CN109127161A - Board-like centrifuge - Google Patents

Abstract

The present invention relates to a kind of board-like centrifuges, it is characterized by comprising shell, upper cover and upper cover attachment devices, the shell of tubbiness includes top plate, top plate definition has upper cover container, upper cover attachment device is arranged on the inside of the top plate, and upper cover attachment device includes base portion and pivot fixed part, and the end of the upper cover is set in the both ends of shaft, it is rotationally clipped between pivot fixed part and base portion in the middle part of shaft, to realize the rotation connection of upper cover.The beneficial effects of the present invention are: upper cover attachment device of the present invention can rotation connection that is relatively closer and conveniently realizing upper cover by base portion and the cooperation of pivot fixed part.

Description

Board-like centrifuge

Technical field

The present invention relates to the devices that centrifugal treating is carried out to biological sample, more particularly, it relates to a kind of board-like Centrifuge.

Background technique

In molecular biology research and experimental field, the specific life such as separate, extract nucleic acid, protein from biological sample Object component is a kind of operation that application is very universal, is the basis of all follow-up studies and experiment.Commonly biological sample includes Animal tissue, plant tissue and microorganism etc..Particular organisms component is mentioned currently, can be used to realize there are many method It takes, operator selects distinct methods, be combined according to certain step according to the difference of original biological specimen, realization pair The extraction of particular organisms component.Involved concrete operations include grinding, broken born of the same parents, the solid-liquid mixing, centrifugation, mistake of solid-state sample Filter, chromatography, electrophoresis etc..

When carrying out centrifugal treating to biological sample, need to use centrifuge.Prior art centrifuge includes motor, rotation Axis and test tube disk seat, are provided on test tube disk seat multiple for being inserted into the jacks of test tube, and test tube disk seat is located at the top of motor, One end of rotation axis and the output axis connection of motor, the other end of rotation axis are connected on test tube disk seat, by the rotation of motor, The rotation of test tube disk seat is driven, to carry out centrifugal treating to invisible spectro biological sample.The centrifuge of this structure, usual upper cover Have certain gap with the pivot joint structure of shell, centrifuge work high speed rotation when, the connection structure of upper cover and shell Excessively loosening will lead to centrifugation machine vibration, or even influences centrifuge and operate normally.

Summary of the invention

The purpose of the present invention is to provide a kind of board-like centrifuges, it is intended to solve upper cover in the prior art and shell pivot Connect untight problem.

A kind of board-like centrifuge, including shell, upper cover and upper cover attachment device, the shell of tubbiness include top plate, top plate is fixed Justice has upper cover container, and upper cover attachment device is arranged on the inside of the top plate, and upper cover attachment device includes that base portion and pivot are solid Determine portion, the end of the upper cover is set in the both ends of shaft, be rotationally clipped in the middle part of shaft pivot fixed part and base portion it Between, to realize the rotation connection of upper cover.

Further, there are two upper cover mounting holes for the sidewall spacers setting of upper cover container, and upper cover includes from one end The lug for the two parallel intervals setting extended, axis hole is provided on the lug, and two lugs of upper cover pass through upper cover peace After filling hole, the both ends of shaft are set in by the axis hole on lug.

Further, the base portion is arranged on the inside of top plate comprising is arranged in the between two upper cover mounting holes One supporting block and the second supporting block, the first supporting block and the second supporting block correspond to shaft and are provided with the first dress axial trough, and pivot is fixed There is the second dress axial trough in portion towards the definition of the surface of base portion, and the receiving of the first dress axial trough and the second dress axial trough common definition shaft is empty Between.

Further, pivot fixed part is provided with adjacent to the both ends of upper cover mounting hole for the damping against the lug Part.

Further, damping piece protrudes from the contact surface that the end of pivot fixed part includes an arc.

Further, the side wall at both ends of the pivot fixed part adjacent to upper cover mounting hole is additionally provided with damping piece installation Hole, the fixation of damping piece one end are housed in damping piece mounting hole, and the other end of damping piece protrudes from pivot fixed part.

Further, lug have different thickness, so as to upper cover from be opened to closed position rotate when, pivot fixed part Gap between both ends and lug becomes smaller.

Further, further include bottom plate, interior of shell is provided with rotating device, the rotating device include motor, transmission shaft, Lower part hub cap, top hub cap and carrying case；

The lower part hub cap and top hub cap are oppositely arranged, and the top of the carrying case is fixed on the hub cap of top, carrying case Bottom end is fixed on the hub cap of lower part, and the top hub cap is provided with the socket of connection carrying case；

The middle part of the lower part hub cap has the motor installation shell to raise upward, and the motor is fixed on bottom plate and is located at horse Up in mounting shell body, transmission shaft is connected on motor output shaft, and the motor of the top hub cap and lower part hub cap installs shell It is fixed on transmission shaft.

Further, two loadings are symmetrically arranged with along center transmission shaft between the top hub cap and lower part hub cap Box.

Further, the carrying case is made of loading plate, the first folded plate and the second folded plate, the both ends of the loading plate Extend outwardly and form first folded plate and the second folded plate after bending in the same direction, and the first folded plate and the second folded plate are each perpendicular to The loading plate.

Further, the socket of the top hub cap is square, and the socket by be oppositely arranged on the hub cap of top One inner wall and the second inner wall and the third inner wall being oppositely arranged and the 4th inner wall enclose；

The top of the loading plate is resisted against on first inner wall, and the top of first folded plate is resisted against the third On inner wall, the top of second folded plate is resisted against on the 4th inner wall；

It is provided with the convex block outwardly protruded on first inner wall, the second inner wall, third inner wall and the 4th inner wall, and described Convex block be pressed in the top of the carrying case.

From the foregoing, it will be observed that upper cover attachment device of the present invention can relatively closer and side by base portion and the cooperation of pivot fixed part Just the rotation connection of upper cover is realized.Pivot fixed part is separately provided for adjacent to the both ends of upper cover mounting hole against described prominent The damping piece of ear can not only prevent the open and close excessive velocities of upper cover, moreover it is possible to eliminate centrifuge caused by upper cover installation gap Vibration or noise, eliminate the work hidden danger of centrifuge caused by upper cover is shaken when work.In addition, lug has different thickness Degree can make up the loosening of upper cover caused by mismachining tolerance, yet further enhance stability of the upper cover in centrifuge work.

Detailed description of the invention

Fig. 1 is the schematic perspective view of board-like centrifuge in one embodiment of the invention.

Fig. 2 is the configuration schematic diagram of board-like centrifuge in one embodiment of the invention.

Fig. 3 is the configuration schematic diagram of rotating device in one embodiment of the invention.

Fig. 4 is the schematic perspective view of motor mount plate in one embodiment of the invention.

Fig. 5 is the structural schematic diagram of motor and motor mount plate in one embodiment of the invention.

Fig. 6 is the structural schematic diagram of the loading plate of carrying case in one embodiment of the invention.

Fig. 7 is the schematic perspective view of one embodiment of the invention middle and upper part hub cap.

Fig. 8 is the schematic perspective view of one embodiment of the invention middle and lower part hub cap.

Fig. 9 is the top view of board-like centrifuge in another embodiment of the present invention.

Figure 10 is the diagrammatic cross-section in Fig. 9 at A-A.

Figure 11 is the top view of board-like centrifuge in another embodiment of the present invention.

Figure 12 is the schematic diagram of the section structure in Figure 11 at B-B.

Figure 13 is the schematic perspective view of board-like centrifuge in another embodiment of the present invention.

Figure 14 is the schematic perspective view at another visual angle of board-like centrifuge in Figure 13 embodiment.

Figure 15 is the upper cover of the board-like centrifuge of Figure 13 and the schematic perspective view of part upper cover attachment device.

Figure 16 is the schematic perspective view of the base portion of the upper cover attachment device of the board-like centrifuge of Figure 13.

Figure 17 is the schematic perspective view of the pivot fixed part of the upper cover attachment device of the board-like centrifuge of Figure 13.

Figure 18 is the schematic diagram of the section structure in Figure 17 at E-E.

Figure 19 is the top view of the board-like centrifuge of Figure 13.

Figure 20 is the section enlarged structure schematic diagram in Figure 19 at C-C.

Specific embodiment

In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right The present invention is further elaborated.

The present invention proposes first embodiment, and the present embodiment proposes a kind of board-like centrifuge, as shown in Figure 1, Figure 2 and Fig. 3 institute Show, which includes bottom plate 10 and shell 20, and shell 20 is fixed on bottom plate 10, has cavity inside shell 20, should Be provided with rotating device 30 in cavity, in the present embodiment, rotating device 30 include motor, transmission shaft 302, lower part hub cap 40, on Portion's hub cap 50 and carrying case 60, as shown in Figure 2 and Figure 3, shell 20 is substantially cylindrical, and the top hub cap 50 and lower part turn Lid 40 is rounded, and the diameter of top hub cap 50 and lower part hub cap 40 is less than the internal diameter of shell 20；The lower part hub cap 40 and top The size of hub cap 50 is identical, and top hub cap 50 is located at the top of lower part hub cap 40 and is oppositely arranged.The top hub cap 50 is under Along the centrosymmetric setting of transmission shaft 302, there are two carrying cases 60 between portion's hub cap 40, wherein the top of the carrying case 60 is solid It is scheduled on top hub cap 50, the bottom end of carrying case 60 is fixed on lower part hub cap 40, and the top hub cap 50 is provided with connection dress Carry the socket 501 of box.For being inserted into Reagent Tube into the carrying case 60, when needing to be centrifuged reagent, pass through top The socket 501 of hub cap 50 is put into the rack for test tube for being mounted with test tube into two carrying cases 60, and the test tube in rack for test tube is along level side To putting, and the bottom of test tube is directed away from the direction of transmission shaft 302；The rotation of rotating device 30 then carries out at centrifugation test tube Reason, so that the solution in test tube gathers test tube bottom.Further, the middle part of the lower part hub cap 40 has and raises upward Motor installs shell 401, and the motor is fixed on bottom plate 10 and is located in motor installation shell 401, and motor installs shell 401 Then it is located between two carrying cases 60；Transmission shaft 302 is connected on the output shaft of motor, and the top hub cap 50 and lower part turn The motor installation shell 401 of lid 40 is fixed on transmission shaft 302, and the rotation of motor then drives top hub cap 50 and lower part hub cap 40 It rotates together.

It is opened after rack for test tube is put into carrying case 60 by the socket 501 of top hub cap 50 by above-mentioned structure Dynamic centrifuge, is centrifuged the test tube on rack for test tube, since the middle part of lower part hub cap 40 is provided with the motor to raise upward peace Shell 401 is filled, motor is packed into the motor installation shell 401, so that the center of gravity of motor is located at 40 level side of lower part hub cap To top position；Carrying case 60 is arranged between top hub cap 50 and lower part hub cap 40, and is located at motor and shell 401 is installed Two sides, rack for test tube is put into carrying case 60, and test tube disk seat is directly fixed on to the top of transmission shaft compared to the prior art Centrifuge reduces height locating for rack for test tube, is not in vibration by a relatively large margin when the motor is energized, to improve Board-like centrifuge traveling comfort；Simultaneously as top hub cap 50, lower part hub cap 40 and two carrying cases 60 are along biography The centrosymmetric structure of moving axis 302 makes the center of gravity position of rack for test tube, 40 entirety of carrying case 60, top hub cap 50 and lower part hub cap In on the center line of transmission shaft 302, when motor drives in top hub cap 50, lower part hub cap 40, carrying case 60 and carrying case 60 Rack for test tube rotation when, the center line around transmission shaft 302 is rotated, thus rotate it is very steady, to reduce Vibration when centrifuge is run, reduces the center of gravity of centrifuge entirety, the operation of centrifuge entirety is then more steady.Under in addition, The middle part of portion's hub cap 40 raises upward to form motor installation shell 401, and carrying case 60 is located at the two sides of motor installation shell 401, After being put into rack for test tube in carrying case 60, rack for test tube is then located between top hub cap 50 and lower part hub cap 40, and is located at motor and installs The two sides of shell 401, it is this it is structurally reasonable limited space inside centrifuge is utilized, reduce board-like centrifugation of the invention The height of machine entirety, so that board-like centrifuge entirety is compact-sized, small and exquisite.

In the above-described embodiment, as shown in Figure 1 and Figure 2,10 lower part of bottom plate is equipped with a resilient cushion 101, resilient cushion 101 are fixed by screws in the lower surface of bottom plate 10, and resilient cushion 101 plays supporting role to shell 20, meanwhile, it is board-like from When scheming carries out centrifugal treating, resilient cushion 101 plays the role of buffering, damping to board-like centrifuge, described in the present embodiment Resilient cushion 101 in a ring, compared to the prior art by the way of multiple support footed glasses, the resilient cushion 101 of this structure has There is more preferably damping effect.

Further, in the above-described embodiment, for the mounting structure of the motor, as shown in Figure 4, Figure 5, the present invention A specific embodiment is proposed, the motor is fixed in a motor mount plate 70, and Fig. 4 is the solid of motor mount plate 70 Structural schematic diagram, the motor mount plate 70 include fixed plate 701, support plate 702 and fixing end 703, and the motor is solid It is scheduled in the fixed plate 701, there is centre bore 7010 at the center of fixed plate 701, the output shaft of motor is from fixed plate 701 Centre bore pass through, motor is fixed on to the lower section of the fixed plate 701 by screw；The both ends of fixed plate 701 are to extension It stretches and forms two support plates 702 after bending in the same direction, and support plate 702 and fixed plate 701 are perpendicular, motor is then located at two branch Between fagging 702；The bottom end of the support plate 702 extends outwardly and forms the fixing end 703, fixing end 703 after bending It is perpendicular with support plate 702, it is provided with screw hole 7030 in fixing end 703, fixing end 703 is fixed on institute by locking screw On the bottom plate 10 stated.By the effect of motor mount plate 70, motor is fixed, while in the present embodiment, motor installation Plate 70 has raised the location of motor, and the output shaft of motor is directly connected with transmission shaft 302, thus shortening transmission as far as possible The length of axis 302 avoids transmission shaft 302 from trembling during rotation, so that the rotation of transmission shaft 302 is more steady, plate The operation of formula centrifuge is more steady.

On the basis of the above embodiments, for the carrying case 60, as shown in fig. 6, specific the invention proposes one Embodiment, wherein the carrying case 60 is made of loading plate 601, the first folded plate 602 and the second folded plate 603, the loading The both ends of plate 601 extend outwardly and form first folded plate 602 and the second folded plate 603, and the first folded plate after bending in the same direction 602 and second folded plate 603 be each perpendicular to the loading plate 601, as shown in Figure 2 and Figure 3, carrying case 60 is fixed on top and is turned After between lid 50 and lower part hub cap 40, carrying case 60 is the shape for forming side and having opening, and rack for test tube is put into carrying case 60 When interior, rack for test tube is then located between first folded plate 602 and the second folded plate 603, and the test tube bottom on rack for test tube then leans against On the loading plate 601, when carrying case 60 rotates, under the influence of centrifugal force, the sample in test tube then converges to test tube Bottom.In the present embodiment, the design of such structure of carrying case 60, the size to carrying case 60 along test tube length direction is not carried out It limits, when test tube is put into carrying case 60, carrying case 60 is applicable to the different test tube of different lengths, therefore plate of the invention Formula centrifuge can carry out centrifugal treating to the test tube of plurality of specifications, applied widely.

On the basis of embodiment shown in Fig. 6, the structure of the carrying case 60 described for fixation is specific the invention proposes one Embodiment, as shown in Fig. 7, Fig. 8 and Fig. 3, the socket 501 of the top hub cap 50 is square, and the socket 501 is by top The first inner wall 5011 and the second inner wall (not indicated in figure) that are oppositely arranged on hub cap 50 and the third inner wall being oppositely arranged 5013 and the 4th inner wall 5014 enclose, when the top of carrying case 60 is mounted on top hub cap 50, the top of loading plate 601 It is resisted against on first inner wall 5011, the top of first folded plate 602 is resisted against on the third inner wall 5013, institute The top for stating the second folded plate 603 is resisted against on the 4th inner wall 5014；Also, in first inner wall 5011, second The convex block 5015 outwardly protruded, and the convex block 5015 are provided on wall, third inner wall 5013 and the 4th inner wall 5014 It is pressed in the top of the carrying case 60.As shown in Fig. 8, Fig. 3, the upper surface of the lower part hub cap 40 has limit plate 402 and limit Position block 403, limit plate 402 and limited block 403 are provided with two groups along transmission shaft 302 is centrosymmetric in the present embodiment, described Limit plate 402 includes the first limit plate 4021, the second limit plate 4022 and third limit plate 4023, and lower part hub cap 40 is in circle The both ends of shape, the first limit plate 4021 are located on the circumference of lower part hub cap 40, the second limit plate 4022 and third limit plate 4023 It is respectively positioned on the same side of the first limit plate 4021, and is respectively perpendicular on the both ends for being connected to first limit plate 4021；Into One step, the side of the first limit plate 4021 is arranged in limited block 403, when the bottom end of carrying case 60 is fixed on lower part hub cap 40 When, the bottom end of loading plate 601 is caught between the limited block 403 and the first limit plate 4021, first folded plate 602 against On second limit plate 4022, second folded plate 603 is resisted against on the third limit plate 4023.Pass through loading Such fixed structure of box 60, when installing carrying case 60, it is only necessary to which carrying case 60 is caught in lower part hub cap 40 and top hub cap Between 50, hereafter top hub cap 50 is fixed, then completes the installation to carrying case 60, when disassembly also need to only turn top Lid 50 dismantle after, carrying case 60 is removed from lower part hub cap 40, this structure of carrying case 60 be easy to implement installation and Disassembly.

On the basis of the above embodiments, for the board-like centrifuge, as shown in Fig. 9, Figure 10 and Fig. 7, Fig. 8, The invention proposes a specific embodiment, in Fig. 8, the top of the motor installation shell 401 is provided with for making transmission shaft 302 the first fixation holes 4011 passed through in Fig. 7, are provided at the center of the top hub cap 50 for passing through transmission shaft 302 The second fixation hole 502, when transmission shaft 302 from the first fixation hole 4011 and the second fixation hole 502 pass through when, by locking spiral shell Nail, top hub cap 50 and lower part hub cap 40 are fixed on transmission shaft 302, when motor rotates, by the effect of transmission shaft 302, Top hub cap 50 and lower part hub cap 40 is driven to rotate.In the present embodiment, as shown in Fig. 1, Fig. 9 and Figure 10, the shell 20 Top, which is provided with, is put into mouth 201 for be put into test tube, and the top of the shell 20, which is rotatablely installed, to be put into for covering described Mouthfuls 201 upper cover 202, the top of the shell 20 are provided with a through-hole 203, the through-hole of the top of transmission shaft 302 from shell 20 It is pierced by 203, and the top of transmission shaft 302 is fixedly installed with for the friction pulley 204 being adjusted to transmission shaft 302.When When needing to carry out centrifugal treating to the sample in test tube, the transmission shaft 302 is rotated by friction pulley 204, makes carrying case 60 Positioned at the underface for being put into mouth 201, after being put into first rack for test tube, by 90 ° of rotating drive shaft again of friction pulley 204, make another One carrying case 60 is located at the underface for being put into mouth 201, is hereafter put into second rack for test tube, after covering the upper cover 202, leads to The control panel for crossing the top of shell 20 controls board-like centrifuge, the revolving speed of the adjustable motor of control panel, control from The time etc. of heart processing；After the completion of centrifugal treating, motor is set to stop operating by control panel 205, when carrying case 60 stops turning After dynamic, by 204 rotating drive shaft 302 of friction pulley, first carrying case 60 made to be in the underface for being put into mouth 201, take out warp First rack for test tube of centrifugal treating takes out the through centrifugal treating thereafter through 90 ° of rotating drive shaft again of friction pulley 204 Two rack for test tubes.

Further, as shown in Figure 11, Figure 12, on the basis of the embodiment described in Fig. 9, Figure 10, the invention also provides One specific embodiment is equipped with a position detector 80 on the bottom plate 10, passes through the position detector 80 and detects lower part and turns The position of lid 40, when starting board-like centrifuge and carrying out centrifugal treating, position detector 80 stops working, at this time motor 301 The range of speeds is 2000-2700r/min, can be adjusted according to actual needs to revolving speed；When board-like centrifuge stops at centrifugation Reason, and motor 301 be in inertia rotate when, position detector 80 is then started to work, and is put into when detecting that carrying case 60 is not in When the underface of mouth 201, position detector 80 generates contraposition signal and controls motor, makes the rotation of motor 301 at a slow speed, in general, Control 301 revolving speed of motor is 300r/min, and when motor 301 drives carrying case 60 to turn to the underface of entrance 201, position is passed Sensor 80 generates the first stop signal control motor and stops operating, so that carrying case 60 aligns entrance 201 after stopping operating substantially Underface, consequently facilitating taking out rack for test tube in one of carrying case 30 from mouth 201 is put into；Hereafter, pass through control panel On switching push button, control motor 301 again at a slow speed 180 ° of rotation work as horse in general, 301 revolving speed of motor is 300r/min When driving another carrying case 60 to turn to the underface of entrance 201 up to 301, position sensor 80 generates the second stop signal control Motor processed stops operating, so that another carrying case 60 aligns the underface of entrance 201 substantially after stopping operating, convenient for from being put into Mouth 201 takes out the rack for test tube in another carrying case.

With reference to Figure 13-15, in an embodiment, the shell 20 is tubbiness comprising top plate 21, defining on top plate 21 has Upper cover container 22.The matching of the shape of the upper cover container 22 and upper cover 202, when upper cover 202 is closed, upper cover 202 is accommodated In the upper cover container 22 and cover the test tube to be processed being put into mouth 201.

The board-like centrifuge of present embodiment further comprises upper cover attachment device 90, and the upper cover attachment device 90 is used for It is rotatablely installed the upper cover 202.In the present embodiment, the upper cover attachment device 90 includes base portion 91 and pivot fixed part 92. The end of the upper cover 202 is set in the both ends of shaft 93, and 93 middle part of shaft is rotationally clipped in pivot fixed part 92 and pedestal Between portion 91, to realize the rotation connection of upper cover 202.In the present embodiment, the shell 20 is arranged in upper cover attachment device 90 The inside of top plate 21.Upper cover attachment device 90 of the present invention by base portion 91 and the cooperation of pivot fixed part 92 can it is relatively close and Conveniently realize the rotation connection of upper cover 202.

Together refering to fig. 16, a side wall 23 of 20 top center of close shell of the upper cover container 22 is spaced setting There are two upper cover mounting hole 231, the upper cover mounting hole penetrates through the top plate 21 of the shell 20.

Referring again to Figure 15, in the present embodiment, the upper cover 202 includes the two parallel intervals setting extended from one end Sheet lug 2021, be provided with axis hole 2023 on the sheet lug 2021, described two upper cover mounting holes 231 be used for across And accommodate the sheet lug 2021.Two lugs 2021 of the upper cover 202 pass through on lug after passing through upper cover mounting hole 231 Axis hole 2023 be set in shaft 93 both ends realize upper cover 202 pivot connection.

Together refering to fig. 16, in the present embodiment, the inside that the top plate 21 is arranged in the upper cover attachment device 90 is neighbouring The position of side wall 23.The base portion 91 includes that the first supporting block 911, the second supporting block 912 of 21 inside of top plate, institute is arranged in It states the first supporting block 911 and the second supporting block 912 is respectively adjacent to upper cover mounting hole 231 and is arranged in two upper cover mounting holes 231 Between.Base portion 91 further includes the first stopper 913 and the second stopper 914 that the inside of top plate 21 is arranged in, and two upper covers Mounting hole 231 is between the first stopper 913 and the second stopper 914.In the present embodiment, the first supporting block 911 and first Stopper 913 is neighbouring and is located at the two sides of a upper cover mounting hole 231, and the second supporting block 912 and the second stopper 914 are adjacent to simultaneously Positioned at the two sides of another upper cover mounting hole 231.Base portion 91 described in the present embodiment includes the first dress that corresponding shaft 93 is arranged Axial trough 915.The first dress axial trough 915 is defined on the first supporting block 911, the second supporting block 912, the first stopper 913 and the Two stoppers 914 are towards the surface of pivot fixed part 92.First supporting block 911 and the second supporting block 912 are towards pivot fixed part 92 surface there is also defined multiple axis fixing threaded holes 918.

In alternate embodiments, shaft 93 is axial to be moved for limiting for first stopper 913 and the second stopper 914 It is dynamic, when the first supporting block 911 and the second supporting block 912 are provided with axial movement position limiting structure such as circlip, for limiting shaft When 93 axial movement, first stopper 913 and the second stopper 914 be can be omitted, at this time only the first supporting block and the Two supporting blocks correspond to shaft and are provided with the first dress axial trough 915.In other alternate embodiments, the first supporting block 911 and the second support Block 912 is also substitutable for a longer supporting block, but two supporting blocks are more advantageous because friction is small.

7-20, the substantially square strip of the pivot fixed part 92, length are substantially equal to two upper cover peaces refering to fig. 1 together The distance between hole 231 is filled, the both ends of pivot fixed part 92 respectively correspond the axis of the first supporting block 911 and the second supporting block 912 Fixing threaded hole 918 is provided with axis fixed hole 928.Pivot fixed part 92 has and the first dress axis towards the definition of the surface of base portion 91 The second dress axial trough 925 that slot 915 is adapted to, the receiving of the first dress axial trough 915 and the second dress 925 common definition shaft 93 of axial trough are empty Between.

In the present embodiment, the pivot fixed part 92 includes side wall 921,922 adjacent to the both ends of upper cover mounting hole 231, point It is not provided with for the damping piece 921 against the lug 2021.In the present embodiment, the pivot fixed part 92 is pacified adjacent to upper cover The side wall 921,922 in dress hole 231 is additionally provided with damping piece mounting hole 922, and the damping piece 921 is rubber pad, and one end is fixed It being housed in damping piece mounting hole 92, the end of the other end protrudes from pivot fixed part 92 for against the lug 2021, compared with In good embodiment, in order to adaptively adjust the size of resistance, the damping piece 921 protrudes from the other end of pivot fixed part 92 Contact surface including an arc.The damping piece 921 of the present embodiment always can be against around shaft during upper cover 202 opens and closes The lug 2021 of 93 rotations, can not only prevent the open and close excessive velocities of upper cover, moreover it is possible to which eliminating the installation of upper cover 202 gap causes Centrifuge work when upper cover shake caused by vibration or noise, eliminate the work hidden danger of centrifuge.In better embodiment, The lug 2021 has different thickness, can make up the loosening of upper cover caused by mismachining tolerance, also may make upper cover 202 from beating When reaching closed position rotation, the gap between 92 both ends of pivot fixed part and lug 2021 becomes smaller, so that lug 2021 and resistance There is bigger elastic force between damping member 921, further enhance stability of the upper cover in centrifuge work.

When board-like centrifuge installation of the invention, two lugs 2021 of upper cover 202 are first respectively penetrated into upper cover mounting hole 231 In, it is put into the first dress axial trough 915 after 93 both ends of shaft are then passed through the axis hole 2023 on lug 2021, then fixes pivot The second dress contraposition of axial trough 925 in portion 92 accommodates and pushes down shaft 93, fixes after passing through the axis fixed hole 928 using bolt 94 It, can be by the corresponding pivot for being mounted in base portion 91 and realizing upper cover 202 of the pivot fixed part 92 into axis fixing threaded hole 918 Axis connection.The board-like centrifuge mounting means of invention of the invention is relatively simple.

The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.

Claims (11)

1. a kind of board-like centrifuge, it is characterised in that: including shell, upper cover and upper cover attachment device, the shell of tubbiness includes top Plate, top plate definition have upper cover container, and upper cover attachment device is arranged on the inside of the top plate, and upper cover attachment device includes base portion With pivot fixed part, the end of the upper cover is set in the both ends of shaft, be rotationally clipped in the middle part of shaft pivot fixed part and Between base portion, to realize the rotation connection of upper cover.

2. board-like centrifuge according to claim 1, it is characterised in that: a sidewall spacers of upper cover container are provided with Two upper cover mounting holes, upper cover include the lug for the two parallel intervals setting extended from one end, are provided on the lug Axis hole is set in the both ends of shaft by the axis hole on lug after two lugs of upper cover pass through upper cover mounting hole.

3. board-like centrifuge according to claim 2, it is characterised in that: the base portion is arranged on the inside of top plate, packet The first supporting block and the second supporting block being arranged between two upper cover mounting holes are included, the first supporting block and the second supporting block are corresponding Shaft is provided with the first dress axial trough, and pivot fixed part has the second dress axial trough towards the definition of the surface of base portion, the first dress axial trough and The accommodating space of second dress axial trough common definition shaft.

4. board-like centrifuge according to claim 2, it is characterised in that: pivot fixed part is adjacent to the both ends of upper cover mounting hole It is provided with for the damping piece against the lug.

5. board-like centrifuge according to claim 4, it is characterised in that: damping piece protrudes from the end packet of pivot fixed part Include the contact surface of an arc.

6. board-like centrifuge according to claim 4, it is characterised in that: the pivot fixed part is adjacent to upper cover mounting hole The side wall at both ends is additionally provided with damping piece mounting hole, and the fixation of damping piece one end is housed in damping piece mounting hole, damping piece it is another One end protrudes from pivot fixed part.

7. board-like centrifuge according to claim 4, it is characterised in that: lug have different thickness, so as to upper cover from When being opened to closed position rotation, the gap between pivot fixed part both ends and lug becomes smaller.

8. board-like centrifuge according to claim 1, it is characterised in that: further include bottom plate, interior of shell is provided with rotation Device, the rotating device include motor, transmission shaft, lower part hub cap, top hub cap and carrying case；

The lower part hub cap and top hub cap are oppositely arranged, and the top of the carrying case is fixed on the hub cap of top, carrying case Bottom end is fixed on the hub cap of lower part, and the top hub cap is provided with the socket of connection carrying case；

The middle part of the lower part hub cap has the motor installation shell to raise upward, and the motor is fixed on bottom plate and is located at horse Up in mounting shell body, transmission shaft is connected on motor output shaft, and the motor of the top hub cap and lower part hub cap installs shell It is fixed on transmission shaft.

9. board-like centrifuge according to claim 7, it is characterised in that: along biography between the top hub cap and lower part hub cap There are two carrying cases for the centrosymmetric setting of moving axis.

10. board-like centrifuge according to claim 7 or 8, it is characterised in that: the carrying case is by loading plate, the first folding Plate and the second folded plate are constituted, and the both ends of the loading plate extend outwardly and form first folded plate and the after bending in the same direction Two folded plates, and the first folded plate and the second folded plate are each perpendicular to the loading plate.

11. board-like centrifuge according to claim 3, it is characterised in that: the socket of the top hub cap is square, and institute Socket is stated by the first inner wall and the second inner wall that are oppositely arranged on the hub cap of top and the third inner wall being oppositely arranged and the 4th Wall encloses；

The top of the loading plate is resisted against on first inner wall, and the top of first folded plate is resisted against the third On inner wall, the top of second folded plate is resisted against on the 4th inner wall；

It is provided with the convex block outwardly protruded on first inner wall, the second inner wall, third inner wall and the 4th inner wall, and described Convex block be pressed in the top of the carrying case.