CN213400932U

CN213400932U - Padlock structure for automatic change-over switch

Info

Publication number: CN213400932U
Application number: CN202022754018.4U
Authority: CN
Inventors: 蒋翔瑞; 胡江林; 李三
Original assignee: Wuhan Heng Heng Automatic Control Co ltd
Current assignee: Wuhan Heng Heng Automatic Control Co ltd
Priority date: 2020-11-25
Filing date: 2020-11-25
Publication date: 2021-06-08
Anticipated expiration: 2030-11-25

Abstract

The utility model belongs to the technical field of control switch, especially, relate to a padlock structure for automatic change-over switch. The upper surface of the rotary adjusting turntable is of a wave damping groove structure; the upper end of the rotary adjusting turntable is provided with an adjusting clamping seat, the lower end of the adjusting clamping seat is connected with a plurality of balls through telescopic springs, and the balls are matched with the wave damping grooves to realize the limiting rotation of the rotary adjusting turntable; a rotary driving motor is arranged in the middle of the adjusting clamping seat, the upper end of the rotary driving motor is fixed through a motor fixing support, the lower end of the rotary driving motor is connected with a transmission connecting rod, and the transmission connecting rod is inserted among the adjusting clamping seat, the rotary adjusting turntable and the circuit board and is connected with the fixing base; and a pair of locking bolts is arranged on the outer side of the upper end of the conversion switch shell. The pressure of the damping spring is adjusted in a pressing mode to limit the rotating disc of the change-over switch, and therefore the mechanical padlock of the automatic change-over switch is achieved.

Description

Padlock structure for automatic change-over switch

Technical Field

The utility model belongs to the technical field of control switch, especially, relate to a padlock structure for automatic change-over switch.

Background

An Automatic Transfer Switch (ATS) has an automatic mode and a manual operation mode. When the automatic transfer switch is in the automatic mode, the transfer operation of the automatic transfer switch is automatically performed by its controller or remote control. When the automatic change-over switch is in the manual operation mode, the automatic operation control circuit is cut off, and a worker operates the automatic change-over switch through the operating handle.

The automatic transfer switch is also provided with a padlock mode. The padlock function is typically set for equipment servicing at the load end. That is, the automatic transfer switch can be padlocked if and only if the automatic transfer switch is in a double-split (i.e., OFF state, with the load side not associated with either power source) isolation position, and all transfer operations are disabled until the padlocks are removed, thereby ensuring that the load side and the power source side of the automatic transfer switch are always electrically isolated, ensuring personnel safety for maintenance personnel.

Some solutions with unreliable padlock function exist in the prior art, for example, after the padlock is used, an automatic change-over switch can be operated by a handle, so that the ATS has the risk of failure of the padlock function due to overlarge operating force.

SUMMERY OF THE UTILITY MODEL

Aiming at solving the problems of the defects and the shortcomings of the prior art; an object of the utility model is to provide a simple structure, reasonable in design, convenient to use's a padlock structure for automatic change over switch, change over switch's rolling disc is injectd to its pressure through the mode of pressing regulation damping spring to realize automatic change over switch's mechanical type padlock, avoid the problem of traditional electric isolated auto-lock function inefficacy.

In order to achieve the above object, the utility model adopts the following technical scheme: the device comprises a change-over switch shell, a fixed base, a circuit board, an electric contact, a rotary adjusting turntable, a conducting contact, a wave damping groove, an adjusting clamping seat, a telescopic spring, a ball, a rotary driving motor, a motor fixed support, a transmission connecting rod and a locking bolt; the lower end of the conversion switch outer shell is provided with a fixed base, the bottom of the inner side of the conversion switch outer shell is fixed with a circuit board, the surface of the circuit board is provided with an electric contact, the upper end of the circuit board is provided with a rotary adjusting turntable, the lower surface of the rotary adjusting turntable is provided with a conducting contact, and the conducting contact is in contact with the electric contact in a matched mode to achieve circuit connection; the upper surface of the rotary adjusting turntable is of a wave damping groove structure; the upper end of the rotary adjusting turntable is provided with an adjusting clamping seat, the lower end of the adjusting clamping seat is connected with a plurality of balls through telescopic springs, and the balls are matched with the wave damping grooves to realize the limiting rotation of the rotary adjusting turntable; a rotary driving motor is arranged in the middle of the adjusting clamping seat, the upper end of the rotary driving motor is fixed through a motor fixing support, the lower end of the rotary driving motor is connected with a transmission connecting rod, and the transmission connecting rod is inserted among the adjusting clamping seat, the rotary adjusting turntable and the circuit board and is connected with the fixing base; and a pair of locking bolts is arranged on the outer side of the upper end of the conversion switch shell.

Preferably, a pair of pressing grooves is arranged in the middle of the motor fixing bracket.

Preferably, when a finger presses downwards through the pressing groove, the adjusting clamping seat is locked through the locking bolt to realize simple padlock.

Preferably, the expansion springs and the balls are distributed in a three-point mode.

Preferably, the transmission connecting rod is movably connected with the adjusting clamping seat and the circuit board, and the transmission connecting rod is fixedly connected with the rotation adjusting turntable, so that the rotation adjusting turntable and the rotation driving motor are driven synchronously.

After the structure is adopted, the utility model discloses beneficial effect does: the pressure of the damping spring is adjusted in a pressing mode to limit the rotating disc of the change-over switch, so that a mechanical padlock of the automatic change-over switch is achieved, and the problem that the traditional electric isolation type self-locking function fails is solved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the present invention is described in detail by the following specific embodiments and the accompanying drawings.

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural view of the motor fixing bracket 12 of the present invention;

FIG. 3 is a schematic view of the padlock according to the present invention;

description of reference numerals: the change-over switch comprises a change-over switch outer shell 1, a fixed base 2, a circuit board 3, an electric contact 4, a rotary adjusting turntable 5, a conducting contact 6, a wave damping groove 7, an adjusting clamping seat 8, a telescopic spring 9, a ball 10, a rotary driving motor 11, a motor fixed support 12, a transmission connecting rod 13, a locking bolt 14 and a pressing groove 15.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described below with reference to specific embodiments shown in the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

It should also be noted that, in order to avoid obscuring the invention with unnecessary details, only the structures and/or process steps that are closely related to the solution according to the invention are shown in the drawings, while other details that are not relevant to the invention are omitted.

Referring to fig. 1 to fig. 3, the following technical solutions are adopted in the present embodiment: the device comprises a change-over switch outer shell 1, a fixed base 2, a circuit board 3, an electric contact 4, a rotary adjusting turntable 5, a conducting contact 6, a wave damping groove 7, an adjusting clamping seat 8, a telescopic spring 9, a ball 10, a rotary driving motor 11, a motor fixing support 12, a transmission connecting rod 13 and a locking bolt 14; the lower end of the conversion switch outer shell 1 is provided with a fixed base 2, the bottom of the inner side of the conversion switch outer shell 1 is fixed with a circuit board 3, the surface of the circuit board 3 is provided with an electric contact 4, the upper end of the circuit board 3 is provided with a rotary adjusting turntable 5, the lower surface of the rotary adjusting turntable 5 is provided with a conducting contact 6, and the conducting contact 6 is in contact with the electric contact 4 in a matching way to realize the circuit connection; the upper surface of the rotary adjusting turntable 5 is in a wave damping groove 7 structure; an adjusting clamping seat 8 is arranged at the upper end of the rotary adjusting turntable 5, the lower end of the adjusting clamping seat 8 is connected with a plurality of balls 10 through an expansion spring 9, and the balls 10 are matched with the wave damping grooves 7 to realize the limiting rotation of the rotary adjusting turntable 5; a rotary driving motor 11 is arranged in the middle of the adjusting clamping seat 8, the upper end of the rotary driving motor 11 is fixed through a motor fixing support 12, the lower end of the rotary driving motor 11 is connected with a transmission connecting rod 13, and the transmission connecting rod 13 is inserted among the adjusting clamping seat 8, the rotary adjusting turntable 5 and the circuit board 3 and is connected with the fixed base 2; a pair of locking bolts 14 are arranged on the outer side of the upper end of the conversion switch outer shell 1.

Wherein, a pair of pressing grooves 15 are arranged in the middle of the motor fixing bracket 12; when a finger presses downwards through the pressing groove 15, the adjusting clamping seat 8 is locked by the locking bolt 14 to realize simple padlock; the telescopic spring 9 and the ball 10 are distributed in a three-point mode; the transmission connecting rod 13 is movably connected with the adjusting clamping seat 8 and the circuit board 3, and the transmission connecting rod 13 is fixedly connected with the rotation adjusting turntable 5, so that the rotation adjusting turntable 5 and the rotation driving motor 11 are driven synchronously.

The working principle of the specific embodiment is as follows: firstly, the adjusting clamping seat 8 is pressed downwards through a pressing groove 15 through fingers, so that the telescopic spring 9 is contracted to the shortest position, meanwhile, the locking bolt 14 is clamped at the upper end of the adjusting clamping seat 8 under the action of a spring, the blocking adjusting clamping seat 8 is reset to realize mechanical padlock, when the telescopic spring 9 is in a completely compressed state, the rotary adjusting turntable 5 rotates and limits under the matching of the wave damping groove 7, and even when the padlock is manually operated by strong external force, the padlock state can be kept not to be released.

After adopting above-mentioned structure, this embodiment beneficial effect does: the pressure of the damping spring is adjusted in a pressing mode to limit the rotating disc of the change-over switch, so that a mechanical padlock of the automatic change-over switch is achieved, and the problem that the traditional electric isolation type self-locking function fails is solved.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A padlock structure for an automatic transfer switch, characterized in that: the device comprises a change-over switch outer shell (1), a fixed base (2), a circuit board (3), an electric contact (4), a rotary adjusting turntable (5), a conducting contact (6), a wave damping groove (7), an adjusting clamping seat (8), a telescopic spring (9), a ball (10), a rotary driving motor (11), a motor fixed support (12), a transmission connecting rod (13) and a locking bolt (14); the lower end of the conversion switch outer shell (1) is provided with a fixed base (2), the bottom of the inner side of the conversion switch outer shell (1) is fixed with a circuit board (3), the surface of the circuit board (3) is provided with an electric contact (4), the upper end of the circuit board (3) is provided with a rotary adjusting turntable (5), the lower surface of the rotary adjusting turntable (5) is provided with a conducting contact (6), and the conducting contact (6) is in matched contact with the electric contact (4) to realize the connection of a circuit; the upper surface of the rotary adjusting turntable (5) is of a wave damping groove (7) structure; an adjusting clamping seat (8) is arranged at the upper end of the rotary adjusting turntable (5), the lower end of the adjusting clamping seat (8) is connected with a plurality of balls (10) through a telescopic spring (9), and the balls (10) are matched with the wave damping grooves (7) to realize the limiting rotation of the rotary adjusting turntable (5); a rotary driving motor (11) is arranged in the middle of the adjusting clamping seat (8), the upper end of the rotary driving motor (11) is fixed through a motor fixing support (12), the lower end of the rotary driving motor (11) is connected with a transmission connecting rod (13), and the transmission connecting rod (13) is inserted among the adjusting clamping seat (8), the rotary adjusting turntable (5) and the circuit board (3) and is connected with the fixing base (2); the outer side of the upper end of the conversion switch outer shell (1) is provided with a pair of locking bolts (14).

2. A padlock structure for an automatic transfer switch, according to claim 1, characterized in that: the middle of the motor fixing support (12) is provided with a pair of pressing grooves (15).

3. A padlock structure for an automatic transfer switch, according to claim 1, characterized in that: when a finger of the adjusting clamping seat (8) is pressed downwards through the pressing groove (15), the simple padlock is realized by locking the locking bolt (14).

4. A padlock structure for an automatic transfer switch, according to claim 1, characterized in that: the expansion spring (9) and the ball (10) are distributed in a three-point mode.

5. A padlock structure for an automatic transfer switch, according to claim 1, characterized in that: the transmission connecting rod (13) is movably connected with the adjusting clamping seat (8) and the circuit board (3), and the transmission connecting rod (13) is fixedly connected with the rotation adjusting turntable (5), so that the rotation adjusting turntable (5) and the rotation driving motor (11) are synchronously driven.