CN216025565U

CN216025565U - Small centrifuge is used in laboratory

Info

Publication number: CN216025565U
Application number: CN202122282802.4U
Authority: CN
Inventors: 黄晓燕; 李荣玮; 刘雁鸣; 胡斌; 颜敏
Original assignee: Hunan Drug Inspection Research Institute (hunan Pharmaceutical Adjuvant Inspection And Detection Center)
Current assignee: Hunan Drug Inspection Research Institute (hunan Pharmaceutical Adjuvant Inspection And Detection Center)
Priority date: 2021-09-22
Filing date: 2021-09-22
Publication date: 2022-03-15
Anticipated expiration: 2031-09-22

Abstract

The utility model relates to the technical field of separation equipment, and discloses a small centrifuge for a laboratory, which solves the problem that liquid is impure because small particle solids are thrown out along with liquid and comprises a machine body, wherein a motor groove is formed in the machine body, a motor is arranged in the motor groove, an output gear is arranged at the top end of the motor, a meshing gear ring is meshed and connected with the outer side of the output gear, a rotating block is arranged in the machine body, a meshing groove is formed in the bottom end of the rotating block, the meshing gear ring is arranged on the inner wall of the meshing groove, and a middle groove is formed in the top end of the rotating block; in the utility model, in operation, the bottom end of the middle tank is provided with the filtering hole, and the liquid inlet cup is arranged below the filtering hole, so that liquid centrifuged in the centrifuging process can flow into the liquid inlet cup from the filtering hole, particles separated from the liquid are blocked in the middle tank, and the purity of the separated liquid is improved.

Description

Small centrifuge is used in laboratory

Technical Field

The utility model belongs to the technical field of separation equipment, and particularly relates to a small centrifuge for a laboratory.

Background

Centrifuges are machines that utilize centrifugal force to separate components of a mixture of liquid and solid particles or liquid and liquid. The centrifuge is mainly used for separating solid particles from liquid in suspension or separating two liquids which have different densities and are not mutually soluble in emulsion, and can also be used for discharging liquid in wet solid.

During the solid-liquid separation process, small particle solids may be thrown out along with the liquid, so that the inside of the liquid is still impure after the liquid is separated.

SUMMERY OF THE UTILITY MODEL

Aiming at the situation, in order to overcome the defects of the prior art, the utility model provides the small-sized centrifuge for the laboratory, which effectively solves the problem that small particle solids are thrown out along with liquid to cause impure liquid.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a small-size centrifuge is used in laboratory, includes the organism, the motor groove has been seted up to the inside of organism, and the internally mounted in motor groove has the motor, and output gear is installed on the top of motor, and output gear's outside meshing is connected with the meshing ring gear, and the internally mounted of organism has the commentaries on classics piece, and the meshing groove has been seted up to the bottom of commentaries on classics piece, and the meshing ring gear is installed on the inner wall in meshing groove.

Preferably, the top of commentaries on classics piece has seted up the middle part groove, and the test tube groove has been seted up to the inside equal angle of commentaries on classics piece, and the internally mounted of test tube groove has the test tube, changes the inside of piece and still installs filter mechanism.

Preferably, the middle groove is in the shape of an inverted circular truncated cone, one side of the test tube groove is positioned on the inclined plane of the middle groove, and the test tube groove is perpendicular to the inclined plane of the middle groove.

Preferably, the filtering mechanism comprises a mounting groove arranged at the bottom end of the rotating block, the inside of the mounting groove is in threaded connection with a base, a knob is mounted at the bottom end of the base, a thread groove is formed in the outer wall of the base, a clamping block is mounted inside the base, a liquid inlet cup is sleeved at the top end of the clamping block, a clamping groove is formed in the bottom end of the liquid inlet cup, and a filtering hole is formed in the bottom end of the middle groove at an equal angle.

Preferably, the liquid inlet cup is arranged in a cross shape, and the shape of the liquid inlet cup is the same as that of the clamping groove.

Preferably, a separation cup is arranged inside the liquid inlet cup, and the outer wall of the separation cup is provided with throwing holes at equal angles.

Preferably, the top end of the separation cup is provided with an inclined plate, the inclined plate is fixedly connected with the bottom end of the liquid inlet cup, the diameter of the separation cup is smaller than that of the liquid inlet cup, and the height of the separation cup is smaller than that of the liquid inlet cup.

Compared with the prior art, the utility model has the beneficial effects that:

1) in the operation, the bottom end of the middle tank is provided with the filtering hole, and the liquid inlet cup is arranged below the filtering hole, so that the liquid centrifuged in the centrifuging process can flow into the liquid inlet cup from the filtering hole, and the particles separated from the liquid are blocked in the middle tank, so that the purity of the separated liquid is improved;

2) in the work, through the liquid cup and the base joint of advancing that set up, advance liquid cup internally mounted simultaneously and have the separation cup, after the liquid that flows in from the filtration pore entered into the separation cup, because the separation cup rotates with the rotor together to make separation cup department produce centrifugal force, throw away liquid from throwing away the exit hole department once more and get into in the liquid cup, thereby accomplish the secondary filter, further improve liquid purity.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model.

In the drawings:

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

FIG. 2 is a schematic view of the internal structure of the housing of the present invention;

FIG. 3 is a schematic structural diagram of a liquid inlet cup of the present invention;

FIG. 4 is a schematic view of a base structure of the present invention;

fig. 5 is a schematic diagram of the internal structure of the liquid inlet cup of the utility model.

In the figure: 1. a body; 2. a motor slot; 3. a motor; 4. an output gear; 5. rotating the block; 6. an engagement groove; 7. a meshing toothed ring; 8. a test tube groove; 9. a test tube; 10. a middle trough; 11. a filtering mechanism; 1101. a filtration pore; 1102. mounting grooves; 1103. a base; 1104. a knob; 1105. a clamping block; 1106. a screw groove; 1107. a liquid inlet cup; 1108. a card slot; 1109. a separating cup; 1110. and throwing out the hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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.

In the first embodiment, as shown in fig. 1 to 5, the test tube testing machine comprises a machine body 1, a motor groove 2 is formed in the machine body 1, a motor 3 is installed in the motor groove 2, an output gear 4 is installed at the top end of the motor 3, an engagement gear ring 7 is engaged and connected to the outer side of the output gear 4, a rotating block 5 is installed in the machine body 1, an engagement groove 6 is formed in the bottom end of the rotating block 5, the engagement gear ring 7 is installed on the inner wall of the engagement groove 6, a middle groove 10 is formed in the top end of the rotating block 5, a test tube groove 8 is formed in the rotating block 5 at an equal angle, a test tube 9 is installed in the test tube groove 8, a filter mechanism 11 is further installed in the rotating block 5, the middle groove 10 is in an inverted circular truncated cone shape, one side of the test tube groove 8 is located on an inclined plane of the middle groove 10, and the test tube groove 8 is perpendicular to the inclined plane of the middle groove 10;

the test tube 9 containing liquid and solid in the mixed substance to be filtered is inserted into the test tube groove 8, the motor 3 is started, the output gear 4 is meshed with the meshing toothed ring 7, meanwhile, the meshing toothed ring 7 is fixedly connected with the rotating block 5, so that the motor 3 drives the output gear 4 to rotate after being started, the rotating block 5 is driven to rotate quickly, the liquid on the upper layer in the test tube 9 is thrown out into the middle groove 10 under the action of centrifugal force, at the moment, the rotating speed is high, a small amount of solid particles can be contained in the thrown-out liquid, after the thrown-out liquid enters the middle groove 10, the liquid flows down from the filter hole 1101 and enters the liquid inlet cup 1107 below the filter hole 1101, and large particles are left above the filter hole 1101.

Second embodiment, on the basis of first embodiment, filtering mechanism 11 is including seting up in the mounting groove 1102 of commentaries on classics piece 5 bottom, the inside threaded connection of mounting groove 1102 has base 1103, knob 1104 is installed to the bottom of base 1103, spiral shell groove 1106 has been seted up to the outer wall of base 1103, the internally mounted of base 1103 has fixture block 1105, fixture block 1105 top has cup jointed feed liquor cup 1107, draw-in groove 1108 has been seted up to the bottom of feed liquor cup 1107, filter hole 1101 has been seted up to the angle such as bottom of middle part groove 10, feed liquor cup 1107 is cross setting, and the shape of feed liquor cup 1107 is the same with the shape of draw-in groove 1108.

In the third embodiment, on the basis of the second embodiment, the separation cup 1109 is installed inside the liquid inlet cup 1107, the outer wall of the separation cup 1109 is provided with throwing holes 1110 at equal angles, the top end of the separation cup 1109 is provided with an inclined plate, the inclined plate is fixedly connected with the bottom end of the liquid inlet cup 1107, the diameter of the separation cup 1109 is smaller than that of the liquid inlet cup 1107, and the height of the separation cup 1109 is smaller than that of the liquid inlet cup 1107;

after liquid flows down from filtering hole 1101, because the swash plate is installed to the top of separation cup 1109, make liquid enter separation cup 1109 earlier from the swash plate in, because advance liquid cup 1107 through draw-in groove 1108 and base 1103 joint, and base 1103 and mounting groove 1102 threaded connection, and mounting groove 1102 is seted up inside rotary block 5, make can drive base 1103 and feed liquor cup 1107 to rotate when rotary block 5 rotates, the liquid that gets into separation cup 1109 is under the effect of the centrifugal force of the rotation of separation cup 1109, make the liquid that gets into throw from throwing hole 1110 in the feed liquor cup 1107, the tiny particle solid in the liquid is detained in separation cup 1109 after being thrown away hole 1110 and block simultaneously.

The working principle is as follows: when the device works, firstly, a test tube 9 containing liquid and solid in mixed substances to be filtered is inserted into a test tube groove 8, a motor 3 is started, the output gear 4 is meshed with a meshing toothed ring 7, and meanwhile, the meshing toothed ring 7 is fixedly connected with a rotating block 5, so that the motor 3 is started to drive the output gear 4 to rotate, and then the rotating block 5 is driven to rotate rapidly, so that the liquid on the upper layer in the test tube 9 is thrown out into a middle groove 10 under the action of centrifugal force, and at the moment, the thrown liquid possibly contains a small amount of solid particles due to the high rotating speed, and after the thrown liquid enters the middle groove 10, the liquid flows down from a filter hole 1101 and enters a liquid inlet cup 1107 below the filter hole 1101 under the action of self gravity, and larger particles are left above the filter hole 1101;

after the liquid flows down from the filter holes 1101, the inclined plate is installed at the top end of the separation cup 1109, so that the liquid firstly enters the separation cup 1109 from the inclined plate, the liquid inlet cup 1107 is clamped with the base 1103 through the clamping groove 1108, the base 1103 is in threaded connection with the mounting groove 1102, the mounting groove 1102 is arranged inside the rotary block 5, the base 1103 and the liquid inlet cup 1107 can be driven to rotate when the rotary block 5 rotates, the liquid entering the separation cup 1109 is thrown into the liquid inlet cup 1107 from the throwing-out hole 1110 under the action of the rotating centrifugal force of the separation cup 1109, and meanwhile, small particle solids in the liquid are retained in the separation cup 1109 after being blocked by the throwing-out hole 1110;

after waiting centrifugal operation to end, take out commentaries on classics piece 5, take out test tube 9 in the test tube groove 8, collect the great particulate matter of middle part inslot 10, back is twisted out base 1103 through knob 1104, takes off feed liquor cup 1107, collects the back with the less particulate matter in separation cup 1109, pours out the collection through throwing away hole 1110 with the liquid in the feed liquor cup 1107.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A laboratory is with small-size centrifuge, includes organism (1), its characterized in that: a motor groove (2) is formed in the machine body (1), a motor (3) is installed in the motor groove (2), an output gear (4) is installed at the top end of the motor (3), the outer side of the output gear (4) is connected with a meshing gear ring (7) in a meshing mode, a rotating block (5) is installed in the machine body (1), a meshing groove (6) is formed in the bottom end of the rotating block (5), and the meshing gear ring (7) is installed on the inner wall of the meshing groove (6); a middle groove (10) is formed in the top end of the rotating block (5), test tube grooves (8) are formed in the rotating block (5) at equal angles, test tubes (9) are mounted in the test tube grooves (8), and a filtering mechanism (11) is further mounted in the rotating block (5); filtering mechanism (11) is including seting up mounting groove (1102) in commentaries on classics piece (5) bottom, the internal thread connection of mounting groove (1102) has base (1103), knob (1104) are installed to the bottom of base (1103), spiral shell groove (1106) have been seted up to the outer wall of base (1103), the internally mounted of base (1103) has fixture block (1105), fixture block (1105) top cover has connect into liquid cup (1107), draw-in groove (1108) have been seted up to the bottom of feed liquor cup (1107), filtration pore (1101) have been seted up to the bottom of middle part groove (10) equidistance.

2. The laboratory microcentrifuge according to claim 1, which is characterized in that: the middle groove (10) is in an inverted round table shape, one side of the test tube groove (8) is positioned on the inclined plane of the middle groove (10), and the test tube groove (8) is perpendicular to the inclined plane of the middle groove (10).

3. The laboratory microcentrifuge according to claim 1, which is characterized in that: the liquid inlet cup (1107) is arranged in a cross shape, and the shape of the liquid inlet cup (1107) is the same as that of the clamping groove (1108).

4. The laboratory microcentrifuge according to claim 1, which is characterized in that: a separation cup (1109) is arranged in the liquid inlet cup (1107), and a throwing hole (1110) is formed in the outer wall of the separation cup (1109) at an equal angle.

5. The laboratory microcentrifuge according to claim 4, wherein: the top end of the separation cup (1109) is provided with an inclined plate, the inclined plate is fixedly connected with the bottom end of the liquid inlet cup (1107), the diameter of the separation cup (1109) is smaller than that of the liquid inlet cup (1107), and the height of the separation cup (1109) is smaller than that of the liquid inlet cup (1107).