CN218438796U - Centrifuge door lock structure with function of promptly uncapping - Google Patents
Centrifuge door lock structure with function of promptly uncapping Download PDFInfo
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- CN218438796U CN218438796U CN202222689749.4U CN202222689749U CN218438796U CN 218438796 U CN218438796 U CN 218438796U CN 202222689749 U CN202222689749 U CN 202222689749U CN 218438796 U CN218438796 U CN 218438796U
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Abstract
The utility model discloses a centrifugal machine door lock structure with emergency cover opening function, which comprises a lock shell, wherein the upper part of the lock shell is provided with a through hole for extending a lock catch into the lock shell, a lock hook for hooking the lock catch is arranged in the lock shell below the through hole, and the lock hook is rotatably arranged on the lock shell; a transmission mechanism for driving the lock hook to rotate so as to enable the lock hook to be hooked with or separated from the lock catch is arranged in the lock shell; an electric driving mechanism for driving the transmission mechanism to operate is arranged in the lock shell; an emergency driving mechanism used for driving the transmission mechanism to operate is arranged in the lock shell, and the emergency driving mechanism is in transmission connection with the transmission mechanism. The utility model discloses a direct drive latch hook colludes with the hasp and connects. When the cover is opened, the lock hook rotates anticlockwise. When the cover is closed, the locking hook rotates clockwise. The use of spare part can be reduced, overall structure is simpler and the transmission is more reasonable.
Description
Technical Field
The utility model relates to a centrifuge lock structure with function of promptly uncapping.
Background
Chinese utility model patent document No. CN211707107U discloses a cover closing and opening mechanism of a refrigerated centrifuge in 20 days 10 months in 2020. In this prior art, through the electronic lock subassembly include the box and set up latch hook, torsional spring, lock stopper, micro motor, gear and eccentric block in the box, the latch hook with the lock stopper rotationally install respectively in the box, the one end of latch hook with the torsional spring link to each other, the latch hook on be provided with first hook portion and second hook portion, the top cap of box on seted up first breach, the lock stopper on be provided with third hook portion, the bottom of lock stopper link to each other with the driving plate, the driving plate with the eccentric block link to each other, the eccentric block with the gear link to each other, the gear install micro motor's output.
Based on the above, in the prior art, the lock catch is locked by the lock hook, and then the lock limiting block is used for driving the lock hook to rotate. And under the mode of uncapping, the motor drives lock stopper and latch hook separation, and the unable driven stopper of motor at this moment drives the latch hook and directly closes the lid and resets. Moreover, because the lock limiting block and the lock hook are arranged in a separated mode, after the cover is opened, in order to keep the lock hook at a certain angle and facilitate the cover closing, the lock catch can be matched with the lock hook in a locking mode, and a torsion spring is required to be arranged in the prior art to ensure the angle of the lock hook. The structure is complex, and the transmission effect is general.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a centrifuge door lock structure that direct drive latch hook realized that electricity drives and promptly unblanks.
The centrifugal machine door lock structure with the emergency cover opening function comprises a lock shell, wherein a through hole used for enabling a lock catch to extend into the lock shell is formed in the upper portion of the lock shell, a lock hook used for being hooked with the lock catch is arranged in the lock shell below the through hole, and the lock hook is rotatably arranged on the lock shell;
a transmission mechanism for driving the lock hook to rotate so as to enable the lock hook to be hooked with or separated from the lock catch is arranged in the lock shell;
an electric driving mechanism for driving the transmission mechanism to operate is arranged in the lock shell;
an emergency driving mechanism used for driving the transmission mechanism to operate is arranged in the lock shell, and the emergency driving mechanism is in transmission connection with the transmission mechanism.
Preferably, a first fixed shaft is arranged in the lock shell, and the lock hook is rotatably connected to the first fixed shaft;
the transmission mechanism comprises a first driven gear which is rotatably arranged in the lock shell, the first driven gear is hinged with a transmission rod, and the other end of the transmission rod is hinged with the lower end of the lock hook;
the emergency driving mechanism and the electric driving mechanism are in transmission connection with the first driven gear respectively.
Preferably, the electric driving mechanism includes a reduction motor disposed on the lock case, and a driving gear engaged with the first driven gear is disposed on a motor shaft of the reduction motor.
Preferably, the emergency driving mechanism comprises a rack which can move relative to the lock case, the rack is engaged with a first transmission gear, the first transmission gear is engaged with the first driven gear, and the first transmission gear is rotatably arranged in the lock case.
Preferably, a plurality of first guide posts are arranged in the lock shell, a guide groove is formed in the rack, and the first guide posts are movably inserted in the guide groove.
Preferably, the first guide posts are arranged longitudinally, the rack is arranged longitudinally, the lower end of the rack is provided with an insertion groove for inserting a key for opening the cover, and the lock shell is provided with a slot at a position corresponding to the insertion groove.
Preferably, the first driven gear is a sector gear, and the first driven gear is rotatably arranged on the lock shell through a first rotating shaft;
the first driven gear is further provided with an arc-shaped groove, the circle center of the arc-shaped groove is overlapped with the rotation axis of the first driven gear, and the lock shell is provided with a second guide column which is inserted into the arc-shaped groove.
Preferably, two limit switches for detecting the rotation position of the first driven gear are arranged in the lock shell.
The utility model has the advantages of simple and reasonable structure and good transmission effect, compared with the prior art, the lock hook used for hooking with the lock catch is arranged in the lock shell below the through hole, and the lock hook can be rotatably arranged on the lock shell; a transmission mechanism for driving the lock hook to rotate so as to enable the lock hook to be hooked with or separated from the lock catch is arranged in the lock shell; an electric driving mechanism for driving the transmission mechanism to operate is arranged in the lock shell; an emergency driving mechanism used for driving the transmission mechanism to operate is arranged in the lock shell, and the emergency driving mechanism is in transmission connection with the transmission mechanism. The utility model discloses a direct drive latch hook colludes with the hasp and connects. When the cover is opened, the lock hook rotates anticlockwise. When the cover is closed, the lock hook rotates clockwise. The use of spare part can be reduced, overall structure is simpler and the transmission is more reasonable.
Drawings
FIG. 1 is a schematic plan view of a cover in a closed state;
FIG. 2 is a schematic perspective view of the cover closing state;
fig. 3 is a schematic plan structure view of the latch hook in an open state in the uncapping state;
fig. 4 is a schematic perspective view of the present invention;
fig. 5 is a schematic perspective view of the lock installed in the centrifuge.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples.
Referring to fig. 1 to 5, a centrifugal door lock structure with an emergency cover opening function comprises a lock case 10, wherein a through hole 110 for extending a lock catch 100 into the lock case 10 is formed in the upper part of the lock case 10, and is characterized in that: a lock hook 120 for hooking the lock catch 100 is arranged in the lock case 10 below the through hole 110, and the lock hook 120 is rotatably arranged on the lock case 10;
a transmission mechanism 20 for driving the locking hook 120 to rotate so as to hook or separate the locking hook 120 and the lock catch 100 is arranged in the lock case 10;
an electric driving mechanism 40 for driving the transmission mechanism 20 to operate is arranged in the lock shell 10;
an emergency driving mechanism 30 for driving the transmission mechanism 20 to operate is arranged in the lock case 10, and the emergency driving mechanism 30 is in transmission connection with the transmission mechanism 20.
The utility model discloses a direct drive latch hook colludes with the hasp and connects. When the cover is opened, the lock hook rotates anticlockwise. When the cover is closed, the locking hook rotates clockwise. The use of spare part can be reduced, overall structure is simpler and the transmission is more reasonable. Compared with the prior art, the use of the lock limiting block and the torsion spring can be reduced, the production cost is saved, and meanwhile, the assembly steps can be simplified. Meanwhile, the transmission effect is better to a certain extent.
Referring to fig. 1 to 3, a first fixing shaft 130 is disposed in the lock housing 10, and the locking hook 120 is rotatably connected to the first fixing shaft 130;
the transmission mechanism 20 comprises a first driven gear 220 rotatably arranged in the lock shell 10, the first driven gear 220 is hinged with a transmission rod 210, and the other end of the transmission rod 210 is hinged with the lower end of the lock hook 120;
the emergency driving mechanism 30 and the electric driving mechanism 40 are respectively in transmission connection with the first driven gear 220.
When the emergency driving mechanism 30 or the electric driving mechanism 40 drives the first driven gear 220 to rotate counterclockwise, the first driven gear 220 rotates to drive the transmission rod 210 to move, and the transmission rod can drive the locking hook 120 to rotate counterclockwise around the first fixed shaft 130 as an axis, so that the locking hook 120 is separated from the latch 100, that is, the cover is opened.
On the contrary, when the cover needs to be closed, the door cover 70 of the centrifuge 80 is firstly closed, so that the lock catch 100 is inserted into the lock case 10, at this time, the emergency driving mechanism 30 or the electric driving mechanism 40 drives the first driven gear 220 to rotate clockwise, the first driven gear 220 rotates to drive the transmission rod 210 to move, and the transmission rod can drive the lock hook 120 to rotate clockwise by taking the first fixed shaft 130 as an axis, so that the lock hook 120 is hooked with the lock catch 100, that is, the cover closing locking is realized.
Referring to fig. 3 and 4, the electric driving mechanism 40 includes a reduction motor 410 disposed on the lock case 10, and a driving gear 420 engaged with the first driven gear 220 is disposed on a motor shaft of the reduction motor 410. The reduction motor 410 may be an existing commercially available product.
The speed reduction motor 410 drives the driving gear 420 to drive the first driven gear 220 to rotate, and the driving device is simple in structure, convenient to drive and good in transmission effect.
Referring to fig. 1 and 2, the emergency driving mechanism 30 includes a rack 310 capable of moving relative to the lock housing 10, the rack 310 is engaged with a first transmission gear 340, the first transmission gear 340 is engaged with the first driven gear 220, and the first transmission gear 340 is rotatably disposed in the lock housing 10.
When the electric driving mechanism 40 fails to operate due to power failure, a circuit board failure, or the like. The rack 310 is driven to move by external force, the first transmission gear 340 is driven to drive the first driven gear 220 to rotate, the first driven gear 220 rotates anticlockwise, and the transmission rod 210 can be pulled to drive the lock hook 120 to rotate anticlockwise to separate from the lock catch 100, so that the cover opening is realized.
Referring to fig. 1 to 3, a plurality of first guide posts 320 are arranged in the lock case 10, a guide slot 330 is arranged on the rack 310, and the first guide posts 320 are movably inserted into the guide slot 330. The first guide posts 320 are longitudinally arranged, the rack 310 is longitudinally arranged, the lower end of the rack 310 is provided with an insertion slot 311 for inserting the key 60 for opening the cover, and the lock case 10 is provided with a slot at a position corresponding to the insertion slot 311.
By adopting the guiding arrangement, the moving direction of the rack 310 is limited, and the moving stability of the rack 310 can be ensured.
The outer wall of the first guide post 320 is provided with threads, the first guide post 320 is in threaded connection with a nut, and the nuts are screwed into the first guide posts 320 at the front and rear sides of the rack 310, so that the front and rear positions of the rack 310 can be limited, and the rack 310 is prevented from being separated from the first guide post 320.
Referring to fig. 1, the first driven gear 220 is a sector gear, and the first driven gear 220 is rotatably disposed on the lock case 10 through a first rotating shaft 230;
the first driven gear 220 is further provided with an arc-shaped slot 240, a circle center of the arc-shaped slot 240 coincides with a rotation axis of the first driven gear 220, and the lock shell 10 is provided with a second guide post 250 inserted into the arc-shaped slot 240.
The arrangement of the arc-shaped slot 240 can effectively ensure the rotational stability of the first driven gear 220.
The outer wall of the second guide post 250 is provided with a screw thread, the second guide post 250 is connected with a nut through the screw thread, and the nut is screwed into the second guide post 250 at the front side and the rear side of the first driven gear 220, so that the front and rear positions of the first driven gear 220 can be limited, and the first driven gear is prevented from being separated from the second guide post 250.
Referring to fig. 1, two limit switches 50 for detecting the rotational position of the first driven gear 220 are provided in the lock case 10. The limit switch 50 is a commercially available product, is disposed on the lock case behind the first driven gear 220, and detects the position of the limit switch 50 by determining whether the first driven gear 220 is located in front of the limit switch and transmits a signal to a circuit board of the lock. The specific circuit structure of the circuit board can be realized by adopting the technology of the existing limit switch.
Those not described in detail in this specification are within the skill of the art.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore are not to be construed as limiting the invention, and the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying a number of technical features indicated.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. The utility model provides a centrifuge lock structure with function of promptly uncapping, includes lock shell (10), the upper portion of lock shell (10) is equipped with through-hole (110) that are used for stretching into lock shell (10) inside with hasp (100), its characterized in that: a lock hook (120) used for hooking with the lock catch (100) is arranged in the lock shell (10) below the through hole (110), and the lock hook (120) can be rotatably arranged on the lock shell (10);
a transmission mechanism (20) for driving the lock hook (120) to rotate so as to hook or separate the lock hook (120) and the lock catch (100) is arranged in the lock shell (10);
an electric driving mechanism (40) for driving the transmission mechanism (20) to operate is arranged in the lock shell (10);
an emergency driving mechanism (30) used for driving the transmission mechanism (20) to operate is arranged in the lock shell (10), and the emergency driving mechanism (30) is in transmission connection with the transmission mechanism (20).
2. The centrifugal door lock structure with the emergency cover opening function according to claim 1, wherein: a first fixed shaft (130) is arranged in the lock shell (10), and the lock hook (120) is rotatably connected to the first fixed shaft (130);
the transmission mechanism (20) comprises a first driven gear (220) rotatably arranged in the lock shell (10), the first driven gear (220) is hinged with a transmission rod (210), and the other end of the transmission rod (210) is hinged with the lower end of the lock hook (120);
the emergency driving mechanism (30) and the electric driving mechanism (40) are in transmission connection with the first driven gear (220) respectively.
3. The centrifuge door lock structure with the emergency door opening function according to claim 2, wherein: the electric driving mechanism (40) comprises a speed reducing motor (410) arranged on the lock shell (10), and a driving gear (420) meshed with the first driven gear (220) is arranged on a motor shaft of the speed reducing motor (410).
4. The centrifuge door lock structure with the emergency door opening function according to claim 2, characterized in that: the emergency driving mechanism (30) comprises a rack (310) capable of moving relative to the lock shell (10), a first transmission gear (340) is meshed with the rack (310), the first transmission gear (340) is meshed with the first driven gear (220), and the first transmission gear (340) is rotatably arranged in the lock shell (10).
5. The centrifugal door lock structure with the emergency cover opening function according to claim 4, wherein: a plurality of first guide columns (320) are arranged in the lock shell (10), guide grooves (330) are formed in the rack (310), and the first guide columns (320) are movably inserted into the guide grooves (330).
6. The centrifuge door lock structure with the emergency door opening function according to claim 5, characterized in that: the lock shell is characterized in that the first guide posts (320) are longitudinally arranged, the racks (310) are longitudinally arranged, slots (311) for inserting the cover opening keys (60) are formed in the lower ends of the racks (310), and grooves are formed in the positions, corresponding to the slots (311), of the lock shell (10).
7. The centrifugal door lock structure with the emergency door opening function according to any one of claims 2 to 6, wherein: the first driven gear (220) is a sector gear, and the first driven gear (220) is rotatably arranged on the lock shell (10) through a first rotating shaft (230);
the first driven gear (220) is further provided with an arc-shaped groove (240), the circle center of the arc-shaped groove (240) is overlapped with the rotation axis of the first driven gear (220), and the lock shell (10) is provided with a second guide column (250) which is inserted into the arc-shaped groove (240).
8. The centrifugal door lock structure with the emergency door opening function according to any one of claims 2 to 6, wherein: two limit switches (50) used for detecting the rotating position of the first driven gear (220) are arranged in the lock shell (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222689749.4U CN218438796U (en) | 2022-10-12 | 2022-10-12 | Centrifuge door lock structure with function of promptly uncapping |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222689749.4U CN218438796U (en) | 2022-10-12 | 2022-10-12 | Centrifuge door lock structure with function of promptly uncapping |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218438796U true CN218438796U (en) | 2023-02-03 |
Family
ID=85043678
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222689749.4U Active CN218438796U (en) | 2022-10-12 | 2022-10-12 | Centrifuge door lock structure with function of promptly uncapping |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218438796U (en) |
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2022
- 2022-10-12 CN CN202222689749.4U patent/CN218438796U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Floor 3, Building B, No. 8, Longchang Road West, Pingpu Industrial Zone, Dabu Village, Sanxiang Town, Zhongshan City, Guangdong Province, 528400 Patentee after: Wande Funat (Zhongshan) Biotechnology Co.,Ltd. Address before: Floor 3, Building B, No. 8, Longchang Road West, Pingpu Industrial Zone, Dabu Village, Sanxiang Town, Zhongshan City, Guangdong Province, 528400 Patentee before: Jiemao Wandefu (Zhongshan) Biotechnology Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |