CN110733948B

CN110733948B - Multifunctional control panel assembly in elevator

Info

Publication number: CN110733948B
Application number: CN201910997845.5A
Authority: CN
Inventors: 贾中楠; 李思源; 刘富海; 崔富义; 翁海明; 王梓浩
Original assignee: Hangzhou Vocational and Technical College
Current assignee: Hangzhou Vocational and Technical College
Priority date: 2019-10-21
Filing date: 2019-10-21
Publication date: 2022-02-11
Anticipated expiration: 2039-10-21
Also published as: CN110733948A

Abstract

The invention discloses a multifunctional control panel assembly in an elevator, which comprises a first functional body, a second functional body and a base plate, wherein the first functional body is connected with the second functional body through a first connecting rod; the base plate is arranged on the side wall of the elevator; the first functional body is fixedly arranged on the surface of the substrate; the surface of one side of the second functional body, which is back to the substrate, is provided with a plurality of key bodies; the second functional body is correspondingly arranged below the first functional body and reciprocates along the vertical direction, so that the device is suitable for different operation heights; a flat cable storage unit is arranged between the first functional body and the second functional body and has the function of storing and releasing a flat cable according to the position of the second functional body, so that a circuit kink is prevented from being exposed and damaged; the first functional body is provided with a shorthand unit which can enable passengers to write and record information quickly; the second functional body comprises a pressing layer and a triggering layer, and the structure and the position of the key part are arranged and optimized, so that the operation efficiency of the panel assembly is improved, the service life of the panel assembly is prolonged, and the damage probability of the panel assembly is reduced.

Description

Multifunctional control panel assembly in elevator

Technical Field

The invention relates to the field of elevator equipment, in particular to a multifunctional control panel assembly in an elevator.

Background

The height of a single elevator key area is difficult to simultaneously consider the stature of normal adults and children or wheelchair facilities, the lower position key area is independently arranged at the lower position, the equipment cost and the maintenance difficulty are improved, and the wrong response is easily caused by mistaken touch or stubborn skin of children, so that the operation efficiency of the elevator is reduced. In addition, in an application area such as a service area of a government office or a hospital, passengers who enter and exit an elevator often need to memorize and record information while making and receiving calls. Therefore, it is necessary to invent a multifunctional control panel assembly in an elevator, which has good compatibility with different users and is convenient for information shorthand.

Disclosure of Invention

The purpose of the invention is as follows: in order to overcome the defects in the prior art, the invention provides the multifunctional control panel assembly in the elevator, which has good compatibility with different people and is convenient for information shorthand.

The technical scheme is as follows: in order to achieve the aim, the invention provides an elevator multifunctional control panel assembly, which comprises a first functional body, a second functional body and a base plate, wherein the first functional body is connected with the base plate; the base plate is arranged on the side wall of the elevator; the first functional body is fixedly arranged on the surface of the substrate; the surface of one side of the second functional body, which is back to the substrate, is provided with a plurality of key bodies; the second functional body is correspondingly arranged below the first functional body and reciprocates along the vertical direction; a flat cable storage unit is arranged between the first functional body and the second functional body; the flat cable storage unit comprises a shell; the shell is covered on the substrate; the top of the shell is communicated with a wire inlet; the bottom of the shell is communicated with a wire outlet; the first functional body and the second functional body are electrically connected and provided with a flat cable; one end of the flat cable, which is far away from the first functional body, enters the shell from the wire inlet and leaves the shell from the wire outlet; a first block body and a second block body are arranged inside the shell; the first block is fixedly attached to the substrate; an electric telescopic rod is horizontally connected between the first block body and the second block body; a first winding rod is connected to one side, facing the shell, of the first block; the first winding rods are distributed at intervals in the vertical direction; one side of the second block body facing the shell is provided with a second winding rod in a connecting mode; the plurality of second winding rods are distributed at intervals in the vertical direction; the flat cable in the shell is arranged between the first winding rod and the second winding rod in a staggered winding manner; the electric telescopic rod moves in a telescopic mode to drive the distance between the first winding rod and the second winding rod to change.

Further, a protective cover is connected between the first functional body and the second functional body; the surface of the protective cover is distributed with corrugated folds which stretch along the vertical direction; a slide rail is arranged on the surface of the substrate along the vertical direction; a motor is arranged in the second functional body; the power output end of the motor is connected with a power wheel; the power wheel is correspondingly attached to the sliding rail.

Furthermore, a shorthand unit is embedded at one side of the first functional body, which is back to the substrate; the shorthand unit comprises a groove body; a limiter is arranged at the edge of the groove body; the limiting stopper comprises a return force wire barrel and an elastic wire; the plurality of the return force line cylinders are symmetrically distributed around the center of the groove body; the elastic wires are matched with the return force wire barrels in a one-to-one corresponding mode; a writing block is arranged in the groove body; one end of the elastic thread is wound on the return thread cylinder, and the other end of the elastic thread is connected with the writing block; a paper piece is laid in the groove body; a pen refill is arranged on one side of the writing block facing the paper piece; one side of the writing block, which is back to the paper piece, is provided with a caulking groove; the caulking groove is in nested fit with the finger tip.

Further, a paper bin is communicated with the bottom of the groove body; a limiting roller set is arranged at the communication position of the paper bin and the groove body; one side of the groove body far away from the limiting roller set in the horizontal direction is communicated with a paper outlet; the paper pieces are stacked and stored in the paper bin, and the upper ends of the paper pieces sequentially penetrate through the limiting roller set and the groove body and then penetrate out of the paper outlet; the bottom of the paper outlet is provided with a convex plate; a plurality of prefabricated tearing seams are arranged on the paper piece at intervals along the length direction of the paper piece; a rotating shaft of the limiting roller set is provided with a twisting head in an extending manner; the screw head is located outside the first functional body.

Furthermore, the side surface of the writing block is a cylindrical surface; a clamping groove is formed in the side wall of the groove body; the clamping groove is correspondingly matched with the side face of the writing block; a magnetic block is arranged in the writing block; a magnetic sheet is attached to the inner side of the clamping groove; the magnetic block and the magnetic sheet are mutually attracted.

Furthermore, a cylinder body is arranged in the writing block; one end of the barrel, facing the pen core, is opened, and an elastic piece is embedded inside the barrel; the tail of the pen core is embedded into the barrel and connected with the corresponding end of the elastic piece; and an elastic pad is correspondingly arranged on one side of the elastic piece, which is back to the pen core.

Further, the second functional body comprises a pressing layer and a triggering layer; the key body is arranged on one side of the trigger layer facing the pressing layer; the pressing layer comprises a connecting body and a pressure equalizing pad; the pressure equalizing pad is attached to the key body; the connector is made of soft materials and is connected and arranged among the pressure equalizing pads; a plurality of buffer groups are symmetrically arranged around each key body; the buffer group is connected and arranged on the surface of the trigger layer; the buffer group comprises a first spring and a second spring; the first spring is sleeved outside the second spring; the length of the first spring is smaller than that of the second spring; the elastic coefficient of the first spring is larger than that of the second spring.

Furthermore, the key body comprises a first floor key, a second floor key and a function key; the first floor key comprises number keys of 1-9; the second floor key is a key of '0'; the second floor keys are arranged on two sides of an area formed by the first floor keys in pairs.

Furthermore, the second floor key corresponds to the center of the plate surface of the pressure equalizing pad; the pressure equalizing pad corresponding to the second floor key is of a long strip plate structure, and auxiliary keys are correspondingly arranged at two ends of the long strip plate surface along the length direction; the auxiliary key is of a telescopic sleeve structure; a balance rod piece is connected between the second floor key and the auxiliary key; the balance rod pieces are parallelly attached and connected to the second floor keys.

Has the advantages that: the invention relates to a multifunctional control panel assembly in an elevator, which comprises a first functional body, a second functional body and a base plate, wherein the first functional body is connected with the second functional body through a first connecting rod; the base plate is arranged on the side wall of the elevator; the first functional body is fixedly arranged on the surface of the substrate; the surface of one side of the second functional body, which is back to the substrate, is provided with a plurality of key bodies; the second functional body is correspondingly arranged below the first functional body and reciprocates along the vertical direction, so that the device is suitable for different operation heights; a flat cable storage unit is arranged between the first functional body and the second functional body and has the function of storing and releasing a flat cable according to the position of the second functional body, so that a circuit kink is prevented from being exposed and damaged; the first functional body is provided with a shorthand unit which can enable passengers to write and record information quickly; the second functional body is including pressing the layer and triggering the layer, through arranging the optimization to the structure and the position of button part, promotes panel components operation operating efficiency and use comfort, prolongs panel components's life, reduces its damage probability.

Drawings

FIG. 1 is a schematic view of the overall structure of a panel assembly;

FIG. 2 is a partial detail view of the panel assembly;

FIG. 3 is a schematic view of the internal structure of the flat cable storage unit;

FIG. 4 is a schematic view of the working principle of the flat cable storage unit;

FIG. 5 is a schematic diagram of the keypad layout of the key body;

FIG. 6 is a schematic diagram of the power wheel and the slide rail;

FIG. 7 is a schematic diagram of the overall structure of a writing block;

FIG. 8 is a schematic view of the caulking groove position;

FIG. 9 is a schematic view of the paper delivery principle of the paper bin;

fig. 10 is a schematic view of the installation of the auxiliary key and the balance bar.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.

In addition, the embodiments of the present invention and the features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. The terms "first" and "second" herein do not denote any particular order, but rather denote the order of magnitude, so that the terms are used to distinguish one element from another.

In addition, all directions or positional relationships mentioned in the embodiments of the present invention are positional relationships based on the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not imply or imply that the referred device or element must have a specific orientation, and are not to be construed as limiting the present invention.

The embodiment of the invention provides a multifunctional control panel assembly in an elevator, which is shown in the attached

drawings

1 and 2 and comprises a first functional body 1, a second functional body 2 and a base plate 4; the base plate 4 is arranged on the side wall of the elevator; the first functional body 1 is fixedly arranged on the surface of the substrate 4; the surface of one side of the second functional body 2, which is back to the substrate 4, is provided with a plurality of key bodies 10; the second functional body 2 is correspondingly arranged below the first functional body 1 and reciprocates along the vertical direction, and can adapt to groups such as adults at different operating heights, passengers or children in a sitting posture state and the like by adjusting the height position of the second functional body 2; a flat cable accommodating unit 3 is arranged between the first functional body 1 and the second functional body 2; the internal circuit board structures of the panel component and the like are similar to the existing products on the market, the split type structures of the two parts can be purchased by upstream circuit board production and supply enterprises, the circuit board structures of the two parts respectively correspond to the first functional body 1 and the second functional body 2, and the communication and the power supply between the two parts are realized by arranging wire connection; the flat cable storage unit 3 has the function of storing and releasing the flat cable according to the position of the second functional body 2, so that the circuit kink is prevented from being exposed and damaged;

As shown in fig. 3 and 4, the flat cable housing unit 3 includes a housing 31; the shell 31 is covered on the substrate 4; the top of the shell 31 is provided with a wire inlet 301 in a communicating manner; an outlet 302 is communicated with the bottom of the shell 31; the flat cable 41 is electrically connected between the first functional body 1 and the second functional body 2; the chamfering treatment of the edges of the wire inlet 301 and the wire outlet 302 can reduce the abrasion caused by the contact of the flat cables; one end of the flat cable 41 away from the first functional body 1 enters the shell 31 from the wire inlet 301 and leaves the shell 31 from the wire outlet 302; a first block 303 and a second block 304 are arranged inside the shell 31; the first block 303 is fixedly attached to the substrate 4; an electric telescopic rod 305 is horizontally connected between the first block 303 and the second block 304; a first winding rod 306 is connected to one side of the first block 303 facing the shell 31; a plurality of the first winding rods 306 are distributed at intervals along the vertical direction; a second winding rod 307 is connected to one side of the second block 304 facing the shell 31; a plurality of the second winding rods 307 are distributed at intervals along the vertical direction; the first winding rod 306 and the second winding rod 307 can rotate to adapt to the movement of the flat cable; the flat cable 41 in the shell 31 is wound between the first winding rod 306 and the second winding rod 307 in a staggered manner; the electric telescopic rod 305 moves telescopically to drive the distance between the first winding rod 306 and the second winding rod 307 to change; as shown in fig. 4 (a), the electric telescopic rod 305 is in a contracted state, so that more cable length can be released, and the second functional body 2 slides downwards away from the first functional body 1; when the second functional body 2 moves upward to return to the initial position, the electric telescopic rod 305 extends as shown in part (b) of the figure, so as to receive the flat cable outside the housing 31 again, and thus the flat cable release length can be adapted to the position of the second functional body 2.

As shown in fig. 2, a protective cover 42 is connected between the first functional body 1 and the second functional body 2; the surface of the protective cover 42 is provided with corrugated folds which stretch along the vertical direction, so that the flat cable and the slide rail 43 between the shell 31 and the first functional body and the second functional body can be effectively protected, and the sliding or dust accumulation caused by the interference of foreign matters is avoided; a slide rail 43 is arranged on the surface of the substrate 4 along the vertical direction; as shown in fig. 6, a motor 11 is arranged in the second functional body 2; the power output end of the motor 11 is connected with a power wheel 12; the power wheel 12 is correspondingly attached to the sliding rail 43; the motor 11 drives the power wheel 12 to move relative to the slide rail 43, so that the second functional body 2 is lifted; the motor 11 and the electric telescopic rod 305 work synchronously to realize synchronous lifting and winding and unwinding of the second functional body 2; and the lower end of the side of the second functional body 2 is provided with a touch sensor 209 for controlling connection with the power supply line of the motor 11 and the electric telescopic rod 305, and related sensor elements can be directly obtained from market purchase.

As shown in fig. 2, a shorthand unit 5 is embedded in a side of the first functional body 1 opposite to the substrate 4; the shorthand unit 5 includes a tank 51; a stopper 52 is arranged at the edge of the groove body 51; the stopper 52 comprises a return wire barrel 521 and an elastic wire 522; the plurality of the return force line barrels 521 are distributed in central symmetry with respect to the groove body 51; the elastic wires 522 are correspondingly matched with the return force wire barrels 521 one by one; a writing block 53 is arranged in the groove body 51; one end of the elastic thread 522 is wound on the return thread bobbin 521, and the other end is connected with the writing block 53; a paper piece 54 is laid in the groove body 51; a pen core 531 is arranged on one side of the writing block 53 facing the paper 54; a caulking groove 532 is arranged on one side of the writing block 53, which is back to the paper piece 54; the caulking groove 532 is in nested fit with the tip of a finger; when a passenger needs to write, a finger is put into the caulking groove 532, the writing block 53 moves synchronously along with the movement of the finger, the elastic thread 522 can keep the distance between the writing block 53 and the paper 54, and the writing block 53 is pressed to enable the refill 531 to be in contact with the paper 54 for writing; an exploded view of the structure of the bit writing block 53 shown in fig. 7 and 8.

As shown in fig. 2 and fig. 9, a paper bin 55 is arranged at the bottom of the groove body 51 in a communicating manner; a limiting roller set 56 is arranged at the communication part of the paper bin 55 and the groove body 51; a paper outlet 57 is communicated with one side of the groove body 51 far away from the limiting roller group 56 along the horizontal direction; the paper 54 is stacked and stored in the paper bin 55, and the upper end of the paper passes through the limiting roller set 56 and the groove body 51 in sequence and then penetrates out of the paper outlet 57; the bottom of the paper outlet 57 is provided with a convex plate 58; a plurality of prefabricated tear seams 59 are arranged on the paper piece 54 at intervals along the length direction of the paper piece; a rotating shaft of the limiting roller set 56 extends to form a twisting head 561; the screw head 561 is positioned outside the first functional body 1; when the writing is completed, the passenger only needs to stretch the portion of the paper 54 extending beyond the protruding plate 58 to pull, and then the area near the preformed tear seam 59 of another blank piece of paper contacts the protruding plate 58, and then the written portion can be torn off from the preformed tear seam 59; when the torn part is too large or the area of the part of the paper 54 at the bottom of the grass body 51 is insufficient, the screw head 561 can be manually twisted to roll the paper 54 in the paper bin 55; the paper portions in the magazine 55 are stacked in a continuous S-shape to release their stored length with the withdrawal action.

As shown in fig. 2, 7 and 8, the side surface of the writing block 53 is a cylindrical surface; a clamping groove 501 is formed in the side wall of the groove body 51; the clamping groove 501 is correspondingly matched with the side surface of the writing block 53; a magnetic block 536 is provided in the writing block 53; a magnetic sheet 537 is attached to the inner side of the clamping groove 501; the magnetic block 536 attracts the magnetic plate 537, so that the writing block 53 can be quickly positioned when not in use;

a cylinder 533 is also arranged in the writing block 53; one end of the cylinder 533, facing the refill 531, is open, and an elastic piece is embedded inside; the tail of the pen core 531 is embedded in the cylinder 533 and is connected with the corresponding end of the elastic piece; an elastic pad 535 is correspondingly arranged on one side of the elastic piece, which is back to the pen core 531; the elastic member 534 is used as a buffer to enable writing to have elasticity, so that the touch feeling of a real pen is more similar; the elastic pad 535 can provide a certain secondary buffer after the pen core 531 is pressed down with a large force, so as to absorb part of the impact force and reduce the damage probability of the pen core 531.

The second functional body 2 comprises a pressing layer 21 and a triggering layer; the key body 10 is arranged on one side of the trigger layer facing the pressing layer 21; as shown in fig. 1, the pressing layer 21 includes a connecting body 211 and a pressure equalizing pad 212; the pressure equalizing pad 212 is attached to the key body 10; the connecting body 211 is made of a soft material and is connected and arranged among the pressure equalizing pads 212; a plurality of buffer groups 23 are symmetrically arranged around each key body 10; as shown in fig. 10, the buffer group 23 is connected and arranged on the surface of the trigger layer; the damping group 23 comprises a first spring 231 and a second spring 232; the first spring 231 is sleeved outside the second spring 232; the first spring 231 is shorter than the second spring 232; the elastic coefficient of the first spring 231 is greater than that of the second spring 232; the second spring 232 has small triggering contraction force and long stroke, so that the feedback of a passenger when pressing can be enhanced, and the doubtful about whether the pressing is successful or not caused by a short key stroke is avoided, thereby improving the operation efficiency and the use comfort level of the panel component; the first spring 231 is used for reminding a user of the bottom of the pressure equalizing pad 212 and the key body 10 by the significantly enhanced resistance, and also can significantly reduce the impact force applied to the key body 10, prolong the service life of the panel assembly and reduce the damage probability.

As shown in fig. 5, the key body 10 includes a first floor key 101, a second floor key 102 and a function key 103; the first floor key 101 includes numeric keys of "1-9", and also includes keys indicating the position of a target floor, such as "-" indicating a negative floor and special letters; the second floor key 102 is a "0" key; the second floor keys 102 are arranged on two sides of an area formed by the first floor keys 101 in pairs; because the floors of the existing building are generally higher, if each floor is independently represented, case areas of the panels are too complicated, and the identification difficulty is increased; therefore, the number part adopts a manual spelling mode, for example, when inputting the 12 th floor, the keys of '1' and '2' are pressed in sequence; the positions of 1-9 are arranged according to 3 multiplied by 3 to accord with the use habits of most people, and the '0' keys are positioned at two sides of the 1-9 area and are more convenient for the fingers to reach compared with the conventional keys positioned at the bottom of the 1-9 area, and the '0' at two sides can be pressed nearby by using the thumb or little finger while inputting 1-9 by using the common finger; the other keys needed to represent the floor are distributed around the area.

As shown in fig. 10, the second floor key 102 corresponds to the center of the board surface of the pressure equalizing pad 212; the pressure equalizing pad 212 corresponding to the second floor key 102 is in a strip plate structure, and the two ends of the strip plate surface along the length direction are correspondingly provided with auxiliary keys 104; the auxiliary key 104 is of a telescopic sleeve structure; a balance rod 105 is connected between the second floor key 102 and the auxiliary key 104; the balance rod pieces 105 are arranged on the second floor key 102 in a parallel attaching connection mode; by utilizing the structure of the auxiliary key 104 and the balance rod piece 105, when a passenger presses any position of the strip-shaped key, the pressing force can be uniformly dispersed, so that the phenomenon that the part is collapsed and blocked or the shaft body of the key body 10 is subjected to transverse torsion is avoided, and the damage probability of the key body is reduced.

The above description is only of the preferred embodiments of the present invention, and it should be noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the invention and these are intended to be within the scope of the invention.

Claims

1. A multifunctional control panel assembly in an elevator is characterized in that: comprises a first functional body (1), a second functional body (2) and a substrate (4); the base plate (4) is arranged on the side wall of the elevator; the first functional body (1) is fixedly arranged on the surface of the substrate (4); a plurality of key bodies (10) are arranged on the surface of one side of the second functional body (2) back to the substrate (4); the second functional body (2) is correspondingly arranged below the first functional body (1) and reciprocates along the vertical direction; a flat cable storage unit (3) is arranged between the first functional body (1) and the second functional body (2); the flat cable storage unit (3) comprises a shell (31); the shell (31) is covered on the substrate (4); the top of the shell (31) is provided with a wire inlet (301) in a communicating way; an outlet (302) is communicated with the bottom of the shell (31); the flat cable (41) is electrically connected between the first functional body (1) and the second functional body (2); one end of the flat cable (41) far away from the first functional body (1) enters the shell (31) from the wire inlet (301) and leaves the shell (31) from the wire outlet (302); a first block body (303) and a second block body (304) are arranged inside the shell (31); the first block body (303) is fixedly attached to the substrate (4); an electric telescopic rod (305) is horizontally connected between the first block body (303) and the second block body (304); a first winding rod (306) is connected to one side, facing the shell (31), of the first block body (303); a plurality of first winding rods (306) are distributed at intervals along the vertical direction; a second winding rod (307) is connected to one side, facing the shell (31), of the second block body (304); a plurality of second winding rods (307) are distributed at intervals along the vertical direction; the flat cable (41) in the shell (31) is wound between the first winding rod (306) and the second winding rod (307) in a staggered manner; the electric telescopic rod (305) performs telescopic motion to drive the distance between the first winding rod (306) and the second winding rod (307) to change;

A shorthand unit (5) is embedded in one side of the first functional body (1) back to the substrate (4); the shorthand unit (5) comprises a groove body (51); a limiter (52) is arranged at the edge of the groove body (51); the stopper (52) comprises a return force wire barrel (521) and an elastic wire (522); the plurality of the return force line barrels (521) are distributed in a central symmetry way around the groove body (51); the elastic wires (522) are matched with the return force wire barrels (521) in a one-to-one corresponding manner; a writing block (53) is arranged in the groove body (51); one end of the elastic thread (522) is wound on the return thread cylinder (521), and the other end of the elastic thread is connected with the writing block (53); a paper piece (54) is laid in the groove body (51); a pen core (531) is arranged on one side, facing the paper piece (54), of the writing block (53); one side of the writing block (53) back to the paper piece (54) is provided with a caulking groove (532); the caulking groove (532) is in nested fit with the finger tip.

2. The in-elevator multifunction control panel assembly according to claim 1, wherein: a protective cover (42) is connected between the first functional body (1) and the second functional body (2); the surface of the protective cover (42) is distributed with corrugated folds which stretch along the vertical direction; a slide rail (43) is arranged on the surface of the substrate (4) along the vertical direction; a motor (11) is arranged in the second functional body (2); the power output end of the motor (11) is connected with a power wheel (12); the power wheel (12) is correspondingly attached to the sliding rail (43).

3. The in-elevator multifunction control panel assembly according to claim 1, wherein: a paper bin (55) is communicated with the bottom of the groove body (51); a limiting roller set (56) is arranged at the communication position of the paper bin (55) and the groove body (51); one side of the groove body (51) far away from the limiting roller group (56) along the horizontal direction is provided with a paper outlet (57) in a communication way; the paper pieces (54) are stacked and stored in the paper bin (55), and the upper ends of the paper pieces penetrate through the limiting roller set (56) and the groove body (51) in sequence and then penetrate out of the paper outlet (57); a convex plate (58) is arranged at the bottom of the paper outlet (57); a plurality of prefabricated tear seams (59) are arranged on the paper piece (54) at intervals along the length direction of the paper piece; a rotating shaft of the limiting roller set (56) is provided with a twisting head (561) in an extending way; the screw head (561) is positioned outside the first functional body (1).

4. The in-elevator multifunction control panel assembly according to claim 1, wherein: the side surface of the writing block (53) is a cylindrical surface; a clamping groove (501) is formed in the side wall of the groove body (51); the clamping groove (501) is correspondingly matched with the side surface of the writing block (53); a magnetic block (536) is arranged in the writing block (53); a magnetic sheet (537) is attached to the inner side of the clamping groove (501); the magnetic block (536) and the magnetic plate (537) attract each other.

5. The in-elevator multifunction control panel assembly according to claim 1, wherein: a cylinder (533) is also arranged in the writing block (53); one end of the barrel (533) facing the pen core (531) is opened, and an elastic piece is embedded inside the barrel; the tail part of the pen core (531) is embedded in the cylinder body (533) and is connected with the corresponding end of the elastic piece; an elastic pad (535) is correspondingly arranged on one side of the elastic piece, which is back to the pen core (531).

6. The in-elevator multifunction control panel assembly according to claim 1, wherein: the second functional body (2) comprises a pressing layer (21) and a triggering layer; the key body (10) is arranged on one side of the trigger layer facing the pressing layer (21); the pressing layer (21) comprises a connecting body (211) and a pressure equalizing pad (212); the pressure equalizing pad (212) is attached to the key body (10); the connecting body (211) is made of soft materials and is connected and arranged among the pressure equalizing pads (212); a plurality of buffer groups (23) are symmetrically arranged around each key body (10); the buffer group (23) is connected and arranged on the surface of the trigger layer; the damping group (23) comprises a first spring (231) and a second spring (232); the first spring (231) is sleeved on the outer side of the second spring (232); the first spring (231) has a smaller length than the second spring (232); the first spring (231) has a greater spring constant than the second spring (232).

7. The in-elevator multifunction control panel assembly according to claim 6, wherein: the key body (10) comprises a first floor key (101), a second floor key (102) and a function key (103); the first floor key (101) comprises number keys of '1-9'; the second floor key (102) is a '0' key; the second floor keys (102) are arranged on two sides of an area formed by the first floor keys (101) in pairs.

8. The in-elevator multifunction control panel assembly according to claim 7, wherein: the second floor key (102) corresponds to the center of the plate surface of the pressure equalizing pad (212); the pressure equalizing pad (212) corresponding to the second floor key (102) is of a long strip plate structure, and two ends of the long strip plate surface along the length direction are correspondingly provided with auxiliary keys (104); the auxiliary key (104) is of a telescopic sleeve structure; a balance rod piece (105) is connected between the second floor key (102) and the auxiliary key (104); the balance rod pieces (105) are arranged on the second floor key (102) in a parallel attaching connection mode.