CN218730597U - Novel rocker button structure - Google Patents

Abstract

The utility model discloses a novel rocker button structure, which comprises a rear shell, wherein a PCBA is arranged in the rear shell, and two micro-switches are arranged at the top edge of the PCBA; the key comprises a key body, elastic arms and a fixed plate, wherein the fixed plate is arranged below the key body, two ends of the bottom edge of the key body are respectively connected with two ends of the top edge of the fixed plate through the two elastic arms, and the fixed plate is fixed on the inner wall of the rear shell; two stepping feet are further arranged at two ends of the edge of the bottom of the key body, the positions of the two stepping feet correspond to the positions of the two elastic arms respectively, and the two stepping feet are arranged above the two micro switches respectively. The utility model has the advantages of reasonable design, micro-gap switch and button are stepped on and can be kept certain clearance between the foot, prevent the spurious triggering, and this also makes the button easily control with peripheral back shell face difference simultaneously.

Description

Novel rocker button structure

Technical Field

The utility model relates to a wane button technical field especially relates to a novel wane button structure.

Background

The rocker button is widely applied to vehicle-mounted electronic products as a commonly-used button structure. Conventional rocker button rotates the fulcrum and must guarantee to step on foot the stress balance for stepping on foot the central point, and this kind of rocker button needs 2 switches of stepping on foot department to all be the pre-compaction and is used for supporting the button, and the poor wayward of the face of button and peripheral backshell (or preceding shell), and generally needs plus 2 parts of stepping on foot, and the equipment is complicated, and the cost is higher.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel wane button structure to solve among the prior art wane button and need 2 switches of stepping on foot department all to do the pre-compaction and be used for supporting the button, the difficult technical problem of control of the face difference of button and peripheral backshell.

In order to achieve the purpose, the technical scheme of the utility model provides a novel rocker button structure, which comprises a rear shell, wherein a PCBA is arranged inside the rear shell, and two micro-switches are arranged on the top edge of the PCBA; the key comprises a key body, elastic arms and a fixed plate, wherein the fixed plate is arranged below the key body, two ends of the bottom edge of the key body are respectively connected with two ends of the top edge of the fixed plate through the two elastic arms, and the fixed plate is fixed on the inner wall of the rear shell; two stepping feet are further arranged at two ends of the edge of the bottom of the key body, the positions of the two stepping feet correspond to the positions of the two elastic arms respectively, and the two stepping feet are arranged above the two micro switches respectively.

Further, the inner wall of backshell is equipped with the axis of rotation of horizontal extension, the below of button mounting hole is located to the axis of rotation, the centre at the bottom edge of button main part is equipped with the rotation groove, rotation groove and axis of rotation normal running fit, two radial both sides of axis of rotation are located respectively to the bullet arm.

Furthermore, the rotating shaft extends forwards, the left end and the right end of the bottom edge of the key main body are connected with the left end and the right end of the top edge of the fixed plate through two elastic arms respectively, the two stepping feet are arranged at the left end and the right end of the bottom edge of the key main body respectively, and the two microswitches are distributed at the top edge of the PCBA plate along the left-right direction.

Furthermore, the inner wall of the rear shell is also provided with a fixing block extending forwards, and the fixing block is arranged below the rotating shaft; the front side of the fixed block is provided with a plurality of positioning columns, the fixed plate is provided with a plurality of positioning holes, and the positioning columns are matched with the positioning holes in a positioning mode.

Furthermore, the positioning column is fixed with the positioning hole in a hot melting mode; the bottom edge of the key body is connected with the stepping foot in an integrated manner.

Furthermore, the left and right sides of fixed block is equipped with the limiting plate that upwards extends respectively, the leading flank of limiting plate and the spacing cooperation of trailing flank of bullet arm to the restriction is beaten the arm and is moved backward.

Furthermore, the inner wall of the rear shell is also provided with two buckles extending forwards, and the two buckles are arranged on the left side and the right side of the rotating shaft; one side of the buckle far away from the rotating shaft is provided with a buckle groove with an opening facing the rear, and the buckle grooves of the two buckles are respectively in limit fit with the two elastic arms to limit the elastic arms to move forwards.

Furthermore, the two elastic arms are respectively arranged behind the two stepping feet, and the PCBA is arranged in front of the elastic arms and the fixing plate.

Furthermore, the edge of the key main body is provided with a limiting step with an upward opening, the limiting step is arranged below the key mounting hole, and the limiting step is in limiting fit with the edge of the bottom of the key mounting hole so as to limit the upward movement amplitude of the key.

Further, the front side of backshell is equipped with the installation opening, the preceding shell subassembly is installed to the installation opening, the PCBA board is located between backshell and the preceding shell subassembly.

To sum up, the application the technical scheme of the utility model, following beneficial effect has: the utility model has the advantages of reasonable structural design, (1) through the top edge of backshell be equipped with the button mounting hole, be equipped with the button in the button mounting hole, the button includes button main part, bullet arm, fixed plate, the fixed plate is located the below of button main part, the both ends at the bottom edge of button main part are connected with the both ends at the top edge of fixed plate through two bullet arms respectively, the fixed plate is fixed in the inner wall of backshell; therefore, the key can be stably fixed on the inner wall of the rear shell through the fixing plate, and the pressing stroke can be realized through the moving spaces of the two elastic arms when the two ends of the key are pressed; (2) Two stepping feet are arranged at two ends of the bottom edge of the key body, the positions of the two stepping feet respectively correspond to the positions of the two elastic arms, and the two stepping feet are respectively arranged above the two microswitches; therefore, two stepping feet of the key can respectively follow the pressing states of the two elastic arms to realize up-and-down movement, and then the two stepping feet are respectively matched with the two micro switches on the PCBA board in a triggering mode. According to the above analysis, the utility model discloses a setting of bullet arm, fixed plate to no longer need all do the pre-compaction in 2 micro-gap switches of stepping on foot department for supporting the button and handle, make micro-gap switch and button step on and can keep certain clearance between the foot, prevent the spurious triggering, this also makes button and peripheral back shell face difference easily controlled simultaneously.

Drawings

Fig. 1 is a schematic diagram of the explosion structure of the present invention;

FIG. 2 is a schematic view of the assembly process of the front housing assembly and PCBA board of the present invention;

FIG. 3 is a schematic view of the assembled front housing assembly and PCBA board of the present invention;

fig. 4 is a schematic view illustrating an assembly process of the rear case and the key of the present invention;

fig. 5 is a schematic view of the assembly process of the front housing assembly and the rear housing of the present invention;

fig. 6 is a rear view structure diagram of the present invention;

fig. 7 is a schematic sectional structure of the present invention;

fig. 8 is a schematic perspective view of the rear housing of the present invention;

fig. 9 is a schematic perspective view of the key of the present invention;

fig. 10 is a perspective view of the assembled rear housing and keys of the present invention;

fig. 11 is a schematic view of a partial structure of the assembled rear shell and the key of the present invention;

fig. 12 is a schematic view of the assembled rear housing, keys and PCBA board of the present invention;

fig. 13 is a schematic structural view of the assembled rear case, the push button and the PCBA board of the present invention;

FIG. 14 isbase:Sub>A schematic cross-sectional view taken along line A-A of FIG. 13;

description of the reference numerals: 1-rear shell, 101-key mounting hole, 102-mounting opening, 2-PCBA board, 3-microswitch, 4-key, 401-key body, 4011-limit step, 402-elastic arm, 403-fixing board, 4031-positioning hole, 404-treading foot, 405-rotation groove, 5-rotation shaft, 6-fixing block, 7-positioning column, 8-limiting board, 9-buckle, 901-buckle groove, 10-front shell component; 11-first screw, 12-second screw, 13-fastening position.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, but do not constitute a limitation to the scope of the present invention.

In the present invention, for the sake of clearer description, the following explanation is made: the observer is observing in the face of fig. 1, the left side of the observer is set as the front side, the right side of the observer is set as the rear side, the front side of the observer is set as the right side, the rear side of the observer is set as the left side, the upper side of the observer is set as the upper side, and the lower side of the observer is set as the lower side, it should be noted that the terms "front end", "rear end", "left side", "right side", "middle part", "upper part", "lower part" and the like in the text indicate the orientation or positional relationship set based on the drawings, and only for the convenience of clearly describing the present invention, but not to indicate or suggest that the structure or component indicated by the terms must have a specific orientation, be constructed in a specific orientation, and therefore, cannot be understood as a limitation of the present invention. Furthermore, the terms "first," "second," "third," and "fourth" are used merely for purposes of clarity or simplicity of description and are not to be construed as indicating or implying relative importance or quantity.

Referring to fig. 1 to 14, the present embodiment provides a novel rocker button structure, which includes a rear housing 1, a PCBA board 2 is disposed inside the rear housing 1, and two micro switches 3 are disposed on the top edge of the PCBA board 2; the edge of the top of the rear shell 1 is provided with a key mounting hole 101, a key 4 is arranged in the key mounting hole 101, the key 4 comprises a key main body 401, elastic arms 402 and a fixing plate 403, the fixing plate 403 is arranged below the key main body 401, two ends of the edge of the bottom of the key main body 401 are respectively connected with two ends of the edge of the top of the fixing plate 403 through the two elastic arms 402, and the fixing plate 403 is fixed on the inner wall of the rear shell 1; two stepping feet 404 are further arranged at two ends of the bottom edge of the key main body 401, the positions of the two stepping feet 404 correspond to the positions of the two elastic arms 402 respectively, and the two stepping feet 404 are arranged above the two micro switches 3 respectively. The function is as follows: (1) The button mounting hole is formed in the top edge of the rear shell, the button is arranged in the button mounting hole and comprises a button main body, elastic arms and a fixing plate, the fixing plate is arranged below the button main body, two ends of the bottom edge of the button main body are respectively connected with two ends of the top edge of the fixing plate through the two elastic arms, and the fixing plate is fixed on the inner wall of the rear shell; therefore, the key can be stably fixed on the inner wall of the rear shell through the fixing plate, and the pressing stroke can be realized through the moving spaces of the two elastic arms when the two ends of the key are pressed; (2) Two stepping feet are arranged at two ends of the bottom edge of the key body, the positions of the two stepping feet respectively correspond to the positions of the two elastic arms, and the two stepping feet are respectively arranged above the two microswitches; therefore, two stepping feet of the key can respectively follow the pressing states of the two elastic arms to realize up-and-down movement, and then the two stepping feet are respectively matched with the two micro switches on the PCBA board in a triggering mode. According to the above analysis, the utility model discloses a setting of bullet arm, fixed plate to no longer need all do the pre-compaction in 2 micro-gap switches of stepping on foot department for supporting the button and handle, make micro-gap switch and button step on and can keep certain clearance between the foot, prevent the spurious triggering, this also makes button and peripheral backshell (or preceding shell subassembly below) the poor easy control of face simultaneously. Preferably, the micro switch and the key foot keep a gap of 0.1-0.2mm to prevent false triggering.

Specifically, the inner wall of the rear case 1 is provided with a horizontally extending rotation shaft 5, the rotation shaft 5 is disposed below the key mounting hole 101, the middle of the bottom edge of the key main body 401 is provided with a rotation groove 405, the rotation groove 405 is rotatably matched with the rotation shaft 5, and the two elastic arms 402 are respectively disposed on two radial sides of the rotation shaft 5. The function is as follows: the rotating shaft is in rotating fit with the rotating groove, so that the two stepping feet can be pressed around the rotating shaft, and due to the fact that the elastic arms of the keys have moving spaces, pressing strokes can be achieved around a middle rotating fulcrum (namely the rotating shaft) after the two ends of the keys are pressed; because the key is fixed on the inner wall of the rear shell through the fixing plate and does not need to keep balance by external force, the rotating fulcrum (namely the rotating shaft) and the stepping feet at the two ends have no strict distance requirement, so that the design is more flexible.

Specifically, the rotating shaft 5 extends forward, the left and right ends of the bottom edge of the key main body 401 are connected to the left and right ends of the top edge of the fixing plate 403 through two elastic arms 402, the two footsteps 404 are respectively disposed at the left and right ends of the bottom edge of the key main body 401, and the two microswitches 3 are distributed on the top edge of the PCBA board 2 along the left and right directions. The function is as follows: when the button is designed in this way, the left and right pressing of the button can be realized by the left and right elastic arm moving spaces of the button.

Specifically, the inner wall of the rear shell 1 is further provided with a fixing block 6 extending forwards, and the fixing block 6 is arranged below the rotating shaft 5; the front side of the fixed block 6 is provided with a plurality of positioning columns 7, the fixing plate 403 is provided with a plurality of positioning holes 4031, and the positioning columns 7 are matched with the positioning holes 4031 in a positioning mode. The function is as follows: can conveniently fix the fixed plate through the fixed block, and then conveniently fix a position the fixed plate through the cooperation of reference column and locating hole.

Specifically, the positioning column 7 and the positioning hole 4031 are fixed in a hot melting mode, and the function is as follows: the connection between the positioning column and the positioning hole can be firmer by hot melting and fixing. The bottom edge of button main part 401 is connected as an organic whole with stepping on between the foot 404, and the effect: the number of parts is saved on the key by directly stepping on the foot, the assembly is simple, and the cost is lower.

Specifically, limiting plates 8 extending upwards are respectively arranged on the left side and the right side of the fixing block 6, and the front side of each limiting plate 8 is in limiting fit with the rear side of the elastic arm 402 so as to limit the backward movement of the elastic arm 402.

Specifically, the inner wall of the rear shell 1 is further provided with two buckles 9 extending forwards, and the two buckles 9 are arranged on the left side and the right side of the rotating shaft 5; one side of the buckle 9 far away from the rotating shaft 5 is provided with a buckle groove 901 with an opening facing to the rear, and the buckle grooves 901 of the two buckles 9 are respectively in limit fit with the two elastic arms 402 to limit the forward movement of the elastic arms 402. In actual operation: when the elastic arm receives the front and back limiting action, the elastic arm can only form the pressing in the left and right directions, and the working stability of the elastic arm is ensured.

Specifically, the two spring arms 402 are respectively provided behind the two footsteps 404, and the PCBA board 2 is provided in front of the spring arms 402 and the fixing plate 403. The function is as follows: make PCBA board and play the position distribution between arm, the backshell more reasonable like this, even be convenient for the cooperation of bullet arm and backshell and the cooperation of bullet arm and PCBA.

Specifically, the edge of the key main body 401 is provided with a limiting step 4011 with an upward opening, the limiting step 4011 is arranged below the key mounting hole 101, and the limiting step 4011 is in limiting fit with the bottom edge of the key mounting hole 101 so as to limit the upward movement amplitude of the key 4. The function is as follows: through spacing step, can avoid the button too big at the motion range when upwards resetting.

Specifically, the front side surface of the rear case 1 is provided with a mounting opening 102, the front case assembly 10 is mounted to the mounting opening 102, and the pcba board 2 is provided between the rear case 1 and the front case assembly 10. It is worth mentioning that: a front shell assembly: the PCBA board, the rear shell and the like are fixed on the component. PCBA board: the assembly consisting of the micro switch and the PCB board is fixed to the front case assembly by a first screw 11. A first screw: screws for fixing the PCBA board. A rear shell: typically a plastic member, secured to the front housing assembly by means of a snap 13 and a second screw 12. Pressing a key: usually a plastic part, fixed to the rear housing by means of snap-fit and heat-staking. A second screw: and a screw for fixing the rear case.

Assembling steps corresponding to the structure diagram:

1) Fixing the PCBA board with the microswitch to the front shell assembly through a first screw to form an assembly 1 as shown in FIGS. 2-3;

2) The key is fixed on the back shell through the button position and the hot melting to form an assembly 2 as shown in figure 4;

3) The component 2 is fixed on the component 1 through a second screw and a buckling position, and the assembly is completed as shown in FIGS. 5-7;

in the actual assembly process: a gap L6 is required to be arranged between 0.1 mm and 0.2mm in order to prevent the mistaken triggering of the key stepping and the microswitch; the pressing stroke of the microswitch is set to be S2, and in order to ensure reliable pressing contact, the elastic arm moving space of the key needs to meet the requirement that S1 is larger than S2+ L6+0.5mm; of course, the skilled person can also leave enough clearance for the cooperation of the elastic arm and the buckle according to actual needs, which is not illustrated here.

The utility model discloses the technological effect who obtains mainly is:

this design wane button can be pressed down about the axis of rotation of backshell is realized through the bullet arm activity space, and the button supports through detaining position and hot melt and rotation fulcrum, and stable the fixing is on the backshell, and the button is poor easily controlled with peripheral backshell face, steps on the foot and can directly accomplish to save part quantity on the button, because the button itself is fixed on the backshell, need not lean on external force keep balance, rotates the fulcrum and steps on the foot about and do not have strict distance requirement, makes the design more nimble.

The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations are also considered as the protection scope of the present invention.

Claims (10)

1. The utility model provides a novel wane button structure, includes backshell (1), its characterized in that: a PCBA (printed circuit board assembly) board (2) is arranged inside the rear shell (1), and two micro switches (3) are arranged on the top edge of the PCBA board (2); the key mounting structure comprises a rear shell (1), and is characterized in that a key mounting hole (101) is formed in the top edge of the rear shell (1), a key (4) is arranged in the key mounting hole (101), the key (4) comprises a key main body (401), elastic arms (402) and a fixing plate (403), the fixing plate (403) is arranged below the key main body (401), two ends of the bottom edge of the key main body (401) are respectively connected with two ends of the top edge of the fixing plate (403) through the two elastic arms (402), and the fixing plate (403) is fixed on the inner wall of the rear shell (1); two stepping feet (404) are further arranged at two ends of the edge of the bottom of the key body (401), the positions of the two stepping feet (404) correspond to the positions of the two elastic arms (402) respectively, and the two stepping feet (404) are arranged above the two microswitches (3) respectively.

2. The novel rocker button structure of claim 1, wherein: the inner wall of backshell (1) is equipped with axis of rotation (5) that the level extends, the below of button mounting hole (101) is located in axis of rotation (5), the centre at the bottom edge of button main part (401) is equipped with rotation groove (405), rotation groove (405) and axis of rotation (5) normal running fit, axis of rotation (5) radial both sides are located respectively in two bullet arms (402).

3. The novel rocker button structure of claim 2, wherein: the utility model discloses a press key, including axis of rotation (5), button main part (401), two end about the bottom edge of button main part (401) are connected through two bullet arms (402) and the top edge of fixed plate (403) both ends about respectively, two step on foot (404) and locate button main part (401) both ends about the bottom edge respectively, two micro-gap switch (3) are along left and right directions distribution in the top edge of PCBA board (2).

4. A novel rocker button structure as claimed in claim 3, wherein: the inner wall of the rear shell (1) is also provided with a fixing block (6) extending forwards, and the fixing block (6) is arranged below the rotating shaft (5); the front side face of the fixed block (6) is provided with a plurality of positioning columns (7), the fixed plate (403) is provided with a plurality of positioning holes (4031), and the positioning columns (7) are matched with the positioning holes (4031) in a positioning mode.

5. The novel rocker button structure of claim 4, wherein: the positioning column (7) is fixed with the positioning hole (4031) in a hot melting mode; the bottom edge of the key body (401) is integrally connected with the tread (404).

6. The novel rocker key structure as claimed in any one of claims 4 to 5, wherein: the left and right sides of fixed block (6) are equipped with limiting plate (8) that upwards extend respectively, the leading flank of limiting plate (8) and the spacing cooperation of trailing flank of bullet arm (402) to the restriction is beaten arm (402) and is moved backward.

7. A novel rocker button structure according to any one of claims 3 to 5, characterised in that: the inner wall of the rear shell (1) is also provided with two buckles (9) extending forwards, and the two buckles (9) are arranged on the left side and the right side of the rotating shaft (5); one side of the buckle (9) far away from the rotating shaft (5) is provided with a buckle groove (901) with an opening facing the rear, and the buckle grooves (901) of the two buckles (9) are respectively in limit fit with the two elastic arms (402) to limit the forward movement of the elastic arms (402).

8. A novel rocker button structure as claimed in any one of claims 3 to 5, wherein: the two elastic arms (402) are respectively arranged behind the two stepping feet (404), and the PCBA board (2) is arranged in front of the elastic arms (402) and the fixing plate (403).

9. The novel rocker button structure as claimed in any one of claims 1 to 5, wherein: the edge of button main part (401) is equipped with opening spacing step (4011) up, the below of button mounting hole (101) is located in spacing step (4011), the spacing cooperation in bottom edge of spacing step (4011) and button mounting hole (101) to restriction button (4) upward movement's range.

10. The novel rocker button structure as claimed in any one of claims 1 to 5, wherein: the front side of backshell (1) is equipped with installation opening (102), preceding shell subassembly (10) are installed to installation opening (102), PCBA board (2) are located between backshell (1) and preceding shell subassembly (10).

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