CN215353895U

CN215353895U - Biological mill

Info

Publication number: CN215353895U
Application number: CN202120426665.4U
Authority: CN
Inventors: 魏萌; 王涛; 谢庆云; 杨立娜; 陈杏; 何朝霞; 张明媚
Original assignee: Western Theater General Hospital of PLA
Current assignee: Western Theater General Hospital of PLA
Priority date: 2021-02-26
Filing date: 2021-02-26
Publication date: 2021-12-31
Anticipated expiration: 2031-02-26

Abstract

The utility model discloses a biological grinder which comprises a bottom plate and a fixing rod, wherein a material guide pipe is fixedly arranged inside a grinding pestle, a conical opening is further formed in the bottom end of the grinding pestle and communicated with the material guide pipe, a fitting conical rod is fixedly arranged in the center inside a mortar, a handle is arranged at the top end of the grinding pestle, and a feeding cover is arranged in the middle of the handle. According to the utility model, the mortar can rotate on the turntable, the grinding pestle is internally provided with the conical opening and is provided with the notch spiral threads corresponding to the fit conical rod, biological sample materials can fall from the conical opening at the bottom end of the grinding pestle firstly and are ground for the first time through the fit conical rod, then fall from a gap between the conical opening and the fit conical rod and fall into the mortar, and can be ground and smashed again through the threads on the outer surface of the bottom of the grinding pestle, so that the grinding efficiency is high, the particle diameter is smaller, and the grinding pestle is convenient and practical.

Description

Biological mill

Technical Field

The utility model relates to the field of grinding devices, in particular to a biological grinder.

Background

With the development of molecular biology, molecular biology science and technology has gradually become an important research tool for various disciplines in life science, and the most common pretreatment mode in the molecular biology experiment process is to grind a sample, so a grinder is an essential device for the experiment. Most of the existing grinders have complex results or are suitable for grinding treatment of large-batch samples. Large particles of material are ground into powder primarily by irregular motion.

In the grinding process, some samples are ground only by using a simple mortar and a grinding pestle due to the shape and structural characteristics of the samples, so that the efficiency is low, the processed samples are not uniform enough in particle size, and the particle size is large.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provides a biological grinder, wherein a mortar can rotate on a rotary disc, a conical opening is arranged in a grinding pestle, and the grinding pestle is provided with a notch spiral thread corresponding to a matching conical rod, biological sample materials can fall from the conical opening at the bottom end of the grinding pestle firstly, are ground and ground for the first time through the matching conical rod, then fall from a gap between the conical opening and the matching conical rod, fall into the mortar, and can be ground and smashed again through threads on the outer surface of the bottom of the grinding pestle, so that the grinding efficiency is high, the particle diameter is smaller, and the biological grinder is convenient and practical.

In order to solve the technical problems, the utility model provides the following technical scheme:

the utility model relates to a biological grinder, which comprises a bottom plate and a fixed rod, wherein the fixed rod is vertically arranged on one side of the surface of the bottom plate, a small motor is arranged at the center of the bottom surface of the bottom plate, negative pressure suckers are respectively arranged on the bottom surfaces of two sides of the bottom plate, the top end of the small motor is rotatably connected with a mortar through a turntable, a collecting tank is also arranged on the surface of the bottom plate and is positioned on one side of the mortar, a fixed sleeve is sleeved on the fixed rod, limiting snap rings are respectively arranged at the top end and the bottom end of the fixed sleeve, one end part of the fixed sleeve is fixedly connected with a grinding seat through a connecting rod, a grinding pestle is arranged inside the grinding seat, a material guide pipe is fixedly arranged inside the grinding pestle, a conical opening is also arranged at the bottom end of the grinding pestle and is communicated with the material guide pipe, and a fitting conical rod is fixedly arranged at the center inside the mortar, the top of grinding pestle installs the handle, the mid-mounting of handle has the feeding lid.

As a preferred technical scheme of the biological grinder, the mortar is clamped on the rotary disc.

In a preferred embodiment of the biological grinder according to the present invention, the grinding pestle is inserted into the center of the grinding base.

As a preferred technical scheme of the biological grinder, the top end of the material guide pipe is communicated with the feeding cover.

As a preferable technical scheme of the biological grinder of the present invention, the outer surface of the bottom end of the grinding pestle and the outer surface of the engaging conical rod are both provided with external threads.

According to a preferred technical scheme of the biological grinder, the grinding pestle is provided with a notch corresponding to the thread matched with the outer surface of the conical rod on the inner wall of the conical opening on the bottom surface.

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

according to the utility model, the mortar can rotate on the turntable, the grinding pestle is internally provided with the conical opening and is provided with the notch spiral threads corresponding to the fit conical rod, biological sample materials can fall from the conical opening at the bottom end of the grinding pestle firstly and are ground for the first time through the fit conical rod, then fall from a gap between the conical opening and the fit conical rod and fall into the mortar, and can be ground and smashed again through the threads on the outer surface of the bottom of the grinding pestle, so that the grinding efficiency is high, the particle diameter is smaller, and the grinding pestle is convenient and practical.

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 an overall block diagram of the present invention;

in the figure: 1. a base plate; 2. fixing the rod; 3. a small-sized motor; 4. a negative pressure sucker; 5. a turntable; 6. a mortar; 7. collecting tank; 8. fixing a sleeve; 9. a limit snap ring; 10. a grinding seat; 11. grinding a pestle; 12. a material guide pipe; 13. a conical opening; 14. fitting the conical rod; 15. a handle; 16. and (7) a feeding cover.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation. Wherein like reference numerals refer to like parts throughout.

In addition, if a detailed description of the known art is not necessary to show the features of the present invention, it is omitted. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

Example 1

Referring to fig. 1, the utility model provides a biological grinder, which comprises a bottom plate 1 and a fixing rod 2, wherein the fixing rod 2 is vertically installed on one side of the surface of the bottom plate 1, a small-sized motor 3 is installed at the center of the bottom surface of the bottom plate 1, negative pressure suction cups 4 are installed on the bottom surfaces of two sides of the bottom plate 1, the top end of the small-sized motor 3 is rotatably connected with a mortar 6 through a turntable 5, a collecting groove 7 is also installed on the surface of the bottom plate 1, the collecting groove 7 is located on one side of the mortar 6, a fixing sleeve 8 is sleeved on the fixing rod 2, a limiting snap ring 9 is installed on the top end and the bottom end of the fixing sleeve 8, one end of the fixing sleeve 8 is fixedly connected with a grinding seat 10 through a connecting rod, a grinding pestle 11 is installed inside the grinding seat 10, a material guide pipe 12 is fixedly installed inside the grinding pestle 11, a conical opening 13 is also installed at the bottom end of the grinding pestle 11, and the conical opening 13 is communicated with the material guide pipe 12, a fitting conical rod 14 is fixedly arranged in the center of the mortar 6, a handle 15 is arranged at the top end of the grinding pestle 11, and a feeding cover 16 is arranged in the middle of the handle 15.

Further, the mortar 6 is clamped on the turntable 5, and the mortar 6 can be manually taken off from the turntable 5.

Grinding pestle 11 pegs graft in the inside central authorities department of grinding seat 10, it is fixed connection through connecting rod and fixed cover 8 to grind seat 10, manual rotation handle 15 in-process, handle 15 drives grinding pestle 11 and rotates in grinding seat 10, there is the screw thread with 11 surface screw thread cooperations of grinding pestle on the inner wall of grinding seat 10, consequently, grinding pestle 11 can move downwards, let 11 bottom end of grinding pestle stretch into in mortar 6, conical opening 13 of 11 bottoms surfaces of grinding pestle is coincide in time on agreeing with conical rod 14.

The top end of the guide tube 12 is connected to the feed cap 16, so that the biological sample can be poured into the guide tube 12 after opening the feed cap 16, and then fall vertically from the conical opening 13 of the grinding pestle 11 into the mortar 6.

The external surface of the bottom end of the grinding pestle 11 and the external surface of the fitting conical rod 14 are both provided with external threads, the external threads on the external surface of the bottom end of the grinding pestle 11 are used for matching with the biological sample material to be ground and smashed in the mortar 6, and the external threads on the external surface of the fitting conical rod 14 are used for matching with the conical opening 13 at the bottom end of the grinding pestle 11 and just fitting with the top end of the fitting conical rod 14 after the biological sample is firstly poured into the material guide pipe 12, and the threads are corresponding, so that after the handle 15 is manually rotated, the biological sample material can firstly fall from the conical opening 13 at the bottom end of the grinding pestle 11 and then fall through the fitting conical rod 14 to be ground and smashed for the first time, then fall from the gap between the conical opening 13 and the fitting conical rod 14 and fall into the mortar 6, and can be ground and smashed again through the threads on the external surface at the bottom of the grinding pestle 11.

And a notch corresponding to the thread on the outer surface of the conical rod 14 is arranged on the inner wall of the conical opening 13 at the bottom surface of the grinding pestle 11, and the notch is of a spiral structure and is used for correspondingly matching the thread on the outer surface of the top end of the conical rod 14.

Specifically, after the feeding cover 6 is firstly opened, the biological sample is poured into the material guide pipe 12, the small-sized motor 3 is started to drive the rotary disc 5 to rotate, the mortar 6 placed on the rotary disc 5 rotates, the handle 15 is manually held, the grinding pestle 11 can rotate back and forth, the material at the bottom end of the grinding pestle 11 firstly falls down from the conical opening 13 at the bottom end of the grinding pestle 11 and is primarily ground through the engaging conical rod 14, then falls down from the gap between the conical opening 13 and the engaging conical rod 14 and falls into the mortar 6, the material can be ground again through the threads on the outer surface at the bottom of the grinding pestle 11, the grinding pestle 11 can rotate back and forth up and down through the back and forth rotation motion, the ground sample can be normally ground, the ground sample material can be lifted up from the mortar 6 through the back and forth rotation handle 15, the mortar 6 can be manually taken down from the rotary disc 5, and the ground and mashed sample material is poured into a collecting tank 7.

According to the utility model, the mortar 6 can rotate on the rotary disc 5, the grinding pestle 11 is internally provided with the conical opening 13 and is provided with the concave spiral threads corresponding to the fit conical rod 14, biological sample materials can firstly fall from the conical opening 13 at the bottom end of the grinding pestle 11, are primarily ground and ground through the fit conical rod 14, then fall from a gap between the conical opening 13 and the fit conical rod 14, and fall into the mortar 6, and can be ground and smashed again through the threads on the outer surface at the bottom of the grinding pestle 11, so that the grinding efficiency is high, the particle diameter is smaller, and the grinding pestle is convenient and practical.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The biological grinder comprises a bottom plate (1) and a fixing rod (2), and is characterized in that the fixing rod (2) is vertically installed on one side of the surface of the bottom plate (1), a small motor (3) is installed in the center of the bottom surface of the bottom plate (1), negative pressure suckers (4) are installed on the bottom surfaces of two side surfaces of the bottom plate (1), the top end of the small motor (3) is rotatably connected with a mortar (6) through a turntable (5), a collecting tank (7) is also installed on the surface of the bottom plate (1), the collecting tank (7) is located on one side of the mortar (6), a fixing sleeve (8) is sleeved on the fixing rod (2), limiting snap rings (9) are arranged on the top end and the bottom end of the fixing sleeve (8), a grinding seat (10) is fixedly connected to one end of the fixing sleeve (8) through a connecting rod, and a grinding pestle (11) is installed inside the grinding seat (10), the grinding pestle comprises a grinding pestle (11), a material guide pipe (12) is fixedly mounted inside the grinding pestle (11), a conical opening (13) is further arranged at the bottom end of the grinding pestle (11), the conical opening (13) is communicated with the material guide pipe (12), a fitting conical rod (14) is fixedly mounted in the center inside the mortar (6), a handle (15) is mounted at the top end of the grinding pestle (11), and a feeding cover (16) is mounted in the middle of the handle (15).

2. The biological grinder according to claim 1, wherein the mortar (6) is clamped on the turntable (5).

3. The biological grinder according to claim 1, wherein the grinding pestle (11) is inserted in the inner center of the grinding seat (10).

4. The biological grinder according to claim 1, wherein the top end of the material guiding tube (12) is communicated with the feeding cover (16).

5. The biological grinder according to claim 1, wherein the external threads are provided on the outer surface of the bottom end of the grinding pestle (11) and the outer surface of the engaging conical rod (14).

6. The biological grinder according to claim 1, wherein the grinding pestle (11) is provided with a notch corresponding to the thread of the outer surface of the engaging conical rod (14) on the inner wall of the conical opening (13).