JP4947937B2 - Camera with lens ring and fixing method of lens ring - Google Patents

Description

  The present invention relates to a fixing method of a lens ring set on a lens opening of a front cabinet of a camera and a camera provided with the lens ring.

  Cameras, particularly digital cameras, have been made thin by adopting a retractable type in which a lens unit appears and disappears from a front cabinet. In many of these retractable cameras, a decorative lens ring is set at the lens intrusion opening edge of the front cabinet (Patent Document 1).

JP 2000-231148 A

Most conventional digital camera lens rings are fixed to the front cabinet with screws, double-sided adhesive tape, adhesive, or the like.
In the case of screwing, a small screw must be tightened manually by an operator, and careful work is required so that the screw does not roll into a narrow gap, which takes time. One or more screwing points may be forgotten with respect to a plurality of screwing points, and there is also a problem of screw floating.
In the case of adhesive tape fastening, there is a problem of floating or peeling of the adhesive tape.
In the case of adhesive stop, there is a problem of the adhesive sticking out.
Further, when reusing parts around the lens ring including the lens ring or reassembling the lens ring due to a poor assembly of the lens ring, in the case of fixing the lens ring screw, it takes time to loosen the screw.
In the case of an adhesive or double-sided adhesive tape, disassembly is difficult.

  The present invention clarifies a camera equipped with a lens ring and a method for fixing the lens ring that can solve the above problems.

The camera according to the present invention includes a lens ring, a chassis, a front cabinet, and a top cabinet, and the lens ring is supported by the front cabinet according to a positioning member provided in the front cabinet, and the front cabinet is started from one side. Further, the pressure is held by the top cabinet and the chassis from the other side .

Lens-rings from the front by the front cabinet are nipping held from behind by a tongs part projecting from the top cabinet.

Lens-rings from the front by the front cabinet are nipping held from behind by a scissors edge provided on the chassis.

The lens-ring is formed on the mirror portion integrally exposed to the front surface of the front cabinet.

Camera according to the present invention, a lens-ring, between the camera front cabinet and the top cabinet, or to clamp held between the plurality of structures, directly to the front cabinet of the lens-ring, bis The above-mentioned problem as in the case of fixing with a stopper, double-sided adhesive tape or adhesive does not occur.

Further, if separate structures that the lens-ring and clamp holding, since the lens-ring fixing is also released, reuse and its peripheral components including a lens-ring, the assembly of the lens-ring failure The above problem does not occur in the reassembly according to the above.

FIG. 1 shows a front cabinet (1), a top cabinet (2), a back cabinet (5), a lens ring (4), and a chassis (3) of a lens retractable digital camera.
All of the above components are made of synthetic resin.

The front cabinet (1) has a large circular lens opening (12) in which a lens unit (see reference numeral (7) in FIGS. 4 and 5) protrudes and protrudes from the front left side. (11) Has (11). The side plates (11) and (11) form approximately half of the side wall of the camera cabinet.
As shown in FIG. 2, a mirror hole (16) is formed in the upper left corner of the front surface of the front cabinet (1).

  Both ends of the back cabinet (5) are provided with side plates (51) and (51) bent forward. The side plates (11) and (11) form approximately half of the side wall of the camera cabinet.

Three mounting seats (14), (14) and (15) for fixing the top cabinet (2) protrude from the back surface of the front cabinet (1). Two mounting seats (14) and (14) are located close to the upper end of the front cabinet (1), and one mounting seat (15) is the closest part of the lens opening (12) and the mirror hole (16). Near the mirror hole (46).
On the back of the front cabinet (1), two protrusions (17) and (18) for positioning the lens ring (4) are projected, and one of the protrusions (18) is the mirror hole ( It is located on the right side of the mirror hole (16) close to 16).
Mounting pieces (13), (13a), (13b), and (13c) project from the both side plates (11) and (11) of the front cabinet (1) toward the rear.

The top cabinet (2) has a horizontally long rectangular shape, and the outer peripheral portion has a short hanging wall (21) curved in an arc shape over the entire circumference. (1) and the convex step part (25) which fits and positions at the upper end edge of the back cabinet (5) is formed.
A pinching piece (24) protrudes downward from the left end on the front edge side of the top cabinet (2), and a screw insertion hole (25a) is formed in the pinching piece (24).
At the front edge of the top cabinet (2), two mounting pieces (not shown) that reach the mounting seats (14) and (14) of the front cabinet (1) are projected downward.
Mounting pieces (23) protrude downward from the left and right ends of the top cabinet (2).
At the rear edge of the top cabinet (2), a plurality of claw pieces (22) that can be engaged with the back cabinet (5) are projected downward.

The lens ring (4) is formed in a size that fits into the lens opening (12) of the front cabinet (1), and a flange (4) hits the edge of the lens opening (12) from the back of the front cabinet (1). 41). A part of the flange (41) projects outward to form a support portion (42) and a projecting piece (45). A circular convex mirror portion (43) that fits into the mirror hole (16) is integrally formed on the support portion (42), and the support portion (42) is engaged with the mounting seat (15). A notch (44) has been established.
The protrusion (45) has a hole (46) that fits into the protrusion (17) on the front cabinet (1).

  The mirror part (43) is formed on the mirror surface by plating the surface, and is used to check itself when looking at the mirror surface when the photographer photographs the lens toward himself / herself. .

The chassis (3) can be closely fitted between the side plates (11) and (11) of the front cabinet (1), and is positioned at a position corresponding to the lens opening (12) of the front cabinet (1). 7) It has a circular opening (31) for accommodating it. The front opening edge of the opening (31) presses the back surface of the lens ring (4) and holds the lens ring (4) between the front cabinet (1) (32). ).
However, in practice, the opening (31) does not go around the lens ring (4) around the mirror hole (16) of the front cabinet (1) as a chipped portion (30).
A clip piece (24) of the top cabinet (2) is located corresponding to the notch (30).
The chassis (3) is provided with mounting seats (33), (34) and (34) at positions corresponding to the mounting pieces (13a), (13b) and (13c) of the front cabinet (1).

  When assembling the camera cabinet, first, as shown in FIG. 3, the lens ring (4) is fitted into the lens opening (12) from the back side of the front cabinet (1), and the mirror portion (43 ) Is fitted into the mirror hole (16). At the same time, the mounting seat (15) is fitted into the notch (44) of the support portion (42) of the lens ring (4), and the protrusion (17) is fitted into the hole (46) of the protruding piece (45). Thereby, the lens ring (4) is positioned in the rotational direction.

Next, the top cabinet (2) is set on the front cabinet (1), and the sandwiching piece (24) of the top cabinet (2) is attached to the rear surface of the support part (42) including the mirror part (43) of the lens ring (4). Put on. A screw (not shown) inserted through the screw insertion hole (25a) of the clip piece (24) is tightened into the screw hole (15a) of the mounting seat (15).
As a result, the support portion (42) of the lens ring (4) is held between the sandwich piece (24) and the front cabinet (1).
Two mounting pieces (not shown) suspended from the front edge of the top cabinet (2) are screwed to the mounting seats (14) and (14) of the front cabinet (1).

Next, the chassis (3) is fitted between the side plates (11) and (11) of the front cabinet (1), and the lens housing opening (31) and the lens opening (12) of the front cabinet (1) are inserted. Adjust the position. In the embodiment, the positional relationship in which the chassis (3) can be fitted into the front cabinet (1) is determined, and when the chassis (3) is fitted into the front cabinet (1), the lens housing opening of the chassis (3). (31) coincides with the lens opening (12) of the front cabinet (1).
With the chassis (3) in the fixed position of the front cabinet (1), the clip edge (32), which is the front edge of the lens unit housing opening (31) of the chassis (3), moves the lens ring (4) backward. Can be pressed from.

  Next, the back cabinet (5) is put on the rear surface of the chassis (3), and both side plates (51) and (51) of the back cabinet (5) are attached to the mounting pieces (13) (13a) (13b) of the front cabinet (1). (13c) and pass through the side plates (51) (51) and the corresponding mounting pieces (13) (13a) (13b) (13c), and screw (8) is attached to the mounting seat (33 ) (34) (34) and the mounting piece (23) of the top cabinet (2) are screwed together to assemble the camera cabinet.

As described above, the lens ring (4) is clamped and held by the front cabinet (1) of the camera from the front and by the clamping piece (24) of the chassis (3) and the top cabinet (2) from the rear. There is no problem in fixing (4) directly to the front cabinet (1) with screws, double-sided adhesive tape or adhesive. That is, in the case of screwing, a small screw must be tightened manually by an operator, and careful work is required so that the screw does not roll into a narrow gap, which takes time. One or more screwing points may be forgotten with respect to a plurality of screwing points, and there is also a problem of screw floating.
In the case of adhesive tape fastening, there is a problem of floating or peeling of the adhesive tape.
In the case of adhesive stop, there is a problem of the adhesive sticking out.
Furthermore, when reusing parts around the lens ring including the lens ring or reassembling due to an improper assembly, it takes time to loosen the screws in the case of lens ring screwing.
The present invention can solve the above problems all at once.
If the front cabinet (1) and the chassis (3) sandwiching the lens ring (4) are separated, the fixing of the lens ring (4) is also released, so the peripheral parts including the lens ring (4) can be reused. Even if it is necessary to reassemble due to a defective assembly, it can be easily performed.
As in the embodiment, even if the chip ring edge (32) of the chassis (3) has a chip (30), and the chip edge (32) does not go around the lens ring (4), the chip Since the clamping piece (24) of the top cabinet (2) is located at the position of the section (30), even when an external force is applied, the load is dispersed and high rigidity can be exerted, and the lens ring (4) is stabilized. Can be held.

  The above description of the embodiments is for explaining the present invention, and should not be construed as limiting the invention described in the claims or reducing the scope thereof. Moreover, each part structure of this invention is not restricted to the said Example, A various deformation | transformation is possible within the technical scope as described in a claim.

  For example, the holding of the lens ring (4) is not limited to the holding piece (24) on the front cabinet (1), chassis (3) and top cabinet (2), but the lens ring (4). As long as the lens ring (4) can be held in the lens opening (12) of the front cabinet (1) where the lens unit (7) protrudes and retracts, the type of parts is not limited.

  Further, in the embodiment, if the lens ring clamping edge (32) makes a round corresponding to the lens ring (4), the clamping piece (24) on the top cabinet (2) is unnecessary.

It is a disassembled perspective view of a camera cabinet. It is a perspective view of a front cabinet. It is the perspective view which set the lens ring to the front cabinet. It is sectional drawing of a lens ring. It is a cross-sectional view of a lens ring holding state. It is a longitudinal cross-sectional view of a lens ring holding state.

Explanation of symbols

1 Front cabinet
12 Lens aperture
16 Mirror hole 2 Top cabinet
24 Clamping piece 3 Chassis
31 Lens unit accommodation opening 4 Lens ring
42 Support section
43 Mirror section

Claims (4)

Lens ring,
Chassis,
Front cabinet, and top cabinet,
Camera the lens ring is supported by the front cabinet according to the positioning member provided in the front cabinet and the one characterized in that it is clamping holding the front cabinet, the other by the top cabinet and the chassis .   The camera according to claim 1, wherein the lens ring is clamped and held from the front by the front cabinet and from the rear by a clip piece protruding from the top cabinet. 3. The camera according to claim 1, wherein the lens ring is clamped and held from the front by the front cabinet and from the rear by a clamping edge provided in the chassis. The camera according to claim 1, wherein the lens ring is integrally provided with a mirror portion exposed on a front surface of the front cabinet.

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