CN212701754U - Stirring cover mount and contain its nucleic acid extraction appearance - Google Patents

Abstract

The utility model discloses a stirring cover mount and contain its nucleic acid extraction appearance, stirring cover mount for fixed stirring cover, it includes: the frame body is provided with a mounting position for mounting the stirring sleeve; the fixing mechanism is arranged on the frame body and is used for fixing the stirring sleeve on the mounting position; at least two fixing mechanisms are arranged on the frame body corresponding to the mounting positions, so that at least two stirring sleeves can be fixed on the mounting positions. The stirring sleeve fixing frame with the structure can adapt to different stirring sleeves, is flexible to use, and has good interchangeability and universality. The utility model also discloses a nucleic acid extraction appearance that contains above-mentioned stirring cover mount.

Description

Stirring cover mount and contain its nucleic acid extraction appearance

Technical Field

The utility model relates to an experiment detecting instrument or medical treatment detection and diagnosis instrument's accessory, in particular to stirring cover mount and contain its nucleic acid extraction appearance.

Background

In the magnetic bead method for extracting nucleic acid, a stirring sleeve is usually used to contain a magnetic rod to stir a sample, so that the subsequent separation is facilitated, and the cross contamination between the sample and the magnetic rod is avoided. The stirring sleeve is usually fixed by a stirring sleeve fixing frame in the prior art so as to conveniently drive the stirring sleeve to act. The existing stirring sleeve fixing frame and the stirring sleeve are specially matched, so that the use flexibility is poor, and the universality and the interchangeability are insufficient.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a stirring cover mount, but the different stirring cover of adaptation, the commonality is good.

The utility model discloses still provide a nucleic acid extraction appearance of having above-mentioned stirring cover mount.

According to the utility model discloses an agitator sleeve mount of first aspect embodiment for fixed agitator sleeve, it includes: the frame body is provided with a mounting position for mounting the stirring sleeve; the fixing mechanism is arranged on the frame body and is used for fixing the stirring sleeve on the mounting position; at least two fixing mechanisms are arranged on the frame body corresponding to the mounting positions, so that at least two stirring sleeves can be fixed on the mounting positions.

According to the utility model discloses stirring cover mount has following beneficial effect at least: more than two fixing mechanisms are arranged on the installation position in a matched mode, so that more than two stirring sleeves can be selectively fixed on the installation position. The stirring sleeve fixing frame with the structure can adapt to different stirring sleeves, is flexible to use, and has good interchangeability and universality.

According to some embodiments of the invention, the mounting location comprises a plug-in groove for plug-in mounting the stirring sleeve.

According to some embodiments of the utility model, one fixing mechanism is clamping mechanism, clamping mechanism set up in the support body is used for pressing from both sides tightly the agitator sleeve, in order to incite somebody to action the agitator sleeve is fixed in the installation position.

According to some embodiments of the utility model, clamping mechanism including set up in elastic pressing block in the inserting groove, elastic pressing block with form between the groove face of inserting groove and be used for the centre gripping the clamping mouth of stirring cover.

According to the utility model discloses a some embodiments, the inserting groove extends and the front end is provided with the interface along the fore-and-aft direction, the plate body of stirring cover can pass through the interface inserts along self length direction the inserting groove, elastic press block set up in the rear end of inserting groove, elastic press block's orientation one side of interface is provided with the direction inclined plane, so that the stirring cover can pass through the direction inclined plane struts elastic press block inserts the chucking mouth.

According to some embodiments of the utility model, the support body includes main part and connecting piece, the inserting groove set up in the main part, the briquetting set up in the connecting piece, connecting piece fixed connection in the main part.

According to the utility model discloses a some embodiments, the connecting piece includes the bottom plate, the briquetting is lath structure and with a bottom plate body sets up, briquetting's one end connect in the bottom plate, and the other end is the free end and bends and form top splenium.

According to some embodiments of the present invention, the fixing mechanism is a clamping structure for engaging with an elastic buckle of a predetermined setting on the stirring sleeve.

According to the utility model discloses a some embodiments, the inserting groove extends and the front end is provided with the interface along the fore-and-aft direction, the plate body of agitator sleeve can pass through the interface inserts along self length direction the inserting groove, the front end of support body is provided with spacing terminal surface, spacing terminal surface be used for with agitator sleeve cooperation and restriction the agitator sleeve inserts the degree of depth of inserting groove, it is different to correspond on the support body fixing mechanism is provided with different spacing position spacing terminal surface, so that different the agitator sleeve is fixed in during the installation position, the cover body of agitator sleeve is relative the rigidity of support body.

According to the utility model discloses a nucleic acid extraction appearance of second aspect embodiment, including stirring cover and the stirring cover mount of any one of the aforesaid, the stirring cover install in installation position passes through fixed establishment is fixed.

According to the utility model discloses nucleic acid extraction appearance has following beneficial effect at least: the nucleic acid extraction instrument using the stirring sleeve fixing frame can adapt to stirring sleeves of various structures, and is flexible to use and good in universality.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a perspective view of an embodiment of a stirring sleeve fixing frame assembled with an embodiment of a first stirring sleeve;

FIG. 2 is a perspective view of an embodiment of a stirring sleeve fixing frame assembled with an embodiment of a stirring sleeve of type two;

FIG. 3 is a perspective view of the stirring sleeve fixing frame;

FIG. 4 is an enlarged schematic view of FIG. 3 at A;

FIG. 5 is a schematic perspective view of an embodiment of a stirring sleeve of type one;

FIG. 6 is a sectional view taken along line K-K of FIG. 1;

FIG. 7 is an enlarged view of FIG. 6 at B;

FIG. 8 is a schematic view of the embodiment of FIG. 7 with the stir sheath removed;

FIG. 9 is an exploded view of an embodiment of a stirring jacket mount;

FIG. 10 is a schematic structural view of an embodiment of a connector;

FIG. 11 is a perspective view of a second version of the agitator sleeve;

FIG. 12 is a cross-sectional view taken along line M-M of FIG. 2;

FIG. 13 is an enlarged view at C of FIG. 12;

FIG. 14 is a schematic view of an embodiment of a mixing sleeve holder assembled with an embodiment of a mixing sleeve of type one;

FIG. 15 is a schematic view of an embodiment of a stirring jacket fixture assembled with an embodiment of a stirring jacket of type two;

FIG. 16 is a perspective view of a third version of a mixing jacket;

fig. 17 is a schematic view of the assembly of the stirring jacket fixing frame embodiment and the stirring jacket embodiment of the third mode.

Reference numerals: the stirring sleeve fixing frame 100, the frame body 110, the insertion groove 111, the insertion port 1111, the first limiting surface 112, the second limiting surface 113, the clamping mechanism 120, the elastic pressing block 121, the guide inclined surface 1211, the jacking portion 1212, the clamping port 122, the main body part 101, the connecting piece 102 and the clamping structure 130;

the stirring sleeve 200, the plate body 210, the sleeve body 220, the sleeving hole 221, the elastic buckle 230, the elastic sheet 231, the buckle body 232 and the limiting part 240.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1 to 3, the mixing sleeve fixing bracket 100 for fixing a mixing sleeve 200 includes: the frame body 110 is provided with an installation position for installing the stirring sleeve 200; the fixing mechanism is arranged on the frame body 110 and is used for fixing the stirring sleeve 200 at the installation position; wherein, the frame body 110 is provided with at least two fixing mechanisms corresponding to the mounting positions, so that at least two stirring sleeves 200 can be fixed on the mounting positions. In the present embodiment, two kinds of fixing structures are provided, as indicated by reference numerals 120 and 130 (specific structures are described below). Of course, in other embodiments, more than two securing structures may be provided. More than two fixing mechanisms are matched with the installation position, so that more than two stirring sleeves 200 can be selectively fixed at the installation position. The stirring sleeve fixing frame 100 with the structure can be matched with different stirring sleeves 200, and is flexible to use, and good in interchangeability and universality.

In this embodiment, four mounting positions are provided on the frame body 110, so that four stirring sleeves 200 can be mounted. Of course, in other embodiments, the rack 110 may also be provided with one or other number of mounting positions without being limited to the solution provided in this embodiment. In this embodiment, one of at least two types of the agitating sleeves 200 may be selected to be mounted to the mounting site. In addition, different mounting positions can be used with different types of stirring sleeves 200.

Referring to fig. 3, in the present embodiment, the mounting position includes a socket 111 for socket mounting the stirring jacket 200. The stirring sleeve 200 is installed by taking the insertion groove 111 as an installation position, and the stirring sleeve is simple in structure and convenient to install. Of course, in other embodiments, the mounting location may be other structures as long as the structure can provide the mounting location for the stirring sleeve 200.

Referring to fig. 4, in the present embodiment, a fixing mechanism is a clamping mechanism 120, and the clamping mechanism 120 is disposed on the frame body 110 and is used for clamping the stirring jacket 200 so as to fix the stirring jacket 200 at the installation position. The clamping mechanism 120 is adopted to fixedly install the stirring sleeve 200 at the installation position, and the clamping and fixing mode is simple in structure and easy to implement.

In the present embodiment, the clamping mechanism 120 includes an elastic pressing block 121 disposed in the insertion groove 111, and a clamping opening 122 for clamping the stirring sleeve 200 is formed between the elastic pressing block 121 and the groove surface of the insertion groove 111. After the stirring sleeve 200 is inserted into the insertion groove 111, the stirring sleeve 200 is pressed against the groove surface of the insertion groove 111 by the elastic pressing block 121, so that the stirring sleeve 200 is clamped. The structure is simple and easy to implement.

Referring to the first version of the stirring jacket 200 of fig. 5, the general structure of the stirring jacket 200 includes a strip-shaped plate 210 and a plurality of jacket bodies 220 disposed on the plate 210 and along the length direction of the plate 210, and each jacket body 220 has a sleeve hole 221 with an upward opening. In this embodiment, the insertion groove 111 is adapted to the plate body 210 of the stirring sleeve 200, the insertion groove 111 has a yielding opening to yield the sleeve body of the stirring sleeve 200, and the frame body 110 is provided with a through hole communicated with the insertion groove 111 to expose the sleeve hole 221 of the stirring sleeve 200. Of course, in some embodiments, the insertion groove 111 can also be a groove structure of the fitting sleeve. In this embodiment, the size of the clamping opening 122 should be set appropriately. For example, referring to fig. 6 to 8, in the present embodiment, the elastic pressing piece 121 is pressed against the plate surface of the plate body 210 of the stirring sleeve 200, so that the width of the clamping opening 122 before clamping the stirring sleeve 200 should be smaller than the thickness of the plate body 210 to achieve the clamping function. Of course, if the elastic pressing block 121 presses other parts of the stirring sleeve 200, the size of the corresponding clamping opening 122 should be configured according to the size of the specific part. In other embodiments, the clamping mechanism 120 may have other configurations. There are many mechanisms in the art for clamping a member, not illustrated here.

Referring to fig. 7 and 8, in the present embodiment, the insertion groove 111 extends in the front-rear direction, the front end of the insertion groove is provided with an insertion port 1111, the plate 210 of the stirring sleeve 200 can be inserted into the insertion groove 111 through the insertion port 1111 in the longitudinal direction thereof, the elastic pressing piece 121 is disposed at the rear end of the insertion groove 111, and one side of the elastic pressing piece 121 facing the insertion port 1111 is provided with a guide inclined surface 1211, so that the stirring sleeve 200 can be inserted into the clamping port 122 by expanding the elastic pressing piece 121 through the guide inclined surface 1211. The insertion groove 111 extending in the front-back direction can be adapted to the plate body 210 of the stirring sleeve 200, the plate body 210 of the stirring sleeve 200 can be inserted into the insertion groove 111 from the insertion port 1111 from front to back, the back end of the plate body 210 of the stirring sleeve 200 is inserted into the clamping port 122 by expanding the elastic pressing block 121 through the guide inclined surface 1211, and the back end of the plate body 210 of the stirring sleeve 200 is pressed against the groove surface of the insertion groove 111 by the elastic pressing block 121 under the elastic action. With the structure, the stirring sleeve 200 is convenient to install. In this embodiment, the elastic pressing piece 121 is expanded by the guiding inclined surface 1211, but in other embodiments, an operation part may be provided on the elastic pressing piece 121 to manually expand the elastic pressing piece 121, and then the stirring sleeve 200 is inserted into the clamping opening 122, and then the operation part is released to press the elastic pressing piece 121 against the stirring sleeve 200.

Referring to fig. 9 and 10, in the present embodiment, the frame body 110 includes a main body 101 and a connecting member 102, the insertion groove 111 is disposed on the main body 101, the elastic pressing member 121 is disposed on the connecting member 102, and the connecting member 102 is fixedly connected to the main body 101. Through the above arrangement, the frame body 110 is divided into the main body part 101 and the connecting member 102 to be manufactured respectively, and appropriate materials and structural designs can be selected according to respective functions, thereby facilitating the manufacture of the frame body 110. For example, the main body 101 may be made of aluminum alloy or other rigid metal materials to ensure a certain rigidity, and the connecting member 102 may be made of metal plate or plastic materials, and the elastic pressing block 121 is integrally formed thereon, so that the elastic pressing block 121 is endowed with a certain elasticity by using the characteristics of the metal plate or plastic materials. In the present embodiment, the connector 102 is fixed to the main body 101 by a screw fastener, but may be fixed to the main body 101 by welding, clamping, or the like.

Referring to fig. 10, in the present embodiment, the connecting member 102 includes a bottom plate, the elastic pressing piece 121 is of a lath structure and is integrally disposed with the bottom plate, one end of the elastic pressing piece 121 is connected to the bottom plate, and the other end is a free end and is bent to form a pressing portion 1212. The pressing portion 1212 presses the stirring jacket 200. The structure is simple and easy to implement. The connecting member 102 may be made of metal plate or plastic.

Referring to the second version of the mixing sleeve 200 of fig. 11, the mixing sleeve 200 has an elastic clip 230, and the elastic clip 230 is disposed on the plate body 210. In order to adapt such a mixing sleeve 200, referring to fig. 12 and 13, a fixing mechanism is a snap structure 130 for cooperating with a predetermined elastic snap 230 provided on the mixing sleeve 200. In this embodiment, the clamping structure 130 is a through hole structure. In other embodiments, the snap structure 130 may also be a groove structure or a blind hole structure or a concave structure or a snap step. In this embodiment, the elastic buckle 230 includes an elastic sheet 231 and a buckle body 232, one end of the elastic sheet 231 is connected with the plate body 210, and the other end is a free end, the buckle body 232 is disposed at the free end of the elastic sheet 231, and the buckle body 232 is displaced by pressing the elastic sheet 231 so as to avoid the frame body 110 and enter a position where the buckle body is mutually buckled with the buckling structure 130. Of course, in some embodiments, the stirring sleeve 200 of the second type can also be adapted to be clamped by the elastic pressing piece 121 of the clamping mechanism 120, so as to form a double fixation. For the specific clamping manner of the clamping mechanism 120 in the present embodiment, the clamping mechanism 120 can be applied as long as the plate body 210 of the stirring sleeve 200 is long enough.

In this embodiment, inserting groove 111 extends and the front end is provided with interface 1111 along the fore-and-aft direction, inserting groove 111 can be inserted along self length direction to the plate body 210 of agitator sleeve 200 through interface 1111, the front end of support body 110 is provided with spacing terminal surface, spacing terminal surface is used for cooperating and restricting the degree of depth that agitator sleeve 200 inserted inserting groove 111 with agitator sleeve 200, it is provided with different spacing position's spacing terminal surface to correspond different fixed establishment on support body 110, so that when different agitator sleeves 200 were fixed in the installation position, the position of the relative support body 110 of cover body 220 of agitator sleeve 200 was fixed.

In this embodiment, as an installation position is matched with one clamping mechanism 120 and one clamping structure 130, the clamping mechanism 120 corresponds to the first type of stirring sleeve 200, and the clamping structure 130 corresponds to the second type of stirring sleeve 200, referring to fig. 14 and 15, the front end of the frame body 110 is provided with the first limiting surface 112 and the second limiting surface 113 to respectively correspond to the two fixing mechanisms, and the first limiting surface 112 and the second limiting surface 113 respectively limit the depth of the first type of stirring sleeve 200 and the second type of stirring sleeve 200 inserted into the insertion groove 111, so that when the first type of stirring sleeve 200 or the second type of stirring sleeve 200 is installed in the insertion groove 111, the position of the sleeve body 220 thereon is fixed relative to the frame body 110 (i.e., the dimension L is kept fixed, and the dimension L is the distance from the central axis of the sleeve body 220 at the foremost end of the stirring sleeve 200 to the front end face of the frame body 110), thereby. In this embodiment, the first and second limiting surfaces 112 and 113 may be formed by forming a stepped portion at the front end of the frame body 110.

In the present embodiment, the first and second type stirring sleeves 200 are provided with the limiting portions 240 to cooperate with the first and second limiting surfaces 112 and 113, respectively, and for the first type stirring sleeve 200, as shown in fig. 5, the limiting portions 240 are step structures provided on two sides of the plate body 210. Referring to fig. 11, in the second embodiment of the stirring sleeve 200, the limiting portion 240 is a block structure disposed on both sides of the plate 210. Of course, for another type of the stirring sleeve 200, such as the stirring sleeve 200 of the type three shown in fig. 16, the limiting portion 240 may also be configured as shown in the figure, and at this time, the matching relationship between the limiting portion 240 and the first limiting surface 112 is shown in fig. 16. The stirring sleeve 200 of the third embodiment maintains the dimension L constant by the engagement of the stopper 240 with the first stopper surface 112.

The stirring sleeve fixing frame 100 can be applied to a nucleic acid extractor, the nucleic acid extractor comprises a stirring sleeve 200 and any one of the stirring sleeve fixing frames 100, and the stirring sleeve 200 is installed at an installation position and fixed through a fixing mechanism. The nucleic acid extractor using the stirring sleeve fixing frame 100 can be adapted to stirring sleeves 200 with various structures, and is flexible to use and good in universality.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims (10)

1. Stirring cover mount for fixed stirring cover, its characterized in that includes:

the frame body (110) is provided with an installation position for installing the stirring sleeve (200);

the fixing mechanism is arranged on the frame body (110) and is used for fixing the stirring sleeve (200) at the installation position; wherein the content of the first and second substances,

the frame body (110) is provided with at least two fixing mechanisms corresponding to the mounting positions, so that at least two stirring sleeves (200) can be fixed on the mounting positions.

2. The mixing jacket attachment as claimed in claim 1, characterized in that the mounting location comprises a plug-in groove (111) for plug-in mounting of the mixing jacket (200).

3. The mixing sheath holder according to claim 2, wherein one of the fixing mechanisms is a clamping mechanism (120), and the clamping mechanism (120) is disposed on the frame body (110) and is used for clamping the mixing sheath (200) to fix the mixing sheath (200) at the mounting position.

4. The mixing jacket fixing frame according to claim 3, characterized in that the clamping mechanism (120) comprises an elastic pressing block (121) arranged in the insertion groove (111), and a clamping opening (122) for clamping the mixing jacket (200) is formed between the elastic pressing block (121) and the groove surface of the insertion groove (111).

5. The stirring sleeve fixing frame according to claim 4, wherein the insertion slot (111) extends in a front-back direction, and a front end of the insertion slot (1111) is provided with an insertion port (1111), a plate body (210) of the stirring sleeve (200) can be inserted into the insertion slot (111) through the insertion port (1111) along a length direction thereof, the elastic pressing block (121) is provided at a rear end of the insertion slot (111), and a side of the elastic pressing block (121) facing the insertion port (1111) is provided with a guide slope (1211) so that the stirring sleeve (200) can be inserted into the clamping port (122) by spreading the elastic pressing block (121) through the guide slope (1211).

6. The mixing sheath holder according to claim 4, characterized in that the holder body (110) comprises a main body part (101) and a connecting piece (102), the insertion groove (111) is arranged on the main body part (101), the elastic pressing piece (121) is arranged on the connecting piece (102), and the connecting piece (102) is fixedly connected to the main body part (101).

7. The mixing sheath holder according to claim 6, characterized in that the connecting member (102) comprises a bottom plate, the spring pressing block (121) is of a lath structure and is integrally arranged with the bottom plate, one end of the spring pressing block (121) is connected with the bottom plate, and the other end is a free end and is bent to form a pressing portion (1212).

8. The mixing sheath holder according to claim 1, characterized in that one of the fixing means is a snap-fit structure (130) for engaging with a predetermined resilient snap (230) provided on the mixing sheath (200).

9. The stirring sleeve fixing frame according to claim 2, wherein the insertion groove (111) extends in a front-back direction and is provided with an insertion port (1111) at a front end thereof, a plate body (210) of the stirring sleeve (200) can be inserted into the insertion groove (111) along a length direction thereof through the insertion port (1111), the front end of the frame body (110) is provided with a limiting end surface, the limiting end surface is used for being matched with the stirring sleeve (200) and limiting a depth of the stirring sleeve (200) inserted into the insertion groove (111), and different limiting end surfaces at different limiting positions are arranged on the frame body (110) corresponding to different fixing mechanisms, so that when different stirring sleeves (200) are fixed at the mounting positions, a sleeve body (220) of the stirring sleeve (200) is fixed relative to the position of the frame body (110).

10. The nucleic acid extraction instrument is characterized by comprising a stirring sleeve (200) and the stirring sleeve fixing frame (100) of any one of claims 1 to 9, wherein the stirring sleeve (200) is arranged at the installation position and is fixed by the fixing mechanism.

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