Multifunctional handrail device in the car

Abstract

The application relates to the elevator car technical field and provides a multifunctional handrail device in a car, which comprises a connecting plate connected with a car side wall and a handrail body arranged on the connecting plate, a telescopic mechanism is vertically arranged on one side end face of the connecting plate, the handrail body is arranged at the end of a telescopic shaft of the telescopic mechanism, a pressure sensing strip is arranged on the side end face of the handrail body away from the telescopic mechanism, two opposite light-sensing photoelectric sensors are symmetrically arranged on the top end face of the handrail body along the length direction of the handrail body, and a plurality of mobile hooks are arranged between the two opposite light-sensing photoelectric sensors on the top of the handrail body; a clutch mechanism movably connected with the handrail body is arranged in the mobile hook, the two opposite light-sensing photoelectric sensors are electrically connected with the clutch mechanism, and the pressure sensing strip is electrically connected with the telescopic mechanism. The handrail body is telescopic, the pressure of personnel pressing is detected through the pressure sensing strip, the distance between the handrail body and the mounting side wall is adjusted by controlling the telescopic mechanism, the handrail function is realized, and the occupation of the car space can be flexibly avoided.

Description

Technical Field

[0001] This application belongs to the field of elevator car technology, specifically relating to a multi-functional handrail device inside the elevator car. Background Technology

[0002] When the elevator car starts moving, due to inertia, passengers inside are prone to losing their balance and falling or experiencing other accidents. To prevent this, some elevator cars are equipped with handrails on their inner walls for passengers to hold onto. However, if the handrails extend too far from the side walls of the car, they will obviously take up space; if they extend too short, they will affect the grip and fail to serve their intended purpose. Furthermore, the lack of hooks or similar hooks inside the car means that when carrying heavy loads such as hands or backpacks, the inertia is even greater, making passengers more likely to sway and fall. Summary of the Invention

[0003] This application provides a multi-functional handrail device inside the car to solve or partially solve the problems mentioned in the background art.

[0004] This application provides a multi-functional handrail device for a car, including a connecting plate connected to the side wall of the car and a handrail body disposed on the connecting plate. A telescopic mechanism is vertically disposed on one end face of the connecting plate. The handrail body is disposed at the end of the telescopic shaft of the telescopic mechanism. A pressure sensing strip is disposed on the end face of the handrail body away from the telescopic mechanism. Through-beam photoelectric sensors are symmetrically disposed on both sides of the top end face of the handrail body along its length direction. Several movable hooks are disposed on the top of the handrail body relative to the two through-beam photoelectric sensors.

[0005] The movable hook includes a slide seat that slides on the handrail body. A multi-purpose hook is provided on the top of the slide seat. A clutch mechanism that is movably connected to the handrail body is provided inside the slide seat. Through detection slots are provided on both sides of the slide seat along the length direction of the handrail body. The detection optical path of the through-beam photoelectric sensor passes through the detection slots on each movable hook in sequence.

[0006] The through-beam photoelectric sensor is electrically connected to the clutch mechanism, and the pressure sensing strip is electrically connected to the telescopic mechanism.

[0007] Preferably, the two sides of the handrail body are arc-shaped structures that bend toward the telescopic mechanism.

[0008] Preferably, the telescopic mechanism is provided with guide telescopic rods symmetrically arranged on both sides along the length of the handrail body, and the two ends of the guide telescopic rods are respectively connected to the connecting plate and the handrail body.

[0009] Preferably, a top slide groove and a side clutch groove are respectively provided on the top of the handrail body and on the side near the telescopic mechanism, and both the top slide groove and the side clutch groove extend along the length direction of the handrail body; the sliding seat of the movable hook is embedded in the top slide groove, and the clutch mechanism is located inside the sliding seat at a position opposite to the side clutch groove.

[0010] Preferably, the clutch mechanism includes a pressing mechanism embedded in the slide and a dynamic friction plate disposed on the telescopic shaft of the pressing mechanism. A static friction strip is disposed in the clutch groove, and the dynamic friction plate and the static friction strip are in moving contact.

[0011] Preferably, the end of the multi-purpose hook is fitted with an elastic protective sleeve.

[0012] Preferably, a shift trigger switch is provided at the bottom of the elastic protective sleeve, and the shift trigger switch is electrically connected to the through-beam photoelectric sensor.

[0013] Preferably, the telescopic mechanism is an electric cylinder.

[0014] Compared with the prior art, the beneficial effects of this application are as follows:

[0015] The multifunctional handrail device of this application has a retractable handrail body. The pressure sensor detects the pressure of people pressing against it and controls the telescopic mechanism to adjust the distance between the handrail body and the installation side wall. It not only serves as a handrail but also flexibly avoids occupying the space in the car. At the same time, a sliding hook is set on the handrail to facilitate the hanging of bags or backpacks, reducing the burden on passengers and improving the comfort and safety of the car. Attached Figure Description

[0016] The present application will be further described below with reference to the accompanying drawings and embodiments.

[0017] Figure 1 This is a top view of the overall structure of this application.

[0018] Figure 2 This is a rear view of the overall structure of this application.

[0019] Figure 3 This is a magnified view A of this application.

[0020] Figure 4 This is a cross-sectional view of the slide of this application.

[0021] In the picture:

[0022] 1. Connecting plate; 2. Telescopic mechanism; 3. Guide telescopic rod; 4. Handrail body; 5. Movable hook; 6. Pressure sensing strip; 7. Through-beam photoelectric sensor; 41. Top slide groove; 42. Side clutch groove; 51. Slide seat; 52. Multi-purpose hook; 53. Elastic protective sleeve; 54. Detection groove; 55. Clutch mechanism; 421. Static friction strip; 531. Displacement trigger switch. Detailed Implementation

[0023] The specification and claims use certain terms to refer to specific components. Those skilled in the art will understand that hardware manufacturers may use different names to refer to the same component. This specification and claims do not distinguish components based on differences in name, but rather on differences in function. The term "comprising" throughout the specification and claims is an open-ended term and should be interpreted as "comprising but not limited to." "Approximately" means that within an acceptable margin of error, those skilled in the art can solve the technical problem and substantially achieve the technical effect within a certain margin of error.

[0024] In the description of this application, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "horizontal", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application.

[0025] In this application, unless otherwise expressly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection between two components. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.

[0026] Example 1

[0027] like Figures 1 to 4As shown, this application provides a multi-functional handrail device for an elevator car, including a connecting plate 1 connected to the side wall of the car and a handrail body 4 disposed on the connecting plate 1. A telescopic mechanism 2 is vertically disposed on one end face of the connecting plate 1. The handrail body 4 is disposed at the end of the telescopic shaft of the telescopic mechanism 2. A pressure sensing strip 6 is disposed on the end face of the handrail body 4 away from the telescopic mechanism 2. Through-beam photoelectric sensors 7 are symmetrically disposed on both sides of the top end face of the handrail body 4 along its length direction. A number of... The movable hook 5 includes a slide seat 51 slidably mounted on the handrail body 4. A multi-purpose hook 52 is provided on the top of the slide seat 51. A clutch mechanism 55 movably connected to the handrail body 4 is provided inside the slide seat 51. Through detection slots 54 are opened on both sides of the slide seat 51 along the length direction of the handrail body 4. The detection optical path of the through-beam photoelectric sensor 7 passes through the detection slots 54 on each movable hook 5 in sequence. The through-beam photoelectric sensor 7 is electrically connected to the clutch mechanism 55. The pressure sensing strip 6 is electrically connected to the telescopic mechanism 2.

[0028] The multifunctional handrail device of this application features a retractable handrail body 4. A pressure sensor 6 detects the pressure exerted by passengers, controlling the telescopic mechanism 2 to adjust the distance between the handrail body 4 and the installation side wall. This serves as a handrail while flexibly avoiding encroachment on the car's space. Simultaneously, a sliding hook 5 is installed on the handrail body 4 for conveniently hanging heavy items such as bags or backpacks, reducing passenger burden and improving car comfort and safety. The movable hook 5 allows passengers to easily adjust its position according to their standing position within the car, enhancing flexibility and practicality.

[0029] The armrest body 4 has an installation groove on the side away from the telescopic mechanism 2. The pressure sensing strip 6 is movably embedded in the installation groove. A pressure sensor is provided on the side of the pressure sensing strip 6 close to the installation groove. When the pressure sensing strip 6 is subjected to force, the pressure sensor sends a squeezing signal.

[0030] The through-beam photoelectric sensor 7 and the clutch mechanism 55 are used to control the connection and disconnection of the movable hook 5 from the handrail body 4. Specifically, the through-beam photoelectric sensor 7 detects in real time whether there is a hand gripping or leaning on the handrail body 4. If so, the clutch mechanism 55 is connected to the handrail body 4 to prevent the movable hook 5 from squeezing or pinching a hand when it moves. If not, the clutch mechanism 55 is disconnected from the handrail body 4 so that the movable hook 5 can move freely.

[0031] Preferably, the two sides of the handrail body 4 are arc-shaped structures that bend towards the telescopic mechanism 2 to avoid collision between the two sides of the handrail body 4 and the body of the person, thus preventing injury.

[0032] Preferably, the telescopic mechanism 2 is provided with guide telescopic rods 3 symmetrically arranged on both sides along the length direction of the handrail body 4, and the two ends of the guide telescopic rods 3 are respectively connected to the connecting plate 1 and the handrail body 4.

[0033] The guide telescopic rod 3 is a telescopic rod with an outer sleeve and an inner insert rod structure. Its function is to support the handrail body 4 and make the movement of the handrail body 4 more stable.

[0034] Specifically, the top of the handrail body 4 and the side near the telescopic mechanism 2 are respectively provided with a top sliding groove 41 and a side clutch groove 42. Both the top sliding groove 41 and the side clutch groove 42 extend along the length of the handrail body 4. The sliding seat 51 of the movable hook 5 is embedded in the top sliding groove 41. The clutch mechanism 55 is located inside the sliding seat 51 at a position opposite to the side clutch groove 42. The clutch mechanism 55 includes a pressing mechanism embedded in the sliding seat 51 and a moving friction plate provided on the telescopic shaft of the pressing mechanism. A static friction strip 421 is provided in the clutch groove. The moving friction plate and the static friction strip 421 move against each other.

[0035] The pressing mechanism causes the moving friction plate to abut against the static friction strip 421, thereby fixing the slide 51 to the handrail body 4. Conversely, it causes the slide 51 to disengage from the handrail body 4, thereby allowing the movable hook 5 to slide and be fixed on the handrail body 4.

[0036] Preferably, the end of the multi-purpose hook 52 is fitted with an elastic protective sleeve 53, and the bottom of the elastic protective sleeve 53 is provided with a shift trigger switch 531, which is electrically connected to the through-beam photoelectric sensor 7.

[0037] In addition to serving as a hook for hanging backpacks or bags of heavy objects, the multi-purpose hook 52 can also function as a movable handrail for people to grip. The shift trigger switch 531 acts as a switch to activate the through-beam photoelectric sensor 7. When the shift trigger switch 531 is closed, the clutch mechanism 55 controls the movable hook 5 to lock with the handrail body 4, and the through-beam photoelectric sensor 7 is in the off state. When the shift trigger switch 531 is open, the through-beam photoelectric sensor 7 is activated to detect whether there is an obstacle in the light path. If there is, the clutch mechanism 55 continues to lock; if there is no obstacle, the clutch mechanism 55 is disengaged from the handrail body 4, allowing the movable hook 5 to move freely.

[0038] Preferably, this application provides a controller on the connecting plate 1. The controller is electrically connected to the through-beam photoelectric sensor 7, the clutch mechanism 55, the telescopic mechanism 2, the pressure sensing strip 6, and the shift trigger switch 531, and the above control logic is realized through the controller.

[0039] The pressing mechanism and the telescopic mechanism 2 are electric cylinders.

[0040] The embodiments of this application have been described in detail above with reference to the accompanying drawings. However, this application is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of this application.

Claims

1. A multi-functional handrail device inside a car, comprising a connecting plate (1) connected to the side wall of the car and a handrail body (4) disposed on the connecting plate (1), characterized in that: The connecting plate (1) has a telescopic mechanism (2) hanging vertically on one end face. The handrail body (4) is located at the end of the telescopic shaft of the telescopic mechanism (2). The handrail body (4) has a pressure sensing strip (6) on the end face away from the telescopic mechanism (2). The top end face of the handrail body (4) has through-beam photoelectric sensors (7) symmetrically arranged on both sides along its length direction. The top of the handrail body (4) has several movable hooks (5) between the two through-beam photoelectric sensors (7). The movable hook (5) includes a slide seat (51) that slides on the handrail body (4). The top of the slide seat (51) is provided with a multi-purpose hook (52). The slide seat (51) is provided with a clutch mechanism (55) that is movably connected to the handrail body (4). The slide seat (51) has through detection slots (54) on both sides along the length of the handrail body (4). The detection optical path of the through-beam photoelectric sensor (7) passes through the detection slots (54) on each movable hook (5) in sequence. The through-beam photoelectric sensor (7) is electrically connected to the clutch mechanism (55), and the pressure sensing strip (6) is electrically connected to the telescopic mechanism (2).

2. The multi-functional handrail device inside the car according to claim 1, characterized in that: The handrail body (4) has arc-shaped structures on both sides that bend toward the telescopic mechanism (2).

3. The multi-functional handrail device inside the car according to claim 1, characterized in that: The telescopic mechanism (2) is symmetrically provided with guide telescopic rods (3) on both sides along the length direction of the handrail body (4), and the two ends of the guide telescopic rods (3) are respectively connected to the connecting plate (1) and the handrail body (4).

4. The multi-functional handrail device inside the car according to claim 1, characterized in that: The top of the handrail body (4) and the side near the telescopic mechanism (2) are respectively provided with a top sliding groove (41) and a side clutch groove (42), and both the top sliding groove (41) and the side clutch groove (42) extend along the length of the handrail body (4). The slide (51) of the movable hook (5) is embedded in the top slide groove (41), and the clutch mechanism (55) is located inside the slide (51) at a position opposite to the side clutch groove (42).

5. The multi-functional handrail device inside the car according to claim 4, characterized in that: The clutch mechanism (55) includes a holding mechanism embedded in the slide (51) and a dynamic friction plate disposed on the telescopic shaft of the holding mechanism. A static friction strip (421) is disposed in the clutch groove, and the dynamic friction plate and the static friction strip (421) move in contact.

6. The multi-functional handrail device inside the car according to claim 1, characterized in that: The end of the multi-purpose hook (52) is fitted with an elastic protective sleeve (53).

7. The multi-functional handrail device inside the car according to claim 6, characterized in that: The bottom of the elastic protective sleeve (53) is provided with a shift trigger switch (531), which is electrically connected to the through-beam photoelectric sensor (7).

8. The multi-functional handrail device inside the car according to claim 1, characterized in that: The telescopic mechanism (2) is an electric cylinder.

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