Width-adjustable elevator shaft opening protective fence

Abstract

The utility model discloses a width-adjustable elevator shaft mouth protective fence which comprises a protective door and a width-adjustable door frame, the protective door is movably installed in the width-adjustable door frame, the width-adjustable door frame comprises a fixed door frame and a fixed frame, the fixed door frame is movably connected with the protective door, the fixed frame is fixedly connected with a wall body, and the fixed frame is fixedly connected with the wall body. A width adjusting device and a hinge connecting rod are arranged between the fixed door frame and the fixed frame, trundles are installed at the bottom of the fixed frame, the device can be moved to an elevator shaft opening by arranging the trundles, and the distance between the fixed door frame and the fixed frame can be adjusted by arranging the width adjusting device to adapt to elevator shaft openings with different widths.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of guardrails, concretely relates to a width adjustable elevator shaft mouth guardrail. BACKGROUND

[0002] The conventional elevator shaft mouth guardrail is of fixed width, and the width of the elevator shaft mouth is different in each construction project, in order to avoid waste caused by individual customization, a guardrail capable of adapting to different widths of the elevator shaft mouth is required, in addition, the conventional guardrail is fixedly installed on the wall body using expansion bolts, the installation is complex and the wall surface is damaged, and once the expansion bolts are loose, the guardrail is prone to falling off.

[0003] At the construction site, due to the differences in the specifications of the elevator shafts of different buildings, especially in some old building reconstruction projects or new personalized building projects, the width of the elevator shafts may vary from more than one meter to more than two meters. Construction personnel often need to customize or process the guardrail in advance according to the specific width of the shaft mouth, which not only consumes a lot of time and labor cost, but also is prone to size deviation during the customization process, resulting in unstable installation of the guardrail.

[0004] Furthermore, when the elevator is subjected to subsequent maintenance, repair or upgrading operation, the large equipment may need to temporarily widen the shaft mouth passage for entry and exit, and the fixed-width guardrail is cumbersome to disassemble and difficult to ensure the original protection strength and precision after reinstallation, which brings potential safety hazards to the operating personnel.

[0005] In addition, in multi-building, multi-batch building construction, frequent customization of different specifications of the guardrail also causes waste of materials and increases construction cost. In summary, the existing fixed-width elevator shaft mouth guardrail is difficult to meet the diversified and dynamic construction and maintenance requirements, and there is an urgent need for a width-adjustable, easy-to-install and stable and reliable elevator shaft mouth guardrail to fill this technical gap. CONTENT OF THE UTILITY MODEL

[0006] The utility model aims at the following technical measures: a width adjustable elevator shaft mouth guardrail, including a protective door and a width adjustable door frame, the protective door is movably installed in the width adjustable door frame, the width adjustable door frame includes a fixed door frame and a fixed frame, the fixed door frame is movably connected with the protective door, the fixed frame is fixedly connected with the wall body, the width adjustable device and the articulated link are arranged between the fixed door frame and the fixed frame, the width adjustable device is used for controlling the width between the fixed door frame and the fixed frame to adapt to different widths of the elevator shaft mouth, the articulated link is provided with a plurality of articulated links, the articulated links are used for filling the gap between the fixed door frame and the fixed frame to prevent people from climbing over between the fixed door frame and the fixed frame.

[0007] As a preferred scheme: the width adjusting device comprises an adjusting driving screw, a driving block, a driving rod and a passive rod, the adjusting driving screw is rotatably installed on the fixed frame, the driving block is slidably installed in the fixed frame, one end of the driving rod is movably connected with the driving block, the driving rod and the passive rod are cross arranged, the cross of the driving rod and the passive rod is hingedly arranged, the fixed door frame is provided with a first positioning slot, the fixed frame is provided with a second positioning slot, one end of the driving rod is hingedly connected with the fixed door frame, the other end of the driving rod is hingedly connected with the driving block, one end of the passive rod is slidably installed in the first positioning slot, the other end of the passive rod is hingedly connected with the fixed frame.

[0008] As a preferred scheme: the fixed frame is provided with a clamping assembly for fixing the wall body, the clamping assembly comprises a fixed clamping plate, a movable clamping plate and a clamping bolt, the fixed clamping plate is fixedly connected with the fixed frame, the clamping bolt penetrates through the fixed frame, the movable clamping plate is threadedly connected with the clamping bolt, a clamping space is formed between the fixed clamping plate and the movable clamping plate for clamping the wall body, and the clamping bolt is used for driving the movable clamping plate to perform a clamping action.

[0009] As a preferred scheme: the fixed frame is provided with a clamping assembly for fixing the wall body, the clamping assembly comprises a fixed clamping plate, a movable clamping plate and a clamping bolt, the fixed clamping plate is fixedly connected with the fixed frame, the clamping bolt penetrates through the fixed frame, the movable clamping plate is threadedly connected with the clamping bolt, a clamping space is formed between the fixed clamping plate and the movable clamping plate for clamping the wall body, and the clamping bolt is used for driving the movable clamping plate to perform a clamping action.

[0010] As a preferred scheme: the fixed frame is provided with a clamping assembly for fixing the wall body, the clamping assembly comprises a fixed clamping plate, a movable clamping plate and a clamping bolt, the fixed clamping plate is fixedly connected with the fixed frame, the clamping bolt penetrates through the fixed frame, the movable clamping plate is threadedly connected with the clamping bolt, a clamping space is formed between the fixed clamping plate and the movable clamping plate for clamping the wall body, and the clamping bolt is used for driving the movable clamping plate to perform a clamping action.

[0011] As a preferred scheme: the fixed frame is provided with a clamping assembly for fixing the wall body, the clamping assembly comprises a fixed clamping plate, a movable clamping plate and a clamping bolt, the fixed clamping plate is fixedly connected with the fixed frame, the clamping bolt penetrates through the fixed frame, the movable clamping plate is threadedly connected with the clamping bolt, a clamping space is formed between the fixed clamping plate and the movable clamping plate for clamping the wall body, and the clamping bolt is used for driving the movable clamping plate to perform a clamping action.

[0012] As a preferred scheme: the fixed frame is provided with a clamping assembly for fixing the wall body, the clamping assembly comprises a fixed clamping plate, a movable clamping plate and a clamping bolt, the fixed clamping plate is fixedly connected with the fixed frame, the clamping bolt penetrates through the fixed frame, the movable clamping plate is threadedly connected with the clamping bolt, a clamping space is formed between the fixed clamping plate and the movable clamping plate for clamping the wall body, and the clamping bolt is used for driving the movable clamping plate to perform a clamping action.

[0013] As a preferred scheme: the fixed frame is provided with a clamping assembly for fixing the wall body, the clamping assembly comprises a fixed clamping plate, a movable clamping plate and a clamping bolt, the fixed clamping plate is fixedly connected with the fixed frame, the clamping bolt penetrates through the fixed frame, the movable clamping plate is threadedly connected with the clamping bolt, a clamping space is formed between the fixed clamping plate and the movable clamping plate for clamping the wall body, and the clamping bolt is used for driving the movable clamping plate to perform a clamping action.

[0014] Due to the adoption of the above technical scheme, compared with the prior art, the utility model has the advantages of:

[0015] This utility model discloses an adjustable-width elevator shaft guardrail, including a guardrail door and an adjustable-width door frame. The guardrail door is movably installed within the adjustable-width door frame. The adjustable-width door frame includes a fixed door frame and a fixed side frame. The fixed door frame is movably connected to the guardrail door, and the fixed side frame is fixedly connected to the wall. A width adjustment device and a hinged connecting rod are provided between the fixed door frame and the fixed side frame. Casters are installed at the bottom of the fixed side frame. By providing casters, this device can be moved to the elevator shaft opening. By providing a width adjustment device, the distance between the fixed door frame and the fixed side frame can be adjusted to adapt to elevator shaft openings of different widths.

[0016] The present invention will be further described below with reference to the accompanying drawings and specific embodiments. Attached Figure Description

[0017] Appendix Figure 1 This is a three-dimensional view of an adjustable-width elevator shaft guardrail according to this utility model.

[0018] Appendix Figure 2 This is a schematic diagram of the back structure of this utility model.

[0019] Appendix Figure 3 This is a schematic diagram of the adjustable width door frame and related components of this utility model.

[0020] Appendix Figure 4 This is a schematic diagram of the fixed frame and related components of this utility model.

[0021] Appendix Figure 5 This is a schematic diagram of the clamping assembly and related components of this utility model. Detailed Implementation

[0022] Example: As attached Figure 1 To be continued Figure 5 As shown, an adjustable-width elevator shaft guardrail includes a guard door 1 and an adjustable-width door frame 2. The guard door 1 is movably installed inside the adjustable-width door frame 2. The adjustable-width door frame 2 includes a fixed door frame 21 and a fixed side frame 22. The fixed door frame 21 is movably connected to the guard door 1, and the fixed side frame 22 is fixedly connected to the wall. A width adjustment device 3 and a hinged connecting rod 4 are provided between the fixed door frame 21 and the fixed side frame 22. The width adjustment device 3 is used to control the width between the fixed door frame 21 and the fixed side frame 22 to accommodate elevator shafts of different widths. Multiple hinged connecting rods 4 are provided to fill the gap between the fixed door frame 21 and the fixed side frame 22, preventing people from climbing over between the fixed door frame 21 and the fixed side frame 22.

[0023] The width adjusting device 3 comprises an adjusting driving screw 31, a driving block 32, a driving rod 33 and a driven rod 34, the adjusting driving screw 31 is rotatably installed on the fixed frame 22, the driving block 32 is slidably installed in the fixed frame 22, one end of the driving rod 33 is movably connected with the driving block 32, the driving rod 33 and the driven rod 34 are cross arranged, the cross of the driving rod 33 and the driven rod 34 is hingedly arranged, the fixed door frame 21 is provided with a first positioning slot 210, the fixed frame 22 is provided with a second positioning slot 220, one end of the driving rod 33 is hingedly connected with the fixed door frame 21, the other end of the driving rod 33 is hingedly connected with the driving block 32, one end of the driven rod 34 is slidably installed in the first positioning slot 210, the other end of the driven rod 34 is hingedly connected with the fixed frame 22.

[0024] The top of the adjusting driving screw 31 is fixedly installed with a nut, the nut is arranged at the top of the fixed frame 22, and misoperation is not prone to occur in the use process.

[0025] The fixed frame 22 is provided with a clamping assembly 5, the clamping assembly 5 is used for fixing and clamping a wall body, the clamping assembly 5 comprises a fixed clamping plate 51, a movable clamping plate 52 and a clamping bolt 53, the fixed clamping plate 51 is fixedly connected with the fixed frame 22, the clamping bolt 53 penetrates through the fixed frame 22, the movable clamping plate 52 is threadedly connected with the clamping bolt 53, a clamping space is formed between the fixed clamping plate 51 and the movable clamping plate 52, the movable clamping plate 52 is driven to slide by rotating the clamping bolt 53, and the wall body is clamped, and the clamping bolt 53 is used for driving the movable clamping plate 52 to perform a clamping action, so that the installation mode is simple in operation and does not damage the wall surface.

[0026] The fixed frame 22 is fixedly connected with a positioning sleeve 6 on one side close to the movable clamping plate 52, the movable clamping plate 52 is fixedly connected with a positioning column 7, the positioning sleeve 6 and the positioning column 7 are correspondingly arranged, the positioning column 7 is slidably inserted into the positioning sleeve 6, and the positioning sleeve 6 and the positioning column 7 are both provided with two groups.

[0027] The two groups of positioning sleeves 6 and positioning columns 7 are arranged on the two sides of the clamping bolt 53 respectively.

[0028] The inside of the fixed frame 22 is fixedly connected with a reinforcing block 221, a rotating bearing is fixedly installed at the top of the reinforcing block 221, one end of the adjusting driving screw 31 penetrates through the top of the fixed frame 22, and the other end of the adjusting driving screw 31 is connected with the rotating bearing at the top of the reinforcing block 221.

[0029] The hinged connecting rod 4 comprises a first hinged rod 41 and a second hinged rod 42, one end of the first hinged rod 41 is hingedly connected with the fixed frame 22, the other end of the first hinged rod 41 is hingedly connected with the second hinged rod 42, and one end, away from the first hinged rod 41, of the second hinged rod 42 is hingedly connected with the fixed door frame 21.

[0030] The bottom of the fixed frame 22 is provided with a caster 8, and the caster 8 is arranged to facilitate movement.

[0031] The above shows and describes the basic principles, main features and advantages of the present application. Those skilled in the art should understand that the present application is not limited to the above-mentioned embodiments, and the above-mentioned embodiments and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application.

Claims

1. A width adjustable elevator shaft guardrail, characterized by: The system includes a protective door (1) and a width-adjustable door frame (2). The protective door (1) is movably installed inside the width-adjustable door frame (2). The width-adjustable door frame (2) includes a fixed door frame (21) and a fixed side frame (22). The fixed door frame (21) is movably connected to the protective door (1), and the fixed side frame (22) is fixedly connected to the wall. A width adjustment device (3) and a hinged connecting rod (4) are provided between the fixed door frame (21) and the fixed side frame (22). Multiple hinged connecting rods (4) are provided. The width adjustment device (3) includes an adjustment drive screw (31), a drive block (32), an active rod (33), and a passive rod (34). The adjustment drive screw (31) is rotatably mounted on the fixed frame (22). The drive block (32) is slidably mounted in the fixed frame (22). The active rod (33) and the passive rod (34) are arranged crosswise. The intersection of the active rod (33) and the passive rod (34) is hinged. A first positioning groove (210) is provided on the fixed door frame (21). One end of the active rod (33) is hinged to the fixed door frame (21), and the other end of the active rod (33) is hinged to the drive block (32). One end of the passive rod (34) is slidably mounted in the first positioning groove (210), and the other end of the passive rod (34) is hinged to the fixed frame (22).

2. A width adjustable elevator shaft access guardrail according to claim 1, characterized in that: A clamping assembly (5) is provided on the fixed frame (22). The clamping assembly (5) is used to fix and clamp the wall. The clamping assembly (5) includes a fixed clamping plate (51), a movable clamping plate (52), and a clamping bolt (53). The fixed clamping plate (51) is fixedly connected to the fixed frame (22). The clamping bolt (53) passes through the fixed frame (22). The movable clamping plate (52) and the clamping bolt (53) are threaded together. A clamping space is formed between the fixed clamping plate (51) and the movable clamping plate (52) for clamping the wall. The clamping bolt (53) is used to drive the movable clamping plate (52) to perform the clamping action.

3. A width adjustable elevator shaft access guardrail according to claim 2, characterised in that: A positioning sleeve (6) is fixedly connected to the side of the fixed frame (22) near the movable clamp (52), and a positioning post (7) is fixedly connected to the movable clamp (52). The positioning sleeve (6) and the positioning post (7) are arranged correspondingly, and the positioning post (7) is slidably inserted into the positioning sleeve (6).

4. A width adjustable elevator shaft access guardrail according to claim 3, wherein: The positioning sleeve (6) and positioning post (7) are provided in two sets, and the two sets of positioning sleeve (6) and positioning post (7) are respectively provided on both sides of the clamping bolt (53).

5. A width adjustable elevator shaft access guardrail according to claim 1, characterized in that: A reinforcing block (221) is fixedly connected inside the fixed frame (22). A rotating bearing is fixedly installed on the top of the reinforcing block (221). One end of the adjusting drive screw (31) passes through the top of the fixed frame (22), and the other end of the adjusting drive screw (31) is connected to the rotating bearing on the top of the reinforcing block (221).

6. A width adjustable elevator shaft access guardrail according to claim 1, characterized in that: The articulated connecting rod (4) comprises a first articulated rod (41) and a second articulated rod (42), one end of the first articulated rod (41) is hinged with the fixed side frame (22), the other end of the first articulated rod (41) is hinged with the second articulated rod (42), and one end of the second articulated rod (42) away from the first articulated rod (41) is hinged with the fixed door frame (21).

7. A width adjustable elevator shaft access guardrail according to claim 1, wherein: The bottom of the fixed side frame (22) is provided with a castor (8).

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