Blood that conveniently fixes test tube detects uses centrifuge
Technical Field
The invention relates to the technical field related to medical instruments, in particular to a centrifuge for blood detection, which is convenient for fixing a test tube.
Background
The centrifuge for blood detection is a centrifuge which separates plasma and red blood cells in blood under the centrifugal action of high-speed rotation to achieve the effect of conveniently carrying out different detections on the blood, however, although the existing centrifuges on the market have various shapes, the principle is basically the same in the working process, and certain problems still remain to be solved in the using process;
1. in the process of carrying out centrifugal detection on test tubes with blood, only the upper layer of the whole centrifuge can place the test tubes, so that when more test tubes to be detected are needed, the detection work on a large amount of blood cannot be carried out, and in the process of placing the test tubes, because a plurality of equally spaced apart placing seats are distributed in the centrifuge, the phenomenon of dazzling of inspectors often occurs in the process of symmetrically placing the test tubes, for example, the application No. CN20152015295, one centrifugal turntable mentioned in the medical centrifuge is provided, although the problem of balancing can be well avoided, the number of the test tubes placed in the centrifuge is limited, and the working efficiency of the whole centrifuge is lower;
2. placing the centrifugal in-process to the test tube, fixing work that carries on that can not be fine, and then just make and place the seat and use for a long time and can cause the surface smooth, and then can very easily and the test tube between appear the clearance, lead to fixed unstability, influence the efficiency that detects, like application number CN201721164272.0, the setting of the inside resettlement groove of portable medical blood centrifuge.
Therefore, we have proposed a centrifuge for blood test that facilitates fixing of a test tube so as to solve the problems set forth above.
Disclosure of Invention
The invention aims to provide a centrifuge for blood detection, which is convenient for fixing a test tube, and aims to solve the problems that the centrifuge for blood detection in the prior market cannot simultaneously centrifuge a large amount of blood in the centrifuge during use and the test tube is not stably arranged during centrifugation.
In order to achieve the purpose, the invention provides the following technical scheme: a centrifuge for blood detection, which is convenient for fixing a test tube, comprises a base and an external sleeve, the machine body is fixedly arranged above the base, the top end of the upper part of the machine body is connected with the cover plate through a hinge, a motor is embedded in the middle of the base, the output end of the motor is connected with the screw rod, a bearing above the screw rod is connected with a limiting seat, the bottom of the limiting seat is connected with the bottom of the machine body through a supporting rod, a screw rod is sleeved in the outer sleeve, a connecting ring is welded and installed at the bottom of the outer sleeve, a first placing ring and a second placing ring are connected and installed on the connecting rod outside the external sleeve, placing seats are arranged above the first placing ring and the second placing ring, and the external connection of first ring of placing has the gag lever post, and the inside at the spout of organism outer lane is inlayed on the top of gag lever post simultaneously.
Preferably, a pawl is arranged at a position below the screw rod, the outer portion of the screw rod is in threaded connection with the outer sleeve, and the bottom of the outer sleeve and the connecting ring form an integral structure.
Preferably, the inside of the connecting ring is inlaid with serrated ratchets, the ratchets penetrate through the upper side and the lower side of the connecting ring, the ratchets are clamped with the pawls, and meanwhile the bottom of the connecting ring is clamped with the top end of the limiting seat.
Preferably, the first placing ring and the second placing ring are both in a quarter arc-shaped structure, the first placing ring and the second placing ring are distributed in a concentric circle shape, and three groups of the first placing ring and the second placing ring are arranged outside the outer sleeve at equal intervals.
Preferably, the two sides of the placing seat are provided with pressing rods, the side surfaces of the pressing rods are of a saw-toothed structure, the pressing rods are matched with the gear tooth-shaped structures on the shaft rod, and one side of the shaft rod is in threaded connection with the moving block.
Preferably, the sliding groove is of a cross-shaped structure on the surface of the inner wall of the machine body, and the top end of the sliding groove penetrates through the upper part of the machine body.
Preferably, the inner side of the moving block is provided with a pressing plate made of rubber, the length of the pressing plate is greater than two thirds of the depth of the placing hole, and the placing hole penetrates through the center of the placing seat.
Preferably, the outside intermediate position winding of pressing the pole has the torsional spring, and the below top of torsional spring is connected with the inner wall of placing the seat to the torsional spring sets up the centre at 2 axostylus axostyles.
Compared with the prior art, the invention has the beneficial effects that: the centrifuge for blood detection is convenient for fixing the test tubes, the three layers are arranged in the centrifuge, a large number of test tubes to be detected can be placed, meanwhile, the height of the connecting rod at the bottom of the placing ring can be well adjusted, the test tubes on each layer can be conveniently taken, meanwhile, in the process of placing the test tubes, the test tubes can also be well fixed, and the phenomenon that the test tubes are seriously shaken can not occur when the test tubes are conveniently taken;
1. three layers of placing rings are uniformly distributed outside the whole external sleeve and are also indirectly placed above the connecting rod in a layered mode, so that a large number of test tubes can be conveniently placed on the three layers of placing rings, meanwhile, the three layers of placing rings can well ascend along with the external sleeve in the using process and can also well rotate under the action of a connecting ring at the bottom, the centrifugal efficiency is not influenced, meanwhile, the height of the three layers of placing rings can be well adjusted, and the test tubes above the placing rings can be conveniently taken;
2. the whole test tube can be fine carry out extrusion work under the effect of stripper plate, the work of taking the test tube that also can be fine of setting up of cooperation axostylus axostyle and stripper bar, whole process is convenient and quick, and unstable phenomenon of test tube can not appear simultaneously yet and takes place.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic main sectional view of the present invention;
FIG. 3 is a schematic top view of the interior of the housing of the present invention;
FIG. 4 is an enlarged view of the structure at A in FIG. 3 according to the present invention;
FIG. 5 is a schematic top view of the placement base of the present invention;
FIG. 6 is a schematic front view of the inner wall of the housing of the present invention;
FIG. 7 is a schematic view of a main sectional structure of a lead screw according to the present invention;
FIG. 8 is a schematic view of a main sectional structure of the placing seat of the present invention;
fig. 9 is a schematic view of the connecting structure of the shaft lever and the pressing lever according to the present invention.
In the figure: 1. a base; 2. a body; 3. a cover plate; 4. a hinge; 5. a motor; 6. a screw rod; 601. a pawl; 7. an outer sleeve; 8. a connecting ring; 801. a ratchet; 9. a limiting rod; 10. a support bar; 11. a first placement ring; 12. a placing seat; 13. a connecting rod; 14. a second placing ring; 15. a chute; 16. a pressing lever; 17. placing holes; 18. a shaft lever; 19. a torsion spring; 20. a pressing plate; 21. a moving block; 22. a limiting seat.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-9, the present invention provides a technical solution: a centrifuge for blood detection convenient for fixing a test tube comprises a base 1, a machine body 2, a cover plate 3, a hinge 4, a motor 5, a screw rod 6, a pawl 601, an external sleeve 7, a connecting ring 8, a ratchet 801, a limiting rod 9, a supporting rod 10, a first placing ring 11, a placing seat 12, a connecting rod 13, a second placing ring 14, a sliding chute 15, a pressing rod 16, a placing hole 17, a shaft rod 18, a torsion spring 19, a squeezing plate 20, a moving block 21 and a limiting seat 22, wherein the machine body 2 is fixedly installed above the base 1, the top end of the upper part of the machine body 2 is connected with the cover plate 3 through the hinge 4, the motor 5 is embedded in the middle of the base 1, the output end of the motor 5 is connected with the screw rod 6, the upper bearing of the screw rod 6 is connected with the limiting seat 22, the bottom of the limiting seat 22 is connected with the bottom of the machine body 2 through the supporting, and the bottom welding of outside sleeve 7 installs go-between 8 to connect to install on the connecting rod 13 of outside sleeve 7 outside and place ring 11 and the second and place ring 14, the first top of placing ring 11 and the second and placing ring 14 all is provided with places seat 12, and the first external connection who places ring 11 has gag lever post 9, and the inside at the spout 15 of organism 2 outer lane is inlayed on the top of gag lever post 9 simultaneously.
The lower position of lead screw 6 is provided with pawl 601, and be threaded connection between the outside of lead screw 6 and the outside sleeve 7, structure as an organic whole between the bottom of outside sleeve 7 and go-between 8 simultaneously, conveniently drives go-between 8 and rises and descends in the in-process that outside sleeve 7 rises and descends to and conveniently drive the rotatory effect of outside sleeve 7 at the rotatory in-process of go-between 8.
The inside of go-between 8 is inlayed and is jagged ratchet 801, and ratchet 801 runs through the upper and lower both sides of go-between 8 to mutual block between ratchet 801 and the pawl 601, mutual block between the bottom of go-between 8 and the top of spacing seat 22 simultaneously, the convenience is under the block effect of ratchet 801 and pawl 601, makes go-between 8 can rotate, also can carry out lifting work along with outside sleeve 7.
First place ring 11 and second and place ring 14 and all be the circular arc structure of quarter, and first place ring 11 and second and place ring 14 and be concentric circular distribution to first place ring 11 and second and place ring 14 and be provided with three groups at the outside equidistant of outside sleeve 7, convenient symmetry place the test tube, the setting of three groups simultaneously can be disposable carry out centrifugal work to a large amount of test tubes, make whole centrifuge's work efficiency higher.
The both sides of placing seat 12 are provided with press bar 16, and the side of press bar 16 is serration structure, and press bar 16 is identical with the teeth of a cogwheel column structure on the axostylus axostyle 18 to be threaded connection between one side of axostylus axostyle 18 and the movable block 21, threaded connection's setting conveniently makes the rotatory in-process of axostylus axostyle 18, makes 2 movable blocks 21 carry out in opposite directions or the opposite removal.
The inner wall surface of the machine body 2 of the sliding groove 15 is of a cross-shaped structure, the top end of the sliding groove 15 penetrates through the upper portion of the machine body 2, the connecting rod 13 can conveniently rotate in a limiting mode under the action of the sliding groove 15, and lifting work can be well conducted.
The inboard of movable block 21 is provided with for the stripper plate 20 of rubber material, and the length of stripper plate 20 is greater than and places the two-thirds of hole depth in hole 17 to place hole 17 and run through and put at the central point of placing seat 12, conveniently carry out fixing work to the test tube.
According to 16 outside intermediate positions of pressing rod twine there is torsional spring 19, and the below top of torsional spring 19 is connected with the inner wall of placing seat 12 to torsional spring 19 sets up in the centre of 2 axostylus axostyles 18, conveniently holds the effect that reaches the convenience and take the placing effect to the test tube under the effect of power release at torsional spring 19, and need not pass through complicated process.
The working principle of the embodiment is as follows: when using this convenience to carry out fixed blood detection with centrifuge to test tube, at first, need place whole device in suitable position under base 1's effect, afterwards, just can be fine use whole centrifuge, in-process using, as shown in fig. 1-7, before placing the test tube, need go up and down to certain height with the inside three-layer connecting rod 13 of whole organism 2, and then just can place the test tube, in-process placing, at first need starter motor 5, make motor 5 drive inside lead screw 6 carry out clockwise rotation work, in the in-process of lead screw 6 clockwise rotation, because the outside pawl 601 of lead screw 6 does not carry out spacing work to ratchet 801 on the go-between 8, and then lead screw 6 is rotatory, rather than outside sleeve 7 threaded connection of outside, then make connecting rod 13 connected with outside sleeve 7 go up the outer of work connecting rod 13 under the effect of outside sleeve 7 The side is limited under the action of the limiting rod 9, and then in the process that the outer sleeve 7 is in threaded connection with the screw rod 6, the outer sleeve 7 can well move up and down, and after the three layers of connecting rods 13 in the whole machine body 2 are completely exposed out of the machine body 2, test tubes with blood sampled can be well placed in the placing seat 12 above the connecting rods 13;
in the process of placing the test tubes, as shown in fig. 3, 5 and 8-9, firstly, a worker is required to press the pressing rod 16, in the process of pressing the pressing rod 16 downwards, the tooth blocks above the pressing rod are meshed with the gear tooth-shaped structures on the shaft lever 18, in the meshing process, the shaft lever 18 is rotated, and then the moving block 21 in threaded connection with the shaft lever 18 is moved back and forth, in the process of moving back and forth, the pressing plate 20 is moved reversely, in the moving process, the gap between the pressing plates 20 is large, the worker can place the test tubes well, after the test tubes are placed, the worker loosens the pressing rod 16, and then the torsion spring 19 drives the pressing rod 16 to reset, so that the shaft lever 18 rotates anticlockwise, and the distance between the moving blocks 21 is reduced, the fixing work of the test tube is well finished, and then the centrifugal work can be carried out;
in the process of performing centrifugation, as shown in fig. 2-4 and 6-7, before performing centrifugation, firstly, the motor 5 is started to enable the motor 5 to perform counterclockwise rotation, before performing counterclockwise rotation, since the whole external sleeve 7 and the connection ring 8 are located above the screw rod 6, and the ratchets 801 outside the connection ring 8 do not have a clamping relationship with the pawls 601 at the bottom of the screw rod 6 at this time, the external sleeve 7 is in threaded connection with the screw rod 6, so that the external sleeve 7 drives the external connection rod 13 to perform descending operation at this time, when the whole external sleeve 7 descends to drive the connection ring 8 at the bottom thereof to descend to the lowest point, the connection ring 8 can be clamped with the top end of the limit seat 22, and in the process of clamping, the ratchets inside 801 of the connection ring 8 and the pawls 601 on the screw rod 6 are mutually matched, and then at this moment, lead screw 6 is rotatory, under the spacing work of ratchet 801 and pawl 601, make go-between 8 rotatory, go-between 8 is rotatory, just can make the outside sleeve 7 of its top rotatory, reach and place the inside test tube of seat 12 on connecting rod 13 and rotate under the rotary action of outside sleeve 7, and then just fine centrifugal effect of having reached under the effect of high-speed rotation, after centrifugal work accomplished, repeated above-mentioned work of placing the test tube, the work of just can be fine taking to the inside test tube, thereby accomplish a series of works.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.