CN217086454U - Isolator and have its cabinet of aerifing - Google Patents

Abstract

The utility model relates to an electrical switch technical field, concretely relates to isolator and have its cabinet of aerifing. A disconnector, comprising: the cylinder body is provided with an accommodating space, and the first conductive piece, the second conductive piece and the third conductive piece are sequentially arranged in the accommodating space along the axial direction, are coaxially arranged and are fixedly poured with the cylinder body through the fixing piece; the rotating piece sequentially penetrates through the first conductive piece, the second conductive piece and the third conductive piece, and one end of the rotating piece is connected with the driving mechanism; and the conductive connecting piece is arranged at the other end of the rotating piece and driven by the rotating piece to reciprocate along the axial direction of the rotating piece so as to be respectively electrically connected with the first conductive piece, the second conductive piece and the third conductive piece to realize switching on, switching off and grounding. The utility model provides an integrated isolation switch not influenced by the gas tank of gas-filled cabinet and gas-filled cabinet with the same.

Description

Isolator and have its cabinet of aerifing

Technical Field

The utility model relates to an electrical switching equipment technical field, concretely relates to isolator and have its cabinet of aerifing.

Background

The isolating switch is in a separated position, and an insulation distance and an obvious disconnection mark which meet the specified requirements are arranged between the contacts; switchgear capable of carrying current in normal loop conditions and current in abnormal conditions (e.g. short circuits) for a specified period of time when in the closed position is commonly used in gas-filled cabinets.

The existing epoxy cast solid insulation switch cabinet adopts epoxy resin to cast an insulation part, and an isolation switch is installed in the insulation part, so that the insulation property is improved, but the isolation switch still adopts a split charging type and is easily influenced by inflation of an air tank of an inflation cabinet, and the isolation switch is blocked.

SUMMERY OF THE UTILITY MODEL

Therefore, the to-be-solved technical problem of the utility model lies in overcoming among the prior art isolator because of receiving the gas tank of gas filled gas influence to lead to the defect of jamming, thereby provide an integrated type not receive the isolator that the gas tank of gas filled gas influenced and have its gas tank of gas filled.

In order to solve the technical problem, the utility model provides an isolating switch, include:

the cylinder body is provided with an accommodating space, and the first conductive piece, the second conductive piece and the third conductive piece are sequentially arranged in the accommodating space along the axial direction, are coaxially arranged and are fixedly poured with the cylinder body through the fixing piece;

the rotating piece sequentially penetrates through the first conductive piece, the second conductive piece and the third conductive piece, and one end of the rotating piece is connected with the driving mechanism;

and the conductive connecting piece is arranged at the other end of the rotating piece and driven by the rotating piece to reciprocate along the axial direction of the rotating piece so as to be respectively electrically connected with the first conductive piece, the second conductive piece and the third conductive piece to realize switching on, switching off and grounding.

Optionally, the first conductive piece, the second conductive piece and the third conductive piece are provided with conductive contact pieces so as to be electrically connected with the conductive connecting piece.

Optionally, a first conductive contact piece is arranged at one end, close to the second conductive piece, of the first conductive piece, a second conductive contact piece is arranged at one end, close to the second conductive piece, of the third conductive piece, a third conductive contact piece and a fourth conductive contact piece are arranged at two ends of the second conductive piece, when the switch is switched on, the conductive connecting piece is connected with the first conductive contact piece and the third conductive contact piece at the same time, when the switch is switched off, the conductive connecting piece is connected with the third conductive contact piece and the fourth conductive contact piece at the same time, and when the switch is grounded, the conductive connecting piece is connected with the second conductive contact piece and the fourth conductive contact piece at the same time.

Optionally, a limiting member is further disposed in the accommodating space, and the limiting member extends along the axial direction of the cylinder to limit the rotation of the conductive connecting member.

Optionally, the conductive connecting member is provided with first through grooves at two ends in the radial direction, and the limiting member is disposed in the first through groove.

Optionally, the limiting member includes a pair of limiting members disposed between the third conductive contact piece and the fourth conductive contact piece, the pair of limiting members are disposed oppositely, and the movement distance of the conductive connecting member is smaller than the length of the limiting member.

Optionally, the rotating member is a threaded rod.

Optionally, a second through groove is axially formed in the conductive connecting piece, an internal thread is formed in a section, close to the driving mechanism, of the second through groove, and the conductive connecting piece is in threaded connection with the rotating piece.

Optionally, the fixing member is epoxy resin.

Still provide an aerify cabinet, include isolator.

The utility model discloses technical scheme has following advantage:

1. the utility model provides a pair of isolator, first electrically conductive piece, second electrically conductive piece and third electrically conductive piece set gradually in the barrel along the axial, and keep coaxial arranging to pour fixedly through mounting and barrel. First electrically conductive piece, second electrically conductive piece and third electrically conductive piece are coaxial arrange and fixed through the mounting with the barrel pouring, promptly, form integral type structure for first electrically conductive piece, second electrically conductive piece and third electrically conductive piece can not aerify the influence because of aerifing the gas tank in the gas insulated switchgear, lead to the position to change, thereby influence the realization of combined floodgate, separating brake and ground connection station, avoided the jamming phenomenon.

2. The utility model provides a pair of isolator still is equipped with the locating part in the accommodation space of barrel, and the axial extension of barrel has been followed to the locating part, has restricted conductive connecting piece to rotate for conductive connecting piece can only reciprocating motion.

3. The utility model provides a pair of isolator, electrically conductive connecting piece have seted up first logical groove along radial both ends, and the locating part is located in the first logical groove for electrically conductive connecting piece direction makes electrically conductive connecting piece can only follow locating part axial direction and removes.

4. The utility model provides a pair of isolator has seted up the second through groove along the axial in the electrically conductive connecting piece, and one section that the second through groove is close to actuating mechanism is equipped with the internal thread, electrically conductive connecting piece and rotation piece threaded connection. The friction of the conductive connecting piece and the rotating piece is reduced by partially arranging the internal thread, so that the conductive connecting piece can move more smoothly, and the service life is prolonged.

5. The utility model provides a pair of isolator, mounting are epoxy, pour into a mould epoxy in the barrel, can promote insulating nature and can be fixed in the barrel with first electrically conductive piece, the electrically conductive piece of second and the electrically conductive piece of third again, realize integrated into one piece.

Drawings

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

FIG. 1 is a schematic cross-sectional view of a disconnector;

FIG. 2 is a schematic structural diagram of a disconnector;

FIG. 3 is a schematic structural diagram of the disconnector in a closing state;

FIG. 4 is a schematic structural diagram of the disconnecting switch in the open state;

fig. 5 is a schematic structural diagram of the disconnecting switch in a grounding state.

Description of reference numerals:

1-a cylinder body; 2-a conductive connection; 3-a limiting part; 4-conductive contact; 5-a third conductive member; 6-a second conductive member; 7-a rotating member; 8-first conductive member.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, 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 work 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. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified 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.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

One embodiment of a disconnector, shown in fig. 1 and 2, comprises a cylinder 1, a rotor 7 and an electrically conductive connection element 2.

The barrel 1 is provided with an accommodating space, the first conductive piece 8, the second conductive piece 6 and the third conductive piece 5 are sequentially arranged in the accommodating space along the axial direction and are coaxially arranged, the fixing pieces and the barrel 1 are fixed in a pouring mode through the fixing pieces, and the fixing pieces are made of epoxy resin. Rotate piece 7 and wear to locate first electrically conductive piece 8, second electrically conductive piece 6 and the inside of third electrically conductive 5 in proper order, and one end is connected with actuating mechanism, and the other end is connected with electrically conductive connecting piece 2, rotates piece 7 and is the threaded rod, and electrically conductive connecting piece 2 is connected with electrically conductive connecting piece 5 electricity along rotating 7 axial reciprocating motion under the drive of rotating piece 7 to respectively with first electrically conductive piece 8, second electrically conductive piece 6 and third electrically conductive piece electricity and be connected, realize closing a floodgate, separating brake and ground connection.

The first conductive piece 8, the second conductive piece 6 and the third conductive piece 5 are all provided with conductive contact pieces 4, one end of the first conductive piece 8 close to the second conductive piece 6 is provided with a first conductive contact piece, one end of the third conductive piece 5 close to the second conductive piece 6 is provided with a second conductive contact piece, and two ends of the second conductive piece 6 are respectively provided with a third conductive contact piece and a fourth conductive contact piece. When switching on, as shown in fig. 3, the conductive connecting part 2 is connected to the first conductive contact and the third conductive contact at the same time; when the switch is opened, as shown in fig. 4, the conductive connecting piece 2 is connected with the third conductive contact piece and the fourth conductive contact piece at the same time; when grounded, the conductive connector 2 connects the second and fourth conductive contacts simultaneously, as shown in fig. 5.

The conductive connecting piece 2 is provided with first through grooves along two end surfaces in the radial direction, a second through groove is formed in the conductive connecting piece 2 along the axial direction, the limiting piece 3 extends into the first through groove along the axial direction of the barrel body 1, the limiting piece 3 comprises a pair of limiting pieces arranged between a third conductive contact piece and a fourth conductive contact piece, the limiting pieces 3 are oppositely arranged and fixedly connected with the barrel body 1 so as to limit the rotation of the conductive connecting piece 2, meanwhile, the limiting piece 3 also has a guiding function on the conductive connecting piece 2, so that the conductive connecting piece 2 moves along the axial direction of the limiting piece 3, and in order to enable the conductive connecting piece 2 to always move directionally and not rotate, the movement distance of the conductive connecting piece 2 is smaller than the length of the limiting piece 3; in order to reduce the friction between the conductive connecting piece 2 and the rotating piece 7, one section of the second through groove close to the driving mechanism is provided with internal threads, the rest part is a smooth surface, and the rotating piece 7 is in threaded connection with the conductive connecting piece 2.

When the isolating switch works, the driving mechanism drives the rotating part 7 to rotate, the rotating part 7 is in threaded connection with the conductive connecting part 2, the rotating part 7 rotates to enable the conductive connecting part 2 to axially reciprocate along the rotating part 7, and when the conductive connecting part 2 is simultaneously connected with the first conductive contact piece and the third conductive contact piece, the state of closing is achieved; when the conductive connecting piece 2 is connected with the third conductive contact piece and the fourth conductive contact piece at the same time, the opening state is realized; when the conductive connecting member 2 is connected to the second conductive contact and the fourth conductive contact at the same time, it is in a grounded state.

Also provides an inflatable cabinet, which comprises the isolating switch.

As an alternative embodiment, the second through slot may be provided with an internal thread therein, so that the conductive connecting member 2 is screwed with the rotation member 7.

In an alternative embodiment, the limiting member 3 is a limiting ring, and the inner diameter of the limiting ring is equal to the outer diameter of the conductive connecting member 2.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.

Claims (10)

1. A disconnector, comprising:

the cylinder body (1) is provided with an accommodating space, and a first conductive piece (8), a second conductive piece (6) and a third conductive piece (5) are sequentially arranged in the accommodating space along the axial direction, are coaxially arranged and are fixedly poured with the cylinder body (1) through a fixing piece;

the rotating piece (7) sequentially penetrates through the first conductive piece (8), the second conductive piece (6) and the third conductive piece (5), and one end of the rotating piece is connected with a driving mechanism;

the conductive connecting piece (2) is arranged at the other end of the rotating piece (7), the conductive connecting piece (2) is driven by the rotating piece (7) to move axially and reciprocally along the rotating piece (7) so as to be respectively electrically connected with the first conductive piece (8), the second conductive piece (6) and the third conductive piece (5) to realize closing, opening and grounding.

2. A disconnector according to claim 1, characterized in that the first (8), second (6) and third (5) conducting members are provided with conducting contacts (4) for electrical connection with the conducting connector member (2).

3. The disconnector according to claim 2, wherein the first conductive piece (8) is provided with a first conductive contact piece at an end close to the second conductive piece (6), the third conductive piece (5) is provided with a second conductive contact piece at an end close to the second conductive piece (6), the second conductive piece (6) is provided with a third conductive contact piece and a fourth conductive contact piece at two ends, the conductive connecting piece (2) is connected with the first conductive contact piece and the third conductive contact piece at the same time when closing, the conductive connecting piece (2) is connected with the third conductive contact piece and the fourth conductive contact piece at the same time when opening, and the conductive connecting piece (2) is connected with the second conductive contact piece and the fourth conductive contact piece at the same time when grounding.

4. The disconnector according to claim 3, characterized in that a limiting member (3) is further disposed in the accommodating space, and the limiting member (3) extends along the axial direction of the cylinder (1) to limit the rotation of the conductive connecting member (2).

5. The isolating switch according to claim 4, wherein the conductive connecting member (2) is provided with a first through groove at both ends in the radial direction, and the limiting member (3) is disposed in the first through groove.

6. The disconnector according to claim 5, characterized in that the limiting member (3) comprises a pair of the third and fourth conductive contact pieces, the limiting members (3) are oppositely arranged, and the distance of movement of the conductive connecting member (2) is less than the length of the limiting member (3).

7. A disconnector according to any one of claims 1-6, characterized in that the rotary member (7) is a threaded rod.

8. The isolating switch according to claim 7, wherein a second through groove is axially formed in the conductive connecting piece (2), an internal thread is formed in a section of the second through groove close to the driving mechanism, and the conductive connecting piece (2) is in threaded connection with the rotating piece (7).

9. A disconnector according to any one of claims 1-6, characterized in that the fixing part is epoxy.

10. An inflatable cabinet comprising a disconnector according to any one of claims 1-9.

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