JP2021014733A - Operation unit cover - Google Patents

Abstract

To improve the convenience of an operation unit cover.SOLUTION: In an operation unit cover 1, a user sticks dial sheets having marks indicating lock or release positions to the outer peripheral surfaces 3C, 4C of dial rings 3, 4. Thus, the user can select a mark indicating a lock position or a release position on the basis of user's intention. Sticking marks 8A-8E for identifying positions to which the dial sheets are to be stuck are provided to the dial rings 3, 4. Thus, the user can stick the dial sheets to the dial rings 3, 4 on the basis of at least one of the sticking marks 8A-8E.SELECTED DRAWING: Figure 1

Description

The present disclosure relates to an operation unit cover that covers the operation unit. The operation unit is a part for operating the locking dead bolt from the door. Specifically, for example, a thumb turn or a cylinder into which a key is inserted corresponds to the operation unit.

For example, the thumb turn protection device described in Patent Document 1 includes a cylinder portion that surrounds the thumb turn, a cap body that openably closes the front open end of the cylinder portion, a padlock that prohibits the cap body from opening, and the like. Has.

Japanese Unexamined Patent Publication No. 2004-225241

The present disclosure improves the convenience of the operation unit cover.

It is desirable that the operation unit cover covering the operation unit (31) for operating the locking dead bolt (33) from the door (D) includes, for example, at least one of the following constituent requirements.

That is, the constituent requirements include a cover body (2) fixed to the door (D) so as to surround the periphery of the operation unit (31), and a lid for opening the opening of the cover body (2) so as to be openly closed. An annular dial ring (3) that can rotate with respect to the outer peripheral surface of the cover body (2) in a state where the cover body (2) is restricted from falling off from the cover body (5). A dial ring (3) that can rotate between the lock position that engages with () and the release position that is disengaged, and a dial sheet (6) that is provided with a mark indicating the lock position or release position. The dial sheet (6) attached to the outer peripheral surface (3C) of the dial ring (3) and the convex or concave affixed mark portion (8A) provided on the outer peripheral surface (3C) of the dial ring (3). There is a sticking mark portion (8A) for specifying the position where the dial sheet (6) should be stuck.

As a result, in the operation unit cover, the lid (5) can be opened when the dial ring (3) is in the release position. The dial sheet (6) provided with the mark indicating the lock position or the release position is provided on the outer peripheral surface (3C) of the dial ring (3) by a person (hereinafter referred to as a user) who uses the operation unit cover. Can be attached to.

Therefore, in the operation unit cover, the mark indicating the lock position or the release position is determined by the position where the user attaches the dial sheet (6). In other words, the user can select a mark indicating the lock position or the release position based on the user's will.

Specifically, for example, when the symbol "1" is attached to the release position, the symbol "1" becomes a "mark indicating the release position". Similarly, when the symbol "1" is attached to the lock position, the symbol "1" becomes a "mark indicating the lock position".

The design is an "identifier that can be visually recognized such as characters, numbers, symbols, figures, colors, or patterns" or "an identifier that can be recognized by touch such as unevenness such as Braille or a three-dimensional shape". To say. The symbol may be any symbol such as "a symbol previously provided on the dial sheet (6)" and "a symbol provided by the user on the dial sheet (6)".

By the way, the user needs to attach the dial sheet (6) to the dial ring (3, 4) so that the symbolic symbol matches the lock position or the unlock position. That is, if the mark is largely deviated from the lock position or the release position, there is a high possibility that the lid (5) will not be opened or closed even if the user rotates the dial ring (3) with reference to the mark.

On the other hand, the dial ring (3) is provided with a convex or concave sticking mark portion (8A) for specifying a position where the dial sheet (6) should be stuck. Therefore, the user can attach the dial sheet (6) to the dial ring (3) with reference to the attachment mark portion (8A).

The sticking mark portion (8A) is formed in a shape such that the sticking mark portion (8A) can be touched by the user when the user touches the outer peripheral surface (3C) with a finger, such as convex or concave. Therefore, the user can easily and surely attach the dial sheet (6) to an appropriate position.

As a result, it is possible to prevent the mark from being significantly displaced from the lock position or the release position, so that the user can select the mark indicating the lock position or the release position based on the user's will, and the cover for the operation unit. Convenience is improved.

Incidentally, the reference numerals in the parentheses are examples showing the correspondence with the specific configurations and the like described in the embodiments described later, and the present disclosure is limited to the specific configurations and the like shown in the symbols in the parentheses. It's not something.

It is a figure which shows the cover for operation part which concerns on 1st Embodiment. It is an exploded view of the cover for operation part which concerns on 1st Embodiment. It is a figure which shows the mounting example of the cover for operation part which concerns on 1st Embodiment. A to D are diagrams showing dial sheets according to the first embodiment. It is a figure which shows the general household door. It is a figure which shows the state which the dial ring was removed from the cover for operation part which concerns on 1st Embodiment. It is a figure which shows the dial ring which concerns on 1st Embodiment. It is a figure which shows the dial ring which concerns on 1st Embodiment. It is a figure which shows the mounting example of the cover for operation part which concerns on 2nd Embodiment.

The following "embodiments of the invention" show an example of embodiments belonging to the technical scope of the present disclosure. That is, the matters specifying the invention described in the claims are not limited to the specific configuration, structure, etc. shown in the following embodiments.

The arrows, diagonal lines, and the like indicating the directions attached to each figure are described in order to make it easier to understand the relationship between each figure and the shape of each member or part. Therefore, the invention presented in the present disclosure is not limited to the directions given in each figure.

At least one member or part described with a reference numeral is provided unless otherwise specified such as "one". That is, if there is no notice such as "one", two or more of the members may be provided. The operation unit cover shown in the present disclosure includes at least components such as members or parts described with reference numerals.

(First Embodiment)
<1. Overview of operation unit cover>
The operation unit cover 1 (see FIGS. 1 and 2) according to the present embodiment is an example of the operation unit cover according to the present disclosure, and is applied to a thumb turn cover covering the thumb turn 31 as shown in FIG. It was done.

As shown in FIG. 5, the thumb turn 31 is an example of an operation unit for causing the dead bolt 33 to appear and displace. The dead bolt 33 is a cannuki for locking the door D. That is, the dead bolt 33 is a member that can be fitted into the building-side fixing portion such as the door frame, and the door D is locked by fitting into the building-side fixing portion.

<2. Operation unit cover configuration>
As shown in FIG. 1, the operation unit cover 1 according to the present embodiment includes a cover body 2, a lid 5, and at least one (two in this embodiment) dial rings 3, 4, and a dial. At least a sheet 6 (see FIGS. 4A to 4D) and the like are provided.

<Cover body>
As shown in FIG. 2, the cover main body 2 is a member having a substantially cylindrical shape (in the present embodiment, a substantially cylindrical shape). As shown in FIG. 3, the cover body 2 is fixed to the door D so as to surround the thumb turn 31 (hereinafter referred to as the operation unit 31).

The cover body 2 according to this embodiment is fixed to the door D with an adhesive member such as double-sided tape (not shown). As shown in FIG. 2, the cover body 2 has an annular ring portion 2A, a cylindrical tubular portion 2B, and the like.

The ring portion 2A is a portion fixed by the door D, and an annular double-sided tape is attached. The tubular portion 2B is a portion that rotatably supports the dial rings 3 and 4. The tubular portion 2B is provided with at least one (two in this embodiment) engaging grooves 2D and 2E.

The two engaging grooves 2D and 2E are grooves extending in a direction parallel to the central axis of the tubular portion 2B. The engaging grooves 2D and 2E extend from the tip of the tubular portion 2B to the ring portion 2A. Therefore, the engaging grooves 2D and 2E have a configuration in which one end side (ring portion 2A) side is closed and the other end side is open.

The ring portion 2A and the cylinder portion 2B according to the present embodiment are integrally molded products made of resin. The type of the resin does not matter, such as a colorless transparent material, a colored transparent material, and an opaque (turbid) material.

<Lid body>
The lid body 5 is a member for closing the opening 2F (see FIG. 2) of the cover body 2 so as to be openable (see FIG. 1). The lid 5 according to the present embodiment is detachably attached to the cover body 2 to close the tip end side of the tubular portion 2B.

The lid 5 is provided with the same number of engagement arms 5A and 5B as the engagement grooves 2D and 2E (two in this embodiment). The engaging arm 5A is a protrusion that can be fitted into the engaging groove 2D. The engaging arm 5B is a protrusion that can be fitted into the engaging groove 2E.

Each of the engaging arms 5A and 5B is provided with the same number of recesses 5C to 5F as the dial rings 3 and 4 (two in this embodiment). As shown in FIG. 6, the bottom of each recess 5C to 5F is abbreviated as the outer peripheral surface of the tubular portion 2B in a state where the engaging arms 5A and 5B are fitted into the engaging grooves 2D and 2E. It is configured to match.

Therefore, the portion of each of the engaging arms 5A and 5B facing the outside has an uneven shape. Hereinafter, the convex portions corresponding to the concave portions 5C, 5D, 5E, and 5F will be referred to as convex portions 5G, 5H, 5J, and 5K. “Outside of each engaging arm 5A, 5B” means the same side of each engaging arm 5A, 5B as the outer peripheral surface of the tubular portion 2B.

In the lid 5 according to the present embodiment, the engaging arms 5A and 5B are integrally molded products integrally molded with resin together with the lid 5. The type of the resin does not matter, such as a colorless transparent material, a colored transparent material, and an opaque (turbid) material.

The lid 5 is provided with at least one (two in this embodiment) temporary holding portions 6A and 6B (see FIG. 2). The temporary storage holding portions 6A and 6B are members capable of holding the temporarily placed position when the lid body 5 is removed from the cover body 2 and the lid body 5 is temporarily placed.

Specifically, the temporary holding portions 6A and 6B according to the present embodiment are composed of permanent magnets embedded in the lid 5. Therefore, the user can temporarily place the lid 5 removed from the cover body 2 on the door D.

The lid 5 and the cover body 2 according to the present embodiment are provided with connecting portions 7A and 7B (see FIG. 2). The connecting portions 7A and 7B are portions for connecting the lid body 5 and the cover main body 2 via a flexible connecting body (not shown) such as a string.

<Dial ring>
The dial rings 3 and 4 are annular members that can rotate with respect to the outer peripheral surface of the cover main body 2 (cylinder portion 2B) in a state where the cover main body 2 (cylinder portion 2B) is restricted from falling off. Then, the dial rings 3 and 4 can rotate between the lock position where the lid body 5 is engaged and the release position where the engagement is released.

That is, as shown in FIG. 7, ridges 3A and 4A are provided on the inner peripheral surfaces of the dial rings 3 and 4, respectively. Each of the ridges 3A and 4A is a convex portion extending along the inner peripheral surface of the dial rings 3 and 4 in a state of projecting toward the center side of the dial rings 3 and 4, that is, the outer peripheral surface of the tubular portion 2B. is there.

Each of the ridges 3A and 4A is provided with the same number of notches 3B and 4B as the engagement grooves 2D and 2E (two in this embodiment). Each of the cutout portions 3B and 4B is a portion in which the protruding dimensions of the ridges 3A and 4A are smaller than those of the other portions (the protruding dimensions include 0).

When the dial rings 3 and 4 are attached to the cover main body 2, the tips of the ridges 3A and 4A can slide and contact the outer peripheral surface of the tubular portion 2B. Therefore, the dial rings 3 and 4 can rotate with respect to the tubular portion 2B.

When the lid body 5 is attached to the cover body 2, the bottom portions of the recesses 5C to 5F substantially coincide with the outer peripheral surface of the tubular portion 2B, as shown in FIG. Therefore, the ridges 3A and 4A of the dial ring 3 can rotate with respect to the tubular portion 2B in a state of being fitted into the recesses 5C to 5F.

Specifically, the ridge 3A can rotate while being fitted in the recesses 5C and 5D. The ridge 34A can rotate while being fitted in the recesses 5E and 5F. Then, in the state where the ridges 3A and 4A are fitted into the recesses 5C to 5F, the ridges 3A and 4A can be engaged with the protrusions 5G, 5H, 5J and 5K.

That is, when a force in the direction of separating the lid body 5 from the cover body 2 acts on the lid body 5, the ridges 3A engage with the convex portions 5G and 5H so as to be caught, and the ridges 4A engage with the convex portions 5J and 5K. Engage so that it is caught in.

Then, when the dial rings 3 and 4 rotate and the positions of the notches 3B and 4B match the positions of the engaging arms 5A and 5B (engaging grooves 2D and 2E), the ridges 3A and 4A and the convex portions 5G and 5H The engagement with 5J and 5K is released.

That is, the lock position is the position of the dial rings 3 and 4 where the protrusions 3A and 4A and the convex portions 5G, 5H, 5J and 5K can be engaged with each other. The positions of the dial rings 3 and 4 where the positions of the notches 3B and 4B coincide with the positions of the engaging arms 5A and 5B (engaging grooves 2D and 2E) are the release positions.

As shown in FIG. 2, regulation portions 2G and 2H are provided on the tip end (open end) side of the cylinder portion 2B. The regulating portions 2G and 2H are portions for restricting the dial rings 3 and 4 from falling off from the tubular portion 2B.

The regulating portions 2G and 2H are protrusions protruding from the outer peripheral surface of the tubular portion 2B, and are in sliding contact with the ridges 4A. Therefore, the dial rings 3 and 4 are sandwiched between the ring portions 2A and the regulation portions 2G and 2H.

Therefore, the dial rings 3 and 4 are restricted from falling off from the tubular portion 2B. In this embodiment, the two dial rings 3 and 4 have the same shape. That is, the dial ring 3 and the dial ring 4 are common parts.

<Dial sheet>
The dial sheet 6 is a member of the sheet provided with a mark indicating a lock position or a release position, and is a member attached by a user to the outer peripheral surfaces 3C and 4C (see FIG. 7) of the dial ring 3.

Specifically, like the dial sheet 6 shown in any of FIGS. 4A to 4D, the dial sheet 6 according to the present embodiment has at least one symbol as a mark on the surface (in the present embodiment, the dial sheet 6 has at least one symbol. Multiple) The described strip-shaped sheet.

An adhesive is applied in advance to the back surface (attachment surface) of the dial sheet 6, and a release sheet (not shown) is attached to the front surface of the adhesive. The user discards the release sheet and attaches the back surface (attachment surface) of the dial sheet 6 to the outer peripheral surfaces 3C and 4C.

Then, for example, when the dial sheet 6 is attached to the outer peripheral surfaces 3C and 4C so that the symbol "A" is located at the release position, that is, the portion corresponding to the cutouts 3B and 4B, the symbol "A" is attached. It becomes a "mark indicating the release position".

Similarly, for example, when the dial sheet 6 is attached to the outer peripheral surfaces 3C and 4C so that the symbol "B" is located at the lock position, that is, a portion other than the notches 3B and 4B, the symbol "B" is concerned. Is a "mark indicating the lock position".

That is, in the operation unit cover 1 according to the present embodiment, the mark indicating the lock position or the release position is determined by the position where the user attaches the dial sheet 6. In other words, the user can select a mark indicating the lock position or the release position based on the user's will.

The design is an "identifier that can be visually recognized such as characters, numbers, symbols, figures, colors, or patterns" or "an identifier that can be recognized by touch such as unevenness such as Braille or a three-dimensional shape". To say. The symbol may be any symbol such as "a symbol printed on the dial sheet 6 in advance" and "a symbol written by the user on the dial sheet 6".

<Attachment mark>
As shown in FIG. 7, the outer peripheral surfaces 3C and 4C of the dial rings 3 and 4 are provided with at least one (a plurality of in the present embodiment) affixed mark portions 8A to 8E. The affixed mark portions 8A to 8E are portions that serve as a mark for specifying the position where the dial sheet 6 should be affixed.

The affixed mark portions 8A to 8E are convex or concave (convex in the present embodiment) portions. In other words, the sticking mark portions 8A to 8E are parts having a shape that the user can touch as the sticking mark portions 8A to 8E when the user touches the outer peripheral surfaces 3C and 4C with a finger.

That is, the plurality of sticking mark portions 8A to 8E are arranged at equal intervals in the circumferential direction of the outer peripheral surfaces 3C and 4C. Each affixed mark portion 8A to 8E has a congruent shape. Specifically, as shown in FIG. 8, each affixed mark portion 8A to 8E is a ridge of a ridge extending in a direction parallel to the width direction of the outer peripheral surfaces 3C and 4C.

At the root of each of the sticking mark portions 8A to 8E, inclined portions 9A to 9K (see FIG. 7) are provided so as to increase the outer peripheral diameter as the sticking mark portions 8A to 8E approach. In this embodiment, the inclined portions 9A to 9K are provided on both sides of the root portions of each of the plurality of sticking mark portions 8A to 8E.

The protruding protrusions 3D and 4D are portions that protrude in the radial direction from the widthwise end portions of the dial rings 3 and 4, and are operation portions that the user touches when rotating the dial rings 3 and 4. The protrusions 3D and 4D are provided on one side and the other side in the circumferential direction with the sticking mark portions 8A to 8E interposed therebetween.

In the present embodiment, the sticking mark portions 8A to 8E and the protrusions 3D and 4D, that is, the dial rings 3 and 4, are integrally molded products integrally molded with resin. The type of the resin does not matter, such as a colorless transparent material, a colored transparent material, and an opaque (turbid) material.

<3. An example of how to use the operation unit cover>
The user first fixes the cover body 2 to the door D. At this time, it is desirable that the cover main body 2 is arranged and fixed so that the operation unit 31 is located on the substantially central axis of the cover main body 2.

Next, the user attaches the dial rings 3 and 4 to the cover body 2. After that, the user attaches the lid 5 to the cover body 2 with the positions of the notches 3B and 4B aligned with the positions of the engaging grooves 2D and 2E.

Next, the user rotates at least one of the dial rings 3 and 4, and sets the dial rings 3 and 4 as the lock position. As a result, the lid 5 cannot be removed from the cover body 2.

When the dial rings 3 and 4 are released, the user rotates the dial rings 3 and 4 so that the "mark indicating the release position" matches the reference mark 2J (see FIG. 6). The reference mark 2J is a part of the cover body 2 (ring portion 2A) that serves as a mark provided in a part corresponding to the engagement groove 2D or the engagement groove 2E.

<4. Features of the operation unit cover according to this embodiment>
In the operation unit cover 1 according to the present embodiment, the user attaches the dial sheet 6 provided with the mark indicating the lock position or the release position to the outer peripheral surfaces 3C and 4C of the dial rings 3 and 4.

Therefore, in the operation unit cover 1, the mark indicating the lock position or the release position is determined by the position where the user attaches the dial sheet 6. In other words, the user can select a mark indicating the lock position or the release position based on the user's will.

By the way, the user needs to attach the dial sheet 6 to the dial rings 3 and 4 so that the symbolic symbol matches the lock position or the unlock position. That is, if the mark is largely deviated from the lock position or the release position, there is a high possibility that the lid 5 will not be opened or closed even if the user rotates the dial rings 3 and 4 with reference to the mark.

On the other hand, the dial rings 3 and 4 are provided with sticking mark portions 8A to 8E for specifying the position where the dial sheet 6 should be stuck. Therefore, the user can attach the dial sheet 6 to the dial rings 3 and 4 with reference to at least one of the attachment mark portions 8A to 8E.

The sticking mark portions 8A to 8E are configured so that the sticking mark portions 8A to 8E can be touched by the user when the user touches the outer peripheral surfaces 3C and 4C with a finger. Therefore, the user can easily and surely attach the dial sheet 6 to an appropriate position.

As a result, it is possible to prevent the mark from being significantly displaced from the lock position or the release position, so that the user can select the mark indicating the lock position or the release position based on the user's will, and the cover for the operation unit. Convenience is improved.

Inclined portions 9A to 9K are provided at the roots of the sticking mark portions 8A to 8E. As a result, the user can easily and surely attach the dial sheet 6 to an appropriate position as compared with the shape in which the inclined portions 9A to 9K are not provided.

The inclined portions 9A to 9K are provided on both sides of the root portions of each of the plurality of sticking mark portions 8A to 8E. Thereby, the user can attach the dial sheet 6 more easily.
If the inclined portions 9A to 9K are provided only on one side of the root portion of the sticking mark portions 8A to 8E, most users provide the band-shaped dial sheet 6 with the inclined portions 9A to 9K. Since the pasting is performed on the side of the other side as a reference, the pasting method may be limited and the convenience may be reduced.

By the way, when the operation unit cover 1 is attached to the door D, the user needs to remove the lid 5 when operating the operation unit 31. Therefore, for example, it is possible to suppress "wandering" such that a person with reduced cognitive ability such as an elderly person goes out when the family does not intend.

(Second Embodiment)
This embodiment is an example in which the cylinder into which the key is inserted is used as the operation unit 31. Specifically, as shown in FIG. 9, the cover main body 2 is fixed to the door D so as to surround the cylinder, which is an example of the operation unit 31.

As a result, the user can expect that picking and other actions are suppressed. That is, when the cylinder is covered with the operation unit cover 1, the time required for picking is longer than when (a) the criminal is not covered with the operation unit cover 1, and (b) "the household concerned". This is because criminals may recall, "I have a high awareness of crime prevention."

(Other embodiments)
In the operation unit cover 1 according to the above-described embodiment, the dial sheet 6 is not attached to the dial rings 3 and 4, at least at the time of shipment from the manufacturer, and the dial sheet 6 is the cover body 2, the dial ring 3, It is in a state of being packed together with 4 and the lid 5.

However, the present disclosure is not limited to this. That is, the disclosure may be in the form of being sold to the user in a state where the dial sheet 6 is attached to the dial rings 3 and 4 at, for example, a manufacturer or a store.

In the above-described embodiment, the temporary holding portion is configured by a permanent magnet. However, the present disclosure is not limited to this. That is, even if the disclosure is a configuration in which the temporary storage holding portion is configured by a hook-and-loop fastener such as Magic Tape (registered trademark) or Velcro (registered trademark), or a configuration in which the temporary storage holding portion is abolished. Good. Further, the number of temporary holding portions may be one or three or more.

In the above-described embodiment, the resin material constituting the operation unit cover is polycarbonate. However, the present disclosure is not limited to this. That is, the disclosure may be, for example, a cover for an operation unit made of a transparent resin material or a metal such as aluminum or stainless steel.

It should be noted that a person with reduced cognitive ability, such as an elderly person, may not be able to release the dial rings 3 and 4 even if the entire cover for the operation unit is transparent. Therefore, even if the entire cover for the operation unit is transparent, it is possible to obtain the same effect as that of the above-described embodiment. Further, when at least the lid 5 is transparent, the state of the thumb turn can be easily visually recognized.

The operation unit cover according to the above-described embodiment has two dial rings. However, the present disclosure is not limited to this. That is, the disclosure may be, for example, a cover for an operation unit having one or three or more dial rings.

There were two engaging arms 5A and 5B and two engaging grooves 2D and 2E according to the above-described embodiment. However, the present disclosure is not limited to this. That is, the disclosure may have, for example, a configuration in which the engaging arms 5A and 5B and the engaging grooves 2D and 2E are one or three or more.

The cover main body 2 according to the above-described embodiment has a configuration of being fixed to the door D with an adhesive member such as double-sided tape. However, the present disclosure is not limited to this. That is, the disclosure may have a configuration in which the cover main body 2 is fixed to the door D by, for example, a screw or a magnet.

The cover body 2 according to the above-described embodiment was a substantially cylindrical member. However, the present disclosure is not limited to this. That is, the disclosure may include, for example, a cover body 2 made of a square tubular member.

The lid body 5 according to the above-described embodiment was removable from the cover body 2. However, the present disclosure is not limited to this. That is, in the disclosure, for example, the lid 5 may be displaceably connected to the cover body 2 via a hinge or the like.

The dial sheet 6 according to the above-described embodiment had a strip shape provided with a plurality of symbols. However, the present disclosure is not limited to this. That is, the disclosure may be configured on the dial sheet 6 provided with, for example, one symbol. Incidentally, it is desirable that the number of sticking mark portions increases as the length of the dial sheet 6 becomes shorter, for example.

Furthermore, the present disclosure is not limited to the above-described embodiment as long as it conforms to the purpose of the disclosure described in the above-described embodiment. Therefore, either the configuration in which at least two of the above-described embodiments are combined, or the configuration requirements shown in the above-described embodiment or the configuration requirements described with reference numerals are abolished. It may be a configured configuration.

1 ... Cover for operation unit 2 ... Cover body 2J ... Reference mark 3, 4 ... Dial ring 5 ... Lid body 6 ... Dial sheet 8A to 8E ... Attached mark part 9A to 9K ... Inclined part 31 ... Thumb turn (operation part)

Claims (4)

In the operation part cover which is applied to a dead bolt for locking and a door having an operation part for causing and displacement of the dead bolt and covers the operation part.
A cover body fixed to the door so as to surround the operation portion,
A lid for closing the opening of the cover body so as to be open, and
An annular dial ring that is rotatable with respect to the outer peripheral surface of the cover body in a state where the cover body is restricted from falling off, and the lock position that engages with the lid body and the engagement are released. With a dial ring that can rotate between the release position and
A dial sheet provided with a mark indicating the lock position or the release position, and a dial sheet attached to the outer peripheral surface of the dial ring.
A cover for an operation unit that is a convex or concave sticking mark portion provided on the outer peripheral surface and includes a sticking mark portion for specifying a position where the dial sheet should be stuck. The sticking mark portion is a ridge of a ridge extending in a direction parallel to the width direction of the outer peripheral surface.
The cover for an operation unit according to claim 1, wherein an inclined portion is provided at the base portion of the pasted mark portion so that the outer peripheral diameter becomes larger as the sticking mark portion is approached. A plurality of the pasted mark portions are provided, and each of the plurality of pasted mark portions is arranged at equal intervals in the circumferential direction of the outer peripheral surface.
The cover for an operation unit according to claim 2, wherein the inclined portion is provided on both sides of a root portion of each of the plurality of sticking mark portions. A temporary holding portion provided on the lid for temporarily placing the lid when the lid is detached from the cover body, and is a temporary holding portion capable of holding the temporarily placed position. The cover for an operation unit according to any one of claims 1 to 3, further comprising a unit.