JP2551547Y2 - Rotary body support 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 rotating body supporting apparatus for supporting a rotating body such as a setting dial, and more particularly to a rotating body supporting apparatus for supporting a rotating body on a support extending in a direction different from a rotation axis of the rotating body.

[0002]

2. Description of the Related Art A rotating body, for example, a setting dial of a camera is directly supported by a fixing screw on a dial supporting portion protruding from a back surface of an exterior cover made of a synthetic resin material or the like. Along with the diversification of designs, there have been some types in which the rotation axis of the setting dial is different from the extension direction of the support portion. The dial support portion is formed so as to protrude in the same direction as the drawing direction of the molding die because the appearance cover is molded by the molding die. For this reason, when the setting dial 19 'is supported on a rotating shaft oriented in a direction different from the extending direction, the conventional rotating support device 1 shown in FIG.
As shown in FIG. 1 ', a support portion 13' is provided via a shaft plate 15.
Rotatably supported.

The support structure of the setting dial 19 'will be described in detail. On the back surface of the exterior cover 12, a support portion 13 'is formed along the direction in which the mold is removed. The setting dial 19 ′ is provided with a click plate 20 ′ and a printed circuit board 21 having a known contact brush, and is rotatably supported by a rotating shaft 16 provided on the shaft plate 15. A bent portion 15a is formed at one end of the shaft plate 15 to incline the rotating shaft 16 when fixed to the support portion 13 'with the fixing screw 14 at a predetermined angle with respect to the extension direction B. .
The dial finger portion 18 of the setting dial 19 ′ attached to the support portion 13 ′ via the shaft plate 15 is
And protrudes outward from a dial protruding opening 12a formed in the dial.

[0004] The dial supporting device 11 'has a click stop mechanism. The click stop mechanism is provided with a click plate 20 ′ which is prevented from rotating relative to the rotating shaft 16 by fitting a fitting hole of the same shape into a half-moon shaped key formed at the upper end of the rotating shaft 16. Dial 1
A click ball 25 'inserted into the 9' ball insertion hole 23 by being protruded outwardly by a compression spring 24 and a click ball 25 'formed in the click plate 20'.
Is formed by a click groove 20'a or the like which can be engaged at a predetermined position. 17 is the click plate 2
The setting dial 19 ′, which is a screw for attaching the 0 ′ integrally with the rotating shaft 16, is prevented from falling off by a click plate 20 ′. Therefore, this dial support device 1
1 'is a direction (axial direction A) different from the extension direction (B) of the support portion 13' by turning the dial finger hook portion 18 with a finger.
The setting dial 19 'can be rotated about the rotation shaft 16 extending to the center, and can be stopped at the position where the click ball 25' engages with the click groove 20'a.

However, the conventional dial support device 1
1 ′ is to set the setting dial 19 ′ on the support plate 13 ′ extending in a direction (B) different from the axial direction A of the rotating shaft 16 on the shaft plate 1 ′.
Since it has a structure in which it is mounted through the intermediary 5, the number of parts is large, and the number of assembling steps is increased, so that the cost of the product is increased. Further, the support portion 13 'needs to be provided outside the outer diameter of the setting dial 19'.
This required a large space for the dial support device.

[0006]

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned problems associated with the conventional rotating body supporting apparatus, and provides a rotating body supporting apparatus capable of reducing the number of parts and the number of assembly steps to reduce the product cost. The purpose is to: Another object of the present invention is to provide a rotating body support device that can be easily stored in a small space.

[0007]

SUMMARY OF THE INVENTION According to the present invention, there is provided a rotating body supporting apparatus for supporting a rotating body on a supporting portion extending in a direction different from the rotation axis thereof, wherein a rotating guide surface concentric with the rotating body and a fixed member parallel to the supporting portion are provided. A shaft member having a hole is provided, the rotating body is rotatably fitted to the rotation guide surface, and a fixing member for fixing the shaft member to the support portion is inserted through the fixing hole.

[0008]

BRIEF DESCRIPTION OF THE DRAWINGS FIG.
FIG. 1 is a side sectional view showing a dial support device (rotary body support device) 11 to which the present invention is applied, and FIG. 2 is a dial (rotary body) 1 drawn by omitting an external cover 12 of FIG.
9 is a plan view of FIG. 1, the same parts as those of the conventional dial support device 11 'and the dial 19' of FIG. 4 are denoted by the same reference numerals.

On the back surface of the exterior cover 12, there are formed a support portion 13 and a ball insertion projection 28 extending in the drawing direction B of the molding die. The support 13 is provided with a fixing screw 2
The screw member 13 is formed by inclining the shaft member 29 when the contact surface 30 is in contact with the screw hole 13 a for screwing the screw 7 into the axial direction A to be the rotation axis of the setting dial 19. The position regulating surface 13 for contacting the contact supporting surface 13b and the position regulating protrusion 31 protrudingly formed on the contact surface 30
c. Insertion hole 26 of ball insertion projection 28
In addition, the click ball 25 is housed by being urged outward by the compression spring 24.

As shown in FIG. 3, the shaft member 29 is inserted into the shaft hole 14 (FIG. 1) of the setting dial 19, and is fitted to the rotation guide surface 32 concentric with the rotation shaft thereof. The setting dial 19 has a flange portion 35 having a regulating surface 33 for regulating the position of the lower surface. Shaft member 29
In addition, the fixing hole 3 which coincides with the extension direction B of the support portion 13 when the contact surface 30 is brought into contact with the contact support surface 13b.
6, and a support surface 3 which is a plane perpendicular to the extension direction (B), and allows the head of the fixing screw 27 to abut when the fixing screw 27 is passed through the fixing hole 36 and fixed to the support 13.
7, and a position regulating projection 31 that contacts the position regulating surface 13c when fixed to the supporting part 13 by the fixing screw 27 and regulates its own position with respect to the supporting part 13.

On the upper surface of the setting dial 19, a click plate 20 having a plurality of click grooves 20a for engaging a click ball 25 and forming a click stop mechanism.
However, its rotation is regulated by two or more projections 39 provided on the upper surface of the setting dial 19, and is mounted integrally with the setting dial 19.

The dial support device 11 having the above configuration
Is assembled as follows. First, the setting dial 19
Then, the click plate 20 and the printed board 21 are integrated, and the shaft member 29 is inserted into the shaft hole 14. The compression spring 24 and the click ball 2 are inserted into the insertion hole 26 of the ball insertion projection 28.
The click ball 25 is stored in a state where the click ball 25 is projected and urged outward. In this state, a part of the dial finger hook portion 18 is projected outward from the dial projecting opening 12a, the click plate 20 on the upper surface of the setting dial 19 is brought into contact with the click ball 25, and the contact surface 30 is further brought into contact. The fixing screw 27 is screwed into the screw hole 13a by making contact with the support surface 13b. Thus, the shaft member 29 has the contact surface 30 contacted with the contact support surface 13b, the position regulating protrusion 31 contacted with the position regulation surface 13c, and the support surface 37 is stably supported by the head of the fixing screw 27. Then, the rotation axis of the setting dial 19 is set to A, and the fixing screw 27 is fixed to the support portion 13 so as to coincide with the extension direction (B) of the support portion 13. The click ball 25 is a click plate 2 on the upper surface of the setting dial 19.
It is prevented from falling off by elastic contact with zero.

Accordingly, the dial support device 11 can rotate the dial guide portion 18 with a finger to rotate the guide surface 3 in a direction (axial direction A) different from the extension direction (B) of the support portion 13.
The setting dial 19 can be rotated around the center 2 and can be stopped at the position where the click ball 25 engages with the click groove 20a. Further, the assembling structure is such that the setting dial 19 is fitted to the shaft member 29, and the shaft member 2
9 has a very simple structure in which it is simply attached to the support portion 13 by the fixing screw 27, and the number of components is extremely reduced as compared with the conventional dial support device 11 ', so that the number of assembly steps is reduced. Product costs can also be reduced. Further, the click stop mechanism has a simple configuration in which the click ball 25 provided on the exterior cover 12 is brought into contact with the upper surface of the setting dial 19, so that the assembling operation can be simplified.

In the present embodiment, the present invention has been described with respect to the setting dial 19 provided on the external cover 12 of the camera. However, the present invention is not limited to the camera, and a rotating body such as the setting dial may be extended in the extending direction of the support. The present invention can be applied to anything that supports rotation in a different direction.

[0015]

As described above, the rotating body supporting device of the present invention can reliably support the rotating body only by fixing the shaft member fitted with the rotating body to the supporting portion by the fixing member. Therefore, the number of parts can be extremely reduced as compared with the conventional rotating body supporting apparatus, the cost of processing the parts can be reduced, and the number of assembly steps can be reduced, thereby reducing the product cost. Further, since no space outside the outer diameter of the rotating body is required for supporting the rotating body, the space around the rotating body can be effectively used.

[Brief description of the drawings]

FIG. 1 is a side sectional view showing an example of a dial support device to which the present invention is applied.

FIG. 2 is a plan view showing a setting dial.

FIG. 3 is an enlarged perspective view of the shaft member according to the present invention.

FIG. 4 is a side sectional view showing a conventional dial support device.

[Explanation of symbols]

 Reference Signs List 11 dial support device (rotating body support device) 12 external cover (synthetic resin member) 13 support portion 14 shaft hole 18 dial finger hook portion 19 setting dial 20 click plate 20a click groove 21 printed circuit board 24 compression spring 25 click ball 26 insertion hole 27 Fixing Screw (Fixing Member) 28 Ball Insertion Projection 29 Shaft Member 30 Contact Surface 31 Position Restriction Protrusion 32 Rotation Guide Surface 33 Restriction Surface 35 Flange 36 Fixing Hole 37 Support Surface

Claims (2)

(57) [Scope of request for utility model registration] 1. A rotating body supporting device for supporting a rotating body on a supporting portion extending in a direction different from a rotation axis of the rotating body, comprising: a rotating guide surface concentric with the rotating body; and a fixing hole parallel to the supporting portion. A rotating body support device, comprising: a shaft member; a rotatable fitting of the rotating body on the rotation guide surface; and a fixing member for fixing the shaft member to a support portion inserted through a fixing hole. 2. The device according to claim 1, wherein the support portion is formed so as to protrude from the synthetic resin member.
A rotating body support device that is a direction in which a molding die is removed when the synthetic resin member is molded.