CN215313152U - Fixed point location centrifuge - Google Patents

Abstract

The utility model discloses a fixed-point positioning centrifugal machine which comprises a centrifugal machine shell, wherein a centrifugal barrel is arranged in the centrifugal machine shell, a rotating frame used for mounting a test tube is arranged in the centrifugal barrel, a driving mechanism used for driving the rotating frame to rotate is arranged at the lower end of the centrifugal machine shell, an induction switch used for inducing the rotating angle of the rotating frame is arranged in the centrifugal machine shell, an opening is formed in the upper end of the centrifugal machine shell, and a switch door is arranged in the position, corresponding to the opening, in the centrifugal machine shell. Centrifuge during operation, the test tube is installed on the swivel mount, the closed opening of switch door, and actuating mechanism drive swivel mount rotates, and centrifugal work accomplishes the back, and the position that the inductive switch response swivel mount stopped for the test tube corresponds with open position, and open position is opened to the switch door, conveniently takes out the test tube, has realized fixed point location centrifugation, and with the cooperation of switch door, it is closed to guarantee centrifugal process centrifuge, also conveniently takes out the test tube simultaneously, and easy operation is convenient.

Description

Fixed point location centrifuge

Technical Field

The utility model relates to the technical field of centrifuges, in particular to a fixed-point positioning centrifuge.

Background

Centrifuges are machines that separate components of liquids from solid particles or mixtures of liquids using centrifugal force, and are widely used in the fields of life sciences, medicine, chemistry, environmental protection, and the like.

The rotary head of the centrifugal machine is divided into an angle rotary head and a horizontal rotary head. The central line of the centrifugal tube of the angle rotor and the rotating shaft form a fixed angle, and the test tube hanging cup is close to vertical to the angle of the rotor rotating shaft due to the action of centrifugal force when the horizontal rotor is separated, and when the rotating speed is reduced or no rotating speed exists, the test tube hanging cup of the horizontal rotor is parallel to the angle of the rotor rotating shaft under the action of gravity

However, when the centrifuge with the horizontal rotary head is used for centrifuging a microorganism sample in a test tube, after the centrifugation is finished, the test tube cannot be automatically taken because the stop position of the test tube is not fixed, so that the work is inconvenient and the efficiency is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems and provides a fixed-point positioning centrifuge.

The technical scheme adopted by the utility model for solving the technical problems is as follows:

the utility model provides a fixed point location centrifuge, includes the centrifuge shell, is equipped with the centrifuge bucket in the centrifuge shell, be equipped with the swivel mount that is used for installing the test tube in the centrifuge bucket, centrifuge shell lower extreme is equipped with drive swivel mount pivoted actuating mechanism, is equipped with the inductive switch who is used for responding to swivel mount turned angle in the centrifuge shell, and centrifuge shell upper end is equipped with the opening, and the position that corresponds with the opening in the centrifuge shell is equipped with the switch door.

Further, the swivel mount is including the pivot that is located the centre and the mounting bracket that is used for supporting the test tube, the mounting bracket is the cross from the top, the test tube is installed at the cross the mounting bracket tip.

Further, the cross mounting bracket tip is equipped with the recess, be equipped with the draw-in groove on the recess both sides inner wall, be equipped with the sleeve on the test tube, the sleeve both ends are equipped with the back shaft, back shaft and draw-in groove cooperation.

Further, the clamping groove inclines downwards and outwards from top to bottom.

Further, the driving mechanism comprises a motor, a supporting plate is arranged in the shell of the centrifuge, the supporting plate is installed in the shell of the centrifuge, the motor is installed on the supporting plate, and the output shaft of the motor is connected with the rotating shaft of the rotating frame.

Further, the inductive switch is mounted on the support plate.

Furthermore, two ends of the switch door are supported on the centrifuge shell and are in sliding connection with the centrifuge shell through a guide rail and sliding block pair, and the switch door and the centrifuge shell are driven through a lead screw nut.

The utility model has the beneficial effects that:

1. the centrifugal tube is internally provided with a rotating frame for mounting a test tube, the lower end of a shell of the centrifugal machine is provided with a driving mechanism for driving the rotating frame to rotate, an inductive switch for inducing the rotating angle of the rotating frame is arranged in the shell of the centrifugal machine, and the upper end of the shell of the centrifugal machine is provided with a switch door. Centrifuge during operation, the test tube is installed on the swivel mount, the closed opening of switch door, and actuating mechanism drive swivel mount rotates, and centrifugal work accomplishes the back, and the position that the inductive switch response swivel mount stopped for the test tube corresponds with open position, and open position is opened to the switch door, conveniently takes out the test tube, has realized fixed point location centrifugation, and with the cooperation of switch door, it is closed to guarantee centrifugal process centrifuge, also conveniently takes out the test tube simultaneously, and easy operation is convenient.

2. According to the test tube rack, the clamping grooves are inclined downwards and outwards from top to bottom, when the mounting rack rotates, the test tube rotates outwards around the support shaft under the action of centrifugal force, and the clamping grooves are inclined outwards, so that the support shaft can be prevented from being separated from the clamping grooves, and the test tube cannot be thrown out.

Drawings

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

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural diagram of the door opening and closing part of the present invention;

FIG. 3 is a front view of the present invention;

FIG. 4 is a cross-sectional view taken at A-A of FIG. 3;

FIG. 5 is a schematic view of the internal structure of the present invention;

FIG. 6 is a partial enlarged view of FIG. 5 at B;

FIG. 7 is a front view of the internal structure of the present invention;

FIG. 8 is a schematic view of the structure of the rotating frame of the present invention.

In the figure: centrifuge shell 1, centrifugation bucket 2, swivel mount 3, pivot 31, mounting bracket 32, recess 33, draw-in groove 34, sleeve 35, back shaft 36, test tube 4, inductive switch 5, opening 6, switch door 7, motor 8, backup pad 9.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the drawings in the embodiment of the present invention, and it is obvious that the described embodiment is only a part of the embodiment of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 to 4, a fixed-point positioning centrifuge includes a centrifuge housing 1, a centrifuge barrel 2 is provided in the centrifuge housing 1, a rotating rack 3 for installing a test tube 4 is provided in the centrifuge barrel 2, a driving mechanism for driving the rotating rack 3 to rotate is provided at the lower end of the centrifuge housing 1, an inductive switch 5 for sensing the rotation angle of the rotating rack 3 is provided in the centrifuge housing 1, an opening 6 is provided at the upper end of the centrifuge housing 1, and a switch door 7 is provided at a position corresponding to the opening 6 in the centrifuge housing 1. Centrifuge during operation, test tube 4 is installed on swivel mount 3, the closed opening 6 of switch door 7, actuating mechanism drive swivel mount 3 rotates, after centrifugal work accomplished, the position that inductive switch 5 response swivel mount 3 stopped for the test tube corresponds with opening 6 position, opening position is opened to switch door 7, conveniently take out test tube 4, realized fixed point location centrifugation, with switch door 7 cooperation, guarantee that centrifugal process centrifuge is closed, also conveniently take out the test tube simultaneously, easy operation is convenient.

As shown in fig. 5 and 8, the rotating frame 3 includes a rotating shaft 31 located in the middle and a mounting frame 32 for supporting the test tube 4, the mounting frame 32 is cross-shaped when viewed from the top, the output end of the driving mechanism is connected with the rotating shaft 31 through a coupler, the axis of the rotating shaft 31 is vertical, the mounting frame 32 is installed at the upper end of the rotating shaft 31, and the test tube 4 is installed at the end of the mounting frame 32.

As shown in fig. 5 and 6, the cross-shaped end of the mounting frame 32 is provided with a groove 33, the inner walls of two sides of the groove 33 are provided with clamping grooves 34, the test tube 4 is provided with a sleeve 35, two ends of the sleeve 35 are provided with supporting shafts 36, and the supporting shafts 36 are matched with the clamping grooves 34. The clamping groove 34 inclines downwards to the outer side from top to bottom, the outer side is the end far away from the rotating shaft, when the mounting frame 32 rotates, the test tube 4 rotates outwards around the supporting shaft 36 under the action of centrifugal force, the clamping groove 34 inclines outwards, the supporting shaft and the clamping groove can be prevented from being separated, and the test tube cannot be thrown out.

As shown in fig. 3, 4 and 7, the driving mechanism includes a motor 8, a support plate 9 is arranged in the centrifuge shell 1, the support plate 9 is installed in the centrifuge shell 1, the support plate 9 is a circular plate, a mounting seat is arranged on the support plate 9, a threaded rod is arranged at the upper end of the mounting seat, the threaded rod penetrates through the support plate 9 and is fixed by a nut, the mounting seat is three along the circumferential direction of the support plate 9, the lower end of the mounting seat is connected with the centrifuge shell 1 by a screw, the motor 8 is installed on the support plate 9, an output shaft of the motor 8 is connected with a rotating shaft 31 of the rotating frame 3, the rotating shaft 31 penetrates through the bottom of the centrifugal barrel 2 and is connected with the bottom of the centrifugal barrel 2 by a bearing rotation, and the motor 8 rotates through a rotating shaft driving mounting frame 32. The inductive switch 5 is mounted on a support plate 9.

As shown in fig. 2, two ends of the switch door 7 are supported on the centrifuge housing 1 and are slidably connected with the centrifuge housing 1 through a pair of guide rail and slide block, and the switch door 7 and the centrifuge housing 1 are driven by a lead screw nut and can also be driven by a cylinder, which is the prior art and will not be described herein in detail.

In the description of the present invention, it should be noted that the terms "left", "right", "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; they may be mechanically or electrically connected, directly or indirectly through intervening media, or may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Claims (7)

1. The utility model provides a fixed point location centrifuge, includes centrifuge housing (1), is equipped with centrifuge barrel (2) in centrifuge housing (1), its characterized in that, be equipped with swivel mount (3) that are used for installing test tube (4) in centrifuge barrel (2), centrifuge housing (1) lower extreme is equipped with drive swivel mount (3) pivoted actuating mechanism, is equipped with in centrifuge housing (1) and is used for responding to swivel mount (3) turned angle's inductive switch (5), and centrifuge housing (1) upper end is equipped with opening (6), and the position that corresponds with opening (6) in centrifuge housing (1) is equipped with switch door (7).

2. A spot positioning centrifuge according to claim 1, wherein said rotating frame (3) comprises a central rotating shaft (31) and a mounting frame (32) for supporting test tubes (4), said mounting frame (32) having a cross-shape when viewed from above, said test tubes (4) being mounted at the ends of said cross-shaped mounting frame (32).

3. A fixed point positioning centrifuge according to claim 2, wherein a groove (33) is formed at the end of the cross-shaped mounting frame (32), clamping grooves (34) are formed on the inner walls of two sides of the groove (33), a sleeve (35) is arranged on the test tube (4), support shafts (36) are arranged at two ends of the sleeve (35), and the support shafts (36) are matched with the clamping grooves (34).

4. A site specific positioning centrifuge according to claim 3, wherein said pockets (34) are inclined downwardly and outwardly.

5. A centrifugal machine according to claim 1, wherein the driving mechanism comprises a motor (8), a support plate (9) is arranged in the centrifugal machine housing (1), the motor (8) is arranged on the support plate (9), and an output shaft of the motor (8) is connected with the rotating shaft (31) of the rotating frame (3).

6. A fixed point positioning centrifuge according to claim 5, wherein the inductive switch (5) is mounted on a support plate (9).

7. A centrifugal machine with fixed point positioning as defined in claim 1, wherein the opening and closing door (7) is supported at both ends on the centrifugal machine casing (1) and is connected with the centrifugal machine casing (1) in a sliding way through a guide rail and slide block pair, and the opening and closing door (7) is driven with the centrifugal machine casing (1) through a lead screw and a nut.

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