JP2558389Y2 - Stand device and electric equipment including the stand device - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a stand device which is provided on the back of an electric device or the like to be freely opened and closed and supports the electric device placed on a desk or the like.

[0002]

2. Description of the Related Art Generally, an electric device such as a radio receiver is usually housed in a housing of the device. A stand member for supporting the electric device in an appropriate posture by a rotating operation is attached to the back part so as to be openable and closable. Further, the electric device is provided with a lock device for holding the stand member in each of the storage state and the rotation state.

The stand member has, for example, integrally formed support shafts on both sides thereof, and is rotatably supported by fitting these support shafts into shaft holes of a support portion formed on the housing side. As a conventional locking device for holding the stand member in the retracted state and the rotating state, for example,
Some lock members are integrally formed on the inner surface of the stand member, and a latch device having an opening is provided on the housing side corresponding to the lock piece.

[0004] As is well known, the latch device has a latch lever that is swingably supported by an elastic member inside. When the stand member is pressed while the lock piece is locked by the latch lever, the latch lever is rotated by the lock piece and the locked state is released. Further, when the stand member is pressed again from the state where the lock is released, the latch lever is re-engaged with the lock piece, so that the stand member is again held in the locked state.

As another lock mechanism, there is a lock mechanism in which an elastic lock piece is integrally formed on a stand member so as to protrude therefrom, and a lock hole is formed in the housing for engaging the elastic lock piece.

[0006]

By the way, in a lock device using a latch device, the latch device is not only relatively expensive, but also when the carelessly touches the stand member, the lock is released and the stand member is released. It may open, and the latching device has a certain height dimension, so careful attention must be paid to component placement.

In particular, as described above, in a lid or the like that opens and closes an operation portion or a switch portion, a lock piece protrudes, and an opening or a latch lever is seen from the outside on the housing side. With such a structure, there is a problem that the appearance of the electric device is impaired.

Further, even in a lock mechanism using an elastic lock piece, the lock piece must protrude from the inner surface of the stand member and be formed with high precision by adjusting the lock strength and the like. Otherwise, there is a problem that the lock piece is damaged. Therefore,
The present invention has been proposed for the purpose of providing a stand device in which a lock piece or the like protruding from a stand member is eliminated and the entire device is configured to be thin. Further, the present invention has been proposed for the purpose of providing an electric apparatus which is reduced in thickness as a whole and is held in a stable state by the stand device.

[0009]

A stand device according to the present invention that achieves the above object has a housing having a recess for holding a stand member, a stand member that is openably and closably stored in the recess for holding the stand member, and a housing. A lock member slidably supported on the body surface and housed in the stand member housing recess to hold the stand member in a locked state.

[0010] The stand member accommodating concave portion has a guide concave portion having an arc-shaped cross section formed over the entire region in the width direction at the upper end portion;
It has a shaft fitting hole formed on both side walls constituting the guide recess, and a click piece formed by a U-shaped notch and having a tip facing the guide recess. The stand member is
A fulcrum portion having an arcuate cross section formed at the upper end portion corresponding to the guide recess, a fulcrum projected at both ends of the fulcrum portion and fitted into the fulcrum fitting hole, and formed on the lower end surface Lock hole. The lock member includes a sliding portion slidably supported on the inner surface of the housing corresponding to the lower portion of the stand member storage recess, and a lock hole formed through a guide hole formed in the stand member storage recess. And a resilient portion that gives the lock portion a protruding behavior into the stand member storage recess.

[0011]

According to the stand device of the present invention, the stand member rotatably housed in the stand member housing recess by fitting the support shaft into the support shaft fitting hole has the lock portion in the lock hole. When the lock member is slid and rotated by being engaged, the open state is held by the click piece which elastically contacts the fulcrum when the lock member is slid and rotated.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, specific embodiments of the stand device according to the present invention will be described with reference to the drawings. Examples are
A radio receiver equipped with a stand device according to the present invention will be briefly described with reference to FIGS. 1 and 6. A housing 1 having a substantially horizontal rectangular shape is composed of a front housing 1 a and a rear housing 1 b. On the front part A of the front case 1a, a speaker sound emitting unit 2, a time display 3, a frequency display 4, a one-touch music selection button group 5, a numeric keypad 6 for inputting a frequency and inputting a time are provided. , An on / off button 7, a dial tuner 8, and the like.

On the side surface where the front case 1a and the rear case 1b abut, for example, a volume dial 9, a treble and bass adjustment dial 10, 1
1 or a dial lock switch 12 and the like, a time difference display device 15 which can be opened and closed so as to close the antenna 13 or the concave portion 14 is incorporated in the upper surface portion C, and a stand which will be described later is mounted on the rear portion D. The member 30 or the battery housing 16 is provided.

The stand member 30 is rotatably housed in a stand housing recess 20 formed substantially at the center of the main surface 17 of the rear housing 1b. As shown in FIGS. 1 and 3, the stand storage recess 20 is formed as a bottomed recess having a substantially rectangular shape in the center of the main surface 17 of the rear housing 1 b. A guide recess 21 is formed in the portion over the entire area in the width direction.

The guide recess 21 is formed as a channel-shaped recess having a semicircular cross section which protrudes from the stand housing recess 20 to the inside of the rear housing 1b. This guide recess 2
1, both side walls 22a of the stand storage recess 20 forming
The shaft fitting holes 23a, 23 penetrating the side walls 22a, 22b and opening on the inner surface side of the rear housing 1b are formed in the shaft 22.
b are formed respectively. These shaft fitting holes 23
The support shaft 32 of the stand member 30 is fitted to the a and 23b as described later.

A plurality of guide ribs 24, which are opposed to each other in the axial direction and protrude from the guide recess 21, are integrally formed at an upper portion of the stand storage recess 20 following the guide recess 21. . These guide ribs 24
Functions as a guide when the stand member 30 rotates, as described later.

The stand recess 2 following the guide recess 21
A notch 25 having a downward U-shape is provided at an upper portion of the center portion 0 at a substantially center in the width direction, and the notch 25 forms a tongue-like click piece 26. The click piece 26 has a free end extending to the center in the width direction of the guide recess 21, and a click part 27 having a semicircular cross section is formed so as to bulge. Therefore, the click portion 27 of the click piece 26 slightly protrudes from the bottom surface of the guide recess 21.

On the other hand, at the lower end of the stand housing recess 20, a hemispherical finger hook recess 28 is formed substantially at the center in the axial direction, straddling the main surface 17 of the rear housing 1 b and the stand housing recess 20. Have been. Further, the guide hole 29 is located in the side of the finger holding concave portion
Are formed through the rear housing 1b. Through this guide hole 29, a lock portion 4 of a lock member 40 described later is provided.
4 is exposed inside the stand housing recess 20 from inside the rear housing 1b.

The stand member 30 is formed as a horizontally long rectangular plate-like member whose outer shape and thickness are substantially equal to the stand housing recess 20. As shown in FIG. 5, the upper end of the stand member 30 extends over the entire length in the width direction.
A fulcrum portion 31 having a semicircular cross section substantially equal to the curvature of the guide concave portion 21 is formed to protrude, and support shafts 32a and 32b are integrally provided at both ends of the fulcrum portion 31, respectively. The shaft diameters of the support shafts 32a and 32b are the same as the support shaft fitting holes 23a and 23b formed on both side walls of the guide recess 21.
It is almost equal to the hole diameter.

Slits 33a and 33b are formed near both ends of the fulcrum 31 in parallel with the side edges of the stand member 30, and both ends of the fulcrum 31 formed into an arm shape by these slits 33a and 33b. The support shafts 32a and 32b protruding from the center are elastically deformable in the central direction corresponding to the width of the slit 33. Further, a wedge-shaped click convex wall 34 is formed at the center of the fulcrum 31 corresponding to the click piece 26, and the guide rib 2 is formed.
A plurality of guide grooves 35 are recessed corresponding to No. 4.

The lower end surface 37 of the stand member 30 is formed as an inclined surface that is inclined toward the front surface over the entirety, and the stand member 30 is assembled to the stand storage recess 20 at a part of the lower end surface 37. In this case, a lock hole 36 facing the guide hole 29 is formed.

The stand member 30 constructed as described above
The support shafts 32a, 32b whose support portions are elastically deformable in the center direction by the slits 33a, 33b are fitted into the support shaft fitting holes 23a, 23b to be assembled and housed in the stand housing recess 20. You. In this state, the fulcrum portion 31 is engaged in the guide recess 21 and the click portion 2 of the click piece 26 is
7 hits. The guide ribs 24 are engaged with the plurality of guide grooves 35, respectively.

Rear housing 1b corresponding to guide hole 29
A lock member storage recess 50 with a bottom for slidably storing the lock member 40 that holds the stand member 30 stored in the stand storage recess 20 is formed on the inner surface of the base member. The lock member storage recess 50 is recessed in the inner surface of the rear housing 1b along the lower side wall that forms the guide hole 29, and has a horizontally-long rectangular height direction guide recess 51 and a recess 5a.
1 is a laterally long lateral guide recess 52 that is continuous below
Consists of

In the height direction guide recess 51, a guide projection 53 in the direction orthogonal to the guide hole 29 is provided upright at the center thereof, and a pair of guides are formed on both sides in the width direction so as to face each other. Standing walls 54a and 54b are provided upright. At the tips of the guide standing walls 54a, 54b, wedge-shaped locking portions 55a, 5
5b are formed.

As shown in FIG. 4, the lock member 40 includes a sliding portion 41 and a locking portion 44 integrally formed on the sliding portion 41.
And an elastic portion 45 formed at a lower portion. Sliding part 4
Reference numeral 1 denotes a horizontally elongated rectangle whose width in the horizontal direction is substantially equal to the width of the height guide recess 51 of the lock member housing recess 50, and whose height is slightly smaller. A guide hole 43 in the height direction is formed in the center of the sliding portion 41 so that the guide convex portion 53 of the lock member housing concave portion 50 engages, and locking walls 42a and 42b are provided on both sides. It is formed upright. Therefore, these locking walls 42a, 42b
When the lock member 40 is housed in the lock member housing recess 50, the lock member 40 is engaged with the locking portions 55a and 55b to prevent the lock member 40 from falling off.

The lock portion 44 projecting upward from the sliding portion 41 has a crank shape in which the tip portion is bent toward the rear housing 1b and then rises up again. In a state in which the rear housing 1 is housed in the lock member housing recess 50, the rear housing 1
b projecting into the stand storage recess 20 formed on the main surface 17 side.

The elastic portion 45 is composed of a pair of elastic pieces 45a and 45b which are formed to bend in the width direction and project from the lower end of the substantially central portion of the base 41, respectively.
The free ends of 5b have contact portions 46a, 46b having an arc-shaped cross section.
Are bulged. Note that the elastic portion 45 is
6, the thickness is substantially equal to the groove width of the guide recess 52.

Therefore, each elastic piece 45a, 45b
When the locking member 40 is housed in the lock member housing recess 50, the locking member 40 is housed and disposed in the guide recess 52, and the contact portions 46 a and 46 b are supported by the lower side wall of the guide recess 52.

The lock member 40 accommodated in the lock member accommodating concave portion 50 holds the stand member 30 accommodated in the stand accommodating concave portion 20 when the lock portion 44 is engaged with the lock hole 36.

The stand member 30 is inserted through the finger-holding recess 28.
Is rotated, the lock portion 44 engaged with the lock hole 36 is pressed downward along the lower end inclined surface 37 of the stand member 30. As a result, the lock member 40 is
The elastic portion 45 is elastically deformed laterally along the lateral guide concave portion 52 through the sliding portion 1, and the sliding portion 41 is formed at the center thereof by the engagement between the guide hole 43 and the guide convex portion 53. , And the locking wall 42 on both sides.
a, 42b and the engaging portions 55a, 55b,
The guide slides down in the height guide recess 51 while being guided. As a result, the lock portion 44 retreats from the guide hole 29, and the locked state of the stand member 30 is released.

When the stand member 30 is rotated about the support shaft 32 as a fulcrum until the stand member 30 stands upright with respect to the rear housing 1b, the stand member 30 climbs over the click convex wall 34 with which the click portion 27 of the click piece 26 elastically contacts. As shown in FIG. 2, the upright state is maintained. As described above, when the radio receiver held in the upright state is placed on a desk or the like, the sound emitting unit 2 is at an optimal upward position as shown in FIG. The rotation of the stand member 30 is stably operated by the engagement between the arcuate fulcrum 31 and the guide recess 21 and the engagement between the plurality of guide grooves 35 and the guide ribs 24.

When the stand member 30 is rotated to return, the lower end inclined surface 37 hits the lock portion 44 and presses the lock member 40 downward. Still further, when the stand member 30 is rotated, the elastic portion 45 is elastically deformed in the guide concave portion 52, whereby the lock member 40
It slides downward in the lock member housing recess 50. Then, in the state where the stand member 30 is stored in the stand member storage recess 20, the stored state is maintained by the re-engagement of the lock portion 44 of the lock member 40 with the lock hole 36. In addition, it can be reliably confirmed that the stand member 30 is stored in the stand member storage recess 20 by the feeling that the lock portion 44 and the lock hole 36 are re-engaged.

In the embodiment described above, the rotating member is applied to the stand member of the radio receiver, and the stand member and the lock mechanism are described. However, the present invention is applicable to various electric devices such as a display device. Is also widely applicable.

[0034]

As described above, according to the stand device of the present invention, since the stand member and the lock member are each housed in the housing recess formed in the housing, the thickness of the device can be reduced as a whole. be able to. In addition, the stand member is a mere plate-like member from which the lock pieces and the like do not protrude, and further, since no member such as an opening or a lever is exposed on the housing side, the appearance of the device is improved. Can be. Furthermore, since expensive components such as a latch device are not required, the cost can be reduced, and the stand member can be securely locked.
In addition, the adjustment of each component member or the adjustment of the lock feeling is easy, and the electric device is held in an optimal posture.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view of a radio receiver provided with a stand device according to the present invention from the rear side.

FIG. 2 is a perspective view showing a state where a stand of the radio receiver is opened.

FIG. 3 is a plan view of a main part of a rear housing of the radio receiver.

FIG. 4 is an exploded perspective view from the inner surface side of a rear housing of the radio receiver.

FIG. 5 is a front view of a stand member.

FIG. 6 is a front perspective view of the radio receiver.

[Explanation of symbols]

 Reference Signs List 1 housing 20 stand storage recess 21 guide recess 23 support shaft fitting hole 24 guide rib 26 click piece 29 guide hole 30 stand member 31 fulcrum 32 support shaft 34 click convex wall 35 guide groove 36 lock hole 40 lock member 41 sliding portion 44 Locking part 45 Elastic part 50 Lock member storage concave part 51 Height guide concave part 52 Lateral guide concave part

Claims (2)

(57) [Scope of request for utility model registration] 1. An arc-shaped guide recess formed at the upper end over the entire area in the width direction, a shaft fitting hole formed on both side walls constituting the guide recess, and a U-shaped cutout. A housing formed with a notch and having a click piece whose front end faces the guide recess; and a fulcrum formed in an upper end corresponding to the guide recess of the stand member storage recess. A plate-shaped stand member having a portion, a support shaft projecting from both ends of the fulcrum portion and fitted in the support shaft fitting hole, and a lock hole formed in a lower end surface; A sliding portion slidably supported on the inner surface of the housing corresponding to the lower portion of the housing, a lock portion that penetrates a guide hole formed in the stand member storage recess and engages with the lock hole; Projecting into the stand member storage recess Stand device comprising a locking member having a resilient portion for imparting sex. 2. An electric apparatus comprising the stand device according to claim 1.