CN221200986U

CN221200986U - Knob switch based on range finding response

Info

Publication number: CN221200986U
Application number: CN202322467231.0U
Authority: CN
Inventors: 魏晓波; 王周剑; 赵仕贤
Original assignee: Suzhou Mobis Electronic Technology Co ltd
Current assignee: Suzhou Mobis Electronic Technology Co ltd
Priority date: 2023-09-12
Filing date: 2023-09-12
Publication date: 2024-06-21
Anticipated expiration: 2033-09-12

Abstract

The utility model discloses a knob switch based on ranging induction, which comprises: the switch comprises a knob cover, a knob upper bracket part, a knob body, a knob lower bracket part, a switch PCB and a switch shell; the knob cover is clamped with the upper bracket part of the knob, and the upper bracket part of the knob is provided with a compression bar part; the knob body is sleeved on the outer side of the knob cover, the knob body is clamped with a knob lower bracket part, the knob lower bracket part is provided with a concave-convex sliding surface in a plurality of areas, the sliding surface is elastically connected with the switch shell through corresponding elastic pieces, and the knob lower bracket part is provided with a magnetic induction coil; the switch PCB is provided with a button and a plurality of ranging sensors. According to the utility model, the knob body is rotated positively and negatively, and the distance change value is sensed by the distance measuring sensor, so that function conversion is realized. And based on the ranging sensor, the electric signal output is more stable, and the functional failure caused by poor contact of structural members is avoided.

Description

Knob switch based on range finding response

Technical Field

The utility model particularly relates to a knob switch based on distance measurement induction.

Background

Vehicles are widely applied in modern society, and great convenience is brought to production and life of people. A knob switch is integrated on the vehicle for controlling volume adjustment, a navigation system, mobile communication, etc.

The existing knob switch mainly adopts a structure that a knob and a sliding contact piece are matched with each other, and is realized by a structural member sliding contact principle. However, the repeated friction occurs during the sliding process of the structural member, and the problem of poor contact is easily caused under the condition of higher requirements on the durability life.

Disclosure of utility model

In order to solve the technical problems, the utility model provides a knob switch based on distance measurement sensing.

In order to achieve the above purpose, the technical scheme of the utility model is as follows:

The utility model discloses a knob switch based on ranging induction, which comprises: the switch comprises a knob cover, a knob upper bracket part, a knob body, a knob lower bracket part, a switch PCB and a switch shell;

The knob cover is clamped with the knob upper bracket part, the knob upper bracket part can move along the axial direction of the knob cover, the knob upper bracket part is provided with a pressure lever part, and the pressing end of the pressure lever part is used for applying pressure to a button on the switch PCB;

The knob body is sleeved on the outer side of the knob cover, the knob body is clamped with a knob lower support part, the knob lower support part can rotate along the circumference of the knob body, the knob lower support part is provided with a concave-convex sliding surface in a plurality of areas, the sliding surface is elastically connected with the switch shell through corresponding elastic pieces, the elastic pieces can slide relative to the sliding surface, and a magnetic induction coil is arranged on the side, close to the switch PCB, of the knob lower support part;

the switch PCB is provided with a button and a plurality of distance measuring sensors, wherein the button is electrically connected with the switch PCB, the distance measuring sensors are used for detecting the distance from the magnetic induction coil to the switch PCB, and the switch PCB is installed in the switch shell and below the knob upper bracket part and the knob lower bracket part.

The utility model discloses a knob switch based on distance measurement induction, which has the following beneficial effects:

First, through forward, the anti-rotation knob body, utilize range sensor response distance variation value, realize the function conversion. And based on the ranging sensor, the electric signal output is more stable, and the functional failure caused by poor contact of structural members is avoided.

Second, by pressing the knob cover, function conversion can also be achieved.

Thirdly, the structure is ingenious, and in view of the fact that repeated friction cannot occur, the service life of the knob switch is longer.

On the basis of the technical scheme, the following improvement can be made:

As a preferable scheme, the knob cover is of a U-shaped structure, an upper notch is formed in the inner surface of the bottom wall of the knob cover, and a cover side through hole is formed in the side wall of the knob cover;

The upper notch is used for being clamped with the connecting end of the compression bar part;

The cover side through hole is used for being clamped with the outer clamping part of the upper support part of the knob.

By adopting the preferable scheme, the structure of the knob cover is more stable, and the knob cover can be clamped with the upper bracket part of the knob.

As a preferable scheme, the knob upper bracket part is of a hollow cylindrical structure, an outer clamping part is arranged on the outer surface of the side wall of the knob upper bracket part, and a compression bar part connected with the inner surface of the side wall of the knob upper bracket part is arranged in a hollow cavity of the knob upper bracket part;

the outer clamping part is used for extending into the cover side through hole of the knob cover and is clamped with the knob cover;

The connecting end of the pressure lever part is used for extending into the upper notch of the knob cover and is clamped with the upper notch, and the pressing end of the pressure lever part is used for applying pressure to a button on the switch PCB.

By adopting the preferable scheme, the structure of the upper bracket part of the knob is more stable, and the upper bracket part of the knob can be clamped with the knob cover.

Preferably, the knob switch further comprises: a knob lower fixing part;

The knob lower fixed part is hollow tubular structure, includes: the inner cylinder side wall, the outer cylinder side wall and the bottom boss form an annular notch;

the annular notch is used for fixing the lower end of the side wall of the knob upper bracket;

the bottom boss is used for stretching into the fixed through hole on the switch PCB board to with its joint.

By adopting the preferable scheme, the knob lower fixing part can fix the knob upper bracket.

As a preferable scheme, an inner fastening part is arranged on the inner surface of the side wall of the upper bracket part of the knob, a cylinder side through hole is arranged on the side wall of the inner cylinder, and the inner fastening part is used for extending into the cylinder side through hole of the side wall of the inner cylinder and is fastened with the cylinder side through hole.

By adopting the preferable scheme, the upper bracket part of the knob can be well clamped with the lower fixing part of the knob.

As a preferable aspect, the knob lower bracket part has a hollow cylindrical structure, and includes: the inner side surface of the side wall of the bracket is provided with a bracket boss and/or a bracket clamping part which are used for being clamped with the knob body;

The front surface of the bracket disc is provided with a plurality of areas with concave-convex sliding surfaces, and the back surface of the bracket disc is provided with coil mounting grooves for mounting magnetic induction coils.

By adopting the preferable scheme, the lower bracket part of the knob has stable structure.

Preferably, the inner side surface of the side wall of the bracket is provided with a step surface for placing the side wall of the inner cylinder of the lower fixing part of the knob.

By adopting the preferable scheme, the lower fixing part of the knob can fix the lower bracket part of the knob.

As the preferable scheme, the knob body is hollow tubular structure, is equipped with body notch and/or body through-hole on the lateral wall of knob body, and body notch is used for with the support boss joint of knob lower carriage portion, and body through-hole is used for with support buckle portion joint.

By adopting the preferable scheme, the knob body and the knob lower bracket part are well clamped.

As a preferable scheme, the knob body is sleeved on the outer side of the knob cover through a decorative ring.

By adopting the preferable scheme, the knob switch is more attractive.

Preferably, an elastic member mounting groove for mounting the elastic member is provided in the switch housing.

With the adoption of the preferable scheme, the elastic piece cannot deviate.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of a knob switch according to an embodiment of the present utility model.

Fig. 2 is a top view of a knob switch according to an embodiment of the present utility model.

Fig. 3 is a cross-sectional view A-A of fig. 2.

Fig. 4 is a schematic structural view of a knob cover according to an embodiment of the present utility model.

Fig. 5 is a schematic structural view of an upper bracket portion of a knob according to an embodiment of the present utility model.

Fig. 6 is a second schematic structural view of a knob upper bracket according to an embodiment of the present utility model.

Fig. 7 is a schematic structural diagram of a knob body according to an embodiment of the present utility model.

Fig. 8 is a schematic structural view of a lower bracket portion of a knob according to an embodiment of the present utility model.

Fig. 9 is a second schematic structural view of a lower bracket portion of a knob according to an embodiment of the present utility model.

Fig. 10 is a schematic structural diagram of a switch PCB according to an embodiment of the present utility model.

Fig. 11 is a schematic structural diagram of a switch housing according to an embodiment of the present utility model.

Fig. 12 is a schematic structural view of a lower fixing portion of a knob according to an embodiment of the present utility model.

Fig. 13 is a schematic structural view of a decorative ring according to an embodiment of the present utility model.

Fig. 14 is an assembly view of a knob body and a knob lower bracket part according to an embodiment of the present utility model.

Fig. 15 is a schematic structural diagram of a knob switch (hiding bottom cover and switch PCB board) according to an embodiment of the present utility model.

Wherein: 1-knob cover, 11-upper notch, 12-cover side through hole, 2-knob upper bracket part, 21-outer clip part, 22-press rod part, 221-connecting end, 222-pressing end, 23-inner clip part, 24-bracket projection, 3-knob body, 31-body notch, 32-body through hole, 4-knob lower bracket part, 41-bracket side wall, 411-bracket boss, 412-bracket clip part, 413-step surface, 42-bracket disk, 421-sliding surface, 43-coil mounting groove, 5-switch PCB board, 51-button, 52-ranging sensor, 53-fixing through hole, 6-switch housing, 61-elastic piece mounting groove, 7-bottom cover, 8-knob lower fixing part, 81-inner barrel side wall, 811-barrel side through hole, 82-outer barrel side wall, 83-bottom boss, 84-annular notch, 9-decorative ring, 91-decorative ring clip part, 92-bayonet.

Detailed Description

Preferred embodiments of the present utility model will be described in detail below with reference to the accompanying drawings.

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In addition, the expression "comprising" an element is an "open" expression which merely means that the corresponding component is present and should not be interpreted as excluding the additional component.

To achieve the object of the present utility model, in some embodiments of a range sensing based rotary switch, as shown in fig. 1 to 15, the rotary switch includes: the switch comprises a knob cover 1, a knob upper bracket part 2, a knob body 3, a knob lower bracket part 4, a switch PCB 5 and a switch shell 6;

The knob cover 1 is clamped with the knob upper bracket part 2, the knob upper bracket part 2 can move along with the knob cover 1 along the axial direction of the knob upper bracket part 2, the knob upper bracket part 2 is provided with a pressure lever part 22, and the pressing end 222 of the pressure lever part 22 is used for applying pressure to the button 51 on the switch PCB 5;

The knob body 3 is sleeved on the outer side of the knob cover 1, the knob body 3 is clamped with the knob lower bracket part 4, the knob lower bracket part 4 can rotate along with the knob body 3 along the circumferential direction, the knob lower bracket part 4 is provided with a concave-convex sliding surface 421 in the left area and the right area, the sliding surface 421 is elastically connected with the switch shell 6 through corresponding elastic pieces (not shown in the figure), the elastic pieces can slide relatively with the sliding surface 421, and a magnetic induction coil (not shown in the figure) is arranged on the side, close to the switch PCB 5, of the knob lower bracket part 4;

The switch PCB 5 is provided with a button 51 and two distance measuring sensors 52 which are electrically connected with the button, the distance measuring sensors 52 are used for detecting the distance from the magnetic induction coil to the switch PCB 5, the switch PCB 5 is installed in the switch shell 6 and below the knob upper bracket part 2 and the knob lower bracket part 4.

The working process of the utility model is as follows:

The knob cover 1 is applied with a pressing force, the knob cover 1 drives the knob upper bracket part 2 to move downwards along the axial direction of the knob upper bracket part 2, the pressing end 222 of the pressing rod part 22 of the knob upper bracket part 2 applies a pressing force to the button 51 on the switch PCB 5, and the button 51 sends a corresponding signal to the switch PCB 5.

After the pressing force applied to the knob cover 1 is canceled, the push button 51 rebounds, and the knob cover 1 and the knob upper holder part 2 return to the initial positions.

For the force of knob body 3 corotation or reversal, knob body 3 drives knob lower carriage portion 4 corotation or reversal along its circumference, takes place the displacement between unsmooth undulating sliding surface 421 of knob lower carriage portion 4 and switch casing 6 in its circumference, and then under the effect of the high-low inclined plane of sliding surface 421, rotatory lower carriage portion appears the displacement along its axial, and distance between distance measuring sensor 52 detects magnetic induction coil and switch PCB board 5 changes, and distance measuring sensor 52 sends corresponding signal to switch PCB board 5.

After the forward or reverse force of the knob body 3 is canceled, the knob lower bracket part 4 returns to the original position under the action of the elastic member, and the knob body 3 and the knob lower bracket part 4 return to the original position.

First, the knob body 3 is rotated forward and backward, and the distance sensor 52 senses the distance change value, thereby realizing function conversion. And based on the ranging sensor 52, the electric signal output is more stable, and the functional failure caused by poor contact of structural members is avoided.

Second, by pressing the knob cover 1, function conversion can also be achieved.

In order to further optimize the implementation effect of the present utility model, in other embodiments, the other feature technologies are the same, except that the knob cover 1 has a U-shaped structure, an upper notch 11 is provided on the inner surface of the cover bottom wall of the knob cover 1, and a cover side through hole 12 is provided on the cover side wall of the knob cover 1;

The upper notch 11 is used for being clamped with the connecting end 221 of the compression bar part 22, and the upper notch 11 is a straight groove;

The cover side through hole 12 is used for being clamped with the outer clamping part 21 of the knob upper bracket part 2.

Further, the knob upper bracket part 2 has a hollow cylindrical structure, an outer fastening part 21 is arranged on the outer surface of the side wall of the knob upper bracket part 2, and a compression bar part 22 connected with the inner surface of the side wall of the knob upper bracket part 2 is arranged in the hollow cavity of the knob upper bracket part 2;

The outer fastening part 21 is used for extending into the cover side through hole 12 of the knob cover 1 and is clamped with the knob cover, and the outer side surface of the outer fastening part 21 is an inclined surface;

The connection end 221 of the pressing rod 22 is used for extending into the upper notch 11 of the knob cover 1 and clamping with the upper notch, and the pressing end 222 of the pressing rod 22 is used for applying pressure to the button 51 on the switch PCB 5.

Wherein: the connection end 221 of the compression bar 22 has a straight-line structure, and the pressing end 222 of the compression bar 22 has a cross-shaped structure.

Further, the knob switch further includes: a knob lower fixing part 8;

The knob lower fixing part 8 is of a hollow cylindrical structure, and comprises: an inner cylinder side wall 81, an outer cylinder side wall 82, and a bottom boss 83, the inner cylinder side wall 81 and the outer cylinder side wall 82 forming an annular notch 84;

The annular notch 84 is used for fixing the lower end of the side wall of the knob upper bracket;

the bottom boss 83 is used for extending into the fixing through hole 53 on the switch PCB 5 and is clamped with the fixing through hole.

Wherein: the distance from the top of the inner cylinder side wall 81 to the switch PCB 5 is greater than the distance from the top of the outer cylinder side wall 82 to the switch PCB 5.

Further, an inner engaging portion 23 is provided on the inner surface of the side wall of the knob upper holder portion 2, a tube side through hole 811 is provided in the inner tube side wall 81, the inner engaging portion 23 is provided to extend into the tube side through hole 811 of the inner tube side wall 81 and engage with the tube side through hole 811, and the outer side surface of the inner engaging portion 23 is an inclined surface.

Further, the knob lower holder portion 4 has a hollow cylindrical structure, and includes: the side wall 41 and the support disc 42 of the support, there are support boss 411 and support buckle part 412 on the inner side of the side wall 41 of the support, support boss 411 and support buckle part 412 are used for with body 3 joint of knob;

The bracket plate 42 has a front surface, a left surface and a right surface, which are provided with uneven sliding surfaces 421, and a back surface provided with coil mounting grooves 43 for mounting magnetic induction coils.

Further, a stepped surface 413 for receiving the inner cylinder side wall 81 of the knob lower fixing portion 8 is provided on the inner side surface of the holder side wall 41.

The knob lower fixing part 8 can fix the knob upper bracket part 2 and the knob lower bracket part 4.

Further, the knob body 3 is of a hollow cylindrical structure, a body notch 31 and a body through hole 32 are provided on the side wall of the knob body 3, the body notch 31 is used for being clamped with a bracket boss 411 of the knob lower bracket part 4, and the body through hole 32 is used for being clamped with a bracket clamping part 412.

In order to further optimize the implementation effect of the present utility model, in other embodiments, the other features are the same, except that the knob body 3 is sleeved on the outer side of the knob cover 1 through the decoration ring 9, the decoration ring fastening portion 91 on the decoration ring 9 is fastened to the knob body 3, the decoration ring 9 is provided with a bayonet 92, and the bracket bump 24 of the upper bracket portion 2 of the knob extends into the bayonet 92 and is fastened to the bayonet.

By adopting the preferable scheme, the knob switch is more attractive.

In order to further optimize the effect of the utility model, in other embodiments, the remaining feature techniques are the same, except that an elastic member mounting groove 61 for mounting an elastic member is provided on the switch housing 6.

With the adoption of the preferable scheme, the elastic piece cannot deviate.

In order to further optimize the implementation effect of the present utility model, in other embodiments, the remaining feature techniques are the same, except that the knob switch further includes: the bottom cover 7 is clamped with the switch shell 6, and the bottom cover 7 is used for sealing and protecting the back surface of the switch PCB 5.

The various embodiments above may be implemented in cross-parallel.

In the description of the present utility model, it should be understood that the terms "coaxial," "bottom," "one end," "top," "middle," "another end," "upper," "one side," "top," "inner," "front," "center," "two ends," etc. indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "configured," "connected," "secured," "screwed," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or in communication with each other or in interaction with each other, unless explicitly defined otherwise, the meaning of the terms described above in this application will be understood by those of ordinary skill in the art in view of the specific circumstances.

While the basic principles and main features of the present utility model and advantages of the present utility model have been shown and described, it will be understood by those skilled in the art that the present utility model is not limited by the foregoing embodiments, which are described in the foregoing specification merely illustrate the principles of the present utility model, and various changes and modifications may be made therein without departing from the spirit and scope of the utility model, which is defined in the appended claims and their equivalents.

The control mode of the utility model is controlled by manually starting and closing the switch, the wiring diagram of the power element and the supply of the power supply are common knowledge in the field, and the utility model is mainly used for protecting the mechanical device, so the utility model does not explain the control mode and the wiring arrangement in detail.

Claims

1. Knob switch based on range finding response, its characterized in that includes: the switch comprises a knob cover, a knob upper bracket part, a knob body, a knob lower bracket part, a switch PCB and a switch shell;

The knob body is sleeved on the outer side of the knob cover, the knob body is clamped with a knob lower support part, the knob lower support part can rotate along the circumference of the knob body, the knob lower support part is provided with a concave-convex sliding surface in a plurality of areas, the sliding surface is elastically connected with the switch shell through corresponding elastic pieces, the elastic pieces can slide relatively with the sliding surface, and a magnetic induction coil is arranged on the side, close to the switch PCB, of the knob lower support part;

The switch PCB is provided with a button and a plurality of distance measuring sensors, wherein the button is electrically connected with the switch PCB, the distance measuring sensors are used for detecting the distance from the magnetic induction coil to the switch PCB, and the switch PCB is arranged in the switch shell and below the knob upper bracket part and the knob lower bracket part.

2. The knob switch based on distance measurement sensing according to claim 1, wherein the knob cover has a U-shaped structure, an upper notch is formed in the inner surface of the bottom wall of the knob cover, and a cover side through hole is formed in the cover side wall of the knob cover;

The cover side through hole is used for being clamped with the outer clamping and buckling part of the upper support part of the knob.

3. The knob switch based on distance measurement sensing according to claim 2, wherein the knob upper bracket part is of a hollow cylindrical structure, an outer fastening part is arranged on the outer surface of the side wall of the knob upper bracket part, and a compression bar part connected with the inner surface of the side wall of the knob upper bracket part is arranged in the hollow cavity of the knob upper bracket part;

4. The range sensing based knob switch of claim 3 further comprising: a knob lower fixing part;

The bottom boss is used for extending into the fixed through hole on the switch PCB and is clamped with the fixed through hole.

5. The distance measuring sensing based knob switch according to claim 4, wherein an inner fastening part is provided on an inner surface of a side wall of the knob upper bracket part, a cylinder side through hole is provided on the inner cylinder side wall, and the inner fastening part is configured to extend into and be fastened with the cylinder side through hole of the inner cylinder side wall.

6. The range sensing based knob switch according to claim 5, wherein the knob lower bracket part has a hollow cylindrical structure, comprising: the inner side face of the side wall of the bracket is provided with a bracket boss and/or a bracket clamping part which is used for being clamped with the knob body;

The magnetic induction coil support is characterized in that a plurality of areas on the front surface of the support disc are distributed with concave-convex sliding surfaces, and coil mounting grooves for mounting the magnetic induction coils are formed in the back surface of the support disc.

7. The range sensing-based knob switch according to claim 6, wherein a stepped surface for placing an inner cylinder sidewall of the knob lower fixing part is provided on an inner side surface of the bracket sidewall.

8. The knob switch based on distance measurement sensing according to claim 7, wherein the knob body is of a hollow cylindrical structure, a body notch and/or a body through hole are formed in the side wall of the knob body, the body notch is used for being clamped with a support boss of the knob lower support portion, and the body through hole is used for being clamped with a support clamping portion.

9. The range sensing based knob switch according to any one of claims 1-8, wherein said knob body is sleeved outside of the knob cover by a decorative ring.

10. The distance sensing based knob switch according to any one of claims 1-8, wherein an elastic member mounting groove for mounting an elastic member is provided on the switch housing.