CN213330406U

CN213330406U - Door handle disinfecting equipment

Info

Publication number: CN213330406U
Application number: CN202021718093.9U
Authority: CN
Inventors: 马跃; 陈润玺; 王汉涛; 车文彬
Original assignee: BEIJING ZICHENXUAN PHARMACEUTI
Current assignee: Beijing Angran Technology Development Co ltd
Priority date: 2020-08-17
Filing date: 2020-08-17
Publication date: 2021-06-01
Anticipated expiration: 2030-08-17

Abstract

The utility model provides a door handle disinfection device, which comprises a shell and at least one handle extending from the shell, wherein a first side plate of the shell, from which the handle extends, is provided with a channel; the door handle disinfection equipment also comprises a handle turning device, a handle rotation driving device and a disinfection device which are arranged in the shell; the handle turning device is used for turning the handle into the shell through a channel before the handle needs to be disinfected and turning the handle out of the shell through the channel after disinfection is finished; the handle rotation driving device is used for driving the handle to rotate; the disinfection device is used for disinfecting the handle. The utility model discloses door handle disinfecting equipment can accomplish the disinfection operation to the handle automatically, reduces cross infection's risk.

Description

Door handle disinfecting equipment

Technical Field

The utility model relates to the field of sanitary equipment, especially, relate to a door handle disinfecting equipment.

Background

In public places such as hospitals, restaurants, shopping malls, supermarkets, office buildings, public toilets and the like, people have to arrange access doors, handles are used as door opening and closing parts, people frequently contact with the handles (also called as handles, handles and the like) in various scenes every day, and the handles are possibly infected with a large amount of pathogens such as bacteria, viruses and the like, so that cross infection is caused.

Particularly, in the infectious disease department or the infectious disease hospital of the hospital, no matter medical staff, patients or family members of the patients, the door handle can be contacted with the door handle, and the door handle is a 'serious disaster area' in a plurality of infection ways, thereby forming a potential infection source. At present, a washing-free hand sanitizer or disposable paper towels are arranged at the doorway of a particular hospital, and not all people who go in and out can go in and out to wash hands or use the disposable paper towels every time, so that the risk of cross infection still exists. Even if special sanitary personnel are configured for scrubbing and disinfection, the effect is poor, timely disinfection after each use is not achieved, the interval time is long, and time and labor are wasted. At present, no related product can solve the problems.

SUMMERY OF THE UTILITY MODEL

In view of the above, embodiments of the present invention provide a door handle sterilizing apparatus to obviate or mitigate one or more of the disadvantages of the related art.

The technical scheme of the utility model as follows:

a door handle disinfection device comprises a shell and at least one handle extending out of the shell, wherein a first side plate of the shell, from which the handle extends, is provided with a channel; the door handle disinfection equipment also comprises a handle turning device, a handle rotation driving device and a disinfection device which are arranged in the shell; the handle turning device is used for turning the handle into the shell through a channel before the handle needs to be disinfected and turning the handle out of the shell through the channel after disinfection is finished; the handle rotation driving device is used for driving the handle to rotate; the disinfection device is used for disinfecting the handle.

In some embodiments, the handle turning device comprises: the supporting seat is fixed in the shell, and an inward concave part is arranged at the upper part of the supporting seat; the turning shaft is sleeved on one side of the handle in the shell, and one end of the turning shaft is installed on the concave part of the supporting seat; and the handle overturning driving mechanism is used for driving the overturning shaft to rotate on the supporting seat so as to drive the handle to overturn.

In some embodiments, the handle comprises: the rotating handle is hollow inside; the sleeve shaft and the handle inner shaft penetrate through the rotating handle, and one end of the handle inner shaft is fixedly connected with the rotating handle so as to keep synchronous rotation.

In some embodiments, the handle overturning driving mechanism comprises a first motor, a driving gear and a driven gear, the driven gear is coaxially assembled with the overturning shaft, an arc-shaped groove is formed in one side, facing the overturning shaft, of the driven gear, a pin hole is formed in the position, corresponding to the arc-shaped groove, of the overturning shaft, and the arc-shaped groove is connected with the pin hole through a pin.

In some embodiments, the arc length of the arc-shaped groove of the driven gear is larger than the diameter of the pin hole of the turning shaft, wherein two ends of the arc-shaped groove are respectively used for driving the turning shaft to turn to a disinfection position or an initial position under the state that the driven gear rotates.

In some embodiments, an unlocking mechanism is further arranged in the shell of the door handle sterilizing equipment, and comprises a lock cylinder bracket, a shifting fork disc and a lock tongue shaft, wherein the lock cylinder bracket is used for installing the turnover shaft and the lock tongue shaft; a first shifting fork is arranged on the shifting fork disc, and the shifting fork disc is fixedly connected with the turnover shaft to keep synchronous rotation; and the lock bolt shaft is provided with a second shifting fork and a lock bolt, and the lock bolt retracts under the condition that the second shifting fork is shifted by the first shifting fork so as to complete unlocking.

In some embodiments, the turning shaft comprises a first shaft section and a second shaft section, wherein the first shaft section is installed in a bearing chamber of the support seat, a stepped hole perpendicular to the second shaft section is further formed in the middle of the first shaft section, and the stepped hole is used for installing the handle; the second shaft section is used for being connected with a shifting fork disc of the unlocking mechanism.

In some embodiments, a limit groove is formed on the circumferential side of the bearing chamber of the support seat, and the support seat is further provided with a vertical through hole at the bottom of the bearing chamber.

In some embodiments, the inner handle shaft of the handle is fitted at the stepped hole of the first shaft section of the turning shaft, and the inner handle shaft has a platform end portion extending out of the turning shaft, and the platform end portion has two parallel planes to be clamped into the limit groove of the support seat.

In some embodiments, the handle rotation driving means includes a second motor, a driving bevel gear, a driven bevel gear, and a handle rotation driving shaft; the extension shaft of the second motor is connected with the driving bevel gear, the driven bevel gear is installed on the handle rotating driving shaft, and the driven bevel gear and the driving bevel gear are assembled; the handle rotating driving shaft is also arranged at the position of the through hole of the supporting seat in a penetrating mode, one end, far away from the driven bevel gear, of the handle rotating driving shaft is a groove end portion, and the groove end portion is used for being in butt joint with a platform end portion of the inner shaft of the handle.

The utility model discloses door handle disinfecting equipment can accomplish the disinfection operation to the handle automatically, reduces cross infection's risk.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. The components in the figures are not necessarily to scale, emphasis instead being placed upon illustrating the principles of the invention. For convenience in illustrating and describing some portions of the present invention, corresponding parts of the drawings may be exaggerated, i.e., may be larger, relative to other components in an exemplary device actually manufactured according to the present invention. In the drawings:

fig. 1 is a schematic perspective view of a door handle disinfection apparatus and a door leaf thereof according to an embodiment of the present invention.

Fig. 2 is a schematic plan view of a door handle disinfection apparatus and a door leaf thereof according to an embodiment of the present invention.

Fig. 3 is a schematic perspective view of a door handle sterilizing apparatus according to an embodiment of the present invention.

Fig. 4 is a schematic perspective view of the door handle disinfecting apparatus according to an embodiment of the present invention after the first side plate is hidden.

Fig. 5 is the utility model relates to an embodiment of handle tilting mechanism, unlocking mechanism and handle rotation driving device's spatial structure sketch map.

Fig. 6 is the utility model relates to an embodiment handle upset actuating mechanism's trip shaft's spatial structure schematic diagram.

Fig. 7 is the utility model relates to an embodiment handle upset actuating mechanism's driven gear's spatial structure sketch map.

Fig. 8 is the utility model relates to an embodiment handle upset actuating mechanism's trip shaft and driven gear move the structural schematic diagram of hookup, wherein, trip shaft and pinhole adopt perspective drawing method to show the dynamic fit relation of pinhole and arc wall, the dotted line represents invisible line.

Fig. 9 is the utility model discloses an embodiment handle upset actuating mechanism and delatch mechanism's schematic plan view.

Fig. 10 is a schematic sectional view B-B of fig. 9, i.e. a sectional view in the axial direction of the flip axis.

Fig. 11 is a schematic sectional view a-a of fig. 9, i.e., a sectional view along the axial direction of the handle.

Fig. 12 is a schematic perspective view of a supporting base according to an embodiment of the present invention.

Fig. 13 is the utility model relates to an in the embodiment dynamic fit sketch map of axle in supporting seat, the rotatory drive shaft of handle and the handle. Wherein, the supporting seat and the handle rotating driving shaft adopt a perspective drawing method to show the dynamic matching relationship of the pin hole and the arc-shaped groove.

Fig. 14 is a perspective view of a disinfection device, a bracket and a handle door according to an embodiment of the present invention.

Fig. 15 is a schematic perspective view of a bracket according to a first embodiment of the present invention.

Fig. 16 is a schematic perspective view of a positioning pin according to a first embodiment of the present invention, in which a dotted line indicates an invisible line.

Fig. 17 is the utility model provides a planar structure schematic diagram of the link gear of handle door and bracket of one, wherein, handle door, hanger block and bracket adopt perspective drawing method to show its assembled relation, the dotted line represents invisible line.

Fig. 18 is a schematic sectional view of a door handle sterilizing apparatus according to a first embodiment of the present invention.

Fig. 19 is a schematic perspective view of a positioning guide block according to a first embodiment of the present invention.

Fig. 20 is a schematic perspective view of a sterilized wet tissue box according to a first embodiment of the present invention.

Fig. 21 is a schematic perspective view of the assembly of the positioning guide block and the wet tissue box according to the first embodiment of the present invention.

Fig. 22 is a schematic sectional view from the top view of a sterilized wet tissue box according to a first embodiment of the present invention.

Fig. 23 is a schematic perspective view of the assembly of the wet tissue sterilizing box and the wet tissue sterilizing driving mechanism according to the first embodiment of the present invention.

Fig. 24 is the utility model provides a section view schematic diagram of overlooking visual angle of disinfection wet handkerchief box and handle to handle and disinfection wet handkerchief box are at the corresponding relation of projection direction before the show disinfection.

Fig. 25 is the utility model provides a section view schematic diagram of overlooking visual angle of disinfection wet handkerchief box and handle to show the handle in disinfection position and the corresponding relation of disinfection wet handkerchief box in projection direction.

Fig. 26 is a schematic perspective view of a door handle sterilizing apparatus according to a second embodiment of the present invention.

Fig. 27 is a schematic structural view of the door handle sterilizing apparatus according to the second embodiment of the present invention after the first side plate of the housing is hidden.

Fig. 27 is a schematic structural view of a door handle sterilizing apparatus according to a second embodiment of the present invention before the cartridge is moved, and fig. 28 is a schematic structural view of the cartridge after the cartridge is moved.

Fig. 29 is a schematic structural view of a wet tissue box movement driving mechanism above a box body of a door handle sterilizing apparatus according to a second embodiment of the present invention.

Fig. 30 is a schematic structural view of a rail slider mechanism of a door handle sterilizing apparatus according to a second embodiment of the present invention.

Fig. 31 is a schematic structural view of a movable sterilized wet tissue box according to the second embodiment of the present invention.

Fig. 32 is a schematic structural view of a sterilized wet tissue box according to the second embodiment of the present invention.

Fig. 33 is a schematic partial sectional view of a second embodiment of the present invention relating to a mechanism for driving a wet wipe for sterilization.

Fig. 34 is a schematic structural view of a door handle sterilizing apparatus according to a second embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the following embodiments and accompanying drawings. The exemplary embodiments and descriptions of the present invention are provided to explain the present invention, but not to limit the present invention.

It should also be noted that, in order to avoid obscuring the invention with unnecessary details, only the structures and/or process steps that are closely related to the solution according to the invention are shown in the drawings, while other details that are not relevant to the invention are omitted.

It is also noted herein that the term "coupled," if not specifically stated, may refer herein to not only a direct connection, but also an indirect connection in which an intermediate is present. Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings. In the drawings, the same reference numerals denote the same or similar parts, or the same or similar steps.

The utility model provides a door handle disinfecting equipment, as shown in figure 1, this door handle disinfecting equipment includes casing 2 and at least one handle 1 that stretches out in following casing 2.

The door handle sterilizing equipment can be used for various doors with opening and closing devices, such as various door handles, and also can have a fastening or locking function, such as various handle locks, and a movable door leaf can be firmly locked on a fixed frame through the matching of a handle and other accessories so as to achieve the purpose of fixing a position. Furthermore, the utility model discloses door handle disinfecting equipment of embodiment not only is applicable to on the door leaf, also can be applicable to structures such as casement, furniture. The door handle disinfection equipment can be combined with a door lock, and can adopt a bent handle, a spherical handle and the like. The utility model discloses various handles in the door handle disinfecting equipment can adopt the technique, according to the utility model discloses a disinfect from disinfection mechanism and theory of operation, avoid cross infection.

The utility model discloses door handle disinfecting equipment is according to the user demand, as shown in fig. 1 and 2, can have handle 1 in the unilateral of door leaf 9 or two sides, has under the condition of handle in two sides, and the disinfection process of two handles independently goes on separately, mutual noninterference.

In some embodiments, as shown in fig. 3, the first side plate 21 of the housing 2, from which the handle 1 protrudes, has a passage 211 for the handle 1 to roll in and out. This handle 1 is for stretching out the state of casing 2 under the normal state of opening the door, need enter into casing 2 under the disinfection state and accomplish the disinfection.

The door handle sterilizing apparatus further includes a handle turning device and a sterilizing device provided in the case 2. The utility model discloses 2 mainly used encapsulate inside handle turning device, degassing unit of casing, also can encapsulate the lock core that is used for the locking etc..

The utility model discloses handle turning device is used for overturning handle 1 to the inside of casing 2 through passageway 211 before handle 1 needs the disinfection, overturns handle 1 outside casing 2 through passageway 211 after the disinfection is accomplished to the action of opening the door next time.

In some embodiments, as shown in fig. 4 and 5, the handle turning device may include a support base 44, a turning shaft 45, a handle turning driving mechanism, and the like. Wherein, the support seat 44 is fixed in the housing, and the upper portion of the support seat 44 has a recess 441 which is recessed inwards as a cavity. The handle overturning driving mechanism is used for driving the overturning shaft 45 to rotate on the supporting seat 44, so that the handle is driven to overturn.

The turning shaft 45 is sleeved at one end of the handle 1 in the shell, and the turning shaft 45 is installed on the concave part 441 of the support seat 44. The joint that supplies handle 1 to carry out the upset motion of trip shaft 45 one end can be regarded as, trip shaft 45 can carry out reciprocating rotary motion in depressed part 441 department of supporting seat 44 under handle upset actuating mechanism's drive to drive handle 1 upset. For example, the initial position is seen out to the horizontal state that lies in the casing with handle 1, and the handle can be pushed down and accomplish the action of unblanking of door leaf by the user when initial position, and under the vertical state in the trip shaft 45 overturns handle 1 to the casing, the handle is in can disinfecting the position.

As shown in fig. 5 and 6, trip shaft 45 mainly used realizes converting the action of handle pushing down into unlocking mechanism's the action of unblanking, and trip shaft 45 also is used for realizing turning over the handle and return in the top of handle turning device, and trip shaft 45 still has an effect to provide the support for the rotary motion of handle (rotatory handle). The turning shaft 45 is of a special-shaped stepped shaft structure, the turning shaft 45 comprises a first shaft section 451 and a second shaft section 452, the first shaft section 451 is arranged at the concave part 441 of the supporting seat 44, and the diameter is larger; the shaft end of the second shaft segment 452 is configured to be coupled to an unlocking mechanism, for example, the shaft end of the second shaft segment 452 is configured as a flat shaft end 4521. In addition, the middle of the first shaft section 451 is provided with a stepped hole 4512 perpendicular to the second shaft section 452 for mounting the handle. The first shaft segment 451 is further provided with a pin hole 4513 in a shoulder facing the second shaft segment 452.

The utility model discloses handle upset actuating mechanism can adopt multiple power and transmission structure. For example, the handle turning drive mechanism includes a first motor 41, a driving gear 42 and a driven gear 43, wherein the driving gear 42 may be mounted on an output shaft of the first motor 41, the driven gear 43 may be mounted on the second shaft section 452 of the turning shaft 45, or the driven gear 43 may be mounted on a sleeve 46 that is sleeved over the second shaft section 452 of the turning shaft 45. The driven gear 43 and the sleeve 46 form a rotary pair allowing relative rotation about a common axis.

In the above embodiment, in order to prevent the handle 1 from driving the driven gear 43 to rotate when the door is opened by pressing down, the driven gear 43 and the turning shaft 45 may be connected in a dynamic coupling manner. The movable coupling is exemplified by a pin connection, for example, as shown in fig. 6 and 7, one side of the driven gear 43 facing the tumble shaft is provided with an arc-shaped groove 431, the position of the arc-shaped groove 431 corresponds to the position of a pin hole 4513 of the tumble shaft, optionally, the width of the arc-shaped groove 431 is the same as the diameter of the pin hole 4513 of the tumble shaft 45, and the arc-shaped groove 431 and the pin hole 4513 are connected by a pin shaft.

The utility model discloses arc 431 has certain arc length, and this arc length can correspond with the range that the handle pushed down (rotatory along the axle center of trip shaft 45), and fig. 8 shows that arc 431 and pinhole 4513 are through the dynamic connection relation of round pin axle, and pinhole 4513 of trip shaft 45 passes through the round pin hub connection, when being located the left end position of arc 431, under driven gear 43 anticlockwise rotation's state, driven gear 43 can drive trip shaft 45 and upwards overturn. The pin holes 4513 of the turning shaft 45 are connected through a pin shaft, and when the turning shaft is located at the right end of the arc-shaped groove 431, the driven gear 43 can drive the turning shaft 45 to turn downwards to the initial position under the condition that the driven gear 43 rotates clockwise. The normal position here can mean that the handle is in the horizontality, and the disinfection position after the handle upset can be vertical state. The pin holes 4513 of the turning shaft 45 are connected through a pin shaft, and when the turning shaft is positioned at the left end of the arc-shaped groove 431, the handle is pressed down, and the driven gear 43 cannot rotate along with the arc-shaped groove 431 due to a certain length.

The utility model discloses the unlocking mechanism of embodiment can use multiple linkage structure, for example, as shown in fig. 5 and fig. 9, the unlocking mechanism mountable is on lock core support 47, including shift fork dish 48 and latch shaft 49.

As shown in fig. 6, the end of second shaft segment 452 of tumble shaft 45 remote from first shaft segment 451 may be a flat shaft end 4521 or may be a D-shaped shaft end, i.e., having at least one anti-rotation platform. The middle part of the fork disk 48 is correspondingly provided with a hole with the same shape as the flat shaft end 4521 so as to keep synchronous rotation with the overturning shaft 45. As shown in fig. 10 and shown, the yoke disc 48 may be axially fixed by an axial end retainer or cap 401 and a screw 402.

Fig. 5 is the utility model relates to an embodiment's relevant parts's such as delatch mechanism, handle upset actuating mechanism, handle rotation driving device and handle stereotactic mechanism sketch. Fig. 9 is a plan view of the lock opening mechanism and the handle according to the embodiment of the present invention in the top view direction; FIG. 10 is a cross-sectional view taken along the line B-B of FIG. 9 to show the axial configuration of the flip shaft; fig. 11 is a sectional view taken along the line a-a of fig. 9 to show the axial structure of the lever handle.

The lock cylinder bracket 47 is a symmetrical rectangular bracket, the wall plates at two sides are used for the turning shaft 45 to penetrate through, and the wall plate at the middle is used for installing the lock bolt shaft 49. The inner side of the shift fork disk 48 is provided with a first protruding shift fork 481, one end of the bolt shaft 49 in the lock cylinder bracket 47 is provided with a second shift fork 491, and the other end of the bolt shaft 49 is provided with a bolt 492. In the embodiment of the utility model provides an in, as shown in fig. 10 and 5, shift fork dish 48 keeps synchronous rotation with trip shaft 45, and when trip shaft 45 was pushed down by the handle and is driven rotatoryly, shift fork dish 48's first shift fork 481 moved towards second shift fork 491 to drive the whole direction motion in lock tongue axle 49 towards lock core support 47, lock tongue 492 retracts in the door leaf, unblank promptly and can accomplish the action of opening the door, lock tongue 492 can return under the effect of the reset spring of establishing on lock tongue axle 49, be about to the state that the door leaf locked.

In this embodiment, the fork disk 48 and the projecting first fork 481 are moved towards the second fork 491 to effect unlocking. The handle turning device drives the turning shaft 45 to rotate so that the handle turns upwards, and at the moment, the shifting fork disc 48 rotates in the opposite direction, so that unlocking action cannot be caused. Even when the handle returns to the original position after disinfection, the unlocking action can not be caused due to the limitation of the rotating angle.

According to the utility model discloses handle turning device can conveniently return the handle in the casing to carry out subsequent disinfection process, the handle turning device and the unlocking mechanism of this structure do not influence each other, both can keep the locking function of opening the door of normal handle lock, also can overturn the handle to the target position.

In some embodiments, in order to disinfect the handle in all directions and without dead angles, the part of the handle in contact with the hand of a person can be set into a rotatable structure. For example, as shown in fig. 11, the handle 1 may include a rotary knob 11, a handle inner shaft 12, a sleeve shaft 13, and the like. Wherein the rotary knob 11 is arranged outside the housing such that a setting action (which here may include an unlocking action of an unlocking mechanism, an automatic operation signal of a door handle sterilizing device, etc.) is triggered by a depression, the interior of the rotary knob 11 being hollow. The rotating handle 11 of the present embodiment is used as a main contact part for opening the door, i.e. a part requiring sterilization. In this embodiment, handle inner shaft 12 accessible quill 13 is worn to establish in the inside of rotatory handle, and the one end of handle inner shaft 12 is fixed in the outside one side of rotatory handle 11 through holding screw 15 and gasket, and the other end of handle inner shaft 12 cup joints shoulder hole 4512 department at trip shaft 45, and quill 13 mainly is used for cup jointing at the outer peripheral face of handle inner shaft 12 for support, sealed and protection handle inner shaft 12. One end of the quill 13 can abut against a platform 4514 of the first shaft segment of the turning shaft 45 to achieve axial fixation, and one or more bearings can be used for supporting and reducing friction between the outer periphery of the quill 13 and the inner wall of the rotating handle 11 when the quill 13 is inserted into the cavity of the rotating handle 11. If a pair of bearings is used for supporting, the bearings can be separated by a shaft sleeve 14 to realize axial positioning. In this embodiment, since the handle inner shaft 12 is used as a member for rotating the knob 11, one or more bearings may be provided to support the handle inner shaft 12 and the stepped hole 4512 of the turning shaft 45.

The embodiment of the utility model provides an in, this door handle disinfecting equipment still includes the handle rotary drive device for it is rotatory to drive the handle after the disinfection position in the casing is overturned to the handle, particularly, is that the rotation of drive handle is 11 rotatory, in order to carry out more comprehensive disinfection. For example, as shown in fig. 5, the handle rotation driving means may include a second motor 51, a drive bevel gear 52, a driven bevel gear 53, a handle rotation driving shaft 54, and the like.

Wherein an extension shaft of the second motor 51 is connected with a drive bevel gear 52, and a driven bevel gear 53 is installed at one end or the bottom end of a handle rotation driving shaft 54, wherein the drive bevel gear 52 and the driven bevel gear 53 are assembled to be engaged. In this embodiment, the drive motor of the handle rotation drive means intersects the handle rotation drive shaft 54 perpendicularly, and thus a bevel gear transmission is used, and in another embodiment, a spur gear or a helical gear transmission may be used if the drive motor and the handle rotation drive shaft are parallel. In addition, in other embodiments, chain transmission, belt transmission or direct connection of the drive motor and the handle rotary drive shaft or coupling connection can also be used.

The embodiment of the utility model provides an in, supporting seat 44 mainly used supports trip shaft 45 and handle, provides the support for the upset and the rotation of handle. As shown in fig. 12 and 13, the support base 44 may have a recessed portion 441 at an upper end, a stopper groove 442 on a peripheral side of the recessed portion 441, and a vertical through-hole 443. The recessed portion 441 is mainly used for supporting the turning of the turning shaft 45, and the limit groove 442 is mainly used for clamping the platform end portion 121 of the handle inner shaft 12. The platform end 121 of the inner handle shaft 12 extends out from the other side of the turning shaft 45 and is provided with two parallel planes to be clamped into the limiting groove 442 of the supporting seat, so that the inner handle shaft can not rotate when rotating in the limiting groove 442 by taking the turning shaft as a shaft. The through hole 443 is mainly used for insertion of the handle rotation drive shaft 54. In addition, the support base 44 may be fixed to the first side plate of the housing by means of screw holes 444 and screws or bolts.

As shown in fig. 5, in this embodiment, one end (bottom end in fig. 5) of the handle rotation driving shaft 54 is fixedly connected to the driven bevel gear 53, i.e., keeps rotating synchronously. As shown in fig. 13, the handle rotation driving shaft 54 is inserted into the through hole 443 of the support base 44 (the dotted line in fig. 13 indicates an invisible line, and the dimensional relationships are only schematic), the other end of the handle rotation driving shaft 54 is a recessed end 541, the recessed end 541 is recessed in the same shape as the protruding shape of the platform end 121 of the handle inner shaft 12, that is, the platform end 121 of the handle inner shaft 12 is inserted into the recessed end 541 of the handle rotation driving shaft 54, so that the handle rotation driving shaft 54 rotates the handle inner shaft 12, and further, the handle 11 is rotated. Therefore, the utility model discloses door handle disinfecting equipment overturns to vertical state when the handle needs the disinfection, and axle 12 realizes being connected with handle rotation drive shaft 54 in the handle, and handle rotation drive device can drive the rotation of handle 11 rotatoryly to accomplish the disinfection at all-round no dead angle.

The second motor 51 of the embodiment of the present invention may be provided with one or two. In the first embodiment shown in fig. 4, two second motors 51 are provided, corresponding to the two handles on the inner and outer sides, respectively. In the second embodiment shown in fig. 28, there are 1 second dual-axis motor 51A, and both sides of this motor have motor shafts, and the motor shaft on one side has a one-way bearing, so that the handles on both sides can be driven to rotate by the rotation of the motor in both forward and reverse directions, and the one-way bearings are used to isolate different rotation directions without mutual interference.

In the embodiment of the present invention, in order to keep the disinfection chamber in the housing 2 isolated from the outside, a handle door 31 is further disposed on the inner side of the first side plate 21, as shown in fig. 4, in the first embodiment, the handle door 31 is located at the position corresponding to the channel 211, and is used for moving the channel 211 to open and close on the inner side of the first side plate 21. The first side panel 21 is shown removed in fig. 4 to show the internal structure thereof. In one embodiment, two handle doors 31 are provided to correspond to the handles on both sides.

In some embodiments, to facilitate opening the handle door 31, the door handle sanitizer is further provided with a handle door opening mechanism. In this embodiment, handle door opening mechanism can adopt the tractive rope to pull open, specifically does, handle door opening mechanism can include third motor, reel 34, pulley and tractive rope etc..

As shown in fig. 4, in order to reduce the usage of the motors, the second motor 51 and the third motor may be the same motor (hereinafter, may be collectively referred to as the second motor), the second motor 51 may be a dual-shaft motor, and both ends of the second motor have output shafts, which are respectively a first output shaft and a second output shaft, wherein the first output shaft is used for providing power for the handle rotation driving device, the second output shaft is used for providing power for the handle door opening mechanism, and the reel 34 is mounted on the output shaft.

In the above embodiment, the reel 34 may be mounted on the output shaft by a one-way bearing, optionally. A one-way bearing is one that is free to rotate in one direction and locks in the other direction. The two output shafts of the second motor 51 generally rotate synchronously, and the working rotation direction of the first output shaft is a first rotation direction so as to drive the rotating handle of the handle to rotate; the working direction of rotation of the second output shaft is the second direction of rotation in the opposite direction, so as to drive the opening action of the handle door 31. The one-way bearing can prevent the reel 34 from rotating when the first output shaft rotates in the working state, and prevent the pulling rope from being broken or excessively loosening. The pulling rope can be a steel wire rope or other rigid ropes.

In the above embodiment, the pulley may further include 1 or more pulleys, as shown in fig. 4 and 5, and may include, for example, a first pulley 33A and a second pulley 33B, the first pulley 33A being used for guiding the middle of the pulling rope, the second pulley 33B being used for reversing the pulling rope near the side of the handle door 31, and the pulling rope may also pass through a hole in the middle of the first guide block 37 of the handle door. The first pulley 33A may be mounted on the key cylinder bracket 47 by a shaft and the second pulley 33B may be mounted on the first side plate 21.

As shown in fig. 4, one side of handle door 31 towards inside is equipped with pull ring 312, and handle door opening mechanism's tractive rope one end system is on pull ring 312, and the other end is connected at reel 34, and second motor 51 drives the reel 34 rotation, and the tractive rope drives handle door 31 and moves to the inboard, can accomplish the action of opening the door.

In the above embodiment, the handle door 31 is opened, and after the handle 1 is turned over into the disinfection position in the case, the handle door 31 needs to be closed to keep the airtight. In this embodiment, the closing movement of the handle door 31 can be achieved by means of a return spring. For example, the return springs may include a first return spring 35 and a second return spring 36. As shown in fig. 4, the first return spring 35 may be provided at the top end of the handle door 31 in the form of a tension spring, and the second return spring 36 may be provided at the lower middle portion of the handle door 31 in the form of a compression spring. The first return spring 35 has one end connected to the fixed side frame and the other end connected to a projecting spring connection terminal 314 at the top end of the handle door 31. The middle position of the handle door 31 on the left side and the right side is also provided with a first guide block 37, and a spring shaft and a second return spring 36 are also arranged between the first guide block 37 and the handle door 31. Wherein the spring shaft is used to prevent the second return spring 36 from being biased. The first guide block 37 can be directly or indirectly fixed on the shell, a hole for installing the spring shaft of the first guide block 37 is a through hole for the spring shaft to extend into, and a vertical through hole can be arranged in the middle of the first guide block 37 for the traction rope to pass through.

Handle door 31 is opened for it is located tensile first return spring 35, compresses tightly the state of second return spring 36, treats the handle upset and passes through the back, and second motor 51 drives reel 34 and relaxs the tractive rope, and handle door 31 is under first return spring 35 and second return spring 36 combined action, gets back to the closed door position.

The utility model discloses degassing unit is used for disinfecting to handle 1. The disinfection method of the embodiment of the utility model can adopt thermal disinfection, chemical medicine disinfection, ultraviolet disinfection, ionizing radiation disinfection and the like. The thermal sterilization can be performed by wet heat sterilization, pressure steam sterilization, etc., the chemical sterilization can be performed by chlorine disinfectant, ethylene oxide, peracetic acid, glutaraldehyde, formaldehyde, ethanol, etc., and the application method can be soaking, wine spraying, wiping, fumigating, etc. When chemical medicines are adopted for disinfection, clean cloth or other articles are soaked in disinfectant solution, the surfaces of the articles to be disinfected are wiped repeatedly in sequence, and after the articles are acted for the time required by the disinfectant, the articles are scrubbed by clean water to remove residual disinfectant, so that the damage effects of corrosion, bleaching and the like which are possibly caused are reduced. The ultraviolet ray disinfection can be irradiated by an ultraviolet ray lamp tube. Ionizing radiation sterilization may be performed using an irradiation device.

In the embodiment of the utility model, take chemical disinfection as an example, this door handle disinfecting equipment's degassing unit can adopt the wet piece of cloth of disinfection or the wet piece of cloth of disinfection, and further, degassing unit is the wet piece of cloth device of disinfection, including disinfection wet piece of cloth box and the wet piece of cloth actuating mechanism of disinfection of establishing outside the box body. The disinfection wet tissue box is integrally in a replaceable box body shape so as to be used as a consumable material to be replaced integrally in time.

In some embodiments, the door handle sanitizer may also include a bracket 61 disposed within the housing 2. Bracket 61 mainly used holds disinfection wet piece of cloth box, the wet piece of cloth actuating mechanism of installation disinfection to can with disinfection wet piece of cloth box synchronous motion, in order to avoid or be close to the position of handle upset, make the wet piece of cloth of disinfection can closely laminate with the handle, guarantee the disinfection effect. As shown in fig. 24 and 25, the door handle sterilizing apparatus is provided with two handles on the door leaf where it is installed, respectively on the inner and outer sides. In the non-sterile state, as shown in fig. 24, the positions where the bracket 61 and the sterile wet tissue box are butted against the rotating knob 11 of the handle are overlapped with the turning locus of the handle. Bracket 61 and disinfection wet tissue box are located the central point of casing under non-disinfection state, and the length of bracket 61 and disinfection wet tissue box is roughly equal with the interval of two handles. Therefore, when sterilization is required, the bracket 61 and the sterilized wet tissue box as a whole move in the case toward the side away from the handle to be sterilized, so that the handle to be sterilized can be turned to the sterilization position (vertical state) as shown in fig. 25, so that the sterilization process of the next step is performed.

As shown in fig. 14 and 15, the bracket 61 may include an upper plate 612, a lower plate 613, and a side plate 611. Wherein, a containing cavity for containing the sterilized wet tissue box is formed between the upper supporting plate 612 and the lower supporting plate 613, and the side supporting plate 611 is positioned between and connects the upper supporting plate 612 and the lower supporting plate 613. The upper support plate 612 is mainly used for mounting a driving mechanism of the disinfection wet tissue, and the side support plate 611 is mainly used for mounting a linkage mechanism of the handle door. The bottom plate 613 is also used to separate the space inside the housing to prevent the unlocking mechanism and the handle rotation driving means from interfering with the sterilized wet tissue box.

In some embodiments, the horizontal movement of the sterilized wet tissue cassettes and the bracket 61 can be driven by a motor, or can be triggered by the door opening action of the handle door 31 in a linkage manner, which can reduce the number of motors used, reduce the cost and reduce the weight of the whole device.

The linkage structure of the handle door, the disinfection wet tissue box and the bracket and the working mode thereof are described in detail below.

As shown in fig. 14, the main body of the handle door 31 has 1 or 2 slide grooves 311, and a hanging block 32 is attached to the slide grooves 311, and the hanging block 32 is vertically slidable in the slide grooves 311. In addition, as shown in fig. 3, the first side plate 21 of the housing 2 has 1 or 2 folding grooves 212, the hanging block 32 is provided with a protruding end shaft, the end shaft is also clipped in the folding grooves 212, and correspondingly, the side support plate 611 of the bracket 61 has a protruding clipping portion 6111. The clamping portion 6111 has a groove for clamping the hanging block 32. When the hanging block 32 is pushed to the straight portion of the folding groove 212 by the handle door, the hanging block 32 moves to the other end in the sliding groove 311, and enters the clamping portion 6111. After the thickness side wall of the hanging block 32 abuts against the wall portion of the catching portion 6111, then the bracket 61 (and the sterilized wet tissue box) moves with the movement of the handle door.

As shown in fig. 17, the arrangement relationship among the hanging block 32, the folding groove 212 and the clamping portion 6111 is as follows: when the hanging block 32 is located at the inclined part of the folding groove 212, the hanging block 32 does not enter the clamping part 6111; when the hanging block 32 is located at the straight portion of the folding groove 212, the hanging block 32 enters the clamping portion 6111. The straight portion of the bending groove 212 is close to the opening position of the clamping portion 6111, the trend of the inclined portion of the bending groove 212 is matched with the door opening direction of the handle door, namely, the door opening movement enables the hanging block 32 to be close to the clamping portion 6111 along the inclined portion of the bending groove 212. The slide slot 311 of the handle door 31 has a sufficient height or travel for the movement of the hanging block 32.

In the above embodiment, in order to balance the forces, two sets of hanging blocks 32, folding grooves 212, and clamping portions 6111 may be disposed at the upper and lower positions corresponding to the handle door 31, and the two sets of linkage mechanisms are mirror-symmetrical to each other with the central line (horizontal line) as the axis. Correspondingly, on the premise that the sub-disinfection handle comprises two handles and two handle doors, the handle door on the other side is also provided with a linkage mechanism which is the same with the handle door, and the two handle doors and the linkage mechanism thereof are in mirror symmetry with a central line (vertical line).

The embodiment of the utility model provides an in, because bracket 61 and disinfection wet tissue box are portable in the casing, for avoiding it to rock repeatedly on length direction under the scene of disinfection process and normal switch door, bracket 61 accessible one or more location guide block 64 are fixed on casing 2, and location guide block 64 accessible screwed connection fixes on the first curb plate 21 of casing.

According to an aspect of this embodiment, the positioning guide 64 is mainly used to mount the tray 61 and the sterilized wet tissue cassette in the housing, and locking the tray 61 from sliding in a non-sterilized state is achieved by the positioning pins 63. The positioning guide block 64 is also used for guiding the sliding of the bracket, the middle part of the positioning guide block 64 is provided with a through hole along the length direction of the shell to penetrate through the installation guide rail 65, two ends of the guide rail 65 are fixed at the upper supporting plate 612 of the bracket 61, namely the guide rail 65 and the bracket 61 are kept fixed, and the bracket 61 can slide on the positioning guide block 64 in a reciprocating manner along the guide rail 65. The guide 65 may be a smooth optical axis.

As shown in fig. 14, the guide rail 65 is covered with carrier return springs 66, and the number of the carrier return springs 66 is preferably 2 on the guide rail 65 symmetrically about the positioning guide block 64. The positioning guide block 64 is kept fixed, the bracket 61 and the sterilized wet tissue box are located at a non-central position after moving, and the bracket return springs 66 on the two sides are not stressed equally, so that the bracket 61 and the sterilized wet tissue box have a common acting force for returning to the central position. This effort also is used for making the wet piece of cloth of disinfecting hug closely the handle, ensures the disinfection effect.

Specifically, as shown in fig. 15, two sides of the upper supporting plate 612 of the bracket 61 are provided with protruding axle seats 6123 for installing the guide rails 65. The bracket 61 has an open communication part 6122 in the middle of the ridge part where the upper plate 612 and the side plate 611 are adjacent, and is used for mounting the positioning guide block 64. The opening length of the opening communication portion 6122 is greater than the length of the positioning guide block 64, so that the bracket 61 and the sterilized wet tissue box can slide on the positioning guide block 64 in a reciprocating manner. In order to balance the stress on the upper and lower support plates of the bracket 61, the lower support plate 613 is also symmetrically provided with a shaft seat 6123, an open communication part 6122, and the like.

In the embodiment of the present invention, as shown in fig. 19, the positioning guide block 64 includes a positioning block 641 and a guide plate 642, the positioning block 641 is mainly used for mounting the whole bracket 61 and the sterilized wet tissue box on the housing, and the positioning block 641 is disposed at the position of the open communication portion 6122 of the bracket 61 and is fixedly connected to the first side plate 21 of the housing. A through guide hole 6411 is formed in the middle of the positioning block 641 to pass through the guide rail 65, so that the bracket 61 and the sterilized wet tissue box are slidably mounted in the housing through the guide rail 65. The positioning block 641 is provided at a middle portion of a side thereof facing the first side plate with an inwardly recessed positioning pin mounting groove 6412 for mounting the positioning pin 63, so as to achieve locking or unlocking of the bracket 61 and the sterilized wet tissue box by the positioning pin 63. The positioning block 641 is further provided with a connecting hole 6413 on a side surface facing the first side plate, so as to be fixed on the first side plate by a screw or a bolt.

As shown in fig. 19 and 14, the guide plate 642 of the positioning guide block 64 is disposed at the bottom of the positioning block 641 and extends above the upper case 711 of the wet tissue sterilization case, and the positioning block 641 and the guide plate 642 can be integrally formed or welded together or can be fixed together by other connecting means.

In the above embodiment, the door handle sterilizing apparatus may be provided with two positioning guide blocks 64 at the upper and lower supporting plate positions of the bracket 61, wherein, because the door handle sterilizing apparatus of the embodiment of the present invention may be provided with only 1 positioning pin, the positioning block 641 located below may not be provided with the positioning pin mounting groove 6412.

The principle and the structures of the bracket 61 and the sterilized wet tissue box to be locked and unlocked by the positioning pin 63 according to the embodiment of the present invention will be described in detail below.

As shown in fig. 14 and 17, the positioning pin 63 is movably disposed in a guide groove 6413 in the middle of the positioning guide block 64 up and down, and a protruding abutment 6112 is further provided in the middle of the side bracket 611 of the bracket 61. The bottom end of the positioning pin 63 is wedge-shaped, and the butt joint seat 6112 has a concave part with the same shape as the positioning pin. When the positioning pin 63 is inserted into the docking socket 6112, the bracket 61 is locked by the positioning guide 64 and the positioning pin 63, i.e., cannot move left and right. When the positioning pin 63 moves upward to leave the butt joint seat 6112, the bracket 61 and the sterilized wet tissue box are unlocked, and the bracket 61 can move left and right to avoid the turning track of the handle.

In order to realize the unlocking action of the positioning pin 63, the top end of the handle door 31 facing the positioning pin 63 is provided with a push arm 313 extending and protruding, and the push arm 313 may be in a long strip shape, and the outer end of the push arm has a first inclined surface. Correspondingly, the middle of the positioning pin 63 is provided with a connecting groove 631, and the connecting groove 631 has a second inclined surface. First inclined plane and second inclined plane link up the cooperation for handle door 31 can drive locating pin 63 jacking upwards when the horizontal migration of opening the door action, and the unblock of locating pin 63 can be realized to handle door 31. Subsequently, the hanging piece 32 slides from the inclined portion to the straight portion of the folded groove 212, and the hanging piece 32 enters the catching portion 6111. When the handle door 31 moves to a certain position, the bracket 61 and the disinfection wet tissue box are driven to move by the hanging block 32.

In the above-mentioned embodiment, this door handle disinfecting equipment is being equipped with two handles, also is equipped with two handle doors, and two handle doors set up the left and right sides at first curb plate 21 symmetrically. As shown in fig. 16, two engaging grooves 631 are formed in the middle of the positioning pin 63, and the two engaging grooves 631 are located at different heights or different thickness positions of the positioning pin 63, so that the structure is compact and stress concentration is avoided. Correspondingly, the push arm 313 of two handle doors also is located different height positions respectively, corresponds these two linking recess 631 respectively in addition, and the orientation of the inclined plane portion of these two linking recesses 631 is different to homoenergetic drives the upwards jack-up of locating pin when making each handle door inwards move, with to bracket and the unblock of disinfection wet towel box.

In the above embodiment, the handle needs to be turned back to the initial position after the sterilization is completed at the sterilization position. The positioning pin 63 also needs to be locked to the bracket 61 and the sterilized wet tissue box to prevent the bracket from swinging. In some embodiments, since the positioning pin 63 is vertically disposed, it can be lowered to the docking socket 6112 by gravity. In another embodiment, the return can also be by means of a spring. For example, as shown in fig. 17 and 18, a positioning pin return spring 67 is provided on the rear side of the positioning pin 63 to achieve reliable return. The pin return spring 67 may have one end connected to a spring coupling portion 6414 protruded from an upper end surface of the fixed positioning guide 64 and the other end connected to an upper portion of the positioning pin 63. After the positioning pin 63 is jacked up, namely in an unlocking state, the tension of the positioning pin return spring 67 on the positioning pin 63 is downward, and when the bracket 61 returns to the initial central position, the positioning pin 63 is quickly returned, namely in a locking state.

As shown in fig. 26, 27 and 28, in the second embodiment, the door handle sterilizing apparatus may not have a structure of a handle door, but avoid a handle turning path through a movable sterilizing wet tissue box, so that the length of the whole structure is reduced, the structure is more compact, and specifically, the door handle sterilizing apparatus is further provided with a sterilizing wet tissue box moving device, which includes a guide rail slider mechanism and a sterilizing wet tissue box moving driving mechanism, wherein the sterilizing wet tissue box moving driving mechanism is mainly used for driving the sterilizing wet tissue box to move, and the guide rail slider mechanism is mainly used for guiding the sterilizing wet tissue box.

As shown in fig. 29, 30 and 31, the sterilizing wet tissue cassette moving drive mechanism may include a sixth motor 920, a gear 921 and a rack 922. The first motor 920 may be fixed above the box body through a bracket, the gear 921 is fixedly mounted on a motor shaft of the first motor 920, and the rack 922 may be fixedly mounted on a housing of the door handle sterilizing apparatus, for example, on the rear side plate 24. The rack and pinion mechanism is used for converting the rotary motion output by the motor shaft into linear motion, so that the disinfection wet tissue box can move along the length direction of the shell of the door handle disinfection equipment, and the handle 1 can turn to a disinfection position in the shell or an initial position outside the shell.

The utility model discloses disinfection wet tissue box accessible rail slider mechanism installs inside door handle disinfecting equipment's casing, and rail slider mechanism can include guide rail 924 and slider 923, and rail slider mechanism can be equipped with two sets of or three groups.

The first embodiment of the present invention provides a disinfectant wet tissue box installed on the bracket 61, which may include a disinfectant wet tissue 7, a box body 71 (also called disinfectant wet tissue box body), a driving shaft 72, a driven shaft 73, a disinfectant wet tissue box sealing door 74, an arc support 75, a soft pad 76, a guide shaft 77, etc. A driving shaft 72 and a driven shaft 73 are vertically penetrated between the upper and lower cases. One end of the disinfection wet tissue 7 is connected with the driven shaft 73, and the other end is connected with the driving shaft 72. Alternatively, the unused sterilized wet tissues 7 are wound around the driven shaft 73 and stored, and the sterilized wet tissues 7 contaminated after use are recovered on the driving shaft 72 by the rotation of the driving shaft 72.

In the above embodiment, the width of the wet wipe 3 of the disinfecting device is generally greater than the length of the knob 11 of the handle. The disinfecting wet wipes 3 are wet wipes soaked with disinfectant, therefore, as shown in fig. 14, 20 and 22, the box body 71 of the disinfecting device is provided with a corresponding disinfecting wet wipe box sealing door 74, which prevents the disinfectant on the disinfecting wet wipes 3 from volatilizing, and reduces the disinfecting effect.

As shown in fig. 14, 20 and 22, the sterilizing unit arranges the sterilized wet wipes 3 near the exit of the sealed door 74 of the sterilized wet wipes box to be adjacent to the rotating handle 11 of the handle. The rotation of handle is rotary motion 11 under handle rotary drive device's drive, and the rotatory peripheral face of 11 can hug closely the rotatory a plurality of circles of wet piece of cloth 3 of disinfection, and antiseptic solution or medicament in the wet piece of cloth of disinfection and rotatory fully contact, can realize the disinfection process.

In this embodiment, for the abundant contact of reinforcing wet piece of cloth of disinfecting and handle, this door handle disinfecting equipment's bracket sets up two location guide blocks 64 from top to bottom, corresponds supporting guide rail 65 and the bracket return spring 66 of wearing to establish, and the return effort that applys for bracket and disinfection wet piece of cloth box through bracket return spring 66 also makes the wet piece of cloth of disinfecting hug closely the rotatory handle of handle, ensures the disinfection effect of the wet piece of cloth of disinfecting.

The utility model discloses door handle disinfecting equipment all is equipped with the handle in the inside and outside both sides of installation door leaf, as shown in fig. 22, consequently this disinfection handle all is equipped with disinfection wet tissue box sealing door 74, arc support 75 and cushion 76 correspondingly in the both sides of box body 71. The curved supports 75 and cushions 76 are disposed at locations inboard of the sealed door 74 of the sterilized wet wipes cassette and the outwardly facing sides of the curved supports 75 and cushions 76 are recessed as a curved portion to provide support for the sterilized wet wipes. The wet disinfection tissue 7 bypasses the arc-shaped support 75 and the arc-shaped concave side of the soft pad 76, the arc-shaped support 75 and the arc-shaped soft pad 76 have the same radian with the handle 11, so that the wet disinfection tissue 7 and the handle 11 have larger contact area, and the disinfection effect is ensured. In this embodiment, the arcuate supports 75 and cushions 76 are disposed behind the sterile wet tissue box door 74 and may be substantially flush with the side panels of the box 71 on the width side thereof. The arc supports 75 may be fixed between the upper case or the lower case of the case, and the soft pad 76 may be bonded to the arc portions of the arc supports 75. The soft pad 76 has certain flexibility and deforms after being stressed so that the wet disinfection tissue can be tightly attached to the handle, and the height of the arc-shaped support 75 and the soft pad 76 can be larger than or equal to the width of the wet disinfection tissue.

The disinfection device can adopt two sets of driving shafts 72 and driven shafts 73 to respectively correspond to the disinfection wet tissue box sealing plates 74A, the arc supports 75 and the soft pads 76 on the two sides, the disinfection of handles on the two sides is not interfered mutually, and two disinfection wet tissues are respectively adopted for disinfection. A fifth motor 910 is fixedly arranged above the disinfection wet tissue box and is used for driving the two driving shafts of the disinfection wet tissue box to rotate. The output shaft of the fifth motor 910 is used to drive an intermediate gear 911, which drives two driven gears, respectively. The middle parts of the two driven gears are respectively provided with a one-way bearing with opposite limiting directions, and the two driven gears respectively drive the two driving shafts to rotate in different rotating directions, so that the sterilized wet tissues for the inside and outside handles are respectively used alternately.

In the second embodiment, as shown in fig. 26 and 27, the upper portions of the left and right sides of the housing 2 are both open structures, and a protective cover 220 for covering the box body 71 is provided at the open position, and the protective cover 220 may be provided in a fixed or movable structure according to actual requirements. For example, in the first embodiment, the housing 2 has a large length, and there is enough space inside for the box 71 to move, so the protection cover 220 can be fixed, and the fixed structure can be regarded as an integral structure with the housing 2. In the second embodiment, the protection casing 220 of both sides all can be movable's structure, before the inside of casing 2 is overturned to handle 1, box body 71 need successively translate to the position before the box body 71 that the flash space supplied handle 1 to overturn entering protection casing 220.

In other embodiments, the two side shields 220 may be fixed, one being a movable structure. According to the two embodiments of the present invention, it can be seen that if the protection cover 220 is configured as a fixed structure, the lower handle 1 is not overlapped with the upper box 71 in the vertical space, in other words, the handle 1 is located outside the box 71; if the protective cover 220 is provided in a mobile configuration, the lower handle 1 overlaps the upper box 71 in a vertical space, in other words, the handle 1 is located inside the box 71.

The case 71 of this embodiment is generally a replaceable consumable, and the entire sterilized wet towel case needs to be replaced after the inside sterilized wet towel 7 is used. As shown in fig. 31 and 29, the case 71 is mounted on a movable bracket 61, wherein the bracket 61 may include an upper plate 612, a lower plate 613 and a side plate 611. In this embodiment, the upper supporting plate 612, the lower supporting plate 613 and the side supporting plate 611 are fixedly connected, and may be an integrated structure or an assembled structure. The upper supporting plate 612 is mainly used for mounting a disinfection wet tissue driving mechanism and a disinfection wet tissue box moving driving mechanism, and the side supporting plate 611 is mainly used for mounting a guide rail sliding block mechanism. The bottom plate 613 also serves to space the inside of the case 2 apart from the unlocking mechanism and the rotation driving mechanism of the handle 1 to avoid interference with the sterilized wet tissue box.

In this embodiment, the side support plate 611 may be located on the handle 1 side or on the bolt side, wherein the side support plate 611 may be connected to the housing 2 through a rail-slider mechanism, so that the support plate together with the sterilized wet tissue box can slide along the length direction of the housing 2.

As shown in fig. 29 and 30, the rail-slider mechanism includes a rail 923 and a slider 924, wherein one of the rail or the slider is fixedly connected to the housing 2 and the other is fixedly connected to the side bracket 611. For example, in the second embodiment, the slider is fixedly connected to the side support plate 611, and the guide rail is fixedly connected to the rear side plate 24 of the housing 2. Preferably, two sets of guide rail slider mechanisms are arranged and respectively correspond to the upper side and the lower side of the box body 71, so that the translation process of the wet tissue box is stable.

Further preferably, as shown in fig. 30, the rail slider mechanism is provided with three sets, two sets for guiding the sterilized wet tissue cassettes and the other set for guiding the movable hood 220. For example, the protection cover 220 is a semi-closed plate structure, and is fixedly connected to the third set of sliders on a panel facing the rear side plate 24 of the housing 2, and the guide rail is fixedly connected to the rear side plate 24 of the housing 2. A stopper plate is further provided on the rear side plate 24 of the housing 2 to prevent the shield 220 from entering the inside of the housing 2. A return spring is also provided between the inside of the shield 220 and the fixed housing 2. The shield 220 of this embodiment is normally abutted against the holder and is not fixedly attached thereto. Thus, the outward translation of the shield 220 may be moved by the abutment of the carriage 61, and the inward return of the shield 220 may be pulled back by the return spring.

In the second embodiment, as shown in fig. 31 and 32, a sealing plate 74A and a sealing cushion 74B may be fixed to the inner side of the vertical plate of the protecting cover 220 at the position corresponding to the notch of the wet tissue box for sterilization, so as to prevent the wet tissue from directly contacting with air and prevent the disinfectant of the wet tissue from volatilizing, thereby affecting the sterilization effect.

In the second embodiment, as shown in FIG. 34, the open and close door 23 of one of the side guards 220 is movable to allow removal or removal for replacement of the inside sterilized wet tissue cassettes. Specifically, the opening and closing door 23 is a structure that is pushed and pulled up and down.

As shown in fig. 29, the sterilizing wet tissue box moving driving mechanism is configured to drive the sterilizing wet tissue box to move along the length direction of the housing 2 through the guide rail slider mechanism, so that the handle 1 is turned over to the sterilizing position inside the housing 2 or the initial position outside the housing 2 after the sterilizing wet tissue box is flicked.

As shown in fig. 31 and 33, the wet tissue sterilizing driving mechanism comprises a motor 910 fixedly arranged on the upper supporting plate 612, an intermediate gear 911 and two driving shaft gears 912; wherein, the output shaft of the motor 910 drives the intermediate gear 911, and the two driving shaft gears 912 are coaxially arranged with the two driving shafts 72 and are both meshed with the intermediate gear 911. A one-way bearing is arranged in each driving shaft gear 912, the limiting directions of the two one-way bearings 913 are opposite, the one-way bearings 913 are connected with one end of the driving shaft 72 through a transmission shaft 914, and the transmission shaft 914 and the driving shaft 72 rotate synchronously.

As shown in fig. 33, the replaceable structure of the sterilized wet tissue cassette can be realized by the following structure: one end of the drive shaft 72 is a flat shaft end, for example, in the form of a square shaft, and the drive shafts of the two gears have a slot (end or piece) into which the flat shaft end of the drive shaft 72 is inserted. The upper supporting plate is provided with a driving shaft limiting groove for the flat shaft end of the driving shaft to horizontally move in a preset direction.

The length fixing function of the disinfectant wet tissue can be realized by the following structure. Wherein the length of the wet tissue for disinfecting the handle 1 every time can be kept consistent. The embodiment of the utility model provides a but the fixed length function of disinfection wet piece of cloth is ensured to multiple embodiment, and one of them has the friction surface with a guiding axle processing, ensures that wet piece of cloth does not skid when walking around the direction rotation, and the path length of the rough surface of this guiding axle is the length of wet piece of cloth promptly, sets up a sensor in the one end of guiding axle to record the number of revolutions or the angle of guiding axle, according to the long contrast relation in footpath, can calculate the length of wet piece of cloth. The control system belongs to a closed-loop control system. Secondly, the control system can adopt the comparison relationship between the number of turns of the motor and the using state of the Nth disinfection wet tissue, and the number of turns of the motor is controlled by a preset program to realize the fixed length function, and belongs to an open loop control system.

In another embodiment of the present invention, since the door handle sterilizing apparatus has the handle in both sides inside and outside the door, respectively, for reducing the volume of the whole housing and the sterilizing wet tissue box, and reducing the configuration of the driving shaft and the driven shaft, the front and back sides of the sterilizing wet tissue 3 can be configured in the door positions of both sides of the sterilizing wet tissue box, respectively. Therefore, the disinfection device can also adopt a set of driving shaft 72 and driven shaft 73, and adopt the positive and negative sides of a piece of disinfection wet tissue to respectively disinfect handles on two sides. As shown in fig. 22, the sterilizing device may be provided with a plurality of guide shafts 77 for guiding and reversing the sterilized wet tissues.

For example, as shown in fig. 22, the guide shafts 77 may include a first guide shaft 77A, a second guide shaft 77B, a third guide shaft 77C, and a fourth guide shaft 77D. The arrangement of the guide shaft 77 and the wet sterilized tissues 7 in a preferred embodiment will be described in detail below. The wet wipes 7 are drawn out on the driven shaft 73 along a tangent thereof, and first wound around the arc-shaped support 75 and the soft pad 76 which are close to each other, and the first guide shaft 77A is disposed inside the arc-shaped support 75, and the wet wipes 7 are wound around the inside of the driven shaft 73. The second guide shaft 77B and the third guide shaft 77C are disposed on the same length side of the case 71 and near the side plate to avoid a new unused sterilized wet wipes 7 stored on the driven shaft 73. Alternatively, the second guide shaft 77B is disposed at a position substantially equal to or level with the end of the driven shaft 73 facing the arc support 75 that is close thereto. The third guide shaft 77C is disposed substantially at a spatial position between the driving shaft 72 and the driven shaft 73 to perform a large angle direction change of the sterilized wet tissues 7. In the box body, the fourth guide shaft 77D is located at the other side opposite to the third guide shaft 77C, and similarly, is also close to the side plate at the other length side of the box body. Subsequently, the wet sterilized tissues 7 are wound around the arcuate support 75 and the soft pad 76 adjacent to the drive shaft 72, and the wet sterilized tissues 7 are finally recovered on the drive shaft 72.

In the above-mentioned embodiment, the wet piece of cloth 7 of disinfecting roughly is the S type and distributes, and third guiding axle 77C and fourth guiding axle 77D commutate the wet piece of cloth 7 of disinfecting jointly for the wet piece of cloth 7 of disinfecting is openly and outside outward respectively on the arc of both sides supports 75 and cushion 76, and the handle of both sides uses the tow sides of the wet piece of cloth 7 of disinfecting respectively promptly to disinfect, both can guarantee the disinfection effect, also can practice thrift the use of the wet piece of cloth of disinfecting, improves the rate of utilization of the wet piece of cloth of disinfecting, reduce cost.

In the second embodiment, as shown in fig. 32, the wet tissue disinfection device of the present invention may be provided with two wet tissues for disinfection 7 to disinfect two handles respectively. Correspondingly, two sets of reel structures consisting of a driving shaft 72 and a driven shaft 73 are vertically arranged in the box body 71 of the wet tissue sterilizing device. The two strips of sterilized wet tissues 7 can be respectively wound on the soft pads 76 and the arc-shaped supports 75 at the two sides of the box body. After being led out from the driven shaft 73, the sterilized wet tissues 7 can be bent to the arc-shaped support 75 under the guidance of the first guide shaft 77A and then extended to the driving shaft 72 after the direction of the second guide shaft 77B is changed. The two disinfectant wet tissues can be used without mutual interference, and the utilization rate is higher. In this embodiment, sealing plates 74A may be disposed at the positions of the gaps on the two sides of the wet tissue box for exposing the wet tissue to prevent the disinfectant on the wet tissue from volatilizing.

In the embodiment, when the handle is disinfected, the disinfecting wet tissues can be synchronously rotated and overlapped according to the actual demand condition, for example, in the scene of large pollution amount of the handle, so that enough disinfectant can be provided for disinfecting the handle; if the handle is polluted in a small condition, the disinfection wet tissue can not rotate or slowly rotate, and after disinfection is finished, a new unused disinfection wet tissue is replaced and covered, so that the use of the disinfection wet tissue is saved.

According to the utility model discloses door handle disinfecting equipment, the wet piece of cloth box sealing door 74 of disinfection of at least one side is for opening the translation door form of opening, including two symmetric distribution's door plant promptly, opens the door width and is not less than the diameter of rotation 11 to supply the handle to get into and paste closely with the wet piece of cloth of disinfection. The opening of the sterile wet tissue box sealing door 74 may be controlled by a motor, for example, a linear motor may be used to control the linear movement of the door panel to achieve the opening and closing of the door. The utility model discloses an embodiment, the switch door action of disinfection wet tissue box sealing door 74 also can link with bracket 61 and degassing unit's removal, reduces the use of motor, reduce cost.

As shown in fig. 20, the upper case 711 of the wet tissue sterilization case has a door opening sliding slot 7111, and the top of the sealed door 74 of the wet tissue sterilization case is provided with a protruding door opening guide shaft 741, and the door opening guide shaft 741 is inserted into the door opening sliding slot 7111 and extends upward. The sterilized wet tissue cassette sealing door 74 is slidably coupled to the sterilized wet tissue cassette sealing door 74 via a hollow shaft 742 and a spring 743 fitted over the outer circumference of the hollow shaft 742. In detail, the spring 743 is generally a compression spring, one end of the spring 743 is fixed on one side plate of the sterilized wet tissue box, the other end of the spring abuts against the side wall of the sterilized wet tissue box sealing door 74, and the spring 743 applies a pre-pushing force to the sterilized wet tissue box sealing door 74, so that the sterilized wet tissue box sealing door 74 is in a door-closed state, and the sterilized wet tissue inside is kept moist.

In the above embodiment, the fixed positioning fixing block 64 can be used for linking the movement of the bracket 61 and the sterilized wet tissue box and the opening and closing action of the sterilized wet tissue box sealing door 74. For example, as shown in fig. 19 and 21, the positioning guide block 64 includes a positioning block 641 and a guide 642, the guide 642 is located at the bottom of the positioning block 641 and extends above the upper case 711 of the sterilized wet tissue box, and the positioning block 641 and the guide 642 are fixed together. Guide 642 has two ramp guides 6422 on each side of the sterilized wet tissue cassette door 74, the two ramp guides 6422 being opposite to each other to push the two sterilized wet tissue cassette doors 74 in opposite directions. The door opening guide shaft 741 protruding from the top of the sealing door 74 of the wet tissue box is in contact with the inclined guide 6422 of the guide 642, and when the guide 642 is kept fixed and the sealing door 74 of the wet tissue box and the wet tissue box is moved inward, the door opening guide shaft 741 is pushed by the inclined guide 6422 of the guide 642 to slide in the door opening chute 7111 of the upper case 711, thereby completing the door opening operation. After sterilization, the sterilized wet tissue box sealing door 74 completes the door closing action under the return action of the spring 743.

In the above embodiment, similarly, the bottom of the sealing door 74 of the sterilized wet tissue box, the lower box body of the sterilized wet tissue box, and the positioning guide block 64 located therebelow may have the aforementioned door opening guiding and returning structure. Further, as shown in fig. 19 and 21, both side middle portions of the guide plate 642 of the positioning guide block 64 are opened to avoid the driving mechanism of the driving shaft or the detecting means of the guide shaft.

The disinfection device of the embodiment of the utility model also comprises a disinfection wet tissue driving mechanism to drive the driving shaft 72 to rotate. As shown in fig. 23, the wet wipe sterilizing driving mechanism may include a fourth motor 81, a notch shaft 82, a notch motor mount 83, and the like. The fourth motor 81 may be fixed to the upper plate 612 of the bracket 61 by a slotted motor mount 83. The driving shaft 72 extends out of the box body and is provided with a flat shaft end, the fourth motor 81 extends out of the clamping groove shaft 82, a through clamping groove is formed in the middle of the clamping groove shaft 82, and the shape of the clamping groove is the same as that of the flat shaft end extending out of the driving shaft 72. After the disinfection wet tissue box is installed in the shell, the flat shaft end of the driving shaft 72 is inserted into the clamping groove of the clamping groove shaft 82, and the fourth motor 81 can drive the driving shaft 72 to rotate to roll the disinfection wet tissue so as to disinfect the handle for multiple times.

In the above embodiment, since the entire sterilized wet tissue box is a replaceable consumable, the slotted motor base 83 has a corresponding slot, and the upper supporting plate 612 of the bracket 61 also has a driving shaft limiting groove 6121, as shown in fig. 15, the driving shaft limiting groove 6121 has a chamfered guide portion with a larger opening at one end near the wide side, and the portion of the driving shaft limiting groove 6121 where the slot shaft 82 and the driving shaft 72 are butted is a radian groove with a larger diameter. The opening in the middle of the driving shaft limiting groove 6121 is small, so that the flat shaft end extending out of the driving shaft 72 can only enter in the direction parallel to the groove on the plane of the shaft end to be abutted to the clamping groove of the clamping groove shaft 82.

In the above embodiment, the fourth motor 81 may adopt a stepping motor or a servo motor, and may precisely control the rotational angular displacement of the slot shaft 82, so that the angles of the flat shaft end of the driving shaft 72, the slot of the slot shaft 82, and the driving shaft limit slot 6121 of the upper supporting plate 612 correspond to the angles of the smooth wet tissue box sterilization. Optionally, a sensor, such as a laser sensor, for detecting the current angular position of the slot shaft 82 may be provided on the slot motor mount 83 to transmit feedback to the controller, so that the slot alignment control for changing the sterilized wet tissue cassettes is more accurate.

In order to facilitate the entire replacement of the disinfection wet tissue box, as shown in fig. 3, the second side plate 22 of the door handle disinfection apparatus of the embodiment of the present invention has a channel corresponding to the disinfection wet tissue box, and a switch door 23 is provided at the channel position. The second side plate 22 is adjacent to the first side plate 21 and may be one width side of the case 2. The switch door 23 is mainly used for replacing the whole sterilized wet tissue box after being opened, so that the height of the switch door 23 is not less than that of the sterilized wet tissue box, one side edge of the switch door 23 is pivotally connected with the shell, and the other side edge opposite to the switch door 23 can be in shell clamping connection or magnetic connection, so that the door opening operation is convenient. Preferably, the door handle disinfection device of the embodiment of the present invention only needs to be provided with one switch door 23, and is preferably arranged on the inner side of the door leaf where the door handle disinfection device is installed, so as to facilitate replacement and theft prevention.

The utility model discloses disinfection wet piece of cloth box can regard as disposable consumptive material, wholly changes after the wet piece of cloth of disinfection is whole to be used. The sterilized wet tissue cassette is mounted on the tray 61, specifically, between the upper plate 612 and the lower plate 613 of the tray 61. As shown in FIG. 20, the top of the upper box 711 of the sterilized wet tissue box is provided with at least one limit protrusion 7112, and correspondingly, as shown in FIG. 15, the lower plate wall of the upper supporting plate 612 is provided with a limit chute 6124. Preferably, two limiting protrusions 7112 and two limiting sliding grooves 6124 are symmetrically arranged, and the disinfection wet tissue box enters and exits the bracket 61 in a mode that the limiting protrusions 7112 are clamped into the limiting sliding grooves 6124 of the bracket 61.

Further, a return pressure spring is further installed on the inner side of the limiting sliding groove 6124, a button installation groove 6125 is further formed in the outer side of the limiting sliding groove 6124 of the upper supporting plate 612 of the bracket 61, as shown in fig. 15 and 14, a button 89 is installed on the button installation groove 6125, after the limiting protrusion 7112 of the upper box body 711 of the wet tissue disinfection box is installed at a target position, the return pressure spring is compressed, the bottom end of the button 89 clamps the outer side wall of the limiting protrusion 7112, and therefore the wet tissue disinfection box is fixed in the bracket 61. Further, button 89 passes through spring mounting in button mounting groove 6125, when needing to change disinfection wet towel box, pushes down the button, can release spacing arch 7112, and disinfection wet towel box pops out under the effort of return pressure spring. The simple operation of the replaceable structure of the disinfection wet tissue box of the embodiment is convenient.

In some embodiments, the length or distance of the wet sanitizing wipe should correspond to the amount of one hand to be sanitized per pass. The door handle disinfection equipment provided by the embodiment of the utility model can adopt a plurality of schemes to control the door handle disinfection equipment.

For example, because the utility model provides a disinfection wet piece of cloth box is as disposable consumptive material, the higher unified specification can be realized to the interval of its driving shaft and driven shaft, diameter and the length and the winding elasticity degree of disinfection wet piece of cloth. The corresponding relation between the n-th wet tissue transport length and the number of the rotation turns of the driving motor can be tested in advance, the fourth motor can adopt a high-precision control motor, the comparison relation of the number of the rotation turns of the driving motor at every time is written into the controller, and a margin can be additionally added on the number of the rotation turns of the driving motor at every time to ensure that a brand new wet tissue with enough length is used at every time.

In another embodiment, the sterilizing device can also be provided with a measuring mechanism for monitoring the running length of the sterilized wet tissues, so that the measured signal is fed back to the controller, and the fourth motor is controlled by the controller to stop rotating, thereby realizing the control of the running length of the sterilized wet tissues each time. For example, as shown in fig. 20 and 23, the measuring mechanism of this embodiment may use one of the guide shafts as the measuring shaft, for example, the first guide shaft 77A is selected as the measuring shaft, the circumference of the measuring shaft may be rough or coated with a high friction material to rotate synchronously with the sterilized wet tissues 7, and the length of the sterilized wet tissues is equal to the arc length traveled by a certain point on the circumference of the measuring shaft, i.e., the length of the sterilized wet tissues traveled is measured according to the angular displacement of the measuring shaft.

In the above embodiments, the angular displacement of the ranging shaft may be obtained using a magnetic induction sensor or an encoder. Taking a magnetic induction sensor as an example, as shown in fig. 20, a rotating piece 84A embedded in the upper case 711 is installed at the shaft end of the

first guide shaft

77A, 1 metal block 84B is provided at the eccentric position of the rotating piece 84A, and the rotating piece 84A is made of a non-metal material. The rotating piece 84A rotates in synchronization with the first guide shaft 77A. Correspondingly, as shown in fig. 23, a metal inductive sensor 84C is provided on the upper plate 612 of the bracket 61. The metal induction sensor 84C is used for sensing the metal block 84B and counting, correspondingly measuring the number of the rotation turns of the first guide shaft 77A, and combining the diameter of the first guide shaft 77A to obtain the running length of the sterilized wet tissue.

The utility model discloses door handle disinfecting equipment, for realizing automatic control and intellectuality, with be equipped with a plurality of sensors and controller. In order to obtain a trigger signal for disinfecting the door handle disinfecting equipment, a pressure sensor can be arranged in the handle to sense whether the handle is stressed or not; a position sensor can be arranged below the handle to sense whether the handle is pressed downwards; a sensor such as a laser sensor and a proximity switch can also be arranged between the door leaf where the handle is arranged and the fixed door frame, and the opening or closing signal of the door leaf is used as a trigger signal for disinfecting the door handle disinfecting equipment. Subsequently, the controller controls the motors to start or stop step by step.

When the handle is turned to the disinfection position, the handle can be in a vertical state in the shell; when the handle overturns to the initial position, the handle can be in a horizontal state outside the shell, can be controlled by a high-precision motor at the two positions, can also be monitored by a sensor, and transmits a detected signal to the controller to realize the control of the overturning position of the handle.

In some embodiments, the door handle sanitizer may also be provided with a sensor to monitor the angular position of the slot shaft of the sanitizer to facilitate easy replacement of the sanitizer cartridge. The disinfecting device can also be provided with a sensor for monitoring the running length of the disinfecting wet tissues so as to ensure that the completely new disinfecting wet tissues with enough length are used each time.

In some embodiments, the door handle disinfection apparatus may also be provided with a structure to dry the handle. For example, a fan and an air exhaust channel can be arranged in the shell, and after the handle is disinfected and before the handle is not turned back out of the shell, the handle can be blown by the fan to be dried and dried, and air is exhausted through the air exhaust channel. The air exhaust channel is generally in a closed state and is opened only when air exhaust is needed. A heating structure can also be arranged in the shell or the handle and used for warm drying of the handle.

In some embodiments, the door handle sanitizer may also have a display, and the controller includes a counter that displays the total number of wet wipes in the wet wipe cartridge, the number of used wipes, and the number of remaining wipes on the display. The control system of the door handle sterilizing equipment can also display information such as whether the handle is in a sterilizing state, whether the handle is sterilized, whether a sterilizing wet tissue box needs to be replaced and the like on the display.

Following illustration, detailed introduction the utility model discloses a door handle disinfecting equipment's disinfection process, this door handle disinfecting equipment have two handles, correspondingly, and handle door, handle door opening mechanism and handle rotation driving device etc. all are equipped with two sets, control and disinfection process to it respectively alone.

(1) Handle in service behavior is monitored. After the handle is monitored to be used, the handle finishes a pressing action, and a detection signal is transmitted to the controller.

(2) And opening the handle door. The controller can control the handle door opening mechanism which is positioned in the first side plate of the shell and on the same side with the handle to execute the opening action of the handle door after the preset interval time after the handle is detected and the door leaf is detected to be closed.

Due to the plurality of linkage structures of the foregoing embodiment, the action of executing the lever handle door opening action that can be triggered in time sequence includes: the bracket and the disinfection wet tissue box are unlocked and moved (so as to avoid the turning track of the handle and flash the disinfection position), and the door opening action of the disinfection wet tissue box sealing door is realized.

(3) The handle is turned over to the sterilization position. After the actions are finished, the controller controls the handle to turn to the disinfection position by controlling the handle rotation driving device.

(4) The handle door is closed, and the rotating handle of the handle rotates to complete the disinfection process. After the actions are finished, the controller controls the handle to be closed through the corresponding driving mechanism and controls the handle to rotate through the handle rotating and driving device so as to complete all-directional disinfection.

(5) The handle door is opened, the handle is turned over to the outside of the shell, and the handle door is closed. After the disinfection is completed. The controller completes the actions of opening the handle door, turning the handle back to the outside of the shell, closing the handle door and the like through the corresponding driving mechanism. Before the step, a drying step of the handle can also be included.

(6) The sterilized wet tissues are driven to rotate so as to replace the new unused sterilized wet tissues. This step may be interchanged with step 5 or performed simultaneously.

The door handle disinfection equipment provided by the embodiment of the utility model is suitable for door leaves in various public places and household places, in particular suitable for hospitals, especially for the places of infectious disease hospitals.

The utility model discloses door handle disinfecting equipment's structure is comparatively compact, and whole size is less, can conveniently set up on the door leaf of various application scenes.

Features that are described and/or illustrated with respect to one embodiment may be used in the same way or in a similar way in one or more other embodiments and/or in combination with or instead of the features of the other embodiments.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the present invention, and it will be apparent to those skilled in the art that various modifications and variations can be made in the embodiments of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A door handle disinfection device, comprising a housing and at least one handle extending from the housing, wherein a first side plate of the housing from which the handle extends has a passage;

the door handle disinfection equipment also comprises a handle turning device, a handle rotation driving device and a disinfection device which are arranged in the shell;

the handle turning device is used for turning the handle into the shell through a channel before the handle needs to be disinfected and turning the handle out of the shell through the channel after disinfection is finished;

the handle rotation driving device is used for driving the handle to rotate;

the disinfection device is used for disinfecting the handle.

2. The door handle sanitizer according to claim 1, wherein the handle turning device comprises:

the supporting seat is fixed in the shell, and an inward concave part is arranged at the upper part of the supporting seat;

the turning shaft is sleeved on one side of the handle in the shell, and one end of the turning shaft is installed on the concave part of the supporting seat;

and the handle overturning driving mechanism is used for driving the overturning shaft to rotate on the supporting seat so as to drive the handle to overturn.

3. The door handle sanitizer according to claim 2, wherein the handle comprises:

the rotating handle is hollow inside;

the sleeve shaft and the handle inner shaft penetrate through the rotating handle, and one end of the handle inner shaft is fixedly connected with the rotating handle so as to keep synchronous rotation.

4. The door handle sanitizer according to claim 3, wherein the handle-turn drive mechanism comprises a first motor, a drive gear, and a driven gear coaxially mounted with the turn shaft, wherein an arcuate slot is provided on a side of the driven gear facing the turn shaft, the turn shaft is provided with a pin hole corresponding to a position of the arcuate slot, and the arcuate slot is pinned to the pin hole.

5. The door handle sterilizing apparatus as claimed in claim 4, wherein the arc length of the arc-shaped groove of the driven gear is greater than the diameter of the pin hole of the turning shaft, wherein both end portions of the arc-shaped groove are respectively used for driving the turning shaft to turn to the sterilizing position or the initial position in a state that the driven gear is rotated.

6. The door handle sanitizer according to claim 5, wherein an unlocking mechanism is further provided in the housing of the door handle sanitizer, and comprises a lock cylinder bracket, a shift fork disc and a latch shaft, wherein the lock cylinder bracket is used for mounting the tumbler shaft and the latch shaft; a first shifting fork is arranged on the shifting fork disc, and the shifting fork disc is fixedly connected with the turnover shaft to keep synchronous rotation; and the lock bolt shaft is provided with a second shifting fork and a lock bolt, and the lock bolt retracts under the condition that the second shifting fork is shifted by the first shifting fork so as to complete unlocking.

7. The door handle sanitizer according to claim 6, wherein the turning shaft includes a first shaft section and a second shaft section, wherein the first shaft section is mounted in the bearing chamber of the support base, and a stepped hole perpendicular to the second shaft section is formed in a middle portion of the first shaft section and used for mounting the handle; the second shaft section is used for being connected with a shifting fork disc of the unlocking mechanism.

8. The door handle sanitizer according to claim 7, wherein the support base has a retaining groove formed on a peripheral side of the bearing chamber, and the support base further has a vertical through hole formed at a bottom of the bearing chamber.

9. The door handle sanitizer according to claim 8, wherein the inner handle shaft of the handle is fitted at the stepped hole of the first shaft section of the turning shaft, and the inner handle shaft has a flat end portion extending beyond the turning shaft, the flat end portion having two parallel flat surfaces to be engaged in the retaining groove of the support base.

10. The door handle sanitizer according to claim 3, wherein the handle rotation drive means comprises a second motor, a drive bevel gear, a driven bevel gear, and a handle rotation drive shaft;

the extension shaft of the second motor is connected with the driving bevel gear, the driven bevel gear is installed on the handle rotating driving shaft, and the driven bevel gear and the driving bevel gear are assembled;

the handle rotating driving shaft is also arranged at the position of the through hole of the supporting seat in a penetrating mode, one end, far away from the driven bevel gear, of the handle rotating driving shaft is a groove end portion, and the groove end portion is used for being in butt joint with a platform end portion of the inner shaft of the handle.