CN211871070U

CN211871070U - Elevator button

Info

Publication number: CN211871070U
Application number: CN202020211546.2U
Authority: CN
Inventors: 宫承祥; 李春蕾
Original assignee: Shanghai BST Electric Co Ltd
Current assignee: Shanghai BST Electric Co Ltd
Priority date: 2020-02-26
Filing date: 2020-02-26
Publication date: 2020-11-06
Anticipated expiration: 2030-02-26

Abstract

The utility model discloses an elevator button, it belongs to elevator equipment technical field, this elevator button, include: the shell is of a hollow cylindrical structure with openings at two ends, a first sliding groove is formed in the side wall, and the first sliding groove and the axis of the shell are arranged in an acute angle; the transmission part is arranged in the shell, the outer side wall of the transmission part is provided with a first sliding column matched with the first sliding groove, and the first sliding column can be slidably arranged in the first sliding groove; the character piece is installed on the transmission part, when the character piece is pressed along the axis of the shell, the character piece moves along the axis direction of the shell and presses the transmission part, and the first sliding column can slide to the first sliding groove from one end of the character piece close to the first sliding groove and keep away from one end of the character piece. The utility model discloses make the elevator button have the self-balancing function, can avoid among the prior art elevator button one side by the condition pressed, the another side perk, promote to press down and feel.

Description

Elevator button

Technical Field

The utility model relates to an elevator equipment technical field especially relates to an elevator button.

Background

The elevator is used as a lifting device and is mainly used for building passengers or carrying goods.

The elevator is internally and externally provided with elevator buttons, and the elevator stops at corresponding floors by pressing the elevator buttons.

In the prior art, when people press the surface of an elevator button, people often only press one point on the surface of the elevator button, so that one side of the button is pressed down, and the other side of the button is tilted. The self-balancing performance of the elevator button is poor, and the pressing hand feeling of people is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an elevator button, it has the self-balancing function, can avoid among the prior art elevator button on one side by the condition of pressing, the another side perk, promotes to press and feels.

As the conception, the utility model adopts the technical proposal that:

an elevator button comprising:

the shell is of a hollow cylindrical structure with openings at two ends, a first sliding groove is formed in the side wall of the shell, and the first sliding groove and the axis of the shell are arranged in an acute angle;

the transmission part is arranged in the shell, a first sliding column matched with the first sliding groove is arranged on the outer side wall of the transmission part, and the first sliding column can be slidably arranged in the first sliding groove;

the character piece is installed on the transmission piece, when the character piece is pressed along the axis of the shell, the character piece moves along the axis direction of the shell and presses the transmission piece, and the first sliding column can slide from one end, close to the character piece, of the first sliding groove to one end, far away from the character piece, of the first sliding groove.

Optionally, the elevator button further comprises a light homogenizing piece, the character piece is adhered to the light homogenizing piece, and the light homogenizing piece is located in the shell and is installed on the transmission piece.

Optionally, a second sliding column is arranged on the smoothing piece, a second sliding groove parallel to the end face of the shell is formed in the side wall of the transmission piece, and the second sliding column is slidably mounted in the second sliding groove.

Optionally, the elevator button further includes an elastic resetting member, the elastic resetting member is installed in the housing and located on a side of the transmission member where the letter piece is not located, the elastic resetting member is configured to: and when the pressing force on the character piece is removed, the character piece is automatically reset.

Optionally, be equipped with on the elasticity piece that resets towards even light piece extension and with the elasticity projection of even light piece butt, press when the word piece the even light piece can compress the elasticity projection makes the elasticity projection stores elastic potential energy.

Optionally, the elevator button further comprises a cover plate, and the cover plate is arranged at one end, far away from the word piece, of the shell and is clamped with the shell.

Optionally, the elastic reset piece is mounted on the cover plate.

Optionally, the elevator button further comprises a PCBA plate located between the resilient return and the cover plate and mounted on the cover plate.

Optionally, be equipped with the location lug on the PCBA board, be equipped with on the driving medium with location lug complex holding ring, the holding ring cover is located the location lug just can wind the axis of location lug rotates.

Optionally, a hook is arranged on the cover plate, and a clamping groove clamped with the hook is arranged on the shell.

The utility model provides an elevator button, the writing piece spare that will show the floor is installed on the driving medium, through set up first spout on the shell, set up on the driving medium with first spout complex first traveller, and be the acute angle setting with the axis of first spout and shell, first spout extension line is the thread line promptly, when pressing the arbitrary department on the writing piece spare, first traveller on the driving medium slides to the one end that the writing piece spare was kept away from to first spout from the one end that first spout is close to the writing piece spare, make the driving medium take place to follow the rotation of thread line, and then drive the whole removal of writing piece spare, can not take place the condition that the another side perk was pressed down on one side to the writing piece spare, promote and press and feel.

Drawings

Fig. 1 is a schematic view of an external structure at a viewing angle of an elevator button according to an embodiment of the present invention;

fig. 2 is an external structural diagram of another view angle of the elevator button provided by the embodiment of the invention;

fig. 3 is a schematic structural view of an elevator provided by the embodiment of the present invention with a casing hidden;

fig. 4 is an exploded view of an elevator button provided by an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a housing according to an embodiment of the present invention;

fig. 6 is a schematic structural view of a light homogenizing member according to an embodiment of the present invention;

FIG. 7 is a schematic structural diagram of a transmission member according to an embodiment of the present invention;

fig. 8 is a schematic structural diagram of a cover plate according to an embodiment of the present invention;

fig. 9 is an enlarged view at a in fig. 8.

In the figure:

1. a housing; 11. a first chute; 111. a first end; 112. a second end; 12. a card slot; 13. avoiding the ring groove; 14. a first strut avoidance slot;

2. a text piece;

3. a light homogenizing piece; 31. a second strut; 32. a second strut setting block;

4. a transmission member; 41. a first traveler; 42. a second chute; 43. a positioning ring; 44. a second strut avoidance slot; 45. an outer ring portion; 46. reinforcing ribs;

5. an elastic reset member; 51. an elastic convex column; 52. a first positioning groove;

6. PCBA board; 61. positioning the bump; 62. a second positioning groove; 63. a hook avoidance slot;

7. a cover plate; 71. a hook is clamped; 711. a resilient arm; 712. a hook portion; 7121. a guide slope; 72. and a positioning projection.

Detailed Description

In order to make the technical problem solved by the present invention, the technical solution adopted by the present invention and the technical effect achieved by the present invention clearer, the technical solution of the present invention will be further explained by combining the drawings and by means of the specific implementation manner. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some but not all of the elements related to the present invention are shown in the drawings.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.

In the description of the present invention, it is to 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 or a removable 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 meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

This embodiment provides an elevator button, and it has the self-balancing function, can avoid among the prior art elevator button one side by the condition of pressing back another side perk, improves and presses and feels.

When the elevator button is used, the elevator button is arranged on the elevator button plate, the elevator buttons with the same number as the floor number are selected according to the actual floor, and passengers press the elevator buttons to stop the elevator at the corresponding floor and open and close the door.

Referring to fig. 1 to 4, in the present embodiment, the elevator button includes a housing 1, a letter piece 2, a light homogenizing piece 3, a transmission piece 4, an elastic reset piece 5, a PCBA Board 6(Printed Circuit Board + Assembly), and a cover plate 7, which are coaxially disposed.

Wherein, the shell 1 plays a role of encapsulation, and is a hollow cylinder structure with openings at two ends, and the cover plate 7 is arranged at the opening at one end of the shell 1 to plug the opening at the end. PCBA board 6, elasticity reset 5, driving medium 4, even light piece 3 and writing piece 2 locate in proper order in the shell. The PCBA board 6 is disposed adjacent to the cover plate 7.

The letter piece 2 is positioned at an opening of one end of the shell 1 far away from the cover plate 7, and is provided with a number mark for displaying a corresponding floor.

Referring to fig. 5 to 7, in order to realize the self-balancing function of the elevator button, a first sliding groove 11 is formed in a side wall of the housing 1, and the first sliding groove 11 is disposed at an acute angle with respect to an axis of the housing 1, that is, an extension line of the first sliding groove 11 is inclined with respect to the axis of the housing 1, or the extension line of the first sliding groove 11 is a thread line. The transmission part 4 is an annular structure matched with the shape of the shell 1 and is installed in the shell 1, a first sliding column 41 matched with the first sliding groove 11 is arranged on the outer side wall of the transmission part 4, and the first sliding column 41 can be installed in the first sliding groove 11 in a sliding mode.

Letter piece 2 is installed on driving medium 4, when using this elevator button, press letter piece 2 along the axis of shell 1, letter piece 2 moves and presses driving medium 4 along the axis direction of shell 1, make driving medium 4 can take place the motion along the axis direction of shell 1, and simultaneously, first traveller 41 can slide to the one end that letter piece 2 was kept away from to first spout 11 from the one end that first spout 11 is close to letter piece 2, make driving medium 4 take place the rotation around self axis when the axis direction motion of shell 1, the rotation along the thread line takes place for driving medium 4 promptly, thereby make driving medium 4 drive letter piece 2 global motion, can not take place letter piece 2 and pressed the circumstances of the perk of the another side on one side.

Specifically, referring to fig. 4, in the present embodiment, an end of the first chute 11 close to the letter piece 2 is referred to as a first end 111, and an end of the first chute 11 away from the letter piece 2 is referred to as a second end 112. When the transmission member 4 rotates along the thread, the first sliding column 41 abuts against the second end 112 after the first sliding column 41 slides from the first end 111 to the second end 112, and the movement limit position of the transmission member 4 along the axis of the housing 1 is limited.

In this embodiment, the character piece 2 is adhered to the light uniformizing member 3, and the light uniformizing member 3 is located in the housing 1 and is mounted on the transmission member 4. Specifically, the letter piece 2 is attached to the light uniformizing member 3 by double-sided adhesive.

Specifically, referring to fig. 6 and 7, the smoothing member 3 is provided with a second sliding column 31, a side wall of the transmission member 4 is provided with a second sliding groove 42, an extending direction of which is parallel to the end surface of the housing 1, that is, an extending line of the second sliding groove 42 is perpendicular to an axis of the transmission member 4, and the second sliding column 31 is slidably installed in the second sliding groove 42. The second spool 31 extends in the radial direction of the light unifying member 3. The second runner 42 and the second slide post 31 are arranged such that when the drive member 4 rotates along the thread, the smoothing member 3 only moves along the axis of the housing 1 and does not rotate with the drive member 4. The number on the letter piece 2 is prevented from being rotated and thus being difficult to be recognized.

Preferably, in this embodiment, a plurality of second sliding columns 31 are arranged at equal intervals along the circumferential direction of the light uniformizing element 3, correspondingly, a plurality of second sliding grooves 42 are arranged on the side wall of the transmission element 4, and the second sliding columns 31 and the second sliding grooves 42 are arranged in a one-to-one correspondence.

Specifically, the transmission member 4 includes an outer ring portion 45, the second sliding groove 42 is opened on the outer ring portion 45, and the first sliding column 41 is disposed on an outer side wall of the outer ring portion 45 and extends along a radial direction of the transmission member 4. Preferably, in the present embodiment, a plurality of first sliding columns 41 are arranged at equal intervals along the circumferential direction of the outer ring portion 45; correspondingly, the housing 1 is provided with a plurality of first sliding grooves 11, and the first sliding grooves 11 and the first sliding columns 41 are arranged in a one-to-one correspondence manner.

When the elevator button is assembled, the character piece 2 is adhered to the light homogenizing piece 3, the second sliding column 31 of the light homogenizing piece 3 is installed in the second sliding groove 42, and the installation of the light homogenizing piece 3 on the transmission piece 4 is completed.

Specifically, in the present embodiment, the light uniformizing element 3 is located inside the outer ring portion 45 and the light uniformizing element 3 can rotate around its own axis; preferably, the diameter of the light uniformizing element 3 is equal to the inner diameter of the outer ring part 45, so that the side wall of the light uniformizing element 3 is abutted against the inner wall of the outer ring part 45, and the compactness of the mounting structure is ensured. In order to enable the second sliding column 31 of the smoothing member 3 to be installed in the second sliding groove 42, the smoothing member 3 is provided with a second sliding column setting block 32 perpendicular to the smoothing member 3, the second sliding column 31 is arranged on the second sliding column setting block 32, meanwhile, the transmission member 4 is provided with a second sliding column avoiding groove 44 communicated with the second sliding groove 42, when the smoothing member 3 is installed on the transmission member 4, the smoothing member 3 is overlapped on the transmission member 4 and the second sliding column 31 is aligned with the second sliding column avoiding groove 44, the smoothing member 3 is pressed downwards to enable the second sliding column 31 to slide into the second sliding groove 42, and then the smoothing member 3 is rotated to enable the second sliding column 31 to completely slide into the second sliding groove 42.

Then the assembled letter piece 2, the dodging piece 3 and the transmission piece 4 are installed in the shell 1. For convenience of introduction, the assembled writing piece 2, the light uniformizing piece 3 and the transmission piece 4 are referred to as a transmission piece as a whole. An opening at one end of a shell 1 where a character piece 2 is positioned is called a first opening, an opening at the other end of the shell 1 is called a second opening, when a transmission piece is installed integrally, the transmission piece is installed into the shell 1 from the second opening of the shell 1 integrally, in order to avoid interference between a first sliding column 41 and the inner wall of the shell 1 when the transmission piece is installed integrally, an avoidance ring groove 13 is arranged in the shell 1 at one end of the second opening, the diameter of the avoidance ring groove 13 is the same as the distance from the end part of the first sliding column 41 to the center of the transmission piece 4, meanwhile, a first sliding column avoidance groove 14 is also arranged on the inner wall of the shell 1, the first sliding column avoidance groove 14 extends from the avoidance ring groove 13 to a first sliding groove 11, the first sliding column 41 is aligned with the first sliding column avoidance groove 14, the first sliding column 41 slides into the first sliding column avoidance groove 14 from the avoidance ring groove 13 in sequence and then slides into a second end 112 of the first sliding groove 11, the whole transmission member is continuously pressed, so that the first sliding column 41 slides along the first sliding slot 11 to the first end 111. The transmission member is thus mounted integrally in the housing 1.

Preferably, in this embodiment, the length of the second sliding slot 42 is 2 times of that of the first sliding slot 11, and the initial position of the second sliding column 31 in the second sliding slot 42 is the middle of the second sliding slot 42, so that when the first sliding column 41 slides from the first end 111 to the second end 112, the second sliding slot 42 can slide relative to the second sliding column 31 during the rotation process until the second sliding column 31 abuts against the end of the second sliding slot 42.

After elevator button is triggered, the operator can withdraw the pressing force, in order to make elevator button can automatic re-setting, writing piece spare 2 resumes to initial position, in this embodiment, elevator button still includes elasticity piece 5 that resets, and elasticity resets 5 and installs in shell 1 and be located the one side that the transmission part 4 did not set up writing piece spare 2, and elasticity resets 5 and is configured into: when the pressing force on the letter piece 2 is removed, the letter piece 2 is automatically reset.

Referring to fig. 4, in the embodiment, the elastic resetting member 5 is provided with an elastic convex pillar 51 extending toward the light uniformizing member 3 and abutting against the light uniformizing member 3, and when the text piece 2 is pressed, the light uniformizing member 3 can compress the elastic convex pillar 51, so that the elastic convex pillar 51 stores elastic potential energy. Thus, after the pressing force is removed, under the action of the elastic potential energy stored in the elastic convex column 51, the elastic convex column 51 applies a restoring force to the light homogenizing member 3 in a direction opposite to the action direction of the pressing force, so that the light homogenizing member 3 drives the character piece 2 and the transmission member 4 to restore to the initial position.

Preferably, the material of the elastic convex column 51 is silicon gel.

Specifically, after the pressing force is removed, under the action of the elastic potential energy stored in the elastic convex column 51, the light homogenizing member 3 is jacked up by the elastic convex column 51, the transmission member 4 is jacked up along with the light homogenizing member 3 at the same time, the first sliding column 41 slides from the second end 112 to the first end 111 along the first sliding groove 11, and the second sliding groove 42 rotates in the reverse direction, so that the second sliding column 31 is located in the middle of the second sliding groove 42 and returns to the initial position.

The elastic reset piece 5 is installed on the cover plate 7 and is positioned in the shell 1. The PCBA board 6 is located between the resilient return member 5 and the cover plate 7 and is mounted on the cover plate 7. I.e. the resilient return member 5 and the PCBA plate 6 are superposed on the cover plate 7.

In order to position the elastic reset piece 5 and the PCBA board 6, a positioning protrusion 72 is arranged on the cover plate 7, a first positioning groove 52 matched with the positioning protrusion 72 is arranged on the elastic reset piece 5, a second positioning groove 62 matched with the positioning protrusion 72 is arranged on the PCBA board 6, the elastic reset piece 5 and the PCBA board 6 are overlapped and the first positioning groove 52 and the second positioning groove 62 are aligned, the first positioning groove 52 and the second positioning groove 62 are simultaneously clamped in the positioning protrusion 72, and the installation of the elastic reset piece 5 and the PCBA board 6 on the cover plate 7 is completed.

Referring to fig. 4 and 7, the PCBA board 6 is provided with a positioning protrusion 61, the transmission member 4 is provided with a positioning ring 43 engaged with the positioning protrusion 61, and the positioning ring 43 is sleeved on the positioning protrusion 61 and can rotate around the axis of the positioning protrusion 61. The positioning lug 61 and the positioning ring 43 are arranged, so that the assembly among the components of the elevator button can be more compact.

In particular, the axis of the positioning ring 43 coincides with the axis of the transmission 4. The transmission member 4 is provided with a reinforcing rib 46, one end of the reinforcing rib 46 is connected with the outer annular portion of the transmission member 4, and the other end is connected with the positioning ring 43. Preferably, in this embodiment, a plurality of ribs 46 are provided at equal intervals around the axis of the retaining ring 43.

Firstly, the PCBA 6 is placed on the cover plate 7, and the PCBA 6 is positioned through the cooperation of the second positioning groove 62 and the positioning protrusion 72; the resilient return member 5 is then stacked on the PCBA board 6 and the resilient return member 5 is positioned by the first positioning slot 52 in cooperation with the positioning protrusions 72.

Preferably, in this embodiment, at least two positioning protrusions 72 are disposed along the circumferential direction of the cover plate 7, and accordingly, the elastic restoring member 5 is provided with a plurality of first positioning grooves 52 corresponding to the positioning protrusions 72 one by one, and the PCBA plate 6 is provided with a plurality of second positioning grooves 62 corresponding to the positioning protrusions 72 one by one.

The cover plate 7 is then mounted to the second opening of the housing 1. Specifically, the cover plate 7 is arranged at one end, namely a second opening, of the shell 1 far away from the character piece 2 and is clamped with the shell 1.

Specifically, the cover plate 7 is provided with a hook 71, and the housing 1 is provided with a slot 12 engaged with the hook 71. Meanwhile, the PCBA 6 is provided with a hook avoiding groove 63, so that the PCBA 6 is prevented from interfering with a hook 71 when being superposed on the cover plate 7. Referring to fig. 8 and 9, in order to allow the hook 71 to be smoothly engaged with the slot 12, the hook 71 includes an elastic arm 711 and a hook portion 712 provided at an end of the elastic arm 711. Furthermore, a first avoiding notch is formed in the periphery of the cover plate 7, and the elastic arm 711 extends from the first avoiding notch to be perpendicular to the cover plate 7, so that the hook 72 is prevented from interfering with the inner wall of the housing 1.

Preferably, the hooking portion 712 is provided with a guide slope 7121. Specifically, the guide slope is inclined from the end of the elastic arm 711 toward the axis near the cover 7.

The diameter of the elastic reset piece 5 is smaller than that of the cover plate 7, so that the elastic arms 711 can abut against the side walls of the elastic reset piece 5, on one hand, the elastic reset piece 5 is prevented from interfering with the elastic arms 711, on the other hand, when the cover plate 7 is installed, the overlapped elastic reset piece 5, the PCBA plate 6 and the cover plate 7 are horizontally placed, the cover plate 7 is located at the lowest position, at this time, the whole transmission piece is installed in the shell 1, the second opening of the shell 1 moves downwards and moves close to the cover plate 7, the upper end of the guide inclined face 7121 enters the second opening firstly, along with the downward movement of the shell 1, the lower end of the guide inclined face 7121 also enters the shell 1 until the bent hook portions 712 completely enter the shell 1 and the elastic arms 711 are extruded by the inner wall of the shell 1 to move towards the axial direction close to the shell 1, along with the continuous downward movement of the shell 1, and after the bent hook portions 712 are flush with, at this time, the elastic restoring member 5 and the PCBA board 6 are sandwiched in the housing 1, and the assembly of the entire elevator push button is completed.

Preferably, in this embodiment, at least two hooks 71 are disposed at equal intervals along the circumferential direction of the cover plate 7, and correspondingly, a plurality of slots corresponding to the hooks 71 one to one are disposed on the housing 1.

The action process of each part of the elevator button after the elevator button is pressed provided by the embodiment is as follows:

(1) the operator selects the floor to be reached and presses the letter piece 2 to start the elevator button;

when the character piece 2 is pressed, the pressing force is transmitted from the character piece 2 to the light uniformizing piece 3 and the transmission piece 4 in sequence, after the transmission piece 4 is pressed, the first sliding column 41 slides from the first end 111 to the second end 112 along the extending direction of the first sliding groove 11, so that the transmission piece 4 rotates along the thread line along the extending direction of the first sliding groove 11, and the transmission piece 4 moves downwards integrally; in the process that the transmission piece 4 rotates, the second sliding groove 42 rotates relative to the second sliding column 31, namely, the second sliding column 31 only moves along the axis direction of the shell 1, the second sliding groove 42 rotates to avoid the rotation of the light homogenizing piece 3, and the situation that the numbers of the display floors on the word piece 2 are inconvenient to identify after the light homogenizing piece 3 drives the word piece 2 to rotate is prevented; in the pressing process, the elastic convex columns 51 on the elastic resetting piece 5 are compressed;

(2) the operator finishes floor selection and removes the pressing force;

after removing the pressing force, the elasticity projection 51 of compressed will resume the original state, can apply an effort opposite with the effect direction of pressing force to even light piece 3, under the effect of this effort, even light piece 3 drives writing piece 2 and driving medium 4 and moves towards first open-ended direction, slide to first end 111 along first spout 11 at first traveller 41 from second end 112 simultaneously, even light piece 3 can not move towards first open-ended again this moment, the elevator button resets, awaits next time and operates.

The elevator button that this embodiment provided, convenient assembling, and have the self-balancing function, can not take place one side and pressed the condition of another side perk, press and feel well.

The above embodiments have been described only the basic principles and features of the present invention, and the present invention is not limited by the above embodiments, and is not departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. An elevator button, comprising:

the shell (1) is of a hollow cylindrical structure with openings at two ends, a first sliding groove (11) is formed in the side wall of the shell, and the first sliding groove (11) and the axis of the shell (1) are arranged in an acute angle;

the transmission part (4) is installed in the shell (1), a first sliding column (41) matched with the first sliding groove (11) is arranged on the outer side wall of the transmission part (4), and the first sliding column (41) can be installed in the first sliding groove (11) in a sliding mode;

word piece spare (2), install in on driving medium (4), follow the axis of shell (1) is pressed during word piece spare (2), word piece spare (2) are followed the axis direction motion of shell (1) is pressed driving medium (4), first traveller (41) can certainly first spout (11) are close to the one end of word piece spare (2) slides extremely first spout (11) are kept away from the one end of word piece spare (2).

2. The elevator button according to claim 1, further comprising a light homogenizing member (3), wherein the writing piece (2) is adhered to the light homogenizing member (3), and the light homogenizing member (3) is positioned in the housing (1) and mounted on the transmission member (4).

3. The elevator button according to claim 2, wherein a second sliding pillar (31) is arranged on the smoothing member (3), a second sliding groove (42) parallel to the end surface of the housing (1) is formed in the side wall of the transmission member (4), and the second sliding pillar (31) is slidably mounted in the second sliding groove (42).

4. Elevator button according to claim 3, characterized in that it further comprises an elastic return element (5), said elastic return element (5) being mounted in the housing (1) on the side of the transmission element (4) where the writing elements (2) are not located, said elastic return element (5) being configured to: when the pressing force on the character piece (2) is removed, the character piece (2) is automatically reset.

5. The elevator button according to claim 4, wherein the elastic reset member (5) is provided with an elastic convex column (51) which extends towards the light homogenizing member (3) and is abutted against the light homogenizing member (3), and when the character piece (2) is pressed, the light homogenizing member (3) can compress the elastic convex column (51) to enable the elastic convex column (51) to store elastic potential energy.

6. The elevator button according to claim 4, further comprising a cover plate (7), wherein the cover plate (7) is disposed at an end of the housing (1) away from the letter piece (2) and is engaged with the housing (1).

7. Elevator push button according to claim 6, characterized in that the resilient return member (5) is mounted on the cover plate (7).

8. Elevator button according to claim 6, characterized in that it further comprises a PCBA (6), said PCBA (6) being located between the resilient return (5) and the cover plate (7) and mounted on the cover plate (7).

9. The elevator button according to claim 8, wherein the PCBA (6) is provided with a positioning bump (61), the transmission member (4) is provided with a positioning ring (43) matched with the positioning bump (61), and the positioning ring (43) is sleeved on the positioning bump (61) and can rotate around the axis of the positioning bump (61).

10. Elevator button according to any one of claims 6-9, characterized in that the cover plate (7) is provided with a hook (71), and the housing (1) is provided with a slot (12) that engages with the hook (71).