Button assembly

Abstract

The embodiment of the utility model provides a button assembly, and the button assembly comprises a floating elastic sheet which is provided with an opening. The floating stand column is provided with a groove and an assembly hole, and the floating elastic piece is embedded into the groove in the first direction; the key body is provided with a middle stand column and a protruding part, the middle stand column is inserted into the assembling hole of the floating stand column in the first direction, and the protruding part abuts against the floating elastic piece in the first direction; and the movable baffle is provided with a limiting column and a fixing groove, the limiting column is inserted into the floating stand column in the second direction, and the fixing groove is embedded into the protruding part in the second direction. Therefore, the problem that the key assembly cannot be pressed down due to dimensional tolerance of parts can be solved, and the rebound resilience of the key assembly is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of medical devices, and in particular to a button assembly. BACKGROUND

[0002] In some medical scenarios, a button assembly needs to be assembled in a physiological detection device or other medical device. For example, in an existing sphygmomanometer, a button assembly provided with a key support is generally used to contact a tactile switch. When the button assembly is used, due to the superposition of the size tolerance of each component in the button assembly and the floating of the tactile switch after being welded with the substrate, the key may not be pressed down, and the key assembly may not achieve the key function.

[0003] It should be noted that the above introduction to the technical background is only for the convenience of clearly and completely describing the technical solutions of the present application and for the convenience of understanding by those skilled in the art. The above technical solutions cannot be considered as known to those skilled in the art merely because they are described in the background section of the present application. CONTENT OF THE UTILITY MODEL

[0004] In order to solve at least one of the above problems or other similar problems, the embodiments of the present application provide a button assembly.

[0005] According to an aspect of the embodiments of the present application, a button assembly is provided, wherein the button assembly comprises: a floating spring plate having an opening; a floating stand having a groove and an assembly hole, the floating spring plate being embedded in the groove in a first direction; a key body having a middle stand and a protruding part, the middle stand being inserted into the assembly hole of the floating stand in the first direction, and the protruding part abutting against the floating spring plate in the first direction; and a movable baffle having a limiting column and a fixed groove, the limiting column being inserted into the floating stand in a second direction, and the fixed groove being embedded into the protruding part in the second direction.

[0006] In some embodiments, the protruding part has a cross-shaped structure in the second direction, and the floating spring plate has a wavy elastic structure on one side of the opening thereof.

[0007] In some embodiments, the floating spring plate comprises a first spring plate and a second spring plate, the first spring plate having a first opening, and the second spring plate having a second opening; the groove comprises a first groove and a second groove; and the protruding part comprises a first protruding part and a second protruding part, wherein,

[0008] the first spring plate is embedded into the first groove in the first direction, and the second spring plate is embedded into the second groove in the first direction,

[0009] The first protruding part abuts against the wavy elastic structure of the first elastic sheet in the first direction, and the second protruding part abuts against the wavy elastic structure of the second elastic sheet in the first direction.

[0010] In some embodiments, the floating column further has a straight notch and a trigger elastic sheet, the trigger elastic sheet is fixed to the floating column, the middle column extrudes the trigger elastic sheet to trigger the switch in the first direction,

[0011] Wherein, the trigger elastic sheet is annular and has an arc-shaped connecting part connected with the floating column.

[0012] In some embodiments, the floating column includes a first column, a second column, a third column and a fourth column, and the trigger elastic sheet is connected with the first column, the second column, the third column and the fourth column respectively through the arc-shaped connecting part.

[0013] In some embodiments, the first column has a first straight notch, the second column has a second straight notch, the third column has a third straight notch, and the fourth column has a fourth straight notch.

[0014] In some embodiments, the limiting column of the movable baffle is inserted into the straight notch of the floating column in the second direction, and the fixed groove of the movable baffle is embedded into the cross-shaped structure of the protruding part in the second direction.

[0015] In some embodiments, the movable baffle includes a first movable baffle and a second movable baffle, the first movable baffle has a first fixed groove, and the second movable baffle has a second fixed groove,

[0016] The first fixed groove is embedded into the first protruding part in the second direction, and the second fixed groove is embedded into the second protruding part in the second direction.

[0017] In some embodiments, the first movable baffle includes a first limiting column and a second limiting column, and the second movable baffle includes a third limiting column and a fourth limiting column,

[0018] The first limiting column is inserted into the first straight notch in the second direction, the second limiting column is inserted into the second straight notch in the second direction, the third limiting column is inserted into the third straight notch in the second direction, and the fourth limiting column is inserted into the fourth straight notch in the second direction.

[0019] In some embodiments, the first column has a first column groove, the second column has a second column groove, the third column has a third column groove, and the fourth column has a fourth column groove,

[0020] The button assembly also has a switch platform, the switch platform has a third protruding part, a fourth protruding part, a fifth protruding part, a sixth protruding part,

[0021] The first column groove, the second column groove, the third column groove, the fourth column groove are respectively embedded in the third protruding part, the fourth protruding part, the fifth protruding part, the sixth protruding part in the first direction.

[0022] One of the beneficial effects of the embodiment of the present application is that by the structure of the floating column, the floating spring, etc., the button assembly is set as a floating structure, so that the button and the tactile switch have a certain gap, and the size tolerance of each component is absorbed by the deformation of the floating spring, thereby solving the problem that the button assembly cannot be pressed due to the size tolerance of the components, improving the resilience of the button assembly, and improving the use experience of the button assembly.

[0023] Specific embodiments of the present application are disclosed in detail in the following description and accompanying drawings, indicating the ways in which the principles of the present application can be employed. It should be understood that the embodiments of the present application are not limited in scope in terms of the appended claims and their equivalents. Embodiments of the present application include many changes, modifications and equivalents within the spirit and scope of the appended claims.

[0024] Features described and / or illustrated with respect to one implementation can be used in one or more other implementations in the same or similar manner, in combination with or in place of features in other implementations, or in place of or in addition to features in other implementations.

[0025] It should be emphasized that the term "comprises / comprising" as used herein indicates the presence of the stated features, integers, steps or components but does not preclude the presence or addition of one or more other features, integers, steps, components or groups thereof. BRIEF DESCRIPTION OF DRAWINGS

[0026] The accompanying drawings included to provide a further understanding of the embodiments of the present application and constitute a part of the specification, serve to illustrate the embodiments of the present application and, together with the text description, explain the principles of the present application. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor based on these drawings. In the drawings:

[0027] Figure 1 is a schematic view of a button assembly of an embodiment of the present application;

[0028] Figure 2 is a schematic view of a floating column of an embodiment of the present application;

[0029] Figure 3is a schematic view of a floating spring embedded in a groove of an embodiment of the present application;

[0030] Figure 4 is a schematic view of a key body abutting a floating spring of an embodiment of the present application;

[0031] Figure 5 is another schematic view of a key body abutting a floating spring of an embodiment of the present application;

[0032] Figure 6 is a schematic view of a button assembly installed on a switch platform of an embodiment of the present application;

[0033] Figure 7 is another schematic view of a floating column of an embodiment of the present application;

[0034] Figure 8 is a schematic view of a movable baffle of an embodiment of the present application;

[0035] Figure 9 is a schematic view of a movable baffle, a key body and a floating column of an embodiment of the present application;

[0036] Figure 10 is a schematic view of a switch platform of an embodiment of the present application.

[0037] The reference signs are:

[0038] 10: button assembly;

[0039] 20: floating spring; 21: opening;

[0040] 30: floating column; 31: groove; 32: assembly hole; 33: straight slot; 34: trigger spring;

[0041] 40: key body; 41: middle column; 42: protruding part;

[0042] 50: switch platform; 51: switch;

[0043] 60: movable baffle; 61: limiting column; 62: fixed groove. DETAILED DESCRIPTION

[0044] The foregoing and other features of the present application will become apparent to those skilled in the art upon consideration of the following description of specific embodiments of the present application, taken in conjunction with the accompanying drawings. In the description of embodiments of the present application, specific terminology is employed for the sake of clarity. However, the application is not intended to be limited to the specific embodiments described, but is intended to include all modifications, equivalents, and alternatives falling within the scope of the appended claims.

[0045] In the embodiments of the present application, the terms "first", "second", "upper", "lower", and the like are used to distinguish different elements from the point of view, but do not indicate the spatial arrangement or time sequence of the elements, and the elements should not be limited by these terms. The term "and / or" includes any one and all combinations of the associated listed terms. The terms "comprise", "include", "have", and the like mean the presence of the stated features, elements, components, or assemblies, but do not exclude the presence or addition of one or more other features, elements, components, or assemblies.

[0046] In the embodiments of the present application, the singular form "a", "an", and the like can include the plural form, and should be broadly understood as "one" or "a kind", rather than limited to the meaning of "one". In addition, the term "said" should be understood to include both singular and plural forms, unless the context clearly indicates otherwise. In addition, the term "according to" should be understood as "at least partially according to", and the term "based on" should be understood as "at least partially based on", unless the context clearly indicates otherwise.

[0047] The embodiments of the present application are described below with reference to the accompanying drawings.

[0048] The embodiments of the present application provide a key assembly that presses a tact switch arranged below to trigger the switch.

[0049] Figure 1 is a schematic view of a button assembly of the embodiments of the present application, Figure 2 is a schematic view of a floating column of the embodiments of the present application, Figure 3 is a schematic view of a floating spring plate embedded groove of the embodiments of the present application.

[0050] As Figure 1 shown, the button assembly 10 has a floating spring plate 20, a floating column 30, and a key body 40, as Figure 3 shown, the floating spring plate 20 has an opening 21.

[0051] As Figure 2 and Figure 3 shown, the floating column 30 has a groove 31 and a fitting hole 32, and the floating spring plate 20 is embedded in the groove 31 in the first direction.

[0052] As Figure 1 shown, the key body 40 has a middle column 41 and a protruding part 42, the middle column 41 is inserted into the fitting hole 32 of the floating column 30 in the first direction, and the protruding part 42 abuts against the floating spring plate 20 in the first direction.

[0053] The button assembly 10 also has a movable baffle 60 Figures 1-3The movable baffle 60 has a limiting column 61 and a fixing groove 62. The limiting column 61 is inserted into the floating column 30 in the second direction, and the fixing groove 62 is embedded into the protruding part 42 in the second direction.

[0054] According to the embodiments of the present application, the button assembly is set to be movable by the floating column, the floating spring and other structures, so that the key and the tactile switch have a certain gap, and the size tolerance of each component is absorbed by the deformation of the floating spring, thereby solving the problem that the button assembly cannot be pressed sometimes and improving the resilience of the key assembly.

[0055] In the embodiments of the present application, the first direction is the first direction X as shown in Figure 2 and Figure 3 , that is, the vertical direction in Figure 2 and Figure 3 , and the second direction is the direction perpendicular to the plane where the protruding part 42 is located, that is, the horizontal direction in Figure 2 and Figure 3 , and the first direction and the second direction are perpendicular to each other.

[0056] Figure 4 is a schematic view of the key body abutting against the floating spring in the embodiments of the present application, Figure 5 is another schematic view of the key body abutting against the floating spring in the embodiments of the present application.

[0057] In some embodiments, as shown in Figure 4 , the protruding part 42 has a cross-shaped structure 43 in the second direction. The cross-shaped structure 43 of the protruding part 42 can be integrally formed with the protruding part 42 or separately formed and bonded by glue or the like.

[0058] In some embodiments, as shown in Figure 3 , the floating spring 20 has a wave-shaped structure on one side of the opening 21, thereby improving the elasticity of the spring and avoiding damage to the spring due to multiple pressing of the button. In the embodiments of the present application, the material of the floating spring 20 is not limited, and the material of the floating spring 20 can be metal, plastic or other materials, which is not limited in the present application.

[0059] In some embodiments, as shown in Figure 3 , the floating spring 20 includes a first spring 20(a) and a second spring 20(b), the first spring 20(a) has a first opening 21(a), and the second spring 20(b) has a second opening 21(b); as shown in Figure 2 , the groove 31 includes a first groove 31(a) and a second groove 31(b); as shown in Figure 4 and Figure 5 , the protruding part 42 includes a first protruding part 42(a) and a second protruding part 42(b), wherein, as shown inFigure 3 As shown, the first elastic sheet 21(a) is embedded in the first recess 31(a) in the first direction, and the second elastic sheet 20(b) is embedded in the second recess 31(b) in the first direction, as shown in Figure 4 and Figure 5 As shown, the first protruding part 42(a) abuts against the wavy elastic structure of the first elastic sheet 20(a) in the first direction, and the second protruding part 42(b) abuts against the wavy structure of the second elastic sheet 20(b) in the first direction.

[0060] In the above embodiment, as shown in Figure 2 and Figure 3 As shown, the first elastic sheet 20(a) and the second elastic sheet 20(b) are fixed on the floating column 30 by being embedded in the first recess 31(a) and the second recess 32(b), the first elastic sheet 20(a) and the second elastic sheet 20(b) are completely identical in shape and size, and both have a wavy elastic structure at the opening side, and in addition, as an example, Figure 2 and Figure 3 Since the first recess 31(a) and the second recess 31(b) are both rectangular, the part embedded in the recess 31 by the first elastic sheet 20(a) and the second elastic sheet 20(b) is also rectangular, but the present application is not limited thereto, the shape of the recess 30 can also be set to other shapes according to specific needs, and the shape of the part embedded in the recess by the elastic sheet 20 can also be changed accordingly, which is not limited by the present application.

[0061] In the above embodiment, as shown in Figure 4 and Figure 5 As shown, the first protruding part 42(a) abuts against the wavy structure of the first elastic sheet 20(a) in the first direction, and the second protruding part 42(b) abuts against the wavy structure of the second elastic sheet 20(b) in the first direction, thereby the key body 40 can achieve the operation of pressing the button by pressing the first elastic sheet 20(a) and the second elastic sheet 20(b).

[0062] In addition, as shown in Figure 4 As shown, the first protruding part 42(a) has a first cross-shaped structure 43(a) in the second direction, as shown in Figure 5 As shown, the second protruding part 42(b) has a second cross-shaped structure 43(b) in the second direction, in the embodiment of the present application, the size of the first cross-shaped structure 43(a) and the second cross-shaped structure 43(b) can be the same or different, and the cross-shaped structure 43 can also be other shapes, which is not limited by the present application.

[0063] Figure 6 It is a schematic view of the button assembly of the embodiment of the present application installed on the switch platform. Figure 7 It is another schematic view of the floating column of the embodiment of the present application, showing the case of observing the floating column from the bottom of the floating column.

[0064] In some embodiments, as shown in Figure 2 and Figure 6 shown, the floating column 30 also has a straight notch 33 and a trigger spring 34, the trigger spring 34 is fixed to the floating column 30, the middle column 41 extrudes the trigger spring 34 to trigger the switch 51 in the first direction, wherein, as shown in Figure 7 shown, the trigger spring 34 is annular and has an arc-shaped connecting part 34(a) connected with the floating column 30.

[0065] Wherein, the first direction is the first direction X in Figure 2 , that is, the direction perpendicular to the paper in Figure 7 .

[0066] In the above embodiments, as shown in Figure 2 shown, the floating column 30 has a trigger spring 34 fixed to the floating column 30, as shown in Figure 6 , the key body 40 moves the middle column 41 in the first direction X by pressing the floating spring 20, so that the middle column 41 contacts the trigger spring 34 and presses the trigger spring 34 downward, thereby the trigger spring 34 can trigger the switch 51 by contact or pressing to perform the trigger operation, the material of the trigger spring 34 is not limited in the embodiments of the application, the trigger spring 34 can be metal or other materials.

[0067] In some embodiments, as shown in Figure 7 shown, the floating column 30 includes a first column 30(a), a second column 30(b), a third column 30(c) and a fourth column 30(d), the trigger spring 34 is connected with the first column 30(a), the second column 30(b), the third column 30(c) and the fourth column 30(d) through the arc-shaped connecting part 34(a) respectively.

[0068] Wherein, the trigger spring 34 is annular and connected with the floating column 30 through the arc-shaped connecting part 34(a), thereby the trigger spring 34 can be fixed on the floating column 30, in the embodiments of the application, the fixing mode of the trigger spring 34 and the floating column 30 is not limited, the trigger spring 34 can be formed integrally with the floating column 30, the trigger spring 34 can also be formed separately and fixed with the floating column 30 through welding or other ways.

[0069] Therefore, the trigger spring 34 is connected with the first column 30(a), the second column 30(b), the third column 30(c) and the fourth column 30(d) through the arc-shaped connecting part 34(a) respectively, which can increase the elasticity of the trigger spring 34 and improve the firmness of the trigger spring 34, avoid the extrusion force of the middle column 41 to the trigger spring 34 being too large, causing damage to the trigger spring 34, in addition,Figure 7 For example, the trigger spring 34 is connected with the floating column 30 through the arc-shaped connecting part 34(a), but the application is not limited thereto, the trigger spring 34 can also be connected with the floating column 30 through other connecting parts or in other ways, as long as the middle column 41 can trigger the switch in the first direction by extruding the trigger spring 34, the application is not limited.

[0070] In some embodiments, as shown in Figure 4 and Figure 5 , the first column 30(a) has a first straight slot 33(a), the second column 30(b) has a second straight slot 33(b), the third column 30(c) has a third straight slot 33(c), and the fourth column 30(d) has a fourth straight slot 33(d).

[0071] Figure 8 is a schematic view of the movable baffle of the embodiment of the application. Figure 9 is a schematic view of the movable baffle, the key body and the floating column of the embodiment of the application, showing the structural relationship between the movable baffle, the key body and the floating column.

[0072] In some embodiments, as shown in Figure 8 and Figure 9 , the button assembly 10 further comprises a movable baffle 60, the movable baffle 60 has a limiting column 61 and a fixed groove 62, the limiting column 61 is inserted into the straight slot 33 in the second direction, and the fixed groove 62 is embedded into the cross-shaped structure 43 of the convex part 42 in the second direction.

[0073] Among them, the second direction is Figure 9 perpendicular to the plane where the first convex part 42(a) is located.

[0074] In some embodiments, as shown in Figure 8 and Figure 9 , the movable baffle 60 comprises a first movable baffle 60(a) and a second movable baffle 60(b), the first movable baffle 60(a) has a first fixed groove 62(a), and the second movable baffle 60(b) has a second fixed groove 62(b), the first fixed groove 62(a) is embedded into the first convex part 42(a) in the second direction, and the second fixed groove 62(b) is embedded into the second convex part 42(b) in the second direction.

[0075] In the above embodiments, as shown in Figure 9As shown, the first protruding part 42(a) is embedded in the first fixed groove 62(a) in the second direction, more specifically, the first cross-shaped structure 43(a) of the first protruding part 42(a) is embedded in the first fixed groove 62(a) in the second direction, and the second cross-shaped structure 43(b) of the second protruding part 42(b) is embedded in the second fixed groove 63(b) (not shown in the figure) in the second direction, thereby enabling the movable baffle to be fixed with the key body through the embedding of the protruding part and the fixed groove, increasing the stability of the key body, and in addition, to Figure 9 For example, in order to be embedded with the cross-shaped structure of the protruding part, the first protruding part 42(a) and the second protruding part 42(b) are both cross-shaped, and the application does not limit the shape of the embedding structure of the protruding part and the fixed groove, and the shapes of the first protruding part 42(a) and the second protruding part 42(b) can also be other shapes, such as triangular, etc., and correspondingly, the first cross-shaped structure 43(a) and the second cross-shaped structure 43(b) of the protruding part can also be other shapes.

[0076] In some embodiments, as shown in Figure 8 and Figure 9 The first movable baffle 60(a) includes a first limiting column 61(a) and a second limiting column 61(b), and the second movable baffle 60(b) includes a third limiting column 61(c) and a fourth limiting column 61(d) (not shown in the figure), the first limiting column 61(a) is inserted into the first straight slot 33(a) in the second direction, the second limiting column 61(b) is inserted into the second straight slot 33(b) in the second direction, the third limiting column 61(c) is inserted into the third straight slot 33(c) in the second direction (not shown in the figure), and the fourth limiting column 61(d) is inserted into the fourth straight slot 33(d) in the second direction (not shown in the figure).

[0077] Through the embedding between the straight slot 33 and the limiting column 61 and the fixed relationship between the movable baffle 60 and the key body 40, the movable baffle 60 can drive the key 40 to slide up and down in the first direction X, thereby triggering the switch, and through the limitation between the limiting column and the straight slot, the key 40 can always be kept sliding in the first direction X, avoiding the key 40 from being offset or tilted.

[0078] Figure 10 is a schematic diagram of a switch platform of an embodiment of the application.

[0079] In some embodiments, as shown in Figure 7 and Figure 10 The first upright column 30(a) has a first upright column groove 35(a), the second upright column 30(b) has a second upright column groove 35(b), the third upright column 30(c) has a third upright column groove 35(c), and the fourth upright column 30(d) has a fourth upright column groove 35(d).

[0080] The button assembly 10 also has a switch platform 50, which has a third protruding part 52(a), a fourth protruding part 52(b), a fifth protruding part 52(c), and a sixth protruding part 52(d).

[0081] The first column groove 35(a), the second column groove 35(b), the third column groove 35(c), and the fourth column groove 35(d) are respectively embedded in the third protruding part 51(a), the fourth protruding part 51(b), the fifth protruding part 52(c), and the sixth protruding part 53(d) in the first direction X.

[0082] The first direction is the direction X shown in the figure, that is, the direction perpendicular to the paper surface. Figure 10 The first direction is the direction X shown in the figure, that is, the direction perpendicular to the paper surface. Figure 7 The first direction is the direction X shown in the figure, that is, the direction perpendicular to the paper surface.

[0083] Therefore, the button assembly 10 can be fixed on the switch platform 50 and touch the switch 51 to realize the button function.

[0084] In addition, the button assembly 10 can also be fixed on the switch platform by other ways, such as bonding by glue, etc., which is not limited in the application.

[0085] In some embodiments, the button assembly of the application can be applied to physiological monitoring devices, and can also be applied to other products in other fields, which is not limited in the application.

[0086] The above only describes the button assembly related to the application, and the button assembly can also include other components, which can be referred to related technologies, and the description is omitted here.

[0087] Through the above embodiments, the button assembly is set as a floating structure by the floating column and the floating spring, so that the button has a certain gap with the touch switch, and the size tolerance of each component is absorbed by the deformation of the floating spring. Therefore, the problem that the button assembly cannot be pressed due to the size tolerance of the components can be solved, the resilience of the button assembly is improved, and the use experience of the button assembly is improved.

[0088] The application also provides a physiological monitoring device, which includes the button assembly of the foregoing embodiments. Since the button assembly has been described in detail in the foregoing embodiments, the description is not repeated here.

[0089] In the embodiments of the application, as described above, the physiological monitoring device can be a sphygmomanometer, and the application is not limited thereto. The physiological monitoring device can also be other products that require a button assembly.

[0090] The embodiments of the present application are described above with reference to specific embodiments. It should be clear, however, to those skilled in the art that these descriptions are illustrative only and not restrictive of the scope of the embodiments of the present application. Various modifications and changes can be made by those skilled in the art to the embodiments of the present application as described above without departing from the spirit and scope of the embodiments of the present application, which is to be limited only by the appended claims.

[0091] Preferred embodiments of the present application are described above with reference to the accompanying drawings. Many features and advantages of the embodiments of the present application are apparent from the detailed specification, and it is therefore intended by the appended claims to cover all such features and advantages of the embodiments of the present application within their true spirit and scope. Further, since numerous modifications and changes will readily occur to those skilled in the art, it is not desired to limit the embodiments of the present application to the exact construction and operation described herein. Accordingly, all suitable modifications and equivalents can be resorted to falling within the scope of the embodiments of the present application.

Claims

1. A push button assembly characterized by, The button assembly comprises: a floating spring having an opening; a floating column having a groove and an assembly hole, the floating spring being embedded in the groove in a first direction; a key body having an intermediate column and a protruding part, the intermediate column being inserted into the assembly hole of the floating column in the first direction, the protruding part abutting against the floating spring in the first direction; a movable baffle having a limiting column and a fixed groove, the limiting column being inserted into the floating column in a second direction, the fixed groove being embedded in the protruding part in the second direction.

2. The button assembly according to claim 1, wherein the protruding part has a cross-shaped structure in the second direction, and the floating spring has a wavy elastic structure on one side of the opening thereof.

3. The button assembly according to claim 1, wherein the floating spring comprises a first spring having a first opening and a second spring having a second opening; the groove comprises a first groove and a second groove; the protruding part comprises a first protruding part and a second protruding part, wherein the first spring is embedded in the first groove in the first direction, and the second spring is embedded in the second groove in the first direction, the first protruding part abuts against the wavy elastic structure of the first spring in the first direction, and the second protruding part abuts against the wavy elastic structure of the second spring in the first direction.

4. The button assembly according to claim 1, wherein the floating column further has a straight slot and a trigger spring, the trigger spring being fixed to the floating column, and the intermediate column presses the trigger spring to trigger a switch in the first direction, wherein the trigger spring is annular and has an arc-shaped connecting part connected with the floating column.

5. The button assembly according to claim 4, wherein the floating column comprises a first column, a second column, a third column and a fourth column, and the trigger spring is connected with the first column, the second column, the third column and the fourth column through the arc-shaped connecting part respectively.

6. The button assembly according to claim 5, wherein the first column has a first straight slot, the second column has a second straight slot, the third column has a third straight slot, and the fourth column has a fourth straight slot.

7. The button assembly according to claim 2, wherein the limiting column of the movable baffle is inserted into the straight slot of the floating column in the second direction, and the fixed groove of the movable baffle is embedded in the cross-shaped structure of the protruding part in the second direction.

8. The button assembly according to claim 7, wherein the movable baffle comprises a first movable baffle having a first fixed groove and a second movable baffle having a second fixed groove, the first fixed groove is embedded in the first protruding part in the second direction, and the second fixed groove is embedded in the second protruding part in the second direction. ​ ​ ​ ​ ​ ​ ​ ​ 9. The button assembly of claim 8, wherein, the first movable baffle includes a first stop post and a second stop post, and the second movable baffle includes a third stop post and a fourth stop post, the first stop post is inserted into a first straight slot in the second direction, the second stop post is inserted into a second straight slot in the second direction, the third stop post is inserted into a third straight slot in the second direction, and the fourth stop post is inserted into a fourth straight slot in the second direction.

10. The button assembly of claim 5, wherein, the first upright post has a first upright post groove, the second upright post has a second upright post groove, the third upright post has a third upright post groove, and the fourth upright post has a fourth upright post groove, the button assembly further has a switch platform, the switch platform has a third protrusion, a fourth protrusion, a fifth protrusion, and a sixth protrusion, the first upright post groove, the second upright post groove, the third upright post groove, and the fourth upright post groove are respectively embedded into the third protrusion, the fourth protrusion, the fifth protrusion, and the sixth protrusion in a first direction.

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