KR20070069299A - A rotary switch - Google Patents

Abstract

A rotary switch is provided to enhance a manipulation feeling of a user while rotating the rotary switch by forming step threads on an outer periphery of a support member. A disk-type switch member is connected to a variable resistor which is formed on a substrate, and rotates the variable resistor. The substrate and the switch member(6) are mounted on a housing(2). A protrusion unit is formed on one surface of an inner wall of the housing and protruded outwards. A coupling groove is formed at one upper end which is adjacent to the protrusion of the housing. A support member is arranged on one rear surface of the switch member which is connected to the variable resistor. The support member is connected to the coupling groove of the housing. A cover(4) is connected to an upper end of the housing.

Description

Rotary switch {A Rotary Switch}

1 is a block diagram showing a conventional variable resistor,

2 is a perspective view of a rotary switch according to the present invention;

3 is a block diagram of a rotary switch according to the present invention,

4 shows a substrate of a rotary switch according to the invention,

5 is a view showing a switch member of the rotary switch according to the present invention;

6 is a perspective view showing the inside of the housing according to the present invention.

<Description of the symbols for the main parts of the drawings>

2: housing 4: cover

6 switch member 8 substrate

10: variable resistor 12: rotary shaft groove

14: rotating shaft 16: support member

18: spring case 20: protrusion

22: Grand Theft Mountain 24: Stop Guide

26: fastening portion 28: fastening groove

30: switch groove 32: contact portion

34: conductive line

The present invention relates to a rotary switch, and more particularly, by providing a stealing peak formed of a peak and a valley in a switch member of a rotary switch using a variable resistor used in various electrical and electronic products, machinery, automobiles, and ships. It relates to a rotary switch to provide.

In general, resistors used in various electrical and electronic circuits include a fixed resistor having a constant resistance value, and a variable resistor capable of arbitrarily varying the resistance value by sliding over a carbon resistor or a resistance winding.

As shown in FIG. 1, the dual variable resistor includes a conductor 111 formed inside two separate cases 110a and 110b, an arc-shaped resistor 112 formed around the conductor 111, and the resistor. And a rotating contact 113 formed to be connected to the 112 and the conductor 111, respectively, and an external rotating shaft 114 coupled to rotate the rotating contact 113 to variably adjust a resistance value. .

The general variable resistor having such a structure is capable of arbitrarily and variably adjusting the resistance value by adjusting the contactor 113 in contact with the resistor 112 through the rotary contactor 113 connected to the rotary shaft 114, so that the sound in the audio product, etc. The electronic device for controlling the screen state of electronic devices equipped with water receivers, such as computer monitors and televisions, and the switch mounted on the seat of a car to adjust the temperature of the seat. It is widely used to control operation.

However, the variable resistors used in the audio, electronic parts, and automobile parts are provided with separate protrusions protruding inside the variable resistors and a plurality of grooves corresponding to the protrusions in order to indicate the change in resistance value in stages as necessary. The projections are sequentially seated in a plurality of grooves according to the rotation of the rotating shaft, and the resistance value is adjusted step by step.

Here, the protrusions provided in the variable resistor and the plurality of grooves corresponding thereto are formed in the variable resistor with a smaller size in order to be provided in the variable resistor manufactured in a smaller size, so that the user rotates the rotating shaft of the variable resistor. Not only is it difficult to substantially detect the step change, and when the connection between the protrusion and the groove is poor, it is troublesome to discard the board on which the variable resistor is mounted or to replace the variable resistor provided on the board. There is a problem that the switching does not work correctly because the contact portion of the protrusion and the groove during wear of the wear.

The present invention has been derived to overcome the above-mentioned problems, provided with a support member having a theft projected vertically from the center of the switch member on one side of the rotary switch member is connected to the variable resistor, the support member There is a technical problem to provide a rotary switch that can adjust the variable resistance value step by step according to the rotation.

The present invention provides a substrate on which a variable resistor and an element are mounted, a disk-shaped switch member which is installed and rotated by connecting to a variable resistor of the substrate to rotate the variable resistor, and a housing on which the substrate and the switch member are seated. Is provided on one side of the inner wall surface of the protrusion projecting upward, the fastening groove provided on one side of the upper side adjacent to the protrusion of the housing, provided on one side of the switch member is connected to the variable resistor is connected to the fastening groove of the housing It provides a rotary switch including a support member and a cover connected to the top of the housing.

The rotary switch according to the present invention is to rotate the variable resistors used in electrical and electronic products, machinery, automobiles and ships in a separate means, for example, a switch member to output a stepwise signal according to the rotation to the outside. If the switch is used for this purpose, preferably a switch for adjusting the variable resistor by rotating the switch member provided in a circular shape will correspond to the rotary switch of the present invention.

The variable resistor according to the present invention is used in electric, electronic circuits and / or various switches, etc., and is capable of arbitrarily varying the resistance value by sliding over a carbon resistor or a resistance winding, which is commonly used in the art. Any variable resistor may be used.

The substrate according to the present invention provides a place where elements such as a variable resistor and a resistor are mounted on the surface thereof, and any substrate may be used as long as it is a conventional substrate in the art used for this purpose. The conductive line may be provided around the resistor so that the electrical contact may be turned on and off by contacting the conductive part with the conductive part during rotation of the contact part provided on one side of the switch member.

The switch member according to the present invention has one side connected to one side of the variable resistor provided on the substrate, the rear surface of one side connected to the variable resistor is connected to one side of the housing, one side of the variable resistor and the housing By adjusting the resistance of the variable resistor by rotating together with the variable resistor by rotating the connection point connected to the center axis, it is not particularly limited as long as it is a switch member used for this purpose, preferably in the art It is better to use the switch member used.

Here, the switch member is preferably formed in a circular plate shape having a predetermined thickness, and a contact portion sliding and contacting along the conductive line of the substrate is provided on one side of the variable resistor connected to the variable resistor, and connected to the variable resistor. On the rear surface of one side to be installed, a support member, preferably a cylindrical support member, which extends vertically from the center of a circular plate shape, that is, a disk-shaped switch member, is provided.

On the other hand, the support member according to the present invention is formed by the theft is formed along the outer circumferential surface, so that the theft is in contact with the protrusion of the housing, as the switch member provided with the support member is rotated, the theft is provided on the support member Rotate in contact with

At this time, the theft is formed by the intersection of the peak and the valley in the longitudinal direction along the outer circumferential surface of the cylindrical support member, the peak and the valley contact the protrusion of the housing to interfere with the rotation of the switch member installed in the support member to prevent theft to provide.

Here, the sense of theft means that when the user rotates the switch member to operate the rotary switch, when the switch member is rotated by a predetermined length by a constant force, a resistance that interrupts the rotation occurs and stops, thereby overcoming the resistance. When the switch member is rotated by applying a positive force, it means that the switch member is easily rotated until the next resistance is generated even if the force is applied below the resistance overcomed.

In addition, one end of the support member provided with a moderation mount according to the present invention is provided with a fastening portion, preferably a cylindrical fastening portion extending perpendicularly to the switch member, connected to a fastening groove formed on one side of the upper end of the housing to support the support member. The switch member provided with the member is fastened to the housing.

The housing according to the present invention provides a place where the substrate and the switch member on which the variable resistor and the element are mounted are installed. Any housing may be used as long as it is a conventional housing used for this purpose. It is preferable that a protrusion is formed at the upper end of the housing so as to be adjacent to the protrusion of the switch member and the protrusion is in contact with the support member of the switch member, and a fastening groove is inserted into and fixed to the end of the support member of the switch member.

Here, the protrusion may use a material having elasticity, for example, rubber, soft plastic, or the like, to provide a resistance during rotation of the theft of the support member in contact with the protrusion.

If necessary, the protrusion provided on one side of the housing according to the present invention may be a material having rigidity, for example, metal, rigid plastic, etc. In this case, a spring to provide elasticity to the inner side of the housing separately. By providing the inserted spring case and inserting and fixing the projection on the top of the spring of the spring case, it is possible to provide a resistance during the rotation of the theft mountain in contact with the projection.

The cover according to the present invention is provided at an upper end of the housing to cover the housing, and an upper side of the cover groove is formed such that one side of the switch member provided to be seated inside the housing protrudes and is exposed to the outside.

At this time, the switch groove is provided in a form corresponding to one side of the outer peripheral surface of the disk-shaped switch member to expose the switch member to the outside so that the user can operate the switch member.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings. However, the following description is only for describing the present invention in detail and does not limit the scope of the present invention by the following description.

Figure 2 is a perspective view of a rotary switch according to the invention, Figure 3 is a block diagram of a rotary switch according to the invention, Figure 4 shows a substrate of the rotary switch according to the invention, Figure 5 is a rotary switch according to the invention Fig. 6 showing the switch member will be described together as a perspective view showing the inside of the housing according to the present invention.

First, as an example of the present invention, the present invention will be described using an automobile seat switch for heating a vehicle seat as an example.

As shown in Figures 2 to 6, the rotary switch according to the present invention is connected to the variable resistor 10 and the substrate (8) on which the element is mounted, the variable resistor 10 of the substrate 8 is installed and rotated On the inner wall surface of the housing 2, a housing 2 for providing a disk-shaped switch member 6 for rotating the variable resistor 10, the substrate 8 and the switch member 6 is seated Of the switch member 6 connected to the variable resistor 10 and provided with a protruding portion 20 protruding upward, a fastening groove 28 provided at one side of the upper end adjacent to the protruding portion 20 of the housing 2, and the variable resistor 10. It is provided on one side of the support member 16 is connected to the fastening groove 28 of the housing (2) and consists of a cover (4) connected to the upper end of the housing (2).

Here, the variable resistor 10 is used in electrical, electronic circuits and / or various switches, etc. to slide the carbon resistor or the resistance winding by arbitrarily varying the resistance value to increase or decrease, in order to achieve this purpose Any variable resistor 10 commonly used in the art may be used, but preferably, the rotary shaft groove is installed at the inner center thereof so that the rotary shaft 14 provided at one side of the switch member 6 can be inserted and connected thereto. It is good to use the thing provided with (12).

The substrate 8 according to the present invention provides a place where elements such as the variable resistor 10 and a resistor are mounted on the surface thereof, and any substrate can be used as long as it is used for this purpose. It is preferable to use a substrate 8 conventional in the industry.

At this time, a conductive line 34 is provided around the variable resistor 10 mounted on the substrate 8 so that the contact portion 32 provided on one side of the switch member 6 is rotated as the switch member 6 rotates. Contacting or non-contacting conductive line 34 will cause the switch to be on-off.

The switch member 6 according to the present invention has one side connected to one side of the variable resistor 10 provided on the substrate 8, and one side rear surface of the housing 2 connected to the variable resistor 10 is installed. It is connected and fixed to one side and rotates the variable resistor 10 together by rotating the connection point connected to one side of the variable resistor 10 and the housing 2 to adjust the resistance value of the variable resistor 10. As long as it is used for this purpose, any switch member 6 is not particularly limited, but any switch member 6 commonly used in the art may be used.

Here, the switch member 6 is preferably formed in a disk shape having a predetermined thickness, and is inserted into the rotary shaft groove 12 of the variable resistor 10 on one side connected to the variable resistor 10. A rotating shaft 14 for fastening the variable resistor 10 and the switch member 6 to each other is provided, and the contact portion 32 slidingly contacting the conductive line of the substrate 8 on one outer circumferential surface of the rotating shaft 14 is provided. When the contact portion 32 is in contact with the conductive line 34 so that the signal set from the variable resistor 10 is provided to the outside, the disk-shaped switch on the back side of the side connected to the variable resistor 10 is installed It is preferred that a support member 16, preferably a cylindrical support member 16, extends vertically from the center of the member 6.

On the other hand, the support member 16 is formed along the outer peripheral surface of the stealing mountain 22, the support member 16 is positioned so that the theft 22 is in contact with the protrusion 20 of the housing (2) In accordance with the rotation of the provided switch member 6, the support member 6, on which the theft mount 22 is formed, rotates together so that the theft mount 22 comes into contact with the protrusion 20 and rotates.

At this time, one end of the support member 16 is provided with a fastening part 26, preferably a fastening part 26, which is finished in a cylindrical shape, and an upper end side of the housing 2, preferably a protrusion 20. It is connected to the fastening groove 28 provided on one side of the upper end of the housing 2 so as to neighbor.

In addition, the theft 22 is formed with the intersection of the peak and the valley in the longitudinal direction along the outer peripheral surface of the cylindrical support member 16, the peak and the valley is in contact with the protrusion 20 of the housing 2 to support the support member 16 By hindering the rotation of the switch member 6, which is connected to the predetermined portion, provides a sense of theft to the user when the user rotates the switch member (6).

Specifically, the support member 16 according to the present invention is provided with a stop guide 24 formed higher than the mountain height of the theft mountain 22 at the point where the theft mountain 22 provided along its outer circumference is terminated. When the support member 16 is connected, the stop guide 24 is caught by the protrusion 20 of the housing 2 when the switch member 6 is rotated, thereby preventing rotation of the switch member more than necessary.

The housing 2 according to the present invention provides a place where the substrate 8 and the switch member 6 on which the variable resistor 10 and the element are mounted are installed, and a conventional housing used for this purpose ( 2) any one may be used, and preferably, a spring case 18 having a spring inserted into one side of the housing 2 and a protrusion 20 inserted into and fixed to an upper end of the spring of the spring case 18. And a fastening groove 28 provided at the top of the housing 2 so as to be adjacent to the protruding portion 20 and inserted into and fastened with a fastening portion 26 formed to extend to an end of the supporting member 16 of the switch member 6. It includes.

Here, the spring case 18 is inserted into the spring is to provide elasticity so that the protrusion 20 can be moved up and down, as a means provided to achieve this purpose, specifically limited to the spring no.

If necessary, the spring case 18 according to the present invention can be omitted when the material of the protrusion 20 is elastic enough to interfere with the rotation of the moderation mountain 22 of the member member 16. .

The cover 4 according to the present invention is provided at the upper end of the housing 2 to cover the housing 2, and one side of the switch member 6 mounted on the upper side of the housing 2 is mounted inside the housing 2. The switch groove 30 is formed to protrude and be exposed to the outside.

At this time, the switch groove 30 is provided in a form corresponding to one side of the outer peripheral surface of the disk-shaped switch member 6 to expose the switch member 6 to the outside so that the user can operate the switch member 6 do.

Referring to the operation method of the rotary switch according to the present invention having the above-described configuration is as follows.

When the user rotates the switch member 6 of the rotary switch, the rotary shaft 14 connected to one side of the switch member 6 and the variable resistor 10 connected to the rotary shaft 14 are rotated, and the rotary shaft The support member 16 provided on the rear surface of 14 rotates together.

At this time, the contact portion 32 provided on one side of the outer circumferential surface of the switch member 6 provided with the rotating shaft 14 is in sliding contact with the conductive line 34 formed on the substrate 8, thereby providing a current to the variable resistor 10. Etc., the resistance value signal is sent out of the rotary switch.

Here, the switch member 6 is formed by the claws 22 formed on the outer circumferential surface of the support member 16 of the switch member 6 and the protrusions 20 of the housing 2 in contact with the claws 22. Rotates by a certain distance step by step theft.

Then, the user continuously rotates the switch member 6 of the rotary switch as needed to send the desired signal from the variable resistor to the outside through the above-described process.

As described above, those skilled in the art will understand that the present invention can be implemented in other specific forms without changing the technical spirit or essential features. Therefore, the embodiments described above are to be understood as illustrative and not restrictive in all aspects. The scope of the present invention should be construed that all changes or modifications derived from the meaning and scope of the following claims and equivalent concepts rather than the detailed description are included in the scope of the present invention.

The present invention can not only provide the user with a sense of theft according to the rotation of the variable resistor when the switch is operated, but also provide a sense of theft to the switch even when the rotary switch is configured by employing a variable resistor that does not provide the sense of theft. It can be effective.

Claims (4)

A substrate having a variable resistor and an element mounted thereon, a disk-shaped switch member which is installed and rotated by connecting to a variable resistor of the substrate to rotate the variable resistor, a housing providing a place where the substrate and the switch member are seated, and an inner wall surface of the housing. A protruding portion provided on one side and protruding upward, a fastening groove provided on one side of the upper side adjacent to the protruding portion of the housing, a support member provided on one side of the switch member connected to the variable resistor and connected to the fastening groove of the housing; Rotary switch comprising a cover connected to the top of the housing. The method of claim 1, The support member is formed in a cylindrical shape so as to extend outward from the center of one side of the disk-shaped switch member, the theft is formed along the outer peripheral surface, the rotary switch characterized in that configured to be in contact with the protrusion of the housing. The method of claim 2, Rotary switch characterized in that the stop guide formed higher than the theft mountain is further provided at the point where the theft mountain formed along the outer circumferential surface of the support member is terminated. The method of claim 1, Rotary switch, characterized in that the spring case is further provided on the lower end of the protrusion.

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