CN115263092B - Door lock device and centrifuge - Google Patents

Door lock device and centrifuge Download PDF

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Publication number
CN115263092B
CN115263092B CN202211177977.1A CN202211177977A CN115263092B CN 115263092 B CN115263092 B CN 115263092B CN 202211177977 A CN202211177977 A CN 202211177977A CN 115263092 B CN115263092 B CN 115263092B
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CN
China
Prior art keywords
door
door lock
lock hook
hook assembly
transmission gear
Prior art date
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Active
Application number
CN202211177977.1A
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Chinese (zh)
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CN115263092A (en
Inventor
张德鹏
阳方义
陈华贵
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Ruiwode Life Technology Co ltd
Original Assignee
Rwd Life Science Co ltd
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Publication date
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Priority to CN202211177977.1A priority Critical patent/CN115263092B/en
Publication of CN115263092A publication Critical patent/CN115263092A/en
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Publication of CN115263092B publication Critical patent/CN115263092B/en
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    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
    • E05B47/0001—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof
    • E05B47/0012—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof with rotary electromotors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04B—CENTRIFUGES
    • B04B7/00—Elements of centrifuges
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04B—CENTRIFUGES
    • B04B7/00—Elements of centrifuges
    • B04B7/02—Casings; Lids
    • B04B7/06—Safety devices ; Regulating
    • 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
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B9/00—Lock casings or latch-mechanism casings ; Fastening locks or fasteners or parts thereof to the wing
    • E05B9/08—Fastening locks or fasteners or parts thereof, e.g. the casings of latch-bolt locks or cylinder locks to the wing
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
    • E05B47/0001—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof
    • E05B2047/0014—Constructional features of actuators or power transmissions therefor
    • E05B2047/0018—Details of actuator transmissions
    • E05B2047/002—Geared transmissions
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
    • E05B2047/0084—Key or electric means; Emergency release
    • E05B2047/0086—Emergency release, e.g. key or electromagnet

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lock And Its Accessories (AREA)

Abstract

The embodiment of the invention provides a door lock device, which comprises a bolt (1); a mounting plate (2); the door lock hook assembly (3), the transmission gear (4), the motor (5) and the elastic component (6) are arranged on the mounting plate (2); the door lock hook component (3) is connected with the transmission gear (4) through a transmission shaft of the transmission gear (4), and the elastic part (6) enables the door lock hook component (3) to be kept at a locking position; in the locking process, when the door lock hook component (3) is inserted into the bolt (1), the motor (5) drives the transmission gear (4) to rotate so as to clamp the door lock hook component (3) and keep the door lock hook component (3) at a locking position. According to the embodiment of the invention, the door lock hook assembly is kept at the locking position through the elastic part, and after the lock tongue is pressed down to enable the door lock hook assembly to be inserted into the lock tongue, the door lock hook assembly is kept at the locking position continuously under the action of the elastic part, so that the door lock device is simple and firm in structure, and can be completely locked only by pressing down the lock tongue in the locking process.

Description

Door lock device and centrifuge
Technical Field
The invention relates to the technical field of centrifuges, in particular to a door lock device and a centrifuge.
Background
The centrifugal machine is an instrument for separating biological samples and is widely applied to the fields of life science, medical treatment, chemistry, environmental protection and the like. For safety reasons, the opening of the door of the centrifuge is not allowed when the rotor of the centrifuge is rotating at high speed; under the condition that fragments are splashed or faults occur in the cavity of the centrifuge, the door cover of the centrifuge cannot be easily bounced.
When current locks realized the door closure locking, the experimenter pressed the door closure and kept for a few seconds, just can loosen one's hand after waiting that the door closure locks completely, otherwise probably has the door closure and does not lock or lock the condition not in place and the safety problem appears.
Disclosure of Invention
The embodiment of the invention provides a door lock device, and aims to solve the problem that whether the door lock device is completely locked or not in the prior art depends on experimenters, so that danger is easy to occur.
In a first aspect, there is provided a door lock device comprising:
a bolt (1);
a mounting plate (2);
the door lock hook assembly (3), the transmission gear (4), the motor (5) and the elastic component (6) are arranged on the mounting plate (2);
the door lock hook assembly (3) is connected with the transmission gear (4) through a transmission shaft of the transmission gear (4), and the elastic part (6) enables the door lock hook assembly (3) to be kept at a locking position;
in the locking process, when the door lock hook component (3) is inserted into the bolt (1), the motor (5) drives the transmission gear (4) to rotate so as to clamp the door lock hook component (3) and keep the door lock hook component (3) at a locking position; in the unlocking process, the motor (5) drives the door lock hook component (3) to rotate through the transmission gear (4), so that the door lock hook component (3) exits from the bolt (1) and reaches the unlocking position.
In a second aspect, a centrifuge is provided, comprising a door cover (8), a chamber (9) and the door locking device described above.
In a third aspect, a centrifuge is provided, comprising a door cover (8), a chamber (9) and the door locking device described above.
According to the embodiment of the invention, the door lock hook assembly is kept at the locking position through the elastic part, the lock tongue is pressed down to enable the door lock hook assembly to be inserted into the lock tongue, the door lock hook assembly is kept at the locking position continuously under the action of the elastic part, the motor drives the transmission gear to rotate to further clamp the door lock hook assembly, in the unlocking process, the motor drives the door lock hook assembly to rotate through the transmission gear, the door lock hook assembly exits from the lock tongue to reach the unlocking position, then the door lock hook assembly is reset to the locking position under the action of the elastic part, the door lock device is simple and firm in structure, the locking process can be completely locked only by pressing down the lock tongue, and hands do not need to be loosened after being kept for several seconds.
Drawings
The foregoing and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic view of a door lock device according to a first embodiment of the present invention;
fig. 2 is a schematic view of a door latch hook assembly according to an embodiment of the present invention;
fig. 3 is an exploded view of a door latch hook assembly according to an embodiment of the present invention;
fig. 4 is a schematic view of a door lock device according to a second embodiment of the present invention;
FIG. 5a is a schematic diagram of state one during a locking process provided by embodiment two of the present invention;
FIG. 5b is a diagram illustrating a second state during a locking process provided by the second embodiment of the present invention;
FIG. 5c is a schematic diagram of state three during the locking process provided by embodiment two of the present invention;
FIG. 6a is a diagram illustrating a state one in the unlocking process according to a second embodiment of the present invention;
FIG. 6b is a diagram illustrating a state two during an unlocking process according to the second embodiment of the present invention;
fig. 6c is a schematic diagram of a state three in the unlocking process according to the second embodiment of the present invention;
fig. 6d is a schematic diagram of a state four in the unlocking process according to the second embodiment of the present invention;
FIG. 7 is a schematic view of a centrifuge provided in accordance with a third embodiment of the present invention;
FIG. 8 is a schematic view of a centrifuge according to a third embodiment of the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar modules or modules having the same or similar functionality throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention. On the contrary, the embodiments of the invention include all changes, modifications and equivalents coming within the spirit and terms of the claims appended hereto.
According to the embodiment of the invention, the door lock hook assembly is kept at the locking position through the elastic part, the lock tongue is pressed down to enable the door lock hook assembly to be inserted into the lock tongue, the door lock hook assembly is kept at the locking position continuously under the action of the elastic part, the motor drives the transmission gear to rotate to further clamp the door lock hook assembly, in the unlocking process, the motor drives the door lock hook assembly to rotate through the transmission gear, the door lock hook assembly exits from the lock tongue to reach the unlocking position, then the door lock hook assembly is reset to the locking position under the action of the elastic part, the door lock device is simple and firm in structure, the locking process can be completely locked only by pressing down the lock tongue, and hands do not need to be loosened after being kept for several seconds.
Example one
Fig. 1 is a schematic view of a door lock device according to a first embodiment of the present invention. As shown in fig. 1, the door lock device includes a latch bolt 1, a mounting plate 2, a door lock hook assembly 3, a transmission gear 4, a motor 5, and an elastic member 6 (not shown in the drawings). The door lock hook component 3, the transmission gear 4, the motor 5 and the elastic component 6 are arranged on the mounting plate 2. The door lock hook component 3 is sleeved on the transmission shaft of the transmission gear 4, is connected with the transmission gear 4 through the transmission shaft of the transmission gear 4 and can rotate around the transmission shaft of the transmission gear 4. The motor 5 is meshed with the transmission gear 4 to drive the transmission gear 4 to rotate. The transmission gear 4 transmits the door latch hook assembly 3 through the matching of the groove and the pin. The elastic component 6 is a torsion spring or a spring, a first end of the elastic component is connected with the door lock hook component 3, a second end of the elastic component is connected with the mounting plate 2, and the door lock hook component 3 is kept at the locking position through elastic force. In an embodiment of the invention, the locking position is in the vertical direction. The bolt 1 descends, the door lock hook component 3 is inserted into the bolt 1 and hooks the bolt 1, and the door lock hook component 3 is kept at the locking position and is completely locked. The door lock hook component 3 overcomes the acting force of the elastic component 6 and rotates around the transmission shaft of the transmission gear 4, and the lock tongue 1 is completely withdrawn to be in an unlocking position.
In the locking process, when the door lock hook component 3 is inserted into the lock tongue 1, the motor 5 drives the transmission gear 4 to rotate so as to clamp the door lock hook component 3, and further the door lock hook component 3 is kept at the locking position. In the unlocking process, the motor 5 drives the door lock hook component 3 to rotate through the transmission gear 4, so that the door lock hook component 3 exits from the lock tongue 1 and reaches the unlocking position.
In order to detect whether the latch hook assembly 3 has been inserted into the latch bolt 1 during the locking process, the door lock apparatus further includes a second micro switch 7 provided at the mounting plate 2 as an embodiment of the present invention. In the locking process, when the door lock hook component 3 is inserted into the bolt 1, the second microswitch 7 is triggered, and the second microswitch 7 transmits the signal to the motor 5, so that the motor 5 starts to drive the transmission gear 4 to rotate to clamp the door lock hook component 3.
Fig. 2 is a schematic view of a door latch hook assembly according to an embodiment of the present invention. Fig. 3 is an exploded view of a door latch hook assembly according to an embodiment of the present invention. In order to more accurately detect whether the door latch hook assembly 3 has been inserted into the dead bolt 1, as another embodiment of the present invention, as shown in fig. 2 and 3, the door latch hook assembly 3 includes a first shaft 31, a trigger plate 32, a first micro switch 33, a door latch hook body 34, and a torsion spring 35. The detection of whether the door latch hook assembly 3 has been inserted into the tongue 1 is achieved by the trigger plate 32 and the first micro switch 33.
In the embodiment of the present invention, the first shaft 31 and the first microswitch 33 are fixed to the door latch hook body 34, and the trigger plate 32 is sleeved on the first shaft 31 and can rotate around the first shaft 31. The first end of the torsion spring 35 is connected to the trigger plate 32, the second end of the torsion spring 35 is connected to the door latch hook body 34, the trigger plate 32 is maintained at a predetermined position relative to the door latch hook body 34 by an elastic force, so that the first end of the trigger plate 32 is slightly lower than the hook bottom of the door latch hook body 34, and the second end of the trigger plate 32 is located near the first microswitch 33. In the locking process, the bolt 1 descends to force the door lock hook assembly 3 to rotate for a small angle around the transmission shaft of the transmission gear 4, the bolt 1 reaches the bottom of the hook body of the door lock hook body 34, namely the door lock hook assembly 3 is inserted into the bolt 1, the bolt 1 contacts the first end of the trigger plate 32 at the moment, meanwhile, the door lock hook assembly 3 resets to the locking position under the action of the elastic part 6, and the bolt 1 further forces the trigger plate 32 to rotate relative to the door lock hook body 34 around the first shaft 31. After the trigger plate 32 rotates for a certain angle, the first microswitch 33 is triggered, and the first microswitch 33 transmits the signal to the motor 5, so that the motor 5 starts to drive the transmission gear 4 to rotate to clamp the door lock hook assembly 3. In the unlocking process, the door lock hook assembly 3 rotates around the transmission shaft of the transmission gear 4, the bolt 1 is separated from the bottom of the hook body of the door lock hook body 34, namely, the door lock hook assembly 3 exits the bolt 1 to reach the unlocking position, and the trigger plate 32 is reset to the preset position under the action of the torsion spring 35.
Preferably, the door latch hook assembly 3 further comprises a first slot 36 and a first pin 37. A first groove 36 is provided in the door lock hook body 34, and a first pin 37 is fixed to the trigger plate 32. When the trigger plate 32 rotates relative to the door latch hook body 34 about the first shaft 31, the first pin 37 slides in the first slot 36, and the first slot 36 limits the rotation angle of the trigger plate 32.
According to the embodiment of the invention, the door lock hook assembly is kept at the locking position through the elastic part, the lock tongue is pressed down to enable the door lock hook assembly to be inserted into the lock tongue, the door lock hook assembly is kept at the locking position continuously under the action of the elastic part, the motor drives the transmission gear to rotate to further clamp the door lock hook assembly, in the unlocking process, the motor drives the door lock hook assembly to rotate through the transmission gear, the door lock hook assembly exits from the lock tongue to reach the unlocking position, then the door lock hook assembly is reset to the locking position under the action of the elastic part, the door lock device is simple and firm in structure, the locking process can be completely locked only by pressing down the lock tongue, and hands do not need to be loosened after being kept for several seconds.
Example two
In the embodiment of the present invention, the basic structure of the door lock device is the same as that of the first embodiment, and the same reference numerals are used for the same components as those of the first embodiment, including all the features described in the first embodiment, and therefore, the description thereof is omitted.
Fig. 4 is a schematic view of a door lock device according to a second embodiment of the present invention. As shown in fig. 4, the mounting plate 2 includes a fixed plate 22, a movable plate 23, and a second shaft 24. The door lock hook assembly 3, the transmission gear 4, the motor 5 and the elastic member 6 are disposed at the movable plate 23. In a non-emergency state, the fixed plate 22 and the movable plate 23 are fixed together, and the door lock hook assembly 3, the transmission gear 4 and the motor 5 can rotate on the movable plate 23, so that the door lock hook assembly 3 is inserted into or withdrawn from the bolt 1, and locking or unlocking is achieved. In an emergency state that the door lock hook assembly 3 is inserted into the bolt 1 but the motor cannot work normally, the door lock hook assembly 3, the transmission gear 4, the motor 5 and the elastic part 6 are fixed on the movable plate 23 and integrated with the movable plate 23, and the movable plate 23 rotates around the second shaft 24 and the fixed plate 22 relatively, so that the door lock hook assembly 3 exits from the bolt 1 to realize unlocking. Preferably, the transmission shaft of the transmission gear 4 is used as the second shaft 24, that is, the fixed plate 22, the movable plate 23 and the door lock hook assembly 3 are all sleeved on the transmission shaft of the transmission gear 4, so that the overall structure is more compact.
In order to achieve the rotation of the door latch hook assembly 3, the transmission gear 4 and the motor 5 on the movable plate 23 in the non-emergency state and the fixation of the door latch hook assembly 3, the transmission gear 4 and the motor 5 on the movable plate 23 in the emergency state, as one embodiment of the present invention, the movable plate 23 of the mounting plate 2 includes the second slot 21, the transmission gear 4 includes the third slot 41, and the door latch hook assembly 3 includes the second pin 38. When the second pin 38 passes through the second slot 21 and the third slot 41, and the fixed plate 22 and the movable plate 23 are fixed together, the second pin 38 is located at the end of the second slot 21 and is in a locking position.
Fig. 5a is a schematic diagram of a state one in the locking process provided by the second embodiment of the present invention. Fig. 5b is a schematic diagram of a state two in the locking process provided by the second embodiment of the present invention. Fig. 5c is a schematic diagram of state three in the locking process provided by the second embodiment of the present invention. The fixing plate 22 is omitted from each of fig. 5a, 5b and 5c for clarity of indication. With reference to fig. 5a, 5b and 5c, in the first state of the locking process, the door lock hook assembly 3 is maintained in the locking position, the second pin 38 is located at the end of the second groove 21, the projection of the third groove 41 on the movable plate 23 is substantially overlapped with the projection of the second groove 21 on the movable plate 23, the second pin 38 is not limited, and the bolt 1 descends to approach the door lock hook assembly 3; in a second state in the locking process, the door lock hook assembly 3 is forced to rotate by the bolt 1 and reset to the locking position, the door lock hook assembly 3 is inserted into the bolt 1, the motor 5 receives a signal and starts to drive the transmission gear 4 to rotate, namely the third groove 41 rotates, and the second pin 38 slides in the third groove 41; in the third state during the locking process, the second pin 38 reaches the first end of the third slot 41, and the third microswitch 1000 is triggered to stop the operation of the motor 5 and stop the rotation of the transmission gear 4, at this time, the projection of the third slot 41 on the movable plate 23 and the projection of the second slot 21 on the movable plate 23 are mutually staggered, and the third slot 41 and the second slot 21 clamp the second pin 38, so that the door lock hook assembly 3 is kept in the locking position.
Fig. 6a is a schematic diagram of a state one in the unlocking process according to the second embodiment of the present invention. Fig. 6b is a schematic diagram of a state two in the unlocking process provided by the second embodiment of the present invention. Fig. 6c is a schematic diagram of a state three in the unlocking process according to the second embodiment of the present invention. Fig. 6d is a schematic diagram of a state four in the unlocking process according to the second embodiment of the present invention. The fixing plate 22 is omitted from each of fig. 6a, 6b, 6c and 6d for better indication. With reference to fig. 6a, 6b, 6c and 6d, in the first state during unlocking, the door lock hook assembly 3 hooks the lock tongue 1, the motor 5 starts to drive the transmission gear 4 to rotate in the reverse direction when receiving an unlocking signal, that is, the third slot 41 rotates, and the second pin 38 slides in the third slot 41; in the second state during unlocking, when the second pin 38 reaches the second end of the third slot 41, the fourth microswitch 2000 is triggered to allow the motor 5 to rotate backwards after a preset time; in the state III in the unlocking process, the transmission gear 4 continues to rotate reversely for the preset time, the second tail end of the third groove 41 pushes the second pin 38 to slide in the second groove 21 by the preset angle and is far away from the tail end of the second groove 21, so that the door lock hook assembly 3 exits the bolt 1, the unlocking position is reached, and the bolt 1 is released; in the state IV of the unlocking process, the motor 5 rotates reversely to drive the transmission gear 4 to reset to the position of the state I of the locking process, and the door lock hook component 3 resets to the locking position under the action of the elastic component 6.
In the emergency state, the initial position is the state three in the locking process, and at this time, the movable plate 23 is rotated clockwise, so that the end of the second slot 21 forces the second pin 38 to rotate clockwise, and the second pin 38 forces the transmission gear 4 to rotate clockwise through the third slot 41, thereby fixing the door lock hook assembly 3 and the transmission gear 4 on the movable plate 23. The structure under the emergency state is compatible with the structure under the non-emergency state, so that the whole structure is simple.
According to the embodiment of the invention, the door lock hook assembly is kept at the locking position through the elastic part, the lock tongue is pressed down to enable the door lock hook assembly to be inserted into the lock tongue, the door lock hook assembly is kept at the locking position continuously under the action of the elastic part, the motor drives the transmission gear to rotate to further clamp the door lock hook assembly, in the unlocking process, the motor drives the door lock hook assembly to rotate through the transmission gear, the door lock hook assembly exits from the lock tongue to reach the unlocking position, then the door lock hook assembly is reset to the locking position under the action of the elastic part, the door lock device is simple and firm in structure, the locking process can be completely locked only by pressing down the lock tongue, and hands do not need to be loosened after being kept for several seconds.
EXAMPLE III
In the embodiment of the present invention, the basic structure of the door lock device is the same as that of the first embodiment or the second embodiment, and the same reference numerals are used for the same components as those of the first embodiment or the second embodiment, including all the features described in the first embodiment and the second embodiment, which are not repeated herein.
As an embodiment of the present invention, the centrifuge includes a door cover 8, a chamber 9, and a door lock device. FIG. 7 is a schematic view of a centrifuge provided in the third embodiment of the present invention. As shown in fig. 7, the latch bolt 1 is fixed to the door cover 8, and a part of the cavity 9 serves as a mounting plate 2 of the door lock device. And closing the door cover 8 towards the cavity 9, enabling the bolt 1 and the mounting plate 2 to be located at corresponding positions, and performing locking or unlocking processes together with other parts of the door lock device.
As another embodiment of the present invention, the centrifuge includes a door cover 8, a chamber 9, and a door lock device. FIG. 8 is a schematic view of a centrifuge according to a third embodiment of the present invention. As shown in fig. 8, the bolt 1 is fixed to the door 8, the fixed plate 22 is fixed to the top surface of the cavity 9 by screws, and the movable plate 23 is located substantially below the fixed plate 22. And (3) closing the door cover 8 towards the cavity 9, enabling the bolt 1 and the fixing plate 22 to be located at corresponding positions, and performing locking or unlocking processes together with other parts of the door lock device.
According to the embodiment of the invention, the door lock hook assembly is kept at the locking position through the elastic part, the lock tongue is pressed down to enable the door lock hook assembly to be inserted into the lock tongue, the door lock hook assembly is kept at the locking position continuously under the action of the elastic part, the motor drives the transmission gear to rotate to further clamp the door lock hook assembly, in the unlocking process, the motor drives the door lock hook assembly to rotate through the transmission gear, the door lock hook assembly exits from the lock tongue to reach the unlocking position, then the door lock hook assembly is reset to the locking position under the action of the elastic part, the door lock device is simple and firm in structure, the locking process can be completely locked only by pressing down the lock tongue, and hands do not need to be loosened after being kept for several seconds.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.

Claims (9)

1. A door lock device, comprising:
a bolt (1);
a mounting plate (2);
the door lock hook assembly (3), the transmission gear (4), the motor (5) and the elastic component (6) are arranged on the mounting plate (2);
the door lock hook assembly (3) is connected with the transmission gear (4) through a transmission shaft of the transmission gear (4), and the elastic part (6) enables the door lock hook assembly (3) to be kept at a locking position;
wherein the mounting plate (2) comprises a second slot (21), the transmission gear (4) comprises a third slot (41), the door latch hook assembly (3) comprises a second pin (38), the second pin (38) passes through the second slot (21) and the third slot (41), and the second pin (38) is located at the end of the second slot (21) in the locking position;
in the locking process, when the door lock hook assembly (3) is inserted into the lock tongue (1), the motor (5) drives the transmission gear (4) to rotate, and the third groove (41) clamps the second pin (38) so as to clamp the door lock hook assembly (3), so that the door lock hook assembly (3) is kept at a locking position; in the unlocking process, the motor (5) drives the door lock hook assembly (3) to rotate through the transmission gear (4), and the third groove (41) pushes the second pin (38) to be far away from the tail end of the second groove (21), so that the door lock hook assembly (3) exits the lock bolt (1) and reaches the unlocking position.
2. The door-lock device according to claim 1, characterized in that the door-lock hook assembly (3) comprises a first shaft (31), a trigger plate (32), a first micro switch (33) and a door-lock hook body (34), the first shaft (31) and the first micro switch (33) are fixed to the door-lock hook body (34), and the trigger plate (32) is sleeved on the first shaft (31);
in the locking process, when the door lock hook assembly (3) is inserted into the lock bolt (1), the trigger plate (32) rotates around the first shaft (31) and the door lock hook body (34) relatively to trigger the first microswitch (33).
3. Door-locking device according to claim 2, characterized in that said door-locking hook assembly (3) further comprises a torsion spring (35), a first end of said torsion spring (35) being connected with said trigger plate (32) and a second end of said torsion spring (35) being connected with said door-locking hook body (34).
4. Door-locking device according to claim 2 or 3, characterized in that said door-latch hook assembly (3) further comprises a first slot (36) provided in said door-latch hook body (34) and a first pin (37) fixed to said trigger plate (32); when the trigger plate (32) rotates around the first shaft (31) and the door lock hook body (34), the first pin (37) slides in the first groove (36).
5. Door-lock device according to claim 1, characterized in that it further comprises a second microswitch (7) arranged on said mounting plate (2); in the locking process, the second microswitch (7) is triggered when the door lock hook component (3) is inserted into the bolt (1).
6. The door-lock device according to claim 1, wherein the mounting plate (2) comprises a fixed plate (22), a movable plate (23) and a second shaft (24), and the door-lock hook assembly (3), the transmission gear (4), the motor (5) and the elastic member (6) are provided at the movable plate (23);
the movable plate (23) and the fixed plate (22) rotate relatively around the second shaft (24).
7. A centrifuge, characterized in that it comprises a door cover (8), a chamber (9) and a door locking device according to any of claims 1-5.
8. A centrifuge, characterized in that it comprises a door cover (8), a chamber (9) and a door locking device according to claim 6.
9. The centrifuge according to claim 8, characterized in that the locking tongue (1) is fixed to the door cover (8) and the fixing plate (22) is fixed to the top surface of the chamber (9).
CN202211177977.1A 2022-09-27 2022-09-27 Door lock device and centrifuge Active CN115263092B (en)

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Application Number Priority Date Filing Date Title
CN202211177977.1A CN115263092B (en) 2022-09-27 2022-09-27 Door lock device and centrifuge

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Application Number Priority Date Filing Date Title
CN202211177977.1A CN115263092B (en) 2022-09-27 2022-09-27 Door lock device and centrifuge

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CN115263092A CN115263092A (en) 2022-11-01
CN115263092B true CN115263092B (en) 2022-12-13

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JP4609443B2 (en) * 2007-02-28 2011-01-12 日立工機株式会社 centrifuge
DE102008010272B4 (en) * 2008-02-21 2013-08-22 Thermo Electron Led Gmbh Cover closure for housing cover of laboratory equipment and the like
CN112354692A (en) * 2020-11-21 2021-02-12 上海丰博生物科技有限公司 Automatic locking mechanism for cover opening of centrifugal machine

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Address after: 518057, Room 1901, Building A, Building 7, Shenzhen International Innovation Valley, Dashi Road, Xili Community, Xili Street, Nanshan District, Shenzhen City, Guangdong Province (9th, 19th, 20th, and 9th floors of Building A)

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Denomination of invention: A door lock device and centrifuge

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