CN220461009U - Product loading mechanism for high-speed freezing centrifugal machine - Google Patents

Abstract

The utility model provides a product loading mechanism for a high-speed freezing centrifugal machine, which comprises a loading disc and a plurality of groups of fixed sleeves, wherein a connecting shaft is correspondingly arranged in the middle of the bottom end of the loading disc and can be used for connecting with a motor output shaft of the centrifugal machine; the top of loading tray evenly is equipped with a plurality of standing grooves along its circumferencial direction, demountable installation has fixed cover in the standing groove, fixed cover inboard evenly is equipped with a plurality of rubber card strip along its circumferencial direction, and a plurality of rubber card strip inboard is around being formed with the space of placing, and the space size of placing in the fixed cover of every group is different, and the space size of placing in the fixed cover in the same group is the same, and the centrifuging tube can correspond to place in the space of placing to it is spacing fixed through the rubber card strip. The centrifugal tube rack is suitable for placing centrifugal tubes with different calibers, a plurality of high-speed refrigerated centrifuges are not required to be arranged, the cost is reduced, the centrifugal tubes are not easy to shake and damage when placed, the stability of the centrifugal tubes in use is well ensured, and the centrifugal tube rack is convenient to use as a whole and high in practicability.

Description

Product loading mechanism for high-speed freezing centrifugal machine

Technical Field

The utility model belongs to the technical field of product loading structures, and particularly relates to a product loading mechanism for a high-speed freezing centrifugal machine.

Background

The high-speed refrigerated centrifuge is a high-speed centrifuge with the rotating speed of 3500-50000 r/min and the refrigerating function. The centrifugal tube uses the strong centrifugal force generated by the high-speed rotating head to make the suspended liquid or substances with different sedimentation coefficients in the emulsion in the centrifugal tube sediment, so that the substances are separated, concentrated and purified. The device has a refrigerating system, so that the temperature of the centrifugal chamber can be accurately controlled, not only can the extraction of biological reagents with strict requirements on low-temperature control be met, but also the centrifugal efficiency can be improved, and the device is widely applied to the research field of life science and is an indispensable important tool in various industries such as molecular biology, molecular chemistry and the like.

The existing high-speed refrigerated centrifuge is inconvenient in use, and centrifugal tube products with different aperture sizes are required to be centrifuged in actual operation, so that different high-speed refrigerated centrifuges are required to be equipped for centrifugation, and the input cost is greatly increased; in addition, the centrifuge tube is easy to slightly shake after being placed, the centrifuge tube cannot be well fixed, certain damage is caused to the centrifuge tube on one hand, and the stability of the centrifuge tube during working cannot be guaranteed on the other hand, so that the centrifuge tube is very inconvenient to use.

Related patents have been found, which are related to product loading in high-speed refrigerated centrifuges. For example, the application of chinese patent application No. CN201721429642.9 discloses a product loading mechanism for a high-speed refrigerated centrifuge, which comprises a connecting shaft connected with an output shaft of a motor, four clamping grooves are uniformly distributed on an outer edge surface of the connecting shaft in an annular manner, and the top of each clamping groove is communicated with the top surface of the connecting shaft; each clamping groove is respectively inserted with a product mounting block, and the product mounting blocks are perpendicular to the outer edge surface of the connecting shaft; every the top of product installation piece is equipped with two products respectively and places the hole, two the product is placed the hole from interior to exterior equipartition in on the top surface of product installation piece, and every the product is placed the hole and is inserted a column type balancing weight, every be equipped with the elastic gasket on the outer fringe face of column type balancing weight, the column type balancing weight warp the elastic gasket with the hole tight fit is placed to the product. This application is although can load not unidimensional centrifuging tube, but it is realized that the joint has four product installation pieces on the even axle lateral wall, and the connection reliability between even axle and the product installation piece is relatively poor, because high-speed refrigerated centrifuge is highly operated equipment, the stability when unable assurance its in-service use, its overall design remains to be further improved.

Disclosure of Invention

1. Object of the utility model

Aiming at the technical problems, the utility model provides the product loading mechanism for the high-speed freezing centrifugal machine, which is applicable to placing centrifugal tubes with different calibers, a plurality of high-speed freezing centrifugal machines are not required to be arranged, the cost is effectively reduced, the centrifugal tubes are not easy to shake and damage when placed, the stability of the centrifugal tubes during use is well ensured, and the product loading mechanism is simple in integral structure, convenient to use and high in practicability.

2. Technical proposal

In order to achieve the above purpose, the technical scheme provided by the utility model is as follows: the product loading mechanism for the high-speed freezing centrifugal machine comprises a loading disc and a plurality of groups of fixed sleeves, wherein a connecting shaft is correspondingly arranged in the middle of the bottom end of the loading disc and can be used for connecting with a motor output shaft of the centrifugal machine; the top of loading tray evenly is equipped with a plurality of standing grooves along its circumferencial direction, demountable installation has fixed cover in the standing groove, fixed cover inboard evenly is equipped with a plurality of rubber card strip along its circumferencial direction, and a plurality of rubber card strip inboard is around being formed with the space of placing, and the space size of placing in the fixed cover of every group is different, and the space size of placing in the fixed cover in the same group is the same, and the centrifuging tube can correspond to place in the space of placing to it is spacing fixed through the rubber card strip.

The further improvement is that: the limiting clamping grooves are correspondingly formed in the periphery of the placing groove, first limiting clamping strips are correspondingly arranged in the periphery of the fixing sleeve, and the first limiting clamping strips in the periphery of the fixing sleeve can be correspondingly clamped into the limiting clamping grooves in the periphery of the placing groove.

The further improvement is that: the upper end and the lower end of the inner side of the rubber clamping strip are respectively provided with an arc edge correspondingly.

The further improvement is that: spherical grips are correspondingly arranged on two sides of the top of the fixed sleeve.

The further improvement is that: the novel combined type balance weight column further comprises a plurality of groups of balance weight columns, the balance weight columns are detachably arranged in the placing grooves, central holes are correspondingly formed in the middle parts of the balance weight columns, the sizes of the central holes in each group of balance weight columns are different, the sizes of the central holes in the same group of balance weight columns are the same, and each group of balance weight columns can be matched with a corresponding group of fixing sleeves respectively.

The further improvement is that: the periphery of the placing groove is correspondingly provided with a limiting clamping groove, the periphery of the counterweight column is correspondingly provided with a second limiting clamping strip, and the second limiting clamping strip around the counterweight column can be correspondingly clamped into the limiting clamping groove around the placing groove.

3. Advantageous effects

Compared with the prior art, the technical scheme provided by the utility model has the following beneficial effects:

according to the utility model, the top of the loading disc is provided with the plurality of annular distribution placing grooves, and the plurality of groups of fixing sleeves are arranged in a matching way, so that the fixing sleeves are clamped and installed in the placing grooves, and the centrifugal tube is limited and fixed by the annular distribution rubber clamping strips in the fixing sleeves, so that the centrifugal tube is very convenient to use, the centrifugal tube can be effectively protected, the damage caused by collision between the centrifugal tube and the inner wall of the placing grooves is avoided, and the stability of the centrifugal tube in use is better ensured; and the setting of multiunit fixed cover can be spacing fixed centrifuge tube of different bore respectively, and it is more convenient that it uses, need not to be equipped with a plurality of high-speed refrigerated centrifuge, effectively reduced cost, its overall structure is simple, and the installation of fixed cover is dismantled conveniently, and the practicality is strong.

In addition, the utility model is also provided with a plurality of groups of weight columns in a matching way, so that when in use, different fixing sleeves and weight columns can be selected according to different centrifuge tubes, the counterweight columns are correspondingly placed in the placing grooves without centrifuge tubes, so that the stability of the counterweight columns during centrifugal operation is better ensured, and the service life of equipment is ensured.

Drawings

FIG. 1 is a schematic view of the overall structure of the product loading mechanism of the present utility model;

FIG. 2 is a schematic top view of the loading plate of the present utility model;

FIG. 3 is a schematic view showing the external structure of the fixing sleeve of the present utility model;

FIG. 4 is an enlarged schematic cross-sectional view of the mounting of the retaining sleeve of the present utility model to a loading plate;

FIG. 5 is a schematic view showing the external structure of the weight column of the present utility model;

fig. 6 is a schematic top view of a plurality of sets of fixing sleeves and a weight column according to the present utility model.

Reference numerals

1. Loading a disc; 101. a connecting shaft; 102. a placement groove; 1021. a limit clamping groove; 2. a fixed sleeve; 201. the first limiting clamping strip; 202. a ball grip; 203. a rubber clamping strip; 2031. arc edges; 204. placing space; 3. a weight column; 301. a central bore; 302. and the second limiting clamping strip.

Detailed Description

In order that the utility model may be readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings, in which, however, the utility model may be embodied in many different forms and are not limited to the embodiments described herein, but are instead provided for the purpose of providing a more thorough and complete disclosure of the utility model.

It will be understood that when an element is referred to as being "mounted" on another element, it can be directly on the other element or intervening elements may also be present; when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present; the terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs; the terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model; the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Examples

Referring to fig. 1-6, a product loading mechanism for a high-speed freezing centrifuge according to this embodiment includes a loading tray 1 and a plurality of groups of fixing sleeves 2, wherein a connecting shaft 101 is correspondingly arranged in the middle of the bottom end of the loading tray 1, and can be used for connecting with a motor output shaft of the centrifuge. The loading disc 1 and the connecting shaft 101 may have an integrated structure, and the connection reliability is good. The top of loading tray 1 evenly is equipped with a plurality of standing grooves 102 along its circumferencial direction, demountable installation has fixed cover 2 in the standing groove 102, fixed cover 2 inboard evenly is equipped with a plurality of rubber card strips 203 along its circumferencial direction, and a plurality of rubber card strips 203 inboard is around being formed with and is placed space 204, and the space 204 size is different in every fixed cover 2 of group, and the space 204 size is the same in the fixed cover 2 in the same group, and the centrifuging tube can be placed in placing space 204 correspondingly, and its rubber card strip 203 all around can tightly support at the centrifuging tube lateral wall to it is spacing fixed with the centrifuging tube through rubber card strip 203.

Specifically, the periphery of the placement groove 102 is correspondingly provided with a limiting clamping groove 1021, the periphery of the fixing sleeve 2 is correspondingly provided with a first limiting clamping strip 201, and the first limiting clamping strip 201 around the fixing sleeve 2 can be correspondingly and tightly clamped into the limiting clamping groove 1021 around the placement groove 102, so that limiting fixation is realized, and random rotation of the fixing sleeve 2 in the placement groove 102 is avoided. The fixed sleeves 2 are sleeve structures with two penetrating sides, and the number of the fixed sleeves 2 in each group is matched with the number of the placing grooves 102. The fixing sleeves 2 of the same group are identical, namely, the size of the placing space 204 formed by surrounding the rubber clamping strips 203 in the fixing sleeves 2 of the same group is also identical, so that the same group of fixing sleeves 2 can be used for fixing centrifuge tubes with the same caliber. The thickness of the side wall of each group of the fixing sleeves 2 can be different, namely, the size of the placing space 204 formed by surrounding the rubber clamping strips 203 in each group of the fixing sleeves 2 is also different, and the size of the placing space 204 in the different groups of the fixing sleeves 2 is also different, so that the different groups of the fixing sleeves 2 can be used for fixing centrifuge tubes with different calibers.

According to the embodiment, the plurality of annular distribution placing grooves 102 are formed in the top of the loading disc 1, meanwhile, the plurality of groups of fixing sleeves 2 are arranged in a matched mode, the fixing sleeves 2 are clamped and installed in the placing grooves 102, the centrifugal tubes are limited and fixed by the aid of the annular distribution rubber clamping strips 203 in the fixing sleeves 2, the centrifugal tubes are very convenient to use, the centrifugal tubes can be effectively protected, damage caused by collision between the centrifugal tubes and the inner walls of the placing grooves 102 is avoided, and stability in use is well guaranteed; and the setting of multiunit fixed cover 2 can be spacing fixed centrifuge tube of different bore respectively, and it is more convenient that its use need not to be equipped with a plurality of high-speed refrigerated centrifuge, effectively reduced cost, its overall structure is simple, and the installation of fixed cover 2 is dismantled conveniently, and the practicality is strong. The upper and lower ends of the inner side of the rubber clamping strip 203 are respectively provided with an arc edge 2031, so that a worker can conveniently insert the centrifuge tube. Spherical grips 202 are correspondingly arranged on two sides of the top of the fixed sleeve 2, so that a worker can conveniently withdraw the fixed sleeve 2.

The product loading mechanism also comprises a plurality of groups of weight columns 3, the number of the weight columns 3 in each group can also be matched with the number of the placing grooves 102, and the weight columns 3 are detachably arranged in the placing grooves 102; namely, the second limiting clamping strips 302 are correspondingly arranged around the counterweight column 3, and because the limiting clamping grooves 1021 are correspondingly arranged around the placing groove 102, the second limiting clamping strips 302 around the counterweight column 3 can be correspondingly and tightly clamped into the limiting clamping grooves 1021 around the placing groove 102, thereby realizing limiting fixation and avoiding random rotation of the counterweight column 3 in the placing groove 102. Spherical grips can be correspondingly arranged on two sides of the top of the counterweight column 3, so that a worker can conveniently withdraw the counterweight column 3. The middle part of the counterweight column 3 is correspondingly provided with a central hole 301, and the sizes of the central holes 301 in the counterweight columns 3 in the same group are the same, namely the weights of the counterweight columns 3 in the same group are the same in mass; the size of the central hole 301 in each set of weight columns 3 is different, i.e. the mass of each set of weight columns 3 is different, or the mass of different sets of weight columns 3 is different. The number of the groups of the weight columns 3 is the same as that of the fixed sleeves 2, and the number of the groups of the fixed sleeves 2 can be correspondingly set, and each group of the weight columns 3 can be matched with the corresponding group of the fixed sleeves 2. If the placing space 204 in the fixed sleeve 2 is smaller, the weight column 3 with smaller mass can be matched for use when the centrifuge tube with smaller caliber is fixed; if the space 204 in the fixed sleeve 2 is larger, when the centrifuge tube with larger caliber is fixed, the counterweight column 3 with larger mass can be matched, and the mass of the counterweight column 3 can be approximately matched with the sum of the mass of the centrifuge tube with the substance to be centrifuged and the mass of the centrifuge tube with the substance to be centrifuged added to the fixed sleeve 2.

During the use, according to the bore size of centrifuging tube, select a set of fixed cover 2 and counter weight post 3 that corresponds, select fixed cover 2 of same quantity and correspond to insert in the standing groove 102 at loading tray 1 top according to the quantity of centrifuging tube, if centrifuging tube quantity is less enough not to fill up all standing grooves 102 on loading tray 1, can make its symmetric distribution in loading tray 1 top both sides when inserting fixed cover 2, at this moment will hold the centrifuging tube that waits to centrifuge the material and seal and insert in the fixed cover 2 at loading tray 1 top, utilize fixed cover 2 to spacing fixed centrifuging tube, avoid its rocking, and other not insert fixed cover 2 and counter weight post 3 that can insert in the standing groove 102 of centrifuging tube, place counter weight post 3 in the standing groove 102 that does not put the centrifuging tube correspondingly, thereby guarantee the stability when its centrifugation is operated better, guarantee the life of equipment.

It should be noted that, since the design points and the improvement directions of the present utility model are not related to the structures not described in the present utility model, the structures are the same as or can be realized by adopting the prior art, and the above-mentioned contents belong to the technical knowledge of the inventor, and the technical contents in the field are huge and numerous, so the detailed description is not provided.

The foregoing examples merely illustrate certain embodiments of the utility model and are described in more detail and are not to be construed as limiting the scope of the utility model; it should be noted that it is possible for a person skilled in the art to make several variants and modifications without departing from the concept of the utility model, all of which fall within the scope of protection of the utility model; accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims (6)

1. A high-speed refrigerated centrifuge is with product loading mechanism which characterized in that: the centrifugal machine comprises a loading disc (1) and a plurality of groups of fixed sleeves (2), wherein a connecting shaft (101) is correspondingly arranged in the middle of the bottom end of the loading disc (1) and can be used for connecting with a motor output shaft of the centrifugal machine; the top of loading tray (1) is evenly equipped with a plurality of standing grooves (102) along its circumferencial direction, demountable installation has fixed cover (2) in standing groove (102), fixed cover (2) inboard is evenly equipped with a plurality of rubber card strip (203) along its circumferencial direction, and a plurality of rubber card strip (203) inboard is around being formed with space (204) of placing, and space (204) size is different in every fixed cover (2) of group, and space (204) size is the same in fixed cover (2) in same group, and the centrifuging tube can correspond and place in space (204) to it is spacing fixed through rubber card strip (203).

2. A product loading mechanism for a high-speed refrigerated centrifuge as recited in claim 1 wherein: the novel positioning device is characterized in that limiting clamping grooves (1021) are correspondingly formed in the periphery of the positioning groove (102), first limiting clamping strips (201) are correspondingly arranged in the periphery of the fixing sleeve (2), and the first limiting clamping strips (201) in the periphery of the fixing sleeve (2) can be correspondingly clamped into the limiting clamping grooves (1021) in the periphery of the positioning groove (102).

3. A product loading mechanism for a high-speed refrigerated centrifuge as recited in claim 1 wherein: the upper end and the lower end of the inner side of the rubber clamping strip (203) are respectively provided with an arc edge (2031) correspondingly.

4. A product loading mechanism for a high-speed refrigerated centrifuge as recited in claim 1 wherein: two sides of the top of the fixed sleeve (2) are correspondingly provided with spherical grips (202).

5. A product loading mechanism for a high-speed refrigerated centrifuge as recited in claim 1 wherein: the novel combined type balance weight column further comprises a plurality of groups of balance weight columns (3), wherein the balance weight columns (3) are detachably arranged in the placement groove (102), central holes (301) are correspondingly formed in the middle of the balance weight columns (3), the sizes of the central holes (301) in each group of balance weight columns (3) are different, the sizes of the central holes (301) in the same group of balance weight columns (3) are the same, and each group of balance weight columns (3) can be matched with a corresponding group of fixed sleeves (2) for use.

6. A product loading mechanism for a high-speed refrigerated centrifuge as recited in claim 5 wherein: the periphery of the placing groove (102) is correspondingly provided with a limiting clamping groove (1021), the periphery of the counterweight column (3) is correspondingly provided with a second limiting clamping strip (302), and the second limiting clamping strip (302) around the counterweight column (3) can be correspondingly clamped into the limiting clamping groove (1021) around the placing groove (102).