CN216288058U

CN216288058U - Locking switch on explosion-proof combined switch shell

Info

Publication number: CN216288058U
Application number: CN202123101537.1U
Authority: CN
Inventors: 孙海杰; 郭祥川; 陈相美; 刘上; 宁小兵; 周永久; 张鸣
Original assignee: Huaxia Tianxin Intelligent Internet Of Things Co ltd
Current assignee: Huaxia Tianxin Intelligent Internet Of Things Co ltd
Priority date: 2021-12-02
Filing date: 2021-12-02
Publication date: 2022-04-12
Anticipated expiration: 2031-12-02

Abstract

The utility model provides a locking switch on an explosion-proof combined switch shell, which comprises a shell and an isolating switch arranged in the shell, wherein an explosion-proof switch mechanism and an explosion-proof locking mechanism for locking the explosion-proof switch mechanism are arranged on the shell; the explosion-proof switch mechanism comprises a rotating shaft which is rotatably arranged on the shell, and one end of the rotating shaft, which extends into the shell, is connected with a locking limiting plate and a transmission assembly for driving the isolating switch; when the rotating shaft drives the transmission assembly to drive the isolating switch to act, the rotation state of the locking limiting plate is limited through the explosion-proof locking mechanism; the effect of locking between the switch mechanism and the isolating switch is improved.

Description

Locking switch on explosion-proof combined switch shell

Technical Field

The utility model relates to the field of isolating switches, in particular to a locking switch on an explosion-proof combined switch shell.

Background

The combined switch is applied to frequency conversion technology and microelectronic technology and mainly protects overcurrent, overvoltage, overload and the like; after the switch action, the switch is required to be quickly stopped in an emergency, and the switch action is closed or linkage control is formed.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model provides a locking switch on an explosion-proof combined switch shell, which solves the problem of locking between a switch mechanism and an isolating switch.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a latching switch on an explosion-proof combined switch shell comprises a shell and an isolating switch arranged in the shell, wherein an explosion-proof switch mechanism and an explosion-proof latching mechanism for latching the explosion-proof switch mechanism are arranged on the shell;

the explosion-proof switch mechanism comprises a rotating shaft which is rotatably arranged on the shell, and one end of the rotating shaft, which extends into the shell, is connected with a locking limiting plate and a transmission assembly for driving the isolating switch;

when the rotating shaft drives the transmission assembly to drive the isolating switch to act, the rotation state of the locking limiting plate is limited through the explosion-proof locking mechanism.

Preferably, the locking limit plate is provided with three arc grooves corresponding to the action state of the disconnecting switch.

Preferably, the explosion-proof locking mechanism comprises a button flange arranged on the shell and a locking button arranged in the button flange in a sliding way;

the part of the locking button extending into the shell is connected with a collision block which is matched with the arc groove in a clamping way, and a spring for resetting the locking button is arranged in the button flange;

the micro switch is arranged on the shell and used for sending a locking signal;

the locking button pushes the touch block to trigger the microswitch.

Preferably, the shell is provided with a first copper sleeve matched with the rotating shaft and a second copper sleeve matched with the locking button.

Preferably, the transmission assembly comprises a first switch rotating arm arranged on the rotating shaft and a second switch rotating arm arranged on the isolating switch;

the first switch rotating arm is provided with a connecting rod, and the second switch rotating arm is provided with a strip-shaped hole matched with the connecting rod.

Preferably, the shell is provided with a limit connecting plate, a first angle stop block and a second angle stop block, wherein the first angle stop block and the second angle stop block are arranged on the limit connecting plate;

a limit stop block is arranged on the rotating shaft;

the first angle stop block and the second angle stop block limit the rotation angle of the limit stop block.

Preferably, the limit rotation angle of the first angle stopper and the second angle stopper is 135 °.

Preferably, the limit connecting plate is rotatably provided with a limit switch for positioning the limit stop.

Preferably, the part of the rotating shaft, which is positioned outside the shell, is provided with an operating rod handle.

Preferably, the shell is provided with a switch indication board and a locking indication board.

Compared with the prior art, the utility model has the following beneficial effects:

the explosion-proof switch mechanism can drive the isolating switch under the condition of meeting explosion-proof requirements, and the action of the explosion-proof switch mechanism is synchronously linked through the explosion-proof locking mechanism, so that the effect of locking linkage between the isolating switch and the switch mechanism in the action process is realized.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of an explosion-proof switch mechanism;

FIG. 3 is a schematic structural view of the explosion-proof locking mechanism;

in the figure, the position of the upper end of the main shaft,

casing 1, isolator 2, explosion-proof switch mechanism 3, pivot 31, shutting limiting plate 32, circular arc groove 320, drive assembly 33, first switch rocking arm 331, second switch rocking arm 332, connecting rod 333, bar hole 334, explosion-proof blocked mechanical system 4, button flange 41, shutting button 42, bump piece 43, spring 44, micro-gap switch 45, first copper sheathing 5, second copper sheathing 6, limit connection board 7, first angle dog 8, second angle dog 9, limit dog 10, limit switch 11, action bars handle 12, switch sign 13, shutting sign 14.

Detailed Description

The present invention is further described below in conjunction with the following figures and specific examples so that those skilled in the art may better understand the present invention and practice it, but the examples are not intended to limit the present invention.

As shown in fig. 1-3, the embodiment of the present invention provides a latching switch on an explosion-proof combined switch housing, which includes a housing 1 and a disconnecting switch 2 installed in the housing 1, wherein an explosion-proof switch mechanism 3 and an explosion-proof latching mechanism 4 for latching the explosion-proof switch mechanism 3 are installed on the housing 1; the explosion-proof switch mechanism 3 comprises a rotating shaft 31 rotatably mounted on the housing 1, and one end of the rotating shaft 31 extending into the housing 1 is connected with a locking limit plate 32 and a transmission assembly 33 for driving the disconnecting switch 2; when the rotating shaft 31 drives the transmission assembly 33 to drive the isolating switch 2 to act, the rotation state of the locking limit plate 32 is limited through the explosion-proof locking mechanism 4; when controlling isolator 2's action, through letting transmission assembly 33 take the mechanism action on isolator 2 after rotating pivot 31 outside casing 1 to can form the action of isolation mode, guarantee safety control's process, form the locking under every control state through shutting limiting plate 32 and explosion-proof blocked mechanical system 4 simultaneously, and can carry out reset control to shutting limiting plate 32 under emergency appears.

Specifically, be equipped with the three circular arc groove 320 that is used for corresponding isolator 2 action state on shutting limiting plate 32, correspond three regulation state of corotation, stopping and reversal respectively, and take shutting limiting plate 32 to rotate in step back at pivot 31 and can form the switch operating condition of corresponding position through three circular arc groove 320 with explosion-proof blocked mechanical system 4 and play the locking, and can let shutting limiting plate 32 automatically rotate to the stop position after actively driving explosion-proof blocked mechanical system 4.

Wherein, the explosion-proof locking mechanism 4 comprises a button flange 41 arranged on the shell 1 and a locking button 42 arranged in the button flange 41 in a sliding way; the part of the locking button 42 extending into the housing 1 is connected with a collision block 43 which is in clamping fit with the arc groove 320, and after the locking limit plate 32 rotates, the collision block 43 can be matched with the arc groove 320 to form limit in a corresponding position switch state; when the action of the isolating switch 2 needs to be stopped, the latching limiting plate 32 can be automatically reset to the stop position after the latching block 43 moves out of the arc groove 320 by pushing the latching button 42 to move; in order to ensure the next automatic locking, a spring 44 for resetting the locking button 42 is installed in the button flange 41, so that the locking button 42 can be automatically reset after being pushed each time. Meanwhile, the device also comprises a microswitch 45 which is arranged on the shell 1 and is used for sending a locking signal; and the latch button 42 pushes the latch 43 to actuate the microswitch 45; when a problem is found in the operation process, the collision block 43 triggers the micro switch 45 and then sends a signal to stop the isolating switch 2 to cut off the isolating switch 2 under the condition of zero load by pressing the locking button 42; the lock button 42 is returned by the spring 44, and the three states of the lock stopper plate 32 are stopped by the stopper 43 when the disconnecting switch 2 is next activated.

Specifically, install on casing 1 with pivot 31 complex first copper sheathing 5, and with shutting button 42 complex second copper sheathing 6 can reduce the fit clearance through the effect of first copper sheathing 5, second copper sheathing 6 to can guarantee explosion-proof isolation standard.

Specifically, the transmission assembly 33 includes a first switch rotating arm 331 mounted on the rotating shaft 31 and a second switch rotating arm 332 mounted on the disconnecting switch 2; a connecting rod 333 is arranged on the first switch rotating arm 331, and a strip-shaped hole 334 matched with the connecting rod 333 is arranged on the second switch rotating arm 332; when the rotating shaft 31 rotates, the isolating switch 2 is driven to act through the transmission assembly 33.

In order to limit the rotation angle of the rotating shaft 31 and switch the rotation angle among forward transmission, stop and reverse rotation states, a limit connecting plate 7, a first angle stop 8 and a second angle stop 9 are arranged on the limit connecting plate 7 and are arranged on the shell 1; and a limit stop 10 is arranged on the rotating shaft 31; the rotation angle of the limit stopper 10 is limited by the first angle stopper 8 and the second angle stopper 9, and the limit rotation angle of the first angle stopper 8 and the second angle stopper 9 is 135 °.

Specifically, a limit switch 11 for positioning the limit stop 10 is rotatably mounted on the limit connecting plate 7, and the position of the rotating shaft 31 can be limited by the limit switch 11.

In order to facilitate the pulling of the rotating shaft 31, a lever handle 12 is provided at a portion of the rotating shaft 31 located outside the housing 1.

In order to indicate the switching state, a switch indicator 13 and a lock indicator 14 are provided on the case 1.

In the description of the present invention, it is to be understood that the terms indicating an orientation or positional relationship are based on the orientation or positional relationship shown in the drawings only for the convenience of describing the present invention and simplifying the description, and 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.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or the orientations or positional relationships that the products of the present invention are usually placed in when used, and are only used for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the description refers must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.

Claims

1. The utility model provides a shutting switch on explosion-proof combination switch casing, includes casing (1) and installs isolator (2) in casing (1), its characterized in that: the shell (1) is provided with an explosion-proof switch mechanism (3) and an explosion-proof locking mechanism (4) for locking the explosion-proof switch mechanism (3);

the explosion-proof switch mechanism (3) comprises a rotating shaft (31) rotatably mounted on the shell (1), and one end, extending into the shell (1), of the rotating shaft (31) is connected with a locking limiting plate (32) and a transmission assembly (33) for driving the isolating switch (2);

when pivot (31) drive transmission assembly (33) drive isolator (2) action, through explosion-proof blocked mechanical system (4) are right the rotation state of shutting limiting plate (32) is spacing.

2. A latching switch on an explosion proof combination switch housing as claimed in claim 1, wherein: and the locking limit plate (32) is provided with three arc grooves (320) which are used for corresponding to the action state of the isolating switch (2).

3. A latching switch on an explosion proof combination switch housing as claimed in claim 2, wherein: the explosion-proof locking mechanism (4) comprises a button flange (41) arranged on the shell (1) and a locking button (42) arranged in the button flange (41) in a sliding way;

the part of the locking button (42) extending into the shell (1) is connected with a collision block (43) which is matched with the arc groove (320) in a clamping way, and a spring (44) for resetting the locking button (42) is arranged in the button flange (41);

the locking device also comprises a microswitch (45) which is arranged on the shell (1) and is used for sending a locking signal;

the locking button (42) pushes the latch block (43) to trigger the microswitch (45).

4. A latching switch on an explosion proof combination switch housing as claimed in claim 3, wherein: the shell (1) is provided with a first copper sleeve (5) matched with the rotating shaft (31) and a second copper sleeve (6) matched with the locking button (42).

5. A latching switch on an explosion proof combination switch housing according to any of claims 1 to 4, characterized in that: the transmission assembly (33) comprises a first switch rotating arm (331) arranged on the rotating shaft (31) and a second switch rotating arm (332) arranged on the isolating switch (2);

the first switch rotating arm (331) is provided with a connecting rod (333), and the second switch rotating arm (332) is provided with a strip-shaped hole (334) matched with the connecting rod (333).

6. A latching switch on an explosion proof combination switch housing as claimed in claim 5, wherein: a limiting connecting plate (7) and a first angle stop block (8) and a second angle stop block (9) which are arranged on the limiting connecting plate (7) are arranged on the shell (1);

a limit stop block (10) is arranged on the rotating shaft (31);

the first angle stop block (8) and the second angle stop block (9) limit the rotation angle of the limit stop block (10).

7. A latching switch on an explosion proof combination switch housing as claimed in claim 6, wherein: the limiting rotation angle of the first angle stop block (8) and the second angle stop block (9) is 135 degrees.

8. A latching switch on an explosion proof combination switch housing as claimed in claim 7, wherein: and a limit switch (11) used for positioning the limit stop (10) is rotatably arranged on the limit connecting plate (7).

9. A latching switch on an explosion proof combination switch housing as claimed in claim 8, wherein: and an operating rod handle (12) is arranged on the part of the rotating shaft (31) positioned outside the shell (1).

10. A latching switch on an explosion proof combination switch housing as claimed in claim 9, wherein: and a switch indication board (13) and a locking indication board (14) are arranged on the shell (1).