CN216487774U

CN216487774U - Press smooth and easy button and hand controller

Info

Publication number: CN216487774U
Application number: CN202121950002.9U
Authority: CN
Inventors: 蔺坤
Original assignee: Zhejiang Jiecang Linear Motion Technology Co Ltd
Current assignee: Zhejiang Jiecang Linear Motion Technology Co Ltd
Priority date: 2021-08-18
Filing date: 2021-08-18
Publication date: 2022-05-10
Anticipated expiration: 2031-08-18

Abstract

The utility model discloses a key and a hand controller capable of being pressed smoothly, belonging to the technical field of key devices and comprising a shell and a key cap arranged on the shell, wherein at least two groups of mounting rib positions are arranged below the key cap, mounting holes are formed in the mounting rib positions, a balancing rod is arranged on the key cap and comprises a rod part, a tail part and a connecting part for connecting the rod part and the tail part, the rod part penetrates through the mounting holes and can rotate in the mounting holes and move in the pressing direction of the key cap, a positioning part is arranged on the shell and is used for positioning the tail part, the rigidity characteristic of the balancing rod is realized, the force transmission process is direct, the force is transmitted to the whole key, an elastic light touch switch is well triggered, and even if the edge of the key is triggered, the phenomenon of tarnish or clamping stagnation cannot occur.

Description

Press smooth and easy button and hand controller

[ technical field ] A

The utility model relates to the technical field of key devices, in particular to a smoothly pressed key and a hand controller.

[ background of the utility model ]

According to the past, press smooth and easy button and directly press formula key cap all less, it is spacing mostly to rely on the appearance, and in order to satisfy frivolous requirement, whole thickness is thinner, make the key cap direction shorter, the key cap quadriversal that operates is rocked, feel poor, partial big key cap partially only can trigger function pressing the middle zone simultaneously, it feels relatively poor to press the edge zone, and function trigger is bad, what more, press the edge zone and still can appear the jamming phenomenon, lead to whole operation to experience and feel not good.

[ Utility model ] content

The object of the present invention is to disclose a smoothly pressed key to at least partly solve the above mentioned problems.

In order to solve the technical problems, the utility model adopts the following technical scheme:

press smooth and easy button, include the casing, locate key cap on the casing, the key cap below is equipped with at least two sets of installation muscle positions, is equipped with the mounting hole on the installation muscle position, be equipped with the balancing pole on the key cap, the balancing pole includes pole portion, terminal portion and connection pole portion and terminal portion's connecting portion, pole portion penetrates the mounting hole can rotate in the mounting hole and press the direction at the key cap and remove, be equipped with the setting element on the casing for the location terminal portion.

The beneficial effect of this scheme of adoption:

set up the balancing pole in this scheme below the key cap, the rigidity characteristic of balancing pole, it is more direct to make it pass the power process, can convey power to whole key cap, consequently, press the optional position of key cap, whole key cap all can synchronous motion, and trigger the elasticity light touch switch well, even if trigger key cap border position, also can be merrily and lightheartedly smooth and easy, the tarnish or jamming phenomenon can not appear, the key cap shaking amount has greatly been reduced, and the limitation to key cap overall dimension reduces greatly, can satisfy industrial design to figurative diversified design.

In the scheme, the key cap is matched with the shaft hole of the rod part of the balance rod, the rod part can rotate in the mounting hole, when the key cap is pressed, the key cap is stressed to move downwards, the rod part of the balance rod moves downwards along with the key cap, the tail end part of the balance rod is positioned by the positioning part, when the rod part of the balance rod moves along with the key cap, the position of the tail end part in the pressing direction of the key cap can be kept unchanged, and the tail end part cannot move downwards along with the rod part, so that the rod part rotates by taking the shaft axis of the rod part as the rotation center when moving downwards; the rod part penetrates through the mounting hole, and the rod part is not easy to bend under the action of the inner wall of the mounting hole, so that the whole keycap can stably move under the driving of the rod part when any position of the keycap is pressed, the conditions of shaking or one side higher and one side lower are avoided, and the stability of the keycap is improved; meanwhile, the positioning piece and the mounting hole have a supporting effect on the balance rod, so that the elastic force required by the key cap to rebound is smaller, and the elastic light touch switch can drive the key cap to rebound more easily.

In the key cap motion process, the contact between balancing pole portion and the mounting hole pore wall is the cambered surface contact, and balancing pole tip and spout are the line face contact, and the contact surface is few in the motion process, and sliding friction is little, can not produce the damping because of the friction when pressing and kick-backing and feel, presses more smoothly, promotes that the user feels.

Preferably, the mounting rib positions comprise a first mounting rib position and a second mounting rib position, the first mounting rib position and the second mounting rib position are respectively provided with a U-shaped groove and an L-shaped groove, the openings of the U-shaped groove and the L-shaped groove are opposite, the U-shaped groove and the L-shaped groove enclose a mounting hole, and the axial size of the mounting hole is larger than the rod diameter of the rod portion.

Preferably, the positioning element comprises a sliding slot, the distal end portion being located in the sliding slot and being translatable therein.

Preferably, the shell is provided with paired radial rib positions, the sliding groove is formed between the paired radial rib positions, and the width of the sliding groove is larger than the rod diameter of the tail end part.

Preferably, the positioning member includes elastic pieces arranged in pairs, and the terminal portion is clamped between the two elastic pieces.

Preferably, a guide structure is arranged between the upper shell and the keycap.

Preferably, the guide structure comprises a guide post and a guide groove which are arranged in a matching manner, one of the shell and the keycap is provided with the guide post, and the other is provided with the guide groove.

Preferably, the guide post is a cross-shaped guide post, and the guide groove is a cross-shaped guide groove.

Preferably, a limit structure is arranged between the upper shell and the keycap so as to stop the keycap when the keycap rebounds.

Preferably, the limiting structure comprises a clamping groove and a buckle which is inserted into the clamping groove and can slide relative to the clamping groove, the clamping groove is arranged on one of the shell and the keycap, the buckle is arranged on the other keycap, and the groove wall of the clamping groove is abutted against the buckle to stop the keycap.

Preferably, the shell comprises an upper shell and a lower shell which are fixedly connected, and the upper shell is inserted into the lower shell or connected with the lower shell through a fastener.

The hand controller comprises the smoothly pressed key.

These features and advantages of the present invention will be disclosed in more detail in the following detailed description and the accompanying drawings.

[ description of the drawings ]

The utility model is further described with the following drawings:

fig. 1 is a schematic view of a three-dimensional structure of a smoothly pressed key according to the present invention.

FIG. 2 is an exploded view of a smoothly pressed key of the present invention.

FIG. 3 is a cross-sectional view of a smoothly pressed key of the present invention.

FIG. 4 is a partial schematic view of the smoothly pressed first keycap and the upper housing of the present invention.

FIG. 5 is a schematic perspective view of a first key cap according to the present invention.

Fig. 6 is a schematic perspective view of the upper housing according to the present invention.

FIG. 7 is a further schematic view of the three-dimensional structure of the upper housing of the present invention;

fig. 8 is a perspective view of the stabilizer bar of the present invention.

Reference numerals:

a housing 1;

an upper case 101; a through hole 1011; a cylindrical structure 1012; a bump 10121; a protrusion 10122; a first radial rib position 1013; second radial rib position 1014; a cross-shaped guide groove 1015; a buckle 10151; mounting ears 1016; a threaded fixing hole 1017; a mounting groove 10161; a chute 1018 and a spring plate 1019;

a lower case 102; a fixture block 1021; threaded bore 1022;

a circuit board 2; an elastic tact switch 201;

a line card 3;

a mirror 4;

a mounting bracket 5;

a key cap 6;

a first keycap 601; a first mounting rib position 6011; an L-shaped slot 60111; a second mounting rib position 6012; a U-shaped groove 60121; a cross-shaped guide post 6013; a clip 6014; a card slot 60141; a columnar structure 6015;

a second keycap 602; a guide bracket 6021; an axial groove 60211; a slot 60212;

a third key cap 603;

a balancing lever 7; a stem 701; a connecting portion 702; a terminal portion 703;

and a tapping screw 8.

[ detailed description ] embodiments

The technical solutions of the embodiments of the present invention are explained and illustrated below with reference to the drawings of the embodiments of the present invention, but the following embodiments are only preferred embodiments of the present invention, and not all embodiments. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative effort belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless expressly stated or limited otherwise, the recitation of a first feature "on" or "under" a second feature may include the recitation of the first and second features being in direct contact, and may also include the recitation that the first and second features are not in direct contact, but are in contact via another feature between them. 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. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The smooth-pressed key of the present invention is further described in detail with reference to the accompanying drawings and the following detailed description:

referring to fig. 1 and 2, a smooth-pressed key includes:

a housing 1 comprising an upper housing 101 and a lower housing 102 fixedly connected;

the key cap 6 is arranged on the upper shell 101 and can axially move relative to the upper shell 101;

the key cap 6 specifically includes a first key cap 601, a second key cap 602, and a third key cap 603 that are respectively disposed, the first key cap 601 is located at the periphery of the second key cap 602 and the third key cap 603, and the length of the first key cap 601 is equal to the sum of the lengths of the second key cap 602 and the third key cap 603.

In order to guide the movement of the first keycap 601, the second keycap 602 and the third keycap 603 extend downwards to form a guide support 6021, the guide support 6021 extends along the inner sides of the edges of the second keycap 602 and the third keycap 603 and encloses a closed inner cavity, a cylindrical structure 6015 for pressing the elastic tact switch 201 is arranged in the inner cavity, an axial groove 60211 is arranged on the outer wall of the guide support 6021, a through hole 1011 for the guide support 6021 to pass through is arranged on the upper shell 101, the periphery of the through hole 1011 extends out of the cylindrical structure 1012, a convex block 10121 matched with the axial groove 60211 is arranged on the inner side wall of the cylindrical structure 1012, when the second keycap 602 and the third keycap 603 move, the convex block 10121 slides in the axial groove 60211, a limit structure for limiting the operation stroke of the second keycap 602 and the third keycap 603 is arranged between the guide support 6021 and the cylindrical structure 1012, specifically, the limit structure comprises a convex 10122 arranged on the cylindrical structure 1012 and a 60212 slot arranged on the guide support 6021, when the second keycap 602 and the third keycap 603 move, the protrusion 10122 moves axially in the slot 60212, and the lower side surface of the protrusion 10122 abuts on the lower slot wall of the slot 60212 to form a limit structure for limiting the rebound stroke of the second keycap 602 and the third keycap 603.

Because first key cap 601 length is big, effective length is short when pressing, if adopt above-mentioned guide way, the guide effect is poor, rocks the volume increase, and the jamming appears easily in first key cap 601 edge, leads to the operation to experience and feels not good.

As shown in fig. 5, for the situation that first key cap 601 is long, clamping stagnation and poor operation experience are likely to occur, as shown in fig. 2 to fig. 4, in this scheme, balancing rod 7 is arranged below first key cap 601, specifically, at least two sets of mounting rib positions are arranged below first key cap 601, at least two sets of mounting rib positions are located at two ends of first key cap 601 in the length direction, mounting holes are arranged on the mounting rib positions, the sizes of the mounting holes on the at least two sets of mounting rib positions are the same, and the hole center connecting line is parallel to first key cap 601.

As shown in fig. 8, the balance bar 7 specifically includes a bar portion 701, two end portions 703 and two connecting portions 702 connecting the bar portion 701 and the end portions 703, as shown in fig. 4, the bar portion 701 penetrates into the mounting hole and can rotate in the mounting hole, and the upper housing 101 is provided with a positioning member for positioning the end portions 703 so as to keep the position of the end portions 703 in the pressing direction of the first key cap 601 unchanged.

Preferably, as shown in fig. 6, the positioning member includes at least two sliding grooves 1018, the heights of the two sliding grooves 1018 are the same, and a connecting line of upper groove walls of the two sliding grooves 1018 is parallel to the first key cap 601, and a connecting line of lower groove walls of the two sliding grooves 1018 is also parallel to the first key cap 601. As shown in fig. 4, the projection of the mounting rib and the sliding groove 1018 on the first key cap 601 is located on two sides of the first key cap 601 in the width direction.

Set up balancing pole 7 below first key cap 601, balancing pole 7's rigidity characteristic makes its biography power process more direct, can convey whole first key cap 601 with power transmission, consequently presses the optional position of first key cap 601, and whole first key cap 601 all can synchronous motion, even if press first key cap 601 border position, also can not appear tarnishing or jamming phenomenon.

In the scheme, the first keycap 601 is matched with the shaft hole of the rod part 701 of the balance rod 7, the rod part 701 can rotate in the mounting hole, the tail end part 703 is positioned in the sliding groove 1018, the upper wall and the lower wall of the sliding groove 1018 can stop the tail end part 703 from moving in the pressing direction of the first keycap 601 and can only translate in the sliding groove 1018, when the first keycap 601 is pressed, the first keycap 601 is stressed to move downwards, the rod part 701 of the balance rod 7 moves downwards along with the first keycap 601, because the tail end part 703 cannot move downwards along with the rod part 701, the rod part 701 rotates by taking the shaft axis of the rod part 701 as the rotation center while moving downwards, the rod part 701 penetrates through the mounting hole, the rod part 701 is not easy to bend under the action of the inner wall of the mounting hole, therefore, when any position of the first keycap 601 is pressed, the whole first keycap 601 can stably move under the driving of the rod part 701, and the situation of shaking or one side is not high and one side is low can not occur, the stability is improved; meanwhile, as the sliding groove 1018 and the mounting hole have a supporting effect on the balance bar, the elastic force required when the first key cap 601 rebounds is smaller, and the elastic light touch switch drives the first key cap 601 to rebound more easily.

In addition, as shown in fig. 7, the positioning element may also be spring strips 1019 arranged in pairs, two sets of spring strips 1019 are provided on the upper casing 101, each set of spring strips 1019 includes two pieces, and the terminal portion 703 of the balance bar 7 is clamped between the two spring strips 1019, so as to keep the position of the terminal portion 703 in the pressing direction of the first key cap 601 unchanged, and not to influence the rotation of the terminal portion 703.

In the motion process of first key cap 601, be the cambered surface contact between 7 pole portions 701 of balancing pole and the mounting hole pore wall, 7 terminal portion 703 of balancing pole and spout 1018 be the line face contact, and the contact surface is few in the motion process, and sliding friction is little, can not produce the damping because of the friction when pressing and kick-backing and feel, presses more smoothly, promotes the user and feels.

In order to facilitate the installation of the rod part 701 of the balance bar 7, as shown in fig. 4 and 5, the mounting rib positions include a first mounting rib position 6011 and a second mounting rib position 6012 which are arranged at intervals, the first mounting rib position 6011 and the second mounting rib position 6012 penetrate through the lower portion of the upper housing 101, a U-shaped groove 60121 and an L-shaped groove 60111 which have opposite openings are respectively formed on portions of the first mounting rib position 6011 and the second mounting rib position 6012 which are located below the upper housing 101, specifically, the U-shaped groove 60121 is formed by extending the side surface of the first mounting rib position 6011 inwards, the L-shaped groove 60111 is formed by extending the bottom end of the second mounting rib position 6012 inwards, the U-shaped groove 60121 and the L-shaped groove 60111 enclose a mounting hole, the axial dimension of the mounting hole is slightly larger than the rod diameter of the rod part 701, when the balance bar is installed, the rod 701 slides along the L-shaped channel 60111 and snaps slowly into the U-shaped channel 60121, the L-shaped groove 60111 blocks the notch of the U-shaped groove 60121 to prevent the rod part 701 from falling out of the U-shaped groove 60121 when it rotates.

The upper casing 101 is provided with at least two sets of paired radial ribs, as shown in fig. 3, 4 and 6, the paired radial ribs include a first radial rib 1013 provided on the upper casing 101 and a second radial rib 1014 extending outward from the outer sidewall of the tubular structure 1012 located below the upper casing 101, the first radial rib 1013 and the second radial rib 1014 are axially arranged, a sliding groove 1018 is formed therebetween, the width of the sliding groove 1018 is slightly larger than the rod diameter of the terminal portion 703, the terminal portion 703 can only slide in the sliding groove 1018 in the left-right direction and cannot move up and down in the axial direction by the limit of the first radial rib 1013 and the second radial rib 1014, the connecting line of the lower side surface of the first radial rib 1013 of the at least two sets of paired radial ribs is parallel to the upper casing 101, the connecting line of the upper side surface of the second radial rib 1014 of the at least two sets of paired radial ribs is parallel to the upper casing 101, so that the height of the sliding groove 1018 formed by the at least two sets of paired radial ribs is the same, the line connecting the central axes of the chutes 1018 is parallel to the upper housing 101.

The arrangement of the mounting hole and the sliding groove 1018 makes the axes of the two terminal portions 703 of the balance bar 7 located on the same horizontal plane, the two sides of the bar portion 701 are also located on the same horizontal plane, and due to the rigidity property of the balance bar 7, the movement of each symmetrical point on the two sides of the central symmetrical plane of the balance bar 7 is always kept synchronous, namely, when any edge of the first key cap 601 is pressed, the first key cap 601 drives the balance bar 7 on the pressing side to move downwards, at this moment, due to the rigidity of the balance bar 7, the balance bar 7 on the pressing side drives the balance bar 7 on the other side to move synchronously, the balance bar 7 on the other side drives the first key cap 601 on the same side to move downwards, so that the whole first key cap 601 can move synchronously.

In order to guide the movement of the first key cap 601, as shown in fig. 4 to 6, a guide structure is arranged between the upper housing 101 and the first key cap 601, the guide structure includes a guide post and a guide groove which are arranged in a matching manner, the first key cap 601 is provided with the guide post, the upper housing 101 is provided with a guide groove which is in clearance fit with the guide post, and the guide post axially moves in the guide groove.

In order to further improve the guiding and limiting effects, at least two guiding structures are arranged below the first keycap 601, and the at least two guiding structures are distributed at intervals along the length direction of the first keycap 601.

Of course, in other embodiments, a guide groove may be provided on the first key cap 601, and a guide post that is matched with the guide groove may be provided on the upper housing 101.

The arrangement of the balance rod 7 enables the first key cap 601 to integrally move synchronously, meanwhile, the axial size of the mounting hole is slightly larger than the rod diameter of the rod part 701, the width of the sliding groove 1018 is slightly larger than the rod diameter of the tail end part 703, the assembly gap between the balance rod 7 and the first key cap 601 and the upper shell 101 is extremely small, and the guide matching structure of the small gap of the cross-shaped guide column 6013 and the cross-shaped guide groove 1015 is combined, so that the axial limit and the circumferential limit of the first key cap 601 are sufficient in the movement process of the first key cap 601, the balance stability of the balance rod 7 is matched, the first key cap 601 cannot be turned over when being pressed, the first key cap 601 and the stability are guaranteed to the maximum extent, and the shaking amount is reduced.

Furthermore, the included angle α between the end part 703 of the balance bar 7 and the connecting part 702 is designed to be a right angle or an obtuse angle, preferably, α is greater than or equal to 90 ° and less than or equal to 120 °, so that when the first key cap 601 is pressed, the end part 703 is always located between the first radial rib 1013 and the second radial rib 1014 and is kept in contact with one of the first radial ribs, thereby preventing the balance bar 7 from shaking caused by separation or rebound of the balance bar 7 from the housing 1, and also preventing the balance bar 7 from colliding with the housing 1 to generate noise, thereby effectively improving the use experience.

A cylindrical structure 6015 for pressing the tact switch is arranged below the first key cap 601, when the first key cap 601 is pressed, the first key cap 601 drives the cylindrical structure 6015 to press the elastic tact switch 201 downwards, the elastic tact switch 201 is switched on, and after the hand is loosened, the elastic light touch switch 201 rebounds to jack up the columnar structure 6015, the columnar structure 6015 drives the first keycap 601 to rebound upwards, in order to restrict the rebound stroke of the first key cap 601, as shown in fig. 4 to 6, a limiting structure is arranged between the upper casing 101 and the first key cap 601, specifically, a buckle 10151 is arranged on the cross-shaped guide groove 1015 of the upper casing 101, the first key cap 601 downwardly extends out of the clamping piece 6014, a clamping groove 60141 is formed on the clamping piece 6014, the clamping groove 60141 is large, the buckle 10151 can axially move in the clamping groove 60141, the first key cap 601 rebounds upwards to the maximum displacement position, and a groove wall of the clamping groove 60141 abuts against the buckle 10151 to form the limiting structure.

In this embodiment, the fixed connection manner of the upper casing 101 and the lower casing 102 includes insertion and/or fastener connection, and the two manners may be used separately or simultaneously, specifically, the insertion manner is, as shown in fig. 2 and 4, that the lower casing 102 includes a side wall, a fixture block 1021 is arranged on the side wall, the upper casing 101 is provided with an installation ear 1016, an installation groove 10161 is arranged on the installation ear 1016, during assembly, the upper casing 101 and the lower casing 102 are pushed forcibly to generate relative movement, so that the fixture block 1021 is inserted into the installation groove 10161 to realize the insertion of the upper casing 101 and the lower casing 102; the fastener is connected in a manner that, as shown in fig. 3, the fastener includes a tapping screw 8, a threaded through hole 1022 is provided on the lower housing 102, a threaded fixing hole 1017 is provided on the upper housing 101, and the tapping screw 8 is screwed through the threaded through hole 1022 and then fixed in the threaded fixing hole 1017.

Referring to fig. 1 to 8, the utility model further discloses a hand controller, the hand controller comprises the smoothly pressed key disclosed in the above, wherein the hand controller comprises a shell and a keycap, the shell is a shell 1 of the smoothly pressed key, the keycap is a keycap 6 of the smoothly pressed key to realize the function of the hand controller and control the motion state and the motion mode of an object, a circuit board 2 with an elastic tact switch 201 is arranged in the hand controller, the keycap 6 is connected with the elastic tact switch 201, the circuit board 2 is arranged between an upper shell 101 and a lower shell 102, the circuit board 2 is provided with a line card 3 for connecting a power line, the upper shell 101 is further provided with a mirror 4, a second keycap 602 and a third keycap 603 are arranged at the periphery of the mirror 4 and arranged in parallel along the periphery of the mirror 4, the upper shell 101 is provided with two groups of keycaps 6, and the two groups of keycaps 6 are symmetrically arranged relative to the mirror 4.

The assembly process of the hand controller is as follows:

(1) firstly, the line card 3 is connected and inserted on the PCB assembly to form a PCB assembly;

(2) loading the PCB assembly into the lower housing 102;

(3) the mirror 4 is attached to the bracket, and then the bracket is mounted on the upper case 101;

(4) a first keycap 601, a second keycap 602 and a third keycap 603 are respectively arranged on the upper shell 101;

(5) the balance bar 7 is connected to the first key cap 601 and the upper case, the upper case and the lower case are assembled, and finally the upper case 101 and the lower case 102 are fixed by screws.

The above embodiments are merely examples and do not limit the scope of the utility model. On the basis of this, a person skilled in the art can envision other embodiments that perform the same function within the scope of the claims of the present invention.

Claims

1. Press smooth and easy button, its characterized in that includes the casing, locates keycap on the casing, the keycap below is equipped with two sets of installation muscle positions at least, is equipped with the mounting hole on the installation muscle position, be equipped with the balancing pole on the keycap, the balancing pole includes pole portion, terminal portion and connection pole portion and terminal portion's connecting portion, pole portion penetrates the mounting hole can rotate in the mounting hole and press the direction at the keycap and remove, be equipped with the setting element on the casing for the location terminal portion.

2. The smoothly-pressed key according to claim 1, wherein the mounting rib positions include a first mounting rib position and a second mounting rib position, the first mounting rib position and the second mounting rib position are respectively provided with a U-shaped groove and an L-shaped groove with opposite openings, the U-shaped groove and the L-shaped groove define a mounting hole, and an axial dimension of the mounting hole is greater than a rod diameter of the rod portion.

3. The smooth-pressed button of claim 1, wherein the positioning element comprises a slot, and the distal portion is positioned in the slot and translatable therein.

4. The smoothly pressed key of claim 3, wherein the housing has a pair of radial ribs, the pair of radial ribs forming the sliding slot therebetween, the width of the sliding slot being greater than the rod diameter of the end portion.

5. The smoothly-depressed key as recited in claim 1, wherein said positioning member comprises a pair of resilient pieces, and said end portion is sandwiched between the two resilient pieces.

6. The easy-to-press key of claim 1, wherein a guide structure is disposed between the housing and the key cap.

7. The easy-to-press key of claim 6, wherein the guiding structure comprises a guiding post and a guiding groove, the guiding post is disposed on one of the housing and the key cap, and the guiding groove is disposed on the other.

8. The smooth-pressed button of claim 7, wherein the guide posts are cross-shaped guide posts and the guide slots are cross-shaped guide slots.

9. The easy-to-press key of claim 1, wherein a stop structure is disposed between the housing and the key cap to stop the key cap when the key cap rebounds.

10. The smoothly pressed key of claim 9, wherein the limiting structure comprises a slot and a buckle inserted into the slot and capable of sliding relative to the slot, one of the housing and the key cap is provided with the slot, the other is provided with the buckle, and a slot wall of the slot abuts against the buckle to stop the key cap.

11. The smooth-pressing button of claim 1, wherein the housing comprises an upper housing and a lower housing that are fixedly connected, and the upper housing is inserted into the lower housing or connected with a fastener.

12. A hand controller characterized by comprising the smoothly-pressed key according to any one of claims 1 to 11.