CN221040437U - Warning sign is used in maintenance - Google Patents

Abstract

The utility model relates to the technical field of maintenance tools and discloses a warning board for maintenance, which comprises a circular main board, wherein two fixing plates are fixedly connected to the inner wall of the circular main board, a rotating hole is formed in the side face of each fixing plate, a bidirectional screw is rotatably connected to the inner wall of each rotating hole, a movable plate is connected to the surface of each bidirectional screw in a threaded manner, the surface of each movable plate is overlapped with the inner wall of the circular main board, an L-shaped plate is fixedly connected to the side face of each movable plate, and a concave plate is fixedly connected to the back face of each L-shaped plate. According to the utility model, the extension board is unfolded by rotating the rotating shaft and fixed through the positioning mechanism, at the moment, the control rod is rotated, the control rod drives the second bevel gear to rotate, the bidirectional screw rod is driven to rotate through the first bevel gear, at the moment, the L-shaped plate is driven to move by the moving board, so that the L-shaped plate pushes the extension board to move, the through opening of the extension board is overlapped with the edge of the elevator, and at the moment, the rubber pad is abutted against the edge, so that the fixation of the warning board is ensured, and the movement of the warning board is avoided.

Description

Warning sign is used in maintenance

Technical Field

The utility model relates to the technical field of maintenance tools, in particular to a warning board for maintenance.

Background

When the elevator overhauls, need shelter from at the elevator mouth and warn, avoid the user to use the elevator at the in-process that the elevator overhauld, bulletin number CN215730689U a portable elevator maintenance is with warning sign proposes that current warning sign covered the scope is less, can not block the elevator front portion space, lead to warning effect not strong, through setting up warning board, the connecting plate, connecting strip and shielding curtain, shielding curtain is connected between warning board, connecting plate and the connecting strip, can enlarge the coverage of this warning sign, thereby make this warning sign can be with the preceding great scope separation of elevator, play better warning effect.

The elevator door is completely shielded by unfolding the shielding curtain, but the elevator door is directly placed in the using process and lacks in positioning, and the phenomenon of position movement can occur when the elevator door is collided or subjected to external force, so that the effect of warning blocking is not obvious, and the warning board for maintenance is convenient to position.

Disclosure of utility model

In order to overcome the defects in the prior art, the utility model provides a warning board for maintenance, which solves the problems in the prior art.

The utility model provides the following technical scheme: the utility model provides a warning sign for maintenance, includes the shape mainboard that returns, the inner wall fixedly connected with of shape mainboard returns has two fixed plates, the rotation hole has been seted up to the side of fixed plate, the inner wall rotation of rotation hole is connected with two-way screw rod, the surface threaded connection of two-way screw rod has the movable plate, the surface of movable plate and the inner wall overlap joint of shape mainboard returns, the side fixedly connected with L shaped plate of movable plate, the back fixedly connected with concave plate of L shaped plate, the interior bottom wall rotation of concave plate is connected with the axis of rotation, the surface fixedly connected with extension board of axis of rotation, the opening has been seted up to the one side that the extension board kept away from the axis of rotation, the inner wall fixedly connected with rubber pad of opening, the through-hole has been seted up to the upper surface of concave plate, the surface of axis of rotation is connected with the inner wall rotation of through-hole, positioning mechanism is installed on the top of axis of rotation;

The surface of the bidirectional screw is fixedly connected with a first bevel gear, the surface of the first bevel gear is meshed with a second bevel gear, the upper surface of the second bevel gear is fixedly connected with a control rod, the upper surface of the rectangular main plate is provided with a rotating hole, and the surface of the control rod is rotationally connected with the inner wall of the rotating hole.

Further, the inner wall of the square main board is fixedly connected with a fixing strip, and the end face of the bidirectional screw rod is rotationally connected with the side face of the fixing strip.

Further, the back of the L-shaped plate is overlapped with the front of the fixing strip.

Further, the positioning mechanism comprises a rotary table fixedly arranged at the top end of the rotating shaft, a sliding hole is formed in the upper surface of the rotary table, and a T-shaped inserted rod is connected to the inner wall of the sliding hole in a sliding mode.

Further, the opposite surface of T shape inserted bar and carousel fixedly connected with extension spring.

Further, two counter bores matched with the T-shaped inserting rods are formed in the upper surface of the concave plate, and the surfaces of the T-shaped inserting rods are in lap joint with the inner walls of the counter bores.

The utility model has the technical effects and advantages that:

1. According to the utility model, the extension board is unfolded by rotating the rotating shaft and fixed through the positioning mechanism, at the moment, the control rod is rotated, the control rod drives the second bevel gear to rotate, the bidirectional screw rod is driven to rotate through the first bevel gear, at the moment, the L-shaped plate is driven to move by the moving board, so that the L-shaped plate pushes the extension board to move, the through opening of the extension board is overlapped with the edge of the elevator, and at the moment, the rubber pad is abutted against the edge, so that the fixation of the warning board is ensured, and the movement of the warning board is avoided.

2. According to the utility model, the T-shaped inserted link is pulled to be separated from the counter bore, the rotating shaft can be rotated at the moment, the rotating shaft can drive the extension plate to rotate, and when the T-shaped inserted link moves to another counter bore, the T-shaped inserted link is inserted into the counter bore at the moment under the tensile force of the tension spring, so that the position of the rotating shaft can be fixed, and the extension plate can be conveniently stored and unfolded.

Drawings

Fig. 1 is a schematic perspective view of a first view of the present utility model.

Fig. 2 is an enlarged schematic view of the structure of fig. 1a according to the present utility model.

Fig. 3 is a schematic view of a second perspective structure of the present utility model.

Fig. 4 is a schematic view of the internal structure of the present utility model.

The reference numerals are: the device comprises a 1-loop main board, a 2-fixing board, a 3-bidirectional screw, a 4-moving board, a 5L-shaped board, a 6-concave board, a 7-rotating shaft, an 8-extending board, a 9-rubber pad, a 10-control rod, an 11-fixing strip, a 12-rotating disc, a 13-T-shaped inserted link, a 14-tension spring, a 15-first bevel gear and a 16-second bevel gear.

Detailed Description

The embodiments of the present utility model will be described more fully with reference to the accompanying drawings, and the configurations of the structures described in the following embodiments are merely examples, and the maintenance warning board according to the present utility model is not limited to the configurations described in the following embodiments, but all other embodiments obtained by a person skilled in the art without any creative effort are within the scope of protection of the present utility model.

Referring to fig. 1-4, the utility model provides a warning board for maintenance, which comprises a circular main board 1, wherein two fixing plates 2 are fixedly connected to the inner wall of the circular main board 1, a rotating hole is formed in the side surface of the fixing plate 2, a bidirectional screw 3 is rotatably connected to the inner wall of the rotating hole, a movable plate 4 is in threaded connection with the surface of the bidirectional screw 3, the surface of the movable plate 4 is lapped with the inner wall of the circular main board 1, a movable wheel is fixedly connected to the lower surface of an L-shaped plate 5,L fixedly connected to the side surface of the movable plate 4, a fixing strip 11 is fixedly connected to the inner wall of the circular main board 1, the end surface of the bidirectional screw 3 is rotatably connected with the side surface of the fixing strip 11, and the back surface of the L-shaped plate 5 is lapped with the front surface of the fixing strip 11.

The back fixedly connected with concave plate 6 of L shaped plate 5, the interior bottom wall rotation of concave plate 6 is connected with axis of rotation 7, the fixed surface of axis of rotation 7 is connected with extension board 8, the back-mounting of extension board 8 has the warning light tablet, the opening has been seted up to the one side that axis of rotation 7 was kept away from to extension board 8, the inner wall fixedly connected with rubber pad 9 of opening, the through-hole has been seted up to the upper surface of concave plate 6, the surface of axis of rotation 7 is connected with the inner wall rotation of through-hole, positioning mechanism is installed on the top of axis of rotation 7.

The positioning mechanism comprises a rotary table 12 fixedly arranged at the top end of a rotary shaft 7, a sliding hole is formed in the upper surface of the rotary table 12, a T-shaped inserting rod 13 is slidably connected to the inner wall of the sliding hole, a tension spring 14 is fixedly connected to the opposite surface of the T-shaped inserting rod 13 and the rotary table 12, two counter bores matched with the T-shaped inserting rod 13 are formed in the upper surface of the concave plate 6, the surface of the T-shaped inserting rod 13 is lapped with the inner wall of the counter bore, a first bevel gear 15 is fixedly connected to the surface of a bidirectional screw 3, a second bevel gear 16 is meshed with the surface of the first bevel gear 15, a control rod 10 is fixedly connected to the upper surface of the second bevel gear 16, a rotating hole is formed in the upper surface of the circular main plate 1, and the surface of the control rod 10 is rotationally connected with the inner wall of the rotating hole.

The T-shaped inserted link 13 is pulled to be separated from the counter bore, the rotating shaft 7 can be rotated at the moment, the rotating shaft 7 can drive the extension plate 8 to rotate, and when the T-shaped inserted link 13 moves to another counter bore, the T-shaped inserted link 13 is inserted into the counter bore at the moment under the tension of the tension spring 14, so that the position of the rotating shaft 7 can be fixed, and the extension plate 8 can be conveniently stored and unfolded.

The rotation axis 7 expands extension board 8 to fixed through positioning mechanism, rotation control lever 10 this moment, control lever 10 drive second bevel gear 16 rotate, drive bi-directional screw 3 through first bevel gear 15 and rotate, movable plate 4 drives L shaped plate 5 and removes this moment, makes L shaped plate 5 promote extension board 8 removal, and the opening department of extension board 8 and the border overlap joint of elevator department, and rubber pad 9 supports tightly with border department this moment, has guaranteed the fixed of this warning sign, avoids the warning sign removal.

The last points to be described are: first, in the description of the present application, it should be noted that, unless otherwise specified and defined, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be mechanical or electrical, or may be a direct connection between two elements, and "upper," "lower," "left," "right," etc. are merely used to indicate relative positional relationships, which may be changed when the absolute position of the object being described is changed;

Secondly: in the drawings of the disclosed embodiments, only the structures related to the embodiments of the present disclosure are referred to, and other structures can refer to the common design, so that the same embodiment and different embodiments of the present disclosure can be combined with each other under the condition of no conflict;

Finally: the foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and principles of the utility model are intended to be included within the scope of the utility model.

Claims (6)

1. The utility model provides a warning sign for maintenance, includes return shape mainboard (1), its characterized in that: the inner wall fixedly connected with two fixed plates (2) of the shape of a Chinese character 'hui', the rotation hole has been seted up to the side of fixed plate (2), the inner wall rotation of rotation hole is connected with bi-directional screw (3), the surface threaded connection of bi-directional screw (3) has movable plate (4), the surface of movable plate (4) and the inner wall overlap joint of shape of a Chinese character 'hui's mainboard (1), the side fixedly connected with L shaped plate (5) of movable plate (4), the back fixedly connected with concave plate (6) of L shaped plate (5), the interior bottom wall rotation of concave plate (6) is connected with axis of rotation (7), the fixed surface of axis of rotation (7) is connected with extension board (8), the through-hole has been seted up to the one side that the axis of rotation (7) kept away from, the inner wall fixedly connected with rubber pad (9) of through-hole, the through-hole has been seted up to the upper surface of concave plate (6), the surface and the through-hole of axis of rotation (7) rotate with the inner wall of through-hole and be connected, positioning mechanism is installed on the top of axis of rotation (7).

The surface fixing of bi-directional screw rod (3) is connected with first bevel gear (15), and the surface engagement of first bevel gear (15) has with second bevel gear (16), and the upper surface fixedly connected with control rod (10) of second bevel gear (16), the upper surface of returning shape mainboard (1) has seted up the rotation hole, and the surface and the inner wall rotation of rotation hole of control rod (10) are connected.

2. A service warning sign according to claim 1, characterized in that: the inner wall of the rectangular main board (1) is fixedly connected with a fixing strip (11), and the end face of the bidirectional screw rod (3) is rotationally connected with the side face of the fixing strip (11).

3. A service warning sign according to claim 2, characterized in that: the back of the L-shaped plate (5) is overlapped with the front of the fixing strip (11).

4. A service warning sign according to any one of claims 1 to 3, characterised in that: the positioning mechanism comprises a rotary table (12) fixedly arranged at the top end of the rotary shaft (7), a sliding hole is formed in the upper surface of the rotary table (12), and a T-shaped inserted rod (13) is connected to the inner wall of the sliding hole in a sliding mode.

5. The warning sign for maintenance according to claim 4, wherein: the opposite surfaces of the T-shaped inserted link (13) and the rotary table (12) are fixedly connected with tension springs (14).

6. The warning sign for maintenance according to claim 5, wherein: two counter bores matched with the T-shaped inserting rods (13) are formed in the upper surface of the concave plate (6), and the surfaces of the T-shaped inserting rods (13) are in lap joint with the inner walls of the counter bores.