CN211707107U - Cover closing and opening mechanism of refrigerated centrifuge - Google Patents
Cover closing and opening mechanism of refrigerated centrifuge Download PDFInfo
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- CN211707107U CN211707107U CN201922204697.5U CN201922204697U CN211707107U CN 211707107 U CN211707107 U CN 211707107U CN 201922204697 U CN201922204697 U CN 201922204697U CN 211707107 U CN211707107 U CN 211707107U
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Abstract
The utility model discloses a cover closing and opening mechanism of a refrigerated centrifuge, which comprises a base, wherein a supporting plate, a first bracket and a second bracket are fixed on the base; the electronic lock assembly is used for fastening the lock hook when the upper cover is closed and loosening the lock hook when the upper cover is opened; the first support is provided with a gas spring, and the upper end of the gas spring is connected with the bottom surface of the upper cover; the second support is close to the gas spring, and the hinge is installed to the side of second support, and one side of upper cover is rotationally installed on the second support through the hinge. When the upper cover is opened and closed, the upper cover cannot be closed suddenly and quickly, the supporting force of the air spring is uniform in the whole travel range of the upper cover, and the stable, safe and reliable cover turning and closing processes of the upper cover can be ensured. The cover closing and opening mechanism is simple in structure and convenient to assemble, and can effectively improve the stability and efficiency of the cover closing and opening of the upper cover of the refrigerated centrifuge.
Description
Technical Field
The utility model relates to a close lid and opening mechanism specifically is a lid and opening mechanism close of freezing centrifuge.
Background
The centrifugal machine is used for separating matter, belongs to basic laboratory equipment and is used widely in life science, medicine, chemistry, environment protection and other fields. At present, a laboratory centrifuge basically adopts an electromagnet uncovering mechanism to uncover, the electromagnet uncovering mechanism has certain failure risk, and an unreliable factor exists due to the fact that the uncovering success rate is determined by the magnetism of the electromagnet and the friction force between the mechanisms. In addition, what current laboratory centrifuge flip mechanism adopted mostly is the integrated configuration of torsional spring and pivot, and this mechanism uses the back for a long time, and the torsion change of torsional spring leads to the upper cover to bounce highly inconsistent, exists certain friction between torsional spring and the pivot simultaneously, can send slight abnormal sound.
Disclosure of Invention
The utility model aims to solve the technical problem that, to prior art not enough, provide a simple structure, the refrigerated centrifuge's of being convenient for assembly close lid and opening mechanism.
The utility model provides a technical scheme that above-mentioned technical problem adopted does: a cover closing and opening mechanism of a refrigerated centrifuge comprises a base, wherein a supporting plate, a first bracket and a second bracket are fixed on the base; the electronic lock assembly is used for fastening the lock hook when the upper cover is closed and loosening the lock hook when the upper cover is opened; the first support is provided with a gas spring, and the upper end of the gas spring is connected with the bottom surface of the upper cover; the second support is close to the gas spring, a hinge is installed on the side face of the second support, and one side of the upper cover is rotatably installed on the second support through the hinge.
The utility model discloses freezing centrifuge's lid and opening mechanism installation back, the air spring is exerted an ascending elasticity to the upper cover all the time to the upper cover can not close the lid suddenly fast when opening and closing the upper cover, and the holding power of air spring is even in the whole stroke range of upper cover, can ensure the flip of upper cover and close lid process stability, safety, reliable. The utility model discloses freezing centrifuge's lid that closes and opening mechanism simple structure, the assembly of being convenient for can effectively improve the stability and the efficiency that close the lid and open of freezing centrifuge's upper cover.
Preferably, the electronic lock assembly comprises a box body, and a lock hook, a torsion spring, a lock limiting block, a micro motor, a gear and an eccentric block which are arranged in the box body, wherein the lock hook and the lock limiting block are respectively and rotatably arranged in the box body, one end of the lock hook is connected with the torsion spring, a first hook part and a second hook part are arranged on the lock hook, a first notch is formed in a top cover of the box body, a third hook part is arranged on the lock limiting block, the bottom of the lock limiting block is connected with a transmission plate, the transmission plate is connected with the eccentric block, the eccentric block is connected with the gear, the gear is arranged at the output end of the micro motor, when the upper cover is closed, the lock hook penetrates through the first notch to extend into the box body, the first hook part is fastened with the lock hook, the third hook part is fastened on the second hook part; when the upper cover is opened, the micro motor works, the gear drives the eccentric block to rotate, the transmission plate is pushed to move, the transmission plate drives the lock limiting block to rotate, the third hook part is separated from the second hook part, the lock hook rotates and is separated from the lock catch hook, and the air spring bounces the upper cover. The micro motor is matched with the gear, the eccentric block, the transmission plate and the like, the transmission is reliable, the electronic lock assembly can be ensured to be stable and reliable in structure, and the invalid action of the traditional electromagnet cover opening mechanism can not occur.
Preferably, the emergency cover opening system comprises a manual cover opening rod, a guide plate and a guide rod, wherein the manual cover opening rod is vertically arranged in the box body, the top end of the manual cover opening rod is fixed at the bottom of the lock limiting block, the bottom end of the manual cover opening rod is fixed on the transmission plate, the transmission plate is horizontally arranged in the box body, the guide plate is fixed on the supporting plate, the guide plate is positioned on the outer side of the box body, the guide rod is slidably arranged on the guide plate, a second notch is formed in the side wall of the box body, close to the guide plate, and is close to and opposite to the manual cover opening rod, one end of the guide rod is opposite to the second notch, and a through hole is formed in the side plate of the refrigerated centrifuge, the other end of the guide rod is inserted into the through hole. Under the unexpected circumstances such as outage, the system of uncapping, safe and reliable promptly can uncap through uncapping promptly. When uncapping under the unexpected condition, with the help of the tip of the guide bar in a foreign object roof pressure through-hole, make the guide bar along the deflector cunning to manual pole of uncapping, when the guide bar passes the second breach and contacts with manual pole of uncapping, the guide bar transmits thrust to manual pole of uncapping, and manual pole of uncapping drives the lock stopper and rotates, makes lock stopper and latch hook relieve spacingly, and the latch hook rotates and with the hasp hook separation, and the air spring is about to the upper cover and pops open.
Furthermore, the guide rod is obliquely arranged on the guide plate, and the sliding track of the guide rod on the guide plate is obliquely inclined to the second notch from top to bottom. The guide rod adopts the tilting mounting mode, is favorable to improving the gliding smoothness nature of guide rod on the deflector, ensures that the guide rod can reliably roof pressure to manual uncapping pole under the emergency uncapping condition.
Preferably, a first mounting head is fixed at the top end of the first bracket, a first pin bolt is mounted on the first mounting head, and the lower end of the gas spring is rotatably mounted on the first mounting head through the first pin bolt; the bottom surface of upper cover install the second installation head, the second installation overhead second pin bolt of installing, the upper end of air spring pass through second pin bolt rotationally install the second installation overhead. The air spring is installed through the cooperation of the first pin bolt, the second pin bolt, the first installation head and the second installation head, and the air spring is simple in structure and convenient to install.
Preferably, the support plate is fixed on one side of the base, the second support is fixed on the other side of the base, a liner support is fixed in the middle of the base, a liner fixing plate is fixed on the liner support, a liner of the refrigerated centrifuge is fixed on the liner fixing plate, and two sides of the liner fixing plate are respectively fixedly connected with the support plate and the second support. The supporting plate, the first support, the second support and the inner container fixing plate form a stable-structure supporting system, so that the internal structure of the refrigerated centrifuge is more stable and reliable.
Compared with the prior art, the utility model has the advantages of as follows: the utility model discloses a refrigerated centrifuge's lid that closes installs the back with opening mechanism, and an ascending elasticity is applyed all the time to the upper cover to the air spring to the upper cover can not close the lid suddenly fast when opening and closing the upper cover, and the holding power of air spring is even in the whole stroke range of upper cover, can ensure the flip of upper cover and close lid process stability, safety, reliable. The utility model discloses freezing centrifuge's lid that closes and opening mechanism simple structure, the assembly of being convenient for can effectively improve the stability and the efficiency that close the lid and open of freezing centrifuge's upper cover.
Drawings
FIG. 1 is a schematic structural view of a refrigerated centrifuge in an embodiment in a closed state;
FIG. 2 is a schematic structural view of a refrigerated centrifuge in an embodiment in an open-lid state;
fig. 3 is a schematic view of the structure and relative position of the electronic lock assembly and the emergency door opening system in the embodiment.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments.
The cover closing and opening mechanism of the refrigerated centrifuge of embodiment 1, as shown in the figure, comprises a base 1, wherein a support plate 11, a first bracket 12 and a second bracket 13 are fixed on the base 1; the electronic lock assembly is arranged on the supporting plate 11, a locking hook 21 is fixed at the bottom of the upper cover 2 of the refrigerated centrifuge, and the electronic lock assembly is used for fastening the locking hook 21 when the upper cover 2 is closed and loosening the locking hook 21 when the upper cover 2 is opened; the first bracket 12 is provided with a gas spring 3, and the upper end of the gas spring 3 is connected with the bottom surface of the upper cover 2; the second bracket 13 is close to the gas spring 3, a hinge 14 is installed at a side of the second bracket 13, and one side of the upper cover 2 is rotatably installed on the second bracket 13 through the hinge 14.
In embodiment 1, the electronic lock assembly includes a box 4, a lock hook 5 disposed in the box 4, a torsion spring 6, a lock limit block 7, a micro motor 8, a gear 81 and an eccentric block 82, wherein the lock hook 5 and the lock limit block 7 are respectively rotatably mounted in the box 4, one end of the lock hook 5 is connected to the torsion spring 6, the lock hook 5 is provided with a first hook portion 51 and a second hook portion 52, a top cover 42 of the box 4 is provided with a first notch 41, the lock limit block 7 is provided with a third hook portion 71, the bottom of the lock limit block 7 is connected to a transmission plate 72, the transmission plate 72 is connected to the eccentric block 82, the eccentric block 82 is connected to the gear 81, the gear 81 is mounted at an output end of the micro motor 8, when the upper cover 2 is closed, the lock hook 21 passes through the first notch 41 and extends into the box 4, the first hook portion 51 fastens the lock hook 21, and the third hook portion 71 fastens the second; when upper cover 2 is opened, micro motor 8 works, drives eccentric block 82 through gear 81 and rotates, promotes driving plate 72 and removes, drives lock stopper 7 by driving plate 72 and rotates, makes third hook portion 71 and second hook portion 52 break away from, and latch hook 5 rotates and with lock clasp 21 separation, and air spring 3 pops upper cover 2 open.
In embodiment 1, the first mounting head 15 is fixed to the top end of the first frame 12, the first mounting head 15 is mounted with the first pin bolt 16, and the lower end of the gas spring 3 is rotatably mounted on the first mounting head 15 by the first pin bolt 16; a second mounting head 22 is mounted on the bottom surface of the upper cover 2, a second pin bolt 23 is mounted on the second mounting head 22, and the upper end of the gas spring 3 is rotatably mounted on the second mounting head 22 by the second pin bolt 23.
In embodiment 1, the supporting plate 11 is fixed on one side of the base 1, the second bracket 13 is fixed on the other side of the base 1, the inner container bracket 17 is fixed in the middle of the base 1, the inner container fixing plate 18 is fixed on the inner container bracket 17, the inner container 19 of the refrigerated centrifuge is fixed on the inner container fixing plate 18, and two sides of the inner container fixing plate 18 are respectively fixedly connected with the supporting plate 11 and the second bracket 13.
The cover closing and opening mechanism of the refrigerated centrifuge in embodiment 2 is different from that in embodiment 1 in that the cover closing and opening mechanism of the refrigerated centrifuge in embodiment 2 further includes an emergency cover opening system, the emergency cover opening system includes a manual cover opening rod 91, a guide plate 92 and a guide rod 93, the manual cover opening rod 91 is vertically arranged in the box body 4, the top end of the manual cover opening rod 91 is fixed at the bottom of the lock limiting block 7, the bottom end of the manual cover opening rod 91 is fixed on the transmission plate 72, the transmission plate 72 is horizontally arranged in the box body 4, the guide plate 92 is fixed on the support plate 11, the guide plate 92 is located at the outer side of the box body 4, the guide rod 93 is slidably and obliquely arranged on the guide plate 92, the side wall of the box body 4 close to the guide plate 92 is provided with a second notch 43, the second notch 43 is close to and opposite to the manual cover opening rod 91, one end of the guide rod 93 is, the sliding track of the guide rod 93 on the guide plate 92 is inclined to the second notch 43 from top to bottom, a through hole is formed on a side plate (not shown) of the refrigerated centrifuge, and the other end of the guide rod 93 is inserted into the through hole. When uncapping under the unexpected circumstances such as outage, with the help of the tip of guide bar 93 in a foreign object (for example screwdriver) roof pressure through-hole, make guide bar 93 slide to manual uncapping pole 91 along deflector 92, when guide bar 93 passed second breach 43 and manual uncapping pole 91 contact, guide bar 93 transmits the thrust to manual uncapping pole 91, manual uncapping pole 91 drives lock stopper 7 and rotates, it is spacing to make lock stopper 7 and latch hook 5 relieve, latch hook 5 rotates and separates with lock clip 21, gas spring 3 is about to the 2 upsprings of upper cover.
Claims (6)
1. The utility model provides a close lid and opening mechanism of refrigerated centrifuge which characterized in that: the device comprises a base, wherein a supporting plate, a first bracket and a second bracket are fixed on the base; the electronic lock assembly is used for fastening the lock hook when the upper cover is closed and loosening the lock hook when the upper cover is opened; the first support is provided with a gas spring, and the upper end of the gas spring is connected with the bottom surface of the upper cover; the second support is close to the gas spring, a hinge is installed on the side face of the second support, and one side of the upper cover is rotatably installed on the second support through the hinge.
2. A lid closing and opening mechanism for a refrigerated centrifuge as recited in claim 1, further comprising: the electronic lock assembly comprises a box body, and a lock hook, a torsion spring, a lock limiting block, a micro motor, a gear and an eccentric block which are arranged in the box body, wherein the lock hook and the lock limiting block are respectively and rotatably arranged in the box body, one end of the lock hook is connected with the torsion spring, a first hook part and a second hook part are arranged on the lock hook, a first gap is formed in a top cover of the box body, a third hook part is arranged on the lock limiting block, the bottom of the lock limiting block is connected with a transmission plate, the transmission plate is connected with the eccentric block, the eccentric block is connected with the gear, the gear is arranged at the output end of the micro motor, when the upper cover is closed, the lock hook penetrates through the first gap and extends into the box body, and the first hook part fastens the lock hook, the third hook part is fastened on the second hook part; when the upper cover is opened, the micro motor works, the gear drives the eccentric block to rotate, the transmission plate is pushed to move, the transmission plate drives the lock limiting block to rotate, the third hook part is separated from the second hook part, the lock hook rotates and is separated from the lock catch hook, and the air spring bounces the upper cover.
3. A lid closing and opening mechanism for a refrigerated centrifuge as recited in claim 2, further comprising: the emergency cover opening system comprises a manual cover opening rod, a guide plate and a guide rod, wherein the manual cover opening rod is vertically arranged in the box body, the top end of the manual cover opening rod is fixed at the bottom of the lock limiting block, the bottom end of the manual cover opening rod is fixed on the transmission plate, the transmission plate is horizontally arranged in the box body, the guide plate is fixed on the supporting plate, the guide plate is positioned on the outer side of the box body, the guide rod is slidably arranged on the guide plate, a second notch is formed in the side wall of the box body, close to the guide plate, and is close to and opposite to the manual cover opening rod, one end of the guide rod is opposite to the second notch, and a through hole is formed in the side plate of the refrigerated centrifuge, the other end of the guide rod is inserted into the through hole.
4. A lid closing and opening mechanism for a refrigerated centrifuge as recited in claim 3, further comprising: the guide rod is obliquely arranged on the guide plate, and the sliding track of the guide rod on the guide plate is obliquely inclined to the second notch from top to bottom.
5. A lid closing and opening mechanism for a refrigerated centrifuge as recited in claim 1, further comprising: a first mounting head is fixed at the top end of the first bracket, a first pin bolt is mounted on the first mounting head, and the lower end of the gas spring is rotatably mounted on the first mounting head through the first pin bolt; the bottom surface of upper cover install the second installation head, the second installation overhead second pin bolt of installing, the upper end of air spring pass through second pin bolt rotationally install the second installation overhead.
6. A lid closing and opening mechanism for a refrigerated centrifuge as recited in claim 1, further comprising: the support plate is fixed on one side of the base, the second support is fixed on the other side of the base, a liner support is fixed in the middle of the base, a liner fixing plate is fixed on the liner support, a liner of the refrigerated centrifuge is fixed on the liner fixing plate, and two sides of the liner fixing plate are fixedly connected with the support plate and the second support respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922204697.5U CN211707107U (en) | 2019-12-11 | 2019-12-11 | Cover closing and opening mechanism of refrigerated centrifuge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922204697.5U CN211707107U (en) | 2019-12-11 | 2019-12-11 | Cover closing and opening mechanism of refrigerated centrifuge |
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| Publication Number | Publication Date |
|---|---|
| CN211707107U true CN211707107U (en) | 2020-10-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922204697.5U Active CN211707107U (en) | 2019-12-11 | 2019-12-11 | Cover closing and opening mechanism of refrigerated centrifuge |
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| CN (1) | CN211707107U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113005009A (en) * | 2021-03-30 | 2021-06-22 | 西安国际医学中心有限公司 | Adipose tissue cleaning and purifying device |
-
2019
- 2019-12-11 CN CN201922204697.5U patent/CN211707107U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113005009A (en) * | 2021-03-30 | 2021-06-22 | 西安国际医学中心有限公司 | Adipose tissue cleaning and purifying device |
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