CN218040221U

CN218040221U - Valve mechanism of high-voltage switch cabinet

Info

Publication number: CN218040221U
Application number: CN202222325867.7U
Authority: CN
Inventors: 南海峡; 王军
Original assignee: Zhejiang Lingkun Electric Co ltd
Current assignee: Zhejiang Lingkun Electric Co ltd
Priority date: 2022-09-02
Filing date: 2022-09-02
Publication date: 2022-12-13
Anticipated expiration: 2032-09-02

Abstract

The utility model discloses a high tension switchgear valve mechanism that simple structure, stability are good, and take location. The technical scheme adopted comprises the following steps: contact box mounting panel and activity set up last valve and lower valve on the contact box mounting panel, it is connected with valve actuating mechanism with lower valve both ends to go up the valve, valve actuating mechanism includes integrative bending mounting bracket, establishes installation axle and rotatable the installing on the integrative bending mounting bracket install epaxial last turning arm and lower turning arm, the epaxial torsional spring that still is equipped with of installation, the first force arm of torsional spring act on go up turning arm, the second arm of force with integrative bending mounting bracket is connected.

Description

Valve mechanism of high-voltage switch cabinet

Technical Field

The utility model belongs to the power equipment field, concretely relates to high tension switchgear valve mechanism.

Background

The flap mechanism is an important component of a withdrawable high-voltage switchgear cabinet and has two switchable positions. In the open position, it allows the movable contact of the removable member to engage the stationary contact, which is electrically live; in the closed position it forms part of a partition or housing, which covers the stationary contact. The transmission modes of the switch cabinet valve mechanism in the prior art for realizing the opening or closing of the upper and lower valves comprise link transmission, chain link transmission, gear link transmission and the like. Traditional cabinet-closing valve mechanism structure, if: the utility model discloses a chinese utility model patent of authorizing bulletin number "CN 201629515U", title "a cubical switchboard valve mechanism", including contact box mounting panel and the movable upper valve and the lower valve that set up on the contact box mounting panel, upper valve and lower valve both ends are connected with valve actuating mechanism. The drive mechanism connection includes: the mounting plate, establish installation axle and rotatable installation epaxial last crank arm and lower crank arm on the mounting plate, still be equipped with the torsional spring on the installation axle, one of them arm of force of torsional spring acts on last crank arm, another arm of force is connected with the mounting plate. In order to improve the safety of the valve mechanism, an interlocking plate is further mounted on the mounting plate. There are disadvantages in that: 1. the interlocking plate needs to be fixed on the mounting plate through a hook of the interlocking plate and a screw or a rivet, so that the interlocking plate is troublesome to mount, and is easy to displace to lose functions due to long-term loaded work; 2. the upper valve and the lower valve are not provided with a positioning function, so that the closed positions of the upper valve and the lower valve are not accurate easily.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a high tension switchgear valve mechanism that simple structure, stability are good, and take the location.

In order to solve the above problem, the utility model discloses a technical scheme include: the device comprises a contact box mounting plate, an upper valve and a lower valve which are movably arranged on the contact box mounting plate, wherein the two ends of the upper valve and the lower valve are connected with a valve driving mechanism, and the device is characterized in that: valve actuating mechanism includes integrative the mounting bracket of bending, establishes installation axle and rotatable the installing on the integrative mounting bracket of bending install epaxial last turning arm and lower turning arm, install the epaxial torsional spring that still is equipped with, the first force arm of torsional spring acts on go up turning arm, the second force arm with integrative the mounting bracket of bending is connected, go up the turning arm through first gangbar with lower valve is connected, down the turning arm pass through the second gangbar with it connects to go up the valve, integrative the mounting bracket front end both sides of bending the shaping have support respectively in go up turning arm, lower turning arm's "L" shape locking lever, be equipped with the padlock hole on the "L" shape locking lever, go up turning arm, be equipped with respectively on the turning arm down with normally closed lockhole, the normally open lockhole that the padlock hole suited.

High tension switchgear valve mechanism, its characterized in that: the rear end of the integrally-bent mounting frame is integrally bent and formed to be provided with a torsional spring arm connecting column, and a first connecting groove and a second connecting groove which are different in depth are formed in the torsional spring arm connecting column.

The high tension switchgear valve mechanism, its characterized in that: the contact box is characterized in that door shafts are arranged on two sides of the contact box mounting plate, two ends of the upper valve and two ends of the lower valve are integrally bent to form mounting columns, shaft holes are formed in two ends of the mounting columns, the upper valve and the lower valve are movably arranged on the door shafts through the shaft holes, and the first linkage rod and the second linkage rod are respectively connected to the mounting columns of the upper valve and the lower valve in an axial mode.

The high tension switchgear valve mechanism, its characterized in that: the shaft hole is a waist-shaped hole.

The high tension switchgear valve mechanism, its characterized in that: the contact box mounting plate is characterized in that limiting frames are further arranged on two sides of the contact box mounting plate and comprise mounting bottom plates and limiting plates formed by bending the upper ends of the mounting bottom plates, and the limiting plates are in limiting fit with mounting columns of the upper valve and the lower valve.

The high tension switchgear valve mechanism, its characterized in that: the rear end of the limiting plate extends to form a clamping portion, a baffle is formed by bending one side of the front end of the limiting plate, and the clamping portion is clamped in a clamping groove of the contact box mounting plate.

The high tension switchgear valve mechanism, its characterized in that: and two ends of the upper valve and the lower valve are integrally bent to form a reinforcing edge.

The utility model discloses a high tension switchgear valve mechanism advantage as follows: 1. the interlocking mechanism and the mounting plate are integrally bent and formed and are matched with the normally closed locking hole and the normally open locking hole of the upper valve and the lower valve to realize normally closed or normally open interlocking of the upper valve and the lower valve, and the interlocking mechanism not only simplifies the structure, but also is more convenient to mount and firmer in structure; 2. the limiting frames are arranged on the two sides of the contact box mounting plate, so that the closed positions of the upper valve and the lower valve can be accurately positioned.

The present invention will be further explained with reference to the drawings attached to the specification.

Drawings

Fig. 1 is a schematic structural view of the shutter mechanism of the high-voltage switch cabinet of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1;

fig. 3 is a schematic structural view of the integral bending mounting frame of the present invention;

fig. 4 is a schematic structural view of the lower crank arm of the present invention;

FIG. 5 is a schematic structural view of the upper or lower shutter of the present invention;

FIG. 6 is an enlarged view of a portion of FIG. 1;

fig. 7 is a schematic structural view of the limiting frame of the present invention.

Detailed Description

Referring to fig. 1-7, the utility model discloses a high tension switchgear valve mechanism, including contact box mounting panel 1 and the activity setting be in upper valve 2 and lower valve 3 of contact box installing port position department of contact box mounting panel 1. And two ends of the upper valve 2 and the lower valve 3 are connected with a valve driving mechanism 4. The valve driving mechanism 4 comprises an integrated bending mounting frame 5, a mounting shaft 6, an upper crank arm 7, a lower crank arm 8 and a torsion spring 9. The integral bending mounting frame 5 is fixed in the switch cabinet by screws or rivets arranged in mounting holes at two ends of the bottom plate. The installation axle 6 lower extreme is fixed on the integrative mounting bracket 5 of bending, lower connecting lever 8, torsional spring 9, last connecting lever 7 are installed in proper order on the installation axle 6. In order to ensure the smooth rotation of the upper crank arm 7 and the lower crank arm 8, a shaft sleeve can be sleeved on the mounting shaft 6. The first force arm 10 of the torsion spring 9 acts on the upper crank arm 7, and the second force arm 10' of the torsion spring 9 is connected with the integral bending mounting frame 5. The upper crank arm 7 is connected with the lower valve 3 through a first linkage rod 11, and the lower crank arm 8 is connected with the upper valve 2 through a second linkage rod 12. The upper crank arm 7 is driven by the torsion spring 9 to drive the upper crank arm 7 to drive the lower valve 3 to be automatically closed. The upper valve 2 naturally slides down and closes according to the gravity of the upper valve. Two sides of the front end of the integrally bent mounting frame 5 are integrally bent and formed with an L-shaped lock rod 13 which is respectively supported on the upper crank arm 7 and the lower crank arm 8. The L-shaped lock rod 13 is provided with a padlock hole 14. The upper crank arm 7 and the lower crank arm 8 are respectively provided with a normally closed lock hole 15 and a normally open lock hole 16 which are matched with the padlock hole 14. When a padlock is hung between the padlock hole 14 and the normally closed padlock hole 15, the upper valve 2 and the lower valve 3 are normally closed; when a padlock is hung between the padlock hole 14 and the normally open padlock hole 16, the upper valve 2 and the lower valve 3 are normally opened, so that the safety of the upper valve 2 and the lower valve 3 is improved.

Preferably, the integrative shaping of bending of 5 rear ends of mounting bracket that bends has torsional spring arm joint post 17, be equipped with the different first spread groove 18 of degree of depth, second spread groove 19 on the torsional spring arm joint post 17, the second arm of force 10 "of torsional spring 9 is connected on the spread groove of difference to the realization is to the regulation of torsion size.

Preferably, both sides of the contact box mounting plate 1 are provided with door shafts 20, the two ends of the upper valve 2 and the lower valve 3 are integrally bent to form mounting columns 21, two ends of each mounting column 21 are provided with shaft holes 22, the upper valve 2 and the lower valve 3 pass through the shaft holes 22 of the mounting columns 21 and are movably arranged on the door shafts 20, and the first linkage rod 11 and the second linkage rod 12 are respectively connected to the mounting columns 21 of the upper valve 2 and the lower valve 3 in an axial mode. The upper valve 2 and the lower valve 3 are integrally bent at two ends to form a mounting column 21, the door spindle 20, the first linkage rod 11 and the second linkage rod 12, so that the connection stability and strength are improved.

Preferably, in order to prevent the upper valve 2 and the lower valve 3 from being clamped on the door spindle 20 and being unable to move, the spindle hole 22 is formed as a waist-shaped hole, so that the upper valve 2 and the lower valve 3 have a certain displacement space, thereby preventing the clamping.

Preferably, the two sides of the contact box mounting plate 1 are further provided with a limiting frame 23, the limiting frame 23 comprises a mounting bottom plate 24 and a limiting plate 25 formed by bending the upper end of the mounting bottom plate 24, and the shaft hole 22 penetrates through the limiting plate 25 to be connected with the contact box mounting plate 1. The limiting plate 25 is in limiting fit with the mounting columns 21 of the upper valve 2 and the lower valve 3. Specifically, the method comprises the following steps: the limiting frame 23 is respectively arranged at the lower end of the upper valve 2 and the upper end of the lower valve 3. The mounting bottom plate 24 is fixed on the contact box mounting plate 1 through a screw or a rivet.

Preferably, the rear end of the limiting plate 25 extends to form a clamping portion 26, a baffle 29 is formed at one side of the front end of the limiting plate 25 through bending, and the baffle 29 abuts against the door shaft 20. The clamping portion 26 is clamped in the clamping groove 27 of the contact box mounting plate 1. The stability of the installation of the limiting plate 25 is improved by the matching of the clamping part 26 and the clamping groove 27. The door spindle 20 is positioned by the stop 29 to improve the stability of the door spindle 20.

Preferably, the two ends of the upper valve 2 and the lower valve 3 are integrally bent to form a reinforcing edge 28, so as to improve the strength of the upper valve 2 and the lower valve 3.

As described above, the present invention is not limited to the above embodiments, and although the present invention has been disclosed in the above embodiments, it is not limited to the above embodiments, and any person skilled in the art can make some changes or modifications to equivalent embodiments without departing from the technical scope of the present invention.

Claims

1. The utility model provides a high tension switchgear valve mechanism, is in including setting up of contact box mounting panel (1) and activity last valve (2) and lower valve (3) on contact box mounting panel (1), it is connected its characterized in that with valve actuating mechanism (4) both ends down valve (3) and to go up valve (2): valve actuating mechanism (4) including integrative bending mounting bracket (5), establish installation axle (6) and rotatable the installing on integrative bending mounting bracket (5) go up crank arm (7) and lower crank arm (8) on installation axle (6), still be equipped with torsional spring (9) on installation axle (6), the first arm of force (10) of torsional spring (9) act on go up crank arm (7), the second arm of force (10 ") with integrative bending mounting bracket (5) are connected, go up crank arm (7) through first gangbar (11) with lower valve (3) are connected, down crank arm (8) through second gangbar (12) with go up valve (2) and connect, integrative bending mounting bracket (5) front end both sides integrative bending shaping have support respectively in go up" L "shape locking lever (13) of crank arm (7), lower arm (8), be equipped with on" L "shape locking lever (13) and normally open lockhole (14), go up crank arm (7), be equipped with on lower crank arm (8) respectively with lockhole (14) normal close lockhole (15), normal close (16) that normally close (16) mutually suit.

2. The high tension switchgear shutter mechanism of claim 1, wherein: the integrative mounting bracket (5) rear end of bending the shaping of bending has torsion spring arm joint post (17), be equipped with first spread groove (18), second spread groove (19) that the degree of depth is different on torsion spring arm joint post (17).

3. The high tension switchgear shutter mechanism of claim 1, wherein: the contact box is characterized in that door shafts (20) are arranged on two sides of the contact box mounting plate (1), mounting columns (21) are formed by integrally bending two ends of the upper valve (2) and the lower valve (3), shaft holes (22) are formed in two ends of the mounting columns (21), the upper valve (2) and the lower valve (3) are movably arranged on the door shafts (20) through the shaft holes (22), and the first linkage rod (11) and the second linkage rod (12) are respectively connected to the mounting columns (21) of the upper valve (2) and the lower valve (3) in a shaft connection mode.

4. The high tension switchgear shutter mechanism of claim 3, wherein: the shaft hole (22) is a waist-shaped hole.

5. The high tension switchgear shutter mechanism of claim 3, wherein: spacing (23) still are equipped with to contact box mounting panel (1) both sides, spacing (23) include mounting plate (24), through right limiting plate (25) that the upper end of mounting plate (24) was bent and is formed, limiting plate (25) with the spacing cooperation of erection column (21) of upper valve (2), lower valve (3).

6. The high tension switchgear shutter mechanism of claim 5, wherein: the rear end of the limiting plate (25) extends to form a clamping portion (26), a baffle (29) is formed by bending one side of the front end of the limiting plate, and the clamping portion (26) is clamped in a clamping groove (27) of the contact box mounting plate (1).

7. The high tension switchgear shutter mechanism of claim 1, wherein: and two ends of the upper valve (2) and the lower valve (3) are integrally bent to form a reinforcing edge (28).