Car front guardrail assembly with door opening and closing signal feedback function

Abstract

The utility model discloses a car front guardrail assembly with a door opening and closing signal feedback function, which comprises a front guardrail body, a door opening and closing signal feedback module and a door opening and closing signal feedback module, the door plate is rotatably mounted on the front guardrail body, and the door plate is used for sealing the passing notch; the switch support is fixedly installed on one side of the passing notch, and the end face of the door plate in the state of sealing the passing notch makes contact with the surface of the switch support. The signal switch is fixedly installed on the switch support, and the induction end of the signal switch is arranged in the receding hole in the switch support in a penetrating mode. Compared with the prior art, the problem that an existing front guardrail of the lift car is inconvenient to open and hinders maintenance is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to elevator maintenance guardrail technical field especially relates to a car front guardrail subassembly with switch door signal feedback function. BACKGROUND

[0002] Elevator inspection specification requires that the car edge to the distance of hoistway wall exceeds 300mm needs to configure guardrail. In view of the hall door space is bigger, especially single pass car case, the maintenance personnel need to reach the car roof through the hall door.

[0003] The conventional guardrail adopts the full-enclosed structure and is fixed through bolt, can not realize the flexible opening, leads to the hindrance maintenance personnel to pass through, causes the safety risk of maintenance personnel. UTILITY MODEL CONTENT

[0004] The utility model discloses a car front guardrail subassembly with switch door signal feedback function to solve the prior art car front guardrail opening inconvenient, hindering the maintenance problem.

[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme: a car front guardrail subassembly with switch door signal feedback function, comprising:

[0006] The front guardrail body is provided with a through gap;

[0007] The door plate is rotatably installed on the front guardrail body, and the door plate is used for closing the through gap;

[0008] The switch support is fixedly installed on one side of the through gap, and the end surface of the door plate in the closed through gap state contacts the surface of the switch support;

[0009] The signal switch is fixedly installed on the switch support, and the sensing end of the signal switch is arranged in the avoiding hole on the switch support.

[0010] As a further description of the above technical scheme:

[0011] The front guardrail body is further provided with a spring, one end of the spring is fixedly installed on the door plate, and the opposite end is fixedly installed on the front guardrail body.

[0012] As a further description of the above technical scheme:

[0013] The door plate is provided with a plurality of installation holes arranged in a straight line.

[0014] As a further description of the above technical scheme:

[0015] The door plate end is provided with a bent edge.

[0016] As a further description of the above technical scheme:

[0017] The door plate is provided with a handle.

[0018] As a further description of the above technical solution:

[0019] The front guardrail body is provided with angle steels arranged symmetrically on both sides.

[0020] As a further description of the above technical solution:

[0021] The angle steels are provided with a plurality of waist-shaped holes.

[0022] As a further description of the above technical solution:

[0023] The front guardrail body is provided with a square nut, and the rotating shaft of the door plate is arranged in the square nut.

[0024] As a further description of the above technical solution, the beneficial effects of the present application are:

[0025] 1. In the present application, the door plate of the front guardrail body can be opened and closed conveniently, and the opening direction does not affect the space for people to get on the door machine side, and the opening and closing feedback signal is stable.

[0026] 2. In the present application, the rotating opening door plate can effectively utilize the side space, avoid the horizontal space requirement of the opening door position of the flat opening design, and solve the problem that the door machine and the hall door space are narrow and cannot be completely opened.

[0027] 3. In the present application, the spring is arranged between the door plate and the front guardrail body, which can effectively prevent the end of the door plate from leaving the signal switch under the condition of car operation and vibration, avoid causing elevator failure, and the door plate is not easy to be accidentally opened under the back pulling force of the spring. BRIEF DESCRIPTION OF DRAWINGS

[0028] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments, and it should be understood that the following drawings only show some embodiments of the present application, and should not be regarded as limiting the scope, and for those skilled in the art, other related drawings can be obtained without creative labor under the premise of not paying.

[0029] Figure 1 It is a closing schematic view of a car front guardrail assembly with door opening and closing signal feedback function.

[0030] Figure 2 It is an opening schematic view of a car front guardrail assembly with door opening and closing signal feedback function.

[0031] Figure 3 It is a structure schematic view of the front guardrail body in the car front guardrail assembly with the switch door signal feedback function.

[0032] Figure 4 It is a side view angle structure schematic view of the front guardrail body in the car front guardrail assembly with the switch door signal feedback function.

[0033] Figure 5 It is a top view angle structure schematic view of the front guardrail body in the car front guardrail assembly with the switch door signal feedback function.

[0034] Figure 6 It is a structure schematic view of the door plate in the car front guardrail assembly with the switch door signal feedback function.

[0035] Figure 7 It is a top view angle structure schematic view of the door plate in the car front guardrail assembly with the switch door signal feedback function.

[0036] Legend:

[0037] 1, front guardrail body; 11, through gap; 12, angle steel; 121, waist type hole; 13, square nut; 2, door plate; 21, mounting hole; 22, bent edge; 23, handle; 3, switch support; 31, avoiding hole; 4, signal switch; 5, spring. DETAILED DESCRIPTION

[0038] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0039] Embodiment 1

[0040] Please refer to Figures 1-7 The present application provides a technical solution: a car front guardrail assembly with a switch door signal feedback function, comprising:

[0041] The front guardrail body 1 is provided with a through gap 11;

[0042] The door plate 2 is rotatably installed on the front guardrail body 1, and the door plate 2 is used for closing the through gap 11;

[0043] The switch support 3 is fixedly installed on one side of the through gap 11, and the end surface of the door plate 2 in the closed through gap 11 state contacts the surface of the switch support 3.

[0044] The signal switch 4 is fixedly installed on the switch support 3, and the sensing end of the signal switch 4 is arranged through the avoiding hole 31 on the switch support 3. The signal switch is selected as an IP type, and can be normally open or normally closed, is flexibly used, is suitable for various scenes, and has strong applicability.

[0045] The front guardrail body 1 is provided with angle steels 12 arranged symmetrically on both sides, and a plurality of waist-shaped holes 121 are arranged on the angle steels 12. The front guardrail body 1 is formed by welding a horizontal square tube, a vertical square tube and a bottom reinforcing square tube. The front guardrail body 1 is connected to the side guardrail through the angle steels 12 on the left and right sides, and the upper and lower connecting hole positions adopt the waist-shaped holes 121, so that the installation can be adjusted according to the actual situation.

[0046] Working principle: The top of the car is provided with a front guardrail assembly, two side guardrails and a rear guardrail to form a complete rectangular guardrail structure. In order to facilitate the maintenance of the top of the car, after the professional maintenance personnel open the layer door, the door plate 2 is manually rotated to rotate and open through the gap 11. At this time, the end of the door plate 2 is separated from the switch support 3, the signal switch 4 cannot detect the door plate 2, the switch signal of the signal switch 4 connected to the elevator control loop is disconnected, so that the elevator cannot be started. After the maintenance is completed, the personnel exit the car top, rotate the door plate 2 to close and reset, so that the signal switch 4 detects the door plate 2 again, the switch signal is normally closed, and the elevator can be started at any time. The rotatable door plate 2 on the front guardrail body 1 is not only convenient to open and easy for maintenance personnel to pass through, but also does not affect the door machine side space in the opening direction, and can realize stable switch door feedback signal. The car front guardrail assembly structure is simple, has strong applicability, and can be used for various car structures.

[0047] The rotatable opening door plate 2 can effectively utilize the side space, avoid the horizontal space requirement of the horizontal opening design on the door opening position, and solve the problem that the door cannot be completely opened when the horizontal door opening position encounters narrow door machine and hall door space.

[0048] Embodiment 2

[0049] In the embodiment, a spring 5 is further arranged on the front guardrail body 1, one end of the spring 5 is fixedly installed on the door plate 2, and the other end is fixedly installed on the front guardrail body 1. The ends of the spring 5 are respectively hooked on the connecting bolts on the front guardrail body 1 and the door plate 2.

[0050] The spring 5 arranged between the door plate 2 and the front guardrail body 1 can effectively prevent the end of the door plate 2 from being separated from the signal switch 4 under the condition of car running and vibration, avoid causing elevator failure, and prevent the door leaf from being accidentally opened under the back pulling force of the spring 5.

[0051] The door plate 2 is provided with a plurality of installation holes 21 arranged in a straight line. The installation holes 21 are used for installing bolts for fixing the springs 5. The plurality of installation holes 21 arranged in a straight line, for example, five installation holes 21 as shown in the figure, can adjust the stretching of the springs 5 when the door plate 2 is closed, so as to adjust the closing effect of the door plate 2.

[0052] Embodiment 3

[0053] The door plate 2 is provided with a plurality of installation holes 21 arranged in a straight line. The installation holes 21 are used for installing bolts for fixing the springs 5. The plurality of installation holes 21 arranged in a straight line, for example, five installation holes 21 as shown in the figure, can adjust the stretching of the springs 5 when the door plate 2 is closed, so as to adjust the closing effect of the door plate 2.

[0054] Specifically, the end of the door plate 2 is bent twice by 90 degrees, so that the bent edge 22 and the door plate form a "U" type structure, which not only ensures the contact area of the door plate 2 and the switch bracket 3, but also can use the bent edge 22 to open and close the door plate 2.

[0055] Embodiment 4

[0056] The door plate 2 is provided with a plurality of installation holes 21 arranged in a straight line. The installation holes 21 are used for installing bolts for fixing the springs 5. The plurality of installation holes 21 arranged in a straight line, for example, five installation holes 21 as shown in the figure, can adjust the stretching of the springs 5 when the door plate 2 is closed, so as to adjust the closing effect of the door plate 2.

[0057] The door plate 2 is provided with a plurality of installation holes 21 arranged in a straight line. The installation holes 21 are used for installing bolts for fixing the springs 5. The plurality of installation holes 21 arranged in a straight line, for example, five installation holes 21 as shown in the figure, can adjust the stretching of the springs 5 when the door plate 2 is closed, so as to adjust the closing effect of the door plate 2.

[0058] Embodiment 5

[0059] The door plate 2 is provided with a plurality of installation holes 21 arranged in a straight line. The installation holes 21 are used for installing bolts for fixing the springs 5. The plurality of installation holes 21 arranged in a straight line, for example, five installation holes 21 as shown in the figure, can adjust the stretching of the springs 5 when the door plate 2 is closed, so as to adjust the closing effect of the door plate 2.

[0060] The door plate 2 is provided with a plurality of installation holes 21 arranged in a straight line. The installation holes 21 are used for installing bolts for fixing the springs 5. The plurality of installation holes 21 arranged in a straight line, for example, five installation holes 21 as shown in the figure, can adjust the stretching of the springs 5 when the door plate 2 is closed, so as to adjust the closing effect of the door plate 2.

[0061] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this. Any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A car front balustrade assembly having a door opening signal feedback function, characterized by, The utility model relates to a front guardrail body is provided with the through gap on it, the door plate is rotatably installed on the front guardrail body, and the door plate is used for closing the through gap, the switch support is fixedly installed on one side of the through gap, and the end surface of the door plate in the closed through gap state contacts the switch support surface, the signal switch is fixedly installed on the switch support, and the inductive end of the signal switch is arranged in the avoiding hole on the switch support. The front guardrail body is further provided with a spring, one end of the spring is fixedly installed on the door plate, and the other end is fixedly installed on the front guardrail body. The door plate is provided with a plurality of installation holes arranged in a straight line. The door plate is provided with a bent edge at the end. The door plate is provided with a handle.

2. The car front guard assembly having a door opening signal feedback function according to claim 1, characterized in that, The front guardrail body is provided with angle steels arranged symmetrically on both sides.

3. The car front guard assembly having a door open signal feedback function according to claim 1, characterized in that, The angle steels are provided with a plurality of waist-shaped holes.

4. The car front guard assembly having a door open signal feedback function according to claim 1, wherein The front guardrail body is provided with a square nut, and the rotating shaft of the door plate is arranged in the square nut.

5. The car front guard assembly having a door open signal feedback function according to claim 1, wherein ​ 6. The car front guard assembly having a door open signal feedback function according to claim 1, wherein ​ 7. The car front guard assembly having a door open signal feedback function according to claim 6, wherein ​ 8. The car front guard assembly having a door open signal feedback function according to claim 1, wherein ​

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