CN218241675U

CN218241675U - Isolating switch convenient to use

Info

Publication number: CN218241675U
Application number: CN202121847657.3U
Authority: CN
Inventors: 陈建波
Original assignee: Jiangxi Guheng Technology Co ltd
Current assignee: Jiangxi Guheng Technology Co ltd
Priority date: 2021-08-09
Filing date: 2021-08-09
Publication date: 2023-01-06
Anticipated expiration: 2031-08-09

Abstract

The utility model discloses an isolator convenient to use, which comprises an outer shell, shell left side upper portion is provided with the spout, the inside sliding connection of spout has the pull rod, the pull rod lower part is provided with the gag lever post, the gag lever post upper end is provided with pressure spring, shell left side middle part is rotated and is connected with the stopper, the gag lever post right side is provided with the spacing groove, the stopper lower part is provided with the slide bar, the slide bar lower extreme rotates and is connected with the spring leaf, the one end that the slide bar was kept away from to the spring leaf rotates and is connected with the fixed block, the inboard sliding connection of slide bar has the slider, slider rear end fixedly connected with straight-bar, the straight-bar right-hand member is provided with the movable contact. The utility model discloses in, through the extrusion second card strip, can install the casing on the guide rail fast, convenient and fast blocks into the spacing groove through the gag lever post, can effectively prevent to miss combined floodgate, is worth wideling popularize.

Description

Isolating switch convenient to use

Technical Field

The utility model relates to a circuit overhauls technical field, especially relates to a isolator convenient to use.

Background

The isolating switch is a switching device which is mainly used for isolating a power supply and switching operation and connecting and cutting off a small current circuit and has no arc extinguishing function, and when the isolating switch is in a separated position, an insulation distance meeting the specified requirement and an obvious disconnection mark are arranged between contacts; when the switch is closed, the switch equipment capable of bearing the current under the normal loop condition and the current under the abnormal condition (such as short circuit) within the specified time is generally used as a high-voltage isolating switch, namely an isolating switch with the rated voltage of more than 1kV, the working principle and the structure of the switch equipment are simple, but the switch equipment has high use amount and high working reliability requirement, has large influence on the design, establishment and safe operation of a substation and a power plant, and has the main characteristic of no arc extinguishing capability, and the switch equipment can be opened and closed only under the condition of no load current.

Chinese patent publication No. CN213546187U discloses a draw-turn type location partition switch for circuit maintenance, including the channel-section steel, the spacing groove has been seted up to the right-hand member of channel-section steel, the equal fixed mounting in upper end left part and the upper end right part of channel-section steel has an insulator, a left side the upper end of insulator is provided with stop device, the right side the upper end fixed mounting of insulator has the board of placing, the upper end left part middle part fixed mounting who places the board has the fixed plate, the upper portion of fixed plate is provided with switching device, the equal fixed mounting in both sides has an arc, two around the upper end middle part of channel-section steel the opposite face upper portion of arc is provided with rotation thrust unit jointly, this utility model a draw-turn type location partition switch for circuit maintenance, the arc motion is in the off-state up to the catch bar promotion isolator, need not the manual work and breaks off, has improved work efficiency, need not people's direct contact partition switch, reduces the potential safety hazard that current transmission brought, but its installation that can not convenient and fast can not effectually prevent the false combined floodgate.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a convenient-to-use isolating switch.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides an isolator convenient to use, includes the shell, shell left side upper portion is provided with the spout, the inside sliding connection of spout has the pull rod, the pull rod lower part is provided with the gag lever post, the gag lever post upper end is provided with pressure spring, shell left side middle part rotates and is connected with the stopper, the gag lever post right side is provided with the spacing groove, the stopper lower part is provided with the slide bar, the slide bar lower extreme rotates and is connected with the spring leaf, the one end that the slide bar was kept away from to the spring leaf rotates and is connected with the fixed block, the inboard sliding connection of slide bar has the slider, slider rear end fixedly connected with straight-bar, the straight-bar right-hand member is provided with the movable contact, two all are provided with the connecting seat about the shell left side, connecting seat right side middle part all is provided with the stationary contact, shell right side outer wall upper portion is provided with the fixture block, shell right side outer wall lower part is provided with first card strip, first card strip right side upper portion rotates and is connected with the second card strip, both sides bottom is provided with torsion spring around the first card strip.

As a further description of the above technical solution:

the lower end of the limiting rod is arranged at the upper part of the limiting block.

As a further description of the above technical solution:

the periphery of the upper part of the left side of the limiting block is provided with a handle.

As a further description of the above technical solution:

the middle part of the straight rod is connected to the inner wall of the rear side of the shell in a sliding mode.

As a further description of the above technical solution:

and the upper side and the lower side of the left side of the movable contact are provided with a static contact.

As a further description of the above technical solution:

one end of the pressure spring, which is far away from the pull rod, is arranged on the upper part of the left side of the shell.

As a further description of the above technical solution:

the rear side of the fixing block is arranged on the inner wall of the rear side of the shell.

As a further description of the above technical solution:

the connecting seat, the static contact and the movable contact are all conductors.

The utility model discloses following beneficial effect has:

1. the utility model discloses in, at first connect the electric wire respectively on two connecting seats, then block the guide rail upside with the card, then promote the guide rail in the shell lower part for guide rail extrusion second card strip, when the guide rail downside removed second card strip left side, torsion spring resets second card strip, can fix the shell on the guide rail, simple to operate is swift.

2. The utility model discloses in, overhaul and make as needs outage, move the handle downwards, and then make the slide bar rotate, make the straight-bar move right and release the movable contact and break off to the right side and stationary contact, the gag lever post is pushed into in the spacing groove by pressure spring simultaneously, make the stopper unable rotation, then can overhaul the operation, when closing a floodgate, mention the pull rod upwards, make the gag lever post break away from the spacing groove, then upwards lift the handle, get back to the initial position, and then make the movable contact be connected with the stationary contact, form the route, block the spacing groove through the gag lever post, can effectively prevent the mistake combined floodgate, be worth wideling popularize.

Drawings

Fig. 1 is a perspective view of a convenient isolating switch provided by the present invention;

fig. 2 is a side sectional view of a disconnecting switch convenient for use according to the present invention;

fig. 3 is an enlarged view of a portion a in fig. 2.

Illustration of the drawings:

1. a pull rod; 2. a chute; 3. a handle; 4. a limiting block; 5. a housing; 6. a connecting seat; 7. a pressure spring; 8. a slider; 9. a slide bar; 10. a spring plate; 11. a fixed block; 12. a straight rod; 13. a limiting groove; 14. a movable contact; 15. a clamping block; 16. a first clip strip; 17. a torsion spring; 18. a second card strip; 19. a stationary contact; 20. a limiting rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in 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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, the present invention provides an embodiment: a convenient isolating switch comprises a shell 5, a chute 2 is arranged on the upper portion of the left side of the shell 5, a pull rod 1 is connected in the chute 2 in a sliding manner, a limiting rod 20 is arranged on the lower portion of the pull rod 1, a pressure spring 7 is arranged at the upper end of the limiting rod 20, a limiting block 4 is connected in the middle of the left side of the shell 5 in a rotating manner, a limiting groove 13 is arranged on the right side of the limiting rod 20, a sliding rod 9 is arranged on the lower portion of the limiting block 4, a spring piece 10 is connected at the lower end of the sliding rod 9 in a rotating manner, a fixed block 11 is connected at one end of the spring piece 10 far away from the sliding rod 9 in a rotating manner, a sliding block 8 is connected in a sliding manner inside the sliding rod 9, a straight rod 12 is fixedly connected at the rear end of the sliding block 8, a movable contact 14 is arranged at the right end of the straight rod 12, connecting seats 6 are arranged on the upper and lower portions of the left side of the shell 5, a stationary contact 19 is arranged in the middle of the right side of the connecting seat 6, a fixture block 15 is arranged on the upper portion of the outer wall of the right side of the shell 5, to sum up, firstly, the wires are respectively connected to the two connecting seats 6, then the clamping blocks 15 are clamped on the upper sides of the guide rails, then the lower portion of the shell 5 is pushed towards the guide rails to enable the guide rails to extrude the second clamping strips 18, when the lower side of the guide rails moves to the left side of the second clamping strips 18, the torsion springs 17 reset the second clamping strips 18, the shell 5 can be fixed on the guide rails, when power failure maintenance is needed, the handle 3 is moved downwards to enable the limiting blocks 4 to rotate, further the sliding rods 9 rotate to enable the spring pieces 10 to be compressed, when the sliding rods 9 move to the fixing blocks 11, the spring pieces 10 jack the sliding rods 9 to prevent the sliding rods 9 from falling due to self weight, so that the straight rods 12 move rightwards to disconnect the movable contacts 14 from the static contacts 19 towards the right side, meanwhile, the limiting groove 13 moves to the position below the limiting rod 20, the limiting rod 20 is pushed into the limiting groove 13 by the pressure spring 7, the limiting block 4 cannot rotate, then overhauling operation can be carried out, when a switch is to be switched on, the pull rod 1 is lifted upwards, the limiting rod 20 is separated from the limiting groove 13, then the handle 3 is lifted upwards and returns to the initial position, and then the movable contact 14 is connected with the fixed contact 19 to form a passage.

The lower end of a limiting rod 20 is arranged on the upper portion of a limiting block 4, the limiting rod 20 is attached to the limiting block 4, when a limiting groove 13 rotates to the lower portion of the limiting rod 20, the limiting rod 20 is pushed into the limiting groove 13 by a pressure spring 7, the limiting block 4 cannot rotate, a handle 3 is arranged on the periphery of the upper portion of the left side of the limiting block 4, the limiting block 4 is convenient to rotate, the middle of a straight rod 12 is connected to the inner wall of the rear side of a shell 5 in a sliding mode, the straight rod 12 can only move left and right, the upper side and the lower side of the left side of a movable contact 14 are respectively provided with a fixed contact 19, the movable contact 14 and the fixed contact 19 can be disconnected and connected, one end, far away from a pull rod 1, of the pressure spring 7 is arranged on the upper portion of the left side of the shell 5, the limiting rod 20 can move downwards through the pressure spring 7, the rear side of the fixed block 11 is arranged on the inner wall of the rear side of the shell 5, the fixed block 11 is fixed, the spring piece 10 can rotate around the fixed block 11 and is extruded, the connecting block 6, the fixed contact 19 and the movable contact 14 and the fixed contact 19 are all conductors, and when the movable contact 14 and the fixed contact is connected together, current can flow from one connecting block 6 to the other connecting block 6, so as to form a passage.

The working principle is as follows: the electric wire is connected to two connecting seats 6 respectively, then the clamping block 15 is clamped to the upper side of the guide rail, then the lower portion of the shell 5 is pushed to the guide rail, the guide rail extrudes the second clamping strip 18, when the lower side of the guide rail moves to the left side of the second clamping strip 18, the torsion spring 17 resets the second clamping strip 18, the shell 5 can be fixed on the guide rail, the installation is convenient and rapid, when power failure maintenance is needed, the handle 3 moves downwards, the limiting block 4 rotates, the sliding rod 9 rotates, the spring piece 10 is compressed, when the sliding rod 9 moves to the fixing block 11, the spring piece 10 jacks the sliding rod 9 to prevent the sliding rod 9 from falling due to dead weight, the straight rod 12 moves rightwards, the movable contact 14 is pushed out to the right side to be disconnected from the stationary contact 19, the limiting groove 13 moves to the lower side of the limiting rod 20, the limiting rod 20 is pushed into the limiting groove 13 by the pressure spring 7, the limiting block 4 cannot rotate, then maintenance operation can be carried out, when the switch-on is needed, the pull rod 1 is lifted upwards, the limiting rod 20 is separated from the limiting groove 13, then the handle 3 is lifted upwards, the initial position, the movable contact 14 is enabled to be connected with the stationary contact, and a switch-on circuit can be effectively prevented, and a switch-on circuit can be effectively formed, and the limiting groove 13 can be popularized.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. A disconnector convenient to use, comprising a housing (5), characterized in that: shell (5) left side upper portion is provided with spout (2), the inside sliding connection of spout (2) has pull rod (1), pull rod (1) lower part is provided with gag lever post (20), gag lever post (20) upper end is provided with pressure spring (7), shell (5) left side middle part is rotated and is connected with stopper (4), gag lever post (20) right side is provided with spacing groove (13), stopper (4) lower part is provided with slide bar (9), slide bar (9) lower extreme rotates and is connected with spring leaf (10), the one end that slide bar (9) were kept away from in spring leaf (10) rotates and is connected with fixed block (11), slide bar (9) inboard sliding connection has slider (8), slider (8) rear end fixedly connected with straight-bar (12), straight-bar (12) right-hand member is provided with movable contact (14), shell (5) left side upper and lower two parts all are provided with connecting seat (6) about the left side, connecting seat (6) right side middle part all is provided with stationary contact (19), shell (5) right side outer wall upper portion is provided with fixture block (15), shell (5) right side outer wall lower part is provided with first gib (16), first gib (16) upper portion rotates second gib (18) front and back draw back side (17) both sides are provided with second gib (17).

2. A service-friendly disconnector according to claim 1, characterized in that: the lower end of the limiting rod (20) is arranged at the upper part of the limiting block (4).

3. A service-friendly disconnector according to claim 1, characterized in that: and a handle (3) is arranged on the periphery of the upper part of the left side of the limiting block (4).

4. A service-friendly disconnector according to claim 1, characterized in that: the middle part of the straight rod (12) is connected to the inner wall of the rear side of the shell (5) in a sliding manner.

5. A service-friendly disconnector according to claim 1, characterized in that: and the upper side and the lower side of the left side of the movable contact (14) are provided with static contacts (19).

6. The disconnecting switch according to claim 1, wherein: one end of the pressure spring (7) far away from the pull rod (1) is arranged on the upper portion of the left side of the shell (5).

7. The disconnecting switch according to claim 1, wherein: the rear side of the fixed block (11) is arranged on the inner wall of the rear side of the shell (5).

8. A service-friendly disconnector according to claim 1, characterized in that: the connecting seat (6), the static contact (19) and the movable contact (14) are all conductors.