CN215717893U - Lock for public washroom and public washroom - Google Patents

Abstract

The utility model provides a lock for a public washroom, which comprises a shell, a lock plate and a driving piece, wherein the lock plate is arranged on the shell; the shell is used for being fixed on the inner wall of the opening side of the door panel, the first side wall is flush with the opening side edge of the door panel, and a lock hole communicated with the inner cavity of the shell is formed in the first side wall; the locking plate comprises a connecting part horizontally connected in the shell in a sliding way and a bolt part horizontally arranged in the lock hole in a penetrating way; the driving piece is rotatably connected to a second side wall of the shell, which is far away from the door plate, one end of the driving piece penetrates into the shell and is connected with the connecting part, and the other end of the driving piece is positioned outside the shell and is provided with an operating handle; when driving piece drive connecting portion horizontal slip, the spring bolt portion stretches out outside the casing and stretch out the distance between end and the first side wall and be 3 ~ 5mm under the drive of connecting portion. The lock for the public washroom provided by the utility model is reliable in locking state and long in service life. The utility model also provides a public toilet adopting the lockset for the public toilet.

Description

Lock for public washroom and public washroom

Technical Field

The utility model belongs to the technical field of public toilets, and particularly relates to a lockset for a public toilet and the public toilet.

Background

The prior telescopic structure realizes the locking of the door panel by the fact that the bolt is required to extend out and then abut against the inner wall of a door frame, and the telescopic action of the bolt is realized by the driving of a swing rod in a lock body, so that the larger stroke of the bolt extension and retraction (the whole size of the lockset is required to be increased) is difficult to realize on the small-size telescopic gargle lock, and the door panel switching frequency of the public washroom is high, the phenomenon of gap increase between door plant and the door frame appears easily to lead to the spring bolt to stretch out the back and the length that the door frame inner wall leaned on reduces, when someone pulls the door plant outward, make the spring bolt directly follow door frame edge slippage and open the door plant easily, and open the process spring bolt can fish tail or damage the door frame, thereby lead to the maintenance cost increase of public health room, the unable normal condition of locking of door plant can appear even after the gap increase, consequently, the locking stability of the telescopic type mixed lock still remains to be improved under the condition that does not increase the lock body size.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model provides a lock for a public washroom, and aims to solve the problems of poor locking stability and high maintenance cost of the current public washroom.

In order to achieve the purpose, the utility model adopts the technical scheme that: in a first aspect, a lock for public toilets is provided, which comprises a shell, a lock plate and a driving piece; the shell is used for being fixed on the inner wall of the opening side of the door panel, the first side wall is flush with the opening side edge of the door panel, and a lock hole communicated with the inner cavity of the shell is formed in the first side wall; the locking plate comprises a connecting part horizontally connected in the shell in a sliding way and a bolt part horizontally arranged in the lock hole in a penetrating way; the driving piece is rotatably connected to a second side wall of the shell, which is far away from the door plate, one end of the driving piece penetrates into the shell and is connected with the connecting part, and the other end of the driving piece is positioned outside the shell and is provided with an operating handle; when the driving piece drives the connecting part to horizontally slide, the bolt part is driven by the connecting part to have an unlocking state close to the first side wall and a locking state far away from the first side wall; when the unlocking state, the distance that the spring bolt portion stretches out outside the shell and between the end and the first side wall is 3-5 mm, and when the locking state, the spring bolt portion stretches out to lean on with the door frame inner wall of public health room, and stretches out the distance between end and the first side wall and be greater than 15 mm.

With reference to the first aspect, in a possible implementation manner, a horizontally extending guide groove is formed in an inner wall of the second side wall, and the connecting portion is slidably connected in the guide groove.

In some embodiments, the guide groove is formed by two ribs which are arranged on the second side wall at intervals up and down; the connecting part is in sliding abutting contact with the two ribs and is provided with a guide plate which is suitable for being embedded between the two ribs, and the upper side wall and the lower side wall of the guide plate are in sliding abutting contact with the corresponding side walls of the two ribs respectively; the penetrating end of the driving piece is provided with a pressing part which slides and presses on the side wall of the connecting part deviating from the second side wall.

Illustratively, two stop blocks are arranged on the side wall of the connecting part, which is away from the second side wall, at intervals; the driving piece comprises a rotating shaft and a swinging arm; the rotating shaft vertically penetrates through the second side wall and is rotationally connected with the second side wall, and an operating handle is sleeved at the position of the rotating shaft, which is positioned outside the shell; one end of the swing arm is sleeved at the part of the rotating shaft penetrating into the shell, the other end of the swing arm extends to a position between the two stop blocks, and the pressing part is an extending end of the swing arm; wherein, when the unblock state, the pressing part with keep away from the dog butt of the edge of opening side of door plant, when the locking state, pressing part and another dog butt.

For example, an insertion hole extending along the axial direction is formed in one end of the rotating shaft extending into the casing, and the insertion hole is used for inserting and connecting a rotating shaft of a state display board arranged on the outer wall of the door panel.

In some embodiments, one end of the pressing portion, which is away from the rotating shaft, is arc-shaped, and the side walls of the two stoppers, which are close to each other, are provided with magnets.

With reference to the first aspect, in one possible implementation, the housing includes an outer shell and an inner cover; wherein, one side of the shell is open, and the lock hole, the lock plate and the driving piece are all arranged on the shell; the inner cover is fitted to the open side of the housing.

In some embodiments, a plurality of connecting columns are integrally formed on the inner wall of the shell, the end walls of the connecting columns are provided with pre-riveting sleeves, and rib plates are integrally formed between the side walls and the side wall of the shell; the inner cover is provided with a plurality of through holes corresponding to the pre-riveting sleeves respectively, and the pre-riveting sleeves penetrate through the through holes and are fixedly riveted.

Illustratively, the operating handle is triangular, wherein two corners are respectively provided with arrow marks facing opposite directions, and the outer wall of the second side wall is provided with an indication mark point, and when in an unlocking state, one arrow mark is aligned with the indication mark point, and when in a locking state, the other arrow mark is aligned with the indication mark point.

The lock for the public washroom provided by the utility model has the beneficial effects that: compared with the prior art, the lock for the public washroom has the advantages that when in an unlocking state, the lock tongue part can extend out of the first side wall by 3-5 mm, so that the lock tongue part is positioned in the gap range between the opening side of the door plate and the door frame, the door plate can be ensured to be normally opened, when a person in the washroom drives the connecting part by rotating the operating handle and further drives the lock tongue part to extend out to a locking state, the distance between the extending end of the lock tongue part and the first side wall is more than 15mm, so that the lock tongue part and the inner wall of the door frame have the abutting length of at least 10mm, the locking reliability of the door plate is ensured, the gap between the door plate and the door frame when the door plate is closed can be offset by the length of the lock tongue part extending out of the first side wall when in the locking state, the locking reliability of the door plate is improved under the condition that the telescopic stroke of the lock tongue part is not increased, and the reliable locking can be realized when the gap between the door plate and the door frame is slightly increased, therefore, the maintenance frequency of the public washroom can be reduced, and the maintenance cost is reduced.

In a second aspect, the embodiment of the utility model further provides a public washroom, which comprises the lock for the public washroom, and has the same beneficial effects as the lock for the public washroom.

Drawings

Fig. 1 is a schematic perspective view of a lock for a public washroom according to an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a lock for a public washroom according to an embodiment of the present invention in an unlocked state;

FIG. 3 is a schematic structural diagram of a lock for a public washroom according to an embodiment of the present invention in a locked state;

FIG. 4 is a schematic view of an internal structure of a lock for a public washroom according to an embodiment of the present invention;

FIG. 5 is a schematic view of a connection structure of a connection portion of a lock plate according to an embodiment of the present invention;

FIG. 6 is a schematic partial structural view of a public washroom provided in an unlocked state according to an embodiment of the present invention;

fig. 7 is a partial structural schematic view of a public washroom provided by an embodiment of the utility model in a locked state.

In the figure: 1. a housing; 11. a housing; 12. an inner cover; 110. a guide groove; 111. ribs; 112. connecting columns; 1121. pre-riveting a sleeve; 113. a rib plate; 114. indicating punctuation; 2. a locking plate; 21. a connecting portion; 211. a stopper; 2111. a magnet; 212. a guide plate; 22. a lock tongue portion; 3. a drive member; 30. an operating handle; 301. an arrow mark; 31. a rotating shaft; 311. inserting holes; 32. swinging arms; 321. a pressing part; 4. a door panel; 40. a mounting gap; 5. a door frame.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

It should be understood that the public washroom is assembled by using partition boards, a front panel of the partition board is provided with an opening suitable for installing a door panel, and the edge of the opening is a door frame in this embodiment.

Referring to fig. 1 to 7 together, the lock for public washrooms according to the present invention will now be described. The lock for the public washroom comprises a shell 1, a lock plate 2 and a driving piece 3; the shell 1 is used for being fixed on the inner wall of the opening side of the door panel 4, the first side wall is flush with the opening side edge of the door panel 4, and a lock hole communicated with the inner cavity of the shell 1 is formed in the first side wall; the locking plate 2 comprises a connecting part 21 horizontally connected in the shell 1 in a sliding way and a bolt part 22 horizontally arranged in the lock hole in a penetrating way; the driving piece 3 is rotatably connected to a second side wall of the shell 1 far away from the door panel 4, one end of the driving piece penetrates into the shell 1 and is connected with the connecting part 21, and the other end of the driving piece is positioned outside the shell 1 and is provided with an operating handle 30; when the driving element 3 drives the connecting part 21 to horizontally slide, the bolt part 22 is driven by the connecting part 21 to have an unlocking state close to the first side wall and a locking state far away from the first side wall; when the unlocking state, the bolt part 22 extends out of the shell 1, the distance between the extending end and the first side wall is 3-5 mm, when the locking state is realized, the bolt part 22 extends out to abut against the inner wall of the door frame 5 of the public toilet, and the distance between the extending end and the first side wall is larger than 15 mm.

The sliding connection between the connecting portion 21 and the housing 1 can be achieved by providing a sliding slot inside the housing 1 for the connecting portion 21 to penetrate through, and the driving action of the driving member 3 on the connecting portion 21 can be achieved by providing a rack and pinion between the portion of the driving member 3 penetrating into the housing 1 and the connecting portion 21, or by providing a driving lever extending along the radial direction of the driving member 3 at the penetrating end of the driving member 3, so as to connect the driving lever with the connecting portion 21, thereby generating the driving force for the connecting portion 21 by the swinging of the driving lever.

The working principle of the lock for the public washroom provided by the embodiment is as follows: firstly, it should be noted that after the assembly of the public washroom is completed, an installation gap 40 of 3-5 mm is usually formed between the opening side of the door panel 4 and the door frame 5, and the installation gap 40 is slowly increased after long-term use, and needs to be repaired and corrected when the installation gap is increased to affect the normal use of the public washroom; when the lock is installed, flexible operation is required according to the actual situation of the installation gap 40, for example, if the length of the bolt portion 22 extending out of the first side wall in the unlocked state is 5mm (preferred), and the installation gap 40 is only 3mm, then the distance between the first side wall and the edge of the door panel 4 should be 2mm in the installation housing 1, so as to ensure that the bolt portion 22 does not contact the door frame 5 in the unlocked state, and ensure that the door panel 4 is smoothly opened and closed, at this time, when the door panel 4 is closed and the bolt portion 22 is placed in the locked state, the distance between the extending end of the bolt portion 22 and the first side wall is greater than 15mm, so that the abutting length between the bolt portion 22 and the inner wall of the door frame 5 is at least 10mm, that is, the length of the bolt portion 22 extending out of the housing 1 in the actual state when the unlocked state is changed into the locked state can be used for abutting and locking with the inner wall of the door frame 5, compared with the prior art that the bolt is completely retracted into the housing 1 in the unlocked state, the installation gap 40 can be offset by the extension length of the bolt part 22 in the unlocking state, so that the contact length of the bolt part 22 and the inner wall of the door frame 5 in the locking state can be increased without increasing the stroke of the bolt part 22; in addition, the purpose of the 5mm protruding of the unlocked state latch portion 22 is preferably to make it possible to use the same for the 3-5 mm installation gap 40.

Compared with the prior art, the lock for the public washroom provided by the embodiment has the advantages that in the unlocking state, the bolt part 22 can extend out of the first side wall by 3-5 mm, so that the bolt part is positioned in the range of the installation gap 40 between the opening side of the door panel 4 and the door frame 5, the door panel 4 can be ensured to be normally opened, when a toilet worker rotates the operating handle 30 in the public washroom to drive the connecting part 21 and further drive the bolt part 22 to extend out to the locking state, the distance between the extending end of the bolt part 22 and the first side wall is larger than 15mm, so that the bolt part 22 and the inner wall of the door frame 5 have the abutting length of at least 10mm, the locking reliability of the door panel 4 is ensured, the installation gap 40 between the door panel 4 and the door frame 5 when the door panel 4 is closed can be offset by the length of the bolt part 22 extending out of the first side wall in the locking state, and the locking reliability of the door panel 4 is improved under the condition that the expansion stroke of the bolt part 22 is not increased, and reliable locking can be achieved even when the installation gap 40 between the door panel 4 and the door frame 5 is slightly increased, so that the maintenance frequency of the public washroom can be reduced, and the maintenance cost can be reduced.

In some embodiments, referring to fig. 4, the inner wall of the second sidewall is provided with a horizontally extending guide groove 110, and the connecting portion 21 is slidably connected in the guide groove 110. The sliding direction of the connecting part 21 is limited by the guide groove 110, so that the horizontal extension and contraction of the locking tongue part 22 are realized, and the structure is simple and reliable.

Specifically, as a modified embodiment of the guide groove 110, please refer to fig. 4 and 5, the guide groove 110 is defined by two ribs 111 disposed on the second sidewall at intervals up and down; the connecting part 21 is slidably pressed against the two ribs 111, and is provided with a guide plate 212 which is suitable for being embedded between the two ribs 111, and the upper side wall and the lower side wall of the guide plate 212 are respectively in sliding contact with the corresponding side walls of the two ribs 111; the penetrating end of the driving member 3 is provided with a pressing portion 321 which is slidably pressed against the side wall of the connecting portion 21 departing from the second side wall. Two ribs 111 can adopt integrated into one piece's mode to set up on the inner wall of second lateral wall, thereby reduction in production cost, utilize the slide conflict restriction connecting portion 21's of deflector 212 and two ribs 111 slip direction, utilize the end of penetrating of driving piece 3 to support the connecting plate and press on two ribs 111 simultaneously, when connecting portion 21 slides, only need overcome the frictional force on rib 111, because rib 111 is bar structure, little with connecting portion 21 area of contact, therefore frictional force is little, thereby can improve connecting portion 21's smooth and easy nature that slides, the operation is light and flexible.

In some possible implementations, referring to fig. 4, two stoppers 211 are spaced apart from each other on a side wall of the connecting portion 21 away from the second side wall; the driving member 3 comprises a rotating shaft 31 and a swinging arm 32; the rotating shaft 31 vertically penetrates through the second side wall and is rotatably connected with the second side wall, and an operating handle 30 is sleeved at the position, located on the outer side of the shell 1, of the rotating shaft 31; one end of the swing arm 32 is sleeved at the part of the rotating shaft 31 penetrating into the housing 1, the other end extends to between the two stoppers 211, and the pressing part 321 is an extending end of the swing arm 32; in the unlocked state, the pressing portion 321 abuts against the stopper 211 away from the opening side edge of the door panel 4, and in the locked state, the pressing portion 321 abuts against the other stopper 211. The rotating shaft 31 rotates to drive the swing arm 32 to swing, and the swing end of the swing arm 32 pushes the stopper 211, so that the connection part 21 slides, and the structure is simple and stable.

For some requirements for indicating the use state of the public washroom externally, a state display board connected with an internal lock is usually arranged on the outer wall of the door panel 4, and the state display board is driven to rotate by a rotating shaft 31 of the lock, so that a corresponding display of a 'use' or 'idle' identification icon or character on the state display board is realized, therefore, in some embodiments, referring to fig. 1 and 4, an insertion hole 311 extending along the axial direction of the rotating shaft 31 is arranged at one end of the rotating shaft extending into the casing 1, and a rotating shaft connected with the state display board arranged on the outer wall of the door panel 4 is arranged in the insertion hole 311. When the connection state display board needs to be installed, the rotating shaft of the state display board penetrates through the door panel 4 and is inserted into the insertion hole 311 (which can be preferably a square hole or a flat hole), so that the rotating shaft 31 drives the state display board to rotate, the structure is simple, and the use is flexible and convenient.

In some embodiments, as shown in fig. 4, an end of the pressing portion 321 away from the rotating shaft 31 is a circular arc, and the side walls of the two stoppers 211 close to each other are both provided with a magnet 2111. Because the pressing portion 321 needs to have relative sliding with the corresponding stopper 211 in the process of swinging around the rotating shaft 31, the end portion of the pressing portion 321 away from the rotating shaft 31 is in an arc-shaped structure, so that the relative sliding smoothness between the pressing portion 321 and the stopper 211 is improved, the pressing portion 321 is made of special materials, or an iron adsorption block is embedded at one end of the pressing portion 321 away from the rotating shaft 31, and the pressing portion 321 can be adsorbed by the corresponding magnet 2111 in an unlocking state or a locking state, so that the stability of the unlocking state and the locking state is improved.

In some possible implementations, referring to fig. 1 and 4, the housing 1 includes an outer shell 11 and an inner cover 12; wherein, one side of the shell 11 is open, and the lock hole, the lock plate 2 and the driving piece 3 are all arranged on the shell 11; the inner lid 12 is fitted to the open side of the housing 11. The shell 1 adopts a split structure form, and the assembly of the locking plate 2 and the driving piece 3 is convenient.

Specifically, in this embodiment, referring to fig. 4, a plurality of connecting columns 112 are integrally formed on the inner wall of the housing 11, a pre-riveting sleeve 1121 is arranged on an end wall of each connecting column 112, and a rib plate 113 is integrally formed between the side wall and the side wall of the housing 11; a plurality of through holes respectively corresponding to the pre-riveting sleeves 1121 are formed in the inner cover 12, and the pre-riveting sleeves 1121 penetrate through the through holes and are fixedly riveted. When the inner cover 12 is pressed against the end wall of each connecting post 112, the pre-riveting sleeve 1121 penetrates through the through hole, the inner cover 12 is fixedly connected with the outer shell 11 through the pre-riveting sleeve 1121, and the assembly is simple and stable; the connecting column 112 is connected with the side wall of the shell 11 through the rib plate 113 which is integrally formed, so that the structural strength of the shell 11 can be improved, and the deformation is avoided.

Illustratively, referring to fig. 2 and 3, the handle 30 is triangular, wherein two corners are respectively provided with oppositely facing arrow marks 301, and the outer wall of the second side wall is provided with indicating marks 114, one of the arrow marks 301 is aligned with the indicating mark 114 in the unlocking state, and the other arrow mark 301 is aligned with the indicating mark 114 in the locking state. The corresponding arrow mark 301 can be provided with opening and closing characters to remind an operator of the rotating direction of the operating handle 30 when the door panel 4 needs to be opened or locked, so that the error rate of opening and closing operations of the operator is reduced, the damage probability of the lockset is reduced, and the service life is prolonged.

Based on the same inventive concept, referring to fig. 1 to 7, the embodiment of the present application further provides a public washroom, which includes a washroom body, and the lock for the public washroom. Due to the adoption of the lockset for the public washroom, when in an unlocking state, the bolt part 22 can extend out of the first side wall by 3-5 mm, so that the bolt part is positioned in the range of an installation gap 40 between the opening side of the door panel 4 and the door frame 5, the door panel 4 can be ensured to be normally opened, when a person in the public washroom rotates the operating handle 30 to drive the connecting part 21 and further drive the bolt part 22 to extend out to a locking state, the distance between the extending end of the bolt part 22 and the first side wall is more than 15mm, so that the bolt part 22 and the inner wall of the door frame 5 have the abutting length of at least 10mm, the locking reliability of the door panel 4 is ensured, the installation gap 40 between the door panel 4 and the door frame 5 when the door panel 4 is closed can be offset by the length of the bolt part 22 extending out of the first side wall when in the locking state, and the locking reliability of the door panel 4 is improved under the condition that the extension stroke of the bolt part 22 is not increased, and reliable locking can be achieved even when the installation gap 40 between the door panel 4 and the door frame 5 is slightly increased, so that the maintenance frequency of the public washroom can be reduced, and the maintenance cost can be reduced.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. A lock for a public washroom, comprising:

the door comprises a shell, a first side wall and a second side wall, wherein the shell is used for being fixed on the inner wall of the opening side of a door panel, the first side wall is flush with the opening side edge of the door panel, and the first side wall is provided with a lock hole communicated with the inner cavity of the shell;

the lock plate comprises a connecting part horizontally connected in the shell in a sliding manner and a lock tongue part horizontally arranged in the lock hole in a penetrating manner;

the driving piece is rotatably connected to a second side wall, far away from the door plate, of the shell, one end of the driving piece penetrates into the shell and is connected with the connecting part, and the other end of the driving piece is located on the outer side of the shell and is provided with an operating handle;

when the driving piece drives the connecting part to horizontally slide, the lock tongue part is driven by the connecting part to have an unlocking state close to the first side wall and a locking state far away from the first side wall; when the door is unlocked, the bolt part extends out of the shell, the distance between the extending end and the first side wall is 3-5 mm, when the door is locked, the bolt part extends to abut against the inner wall of the door frame of the public toilet, and the distance between the extending end and the first side wall is larger than 15 mm.

2. A restroom lock as defined in claim 1, wherein the second side wall has a horizontally extending guide slot formed in an inner wall thereof, and the connecting portion is slidably coupled to the guide slot.

3. A lock for a public washroom as claimed in claim 2, wherein the guide groove is defined by two ribs provided on the second side wall at an interval from top to bottom; the connecting part is in sliding abutting contact with the two ribs and is provided with a guide plate suitable for being embedded between the two ribs, and the upper side wall and the lower side wall of the guide plate are in sliding abutting contact with the corresponding side walls of the two ribs respectively; the penetrating end of the driving piece is provided with a pressing part which is slidably pressed on the side wall of the connecting part deviating from the second side wall.

4. A restroom lock as defined in claim 3, wherein the side wall of the connecting portion facing away from the second side wall is provided with two spaced stops; the driving member includes:

the rotating shaft vertically penetrates through the second side wall and is rotationally connected with the second side wall, and the operating handle is sleeved at the position, located on the outer side of the shell, of the rotating shaft;

one end of the swing arm is sleeved at the part of the rotating shaft penetrating into the shell, the other end of the swing arm extends to a position between the two stop blocks, and the pressing part is an extending end of the swing arm;

when the door panel is in the unlocking state, the pressing part is abutted against the stop block far away from the opening side edge of the door panel, and when the door panel is in the locking state, the pressing part is abutted against the other stop block.

5. A lock for a public washroom as claimed in claim 4, wherein the end of the shaft extending into the interior of the housing is provided with an insertion hole extending in the axial direction thereof, the insertion hole being adapted to be inserted into a rotary shaft of a status display board provided on the outer wall of the door panel.

6. The lock for public washroom as claimed in claim 4, wherein the end of the pressing portion away from the rotating shaft is arc-shaped, and the side walls of the two stoppers adjacent to each other are provided with magnets.

7. A public washroom lock as claimed in claim 1, wherein the housing comprises:

the lock hole, the lock plate and the driving piece are all arranged on the shell;

and an inner cover fitted to the open side of the housing.

8. The lock for public toilets according to claim 7, wherein a plurality of connecting columns are integrally formed on the inner wall of the shell, the end walls of the connecting columns are provided with pre-riveting sleeves, and rib plates are integrally formed between the side walls and the side walls of the shell; the inner cover is provided with a plurality of through holes corresponding to the pre-riveting sleeves respectively, and the pre-riveting sleeves penetrate through the through holes and are fixedly riveted.

9. A restroom lock as defined in any one of claims 1-8, wherein said operating handle is triangular in shape with oppositely directed arrow marks at each of two corners and indicating points on the outer wall of said second side wall, one of said arrow marks being aligned with said indicating points in said unlocked position and the other of said arrow marks being aligned with said indicating points in said locked position.

10. A public washroom comprising a lavatory lock according to any one of claims 1 to 9.

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