CN210294003U

CN210294003U - Solid powder sampling device for specific surface area analyzer

Info

Publication number: CN210294003U
Application number: CN201921061483.0U
Authority: CN
Inventors: 何雪明; 朱其华; 陈伟峰
Original assignee: Dongguan Weike Battery Co ltd
Current assignee: Dongguan Weike Battery Co ltd
Priority date: 2019-07-08
Filing date: 2019-07-08
Publication date: 2020-04-10
Anticipated expiration: 2029-07-08

Abstract

The utility model relates to a specific surface area analysis technical field discloses a solid powder sampling device for specific surface area analysis appearance. The solid powder sample feeding device for the specific surface area analyzer comprises a long-neck funnel, the long-neck funnel comprises a funnel and a neck tube, one end of the neck tube is communicated with an opening below the funnel, and the other end of the neck tube extends into a sample tube of the specific surface area analyzer and is always higher than the bottom of the sample tube; the one end of guide axle is from running through the funnel and stretching into the neck pipe, and guide axle stretches into one of long-neck funnel and serves and be equipped with helical blade, and the guide axle can rotate for long-neck funnel around its central axis to transport the sample in the long-neck funnel to in the bulb of sample cell bottom. The utility model discloses can send solid powder to specific surface area analyzer's sample cell bottom portion simply high-efficiently.

Description

Solid powder sampling device for specific surface area analyzer

Technical Field

The utility model relates to a specific surface area analysis technical field especially relates to a solid powder sampling device for specific surface area analysis appearance.

Background

In the lithium electricity trade, the specific surface area analysis appearance is a common instrument that is used for positive negative pole powder specific surface area analysis, traditional specific surface area analysis appearance's kind of introduction mode is for directly advancing the kind or choose long neck glass funnel application of sample for use, two kinds of application modes all have very big shortcomings, because the diameter of specific surface area sample cell is very little (5mm or 8mm) and length is very long (220mm), direct introduction is wasted time and energy and is infected with the pipe wall easily and influence the analysis result, choose long neck glass funnel application of sample then because the too little powder sample of funnel diameter easily blocks up the funnel pipeline, lead to the feeding inefficiency, and glass is breakable material. The existing sample feeding device has excessive parts and is troublesome to manufacture, and the sample feeding device needs to be repeatedly disassembled and assembled during feeding or cleaning, so that the manufacturing cost and the use cost are higher.

SUMMERY OF THE UTILITY MODEL

Based on above, an object of the utility model is to provide a solid powder sampling device for specific surface area analysis appearance can send solid powder to the sample cell bottom portion of specific surface area analysis appearance simply high-efficiently.

In order to achieve the purpose, the utility model adopts the following technical proposal:

a solid powder sampling device for a specific surface area analyzer comprises:

the long-neck funnel comprises a funnel and a neck pipe, one end of the neck pipe is communicated with an opening below the funnel, and the other end of the neck pipe extends into a sample tube of the specific surface area analyzer and is always higher than the bottom of the sample tube;

the one end of guide axle is from running through the funnel and stretching into the neck pipe, the guide axle stretches into one of in the long-neck funnel is served and is equipped with helical blade, the guide axle can be around its central axis for the long-neck funnel rotates, in order with sample transport in the long-neck funnel extremely in the bulb of sample cell bottom.

Further, still include fixed subassembly, fixed subassembly is located long neck funnel top, fixed subassembly includes activity ring and fixed bolster, the activity ring with the fixed bolster rotate connect in the fixed bolster center, the fixed bolster with the connection can be dismantled to the long neck funnel, the activity ring with the connection can be dismantled to the guide axle, makes the central axis of guide axle with the coincidence of the central axis of long neck funnel.

Furthermore, a rotary handle is arranged at one end, away from the bulb at the bottom of the sample tube, of the material guide shaft.

Furthermore, the rotary handle is detachably connected with the material guide shaft.

Preferably, the long-neck funnel is made of polyethylene material.

Preferably, the long-neck funnel is made of stainless steel material.

Preferably, the neck is integrally formed with the funnel.

Preferably, the guide shaft is made of polyethylene material.

Preferably, the guide shaft is made of stainless steel material.

The utility model has the advantages that:

adopt the utility model provides a when solid powder sampling device for specific surface area analysis appearance advances the appearance, at first stretch into specific surface area analysis appearance's sample cell with the long-neck funnel, stretch into the long-neck funnel with the guide axle again, put into the long-neck funnel with proper amount powder sample, the guide axle is revolved simultaneously, send solid powder to the sample cell bottom portion simply high-efficiently, attached to the sample cell pipe wall when both having avoided directly pouring sample powder into the sample cell, the problem of powder sample easy jam in the long-neck funnel has also been solved.

Drawings

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

Fig. 1 is a schematic view of a solid powder sampling device for a specific surface area analyzer according to an embodiment of the present invention;

fig. 2 is a schematic view of a guide shaft according to an embodiment of the present invention;

FIG. 3 is a schematic view of a long-neck funnel according to an embodiment of the present invention;

fig. 4 is a schematic view of a fixing assembly according to an embodiment of the present invention.

In the figure:

1. a long-neck funnel; 11. a funnel; 12. a neck tube;

2. a material guiding shaft;

3. a sample tube;

4. a fixing assembly; 41. a movable ring; 42. fixing a bracket;

5. and (5) screwing a handle.

Detailed Description

In order to make the technical problems, technical solutions and technical effects achieved by the present invention more clear, the embodiments of the present invention will be described in further detail with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments, not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1 to 4, the present embodiment provides a solid powder sample injection device for a specific surface area analyzer, which is used for feeding solid powder to be analyzed into a bulb at the bottom of a sample tube 3 of the specific surface area analyzer. The device comprises a long-neck funnel 1 and a material guide shaft 2, wherein the long-neck funnel 1 comprises a funnel 11 and a neck tube 12, one end of the neck tube 12 is communicated with an opening below the funnel 11, and the other end of the neck tube 12 extends into a sample tube 3 and is always higher than the bottom of the sample tube 3; one end of the guide shaft 2 penetrates through the funnel 11 and extends into the neck tube 12, one end of the guide shaft 2 extending into the long-neck funnel 1 is provided with a helical blade, and the guide shaft 2 can rotate around the central axis of the guide shaft relative to the long-neck funnel 1 so as to transport a sample in the long-neck funnel 1 into a bulb at the bottom of the sample tube 3.

Specifically, when adopting the solid powder sampling device for the specific surface area analysis appearance that this embodiment provided to advance the appearance, at first stretch into specific surface area analysis appearance's sample cell 3 with long-neck funnel 1, stretch into long-neck funnel 1 with guide axle 2 again, put into long-neck funnel 1 with proper amount powder sample, revolve guide axle 2 simultaneously, send solid powder to sample cell 3 bottom simply high-efficiently, attached to the 3 pipe walls of sample cell when having avoided directly pouring sample powder into sample cell 3, the problem of powder sample easy jam in long-neck funnel 1 has also been solved.

Preferably, specific surface area is solid powder sampling device for analyzer still includes fixed subassembly 4, and fixed subassembly 4 is located long-neck funnel 1 top, and fixed subassembly 4 includes activity ring 41 and fixed bolster 42, and activity ring 41 rotates with fixed bolster 42 to be connected in fixed bolster 42 center, and fixed bolster 42 passes through the buckle with long-neck funnel 1 to be connected, and activity ring 41 passes through threaded connection with guide shaft 2. In other embodiments of the present invention, the fixing bracket 42 and the long-neck funnel 1 can be connected by other detachable connection methods such as screw connection, and the movable ring 41 and the guide shaft 2 can also be connected by other detachable connection methods such as snap connection. Specifically, before the appearance begins, keep away from guide shaft 2 the one end of the ball bubble of 3 bottoms of sample cell passes from the middle through-hole of the movable ring 41 of fixed subassembly 4 to it is fixed with movable ring 41 threaded connection, then pass through the buckle with fixed bolster 42 and long-neck funnel 1 and be connected, the one end that guide shaft 2 is close to the sample cell 1 bottom this moment is higher than sample cell 1 bottom, make the central axis of guide shaft 2 and the coincidence of the central axis of long-neck funnel 1, make the process of appearance more smooth and easy, and avoid guide shaft 2 and neck pipe 12 collision to cause the damage.

Preferably, the one end of the ball bubble that guide shaft 2 kept away from sample cell 3 bottom is equipped with swing handle 5, and swing handle 5 and guide shaft 2 adopt detachable connected mode such as threaded connection or buckle connection, specifically, according to the demand of manual rotation or automatic revolution, can choose for use the swing handle 5 of centre gripping of being convenient for such as cylindric, quadrangular form, hexagonal prism form.

Preferably, the long-neck funnel 1 is made of a stainless steel material.

Preferably, the guide shaft 2 is made of stainless steel material.

Compare long neck funnel 1 and the guide axle 2 that adopt the glass material to make, adopt stainless steel material can avoid scraping between long neck funnel 1 and the guide axle 2 to bump and cause the damage, the reliability is higher.

Preferably, the long-neck funnel 1 is made of polyethylene material.

Preferably, the guide shaft 2 is made of polyethylene material.

Compare and adopt the glass material, long-neck funnel 1 and guide shaft 2 that adopt the polyethylene material to make not only can avoid scraping between long-neck funnel 1 and the guide shaft 2 to bump and cause the damage, and the reliability is higher, and its coefficient of friction is lower moreover, advances kind more smoothly. Compared with stainless steel materials, the long-neck funnel 1 and the material guide shaft 2 made of polyethylene materials have better light transmission, a user can observe the sample feeding condition conveniently, and the processing method is simpler.

Preferably, the neck 12 is integrally formed with the funnel 11.

It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.

Claims

1. The utility model provides a solid powder sampling device for specific surface area analysis appearance which characterized in that includes:

2. The solid powder sampling device of claim 1, further comprising a fixing component, wherein the fixing component is disposed at the top of the long-neck funnel, the fixing component comprises a movable ring and a fixing support, the movable ring and the fixing support are rotatably connected to the center of the fixing support, the fixing support is detachably connected to the long-neck funnel, the movable ring and the material guide shaft are detachably connected to enable the central axis of the material guide shaft to coincide with the central axis of the long-neck funnel.

3. The solid powder sample introduction device for the specific surface area analyzer according to claim 1, wherein a rotary handle is arranged at one end of the material guide shaft, which is far away from the bulb at the bottom of the sample tube.

4. The solid powder sample introduction device for the specific surface area analyzer as claimed in claim 3, wherein the handle is detachably connected to the material guide shaft.

5. The solid powder sample feeding device for the specific surface area analyzer as claimed in claim 1, wherein the long-neck funnel is made of polyethylene material.

6. The solid powder sample introduction device for the specific surface area analyzer according to claim 1, wherein the long-neck funnel is made of a stainless steel material.

7. The solid powder sample introduction device for the specific surface area analyzer according to claim 5 or 6, wherein the neck is integrally formed with the funnel.

8. The solid powder sample introduction device for the specific surface area analyzer as claimed in claim 1, wherein the guide shaft is made of polyethylene material.

9. The solid powder sample introduction device for the specific surface area analyzer as claimed in claim 1, wherein the guide shaft is made of a stainless steel material.