CN208912323U - A kind of centrifuge convenient to use - Google Patents
A kind of centrifuge convenient to use Download PDFInfo
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- CN208912323U CN208912323U CN201920565221.1U CN201920565221U CN208912323U CN 208912323 U CN208912323 U CN 208912323U CN 201920565221 U CN201920565221 U CN 201920565221U CN 208912323 U CN208912323 U CN 208912323U
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- casing
- cover
- centrifuge
- groove
- locking bar
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Abstract
The utility model discloses a kind of centrifuge convenient to use, it includes the body with casing, cover on body, and locking structure, one end of cover and casing are hinged, the upper end of casing offers slot downwards, recess is formed with container on the side wall of slot, locking structure includes the connecting rod that can be protruded into slot, locking bar, elastic component and electromagnet, one end of connecting rod is connect with cover, locking bar and elastic component are installed in container, elastic component is telescopically arranged between locking bar and container, the card slot that can be engaged with locking bar is offered on the side wall of connecting rod, connecting rod one end and locking bar far from cover are disposed as arc surface far from one end of elastic component, locking bar is magnetic absorption member, electromagnet is set on the side wall of casing, and electromagnet is located at side of the locking bar far from connecting rod.The centrifuge of the utility model enhances the connective stability between body and cover, and using simply, conveniently, be convenient for promoting the use of by the way that locking structure is arranged between body and cover.
Description
Technical field
The utility model relates to centrifuge technique fields, particularly, are related to a kind of centrifuge convenient to use.
Background technique
Centrifuge is mainly used for pharmaceutical products, blood station, clinical test and biology laboratory and makees serum, blood plasma, body fluid and life
Object sample aliquot is from mainly generating powerful centrifugal force using the rotor high speed rotation for being mounted on centrifuge inner cavity, accelerate sample
The sinking speed of particle in product liquid separates the substance of sedimentation coefficients different in sample and buoyant density.
Currently, the body of centrifuge and the locking structure of cover are generally, it is arranged on the buckle and body on cover and sets
The card slot connection set needs the tappet on Manual press body when needing to open cover, and one end of tappet pushes buckle, so that
Buckle is detached from card slot, realizes function of uncapping.Tappet frequently pushes buckle in this mode, and buckle is easily caused to deform or damage,
The case where centrifuge runs in engineering, is easy to appear apparatus lid opening, high-speed rotating sample liquids splash away can be to human body
Cause security risk；Meanwhile uncapping and needing to apply biggish power, it uncaps insensitive, it is inconvenient to use, thereby reduce user
Working efficiency.
Summary of the invention
The technical problem to be solved by the utility model is to now being mentioned to overcome the above-mentioned problems in the prior art
The centrifuge strong and easy to use for a kind of cover connective stability.
The utility model solves its technical problem technical solution to be taken: a kind of centrifuge convenient to use, institute
Stating centrifuge convenient to use includes the body with casing, cover and locking structure on the body, the machine
One end of lid and the casing are hinged, and the upper end of the casing offers slot, concave shape on the side wall of the slot downwards
At there is container, the locking structure includes the connecting rod that can be protruded into the slot, locking bar, elastic component and electromagnet, the company
One end of bar is connect with the cover, and the locking bar and the elastic component are installed in the container, and the elastic component can
It is telescopically set between the locking bar and the container, the card that can be engaged with the locking bar is offered on the side wall of the connecting rod
Slot, the connecting rod one end and the locking bar far from the cover are disposed as arc surface far from one end of the elastic component, institute
Stating locking bar is magnetic absorption member, and the electromagnet is set on the side wall of the casing, and the electromagnet is located at the locking bar far from institute
State the side of connecting rod.
Further, be also provided on the upper surface of the casing accommodation groove, the accommodation groove and the slot by up to
Under set gradually, the accommodation groove is connected to the slot, and the locking structure further includes reset spring, the reset spring
Upper end is connect with the cover, and the lower end of the reset spring can be flexibly supported with the bottom wall of the accommodation groove, the connecting rod
One end stretches in the slot after passing through the accommodation groove.
Further, one end of the elastic component is connect with the groove bottom wall of the container, the other end of the elastic component
It is connect with the locking bar far from one end of the connecting rod.
Further, the casing has the hollow cylindrical configuration of opening in upper end, and the cover is upper with the casing
End is hinged, and the relatively described casing overturns the cover, and the cover is enabled to close the upper end opening of the casing, alternatively,
So that the upper end opening of casing described in the apparatus lid opening.
Further, the body further includes the protective casing being contained in the casing and is rotationally contained in institute
State the intracorporal rotor of protecting crust, the protective casing includes outer housing and the inner housing that is contained in inside the outer housing, institute
It states outer housing to connect with the casing, gap is formed between the inner wall of the outer housing and the outer wall of the inner housing, it is described
The inner cavity of inner housing is formed with centrifugal chamber, and the rotor is rotationally contained in the centrifugal chamber.
Further, it is formed and is stopped along the protrusion axially upwards of the inner housing at the center of the bottom of the inner housing
Portion, the blocking portion be in circular cone structure, the lower end surface of the rotor be recessed upwards formed with the blocking portion cooperate groove,
The groove fits with the blocking portion.
Further, recess is formed with multiple resettlement grooves obliquely on the upper surface of the rotor, and the resettlement groove is by upper
Size to the lower central axes apart from the rotor gradually increases, and multiple resettlement grooves are evenly distributed in the rotor
The heart is on the same circumference in the center of circle.
Further, the axial direction on the inner wall of the casing along the casing offers guide groove, the outer wall of the outer housing
On be convexly equipped with the protrusion that the guide groove is slidably connected, the first magnetic part is installed on the upper surface of the bottom of the casing, it is described
First magnetic part is corresponded on the lower end surface of inner housing, and the second magnetic part is installed.
Further, the body further includes motor, and the motor is mounted on the upper surface of the bottom of shell, described
The upper end of the output shaft of motor pass through the blocking portion after connect with the rotor threads, the rotation direction of the motor with it is described
Rotor to screw direction identical.
Further, the resettlement groove is corresponded on the upper surface of the rotor offer mounting groove, the mounting groove and institute
Resettlement groove connection is stated, sealing element is installed in the mounting groove.
The beneficial effects of the utility model are: centrifuge convenient to use provided by the utility model, with traditional structure phase
Than enhancing the connective stability between body and cover, and use letter by the way that locking structure is arranged between body and cover
Singly, conveniently, convenient for popularization and use.
Detailed description of the invention
The utility model is described in further detail with reference to the accompanying drawings and examples.
Fig. 1 is the structural schematic diagram of the centrifuge convenient to use of the utility model；
Fig. 2 is the partial enlarged view in the centrifuge being easy to use shown in Fig. 1 at A.
Parts title and number are respectively as follows: in figure
| Body 10 | Casing 11 | Anti-slip part 111 |
| First magnetic part 112 | Accommodation groove 113 | Slot 114 |
| Container 115 | Protective casing 12 | Outer housing 121 |
| Second magnetic part 123 | Inner housing 122 | Interconnecting piece 1221 |
| Gap 120 | Blocking portion 1222 | Centrifugal chamber 1220 |
| Through-hole 1223 | Rotor 13 | Resettlement groove 131 |
| Mounting groove 132 | Sealing element 133 | Threaded hole 134 |
| Motor 14 | Shield 141 | Bearing 142 |
| Cover 20 | Connecting rod 31 | Card slot 311 |
| Locking bar 32 | Elastic component 33 | Electromagnet 34 |
| Reset spring 35 | Locking structure 30 |
Specific embodiment
The utility model is described in detail presently in connection with attached drawing.This figure is simplified schematic diagram, only in a schematic way
Illustrate the basic structure of the utility model, therefore it only shows composition related with the utility model.
Referring to Fig. 1, the utility model provides a kind of centrifuge convenient to use, which includes
Body 10, the cover 20 being mounted on body 10 and the locking structure 30 being arranged between body 10 and cover 20, work as locking
When structure 30 is in the lock state, both body 10 and cover 20 are mutually locked, and cover 20 can not open body 10, when locking knot
When structure 30 is in the unlocked state, the locking relationship between the two with cover 20 of body 10 is released from, and cover 20 can beat body 10
It opens.
Specifically, body 10 includes casing 11, the protective casing 12 being contained in casing 11, is rotationally contained in protection
Rotor 13 in shell 12 and the motor 14 for driving rotor 13 to rotate.
Casing 11 substantially has the hollow cylindrical structure of opening in upper end, and casing 11 conveniently makes as the utility model
The supporting body of centrifuge, in use, the bottom of casing 11 is placed on load plane (for example, desktop, experiment table top etc.),
Anti-slip part 111 is provided on the lower end surface of casing 11, anti-slip part 111 can increase between 11 bottom of casing and the load plane
Frictional force prevents centrifuge convenient to use when working because vibration causes centrifuge convenient to use mobile.Anti-slip part 111 includes
But it is not limited to protrusion, groove or knurling.
Protective casing 12 includes outer housing 121 and the inner housing 122 being contained in inside outer housing 121, and outer housing 121 is big
The hollow cylindrical structure in both ends perforation is caused, inner housing 122 substantially has the hollow cylindrical structure of opening, inner casing in upper end
Extending radially outwardly for the upper end edge inner housing 122 of body 122 is formed with interconnecting piece 1221, and interconnecting piece 1221 is far from inner housing 122
One end connect with the upper end of outer housing 121 so that the formation between the inner wall of outer housing 121 and the outer wall of inner housing 122 has
Gap 120.In present embodiment, the shape of outer housing 121 and the shape of casing 11 match, along casing on the inner wall of casing 11
11 axial direction offers the guide groove (not shown go out) of the upper surface of perforation casing 11, along outer housing 121 on the outer wall of outer housing 121
The protrusion (not shown go out) being radially outward convexly equipped with guide groove cooperation, the protrusion is slidably connected with the guide groove.Peace
It when filling protective casing 12, only needs from top to bottom to be inserted into along the guide groove, the protrusion and the cooperation of the guide groove limit
The circumferential movement of protective casing 12, meanwhile, the first magnetic part 112, inner housing 122 are installed on the upper surface of the bottom of casing 11
Lower end surface on corresponding first magnetic part 112 second magnetic part 123, the first magnetic part 112 and 123 phase of the second magnetic part are installed
Mutually attract, limits the axial movement of protective casing 12, protective casing 12 is completely restricted as a result, effectively prevents protecting
It is separated between shell 12 and casing 11.In addition, user overcomes the magnetic force between the first magnetic part 112 and the second magnetic part 123
Protective casing 12 is pulled up, protective casing 12 can be removed from casing 11, is convenient for changing and attended operation.This embodiment party
In formula, the first magnetic part 112 and the second magnetic part 123 are magnet.
Protrusion axially upwards at the center of the bottom of inner housing 122 along inner housing 122 forms blocking portion 1222, blocking portion
1222 be in circular cone structure, and the inner cavity of inner housing 122 is formed with centrifugal chamber 1220, offers through-hole at the center of blocking portion 1222
1223。
The substantially cylindrical structure of rotor 13, rotor 13 are rotationally contained in centrifugal chamber 1220, the lower end of rotor 13
Recess forms fluted (figure do not mark) upwardly, and the groove is matched with blocking portion 1222, enables groove and blocking
Portion 1222 fits, in order to reduce the frictional force between the cell wall of the groove and blocking portion 1222, the cell wall of the groove with
The upper surface of blocking portion 1222 is disposed as shiny surface.Being recessed obliquely on the upper surface of rotor 13, it is multiple for placing to be formed with
The size of the resettlement groove 131 of test tube, the from top to bottom central axes apart from rotor 13 of resettlement groove 131 gradually increases.Present embodiment
In, the quantity of resettlement groove 131 has multiple and is evenly distributed on using the center of rotor as on the same circumference in the center of circle.In order to anti-
Only the sample liquids in test tube are splashed out in high-speed rotation process to the outside of test tube, correspond to resettlement groove on the upper surface of rotor 13
131 offer mounting groove 132, and mounting groove 132 is connected to resettlement groove 131, and sealing element 133, sealing element are equipped in mounting groove 132
133 can close the open end of test tube, sample liquids can be effectively prevent to splash out.Sealing element 133 includes but is not limited to silica gel plug
Or rubber stopper.
In present embodiment, the lower end surface of rotor 13 corresponds to through-hole 1223 and offers threaded hole 134, and threaded hole 134 is blind
Hole.
Motor 14 is mounted on the upper surface of 11 bottom of casing, after the upper end of the output shaft of motor 14 passes through through-hole 1223
It is threadedly coupled with threaded hole 134.When motor 14 rotates, the output axial direction opposing through-bores 1223 of motor 14 drive rotor 13 to turn together
It is dynamic.When rotor 13 deviates rotation center because breaking down or revolving speed is excessively high, between rotor 13 and blocking portion 1222 exist compared with
Big extruding force, so that blocking portion 1222 generates larger vibration, and due to the presence in gap 120, vibration can be played slow
Punching effect, prevents effect of vibration power to be transferred on casing 11 too much and casing 11 is caused to damage.
In addition, the rotation direction of motor 14 and rotor 13 to screw direction identical, as a result, can in 14 rotation process of motor
Always facilitation is played to being tightened for rotor 13, effectively prevent the output shaft easy disengagement of rotor 13 Yu motor 14, mentions
The job stability of rotor 13 is risen.Meanwhile the outer cup of motor 14 is equipped with shield 141, the output shaft of motor 14 passes through anti-
Shield 141 is equipped with bearing 142 between the output shaft and shield 141 of motor 14, and specifically, the inner ring of bearing 142 is set in
The outside of the output shaft of motor 14, the outside of bearing 142 are mounted on shield 141, can be to motor by the way that bearing 142 is arranged
14 output shaft is played a supporting role, and prevents that moving occurs in the output shaft rotation process of motor 14.
The substantially plate-like structure of cover 20, the side of cover 20 and the upper end of casing 11 are hinged, opposite 11 tipper of casing
Lid 20 enables to cover 20 to close the upper end opening of casing 11, alternatively, making the upper end opening of the opening casing 11 of cover 20.
Referring to Fig. 2, from top to bottom successively offering accommodation groove 113 and slot 114, accommodation groove on the upper surface of casing 11
113 are connected with slot 114, and the size of accommodation groove 113 is greater than the size of slot 114, is recessed on the side wall of slot 114 and is formed
There is container 115.Locking structure 30 includes connecting rod 31, locking bar 32, elastic component 33 and electromagnet 34, specifically, connecting rod 31
Upper end is mounted on the lower end surface of cover 20, and the lower end of connecting rod 31 can be passed through when cover 20 closes the upper end opening of casing 11
It is stretched to after accommodation groove 113 in slot 114, the radially-inwardly recess on the side wall of connecting rod 31 along connecting rod 31 is formed with card slot 311.
Locking bar 32 and elastic component 33 are installed in container 115, elastic component 33 be telescopically arranged on locking bar 32 and container 115 it
Between, specifically, one end of elastic component 33 is connect with the groove bottom wall of container 115, the other end of elastic component 33 and the one of locking bar 32
End connection.In present embodiment, elastic component 33 is spring.When elastic component 33 in the raw when, locking bar 32 far from elasticity
One end of part 33 is stretched out outside container 115 and can fasten with card slot 311, at this point, connecting rod 31 is by 32 locking of locking bar, connecting rod 31
It can not be extracted, so that both body 10 and cover 20 are mutually locked.When 32 compression elastic piece 33 of locking bar move inward into
And when bouncing back in container 115, the locking relationship between connecting rod 31 and locking bar 32 is released from, and connecting rod 31 can be extracted, into
And the locking relationship for making body 10 between the two with cover 20 is released from.
Electromagnet 34 is mounted on the side wall of casing 11, and electromagnet 34 is located at side of the locking bar 32 far from connecting rod 31, lock
Bar 32 is magnetic absorption member, when electromagnet 34 it is electric when, electromagnet 34 has magnetic force and then attracts 32 compression elastic piece 33 of locking bar mobile
To bounce back in container 115.Locking bar 32 is magnetic absorption member made of the materials such as iron, nickel, so that locking bar 32 can work as electromagnet
34 are adsorbed when obtaining electric by electromagnet 34.In a specific embodiment, electromagnet 34 is led by the external battery of conducting wire
Be provided with a switch on line, user can by closure switch so that electromagnet 34 it is electric, or by disconnecting switch so that
34 power loss of electromagnet.It should be noted that 34 power loss of electromagnet, locking bar 32 is not inhaled in body 10 and 20 installation process of cover
Draw, only when needing to overturn cover 20, just obtains electromagnet 34 electric.
In addition, the lower end of connecting rod 31 and locking bar 32 are disposed as arc surface far from one end of elastic component 33, when connecting rod 31 to
When lower movement and then pushing and pressing locking bar 32, locking bar 32 can bounce back in container 115 under the collective effect of two arc surfaces, when
When connecting rod 31 continues to be moved downward to locking bar 32 and the contraposition of card slot 311, elastic component 33 resets and then locking bar 32 is pushed to make locking bar
32 are caught in card slot 311.
In addition, locking structure 30 further includes reset spring 35, the upper end of reset spring 35 is mounted on the lower end surface of cover 20
On, when cover 20 and body 10 are installed in place, reset spring 35 is located in accommodation groove 113, and the lower end of reset spring 35 and
The bottom wall of accommodation groove 113 flexibly supports, as a result, when the locking relationship between cover 20 and body 10 is released from, 20 energy of cover
It is enough to be popped up automatically under the reset response of reset spring 35, it is user-friendly.
Centrifuge convenient to use provided by the utility model, compared with traditional structure, by body 10 and cover 20
Between locking structure 30 is set, enhance the connective stability between body 10 and cover 20, and using simple, conveniently, be convenient for
It promotes the use of.
It is enlightenment, through the above description, relevant work with the above-mentioned desirable embodiment according to the utility model
Personnel can carry out various changes and amendments in without departing from the scope of the utility model completely.This item utility model
Technical scope is not limited to the contents of the specification, it is necessary to which the technical scope thereof is determined according to the scope of the claim.
Claims (10)
1. a kind of centrifuge convenient to use, it is characterised in that: the centrifuge convenient to use include the body with casing,
Cover and locking structure on the body, one end of the cover and the casing are hinged, the upper end of the casing
Slot is offered downwards, and recess is formed with container on the side wall of the slot, and the locking structure is described including that can protrude into
Connecting rod, locking bar, elastic component and electromagnet, one end of the connecting rod in slot are connect with the cover, the locking bar with it is described
Elastic component is installed in the container, and the elastic component is telescopically arranged between the locking bar and the container, institute
State the card slot for offering and being engaged on the side wall of connecting rod with the locking bar, the connecting rod one end and the lock far from the cover
Bar is disposed as arc surface far from one end of the elastic component, and the locking bar is magnetic absorption member, and the electromagnet is set to the casing
Side wall on, and the electromagnet is located at side of the locking bar far from the connecting rod.
2. the centrifuge being easy to use as described in claim 1, it is characterised in that: be also provided on the upper surface of the casing
Accommodation groove, the accommodation groove and the slot are from top to bottom set gradually, and the accommodation groove is connected to the slot, the locking
Structure further includes reset spring, and the upper end of the reset spring is connect with the cover, and the lower end of the reset spring can be with institute
The bottom wall for stating accommodation groove flexibly supports, and one end of the connecting rod stretches in the slot after passing through the accommodation groove.
3. the centrifuge being easy to use as claimed in claim 1 or 2, it is characterised in that: one end of the elastic component with it is described
The groove bottom wall of container connects, and the other end of the elastic component is connect with the locking bar far from one end of the connecting rod.
4. the centrifuge being easy to use as claimed in claim 1 or 2, it is characterised in that: the casing has opening in upper end
Hollow cylindrical configuration, the upper end of the cover and the casing is hinged, and the casing overturns the cover relatively, enables to
The cover closes the upper end opening of the casing, alternatively, making the upper end opening of casing described in the apparatus lid opening.
5. the centrifuge being easy to use as described in claim 1, it is characterised in that: the body further includes being contained in the machine
Protective casing in shell and be rotationally contained in the intracorporal rotor of the protecting crust, the protective casing include outer housing with
And it is contained in the inner housing inside the outer housing, the outer housing is connect with the casing, the inner wall of the outer housing and institute
It states and is formed with gap between the outer wall of inner housing, the inner cavity of the inner housing is formed with centrifugal chamber, and the rotor is rotationally received
It is dissolved in the centrifugal chamber.
6. the centrifuge being easy to use as claimed in claim 5, it is characterised in that: edge at the center of the bottom of the inner housing
The protrusion axially upwards of the inner housing forms blocking portion, and the blocking portion is in circular cone structure, the lower end of the rotor towards
Upper recess forms the groove with blocking portion cooperation, and the groove fits with the blocking portion.
7. the centrifuge being easy to use as claimed in claim 5, it is characterised in that: oblique recessed on the upper surface of the rotor
It falls into and is formed with multiple resettlement grooves, the size of the resettlement groove from top to bottom central axes apart from the rotor gradually increases, multiple
The resettlement groove is evenly distributed on using the center of the rotor as on the same circumference in the center of circle.
8. the centrifuge being easy to use as claimed in claim 5, it is characterised in that: along the casing on the inner wall of the casing
Axial direction offer guide groove, the protrusion that the guide groove is slidably connected, the bottom of the casing are convexly equipped on the outer wall of the outer housing
First magnetic part is installed on the upper surface in portion, first magnetic part is corresponded on the lower end surface of the inner housing and is equipped with second
Magnetic part.
9. the centrifuge being easy to use as claimed in claim 6, it is characterised in that: the body further includes motor, the electricity
Machine is mounted on the upper surface of the bottom of shell, the upper end of the output shaft of the motor pass through after the blocking portion with described turn
Son is threadedly coupled, the rotation direction of the motor and the rotor to screw direction identical.
10. the centrifuge being easy to use as claimed in claim 7, it is characterised in that: correspond to institute on the upper surface of the rotor
It states resettlement groove and offers mounting groove, the mounting groove is connected to the resettlement groove, is equipped with sealing element in the mounting groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920565221.1U CN208912323U (en) | 2019-04-24 | 2019-04-24 | A kind of centrifuge convenient to use |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920565221.1U CN208912323U (en) | 2019-04-24 | 2019-04-24 | A kind of centrifuge convenient to use |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208912323U true CN208912323U (en) | 2019-05-31 |
Family
ID=66713067
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920565221.1U Active CN208912323U (en) | 2019-04-24 | 2019-04-24 | A kind of centrifuge convenient to use |
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| Country | Link |
|---|---|
| CN (1) | CN208912323U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111804445A (en) * | 2020-07-14 | 2020-10-23 | 黄蕾 | Automatic locking biological cell test-tube rack in centrifuge operation |
-
2019
- 2019-04-24 CN CN201920565221.1U patent/CN208912323U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111804445A (en) * | 2020-07-14 | 2020-10-23 | 黄蕾 | Automatic locking biological cell test-tube rack in centrifuge operation |
| CN111804445B (en) * | 2020-07-14 | 2021-06-11 | 无锡市妇幼保健院 | Automatic locking biological cell test-tube rack in centrifuge operation |
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