CN211830738U

CN211830738U - Touch switch

Info

Publication number: CN211830738U
Application number: CN202020333503.1U
Authority: CN
Inventors: 冯书争; 马斌华
Original assignee: Lisheng Automotive Technology Suzhou Co Ltd
Current assignee: Lisheng Automotive Technology Suzhou Co Ltd
Priority date: 2020-03-17
Filing date: 2020-03-17
Publication date: 2020-10-30
Anticipated expiration: 2030-03-17

Abstract

The utility model discloses a touch switch, its include panel (1) and with base (2) that panel (1) links to each other, touch switch still include with last mounting bracket (3) that panel (1) links to each other, with lower mounting bracket (4) that base (2) link to each other and set up in shell fragment (7) on lower mounting bracket (4), panel (1) can be relative base (2) are followed vertical direction and are removed, shell fragment (7) at least part is maked somebody a mere figurehead, go up mounting bracket (3) be provided with clamp plate (31) that the built on stilts part of shell fragment (7) offsets. The utility model discloses a touch switch can produce the downstream when using, makes operating personnel definitely feel touch switch and is touched, and the operation is felt better, and to the touch switch on the steering wheel, the driver need not the distraction and looks over the touch position, and is more safe.

Description

Touch switch

Technical Field

The utility model relates to a switch, in particular to touch switch.

Background

The touch switch is widely applied, compared with a traditional mechanical switch, the touch switch is relatively simple in structure and generally comprises a panel, a capacitance film and a circuit board electrically connected with the capacitance film, when a person touches a corresponding functional area on the panel, the capacitance film below the panel can generate a corresponding sensing signal, and the circuit board can perform corresponding operations such as signal processing, transmission or sending of a corresponding control instruction and the like after receiving the sensing signal of the capacitance film.

However, the existing touch switch has the following disadvantages: firstly, the existing touch switch does not move downwards like a traditional mechanical switch when touched, so that a user can clearly feel that the switch is touched, the use hand feeling of the existing touch switch is poor, particularly, for a steering wheel switch of an automobile, as the existing touch switch is usually operated in the driving process, a clear pressed feedback is particularly needed, otherwise, a driver needs to be distracted to observe whether the touched position is the touch switch or other areas of the steering wheel, and safety accidents are easily caused; secondly, since the capacitive film can sense a touch signal when the panel is touched, a false touch is easily generated inadvertently, which causes a false triggering of a function.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to the above-mentioned defect among the prior art, provide a touch switch, its sensation that can be clear and definite is touched, has better operation and feels.

In order to realize the above-mentioned utility model purpose, the utility model provides a touch switch, its include the panel and with the base that the panel links to each other, touch switch still include with last mounting bracket that the panel links to each other, with the lower mounting bracket that the base links to each other and set up in shell fragment on the mounting bracket down, the panel can be relative the base is removed along vertical direction, the shell fragment at least part is maked somebody a mere figurehead, go up the mounting bracket be provided with the clamp plate that the built on stilts part of shell fragment offseted.

Furthermore, the utility model discloses still provide following subsidiary technical scheme:

the lower mounting frame is provided with bosses which support two ends of the elastic sheet respectively, mounting grooves are formed in the bosses, and mounting portions matched with the mounting grooves are arranged at the end portions of the elastic sheets.

The side face of the mounting groove is provided with a convex tooth part, and the tooth part clamps the mounting part.

The upper mounting frame is in sliding fit with the base.

The touch switch further comprises a microswitch electrically connected with a circuit board of the touch switch, the upper mounting frame is provided with a jack-prop oppositely arranged with the microswitch, when the panel is pressed down, the jack-prop is driven to press down the microswitch, and when the microswitch is triggered, the touch switch can send a control instruction.

The touch switch further comprises a balancing rod connected between the upper mounting frame and the lower mounting frame, and the balancing rod is rotatably connected with one mounting frame and is in sliding fit with the other mounting frame.

The balancing pole include with lower mounting bracket rotatable coupling's main part and with go up the connector that the mounting bracket slides and connects, the main part with the axis of connector parallels.

The lower mounting frame is provided with a bearing assembly, and the bearing assembly is provided with an arc groove for supporting the main body part and a clamping groove for clamping the main body part.

The bearing assembly comprises a supporting table, a first clamping piece and a second clamping piece, the first clamping piece and the second clamping piece are arranged oppositely, the arc groove is formed in the supporting table, and the clamping groove is formed between the first clamping piece and the second clamping piece.

The upper mounting frame is provided with a long groove, and the connector is arranged in the long groove.

Compared with the prior art, the utility model has the advantages of:

1. the utility model discloses a touch switch is provided with the last mounting bracket that links to each other with the panel, the lower mounting bracket that links to each other with the base and sets up the shell fragment on the mounting bracket down, goes up mounting bracket and panel and can wholly relatively down mounting bracket and base relative motion for during touch panel, can push down the panel, and order about the clamp plate on the mounting bracket and push down the shell fragment, after the panel loses pressure, the shell fragment can order about the panel and reset. In the operation process, the panel can move downwards, so that an operator can clearly feel that the touch switch is touched, the operation hand feeling is better, and for the touch switch on the steering wheel, a driver does not need to check the touch position with a distraction, so that the operation is safer;

2. the touch switch of the utility model is provided with the micro switch, when in operation, the circuit board can send corresponding control signals only when the panel is pressed down to the micro switch to be triggered, thereby realizing related control functions, effectively preventing accidental triggering when the surface of the panel is touched carelessly, and being safer and more reliable;

3. the utility model discloses a touch switch is provided with the balancing pole, and when operating panel, the balancing pole can be simultaneously with power transmission to opposite side, makes the panel and the whole atress of last mounting bracket more balanced, and the uniformity of feeling and the reliability of operation have been guaranteed to the up-and-down motion that can be more steady.

Drawings

Fig. 1 is an exploded view of the touch switch of the present invention.

Fig. 2 is a schematic cross-sectional view of the touch switch of the present invention.

Fig. 3 is a schematic structural diagram of the touch switch of the present invention.

Fig. 4 is a front view of the touch switch of the present invention.

Fig. 5 is a schematic structural view of the upper mounting bracket of the present invention.

Fig. 6 is a schematic structural diagram of the base of the present invention.

Fig. 7 is a schematic structural view of the connection between the lower and middle mounting frames and the balance bar of the present invention.

Fig. 8 is an enlarged view of a portion I in fig. 7.

Fig. 9 is a schematic structural view of the connection between the upper mounting bracket and the balance bar according to the present invention.

Fig. 10 is a schematic structural view of the middle and lower mounting frame of the present invention.

Fig. 11 is a schematic structural diagram of the middle carrier assembly of the present invention.

Fig. 12 is a schematic view of the first holding member, the second holding member and the supporting base of the present invention.

Detailed Description

The following non-limiting detailed description of the present invention is provided in connection with the preferred embodiments and accompanying drawings.

As shown in fig. 1 and 2, a touch switch according to a preferred embodiment of the present invention includes a panel 1, a capacitor film 2, an upper mounting frame 3, a lower mounting frame 4, a circuit board 5, and a base 6.

Wherein panel 1 and last mounting bracket 3 mutual buckle connect and become a whole, and electric capacity membrane 2 sets up between panel 1 and last mounting bracket 3, and when the staff touched panel 1, can produce corresponding inductive signal in electric capacity membrane 2. The capacitance film 2 is electrically connected with the circuit board 5, and the sensing signal of the capacitance film 2 can be received by the circuit board 5.

The panel 1 is connected to a base 6 which is circumferentially relatively fixed to the base 6 but is capable of a small range of relative movement in the vertical direction. Specifically, as shown in fig. 3 and 4, a fastening hole 11 is formed in the peripheral wall 10 of the panel 1, a protruding fastening 60 is provided on the base 6, the fastening connection between the panel 1 and the base 6 is realized by the cooperation of the fastening 60 and the fastening hole 11, and the width a of the fastening 60 is smaller than the width B of the fastening hole 11, so that the whole body formed by the panel 1 and the upper mounting frame 3 can move up and down in the vertical direction relative to the base 60.

As shown in fig. 5 and 6, the upper mounting frame 3 is slidably connected to the base 6, a plurality of connecting posts 30 extending downward are disposed on the upper mounting frame 3, and a chute 300 is vertically disposed on each connecting post 30. The base 6 is provided with a connecting rod 61 extending upwards, a convex sliding block 610 is arranged on the side surface of the connecting rod 61, and the sliding block 610 is matched and connected with the sliding chute 300, so that the upper mounting frame 3 can move in the vertical direction. In this embodiment, the sliding groove 300 includes a first groove 300a with a narrow width, a second groove 300b with a large width, and a transition groove 300c connected between the first groove 300a and the second groove 300b and disposed obliquely, the second groove 300b is located below the first groove 300a, and when the sliding groove is installed, the transition groove 300c and the first groove 300a can play a role of guiding, so that the sliding groove 300 conveniently slides into the first groove 300 a. The cooperation of the sliding chute 300 and the sliding block 610 can further limit the circumferential freedom of the panel 1 and the upper connecting frame 3, and avoid shaking.

Lower mounting bracket 4 is connected with 6 buckles of base, and both are relatively fixed, and circuit board 5 passes through bolted connection on lower mounting bracket 4, and it is located down between mounting bracket 4 and the base 6.

As shown in fig. 7, an overhead spring plate 7 is fixed on the lower mounting bracket 4, and the lower mounting bracket 4 is provided with two bosses 40 for respectively supporting two ends of the spring plate 7, so that the middle part of the spring plate 7 is overhead. As shown in fig. 8, the boss 40 is provided with a mounting groove 400, both ends of the elastic sheet 7 are provided with a mounting portion 70 connected with the mounting groove 400 in a matching manner and a blocking portion 71 having a width larger than that of the mounting portion 70, and the blocking portion 71 is matched with the mounting groove 400 so that the elastic sheet 7 is fixed in the circumferential direction and cannot fall off from the mounting groove 400. The mounting groove 400 may be provided at both sides thereof with slightly protruding teeth 400a so that the mounting part 70 is caught in the teeth 400a, more firmly. With further reference to fig. 9, a pressing plate 31 extending toward the lower mounting frame 4 and abutting against the overhead portion of the elastic sheet 7 is provided on the upper mounting frame 3, and preferably, the pressing plate 31 abuts against the middle portion of the elastic sheet 7. After pressing the panel, panel 1 drives mounting bracket 3 and moves down, makes clamp plate 31 the shell fragment 7 of buckling, and after loosening the panel, the in-process that shell fragment 7 replied the deformation can lift mounting bracket 3 and panel 1, makes it reset. During use, the panel 1 can be pressed down significantly, thereby making the handling feel better.

Provide elasticity through shell fragment 7, the cost is lower, can save space by a wide margin, and the shell fragment 7 only need place during the installation in mounting groove 400 can, the dismouting is very convenient.

As shown in fig. 1 and 2, a micro switch 50 is further disposed on the circuit board 5, an avoiding hole 41 aligned with the micro switch 50 is disposed on the lower mounting frame 4, a top post 32 penetrating through the avoiding hole 41 is disposed on the upper mounting frame 3, when the panel 1 is in the original position, the top post 32 does not press down the micro switch 50, only after the panel 1 is pressed down for a certain distance, the top post 32 presses down the micro switch 50, the circuit board 5 only receives signals of the micro switch 50 and the capacitance film 2 at the same time, and then sends a control instruction, thereby preventing misoperation when the panel 1 is accidentally touched.

As shown in fig. 7 and 9, a balance bar 8 is disposed between the upper mounting frame 3 and the lower mounting frame 4, the balance bar 8 includes a main body portion 80, an adapter portion 81 connected to both ends of the main body portion 80, and a connecting head 82 connected to the adapter portion 81, the connecting head 82 and the main body portion 80 are both cylindrical, and the axes of the connecting head 82 and the main body portion 80 are parallel. Preferably, the balance bar 8 is symmetrical as a whole.

A spreader beam 8 is connected between the upper and

lower mounting brackets

3, 4 and is rotatably connected to one of the mounting brackets and slidably engages the other mounting bracket. In this embodiment, the main body 80 of the balance bar 8 is rotatably connected to the lower mounting frame 4, and the connectors 82 at the two ends are slidably connected to the upper mounting frame 3. In this embodiment, the main body 80 of the balance bar 8 is rotatably connected to the lower mounting frame 4, and the connecting head 82 is slidably coupled to the upper mounting frame 3.

Specifically, as shown in fig. 10 and 11, the lower mounting frame 4 is provided with the bearing assemblies 42, the number of the bearing assemblies 42 can be increased or decreased according to the length of the main body portion 80, in this embodiment, two groups of the bearing assemblies 42 are respectively supported at two ends of the main body portion 80. Bearing assembly 42 includes a supporting bench 420, first clamping piece 421 and the second clamping piece 422 of relative setting, an arc groove 420a with main part 80 periphery adaptation is seted up to supporting bench 420, the cooperation forms draw-in groove 423 between first clamping piece 421 and the second clamping piece 422, first clamping piece 421 and/or second clamping piece 422 upper end are provided with the arc portion 424 that extends to each other for the opening 423a of draw-in groove 423 is less than the diameter of main part 80, make main part 80 can't break away from bearing assembly 42 easily. Each group of bearing components 42 is provided with two supporting platforms 420, and the two supporting platforms 420 are respectively located on two sides of the clamping piece, so as to better support the balance bar 8. In this embodiment, the supporting platform 420, the first clamping piece 421 and the second clamping piece 422 are separated, and under the condition of a certain height, the first clamping piece 421 and the second clamping piece 422 are long in suspension, easy to deform and convenient to disassemble and assemble. However, the supporting stage 420 and the first and second holding

pieces

421 and 422 may be integrally provided, and in this case, the number of the supporting stages 420 is also combined into one, as shown in the figure.

As shown in fig. 5 and 9, the upper mounting bracket 3 is provided with a long groove 33, one end of the long groove 33 is opened to facilitate installation of the connector 82, and the long groove 33 can provide a horizontal offset allowance when the balancing lever 8 rotates around the axis of the circular groove 420, so as to prevent the upper mounting bracket 3 from being locked during vertical movement. The long groove 33 may be horizontally disposed or may have a certain inclination angle with the horizontal direction.

When pressing panel 1, balancing pole 8 makes panel 1 atress more balanced, for example, when pressing panel 1 and being close to the position at edge, balancing pole 8 can transmit the power to panel 1 opposite side simultaneously to make panel 1 can whole steady downstream, and can not take place crooked, the dead problem of card, strengthened greatly and pressed the reliability of feeling and using.

In this embodiment, the number of the balance bars 8 is two, and the two balance bars 8 are arranged along the length direction and the width direction of the touch switch respectively, and the two balance bars 8 are approximately in a T shape, so that the stress is more balanced.

The utility model discloses a touch switch includes following advantage at least:

It should be noted that the above-mentioned preferred embodiments are only for illustrating the technical concepts and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention accordingly, and the protection scope of the present invention cannot be limited thereby. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims

1. A touch switch comprising a panel (1) and a base (2) connected to said panel (1), characterized in that: touch switch still include with last mounting bracket (3) that panel (1) links to each other, with lower mounting bracket (4) that base (2) link to each other and set up in shell fragment (7) on lower mounting bracket (4), panel (1) can be relative base (2) are followed vertical direction and are removed, shell fragment (7) are maked somebody a mere figurehead at least partially, go up mounting bracket (3) be provided with clamp plate (31) that the built on stilts part of shell fragment (7) offseted.

2. The touch switch of claim 1, wherein: the lower mounting frame (4) is provided with bosses (40) which support two ends of the elastic sheet (7) respectively, mounting grooves (400) are formed in the bosses (40), and mounting portions (70) which are matched with the mounting grooves (400) are arranged at the end portions of the elastic sheet (7).

3. The touch switch of claim 2, wherein: the side surface of the mounting groove (400) is provided with a convex tooth part (400a), and the tooth part (400a) clamps the mounting part (70).

4. The touch switch of claim 1, wherein: the upper mounting frame (3) is matched and connected with the base (2) in a sliding mode.

5. The tactile switch according to any one of claims 1 to 4, wherein: it still include with micro-gap switch (50) that touch switch's circuit board (5) electricity is connected, go up mounting bracket (3) be provided with post (32) that micro-gap switch (50) set up relatively, when panel (1) pushes down, drive post (32) are pushed down micro-gap switch (50) when triggered, touch switch just can send control command.

6. The tactile switch according to any one of claims 1 to 4, wherein: the balance rod (8) is connected between the upper mounting frame (3) and the lower mounting frame (4), and the balance rod (8) is rotatably connected with one mounting frame and is in sliding fit with the other mounting frame.

7. The touch switch of claim 6, wherein: the balancing pole (8) include with mounting bracket (4) rotatable connection's main part (80) down and with go up mounting bracket (3) slip and connect connector (82) of joining in marriage, main part (80) with the axis of connector (82) parallels.

8. The touch switch of claim 7, wherein: the lower mounting frame (4) is provided with a bearing component (42), and the bearing component (42) is provided with an arc groove (420a) for supporting the main body part (80) and a clamping groove (423) for clamping the main body part (80).

9. The touch switch of claim 8, wherein: the bearing assembly (42) comprises a supporting table (420), a first clamping piece (421) and a second clamping piece (422) which are arranged oppositely, the arc groove (420a) is formed in the supporting table (420), and the clamping groove (423) is formed between the first clamping piece (421) and the second clamping piece (422).

10. The touch switch of claim 7, wherein: an elongated slot (33) is formed in the upper mounting frame (3), and the connector (82) is arranged in the elongated slot (33).