Safety warning board for elevator maintenance

Abstract

The utility model discloses a safety warning board for elevator maintenance, which relates to the technical field of elevator safety warning boards, and comprises two groups of fence frames, a folding component arranged between the two groups of fence frames, and a supporting component arranged on the fence frames, wherein the folding assembly comprises a first fixing piece and a second fixing piece, the first fixing piece and the second fixing piece are fixed to the opposite sides of the two fence frames correspondingly, a long shaft is fixed to the middle of the second fixing piece, the bottom end of the long shaft penetrates through the first fixing piece, and the first fixing piece is rotationally connected with the long shaft; a limiting piece is fixed to the inner wall of the long shaft, a pressing rod is arranged in the middle of the limiting piece in a sleeving mode, a reset spring is arranged on the outer surface of the pressing rod in a sleeving mode, the supporting frame is extruded through cooperation between a nut and a thread, the extrusion piece can be fixed to the elevator opening conveniently, then the occupied space of the elevator opening can be reduced, and toppling is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to elevator safety warning board technical field, specifically a safety warning board for elevator maintenance. BACKGROUND

[0002] As an indispensable vertical traffic tool in modern buildings, the safety of elevator is very important, and in the daily maintenance and repair process of elevator, the repair sign can clearly inform passengers and relevant personnel to avoid misoperation and cause safety accidents.

[0003] When maintaining the elevator, a safety warning board needs to be placed in front of the elevator to prevent passengers from entering the elevator and causing safety accidents, and the elevator safety warning board in the prior art is usually placed in front of the elevator door in the form of a three-folded fence, and in order to ensure stability during use, the safety warning board is placed in the form of a U shape, which occupies a large space, and when the elevator is maintained in the corridor, the width of the corridor is narrow, and the safety warning board occupies part of the space of the corridor, which causes the safety warning board to be easily collided by pedestrians and to be tilted, so the safety warning board needs to be improved. SUMMARY

[0004] The utility model aims at making up for the shortage of prior art, and provides a safety warning board for elevator maintenance.

[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme: a safety warning board for elevator maintenance, which comprises two groups of fence frames, a warning board is arranged in the middle of each group of fence frames, and the safety warning board further comprises:

[0006] A folding assembly is arranged between the two groups of fence frames and is used for unfolding or folding the two groups of fence frames;

[0007] A supporting assembly is arranged on the fence frame and is used for fixing the fence frame to the entrance of the elevator;

[0008] The folding assembly comprises a first fixing member and a second fixing member, the first fixing member and the second fixing member are respectively fixed to the opposite sides of the two groups of fence frames, the middle of the second fixing member is fixed with a long shaft, the bottom end of the long shaft penetrates through the first fixing member, and the first fixing member is rotationally connected with the long shaft, the inner wall of the long shaft is fixed with a limiting member, the middle of the limiting member is sleeved with a pressing rod, the outer surface of the pressing rod is sleeved with a return spring, the outer side of the long shaft is provided with a sliding groove, the outer surface of the pressing rod is fixed with a tooth block, and the bottom of the first fixing member is provided with a tooth groove;

[0009] The support assembly comprises a support frame, the support frame is sleeved on the outer surface of the fence frame, the outer end of the support frame is fixed with an extrusion piece, the surface of the fence frame is provided with a group of threads, and the fence frame is threadedly connected with a nut in a matched mode.

[0010] The tooth block passes through the sliding groove and is in sliding connection with the sliding groove.

[0011] The top end of the pressing rod passes through the long shaft and extends to the outside of the long shaft.

[0012] The reset spring is elastically supported between the limiting piece and the tooth block.

[0013] The nut extrudes the support frame.

[0014] The extrusion pieces are made of rubber, and the two groups of extrusion pieces are in extrusion contact with the two sides of the elevator door.

[0015] Compared with the prior art, the safety warning board for elevator maintenance has the following beneficial effects:

[0016] Firstly, the cooperation between the first fixing piece and the long shaft controls the expansion of the two groups of fence frames, and the support frame drives the extrusion pieces to move, so that the two groups of extrusion pieces extrude the two sides of the elevator door, and the cooperation between the nut and the thread extrudes the support frame, so that the extrusion pieces are fixed at the elevator door, thereby reducing the occupied space and avoiding tilting.

[0017] Secondly, the cooperation between the support frame and the fence frame enables the support frame to slide left and right along the outer surface of the fence frame, so that the distance between the two groups of extrusion pieces can be controlled, and the support frame can be reset by the nut, thereby enabling the fence frame to be installed at elevator doors of different widths and improving the application range.

[0018] Other advantages, objects and features of the present application will be set forth in part in the following specification taken in conjunction with the accompanying drawings, and in part will become apparent to those skilled in the art upon examination of the following specification or can be learned from practice of the present application. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a schematic diagram of the three-dimensional structure of the present application;

[0020] Figure 2 It is a schematic diagram of the cross-sectional structure of the side of the present application;

[0021] Figure 3 It is a schematic diagram of the cross-sectional structure of the side of the present application; Figure 2 It is a schematic diagram of the enlarged structure of A in the present application;

[0022] Figure 4 It is the dismounting structure schematic view of the tooth block and the tooth groove of the utility model;

[0023] Figure 5 It is the structure schematic view of the safety warning board of the utility model after unfolding;

[0024] Figure 6 It is the installation structure schematic view of the safety warning board and the elevator mouth of the utility model.

[0025] In the drawing: 1, fence frame; 2, warning board; 3, first fixing part; 4, second fixing part; 5, long shaft; 6, limiting part; 7, pressing rod; 8, reset spring; 9, sliding groove; 10, tooth block; 11, tooth groove; 12, screw thread; 13, support frame; 14, extrusion part; 15, nut. DETAILED DESCRIPTION

[0026] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0027] As Figures 1-6 shown, the utility model provides a safety warning board for elevator maintenance, including two groups of fence frame 1, the middle part of each group of fence frame 1 is equipped with warning board 2, still include:

[0028] folding assembly, it is set up between two groups of fence frame 1, is used to unfold or fold two groups of fence frame 1;

[0029] support assembly, it is set up on fence frame 1, is used to fix fence frame 1 at elevator mouth;

[0030] Among them, folding assembly includes first fixing part 3 and second fixing part 4, first fixing part 3 and second fixing part 4 are fixed at the opposite side of two groups of fence frame 1 respectively, the middle part of second fixing part 4 is fixed with long shaft 5, the bottom end of long shaft 5 passes through first fixing part 3, and first fixing part 3 is rotatably connected with long shaft 5, the inner wall of long shaft 5 is fixed with limiting part 6, the middle part of limiting part 6 is sleeved with pressing rod 7, the outer surface of pressing rod 7 is sleeved with reset spring 8, the outer side of long shaft 5 is provided with sliding groove 9, the outer surface of pressing rod 7 is fixed with tooth block 10, the bottom of first fixing part 3 is provided with tooth groove 11;

[0031] The support assembly comprises a support frame 13, the support frame 13 is sleeved on the outer surface of the fence frame 1, the outer end of the support frame 13 is fixed with an extrusion piece 14, a group of threads 12 are arranged on the surface of the fence frame 1, and the fence frame 1 is threadedly connected with a nut 15 in cooperation with the threads 12.

[0032] By pressing the cooperation between the pressing rod 7 and the limiting piece 6, the pressing rod 7 can drive the tooth block 10 to slide along the inner side of the sliding groove 9 and separate from the tooth groove 11, so as to release the limiting of the first fixing piece 3. At this time, through the cooperation between the first fixing piece 3 and the long shaft 5, the two groups of fence frames 1 can be controlled to be unfolded. At this time, through the cooperation between the support frame 13 and the fence frame 1, the two groups of extrusion pieces 14 can extrude the two sides of the elevator entrance, and the support frame 13 is positioned through the cooperation between the nut 15 and the thread 12, so as to be fixed at the elevator entrance, thereby reducing the occupied space and avoiding tilting.

[0033] As shown in Figure 3 , 4 , the tooth block 10 passes through the sliding groove 9 and is in sliding connection with the sliding groove 9, and the tooth block 10 is movably clamped with the tooth groove 11.

[0034] Through the cooperation between the tooth block 10 and the sliding groove 9, the tooth block 10 can slide along the inner side of the sliding groove 9 when the pressing rod 7 moves, so as to control the tooth block 10 to be clamped or separated from the tooth groove 11, thereby facilitating the positioning of the two groups of fence frames 1, facilitating the folding or unfolding of the two groups of fence frames 1, and facilitating the storage thereof.

[0035] As shown in Figure 3 , the top end of the pressing rod 7 passes through the long shaft 5 and extends to the outside of the long shaft 5.

[0036] Through the design of the pressing rod 7, since the top end of the pressing rod 7 passes through the long shaft 5, the pressing rod 7 can be pressed to control the tooth block 10 to be separated from the tooth groove 11, thereby facilitating the release of the limiting of the fence frame 1.

[0037] As shown in Figure 3 , the reset spring 8 is elastically supported between the limiting piece 6 and the tooth block 10.

[0038] Through the design of the reset spring 8, after the reset spring 8 is compressed, a elastic force can be applied to the tooth block 10, so that when the pressing of the pressing rod 7 is released, the elastic force of the reset spring 8 pushes the tooth block 10 and drives it to be clamped with the tooth groove 11, thereby facilitating the positioning of the two groups of fence frames 1.

[0039] As shown in Figure 1 , the nut 15 extrudes and contacts the support frame 13.

[0040] Through the cooperation between the screw cap 15 and the thread 12, when the screw cap 15 rotates along the outer surface of the thread 12, the support frame 13 can be extruded, so that when the extrusion piece 14 extrudes the elevator door, the movement of the support frame 13 can be limited by the screw cap 15, so that it is more stable.

[0041] As shown in Figure 5 、 6 The extrusion piece 14 is made of rubber, and the two groups of extrusion pieces 14 are extruded and contacted with the two sides of the elevator door.

[0042] Through the design of the extrusion piece 14, since the extrusion piece 14 is made of rubber, it can avoid wear when extruding the wall.

[0043] Working principle:

[0044] First, the staff can press the pressing rod 7 to drive the tooth block 10 to slide along the inner side of the sliding groove 9 and separate from the tooth groove 11, so as to release the first fixing piece 3, then through the cooperation between the first fixing piece 3 and the long shaft 5, pull the two groups of fence frames 1 to expand, at this time, the pressing rod 7 can be released, the tooth block 10 is driven to reset by the elastic force of the reset spring 8, the tooth block 10 is connected with the tooth groove 11, the expansion operation of the fence frame 1 is completed, then the fence frame 1 is placed at the elevator door, and the screw cap 15 is rotated to extrude the support frame 13, at this time, through the cooperation between the support frame 13 and the fence frame 1, the two groups of extrusion pieces 14 can be driven to extrude the two sides of the elevator door, so as to fix the fence frame 1 at the elevator door, which not only reduces the occupied space, but also is stable and not easy to fall.

[0045] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and its equivalents.

Claims

1. A safety warning board for elevator maintenance, comprising two groups of fence frames (1), the middle part of each group of fence frames (1) is equipped with a warning board (2), characterized in that, Also include: Folding assembly, which is arranged between the two groups of fence frame (1), for the two groups of fence frame (1) are unfolded or folded; Support assembly, which is arranged on the fence frame (1), for the fence frame (1) is fixed to the elevator port; Wherein, the folding assembly includes a first fixed part (3) and a second fixed part (4), the first fixed part (3) and the second fixed part (4) are fixed on the opposite side of the two groups of fence frame (1), the middle part of the second fixed part (4) is fixed with long shaft (5), the bottom end of the long shaft (5) passes through the first fixed part (3), and the first fixed part (3) and the long shaft (5) are connected, the inner wall of the long shaft (5) is fixed with the limit part (6), the middle part of the limit part (6) is sleeved with the pressing rod (7), the outer surface of the pressing rod (7) is sleeved with the reset spring (8), the outer side of the long shaft (5) is provided with the sliding slot (9), the outer surface of the pressing rod (7) is fixed with the tooth block (10), the bottom of the first fixed part (3) is provided with the tooth groove (11); Wherein, the support assembly includes a support frame (13), the support frame (13) is sleeved on the outer surface of the fence frame (1), the outer end of the support frame (13) is fixed with the extrusion part (14), the surface of the fence frame (1) is provided with a group of threads (12), the fence frame (1) is threadedly connected with the nut (15) by cooperating with the thread (12).

2. A safety warning sign for elevator maintenance according to claim 1, characterized in that: The tooth block (10) passes through the sliding slot (9) and is connected with the sliding slot (9), the tooth block (10) and the tooth groove (11) are movably connected.

3. The safety warning sign for elevator maintenance according to claim 1, characterized in that: The top end of the pressing rod (7) passes through the long shaft (5) and extends to the outside of the long shaft (5).

4. The safety warning sign for elevator maintenance according to claim 1, wherein: The reset spring (8) is elastically supported between the limit part (6) and the tooth block (10).

5. The safety warning sign for elevator maintenance according to claim 1, wherein: The nut (15) extrudes the support frame (13).

6. A safety warning sign for elevator maintenance according to claim 1, characterized in that: The extrusion part (14) is made of rubber, and the two extrusion parts (14) are extruded with the two sides of the elevator port respectively.

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