (8) be provided with dwang (18), dwang (18) perpendicular to carousel (8), just dwang (18) are located and are close to on the lateral wall at carousel (8) border.

8. An outdoor disconnector according to claim 7, characterized in that: the rotating sleeve is equipped with insulation support (19) on dwang (18), insulation support (19) set up along vertical direction, just the middle part stack shell of insulation support (19) is the arc of outside salient.