CN218590585U

CN218590585U - Height-adjustable's centrifuge tube rack

Info

Publication number: CN218590585U
Application number: CN202222953601.7U
Authority: CN
Inventors: 王智勇; 龙倩
Original assignee: Hubei University for Nationalities
Current assignee: Hubei University for Nationalities
Priority date: 2022-11-07
Filing date: 2022-11-07
Publication date: 2023-03-10
Anticipated expiration: 2032-11-07

Abstract

The utility model discloses a height-adjustable's centrifuge tube rack relates to experimental device technical field. The bottom of adjusting the pole sets firmly on the bottom plate and the top is connected with the fixed plate, adjustment mechanism is used for promoting positioning mechanism and is close to or keeps away from the regulation pole, be equipped with a plurality of constant head tanks on the regulation pole, positioning mechanism includes the montant, locating pin and spring, the montant respectively with adjustment mechanism and locating pin fixed connection, the spring housing is located the locating pin outside and the both ends of spring fixed connection montant and fixed plate respectively, the one end activity of montant is kept away from to the locating pin is inserted and is located in the constant head tank. The utility model discloses an adjustment mechanism and positioning mechanism's montant, locating pin and spring combined action can conveniently realize the dead plate automatic locking on adjusting the pole and dismantle the separation, and then be convenient for adjust centrifuge tube rack's height according to the specification adaptability of centrifuging tube, its simple structure, convenient operation, the experimenter of being convenient for operates.

Description

Height-adjustable's centrifuge tube rack

Technical Field

The utility model belongs to the technical field of experimental device, especially, relate to a height-adjustable's centrifuge tube rack.

Background

The centrifugal tube is a tubular sample container with a sealing cover or a gland to prevent the sample from leaking, and in the field of biological science research, the centrifugal tube has been widely applied and is an essential accessory of a centrifuge. Because the centrifuging tube all is general tubular structure, inconvenient direct placing on platforms such as desktop, consequently need the centrifuging tube frame to help the centrifuging tube after using to place steadily.

Common centrifuge tube has multiple specifications such as 1.5, 2.0, 5.0, 15 and 50mL, and present centrifuge tube rack is the one-to-one with the centrifuge tube specification of placing basically, promptly, and the centrifuge tube rack is highly fixed usually, can't adjust according to the height of centrifuge tube for when adopting single centrifuge tube rack to place the centrifuge tube of different specifications, the centrifuge tube is easily fixed unstably and takes place to empty, causes experimental sample loss etc.. For example, when different specification centrifuging tubes carry out the water bath operation, need guarantee according to the height of liquid level that the centrifuge tube rack can let different specification centrifuging tubes stand upright in aqueous better, if place the specification and place 50mL centrifuging tube for the centrifuge tube rack of 15mL centrifuging tube, because 50mL centrifuging tube can bulge the centrifuge tube rack longer one section, very easily encounter the collision when removing or water bath, lead to 50mL centrifuging tube follow-up experiment operation of slipping out in the pipe rack to unable normal continuation. Therefore, it is necessary to adjust the height of the rack according to the height of the centrifuge tube. The existing centrifuge tube rack with adjustable height is mostly matched with the slot through the knob and the thread locking structure, the lifting operation process is complex, and experimental personnel are not convenient to perform experimental operation.

SUMMERY OF THE UTILITY MODEL

To the technical problem that centrifuging tube height is unadjustable or the lifting operation is complicated among the prior art, the utility model provides a height-adjustable's centrifuge tube rack.

The utility model discloses specifically realize through following technical scheme:

a height-adjustable centrifuge tube rack comprises a bottom plate, a fixed plate, an adjusting rod, an adjusting mechanism and a positioning mechanism, wherein the bottom end of the adjusting rod is fixedly arranged on the bottom plate, and the top end of the adjusting rod is connected with the fixed plate through the adjusting mechanism and the positioning mechanism;

the length of the adjusting mechanism is adjustable, the adjusting mechanism is used for pushing the positioning mechanism to be close to or far away from the adjusting rod, a plurality of vertically distributed positioning grooves are formed in the adjusting rod, the positioning mechanism comprises a vertical rod, a positioning pin and a spring, the vertical rod is respectively connected with the adjusting mechanism and the positioning pin in a fixed mode, the spring sleeve is arranged on the outer side of the positioning pin, the two ends of the spring are respectively fixedly connected with the vertical rod and the fixed plate, and one end of the vertical rod, far away from the positioning pin, is movably inserted into the positioning grooves.

As the utility model discloses preferably, it is a plurality of to adjust the pole, and is a plurality of adjust the pole symmetry and locate on a pair of lateral wall that the bottom plate is parallel.

As the utility model discloses preferably, adjustment mechanism includes carriage release lever, transfer line, fixed column and horizontal pole, the transfer line includes articulated first connecting piece and second connecting piece, first connecting piece with the one end of second connecting piece with the carriage release lever butt, the other end with fixed column sliding connection, the fixed column set firmly in on the horizontal pole, the horizontal pole with montant fixed connection.

As the utility model discloses preferably, the transfer line is kept away from the one end of carriage release lever is equipped with the bar hole, the fixed column is located the bar is downthehole and with bar hole sliding connection.

As the utility model discloses preferably, the installation cavity has been seted up on the fixed plate, adjustment mechanism with positioning mechanism locates in the installation cavity.

As the utility model discloses preferably, the both ends of montant all set firmly the restriction pole, seted up on the cell wall of installation cavity with restriction pole matched with restriction groove.

As the utility model discloses preferably, the bottom fixedly connected with gag lever post of carriage release lever, seted up on the cell wall of installation cavity with gag lever post matched with spacing groove.

As the utility model discloses preferably, still include the equipartition and be in a plurality of backup pads around the bottom plate, the bottom of backup pad with bottom plate fixed connection, the top with fixed plate sliding connection.

As the utility model discloses preferably, set up a plurality of jack that is the array and arranges on the bottom plate, the jack is used for placing the centrifuging tube, correspond on the fixed plate and seted up and supply the centrifuging tube to follow the blind hole that holds the bottom after the jack inserts.

Preferably, the hole diameters of the insertion holes are different.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the utility model discloses a combined action of adjustment mechanism and positioning mechanism's montant, locating pin and spring can conveniently realize the fixed plate automatic locking on adjusting the pole and dismantle the separation, and then in use can be according to the specification of centrifuging tube, and the stability of the centrifuging tube of placing, the risk that greatly reduced centrifuging tube emptys is guaranteed to the height of adaptability adjustment centrifuge tube rack.

2. The utility model discloses a set up adjustment mechanism and promote positioning mechanism and adjust the dismouting of pole activity grafting in order to realize the fixed plate, simple structure, convenient operation, the experimenter of being convenient for operates.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained without creative efforts.

FIG. 1 is a schematic view of a height adjustable centrifuge tube rack according to an embodiment of the present invention;

FIG. 2 is a partially enlarged view of the embodiment of the present invention at A in FIG. 1;

FIG. 3 is a schematic view of the adjusting mechanism and the positioning mechanism of the present invention;

fig. 4 is a perspective view of an adjusting lever according to an embodiment of the present invention.

In the figure:

1. a base plate; 2. a fixing plate; 3. centrifuging the tube; 4. a support bar; 5. adjusting a rod; 6. a mounting cavity; 7. an adjustment mechanism; 701. a travel bar; 702. a transmission rod; 703. fixing the column; 704. a cross bar; 8. a positioning mechanism; 801. a vertical rod; 802. positioning pins; 803. a spring; 9. positioning a groove; 10. a restraining bar; 11. a limiting groove; 12. a strip-shaped hole; 13. a limiting rod; 14. a limiting groove.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below. It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that the technical terms used in the specification and the claims of the present invention should have the ordinary meanings that those having ordinary skill in the art to which the present invention belongs understand. The use of the terms "comprising" or "including" and the like in the description and in the claims is intended to mean that the elements or items listed before "comprising" or "including" cover the elements or items listed after "comprising" or "including" and their equivalents, and not to exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, nor are they restricted to direct or indirect connections.

It is to be understood that the terms "upper", "lower", "left", "right", "vertical", "horizontal", and the like as used in the description and claims of the present invention and the accompanying drawings indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing and simplifying the description, and do not indicate or imply that the referenced components or articles must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

As shown in fig. 1 to 4, an embodiment of the present invention provides a height-adjustable centrifuge tube rack, which includes a bottom plate 1, a fixing plate 2, an adjusting rod 5, an adjusting mechanism 7, wherein the bottom plate 1 and the fixing plate 2 are arranged in parallel, a plurality of insertion holes arranged in an array are disposed on the bottom plate 1, exemplarily, the insertion holes are in a 5 × 4 array mode, the insertion holes are used for placing centrifuge tubes 3, and blind holes for supporting bottom ends of the centrifuge tubes 3 after being inserted from the insertion holes are correspondingly disposed on the fixing plate 2; the number of the adjusting rods 5 is multiple, and if the number is at least 2, specifically, the number of the adjusting rods 5 can be 2, 4, 6, or even more, the adjusting rods 5 are symmetrically arranged on a pair of parallel side walls of the bottom plate 1 to form an inverted-door-shaped structure, the bottom ends of the adjusting rods 5 are fixedly arranged on the bottom plate 1, and the top ends of the adjusting rods 5 are movably connected with the fixing plate 2 through the adjusting mechanism 7 and the positioning mechanism 8.

Specifically, the length of the adjusting mechanism 7 is adjustable, the adjusting mechanism 7 is used for pushing the positioning mechanism 8 to be close to or away from the adjusting rod 5, the positioning mechanism 8 is connected with the adjusting rod 5 in an inserting mode, see fig. 3-4, fig. 3 is a perspective view of the adjusting mechanism 7 and the positioning mechanism 8 in a matching mode, fig. 4 is a perspective view of the adjusting rod 5, a plurality of vertically distributed positioning grooves 9 are formed in the adjusting rod 5, the positioning mechanism 8 comprises a vertical rod 801, positioning pins 802 and springs 803, the vertical rod 801 is respectively connected with the adjusting mechanism 7 and the positioning pins 802 in a fixed connection mode, the springs 803 are sleeved on the outer sides of the positioning pins 802, two ends of the springs 803 are respectively fixedly connected with the vertical rod 801 and the fixing plate 2, and one ends of the vertical rod 801, away from the positioning pins 802, are movably inserted in the positioning grooves 9. That is, montant 801 one end fixed connection adjustment mechanism 7, other end fixed connection locating pin 802, in order to be used for with the effort that adjustment mechanism 7 received transmits for locating pin 802, and then makes locating pin 802 is close to or keeps away from adjust pole 5, when being close to when adjusting pole 5, locating pin 802 inserts and locates in the constant head tank 9, will fixed plate 2 is fixed on adjusting pole 5, when keeping away from when adjusting pole 5, locating pin 802 deviates from outside the constant head tank 9, make fixed plate 2 follow dismantle on adjusting pole 5, in order to facilitate the adjustment fixed plate 2 is in adjust the mounted position on the pole 5.

In this embodiment, when the specification of the centrifuge tube 3 changes and the relative height between the fixing plate 2 and the bottom plate 1 needs to be adjusted, an external force is applied to adjust the length of the adjusting mechanism 7, so that the adjusting mechanism 7 drives the vertical rod 801 to move in a direction away from the adjusting rod 5 (shown in fig. 3 as moving to the right), and then drives the positioning pin 802 to disengage from the positioning slot 9, meanwhile, the spring 803 is stretched and stores deformation potential energy, and then the fixing plate 2 is moved to a proper height, and after the adjustment is completed, the adjusting mechanism 7 is loosened, the spring 803 releases the deformation potential energy, and rebounds and drives the positioning pin 802 to link to penetrate through the new positioning slot 9, so that the adjusting rod 5 and the fixing plate 2 are re-fixed. Aforesaid grafting mode is the slipknot, can fix, also can make things convenient for the split, consequently, through the combined action of montant 801, locating pin 802 and spring 803 of adjustment mechanism 7 and positioning mechanism 8, can conveniently realize that fixed plate 2 is at the automatic locking on adjusting pole 5 and dismantle the separation, and then conveniently adjust centrifuge tube rack's height, can be suitable for the centrifuging tube of more specifications. Moreover, the utility model discloses simple structure, convenient operation need not to screw up operations such as unscrewing, only can realize the height control of fixed plate 2 through the grafting block.

In order to better adapt to and stably place centrifugal tubes 3 with different specifications, the hole diameters of the jacks are different. Generally speaking, the aperture of jack suits with 3 specifications of the centrifuging tube of waiting to place to it is accurate to guarantee that centrifuging tube 3 does not rock by a wide margin in the jack, the utility model discloses do not specially prescribe a limit to. Illustratively, the receptacles shown in FIG. 1 include receptacles for receiving 50mL and 1.5mL sized centrifuge tubes 3, with the receptacles of both apertures being staggered to save space. When reducing 2 height of fixed plate in order to place small dimension centrifuging tube 3 like 1.5mL centrifuging tube 3, can place 1.5mL centrifuging tube 3 in corresponding jack, make 3 calories of centrifuging tube more stable. It should be noted that the size of the hole is not limited to the structure shown in this embodiment, and may also include a hole for placing a 10mL centrifugal tube 3.

The adjusting mechanism 7 can adopt a telescopic rod and other structures with variable lengths so as to adjust the length according to the inserting and fixing requirements.

In order to conveniently adjust the height position of the fixed plate 2, optionally, referring to fig. 3, the adjusting mechanism 7 includes a moving rod 701, a transmission rod 702, a fixed column 703 and a cross rod 704, the moving rod 701 is slidably connected to the fixed plate 2, the transmission rod 702 includes a first connecting piece and a second connecting piece (not shown in the figure) which are hinged to each other, the first connecting piece and the second connecting piece have the same length, are in an X shape and can rotate around a hinge point through a pin cross connection, one end of the first connecting piece and one end of the second connecting piece are abutted to the moving rod 701, the other end of the first connecting piece and the other end of the second connecting piece are slidably connected to the fixed column 703, the fixed column 703 is fixedly disposed on the cross rod 704, and the cross rod 704 is fixedly connected to the vertical rod 801.

In this embodiment, the moving rod 701 is pushed to move toward the direction close to the adjusting rod 5 (shown as moving rightward in fig. 3), at this time, the moving rod 701 extrudes the driving rod 702, so that the first connecting piece and the second connecting piece of the driving rod 702 rotate relatively, one ends of the first connecting piece and the second connecting piece, which are far away from the moving rod 701, extrude the fixing column 703 in sliding connection with the first connecting piece, and drive the cross rod 704 to move toward the direction far away from the adjusting rod 5, so that the cross rod 704 transmits the acting force moving rightward to the positioning mechanism 8, so that the positioning pin 802 is separated from the positioning slot 9, the installation height of the fixing plate 2 can be flexibly adjusted, after the completion, the moving rod 701 is released, the positioning pin 802 moves leftward by the resilience of the spring 803, a new positioning slot 9 is inserted, the fixing plate 2 is stably fixed, the height adjustment operation of the fixing plate 2 is very convenient, and convenient for experimenters to operate.

Optionally, one end of the transmission rod 702, which is away from the moving rod 701, is provided with a strip-shaped hole 12, and the fixed column 703 is disposed in the strip-shaped hole 12 and is in sliding connection with the strip-shaped hole 12, so that when the transmission rod 702 rotates, the surface of the fixed column 703 is squeezed by the hole wall of the strip-shaped hole 12, so that the fixed column 703 moves rightward.

In this embodiment, the moving direction of the fixing column 703 can be limited by the arrangement of the strip-shaped hole 12, so that the fixing column 703 reciprocates along the strip-shaped hole 12, the motion track is a straight line, the stability and the smoothness of motion are favorably enhanced, and the shaking is reduced.

It should be noted that the adjusting mechanism 7 and the positioning mechanism 8 can be disposed on the top of the fixing plate 2, or on the bottom of the fixing plate 2. In order to reduce the influence of dust and the like on the adjustment mechanism 7 and the positioning mechanism 8, the adjustment mechanism 7 and the positioning mechanism 8 are preferably provided in the fixed plate 2. Namely, the fixing plate 2 is provided with an installation cavity 6, and the adjusting mechanism 7 and the positioning mechanism 8 are arranged in the installation cavity 6. At this time, the moving rod 701 penetrates through the upper surface of the fixed plate 2 and extends out of the fixed plate 2, so that an experimenter can push the moving rod 701 conveniently; in addition, the positioning pin 802 penetrates through the side surface of the fixing plate 2 to be inserted into the positioning groove 9. This setting can avoid impurity such as dust to the influence of mechanical transmission structure on the one hand, and on the other hand can avoid adjustment mechanism 7 and positioning mechanism 8 to occupy fixed plate 2 surface position, influences placing of centrifuging tube 3.

Optionally, referring to fig. 3, both ends of the vertical rod 801 are fixedly provided with a limiting rod 10, and a limiting groove 11 matched with the limiting rod 10 is formed on a groove wall of the mounting cavity 6.

In this embodiment, by providing the limiting rod 10 and the limiting groove 11, the vertical rod 801 can move according to the track provided by the limiting groove 11, and the moving stability of the positioning pin 802 is improved.

Referring to fig. 3, a limiting rod 13 is fixedly connected to the bottom of the moving rod 701, and a limiting groove 14 matched with the limiting rod 13 is formed in a groove wall of the mounting cavity 6.

In the present embodiment, the movement stroke of the moving rod 701 can be limited when moving by providing the stopper rod 13 and the stopper groove 14.

During actual use, the moving rod 701 is pushed leftwards, the moving rod 701 moves leftwards according to a moving track provided by the limiting groove 14, the moving rod 701 abuts against the transmission rod 702 to extrude the transmission rod 702, the first connecting piece and the second connecting piece rotate anticlockwise and clockwise around a hinge point, when the first connecting piece and the second connecting piece rotate, the hole wall of the strip-shaped hole 12 extrudes the fixed column 703 to enable the fixed column 703 to move rightwards, the fixed column 703 drives the cross rod 704 to move rightwards, the cross rod 704 further drives the vertical rod 801 to move rightwards according to the moving track provided by the limiting groove 11 and stretch the spring 803, the positioning pin 802 moves into the installation cavity 6, the fixing plate 2 can be adjusted at the moment, after the completion, the moving rod 701 is loosened to enable the positioning pin 802 to move leftwards through the back pulling force of the spring 803, and a new positioning groove 9 is inserted.

In order to prevent the limiting rod 10 from coming out of the limiting groove 11 or the limiting rod 13 from coming out of the limiting groove 14 and improve the smoothness of sliding, the limiting groove 11 or the limiting groove 14 is preferably a C-shaped groove or a dovetail groove, and correspondingly, the limiting rod 10 or the limiting rod 13 is in a T-shaped structure.

Optionally, height-adjustable's centrifuge tube rack still includes a plurality of backup pads 4, and is a plurality of backup pad 4 equipartition is in around bottom plate 1, the bottom of backup pad 4 with bottom plate 1 fixed connection, the top with fixed plate 2 sliding connection. Specifically, backup pad 4 is close to the joint groove has been seted up along vertical direction on one side of bottom plate 1, the joint piece (not shown in the figure) has set firmly on fixed plate 2, the joint piece be located the joint inslot and with joint groove sliding fit.

In this embodiment, form the circumference through setting up backup pad 4 and adjusting pole 5 cooperation and support, can improve the stability and the bearing capacity of fixed plate 2, prevent that fixed plate 2 from turning on one's side, improve the stability that centrifuging tube 3 placed, reduce its possibility of empting in the removal process.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a height-adjustable's centrifuge tube rack which characterized in that: the adjustable type base plate comprises a base plate (1), a fixed plate (2), an adjusting rod (5), an adjusting mechanism (7) and a positioning mechanism (8), wherein the bottom end of the adjusting rod (5) is fixedly arranged on the base plate (1), and the top end of the adjusting rod is connected with the fixed plate (2) through the adjusting mechanism (7) and the positioning mechanism (8);

the length of adjustment mechanism (7) is adjustable just adjustment mechanism (7) is used for promoting positioning mechanism (8) is close to or keeps away from adjust pole (5), be equipped with constant head tank (9) of a plurality of vertical distributions on adjusting pole (5), positioning mechanism (8) include montant (801), locating pin (802) and spring (803), montant (801) respectively with adjustment mechanism (7) with locating pin (802) fixed connection, spring (803) cover is located the locating pin (802) outside just the both ends of spring (803) are fixed connection respectively montant (801) with fixed plate (2), locating pin (802) are kept away from the one end activity of montant (801) is inserted and is located in constant head tank (9).

2. A height adjustable centrifuge tube rack as defined in claim 1, wherein: the number of the adjusting rods (5) is multiple, and the adjusting rods (5) are symmetrically arranged on a pair of parallel side walls of the bottom plate (1).

3. A height adjustable centrifuge tube rack according to claim 1 or 2, wherein: adjustment mechanism (7) include carriage release lever (701), transfer line (702), fixed column (703) and horizontal pole (704), transfer line (702) are including articulated first connecting piece and second connecting piece, first connecting piece with the one end of second connecting piece with transfer line (701) butt, the other end with fixed column (703) sliding connection, fixed column (703) set firmly in on horizontal pole (704), horizontal pole (704) with montant (801) fixed connection.

4. A height adjustable centrifuge tube rack as defined in claim 3, wherein: one end, far away from the moving rod (701), of the transmission rod (702) is provided with a strip-shaped hole (12), and the fixing column (703) is arranged in the strip-shaped hole (12) and is in sliding connection with the strip-shaped hole (12).

5. A height adjustable centrifuge tube rack according to claim 3, wherein: an installation cavity (6) is formed in the fixing plate (2), and the adjusting mechanism (7) and the positioning mechanism (8) are arranged in the installation cavity (6).

6. A height adjustable centrifuge tube rack according to claim 5, wherein: the two ends of the vertical rod (801) are respectively and fixedly provided with a limiting rod (10), and the wall of the mounting cavity (6) is provided with a limiting groove (11) matched with the limiting rod (10).

7. A height adjustable centrifuge tube rack as defined in claim 5, wherein: the bottom of the moving rod (701) is fixedly connected with a limiting rod (13), and a limiting groove (14) matched with the limiting rod (13) is formed in the groove wall of the mounting cavity (6).

8. A height adjustable centrifuge tube rack as defined in claim 1, wherein: still including the equipartition be in a plurality of backup pads (4) around bottom plate (1), the bottom of backup pad (4) with bottom plate (1) fixed connection, the top with fixed plate (2) sliding connection.

9. A height adjustable centrifuge tube rack according to claim 1, wherein: offer a plurality of jack that is the array and arrange on bottom plate (1), the jack is used for placing centrifuging tube (3), correspond on fixed plate (2) and seted up the confession centrifuging tube (3) are followed the jack inserts the blind hole of back support bottom.

10. A height adjustable centrifuge tube rack as defined in claim 9, wherein: the apertures of the jacks are different in size.