CN217740414U - Connecting structure of isolating switch and isolating mechanism - Google Patents

Abstract

The utility model relates to a connection structure of isolator and isolator, including being located the seal structure on the cabinet body to and the sealed axle that runs through seal structure and connect output shaft and input port. The utility model realizes the sealing requirement of the cabinet body through the arrangement of the sealing structure, and realizes the connection of the isolation mechanism and the isolation switch through the arrangement of the sealing shaft; through the matching of the sealing shaft and the square hole, the connection of the sealing shaft is facilitated, and the situation that the sealing shaft rotates and slips in the shaft sleeve when the sealing shaft is round is avoided; through the setting of third ring, further inject the bearing and follow sealed axle axial displacement, cooperate in first ring simultaneously, carry on spacingly to the position of bearing.

Description

Connecting structure of isolating switch and isolating mechanism

Technical Field

The utility model relates to an electrical apparatus field especially involves isolator and isolator's technical field, specifically indicates an isolator and isolator's connection structure.

Background

An Isolating switch (Isolating switch) is a switching device mainly used for Isolating a power supply and switching over, connecting 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 (e.g., short circuit) for a specified period of time when in the closed position. The high-voltage isolating switch is generally used as a high-voltage isolating switch, namely an isolating switch with rated voltage of more than 1kV, the high-voltage isolating switch has a simple working principle and structure, but has high requirements on working reliability due to large usage amount, and has large influence on the design, establishment and safe operation of a substation and a power plant. The main characteristic of the isolating switch is that it has no arc-extinguishing ability, and can only open or close the circuit under the condition of no load current.

At present, an input port of an isolating switch and an input port of the isolating switch are located in a cabinet body, an output shaft of the isolating mechanism and an output shaft of the isolating mechanism are located outside the cabinet body, the cabinet body needs to be arranged in a sealing mode, and a connecting structure for connecting the output shaft and the input shaft is needed.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to prior art's not enough, provide a connection structure of isolator and isolator for connect isolator and isolator, satisfy the production demand.

The utility model relates to a connection structure of isolator and isolator that following technical scheme realized, including being located the seal structure on the cabinet body to and the sealed axle that runs through seal structure and connect output shaft and input port.

This preferred scheme is when using, through seal structure's setting, realizes the sealed demand of the cabinet body, through the setting of sealed axle, realizes isolation mechanism and isolator's connection.

Preferably, the input port is provided with a shaft sleeve coaxial with the sealing shaft, the shaft sleeve is provided with a square hole coaxial with the sealing shaft, the first section of the sealing shaft is inserted into the square hole, and the cross section of the first section is square and is matched with the square hole.

This preferred scheme is through the cooperation of sealed axle and square hole, when being convenient for sealed hub connection, when avoiding sealed axle to be circular, the condition that sealed axle skidded in the axle sleeve internal rotation takes place, simple structure simultaneously to save the internal space of cabinet.

Preferably, the sealing shaft is provided with a first through hole which penetrates through the sealing shaft along the radial direction of the sealing shaft, a pin shaft penetrates through the first through hole, and the pin shaft is connected with the output shaft.

This preferred scheme sets up through the cooperation of round pin axle with the pinhole, realizes being connected of sealed axle and isolating mechanism.

As preferred, seal structure runs through the cabinet body and can dismantle the sealing ring of connection on the cabinet body including sealed, sealed epaxial two second rings that have still cup jointed of epaxial, the second ring overcoat has cup jointed the bearing, the recess that still seted up the bearing adaptation is opened at the both ends of sealing ring.

This preferred scheme passes through the setting of bearing, plays the effect that supports sealed axle, improves transmission efficiency.

Preferably, the sealing shaft is externally sleeved with a first circular ring positioned between the two second circular rings, a first sealing ring is arranged between the sealing ring and the first circular ring, and the inner ring of the bearing is arranged on the end face of the first circular ring.

This preferred scheme is when using, through the setting of first ring, when the bearing installation, gives the bearing limiting displacement, the installation of the bearing of being convenient for, and the effect of restriction seal shaft along its axial displacement is played in the cooperation of two bearings and first ring simultaneously.

Preferably, the end surface of the sealing ring is further connected with a third circular ring in a threaded manner, and the outer ring of the bearing is propped against the end surface of the third circular ring.

This preferred scheme passes through the setting of third ring, further prescribes a limit to the bearing along sealed axle axial displacement, cooperates in first ring simultaneously, carries on spacingly to the position of bearing.

Preferably, the seal shaft, the first ring, and the second ring are formed integrally.

This preferred scheme is through integrative setting, and the processing of the sealed axle of being convenient for, first ring, second ring guarantees the bulk strength of sealed axle, first ring, second ring

Preferably, the sealing ring is further fixedly connected with a fourth ring which is propped against the wall of the cabinet body, and a second sealing ring is arranged between the fourth ring and the wall of the cabinet body.

This preferred scheme passes through the setting of fourth ring and second sealing washer, realizes the sealing connection of sealing ring and cabinet body wall.

Preferably, the fourth ring is provided with a plurality of second through holes evenly distributed along the circumferential direction of the fourth ring, the wall of the cabinet body is fixedly connected with a screw rod inserted into the second through holes, and the screw rod is in threaded connection with a nut.

This preferred scheme passes through the setting of screw rod, second perforation, nut, realizes being connected of sealing ring and cabinet body.

The utility model has the advantages that: the requirement of cabinet body sealing is realized through the arrangement of the sealing structure, and the connection between the isolation mechanism and the isolation switch is realized through the arrangement of the sealing shaft; through the matching of the sealing shaft and the square hole, the sealing shaft is convenient to connect, and the situation that the sealing shaft rotates and slips in the shaft sleeve when the sealing shaft is round is avoided; through the setting of third ring, further inject the bearing and follow sealed axle axial displacement, cooperate in first ring simultaneously, carry on spacingly to the position of bearing.

Drawings

FIG. 1 is a schematic view of the present invention;

FIG. 2 isbase:Sub>A schematic cross-sectional view taken at A-A in FIG. 1;

FIG. 3 is a schematic cross-sectional view taken at B-B of FIG. 1;

shown in the figure:

1. the bearing comprises a first ring, a second ring, a third ring, a fourth ring, a shaft sleeve, a shaft 6, an output shaft, a 7, a limiting bolt, a nut, a 9, a bearing, a U-shaped plate, a 11, a first sealing ring, a 12, a second sealing ring, a 13, a first bolt, a 14 and a pin shaft.

Detailed Description

In order to clearly illustrate the technical features of the present solution, the present solution is explained below by way of specific embodiments.

Referring to fig. 1-3, the utility model relates to a connection structure of isolator and isolator, isolator are equipped with input port, and isolator is equipped with output shaft 6, and output shaft 6 and input port coaxial setting.

The connecting structure comprises a sealing structure positioned on the cabinet body and a sealing shaft which penetrates through the sealing structure in a sealing mode and is connected with the output shaft 6 and the input port.

The first section of sealed axle is located the cabinet internal and the cross-section of first section is square, and the part that sealed axle is located the cabinet body promptly is the square shaft, and input port is equipped with the axle sleeve 5 with sealed axle coaxial line, offer on the axle sleeve 5 with sealed axle coaxial line and with the square hole of first section adaptation.

The rigid coupling has the U template 10 that extends to the cabinet body on the output shaft 6, sealed axle inserts in U template 10 from the opening of U template 10, set up the fourth perforation that runs through two lateral walls of U template 10 on the U template 10, sealed epaxial first perforation of setting with the fourth perforation coaxial line of seting up, the first fenestrate diameter of first perforation and the fenestrate diameter adaptation of fourth, wear to be equipped with round pin axle 14 in fourth perforation and the first perforation, the top rigid coupling of round pin axle 14 has the diameter to be greater than the end cover of fourth perforation diameter, the third perforation that is located U template 10 below still has been seted up on round pin axle 14, the threaded connection of third perforation has stop bolt 7.

Seal structure runs through the cabinet body and can dismantle the sealing ring of connection on the cabinet body including sealed, sealed off-axial outer has cup jointed first ring 1, first ring 1 is located the sealing ring intra-annular, is equipped with first sealing washer 11 between sealing ring and the first ring 1.

Two second rings 2 located on two sides of the first ring 1 are further sleeved on the sealing shaft, a bearing 9 is sleeved outside the second rings 2, grooves matched with the bearing 9 are further formed in two ends of the sealing ring, and two ends of the first ring 1 extend into the two grooves respectively.

Still threaded connection has third ring 3 on the terminal surface of sealing ring, and third ring 3 is connected with first ring 1 through first bolt 1313, and the axis of third ring 3 and the axis collineation of sealed axle, the internal diameter of third ring 3 are less than the external diameter of pivot, are greater than the internal diameter of pivot, and on the terminal surface of third ring 3 was pushed up to the outer lane of bearing 9, the inner circle of bearing 9 pushed up to the terminal surface of first ring 1.

The sealing ring is also fixedly connected with a fourth ring 4 which is propped against the wall of the cabinet body, and a second sealing ring 12 is arranged between the fourth ring 4 and the wall of the cabinet body.

A plurality of second through holes evenly distributed along the circumferential direction of the fourth ring 4 are formed in the cabinet body wall, screw rods inserted into the second through holes are fixedly connected to the cabinet body wall, and nuts 8 are connected to the screw rods in a threaded mode.

In particular, the seal shaft, the first ring 1 and the second ring 2 are integrally formed.

Of course, the above description is not limited to the above examples, and the technical features of the present invention that are not described in the present application can be implemented by or using the prior art, which is not described herein again; the above embodiments and drawings are only used for illustrating the technical solutions of the present invention and are not intended to limit the present invention, and the present invention has been described in detail with reference to the preferred embodiments, and it should be understood by those skilled in the art that changes, modifications, additions or substitutions made by those skilled in the art within the spirit of the present invention should not depart from the spirit of the present invention, and shall also belong to the protection scope of the claims of the present invention.

Claims (9)

1. The utility model provides a connection structure of isolator and isolating mechanism which characterized in that: the intelligent cabinet comprises a sealing structure positioned on the cabinet body and a sealing shaft which penetrates through the sealing structure in a sealing mode and is connected with an output shaft (6) and an input port.

2. The connection structure of the disconnecting switch and the disconnecting mechanism according to claim 1, wherein: the input port is provided with a shaft sleeve (5) coaxial with the sealing shaft, a square hole coaxial with the sealing shaft is formed in the shaft sleeve (5), the first section of the sealing shaft is inserted into the square hole, and the cross section of the first section is square and is matched with the square hole.

3. The connection structure of the disconnector and isolation mechanism according to claim 1 or 2, wherein: the sealing shaft is provided with a first through hole which penetrates through the sealing shaft along the radial direction of the sealing shaft, a pin shaft (14) penetrates through the first through hole, and the pin shaft (14) is connected with the output shaft (6).

4. The connection structure of the disconnecting switch and the disconnecting mechanism according to claim 2, wherein: seal structure runs through the cabinet body and can dismantle the sealing ring of connection on the cabinet body including sealed, sealed epaxial two second rings (2) of having still cup jointed, second ring (2) overcoat has connect bearing (9), the recess of bearing (9) adaptation has still been seted up to the both ends of sealing ring.

5. The connection structure of the disconnecting switch and the disconnecting mechanism according to claim 4, wherein: the sealing shaft is externally sleeved with a first circular ring (1) between two second circular rings (2), a first sealing ring (11) is arranged between the sealing ring and the first circular ring (1), and the inner ring of the bearing (9) is pushed to the end face of the first circular ring (1).

6. The connection structure of the disconnecting switch and the disconnecting mechanism according to claim 5, wherein: and the end surface of the sealing ring is also in threaded connection with a third circular ring (3), and the outer ring of the bearing (9) is propped against the end surface of the third circular ring (3).

7. The connection structure of the disconnecting switch and the disconnecting mechanism according to claim 4, wherein: the sealing shaft, the first circular ring (1) and the second circular ring (2) are of an integrated structure.

8. The connection structure of the disconnecting switch and the disconnecting mechanism according to claim 6, wherein: and a fourth ring (4) which is propped against the wall of the cabinet body is fixedly connected to the sealing ring, and a second sealing ring (12) is arranged between the fourth ring (4) and the wall of the cabinet body.

9. The connection structure of the disconnecting switch and the disconnecting mechanism according to claim 8, wherein: a plurality of second through holes evenly distributed along the circumferential direction of the fourth ring (4) are formed in the cabinet body wall, screw rods inserted into the second through holes are fixedly connected to the cabinet body wall, and nuts (8) are connected to the screw rods in a threaded mode.

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