CN214346628U

CN214346628U - Centrifuging tube bracket assembly

Info

Publication number: CN214346628U
Application number: CN202022966275.4U
Authority: CN
Inventors: 肖晓文; 朱强
Original assignee: Tsingke Biotechnology Co Ltd
Current assignee: Tsingke Biotechnology Co Ltd
Priority date: 2020-12-10
Filing date: 2020-12-10
Publication date: 2021-10-08
Anticipated expiration: 2030-12-10

Abstract

The utility model relates to the field of biotechnology, a centrifuging tube bracket assembly is provided, include: the first surface of the ejector plate is a horizontal plane, the second surface of the ejector plate is an inclined plane, and a minimum thickness end and a maximum thickness end are constructed; the bracket is positioned above the ejection plate, and the bottom of the bracket is opposite to the second surface of the ejection plate. The utility model discloses the layering of centrifuging tube of being convenient for is taken out.

Description

Centrifuging tube bracket assembly

Technical Field

The utility model relates to the field of biotechnology, especially, relate to a centrifuging tube bracket assembly.

Background

In the field of biosynthesis, after DNA synthesis, the DNA needs to undergo steps of elution, ammonolysis, purification, measurement and the like, the measurement is one of approaches for checking whether synthesis is qualified, and after the synthesis of a required DNA fragment is checked to be qualified, the DNA fragment needs to be subpackaged into centrifuge tubes according to different volumes according to the requirements of customers, and then the DNA fragment is packaged and delivered to the customers for experiments of various purposes. At present, the device that is used for partial shipment DNA primer on the domestic market is the vast majority even to cover the centrifuging tube to will even cover the centrifuging tube and place in a plurality of hole sites on the bracket, but after putting into the hole site on the bracket when even covering the centrifuging tube, the tube cap of even covering the centrifuging tube is absorbed in the hole site completely, makes even to cover the centrifuging tube and is difficult to take out, has influenced efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model provides a centrifuging tube bracket assembly, the layering of the centrifuging tube of being convenient for is taken out.

The utility model provides a centrifuging tube bracket assembly, include:

the first surface of the ejector plate is a horizontal plane, the second surface of the ejector plate is an inclined plane, and a minimum thickness end and a maximum thickness end are constructed; the bracket is positioned above the ejection plate, and the bottom of the bracket is opposite to the second surface of the ejection plate.

According to the utility model provides a pair of centrifuging tube bracket assembly, the centrifuging tube includes tube cap and the pipe shaft that links to each other through collapsible connecting portion, a plurality of recesses that are the array and distribute are constructed to the top surface undercut of bracket, the recess includes the first recess and the second recess of intercommunication, first recess is used for the restriction collapsible connecting portion, the second recess is used for the restriction the tube cap, just the surperficial undercut of second recess is constructed and is used for holding the straight hole of pipe shaft.

According to the utility model provides a pair of centrifuging tube bracket assembly, the axis and the horizontal direction slope of first recess set up.

According to the utility model provides a pair of centrifuging tube bracket assembly, first recess is located 45 directions in straight hole.

According to the utility model provides a pair of centrifuging tube bracket assembly, the axis of first recess is skew the center in straight hole.

According to the utility model provides a pair of centrifuging tube bracket assembly, first recess with collapsible connecting portion interference fit.

According to the utility model provides a pair of centrifuging tube bracket assembly, the trough rim of first recess with the maximum distance at the center of straight hole is greater than and equal to when the tube cap is vertical the upper surface of tube cap with the distance of the central line of pipe shaft.

According to the utility model provides a pair of centrifuging tube bracket assembly, the undercut all around of the top surface of bracket forms the step, be equipped with all around of the bottom surface of bracket and be used for the embedding the bellying of step.

According to the utility model provides a pair of centrifuging tube bracket assembly, the height of pipe shaft is h₃The thickness of the minimum thickness end of the ejector plate is h₄The thickness of the maximum thickness end of the ejector plate is h₅，h₅≤h₂，h₄≥h₁+h₂-h₃+ T, wherein, h₁Is the depth of the straight hole, h₂T is the height of the protruding portion and T is the groove depth of the groove.

According to the utility model provides a centrifuging tube bracket assembly, the recess is 12 x 10 array, the groove depth of recess is more than or equal to 3mm, every two adjacent second recesses of row communicate each other, and the central distance of every two adjacent straight holes of row is more than or equal to 17mm, the central distance of every two adjacent straight holes of row is more than or equal to 17 mm; the aperture of the straight hole is larger than the diameter of the pipe body and smaller than the diameter of the opening of the pipe body.

The utility model provides a centrifuging tube bracket assembly sets up to the horizontal plane through the first surface with the liftout plate, and the second surface of liftout plate sets up to the inclined plane, and when the inclined plane of liftout plate was located the bottom of bracket, the centrifuging tube in the bracket can be ejecting under the effect of liftout plate, and highly being of each line centrifuging tube increases progressively or degressively, and the layering of being convenient for takes out.

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

In order to more clearly illustrate the technical solutions of the present invention or the prior art, the following briefly introduces the drawings required for the embodiments or the prior art descriptions, and obviously, the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a front view of an initial state of a centrifuge tube;

FIG. 2 is a top view of the centrifuge tube in its initial state;

FIG. 3 is a schematic view of the centrifuge tube being placed in a vertical position in a rack;

FIG. 4 is a schematic view of the centrifuge tube after being covered;

fig. 5 is a schematic structural diagram of a bracket provided by the present invention;

FIG. 6 is an enlarged view of a portion of FIG. 5 at Z;

fig. 7 is a cross-sectional view of a bracket provided by the present invention;

FIG. 8 is a schematic view of the present invention providing a carrier filled with centrifuge tubes with the centrifuge tubes open;

fig. 9 is a schematic view of the bracket filling the cap of the centrifuge tube provided by the present invention;

fig. 10 is a schematic view of a state in which a plurality of trays are stacked and nested with each other;

fig. 11 is a schematic structural view of the ejector plate provided by the present invention;

fig. 12 is an exploded view of an ejector plate ejecting centrifuge tube provided by the present invention;

reference numerals:

1: centrifuging the tube; 11: a tube cover; 12: a tube body;

13: a foldable connecting portion; 2: a bracket; 21: a groove;

22: a straight hole; 23: a first groove; 24: a second groove;

25: clamping a hole; 26: a boss portion; 27: a step;

28: clamping chamfering; 3: ejecting the plate; 31: a minimum thickness end;

32: the end of maximum thickness.

Detailed Description

To make the objects, technical solutions and advantages of the present invention clearer, the drawings of the present invention are combined to clearly and completely describe the technical solutions of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the embodiments of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the embodiments of the present invention and simplifying the description, but do 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 embodiments of the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the embodiments of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "connected" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the embodiments of the present invention can be understood in specific cases by those skilled in the art.

In embodiments of the invention, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of an embodiment of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

The centrifuge tube bracket assembly of the present invention is described below in conjunction with figures 1-12.

Because the utility model discloses a bracket assembly for centrifuge tube, consequently, for clearer description the utility model discloses bracket assembly's technical scheme is described earlier below the structure of centrifuge tube, as shown in fig. 1-4, shows the primary structure of centrifuge tube, and centrifuge tube 1 includes tube cap 11, collapsible connecting portion 13 and pipe shaft 12, and wherein, the diameter of pipe shaft 12 is d₀The opening of the pipe body 12 and the pipe body 12 are of a reducing structure, and are specific: the diameter of the opening of the tube body 12 is d_p，d_pGreater than d₀The pipe cover 11 is connected with the pipe body 12 through a foldable connecting part 13, and the width of the foldable connecting part 13 is b₀The tube cover 11, the foldable connecting part 13 and the tube body 12 are made of the same material by injection molding, when the centrifugal tube 1 is in an initial state, the tube body 12 is vertically placed, and the tube cover 11 is connected to the left side or the right side of the tube body 12 along the horizontal direction, as shown in fig. 1, the left side; when the centrifuge tube 1 is placed on the bracket 2, the tube cover 11 and the upper plane of the opening of the tube body 12 are in a 90-degree vertical state, and at the moment, the upper surface of the tube cover 11 and the tube body 12 are in a vertical directionIs parallel to the central line of the pipe body 12, and the upper surface of the pipe cover 11 is at a distance l from the central line of the pipe body 12₀(ii) a When the centrifuging tube was located the buckle closure state, the upper surface of tube cap 11 was perpendicular with the central line of pipe shaft 12, and the protruding structure of the lower surface of tube cap 11 plays sealed effect with the opening interference fit of pipe shaft 12.

It is to be understood that the specific type of the foldable connection portion is not limited as long as it can be folded, and the foldable connection portion is preferably a connection rib that can be folded, so as to facilitate the opening and closing of the tube cover on the tube body.

The bracket assembly of the present invention will be described below, the bracket assembly comprising: bracket 2 and liftout plate 3, as shown in fig. 5 and 6, the top surface undercut of bracket 2 constructs a plurality of recess 21 that are distributed as the array, and the shape of recess 21 matches according to centrifuge tube 1's shape is adaptability, specifically: the groove 21 comprises a first groove 23 and a second groove 24 which are communicated, the bottom surface of the first groove 23 and the bottom surface of the second groove 24 are the same plane, and the width of the first groove 23 is b₁And b is₁Is less than b₀Namely, the width of the first groove 23 is slightly smaller than that of the foldable connecting part 13, and the first groove 23 is in interference fit with the foldable connecting part 13, so that the first groove 23 limits and positions the foldable connecting part 13, the tube cover 11 of the centrifugal tube can be clamped tightly, the rotation of the centrifugal tube is limited, and the centrifugal tube is kept at a specific angle; the shape of the second groove 24 is the same as the shape of the tube cover 11, and the size of the second groove 24 is slightly larger than the external size of the tube cover 11, when the tube cover 11 is fastened on the tube body 12, the tube cover 11 is just embedded into the second groove 24, that is, the tube cover 11 is limited by the second groove 24, and the surface of the second groove 24 is recessed downwards to form a straight hole 22 for accommodating the tube body, the diameter of the straight hole 22 is d₁，d₀<d₁<d_pSo that the centrifuge tube 1 can be placed in the straight hole 22 without falling down.

In this embodiment, the utility model provides a centrifuging tube bracket sets up the recess that the shape matches at the top surface of bracket according to the appearance of centrifuging tube, utilizes groove structure to carry out the screens to the centrifuging tube, and the restriction centrifuging tube is rotatory and keep at specific angle to make the opening of centrifuging tube arrange according to specific direction, and improved the space utilization of bracket.

As the utility model discloses a further improvement, the axis and the horizontal direction slope of first recess 23 set up, and is preferred, and first recess 23 is located the 45 directions of straight hole 22, has greatly improved the space utilization of bracket.

According to other embodiments of the present invention, the central axis of the first groove 23 deviates from the center of the straight hole 22, that is, the central axis of the first groove 23 does not pass through the center of the straight hole 22, so as to form eccentricity, so that when the centrifuge tube 1 is placed in the straight hole 22 of the bracket, a twisting force is applied to the foldable connecting portion 13, thereby further limiting the chucking of the centrifuge tube and preventing the centrifuge tube from bouncing up; also be convenient for simultaneously mechanical clamping jaw directly absorb the vertical straight hole 22 that inserts of centrifuging tube, collapsible connecting portion 13 can be in the same place card in first recess 23, the utility model discloses the bracket has further improved the chucking location to the centrifuging tube through this design.

According to an embodiment of the present invention, the maximum distance l between the groove edge of the first groove 23 and the center of the straight hole 22₁The distance l between the upper surface of the pipe cover 11 and the central line of the pipe body 12 when the pipe cover 11 is vertical is larger than or equal to₀I.e. l₁≥l₀The utility model discloses a can make centrifuging tube 1 place on

bracket

2 and 11 vertical and pipe shaft 12's opening plane angle more than or equal to 90 the time, do not influence and inject the sample toward the centrifuging tube in, the utility model discloses a this design has made things convenient for mechanical injection sample, has reduced the fault rate.

As a further improvement, as shown in fig. 7-9, the periphery of the top surface of the bracket 2 is recessed downwards to form a step 27, the periphery of the bottom surface of the bracket 2 is provided with a convex part 26 for being embedded into the step 27, and when a plurality of brackets 2 are required to be stacked and nested one above the other, the convex part 26 of the bracket at the upper layer is placed on the step 27 of the bracket at the lower layer, as shown in fig. 10.

In particular, the depth of the straight hole 22 on the bracket 2 is h₁，10mm≤h₁Less than or equal to 20 mm; the height of the raised part 26 arranged around the bottom of the bracket is h₂，h₂Not less than 19mm and width b₂Four above the bracketThe width of the circumferentially arranged step 27 is b₃，b₂<b₃<5mm, the brackets can be conveniently nested, and meanwhile, when the brackets are prevented from being nested, the width of the lug boss 26 is too wide to touch the tube cover 11 of the centrifuge tube 1 on the bracket at the lower layer.

In this embodiment, as shown in fig. 5 and 6, the locking chamfer 28 is provided at the upper left corner of the bracket 2, and the locking chamfer 28 is provided to allow the bracket to be fixedly placed in only one direction but not in the opposite direction.

According to the utility model discloses a specific embodiment, as shown in fig. 7-fig. 9, the recess is 12 x 10 array, and the groove depth T more than or equal to 3mm of recess can make the tube cap of centrifuging tube buckle in the back sinks the second recess completely, and every two adjacent second recesses of row communicate each other, and every two adjacent straight hole's of row center distance more than or equal to 17mm, guarantees that adjacent centrifuging tube can not interfere with each other.

Furthermore, the numbers 1-12 are arranged on the upper edge of the bracket 2, and the letters A-J are arranged on the left edge of the bracket 2, so that each centrifugal tube can be numbered conveniently through the position of the groove, and the phenomenon of dislocation of the centrifugal tubes is avoided.

Further, clamping holes 25 are arranged around the top surface of the bracket, specifically: as shown in fig. 5, four faces around the bracket are away from the center distance P that leans on the straight hole of limit and are more than or equal to 18mm, simultaneously, open the clamp of four rectangles on the bracket and get hole 25, four clamp are got hole 25 and are arranged respectively on the length direction of bracket, and two upper and lower long limits respectively set up two and press from both sides and get hole 25, and four fingers of the mechanical clamping jaw of being convenient for get into and press from both sides tightly to the realization is snatched the purpose of bracket, promptly the utility model discloses make things convenient for snatching and placing of mechanical clamping jaw, degree of realization of automation is high, does benefit to the mechanization, intellectuality and the automation of whole laboratory production flow.

It can be understood that the utility model discloses the specific shape of first recess 23 and second recess 24 is not restricted, as long as with centrifuging tube 1 the same can, therefore, in this embodiment, the utility model discloses first recess 23 is the rectangle recess, and two process fillets are opened to two right angles departments of rectangle recess, reduce the technology degree of difficulty, second recess 24 is the arc recess, and the axis and the horizontal direction of arc recess become 45 contained angles, in some embodiments, first recess 23 coincides with the axis of second recess 24, when first recess 23 is eccentric, second recess 24 also is whole eccentric along with first recess 23, nevertheless should guarantee that the tube cap can imbed in the second recess 24, as shown in fig. 6, first recess 23 of this embodiment is located the upper left side of straight hole 22, can understand, the utility model discloses the incline direction of whole recess is not restricted specially.

Furthermore, the utility model discloses the bracket is the integrated into one piece structure, consequently, is provided with the splice bar between the wall of straight hole 22 and the wall and between the wall of straight hole 22 and the bellying 26 respectively, has increased the holistic structural strength of bracket.

As shown in fig. 11, the first surface of the knock-out plate 3 is a horizontal surface, the first surface is a lower surface in the drawing, the second surface of the knock-out plate 3 is an inclined surface, and the second surface is an upper surface in the drawing, so that the thickness of the knock-out plate 3 is gradually reduced from one end to the other end, forming a minimum thickness end 31 and a maximum thickness end 32. It is understood that the minimum thickness end 31 and the maximum thickness end 32 are described relative to each other.

Further, the outer dimension of the ejector plate 3 is smaller than the inner dimension of the boss 26, which facilitates the placement of the ejector plate 3 directly below the bracket 2.

According to the embodiment of the present invention, the height of the tube body 12 is h₃The minimum thickness end 31 of the ejector plate has a thickness h₄The maximum thickness end 32 of the ejector plate has a thickness h₅，h₅≤h₂，h₄≥h₁+h₂-h₃+ T. Through the size design, the centrifugal tube can be ejected out by the ejection plate in a layered mode.

As shown in fig. 12, the bracket 2 is located above the ejector plate 3, and the bottom of the bracket 2 is opposite to the inclined surface of the ejector plate 3, when the inclined surface of the ejector plate 3 is located at the bottom of the bracket 2, the centrifuge tubes 1 in the bracket 2 are ejected under the action of the inclined surface of the ejector plate 3, and the height of each row of centrifuge tubes is gradually increased or decreased, so as to be taken out in layers.

Based on the above embodiment, the utility model provides a centrifuge tube bracket assembly, according to the appearance of centrifuging tube, set up the recess that matches at the top surface of bracket, utilize groove structure to carry out the screens to the centrifuging tube, restrict the centrifuging tube and rotate and keep at specific angle, not only make the space utilization of bracket improve, also make the centrifuging tube can not rotate at will simultaneously, thereby make the centrifuging tube opening arrange according to specific direction, keep the mouth of pipe open, do not have the shelter from, make things convenient for mechanical injection sample, reduce the fault rate, simultaneously, through increasing the clamp hole of getting on the bracket, make things convenient for mechanical clamping jaw to snatch, be convenient for mechanical snatch and place, the degree of realization of automation is high, do benefit to the mechanization of whole laboratory production flow, intellectuality and automation; and can be ejecting with the centrifuging tube in the bracket through the liftout plate, be convenient for the layering take out.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. A centrifuge tube carrier assembly, comprising:

the first surface of the ejector plate is a horizontal plane, the second surface of the ejector plate is an inclined plane, and a minimum thickness end and a maximum thickness end are constructed;

the bracket is positioned above the ejection plate, and the bottom of the bracket is opposite to the second surface of the ejection plate.

2. The centrifuge tube bracket assembly of claim 1, wherein the centrifuge tube comprises a tube cover and a tube body connected by a collapsible connection portion, wherein a plurality of grooves distributed in an array are formed by the downward depression of the top surface of the bracket, the grooves comprise a first groove and a second groove which are communicated with each other, the first groove is used for limiting the collapsible connection portion, the second groove is used for limiting the tube cover, and the straight hole for accommodating the tube body is formed by the downward depression of the surface of the second groove.

3. The centrifuge tube bracket assembly of claim 2, wherein the central axis of the first groove is disposed at an angle to the horizontal.

4. The centrifuge tube bracket assembly of claim 3, wherein the first groove is located at 45 ° of the straight bore.

5. The centrifuge tube bracket assembly of claim 3, wherein the central axis of the first groove is offset from the center of the straight bore.

6. The centrifuge tube bracket assembly of claim 2, wherein the first groove is an interference fit with the collapsible connection.

7. The centrifuge tube bracket assembly of claim 2, wherein the maximum distance between the slot edge of the first groove and the center of the straight hole is greater than or equal to the distance between the upper surface of the tube cover and the centerline of the tube body when the tube cover is vertical.

8. The centrifuge tube bracket assembly of claim 2, wherein the top surface of the bracket is recessed downward to form a step, and the bottom surface of the bracket is provided with a raised portion around for embedding the step.

9. The centrifuge tube bracket assembly of claim 8, wherein the tube body has a height h₃The thickness of the minimum thickness end of the ejector plate is h₄The thickness of the maximum thickness end of the ejector plate is h₅，h₅≤h₂，h₄≥h₁+h₂-h₃+ T, wherein, h₁Is the depth of the straight hole, h₂T is the height of the protruding portion and T is the groove depth of the groove.

10. The centrifuge tube carrier assembly of any one of claims 2-9, wherein the grooves are in a 12 x 10 array, the grooves have a groove depth of 3mm or more, two adjacent second grooves in each column are in communication with each other, the distance between the centers of two adjacent straight holes in each column is 17mm or more, and the distance between the centers of two adjacent straight holes in each row is 17mm or more; the aperture of the straight hole is larger than the diameter of the pipe body and smaller than the diameter of the opening of the pipe body.