CN216597350U

CN216597350U - Key installation component and intelligent interaction panel

Info

Publication number: CN216597350U
Application number: CN202122446434.2U
Authority: CN
Inventors: 谭景焕
Original assignee: Guangzhou Shiyuan Electronics Thecnology Co Ltd; Guangzhou Shirui Electronics Co Ltd
Current assignee: Guangzhou Shiyuan Electronics Thecnology Co Ltd; Guangzhou Shirui Electronics Co Ltd
Priority date: 2021-10-11
Filing date: 2021-10-11
Publication date: 2022-05-24
Anticipated expiration: 2031-10-11

Abstract

The utility model discloses a key installation assembly and an intelligent interaction panel, and belongs to the technical field of electronic equipment. This button installation component includes: the host body is provided with a clearance opening, a first installation part and a buckling part; the key support comprises a second mounting part and a pressing part; the second mounting part is in positioning fit with the first mounting part through a positioning assembly, and the second mounting part is clamped between the buckling part and the main machine body; the pressing part is inserted into the avoiding opening; the key board is arranged on one side of the key support, which is far away from the main machine body; the key board comprises a board body and a key switch arranged on the board body, the board body is connected with the main machine body or the key support, and the pressing part can trigger the key switch when being pressed; the intelligent interaction panel comprises the key installation assembly, and the main machine body is a rear shell or a frame. The key mounting assembly is convenient to assemble, the key support and the key plate are not easy to loosen, and the key switch can be reliably triggered; this mutual dull and stereotyped of intelligence, key switch reliability is high, can promote user to use and experience.

Description

Key installation component and intelligent interaction panel

Technical Field

The utility model relates to the technical field of electronic equipment, in particular to a key installation assembly and an intelligent interaction panel.

Background

The key switch is widely applied to electronic equipment, and when a user presses the key switch, corresponding functions can be realized. The intelligent interactive panel integrates a television technology, a computer technology, a touch technology and a sound technology to realize human-computer interaction, and is provided with a key switch to realize the functions of turning on and off the equipment and the like.

In the correlation technique, the keypad of taking key switch on the mutual dull and stereotyped of intelligence is installed earlier to the switching support, and on the switching support was fixed in the main engine body of equipment through the fixed mode of hot melt again, in addition, still generally the cover was equipped with the silica gel key cap on key switch, and the user triggered key switch through pressing the key cap.

However, in the related art, the adapter bracket is not firmly fixed and is easy to loosen, and the silica gel key cap is also easy to loosen. When the switching support is not flexible or the key cap is not flexible, the situation that the key switch is insensitive to triggering easily occurs, and the use experience is influenced.

SUMMERY OF THE UTILITY MODEL

One of the purposes of the embodiment of the utility model is as follows: the key mounting assembly is simple in structure, convenient to assemble and high in reliability of the key switch.

The second purpose of the embodiment of the utility model is: the utility model provides an interactive dull and stereotyped of intelligence, key switch's reliability is high, promotes to use and experiences.

In order to achieve one of the purposes, the utility model adopts the following technical scheme:

a key mounting assembly comprising:

the host body is provided with a avoiding opening, a first mounting part and a clamping part;

the key support comprises a second mounting part and a pressing part; the second mounting part is in positioning fit with the first mounting part through a positioning assembly, and the second mounting part is clamped between the buckling part and the main machine body; the pressing part is inserted into the avoiding opening; and the number of the first and second groups,

the key board is arranged on one side of the key support, which is far away from the main body; the keyboard comprises a keyboard body and a key switch arranged on the keyboard body, wherein the keyboard body is connected with the host body or the key support, and the pressing part can trigger the key switch when being pressed.

In order to achieve the second purpose, the utility model adopts the following technical scheme:

an intelligent interactive flat plate comprises the key installation assembly, and the main machine body is a rear shell or a frame.

The utility model has the beneficial effects that: the key mounting assembly is convenient to assemble, the stability of mounting the key support is ensured through the positioning assembly and the buckle, the key support and the key plate are not easy to loosen, and the key switch can be reliably triggered; this mutual dull and stereotyped of intelligence, key switch reliability is high, can promote user to use and experience.

Drawings

The utility model is explained in more detail below with reference to the figures and examples.

FIG. 1 is an outer side view of a key mounting assembly according to an embodiment of the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is an exploded view of an angle of the key mounting assembly according to the present invention;

FIG. 4 is an enlarged view of portion B of FIG. 3;

FIG. 5 is an exploded view of the key assembly according to another embodiment of the present invention (the main body is omitted in the figure);

FIG. 6 is a schematic structural diagram of a key holder according to an embodiment of the present invention;

fig. 7 is a schematic structural diagram of a key sheet according to an embodiment of the present invention;

fig. 8 is a schematic diagram illustrating the first mounting portion and the second mounting portion when the key holder is assembled with the main body according to the embodiment of the present invention;

FIG. 9 is a schematic diagram of an internal structure of a key mounting assembly according to an embodiment of the present invention;

in the figure: 10. a main body; 11. a substrate; 111. opening the avoiding position; 12. a first mounting portion; 121. a first positioning structure; 13. a fastening part; 131. a buckle surface; 14. fixing a column; 141. a fixing hole; 15. a limiting plate; 151. a first plate portion; 152. a second plate portion; 153. a third plate portion; 20. a key holder; 21. a pressing part; 22. a second mounting portion; 221. a second positioning structure; 222. mounting holes; 223. a step surface; 23. a spring arm; 30. a key sheet; 31. a plate body; 311. a via hole; 32. a key switch.

Detailed Description

In order to make the technical problems solved, technical solutions adopted and technical effects achieved by the present invention clearer, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, unless otherwise explicitly specified or limited, the terms "connected" and "fixed" are to be understood broadly, e.g., as being fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. "beneath," "under" and "beneath" a first feature includes the first feature being directly beneath and obliquely beneath the second feature, or simply indicating that the first feature is at a lesser elevation than the second feature.

The utility model provides a key installation component which can be applied to electronic equipment such as an intelligent interactive panel, a computer display, projection equipment and the like.

The utility model further provides an intelligent interactive panel which adopts the key installation component to realize the installation and the triggering of the key switch 32. The smart interactive tablet may be, but is not limited to, a conference tablet, a teaching tablet, a touch query kiosk, and the like.

As shown in fig. 1 to 9, in an embodiment of the smart interactive tablet of the present invention, the smart interactive tablet includes a key mounting assembly, which includes a main body 10, a key support 20 and a key pad 30, wherein the main body 10 is a rear case;

the rear shell is provided with a avoiding opening 111, a first mounting part 12 and a buckling part 13; the first mounting part 12 and the buckling part 13 are arranged on the inner side of the rear shell;

the key holder 20 includes a second mounting portion 22 and a pressing portion 21 connected to each other; the key holder 20 is mounted to the inside of the rear case;

the key board 30 is arranged on one side of the key support 20 departing from the main body 10, the key board 30 includes a board body 31 and a key switch 32, the key switch 32 is a contact switch, and the key switch 32 is triggered when being pressed;

the key installation component comprises a positioning component, wherein the positioning component comprises a first positioning structure 121 arranged on the first installation part 12 and a second positioning structure 221 arranged on the second installation part 22;

the key switch 32 in the smart interactive tablet in this embodiment is mounted to the main body 10 of the device in the following manner:

in the process of installing the key support 20, the second positioning structure 221 is matched with the first positioning structure 121, so that the installation and positioning of the second installation part 22 and the first installation part 12 are realized; the pressing part 21 is inserted into the clearance opening 111 so that a user can operate the pressing part 21 from the outside of the rear case; the second mounting part 22 is clamped between the buckling part 13 and the rear shell through the buckling part 13, so that the second mounting part 22 is buckled with the rear shell;

in the process of installing the key sheet 30, the key sheet 30 is disposed on one side of the key support 20 away from the main body 10, the key switch 32 is close to the pressing portion 21, and the plate 31 is connected with the main body 10 or the key support 20.

When the intelligent interactive tablet is used, a user presses the pressing part 21 to trigger the key switch 32, so as to trigger the on/off of the equipment, or the volume increase and decrease, or other operation functions.

In this embodiment, the key switch 32 is a contact switch, and when a user presses the pressing portion 21, the pressing portion 21 presses against the key switch 32, so as to trigger a function; when the external force applied to the pressing portion 21 is removed, the pressing portion 21 is reset, the pressing force applied to the push switch 32 is removed, and the switch is turned off.

In the key mounting assembly of the present invention, the pressing portion 21 of the key holder 20 is used for triggering the key switch 32 when pressed; the positioning assembly not only realizes the installation and positioning of the key support 20 and is convenient for installing the key support 20, but also limits the movement of the key support 20 relative to the main body 10 and realizes the installation and the limiting of the key support 20; between key support 20 and the backshell, through locating component and snap-fit, can guarantee the reliability, the stability of key support 20 installation, key support 20 is difficult to not hard up, so, guarantees that key switch 32 can reliably be triggered.

In the key mounting assembly of the present invention, when the board body 31 is directly mounted to the main body 10, the key board 30 is not easily loosened; when the board 31 is mounted to the key holder 20, the key board 30 is not easily loosened because the key holder 20 is reliably connected to the main body 10; therefore, the key switch 32 can be reliably triggered from multiple aspects, and the use experience of a user is improved.

In this embodiment, the interactive flat panel includes a display module, a frame surrounding the periphery of the display module to fix and protect the display module, and a rear shell disposed at the rear side of the display module; the display module comprises a display screen. In the utility model, for the frame and the rear shell, the direction close to the center of the display screen is the inner side of each part, and the direction far away from the center of the display screen is the outer side of each part.

In this embodiment, the rear housing is made of plastic, and can be directly processed on the plastic rear housing through an injection molding process to form the avoiding opening 111, the first mounting portion 12 and the fastening portion 13.

In other embodiments, the main body 10 may also be a frame, and the clearance opening 111 is disposed on a front surface, a bottom surface, or an outer surface of the frame.

In an embodiment of the smart interactive tablet of the present invention, the positioning component between the key-holder 20 and the back shell is configured as follows:

the first positioning structures 121 are positioning ribs, the second positioning structures 221 are positioning grooves, and when the key support 20 is installed, the positioning ribs are clamped into the positioning grooves, so that the installation, the positioning and the limiting of the key support 20 are realized.

In other embodiments, the first positioning structure 121 can also be a positioning groove, and correspondingly, the second positioning structure 221 is a positioning rib.

In an embodiment of the smart interactive tablet of the present invention, as shown in fig. 4 and 9, the rear shell is arranged in the following manner to realize the fastening and fixing of the fastening portion 13 to the key holder 20:

the rear shell comprises a base plate 11, a first mounting part 12 is arranged on the inner side surface of the base plate 11 and protrudes relative to the base plate 11, and a buckling part 13 is connected with one side of the first mounting part 12, which is far away from the base plate 11;

the buckling part 13 is connected with one end of the first mounting part 12, which is far away from the base plate 11, the buckling part 13 protrudes relative to the mounting column in the radial direction of the first mounting part 12, and a buckling surface 131 is formed on one side, which is close to the base plate 11, of the buckling part 13; the fastening surface 131 abuts against a side of the second mounting portion 22 away from the substrate 11 to press the second mounting portion 22 against the substrate 11.

In this embodiment, the fastening portion 13 has elasticity, so as to realize the fastening engagement between the fastening portion 13 and the second mounting portion 22.

In this embodiment, at least two fastening portions 13 are connected to the first mounting portion 12, so as to fix the same second mounting portion 22 through at least two fastening portions 13. As shown in fig. 9, in the radial direction, at least two latching portions 13 are disposed at intervals to connect with the first mounting portion 12, and at least two latching surfaces 131 are pressed against different positions of the second mounting portion 22, so as to reliably fix the second mounting portion 22.

In an embodiment of the intelligent interactive tablet of the present invention, in order to achieve reliable limit of the key holder 20, at least two first mounting portions 12 are disposed on the rear case, correspondingly, at least two second mounting portions 22 are disposed on the key holder 20, and when the key holder 20 is mounted, the second mounting portions 22 correspond to the first mounting portions 12 one by one; the positioning ribs are correspondingly matched with the positioning grooves one by one to limit the displacement of the key support 20 in the first plane. The installation and matching are carried out through at least two groups of installation components, the installation stability of the key support 20 can be improved, the looseness is not easy to occur, and each group of installation components comprise a first installation part 12, a second installation part 22 and a positioning component.

In this embodiment, in order to prevent the key holder 20 from being mounted and fooled, the positioning ribs are configured in the following manner:

the first positioning structures 121 are positioning ribs, and the extending directions of the positioning ribs on different first mounting portions 12 in the radial direction of the first mounting portions 12 are different, that is, the extending lines of the positioning ribs on different first mounting portions 12 in the radial direction of the first mounting portions 12 intersect; as shown in fig. 8, the dotted lines indicate the extending direction of the positioning ribs in the radial direction of the first mounting portion 12; correspondingly, the extending directions of the positioning grooves of the second mounting part 22 in the radial direction of the second mounting part 22 are different so as to match with the positioning ribs.

The positioning ribs are arranged in the mode of the embodiment, so that the mounting fool-proofing of the key support 20 can be realized, and the pressing part 21 is mounted at a preset angle and is mounted in the avoidance opening 111.

As shown in fig. 8, when the rear housing is provided with two first mounting portions 12, the positioning rib on one first mounting portion 12 is vertically arranged, and is obliquely arranged with the positioning rib on the other first mounting portion 12, correspondingly, the key holder 20 is provided with two second mounting portions 22, the positioning groove on one second mounting portion 22 is vertically arranged, and the positioning groove on the other second mounting portion 22 is obliquely arranged.

So set up, can guarantee in the picture that left side second installation department 22 and the installation cooperation of the first installation department 12 in left side, the second installation department 22 on right side and the first installation department 12 installation cooperation on right side, the location rib of vertical setting and the constant head tank joint cooperation of vertical setting, the location rib that the slope set up and the constant head tank joint cooperation that the slope set up, through different location rib orientation difference, realize that the installation prevents staying.

If when installing key support 20, key support 20 installation angle is incorrect, then can lead to vertical location rib relative with the constant head tank of slope, and unable location rib cooperates with the joint of constant head tank, and key support 20 can't be installed to avoid key support 20 to adorn conversely.

In some embodiments, the design of the outside surface of the mutual dull and stereotyped backshell of intelligence has the cambered surface molding, in order to match with the cambered surface molding, need press the outside surface of splenium 21 at key support 20 and also design the cambered surface molding correspondingly, so, have the requirement to pressing the installation angle of splenium 21 when key support 20 installs, need make the outside surface molding of splenium 21 link up with the outside surface molding phase-match of backshell mutually, through the location rib orientation difference, can guarantee that key support 20's installation angle is accurate.

In other embodiments, to provide fool-proofing for the installation of the key-holder 20, the positioning ribs are configured as follows:

the second positioning structures 221 are positioning ribs, and the extending directions of the positioning ribs on different second mounting portions 22 in the radial direction of the second mounting portions 22 are different, that is, the extending lines of the positioning ribs on different second mounting portions 22 in the radial direction of the second mounting portions 22 intersect; as shown in fig. 8, the dotted lines indicate the extending direction of the positioning ribs in the radial direction of the second mounting portion 22; correspondingly, the extending directions of the positioning grooves of the first mounting part 12 in the radial direction of the first mounting part 12 are different so as to match with the positioning ribs.

In an embodiment of the smart interactive tablet of the present invention, as shown in fig. 4, 6, and 8, the first mounting portion 12 and the second mounting portion 22 are arranged in the following manner, so that the positioning rib and the positioning groove can be smoothly clamped:

the first mounting portion 12 is a mounting column, and the first positioning structure 121 is a positioning rib protruding in the radial direction relative to the outer side surface of the mounting column; the buckling part 13 is connected with one end of the mounting column, which is far away from the rear shell substrate 11;

correspondingly, the second mounting portion 22 is provided with a mounting hole 222, and the second positioning structure 221 is a positioning groove recessed relative to the hole wall of the mounting hole 222 in the radial direction;

when installing key support 20, the mounting post inserts mounting hole 222, and the mounting post male in-process, buckling part 13 is by second installation department 22 to mounting post central axis direction extrusion deformation, and the location rib is to inserting with the constant head tank, when key support 20 installed in place, acts on the radial extrusion force of buckling part 13 and cancels, has elastic buckling part 13 and resets, and buckle face 131 butt second installation department 22 deviates from one side of base plate 11, realizes the lock.

So, insert mounting hole 222 through the erection column, can realize key support 20's installation location, when the erection column inserted mounting hole 222, can realize location rib and constant head tank location cooperation, key support 20's simple to operate.

In this embodiment, the mounting hole 222 is a counter bore, a step surface 223 is further formed in the mounting hole 222, and one end of the mounting column, which is away from the substrate 11, abuts against the step surface 223, so that the mounting column and the mounting hole 222 are positioned in an opposite insertion manner.

In other embodiments, the first mounting portion 12 may be provided with a mounting hole 222, the inner wall of the mounting hole 222 is provided with a positioning groove, correspondingly, the second mounting portion 22 is a mounting column, and the outer wall of the mounting column is provided with a positioning rib.

In an embodiment of the intelligent interactive tablet of the present invention, the plate body 31 is connected to the rear shell through a fastener, so as to realize relative fixation between the key board 30 and the rear shell, thereby ensuring the firmness of the installation of the key board 30.

In this embodiment, as shown in fig. 4, 5, and 7 to 9, the rear shell is provided with at least two fixing posts 14 arranged at intervals, and the plate 31 is connected with the fixing posts 14 by fasteners.

In this embodiment, the opposite ends of the plate 31 are connected to the fixing posts 14 by fasteners, respectively.

In this embodiment, the fixing post 14 is provided with a fixing hole 141, the fastening member is a screw, the opposite ends of the board body 31 are provided with through holes 311, and the screw passes through the through hole 311 and is in threaded connection with the fixing hole 141, so as to implement the installation of the key board 30.

In other embodiments, the fastener may be connected to the anchor post 14 by riveting or the like.

In this embodiment, the key sheet 30 is fixed by the fastener, so that the key sheet 30 can be fixed more firmly, and the key sheet 30 also plays a role in limiting the movement of the key holder 20.

In an embodiment of the intelligent interactive tablet according to the present invention, as shown in fig. 4 and 9, in order to avoid loosening of the key board 30, the limiting plate 15 is disposed on the rear casing, and the limiting plate 15 abuts against the circumferential side wall of the board body 31 to limit the movement of the key board 30 in a first plane, which is a plane parallel to the board body 31.

In this embodiment, the plate 31 is fixed to the fixing post 14 by a fastening member, and on this basis, the limiting plate 15 is used to reinforce the movement of the key sheet 30 in the lateral direction, so as to enhance the reliability of the installation of the key sheet 30, and the key sheet 30 is not easy to loosen.

In the present embodiment, as shown in fig. 9, the position-limiting plate 15 includes a first plate portion 151, a second plate portion 152, and a third plate portion 153 connected in sequence, the cross-sectional shape of the position-limiting plate 15 is approximately "Jiong", and a position-limiting concave portion is formed between the first plate portion 151, the second plate portion 152, and the third plate portion 153;

first board 151 offsets with the ascending one end of plate body 31 width direction, third board 153 offsets with the ascending other end of plate body 31 width direction, second board 152 offsets with the ascending one end of plate body 31 length direction, and thus, when installing keypad 30, the spacing concave part of limiting plate 15 is inserted to the one end of plate body 31, realize the installation location of keypad 30 through limiting plate 15, be convenient for install keypad 30, and restrict the rotation of rectangular shape keypad 30, guarantee the stability of keypad 30 installation, avoid keypad 30 not hard up.

In this embodiment, the limiting plate 15 is a rib.

In other embodiments, the limiting plates 15 may be respectively disposed on the lateral sides of the plate body 31 in the width direction and the lateral sides of the plate body 31 in the length direction, and the limiting plates 15 may also be flat plates as long as the limiting plates 15 can limit the plate body 31 to move sideways.

In an embodiment of the smart interactive tablet of the present invention, in order to realize the reset after the pressing part 21 is pressed, the key holder 20 is configured as follows:

the key support 20 comprises an elastic arm 23, one end of the elastic arm 23 is connected with the pressing part 21, the other end of the elastic arm 23 is connected with the second mounting part 22, and the elastic arm 23 has elasticity; when the pressing portion 21 is pressed, the elastic arm 23 is deformed, and when the elastic arm 23 is deformed, an elastic force is accumulated, and the pressing portion 21 has a tendency to move and reset in a direction away from the key switch 32 after being pressed by the elastic force.

In an embodiment of the intelligent interactive tablet of the present invention, the second mounting portion 22, the pressing portion 21 and the elastic arm 23 are made of plastic materials with certain elasticity.

In other embodiments, the material of the elastic arm 23, the pressing portion 21, and the second mounting portion 22 may be different.

In the description herein, it is to be understood that the terms "upper", "lower", "left", "right", and the like are used in an orientation or positional relationship based on that shown in the drawings, and are used for convenience of description and simplicity of operation only, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used merely for descriptive purposes and are not intended to have any special meaning.

In the description herein, references to the description of "an embodiment," "an example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be appropriately combined to form other embodiments as will be appreciated by those skilled in the art.

The technical principle of the present invention is described above in connection with specific embodiments. The description is made for the purpose of illustrating the principles of the utility model and should not be construed in any way as limiting the scope of the utility model. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without inventive effort, which would fall within the scope of the present invention.

Claims

1. A key mounting assembly comprising:

a main body (10) provided with a clearance opening (111), a first mounting part (12) and a buckling part (13);

a key holder (20) including a second mounting portion (22) and a pressing portion (21); the second installation part (22) is in positioning fit with the first installation part (12) through a positioning assembly, and the second installation part (22) is clamped between the buckling part (13) and the main machine body (10); the pressing part (21) is inserted into the avoiding opening (111); and the number of the first and second groups,

the key board (30) is arranged on one side, away from the main body (10), of the key support (20); the key board (30) comprises a board body (31) and a key switch (32) arranged on the board body (31), the board body (31) is connected with the main machine body (10) or the key support (20), and the pressing part (21) can trigger the key switch (32) when pressed.

2. The key mounting assembly according to claim 1, wherein the key holder (20) comprises a resilient arm (23), the second mounting portion (22) being connected to the pressing portion (21) via the resilient arm (23); the elastic arm (23) is used for providing elastic force for the pressing part (21), and the elastic force enables the pressing part (21) to have the tendency of resetting after being pressed.

3. The key mounting assembly of claim 1, wherein the alignment assembly includes a first alignment structure (121) disposed on the first mounting portion (12), and a second alignment structure (221) disposed on the second mounting portion (22);

the first positioning structure (121) is a positioning rib and the second positioning structure (221) is a positioning groove, or the first positioning structure (121) is a positioning groove and the second positioning structure (221) is a positioning rib; the positioning ribs are clamped into the positioning grooves.

4. The key mounting assembly according to claim 1, wherein said main body (10) includes a base plate (11), said first mounting portion (12) being provided on said base plate (11) and protruding with respect to said base plate (11); the buckling part (13) is connected with one end of the first mounting part (12) departing from the base plate (11), and a buckling surface (131) is formed on one side, close to the base plate (11), of the buckling part (13); the buckling surface (131) is abutted to one side, deviating from the substrate (11), of the second installation part (22), so that the second installation part (22) is pressed on the substrate (11).

5. The key mounting assembly according to claim 3, wherein the main body (10) is provided with at least two first mounting portions (12), the key holder (20) is provided with at least two second mounting portions (22), and the second mounting portions (22) are correspondingly engaged with the first mounting portions (12) one to one.

6. A key mounting assembly according to claim 5, wherein when said first positioning structure (121) is a positioning rib, the positioning rib on different said first mounting portions (12) has a different direction of extension in the radial direction of said first mounting portions (12);

when the second positioning structure (221) is a positioning rib, the extending directions of the positioning rib on the second mounting part (22) in the radial direction of the second mounting part (22) are different.

7. A key mounting assembly according to claim 3, wherein said first mounting portion (12) is a mounting post and said first locating formation (121) is a locating rib projecting in a radial direction relative to an outer side of said mounting post; the second mounting part (22) is provided with a mounting hole (222), and the second positioning structure (221) is a positioning groove which is recessed relative to the hole wall of the mounting hole (222) in the radial direction;

the mounting posts are inserted into the mounting holes (222), and the positioning ribs are inserted into the positioning grooves to limit displacement of the key holder (20) in a radial direction of the mounting posts.

8. A key mounting assembly according to any of claims 1-7, wherein said main body (10) is provided with at least two spaced apart fixing posts (14); the plate body (31) is connected with the fixing column (14) through a fastener.

9. A key mounting assembly according to any of claims 1-7, characterized in that the main body (10) is provided with a limiting plate (15), said limiting plate (15) abutting the peripheral side wall of the plate body (31) to limit the movement of the plate body (31).

10. The key mounting assembly according to claim 9, wherein the stopper plate (15) includes a first plate portion (151), a second plate portion (152), and a third plate portion (153), the first plate portion (151) abuts against one end of the plate body (31) in the width direction, the third plate portion (153) abuts against the other end of the plate body (31) in the width direction, and the second plate portion (152) abuts against one end of the plate body (31) in the length direction; the limiting plate (15) limits the rotation of the key plate (30).

11. An intelligent interactive tablet, comprising a key mounting assembly according to any one of claims 1 to 9, wherein the main body (10) is a rear housing or a bezel.