CN213212027U

CN213212027U - Isolating switch

Info

Publication number: CN213212027U
Application number: CN202022180576.4U
Authority: CN
Inventors: 徐如广
Original assignee: Boshida Group Co ltd
Current assignee: Boshida Group Co ltd
Priority date: 2020-09-29
Filing date: 2020-09-29
Publication date: 2021-05-14
Anticipated expiration: 2030-09-29

Abstract

The utility model discloses an isolating switch, which comprises a supporting mechanism, a communicating mechanism, a pull rod insulator and a knife switch mechanism; the communicating mechanism is rotatably connected to the upper part of one end of the supporting mechanism, the knife switch mechanism is rotatably connected to the upper part of the other end of the supporting mechanism, and the knife switch mechanism is connected with the upper end of the pull rod insulator; the supporting mechanism is provided with a linkage structure connected with the pull rod insulator and the communicating mechanism, and external driving force is transmitted through the linkage structure to drive the knife switch mechanism and the communicating mechanism to be close to each other or be far away from each other. The utility model discloses when using for intercommunication mechanism and plug-in strip mechanism can realize the quickly separating, avoids the not in place condition of separation to appear, and can carry out comprehensive protection to conductive terminal, avoids being damaged in the use, can make conductive terminal and electrically conductive port contact inseparabler simultaneously, improves the device's reliability.

Description

Isolating switch

Technical Field

The utility model relates to an electrical equipment technical field especially relates to an isolator.

Background

An isolating switch is a switching device used for isolating a power supply, switching operation, and connecting or disconnecting a small current circuit. When the isolating switch is in the opening position, an insulation distance meeting the specified requirements and an obvious disconnection mark are arranged between the static contact and the moving contact; when the isolating switch is in the closing position, the switch equipment can bear the current under the normal loop condition and the current under the abnormal condition within the specified time. The reliability of the isolating switch plays a vital role in the design, establishment and safe operation of a substation and a power plant.

However, the conventional disconnecting switch requires a large distance between insulators, so that the length of the knife switch is long, an operating mechanism is required to output large torque, the condition that the opening and closing are not in place often occurs, and the conductive terminal is exposed in the air for a long time and is easily damaged, so that the conductive performance of the disconnecting switch is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the present invention is directed to provide an isolating switch, which can achieve the rapid and sufficient separation of the knife switch, and can protect the conductive terminal when the knife switch is in the closed state.

The technical scheme of the utility model as follows: an isolating switch comprises a supporting mechanism, a communicating mechanism, a pull rod insulator and a knife switch mechanism;

the communicating mechanism is rotatably connected to the upper part of one end of the supporting mechanism, the knife switch mechanism is rotatably connected to the upper part of the other end of the supporting mechanism, and the knife switch mechanism is connected with the upper end of the pull rod insulator;

the supporting mechanism is provided with a linkage structure connected with the pull rod insulator and the communicating mechanism, and external driving force is transmitted through the linkage structure to drive the knife switch mechanism and the communicating mechanism to be close to each other or be far away from each other.

Further, supporting mechanism is including supporting the base and fixing support first post insulator on the base, the fixed welding of first post insulator top surface has first outlet plate, support base top surface center and seted up scarce groove, lack the inside one end of groove and rotate through being provided with the rotation coupling and be connected with first rotation connecting rod, first rotation connecting rod end rotate connect in pull rod insulator bottom, the rotation coupling is in it has the drive connecting rod to support the outside fixed cup joint in one side of base, lack the groove and keeping away from first post insulator one end bilateral symmetry has seted up the connecting hole, drive connecting rod end-to-end connection has drive arrangement.

Further, the feed mechanism includes second post insulator and rotating base, second post insulator fixed weld in rotating base top surface center, the protruding pivot that has in the both sides about the rotating base, rotating base passes through the rotation axis rotate connect in inside the connecting hole, the fixed cover in rotation axis one side has connect the third and rotates the connecting rod, the third rotates the end-to-end rotation of connecting rod and is connected with the fourth and rotates the connecting rod, the fourth rotates the end-to-end rotation of connecting rod and is connected with the second and rotates the connecting rod.

Furthermore, a second wire outgoing plate is fixedly welded at the top end of the second post insulator, a conductive terminal protrudes from the center of the top surface of the second wire outgoing plate, an enclosure plate is welded on the periphery of the conductive terminal on the top surface of the second wire outgoing plate, and an inclined notch is formed in one side of the top end of the enclosure plate.

Furthermore, the third rotating connecting rod is located on one side, far away from the driving connecting rod, of the outer portion of the supporting base, and the second rotating connecting rod is fixedly sleeved at one end of the rotating coupling.

Further, the knife switch mechanism includes the knife switch blade, the knife switch blade end rotate connect in first outlet plate top, the protruding runing rest that has in knife switch blade bottom surface one side, the runing rest rotate connect in the pull rod insulator top, the oblique breach has been seted up to knife switch blade one end, electrically conductive port has been seted up to oblique breach bottom surface.

Furthermore, the conductive port is matched with the conductive terminal, and the inclined notch is matched with the inclined notch.

Compared with the prior art, the beneficial effects of the utility model are as follows:

(1) through being provided with rotating base, second rotation connecting rod, third rotation connecting rod and fourth rotation connecting rod and cooperate for when rotating shaft coupling drive plug-in strip mechanism and breaking away from the communicating mechanism top, make the second outlet plate can be to keeping away from plug-in strip mechanism direction removal simultaneously, make communicating mechanism and plug-in strip mechanism can realize the quickly separating, avoid the condition appearance that the separation is not in place.

(2) Through being provided with oblique breach, oblique notch and the apron and cooperate for conductive terminal can be surrounded by apron and plug blade when connecting, makes conductive terminal can be protected comprehensively, avoids being damaged in the use, improves the device's reliability, can make conductive terminal and conductive port contact inseparabler simultaneously, avoids meetting the unexpected condition that bad weather appears breaking away from.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

In order to illustrate the embodiments of the present invention or the technical solutions in the prior art more clearly, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive work:

fig. 1 is a front schematic view of the present invention;

fig. 2 is a schematic structural view of the back side of the present invention;

fig. 3 is a schematic structural diagram of the supporting mechanism of the present invention;

fig. 4 is a schematic structural view of the communicating mechanism of the present invention;

fig. 5 is a schematic structural view of the knife mechanism of the present invention.

Reference numerals:

1. a support mechanism; 101. a support base; 102. notching; 103. a first post insulator; 104. a first outlet plate; 105. a rotating shaft coupling; 106. a first rotating link; 107. a drive link; 108. connecting holes; 2. a communicating mechanism; 201. a second post insulator; 202. rotating the base; 203. a rotating shaft; 204. a second outlet plate; 205. a surrounding baffle plate; 206. a beveled slot opening; 207. a conductive terminal; 208. a second rotating link; 209. a third rotating link; 210. a fourth rotating link; 3. a pull rod insulator; 4. a knife switch mechanism; 401. a blade; 402. an oblique notch; 403. a conductive port; 404. the support is rotated.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "inner", "outer", "vertical", "circumferential", 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 simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the description of the present invention, "the first feature" and "the second feature" may include one or more of the features. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.

An isolator according to an embodiment of the present invention is described below with reference to the accompanying drawings, including a support mechanism 1, a communication mechanism 2, a pull rod insulator 3, and a blade mechanism 4;

the communicating mechanism 2 is rotatably connected to the upper part of one end of the supporting mechanism 1, the knife switch mechanism 4 is rotatably connected to the upper part of the other end of the supporting mechanism 1, and the knife switch mechanism 4 is connected with the upper end of the pull rod insulator 3;

the supporting mechanism 1 is provided with a linkage structure connected with the pull rod insulator 3 and the communicating mechanism 2, and external driving force is transmitted through the linkage structure to drive the knife switch mechanism 4 and the communicating mechanism 2 to be close to each other or be away from each other.

As shown in fig. 3, the supporting mechanism 1 includes a supporting base 101 and a first post insulator 103 fixed on the supporting base 101, a first wire outgoing plate 104 is fixedly welded on the top surface of the first post insulator 103, a notch 102 is formed in the center of the top surface of the supporting base 101, a first rotating connecting rod 106 is rotatably connected to one end inside the notch 102 through a rotating coupling shaft 105, the end of the first rotating connecting rod 106 is rotatably connected to the bottom end of the pull rod insulator 3, the rotating coupling shaft 105 is fixedly connected to one side of the outside of the supporting base 101 through a driving connecting rod 107, the notch 102 is far away from a connecting hole 108 is symmetrically formed in one end of the first post insulator 103, and the end of the driving connecting rod 107 is connected with a driving device.

As shown in fig. 4, the communicating mechanism 2 includes a second post insulator 201 and a rotary base 202, the second post insulator 201 is fixedly welded at the center of the top surface of the rotary base 202, a rotary shaft 203 protrudes from the left and right sides of the rotary base 202, the rotary base 202 is connected to the inside of the connecting hole 108 through the rotation of the rotary shaft 203, a third rotary connecting rod 209 is fixedly connected to one side of the rotary shaft 203, the end of the third rotary connecting rod 209 is rotatably connected to a fourth rotary connecting rod 210, and the end of the fourth rotary connecting rod 210 is rotatably connected to a second rotary connecting rod 208.

As shown in fig. 4, a second outlet plate 204 is fixedly welded at the top end of the second post insulator 201, a conductive terminal 207 is protruded from the center of the top surface of the second outlet plate 204, a baffle plate 205 is welded on the top surface of the second outlet plate 204 at the periphery of the conductive terminal 207, and an inclined notch 206 is formed in one side of the top end of the baffle plate 205.

As shown in fig. 4, the third rotating link 209 is located outside the supporting base 101 on a side away from the driving link 107, and the second rotating link 208 is fixedly sleeved on one end of the rotating coupling 105.

As shown in fig. 5, the knife switch mechanism 4 includes a knife switch blade 401, the end of the knife switch blade 401 is rotatably connected to the top end of the first wire outlet plate 104, a rotating bracket 404 is protruded from one side of the bottom surface of the knife switch blade 401, the rotating bracket 404 is rotatably connected to the top end of the pull rod insulator 3, an inclined notch 402 is formed at one end of the knife switch blade 401, and a conductive port 403 is formed at the bottom surface of the inclined notch 402.

As shown in fig. 1, the conductive port 403 is matched with the conductive terminal 207, and the inclined notch 402 is matched with the inclined notch 206, so that the conductive port 403 is in close contact with the conductive terminal 207.

Specifically, when the device is used, firstly, a driving device is connected to the end of the driving connecting rod 107, when power is needed to be cut off, the driving device can drive the driving connecting rod 107 to rotate, and simultaneously drive the rotating coupling 105 to rotate, and simultaneously drive the first rotating connecting rod 106 to rotate around the rotating coupling 105, so that the pull rod insulator 3 is pushed upwards, and simultaneously the knife switch mechanism 4 is pushed upwards, and simultaneously the rotating coupling 105 drives the second rotating connecting rod 208 to rotate, so that the end of the second rotating connecting rod 208 is lifted upwards, and further the fourth rotating connecting rod 210 can rotate relative to the second rotating connecting rod 208, and simultaneously the fourth rotating connecting rod 210 can push the third rotating connecting rod 209 to rotate, and further drive the rotating shaft 203 to rotate, and thus the rotation of the rotating base 202 and the second support insulator 201 can be realized, and the second outlet plate 204 is separated from the top end 401 of the knife switch blade, the knife switch mechanism 4 and the communicating mechanism 2 can be quickly separated, so that the separation is more in place;

secondly, when the circuit needs to be connected again, the driving device can drive the driving connecting rod 107 to rotate reversely, so that the driving connecting rod 107 drives the rotating shaft coupling 105 to rotate reversely, the tail end of the blade 401 and the second wire outlet plate 204 are driven to approach each other, meanwhile, in the contact process, the inclined notch 402 is clamped into the bottom surface of the inclined notch 206 along the inclined opening of the bottom surface of the inclined notch, so that the conductive terminal 207 contacts the bottom surface of the conductive port 403, meanwhile, the conductive terminal 207 can be surrounded by the surrounding baffle plate 205 and the blade 401 in a matched mode, the conductive terminal 207 is prevented from being damaged after being exposed in the air for a long time, the reliability of the device is improved, and meanwhile, the conductive terminal 207 and.

Claims

1. A disconnector, comprising: the device comprises a supporting mechanism (1), a communicating mechanism (2), a pull rod insulator (3) and a knife switch mechanism (4);

the communicating mechanism (2) is rotatably connected to the upper part of one end of the supporting mechanism (1), the knife switch mechanism (4) is rotatably connected to the upper part of the other end of the supporting mechanism (1), and the knife switch mechanism (4) is connected with the upper end of the pull rod insulator (3);

the supporting mechanism (1) is provided with a linkage structure connected with the pull rod insulator (3) and the communicating mechanism (2), and external driving force is transmitted through the linkage structure to drive the knife switch mechanism (4) and the communicating mechanism (2) to be close to each other or be far away from each other;

the supporting mechanism (1) comprises a supporting base (101) and a first post insulator (103) fixed on the supporting base (101), a first outlet plate (104) is fixedly welded on the top surface of the first post insulator (103), a notch (102) is arranged in the center of the top surface of the supporting base (101), one end in the notch (102) is rotatably connected with a first rotating connecting rod (106) through a rotating coupling (105), the tail end of the first rotating connecting rod (106) is rotatably connected to the bottom end of the pull rod insulator (3), a driving connecting rod (107) is fixedly sleeved on one side of the rotating coupling (105) outside the supporting base (101), connecting holes (108) are symmetrically formed in two sides of one end, far away from the first pillar insulator (103), of the notch (102), and the tail end of the driving connecting rod (107) is connected with a driving device.

2. The isolating switch of claim 1, wherein: the utility model discloses a connection structure, including connecting rod (210) and connecting rod (208), connecting mechanism (2) include second post insulator (201) and rotating base (202), second post insulator (201) fixed weld in rotating base (202) top surface center, the protruding rotation axis (203) that has of rotating base (202) left and right sides, rotating base (202) pass through rotation axis (203) rotate connect in connecting hole (108) are inside, the fixed cover in rotation axis (203) one side has third rotation connecting rod (209), third rotation connecting rod (209) end rotates and is connected with fourth rotation connecting rod (210), fourth rotation connecting rod (210) end rotates and is connected with second rotation connecting rod (208).

3. The disconnector of claim 2, wherein: second post insulator (201) top fixed welding has second outlet plate (204), second outlet plate (204) top surface center arch has conductive terminal (207), second outlet plate (204) top surface is in conductive terminal (207) periphery welding has enclosure board (205), inclined notch (206) have been seted up to enclosure board (205) top one side.

4. A disconnector according to claim 3, characterized in that: the third rotating connecting rod (209) is positioned on one side of the outside of the supporting base (101) far away from the driving connecting rod (107), and the second rotating connecting rod (208) is fixedly sleeved at one end of the rotating coupling (105).

5. A disconnector according to claim 3, characterized in that: knife switch mechanism (4) include knife switch blade (401), knife switch blade (401) end rotate connect in first outlet plate (104) top, knife switch blade (401) bottom surface one side is protruding to have runing rest (404), runing rest (404) rotate connect in pull rod insulator (3) top, oblique shape breach (402) have been seted up to knife switch blade (401) one end, electrically conductive port (403) have been seted up to oblique shape breach (402) bottom surface.

6. The isolating switch of claim 5, wherein: the conductive port (403) is matched with the conductive terminal (207), and the inclined notch (402) is matched with the inclined notch (206).