CN217426606U - Terminal device - Google Patents

Abstract

The application relates to the technical field of electronics, and specifically provides a terminal device. This terminal equipment is including having the casing that holds the chamber, locating circuit board and the button subassembly in the casing, and the button subassembly includes link gear and button, is equipped with the intercommunication on the casing and holds the chamber, is used for installing the mounting hole of button, and the circuit board is equipped with the switch contact, and the one end that the chamber was held in stretching into to the button is equipped with the butt portion that switches on with switch contact butt. The link gear has first axostylus axostyle and the second axostylus axostyle of connecting including rotating, the both ends of button are connected respectively to the one end that first axostylus axostyle and second axostylus axostyle kept away from each other, when the one end atress of button, the stress end of button drives first axostylus axostyle and the removal of the two of second axostylus axostyle, another other end atress that drives the butt section of the two removes, make the both ends of button remove simultaneously with butt switch contact, avoid pressing the stroke too deeply, solve and press the button tip and appear button deformation easily or press the noninduction, the technical problem of feelings.

Description

Terminal device

Technical Field

The application relates to the technical field of electronics, in particular to a terminal device.

Background

In the related art, the intelligent terminal is provided with a key, the key is a power key for switching on and off or a volume key, the existing key is installed in a side edge mode, and then a side key limiting and pressing installation part is installed. When the segment key is pressed, the key is in pressing contact with the internal contact switch, so that the circuit is conducted, and the starting/shutdown action is completed.

In the course of conceiving and implementing the present application, the inventors found that at least the following problems existed: when the key is limited by the side key limiting and pressing mounting part, the key can shake and deflect when the gap between the key and the contact switch is too large; when the gap is too small, the side key is easily weak and insensitive. And along with the development of intelligent many terminals, in order to satisfy the fingerprint in step and type the function, intelligent terminal's button needs to do greatly, and button length increases promptly, when pressing the button and keeping away from middle both sides position, because the fulcrum is in the intermediate position, press the both ends of button and appear pressing the stroke very easily and lead to button deformation, or noninductive, feeble scheduling problem.

The foregoing description is provided for general background information and is not admitted to be prior art.

SUMMERY OF THE UTILITY MODEL

To the technical problem, the application provides a terminal device, and aims to solve the technical problem that button deformation or pressing noninductivity and weakness easily occur when the end part of a button is pressed.

In order to solve the above technical problem, the present application provides a terminal device, where the terminal device includes:

the shell is provided with a containing cavity and a mounting hole communicated with the containing cavity;

the circuit board is arranged in the cavity, and a switch contact is arranged on the circuit board corresponding to the mounting hole;

the button assembly comprises a button and a linkage mechanism, the button is movably arranged in the mounting hole in a penetrating mode, the button corresponds to the switch contact and is provided with a butting portion, the linkage mechanism comprises a first shaft rod and a second shaft rod which are arranged in the containing cavity, one end of the first shaft rod is connected with one end of the second shaft rod in a rotating mode, and the two ends of the button are respectively connected with one end, far away from each other, of the first shaft rod and the second shaft rod.

Optionally, the linkage mechanism comprises:

the installation piece is arranged in the cavity, and the key and the switch contact are respectively positioned on two sides of the installation piece;

the first limiting piece is arranged on the mounting piece, and the middle part of the first shaft rod is rotatably sleeved on the first limiting piece;

the second limiting part is arranged on the mounting part and is arranged at an interval with the first limiting part, the second limiting part is rotatably sleeved in the middle of the second shaft rod, and the rotating joint of the first shaft rod and the second shaft rod is positioned between the first limiting part and the second limiting part.

Optionally, the first limiting member and the second limiting member are detachably connected to the mounting member respectively;

and/or the first limiting part and the second limiting part and the mounting part are arranged in an integrated structure, and the linkage mechanism further comprises two fasteners, wherein the two fasteners are respectively arranged at one ends of the first limiting part and the second limiting part, which are far away from the mounting part, so as to connect the first shaft rod and the second shaft rod on the mounting part.

Optionally, the mount comprises:

the mounting plate is arranged on the inner wall of the containing cavity, and the first limiting piece and the second limiting piece are respectively arranged on the mounting plate; and

the two supporting plates are respectively arranged at two ends of the mounting plate and enclose with the mounting plate and the inner wall of the accommodating cavity to form an avoiding space, the first shaft lever and the second shaft lever are movably arranged in the avoiding space, and the abutting part penetrates through the avoiding space to abut against the switch contact.

Optionally, a stopping portion is disposed on one side of the mounting plate facing the switch contact, and the stopping portion is used for limiting a rotation connection position of the first shaft rod and the second shaft rod.

Optionally, the key includes:

the pressing section is convexly displayed outside the mounting hole;

the butt joint section is arranged on one side, facing the accommodating cavity, of the pressing section, the butt joint section is arranged on one side, away from the pressing section, of the butt joint section, and the two ends of the butt joint section are detachably connected with the two end portions, away from each other, of the first shaft rod and the second shaft rod respectively.

Optionally, a first clamping groove and a second clamping groove are respectively arranged at two ends of the abutting section, and the abutting section is located between the first clamping groove and the second clamping groove;

the first shaft rod is provided with a first clamping hook corresponding to the first clamping groove, and the first clamping hook is movably arranged in the first clamping groove;

and a second clamping hook is arranged on the second shaft rod corresponding to the second clamping groove, and the second clamping hook is arranged in the second clamping groove.

Optionally, the linkage mechanism further includes a coupling member, two ends of the coupling member are respectively connected to the first shaft rod and the second shaft rod, and the coupling member is rotatably connected to at least one of the first shaft rod and the second shaft rod.

Optionally, one end of the first shaft rod is provided with a first rotating portion, one end of the second shaft rod is provided with a second rotating portion, and the first rotating portion is engaged with the second rotating portion.

Optionally, the first shaft includes a first rod body and a first slider, one end of the first rod body is connected to the key, and the other end of the first rod body is slidably connected to the first slider;

the second shaft lever comprises a second lever body and a second sliding block, one end of the second lever body is connected with the key, the other end of the second lever body is connected with the second sliding block in a sliding mode, and the first sliding block is connected with the second sliding block in a rotating mode.

The utility model discloses technical scheme is through adopting the link gear that can drive button moving as a whole, and the technical problem of button deformation or pressing noninductive, feeble appears easily in the button tip is pressed in effective solution. The terminal equipment comprises a shell with an accommodating cavity, a circuit board and a key assembly, wherein the circuit board and the key assembly are arranged in the shell, the key assembly comprises a linkage mechanism and a key, a mounting hole which is used for mounting the key and is communicated with the accommodating cavity is formed in the shell, the circuit board is provided with a switch contact, and one end, extending into the accommodating cavity, of the key is provided with a butting part which is connected with the switch contact in a butting mode. The link gear has first axostylus axostyle and the second axostylus axostyle of connecting including rotating, the both ends of button are connected respectively to the one end that first axostylus axostyle and second axostylus axostyle kept away from each other, when the one end atress of button, the stress end of button drives first axostylus axostyle and the removal of the two of second axostylus axostyle, another other end atress that drives the butt section of the two removes, make the both ends of button remove simultaneously with butt switch contact, avoid pressing the stroke too deeply, solve and press the button tip and appear button deformation easily or press the noninduction, the technical problem of feelings.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the application and, together with the description, serve to explain the principles of the application. In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

Fig. 1 is a schematic view of a whole structure of a terminal device according to an embodiment of the present disclosure;

fig. 2 is a schematic internal partial structure diagram of another terminal device according to an embodiment of the present application;

FIG. 3 is an enlarged view of the portion M in FIG. 2;

fig. 4 is a schematic cross-sectional perspective structure diagram of a terminal device according to an embodiment of the present application;

FIG. 5 is an enlarged view of portion Q of FIG. 4;

fig. 6 is a schematic view of a matching structure of a key and a link mechanism of a terminal device according to an embodiment of the present disclosure;

fig. 7 is an exploded structural diagram of a linkage mechanism of a terminal device according to an embodiment of the present disclosure;

fig. 8 is a schematic view of a stress structure of a terminal device according to an embodiment of the present disclosure when a skywide key is pressed;

fig. 9 is a schematic structural diagram of a terminal device according to an embodiment of the present application after a skywide key is pressed;

fig. 10 is a schematic diagram of a force structure of a terminal device according to an embodiment of the present disclosure when a ground side key is pressed;

fig. 11 is a schematic structural diagram of a terminal device according to an embodiment of the present application after a ground-side key is pressed;

fig. 12 is a schematic diagram of a structure of a terminal device according to an embodiment of the present application when a key is pressed;

fig. 13 is a schematic structural diagram of a terminal device according to an embodiment of the present application after pressing a key.

The reference numbers illustrate:

the implementation, functional features and advantages of the objectives of the present application will be further explained with reference to the accompanying drawings. With the above figures, there are shown specific embodiments of the present application, which will be described in more detail below. These drawings and written description are not intended to limit the scope of the inventive concepts in any manner, but rather to illustrate the inventive concepts to those skilled in the art by reference to specific embodiments.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present application, as detailed in the appended claims.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, the recitation of an element by the phrase "comprising an … …" does not exclude the presence of additional like elements in the process, method, article, or apparatus that comprises the element, and further, where similarly-named elements, features, or elements in different embodiments of the disclosure may have the same meaning, or may have different meanings, that particular meaning should be determined by their interpretation in the embodiment or further by context with the embodiment.

It should be understood that although the terms first, second, third, etc. may be used herein to describe various information, such information should not be limited to these terms. These terms are only used to distinguish one type of information from another. For example, first information may also be referred to as second information, and similarly, second information may also be referred to as first information, without departing from the scope herein. The word "if" as used herein may be interpreted as "at … …" or "when … …" or "in response to a determination", depending on the context. Also, as used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context indicates otherwise. It will be further understood that the terms "comprises," "comprising," "includes" and/or "including," when used in this specification, specify the presence of stated features, steps, operations, elements, components, items, species, and/or groups, but do not preclude the presence, or addition of one or more other features, steps, operations, elements, components, items, species, and/or groups thereof. The terms "or," "and/or," "including at least one of the following," and the like, as used herein, are to be construed as inclusive or mean any one or any combination. An exception to this definition will occur only when a combination of elements, functions, steps or operations are inherently mutually exclusive in some way.

The words "if", as used herein, may be interpreted as "at … …" or "at … …" or "in response to a determination" or "in response to a detection", depending on the context. Similarly, the phrases "if determined" or "if detected (a stated condition or event)" may be interpreted as "when determined" or "in response to a determination" or "when detected (a stated condition or event)" or "in response to a detection (a stated condition or event)", depending on the context.

It should be understood that the specific embodiments described herein are merely illustrative of and not restrictive on the broad application.

In the following description, suffixes such as "module", "component", or "unit" used to denote elements are used only for the convenience of description of the present application, and have no specific meaning in themselves. Thus, "module", "component" or "unit" may be used mixedly.

Referring to fig. 1 to 13, fig. 1 is a schematic diagram of a whole structure of a terminal device 100 according to an embodiment of the present disclosure; fig. 2 is a schematic internal partial structure diagram of another terminal device 100 according to an embodiment of the present application; FIG. 3 is an enlarged view of the portion M in FIG. 2; fig. 4 is a schematic cross-sectional perspective view of a terminal device 100 according to an embodiment of the present application; FIG. 5 is an enlarged view of portion Q of FIG. 4; fig. 6 is a schematic structural diagram of a structure of the terminal device 100 according to the embodiment of the present disclosure, in which the key 50 is engaged with the linkage mechanism 30;

fig. 7 is an exploded view of the linkage mechanism 30 of the terminal device 100 according to the embodiment of the present disclosure; fig. 8 is a schematic diagram of a force structure when the top-side key 511 of the terminal device 100 is pressed according to the embodiment of the present application;

fig. 9 is a schematic structural diagram of a terminal device 100 according to an embodiment of the present application after pressing the skywide key 511;

fig. 10 is a schematic diagram of a force-receiving structure when the ground side key 512 of the terminal device 100 is pressed according to an embodiment of the present application; fig. 11 is a schematic structural diagram of a terminal device 100 according to an embodiment of the present disclosure after pressing a ground side key 512; fig. 12 is a schematic diagram illustrating structural stress when a key 513 is pressed in the terminal device 100 according to an embodiment of the present application; fig. 13 is a schematic structural diagram of a terminal device 100 according to an embodiment of the present disclosure after pressing key 513.

Referring to fig. 1 to 5, the utility model provides a terminal device 100, terminal device 100 includes a housing 10, a circuit board and a key 50 assembly, housing 10 is equipped with a mounting hole 10B that holds chamber 10A and communicates and hold chamber 10A, the circuit board is located in holding chamber 10A, the circuit board corresponds mounting hole 10B and is equipped with switch contact 20, key 50 assembly includes a key 50 and a link gear 30, key 50 activity wears to locate mounting hole 10B, key 50 corresponds switch contact 20 and is equipped with butt portion 521, link gear 30 includes first axostylus axostyle 31 and second axostylus axostyle 32 that locate in holding chamber 10A, one end of first axostylus axostyle 31 rotates with one end of second axostylus axostyle 32 to be connected, the both ends of key 50 are connected respectively to the one end that first axostylus axostyle 31 and second axostylus axostyle 32 kept away from each other; one end of the key 50 is forced to drive one of the first shaft 31 and the second shaft 32 to move, and the other end of the key 50 is forced to move, so that the two ends of the key 50 move simultaneously, and the abutting portion 521 abuts against the switch contact 20.

The utility model discloses technical scheme is through adopting the link gear 30 that can drive 50 moving as a whole of button, effectively solves to press the button 50 tip and appears button 50 deformation easily or press the technical problem of noninductive, feeble. The terminal device 100 includes a housing 10 having a cavity 10A, a circuit board and a key 50 assembly arranged in the housing 10, the key 50 assembly includes a linkage mechanism 30 and a key 50, the housing 10 is provided with a mounting hole 10B for communicating the cavity 10A and mounting the key 50, the circuit board is provided with a switch contact 20, and one end of the key 50 extending into the cavity 10A is provided with an abutting portion 521 abutted and conducted with the switch contact 20. The linkage mechanism 30 comprises a first shaft lever 31 and a second shaft lever 32 which are connected in a rotating mode, one end, far away from each other, of each of the first shaft lever 31 and the second shaft lever 32 is connected with two ends of the key 50 respectively, when one end of the key 50 is stressed, the stressed end of the key 50 drives one of the first shaft lever 31 and the second shaft lever 32 to move, the other end of the first shaft lever and the other end of the second shaft lever drive the other end of the abutting section 52 to move in a stressed mode, the two ends of the key 50 are enabled to move simultaneously to abut against the switch contact 20, the pressing stroke is prevented from being too deep, and the technical problem that the key 50 is prone to deformation or pressing sense and weakness when the end portion of the key 50 is pressed is solved.

It can be understood that the housing 10 includes a front shell, a middle frame and a rear shell, the mounting hole 10B is opened at a side edge of the middle frame, the key 50 is inserted into the mounting hole 10B, and an abutting portion 521 conducted with the switch contact 20 is disposed at one side of the key 50 extending into the accommodating cavity 10A. The circuit board is including main control board and the power strip of electricity connection, and the main control board is located and is held the chamber 10A, and the main control board is walked to button subassembly department through flexible line way board, and switch contact 20 is located the one end that the main control board is kept away from to flexible line way board to draw switch contact 20 through flexible line way board and connect to the position department that holds corresponding mounting hole 10B in the chamber 10A, press down button 50 and make butt portion 521 and switch contact 20 switch-on, realize the function of button 50 control.

Optionally, the key 50 includes a pressing section 51 and an abutting section 52, the pressing section 51 protrudes out of the mounting hole 10B; the abutting section 52 is arranged on one side of the pressing section 51 facing the cavity 10A, an abutting part 521 is arranged on one side of the abutting section 52 away from the pressing section 51, and two ends of the abutting section 52 are detachably connected with two ends of the first shaft rod 31 and the second shaft rod 32 which are away from each other.

In this embodiment, the abutting section 52 is a side of the key 50 extending into the cavity 10A, an abutting portion 521 is disposed on a side of the abutting section 52 opposite to the pressing section 51 corresponding to the switch contact 20, the linkage mechanism 30 is disposed in the cavity 10A, and the first shaft rod 31 and the second shaft rod 32 of the linkage mechanism 30 are respectively connected to two ends of the abutting section 52. In the use of the terminal device 100, a power key provided at a side portion of the mobile phone is taken as an example, and the power key is the key 50. The pressing section 51 of the key 50 can be divided into a top side key 511, a middle key 513 and a bottom side key 512 according to the vertical direction of the mobile phone, wherein the end of the top side key 511 corresponding to the abutting section 52 is connected with the first shaft 31, and the end of the bottom side key 512 corresponding to the abutting section 52 is connected with the second shaft 32.

As shown by referring to fig. 12 and 13 in combination, when the key 513 is pressed by the force F3, the two ends of the abutting section 52 are pressed to move synchronously, so that the key 50 is pressed to move integrally, the first shaft rod 31 and the second shaft rod 32 connected with the abutting section 52 rotate synchronously, and at this time, the abutting part 521 abuts directly against the switch contact 20 to trigger the control function of the key 50.

Referring to fig. 8 and 9, when the front-side key 511 is pressed by the force F1, the first shaft 31 receives the pressing stroke of the abutting section 52, and drives the end of the first shaft 31 away from the second shaft 32 to incline toward the cavity 10A, the first shaft 31 is rotatably connected to the second shaft 32, so that the second shaft 32 rotates along with the movement of the first shaft 31, namely, the end of the second shaft 32 far away from the first shaft 31 generates displacement which is in the same direction and has a distance with the first shaft 31, and the abutting section 52 of the second shaft 32 is connected with the corresponding end of the side key 512, the ground side key 512 is pulled by the second shaft rod 32 to generate displacement, so that one end of the top side key 511 is forced to synchronously drive the ground side key 512 to move, the key 50 is integrally pressed and moved, so that the problem that the pressing stroke is too deep due to the pressing of one end of the key 50 is avoided, and the problem that the function of the key 50 cannot be triggered due to the pressing is also avoided. When the key 50 is pressed and moved integrally, the abutting part 521 is abutted and conducted with the switch contact 20, a user obviously perceives the pressing touch feeling of the key 50, the technical problem that the pressing stroke of the key 50 is too deep or the key is not pressed and is weak is solved, and the triggering sensitivity and the effectiveness of the key 50 are improved.

When the ground key 512 is pressed by a force F2 as shown in fig. 10 and 11, the second shaft 32 bears the pressing stroke of the abutting section 52, and drives the end of the second shaft 32 away from the first shaft 31 to be inclined toward the cavity 10A, the first shaft 31 is rotatably connected to the second shaft 32, so that the first shaft 31 rotates with the movement of the second shaft 32, i.e. at the end of the first shaft 31 remote from the second shaft 32 a displacement is produced which is co-directional and at a distance from the second shaft 32, and the end of the first shaft 31 is connected with the corresponding abutting section 52 of the top key 511, the top side key 511 is pulled by the first shaft 31 to displace, so that the force applied to one end of the bottom side key 512 can synchronously drive the top side key 511 to move, the whole key 50 is pressed and moved, the problem that one end of the key 50 is pressed to cause too deep pressing stroke is avoided, and meanwhile the problem that the function of the key 50 cannot be triggered due to pressing is also avoided.

It can be understood that, the linkage mechanism 30 enables the control function of the key 50 to be effectively triggered no matter the top side key 511 or the bottom side key 512 of the key 50 is pressed, the condition that one end of the key 50 is pressed and the other end of the key 50 is tilted is avoided, the risk of deformation of the key 50 is reduced, and the service life of the key 50 is prolonged.

In the linkage mechanism 30, the first shaft 31 and the second shaft 32 may be connected in a plurality of ways:

firstly, the joint of the first shaft lever 31 and the second shaft lever 32 is taken as the relative rotation center of the first shaft lever 31 and the second shaft lever 32, that is, the joint of the first shaft lever 31 and the second shaft lever 32 is relatively fixed, at this time, the joint of the first shaft lever 31 and the second shaft lever 32 is engaged and connected, so that the mutually distant ends of the first shaft lever 31 and the second shaft lever 32 move in the same direction to drive the key 50 to move integrally, so that the abutting part 521 effectively triggers the switch contact 20, and the reliability of control of the key 50 is improved;

secondly, the first shaft lever 31 and the second shaft lever 32 respectively have their own rotation centers, and the rotation centers are located between two ends of any shaft lever, wherein the connection point of the first shaft lever 31 and the second shaft lever 32 is located between the two rotation centers, and the connection point moves and displaces along with the rotation, which is specifically referred to the following embodiments.

Referring to fig. 6, optionally, the linkage mechanism 30 includes a mounting member 33, a first limiting member 34 and a second limiting member 35, the mounting member 33 is disposed in the cavity 10A, and the key 50 and the switch contact 20 are respectively located at two sides of the mounting member 33; the first limiting member 34 is disposed on the mounting member 33, the first limiting member 34 is rotatably sleeved in the middle of the first shaft 31, the second limiting member 35 is disposed on the mounting member 33 and spaced from the first limiting member 34, the second limiting member 35 is rotatably sleeved in the middle of the second shaft 32, and the rotational connection between the first shaft 31 and the second shaft 32 is located between the first limiting member 34 and the second limiting member 35.

In this embodiment, the mounting member 33 is disposed in the cavity 10A, the first limiting member 34 and the second limiting member 35 are respectively configured to rotatably connect the first shaft rod 31 and the second shaft rod 32 with the mounting member 33, wherein the first shaft rod 31 and the second shaft rod 32 are respectively provided with a shaft hole 30B, the first limiting member 34 passes through the shaft hole 30B of the first shaft rod 31 and then is connected with the mounting member 33, so as to rotatably connect the first shaft rod 31 with the mounting member 33, and a rotation center is a setting position of the first limiting member 34; the second limiting member 35 passes through the shaft hole 30B of the second shaft 32 and then is connected to the mounting member 33, so that the second shaft 32 is rotatably connected to the mounting member 33, and the rotation center is a set position of the second limiting member 35.

When the top side key 511 of the key 50 applies a force, the first shaft lever 31 rotates around the first limiting member 34, and one end of the first shaft lever 31 connected with the abutting section 52 moves in the same direction as the top side key 511, so that one end of the first shaft lever 31 connected with the second shaft lever 32 moves in the opposite direction to the top side key 511, and it is doubtful that the end of the second shaft lever 32 connected with the first shaft lever 31 moves in the opposite direction to the top side key 511, and because the second shaft lever 32 rotates around the second limiting member 35, one end of the second shaft lever 32 connected with the abutting section 52 moves in the same direction to the top side key 511, so as to drive the ground side key 512 and the top side key 511 to move in the same direction, thereby realizing the movement of the whole key 50, avoiding the situation that the key 50 is pressed on one side and the other side is tilted, and also avoiding the situation that the key 50 needs to be pressed by a large stroke to abut against the switch contact 20, and improving the effectively triggered pressing touch feeling of the key 50.

Optionally, the first limiting member 34 and the second limiting member 35 are detachably connected to the mounting member 33 respectively.

In an embodiment, be provided with first fixed orifices and second fixed orifices on the installed part 33, first locating part 34 and second locating part 35 have the stopper for one end respectively, the one end has the connecting piece of screw thread section, the connecting piece is worn to locate in shaft hole 30B, the one end of connecting piece is spacing in the one side of first shaft lever 31 and/or second shaft lever 32 dorsad mounting panel 331, the other end passes through the screw thread section and the pore wall threaded connection of fixed orifices, realize relatively fixed, wherein, the connecting piece has the light pole portion, polished rod portion and the pore wall sliding fit in shaft hole 30B, make first shaft lever 31, second shaft lever 32 homoenergetic and installed part 33 are rotated and are connected, promote reliability and the cooperation compactness that each part of link gear 30 is connected.

It is understood that the first limiting member 34 and/or the second limiting member 35 can be set as a contour screw.

In another embodiment, the first limiting member 34 and the second limiting member 35 are disposed integrally with the mounting member 33, and the linkage mechanism 30 further includes two fastening members, which are disposed at ends of the first limiting member 34 and the second limiting member 35 away from the mounting member 33 respectively. Wherein the first limiting member 34 and the second limiting member 35 can be set as a rotating column integrally formed on the mounting member 33, one end of the rotating column adjacent to the mounting member 33 is a smooth section, and one end of the rotating column far away from the mounting member 33 is a threaded section, namely, the two fasteners can be set as nuts, and the two nuts are respectively in threaded connection with the two rotating columns so as to connect the first shaft rod 31 and the second shaft rod 32 on the mounting member 33, so that the assembly stability is improved by the thread fixation, and the detachable connection is convenient for replacement and maintenance.

It can be understood that the rotary column can be detachably connected with the mounting member 33, so that the mold opening cost of the mounting member 33 is reduced.

It is understood that the first limiting member 34 and the second limiting member 35 can be provided as the connecting member or the rotating column, or as a combination of the connecting member and the rotating column.

Referring to fig. 7 in combination, optionally, the mounting component 33 includes a mounting plate 331 and two supporting plates 332, the mounting plate 331 is disposed on an inner wall of the cavity 10A, and the first limiting component 34 and the second limiting component 35 are respectively disposed on the mounting plate 331; the two support plates 332 are respectively arranged at two ends of the mounting plate 331, and enclose with the mounting plate 331 and the inner wall of the cavity 10A to form an avoiding space 30A, the first shaft rod 31 and the second shaft rod 32 are movably arranged in the avoiding space 30A, and the abutting part 521 penetrates through the avoiding space 30A to abut against the switch contact 20.

In this embodiment, two support plates 332 are the setting of contained angle with mounting panel 331 respectively, and two support plates 332 are located the homonymy extension setting of mounting panel 331, and the three encloses to close and forms the space 30A of dodging that has the width. The mounting plate 331 and the support plate 332 are disposed above the space of the key 50, so that the installation part 33 does not obstruct the pressing path of the key 50, and the moving path of the abutting part 521 on the key 50 passes through the avoidance space 30A, thereby improving the space utilization rate and the reliability of the linkage mechanism 30 and the key 50 in matching.

Optionally, a first locking groove 52A and a second locking groove 52B are respectively disposed at two ends of the abutting section 52, and the abutting portion 521 is located between the first locking groove 52A and the second locking groove 52B; the first shaft rod 31 is provided with a first hook 311 corresponding to the first slot 52A, and the first hook 311 is movably arranged in the first slot 52A; the second shaft 32 has a second hook 321 corresponding to the second slot 52B, and the second hook 321 is disposed in the second slot 52B.

In this embodiment, the first shaft rod 31, the second shaft rod 32 and the abutting section 52 of the key 50 extending into the cavity 10A are all accommodated in the avoiding space 30A, and the abutting section 521 is convexly provided in the middle of the abutting section 52 corresponding to the switch contact 20. The first shaft 31 and the second shaft 32 are provided with a first hook 311 and a second hook 321 at ends away from each other, and the abutting section 52 has a first slot 52A corresponding to the first hook 311 and a second slot 52B corresponding to the second hook 321.

Taking the stress of the top side key 511 as an example, first, the first slot 52A of the abutting section 52 of the key 50 moves under the stress to drive the first hook 311 clamped in the first slot 52A to move, so as to drive the first shaft 31 to displace; secondly, the second shaft lever 32 rotates along with the first shaft lever 31 due to the rotational connection between the second shaft lever 32 and the first shaft lever 31, so that the second hook 321 generates displacement in the same direction as the first hook 311; then, because the second hook 321 is engaged in the second slot 52B, the second hook 321 moves to drive the second slot 52B to move, so that the ground-side key 512 corresponding to the abutting section 52 provided with the second slot 52B also moves synchronously, thereby realizing the overall movement of the key 50 and improving the smoothness and reliability of the linkage motion. The forced movement process of the ground side key 512 is the same, and will not be described herein.

Referring to fig. 7 in combination, optionally, a stopping portion 333 is provided on a side of the mounting plate 331 facing the switch contact 20, and the stopping portion 333 is used for limiting a rotation connection position of the first shaft 31 and the second shaft 32.

In this embodiment, the stopping portion 333 is disposed on a side of the mounting plate 331 away from the key 50, the stopping portion 333 is perpendicular to the mounting plate 331, the first shaft rod 31 and the second shaft rod 32 are located on a side of the stopping portion 333 facing the key 50, the switch contact 20 is located on a side of the stopping portion 333 opposite to the key 50, and the flexible circuit board having the switch contact 20 can be partially fixed on the stopping portion 333, thereby improving the stability of the switch contact 20. The stopping portion 333, the mounting plate 331, the middle frame and the two support plates 332 enclose the avoidance space 30A, the mounting plate 331 is arranged so that the joint of the first shaft rod 31 and the second shaft rod 32 cannot be separated from the avoidance space 30A, and the arrangement stability and the assembly stability of each component in the linkage mechanism 30 are improved.

The first shaft 31 and the second shaft 32 may be connected by hinge, bolt or gear engagement.

Optionally, the linkage mechanism 30 further includes a coupling member 36, two ends of the coupling member 36 are respectively connected to the first shaft rod 31 and the second shaft rod 32, and the coupling member 36 is rotatably connected to at least one of the first shaft rod 31 and the second shaft rod 32.

In this embodiment, the coupling member 36 may be an axle tube, or an articulated member, the coupling member 36 rotatably connects the first axle rod 31 and the second axle rod 32, so that the joint is rotationally displaced, the first axle rod 31 and the first hook 311 and the second hook 321 of the second axle rod 32 respectively generate displacements moving at the same side as the key 50, so as to synchronously drive the key 50 to integrally move toward the switch contact 20, so that the abutting portion 521 abuts against the switch contact 20 and is mutually conducted, so as to realize the control of the key 50, reduce the risk of deformation or damage of the key 50 caused by the local or end stress of the key 50, and prolong the service life of the key 50.

Optionally, one end of the first shaft lever 31 is provided with a first rotating portion, one end of the second shaft lever 32 is provided with a second rotating portion, the first rotating portion is engaged with the second rotating portion, the first rotating portion and the second rotating portion are respectively sector gears, and the two sector gears are engaged with each other, so that the function of rotating the first shaft lever 31 and the second shaft lever 32 at the same side of the end portion away from each other is realized, and the key 50 is driven to move integrally.

It should be noted that, when the first shaft 31 and the second shaft 32 rotate around the first limiting member 34 and the second limiting member 35, a certain displacement difference is generated in the opposite direction of the length of the mounting plate 331, in order to compensate the displacement difference, the depths of the first slot 52A and the second slot 52B may be deepened at the connection positions of the first hook 311 and the first slot 52A, and the second hook 321 and the second slot 52B, so as to compensate the displacement components of the first shaft 31 and the second shaft 32 in the length direction of the key 50 or the mounting plate 331, so as to satisfy the displacement amount of the end portions of the two shafts along the force application direction, and improve the matching strength and reliability of the rotation driving the key 50 to move.

Secondly, the displacement can be compensated at the joint of the two shafts.

Optionally, the first shaft 31 includes a first rod 313 and a first slider 312, one end of the first rod 313 is connected to the key 50, and the other end is slidably connected to the first slider 312; the second shaft 32 includes a second rod 323 and a second slider 322, one end of the second rod 323 is connected to the key 50, the other end is connected to the second slider 322 in a sliding manner, and the first slider 312 is connected to the second slider 322 in a rotating manner.

In the embodiment, at least one of the two shafts has a rod body and a slider, for example, the first shaft 31 includes a first rod body 313 and a first slider 312, the first slider 312 is slidably connected to the first rod body 313 to generate a compensation displacement, and the first slider 312 is rotatably connected to the second rod body 323; or the second shaft lever 32 comprises a second lever 323 and a second slider 322, the first shaft lever 31 and the second shaft lever 32 are rotatably connected with the second slider 322 through the first slider 312, and the second lever 323 and the first lever 313 are respectively slidably connected with the first slider 312 and the second slider 322, so as to compensate displacement difference in the length direction generated by rotation through displacement components generated by sliding, so that the first hook 311 is tightly matched with the first slot 52A, and the second hook 321 is tightly matched with the second slot 52B, so that the stability of the connection between the shaft lever of the linkage mechanism 30 and the end of the abutting section 52 of the key 50 is improved, the compensation of the displacement difference improves the effectiveness of the rotation to drive the key 50 to integrally and synchronously move, and the problems of over-deep stroke, tilting of one end, feebleness and no feelings of one end of the key 50 when the fulcrum of the key 50 presses the end at the middle part are effectively solved.

The terminal device 100 may be implemented in various forms. For example, the terminal device 100 described in the present application may include an intelligent terminal device 100 such as a mobile phone, a tablet computer, a notebook computer, a palm computer, a Personal Digital Assistant (PDA), a Portable Media Player (PMP), a navigation device, a wearable device, an intelligent bracelet, a pedometer, etc., which will not be described in detail herein.

In the present application, each embodiment is described with emphasis, and reference may be made to the description of other embodiments for parts that are not described or illustrated in any embodiment. The above-mentioned serial numbers of the embodiments of the present application are merely for description and do not represent the merits of the embodiments.

The technical features of the technical solution of the present application may be arbitrarily combined, and for brevity of description, all possible combinations of the technical features in the embodiments are not described, however, as long as there is no contradiction between the combinations of the technical features, the scope of the present application should be considered as being described in the present application.

The above description is only a preferred embodiment of the present application, and not intended to limit the scope of the present application, and all modifications of equivalent structures and equivalent processes, which are made by the contents of the specification and the drawings of the present application, or which are directly or indirectly applied to other related technical fields, are included in the scope of the present application.

Claims (10)

1. A terminal device, comprising:

the shell is provided with a containing cavity and a mounting hole communicated with the containing cavity;

the circuit board is arranged in the cavity, and a switch contact is arranged on the circuit board corresponding to the mounting hole;

the button assembly comprises a button and a linkage mechanism, the button is movably arranged in the mounting hole in a penetrating mode, the button corresponds to the switch contact and is provided with a butting portion, the linkage mechanism comprises a first shaft rod and a second shaft rod which are arranged in the containing cavity, one end of the first shaft rod is connected with one end of the second shaft rod in a rotating mode, and the two ends of the button are respectively connected with one end, far away from each other, of the first shaft rod and the second shaft rod.

2. The terminal device of claim 1, wherein the linkage mechanism comprises:

the installation piece is arranged in the cavity, and the key and the switch contact are respectively positioned on two sides of the installation piece;

the first limiting piece is arranged on the mounting piece, and the middle part of the first shaft rod is rotatably sleeved on the first limiting piece; and

the second limiting part is arranged on the mounting part and is arranged at an interval with the first limiting part, the second limiting part is rotatably sleeved in the middle of the second shaft rod, and the rotating joint of the first shaft rod and the second shaft rod is positioned between the first limiting part and the second limiting part.

3. The terminal device according to claim 2, wherein the first retaining member and the second retaining member are detachably connected to the mounting member, respectively;

and/or the first limiting part, the second limiting part and the mounting part are arranged in an integrated structure, and the linkage mechanism further comprises two fastening parts which are respectively arranged at one ends of the first limiting part and the second limiting part, which are far away from the mounting part, so as to connect the first shaft rod and the second shaft rod on the mounting part.

4. The terminal device of claim 2, wherein the mount comprises:

the mounting plate is arranged on the inner wall of the cavity, and the first limiting piece and the second limiting piece are respectively arranged on the mounting plate; and

the two supporting plates are respectively arranged at two ends of the mounting plate and enclose with the mounting plate and the inner wall of the accommodating cavity to form an avoiding space, the first shaft lever and the second shaft lever are movably arranged in the avoiding space, and the abutting part penetrates through the avoiding space to abut against the switch contact.

5. The terminal device as claimed in claim 4, wherein a stop is provided on a side of the mounting plate facing the switch contact, the stop being used to limit a rotational connection between the first shaft and the second shaft.

6. Terminal device according to any of claims 1 to 5, characterized in that said key comprises:

the pressing section is convexly displayed outside the mounting hole; and

the butt joint section is arranged on one side, facing the containing cavity, of the pressing section, the butt joint section is arranged on one side, away from the pressing section, of the butt joint section, and the two ends of the butt joint section are detachably connected with the two end portions, away from each other, of the first shaft rod and the second shaft rod respectively.

7. The terminal device according to claim 6, wherein a first locking groove and a second locking groove are respectively arranged at two ends of the abutting section, and the abutting section is located between the first locking groove and the second locking groove;

the first shaft rod is provided with a first clamping hook corresponding to the first clamping groove, and the first clamping hook is movably arranged in the first clamping groove;

and a second clamping hook is arranged on the second shaft rod corresponding to the second clamping groove, and the second clamping hook is arranged in the second clamping groove.

8. The terminal device according to any one of claims 1 to 5, wherein the linkage mechanism further comprises a coupling member having both ends connected to the first shaft and the second shaft, respectively, the coupling member being rotatably connected to at least one of the first shaft and the second shaft.

9. The terminal device according to any one of claims 1 to 5, wherein an end of the first shaft is provided with a first rotating portion, and an end of the second shaft is provided with a second rotating portion, the first rotating portion being engaged with the second rotating portion.

10. The terminal device according to any one of claims 1 to 5, wherein the first shaft comprises a first rod and a first slider, one end of the first rod is connected with the key, and the other end of the first rod is connected with the first slider in a sliding manner;

the second shaft lever comprises a second lever body and a second sliding block, one end of the second lever body is connected with the key, the other end of the second lever body is connected with the second sliding block in a sliding mode, and the first sliding block is connected with the second sliding block in a rotating mode.

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