CN111834138B

CN111834138B - Emergency stop button of escalator

Info

Publication number: CN111834138B
Application number: CN202010787510.3A
Authority: CN
Inventors: 叶朋鑫; 彭文静; 屈文; 王守镜; 龚敏
Original assignee: West China Hospital of Sichuan University
Current assignee: West China Hospital of Sichuan University
Priority date: 2020-08-07
Filing date: 2020-08-07
Publication date: 2022-05-24
Anticipated expiration: 2040-08-07
Also published as: CN111834138A

Abstract

The invention provides an escalator emergency stop button, which relates to the technical field of elevator equipment and comprises a shell and a mushroom head button arranged in the shell, wherein the tail end of the mushroom head button is connected with one end of a lever through a pivot shaft, the middle part of the lever is connected with a support through a pivot shaft, the other end of the lever is connected with one end of a pull rod through a pivot shaft, and the pull rod penetrates through the shell and is connected with a handle positioned on the outer side of the head end of the mushroom head button. The fixed first sliding sleeve that cup joints on the first button of mushroom that is provided with on the casing, installs the elastic nail on the first button of mushroom, is provided with the spout that supplies the elastic nail to insert and slide on the first sliding sleeve, and the tip of spout is provided with the locking groove that prevents the first button of mushroom and kick-backs after pressing, and the locking groove communicates through manual return chute with the other end of spout. The problem of many people do not know the function of scram button on the automatic escalator among the prior art and make can not effectively save oneself when meeting with the automatic escalator injury is solved.

Description

Emergency stop button of escalator

Technical Field

The invention relates to the technical field of elevator equipment, in particular to an escalator emergency stop button convenient for trapped people to operate.

Background

With the development of science and technology and the progress of society, the convenient escalator is widely applied to public places such as superstores, airports, railway stations, subway exits and underground passages, and becomes a public facility frequently used by people. However, the escalator brings convenience to people, and meanwhile, fear and uneasiness are brought to people due to the fact that the escalator hurts people frequently.

In order to stop the escalator in time when the escalator has faults or abnormal conditions (such as people clamping or object clamping), the emergency stop buttons are arranged at the upper end and the lower end of each escalator which is installed in a qualified mode, the escalator can be effectively stopped by pressing the emergency stop buttons, damage is reduced, and time is won for next-step rescue.

However, in the existing escalator, in order to facilitate installation, emergency stop buttons are arranged at an inlet and an outlet of the escalator, and only the escalator with the lifting height of more than 12 meters is provided with the emergency stop button at the middle position of the escalator, so that in many times, when people find that the escalator needs to be pressed down, the people need to go to two ends of the escalator to press down, and valuable rescue time is delayed; when people are clamped on the escalator and fall down on the steps, people can move up or down along the running direction of the escalator, the clamped people cannot press the emergency stop button by themselves in the process, and if no other people help the escalator, the clamped parts are likely to be crushed; meanwhile, as a lot of people lack of correct knowledge of the emergency stop button on the escalator, even the escalator can stop running without knowing the emergency stop button on the escalator, so that the escalator is panic and mishaped after being clamped by the escalator and cannot finish self rescue.

The invention aims to provide the emergency stop button which can be used on the escalator, so that a clamped person can press the emergency stop button to save oneself unconsciously under the condition of conditioned reflex, and the emergency stop button on the escalator can better realize the function to protect the life safety of people.

Disclosure of Invention

Aiming at the problems in the prior art, the invention provides an escalator emergency stop button, which solves the problem that many people cannot effectively save themselves when encountering injuries of an escalator because the functions of the emergency stop button on the escalator are unknown in the prior art.

In order to achieve the purpose of the invention, the technical scheme adopted by the invention is as follows:

the utility model provides an automatic staircase scram button, it includes the casing and installs the mushroom head button in the casing, the tail end pivot of mushroom head button is connected in the one end of lever, and the middle part pivot of lever is connected on the support, and the other end pivot of lever is connected in the one end of pull rod, and the pull rod is connected with the handle that is located the mushroom head button head end outside after wearing out the casing.

The fixed first sliding sleeve that cup joints on the first button of mushroom that is provided with on the casing, installs the elastic nail on the first button of mushroom, is provided with the spout that supplies the elastic nail to insert and slide on the first sliding sleeve, and the tip of spout is provided with the locking groove that prevents the first button of mushroom and kick-backs after pressing, and the locking groove communicates through manual return chute with the other end of spout.

The invention has the beneficial effects that: the pull handle is pulled to enable one end of the pull rod to pull the lever to swing towards the direction of the head end of the mushroom head button, the lever is supported by the support, the lever can rotate around the pivot connection position of the lever and the support, the end, connected with the mushroom head button, of the lever swings towards the direction far away from the head end of the mushroom head button, due to the limiting effect of the first sliding sleeve, the mushroom head button can only move along the axial direction of the mushroom head button, and therefore the purpose of pressing the emergency stop button is achieved.

Install the emergency stop button in this scheme on automatic escalator and be located the place of taking advantage of the easy gripping of terraced people's back of falling, for example the bottom of rail guard, when taking advantage of terraced people's dress or foot etc. are cliied by the staircase and fall on the step, can in time pull the handle and start the emergency stop button and make automatic escalator stop, the emergency stop button in this scheme need not increase the propaganda dynamics and come the position of popularizing automatic escalator emergency stop button for everybody, can rely on the conditioned reflex of taking advantage of terraced people completely, the conditioned reflex of just wanting to grasp the handle is consciously down when the health is unstable promptly, start the emergency stop button, reach the purpose of saving oneself, need not rely on other people to run to the two departments of automatic escalator and press the emergency stop button, protect people's life safety.

Drawings

Fig. 1 is a front view of an escalator emergency stop button.

Fig. 2 is a sectional view taken along a-a in fig. 1.

Figure 3 is an isometric view of the first runner of figure 2.

Fig. 4 is an installation schematic diagram of an escalator emergency stop button.

Wherein, 1, a shell; 2. a mushroom head button; 21. mushroom head cap; 22. a spring for preventing misoperation; 3. a lever; 4. a support; 5. a pull rod; 51. a limiting ring; 6. a handle; 7. elastic nails; 71. a pressure spring; 72. blocking the platform; 8. a first sliding sleeve; 81. a chute; 82. a locking groove; 83. manually returning the chute; 9. a second sliding sleeve; 10. and (7) sealing the cover.

Detailed Description

The following description of the embodiments of the present invention is provided to facilitate the understanding of the present invention by those skilled in the art, but it should be understood that the present invention is not limited to the scope of the embodiments, and it will be apparent to those skilled in the art that various changes may be made without departing from the spirit and scope of the invention as defined and defined in the appended claims, and all matters produced by the invention using the inventive concept are protected.

As shown in fig. 1 and 2, the emergency stop button of the escalator comprises a shell 1 and a mushroom head button 2 arranged in the shell, wherein the tail end of the mushroom head button 2 is pivotally connected to one end of a lever 3, the middle part of the lever 3 is pivotally connected to a support 4, the other end of the lever 3 is pivotally connected to one end of a pull rod 5, and the pull rod 5 penetrates out of the shell 1 and is connected with a handle 6 positioned outside the head end of the mushroom head button.

Casing 1 is last to be fixed to be provided with the first sliding sleeve 8 of cup jointing on mushroom head button 2, installs elastic nail 7 on the mushroom head button 2, is provided with on the first sliding sleeve 8 to supply elastic nail 7 to insert and the spout 81 that slides, and the tip of spout 81 is provided with prevents the locking groove 82 of the first button 2 resilience of back of pressing down, and locking groove 82 communicates through manual return chute 83 with the other end of spout 81.

The tail end of the mushroom head button 2 is clamped at two sides of the lever 3 through two extension plates which are fixedly connected, and the two extension plates and the lever 3 are in through connection at the overlapped part through a pivot; the support 4 is fixed to the housing 1 and provides a fulcrum for the lever 3. In order to improve that the transmission between lever 3 and mushroom head button 2 and pull rod 5 is more smooth and easy, reduce and interfere, it has the bar hole to process at the both ends of lever 3, and the bar hole at both ends supplies the pivot of both ends connection to pass respectively, and the pivot can move along the bar hole.

The inner wall of first sliding sleeve 8 is smooth, needs higher machining precision, and first sliding sleeve 8 inlays through the mode of tight fit and adorns on casing 1, with mushroom head button 2 coaxial setting and with the mushroom head button 2 the outer wall between have the clearance for lead the removal of mushroom head button 2, make mushroom head button 2 can only be along its axial displacement.

The elastic nail 7 is always abutted against the bottom surface of the sliding groove 81 by means of elasticity, the mushroom head button 2 is pressed down, the elastic nail 7 is moved to the locking groove 82 along the sliding groove 81 to be locked, the mushroom head button 2 can be prevented from returning, only when the mushroom head button 2 is artificially rotated, the elastic nail 7 can return to the other end of the sliding groove 81 along the manual return chute 83, and the reliability of the emergency stop button is improved.

The second sliding sleeve 9 is sleeved on the pull rod 5, the second sliding sleeve 9 is fixed on the shell 1, and a limiting ring 51 for preventing the pull rod 5 from being pulled out excessively is fixedly connected to the pull rod 5 between the second sliding sleeve 9 and the lever 3. The pulling pull rod 5 can trigger the emergency stop button to stop the escalator, and meanwhile the second sliding sleeve 9 is tightly abutted through the limiting ring 51, so that the strength of the handle 6 can be improved, if a blocked elevator taking person falls down, the handle 6 can have enough strength to prevent the elevator from being broken, and the reliability is improved.

The distance between one end of the lever 3 connected with the pull rod 5 and the support 4 is larger than the distance between one end of the lever 3 connected with the tail end of the mushroom head button 2 and the support 4, so that the lever 3 becomes a labor-saving lever, and the pulling force required for starting the emergency stop button is reduced.

A mushroom head cap 21 is fixed at the head end of the mushroom head button 2, and an anti-misoperation spring 22 is arranged between the mushroom head cap 21 and the first sliding sleeve 8. The mushroom head button 2 can be pressed by controlling the pulling force required by selecting the anti-misoperation springs 22 with different elasticity coefficients, the set pulling force is proper, so that children who easily see the emergency stop button can not press the mushroom head button 2 by pulling the handle 6, and the emergency stop button can be triggered to stop the escalator only by pulling the handle with great force under an emergency condition, so that misoperation is prevented.

The elastic nail 7 is radially arranged on the mushroom head button 2, one end of the elastic nail 7 is inserted into the sliding groove 81, the other end of the elastic nail 7 is sleeved with the pressure spring 71, the middle of the elastic nail 7 is provided with a blocking platform 72 for preventing the elastic nail 7 from being separated from the mushroom head button 2, and the pressure spring 71 is abutted to the blocking platform 72. The side wall of the mushroom head button 2 is provided with a containing cavity, a baffle is fixed on the containing cavity, a through hole for allowing one end of the elastic nail 7 to penetrate out is formed in the baffle, and the baffle can block the baffle table 72 to prevent the elastic nail 7 from sliding out of the containing cavity. The elastic nail 7 and the baffle table 72 form a cross-shaped structure, and one end of the elastic nail 7, which is positioned in the accommodating cavity, is inserted into the compression spring 71, so that the elastic nail can support and guide the compression spring 71. One end of the compression spring 71 is fixed on the bottom plate of the accommodating cavity, and the other end of the compression spring 71 abuts against the stop 72.

The diameter of the locking groove 82 is equal to the diameter of the elastic nail 7, and the depth of the locking groove 82 is at least twice as deep as the sliding groove 81. Because the pressure spring 71 that elastic nail 7 compressed all the time supports the trend that moves to one side of keeping away from mushroom head button 2, in case there is the deeper locking groove 82 of degree of depth to appear, the tip of elastic nail 7 directly slides into in locking groove 82, because the limiting displacement of locking groove 82 side, make elastic nail 7 can not directly get back to in the spout 81 along the axial in the opposite direction, reach the purpose that prevents mushroom head button 2 return, avoid the automatic escalator not yet overhauld and accomplish and can automatic start.

The bottom surface of the manual return chute 83 starts from the bottom surface of the locking groove 82 and extends spirally around the axis of the first sliding sleeve 8 to the bottom surface of the other end of the sliding groove 81. The height difference between the bottom surface of the sliding groove 81 and the bottom surface of the locking groove 82 gradually rises through the bottom surface of the manual return chute 83 to gradually guide the elastic nail 7 to return to the initial position by approaching the perimeter distance of a helical line under a lead, the resistance of manually rotating the mushroom head button 2 can be reduced, the mushroom head button 2 can return by rotating a circle, and the escalator can be restarted.

As shown in fig. 4, a plurality of emergency stop buttons are distributed at the bottom end of the guard rail of the escalator at intervals, so that a person who is stuck on a step can see the handle 6 in time, and can pull the handle to stabilize the position of the person by subconsciously and start the emergency stop buttons at the same time; meanwhile, the position of the bottom end of the guard rail is too low when the escalator normally runs, so that the emergency stop button is not easy to be found by people taking the escalator, and misoperation caused by the fact that some people pull the emergency stop button due to curiosity is avoided.

As shown in fig. 1, the head end of the mushroom head button 2 is covered in the housing 1 by an openable and closable lid 10 with a lock. The cover 10 is locked and can only be opened by a worker, so that the mushroom head button 2 can be reset by the worker, and the safety is improved. During the use, can brush the outer surface of casing 1 into yellow paint, play the effect of safety warning, mark scram button on mushroom head button 2 surface plays the effect of reminding.

The housing 1 is provided with heat dissipation holes and embedded with a loudspeaker. The heat dissipation holes are convenient for heat dissipation of some electrical components arranged in the emergency stop button; the loudspeaker can play a broadcast to remind the elevator taking people to take the elevator in a correct mode.

Claims

1. An escalator emergency stop button comprises a shell (1) and a mushroom head button (2) arranged in the shell, and is characterized in that the tail end of the mushroom head button (2) is pivotally connected to one end of a lever (3), the middle of the lever (3) is pivotally connected to a support (4), the other end of the lever (3) is pivotally connected to one end of a pull rod (5), and the pull rod (5) penetrates out of the shell (1) and is connected with a handle (6) located on the outer side of the head end of the mushroom head button;

a first sliding sleeve (8) sleeved on the mushroom head button (2) is fixedly arranged on the shell (1), an elastic nail (7) is installed on the mushroom head button (2), a sliding groove (81) for the elastic nail (7) to be inserted and slide is formed in the first sliding sleeve (8), a locking groove (82) for preventing the mushroom head button (2) from rebounding after being pressed down is formed in the end portion of the sliding groove (81), and the locking groove (82) is communicated with the other end of the sliding groove (81) through a manual return chute (83);

the bottom surface of the manual return chute (83) takes the bottom surface of the locking groove (82) as a starting point and spirally extends to the bottom surface of the other end of the chute (81) around the axis of the first sliding sleeve (8).

2. The escalator emergency stop button according to claim 1, wherein a second sliding sleeve (9) is sleeved on the pull rod (5), the second sliding sleeve (9) is fixed on the housing (1), and a limit ring (51) for preventing the pull rod (5) from being pulled out excessively is fixedly connected to the pull rod (5) between the second sliding sleeve (9) and the lever (3).

3. Escalator emergency stop button according to claim 1, characterized in that the end of the lever (3) connected to the pull rod (5) is at a greater distance from the support (4) than the end of the lever (3) connected to the tail end of the mushroom head button (2) is at a greater distance from the support (4).

4. The escalator emergency stop button according to claim 1, characterized in that a mushroom head cap (21) is fixed to the head end of the mushroom head button (2), and an anti-misoperation spring (22) is arranged between the mushroom head cap (21) and the first sliding sleeve (8).

5. The escalator emergency stop button according to claim 1, wherein the elastic nail (7) is radially installed on the mushroom head button (2), one end of the elastic nail (7) is inserted into the sliding groove (81), the other end of the elastic nail is sleeved with a compression spring (71), a stop (72) for preventing the elastic nail (7) from falling off the mushroom head button (2) is arranged in the middle of the elastic nail (7), and the compression spring (71) abuts against the stop (72).

6. Escalator emergency stop button according to claim 1, characterized in that the diameter of the locking groove (82) is equal to the diameter of the elastic spike (7), the depth of the locking groove (82) being at least twice the depth of the slide groove (81).

7. The escalator emergency stop button according to claim 1, wherein a plurality of emergency stop buttons are spaced at the bottom end of the guard rail of the escalator.

8. Escalator scram button according to claim 1, characterized in that the head end of the mushroom head button (2) is covered in the housing (1) by an openable and lockable cover (10).

9. The escalator emergency stop button according to claim 1, wherein the housing (1) is provided with heat dissipation holes and embedded with a loudspeaker.