CN219144017U - Low-voltage electrical switch capable of preventing false triggering and low-voltage electrical equipment - Google Patents

Abstract

The utility model relates to a prevent low-voltage electric switch of mistake triggering, including the switch shell, still including wearing to locate just movable operating lever that sets up on the switch shell, movable operating handle on the operating lever one end and locate the operating lever other end and with operating lever matched with switch mechanism, the switch shell includes the body seat, the body seat with be equipped with detachable stop gear between the operating handle, works as when stop gear dismantles, operating handle can drive the operating lever removes, works as when stop gear connects, operating handle restriction operating lever removes, blocks operating handle through design detachable stop gear, makes its switch still do not act when operating workman mistake touches, and the device can avoid workman to operate equipment in-process mistake touch the switch effectively to ensured workman's personal safety, also reduced the equipment damage problem that leads to because of the maloperation simultaneously.

Description

Low-voltage electrical switch capable of preventing false triggering and low-voltage electrical equipment

[ field of technology ]

The application relates to the technical field of low-voltage electric control devices, in particular to a low-voltage electric switch capable of preventing false triggering and low-voltage electric equipment.

[ background Art ]

The equipment is controlled independently of the electrical switch, and the equipment is widely applied to industry or production. The electric switch mainly provides a closed loop or an open loop for a control circuit, one control desk is composed of dozens or more electric switches, and is inevitably touched by mistake in daily operation, so that unnecessary fault events are caused, the traditional mechanical low-voltage electric switch is not provided with a corresponding false triggering prevention device, and the switch is easily touched by mistake in the process of operating equipment by workers, so that the equipment is damaged or the workers get an electric shock to cause personal safety.

[ utility model ]

In order to enable industrial machine equipment to be more stable in the use process and avoid workers to touch the electric switch by mistake in the equipment operation process, the damage of the machine equipment or the electric shock problem caused by misoperation of the workers are avoided, and the application provides the following scheme:

the utility model provides a prevent low-voltage electric switch of mistake trigger, includes switch shell, still including wearing to locate on the switch shell and the action bars that the activity set up, action bars that the activity was located on the action bars one end and locate the action bars other end and with action bars matched with switch mechanism, switch shell includes the body seat, the body seat with be equipped with detachable stop gear between the action bars, works as when stop gear dismantles, the action bars can drive the action bars removes, works as when stop gear connects, the action bars restriction the action bars remove.

The low-voltage electrical switch capable of preventing false triggering comprises the limiting mechanism which comprises the limiting groove arranged on one of the operating handle and the body seat and the limiting protrusion arranged on the other of the operating handle and the body seat.

According to the low-voltage electrical switch capable of preventing false triggering, the number of the limiting protrusions and the number of the limiting grooves are two, and the limiting protrusions and the limiting grooves are distributed on two sides of the operating rod.

The low-voltage electrical switch capable of preventing false triggering comprises the operating rod, and the operating rod comprises the handle spring and the handle spring fixing bolt, wherein the handle spring is used for pushing the limiting mechanism towards the direction approaching to the body seat so as to keep the limiting mechanism in a connected state, and the handle spring fixing bolt is used for fixing the handle spring on the operating rod.

According to the low-voltage electrical switch capable of preventing false triggering, the operating rod fixing bolt hinged with the operating rod is arranged on the body seat and used for fixing the operating rod to the body seat, so that the operating rod swings relative to the body seat.

The low-voltage electrical switch capable of preventing false triggering comprises the straight rod movable hammer connected with one end of the operating rod and the arc-shaped contact piece arranged at one end of the straight rod movable hammer far away from the operating rod.

According to the low-voltage electric switch capable of preventing false triggering, the connecting shell used for fixedly connecting the operating rod is arranged on the straight rod movable hammer, and the connecting spring is arranged between the operating rod and the straight rod movable hammer.

According to the false triggering prevention low-voltage electric switch, the rubber ring is arranged on the connecting spring along the circumferential direction and is used for buffering the load when the operating rod swings.

A low voltage electrical apparatus comprising a false triggering prevention low voltage electrical switch as described above.

Compared with the prior art, the application has the following advantages:

this application blocks operating handle through design detachable stop gear, makes its switch still not act when operating the workman mistake and touches, and the device can avoid the workman to operate equipment in-process mistake and touch the switch effectively to guaranteed workman's personal safety, also reduced the equipment damage problem that leads to because of the maloperation simultaneously.

[ description of the drawings ]

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings that are required to be used in the description of the embodiments will be briefly described below.

FIG. 1 is a schematic perspective view of a false triggering prevention low voltage electrical switch of the present application;

FIG. 2 is a schematic perspective cross-sectional view of a false triggering prevention low voltage electrical switch of the present application;

FIG. 3 is a schematic diagram of a left-hand view of the false triggering prevention low voltage electrical switch of the present application;

FIG. 4 is a schematic diagram of a switch of the present application swinging left trigger switch;

fig. 5 is a schematic diagram of the switch of the present application swinging to the right to trigger the switch.

[ detailed description ] of the utility model

The embodiment discloses low-voltage electrical equipment, low-voltage electrical equipment has included a low-voltage electrical switch of preventing false triggering as shown in fig. 1 through 3, and a low-voltage electrical switch of preventing false triggering, including switch shell 1, still including wear to locate on the switch shell 1 and the movable operation handle 4 that sets up, the activity locates on operation handle 22 one end and locate the operation handle 22 other end and with operation handle 22 matched with switch mechanism 6, switch shell 1 includes body seat 21, body seat 21 with be equipped with detachable stop gear 5 between operation handle 4, when stop gear 5 dismantles, operation handle 4 can drive operation handle 22 removes, when stop gear 5 connects, operation handle 4 restriction operation handle 22 removes, blocks operation handle 4 through the design detachable stop gear, makes it still not move when operation handle 4 touches by mistake, and the device can effectively touch in the operation equipment to the personal safety problem has been guaranteed to the personal safety problem that has also led to the personal injury because of the mistake has been reduced in the operation workman.

Preferably, the limiting mechanism 5 includes a limiting groove 52 formed in one of the operating handle 4 and the body seat 21, and a limiting protrusion 51 formed in the other of the operating handle 4 and the body seat 21, and the detachable limiting mechanism 5 is designed to be matched with the limiting protrusion 51 and the limiting groove 52, so that the structure is simple, the stability is high, the operating handle 4 can be better clamped, and misoperation is avoided.

Preferably, the number of the limiting protrusions 51 and the number of the limiting grooves 52 are two, and the limiting protrusions 51 and the limiting grooves 52 are distributed on two sides of the operating rod 22, and the two limiting protrusions 51 and the limiting grooves 52 are correspondingly clamped, so that the operating handle can be better clamped, and the unlocking operation can be conveniently performed on the two sides.

Preferably, the operating lever 22 includes a handle spring 41 for pushing the limiting mechanism 5 toward the direction approaching the body seat 21 to keep the limiting mechanism 5 in a connected state, and a handle spring fixing bolt 42 for fixing the handle spring 41 to the operating lever 22, and by providing the handle spring 41, the operating handle 4 can be pushed toward the body seat 21 by elastic force under the condition of not using, so that the limiting mechanism 5 can be better ensured to avoid misoperation when not operating.

Preferably, the body seat 21 is provided with an operation rod fixing bolt 26 hinged to the operation rod 22, so that the operation rod 22 is fixed to the body seat 21, and the operation rod 22 swings relative to the body seat 21, and by setting the operation rod fixing bolt 26, the operation rod can be driven to swing back and forth, so that the switch is driven to be opened or closed.

Preferably, the switch mechanism 6 includes a straight bar movable hammer 62 disposed at one end of the operating lever 22 and an arc contact piece 61 disposed at one end of the straight bar movable hammer 62 away from the operating lever 22, and the swing of the straight bar movable hammer 62 drives the swing of the arc contact piece 61, so that the switch contacts better and the electrical performance is better.

Preferably, the movable hammer of the straight rod is provided with a connecting shell 223 for fixedly connecting the operating rod 22, a connecting spring 222 is arranged between the operating rod 22 and the movable hammer 62 of the straight rod, and the switch can be operated better through the operating rod by arranging the connecting spring 222 and the connecting shell 223, so that the switch is better in contact and better in electrical performance.

Preferably, the connecting spring 222 is provided with a rubber ring 221 along the circumferential direction, the rubber ring 221 is used for buffering the load when the operating rod 22 swings, and by providing the buffered rubber ring 221, the problem that the electric switch is damaged too quickly due to too strong force in the operating process can be well avoided.

Based on the above embodiments, a specific description of the working principle is made:

as shown in fig. 4 and fig. 5, when the switch is operated, the user moves the operating handle 4 to detach and separate the limit mechanism 5, the user operates the operating lever 22 to swing, and the operating lever 22 drives the straight bar movable hammer 62 to act through the connecting housing 223, so as to drive the arc contact piece 61 to swing, and the connecting terminal on the switch is turned on, so that the switch is closed.

When the switch is in a non-action state, the handle spring 41 arranged on the operating rod 22 pushes against the limiting mechanism 5, so that the limiting mechanism 5 is kept in a connection state, thereby limiting the movement of the operating rod 22 and avoiding the safety problem caused by misoperation of the electric switch by a user.

The above description of one embodiment provided in connection with a particular disclosure is not intended to limit the practice of this application to that particular disclosure. Any approximation, or substitution of techniques for the methods, structures, etc. of the present application or for the purposes of making a number of technological deductions or substitutions based on the concepts of the present application should be considered as the scope of protection of the present application.

Claims (9)

1. The utility model provides a prevent low-voltage electric switch of mistake trigger, includes switch housing (1), its characterized in that still including wearing to locate on switch housing (1) and action bars (22) that the activity set up, action bars (4) and locating action bars (22) other end and with action bars (22) matched with switch mechanism (6) on one end, switch housing (1) include body seat (21), body seat (21) with be equipped with detachable stop gear (5) between action bars (4), works as when stop gear (5) dismantle, action bars (4) can drive action bars (22) remove, works as when stop gear (5) connect, action bars (4) restriction action bars (22) remove.

2. The false triggering prevention low voltage electrical switch as claimed in claim 1, wherein the limit mechanism (5) comprises a limit groove (52) arranged on one of the operating handle (4) and the body seat (21) and a limit protrusion (51) arranged on the other of the operating handle (4) and the body seat (21).

3. The false triggering prevention low voltage electrical switch as claimed in claim 2, wherein the number of the limit protrusions (51) and the limit grooves (52) is two, and the limit protrusions and the limit grooves are distributed on both sides of the operation rod (22).

4. The false triggering prevention low voltage electrical switch as claimed in claim 1, wherein the operation lever (22) includes a handle spring (41) for pressing the limit mechanism (5) toward the direction approaching the body seat (21) to keep the limit mechanism (5) in a connected state, and a handle spring fixing bolt (42) for fixing the handle spring (41) to the operation lever (22).

5. The false triggering prevention low voltage electrical switch as claimed in claim 1, wherein the body base (21) is provided with an operation lever fixing bolt (26) hinged with the operation lever (22) for fixing the operation lever (22) to the body base (21) so as to swing the operation lever (22) relative to the body base (21).

6. The false triggering prevention low voltage electrical switch as claimed in claim 1, wherein the switch mechanism (6) comprises a straight bar movable hammer (62) arranged at one end of the operation rod (22) and an arc-shaped contact piece (61) arranged at one end of the straight bar movable hammer (62) far away from the operation rod (22).

7. The false triggering prevention low voltage electrical switch as recited in claim 6, wherein a connection housing (223) for fixedly connecting the operation lever (22) is provided on the straight lever movable hammer, and a connection spring (222) is provided between the operation lever (22) and the straight lever movable hammer (62).

8. The false triggering prevention low voltage electrical switch as claimed in claim 7, wherein the connection spring (222) is circumferentially provided with a rubber ring (221), and the rubber ring (221) is used for buffering the load when the operation rod (22) swings.

9. Low-voltage electrical apparatus comprising a false-triggering-preventing low-voltage electrical switch as claimed in any one of claims 1 to 7.

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