Door handles

The door handle integrates a sanitary sheet with antimicrobial functions to prevent the spread of viruses and bacteria, addressing the hygiene concerns of conventional door handles by reducing contaminant adhesion and transfer.

JP7656323B2Active Publication Date: 2025-04-03WEST INX
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Patent Information

Application Number
JP2021102473
Authority / Receiving Office
JP · JP
Patent Type
Patents
Current Assignee / Owner
Filing Date
2021-06-21
Publication Date
2025-04-03
Estimated Expiration
2041-06-21

AI Technical Summary

Technical Problem

Conventional door handles do not effectively prevent the spread of viruses and bacteria, as they allow contaminants from users' fingers to adhere to the handle surface, potentially spreading to other users.

Method used

A door handle design that incorporates a sanitary sheet with antiviral, virus removal, antibacterial, and disinfection functions, which covers the outer peripheral surface of the handle and is positioned between the handle body and the mounting member, preventing contaminants from adhering to the handle.

Benefits of technology

The door handle effectively prevents the spread of viruses and bacteria by reducing the number of contaminants on the handle surface and preventing them from being transferred to other users, thus enhancing hygiene compared to conventional designs.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

To provide a door handle that is more hygienic than the conventional one by preventing viruses or bacteria attached to the fingers of a user from adhering to a handle body part and preventing the viruses or the bacteria from propagating.SOLUTION: A door handle fixed to a door main body to operate a lock installed inside the door main body, has a handle main body portion, an attachment member, and an attachment hygiene sheet. The attachment hygiene sanitary sheet has at least one of an antivirus function, a virus-removing function, an antibacterial function, and a sterilizing function. The attachment member has a holding portion that holds the attachment hygiene sheet, and a fixing portion that is fixed to the handle main body portion. The attachment hygiene sheet covers an outer circumferential surface of the holding portio. The circumferential end is located between the holding portion and the handle main body portion. A part of the attachment hygiene sheet is exposed on the opposite side of the handle main body portion.SELECTED DRAWING: Figure 3
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Description

[Technical field]

[0001] The present invention relates to a door handle for operating a lock fixed to a door. [Background technology]

[0002] 2. Description of the Related Art There has been known a push-pull type door handle in which a latch of a latch lock is operated by pushing and pulling a handle main body to open and close a door (for example, Patent Document 1). For example, the door handle in Patent Document 1 can be unlocked by holding the handle body and pushing it, or by holding the handle body and pulling it, thereby inserting the latch bolt into the latch lock. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] JP 2012-154089 A Summary of the Invention [Problem to be solved by the invention]

[0004] Incidentally, as described above, a push-pull door handle is usually opened and closed by a user holding the handle body. Therefore, when the handle body is held with fingers that have viruses or bacteria (hereinafter, also referred to as viruses, etc.) on them, the viruses, etc. on the fingers may adhere to the surface of the handle body. When another user holds the handle body part with viruses, etc. on its surface, there is a problem that the viruses, etc. on the handle body part may adhere to the fingers of the other user.

[0005] Therefore, an object of the present invention is to provide a door handle that is more hygienic than conventional handles by preventing viruses or bacteria on the user's fingers from adhering to the handle main body and causing the proliferation of the viruses or bacteria. [Means for solving the problem]

[0006] In order to solve the above-mentioned problems, the invention described in claim 1 is a door handle that is fixed to a door body and operates a lock provided inside the door body, the door handle having a handle main body, an attachment member, and an attachment sanitary sheet, the attachment sanitary sheet having at least one of an anti-viral function, a virus removal function, an antibacterial function, and a germ removal function, the attachment member having a holding portion that holds the attachment sanitary sheet and a fixing portion that is fixed to the handle main body, the attachment sanitary sheet covers the outer peripheral surface of the holding portion, a circumferential end portion is located between the holding portion and the handle main body, and a portion of the attachment sanitary sheet is exposed on the opposite side to the handle main body.

[0007] The term "antiviral function" used herein refers to the function of reducing the number of a specific virus. The term "virus removal function" refers to the function of removing a specific virus, and also includes the virucidal function of killing a specific virus. "Antibacterial function" refers to the function of reducing the number of specific bacteria. The term "disinfection function" refers to a function for removing specific bacteria, and includes a sterilization function for killing specific bacteria.

[0008] According to the configuration of the present invention, since the sanitary attachment sheet covers the outer peripheral surface of the holding part, even if a user has viruses or the like on their fingertips, they can hold the handle main body by touching their fingertips to the exposed part of the sanitary attachment sheet, preventing the viruses or the like from adhering to the handle main body, and even if the viruses or the like are attached to the sanitary attachment sheet, the viruses or the like can be prevented from multiplying on the sanitary attachment sheet, which is therefore more hygienic than the conventional method. According to the configuration of the present invention, the circumferential end of the attachment sanitary sheet is located between the holding portion and the handle main body portion, so that the attachment sanitary sheet is unlikely to peel off due to being rolled up, etc., even if the user touches it with their fingertips.

[0009] The invention described in claim 2 is the door handle described in claim 1, characterized in that the circumferential end of the mounting sanitary sheet is clamped between the retaining portion and the handle main body portion.

[0010] According to the configuration of the present invention, the circumferential ends of the mounting sanitary sheet are clamped and fixed, so that the mounting sanitary sheet is less likely to peel off from the mounting member.

[0011] The invention described in claim 3 is the door handle described in claim 1 or 2, characterized in that the attachment member is detachable from the handle main body.

[0012] According to the configuration of the present invention, the mounting member can be removed from the handle main body at the appropriate time and the used mounting sanitary sheet can be replaced with a new one, or both the mounting member and the mounting sanitary sheet can be replaced with new ones, thereby maintaining a more hygienic state.

[0013] The invention described in claim 4 is a door handle described in any one of claims 1 to 3, characterized in that the fixing portion is fixed by a temporary fastening element, and the handle main body portion has a fastened portion that fastens with the temporary fastening element.

[0014] The term "temporary fastening element" as used herein refers to a fastening element that can be fastened and released. The term "fastening element" is a higher-level concept that includes combinations of screws, nails, rivets, bolts and nuts, etc. The same applies below.

[0015] According to the configuration of the present invention, a fastening portion is provided on the handle main body portion, and the fixing portion of the mounting member is fixed to the handle main body portion by a temporary fastening element, making it easy to replace the mounting sanitary sheet with a new one, or to replace both the mounting member and the mounting sanitary sheet with new ones.

[0016] The invention described in claim 5 is a door handle described in any one of claims 1 to 4, characterized in that it has a sanitary sheet for the main body, the sanitary sheet for the main body having at least one of anti-viral function, anti-viral function, antibacterial function, and antibacterial function, covers a part of the outer surface of the handle main body, and the holding part clamps a part of the sanitary sheet for the main body together with the handle main body.

[0017] According to the configuration of the present invention, the user can hold the part covered by the main body sanitary sheet and / or the part where the attachment sanitary sheet is exposed to the outside, thereby preventing viruses and the like on the user's hands from adhering to the handle main body, making it more hygienic and superior to conventional methods. According to the configuration of the present invention, an attachment member separate from the handle body is provided, and the sanitary sheet for the main body is fixed in a sandwiched state between the holding part of the attachment member and the handle body, so that the sanitary sheet for the main body can be firmly fixed to the handle body and stably held.

[0018] The invention described in claim 6 is a door handle described in any one of claims 1 to 5, characterized in that it is provided with an operational sanitary sheet having at least one of anti-viral function, virus removal function, antibacterial function, and germ removal function, the handle main body portion has a main body member and an operating member, the operating member operates the lock and has an attachment portion to which the main body member can be detachably fixed, the operational sanitary sheet covers at least a portion of the outer peripheral surface of the attachment portion and is sandwiched between the attachment portion and the main body member, and a portion of the operational sanitary sheet is exposed on the opposite side to the main body member.

[0019] According to the configuration of the present invention, since the outer peripheral surface of the attachment portion is covered with the operational sanitary sheet, it is easier to hold the sanitary sheet, which is hygienic and excellent.

[0020] The invention described in claim 7 is a door handle that is fixed to a door body and operates a lock provided inside the door body, comprising a handle main body, an attachment member, and a sanitary sheet for the main body, the sanitary sheet for the main body having at least one of an anti-viral function, a virus removal function, an antibacterial function, and a germ removal function, and covering at least a portion of the outer peripheral surface of the handle main body, and the attachment member has a holding portion that holds a portion of the sanitary sheet for the main body together with the handle main body, and a fixing portion that is fixed to the handle main body.

[0021] According to the configuration of the present invention, when the user holds the part of the handle main body that is covered with the hygienic sheet for the main body, viruses and other microorganisms adhering to the user's fingers are prevented from adhering to the handle main body and causing the proliferation of viruses or bacteria, making the present invention more hygienic than conventional methods. According to this aspect, an attachment member separate from the handle body is provided, and the sanitary sheet for the main body is fixed in a sandwiched state between the holding portion of the attachment member and the handle body, so that the sanitary sheet for the main body can be firmly fixed to the handle body and stably held. Effect of the Invention

[0022] The door handle of the present invention inhibits viruses or bacteria on the user's fingertips from adhering to the handle body and propagating thereon, making it more hygienic than conventional handles. [Brief description of the drawings]

[0023] [Figure 1] FIG. 1 is an exploded perspective view of a door structure according to a first embodiment of the present invention. [Diagram 2] FIG. 2 is an exploded perspective view of the handle unit of FIG. 1. [Diagram 3] 3 is an exploded perspective view of the handle unit of FIG. 2, seen from a different direction from that of FIG. 2. [Figure 4] 2 is a cross-sectional view of the handle unit taken along line AA in FIG. 1. [Diagram 5]2A and 2B are explanatory views of the handle unit in FIG. 1, in which (a) is a sectional view taken along line BB, and (b) is a sectional view taken along line CC. [Figure 6] 2 is a partially cutaway perspective view of a main part of the handle unit in FIG. 1 with a cap member removed. FIG. [Figure 7] FIG. 6 is a perspective view of a door handle according to a second embodiment of the present invention. [Figure 8] FIG. 8 is an exploded perspective view of the handle unit of FIG. 7. [Figure 9] 8 is an exploded perspective view of the handle unit of FIG. 7, seen from a different direction from that of FIG. 7. [Figure 10] FIG. 8 is a partially cutaway perspective view of the handle unit of FIG. 7. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0024] DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described in detail below. In the following description, unless otherwise specified, the vertical positional relationship will be described based on a normal installation position.

[0025] A door structure 1 of a first embodiment of the present invention is a door provided at a boundary portion of a room to separate the inside and outside of the room. As shown in FIG. 1, the door structure 1 includes a door body 2, a door handle 3, and a lock 5 as main components.

[0026] (Door body 2) As shown in FIG. 1, the door main body 2 is a plate-like body that is fixed in a vertical position to a door frame (not shown) and is capable of rotating only in one direction. The door body 2 is provided with a handle-side storage hole 10 capable of storing a part of the door handle 3, and a lock-side storage hole 11 capable of storing the lock 5. The handle-side storage hole 10 is a through-hole that penetrates the door body 2 in the thickness direction from one main surface to the other main surface, and extends in the vertical direction with a certain width. The lock side storage hole 11 is a hole having a depth from the small end face of the door body 2 toward the handle side storage hole 10, has a width in the thickness direction, and extends in the vertical direction.

[0027] (Door handle 3) The door handle 3 is a push-pull handle, and as shown in FIG. 1, is mainly composed of a pair of handle units 20 (20a, 20b). As shown in Figures 2 and 3, the handle unit 20 is composed of a handle main body 40, mounting members 41a, 41b, cap members 42a, 42b, sanitary sheets 43-46, first fastening members 47a, 47b, and second fastening members 48a-48d, and the sanitary sheets 43-46 are detachable.

[0028] The handle main body 40 is composed of a main body member 50 and an operating member 51, as shown in FIG. The main body member 50 is a handle portion that is mainly gripped by a user, and is a cylindrical portion that extends in the vertical direction. As shown in FIG. 3, the main body member 50 has openings 55a, 55b, first fastening holes 56a, 56b, and second fastening holes 57a to 57d (fastened portions). The openings 55a and 55b are openings provided at both ends of the main body member 50 in the extension direction. The first fastening holes 56a, 56b are axial holes that can engage with the axial portions of the first fastening members 47a, 47b, and are bottomed holes or through holes that have a depth from the outer circumferential surface of the main body member 50 toward the center. The second fastening holes 57a to 57d are axial holes that can be engaged with the axial portions of the second fastening members 48a to 48d, and are bottomed holes or through holes that have a depth from the outer circumferential surface of the main body member 50 toward the center.

[0029] As shown in FIG. 3, the operating member 51 includes a base portion 60, an attachment portion 61, legs 62a and 62b, and lock operating portions 63a and 63b.

[0030] The base portion 60 is a portion that is attached to the door main body 2, and has built-in interlocking mechanisms that interlock the legs 62a, 62b with the lock operating portions 63a, 63b. The attachment portion 61 is a portion to which the main body member 50 can be attached by first fastening members 47a, 47b. The attachment portion 61 is a plate-like portion extending in the vertical direction so as to connect the leg portions 62a, 62b, and is provided with through-holes 64a, 64b passing through in the thickness direction. The through holes 64a, 64b are insertion holes through which the shafts of the first fastening members 47a, 47b can be inserted.

[0031] The legs 62a and 62b are support parts that support the attachment part 61 with a step relative to the base part 60, as shown in FIG. The lock operating portions 63a and 63b are portions that press a part of the lock 5 to operate the lock 5, and are protruding pieces that protrude from the base portion 60 in the thickness direction. The lock operating portions 63a, 63b are linked to the legs 62a, 62b by an internal linkage mechanism of the base portion 60 and move relatively to the base portion 60, thereby enabling the lock 5 to be pressed.

[0032] As shown in FIG. 3, the mounting members 41a and 41b each have a holding portion 65 and fixing portions 66a and 66b. The holding portion 65 is a portion that, together with the handle main body 40 , clamps and holds a portion of the main body sanitary sheet 43 and a portion of the attachment sanitary sheets 44 , 45 . The fixing portions 66a, 66b are portions that are fixed to the handle body 40 via the second fastening members 48a, 48b (48c, 48d). The fixing portions 66a, 66b are provided with through holes 67a, 67b penetrating in the thickness direction. The through holes 67a, 67b are insertion holes through which the shafts of the second fastening members 48a, 48b (48c, 48d) can be inserted.

[0033] As shown in FIG. 2, the fixing portions 66a and 66b have recesses 68 formed on the outer side (the door main body 2 side). The recess 68 is provided so as to avoid the protruding parts 71 of the cap members 42a and 42b, which will be described later, and is a depression capable of accommodating the protruding parts 71. The mounting members 41a and 41b have a step between the holding portion 65 and the fixing portions 66a and 66b, and the holding portion 65 is thinner than the fixing portions 66a and 66b.

[0034] As shown in FIG. 3, the cap members 42a and 42b each include a cap body 70 and a protruding portion 71. As shown in FIG. The cap body 70 is a portion that closes the openings 55a, 55b of the body member 50, and is provided with a plurality of engagement pieces 72. The engagement piece 72 is a small piece that stands up from the cap body 70, and is a portion that can be inserted into the inside of the body member 50 through the openings 55a, 55b and engage with the inner wall of the body member 50. The protruding portion 71 is a protruding piece that rises from the peripheral edge of the cap body 70 and is provided with a through hole 73 . The through hole 73 is an insertion hole that penetrates the protruding portion 71 in the thickness direction and through which the shaft portion of the second fastening member 48a (48d) can be inserted.

[0035] The sanitary sheets 43-46 are sheets having at least one of an antiviral function, a virus removal function, an antibacterial function, and a germ removal function. The sanitary sheets 43-46 of this embodiment are antiviral sheets having an antiviral function. That is, the sanitary sheets 43-46 are capable of reducing the number of specific viruses adhering to the surface. As shown in FIGS. 2 and 3, the sanitary sheet for the main body 43 covers the outer peripheral surface of the main body member 50 of the handle main body 40 to prevent the user from directly touching the main body member 50. The attachment sanitary sheets 44, 45 cover the outer peripheral surfaces of the holding portions 65, 65 of the attachment members 41a, 41b, and prevent the user from directly touching the holding portions 65, 65. The operational sanitary sheet 46 covers the outer peripheral surface of the attachment portion 61 of the operating member 51 to prevent the user from directly touching the attachment portion 61 .

[0036] The first fastening members 47a, 47b are fastening elements that fasten to the first fastening holes 56a, 56b of the main body member 50 to fix the operating member 51 to the main body member 50. The first fastening members 47a, 47b are temporary fastening elements that can be fastened to and released from the first fastening holes 56a, 56b, and are specifically screws having a head and a shaft.

[0037] The second fastening members 48a to 48d are fastening elements that fasten to the second fastening holes 57a to 57d of the main body member 50 to fix the attachment members 41a and 41b to the main body member 50. The second fastening members 48a to 48d are temporary fastening elements that can be fastened to and released from the second fastening holes 57a to 57d, and specifically, are screws having a head and a shaft.

[0038] (5 locks) 1, the lock 5 is a latch lock, and a latch bolt 91 projects from and retracts in the front-rear direction from a lock case 90. That is, the lock 5 can be changed between a protruding state in which it moves forward and projects from the lock case 90, and a retracted state in which it moves rearward and retracts into the lock case 90. The lock 5 is provided with a conversion mechanism that engages with the lock operating parts 63a, 63b inside the lock case 90 and converts the force received from the lock operating parts 63a, 63b into power in the forward and backward directions of the latch bolt 91. In other words, the lock 5 is changed between the protruding state and the retracted state by the movement of the lock operating parts 63a, 63b.

[0039] Next, the positional relationship between the members of the door structure 1 of this embodiment will be described.

[0040] As can be seen from Figure 1, in the door structure 1, the lock 5 is inserted and stored in the lock side storage hole 11 of the door body 2, and the lock operating parts 63a, 63b of the door handle 3 are inserted through the handle side storage hole 10 and engage with the conversion mechanism of the lock 5.

[0041] The main body sanitary sheet 43 covers most of the outer circumferential surface of the main body member 50 of the handle main body portion 40 . In this case, "substantial portion" means more than 50 percent of the total. The main body sanitary sheet 43 preferably covers 80 percent or more of the outer circumferential surface of the main body member 50, and more preferably covers 90 percent or more. The sanitary sheet for main body 43 of this embodiment covers the entire outer circumferential surface of the main body member 50 as shown in FIG. The sanitary sheet for the main body 43 has end portions overlapping in the thickness direction in the circumferential direction of the main body member 50 . As shown in Figures 4 and 5(b), the overlapping portion of the main body sanitary sheet 43 is positioned in the circumferential direction of the main body member 50, with the end side in the extension direction of the main body member 50 being located between the outer surfaces (the surfaces facing the main body member 50) of the mounting members 41a, 41b and the inner surface (the surface facing the door body 2) of the main body member 50, and is sandwiched between the outer surfaces of the mounting members 41a, 41b and the inner surface of the main body member 50. The overlapping portion of the main body sanitary sheet 43 is sandwiched at its intermediate portion in the extending direction of the main body member 50 by the attachment portion 61 of the operating member 51 as shown in Figs. The term "middle portion" used herein refers to a portion other than both ends in a predetermined direction, but between both ends. The same applies hereinafter. As shown in Figures 4 and 6, the ends of the sanitary sheet for the main body 43 are rolled up into the openings 55a, 55b in the extension direction of the main body member 50, and the vicinity of the ends is clamped between the end faces of the main body member 50 and the cap members 42a, 42b. Most of the main body sanitary sheet 43 is exposed to the outside and can be touched by the user.

[0042] As shown in Figures 4 and 5(b), the mounting sanitary sheets 44, 45 cover most of the inner surface (the surface opposite the main body member 50) of the holding portion 65 of the mounting members 41a, 41b, and the ends are folded back toward the outer surface (the surface facing the main body member 50). The mounting sanitary sheets 44, 45 preferably cover 80 percent or more of the outer peripheral surface of the retaining portion 65, and more preferably cover 90 percent or more of the outer peripheral surface of the retaining portion 65. The mounting sanitary sheets 44, 45 of this embodiment cover the entire outer circumferential surfaces of the holding portions 65 of the mounting members 41a, 41b. As shown in Figure 5(b), the mounting sanitary sheets 44, 45 have their ends overlapping in the thickness direction in the circumferential direction of the mounting members 41a, 41b, and the overlapping portions are located on the outer surface (the surface facing the main body member 50) of the retaining portion 65. The overlapping portions of the mounting sanitary sheets 44, 45 are located between the outer surfaces of the mounting members 41a, 41b and the outer peripheral surface of the main body member 50, and are sandwiched between the outer surfaces of the mounting members 41a, 41b and the outer peripheral surface of the main body member 50. Most of the attachment sanitary sheets 44, 45 are exposed to the outside and can be touched by the user.

[0043] As shown in Figure 5(a), the operating sanitary sheet 46 covers most of the inner surface (the surface facing the door body 2) of the mounting portion 61 of the operating member 51, and the end portion is folded back toward the outer surface (the surface facing the main body member 50). The operational sanitary sheet 46 preferably covers 80 percent or more of the outer peripheral surface of the attachment portion 61, and more preferably covers 90 percent or more of the outer peripheral surface of the attachment portion 61. The operational sanitary sheet 46 of this embodiment covers the entire area between the leg portions 62a, 62b in the extension direction of the attachment portion 61. The operational sanitary sheet 46 has its ends overlapping in the thickness direction in the circumferential direction of the attachment portion 61, and the overlapping portions are located on the outer surface side of the attachment portion 61 (the main body member 50 side). The overlapping portion of the operational sanitary sheet 46 is located between the outer surface of the mounting portion 61 and the outer peripheral surface of the main body member 50 , and is sandwiched between the outer surface of the mounting portion 61 and the outer peripheral surface of the main body member 50 . Most of the operational sanitary sheet 46 is exposed to the outside and can be touched by the user.

[0044] As described above, the cap members 42a and 42b are attached to the main body member 50 so as to close the openings 55a and 55b. The protruding portions 71, 71 of the cap members 42a, 42b are inserted into the recesses 68 of the mounting members 41a, 41b. The first fastening members 47a and 47b fix the main body member 50 to the attachment portion 61 of the operation member 51. Specifically, as shown in FIG. 4, the shaft portion of the first fastening members 47a, 47b passes through the through holes 64a, 64b of the mounting portion 61 from the inside, and then passes through the operational sanitary sheet 46 to fasten with the first fastening holes 56a, 56b of the main body member 50. The second fastening members 48a to 48d fasten the mounting members 41a and 41b to the main body member 50. Specifically, as shown in FIG. 4, the shaft portions of the second fastening members 48a-48d pass through the through holes 67a, 67b, 67a, 67b of the fixing portions 66a, 66b from the inside, and then pass through the main body sanitary sheet 43 to fasten with the second fastening holes 57a-57d of the main body member 50.

[0045] According to the door handle 3 of this embodiment, the mounting sanitary sheets 44, 45 cover the outer peripheral surface of the holding portion 65, so that when the mounting members 41a, 41b of the handle main body 40 are attached and the user holds the exposed part of the mounting sanitary sheets 44, 45, viruses and the like from the user's fingertips can be prevented from adhering to the handle main body 40, making it more hygienic than conventional methods.

[0046] According to the door handle 3 of this embodiment, the circumferential ends of the mounting sanitary sheets 44, 45 are positioned between the holding portion 65 and the main body member 50 of the handle main body portion 40, so that the mounting sanitary sheets 44, 45 are unlikely to peel off due to being rolled up, etc., even if touched by a user.

[0047] According to the door handle 3 of this embodiment, the periphery of the main body member 50 is covered with the sanitary sheet for main body 43, and by holding the exposed portion of the sanitary sheet for main body 43, it is possible to operate the handle without attaching viruses, etc. to the main body member 50. Therefore, it is more hygienic than the conventional one. According to the door handle 3 of this embodiment, the main body sanitary sheet 43 is fixed in a sandwiched state between the holding parts 65 of the mounting members 41a, 41b and the main body member 50 by the mounting members 41a, 41b which are separate from the main body member 50. Therefore, the main body sanitary sheet 43 can be stably held.

[0048] According to the door handle 3 of the present embodiment, the attachment members 41a, 41b are detachably fixed to the main body member 50, so that, for example, the main body sanitary sheet 43 can be replaced by removing the attachment members 41a, 41b from the main body member 50. Therefore, by replacing the main body sanitary sheet 43 at an appropriate time, it is possible to maintain a more hygienic state.

[0049] According to the door handle 3 of this embodiment, the shaft portions of the first fastening members 47a, 47b pass through the sanitary sheet for the main body 43 and engage with the first fastening holes 56a, 56b, so that the sanitary sheet for the main body 43 is less likely to slip due to the shaft portions of the first fastening members 47a, 47b, and the sanitary sheet for the main body 43 can be fixed more stably.

[0050] According to the door handle 3 of this embodiment, the mounting portion 61 of the operating member 51 is covered with the operating sanitary sheet 46, and the mounting portion 61 is protected by the operating sanitary sheet 46. Therefore, it is possible to prevent viruses and the like from adhering to the mounting portion 61 of the operating member 51.

[0051] According to the door handle 3 of this embodiment, as described above, the sanitary sheets 43-46 are provided in locations that the user's hands would normally come into contact with when operating the handle, and each of the sanitary sheets 43-46 is non-destructive and replaceable, making it possible to use the handle in a more hygienic manner.

[0052] Next, a door structure 100 according to a second embodiment of the present invention will be described. Note that the same components as those in the door structure 1 according to the first embodiment will be denoted by the same reference numerals and the description thereof will be omitted.

[0053] The door structure 100 of the second embodiment of the present invention is a door that is provided at the boundary portion of a room and separates the inside and outside of the room, similar to the door structure 1 of the first embodiment.

[0054] As shown in FIG. 7, the door structure 100 includes a door body 2, a door handle 103, and a lock 5 as main components.

[0055] (Door handle 103) As shown in FIG. 7, the door handle 103 is composed of a pair of handle units 120 (120a, 120b). As shown in FIG. 8, the handle unit 120 is composed of, as main components, a handle main body 140, an attachment member 141, an attachment sanitary sheet 142, and fastening members 143a and 143b.

[0056] The handle main body 140 is composed of a main body member 150 and an operating member 151 . As shown in FIG. 9, the main body member 150 is made up of a connection portion 160, a handle portion 161, and legs 162a and 162b. The connection portion 160 is a portion that is connected to the operating member 151 . The handle portion 161 is a portion that is mainly gripped by a user, and is a plate-like portion that has a width and extends in the vertical direction. The handle portion 161 has fastening holes 165a and 165b on its inner surface. The fastening holes 165a, 165b are axial holes that can be engaged with the axial portions of the fastening members 143a, 143b, and are bottomed holes or through holes that have a depth from the outer circumferential surface of the main body member 150 toward the center. The legs 162a and 162b are support parts that support the handle part 161 with a step relative to the connection part 160.

[0057] The operating member 151 is a member for operating the lock 5, and includes a base portion 170 and lock operating portions 171a and 171b. The base portion 170 is a portion that is attached to the door main body 2, and has built-in therein an interlocking mechanism that interlocks the operation of the handle portion 161 with the lock operation portions 171a and 171b. The lock operating portions 171a and 171b are portions that press a part of the lock 5 to operate the lock 5, and are protruding pieces that protrude from the base portion 170 in the thickness direction. The lock operating portions 171a and 171b are movable relative to the base portion 170 in conjunction with the main body member 150 by an internal interlocking mechanism of the base portion 170, and are capable of pressing and operating the lock 5.

[0058] The mounting member 141 has a holding portion 65 and fixing portions 66a and 66b. The attachment sanitary sheet 142 covers the outer peripheral surface of the main body member 150 and prevents the user from directly contacting the main body member 150 . The mounting sanitary sheet 142, like the mounting sanitary sheets 44 and 45 of the first embodiment, is a sheet having at least one of an antiviral function, a virus removal function, an antibacterial function, and a bacteria removal function.

[0059] The fastening members 143a and 143b are fastening elements that fasten to fastening holes 165a and 165b of the main body member 150 to fix the attachment member 141 to the handle portion 161. The fastening members 143a, 143b are temporary fastening elements that can be fastened to and released from the fastening holes 165a, 165b, and specifically, are screws having a head and a shaft.

[0060] Next, the positional relationship between the components of the door structure 100 of this embodiment will be described.

[0061] The door handle 103 has lock operating parts 171a and 171b inserted from the handle side storage hole 10 and engaged with the conversion mechanism of the lock 5. The mounting member 141 has a holding portion 65 that is provided over most of the extension direction of the handle portion 161, and it is preferable that the holding portion 65 is provided over a range of 80 percent or more of the extension direction of the handle portion 161, and it is even more preferable that the holding portion 65 is provided over a range of 90 percent or more.

[0062] The mounting sanitary sheet 142 covers most of the outer circumferential surface of the main body member 150 . Preferably, mounting sanitary sheet 142 covers 80 percent or more of the outer periphery of body member 150, and more preferably covers 90 percent or more. As shown in FIG. 10, the attachment sanitary sheet 142 has its ends overlapped in the thickness direction in the circumferential direction of the main body member 150. The overlapping portion of the attachment sanitary sheet 142 is sandwiched between the outer surface (the surface facing the main body member 150) of the attachment member 141 and the outer peripheral surface of the handle portion 161 of the main body member 150 at the end in the extension direction of the main body member 150.

[0063] According to the door handle 103 of the second embodiment, most of the inside of the main body member 150 in the extending direction is covered with the attachment sanitary sheet 142. In other words, since the attachment sanitary sheet 142 is provided in the area where the fingers come into contact during normal use, it is more hygienic than the conventional one.

[0064] According to the door handle 103 of the second embodiment, only the areas that are in contact with the user's fingers during normal use are protected by the sanitary attachment sheet 142, so that it can be manufactured at low cost.

[0065] According to the door handle 103 of the second embodiment, the holding portion 65 is provided over most of the extension direction of the handle portion 161, so that the range in which the sanitary attachment sheet 142 is clamped is wide, and the sanitary attachment sheet 142 is less likely to be turned over.

[0066] In the first embodiment described above, one sanitary sheet for the main body 43 is attached by two attachment members 41a, 41b, but the present invention is not limited to this. As in the second embodiment, the sanitary sheet for the main body 43 may be attached by one attachment member, or the sanitary sheet for the main body 43 may be attached by three or more attachment members.

[0067] In the first embodiment described above, the main body member 50 and the sanitary sheet for main body 43 are non-destructively separable, but the present invention is not limited to this. The main body member 50 and the sanitary sheet for main body 43 may be bonded by an adhesive or other bonding means to be inseparably integrated.

[0068] In the first embodiment described above, the attachment portion 61 of the operating member 51 and the operational sanitary sheet 46 are non-destructively separable, but the present invention is not limited to this. The attachment portion 61 of the operating member 51 and the operational sanitary sheet 46 may be bonded by an adhesive or other bonding means to be inseparably integrated.

[0069] In the above-described embodiment, the mounting members 41a, 41b, 141 and the mounting sanitary sheets 44, 45, 142 are non-destructively separable, but the present invention is not limited to this. The mounting members 41a, 41b, 141 and the mounting sanitary sheets 44, 45, 142 may be bonded to each other by an adhesive or other bonding means, and may be inseparably integrated.

[0070] In the above embodiment, the shafts of the first fastening members 47a, 47b are inserted into the sanitary sheet for main body 43 by piercing it, and engage with the first fastening holes 56a, 56b, but the present invention is not limited to this. Through holes may be provided in the sanitary sheet for main body 43 in advance, and the shafts of the first fastening members 47a, 47b may be inserted into the through holes and engage with the first fastening holes 56a, 56b.

[0071] In the above-described embodiment, the mounting members 41a, 41b, 141 are attached to the main body member 50, 150 by the second fastening members 48a to 48d, 143a, 143b, but the present invention is not limited to this. The mounting members 41a, 41b, 141 and the main body member 50, 150 may be directly fixed to each other by engaging with each other. For example, one of the mounting members 41a, 41b, 141 and the main body member 50, 150 may be provided with a convex portion, and the other may be provided with a concave portion. Then, the mounting members 41a, 41b, 141 may be fixed to the main body member 50, 150 by fitting the convex portion of one member into the concave portion of the other member.

[0072] In the above embodiment, the mounting members 41a, 41b, 141 are removed from the main body members 50, 150, and only the used mounting sanitary sheets 44, 45, 142 are replaced with new ones, but the present invention is not limited to this. The mounting members 41a, 41b, 141 may be removed from the main body members 50, 150, and both the mounting members 41a, 41b, 141 and the mounting sanitary sheets 44, 45, 142 may be replaced with new ones.

[0073] In the above embodiment, the hygiene sheets 43 to 46 are antiviral sheets having an antiviral function, but the present invention is not limited to this. The hygiene sheets 43 to 46 may be antiviral sheets having an antiviral function, antiviral sheets having a virus removal function, disinfecting sheets having a germ removal function, or antibacterial sheets having an antibacterial function.

[0074] In the above-described embodiments, each component may be freely substituted or added between the respective embodiments as long as it falls within the technical scope of the present invention. [Explanation of symbols]

[0075] 1,100 Door structure 2 Door body 3,103 Door handles 5 tablets 40,140 Handle body 41a, 41b, 141 Mounting member 43 Hygienic sheet for the body 44, 45, 142 Hygienic sheet for installation 46 Hygienic sheet for operation 48a to 48d Second fastening member (temporary fastening element) 50 Main body material 51 Operating member 57a~57d 2nd fastening hole (fastened part) 61 Mounting part 65 Holding part 66a,66b Fixed part 143a, 143b Fastening members 165a, 165b Fastening hole (fastened part)

Claims

1. A door handle that is fixed to a door body and operates a lock provided inside the door body, The handle body includes a mounting member and a sanitary sheet for mounting. The sanitary sheet for attachment has at least one of an antiviral function, a virus removal function, an antibacterial function, and a germ removal function, The attachment member has a holding portion that holds the attachment sanitary sheet and a fixing portion that is fixed to the handle body portion, The attachment sanitary sheet covers an outer peripheral surface of the holding portion, and a circumferential end portion is located between the holding portion and the handle body portion, A door handle, characterized in that a portion of the attachment sanitary sheet is exposed on the side opposite the handle body.

2. 2. The door handle according to claim 1, wherein the circumferential end of the attachment sanitary sheet is sandwiched between the holding portion and the handle body.

3. 3. The door handle according to claim 1, wherein the attachment member is detachable from the handle body.

4. The fixing portion is fixed by a temporary fastening element, 4. The door handle according to claim 1, wherein the handle body includes a fastening portion that fastens with the temporary fastening element.

5. A sanitary sheet for the main body is provided. The sanitary sheet for the main body has at least one of an antiviral function, a virus removal function, an antibacterial function, and a bacteria removal function, and covers a part of the outer circumferential surface of the handle main body, 5. The door handle according to claim 1, wherein the holding portion holds a part of the main body sanitary sheet together with the handle main body.

6. The device is provided with an operational sanitary sheet having at least one of an antiviral function, a virus removal function, an antibacterial function, and a germ removal function, The handle body portion has a main body member and an operating member, the operating member is for operating the lock and has an attachment portion to which the main body member can be detachably fixed, the operational sanitary sheet covers at least a portion of an outer circumferential surface of the attachment portion and is sandwiched between the attachment portion and the main body member, 6. The door handle according to claim 1, wherein a portion of the operational sanitary sheet is exposed on a side opposite to the main body member.

7. A door handle that is fixed to a door body and operates a lock provided inside the door body, The device has a handle body, an attachment member, and a sanitary sheet for the handle body, The sanitary sheet for the main body has at least one of an antiviral function, a virus removal function, an antibacterial function, and a bacteria removal function, and covers at least a part of the outer circumferential surface of the handle main body, The door handle according to the present invention, characterized in that the attachment member includes a holding portion that holds a portion of the sanitary sheet for a main body together with the handle main body, and a fixing portion that is fixed to the handle main body.

Citation Information

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