CN208912326U - A kind of centrifuge - Google Patents
A kind of centrifuge Download PDFInfo
- Publication number
- CN208912326U CN208912326U CN201920565509.9U CN201920565509U CN208912326U CN 208912326 U CN208912326 U CN 208912326U CN 201920565509 U CN201920565509 U CN 201920565509U CN 208912326 U CN208912326 U CN 208912326U
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- Prior art keywords
- circular disc
- rotating circular
- plate
- pressure holding
- side plate
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Abstract
The utility model provides a kind of centrifuge, including shell, accommodating chamber is provided in shell, runner assembly and rotating circular disc are provided in accommodating chamber, runner assembly drives rotating circular disc to rotate in accommodating chamber, the edge of rotating circular disc upwardly extends to form cricoid side plate, test tube mouth is provided on side plate, restricted component is installed on side plate, limitation component includes the Rotational Cylindrical for being mounted on side plate and being located at test tube mouth side, the pressure holding plate being rotatably set in Rotational Cylindrical, it is mounted on side plate and relatively rotates column and be located at the receiving frame of the test tube mouth other side and be movably arranged at the latch plate accommodated in frame, pressure holding spring is telescopically provided between latch plate and receiving frame, latch plate can compress pressure holding plate under the elastic force effect of pressure holding spring, ferrule will be tried using pressure holding plate, to be pressed to test tube, prevent test tube or suitable Orchestration flies out from rotating circular disc.
Description
Technical field
The utility model relates to centrifugal separation technology field more particularly to a kind of centrifuges.
Background technique
When being separated using centrifuge to blood or urine specimen, since the revolving speed of centrifuge is excessive, test tube and suitable
Orchestration is assigned to the rotor of centrifuge, and test tube or adapter in the course of rotation, are influenced, pole by lasting centripetal force
It flies out after easily being loosened from rotor, in centrifuge internal impact component, the part inside centrifuge is damaged, while also can
Injure the observation monitoring personnel of operation centrifuge by a crashing object, there are some potential safety problemss.
Summary of the invention
Technical problem to be solved by the utility model is: test tube or adapter in centrifuge when being centrifuged operating easily
It loosens and flies out from inside, machine and operator are damaged.
The technical scheme adopted by the utility model to solve the technical problem is as follows: a kind of centrifuge, including shell, the shell
It is provided with accommodating chamber in vivo, runner assembly and rotating circular disc are provided in the accommodating chamber, the runner assembly drives the rotation
Disk rotates in the accommodating chamber, and the edge of the rotating circular disc upwardly extends to form cricoid side plate, opens on the side plate
There is test tube mouth, restricted component is installed on the side plate, the limitation component includes being mounted on the side plate and positioned at described
The Rotational Cylindrical of test tube mouth side, the pressure holding plate being rotatably set in the Rotational Cylindrical are mounted on the side plate and opposite
The latch plate that the Rotational Cylindrical is located at the receiving frame of the test tube mouth other side and is movably arranged in the receiving frame, institute
It states and is telescopically provided with pressure holding spring between latch plate and the receiving frame, the latch plate can be in the pressure holding spring
The pressure holding plate is compressed under elastic force effect.
Further, described to accommodate the holding tank for being provided in frame and accommodating the pressure holding plate, the notch of the holding tank and institute
It is corresponding to state Rotational Cylindrical, the pressure holding plate is arranged in the holding tank, and the holding tank is divided into positioned at institute by the latch plate
The first cavity and the second cavity of latch plate opposite sides are stated, the pressure holding plate interts to first cavity, the pressure holding
Spring is mounted in second cavity.
Further, the limitation component further includes fixture nut, and the fixture nut is set in the Rotational Cylindrical, institute
It states fixture nut and the pressure holding plate is bonded to each other, the fixture nut and the rotating circular disc clamp and limit the pressure holding plate
Position in the Rotational Cylindrical.
Further, the Rotational Cylindrical is interspersed on the side plate, is protruded into the rotating circular disc in the Rotational Cylindrical
Limitation screw thread is carved in end, and the fixture nut cooperation is set on the limitation screw thread.
Further, the Rotational Cylindrical includes restriction section, interspersed section and press section, is provided with limiting stand in the restriction section
Rank, the shaft shoulder of the limited step are overlapped on the side plate, and the interspersed section runs through the side plate, and the press section setting exists
The top of the rotating circular disc, the limitation screw thread are provided in the press section, and the pressure holding plate and the fixture nut are equal
It is set in the press section.
Further, the side plate and the rotating circular disc collectively form the hollow cylindrical configuration with opening, the side
Shape has angle between plate and the rotating circular disc, and 90 ° < angle < 180 °.
Further, the bottom of the rotating circular disc is connected with runner assembly, and the runner assembly is described including being interspersed in
Transmission shaft in rotating circular disc is fixedly connected on the decelerating motor of the transmission shaft bottom and cooperation is set in the transmission shaft
The gasket and clamping nut at top, the rotating circular disc is fixed on the transmission shaft by the clamping nut and the gasket.
Further, the transmission shaft includes cylindrical section, rotary table section and threaded post, the big end of the rotary table section and the circle
Shell of column is fixedly connected, and the threaded post is fixedly connected with the rotary table section, and the cylindrical section is fixedly connected with the decelerating motor,
The rotating circular disc is set in the rotary table section, and the clamping nut and the gasket, which cooperate, is set in the threaded post
On.
Further, rotation taper hole is provided in the rotating circular disc, the rotary table section cooperation is interspersed in the rotation taper hole
It is interior.
Further, it is provided with spacing collar near the rotation taper hole in the rotating circular disc, the threaded post is set
It sets in the spacing collar, the gasket and the clamping nut are arranged in the spacing collar.
The utility model has the beneficial effects that using the pressure holding plate limited in rotating circular disc in component by the examination in test tube mouth
Pipe or adapter compacting, pressure holding spring compressing under, latch plate and pressure holding plate between frictional force increase, will pressure holding plate and
Relative position between Rotational Cylindrical is fixed, and under the compacting of fixture nut and latch plate, test tube or adapter are subject to centripetal
A possibility that power is cancelled, and reduces test tube or adapter disengaging rotating circular disc.
Detailed description of the invention
The present invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 is the structural schematic diagram of the utility model centrifuge；
Fig. 2 is the partial enlarged view in Fig. 1 at A；
In figure: centrifuge -100, runner assembly -101, decelerating motor -11, bearing -12, transmission shaft -13, cylindrical section -
131, rotary table section -132, threaded post -133, gasket -14, clamping nut -15, rotating circular disc -102, test tube mouth -21, rotating cone
Hole -22, spacing collar -23, test tube sleeve -103, limitation component -104, Rotational Cylindrical -41, restriction section -411, interspersed section -412, pressure
Section -413 processed, pressure holding plate -43, accommodates frame -44, latch plate -45, pressure holding spring -46, limited step -47, limit at fixture nut -42
Screw thread -48 processed, holding tank -49.
Specific embodiment
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, and is only used for explaining the utility model, and should not be understood as to the utility model
Limitation.On the contrary, the embodiments of the present invention include falling into owning within the scope of the spirit and intension of attached claims
Variation, modification and equivalent.
As shown in Figure 1, the utility model provides a kind of centrifuge 100, including shell (not shown), runner assembly 101
With rotating circular disc 102, accommodating chamber is offered in shell, runner assembly 101 and rotating circular disc 102 are contained in the accommodating chamber
Interior, rotating circular disc 102 is connected to the top of runner assembly 101, and the edge of rotating circular disc 102 upwardly extends to form cricoid side
Plate, the side plate and rotating circular disc 102 collectively form the hollow cylindrical configuration that upper end has opening, the side plate and rotating circular disc
Shape has angle between 102, and 90 ° < angle < 180 °, in present embodiment, angle=120 ° offer several examinations on the side plate
Nozzle 21, test tube mouth 21 are evenly arranged on the side plate, and test tube sleeve 103, test tube sleeve 103 are interspersed in each test tube mouth 21
Inclined, the test tube (not shown) for accommodating centrifugation solution is interspersed in test tube sleeve 103, and the test tube is located on the side plate
Restricted component 104 is arranged in the side of mouth 21, and limitation component 104 is mounted on the side plate of rotating circular disc 102, in runner assembly
Under 101 driving, rotating circular disc 102 rotates in the accommodating chamber of shell, the test tube in rotating circular disc 102 in test tube sleeve 103
Around the center rotating of rotating circular disc 102, precipitated after finally invisible spectro solution is centrifuged.
Runner assembly 101 includes decelerating motor 11, bearing 12, transmission shaft 13, gasket 14 and clamping nut 15, bearing
12, gasket 14 and clamping nut 15 are set on transmission shaft 13, and transmission shaft 13 includes sequentially connected cylindrical section from the bottom to top
131, rotary table section 132 and threaded post 133, the diameter of cylindrical section 131 and the maximum cross-section diameter of rotary table section 132 are identical, threaded post
133 outer diameter is identical with the smallest cross-sectional diameter of rotary table section 132, it is possible to understand that, rotary table section 132 is arranged in cylindrical section 131
In big end, threaded post 133 is arranged on the small end of rotary table section 132.Cylindrical section 131 and decelerating motor 11 on transmission shaft 13 it is defeated
It is fixedly connected between outlet, the cooperation of rotary table section 132 on transmission shaft 13 is interspersed in rotating circular disc 102, the spiral shell on transmission shaft 13
Line column 133 interts after penetrating rotating circular disc 102 to the top of rotating circular disc 102.
The lower section of rotating circular disc 102 is arranged in decelerating motor 11, and bearing 12 is arranged in rotating circular disc 102 and decelerating motor 11
Between, bearing 12 is set on the cylindrical section 131 of transmission shaft 13, and the top of decelerating motor 11 is provided with bearing base, and (figure is not
Mark), the inner ring interference of bearing 12 is set on cylindrical section 131, and the outer ring of bearing 12 is fixed on bearing base, rotating circular disc
102 are located at the top of bearing base, and the end face of cylindrical section 131 is fixedly attached to decelerating motor 11 through bearing 12 on transmission shaft 13
On, the centre of rotating circular disc 102 offers rotation taper hole 22, and the rotary table section 132 on transmission shaft 13 is with the side of interference fit
Formula is interspersed in rotation taper hole 22, and the center of rotating circular disc 102 is limited along the setting of protrusion axially upwards of rotating circular disc 102
Position sleeve 23, spacing collar 23 are mounted at the aperture of rotation taper hole 22, and gasket 14 and clamping nut 15 are arranged at limit sleeve
In cylinder 23, the threaded post 133 on transmission shaft 13 is arranged in spacing collar 23, and gasket 14 and clamping nut 15 are set in threaded post
On 133, gasket 14 is fitted on the upper surface of rotating circular disc 102, and clamping 15 screw thread of nut is set in the threaded post of transmission shaft 13
On 133, clamping nut 15 screws pressure holding on gasket 14, and clamping nut 15 cooperates the rotary table section 132 on transmission shaft 13, will rotate
Disk 102 is fixed relative to the position of transmission shaft 13.
As depicted in figs. 1 and 2, limitation component 104 include Rotational Cylindrical 41, fixture nut 42, pressure holding plate 43, accommodate frame 44 with
And latch plate 45, Rotational Cylindrical 41 are interspersed on the side plate, the side of test tube mouth 21 is arranged in Rotational Cylindrical 41, and it is opposite to accommodate frame 44
The setting of Rotational Cylindrical 41 presses plate 43 and is rotatably sleeved in Rotational Cylindrical 41 in 21 other side of test tube mouth, 42 screw thread of fixture nut
It is set in Rotational Cylindrical 41, fixture nut 42 conforms on pressure holding plate 43, and pressure holding plate 43 conforms to examination after the rotation of Rotational Cylindrical 41
When in the opening of nozzle 21, presses one end on plate 43 far from Rotational Cylindrical 41 and be interspersed in receiving frame 44, latch plate 45 is movable
Ground setting is accommodating in frame 44, accommodates in frame 44 and is provided with holding tank 49, holding tank 49 is partitioned into positioned at spring by latch plate 45
The first cavity and the second cavity of 45 opposite sides of plate, pressure holding plate 43 is interspersed in first cavity, in second cavity
Pressure holding spring 46 is installed, the one end for pressing spring 46 is flexibly supported with the inner wall for accommodating frame 44, presses the other end of spring 46
It is flexibly supported with latch plate 45, as a result, in the case where the elasticity of pressure holding spring 46 compresses, latch plate 45 is closely pressed on pressure holding plate 43
On, it is fixed so that relative position of the plate 43 in Rotational Cylindrical 41 will be pressed.
Rotational Cylindrical 41 includes restriction section 411, interspersed section 412 and press section 413, is provided with limited step in restriction section 411
47, the shaft shoulder of limited step 47 is overlapped on the side plate, and the interspersed section 412 in Rotational Cylindrical 41 runs through the side plate, press section
413 after the side plate through extending to outside rotating circular disc 102, and the maximum cross-section diameter of press section 413 is less than cutting for interspersed section 412
Face diameter, pressure holding plate 43 are rotatably sleeved in press section 413, are provided on the periphery of the press section 413 in Rotational Cylindrical 41
Screw thread 48 is limited, the cooperation of fixture nut 42 is set on limitation screw thread 48, and under the compacting of fixture nut 42, pressure holding plate 43 is limited
On the side plate.It accommodates and is provided with holding tank 49 in frame 44, the notch and Rotational Cylindrical 41 of holding tank 49 are corresponding, press remote on plate 43
End from Rotational Cylindrical 41 is interspersed in holding tank 49 after rotation, and latch plate 45 and pressure holding spring 46 are arranged at holding tank
In 49, latch plate 45 is fixedly attached on the cell wall of holding tank 49 by pressing spring 46.
When in use, the test tube for accommodating separation solution or adapter are interspersed in test tube mouth 21 for above-mentioned centrifuge 100,
In centrifuge 100 around Rotational Cylindrical 41 rotate pressure holding plate 43, by test tube mouth 21 test tube or adapter sealing be provide with, press simultaneously
It holds one end on plate 43 far from Rotational Cylindrical 41 to be interspersed in receiving frame 44, accommodates the 46 push the spring plate of pressure holding spring in frame 44
45, so that latch plate 45 and pressure holding plate 43 fit closely in receiving frame 44, increases latch plate 45 and press rubbing between plate 43
Power is wiped, pressure holding plate 43 is fixed relative to the position of Rotational Cylindrical 41, when preventing centrifuge 100 from operating, vessel are out of test tube sleeve 103
It flies out.
After vessel in test tube mouth 21 are fixed, rotating circular disc 102 is fixed on biography using clamping nut 15 and gasket 14
On moving axis 13, starts the decelerating motor 11 of 102 lower section of rotating circular disc later, rotating circular disc is transmitted torque to by transmission shaft 13
On 102, using the rotation of rotating circular disc 102, the vessel rotation in test tube sleeve 103 is driven, separation solution is centrifuged.
It is enlightenment, through the above description, related work people with the above-mentioned desirable embodiment according to the utility model
Member can carry out various changes and amendments in the range of without departing from this item utility model technical idea completely.This item is real
It is not limited to the contents of the specification with novel technical scope, it is necessary to its technology is determined according to scope of the claims
Property range.
Claims (10)
1. a kind of centrifuge, it is characterised in that: including shell, accommodating chamber is provided in the shell, is provided in the accommodating chamber
Runner assembly and rotating circular disc, the runner assembly drive the rotating circular disc to rotate in the accommodating chamber, the rotation circle
The edge of disk upwardly extends to form cricoid side plate, and test tube mouth is provided on the side plate, restricted component is installed on the side plate,
The limitation component includes being mounted on the side plate and being located at the Rotational Cylindrical of test tube mouth side, be rotatably set in institute
The pressure holding plate in Rotational Cylindrical is stated, is mounted on the side plate and the relatively described Rotational Cylindrical is located at the receiving of the test tube mouth other side
Frame and the latch plate being movably arranged in the receiving frame, are telescopically arranged between the latch plate and the receiving frame
There is pressure holding spring, the latch plate can compress the pressure holding plate under the elastic force effect of the pressure holding spring.
2. a kind of centrifuge according to claim 1, it is characterised in that: be provided with the receiving pressure holding plate in the receiving frame
Holding tank, the notch of the holding tank and the Rotational Cylindrical are corresponding, and the pressure holding plate setting is in the holding tank, the bullet
The holding tank is divided into the first cavity and the second cavity positioned at the latch plate opposite sides by spring plate, and the pressure holding plate is worn
It is inserted in first cavity, the pressure holding spring is mounted in second cavity.
3. a kind of centrifuge according to claim 1, it is characterised in that: the limitation component further includes fixture nut, institute
Fixture nut is stated to be set in the Rotational Cylindrical, the fixture nut and the pressure holding plate are bonded to each other, the fixture nut and
The rotating circular disc clamps and limits position of the pressure holding plate in the Rotational Cylindrical.
4. a kind of centrifuge according to claim 3, it is characterised in that: the Rotational Cylindrical is interspersed on the side plate, institute
It states the end protruded into the rotating circular disc in Rotational Cylindrical and is carved with limitation screw thread, the fixture nut cooperation is set in the limitation
On screw thread.
5. a kind of centrifuge according to claim 4, it is characterised in that: the Rotational Cylindrical include restriction section, interspersed section and
Press section is provided with limited step in the restriction section, and the shaft shoulder of the limited step is overlapped on the side plate, described interspersed
Section runs through the side plate, and the top of the rotating circular disc is arranged in the press section, and the limitation screw thread is provided with the compacting
Duan Shang, the pressure holding plate and the fixture nut are set in the press section.
6. a kind of centrifuge according to claim 1, it is characterised in that: the side plate and the rotating circular disc collectively form
Hollow cylindrical configuration with opening, shape has angle between the side plate and the rotating circular disc, 90 ° < angle <
180°。
7. a kind of centrifuge according to claim 1, it is characterised in that: the bottom of the rotating circular disc is connected with rotating group
Part, the runner assembly include the transmission shaft being interspersed in the rotating circular disc, are fixedly connected on subtracting for the transmission shaft bottom
Speed motor and cooperation are set in the gasket at the top of the transmission shaft and clamp nut, the clamping nut and the gasket for institute
Rotating circular disc is stated to be fixed on the transmission shaft.
8. a kind of centrifuge according to claim 7, it is characterised in that: the transmission shaft include cylindrical section, rotary table section and
The big end of threaded post, the rotary table section is fixedly connected with the cylindrical section, and the threaded post is fixedly connected with the rotary table section, institute
Cylindrical section is stated to be fixedly connected with the decelerating motor, the rotating circular disc is set in the rotary table section, the clamping nut and
The gasket, which cooperates, to be set in the threaded post.
9. a kind of centrifuge according to claim 8, it is characterised in that: be provided with rotation taper hole, institute in the rotating circular disc
The cooperation of rotary table section is stated to be interspersed in the rotation taper hole.
10. a kind of centrifuge according to claim 9, it is characterised in that: in the rotation taper hole in the rotating circular disc
It is nearby provided with spacing collar, the threaded post is arranged in the spacing collar, the gasket and clamping nut setting
In the spacing collar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920565509.9U CN208912326U (en) | 2019-04-24 | 2019-04-24 | A kind of centrifuge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920565509.9U CN208912326U (en) | 2019-04-24 | 2019-04-24 | A kind of centrifuge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208912326U true CN208912326U (en) | 2019-05-31 |
Family
ID=66712997
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920565509.9U Active CN208912326U (en) | 2019-04-24 | 2019-04-24 | A kind of centrifuge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208912326U (en) |
-
2019
- 2019-04-24 CN CN201920565509.9U patent/CN208912326U/en active Active
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| GR01 | Patent grant |