JP2010152060A - Cap attaching/detaching auxiliary member and storage case - Google Patents

Abstract

Provided is a technique capable of easily removing a cap attached to an interchangeable lens.
A cap attaching / detaching auxiliary member 10 includes a base material having one main surface and fixing means for fixing the base material to a fixing portion FP. The base material has an interchangeable lens 50 on one main surface side. The recess 20 has a recess HU into which the cap 20 can be inserted, and the recess HU has a force greater than the force required to remove the cap 20 from the interchangeable lens 50. Hold.
[Selection] Figure 5

Description

  The present invention relates to a member that assists in removing a cap attached to an interchangeable lens.

  Among imaging devices, there is an imaging device in which lenses can be exchanged, such as a single-lens reflex type camera (also referred to as “single-lens reflex camera”).

  Caps for protecting the lens and the like can be attached to both ends of the interchangeable lens for the imaging device capable of exchanging the lens, and the interchangeable lens is stored in a carrying case or the like with the cap attached ( For example, Patent Document 1).

JP-A-8-164013

  When exchanging the lens, the cap attached to the interchangeable lens is removed. However, removing the cap has been complicated in exchanging the lens.

  Therefore, an object of the present invention is to provide a technique capable of easily removing a cap attached to an interchangeable lens.

  A first aspect of the present invention is a cap attaching / detaching auxiliary member, comprising: a base material having one main surface; and a fixing means for fixing the base material to a fixing portion. On the main surface side, there is a depression capable of pushing a cap attached to one end of the interchangeable lens, and the depression is pushed into the depression by a force larger than a force required for removing the cap from the interchangeable lens. Hold the cap.

  According to a second aspect of the present invention, there is provided a storage case, comprising: a housing for storing an interchangeable lens that can be fitted with a cap at one end; and a cap attaching / detaching auxiliary member that can be fixed to an inner wall of the housing. The attachment / detachment assisting member has a depression capable of pushing the cap on one main surface side, and the depression is pushed into the depression by a force larger than a force required to remove the cap from the interchangeable lens. Hold the cap.

  According to the present invention, it is possible to easily remove the cap attached to the interchangeable lens.

  Embodiments of the present invention will be described below with reference to the drawings.

<Embodiment>
[Overview]
FIG. 1 is a top external view of a cap attaching / detaching auxiliary member 10 according to an embodiment of the present invention, and FIG. 2 is a bottom external view of the cap attaching / detaching auxiliary member 10. In FIG. 1 and FIG. 2, XY orthogonal two axes are attached in order to clarify the azimuth relationship.

  As shown in FIG. 1, the cap attaching / detaching auxiliary member 10 is also called a substantially cylindrical recess (also referred to as “recess” or “perforation”) at the center of the surface (also referred to as “surface” or “one main surface”) on the + Y direction side. ) Have HU.

  As shown in FIG. 2, the cap attaching / detaching auxiliary member 10 has a hook-and-loop fastener MF on the surface (also referred to as “back surface” or “other main surface”) on the −Y direction side. When the hook-and-loop fastener MF on the back surface is connected to a pair of hook-and-loop fasteners (also referred to as “corresponding hook-and-loop fasteners”) provided on the fixing portion, the cap attaching / detaching auxiliary member 10 is fixed to the fixing portion. Thus, the hook-and-loop fastener MF provided on the back surface functions as a fixing means for fixing the cap attaching / detaching auxiliary member 10 to the fixing portion.

  The cap attaching / detaching auxiliary member 10 is used in a state of being fixed to the fixing portion, and assists in attaching / detaching the cap of the interchangeable lens 50.

  Specifically, this will be described with reference to FIGS. FIG. 3 is a view showing the interchangeable lens 50 to which the cap (here, the rear cap) 20 is attached. 4 to 6 are views showing a state in which the rear cap 20 of the interchangeable lens 50 is removed using the cap attaching / detaching auxiliary member 10. FIG. 7 is a diagram illustrating a state where the interchangeable lens 50 is attached to the imaging apparatus main body 100.

  As shown in FIG. 3, the rear cap 20 for protecting the lens and the mount ML1 is mounted on the mount ML1 of the interchangeable lens 50.

  The rear cap 20 is a cylindrical member that is made of plastic (synthetic resin) and has a disc-shaped bottom portion 201. The rear cap 20 can be screwed into the mount portion ML1 of the interchangeable lens 50, and can be detached from the interchangeable lens 50 by rotating in the direction indicated by the arrow YA1 (anti-screwing direction).

  Here, a procedure for removing the rear cap 20 using the cap attaching / detaching auxiliary member 10 according to the present embodiment will be described.

  Specifically, as shown in FIG. 4, the interchangeable lens 50 to which the rear cap 20 is attached is pushed into the recess HU of the cap attaching / detaching auxiliary member 10 fixed to the fixing portion FP from the rear cap 20 side. The pushed rear cap 20 is held by the depression HU with a force larger than the force required to remove the rear cap 20.

  Then, as shown in FIG. 5, when the interchangeable lens 50 is rotated in the anti-screwing direction (the direction indicated by the arrow YA <b> 2 in FIG. 5) with the rear cap 20 being pushed in, the rear cap 20 is removed from the interchangeable lens 50. Can be removed.

  When the interchangeable lens 50 is pulled away from the cap attaching / detaching auxiliary member 10 after the rear cap 20 is removed, the rear cap 20 is left in the recess HU of the cap attaching / detaching auxiliary member 10, and the interchangeable lens 50 without the rear cap 20 is obtained. (See FIG. 6).

  Then, as shown in FIG. 7, the interchangeable lens 50 not attached with the rear cap 20 is configured such that the mount ML1 of the interchangeable lens 50 is aligned with the annular mount ML2 of the image capture device main body 100. It is attached to.

  As described above, by using the cap attaching / detaching auxiliary member 10 for removing the rear cap 20, the user can easily perform the removing operation of the rear cap 20 with one hand.

  When the rear cap 20 is attached to the interchangeable lens 50 again, the interchangeable lens 50 not attached with the rear cap 20 may be inserted into the recess HU of the cap attaching / detaching auxiliary member 10 and rotated in the direction opposite to the arrow YA2. .

[About the cap attaching / detaching auxiliary member 10]
Next, the configuration of the cap attaching / detaching auxiliary member 10 will be described in detail. FIG. 8 is a top view of the cap attaching / detaching auxiliary member 10, and FIG. 9 is a cross-sectional view of the cap attaching / detaching auxiliary member 10 cut along the IX-IX section of FIG. FIG. 10 is a view showing a state in which the rear cap 20 is pushed into the recess HU of the cap attaching / detaching auxiliary member 10. In FIG. 8, FIG. 9, and FIG. 10, three axes XYZ orthogonal to each other are attached in order to clarify the azimuth relationship. FIG. 11 is a diagram showing the relationship between the rubber hardness GH of the hard rubber used for the cap attaching / detaching auxiliary member 10 and the ratio RT of the diameter DM of the recess HU to the cross-sectional width of the rear cap 20. FIG. 12 is a diagram illustrating a state where the rear cap 20 is removed using the cap attaching / detaching auxiliary member 10.

  As shown in FIGS. 8 and 9, the cap attaching / detaching auxiliary member 10 has a substantially cylindrical depression HU on the surface of the base material MB formed of an elastic member (here, hard rubber). As shown in FIG. 10, the recess HU has a size that allows the rear cap 20 to be pushed in, and is configured to hold the pushed rear cap 20 with a predetermined force. .

  Specifically, in the cap attaching / detaching auxiliary member 10, the hollow cross section of the hollow HU in a plane parallel to the surface of the cap attaching / detaching auxiliary member 10 has a cross section of the rear cap 20 in a plane parallel to the bottom 201 of the rear cap 20. It is formed so as to be slightly smaller than the size of.

  More specifically, the cap attaching / detaching auxiliary member 10 is formed to have the characteristics included in the hatching region HR shown in FIG. That is, hard rubber having a rubber hardness GH of “hardness 60” to “hardness 80” is used for the cap attaching / detaching auxiliary member 10. Furthermore, the ratio RT of the diameter DM of the substantially circular hollow cross section to the width of the cross section of the rear cap 20 in the plane parallel to the bottom 201 (the outer diameter of the rear cap 20 represented by the double arrow RY in FIG. 10) is: It is comprised so that it may fall within the range of 99.0% to 99.5%.

  When the rear cap 20 slightly larger than the depression HU is pushed into the depression HU of the cap attachment / detachment auxiliary member 10 having such a configuration, the depression HU of the cap attachment / detachment auxiliary member 10 made of an elastic member is elastically deformed. The opening diameter is widened. Then, as shown in FIG. 12, in the pushed state, the elastic force of the cap attaching / detaching auxiliary member 10 acts on the rear cap 20, and between BW2 between the hollow HU and the rear cap 20 pushed into the hollow HU, A holding force HF for holding the rear cap 20 works. In the cap attaching / detaching auxiliary member 10, the holding force HF is larger than the force acting on the BW 3 between the mount portion ML 1 of the interchangeable lens 50 and the rear cap 20, that is, the force NF required to remove the rear cap 20 from the interchangeable lens 50. .

  In the cap attaching / detaching auxiliary member 10, a fixing force (also referred to as “adhesive force”) KF that acts on the BW 1 between the cap attaching / detaching auxiliary member 10 and the fixing portion FP is a force required for removing the rear cap 20. It is configured to be larger than NF.

  The recess HU of the cap attaching / detaching auxiliary member 10 is provided with a pair of substantially semicircular clue parts (also referred to as “finger hooks”) TU (see FIG. 8). The user can insert a finger into the clue unit TU and take out the rear cap 20 held in the depression HU from the depression HU.

  As described above, the cap attaching / detaching auxiliary member 10 according to the present embodiment has the depression HU into which the rear cap 20 attached to one end of the interchangeable lens 50 can be pushed, on one main surface side of the base material MB. The depression HU holds the rear cap 20 pushed into the depression HU with a force larger than the force required to remove the rear cap 20 from the interchangeable lens 50.

  If the cap attaching / detaching auxiliary member 10 having such a configuration is used, the user can easily remove the rear cap 20 while holding the interchangeable lens 50 to which the rear cap 20 is attached with one hand.

[Application example]
Next, an application example of the cap attaching / detaching auxiliary member 10 according to the present embodiment will be described.

  The cap attaching / detaching auxiliary member 10 can be provided, for example, in a storage case (also referred to as “carrying case”) of the interchangeable lens 50. 13 is a view showing a storage case 30A provided with the cap attaching / detaching auxiliary member 10, and FIG. 14 is a view showing a storage case 30B provided with the cap attaching / detaching auxiliary member 10. As shown in FIG.

  Specifically, a pair of hook and loop fasteners are provided on the inner wall of the storage case 30A shown in FIG. According to this, since the cap attaching / detaching auxiliary member 10 can be fixed to the inner wall of the storage case 30A by aligning the hook-and-loop fasteners, the rear cap 20 can be attached / detached in the storage case 30A.

  Here, since the hook-and-loop fastener is used as the fixing means for the cap attaching / detaching auxiliary member 10, the arrangement position of the cap attaching / detaching auxiliary member 10 can be freely changed in the storage case 30A.

  In addition, in the cylindrical storage case 30B that can be hung on the user's waist as shown in FIG. 14, a pair is formed on the bottom of the inner wall of the storage case 30B with respect to the surface fastener MF of the cap attaching / detaching auxiliary member 10. A hook-and-loop fastener is provided. In such a storage case 30B, by arranging the cap attaching / detaching auxiliary member 10 at the bottom, the rear cap 20 can be attached / detached in the storage case 30B.

  In addition, in the storage cases 30A and 30B shown in FIGS. 13 and 14, the cap attaching / detaching auxiliary member 10 may be fixed in advance by an adhesive or the like without using the surface fastener.

<Modification>
Although the embodiments of the present invention have been described above, the present invention is not limited to the contents described above.

  For example, in the said embodiment, although illustrated about the case where all the cap attachment / detachment auxiliary members 10 were formed with hard rubber, it is not limited to this.

  Specifically, when the rear cap 20 is pushed into the depression HU, a portion of the cap attaching / detaching auxiliary member 10 that contacts the rear cap 20, that is, a portion of the depression HU that contacts the rear cap 20 is formed of hard rubber. It only has to be done.

  Moreover, in the said embodiment, when the rear cap 20 was formed with the plastic, although illustrated about the case where the cap attachment / detachment auxiliary member 10 was formed with the hard rubber, it is not limited to this.

  Specifically, when the contact portion of the rear cap 20 with the cap attaching / detaching auxiliary member 10 is formed of hard rubber, the portion of the cap attaching / detaching auxiliary member 10 that contacts the rear cap 20 is formed of plastic. It may be.

It is an upper surface external view of the cap attachment / detachment auxiliary member according to the embodiment of the present invention. It is a lower surface external view of the cap attachment / detachment auxiliary member according to the embodiment of the present invention. It is a figure which shows the interchangeable lens with which the lens cap was mounted | worn. It is a figure which shows a mode that the rear cap of an interchangeable lens is removed using a cap attachment / detachment auxiliary member. It is a figure which shows a mode that the rear cap of an interchangeable lens is removed using a cap attachment / detachment auxiliary member. It is a figure which shows a mode that the rear cap of an interchangeable lens is removed using a cap attachment / detachment auxiliary member. It is a figure which shows a mode that an interchangeable lens is attached to an imaging device main body. It is a top view of a cap attachment / detachment auxiliary member. It is sectional drawing of the cap attachment / detachment auxiliary member cut | disconnected by the IX-IX cross section of FIG. It is a figure which shows the state which pushed the rear cap into the hollow of the cap attachment / detachment auxiliary member. It is a figure which shows the relationship between the rubber hardness used for a cap attachment / detachment auxiliary member, and the ratio of the diameter of the hollow with respect to the diameter of a rear cap. It is a figure which shows typically a mode that a rear cap is removed using a cap attachment / detachment auxiliary member. It is a figure which shows the storage case provided with the cap attachment / detachment auxiliary member. It is a figure which shows the storage case provided with the cap attachment / detachment auxiliary member.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Cap attachment / detachment auxiliary member 20 Rear cap 30A, 30B Storage case 50 Interchangeable lens 100 Imaging device main body HU hollow (recessed part)
FP fixing part MF hook-and-loop fastener TU finger hook part (cue part)

Claims (9)

A substrate having a major surface;
Fixing means for fixing the base material to the fixing portion;
With
The base material has a depression into which a cap attached to one end of the interchangeable lens can be inserted on the one main surface side,
The recess is a cap attachment / detachment auxiliary member that holds the cap pushed into the recess by a force larger than a force required to remove the cap from the interchangeable lens.   The cap attachment / detachment assisting member according to claim 1, wherein a portion of the base material that is in contact with the cap in a state where the cap is pressed into the recess is formed of an elastic member. When the cap is a cylindrical member having a disk-like bottom,
The hollow cross section of the recess in a plane parallel to the one principal surface is substantially circular,
3. The cap attachment / detachment auxiliary member according to claim 2, wherein a size of the hollow cross section is smaller than a size of a cross section of the cap in a plane parallel to the bottom portion of the cap.   The cap attachment / detachment assisting member according to claim 3, wherein the elastic member is formed of hard rubber when a contact portion of the cap with the base material is formed of plastic.   The cap attachment / detachment auxiliary member according to claim 4, wherein a ratio of a diameter of the hollow cross section to a width of the cross section of the cap is included in a range of 99.0% to 99.5%. The fixing means has a hook-and-loop fastener provided on the other main surface of the base material,
The cap attaching / detaching auxiliary member according to claim 5, wherein the hook-and-loop fastener is connected to a pair of hook-and-loop fasteners provided in the fixing portion.   The cap attaching / detaching auxiliary member according to claim 6, wherein the base member has a finger hook portion for taking out the cap pushed into the depression.   In the state where the cap is pushed into the recess, the portion of the base material that contacts the cap is formed of plastic when the portion of the cap that contacts the base material is formed of hard rubber. The cap attaching / detaching auxiliary member according to claim 1. A housing that houses an interchangeable lens that can be fitted with a cap at one end;
A cap attaching / detaching auxiliary member that can be fixed to the inner wall of the housing;
With
The cap attaching / detaching auxiliary member has a recess capable of inserting the cap on one main surface side,
The recess is a storage case that holds the cap pushed into the recess by a force larger than a force required to remove the cap from the interchangeable lens.

Images