CN100349238C

CN100349238C - Rotary electric parts

Info

Publication number: CN100349238C
Application number: CNB200510069688XA
Authority: CN
Inventors: 佐佐木康德
Original assignee: Alps Electric Co Ltd
Current assignee: Alps Alpine Co Ltd
Priority date: 2004-05-24
Filing date: 2005-05-08
Publication date: 2007-11-14
Anticipated expiration: 2025-05-08
Also published as: CN1702792A; TWI276131B; JP2005339821A; TW200612451A

Abstract

This invention provides a rotary electrical component which eliminates directionality in mounting a slider to facilitate mounting work and prevent erroneous mounting of the slider. According to the rotary electrical component, the slider 7 has a pair of first and second contacting parts 7c, 7d arranged symmetrically on a line S2 passing the center C2 of the slider 7, and is mounted on a rotor 6 in such a way that the center C2 of the slider 7 is offset to the rotational center C1 of the rotor 6. The first contactor 7c comes in sliding contact with a first conductor 4 disposed on the circumference of a circle determined by the rotational center C2, and second contactor 7d comes in sliding contact with a second conductor 5 disposed on the circumference of the circle determined by the rotational center. The first and second contactors, therefore, still come in sliding contact with the first and second conductors respectively, even if mounted in a reverse direction. This eliminates a limitation on the mounting direction (directionality in mounting) of the slider to facilitate mounting work of the slider and prevent erroneous mounting of the slider.

Description

Rotary electric parts

Technical field

The present invention relates to a kind of rotary electric parts that is applicable to the rotary switch that in various electronic equipments such as portable telephone, uses, encoder, variable resistance etc.

Background technology

Accompanying drawing to existing rotary electric parts describes, then Fig. 6 is the exploded perspective view of existing rotary electric parts, Fig. 7 is the vertical view of the insulating body of existing rotary electric parts, below, according to Fig. 6, Fig. 7 the formation of existing rotary electric parts is described, the housing 51 that then forms box-shaped constitutes by insulating body 52 with the lid 53 of these insulating body 52 combinations, and this insulating body 52 is formed by the moulding product of synthetic resin.

This insulating body 52 has the recess 52a of toroidal and is arranged on the protuberance 52b of this recess 52a central part, simultaneously, is embedded on this insulating body 52 the 1st, the 2nd, the

3rd contact component

54,55,56 is installed.

And the 54a of contact portion of these the 1st, the 2nd, the

3rd contact components

54,55,56,55a, 56a are configured in apart from the position of center C 3 different radiis around center (pivot) C3 of recess 52a respectively.

Promptly, the 54a of contact portion as the 1st contact component 54 of shared contact, form ring-type in distance center C 3 nearest positions, in addition, the 55a of contact portion of the 2nd contact component 55 is configured in apart from the near position of center C 3 second, moreover the 56a of contact portion of the 3rd contact component 56 is configured in apart from center C 3 closer locations farthest.

The rotary body 57 that is formed by synthetic resin formed product has operating portion 57a and discoideus installation portion 57b, this rotary body 57, be housed in state in the recess 52a with its installation portion 57b, make operating portion 57a outstanding and install from covering 53 hole 53a, simultaneously, with protuberance 52b serves as that guiding can be rotated, and the pivot of rotary body 57 becomes the center C 3 of recess 52a.

The sliding members 58 of the ring-type that is formed by metallic plate has asymmetric being arranged on by 1 the 1st contact site 58a on the line of its center C4 and a pair of the 2nd, the

3rd contact site

58b, 58c.

This sliding members 58, with center C 4 be installed in installation portion 57b as the consistent state of the pivot C3 of rotary body 57, simultaneously, during rotary body 57 rotations, the the 1st, the 2nd, the 3rd contact site 58a of sliding

members

58,58b, 58c respectively with the 1st, the 2nd, the 3rd 54a of contact portion, 55a, 56a sliding contact, thereby constitute existing rotary electric parts.(for example with reference to patent documentation 1)

But, existing rotary electric parts, the the 1st, the 2nd, the 3rd contact site 58a of sliding

members

58,58b, 58c asymmetricly be arranged on the line by center C 4, simultaneously with the center C 4 of sliding members 58 state consistent with the pivot C3 of rotary body 57, be installed in installation portion 57b, therefore, the installation direction of sliding members 58 installation on the rotary body 57 takes place, and not only the installation exercise of sliding members 58 is loaded down with trivial details but also the installation of the sliding members 58 that makes a mistake.

Patent documentation: the spy opens the 2003-331687 communique

Existing rotary electric parts, the the 1st, the 2nd, the 3rd contact site 58a of sliding

members

58,58b, 58c asymmetricly be arranged on the line by center C 4, simultaneously with the center C 4 of sliding members 58 state consistent with the pivot C3 of rotary body 57, be installed in installation portion 57b, therefore, the problem that exists is to produce the installation direction that sliding members 58 is installed on the rotary body 57, and not only the installation exercise of sliding members 58 is loaded down with trivial details but also the installation that produces the sliding members 58 of mistake.

Summary of the invention

For this reason, its purpose of the present invention is to provide a kind of does not have directivity, installation exercise simply and can not produce the rotary electric parts that the mistake of sliding members is installed installing of sliding members.

As in order to solving the 1st solution of above-mentioned problem, its formation be possess housing that rotary body can be installed rotatably, be installed in the 1st, the 2nd electric conductor on this housing and be installed on the above-mentioned rotary body and with the sliding members that constitutes by metallic plate of above-mentioned the 1st, the 2nd electric conductor sliding contact; Above-mentioned the 1st, the 2nd electric conductor is configured in respectively on the circumference of the pivot different radii with the above-mentioned rotary body of distance; Above-mentioned sliding members has at least one pair of the 1st, the 2nd contact site that is configured in by the symmetric position on the line at its center, simultaneously, sliding members with the above-mentioned center of above-mentioned sliding members from position that above-mentioned pivot departs from, be installed on the above-mentioned rotary body, thereby along with above-mentioned the 1st contact site of the rotation of above-mentioned rotary body and above-mentioned the 1st electric conductor sliding contact, simultaneously, above-mentioned the 2nd contact site and above-mentioned the 2nd electric conductor sliding contact.

In addition, as the 2nd solution, its formation is that above-mentioned sliding members forms ring-type, and above-mentioned the 1st, the 2nd contact site is formed on the part of above-mentioned ring-type.

In addition, as the 3rd solution, its formation is: above-mentioned sliding members is provided with a pair of installation portion that is installed on the above-mentioned rotary body between above-mentioned the 1st, the 2nd contact site.

In addition, as the 4th solution, its formation is that above-mentioned installation portion is configured on the line at the above-mentioned center by above-mentioned sliding members.

The effect of invention

Rotary electric parts of the present invention, its formation be possess housing that rotary body can be installed rotatably, be installed in the 1st, the 2nd electric conductor on this housing and be installed on the rotary body and with the sliding members that constitutes by metallic plate of the 1st, the 2nd electric conductor sliding contact; 1st, the 2nd electric conductor is configured in respectively and has on the circumference of the pivot different radii of rotary body; Sliding members has at least one pair of the 1st, the 2nd contact site that is configured in by the symmetric position on the line at its center, simultaneously, sliding members at the center of sliding members from the position that pivot departs from, be installed on the rotary body, thereby rotation the 1st contact site and the 1st electric conductor sliding contact along with rotary body, simultaneously, the 2nd contact site and the 2nd electric conductor sliding contact.

Promptly, sliding members, have be configured in by the symmetric position on the line at center at least one pair of the 1st, the 2nd contact site, center at sliding members is installed on the rotary body from the position that pivot departs from, the 1st contact site and the 1st electric conductor sliding contact, simultaneously, the 2nd contact site and the 2nd electric conductor sliding contact, therefore, when the installment state of the 1st contact site and the 2nd contact site is rightabout, also respectively with the 1st, the 2nd electric conductor sliding contact, thereby, on the installation direction of sliding members (installation direction) without limits, the installation exercise of sliding members is simple, and the mistake that sliding members can not take place is installed.

In addition, sliding members forms ring-type, and simultaneously, the 1st, the 2nd contact site is formed on the part of ring-type, therefore, can obtain to contact the big sliding members of pressure.

In addition, sliding members is provided with a pair of installation portion that is installed on the rotary body between the 1st, the 2nd contact site, and therefore, the installation strength that sliding members is installed on the rotary body is big.

In addition, installation portion is configured on the line by the center of sliding members, therefore, can make the center (centering) of sliding members accurate, and the installation site of sliding members is accurate.

Description of drawings

Fig. 1 is the major part cutaway view of rotary electric parts of the present invention.

Fig. 2 is the vertical view of the insulating body of rotary electric parts of the present invention.

Fig. 3 is expression rotary electric parts of the present invention is installed the state of sliding members on rotary body a front view.

Fig. 4 is expression rotary electric parts of the present invention is installed the state of sliding members on rotary body a upward view.

Fig. 5 is the vertical view of the sliding members of rotary electric parts of the present invention.

Fig. 6 is the exploded perspective view of existing rotary electric parts.

Fig. 7 is the vertical view of the insulating body of existing rotary electric parts.

Among the figure, the 1-housing; The 2-insulating body; The 2a-insulator; The 2b-sidewall; The 2c-incorporating section; 2d-props up axial region; The 2e-projection; The 3-lid; The 3a-hole; 4-the 1st electric conductor; 4a-the 1st contact portion; The 4b-portion of terminal; 5-the 2nd electric conductor; 5a-the 2nd contact portion; The 5b-portion of terminal; The 6-rotary body; The 6a-operating portion; The 6b-flange part; The 6c-protuberance; The 6d-recess; The 6e-projection; The 7-sliding members; The 7a-hole; The 7b-installation portion; 7c-the 1st contact site; 7d-the 2nd contact site; The C1-pivot; The center of C2-sliding members; S1, S2-line.

Embodiment

Accompanying drawing to rotary electric parts of the present invention describes, Fig. 1 is the major part cutaway view of rotary electric parts of the present invention, Fig. 2 is the vertical view of the insulating body of rotary electric parts of the present invention, Fig. 3 is expression rotary electric parts of the present invention is installed the state of sliding members on rotary body a front view, Fig. 4 is expression rotary electric parts of the present invention is installed the state of sliding members on rotary body a upward view, and Fig. 5 is the vertical view of the sliding members of rotary electric parts of the present invention.

Below, with reference to Fig. 1～Fig. 5 the formation of rotary electric parts of the present invention is described, form the housing 1 of box-shaped, form by insulating body 2 and lid 3, insulating body 2 is made of synthetic resin formed product, and lid 3 combines with this insulating body 2 and is made of metallic plate and insulating resin etc.

This insulating body 2 has: the axial region 2d that the central portion position of the annular sidewall 2b that extends upward as the insulator 2a of base plate, around the insulator 2a, the incorporating section 2c that is surrounded by insulator 2a and sidewall 2b, the insulator 2a in the 2c of incorporating section is outstanding upward and from the outstanding downwards a plurality of projection 2e in insulator 2a outside.

And the lid 3 of the porose 3a of central portion is riveted on sidewall 2b top, integrated with insulating body 2 with the state that stops up 2c top, incorporating section, forms housing 1.

The 1st electric conductor 4 that constitutes by metallic plate, the portion of terminal 4b that has ring-type the 1st 4a of contact portion and link with the 1st 4a of contact portion, the 1st electric conductor 4, be embedded with the outer state of the outstanding sidewall 2b of portion of terminal 4b and be installed on the insulating body 2, simultaneously, ring-type the 1st 4a of contact portion is configured on a same radius of axial region 2d center (pivot) C1 (same circumference).

The 2nd electric conductor 5 that constitutes by metallic plate, the portion of terminal 5b that has circular-arc the 2nd 5a of contact portion and link with the 2nd 5a of contact portion, the 2nd electric conductor 5, being projected into the outer state of sidewall 2b with portion of terminal 5b is embedded and is installed on the insulating body 2, simultaneously, circular-arc the 2nd 5a of contact portion is configured on the same radius of axial region 2d center (pivot) C1 (same circumference), and they are different with the 1st contact portion 4 positions.

That is, the 1st, the 2nd 4a of contact portion, the 5a of the 1st electric conductor 4,5 are configured in respectively on axial region 2d center (pivot) C1 different radii.

The rotary body 6 that is made of synthetic resin formed products such as nylon-type has: operating portion 6a, discoideus flange part 6b, be located at the protuberance 6c of central portion below this flange part 6b, the recess 6d that is provided with upward from the central part of this protuberance 6c and clip protuberance 6c and be located at a pair of projection 6e below the flange part 6b.

This rotary body 6, in recess 6d, to insert the state that the fulcrum 2d of portion, operating portion 6a give prominence to from the hole 3a of lid 3, can be installed on the housing 1 rotatably, and rotary body 6 is with the state rotation by an axial region 2d axle supporting, therefore, as shown in Figure 4, the central part of recess 6d becomes pivot C1, and simultaneously, the line S1 that links a pair of projection 6e is in the position of departing from from pivot C1.

The ring-type sliding members 7 that forms by metallic plate, have a pair of installation portion 7b and a pair of the 1st, the 2nd contact site 7c, 7d, installation portion 7b has the hole 7a that is located at by on the line S1 of its center C2, and the 1st, the 2nd contact site 7c, 7d are configured in by the symmetric position on the line S2 of center C 2.

Promptly, as Fig. 4, shown in Figure 5, the 1st, the 2nd contact site 7c, 7d are arranged on the circumference of center C 2 same radius, clip center C 2 opposed positions (on the line S2), simultaneously, a pair of installation portion 7b is arranged on the line S1 by center C 2, and sliding members 7 is with respect to line S2 left-right symmetric.

This sliding members 7 connects the projection 6e that is inserted with rotary body 6 among the 7a of its hole, the leading section of riveted joint projection 6e is installed on the flange part 6b of rotary body 6.

At this moment, as shown in Figure 4, utilization is positioned at a pair of projection 6e from the position that pivot C1 departs from, sliding members 7 is installed on the rotary body 6, simultaneously, the center C 2 of sliding members 7 becomes the state that departs from from the pivot C1 of rotary body 6, and under this state, sliding members 7 is installed on the rotary body 6.

And during rotary body 6 rotations, sliding members 7 is rotation simultaneously also, the 1st 4a of contact portion sliding contact of the 1st contact site 7c and the 1st electric conductor 4, simultaneously, the 2nd 5a of contact portion sliding contact of the 2nd contact site 7d and the 2nd electric conductor 5 forms the rotary electric parts of the present invention that is made of rotary switch.

In addition, rotary electric parts with formation like this, sliding members 7 as shown in Figure 5, about when opposite, promptly, be positioned at the right side at the 1st contact site 7c, and the 2nd contact site 7d is positioned under the state in left side, when sliding members 7 is installed on the rotary body 6, sliding members 7 also is that the 1st, the 2nd contact site 7c, 7d are set in symmetrical position, therefore, can make the 2nd contact site 7d and the 1st electric conductor 4 or the 1st contact site 7d and 5 sliding contacts of the 2nd electric conductor, can there be installation direction on the installation direction of sliding members 7 without limits.

Also have, the foregoing description is illustrated the rotary electric parts that is made of rotary switch, but, also can be applicable to rotary electric parts such as encoder, variable resistance certainly.

In addition, about sliding members 7,, but, also can be that sliding members 7 forms tabular, the 1st, the 2nd contact site 7c, 7d are made of the tongue piece that cuts perk simultaneously with being illustrated of ring-type.

Claims

1. rotary electric parts is characterized in that: possess housing that rotatable rotary body is installed, be installed in the 1st, the 2nd electric conductor on this housing and be installed on the above-mentioned rotary body and with the sliding members that constitutes by metallic plate of above-mentioned the 1st, the 2nd electric conductor sliding contact;

Above-mentioned the 1st, the 2nd electric conductor is configured in respectively on the circumference of the pivot different radii with the above-mentioned rotary body of distance; Above-mentioned sliding members has at least one pair of the 1st, the 2nd contact site that is configured in by the symmetric position on the line at its center, simultaneously, sliding members is installed on the above-mentioned rotary body from the position that above-mentioned pivot departs from the above-mentioned center of above-mentioned sliding members, thereby by above-mentioned the 1st contact site of the rotation of above-mentioned rotary body and above-mentioned the 1st electric conductor sliding contact, simultaneously, above-mentioned the 2nd contact site and above-mentioned the 2nd electric conductor sliding contact.

2. rotary electric parts according to claim 1 is characterized in that: above-mentioned sliding members forms ring-type, and above-mentioned the 1st, the 2nd contact site is formed on the part of above-mentioned ring-type.

3. rotary electric parts according to claim 2 is characterized in that: above-mentioned sliding members is provided with a pair of installation portion that is installed on the above-mentioned rotary body between above-mentioned the 1st, the 2nd contact site.

4. rotary electric parts according to claim 3 is characterized in that: above-mentioned installation portion is configured on the line by the above-mentioned center of above-mentioned sliding members.