CN210722793U - Operating handle for miniature switch - Google Patents

Abstract

The utility model discloses an operating handle for miniature switch, include: the padlock support is provided with a hinge end hinged with the handle upper cover and a padlock end provided with a plurality of padlock holes; a first padlock groove and a second padlock groove which can accommodate the hinged end of the padlock bracket are formed in the handle base; the bottom of the upper handle cover is provided with a convex connecting part, the base of the handle is internally provided with a mounting hole, and the connecting part extends into the mounting hole and is fixedly connected with the connecting locking plate; the connecting part of the handle upper cover and the connecting lock sheet are all provided with square shaft holes matched with the switch square shaft. The utility model discloses an operating handle for miniature switch can realize the padlock function simple and fast ground.

Description

Operating handle for miniature switch

Technical Field

The utility model relates to an accessory technical field of electrical switchgear, concretely relates to operating handle for miniature switch.

Background

The low-voltage switch cabinet is suitable for industries such as power plants, petroleum, chemical industry, metallurgy, textile, high-rise buildings and the like, and is used for power transmission, power distribution and electric energy conversion. The low-voltage switch cabinets structurally mainly comprise a fixed type low-voltage switch cabinet and a draw-out type low-voltage switch cabinet, wherein the draw-out type low-voltage switch cabinet is also often called a drawer type low-voltage switch cabinet.

The drawer type low-voltage switch cabinet consists of a fixed cabinet body and a movable drawer unit provided with main electrical components such as a switch and the like, wherein an operating handle for the switch is arranged on a cabinet door of the movable drawer unit, the operating handle for the switch is matched with a square shaft of the switch, and the operation of the switch cabinet can be controlled by rotating the handle.

The operating handle for the switch of the existing small-sized drawer unit is shown in figure 1, and when the padlock function is realized, the operating handle for the small-sized switch is labor-consuming, a fine iron rod is needed to press a triangular button 9 on a top plate of the handle, so that a padlock hole can be leaked, the actual operation is not convenient, and only one padlock can be added at the padlock hole, and when the operating handle is used in a special occasion with a higher power supply level, only one padlock can be added, so that the requirement cannot be met.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that an operating handle for miniature switch is provided, can realize the padlock function simple and fast ground.

An operation handle for a small switch, comprising: a handle base, a handle upper cover and a connecting locking plate, wherein the handle upper cover and the handle base are rotationally arranged,

the top of the upper handle cover is provided with a padlock bracket installation cavity, a padlock bracket is installed in the installation cavity, part of the padlock bracket is exposed out of the hole wall of the installation cavity to form a gripping part, and the padlock bracket is provided with a hinge end hinged with the upper handle cover and a padlock end provided with a plurality of padlock holes;

a first padlock groove and a second padlock groove which can accommodate the hinged end of the padlock bracket are formed in the handle base;

the bottom of the upper handle cover is provided with a convex connecting part, the base of the handle is internally provided with a mounting hole, and the connecting part extends into the mounting hole and is fixedly connected with the connecting locking plate;

the connecting portion of handle upper cover with connect all set up the square shaft hole with switch square shaft adaptation on the locking plate.

Preferably, the grip portion of the padlock bracket is lifted upwards, so that the hinged end of the padlock bracket enters the first padlock groove or the second padlock groove, the padlock hole of the padlock bracket is exposed out of the top of the handle upper cover, and a padlock is connected with the padlock hole to lock the position of the operating handle for the switch.

Preferably, a first stop block and a second stop block for limiting the rotation of the upper handle cover are arranged in the base of the handle, an extending convex block is arranged at the bottom of the upper handle cover, and the first stop block and the second stop block in the base of the handle are matched with the extending convex block.

Preferably, the operating handle for the switch is provided with a brake separating position locating device, and the brake separating position locating device includes: the positioning convex strip is arranged on the outer side wall of the extending convex block, and the positioning convex strip is arranged on the inner side wall of the handle base.

Preferably, when the hinged end of the padlock bracket is matched with the first padlock groove, the hinged end of the padlock bracket cannot rotate in the circumferential direction of the first padlock groove, and at the moment, the operating handle for the switch is locked at the opening position of the switch; when the hinged end of the padlock bracket is matched with the second padlock groove, the hinged end of the padlock bracket rotates in the second padlock groove in the circumferential direction, and at the moment, the operating handle for the switch is locked at the closing position of the switch and can be tripped and tripped in an emergency state.

Preferably, the hinged end of the padlock bracket is arranged in an olecranon shape, the first padlock groove and the second padlock groove are arranged in arc-shaped grooves, and the length of the second padlock groove is greater than that of the first padlock groove.

Preferably, the top of the upper cover of the handle is provided with a decorative cover, and the decorative cover is connected with the upper cover of the handle in a buckling manner.

Preferably, the decorative cover is provided with a convex clamping strip, and the top of the upper cover of the handle is provided with a clamping groove or a clamping strip mounting hole matched with the clamping strip.

Preferably, a first pin hole is formed in the hinged end of the padlock support, a second pin hole corresponding to the first pin hole is formed in the top of the upper handle cover, and a pin shaft penetrates through the first pin hole and the second pin hole to be connected with the padlock support and the upper handle cover.

Preferably, the handle base is provided in a circular shape.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses an operating handle for miniature switch rotates the padlock support to first padlock recess along with the handle upper cover or during second padlock groove position, grasps the portion of grabbing with the hand and lifts up the padlock support, makes the hinged end of padlock support get into in first padlock recess or the second padlock recess, and the padlock end of padlock support exposes the padlock hole this moment, can very easily articulate the padlock on the lockhole, need not to use appurtenance when lifting up the padlock support.

In addition, a plurality of padlock holes can be formed in the padlock support, only one padlock hole can be formed when the padlock support is used in occasions with lower power supply grade requirements, and two or three padlock holes can be formed according to specific requirements when the padlock support is used in occasions with higher power supply grade requirements.

Drawings

FIG. 1 is a schematic structural diagram of an operating handle for a small and medium-sized switch in the prior art;

fig. 2 is a schematic structural view of an operation handle for a miniature switch of the present invention;

FIG. 3 is an exploded view of the operating handle for the small-sized switch shown in FIG. 2;

FIG. 4 is a structural diagram of the padlock of the operating handle for the miniature switch of the present invention;

FIG. 5 is a cross-sectional view of the operating handle of the miniature switch showing the padlock status;

FIG. 6 is a schematic view of the handle base of FIG. 2;

FIG. 7 is a schematic view of the structure of the upper cover of the handle of FIG. 2;

in the figure: 1-handle base, 11-first padlock groove, 12-second padlock groove, 13-first stop, 14-second stop, 15-positioning convex strip, 2-handle upper cover, 21-installation cavity, 22-connecting part, 23-square shaft hole, 24-extending lug, 241-positioning groove, 25-clamping strip installation hole, 26-second pin hole, 3-padlock support, 31-grasping part, 32-hinged end, 321-first pin hole, 33-padlock end, 34-padlock hole, 4-pin shaft, 5-decorative cover, 51-indication mark, 6-connecting locking plate, 61-square shaft hole, 7-screw and 9-triangular button.

Detailed Description

The following detailed description of the embodiments of the present invention will be provided in conjunction with the accompanying drawings and specific embodiments for further understanding the objects, aspects and functions of the present invention, but not for limiting the scope of the appended claims.

The following description will be made by taking an example in which the operation handle for the small-sized switch is attached to the small-sized drawer type low-voltage switch cabinet:

as shown in fig. 2 to 7, the operating handle for a small switch includes: the handle comprises a handle base 1, a handle upper cover 2 and a connecting locking plate 6, wherein the handle base 1 is fixed on a drawer unit, the handle base 1 and the handle upper cover 2 are rotatably arranged, a padlock bracket mounting cavity 21 is formed in the top of the handle upper cover 2, a padlock bracket 3 is mounted in the mounting cavity 21, part of the padlock bracket 3 is exposed out of the hole wall of the mounting cavity 21 to form a gripping part 31, and a hinge end 32 hinged with the handle upper cover 2 and a padlock end 33 provided with a plurality of padlock holes 34 are arranged on the padlock bracket 3; the handle base 1 is internally provided with a first padlock recess 11 and a second padlock recess 12 which can receive the hinged end 32 of the padlock bracket 3.

The bottom of the handle upper cover 2 is provided with a convex connecting part 22, the handle base 1 is internally provided with a mounting hole 13 matched with the connecting part 22, and the connecting part 22 extends into the mounting hole 13 and is fixedly connected with the connecting locking plate 6; in this embodiment, the connecting locking piece 6 and the connecting portion 22 are fixedly connected by the screw 7. The connecting part 22 of the handle upper cover 2 and the connecting locking plate 6 are both provided with square shaft holes (23, 61) matched with the square shaft of the switch.

In this example, as shown in fig. 5, the mounting hole 13 set up in the bottom of handle base 1 is set up to be greater than the shoulder hole in last aperture for lower aperture, the diameter of connecting locking plate 6 is greater than the last aperture of mounting hole 13, in order to reach the purpose of preventing connecting locking plate 6 and handle upper cover 2 relative handle base 1 axial rebound, but the diameter of connecting locking plate 6 is less than mounting hole 13 lower aperture, in order to reach connecting locking plate 6 and to hold in the lower aperture of mounting hole 13, connecting locking plate 6 installs behind the connecting portion 22 of handle upper cover 2 promptly, the bottom surface of connecting locking plate 6 does not bulge handle base 1's bottom surface outward.

As shown in fig. 4 and 5, when the handle upper cover 2 is rotated to rotate the padlock bracket 3 until the hinge end 32 of the padlock bracket 3 is aligned with the first groove 11 or the second groove 12, the operator lifts the grip 31 of the padlock bracket 3 by hand to make the hinge end 32 of the padlock bracket 3 enter the first padlock groove 11 or the second padlock groove 12, and the padlock hole 34 of the padlock end 33 is exposed out of the top of the handle upper cover 2, and is in a padlock-capable state, i.e. the padlock is connected with the padlock hole 34 of the padlock end 33, so that the position of the operating handle for the padlock is locked.

As shown in fig. 6, a first stopper 13 and a second stopper 14 for limiting the rotation of the handle upper cover 2 are arranged in the handle base 1, an extending protrusion 24 is arranged at one end of the bottom of the handle upper cover 2 corresponding to the latch end 33, and the first stopper 13 and the second stopper 14 in the handle base 1 are matched with the extending protrusion 24. That is, when the extension protrusion 24 of the handle cover 2 is rotated to the position of the first stopper 13 in the handle base 1, the first stopper 13 stops the handle cover 2 from further rotating, and when the extension protrusion 24 of the handle cover 2 is rotated to the position of the second stopper 14 in the handle base 1, the second stopper 14 stops the handle cover 2 from further rotating.

As shown in fig. 6 and 7, the switch operating handle is provided with an opening position positioning device, which includes: positioning groove 241 and positioning convex strip 15 of adaptation with it, positioning groove open 241 locate extend on the lateral wall of lug 24, positioning convex strip 15 sets up on the inside wall of handle base 1. The depth of the opening positioning groove 241 is shallow, when the handle upper cover 2 rotates until the positioning convex strip 15 enters the opening positioning groove 241, the locking can occur, if the operator needs to increase the force to make the positioning groove 241 of the handle upper cover 2 pass over the positioning convex strip 15, the opening position positioning device obviously gives the operator a prompt that the position is the opening position.

When the hinged end 32 of the padlock bracket 3 is matched with the first padlock groove 11, the hinged end 32 of the padlock bracket 3 cannot rotate in the inner circumference direction of the first padlock groove 11, and at the moment, the operating handle for the switch is locked at the opening position of the switch; when the hinge end 32 of the padlock bracket 3 is engaged with the second padlock groove 12, the hinge end 32 of the padlock bracket 3 can be rotated circumferentially in the second padlock groove 12, and at this time, the switch is locked at the closing position of the switch by the operation handle and can be tripped in an emergency state.

Of course, the outer surface of the handle base is provided with a status mark (not shown in the prior art), such as ON (closed state), TRIP (TRIP position), OFF (TRIP position), RESET (RESET position), etc., which is not described herein again, the front portion of the decorative cover 5 is provided with an indication mark 51, and when the indication mark rotates to the corresponding status mark, it indicates that the switch cabinet is in the corresponding status.

As shown in fig. 2 to 5, a decorative cover 5 is mounted on the top of the handle upper cover 2, and the decorative cover 5 is connected with the handle upper cover 2 in a snap-fit manner. The preferable structure is as follows: convex clamping strips 51 are arranged at two side parts of the decorative cover, and a clamping groove or a clamping strip mounting hole 25 matched with the clamping strips 51 is arranged at the top of the handle upper cover 2.

The hinge end 32 of the padlock bracket 3 is provided with a first pin hole 321, the top of the handle upper cover 2 is provided with a second pin hole 26 corresponding to the first pin hole 321, and the pin shaft 4 passes through the first pin hole 321 and the second pin hole 26 to connect the padlock bracket 3 and the handle upper cover 2.

The handle base 1 is preferably provided in a circular shape in this embodiment. The hinged end 32 of the padlock bracket 3 is arranged in an olecranon shape, the first padlock groove 11 and the second padlock groove 12 are both arranged in an arc-shaped groove, and the length of the second padlock groove 12 is greater than that of the first padlock groove 11.

The utility model discloses an operating handle for miniature switch, rotate padlock support 3 along with the handle upper cover to first padlock recess 11 or second padlock recess 12 positions, grasp grip 31 with the hand and lift up padlock support 3, make the hinged end 32 of padlock support 3 also be in olecranon end gets into first padlock recess 11 or second padlock recess 12, padlock support 3's padlock end exposes padlock hole 34 this moment, can articulate the padlock on lockhole 34 very easily, need not to use appurtenance when lifting padlock support 3.

In addition, a plurality of padlock holes 34 can be arranged on the padlock bracket 3, only one padlock hole can be arranged when the padlock bracket is used in the occasions with lower power supply grade requirements, and two or three padlock holes can be arranged according to specific requirements when the padlock bracket is used in the occasions with higher power supply grade requirements. In this embodiment, three padlock holes are provided in the padlock bracket 3.

The present invention is not limited to the above embodiments, and all improvements made based on the concept, principle, structure and method of the present invention are all within the protection scope of the present invention.

Claims (10)

1. An operation handle for a small switch, comprising: a handle base, a handle upper cover and a connecting locking plate, wherein the handle upper cover and the handle base are rotationally arranged,

the top of the upper handle cover is provided with a padlock bracket installation cavity, a padlock bracket is installed in the installation cavity, part of the padlock bracket is exposed out of the hole wall of the installation cavity to form a gripping part, and the padlock bracket is provided with a hinge end hinged with the upper handle cover and a padlock end provided with a plurality of padlock holes;

a first padlock groove and a second padlock groove which can accommodate the hinged end of the padlock bracket are formed in the handle base;

the bottom of the upper handle cover is provided with a convex connecting part, the base of the handle is internally provided with a mounting hole, and the connecting part extends into the mounting hole and is fixedly connected with the connecting locking plate;

the connecting portion of handle upper cover with connect all set up the square shaft hole with switch square shaft adaptation on the locking plate.

2. The operating handle for a miniature switch as set forth in claim 1, wherein said grip portion of said padlock holder is lifted upward to allow said hinge end of said padlock holder to enter said first or second padlock groove, and said padlock hole of said padlock holder is exposed from the top of said handle upper cover, and a padlock is coupled to said padlock hole to lock the position of said operating handle for a miniature switch.

3. The handle of claim 1, wherein the handle base has a first stop and a second stop for limiting the rotation of the handle cover, the handle cover has an extension protrusion at the bottom, and the first stop and the second stop in the handle base are adapted to the extension protrusion.

4. An operating handle for a miniature switch as set forth in claim 3, wherein said operating handle for a miniature switch is provided with a opening position positioning means, said opening position positioning means comprising: the positioning convex strip is arranged on the outer side wall of the extending convex block, and the positioning convex strip is arranged on the inner side wall of the handle base.

5. The operating handle for a miniature switch as set forth in claim 3, wherein said operating handle for a switch is locked in a switch-off position when said hinged end of said padlock bracket is engaged with said first padlock recess and said hinged end of said padlock bracket cannot be rotated circumferentially in said first padlock recess; when the hinged end of the padlock bracket is matched with the second padlock groove, the hinged end of the padlock bracket rotates in the second padlock groove in the circumferential direction, and at the moment, the operating handle for the switch is locked at the closing position of the switch and can be tripped and tripped in an emergency state.

6. The operating handle for a miniature switch as set forth in claim 5, wherein said hinged end of said padlock bracket is configured as an olecranon, said first and second padlock recesses are configured as arc-shaped recesses, and a length of said second padlock recess is greater than a length of said first padlock recess.

7. The manipulating handle for the miniature switch as set forth in claim 1, wherein a decorative cover is mounted on a top of said handle upper cover, and said decorative cover is snap-coupled to said handle upper cover.

8. The handle as claimed in claim 7, wherein the decorative cover has a protruding clip strip, and the top of the upper cover has a slot or a hole for receiving the clip strip.

9. The operating handle for a miniature switch as set forth in claim 1, wherein said padlock bracket has a first pin hole at its hinged end, and said handle top cover has a second pin hole at its top portion corresponding to said first pin hole, and a pin shaft passing through said first pin hole and said second pin hole connects said padlock bracket and said handle top cover.

10. The operating handle for the small size switch as claimed in any one of claims 1 to 9, wherein the handle base is provided in a circular shape.

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