CN221016639U - Desk-top low-speed centrifuge - Google Patents

Abstract

The utility model discloses a table type low-speed centrifugal machine, which relates to the field of centrifugal machines and comprises a shell, wherein a containing cavity for implementing centrifugal operation is formed in the upper surface of the shell, a rotor seat is arranged on the inner bottom wall of the containing cavity, a linkage seat capable of synchronously rotating with the rotor seat is detachably connected to the rotor seat, and the side surfaces of the linkage seat outwards extend to form a plurality of groups of limiting frames. The inner sides of the limiting frames are provided with swinging frames, collecting seats are arranged on the inner sides of the swinging frames, transverse grooves are formed in the collecting seats, and limiting pushing blocks are clamped on the inner sides of the transverse grooves. The utility model drives the swing arm and the limit pushing block fixed with the swing arm to continuously and reciprocally move in the centrifugal process, and can ensure that the collecting seat is positioned at the inner side of the swing frame to continuously and reciprocally slide. The vibration effect is enhanced, the actual mixing speed in the test tube carried in the collection seat is accelerated, the precipitation phenomenon of the reagent is rapidly reduced, and the efficiency of centrifugal work is improved.

Description

Desk-top low-speed centrifuge

Technical Field

The utility model relates to the field of centrifuges, in particular to a table type low-speed centrifuge.

Background

The low-speed centrifuge can be widely applied to the fields of clinical medicine, biochemistry, immunology, blood stations and the like, and is a conventional instrument for centrifugal precipitation in a laboratory.

The existing desk-top low-speed centrifuge, in the in-process of implementing centrifugal operation to the test tube, but be the reciprocating swing of ring arrangement's test-tube rack to reach the purpose that increases reagent mixing speed, if liquid reagent raw materials need mix with solid chemical raw materials, at low-speed centrifugal in-process, the frequency of the reciprocal swing in-process of test-tube rack is lower, and the raw materials mixing speed of different properties is slower, leads to mixing inhomogeneous phenomenon to appear easily, influences centrifugal mixing work efficiency.

Disclosure of utility model

In view of the above, the present application provides a tabletop low-speed centrifuge.

In order to achieve the above purpose, the present application provides the following technical solutions: the utility model provides a desk-top low-speed centrifuge, includes the casing, the holding chamber of implementation centrifugal operation has been seted up to the upper surface of casing, the rotor seat is installed to the interior bottom wall in holding chamber, the dismantlement is connected with the linkage seat that can rather than synchronous rotation on the rotor seat, the side surface of linkage seat outwards extends and forms multiunit spacing.

The inner sides of the limiting frames are provided with swinging frames, collecting seats are arranged on the inner sides of the swinging frames, transverse grooves are formed in the collecting seats, limiting pushing blocks are clamped on the inner sides of the transverse grooves, swinging arms are fixedly connected to the surfaces of the limiting pushing blocks, and mounting openings for accommodating reciprocating sliding of the swinging arms are formed in the surfaces of the swinging frames.

The end part of the swing arm, which is positioned outside the installation opening, outwards extends to form a pair of lantern ring parts, a pair of embedded rods are connected with the outer surface of the swing frame in a threaded manner, a reset spring is fixedly connected with the surface of the embedded rods, an inner connecting rod is fixedly connected with the end part of the reset spring, the inner connecting rods penetrate through the lantern ring parts, and the outer sides of the lantern ring parts are connected with the inner connecting rods through limiting pins.

Further, a docking station is arranged at the center of the top of the rotor seat, the linkage seat is clamped on the surface of the docking station, and the docking station and the linkage seat are located in the inner cavity of the accommodating cavity to move circularly along with the rotation of the rotor seat.

Further, the detachable limiting ring is connected to the butt joint table through threads, and the limiting ring abuts against the surface of the linkage seat.

Further, a plurality of alignment holes capable of accommodating test tube placement are formed in the surface of the collection seat.

Further, both sides of the swing frame are connected with positioning shafts through bearings, a containing groove for containing the positioning shafts is formed in the inner side of the limiting frame, and when the limiting frame moves circularly, the swing frame swings in the inner side of the limiting frame.

Further, the surface of the accommodating groove, which is positioned on the limiting frame, is distributed in an inclined structure, and in a natural state, the positioning shaft is positioned at the lowest part of the inner cavity of the accommodating groove.

In summary, the utility model has the technical effects and advantages that:

According to the utility model, the limiting push block and the swing arm fixed with the limiting push block synchronously slide along with the sliding of the collecting seat in the limiting frame, so that the inner connecting rod connected with the lantern ring part through the limiting pin is further driven to continuously stretch and reset the reset spring, the swing arm and the limiting push block fixed with the swing arm can be driven to continuously and reciprocally move in the centrifugal process, and the continuous and reciprocally sliding movement of the collecting seat in the swing frame can be ensured. The vibration effect is enhanced, the actual mixing speed in the test tube carried in the collection seat is accelerated, the precipitation phenomenon of the reagent is rapidly reduced, and the efficiency of centrifugal work is improved.

Drawings

In order to more clearly illustrate the embodiments of the application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic perspective view of the present utility model.

Fig. 2 is a schematic diagram of a connection structure of a rotor seat and a linkage seat, and a limiting frame according to the present utility model.

Fig. 3 is a schematic diagram of a connection structure of a limiting frame, a swinging frame and an integrated seat of the present utility model.

Fig. 4 is an enlarged schematic view of the portion a in fig. 3 according to the present utility model.

In the figure: 1. a housing; 101. a receiving chamber; 102. a rotor seat; 103. a docking station; 104. a limiting ring; 2. a linkage seat; 3. a limiting frame; 31. the accommodating groove; 4. a swinging frame; 41. positioning a shaft; 42. installing a notch; 5. a collection seat; 6. an alignment hole; 7. limiting push blocks; 8. a swing arm; 81. a collar portion; 9. an embedded rod; 10. a return spring; 11. an inner connecting rod; 12. and a limiting pin.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples: referring to fig. 1, 2 and 3, a table type low-speed centrifuge includes a housing 1, a receiving cavity 101 for performing centrifugal operation is formed on an upper surface of the housing 1, a rotor seat 102 is mounted on an inner bottom wall of the receiving cavity 101, a linkage seat 2 capable of rotating synchronously with the rotor seat 102 is detachably connected to the rotor seat 102, and side surfaces of the linkage seat 2 extend outwards to form a plurality of groups of limiting frames 3.

The inboard of multiunit spacing 3 all is provided with swing frame 4, and collection seat 5 has been placed to swing frame 4 inboard, and collection seat 5 can accomodate the test tube, and there is certain space in collection seat 5 and swing frame 4's inner wall. The collection seat 5 is provided with a transverse groove, the inner side of the transverse groove is clamped with a limiting push block 7, the surface of the limiting push block 7 is fixedly connected with a swinging arm 8, and the surface of the swinging frame 4 is provided with a mounting notch 42 for accommodating reciprocating sliding of the swinging arm 8. In the process of reciprocating swing movement of the swing frame 4, the limiting push block 7 clamped in the transverse groove can push the collection seat 5 to move on the inner side of the swing frame 4.

The end of the swing arm 8, which is positioned outside the mounting notch 42, extends outwards to form a pair of collar parts 81, a pair of embedded rods 9 are connected with the outer surface of the swing frame 4 in a threaded mode, the surface of each embedded rod 9 is fixedly connected with a reset spring 10, the end of each reset spring 10 is fixedly connected with an inner connecting rod 11, the inner connecting rods 11 penetrate through the collar parts 81, and the outer sides of the collar parts 81 are connected with the inner connecting rods 11 through limiting pins 12.

Since the swinging frame 4 can swing continuously in the process of circular motion, the collecting seat 5 can slide back and forth inside the swinging frame 4. In the sliding process, the limiting push block 7 and the swing arm 8 fixed with the limiting push block reciprocate, the internal connecting rod 11 connected with the lantern ring part 81 through the limiting pin 12 continuously stretches the reset spring 10 to stretch and reset, and then the swing arm 8 and the limiting push block 7 fixed with the swing arm can be driven to reciprocate, and in the process, the collection seat 5 can be ensured to be positioned in the swing frame 4 and can continuously and reciprocally slide. The speed of actual mixing in the test tube carried in the collection seat 5 is accelerated, the precipitation phenomenon of the reagent is rapidly reduced, and the efficiency of centrifugal work is improved.

The butt joint platform 103 is installed at the top center of the rotor seat 102, the joint of the linkage seat 2 is arranged on the surface of the butt joint platform 103, and along with the rotation of the rotor seat 102, the butt joint platform 103 and the linkage seat 2 are located in the inner cavity of the accommodating cavity 101 to perform circular motion so as to achieve the purpose of driving the limiting frame 3 and the swinging frame 4 to perform circular motion in the accommodating cavity 101, and further driving the collecting seat 5 and the test tube arranged on the inner side of the collecting seat to rotate, and centrifugally mixing reagents in the collecting seat.

As shown in fig. 2, the docking station 103 is connected with a detachable limiting ring 104 in a threaded manner, the limiting ring 104 abuts against the surface of the linkage seat 2, the limiting ring 104 has a limiting effect on the linkage seat 2, the linkage seat 2 is prevented from being separated from the docking station 103 in the circumferential movement process, and the stability of the linkage seat 2 and the limiting frame 3 in the circumferential rotation process is maintained.

As shown in fig. 3, the surface of the collecting seat 5 is provided with a plurality of alignment holes 6 capable of accommodating test tubes, the alignment holes 6 can be inserted with test tubes, and the test tubes can swing synchronously along with the swing of the collecting seat 5 and the swing frame 4.

As shown in fig. 4, both sides of the swinging frame 4 are connected with positioning shafts 41 through bearings, the inner side of the limiting frame 3 is provided with a containing groove 31 for containing the positioning shafts 41, and when the limiting frame 3 moves circularly, the swinging frame 4 swings at the inner side of the limiting frame 3. So as to achieve the purpose of smoothly oscillating the test tube inserted on the surface of the collection seat 5 and accelerate the centrifugal mixing speed of the reagent in the test tube.

As shown in fig. 4, the surface of the accommodating groove 31 located on the limiting frame 3 is distributed in an inclined structure, and in a natural state, the positioning shaft 41 is located at the lowest part of the inner cavity of the accommodating groove 31, so that the positioning shaft 41 can be effectively prevented from sliding away from the accommodating groove 31 in the process of moving along with the circular motion of the limiting frame 3, and the positioning shaft 41 and the swinging frame 4 are limited.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims (6)

1. The utility model provides a desk-top low-speed centrifuge, includes casing (1), holding chamber (101) of implementing centrifugal operation are seted up to the upper surface of casing (1), rotor seat (102) are installed to the interior bottom wall of holding chamber (101), its characterized in that: the rotor seat (102) is detachably connected with a linkage seat (2) capable of rotating synchronously with the rotor seat, and the side surfaces of the linkage seat (2) outwards extend to form a plurality of groups of limiting frames (3);

The inner sides of the limiting frames (3) are provided with swinging frames (4), collecting seats (5) are arranged on the inner sides of the swinging frames (4), transverse grooves are formed in the collecting seats (5), limiting push blocks (7) are clamped on the inner sides of the transverse grooves, swinging arms (8) are fixedly connected to the surfaces of the limiting push blocks (7), and mounting openings (42) for accommodating reciprocating sliding of the swinging arms (8) are formed in the surfaces of the swinging frames (4);

The end portion of the swinging arm (8) located outside the installation notch (42) outwards extends to form a pair of lantern ring portions (81) the outer surface threaded connection of the swinging frame (4) is provided with a pair of embedded rods (9), the surface of the embedded rods (9) is fixedly connected with a reset spring (10), the end portion of the reset spring (10) is fixedly connected with an inner connecting rod (11), the inner connecting rod (11) penetrates through the lantern ring portions (81), and the outer side of the lantern ring portions (81) is connected with the inner connecting rod (11) through a limiting pin (12).

2. The tabletop low-speed centrifuge of claim 1, wherein: the rotor seat (102) is characterized in that a butt joint table (103) is arranged at the center of the top of the rotor seat (102), the linkage seat (2) is clamped on the surface of the butt joint table (103), and the butt joint table (103) and the linkage seat (2) are located in the inner cavity of the accommodating cavity (101) to perform circular motion along with the rotation of the rotor seat (102).

3. The tabletop low-speed centrifuge of claim 2, wherein: the detachable limiting ring (104) is connected to the butt joint table (103) in a threaded mode, and the limiting ring (104) abuts against the surface of the linkage seat (2).

4. The tabletop low-speed centrifuge of claim 1, wherein: the surface of the collection seat (5) is provided with a plurality of alignment holes (6) which can accommodate test tube placement.

5. The tabletop low-speed centrifuge of claim 1, wherein: both sides of the swinging frame (4) are connected with positioning shafts (41) through bearings, the inner side of the limiting frame (3) is provided with a containing groove (31) for containing the positioning shafts (41) to be placed in, and when the limiting frame (3) moves circularly, the swinging frame (4) is located in the inner side of the limiting frame (3) to swing.

6. The tabletop low-speed centrifuge of claim 5, wherein: the surface of the accommodating groove (31) positioned on the limiting frame (3) is distributed in an inclined structure, and in a natural state, the positioning shaft (41) is positioned at the lowest part of the inner cavity of the accommodating groove (31).