CN215439614U - Liquid raw and auxiliary material taking device for research and development laboratory - Google Patents

Abstract

The utility model discloses a liquid raw and auxiliary material taking device for research and development laboratories, and relates to the technical field of laboratory taking devices. The utility model has simple structure and convenient operation, the material taking is not limited by the viscosity of the material in the pumped material barrel and the amount of the material, the material taking difficulty is greatly reduced, meanwhile, the condition of liquid drop splashing does not exist in the material taking, and the operation process is safe and environment-friendly.

Description

Liquid raw and auxiliary material taking device for research and development laboratory

Technical Field

The utility model relates to the technical field of laboratory material taking devices, in particular to a liquid raw and auxiliary material taking device for a research and development laboratory.

Background

When carrying out the experiment of little examination synthesis in pharmaceutical chemical industry laboratory, can often use various liquid raw and auxiliary materials, the method that has now to raw and auxiliary materials extraction is to select aurilave and drawing pipe, utilizes the liquid level difference in height to realize extracting raw and auxiliary materials through the principle of siphon, but when raw liquid bucket liquid remained few, just can't adopt siphon phenomenon and difference in height to get the material.

Through retrieval, chinese patent No. CN210545197U, publication No. 2020, 05 and 19 of 2020, 19, discloses a convenient material taking device for liquid materials in research and development laboratories, and it is proposed that "a receiving bottle is installed on the top of an installation seat, the receiving bottle is specifically a hard three-mouth round-bottom flask, an air suction joint with a throttle degree, a straight air suction joint with a throttle degree and a solid rubber stopper with a conduit are sequentially installed at an outlet of the receiving bottle, and one end of the solid rubber stopper with a conduit, which is far away from the receiving bottle, is provided with a material suction elbow" device for taking materials by using a high hydraulic pressure difference, which is difficult in material taking and low in efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a liquid raw and auxiliary material taking device for a research and development laboratory, and aims to solve the problems of high material taking difficulty and low efficiency of the conventional device in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme: a liquid raw and auxiliary material taking device in a research and development laboratory comprises a vacuum pump, a bottle support, a lifting structure, a fixing structure and a liquid pumping structure, wherein the lifting structure is convenient for liquid in a material pumping pipe to automatically flow back, the fixing structure is used for preventing the material pumping pipe and a glass guide pipe from falling off, and the liquid pumping structure is used for improving the working efficiency;

a single-mouth round-bottom flask is placed in a groove at the top end of the bottle support, a vacuum tail connecting pipe is installed at the top end of the single-mouth round-bottom flask, a rubber plug with a hole is installed at the top end of the vacuum tail connecting pipe, a glass guide pipe is arranged inside the rubber plug with the hole, one end of the glass guide pipe penetrates through the rubber plug with the hole and extends into the vacuum tail connecting pipe, a material pumping pipe is installed at the other end of the glass guide pipe penetrates through the rubber plug with the hole and extends out of the rubber plug with the hole, and the lifting structure is arranged at the top of one side of the bottle support;

a supporting plate is arranged at one end of the top end of the bottle support, a circular plate is arranged at one end of the supporting plate, and the fixing structure is arranged at one end, away from the rubber plug with the hole, of the circular plate;

the liquid pumping structure is arranged on one side of the bottle support, which is far away from the material pumping pipe.

Preferably, the liquid pumping structure further comprises a vacuum pump, the vacuum pump is arranged on one side of the bottle support far away from the pumping pipe, an air pumping port is arranged above one side of the vacuum pump close to the bottle support, an air pumping port is arranged at the bottom of one side of the vacuum tail connecting pipe close to the vacuum pump, and the air pumping port is connected with the air pumping port through the pumping pipe.

Preferably, the size of the bottle body of the single-mouth round-bottom flask is matched with the groove of the bottle support, and the ground mouth size of the single-mouth round-bottom flask is matched with the ground mouth size of the lower end of the vacuum tail connecting pipe.

Preferably, the size of a ground opening at the upper end of the vacuum tail connecting pipe is matched with the size of the rubber plug with the hole, and the outer diameter of the glass guide pipe is matched with the inner diameter of the material pumping pipe.

Preferably, the lifting structure comprises fixed case, guide pulley, commentaries on classics head, lead screw, fixed block, thread piece and bracing piece, the fixed block sets up in the bottle holds in the palm the top of keeping away from vacuum pump one side, fixed case is installed on the top of fixed block, the inside central point department of fixed block installs the lead screw, and the one end of lead screw runs through the fixed block and extends to inside the fixed case, the bottom of lead screw runs through the fixed block and installs the commentaries on classics head, the intermediate position department cover of lead screw outer wall is equipped with the thread piece, the thread piece is kept away from one side of bottle support and is installed the bracing piece, and the bracing piece runs through the fixed case and extends to the outside of fixed case, the guide pulley is installed on the top of bracing piece.

Preferably, the length of the supporting rod is the same as that of the fixed box, and the fixed box is in sliding connection with the material pumping pipe.

Preferably, fixed knot constructs by fixed plate, thread bush, two-way threaded rod, knob and splint and constitutes, the fixed plate sets up in the plectane and keeps away from one side of foraminiferous rubber stopper one end, the inside of fixed plate is vertical through the bearing and is installed two-way threaded rod, and, the top of two-way threaded rod runs through the fixed plate through the pivot and installs the knob, the outer wall at two-way threaded rod both ends all overlaps and is equipped with the thread bush, and the thread bush is close to the one end of plectane and all installs splint, the one end of splint all runs through fixed plate and plectane and extends to the outside of plectane.

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

1. the utility model provides a material pumping pipe, a glass conduit, a vacuum tail connecting pipe, a gas pumping interface, a gas pumping pipe, a vacuum pump, a gas pumping hole and a rubber plug with a hole, wherein the vacuum pump is used for pumping away air in a single-mouth round-bottom flask through the gas pumping hole, the gas pumping pipe and the gas pumping interface to form vacuum negative pressure, so that raw and auxiliary materials in a material pumping barrel are conveyed to the inside of the single-mouth round-bottom flask, and the purpose of taking the raw and auxiliary materials is achieved;

2. the utility model provides a fixed box, a guide wheel, a rotating head, a screw rod, a fixed block, a thread block and a support rod, wherein the rotating head is rotated to drive the screw rod to rotate, then the thread block drives the fixed box to move up and down through the support rod, and finally the height of one end, close to a glass guide tube, of a material pumping pipe is lifted through the guide wheel;

3. the utility model provides a fixing plate, a threaded sleeve, a bidirectional threaded rod, a knob, a clamping plate, a circular plate and a supporting plate.

Drawings

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

FIG. 2 is a schematic side view of the cross-sectional structure of the present invention;

FIG. 3 is a schematic view of a partial top cross-sectional structure of the present invention;

FIG. 4 is an enlarged front view of the fixing structure of the present invention;

FIG. 5 is an enlarged view of A in FIG. 2 according to the present invention.

In the figure: 1. a material pumping pipe; 2. a lifting structure; 201. a fixed box; 202. a guide wheel; 203. turning the head; 204. a screw rod; 205. a fixed block; 206. a thread block; 207. a support bar; 3. a glass conduit; 4. a fixed structure; 401. a fixing plate; 402. a threaded sleeve; 403. a bidirectional threaded rod; 404. a knob; 405. a splint; 5. a circular plate; 6. a support plate; 7. a vacuum tail pipe; 8. an air extraction interface; 9. an air exhaust pipe; 10. a vacuum pump; 11. an air extraction opening; 12. a bottle holder; 13. a single-neck round-bottom flask; 14. a rubber plug with a 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.

Example 1: referring to fig. 1-5, a liquid raw and auxiliary material taking device in a research and development laboratory comprises a vacuum pump 10, a bottle holder 12, a lifting structure 2 for facilitating the self-backflow of liquid in a pumping pipe 1, a fixing structure 4 for preventing the pumping pipe 1 and a glass conduit 3 from falling off, and a liquid pumping structure for improving the working efficiency;

a single-mouth round-bottom flask 13 is placed in a groove at the top end of a bottle holder 12, a vacuum tail connecting pipe 7 is installed at the top end of the single-mouth round-bottom flask 13, a rubber plug 14 with a hole is installed at the top end of the vacuum tail connecting pipe 7, a glass guide pipe 3 is arranged inside the rubber plug 14 with the hole, one end of the glass guide pipe 3 penetrates through the rubber plug 14 with the hole and extends into the vacuum tail connecting pipe 7, a material pumping pipe 1 is installed at the other end of the glass guide pipe 3 penetrates through the rubber plug 14 with the hole and extends out of the rubber plug 14 with the hole, and a lifting structure 2 is arranged at the top of one side of the bottle holder 12;

a support plate 6 is arranged at one end of the top end of the bottle holder 12, a circular plate 5 is arranged at one end of the support plate 6, and a fixing structure 4 is arranged at one end, far away from the rubber plug 14 with the hole, of the circular plate 5;

the liquid pumping structure is arranged on one side of the bottle support 12 far away from the material pumping pipe 1;

referring to fig. 1-5, the liquid raw and auxiliary material taking device for the research and development laboratory further comprises a liquid pumping structure, the liquid pumping structure comprises a vacuum pump 10, the vacuum pump 10 is arranged on one side of the bottle support 12 far away from the material pumping pipe 1, an air pumping port 11 is arranged above one side of the vacuum pump 10 close to the bottle support 12, an air pumping interface 8 is arranged at the bottom of one side of the vacuum tail pipe 7 close to the vacuum pump 10, and the air pumping interface 8 is connected with the air pumping port 11 through an air pumping pipe 9;

the size of a bottle body of the single-mouth round-bottom flask 13 is matched with the groove of the bottle holder 12, and the ground mouth size of the single-mouth round-bottom flask 13 is matched with the ground mouth size of the lower end of the vacuum tail pipe 7;

the size of a ground opening at the upper end of the vacuum tail connecting pipe 7 is matched with the size of the rubber plug 14 with the hole, and the outer diameter size of the glass guide pipe 3 is matched with the inner diameter size of the material pumping pipe 1;

specifically, as shown in fig. 1 and fig. 3, the vacuum pump 10 is used for pumping away air inside the single-neck round-bottom flask 13 through the pumping hole 11, the pumping pipe 9 and the pumping port 8 to form vacuum negative pressure, so that the raw and auxiliary materials in the pumping barrel are conveyed to the inside of the single-neck round-bottom flask 13 through the pumping pipe 1, the glass conduit 3 and the vacuum connecting tube 7 in sequence, and the purpose of raw and auxiliary material taking is achieved.

Example 2: the lifting structure 2 comprises a fixed box 201, a guide wheel 202, a rotary head 203, a screw rod 204, a fixed block 205, a thread block 206 and a support rod 207, wherein the fixed block 205 is arranged at the top of one side of the bottle support 12 far away from the vacuum pump 10, the fixed box 201 is arranged at the top end of the fixed block 205, the screw rod 204 is arranged at the central position inside the fixed block 205, one end of the screw rod 204 penetrates through the fixed block 205 and extends into the fixed box 201, the rotary head 203 is arranged at the bottom end of the screw rod 204 through the fixed block 205, the thread block 206 is sleeved at the middle position of the outer wall of the screw rod 204, the support rod 207 is arranged at one side of the thread block 206 far away from the bottle support 12, the support rod 207 penetrates through the fixed box 201 and extends to the outside of the fixed box 201, and the guide wheel 202 is arranged at the top end of the support rod 207;

the length of the supporting rod 207 is the same as that of the fixed box 201, and the fixed box 201 is in sliding connection with the material pumping pipe 1;

specifically, as shown in fig. 1, fig. 2 and fig. 3, the screw 204 is driven to rotate by rotating the rotating head 203, then the screw block 206 drives the fixed box 201 to move up and down by the supporting rod 207, and finally the height of the end of the pumping pipe 1 close to the glass conduit 3 is raised above the liquid level of the pumping barrel by the guide wheel 202, when the vacuum pump 10 is turned off after pumping is finished, a part of liquid in the pumping pipe 1 continues to flow into the inside of the single-neck round-bottom flask 13 due to the height difference, and the other part of the remaining liquid can flow back to the pumped barrel by itself.

Example 3: the fixing structure 4 comprises a fixing plate 401, a threaded sleeve 402, a bidirectional threaded rod 403, a knob 404 and a clamping plate 405, the fixing plate 401 is arranged on one side of one end, away from the rubber plug 14 with the hole, of the circular plate 5, the bidirectional threaded rod 403 is vertically arranged inside the fixing plate 401 through a bearing, the top end of the bidirectional threaded rod 403 penetrates through the fixing plate 401 through a rotating shaft and is provided with the knob 404, the threaded sleeves 402 are sleeved on the outer walls of the two ends of the bidirectional threaded rod 403, the clamping plate 405 is arranged at one end, close to the circular plate 5, of each threaded sleeve 402, and one end of each clamping plate 405 penetrates through the fixing plate 401 and the circular plate 5 and extends to the outside of the circular plate 5;

specifically, as shown in fig. 1, fig. 2, fig. 4 and fig. 5, the knob 404 is rotated to drive the two-way threaded rod 403 to rotate, so that the threaded sleeve 402 drives the clamping plate 405 to move up and down, and the clamping plate 405 clamps the connection between the pumping pipe 1 and the glass conduit 3, so that the pumping pipe 1 and the glass conduit 3 are connected more firmly, and the pumping pipe 1 and the glass conduit 3 are prevented from being sent and falling off in the material taking process.

The working principle is as follows: when the device is used, firstly, a single-neck round-bottom flask 13 is placed in a groove in a bottle holder 12, then, the bottom end of a vacuum tail pipe 7 is fixedly connected with the top end of the single-neck round-bottom flask 13, then, a glass conduit 3 is inserted into a rubber plug 14 with a hole, the rubber plug 14 with the hole is inserted into the top end of the vacuum tail pipe 7, an air suction interface 8 and an air suction opening 11 are connected and fixed through an air suction pipe 9, and finally, an air suction pipe 1 is connected with the glass conduit 3;

the first innovation point implementation step:

the first step is as follows: the knob 404 is rotated to drive the bidirectional threaded rod 403 to rotate;

the second step is that: so that the threaded sleeve 402 drives the clamping plate 405 to move up and down;

a third part: the junction of the draw tube 1 and the glass conduit 3 is clamped by the clamping plate 405.

The implementation step of the second innovation point:

the first step is as follows: the rotating head 203 is rotated to drive the screw rod 204 to rotate;

the second step is that: so that the thread block 206 drives the fixing box 201 to move up and down through the supporting rod 207;

the third step: the height of the pumping pipe 1 close to one end of the glass guide pipe 3 is raised by the guide wheel 202 to exceed the height of the liquid in the pumping barrel.

The third innovation point implementation step:

the first step is as follows: energizing the vacuum pump 10 and turning on the vacuum pump 10;

the second step is that: air in the single-neck round-bottom flask 13 is pumped away through the air pumping port 11, the air pumping pipe 9 and the air pumping interface 8 to form vacuum negative pressure;

the third step: so that the raw and auxiliary materials in the material pumping barrel are conveyed to the inside of the single-mouth round-bottom flask 13 through the material pumping pipe 1, the glass conduit 3 and the vacuum tail pipe 7 in sequence.

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 (7)

1. The utility model provides a research and development laboratory liquid raw and auxiliary materials extracting device, includes vacuum pump (10) and bottle support (12), its characterized in that: the glass tube drawing device also comprises a lifting structure (2) which is convenient for liquid in the drawing tube (1) to automatically flow back, a fixing structure (4) which prevents the drawing tube (1) and the glass tube (3) from falling off, and a liquid drawing structure which improves the working efficiency;

a single-mouth round-bottom flask (13) is placed in a groove in the top end of the bottle support (12), a vacuum tail connecting pipe (7) is installed at the top end of the single-mouth round-bottom flask (13), a perforated rubber plug (14) is installed at the top end of the vacuum tail connecting pipe (7), a glass guide pipe (3) is arranged inside the perforated rubber plug (14), one end of the glass guide pipe (3) penetrates through the perforated rubber plug (14) and extends into the vacuum tail connecting pipe (7), a material pumping pipe (1) is installed outside the perforated rubber plug (14) and extends through the other end of the glass guide pipe (3), and the lifting structure (2) is arranged at the top of one side of the bottle support (12);

a support plate (6) is mounted at one end of the top end of the bottle support (12), a circular plate (5) is mounted at one end of the support plate (6), and the fixing structure (4) is arranged at one end, far away from the rubber plug (14) with the hole, of the circular plate (5);

the liquid pumping structure is arranged on one side of the bottle support (12) far away from the material pumping pipe (1).

2. The research and development laboratory liquid raw material auxiliary material taking device as claimed in claim 1, wherein: the liquid pumping structure further comprises a vacuum pump (10), the vacuum pump (10) is arranged on one side, away from the material pumping pipe (1), of the bottle support (12), an air pumping opening (11) is formed in the upper portion, close to one side of the bottle support (12), of the vacuum pump (10), an air pumping interface (8) is arranged at the bottom, close to one side of the vacuum pump (10), of the vacuum tail connecting pipe (7), and the air pumping interface (8) is connected with the air pumping opening (11) through an air pumping pipe (9).

3. The research and development laboratory liquid raw material auxiliary material taking device as claimed in claim 1, wherein: the size of the bottle body of the single-mouth round-bottom flask (13) is matched with the groove of the bottle holder (12), and the ground mouth size of the single-mouth round-bottom flask (13) is matched with the ground mouth size of the lower end of the vacuum tail connecting pipe (7).

4. The research and development laboratory liquid raw material auxiliary material taking device as claimed in claim 1, wherein: the size of a ground opening at the upper end of the vacuum tail connecting pipe (7) is matched with the size of the rubber plug (14) with the hole, and the outer diameter size of the glass guide pipe (3) is matched with the inner diameter size of the material pumping pipe (1).

5. The research and development laboratory liquid raw material auxiliary material taking device as claimed in claim 1, wherein: the lifting structure (2) consists of a fixed box (201), a guide wheel (202), a rotating head (203), a screw rod (204), a fixed block (205), a thread block (206) and a supporting rod (207), the fixed block (205) is arranged at the top of one side, away from the vacuum pump (10), of the bottle support (12), the fixed box (201) is installed at the top end of the fixed block (205), the screw rod (204) is installed at the central position inside the fixed block (205), one end of the screw rod (204) penetrates through the fixed block (205) and extends to the inside of the fixed box (201), the rotating head (203) is installed at the bottom end of the screw rod (204) by penetrating through the fixed block (205), the thread block (206) is sleeved at the middle position of the outer wall of the screw rod (204), the supporting rod (207) is installed at one side, away from the bottle support (12), of the thread block (206), and the supporting rod (207) penetrates through the fixed box (201) and extends to the outside of the fixed box (201), and a guide wheel (202) is arranged at the top end of the supporting rod (207).

6. The research and development laboratory liquid raw material auxiliary material taking device according to claim 5, characterized in that: the length of the supporting rod (207) is the same as that of the fixed box (201), and the fixed box (201) is connected with the material pumping pipe (1) in a sliding mode.

7. The research and development laboratory liquid raw material auxiliary material taking device as claimed in claim 1, wherein: fixed knot constructs (4) and comprises fixed plate (401), thread bush (402), two-way threaded rod (403), knob (404) and splint (405), fixed plate (401) set up in one side of keeping away from foraminiferous rubber stopper (14) one end in plectane (5), the inside of fixed plate (401) is through the vertical two-way threaded rod (403) of installing of bearing, and, the top of two-way threaded rod (403) runs through fixed plate (401) through the pivot and installs knob (404), the outer wall at two-way threaded rod (403) both ends all overlaps and is equipped with thread bush (402), and splint (405) are all installed to the one end that thread bush (402) is close to plectane (5), the outside that fixed plate (401) and plectane (5) and extend to plectane (5) is all run through to the one end of splint (405).

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