CN213660276U - Isolating switch - Google Patents
Isolating switch Download PDFInfo
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- CN213660276U CN213660276U CN202022648127.8U CN202022648127U CN213660276U CN 213660276 U CN213660276 U CN 213660276U CN 202022648127 U CN202022648127 U CN 202022648127U CN 213660276 U CN213660276 U CN 213660276U
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Abstract
The utility model relates to the technical field of electrical switching equipment, and provides an isolating switch, which comprises a fixed seat, a first insulator, a second insulator, a first insulator and a second insulator which are fixed on the fixed seat at a certain distance; the insulation device is characterized by further comprising an incoming line contact, an outgoing line contact and an isolation knife board, wherein the incoming line contact is fixed at the top end of the first insulator, the outgoing line contact is fixed at the top end of the second insulator, one end of the isolation knife board is abutted against the incoming line contact, and the other end of the isolation knife board is hinged with the outgoing line contact; the first insulator comprises a first insulating main body, a first connecting end is arranged at the top end of the first insulating main body and connected with the incoming line contact, the second insulator comprises a second insulating main body, a second connecting end is arranged at the top end of the second insulating main body and connected with the outgoing line contact, and the problem that the insulating main body in the isolating switch in the related art is easily damaged due to the influence of impact forces such as vibration is solved through the structure.
Description
Technical Field
The utility model relates to an electrical switching equipment technical field, it is specific, relate to an isolator.
Background
The isolating switch is an electrical device used for switching on and off a no-load or light-load circuit, converting an operation mode and isolating and repairing equipment in a power system. When the switch is switched on, normal load current can pass for a long time and short-circuit fault current can pass for a short time; when the brake is opened, there is an obvious disconnection point for easy maintenance and protection. Isolator installs on 3 to 4 meters wire pole apart from ground handstand usually, and the staff stands and catches on the pull ring at the handheld insulating hook stick in ground and operates during divide-shut brake, and this just causes a problem, and the insulator is damaged very easily owing to receive the influence of impact forces such as vibration, has caused danger on one hand, influences isolator's normal use on the other hand.
SUMMERY OF THE UTILITY MODEL
The utility model provides an isolator has solved the insulator among the isolator among the correlation technique and has received the problem of damage easily by the influence of impact forces such as vibration.
The technical scheme of the utility model as follows:
an isolating switch comprises a fixed seat, a first insulator, a second insulator, a first insulating body and a second insulating body, wherein the first insulating body and the second insulating body are fixed on the fixed seat at a certain interval; the insulation structure is characterized by further comprising an incoming line contact, an outgoing line contact and an isolation knife board, wherein the incoming line contact is fixed at the top end of the first insulator, the outgoing line contact is fixed at the top end of the second insulator, one end of the isolation knife board is abutted to the incoming line contact, and the other end of the isolation knife board is hinged to the outgoing line contact;
the first insulator comprises a first insulating main body, a first connecting end is arranged at the top end of the first insulating main body, and the first connecting end is connected with the incoming line contact;
the second insulator comprises a second insulating main body, a second connecting end is arranged at the top end of the second insulating main body, and the second connecting end is connected with the outgoing line contact.
Optionally, the first connection end comprises
The first connecting column is arranged at the top end of the first insulating main body and comprises a first cylindrical part (231) and a first diamond column part, and the first diamond column part is inserted into the top end of the first insulating main body;
the insulating buffer piece is arranged at the top end of the first insulating main body and surrounds the first prism part;
the second connecting end comprises
A second connecting column arranged at the top end of the second insulating main body and comprising a second cylindrical part and a second prism part,
and the insulating buffer piece is arranged at the top end of the second insulating main body and surrounds the second prism part.
Optionally, a plurality of fixing portions are arranged on each of the first prism portion and the second prism portion, and the fixing portions protrude from the surfaces of the first prism portion and the second prism portion.
Optionally, the mobile phone further comprises an auxiliary contact, which is arranged on the incoming line contact and comprises a bottom surface, a first surface and a second surface, wherein the first surface and the second surface are perpendicular to the bottom surface, and the bottom surface is connected with the incoming line contact;
when the isolating switch is closed, the isolating knife plate is contacted with the auxiliary contact head;
when the isolating switch is opened, the isolating knife board is separated from the auxiliary contact head.
Optionally, the method may be characterized in that,
the bottom end of the first insulating main body is provided with the first connecting column and the insulating buffer piece, and the insulating buffer piece surrounds the first connecting column;
the bottom end of the second insulation main body is provided with the second connecting column and the insulation buffer piece, and the insulation buffer piece surrounds the second connecting column.
Optionally, the side edge of the fixing seat is bent upwards to form an installation flange, and an installation hole is formed in the installation flange.
Optionally, the isolating blade comprises
A first plate, two ends of which are respectively hinged with the incoming line contact and the outgoing line contact,
a second plate, both ends of which are respectively hinged with the incoming line contact and the outgoing line contact,
a bolt provided between the first plate and the second plate for connecting the first plate and the second plate,
and the torsion spring is sleeved on the bolt, one end of the torsion spring is abutted against the head of the bolt, the other end of the torsion spring is abutted against the first plate or the second plate, and the torsion spring is used for compressing the first plate or the second plate.
The utility model discloses a theory of operation and beneficial effect do:
the utility model provides an isolating switch, which comprises a fixed seat, a first insulator, a second insulator, a first insulator and a second insulator which are fixed on the fixed seat at a certain distance; the insulation device is characterized by further comprising an incoming line contact, an outgoing line contact and an isolation knife board, wherein the incoming line contact is fixed at the top end of the first insulator, the outgoing line contact is fixed at the top end of the second insulator, one end of the isolation knife board is abutted against the incoming line contact, and the other end of the isolation knife board is hinged with the outgoing line contact; the first insulator comprises a first insulating main body, a first connecting end is arranged at the top end of the first insulating main body, and the first connecting end is connected with the incoming line contact, so that the condition that the first insulating main body is damaged due to impact force in the action process of the isolating knife board is effectively reduced; the second insulator comprises a second insulating main body, a second connecting end is arranged at the top end of the second insulating main body, and the second connecting end is connected with the outgoing line contact, so that the condition that the first insulating main body is damaged due to impact force in the action process of the isolating knife board is effectively reduced; such a structure solves the problem that the insulating body in the isolating switch in the related art is easily damaged due to the influence of impact force such as vibration.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic view of a main structure of the isolating switch of the present invention;
fig. 2 is a schematic view of the isolating switch of the present invention;
fig. 3 is a schematic structural view of the auxiliary contact of the present invention;
fig. 4 is a schematic structural view of the first connecting post of the present invention;
in the figure:
the mounting structure comprises a fixed seat 1, a mounting flange 11, a mounting hole 111, a first insulator 2, a first insulating main body 21, a first connecting end 22, a first connecting post 23, a first cylindrical part 231, a first prism part 232, a fixing part 233, a second insulator 3, a second insulating main body 31, a second connecting end 32, a wire inlet contact 4, a wire outlet contact 5, a first plate 61, a bolt 62, an auxiliary contact 7, a bottom surface 71, a first surface 72 and a second surface 73.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive work, are related to the scope of the present invention.
An isolating switch comprises a fixed seat 1, a first insulator 2 and a second insulator 3, wherein the first insulator 2 and the second insulator 3 are fixed on the fixed seat 1 at a certain distance; the insulation structure is characterized by further comprising a wire inlet contact 4, a wire outlet contact 5 and an isolation knife board, wherein the wire inlet contact 4 is fixed at the top end of the first insulator 2, the wire outlet contact 5 is fixed at the top end of the second insulator 3, one end of the isolation knife board is abutted to the wire inlet contact 4, and the other end of the isolation knife board is hinged to the wire outlet contact 5;
the first insulator 2 comprises a first insulating main body 21, a first connection end 22 is arranged at the top end of the first insulating main body 21, and the first connection end 22 is connected with the incoming line contact 4;
the second insulator 3 comprises a second insulating main body 31, a second connecting end 32 is arranged at the top end of the second insulating main body 31, and the second connecting end 32 is connected with the outgoing line contact 5.
In the embodiment of the present invention, it should be noted that the shell of the first insulating main body 21 is made of ceramic, and the first connection end 22 extends out of the first insulating main body 21 and is connected to the incoming line contact 4, so that the damage of the first insulating main body 21 due to impact force during the operation of the isolating blade is effectively reduced;
the same material as the second insulator 3 is adopted for the shell of the second insulating main body 31, and the second connecting end 32 extends out of the second insulating main body 31 and is connected with the outgoing line contact 5, so that the condition that the second insulating main body 31 is damaged due to impact force in the process of isolating the knife board action is effectively reduced.
Optionally, the first connection end 22 comprises
A first connecting post 23 disposed at the top end of the first insulating body 21, including a first cylindrical portion (231)231 and a first prism portion 232, the first prism portion 232 being inserted into the top end of the first insulating body 21;
an insulating buffer member disposed at the top end of the first insulating main body 21 and surrounding the first prism portion 232;
the second connection end 32 comprises
A second connecting column, which is arranged at the top end of the second insulating main body 31 and comprises a second cylindrical part and a second prism part,
and the insulating buffer piece is arranged at the top end of the second insulating main body 31 and surrounds the second prism part.
In the embodiment of the present invention, since the second connection column has the same structure as the first connection column 23, the first connection column 23 is taken as an example for description, specifically, a cavity is disposed at the top end of the first insulation main body 21, an insulation buffer is filled in the cavity and wraps the first connection column 23, specifically, the first connection column 23 includes a first cylindrical portion (231)231 and a first prism portion 232, and a part or all of the first prism portion 232 is inserted into the insulation buffer, so that the torsion resistance and the bending resistance of the first connection column 23 can be increased, and the first connection column 23 is not easy to rotate in the insulation component, so that the first connection column is firmer. Further, a first cylindrical portion (231)231 protrudes from the top end of the first insulating body 21. In an alternative embodiment, the insulating bumper is cement.
Optionally, a plurality of fixing portions 233 are disposed on each of the first prism portion 232 and the second prism portion, and the fixing portions 233 protrude from the surfaces of the first prism portion 232 and the second prism portion.
In the embodiment of the present invention, since the first prism portion 232 and the second prism portion have the same structure, taking the first prism portion 232 as an example for illustration, the first prism portion 232 is inserted into the insulating buffer member, in order to increase the contact area between the first prism portion 232 and the insulating buffer member, so as to make the structure of the insulating buffer member firmer and the torsion and bending resistance of the insulating buffer member better, a plurality of fixing portions 233 are disposed on the surface of the prism portion, in an optional embodiment, the fixing portions 233 are strip-shaped protrusions, and the plurality of strip-shaped protrusions are arranged around the prism portion.
Optionally, the device further comprises an auxiliary contact 7, which is arranged on the incoming contact 4 and comprises a bottom surface 71, and a first surface 72 and a second surface 73 perpendicular to the bottom surface 71, wherein the bottom surface 71 is connected with the incoming contact 4;
when the isolating switch is closed, the isolating knife board is contacted with the auxiliary contact head 7;
when the isolating switch is opened, the isolating knife plate is separated from the auxiliary contact head 7.
In the embodiment of the present invention, it should be noted that the circuit conduction of the disconnecting switch is realized by conducting the incoming line contact 4 and the outgoing line contact 5 through the disconnecting switch, so that the disconnecting switch and the two contacts must be in sufficient contact to ensure the conduction of the current therebetween. In this embodiment, the auxiliary contact 7 is added to replace a conventional direct support conductive structure, specifically, the auxiliary contact 7 includes a bottom surface 71 and a first surface 72 and a second surface 73 perpendicular to the bottom surface 71, when the isolation switch is closed, the isolation knife board is in contact with the auxiliary contact 7, and the design of the three surfaces increases the contact area and the contact probability of the isolation switch and the contact, thereby further ensuring the stability of electrical connection.
Optionally, the first connection pillar 23 and the insulating buffer are disposed at the bottom end of the first insulating main body 21, and the insulating buffer surrounds the first connection pillar 23;
the bottom end of the second insulating main body 31 is provided with the second connecting column and the insulating buffer member, and the insulating buffer member surrounds the second connecting column.
In the embodiment of the present invention, since the second connection column disposed at the bottom end of the second insulating main body 31 is the same as the first connection column 23 disposed at the bottom end of the first insulating main body 21, taking the first connection column 23 as an example for description, the bottom end of the first insulating main body 21 is provided with a cavity, an insulating buffer is filled in the cavity and wraps the first connection column 23, and specifically, a part or all of the first prism part 232 is inserted into the insulating buffer, so that the torsion resistance and the bending resistance of the first connection column 23 can be increased, and the first connection column is not easy to rotate in the insulating part, so that the first connection column is firmer. Further, the first cylindrical portion (231)231 protrudes from the bottom end of the first insulating main body 21 and is connected to the fixing base 1, so that the first connecting column 23 and the insulating buffer member are disposed between the fixing base 1 and the first insulating main body 21, thereby effectively reducing the probability of breakage of the first insulating ground due to impact. In an alternative embodiment, the insulating bumper is cement.
Optionally, the side edge of the fixing seat 1 is bent upward to form an installation flange 11, and an installation hole 111 is formed in the installation flange 11.
In the embodiment of the invention, the fixed seat 1 is used for fixing the disconnecting switch to relevant equipment. Specifically, as shown in the figure, fixing base 1 has installation bottom surface 71 and hangs down to constitute with the side of installation bottom surface 71, and the side upwards buckles and forms installation turn-ups 11, is equipped with mounting hole 111 on the installation turn-ups 11, and such structure makes fixing base 1's holistic structural strength improve greatly, through the setting of installation turn-ups 11, not only provides the mounted position for the installation of isolator seat, and simultaneously, has still improved the structural strength of fixing base 1 who is used for bearing isolator.
Optionally, the isolating blade comprises
A first plate 61, both ends of which are respectively hinged with the incoming line contact 4 and the outgoing line contact 5,
a second plate, two ends of which are respectively hinged with the incoming line contact 4 and the outgoing line contact 5,
a bolt 62 provided between the first plate 61 and the second plate for connecting the first plate 61 and the second plate,
and the torsion spring is sleeved on the bolt 62, one end of the torsion spring is abutted to the head of the bolt 62, and the other end of the torsion spring is abutted to the first plate 61 or the second plate and is used for pressing the first plate 61 or the second plate.
In the embodiment of the present invention, the torsion spring makes the connection between the bolt 62 and the first plate 61 and the second plate more stable.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. An isolating switch comprises a fixed seat (1), a first insulator (2), a second insulator (3), and a first insulator (2) and a second insulator (3) which are fixed on the fixed seat (1) at intervals; the wire-leading-in contact (4), the wire-leading-out contact (5) and the isolation knife board are further included, the wire-leading-in contact (4) is fixed to the top end of the first insulator (2), the wire-leading-out contact (5) is fixed to the top end of the second insulator (3), one end of the isolation knife board is abutted to the wire-leading-in contact (4), and the other end of the isolation knife board is hinged to the wire-leading-out contact (5); it is characterized in that the preparation method is characterized in that,
the first insulator (2) comprises a first insulating main body (21), a first connecting end (22) is arranged at the top end of the first insulating main body (21), and the first connecting end (22) is connected with the incoming line contact (4);
the second insulator (3) comprises a second insulating main body (31), a second connecting end (32) is arranged at the top end of the second insulating main body (31), and the second connecting end (32) is connected with the outgoing line contact (5).
2. The disconnector according to claim 1, characterized in that the first connection terminal (22) comprises
A first connecting post (23) disposed at a top end of the first insulating body (21), including a first cylindrical portion (231) and a first prism portion (232), the first prism portion (232) being inserted into the top end of the first insulating body (21);
the insulating buffer piece is arranged at the top end of the first insulating main body (21) and surrounds the first prism part (232);
the second connection end (32) comprises
A second connecting column arranged at the top end of the second insulating main body (31) and comprising a second cylindrical part and a second prism part,
and the insulating buffer piece is arranged at the top end of the second insulating main body (31) and surrounds the second prism part.
3. The isolating switch according to claim 2, wherein a plurality of fixing portions (233) are arranged on each of the first prism portion (232) and the second prism portion, and the fixing portions (233) protrude from the surfaces of the first prism portion (232) and the second prism portion.
4. The disconnector according to claim 1, further comprising an auxiliary contact (7) arranged on the incoming contact (4) and comprising a bottom surface (71), and a first face (72) and a second face (73) perpendicular to the bottom surface (71), the bottom surface (71) being connected to the incoming contact (4);
when the isolating switch is closed, the isolating knife board is contacted with the auxiliary contact head (7);
when the isolating switch is opened, the isolating knife board is separated from the auxiliary contact head (7).
5. A disconnector according to any of claims 2 or 3,
the bottom end of the first insulating main body (21) is provided with the first connecting column (23) and the insulating buffer piece, and the insulating buffer piece surrounds the first connecting column (23);
the bottom end of the second insulating main body (31) is provided with the second connecting column and the insulating buffer piece, and the insulating buffer piece surrounds the second connecting column.
6. The isolating switch according to claim 1, wherein the side edge of the fixed base (1) is bent upwards to form a mounting flange (11), and the mounting flange (11) is provided with a mounting hole (111).
7. The isolation switch of claim 1, wherein the isolation blade comprises
A first plate (61), two ends of which are respectively hinged with the incoming line contact (4) and the outgoing line contact (5),
a second plate, two ends of which are respectively hinged with the incoming line contact (4) and the outgoing line contact (5),
a bolt (62) provided between the first plate (61) and the second plate for connecting the first plate (61) and the second plate,
and the torsion spring is sleeved on the bolt (62), one end of the torsion spring is abutted against the head of the bolt (62), the other end of the torsion spring is abutted against the first plate (61) or the second plate, and the torsion spring is used for pressing the first plate (61) or the second plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022648127.8U CN213660276U (en) | 2020-11-16 | 2020-11-16 | Isolating switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022648127.8U CN213660276U (en) | 2020-11-16 | 2020-11-16 | Isolating switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213660276U true CN213660276U (en) | 2021-07-09 |
Family
ID=76684544
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022648127.8U Active CN213660276U (en) | 2020-11-16 | 2020-11-16 | Isolating switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213660276U (en) |
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2020
- 2020-11-16 CN CN202022648127.8U patent/CN213660276U/en active Active
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