CN112681909A - Lock assembly and vaccine cabinet - Google Patents
Lock assembly and vaccine cabinet Download PDFInfo
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- CN112681909A CN112681909A CN202011486491.7A CN202011486491A CN112681909A CN 112681909 A CN112681909 A CN 112681909A CN 202011486491 A CN202011486491 A CN 202011486491A CN 112681909 A CN112681909 A CN 112681909A
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- locking
- lock
- drawer
- lock assembly
- limit switch
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Abstract
The invention discloses a lock assembly and a vaccine cabinet, wherein the lock assembly is used for locking a drawer, and a lock nose is arranged on the drawer; the lock assembly comprises a shell, wherein a mounting cavity is formed in the shell, an opening is formed in the shell, and a locking part, a driving part and a limit switch assembly are arranged in the mounting cavity; the locking part is matched with the locking nose through the opening so as to lock or unlock the drawer; the driving part drives the locking part to move towards the direction close to or away from the opening; the limit switch assembly receives a touch signal of the locking part and controls the start and stop of the driving part; when the lock assembly is in the first locking stage, the locking nose is matched with the locking part for locking; when the lock assembly is in the second locking stage, the driving part drives the locking part to move towards the direction far away from the opening, and the drawer is locked. The lock assembly can realize automatic tensioning sealing after the drawer is locked, the door closing force is small, and the sealing performance of the drawer is improved.
Description
Technical Field
The invention relates to the technical field of locks, in particular to a lock assembly and a vaccine cabinet.
Background
Vaccine cabinets typically include a plurality of drawers to store vaccines in a sorted manner. Every drawer all disposes the electromagnetic lock, and the lock on the electromagnetic lock colludes and the lock nose cooperation on the cabinet body to realize opening or locking of drawer. The currently used electromagnetic lock can only realize the switching action of an electric signal, when a drawer is opened, an unlocking button is clicked, and a lock hook is separated from a lock nose to realize unlocking; when the drawer is closed, the closing of the lock hook and the lock nose can be realized only by pressing the drawer to a locking position by hands, the door closing force is large, and the user experience is poor; moreover, the sealing performance after the drawer is closed is poor, and the phenomenon of condensation leakage exists.
The above information disclosed in this background section is only for enhancement of understanding of the background of the application and therefore it may comprise prior art that does not constitute known to a person of ordinary skill in the art.
Disclosure of Invention
To solve the problems noted in the background, the present invention provides a lock assembly and a vaccine cabinet.
In order to realize the purpose of the invention, the invention is realized by adopting the following technical scheme:
the invention provides a lock assembly for locking a drawer, wherein a lock nose is arranged on the drawer, and the lock assembly comprises:
the mounting structure comprises a shell, a mounting cavity and a positioning mechanism, wherein an opening is formed in the shell;
the locking part is arranged in the mounting cavity in a sliding mode and is matched with the locking nose through the opening so as to lock or unlock the drawer;
the driving part is arranged in the mounting cavity and drives the locking part to move towards the direction close to or far away from the opening;
the limit switch assembly receives a touch signal of the locking part and controls the start and stop of the driving part;
the locking process of the lock assembly comprises a first locking stage and a second locking stage;
when the lock assembly is in the first locking stage, the locking nose is matched with the locking part for locking;
when the lock assembly is in the second locking stage, the driving part drives the locking part to move towards the direction far away from the opening, and the drawer is locked.
In some embodiments of this application, the closure portion includes base, first group moves piece, second group moves piece and trigger, first group moves the piece the second group moves the piece and the trigger all rotates to be located on the base, the base slides and locates the installation intracavity, first group moves the piece with the cooperation of second group moves the piece and forms the closure hole, the lock nose wears to locate in the closure hole with the drawer locking, the trigger acts on the second group moves the piece so that the second group moves the piece with first group moves the piece cooperation or breaks away from.
In some embodiments of this application, be equipped with the kink on the second stirring piece, the trigger with the kink supports and leans on, the trigger with the rotation junction of base is equipped with the torsional spring, the base is towards being close to during the open-ended direction motion, the trigger is in the effect of the restoring force of torsional spring rotates down, the trigger drives the second stirring piece is synchronous to the syntropy rotate so that first stirring piece with the second stirring piece breaks away from.
In some embodiments of the present application, a guide block is provided on the housing, a fixing pin is provided on the trigger, and the fixing pin slides along the guide block.
In some embodiments of the present application, the limit switch assembly includes a first limit switch and a second limit switch, the first limit switch is configured to receive the touch signal of the first dial block, and the second limit switch is configured to receive the touch signal of the base;
when the lock is unlocked, when the first toggle block rotates and touches the first limit switch, the driving part stops;
during locking, when the first poking block rotates and touches the first limit switch, the driving part is opened, the driving part drives the base to move towards the direction away from the opening to touch the second limit switch, and the driving part stops.
In some embodiments of the present application, the first limit switch is fixedly disposed on the base, and the second limit switch is fixedly disposed on the housing.
In some embodiments of the present application, both ends are equipped with the sliding sleeve respectively about the base, be equipped with the slide on the casing, the sliding sleeve slides and locates in the slide.
In some embodiments of the present application, the driving portion includes a motor, a first gear is disposed on a motor shaft of the motor, a second gear is engaged with the first gear, a threaded hole is disposed on the second gear, a screw rod is disposed in the threaded hole, and an end of the screw rod is connected to the locking portion.
In some embodiments of the present application, a push rod is arranged in the installation cavity, a spring is arranged between the push rod and the casing, the push rod extends out of the opening under the action of the reset force of the spring, and the push rod extends out of the drawer.
The invention also provides a vaccine cabinet, which comprises a cabinet body and a plurality of drawers arranged in the cabinet body, wherein the drawers are provided with lock noses, the cabinet body is provided with the lock assembly, and the lock noses are matched with the lock parts to lock or unlock the drawers.
Compared with the prior art, the invention has the advantages and positive effects that:
use the disclosed lock subassembly of this application to carry out the drawer locking when, with the drawer gently towards cabinet side promotion, the lock subassembly gets into first locking stage earlier, and along with the promotion of drawer this moment, the lock nose will be connected the cooperation with closure portion, realizes the preliminary mechanical locking of drawer. Then the lock subassembly enters the second locking stage, and drive portion will drive the locking portion at this moment and drive the drawer and move towards the direction that is close to the cabinet body, realizes the further locking of drawer, improves the sealing performance after the drawer locking. The second locking stage of the lock assembly is a fully automatic process, requiring no manual operation. That is to say, when utilizing this lock subassembly to carry out the locking to the drawer, only need gently with the drawer promote to with the cooperation of closure portion the locking can, the lock subassembly will automatically drive the drawer towards cabinet body side motion in the follow-up action to realize the locking of drawer sealed, avoid the drawer to appear leaking the phenomenon of condensation.
Other features and advantages of the present invention will become more apparent from the following detailed description of the invention when taken in conjunction with the accompanying drawings.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic view of a lock assembly according to an embodiment;
FIG. 2 is a schematic view of the lock assembly with the first housing omitted (locked state) according to an embodiment;
FIG. 3 is a schematic structural view of the structure shown in FIG. 2 with the base omitted;
FIG. 4 is a schematic view of the lock assembly with the first housing omitted (open state) according to an embodiment;
fig. 5 is a schematic structural view of the structure shown in fig. 4 without a base.
Reference numerals:
100-housing, 110-first housing, 120-second housing, 130-opening, 140-mounting cavity, 150-slide;
200-a locking part, 210-a first toggle block, 220-a second toggle block, 221-a bending part, 230-a trigger, 231-a torsion spring, 232-a fixed pin, 240-a base, 241-a sliding sleeve and 250-a locking hole;
300-drive, 310-motor, 320-first gear, 330-second gear, 340-screw;
410-a first limit switch, 420-a second limit switch;
510-push rod, 520-spring.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "front", "rear", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Example one
The lock assembly in this embodiment is used for locking the drawer to be applied to cabinet body structures such as bacterin cabinet for example, the internal a plurality of drawers that are equipped with of cabinet, be equipped with the lock nose on the drawer, the lock assembly is located on the cabinet body, lock assembly and lock nose cooperation, in order to lock or open the drawer.
Fig. 1 is a schematic structural view of a lock assembly, in order to clearly show an internal structure of the lock assembly, fig. 2 and 4 are schematic structural views of the lock assembly in a locked state and an unlocked state with a first housing omitted, respectively, fig. 3 is a schematic structural view of the lock assembly with a base further omitted on the basis of fig. 2, and fig. 5 is a schematic structural view of the lock assembly with a base further omitted on the basis of fig. 4.
The lock assembly mainly comprises a shell 100, a locking part 200, a driving part 300, a limit switch assembly and the like.
The housing 100 forms the main outer contour of the lock assembly, a mounting cavity 140 is formed in the housing 100 for mounting other components, and the housing 100 is also used for fixedly connecting with a cabinet and other structures.
The front side of the housing 100 is provided with an opening 130, the opening 130 being used for the latch to cooperate with a latch on a drawer.
The housing 100 includes a first housing 110 and a second housing 120, and the first housing 110 and the second housing 120 are fastened to form a mounting cavity 140.
The locking portion 200 is a main structure for realizing the locking function of the lock assembly, and the locking portion 200 is engaged with the locking nose through the opening 130 to lock or unlock the drawer. When the locking part 200 is matched with the locking nose, the drawer is locked. When the locking part 200 is separated from the locking nose, the drawer is opened.
The driving part 300 is disposed in the mounting cavity 140, and the driving part 300 is used for driving the locking part 200 to move towards or away from the opening 130.
A limit switch assembly is also disposed in the mounting cavity 140, and the limit switch assembly is used for receiving a touch signal of the locking portion 200 and controlling the start and stop of the driving portion 300.
The locking process of the lock assembly in this embodiment includes a first locking phase and a second locking phase, which are sequential courses of action. When the drawer is closed, a first locking stage occurs first, followed by a second locking stage.
When closing the drawer, promote the drawer towards cabinet side, the lock subassembly gets into first locking stage earlier, and along with the promotion of drawer this moment, the lock nose will be connected the cooperation with closure portion 200, realizes the preliminary mechanical locking of drawer.
In the first locking phase, the drawer is only initially mechanically locked. In the vaccine cabinet and other equipment, the drawer is required to have certain sealing performance in a closed state so as to ensure the storage effectiveness of stored articles such as vaccines and the like. In order to improve the sealing performance of the locked drawer, the lock assembly in the embodiment performs the second locking stage after the first locking stage.
After the locking nose and the locking portion 200 complete the preliminary locking in a matching manner, the lock assembly enters a second locking stage, at this time, the driving portion 300 drives the locking portion 200 to move in a direction away from the opening 130, that is, the locking portion 200 drives the drawer to move in a direction close to the cabinet body, so that the drawer is further locked, and the sealing performance of the drawer after being locked is improved.
The second locking stage of the lock assembly is a fully automatic process, requiring no manual operation. That is to say, when the drawer is locked by the lock assembly, the drawer only needs to be pushed to be matched with the locking portion 200 to be locked lightly, and the lock assembly automatically drives the drawer to move towards the cabinet body side in subsequent actions so as to realize locking and sealing of the drawer.
For the specific arrangement of the driving portion 300, in some embodiments of the present application, the driving portion 300 includes a motor 310, a first gear 320 is disposed on a motor shaft of the motor 310, a second gear 330 is engaged with the first gear 320, a threaded hole is disposed on the second gear 330, a screw 340 is disposed in the threaded hole, and an end of the screw 340 is connected to the locking portion 200.
The motor 310 rotates forward or backward, and the screw 340 is screwed in or out through the meshing transmission between the first gear 320 and the second gear 330, and the screw 340 drives the locking part 200 to advance or retreat.
With respect to the specific arrangement of the latch 200, in some embodiments of the present application, referring to fig. 3 and 5, the latch 200 includes a base 240, a first tumbler 210, a second tumbler 220, and a trigger 230. The first dial block 210, the second dial block 220 and the trigger 230 are rotatably disposed on the base 240. The base 240 is connected to the screw 340, and the base 240 can slide in the mounting cavity 140 under the driving of the screw 340. The first shifting block 210 and the second shifting block 220 cooperate to form a locking hole 250, and the locking nose is arranged in the locking hole 250 in a penetrating manner so as to lock the drawer. The trigger 230 acts on the second dial 220 to engage or disengage the second dial 220 with the first dial 210. When the first toggle block 210 is disengaged from the second toggle block 220, the lock nose is released and the drawer is opened.
The second toggle block 220 is provided with a bending portion 221, and the trigger 230 abuts against the bending portion 221. A torsion spring 231 is provided at the rotational connection of the trigger 230 and the base 240. When the base 240 moves towards a direction close to the opening 130, the trigger 230 rotates under the action of the reset force of the torsion spring 231, and the trigger 230 drives the second moving block 220 to synchronously rotate in the same direction, so that the first moving block 210 is separated from the second moving block 220, and unlocking is realized.
The housing 100 is provided with a guide block (not shown), the trigger 230 is provided with a fixing pin 232, the fixing pin 232 slides along the guide block, and the guide block guides the movement of the trigger 230.
With respect to the arrangement of the limit switch assembly, in some embodiments of the present application, the limit switch assembly includes a first limit switch 410 and a second limit switch 420. The first limit switch 410 is used for receiving a touch signal of the first dial block 210, and the second limit switch 420 is used for receiving a touch signal of the base 240.
When the lock assembly is in the locked state, referring to fig. 2 and 3, the screw 340 is in the retracted state and the base 240 is adjacent the second limit switch 420. When the lock is unlocked, referring to fig. 4 and 5, the lock assembly receives an unlocking instruction, the motor 310 is started, the motor 310 drives the screw 340 to rotate out, the screw 340 pushes the base 240 to move towards the direction close to the opening (i.e. the base 240 advances), the trigger 230 rotates under the action of the torsion spring 231 and drives the second toggle block 220 to rotate, the first toggle block 210 is separated from the second toggle block 220, the locking of the lock nose is released, the drawer is opened, meanwhile, the first toggle block 210 touches the first limit switch 410 while rotating, the motor 310 receives information sent by the first limit switch 410 and stops, and the unlocking is completed.
When the drawer is closed and locked, the lock assembly is changed from the state shown in fig. 4 and 5 to the state shown in fig. 2 and 3, the first toggle block 210 and the second toggle block 220 rotate to form the locking hole 250, the locking nose is locked through the locking hole 250, the first toggle block 210 touches the first limit switch 410 while rotating, the motor 310 receives and starts the information sent by the first limit switch 410, the motor 310 drives the screw 340 to rotate forward, the screw 340 drives the base 240 to move in the direction away from the opening 130 (i.e., the base 240 moves backward), when the base 130 moves backward to touch the second limit switch 420, the base 240 moves in place, the motor 310 receives and stops the information sent by the second limit switch 420, and locking is completed.
Regarding the setting positions of the first limit switch 410 and the second limit switch 420, in some embodiments of the present invention, the first limit switch 410 is fixed on the base 240, and the first limit switch 410 moves synchronously with the base 240. The second limit switch 420 is fixedly disposed on the housing 100.
For the sliding arrangement of the locking portion 200 in the installation cavity 140, in some embodiments of the present application, sliding sleeves 241 are respectively fixedly disposed at the left and right ends of the base 240, a sliding way 150 is disposed on the housing 100, the sliding way 150 is located in the installation cavity 140, and the sliding sleeves 241 are slidably disposed in the sliding way 150.
In some embodiments of the present application, a push rod 510 is further disposed in the mounting cavity 140, and a spring 520 is disposed between the push rod 510 and the housing 100. When the drawer is unlocked, the push rod 510 can extend out from the opening 130 under the action of the reset force of the spring 520, the push rod 510 extends out to eject the drawer, and the drawer is automatically ejected after being opened.
Example two
The vaccine cabinet in the embodiment comprises a cabinet body, wherein a plurality of drawers are arranged in the cabinet body, lock noses are arranged on the drawers, and the cabinet body is provided with the lock assembly disclosed in the embodiment one. The locking or unlocking of the drawer is achieved by the cooperation between the locking noses and the locking part 200. The drawer can realize locking and sealing in a locking state, and the sealing performance of the drawer is improved, so that the storage effectiveness and the reliability of the vaccine cabinet are improved.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. The utility model provides a lock subassembly for locking the drawer, be equipped with the lock nose on the drawer, its characterized in that, lock subassembly includes:
the mounting structure comprises a shell, a mounting cavity and a positioning mechanism, wherein an opening is formed in the shell;
the locking part is arranged in the mounting cavity in a sliding mode and is matched with the locking nose through the opening so as to lock or unlock the drawer;
the driving part is arranged in the mounting cavity and drives the locking part to move towards the direction close to or far away from the opening;
the limit switch assembly receives a touch signal of the locking part and controls the start and stop of the driving part;
the locking process of the lock assembly comprises a first locking stage and a second locking stage;
when the lock assembly is in the first locking stage, the locking nose is matched with the locking part for locking;
when the lock assembly is in the second locking stage, the driving part drives the locking part to move towards the direction far away from the opening, and the drawer is locked.
2. The lock assembly set forth in claim 1,
the locking part comprises a base, a first poking block, a second poking block and a trigger, the first poking block, the second poking block and the trigger are all rotatably arranged on the base, the base is slidably arranged in the installation cavity, the first poking block and the second poking block are matched to form a locking hole, a locking nose is arranged in the locking hole in a penetrating mode to lock the drawer, and the trigger acts on the second poking block to enable the second poking block to be matched with or separated from the first poking block.
3. The lock assembly set forth in claim 2,
the second is equipped with the kink on dialling the piece, the trigger with the kink supports and leans on, the trigger with the rotation junction of base is equipped with the torsional spring, the base is towards being close to during the open-ended direction motion, the trigger is in the reset force effect of torsional spring rotates down, the trigger drives the synchronous syntropy of second is dialled the piece and is rotated so that first is dialled the piece with the second is dialled the piece and is broken away from.
4. The lock assembly set forth in claim 2,
the shell is provided with a guide block, the trigger is provided with a fixing pin, and the fixing pin slides along the guide block.
5. The lock assembly set forth in claim 2,
the limit switch assembly comprises a first limit switch and a second limit switch, the first limit switch is used for receiving the touch signal of the first dial block, and the second limit switch is used for receiving the touch signal of the base;
when the lock is unlocked, when the first toggle block rotates and touches the first limit switch, the driving part stops;
during locking, when the first poking block rotates and touches the first limit switch, the driving part is opened, the driving part drives the base to move towards the direction away from the opening to touch the second limit switch, and the driving part stops.
6. The lock assembly set forth in claim 5,
the first limit switch is fixedly arranged on the base, and the second limit switch is fixedly arranged on the shell.
7. The lock assembly according to any one of claims 2 to 6,
sliding sleeves are respectively arranged at the left end and the right end of the base, a slide way is arranged on the shell, and the sliding sleeves are slidably arranged in the slide way.
8. The lock assembly set forth in claim 1,
the driving part comprises a motor, a first gear is arranged on a motor shaft of the motor, a second gear is meshed with the first gear, a threaded hole is formed in the second gear, a screw rod is arranged in the threaded hole, and the end part of the screw rod is connected with the locking part.
9. The lock assembly set forth in claim 1,
the drawer is characterized in that a push rod is arranged in the mounting cavity, a spring is arranged between the push rod and the shell, the push rod extends out of the opening under the action of the reset force of the spring, and the push rod extends out to pop up the drawer.
10. A vaccine cabinet comprising a cabinet body and a plurality of drawers arranged in the cabinet body, wherein the drawers are provided with lock noses, the vaccine cabinet is characterized in that the cabinet body is provided with a lock assembly according to any one of claims 1 to 9, and the lock noses are matched with the locking parts to lock or unlock the drawers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011486491.7A CN112681909B (en) | 2020-12-16 | 2020-12-16 | Lock assembly and vaccine cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011486491.7A CN112681909B (en) | 2020-12-16 | 2020-12-16 | Lock assembly and vaccine cabinet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112681909A true CN112681909A (en) | 2021-04-20 |
| CN112681909B CN112681909B (en) | 2021-12-21 |
Family
ID=75448333
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011486491.7A Active CN112681909B (en) | 2020-12-16 | 2020-12-16 | Lock assembly and vaccine cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112681909B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB744698A (en) * | 1953-07-13 | 1956-02-15 | Meilink Steel Safe Company | Filing cabinet locking controls |
| CN102438485A (en) * | 2009-04-27 | 2012-05-02 | 雅固拉国际有限公司 | Drawer slide and locking mechanism |
| WO2013110102A1 (en) * | 2012-01-25 | 2013-08-01 | Fulterer Gesellschaft Mbh | Pull-out device for at least two pull-out furniture parts |
| CN205476972U (en) * | 2016-03-22 | 2016-08-17 | 深圳市客洛克科技有限公司 | Drawer cabinet electronic lock convenient to open cabinet |
| CN206591943U (en) * | 2017-02-22 | 2017-10-27 | 上海擅韬信息技术有限公司 | A kind of vaccine cabinet drawer retaining mechanism |
| CN209585918U (en) * | 2018-09-12 | 2019-11-05 | 四川巧盒子物联网科技有限公司 | A kind of locking mechanism for express delivery box |
-
2020
- 2020-12-16 CN CN202011486491.7A patent/CN112681909B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB744698A (en) * | 1953-07-13 | 1956-02-15 | Meilink Steel Safe Company | Filing cabinet locking controls |
| CN102438485A (en) * | 2009-04-27 | 2012-05-02 | 雅固拉国际有限公司 | Drawer slide and locking mechanism |
| WO2013110102A1 (en) * | 2012-01-25 | 2013-08-01 | Fulterer Gesellschaft Mbh | Pull-out device for at least two pull-out furniture parts |
| CN205476972U (en) * | 2016-03-22 | 2016-08-17 | 深圳市客洛克科技有限公司 | Drawer cabinet electronic lock convenient to open cabinet |
| CN206591943U (en) * | 2017-02-22 | 2017-10-27 | 上海擅韬信息技术有限公司 | A kind of vaccine cabinet drawer retaining mechanism |
| CN209585918U (en) * | 2018-09-12 | 2019-11-05 | 四川巧盒子物联网科技有限公司 | A kind of locking mechanism for express delivery box |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112681909B (en) | 2021-12-21 |
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