CN111622607A - Dust cover and lock assembly with same - Google Patents
Dust cover and lock assembly with same Download PDFInfo
- Publication number
- CN111622607A CN111622607A CN201910148763.3A CN201910148763A CN111622607A CN 111622607 A CN111622607 A CN 111622607A CN 201910148763 A CN201910148763 A CN 201910148763A CN 111622607 A CN111622607 A CN 111622607A
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- CN
- China
- Prior art keywords
- lock
- cover
- dust
- dust cover
- cap
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B17/00—Accessories in connection with locks
- E05B17/14—Closures or guards for keyholes
- E05B17/18—Closures or guards for keyholes shaped as lids or slides
- E05B17/183—Closures or guards for keyholes shaped as lids or slides pivoting outwardly
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
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- Casings For Electric Apparatus (AREA)
Abstract
The invention relates to a dust cover and a lockset component with the dust cover; the dustproof cover comprises a cover body, a connecting part and a fixing ring, wherein one side surface of the cover body protrudes to form an embedded ring wall to penetrate through a key hole of the lockset; two ends of the connecting part are respectively connected with the dustproof cover and the fixing ring; the outer wall surface of the lock is provided with a mounting ring groove and a door plate abutting part, the mounting ring groove is positioned between an opening of a key hole of the lock and the door plate abutting part, the lock is tightly abutted and mounted on the door plate through the door plate abutting part, the dustproof cover is sleeved in the mounting ring groove of the lock head through a fixing ring, and the fixing ring cannot be contacted with or tightly abut against the door plate and can freely rotate; therefore, the rotatable dustproof cover is convenient to mount and use; the dust cover is easy to replace when damaged; the appearance of the dustproof cover can be thinned, and the distance of the lockset protruding out of the door plate is short, so that the dustproof cover looks more attractive.
Description
Technical Field
The invention relates to a dust cover of a lock, in particular to a dust cover of a plum blossom lock and a lock assembly with the dust cover.
Background
The existing lockset needs to reserve a key hole at a lock head, so that foreign matters such as dust, rainwater and the like can easily enter the lockset through the key hole, the lockset is not smooth in action, and the service life of the lockset is influenced; especially, the hollow plum blossom lock in the existing lock is more susceptible to the invasion of foreign matters because the area of the key hole is larger than that of the common lock; to solve this problem, the existing businessman designs the shield at present, and the shield is connected the tool to lock and can seal the key hole to avoid the foreign matter invasion, specifically, the shield has two kinds of forms:
first, the metal dust cover 91 (shown in fig. 9 and 10): the fixing ring 911 of the metal dust cover 91 is clamped between the door panel 92 and the lock 93 of the lock, the cover 912 of the metal dust cover 91 is pivoted with the fixing ring 911, and the torsion spring 913 drives the cover 912 to rotate towards the lock 93 of the lock, so as to ensure that the cover 912 can be really closed to cover the keyhole; however, when the metal dust cap 91 is used, one hand is required to abut against the cap 912 to keep open, and the other hand is required to perform the unlocking operation.
Second, rubber dust cover 95 (shown in fig. 11): the rubber dust cover 95 is also clamped between the door plate and the lock head 93 of the lock by a fixing ring 951, and the cover body 952 and the fixing ring 951 are respectively connected to two ends of the strip-shaped connecting portion 953; because the strength of the rubber material is weak, the thickness of the fixing ring 951 must be thicker to maintain sufficient strength, so that after the rubber dust cover 95 is installed on the lockset, the lock head 93 obviously protrudes out of the door panel due to the thickness of the fixing ring 951, and the appearance of the product is affected; in addition, the lock needs to be firmly fixed on the door panel, and the door panel is clamped by the lock through the fixing ring 951 of the rubber dust cover 95 and the nut, so the fixing ring 951 can be tightly abutted against the door panel, and thus the rubber dust cover 95 cannot rotate relative to the lock, and therefore the rubber dust cover 95 needs to be rotated to a correct angle during installation, so that the situation that the door panel is opened and closed due to interference between the cover body 952 of the rubber dust cover 95 and the door frame when the lock 93 is not covered is avoided, and the installation and the use of the rubber dust cover 95 are inconvenient; in addition, if the rubber dust cover 95 is broken and needs to be replaced, the lock 93 needs to be removed from the door panel for replacement, which is troublesome to maintain.
Therefore, the dust cap and the lock assembly with the dust cap in the prior art need to be improved.
Disclosure of Invention
In view of the foregoing disadvantages and drawbacks of the prior art, the present invention provides a dust cover and a lock assembly having the same for easy use and maintenance.
In order to achieve the above object, the present invention provides a dust cap, comprising:
a cover, comprising:
a cover plate;
a jogged annular wall which is formed on one side surface of the cover plate in a protruding way;
the connecting part is a strip shape capable of being bent, one end of the connecting part is connected with the cover plate, a first bending groove is concavely arranged on one side surface of the connecting part, and the first bending groove extends to two opposite side edges of the connecting part;
and the fixing ring is connected with the other end of the connecting part.
Furthermore, the dust cap, wherein the cap body further comprises a holding protrusion formed protruding from a side surface of the cover plate opposite to the engaging annular wall.
Furthermore, in the dust cap, the holding protrusion is formed at the periphery of the cap body, and the holding protrusion and the connecting portion are respectively located at two opposite sides of the cover plate.
Further, the dust cap has a plurality of separation grooves recessed in a top side of the engaging wall, the separation grooves extend from the top side of the engaging wall toward the cover plate, and the separation grooves are annularly spaced.
Further, the dust cap, wherein the engaging wall comprises: a tabling part connected with the cover plate; and the guide part is formed on one side of the embedding part opposite to the cover plate in a protruding mode, and the thickness of the guide part is gradually reduced towards the direction far away from the cover plate.
Further, in the dust cap, a direction in which the engaging annular wall protrudes from the cover plate is defined as a covering direction, and the first bending groove is disposed on a side surface of the connecting portion facing the covering direction.
Further, the bottom surface of the first bending groove of the connecting portion of the dust cap is further concavely provided with a second bending groove.
To achieve the above object, the present invention further provides a lock assembly with a dust cover, comprising:
the lock comprises a lock head, wherein one end of the lock head is concavely provided with a key hole; the outer wall surface of the lock head is concavely provided with a mounting ring groove in a surrounding way; a door plate abutting part protrudes from the outer wall surface of the lock head, and the mounting ring groove is positioned between the opening of the key hole and the door plate abutting part;
the fixing ring of the dust cover can be rotatably sleeved in the mounting ring groove of the lock head, and the embedded ring wall of the dust cover can be embedded in the key hole in a penetrating manner.
Further, the lock assembly with the dust cover, wherein the door panel abutting portion forms a side wall surface of the installation ring groove.
Further, the lock assembly with the dust cover is a quincuncial lock.
The invention has the advantages that the installation ring groove and the door plate abutting part are arranged on the lock head of the lock, the lock head is tightly abutted to the door plate through the door plate abutting part, and the dust-proof cover made of plastic is sleeved in the installation ring groove of the lock head through the fixing ring, so that the fixing ring can not be contacted with or tightly abut against the door plate, and the lock head can freely rotate in the installation ring groove, thereby having the following advantages:
first, the lock assembly with the dust cover of the present invention is tightly supported and mounted on the door plate through the door plate disposed on the lock head, and the fixing ring of the dust cover is not tightly supported on the door plate, so that the fixing ring of the dust cover is easily separated from the lock head, and is also easily sleeved and mounted in the mounting ring groove of the lock head, and therefore, the lock head does not need to be detached when the damaged dust cover is replaced, thereby saving time.
Secondly, the dust cover can rotate relative to the lock head, and is convenient to install and use.
Third, compared with the prior art that the dust cover is made of rubber materials and therefore has weaker strength, the thickness of the fixing ring needs to be thicker, the fixing ring of the dust cover is made of plastic materials and therefore has stronger structural strength and thinner thickness, and therefore, the lock head for arranging the fixing ring can be manufactured shorter, and the distance of the lock head protruding out of the door plate is shorter and more attractive.
Fourthly, the cover body of the dust cover in the prior art achieves the function of closing the key hole in a mode of coating the cover body on the outer wall surface of the lock head, so that the lock head needs to have a certain length to be stably coated and sleeved by the cover body, but the cover body of the dust cover is directly penetrated and fixed in the key hole of the lock head through the embedded annular wall, so that the length of the lock head does not influence the combination of the cover body, the length of the lock head can be made shorter, and the distance of the lock head protruding out of the door plate is further shortened, so that the dust cover is more attractive; in addition, the whole thickness of the cover body is thin, the area of the cover body can be reduced to be only slightly larger than the opening area of the key hole, and the effect of saving cost is achieved.
Drawings
The drawings are only for purposes of illustrating and explaining the present invention and are not to be construed as limiting the scope of the present invention. Wherein:
fig. 1 is a perspective view of a dust cap according to the present invention.
FIG. 2 is a side view of the dust cap of the present invention.
FIG. 3 is a front view of the dust cover of the present invention.
FIG. 4 is a rear view of the dust cover of the present invention.
FIG. 5 is a perspective view of a first embodiment of a latch assembly with a dust cover of the present invention.
FIG. 6 is an exploded view of the components of a first embodiment of the lock assembly with dust cover of the present invention.
FIG. 7 is an exploded view of components of a second embodiment of the lock assembly of the present invention having a dust cover.
FIG. 8 is a cross-sectional schematic view of a first embodiment of the lock assembly of the present invention having a dust cover.
Fig. 9 and 10 are schematic views illustrating the use of a lock with a metal dust cover according to the prior art.
Fig. 11 is a perspective view of a rubber dust cap of the prior art fitted to a lock.
Detailed Description
The technical means adopted by the invention to achieve the preset purpose are further described below by combining the accompanying drawings and the preferred embodiments of the invention.
Referring to fig. 1 to 4, the dust cap of the present invention includes a cap body 10, a connecting portion 20, a holding protrusion 30 and a fixing ring 40, and is made of plastic, and in this embodiment, the dust cap is made of high-strength engineering plastic to reduce the volume and prolong the service life, but not limited thereto.
The aforementioned lid 10 includes a lid 11 and a fitting annular wall 12, the fitting annular wall 12 is formed protruding from a side surface of the lid 11, and a direction in which the fitting annular wall 12 protrudes from the lid 11 is defined as a lid setting direction L1 (as shown in fig. 2); in this embodiment, the engaging ring wall 12 includes an engaging portion 121 and a guiding portion 122, the engaging portion 121 is connected to the cover plate 11, the guiding portion 122 is formed on a side of the engaging portion 121 opposite to the cover plate 11, and a thickness of the guiding portion 122 is gradually reduced toward a direction away from the cover plate 11, so that the engaging ring wall 12 can be easily inserted into the keyhole opening of the lock head by guiding the tapered top end of the guiding portion 122, and then the engaging portion 121 with a thicker thickness is used to enable the cover 10 to be stably inserted into the keyhole, but not limited thereto, a thickness of the engaging ring wall 12 may also be uniform; in the present embodiment, a plurality of separation grooves 123 are concavely provided on the top side of the fitting annular wall 12, the separation grooves 123 extend from the top side (outer end of the guide portion 122) of the fitting annular wall 12 toward the cover plate 11, and the separation grooves 123 are arranged at intervals around the circumference, so that the fitting annular wall 12 can be easily deformed by the separation grooves 123, and the fitting annular wall 12 can be easily inserted into the key hole.
The connecting portion 20 is a bendable strip, one end of the connecting portion 20 is connected to the periphery of the cover plate 11, a first bending groove 22 is concavely formed in one side surface of the connecting portion 20, and the first bending groove 22 extends to two opposite sides of the connecting portion 20; in this embodiment, a second bending groove 21 is further concavely disposed on a side surface of the connecting portion 20, the first bending groove 22 and the second bending groove 21 are both disposed on a side surface of the connecting portion 20 facing the cover setting direction L1, and the second bending groove 21 is formed on a bottom surface of the first bending groove 22, but the disposition positions of the first bending groove 22 and the second bending groove 21 are not limited thereto, and the connecting portion 20 can be easily bent and deformed only when the cover body 10 is pushed toward the cover setting direction L1, for example, the first bending groove 22 and the second bending groove 21 can also be disposed on two opposite side surfaces of the connecting portion 20 in the cover setting direction L1, respectively.
In the present embodiment, the holding protrusion 30 is protruded from a side surface of the cover 10 opposite to the engaging wall 12, and the holding protrusion 30 is protruded from a periphery of the cover 10, and the holding protrusion 30 and the connecting portion 20 are respectively located at two opposite sides of the cover 11, so that a user can pull the engaging wall 12 of the cover 10 out of a keyhole of the lock by grasping the holding protrusion 30, but the position of the holding protrusion 30 is not limited thereto, for example, the holding protrusion 30 may also be protruded from a center of a side surface of the cover 11 opposite to the engaging wall 12, and even the dust-proof cover may not have the holding protrusion 30, but separate the cover 10 from the lock by other means such as shape change of the cover 11.
The fixing ring 40 is connected to an end of the connecting portion 20 opposite to the cover 10, and the dust-proof cover can be sleeved on the lock through the fixing ring 40, so as to prevent the dust-proof cover from being completely separated from the lock and easily falling and lost.
Referring to fig. 5, 6 and 8, the first embodiment of the lock assembly with a dust cap of the present invention includes a lock head 50, a nut 60 and a dust cap as described above; the lock is installed on a door panel A.
In the present embodiment, the lock head 50 is a cylindrical quincuncial lock, and specifically, the lock head 50 is a hollow quincuncial lock, because the sectional area of the opening of the key hole 51 of the lock head 50 of the hollow quincuncial lock is larger than that of the opening of the key hole 51 of a general quincuncial lock, a dust-proof cover is more necessary to prevent foreign matters such as dust from entering the lock head 50 through the key hole 51, but the form of the lock head 50 is not limited to the quincuncial lock and the hollow quincuncial lock, and the present invention is also applicable to other types of lock heads;
a door plate abutting portion 52 protrudes from an outer wall surface of the lock head 50, in the embodiment, the door plate abutting portion 52 surrounds the axis of the cylindrical lock head 50 for one circle, but not limited thereto, the door plate abutting portion 52 may also be a plurality of bumps, and the like, and only needs to abut against the door plate; the outer wall surface of the lock head 50 is annularly and concavely provided with a mounting ring groove 53, and the mounting ring groove 53 is positioned between the opening of the key hole 51 and the door plate abutting part 52; in the embodiment, the mounting ring groove 53 is adjacent to the door plate abutting portion 52, and the door plate abutting portion 52 forms a side wall surface of the mounting ring groove 53, so as to shorten the overall length of the lock head 50, but not limited thereto, the door plate abutting portion 52 and the mounting ring groove 53 may also be disposed at an interval;
in the present embodiment, the lock head 50 includes a panel section 501 and a mounting section 502, the opening of the key hole 51, the mounting ring groove 53 and the door plate abutting portion 52 are located on the panel section 501, and the outer wall surface of the mounting section 502 has an external thread; when the lock is installed on the door panel a, the installation section 502 of the lock head 50 penetrates through the door panel, and the nut 60 is screwed into the installation section 502, so that one side surface of the nut 60 and the door panel abutting part 52 of the lock head 50 respectively abut against the two opposite side surfaces of the door panel a, so as to stably install the lock on the door panel a, but the mode of installing the lock on the door panel a is not limited to this, and only the door panel abutting part 52 of the lock head 50 abuts against one side surface of the door panel a; in addition, the shape of the door plate abutting portion 52 is not limited to one circle around the axis of the columnar lock head 50, and only the lock head 50 can firmly abut against one side surface of the door plate a through the door plate abutting portion 52.
The dust cover is the same as the dust cover described in fig. 1 to 3, and thus the description thereof is not repeated; the fixing ring 40 of the dust cover is rotatably sleeved in the mounting ring groove 53 of the lock head 50, and the engaging ring wall 12 of the dust cover is selectively inserted into the key hole 51.
Referring to fig. 8, when the present invention is installed on a door panel a, the fixing ring 40 of the dust cap is inserted into the installation ring groove 53 of the lock head 50 in a deforming manner, so that the lock head 50 is combined with the dust cap, and then the lock head 50 is fixed on the door panel a by the nut 60, so as to complete the installation of the dust cap and the lock; after the dust-proof cover and the lock are installed, the cover body 10 of the dust-proof cover covers a key hole 51 for closing the lock at ordinary times so as to prevent foreign matters such as dust and the like from entering the lock 50; when the dust cover is broken and damaged due to aging or careless use, the damaged dust cover can be removed, and a new dust cover is installed again.
Referring to fig. 7, a second embodiment of the lock assembly with a dust cover of the present invention is substantially the same as the first embodiment, except that the lock 50A is a non-hollow quincuncial lock, and a cylinder is inserted into the center of the keyhole 51A, but the keyhole 51A of the lock can still be closed by the cover 10 of the dust cover.
In summary, the cover body of the dust-proof cover is provided with the embedded annular wall, and the cover body can be embedded in the key hole of the lock head in a penetrating manner by the embedded annular wall so as to reduce the thickness and the area of the dust-proof cover; in addition, the door plate abutting part of the lockset tightly abuts against the door plate, so that the fixing ring of the dust cover can freely rotate in the mounting ring groove of the lockset, and the lockset is convenient to mount, use and maintain.
Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. The utility model provides a dust cover, its characterized in that, its material is plastics, the dust cover contains:
a cover, comprising:
a cover plate;
a jogged annular wall which is formed on one side surface of the cover plate in a protruding way;
the connecting part is a bendable strip, one end of the connecting part is connected with the cover plate, a first bending groove is concavely arranged on one side surface of the connecting part, and the first bending groove extends to two opposite side edges of the connecting part;
and the fixing ring is connected with the other end of the connecting part.
2. The dust cap of claim 1, wherein the cap body further comprises a protruding grip tab formed on a side of the cap plate opposite to the engaging annular wall.
3. The dust cap of claim 2, wherein the protruding grip protrusions are formed on the periphery of the cap body, and the protruding grip protrusions and the connecting portions are respectively located on two opposite sides of the cap plate.
4. The dust cover according to any of claims 1 to 3, wherein a plurality of separation grooves are recessed in the top side of the engaging annular wall, the separation grooves extend from the top side of the engaging annular wall toward the cover plate, and the separation grooves are arranged at annular intervals.
5. The dust cover of any of claims 1-3, wherein the mating annular wall comprises:
the embedding part is connected with the cover plate;
the guide part is formed on one side of the embedding part opposite to the cover plate in a protruding mode, and the thickness of the guide part is gradually reduced towards the direction far away from the cover plate.
6. The dust cover according to any of claims 1 to 3, wherein a direction in which the engaging annular wall protrudes from the cover plate defines a covering direction, and the first bending groove is provided on a side surface of the connecting portion facing the covering direction.
7. The dust cover of any of claims 1-3, wherein the bottom surface of the first bending groove of the connecting portion is further recessed with a second bending groove.
8. A lock assembly with a dust cover, the lock assembly comprising:
the lock comprises a lock head, wherein one end of the lock head is concavely provided with a key hole; the outer wall surface of the lock head is concavely provided with a mounting ring groove in a surrounding way; a door plate abutting part protrudes from the outer wall surface of the lock head, and the mounting ring groove is positioned between the opening of the key hole and the door plate abutting part;
the dust cap according to any of claims 1 to 7, wherein the fixing ring of the dust cap is rotatably fitted in the mounting ring groove of the lock head, and the engaging ring wall of the dust cap is engaged with the key hole.
9. The lock assembly with dust cover of claim 8, wherein said door panel abutment forms a side wall surface of said mounting ring groove.
10. The lock assembly with dust cover of claim 8 or 9, wherein said lock is a quincunx lock.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910148763.3A CN111622607B (en) | 2019-02-28 | 2019-02-28 | Lockset assembly with dust cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910148763.3A CN111622607B (en) | 2019-02-28 | 2019-02-28 | Lockset assembly with dust cover |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111622607A true CN111622607A (en) | 2020-09-04 |
| CN111622607B CN111622607B (en) | 2021-07-30 |
Family
ID=72270785
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910148763.3A Active CN111622607B (en) | 2019-02-28 | 2019-02-28 | Lockset assembly with dust cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111622607B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3740981A (en) * | 1971-04-27 | 1973-06-26 | Hudson Lock Inc | Closure device for locks |
| US4154072A (en) * | 1978-05-22 | 1979-05-15 | Will Flaschar | Lock sealing device |
| US5241846A (en) * | 1992-03-17 | 1993-09-07 | Hoke A Chyril | Flush mounted lock protector |
| US6055832A (en) * | 1997-09-16 | 2000-05-02 | Wyers; Philip W. | Locking device |
| US6575000B1 (en) * | 2002-07-29 | 2003-06-10 | Vulcan Sports Co., Ltd. | Lock for a trailer |
| CN2789379Y (en) * | 2005-04-22 | 2006-06-21 | 杨益荣 | Waterproof and dustproof padlock |
| US20060236730A1 (en) * | 2003-03-10 | 2006-10-26 | Wyers Philip W | Locking device |
| JP2007332611A (en) * | 2006-06-13 | 2007-12-27 | Tadayoshi Sudo | Mechanism for attaching cover for cylinder and thumb-turn |
| CN205089090U (en) * | 2015-11-12 | 2016-03-16 | 航天科工哈尔滨风华有限公司 | Waterproof rotatory lock of shelter rack |
| CN106639653A (en) * | 2016-12-29 | 2017-05-10 | 山东康威通信技术股份有限公司 | Coded lock and dual lock |
-
2019
- 2019-02-28 CN CN201910148763.3A patent/CN111622607B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3740981A (en) * | 1971-04-27 | 1973-06-26 | Hudson Lock Inc | Closure device for locks |
| US4154072A (en) * | 1978-05-22 | 1979-05-15 | Will Flaschar | Lock sealing device |
| US5241846A (en) * | 1992-03-17 | 1993-09-07 | Hoke A Chyril | Flush mounted lock protector |
| US6055832A (en) * | 1997-09-16 | 2000-05-02 | Wyers; Philip W. | Locking device |
| US6575000B1 (en) * | 2002-07-29 | 2003-06-10 | Vulcan Sports Co., Ltd. | Lock for a trailer |
| US20060236730A1 (en) * | 2003-03-10 | 2006-10-26 | Wyers Philip W | Locking device |
| CN2789379Y (en) * | 2005-04-22 | 2006-06-21 | 杨益荣 | Waterproof and dustproof padlock |
| JP2007332611A (en) * | 2006-06-13 | 2007-12-27 | Tadayoshi Sudo | Mechanism for attaching cover for cylinder and thumb-turn |
| CN205089090U (en) * | 2015-11-12 | 2016-03-16 | 航天科工哈尔滨风华有限公司 | Waterproof rotatory lock of shelter rack |
| CN106639653A (en) * | 2016-12-29 | 2017-05-10 | 山东康威通信技术股份有限公司 | Coded lock and dual lock |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111622607B (en) | 2021-07-30 |
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