CN218754339U

CN218754339U - Sanitary device for elevator keys

Info

Publication number: CN218754339U
Application number: CN202222804870.7U
Authority: CN
Inventors: 龚艳兰; 刘伟; 俞捷
Original assignee: Suzhou Market Supervision And Management Emergency Response Center Suzhou Special Equipment Accident Investigation And Handling Center
Current assignee: Suzhou Market Supervision And Management Emergency Response Center Suzhou Special Equipment Accident Investigation And Handling Center
Priority date: 2022-10-25
Filing date: 2022-10-25
Publication date: 2023-03-28
Anticipated expiration: 2032-10-25

Abstract

The utility model provides a sanitary device for elevator keys, which comprises a first fixing frame, a second fixing frame, an unwinding shaft, a winding shaft, a transparent film roll with a roll core cylinder, an induction device, a control box and a motor; the unwinding shaft is positioned on the first fixing frame, and the transparent film roll is sleeved on the unwinding shaft; the winding shaft is positioned on the second fixing frame and is coaxially connected with a rotating shaft of the motor; the starting end of the film on the transparent film roll is connected with a rolling shaft to form rolling; a program control unit, a motor driving unit and a power supply unit are arranged in the control box; the induction device, the program control unit, the motor driving unit and the motor are electrically connected in sequence; the sensing device is oriented in either longitudinal or lateral alignment with the elevator buttons. The utility model discloses a sanitary device for elevator button not only can satisfy elevator button and use sanitary demand and when dismouting to the elevator operation nothing influence, simple structure, low cost simultaneously.

Description

Sanitary device for elevator keys

Technical Field

The utility model relates to an elevator technical field especially relates to an elevator is sanitary device for button.

Background

People in life need to select floors by pressing elevator keys when using a public vertical elevator, so that the keys frequently and directly contact hands of different people every day, and once people press fingers of the keys to carry bacteria or viruses, cross infection is easily caused. Along with the reinforcing of people's medical protection consciousness, also will improve gradually to the requirement of the use health of elevator button, although also should transport some non-contact button devices for elevator have appeared, the structure complicacy all need reform transform the control unit of current elevator, reform transform with great costs and the dismouting inconvenient, can influence elevator conventional use, can not be applied to emergency scenes such as epidemic situation outburst in time.

Disclosure of Invention

In view of the above, an object of the present invention is to provide a sanitary device for elevator keys, which can not only satisfy the need of using sanitary elevator keys and the assembly and disassembly without affecting the operation of the elevator, but also has simple structure and low cost.

The utility model provides a technical scheme that its technical problem adopted is: the device comprises a first fixing frame, a second fixing frame, an unwinding shaft, a winding shaft, a transparent film roll with a roll core cylinder, an induction device, a control box and a motor; the unreeling shaft is arranged on the first fixing frame; the transparent film roll is sleeved on the unreeling shaft and can rotate relative to the unreeling shaft; the winding shaft is arranged on the second fixing frame and can rotate around the axis of the winding shaft; the winding shaft is coaxially connected with a rotating shaft of the motor; a program control unit, a motor driving unit and a power supply unit are arranged in the control box; the induction device, the program control unit, the motor driving unit and the motor are electrically connected in sequence.

Preferably, the first fixing frame and the second fixing frame are arranged on two sides of the elevator key, and the film can cover all keys.

Preferably, the sensing device is oriented in either a longitudinal or transverse direction relative to the elevator keys. By adopting the structure, the induction can be triggered only by the conventional keys without other additional actions, the use is more convenient, meanwhile, one induction device can monitor the area of a column or a row, and each key is not required to be matched with one induction device, so that the cost is greatly saved.

Preferably, the outer peripheral wall of the unwinding shaft is provided with a protrusion, the highest point of which is in contact with the inner peripheral surface of the winding drum of the transparent film roll, for increasing the rotational friction coefficient between the outer peripheral wall surface of the unwinding shaft and the inner peripheral wall surface of the transparent film roll, so that the film can maintain a certain tension when the motor is stopped.

Preferably, the control box is positioned on the second fixing frame so as to be convenient to install; further, the sensing device is positioned in the control box; the control box is provided with an opening matched with the sensing device, the orientation of the opening is aligned with the longitudinal direction or the transverse direction of the elevator key, a sensing line sent by the sensing device penetrates out of the opening, and sensing occurs when the key is pressed, so that the device is accurate in positioning and neat and attractive; still further, the induction device and the opening hole can be single or multiple, and the induction device and the opening hole correspond to the number of rows or columns of the elevator keys so as to meet the condition that the elevator keys are in multiple rows and multiple columns.

In the utility model, the starting end of the transparent film roll is connected with the rolling shaft, so that the film can be rolled by the rolling shaft, and when the rolling shaft rotates under the driving of the motor, the film on the transparent film roll can be rolled to the rolling shaft; when the empty wound film needs to be cleaned, the film can be directly scratched and peeled by a knife; preferably, the winding shaft is provided with a hollow sleeve which cannot rotate relative to the winding shaft, and the starting end of the transparent film on the transparent film roll is connected with the hollow sleeve; further, the cross section of the inner peripheral wall of the hollow sleeve is a polygon, the cross section of the outer peripheral wall of the middle of the winding shaft is a polygon matched with the winding shaft, and as common knowledge, the middle of the winding shaft is a part in contact with the hollow sleeve.

Preferably, the sanitary device for the elevator key further comprises a dust cover; the surface of the dust cover is provided with an opening, the surface of the dust cover is the side facing a passenger, and particularly, the shape and the size of the opening on the dust cover are matched with those of an elevator key to leak out of the key; one end of the dust cover is hinged to the first fixing frame, and the other end of the dust cover is a free end and can be clamped outside the second fixing frame. By adopting the structure, the transparent film can be effectively prevented from being polluted by dust and bacteria in the car, the attractive effect can be achieved, and particularly the positioning effect is achieved during installation.

The beneficial effects of the utility model reside in that: firstly, after the elevator key sanitary device is used, as long as a person presses the key to trigger induction, the program control unit controls the driving unit to drive the motor to operate after receiving a signal collected by the induction device, so as to drive the winding shaft to rotate, and a transparent film originally shielding the key can be wound on the winding shaft and cannot be touched by a next user, so that the elevator key sanitary requirement is met; secondly, the sanitary device for the elevator key is disassembled and assembled without modifying the control part of the existing elevator, and the sanitary device for the elevator key is directly installed on the two sides of the elevator key or is disassembled, so that the normal use of the existing elevator is not influenced in the disassembling and assembling process; therefore, the sanitary device for the elevator keys can effectively deal with emergency scenes such as epidemic outburst and the like in time, can meet the requirement of health safety consciousness, and is simple in structure and low in cost.

Drawings

FIG. 1 is a schematic front view of a first embodiment of the sanitary device for the elevator key;

FIG. 2 is a schematic structural view of a first embodiment of the sanitary device for the elevator key;

FIG. 3 is a radial cross-sectional view of the unwinding roll and the transparent film roll contact segment;

FIG. 4 is a schematic view of the construction of the take-up reel;

FIG. 5 is a radial cross-sectional view of a contact section of the winding shaft and the hollow sleeve;

FIG. 6 is a system configuration diagram in a control box of the embodiment of the sanitary apparatus for elevator key set;

FIG. 7 is a schematic side view of a first embodiment of the sanitary device for the elevator key;

FIG. 8 is a schematic view of a dust cover in the second embodiment of the sanitary fixture for elevator keys;

wherein: 1. a first fixing frame; 2. a second fixing frame; 3. unwinding the reel; 4. a winding shaft; 5. a roll of transparent film; 6. an induction device; 7. a motor; 8. a control box; 9. a dust cover; 10. a key of the elevator; 11. a first mount plane plate; 12. A first mount left lug; 13. a first mount right lug; 21. a second mount plane plate; 22. a second mount left lug; 23. a second mount right lug; 31. a reel releasing shaft fixing structure; 32. a protrusion; 41. a hollow sleeve; 42. winding the middle section of the shaft; 51. a transparent film; 52. a starting end of the film; 81. A program control unit; 82. a motor drive unit; 83. a power supply unit; 84. opening a hole; 91. a dust cover opening; 211. the second fixing frame is provided with an opening on the plane plate.

Detailed Description

The technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings and embodiments. The utility model discloses an all parts are current products, and concrete connection, application method are prior art, and the position relation of part is the concrete position relation when actual application.

Example one

Fig. 1 and 2 show the sanitary device for the elevator key, which comprises a first fixing frame 1, a second fixing frame 2, an unreeling shaft 3, a reeling shaft 4, a transparent film roll 5 with a reeling barrel, an induction device 6, a motor 7 and a control box 8;

the first fixing frame 1 comprises a plane plate, and a left lug 12 and a right lug 13 which extend downwards from two sides of the plane plate and are opposite to each other, and connecting holes are respectively formed in the left lug and the right lug;

the second fixing frame 2 comprises a plane plate 21 with an opening 211, and a left lug 22 and a right lug 23 which are opposite to each other and extend downwards from two sides of the plane plate 21; the left lug is provided with a connecting hole, and the right lug is provided with a U-shaped opening;

the first fixing frame 1 and the second fixing frame 2 are oppositely adhered to the upper side and the lower side of the elevator key 10 to shield all keys, and of course, the two sides can be opposite to each other; because the sanitary device for the elevator key has a simple structure and is not heavy in parts, the sanitary device can be stably installed on two sides of the elevator key 10 by a common adhesive sticker bonding mode or a sucking disc adsorption mode, and compared with a threaded connection mode, the sanitary device is convenient to disassemble and assemble and cannot bring destructive change to an elevator.

The unreeling shaft 3 passes through the connecting holes on the left lug and the right lug of the first fixing frame 1 and is erected on the first fixing frame 1, and the two ends of the unreeling shaft are matched with detachable fixing structures 31 so as to prevent the unreeling shaft from falling off when the device is used; the transparent film that the cover was equipped with a roll core section of thick bamboo on unreeling the axle is rolled up, refer to fig. 3, leaves the clearance between the roll core section of thick bamboo that unreels axle 3 and transparent film and roll up, is equipped with arch 32 on unreeling the axle's the periphery wall, bellied peak and the interior peripheral surface of roll core section of thick bamboo that transparent film rolled up contacts, is used for increasing unreeling the axle the periphery wall with the rotation friction coefficient between on the interior peripheral surface of transparent film book for when the motor stopped, the film can keep tension, forms the state of tightening.

The motor 7 is fixed on the left lug of the second fixing frame, and a rotating shaft of the motor is connected with a flat key of the winding shaft conventionally, so that the motor can drive the winding shaft to rotate; the winding shaft passes through a connecting hole on the left lug of the second fixing frame and the U-shaped opening of the right lug and is erected on the second fixing frame.

In order to avoid the damage of the winding shaft, a hollow sleeve 41 is sleeved on the winding shaft, the starting end 52 of the transparent film winding film 51 passes through the opening 211 on the second fixing frame and is adhered to the outer peripheral surface of the hollow sleeve by double-sided adhesive, and when the winding shaft is driven by a motor to rotate, the film on the transparent film winding film is wound on the hollow sleeve of the winding shaft; referring to fig. 4 and 5, in order to prevent circumferential movement with the winding shaft and facilitate disassembly, the cross section of the inner circumferential wall of the hollow sleeve 41 is quadrilateral, and the cross section of the outer circumferential wall of the middle part 42 of the winding shaft is quadrilateral matching with the cross section; when the hollow sleeve 41 needs to be dismounted from the winding shaft, the winding shaft 4 is only required to be drawn out from the second fixing frame 2, and the hollow sleeve is pulled out, so that a new hollow sleeve can be replaced.

The control box 8 is located on the plane plate 21 of the second fixing frame 2, and referring to fig. 6 and 2, a program control unit 81, a motor driving unit 82 and a power supply unit 83 are arranged in the control box; the sensing device 6 for sensing the action of the passengers is an existing infrared sensor and is positioned in the control box, the upper surface of the control box is provided with an opening 84 matched with the position, size and number of the sensing device, the orientation of the opening is aligned with the row of the keys of the elevator, the sensing device is single, and the sensing device can be multiple during actual use and corresponds to the row number of the keys of the elevator.

The program control unit, the motor driving unit and the power supply unit are all existing products, and the program control unit 81 can be any existing control chip, such as an STM32 chip, which is preloaded with an existing conventional program for receiving infrared sensing signals and controlling the operation of a motor; the motor driving unit 82 is an existing product, such as an L298 driving chip; the motor driving unit 82 is connected to the motor 7, and a method of controlling the operation of the motor 7 using the same is also known in the art; the power supply unit 83 may be a storage battery or a general dry battery case; the induction device, the program control unit and the motor driving unit are electrically connected in sequence; the induction device, the program control unit and the motor driving unit are respectively electrically connected with the power supply unit, the connection method among the induction device, the program control unit and the motor driving unit is the conventional connection method, the signal transmission mode among the induction device, the program control unit and the motor driving unit is the conventional technology, if the program control unit receives a detected finger signal fed back by the induction device, the finger signal is processed according to a conventional program and outputs a corresponding signal to the motor driving unit, and then the operation and the stop of the motor are controlled, such as the rotating speed, the direction, the number of turns or the time, and therefore the film of the whole elevator key length on the transparent film roll is rolled to the rolling shaft.

Referring to fig. 7, when the elevator key sanitary device is used, the sensing device senses the action of the passenger key, the infrared sensing device sends a feedback signal to the program control unit as long as a person presses the key, the program control unit processes the feedback signal according to a preset conventional program and controls the motor driving unit to drive the motor to run and stop, so that the transparent film covering the key can be timely wound onto the winding shaft and cannot be touched by the next user, and the requirement of people on the use sanitation of the elevator key is met; because the realization of the key using sanitary function of the elevator key does not have coupling property with the realization of other functions of the elevator, the elevator key using sanitary device is disassembled and assembled without modifying other parts of the existing elevator, particularly control parts, and the elevator key using sanitary device is directly installed at the two sides of the elevator key or disassembled, and the normal use of the existing elevator is not influenced in the disassembling and assembling process; therefore, the elevator is sanitary device for button's safe in utilization is reliable, can in time deal with emergency scenes such as epidemic situation outburst effectively, also can satisfy the health safety consciousness demand of a small amount of crowds in the epidemic situation stage, still simple structure, low cost simultaneously.

Example two

On the basis of the first embodiment, the sanitation device for the elevator key can also comprise a dust cover 9 which is just large enough to cover all other parts, and the sanitation device is shown in figure 8; the dust cover 9 is provided with an opening 91, and the shape and the size of the opening are matched with those of an elevator key; the inner side surface of the upper end of the dust cover 9 is conventionally hinged on the first fixing frame 1, and the lower end can be a free end and can be buckled on the second fixing frame. Adopt this kind of structure, can conveniently open the dust cover, roll up or hollow sleeve changes transparent film, and dust cover 9 covers the inside structural component of this device is whole, when can effectively avoid transparent film to roll up by dust, the bacterial contamination in the car, plays the guard action to the part, makes this device neatly more pleasing to the eye in addition.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. The utility model provides an elevator is sanitary device for button which characterized in that: the device comprises a first fixing frame, a second fixing frame, an unwinding shaft, a winding shaft, a transparent film roll with a roll core cylinder, an induction device, a control box and a motor; the unreeling shaft is arranged on the first fixing frame; the transparent film roll is sleeved on the unreeling shaft; the winding shaft is arranged on the second fixing frame; the winding shaft is coaxially connected with a rotating shaft of the motor; a program control unit, a motor driving unit and a power supply unit are arranged in the control box; the induction device, the program control unit, the motor driving unit and the motor are electrically connected in sequence.

2. The sanitary device for elevator keys as claimed in claim 1, wherein: the first fixing frame and the second fixing frame are respectively arranged on two sides of the elevator key.

3. The sanitary device for elevator keys as claimed in claim 1, wherein: the sensing device is oriented in longitudinal or transverse alignment with the elevator buttons.

4. The sanitary device for elevator keys as claimed in claim 1, wherein: the periphery wall of the unreeling shaft is provided with a bulge.

5. The sanitary device for elevator keys as claimed in claim 1, wherein: the control box is positioned on the second fixing frame.

6. The sanitary device for elevator keys as claimed in claim 5, wherein: the induction device is positioned in the control box; the control box is provided with an opening matched with the sensing device; the orientation of the opening is aligned with the longitudinal or transverse direction of the elevator key.

7. The sanitary device for elevator keys as claimed in claim 6, wherein: the number of the induction devices is one or more.

8. The sanitary device for elevator keys as claimed in claim 1, wherein: a hollow sleeve is arranged on the winding shaft; the film starting end on the transparent film roll is connected with the hollow sleeve.

9. The sanitary device for an elevator button according to claim 8, characterized in that: the cross section of the inner peripheral wall of the hollow sleeve is polygonal; the cross section of the outer peripheral wall of the middle part of the winding shaft is polygonal.

10. The sanitary device for an elevator button according to claim 1, characterized in that: the sanitary device for the elevator key further comprises a dust cover; the surface of the dust cover is provided with an opening; one end of the dust cover is hinged to the first fixing frame.