CN211166738U

CN211166738U - Switch knob and vehicle-mounted touch screen

Info

Publication number: CN211166738U
Application number: CN201921846959.1U
Authority: CN
Inventors: 洪金镳; 苏朝晖; 欧阳昌雄; 王东亮
Original assignee: GUANGDONG SHENGWEI ELECTRONIC PRODUCTS Ltd
Current assignee: GUANGDONG SHENGWEI ELECTRONIC PRODUCTS Ltd
Priority date: 2019-10-30
Filing date: 2019-10-30
Publication date: 2020-08-04
Anticipated expiration: 2029-10-30

Abstract

The utility model discloses a switch knob and on-vehicle touch-sensitive screen belongs to the multimedia control technical field in the touch-sensitive screen. The switch knob comprises a fixing component, and the fixing component is detachably connected to the touch screen; the rotating component is rotatably sleeved outside the fixed component; the switch assembly and the gear assembly are arranged on the rotating assembly and located between the fixing assembly and the rotating assembly, the gear assembly is communicated with the touch screen to form a coupling capacitor, the gear assembly is configured to rotationally select any one of the functional modules on the touch screen, and the switch assembly can be communicated with the touch screen corresponding to the selected functional module to form the coupling capacitor. The vehicle-mounted touch screen comprises a touch screen body and a switch knob, wherein the switch knob is detachably connected to the touch screen body. The switch knob can be directly installed on the touch screen body for use under the condition that the integrity of the touch screen is not damaged, local blind operation can be realized, and the driving safety is improved.

Description

Switch knob and vehicle-mounted touch screen

Technical Field

The utility model relates to a multimedia control technical field in the touch-sensitive screen especially relates to a switch knob and on-vehicle touch-sensitive screen.

Background

With the improvement of vehicle manufacturing technology, an audio-visual navigation system is generally arranged on an automobile so as to facilitate navigation and play of videos or music.

In the prior art, a user usually touches a click screen with a finger to perform multimedia control in a vehicle-mounted high-definition touch screen. The method of directly clicking by a human finger is adopted, a driver needs to stare at the touch screen all the time to operate, the attention of the driver is dispersed, and the method is dangerous in the driving process; the traditional potentiometer encoder knob needs a wire or a terminal pin to be connected with a control board to transmit signals, and the knob cannot be directly installed on the touch screen to be used under the condition that the integrity of the touch screen is not damaged.

Therefore, there is a need for a switch knob that can be conveniently mounted on a touch screen for use in order to solve the above-mentioned problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a switch knob and on-vehicle touch-sensitive screen, can be under the condition of not destroying touch-sensitive screen integrality, the direct mount uses on the touch-sensitive screen, and can realize local blind operation, improves and drives the security.

To achieve the purpose, the utility model adopts the following technical proposal:

a switch knob, comprising:

the fixing component is detachably connected to the touch screen;

the rotating assembly is rotatably sleeved outside the fixed assembly;

the switch assembly and the gear assembly are arranged on the rotating assembly and located between the fixed assembly and the rotating assembly, the gear assembly is communicated with the touch screen to form a coupling capacitor, the gear assembly is configured to be selected in a rotating mode to any functional module on the touch screen, and the switch assembly can be communicated with the touch screen corresponding to the selected functional module to form a coupling capacitor.

The gear assembly comprises a first spring and a first conducting strip abutted to the bottom of the first spring, the first conducting strip is arranged at the bottom of the rotating assembly and abutted to the touch screen to form a coupling capacitor, and the first spring is configured to be capable of conducting a human finger and the first conducting strip.

The switch assembly comprises a second spring, a first metal dome and a second conducting strip, wherein the second spring, the first metal dome and the second conducting strip are arranged from top to bottom, the first metal dome is configured to be electrically communicated with the second conducting strip, the second conducting strip is arranged at the bottom of the rotating assembly and abutted with the touch screen to form a coupling capacitor, and the second spring is configured to be capable of being communicated with a human finger and the first metal dome.

Wherein, rotating assembly includes support and the rotating part of arranging from bottom to top, the rotating part cover is located outside the support and can drive the support is rotatory, switch module with the gear subassembly sets up on the support, the rotating part is configured to can follow vertical direction and presses first dome piece.

The rotating assembly further comprises a touch ring, the touch ring is clamped on the upper portion of the rotating portion, the first spring and the second spring are abutted against the touch ring, and the touch ring is configured to be capable of pressing the rotating portion along the vertical direction through a finger of a person.

The bottom of the rotating part is convexly provided with a pressing part, and the pressing part can press the first snap dome along the vertical direction.

The fixing assembly comprises a base and a fixing base, the support is rotatably sleeved on the base, the support and the rotating part are of a hollow structure, the fixing base penetrates through the rotating part and the support, the support is clamped on the base, and the upper surface of the touch ring is not lower than the upper surface of the fixing base.

The wave part is arranged on the circumferential surface of the base, the elastic positioning component matched with the wave part is arranged on the support, one end of the elastic positioning component is abutted to the wave part, the other end of the elastic positioning component is fixed to the support, and the elastic positioning component can move along the circumferential direction to abut against different wave troughs of the wave part.

The support is characterized in that a positioning hole channel is formed in the side wall of the support, the elastic positioning assembly comprises a cylindrical positioning sleeve, a positioning spring and a positioning baffle, one end of the positioning sleeve is closed and abutted to the wavy portion, the other end of the positioning sleeve is open, one end of the positioning spring extends into the positioning sleeve, the other end of the positioning spring is abutted to the positioning baffle, and the positioning baffle is fixed to the support.

In order to achieve the above object, the utility model also provides an on-vehicle touch-sensitive screen, including the touch-sensitive screen body with as above switch knob, switch knob can dismantle connect in on the touch-sensitive screen body.

Compared with the prior art, the utility model discloses an advantage and beneficial effect lie in:

the utility model provides a switch knob, this switch knob include fixed subassembly, rotating assembly, switch module and gear subassembly. The switch assembly and the gear assembly are arranged on the rotating assembly and located between the fixed assembly and the rotating assembly. When the touch screen is used specifically, the gear component is communicated with the touch screen to form a coupling capacitor, and the gear component rotates on the touch screen to select any functional module on the touch screen; after a certain function module is selected, the switch knob can be communicated with the corresponding touch screen area to form a coupling capacitor, and the function of confirming the function module is realized. The switch knob can be directly installed on the touch screen for use under the condition that the integrity of the touch screen is not damaged, local blind operation can be realized, and the driving safety is improved.

The utility model also provides an on-vehicle touch-sensitive screen, including touch-sensitive screen body and above-mentioned switch knob, switch knob can dismantle to be connected on the touch-sensitive screen body. The vehicle-mounted touch screen is good in integrity, local blind operation can be achieved, and driving safety is improved.

Drawings

Fig. 1 is an exploded view of a switch knob according to an embodiment of the present invention;

fig. 2 is a longitudinal sectional view of a switch knob according to an embodiment of the present invention;

fig. 3 is an exploded view of a gear assembly provided in an embodiment of the present invention;

fig. 4 is an exploded view of a switch assembly according to an embodiment of the present invention;

fig. 5 is an exploded view of a rotating assembly according to an embodiment of the present invention;

fig. 6 is a schematic view of a part of a switch knob according to an embodiment of the present invention;

fig. 7 is an exploded view of a securing assembly according to an embodiment of the present invention;

fig. 8 is an exploded view of a spring positioning assembly according to an embodiment of the present invention;

fig. 9 is a schematic structural view of a switch knob according to an embodiment of the present invention.

Reference numerals:

1. a fixing assembly; 11. a base; 111. a wave portion; 12. a fixed seat;

2. a switch assembly; 21. a second spring; 22. a first metal dome; 23. a contact piece; 231. a first support section; 232. a second support portion; 24. a second conductive sheet; 241. a first conductive portion; 242. a second conductive portion;

3. a gear assembly; 31. a first spring; 32. a first conductive sheet;

4. a rotating assembly; 411. a support; 4111. positioning the pore channel; 412. a rotating part; 4121. a pressing part; 4122. an anti-slip portion; 42. a touch ring;

5. an elastic positioning component; 51. a positioning sleeve; 52. a positioning spring; 53. and positioning the blocking piece.

Detailed Description

In order to make the technical problem solved by the present invention, the technical solution adopted by the present invention and the technical effect achieved by the present invention clearer, the technical solution of the present invention will be further explained by combining the drawings and by means of the specific implementation manner.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. 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.

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

As shown in fig. 1 and 2, the present embodiment provides a switch knob including a fixing member 1, a rotating member 4, a switch member 2, and a shift position member 3. Wherein, fixed subassembly 1 can be dismantled and connect on the touch-sensitive screen, and the rotatory cover of rotating assembly 4 is located outside fixed subassembly 1. Switch module 2 and gear subassembly 3 set up on rotating assembly 4 and lie in between fixed subassembly 1 and the rotating assembly 4, and gear subassembly 3 and touch-sensitive screen intercommunication form coupling capacitance, and gear subassembly 3 is configured as the rotatory arbitrary function module of selecting on the touch-sensitive screen, and switch module 2 can form coupling capacitance with the touch-sensitive screen intercommunication that the function module of selecting corresponds. Wherein, switch module 2 and gear subassembly 3 are electrically conductive material, and fixed subassembly 1 is insulating material.

In the prior art, the working principle of the capacitive touch screen is that when a finger touches the touch screen, a coupling capacitor is formed between a user and the surface of the touch screen, and the position of a touch point is obtained through calculation processing of a controller. The utility model provides a shift knob's principle is that, the user points gear subassembly 3 and switch module 2 through the switch knob in with human electric field and touch-sensitive screen surface electric conductance switch-on, forms coupling capacitance, and wherein gear subassembly 3 points the state that is in the electric conductance always with the user, and gear subassembly 3 is in the state that the electric conductance switched-on always with the touch-sensitive screen promptly. Specifically, a user operates a switch knob by fingers, and the switch component 2 and the gear component 3 are driven to rotate by rotating the rotating component 4, so that a coupling capacitor is formed on the surface of the gear component 3 and the surface of the touch screen, and the function of selecting functional modules at different positions of the touch screen is realized, wherein for most of the touch screens, when a certain functional module is selected, the corresponding functional module can be highlighted to remind the user; in the process of rotating the switch knob, the switch component 2 does not form a coupling capacitor with the touch screen, and after a certain selected functional module is selected, a user presses the switch component 2 to enable a finger to be communicated with the touch screen to generate a coupling capacitor, and finally confirmation of the selected functional module is achieved.

In the process of using the switch knob, a user only needs to operate the switch knob without observing, clicking, confirming and other operations on the whole touch screen, the switch knob pasted on the touch screen can be directly installed on the touch screen for use under the condition of not damaging the integrity of the touch screen, and finally local blind operation is realized, and the driving safety is improved.

Specifically, as shown in fig. 3, the gear position assembly 3 includes a first spring 31 and a first conductive sheet 32 abutting against the bottom of the first spring 31, the first spring 31 is configured to conduct a human finger and the first conductive sheet 32, and the first conductive sheet 32 is disposed at the bottom of the rotating assembly 4 and abuts against the surface of the touch screen to form a coupling capacitor. Through the first spring 31 and the first conducting strip 32 made of metal materials, the state that the finger is always conducted with the touch screen is realized, and the function of selecting different functional modules on the touch screen is realized.

As shown in fig. 4, the switch assembly 2 includes a second spring 21, a first metal dome 22 and a second conducting strip 24 arranged from top to bottom, the first metal dome 22 is configured to be electrically conducted with the second conducting strip 24, the second conducting strip 24 is disposed at the bottom of the rotating assembly 4 and abuts against the surface of the touch screen to form a coupling capacitor, and the second spring 21 is configured to be capable of conducting a human finger and the first metal dome 22. The finger is electrically conducted with the first snap dome 22 through the second spring 21, the second conducting strip 24 is in an electrically conducting state with the touch screen, whether the first snap dome 22 is electrically conducted with the second conducting strip 24 or not is determined, and the function of confirming the selected functional module can be realized if the first snap dome 22 is electrically conducted with the second conducting strip 24. As shown in fig. 4, the switch assembly 2 further includes a contact piece 23. The contact piece 23 functions to support and electrically conduct the second spring 21 and the first snap dome 22.

Specifically, the contact piece 23 includes a first supporting portion 231 and a second supporting portion 232 that are electrically conducted to each other, and the second conductive sheet 24 includes a first conductive portion 241 and a second conductive portion 242 that are electrically conducted to each other, wherein the first conductive portion 241 is in a state of being electrically conducted to the touch screen surface at all times. The contact piece 23 serves to electrically connect the second spring 21 and the first snap dome 22, and specifically, the first supporting portion 231 supports and is electrically connected to the first snap dome 22, and the second supporting portion 232 supports and is electrically connected to the second spring 21, so that the second spring 21 and the first snap dome 22 are electrically connected. The first supporting portion 231 is a semi-annular structure, the second conductive portion 242 is located in the semi-annular structure, and the first snap dome 22 can be electrically conducted with the second conductive portion 242 and then with the first conductive portion 241 by pressing down, so that the finger and the touch screen are electrically conducted finally.

As shown in fig. 2 and 5, the rotating assembly 4 includes a support 411 and a rotating portion 412 arranged from bottom to top, the rotating portion 412 is sleeved outside the support 411 and can drive the support 411 to rotate, the switch assembly 2 and the gear assembly 3 are disposed on the support 411, and the rotating portion 412 is configured to press the first snap dome 22 in a vertical direction. Rotating part 412 drives support 411, switch module 2 and the rotatory selection function module of gear subassembly 3, confirms behind a certain function module, presses rotating part 412 in order to press first metal dome 22 along vertical direction, and first metal dome 22 leads to with the touch-sensitive screen electricity to realize the electric conductance of finger and touch-sensitive screen, realize the affirmation to corresponding function module. The holder 411 and the rotating portion 412 are made of an insulating material.

Further, the rotating assembly 4 further includes a touch ring 42, the touch ring 42 is engaged with an upper portion of the rotating portion 412, and the touch ring 42 is rotatable with the rotating portion 412. The touch ring 42 is made of a conductive material, and in this embodiment, a plastic material plated with a chromium layer is preferred. Both the first spring 31 and the second spring 21 abut on the touch ring 42, the finger presses the touch ring 42 in the vertical direction, the touch ring 42 presses the rotating portion 412 downward, and the rotating portion 412 moves downward to press the first snap 22. The first spring 31 and the second spring 21 act to resiliently return the touch ring 42, that is, the touch ring 42 returns to its original state after the finger stops pressing.

Fig. 6 is a schematic view of a part of the switch knob, and fig. 6 does not show the support 411, the first snap dome 22, the first conductive tab 32 and the second conductive tab 24. A pressing part 4121 is convexly provided at the bottom of the rotating part 412, the pressing part 4121 is provided right above the first snap dome 22, and the pressing part 4121 can vertically press the first snap dome 22. The pressing portion 4121 is a convex pillar structure protruding from the bottom surface of the rotating portion 412, the convex pillar structure is opposite to the center position of the first snap dome 22, and when the rotating portion 412 moves along the vertical direction, the convex pillar structure abuts against and presses the first snap dome 22, so that the pressed position of the first snap dome 22 is in contact with the second conductive portion 242 to be electrically connected.

Preferably, in order to increase the feel of the rotating portion 412 when pressing downward, two or more convex pillar structures identical to the pressing portion 4121 are further provided in the circumferential direction of the bottom of the rotating portion 412, and snap pieces are correspondingly provided below the convex pillar structures. When the rotating portion 412 is pressed, the user's hand feeling can be enhanced, and the user's experience can be improved.

As shown in fig. 7, the fixing assembly 1 includes a base 11 and a fixing base 12. Wherein, the base 11 is located to the rotatory cover of support 411, and support 411 and rotating part 412 are hollow structure, and fixing base 12 passes rotating part 412 and support 411 joint on base 11, and the upper surface of touch ring 42 is not lower than the upper surface of fixing base 12. The base 11 can be adhered to the surface of the touch screen by using adhesive substances such as glue, double faced adhesive tape and the like, and the switch knob can be directly used on the touch screen under the condition of not damaging the integrity of the surface of the touch screen.

Preferably, the circumferential surface of the base 11 is provided with a wave portion 111, the support 411 is provided with an elastic positioning component 5 used in cooperation with the wave portion 111, one end of the elastic positioning component 5 abuts against the wave portion 111, the other end of the elastic positioning component is fixed on the support 411, and the elastic positioning component 5 can rotate along the circumferential direction along with the support 411 to abut against different wave troughs of the wave portion 111. When rotating the switch knob, the rotating part 412 drives the support 411 to rotate, and the elastic positioning component 5 can constantly stretch out and draw back with the different trough departments of butt at wave portion 111 to form the feeling of setback, the feeling of reinforcing the user when rotatory, improvement user's experience.

Further, as shown in fig. 5 and 8, a positioning hole 4111 is formed on a side wall of the support 411. The elastic positioning assembly 5 comprises a cylindrical positioning sleeve 51, a positioning spring 52 and a positioning baffle 53. One end of the positioning sleeve 51 is closed and abutted against the wavy portion 111, the other end of the positioning sleeve is open, one end of the positioning spring 52 extends into the positioning sleeve 51, the other end of the positioning spring is abutted against the positioning blocking piece 53, and the positioning blocking piece 53 is fixed on the support 411. When the support 411 drives the elastic positioning component 5 to rotate, the positioning spring 52 can stretch along with the conversion of the wave crest and the wave trough so as to realize the free sliding of the positioning sleeve 51 between the wave crest and the wave trough.

Preferably, as shown in fig. 9, a slip prevention portion 4122 is provided on a circumferential side surface of the rotation portion 412. The provision of the anti-slip portion 4122 can improve the stability of the contact of the human hand with the switch knob, so that it is easier for the user to rotate the rotating assembly 4, improving the user experience.

The operation process of the switch knob provided by the embodiment is as follows: the user rotates the rotating assembly 4, the switch assembly 2 and the gear assembly 3 rotate along with the rotating, a finger is always in contact with the touch ring 42, when the rotating assembly 4 rotates to a certain functional module, the gear assembly 3 and the corresponding functional module in the touch screen form a coupling capacitor, the touch ring 42 is pressed at the moment, the pressing portion 4121 at the bottom of the rotating portion 412 is abutted to and presses the first snap dome 22, the first snap dome 22 is electrically conducted with the second conductive portion 242 and further electrically conducted with the first conductive portion 241 and further electrically conducted with the touch screen, the finger sequentially passes through the touch ring 42, the second spring 21, the contact piece 23, the first snap dome 22 and the second conductive piece 24 to be communicated with the touch screen to form a coupling capacitor, and finally confirmation of the corresponding functional module is achieved.

The embodiment also provides a vehicle-mounted touch screen which comprises a touch screen body and the switch knob. The switch knob is detachably connected to the touch screen body, and the switch knob is installed on the touch screen body to be used under the condition that the integrity of the touch screen body is not damaged, so that the functional module of the touch screen is selected, the situation that a driver always stares at the touch screen to operate and disperse attention can be avoided, local blind operation is realized, and driving safety is improved.

The above description is only for the preferred embodiment of the present invention, and for those skilled in the art, there are variations on the detailed description and the application scope according to the idea of the present invention, and the content of the description should not be construed as a limitation to the present invention.

Claims

1. A switch knob, comprising:

the fixing component (1), the fixing component (1) is detachably connected to the touch screen;

the rotating assembly (4), the rotating assembly (4) is rotationally sleeved outside the fixed assembly (1);

switch assembly (2) and gear position subassembly (3), switch assembly (2) with gear position subassembly (3) set up on rotating component (4) and lie in fixed subassembly (1) with between rotating component (4), gear position subassembly (3) with the touch-sensitive screen intercommunication forms coupling capacitance, gear position subassembly (3) are configured as can rotate with rotating component (4) in order to select arbitrary function module on the touch-sensitive screen, switch assembly (2) can be operated and are selected the function module corresponds touch-sensitive screen intercommunication forms coupling capacitance.

2. The switch knob according to claim 1, wherein the gear position assembly (3) comprises a first spring (31) and a first conductive sheet (32) abutting against the bottom of the first spring (31), the first conductive sheet (32) is arranged at the bottom of the rotating assembly (4) and abuts against the touch screen to form a coupling capacitor, and the first spring (31) is configured to conduct a human finger and the first conductive sheet (32).

3. The switch knob according to claim 2, wherein the switch assembly (2) comprises a second spring (21), a first snap dome (22) and a second conducting strip (24) arranged from top to bottom, the first snap dome (22) is configured to be electrically communicated with the second conducting strip (24), the second conducting strip (24) is arranged at the bottom of the rotating assembly (4) and is abutted with the touch screen to form a coupling capacitor, and the second spring (21) is configured to be capable of conducting a human finger and the first snap dome (22).

4. The switch knob according to claim 3, characterized in that said rotating assembly (4) comprises a support (411) and a rotating portion (412) arranged from bottom to top, said rotating portion (412) is sleeved outside said support (411) and can drive said support (411) to rotate, said switch assembly (2) and said gear assembly (3) are arranged on said support (411), said rotating portion (412) is configured to press said first snap dome (22) in a vertical direction.

5. The switch knob according to claim 4, wherein said rotating member (4) further comprises a touch ring (42), said touch ring (42) is snapped on an upper portion of said rotating portion (412), said first spring (31) and said second spring (21) are abutted on said touch ring (42), said touch ring (42) is configured to be capable of pressing said rotating portion (412) in a vertical direction by a human finger.

6. The switch knob according to claim 4, wherein a pressing portion (4121) is protruded from a bottom of the rotating portion (412), and the pressing portion (4121) can press the first snap dome (22) in a vertical direction.

7. The switch knob according to claim 5, wherein the fixing assembly (1) comprises a base (11) and a fixing seat (12), the support (411) is rotatably sleeved on the base (11), the support (411) and the rotating portion (412) are both hollow structures, the fixing seat (12) penetrates through the rotating portion (412) and the support (411) to be clamped on the base (11), and the upper surface of the touch ring (42) is not lower than the upper surface of the fixing seat (12).

8. The switch knob according to claim 7, wherein a wave portion (111) is provided on a circumferential surface of the base (11), a resilient positioning member (5) cooperating with the wave portion (111) is provided on the support (411), one end of the resilient positioning member (5) abuts against the wave portion (111) and the other end is fixed on the support (411), and the resilient positioning member (5) is capable of moving circumferentially to abut against different wave troughs of the wave portion (111).

9. The switch knob according to claim 8, wherein a positioning hole (4111) is formed in a side wall of the support (411), the elastic positioning component (5) comprises a cylindrical positioning sleeve (51), a positioning spring (52) and a positioning stop piece (53), one end of the positioning sleeve (51) is closed and abuts against the wavy portion (111), the other end of the positioning sleeve (51) is open, one end of the positioning spring (52) extends into the positioning sleeve (51), the other end of the positioning spring abuts against the positioning stop piece (53), and the positioning stop piece (53) is fixed on the support (411).

10. A vehicle-mounted touch screen is characterized by comprising a touch screen body and the switch knob according to any one of claims 1 to 9, wherein the switch knob is detachably connected to the touch screen body.