Fence device facilitating elevator maintenance

Abstract

The utility model discloses a fence device convenient for elevator maintenance, which belongs to the technical field of elevator maintenance, solves the problems that the existing device is inconvenient to bend, can only block an elevator doorway and is inconvenient to expand the protection range, and comprises a middle protection frame, the left side and the right side of the middle protection frame are rotationally connected with a left protection frame and a right protection frame through connecting assemblies correspondingly, limiting grooves are formed in the middles of the top end and the bottom end of the middle protection frame in a penetrating mode correspondingly, and each connecting assembly comprises a second U-shaped rod, a limiting wheel, a first limiting plate and a second limiting plate. The sides, close to the connecting assembly, of the right protection frame and the left protection frame are each provided with a sleeve, the sleeves are rotationally arranged on the outer surface of a second U-shaped rod in a sleeving mode, and through cooperation of the middle protection frame, the right protection frame, the left protection frame, the second U-shaped rod, a limiting wheel, a first limiting plate and a second limiting plate and the connection relation of the middle protection frame, the right protection frame, the left protection frame, the second U-shaped rod, the limiting wheel, the first limiting plate and the second limiting plate. The distance between the ends, away from the connecting assembly, of the right protection frame and the left protection frame can be conveniently adjusted, and the protection range can be expanded.

Description

TECHNICAL FIELD

[0001] The utility model relates to elevator maintenance technical field, concretely is a fence device convenient for elevator maintenance. BACKGROUND

[0002] In order to ensure the safety of elevator use, need regular maintenance and maintenance elevator, to avoid in the maintenance process non-work personnel enters the elevator, will set up protective fence at the elevator doorway, this is mainly to prevent accidents, protect the safety of elevator shaft and surrounding area.

[0003] Through the retrieval, the application book with patent application number 202323423196.9 discloses a fence device convenient for elevator maintenance, including the net, the both sides symmetry of net connection fence assembly, fence assembly includes the connecting plate, first hinged plate, second hinged plate, first slider, second slider, third slider, fourth slider, threaded rod, support column and servo motor and its connection relationship,

[0004] Although the fence device convenient for elevator maintenance can be expanded or contracted by setting servo motor, threaded rod, support column, first slider, second slider, third slider, fourth slider, first hinged plate, second hinged plate and connecting plate and the connection relationship thereof, but the fence device convenient for elevator maintenance is not convenient to bend, can only be blocked in the elevator doorway, and it is not convenient to expand the protection range.

[0005] Therefore, we propose a fence device convenient for elevator maintenance. UTILITY MODEL CONTENT

[0006] In view of the deficiency of prior art, the utility model provides a fence device convenient for elevator maintenance, solves the problems that the prior art is not convenient to bend, can only be blocked in the elevator doorway and is not convenient to expand the protection range.

[0007] To achieve the above object, the utility model is realized through the following technical scheme: a fence device convenient for elevator maintenance, including the middle protective frame, the left and right sides of the middle protective frame are rotatably connected with left protective frame and right protective frame through connecting assembly respectively,

[0008] The middle part of the top end and the bottom end of the intermediate protective frame is provided with a limiting groove, the connecting assembly comprises a second U-shaped rod, a limiting wheel, a first limiting plate and a second limiting plate, the first limiting plate is fixedly installed at the two ends of the second U-shaped rod, the limiting wheel is rotatably installed on the side of the first limiting plate away from the second U-shaped rod through a bearing ring, the limiting wheel is rollingly sleeved in the limiting groove, and the second limiting plate is rotatably installed at the end of the limiting wheel away from the first limiting plate through a bearing ring, the side of the right protective frame and the left protective frame close to the connecting assembly is provided with a sleeve, and the sleeve is rotatably sleeved on the outer surface of the second U-shaped rod.

[0009] Preferably, the side of the right protective frame and the left protective frame close to the connecting assembly is fixedly installed with the mounting plate in linear array distribution, the side of the mounting plate close to the connecting assembly is fixedly installed with the sleeve, and the sleeve and the mounting plate are one-to-one corresponding, wherein the sleeve is installed on the right protective frame and the left protective frame through the mounting plate.

[0010] Preferably, the side of the right protective frame away from the connecting assembly is fixedly installed with a clamping plate, the side of the left protective frame away from the connecting assembly is fixedly installed with a first U-shaped rod, and a clamping groove matched with the middle part of the second U-shaped rod is formed in the side wall of the clamping plate, wherein the right protective frame and the left protective frame are folded to the middle part of the intermediate protective frame, and the first U-shaped rod is clamped on the clamping plate, so that the right protective frame and the left protective frame are limited and fixed.

[0011] Preferably, the left and right ends of the bottom surface of the intermediate protective frame are fixedly installed with connecting plates, and the bottom surface of the connecting plate is fixedly installed with a first universal wheel with a self-locking structure, wherein the intermediate protective frame is supported by the first universal wheel, and the intermediate protective frame is conveniently moved.

[0012] Preferably, the end of the bottom surface of the right protective frame and the left protective frame away from the connecting assembly is fixedly installed with a second universal wheel with a self-locking structure, wherein the right protective frame and the left protective frame are conveniently rolled on the ground by the second universal wheel, and the end of the right protective frame and the left protective frame away from the connecting assembly is conveniently supported.

[0013] Preferably, the inner wall of the intermediate protective frame is fixedly installed with an intermediate warning plate, and the inner wall of the right protective frame and the left protective frame is fixedly installed with a side warning plate, wherein the passing pedestrians are prompted by the intermediate warning plate and the side warning plate, so that dangerous accidents are avoided.

[0014] The utility model provides a fence device convenient for elevator maintenance. Has the following beneficial effects:

[0015] 1. The fence device for facilitating elevator maintenance, through the cooperation of the intermediate protective frame, the right protective frame, the left protective frame, the second U-shaped rod, the limiting wheel, the first limiting plate and the second limiting plate and their connecting relationship, the distance of the right protective frame and the left protective frame away from one end of the connecting assembly can be adjusted, and the included angle between the right protective frame, the left protective frame and the intermediate protective frame can be adjusted, so as to adapt to the elevator doors of different widths, and the left protective frame and the right protective frame can shield the left and right ends of the elevator door, which is beneficial to expand the protection range, has higher safety, is simple and convenient to use, and solves the problems that the existing device is not convenient to bend, can only be blocked at the entrance of the elevator door, and is not convenient to expand the protection range.

[0016] 2. The fence device for facilitating elevator maintenance, through the cooperation of the intermediate protective frame, the right protective frame, the left protective frame, the second U-shaped rod, the limiting wheel, the first limiting plate and the second limiting plate and their connecting relationship, the distance of the right protective frame and the left protective frame away from one end of the connecting assembly can be adjusted, and the included angle between the right protective frame, the left protective frame and the intermediate protective frame can be adjusted, so as to adapt to the elevator doors of different widths, and the left protective frame and the right protective frame can shield the left and right ends of the elevator door, which is beneficial to expand the protection range, has higher safety, is simple and convenient to use, and solves the problems that the existing device is not convenient to bend, can only be blocked at the entrance of the elevator door, and is not convenient to expand the protection range. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a structural schematic view of the utility model;

[0018] Figure 2 It is a structural schematic view of the intermediate protective frame of the utility model;

[0019] Figure 3 It is a structural schematic view of the connecting assembly of the utility model;

[0020] Figure 4 It is a structural schematic view of the right protective frame of the utility model.

[0021] In the figure: 1, intermediate protective frame; 11, limiting groove; 12, intermediate warning board; 13, connecting plate; 14, first universal wheel; 2, right protective frame; 21, clamping plate; 3, left protective frame; 31, first U-shaped rod; 4, connecting assembly; 41, second U-shaped rod; 42, limiting wheel; 43, first limiting plate; 44, second limiting plate; 5, side warning board; 6, mounting plate; 7, sleeve; 8, second universal wheel. DETAILED DESCRIPTION

[0022] The technical scheme in the embodiments of the utility model will be clearly and completely described below in combination 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 belong to the scope of protection of the utility model.

[0023] Embodiment 1:

[0024] As shown in Figures 1-4 : including the intermediate protective frame 1, the left and right sides of the intermediate protective frame 1 are rotatably connected with the left protective frame 3 and the right protective frame 2 through the connecting assembly 4, the middle part of the top end and the bottom end of the intermediate protective frame 1 is provided with a limiting groove 11, the connecting assembly 4 includes a second U-shaped rod 41, a limiting wheel 42, a first limiting plate 43 and a second limiting plate 44, both ends of the second U-shaped rod 41 are fixedly installed with the first limiting plate 43, the side of the first limiting plate 43 away from the second U-shaped rod 41 is rotatably installed with the limiting wheel 42 through the bearing ring, the limiting wheel 42 is rotatably sleeved in the limiting groove 11, the end of the limiting wheel 42 away from the first limiting plate 43 is rotatably installed with the second limiting plate 44 through the bearing ring, the side of the right protective frame 2 and the left protective frame 3 close to the connecting assembly 4 is provided with a sleeve 7, the sleeve 7 is rotatably sleeved on the outer surface of the second U-shaped rod 41, the side of the right protective frame 2 and the left protective frame 3 close to the connecting assembly 4 is fixedly installed with the installation plate 6 which is linearly arranged, the side of the installation plate 6 close to the connecting assembly 4 is fixedly installed with the sleeve 7, the sleeve 7 and the installation plate 6 are one-to-one corresponding, through the cooperation of the intermediate protective frame 1, the right protective frame 2, the left protective frame 3, the second U-shaped rod 41, the limiting wheel 42, the first limiting plate 43 and the second limiting plate 44 and the connecting relationship, the distance between the right protective frame 2 and the left protective frame 3 away from the connecting assembly 4 can be adjusted, and the included angle between the right protective frame 2 and the left protective frame 3 and the intermediate protective frame 1 can be adjusted, so as to adapt to the elevators doors with different widths, and the left protective frame 3 and the right protective frame 2 can shield the left and right ends of the elevator door, which is helpful to expand the protection range;

[0025] Example 2:

[0026] As shown in Figure 1 , 2 and 4: the side of the right protective frame 2 away from the connecting assembly 4 is fixedly installed with the clamping plate 21, the side of the left protective frame 3 away from the connecting assembly 4 is fixedly installed with the first U-shaped rod 31, the side wall of the clamping plate 21 is provided with a clamping groove matched with the middle part of the second U-shaped rod 41, the left and right ends of the bottom surface of the intermediate protective frame 1 are fixedly installed with the connecting plate 13, the bottom surface of the connecting plate 13 is fixedly installed with the first universal wheel 14 with a self-locking structure, the end of the bottom surface of the right protective frame 2 and the left protective frame 3 away from the connecting assembly 4 is fixedly installed with the second universal wheel 8 with a self-locking structure, the inner wall of the intermediate protective frame 1 is fixedly installed with the intermediate warning plate 12, the inner wall of the right protective frame 2 and the left protective frame 3 is fixedly installed with the side warning plate 5, through the setting of the clamping plate 21 and the first U-shaped rod 31, when the right protective frame 2 and the left protective frame 3 are stored, the right protective frame 2 and the left protective frame 3 are folded to the middle part of the intermediate protective frame 1, and the first U-shaped rod 31 is clamped on the clamping plate 21, so that the right protective frame 2 and the left protective frame 3 can be fixed on one side of the intermediate protective frame 1, which is convenient for storage.

[0027] The working principle and use process of the utility model: the fence device convenient for elevator maintenance, when using, place the middle protection frame 1 in front of the elevator door, then take out the first U-shaped rod 31 from the clamping plate 21, then fold the right protection frame 2 and the left protection frame 3 to the two sides with the second U-shaped rod 41 as the axis, make the included angle between the right protection frame 2 and the left protection frame 3 and the middle protection frame 1 be a right angle, then move the right protection frame 2 and the left protection frame 3 to the two sides, until the spacing of the right protection frame 2 and the left protection frame 3 matches the width of the elevator door, in this process, the limiting wheel 42 rolls in the inside of the limiting groove 11, if the width of the limiting groove 11 is less than the width of the elevator door, then the right protection frame 2 and the left protection frame 3 can continue to be folded to the two sides, make the included angle between the right protection frame 2 and the left protection frame 3 and the middle protection frame 1 be an obtuse angle, until the spacing of the right protection frame 2 and the left protection frame 3 away from the one end of the connecting assembly 4 matches the width of the elevator door, and move the middle protection frame 1 to the side close to the elevator door, make the one end of the right protection frame 2 and the left protection frame 3 away from the connecting assembly 4 can contact the wall surface.

[0028] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above, for those skilled in the art, obviously, the utility model is not limited to the details of the above exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the utility model is defined by the appended claims rather than the above description, therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any figure mark in the claims should not be regarded as limiting the claims involved.

[0029] In addition, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, the description manner of the specification is only for the sake of clarity, those skilled in the art should regard the specification as a whole, the technical solutions in each embodiment can also be properly combined to form other embodiments that those skilled in the art can understand.

Claims

1. A fence device for facilitating elevator maintenance, characterized by: Including intermediate guard frame (1), left and right sides of intermediate guard frame (1) are rotatably connected with left guard frame (3) and right guard frame (2) through connecting assembly (4) respectively; The middle part of the top end and the bottom end of the intermediate guard frame (1) is provided with a limiting groove (11), the connecting assembly (4) includes a second U-shaped rod (41), a limiting wheel (42), a first limiting plate (43) and a second limiting plate (44), both ends of the second U-shaped rod (41) are fixedly installed with the first limiting plate (43), the side away from the second U-shaped rod (41) of the first limiting plate (43) is rotatably installed with the limiting wheel (42) through the bearing ring, the limiting wheel (42) is rotatably installed in the limiting groove (11), the side away from the first limiting plate (43) of the limiting wheel (42) is rotatably installed with the second limiting plate (44) through the bearing ring, the side close to the connecting assembly (4) of the right guard frame (2) and the left guard frame (3) is provided with a sleeve (7), and the sleeve (7) is rotatably installed on the outer surface of the second U-shaped rod (41).

2. A fence device for facilitating maintenance of an elevator according to claim 1, characterized in that The side close to the connecting assembly (4) of the right guard frame (2) and the left guard frame (3) is fixedly installed with the mounting plate (6) in linear array, the side close to the connecting assembly (4) of the mounting plate (6) is fixedly installed with the sleeve (7), and the sleeve (7) is one-to-one corresponding with the mounting plate (6).

3. A fence device for facilitating elevator maintenance according to claim 1, characterized in that: The side away from the connecting assembly (4) of the right guard frame (2) is fixedly installed with the clamping plate (21), the side away from the connecting assembly (4) of the left guard frame (3) is fixedly installed with the first U-shaped rod (31), and the side wall of the clamping plate (21) is provided with a clamping groove matched with the middle part of the second U-shaped rod (41).

4. The cage apparatus of claim 1, wherein: The left and right ends of the bottom surface of the intermediate guard frame (1) are fixedly installed with the connecting plate (13), and the bottom surface of the connecting plate (13) is fixedly installed with the first universal wheel (14) with a self-locking structure.

5. The cage apparatus of claim 1, wherein: The end away from the connecting assembly (4) of the bottom surface of the right guard frame (2) and the left guard frame (3) is fixedly installed with the second universal wheel (8) with a self-locking structure.

6. A fence device for facilitating elevator maintenance according to claim 1, characterized in that: The inner wall of the intermediate guard frame (1) is fixedly installed with the intermediate warning plate (12), and the inner wall of the right guard frame (2) and the left guard frame (3) is fixedly installed with the side warning plate (5).

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