CN112170027B - Centrifugal device for genetic engineering - Google Patents
Centrifugal device for genetic engineering Download PDFInfo
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- CN112170027B CN112170027B CN202010971320.7A CN202010971320A CN112170027B CN 112170027 B CN112170027 B CN 112170027B CN 202010971320 A CN202010971320 A CN 202010971320A CN 112170027 B CN112170027 B CN 112170027B
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- fixedly arranged
- sides
- motor
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- 238000010353 genetic engineering Methods 0.000 title claims abstract description 26
- 230000007246 mechanism Effects 0.000 claims abstract description 29
- 238000005192 partition Methods 0.000 claims abstract description 12
- 238000010438 heat treatment Methods 0.000 claims description 13
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 5
- 229910052799 carbon Inorganic materials 0.000 claims description 4
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 3
- 239000004917 carbon fiber Substances 0.000 claims description 3
- 239000000956 alloy Substances 0.000 claims description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims 1
- 230000002457 bidirectional effect Effects 0.000 description 10
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 238000000926 separation method Methods 0.000 description 4
- 230000001360 synchronised effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000036760 body temperature Effects 0.000 description 2
- 238000005119 centrifugation Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000013612 plasmid Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Classifications
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- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B5/00—Other centrifuges
- B04B5/04—Radial chamber apparatus for separating predominantly liquid mixtures, e.g. butyrometers
- B04B5/0407—Radial chamber apparatus for separating predominantly liquid mixtures, e.g. butyrometers for liquids contained in receptacles
- B04B5/0414—Radial chamber apparatus for separating predominantly liquid mixtures, e.g. butyrometers for liquids contained in receptacles comprising test tubes
- B04B5/0421—Radial chamber apparatus for separating predominantly liquid mixtures, e.g. butyrometers for liquids contained in receptacles comprising test tubes pivotably mounted
-
- 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
-
- 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
- B04B2007/025—Lids for laboratory centrifuge rotors
Abstract
The invention relates to the technical field of genetic engineering experimental equipment, in particular to a centrifugal device for genetic engineering, which comprises a shell, wherein a partition plate is arranged in the shell, the outer side walls of the partition plate are respectively and fixedly arranged on the inner side walls of the shell, a shaft sleeve is arranged at the top of the partition plate, a motor is fixedly arranged at the bottom of the shell, an output shaft of the motor penetrates through the shaft sleeve and is rotatably arranged in the shaft sleeve, an angle rotor is arranged in the shell, the centrifugal device also comprises a wire, one side of the top of the shell is hinged with a top door cover, one side of the top door cover is hinged with a handle, a door lock mechanism is arranged in the shell, an electric push rod is fixedly arranged at one side of the shell, a controller button is fixedly arranged outside the electric shell, and a lantern ring is fixedly arranged at the middle part of one side of the top door cover; through setting up lock mechanism cooperation controller, start through controller control electric putter, electric putter promotes the impeller block antedisplacement, and the sleeve pipe one end runs through the lantern ring, and the sleeve pipe can block to establish in the lantern ring to carry out spacing fixed to top door closure.
Description
Technical Field
The invention relates to the technical field of genetic engineering experimental equipment, in particular to a centrifugal device for genetic engineering.
Background
Centrifugal machine uses centrifugal force produced by rotary head to separate substances with different densities and different particle sizes from suspension or emulsion, or uses the instrument for analysis at the same time of separation, and its application field is extensive. The centrifugal machine for genetic engineering is a small centrifugal machine which is specially used for experimental analysis. The centrifugal machine makes the object rotating around the fixed rotation shaft generate the action of the gravity field of the simulated earth by the centrifugal force, so that the object performs sedimentation movement, and the instrument and the device separate fractions with different densities and different molecules t in the substance. At present, the centrifugal machine for genetic engineering is widely applied to scientific research and production departments, and becomes one of important instruments and equipment for modern scientific research. The centrifugal machine for genetic engineering is a necessary device for scientific research and production in the industries of biology, medicine, agriculture, biological engineering, genetic engineering and the like.
In order to consider the use safety of centrifuge and protect the sample in the centrifuge, current centrifuge should close the top cap before through setting up top cap and centrifuge work, and current centrifuge's top cap owing to not having the hasp structure, on the one hand can't carry out spacing fixedly to the top cap, simultaneously owing to can open the top cap in the centrifuge operation, causes the centrifuging tube to break because of the vibration after, and glass piece rotatory flies out, takes place the accident, and we propose a centrifugal device for genetic engineering for this reason.
Disclosure of Invention
The invention aims to solve the defect that a top cover of a centrifugal machine for genetic engineering cannot be limited and fixed due to the fact that the top cover is not provided with a locking structure in the prior art.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the centrifugal device for genetic engineering comprises a shell, wherein a baffle is arranged in the shell, the outer side wall of the baffle is respectively and fixedly arranged on the inner side wall of the shell, a shaft sleeve is arranged at the top of the baffle, a motor is fixedly arranged at the bottom in the shell, an output shaft of the motor penetrates through the shaft sleeve and is rotatably arranged in the shaft sleeve, an angle rotor is arranged in the shell, the bottom of the angle rotor is fixedly arranged at the top end part of the output shaft of the motor, the centrifugal device further comprises a wire, the wire penetrates through the shell and is electrically connected with the motor, one side of the top of the shell is hinged with a top door cover, a handle is fixedly arranged at one side of the top door cover, a door lock mechanism is arranged in the shell and comprises a U-shaped plate, the U-shaped plate is fixedly arranged at the upper end of one side of the shell, a sleeve is arranged in the U-shaped plate, the two ends of the sleeve respectively penetrate through the U-shaped plate and the side wall of the shell, the sleeve is sleeved with a disc, the disc is fixedly connected with the sleeve, the disc is positioned in a U-shaped plate, the sleeve is sleeved with a first spring, two ends of the first spring are respectively and fixedly connected to the disc and the side wall of a shell, two sides of the U-shaped plate are respectively provided with a sliding groove, the bottom of the sliding groove is respectively provided with a clamping groove, two sides of the disc are respectively and fixedly provided with a sliding block, the sliding blocks are respectively and slidably arranged in the sliding grooves, the bottom of the disc is respectively and fixedly provided with a pushing block, one side of the shell is fixedly provided with an electric push rod, the output end of the electric push rod is fixedly connected to one side of the pushing block, the outside of the shell is fixedly provided with a controller, an electric push rod signal is connected to the controller, the controller is used for controlling the electric push rod, and a lantern ring is fixedly arranged in the middle of one side of the top door cover.
Preferably, the outer side of the shell is provided with an electrifying self-locking mechanism, the electrifying self-locking mechanism comprises an outer box body, one side and the upper end of the outer box body are open, the outer box body is fixedly arranged on the outer side of the shell, a PTC heating body is arranged in the outer box body, the PTC heating body is sleeve-shaped, one end of the PTC heating body is fixedly arranged on the shell, the PTC heating body is electrically connected with an external power supply through a wire, a cylinder sleeve is inserted in the PTC heating body, one end of the cylinder sleeve is fixedly arranged on the shell, the outer side wall of the cylinder sleeve is attached to the PTC heating body, the cylinder sleeve is made of aluminum alloy, a piston is arranged in the cylinder sleeve, thermosensitive gas is filled in the cylinder sleeve, slide ways are respectively arranged on two sides of the cylinder sleeve, movable blocks are fixedly arranged in the slide ways in a sliding mode, a second spring is respectively arranged in the slide ways, the two ends of the second spring are respectively and fixedly connected to the inner side wall of the slideway and the movable block, a piston rod is fixedly arranged at the center of one end of the piston, two vertical plates which are distributed at intervals are fixedly arranged at the bottom in the outer box body, a spline is arranged between the two vertical plates, one end of the spline is fixedly provided with a first screw rod, one end of the first screw rod penetrates through one vertical plate and is in threaded connection with the vertical plate, the first screw rod is in threaded connection with the sleeve, the other end of the spline is fixedly provided with a second screw rod, one end of the second screw rod penetrates through the other vertical plate and is in threaded connection with the vertical plate, a first rotating shaft is arranged between the two vertical plates, two ends of the first rotating shaft are respectively and rotatably arranged on the vertical plates at two sides, a first gear is fixedly arranged on the first rotating shaft and is meshed with the spline, one end of the first rotating shaft penetrates through the vertical plate, the utility model discloses a box body, including the riser, first pivot tip fixed mounting has the worm wheel, is located one side fixed mounting has two spaced apart supporting shoe on the riser, two be equipped with the worm between the supporting shoe, the rotatable setting respectively in worm both ends is on the supporting shoe, worm and worm wheel engagement, the rotatable second pivot that is provided with in outer box body outside, second pivot one end runs through the supporting shoe of outer box body and one side and with worm fixed connection, fixed mounting has the second gear in the second pivot, the second gear is located outer box body, piston rod tip fixed mounting has the rack, rack and second gear engagement, the groove has all been seted up to outer box body top both sides, outer box body top is equipped with the apron, the equal fixed mounting picture peg in apron bottom both sides, the picture peg can be inserted respectively and establish in the groove.
Preferably, a quick braking mechanism is arranged in the shell, the quick braking mechanism comprises a brake wheel, the brake wheel is sleeved on an output shaft of the motor, the brake wheel is positioned below the partition plate, two lever shafts which are rotatably arranged at the bottom in the shell and are distributed at intervals are respectively arranged at two sides of the motor, levers are fixedly arranged at the upper ends of the lever shafts, brake shoes are hinged at one ends of two opposite sides of the levers, two brake shoes are arranged in a mirror image mode, the brake shoes are attached to the brake wheel, connecting pieces are fixedly arranged at the other ends of two opposite sides of the levers, two supporting plates which are distributed at intervals are fixedly arranged at the bottom in the shell, third springs are fixedly arranged at the back sides of the two supporting plates, one ends of the two third springs are fixedly connected to the connecting pieces respectively, the third springs are in a contracted state, the distance from the lever shaft to the brake shoe is smaller than the distance from the lever shaft to the connecting piece, two movable plates which are distributed at intervals are arranged between the two supporting plates, two guide rods are arranged between the two supporting plates, the two guide rods penetrate through the two movable plates and are respectively arranged at two ends of the movable plates, the two ends of the guide rods are respectively and fixedly arranged on the supporting plates at two sides, a bidirectional screw rod is arranged between the two supporting plates, the bidirectional screw rod penetrates through the two movable plates and is in threaded connection with the two movable plates, the two ends of the bidirectional screw rod are arranged between the two guide rods and are respectively and rotatably arranged on the supporting plates at two sides, connecting blocks are fixedly arranged at one end of the top of the lever, the connecting blocks positioned at the same side are connected with the movable plates through steel ropes, a third rotating shaft is rotatably arranged at one side outside the shell, one end of the third rotating shaft penetrates through the shell and one side of the supporting plate and is fixedly connected with the bidirectional screw rod, chain wheels are fixedly installed at the end parts of the third rotating shaft and the end part of the second rotating shaft, and the two chain wheels are in chain transmission.
Preferably, suction cups are fixedly arranged at four corners of the bottom of the shell.
Preferably, the motor is a carbon brush-free variable frequency motor, the angle turning head is made of carbon fibers, and the angle turning head adopts a small inclination angle design.
The centrifugal device for genetic engineering provided by the invention has the beneficial effects that: the door lock mechanism is matched with the controller, the controller controls the electric push rod to start, the electric push rod pushes the pushing block to move forwards, one end of the sleeve penetrates through the sleeve ring, and the sleeve can be clamped in the sleeve ring, so that the top door cover is limited and fixed; by arranging the electrifying self-locking mechanism, when the motor is started, one end of the first screw rod is in threaded connection in the sleeve; therefore, the first screw rod and the sleeve are connected into a whole, the electric push rod cannot drive the sleeve to move, so that misoperation is avoided to open the top door cover, meanwhile, the worm and worm gear transmission is arranged, and the self-locking performance is achieved, so that the first screw rod cannot be rotated by manpower to separate from the sleeve, and the situation that the top door cover cannot be opened in a centrifugal state of the device is guaranteed.
Drawings
Fig. 1 is a schematic structural diagram of a centrifugal device for genetic engineering according to the present invention.
Fig. 2 is a schematic diagram of a centrifugal device for genetic engineering according to the second embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a centrifugal device for genetic engineering according to the present invention.
Fig. 4 is a cross-sectional view of a centrifugal device for genetic engineering according to the present invention.
Fig. 5 is an enlarged partial cross-sectional view of a door lock mechanism of a centrifugal device for genetic engineering according to the present invention.
Fig. 6 is an enlarged schematic view of a centrifugal device for genetic engineering according to the present invention at a position a in fig. 4.
Fig. 7 is an enlarged cross-sectional view of a PTC heater of a centrifugal device for genetic engineering according to the present invention.
Fig. 8 is an enlarged schematic view of a quick braking mechanism of a centrifugal device for genetic engineering according to the present invention.
In the figure: the device comprises a shell 1, a motor 2, a partition plate 3, a shaft sleeve 4, an angle rotator 5, a wire 6, a top door cover 7, a handle 8, a U-shaped plate 9, a sleeve 10, a disc 11, a first spring 12, a chute 13, a clamping groove 14, a sliding block 15, a clamping block 16, a pushing block 17, an electric push rod 18, a controller 19, a sleeve ring 20, an outer box 21, a PTC heating element 22, a cylinder sleeve 23, a piston 24, a thermosensitive gas 25, a slide way 26, a movable block 27, a second spring 28, a piston rod 29, a vertical plate 30, a spline 31, a first screw 32, a second screw 33, a supporting block 34, a worm 35, a second rotating shaft 36, a second gear 37, a rack 38, a brake wheel 39, a supporting plate 40, a lever shaft 41, a lever 42, a brake shoe 43, a connecting piece 44, a third spring 45, a movable plate 46, a guide rod 47, a bidirectional screw 48, a connecting block 49, a steel cable 50, a third rotating shaft 51, a sprocket 52, a chain 53, a suction cup 54, a groove 55, a cover plate 56, a plugboard 57, a first gears 58, 59, a first rotating shaft 60.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
Example 1:
referring to FIGS. 1-8, a centrifugal device for genetic engineering comprises a housing 1, a partition plate 3 is arranged in the housing 1, the outer side walls of the partition plate 3 are respectively and fixedly arranged on the inner side walls of the housing 1, a shaft sleeve 4 is arranged at the top of the partition plate 3, a motor 2 is fixedly arranged at the bottom in the housing 1, an output shaft of the motor 2 penetrates through the shaft sleeve 4 and is rotatably arranged in the shaft sleeve 4, an angle turning head 5 is arranged in the housing 1, the bottom of the angle turning head 5 is fixedly arranged at the top end part of the output shaft of the motor 2, a wire 6 penetrates through the housing 1 and is electrically connected with the motor 2, a top door cover 7 is hinged at one side of the top of the housing 1, a handle 8 is fixedly arranged at one side of the top door cover 7, a door lock mechanism is arranged in the housing 1, the door lock mechanism comprises a U-shaped plate 9,U plate 9 fixedly arranged at the upper end of one side of the housing 1, a sleeve 10 is arranged in the U-shaped plate 9, two ends of the sleeve 10 respectively penetrate through the U-shaped plate 9 and the side walls of the housing 1, the sleeve 10 is sleeved with a disc 11, the disc 11 is fixedly connected with the sleeve 10, the disc 11 is positioned in the U-shaped plate 9, the sleeve 10 is sleeved with a first spring 12, two ends of the first spring 12 are respectively and fixedly connected to the disc 11 and the side wall of the shell 1, two sides in the U-shaped plate 9 are respectively provided with a sliding groove 13, the bottom in the sliding groove 13 is respectively provided with a clamping groove 14, two sides of the disc 11 are respectively and fixedly provided with a sliding block 15, the sliding blocks 15 are respectively and slidingly arranged in the sliding grooves 13, the bottoms of the sliding blocks 15 are respectively and fixedly provided with a clamping block 16, the clamping blocks 16 are respectively and slidingly arranged in the clamping grooves 14, the bottoms of the discs 11 are respectively and fixedly provided with a pushing block 17, one side in the shell 1 is fixedly provided with an electric push rod 18, the output end of the electric push rod 18 is fixedly connected to one side of the pushing block 17, the shell 1 is externally fixedly provided with a controller 19, the electric push rod 18 is in signal connection with the controller 19, the controller 19 is used for controlling the electric push rod 18, and a lantern ring 20 is fixedly arranged in the middle of one side of the top door cover 7. By arranging the partition plate 3, the sample liquid can be prevented from leaking and entering the motor 2 below the partition plate 3, by arranging the door lock mechanism, when the device works, according to the safety operation standard of the centrifugal machine, the top door cover 7 is firstly closed, the motor 2 is started, the centrifugal tube is placed in the angle rotating head 5 according to the balance principle, the lead 6 is connected with the power supply, an operator firstly starts the controller 19, the controller 19 controls the electric push rod 18 to start, the electric push rod 18 pushes the pushing block 17 to move forwards, the wafer 11 moves towards the direction close to the angle rotating head 5 and the first spring 12 stretches, the sleeve 10 synchronously moves towards the direction close to the angle rotating head 5, the top door cover 7 can be closed at the moment, the electric push rod 18 is controlled to return to the initial position by the controller 19, one end of the sleeve 10 penetrates through the sleeve ring 20, the first spring 12 returns, the sleeve 10 can be clamped in the sleeve ring 20, the top door cover 7 is limited and fixed, after the top door cover 7 is closed, the controller 19 controls the motor 2 to start and drives the angle rotating head 5 to centrifuge, the controller 19 controls the motor 2 to rotate, and after the centrifugation is finished, the controller 19 controls the motor 2 to rotate, the angle rotating head 5 to stop the electric push rod 18 and the sleeve 18 to move, and the sleeve 18 is controlled to return to the original position after the sleeve 18 is started; by providing the first spring 12, when the door lock mechanism fails, the electric push rod 18 cannot enable the sleeve 10 to move, so that the first spring 12 can keep the sleeve 10 at the original position all the time, that is, the sleeve 10 can clamp the sleeve ring 20 of the top door cover 7 and cannot close the top door cover 7, and therefore an operator can avoid starting the centrifugal device under the condition of the door lock mechanism failure.
The motor 2 is a carbon brush-free variable frequency motor, has low noise, avoids high-frequency noise generated by carbon brush friction, can be used in a sterile and dust-free laboratory with specific sample separation requirements because of no carbon powder pollution, has large capacity, light weight and strong corrosion resistance because the angle rotor 5 is made of carbon fibers, has the advantages of small vertical rotor settlement distance, large longitudinal section area and short separation time because the angle rotor 5 adopts a small inclination design, and is particularly suitable for plasmid DNA and RNA separation; the suction cups 54 are fixedly arranged at the four corners of the bottom of the shell 1, the device relies on dead weight and atmospheric pressure, and the shell 1 can be manually pressed down to enable the suction cups 54 to adsorb the supporting surface, so that the device clings to the supporting surface during working and is supported more stably.
Example 2:
referring to fig. 1 to 8, as another preferred embodiment of the present invention, the difference from embodiment 1 is that the outer side of the case 1 is provided with an energizing self-locking mechanism comprising an outer case 21, one side and the upper end of the outer case 21 are opened, the outer case 21 is fixedly installed on the outer side of the case 1, a PTC heater 22 is provided in the outer case 21, the PTC heater 22 is in a sleeve shape, one end of the PTC heater 22 is fixedly installed on the case 1, the PTC heater 22 is electrically connected with an external power supply through a wire 6, a cylinder liner 23 is inserted into the PTC heater 22, one end of the cylinder liner 23 is fixedly installed on the case 1, the outer side wall of the cylinder liner 23 is attached to the PTC heater 22 and the cylinder liner 23 is made of an aluminum alloy material, a piston 24 is provided in the cylinder liner 23, a thermosensitive gas 25 is filled in the cylinder liner 23, both sides of the cylinder liner 23 are provided with a slide 26, both sides of the piston 24 are fixedly installed with movable blocks 27, the movable blocks 27 are respectively slidably installed in the slide 26, the slide way 26 is internally provided with a second spring 28, two ends of the second spring 28 are respectively and fixedly connected on the inner side wall of the slide way 26 and the movable block 27, a piston rod 29 is fixedly arranged at the center of one end of the piston 24, two vertical plates 30 which are distributed at intervals are fixedly arranged at the inner bottom of the outer box body 21, a spline 31 is arranged between the two vertical plates 30, one end of the spline 31 is fixedly provided with a first screw rod 32, one end of the first screw rod 32 penetrates through one vertical plate 30 and is in threaded connection with the vertical plate 30, the first screw rod 32 can be in threaded connection with the sleeve 10, the other end of the spline 31 is fixedly provided with a second screw rod 33, one end of the second screw rod 33 penetrates through the other vertical plate 30 and is in threaded connection with the vertical plate 30, a first rotating shaft 60 is arranged between the two vertical plates 30, two ends of the first rotating shaft 60 are respectively and rotatably arranged on the vertical plates 30 at two sides, a first gear 58 is fixedly arranged on the first rotating shaft 60, the first gear 58 is meshed with the spline 31, one end of the first rotating shaft 60 penetrates through the vertical plate 30, the end part of the first rotating shaft 60 is fixedly provided with a worm gear 59, two supporting blocks 34 which are distributed at intervals are fixedly arranged on the vertical plate 30 positioned on one side, a worm 35 is arranged between the two supporting blocks 34, two ends of the worm 35 are respectively and rotatably arranged on the supporting blocks 34, the worm 35 is meshed with the worm gear 59, the outer side of the outer box body 21 is rotatably provided with a second rotating shaft 36, one end of the second rotating shaft 36 penetrates through the outer box body 21 and the supporting blocks 34 on one side and is fixedly connected with the worm 35, a second gear 37 is fixedly arranged on the second rotating shaft 36, the second gear 37 is positioned in the outer box body 21, a rack 38 is fixedly arranged at the end part of the piston rod 29, the rack 38 is meshed with the second gear 37, grooves 55 are formed in both sides of the top of the outer box body 21, a cover plate 56 is arranged at the top of the outer box body 21, a plugboard 57 is fixedly arranged on two sides of the bottom of the cover plate 56, the plugboard 57 can be respectively inserted into the grooves 55, and the cover plate 56 can play a protection role in a mechanism in an electrifying self-locking mechanism; through setting up the circular telegram self-locking mechanism, PTC heat-generating body 22 keeps synchronous circular telegram and synchronous outage with motor 2 during operation, when motor 2 starts, PTC heat-generating body temperature rises fast and high-efficient heat conduction to cylinder liner 23, cylinder liner 23 temperature rises and heat conduction to the thermal sensitive gas 25 in the cylinder liner 23, thermal sensitive gas 25 is heated and expands sharply and promote piston 24 and piston rod 29 to move along the slide 26 direction outwards, at this moment second spring 28 shrink, piston rod 29 drives rack 38 to move, rack 38 drives second gear 37 to rotate, second gear 37, second pivot 36, worm 35 is integrative to worm 35 rotates and drives worm gear 59 to rotate, worm gear 59, first pivot 60, first gear 58 is integrative to be set up, thereby first gear 58 rotates and drives spline 31 to rotate, spline 31, first screw 32, second screw 33 is integrative to be set up, thereby first screw 32 rotates, and when piston 24 and piston rod 29 displacement is maximum, first screw 32 one end screw thread is connected in sleeve 10; therefore, the first screw 32 is connected with the sleeve 10 into a whole, if the controller 19 is started to start the electric push rod 18 to work by misoperation, the electric push rod 18 cannot drive the sleeve 10 to move, so that the misoperation is avoided to open the top door cover 7, meanwhile, the worm 35 and the worm wheel 59 are arranged to drive, and the first screw 32 cannot be separated from the sleeve 10 by manual rotation of the first screw 32, so that the situation that the top door cover 7 cannot be opened in a centrifugal state of the device is ensured; when the motor 2 is powered off, the temperature of the PTC heater drops rapidly, the volume of the thermosensitive gas 25 decreases, the second spring 28 returns from the contracted state, the second spring 28 pushes the movable block 27 and moves the piston 24 until the piston 24 returns to the original state, and the first screw 32 also rotates reversely and is separated from the sleeve 10, so that the electric push rod 18 can be controlled by the controller 19 and the top door cover 7 can be opened.
Because the rotation speed of the angle rotor 5 after the centrifugal rotation of the device is faster and a certain time is needed for waiting for the rotation speed of the angle rotor 5 to drop to zero, the time is saved because the angle rotor 5 can be rapidly braked, a rapid braking mechanism is arranged in the shell 1 and comprises a brake wheel 39, the brake wheel 39 is sleeved on an output shaft of the motor 2, the brake wheel 39 is positioned below the partition plate 3, two lever shafts 41 which are distributed at intervals are rotatably arranged at the bottom of the shell 1, the two lever shafts 41 are respectively arranged at two sides of the motor 2, levers 42 are fixedly arranged at the upper ends of the lever shafts 41, brake shoes 43 are hinged at one ends of opposite sides of the two levers 42, the two brake shoes 43 are in mirror image arrangement, the brake shoes 43 are attached to the brake wheel 39, connecting pieces 44 are fixedly arranged at the other ends of opposite sides of the two levers 42, two support plates 40 which are distributed at intervals are fixedly arranged at the bottom of the shell 1, third springs 45 are fixedly arranged at the opposite sides of the two support plates 40, one ends of the two third springs 45 are respectively and fixedly connected to the connecting sheet 44, the third springs 45 are in a contracted state, the distance from the lever shaft 41 to the brake shoe 43 is smaller than the distance from the lever shaft 41 to the connecting sheet 44, two movable plates 46 which are distributed at intervals are arranged between the two support plates 40, two guide rods 47 are arranged between the two support plates 40, the two guide rods 47 penetrate through the two movable plates 46 and are respectively arranged at two ends of the movable plates 46, two ends of the guide rods 47 are respectively and fixedly arranged on the support plates 40 at two sides, a bidirectional screw rod 48 is arranged between the two support plates 40, the bidirectional screw rod 48 penetrates through the two movable plates 46 and is in threaded connection with the two movable plates 46, the two ends of the bidirectional screw rod 48 are respectively and rotatably arranged on the support plates 40 at two sides, one end of the top of the lever 42 is fixedly provided with a connecting block 49, the connecting block 49 positioned on the same side is connected with the movable plate 46 through a steel cable 50, one side outside the shell 1 is rotatably provided with a third rotating shaft 51, one end of the third rotating shaft 51 penetrates through the shell 1 and the supporting plate 40 on one side and is fixedly connected with the two-way screw 48, the end parts of the third rotating shaft 51 and the end parts of the second rotating shaft 36 are fixedly provided with chain wheels 52, the two chain wheels 52 are driven by a chain 53, in a centrifugal process, when the motor 2 starts to start up, as the second rotating shaft 36 starts to rotate in an electrified self-locking mechanism, the second rotating shaft 36 is integrally arranged with the chain wheels 52 on one side, the chain wheels 52 on one side rotate and drive the chain wheels 52 on the other side to rotate through the chain 53, the chain wheels 52 on the other side, the third rotating shaft 51 and the two-way screw 48 are integrally arranged, so that the two-way screw 48 rotates and is matched with a guide rod 47 to enable the two movable plates 46 to move close to each other, the two movable plates 46 drive the end parts of the levers 42 on two sides to move towards the movable plate 46 through the steel cable 50, the tension drives the levers 42 to rotate around the rod shafts 41, and overcomes the elasticity of the third springs 45, so that the levers 43 leave the brake wheels 39, and when the motor 2 starts to rotate, and when the motor 2 is powered off, the second rotating shaft 36 starts to rotate, the chain 52 rotates, the chain wheels 52 rotates, the one side and the brake levers 45 and the brake wheels are attached to the brake wheels and the other brake wheels and the brake wheels 45.
Working principle: when the centrifugal machine is in operation, according to the safety operation standard of the centrifugal machine, the top door cover 7 is firstly closed, the centrifugal tube is placed in the angle rotary head 5 according to the balance principle, the lead 6 is connected with the power supply, the controller 19 is firstly started by an operator, the electric push rod 18 is controlled by the controller 19 to start, the electric push rod 18 pushes the push block 17 to move forward, the wafer 11 moves towards the direction close to the angle rotary head 5 and stretches the first spring 12, the sleeve 10 synchronously moves towards the direction close to the angle rotary head 5, the top door cover 7 can be closed at the moment, the electric push rod 18 is controlled by the controller 19 to return to the initial position, one end of the sleeve 10 penetrates through the sleeve ring 20, the first spring 12 returns, the sleeve 10 can be clamped in the sleeve ring 20, the top door cover 7 is limited and fixed, after the top door cover 7 is closed, the motor 2 is controlled by the controller 19 to start and drive the angle rotary head 5 to rotate, after the centrifugation is finished, the motor 2 is controlled by the controller 19 to stop, the electric push rod 18 is controlled by the controller 19 to start and drive the sleeve 10 to move, and then the sleeve 10 can be opened, and the sleeve 18 is controlled by the controller 19 to return to the original position.
Through setting up the circular telegram self-locking mechanism, PTC heat-generating body 22 keeps synchronous circular telegram and synchronous outage with motor 2 during operation, when motor 2 starts, PTC heat-generating body temperature rises fast and high-efficient heat conduction to cylinder liner 23, cylinder liner 23 temperature rises and heat conduction to the thermal sensitive gas 25 in the cylinder liner 23, thermal sensitive gas 25 is heated and expands sharply and promote piston 24 and piston rod 29 to move along the slide 26 direction outwards, at this moment second spring 28 shrink, piston rod 29 drives rack 38 to move, rack 38 drives second gear 37 to rotate, second gear 37, second pivot 36, worm 35 is integrative to worm 35 rotates and drives worm gear 59 to rotate, worm gear 59, first pivot 60, first gear 58 is integrative to be set up, thereby first gear 58 rotates and drives spline 31 to rotate, spline 31, first screw 32, second screw 33 is integrative to be set up, thereby first screw 32 rotates, and when piston 24 and piston rod 29 displacement is maximum, first screw 32 one end screw thread is connected in sleeve 10; therefore, the first screw 32 is connected with the sleeve 10 into a whole, if the controller 19 is started to start the electric push rod 18 to work by misoperation, the electric push rod 18 cannot drive the sleeve 10 to move, so that the misoperation is avoided to open the top door cover 7, meanwhile, the worm 35 and the worm wheel 59 are arranged to drive, and the first screw 32 cannot be separated from the sleeve 10 by manual rotation of the first screw 32, so that the situation that the top door cover 7 cannot be opened in a centrifugal state of the device is ensured; when the motor 2 is powered off, the temperature of the PTC heating element is rapidly reduced, the volume of the thermosensitive gas 25 is reduced, the second spring 28 returns from the contracted state, the second spring 28 pushes the movable block 27 and moves the piston 24 until the piston 24 returns to the initial state, and the first screw 32 also reversely rotates and is separated from the sleeve 10, so that the electric push rod 18 can be controlled by the controller 19 and the top door cover 7 can be opened; in the centrifugal flow, when the motor 2 in the device starts to start, as the second rotating shaft 36 in the electrified self-locking mechanism starts to rotate, the second rotating shaft 36 and the one-side chain wheel 52 are integrally arranged, the one-side chain wheel 52 rotates and drives the other-side chain wheel 52 to rotate through the chain 53, the other-side chain wheel 52, the third rotating shaft 51 and the bidirectional screw 48 are integrally arranged, so that the bidirectional screw 48 rotates and cooperates with the guide rod 47 to enable the two movable plates 46 to move close to each other, the two movable plates 46 drive the end parts of the levers 42 on the two sides to move towards the movable plates 46 through the steel cable 50, the steel cable 50 pulls the levers 42 to rotate around the lever shaft 41 and overcomes the elastic force of the third springs 45, so that the brake shoes 43 are separated from the brake wheels 39, the motor 2 normally rotates, and when the motor 2 is powered off, the second rotating shaft 36 reversely rotates, and similarly, the brake shoes 43 are attached to the brake wheels 39, and the third springs 45 return to the contracted state in the initial state, and the elastic force of the third springs 45 are applied to one end parts of the levers 42, so that the brake shoes 43 on the other end parts of the levers 42 are attached to the brake wheels 39, thereby playing a role of braking effect on the motor 2.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (3)
1. The utility model provides a centrifugal device for genetic engineering, includes casing (1), its characterized in that, be equipped with baffle (3) in casing (1), baffle (3) lateral wall respectively fixed mounting is on casing (1) inside wall, axle sleeve (4) are installed at baffle (3) top, fixed mounting has motor (2) in casing (1), the output shaft of motor (2) runs through axle sleeve (4) and rotatable installs in axle sleeve (4), be equipped with angle turning head (5) in casing (1), angle turning head (5) bottom fixed mounting is at the output shaft tip of motor (2), still includes wire (6), wire (6) run through casing (1) and with motor (2) electric connection, casing (1) top one side articulates there is top door lid (7), top one side fixed mounting has handle (8) in top one side, be equipped with lock mechanism in casing (1) including U (9), U (9) fixed mounting is in casing (1) one side, U (9) are equipped with sleeve pipe (10) both ends (10) and sleeve pipe (10) respectively, the electric control device comprises a disc (11) and a sleeve (10), wherein the disc (11) is fixedly connected with the sleeve (10), the disc (11) is located in a U-shaped plate (9), a first spring (12) is sleeved on the sleeve (10), two ends of the first spring (12) are fixedly connected to the disc (11) and the side wall of a shell (1) respectively, sliding grooves (13) are formed in two sides of the U-shaped plate (9), clamping grooves (14) are formed in the inner bottom of the sliding grooves (13), sliding blocks (15) are fixedly installed on two sides of the disc (11), the sliding blocks (15) are respectively arranged in the sliding grooves (13) in a sliding mode, clamping blocks (16) are fixedly installed at the bottoms of the sliding blocks (16) respectively, an electric push rod (18) is fixedly installed at one side of the shell (1), a controller (19) is fixedly installed at the outer side of the shell (1), and the controller (19) is fixedly connected to one side of the electric push rod (18), and a middle part (20) is fixedly installed on the top of the electric push rod (19);
the utility model discloses a self-locking device for the electric automobile, which comprises a shell (1), wherein a power-on self-locking mechanism is arranged on the outer side of the shell (1), the power-on self-locking mechanism comprises an outer box body (21), one side of the outer box body (21) is provided with an upper end opening, the outer box body (21) is fixedly arranged on the outer side of the shell (1), a PTC heating element (22) is arranged in the outer box body (21), the PTC heating element (22) is sleeve-shaped, one end of the PTC heating element (22) is fixedly arranged on the shell (1), a cylinder sleeve (23) is inserted in the PTC heating element (22), one end of the cylinder sleeve (23) is fixedly arranged on the shell (1), the outer side wall of the cylinder sleeve (23) is attached to the PTC heating element (22) and is made of aluminum alloy materials, a piston (24) is arranged in the cylinder sleeve (23), two sides of the cylinder sleeve (23) are respectively provided with a slide way (26), two sides of the piston (24) are respectively fixedly arranged with a movable block (27), the movable block (27) is respectively arranged on two ends of the slide way (28) in the slide way (28) and two ends of the slide way (28) are respectively connected with a spring (28), the utility model discloses a piston, including piston (24), piston rod (29) are installed to piston (24) one end central authorities department, fixed mounting has two riser (30) of interval distribution in outer box (21), two be equipped with spline (31) between riser (30), spline (31) one end fixed mounting has first screw rod (32), first screw rod (32) one end runs through riser (30) of one side and with riser (30) threaded connection, first screw rod (32) threaded connection is in sleeve pipe (10), spline (31) other end fixed mounting has second screw rod (33), riser (30) of opposite side are run through to second screw rod (33) one end and with riser (30) threaded connection, two be equipped with first pivot (60) between riser (30), first pivot (60) both ends are rotatable respectively set up on riser (30) of both sides, fixed mounting has first gear (58) on first pivot (60), first gear (58) and worm wheel (31) threaded connection in sleeve pipe (10), first pivot (60) one end runs through riser (30) of opposite side and is equipped with fixed connection, two pivot (34) are equipped with one end (34) and are located between riser (30), the two ends of the worm (35) are respectively rotatably arranged on the supporting blocks (34), the worm (35) is meshed with the worm wheel (59), a second rotating shaft (36) is rotatably arranged on the outer side of the outer box body (21), one end of the second rotating shaft (36) penetrates through the outer box body (21) and the supporting blocks (34) on one side and is fixedly connected with the worm (35), a second gear (37) is fixedly arranged on the second rotating shaft (36), the second gear (37) is positioned in the outer box body (21), a rack (38) is fixedly arranged at the end part of the piston rod (29), the rack (38) is meshed with the second gear (37), grooves (55) are formed in two sides of the top of the outer box body (21), a cover plate (56) is arranged on the top of the outer box body (21), a plugboard (57) is fixedly arranged on two sides of the bottom of the cover plate (56), and the plugboard (57) can be respectively inserted into the grooves (55);
the utility model discloses a quick braking mechanism is arranged in a shell (1), the quick braking mechanism comprises a brake wheel (39), the brake wheel (39) is sleeved on an output shaft of a motor (2), the brake wheel (39) is positioned below a partition plate (3), two lever shafts (41) which are rotatably arranged at the bottom in the shell (1) and are distributed at intervals are respectively arranged at two sides of the motor (2), levers (42) are fixedly arranged at the upper ends of the lever shafts (41), one ends of opposite sides of the levers (42) are hinged with brake shoes (43), the two brake shoes (43) are arranged in a mirror image mode, the brake shoes (43) are attached to the brake wheel (39), connecting pieces (44) are fixedly arranged at the other ends of opposite sides of the levers (42), two supporting plates (40) which are distributed at intervals are fixedly arranged at the bottom in the shell (1), third springs (45) are fixedly arranged at the opposite sides of the supporting plates, the three springs (45) are fixedly arranged at the positions between the two connecting pieces (44) which are in a small distance from the two connecting pieces (41) which are fixedly arranged at the two ends of the supporting plates (41), two be equipped with two guide bars (47) between backup pad (40), two guide bars (47) all run through two fly leaf (46) and divide to establish the both ends at fly leaf (46), guide bar (47) both ends are fixed mounting respectively on backup pad (40) of both sides, two be equipped with two-way lead screw (48) between backup pad (40), two-way lead screw (48) run through two fly leaf (46) and with two fly leaf (46) threaded connection, two-way lead screw (48) are located between two guide bars (47) and two rotatable setting respectively in backup pad (40) of both sides in both ends of two-way lead screw (48), lever (42) top one end all fixed mounting has connecting block (49), are located the homonymy between connecting block (49) and fly leaf (46) through cable (50) connection, the rotatable third pivot (51) that are provided with in outer one side of casing (1), third pivot (51) one end runs through casing (1) and backup pad (40) and with two fly leaf (46) threaded connection, two-way sprocket (52) are installed through between two-way sprocket (52) end portion (52).
2. The centrifugal device for genetic engineering according to claim 1, wherein suction cups (54) are fixedly arranged at four corners of the bottom of the shell (1).
3. The centrifugal device for genetic engineering according to claim 1, wherein the motor (2) is a carbon brush-less variable frequency motor, the angle rotor (5) is made of carbon fiber, and the angle rotor (5) adopts a small inclination design.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010971320.7A CN112170027B (en) | 2020-09-16 | 2020-09-16 | Centrifugal device for genetic engineering |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010971320.7A CN112170027B (en) | 2020-09-16 | 2020-09-16 | Centrifugal device for genetic engineering |
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| CN112170027A CN112170027A (en) | 2021-01-05 |
| CN112170027B true CN112170027B (en) | 2023-11-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010971320.7A Active CN112170027B (en) | 2020-09-16 | 2020-09-16 | Centrifugal device for genetic engineering |
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| DE470894C (en) * | 1929-02-01 | Erwin Decker Dipl Ing | Electrical locking device, especially for the housing cover of centrifugal machines | |
| CN1803301A (en) * | 2005-01-11 | 2006-07-19 | 日立工机株式会社 | Centrifuge |
| CN202097036U (en) * | 2011-04-02 | 2012-01-04 | 薛耀国 | Gyro type biological centrifuge |
| CN204724339U (en) * | 2015-06-03 | 2015-10-28 | 四川蜀科仪器有限公司 | A kind of beauty treatment centrifuge |
| CN108636622A (en) * | 2018-04-25 | 2018-10-12 | 湖南德诺科学仪器有限公司 | A kind of centrifuge upper cover locking device and locking state identifying system |
| CN209174130U (en) * | 2018-10-19 | 2019-07-30 | 北京唯创博精生物科技有限公司 | A kind of genetic engineering centrifuge |
| CN210985857U (en) * | 2019-07-03 | 2020-07-10 | 创新精密（苏州）有限公司 | Motor shaft reduction gears |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3879360B2 (en) * | 2000-03-17 | 2007-02-14 | 日立工機株式会社 | Centrifuge |
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2020
- 2020-09-16 CN CN202010971320.7A patent/CN112170027B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE470894C (en) * | 1929-02-01 | Erwin Decker Dipl Ing | Electrical locking device, especially for the housing cover of centrifugal machines | |
| CN1803301A (en) * | 2005-01-11 | 2006-07-19 | 日立工机株式会社 | Centrifuge |
| CN202097036U (en) * | 2011-04-02 | 2012-01-04 | 薛耀国 | Gyro type biological centrifuge |
| CN204724339U (en) * | 2015-06-03 | 2015-10-28 | 四川蜀科仪器有限公司 | A kind of beauty treatment centrifuge |
| CN108636622A (en) * | 2018-04-25 | 2018-10-12 | 湖南德诺科学仪器有限公司 | A kind of centrifuge upper cover locking device and locking state identifying system |
| CN209174130U (en) * | 2018-10-19 | 2019-07-30 | 北京唯创博精生物科技有限公司 | A kind of genetic engineering centrifuge |
| CN210985857U (en) * | 2019-07-03 | 2020-07-10 | 创新精密（苏州）有限公司 | Motor shaft reduction gears |
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| CN112170027A (en) | 2021-01-05 |
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Effective date of registration: 20240429 Address after: Room 405, Building 6, Office Building, No. 383 North Panyu Avenue, Nancun Town, Panyu District, Guangzhou City, Guangdong Province, 510000 Patentee after: Guangzhou Chenkang Pharmaceutical Technology Co.,Ltd. Country or region after: China Address before: Zhejiang Media College, no.998 Xueyuan street, Xiasha Higher Education Park, Hangzhou, Zhejiang 310000 Patentee before: Ruan Xiaofang Country or region before: China |