CN-224199366-U - Culture medium split charging device

Abstract

The utility model discloses a culture medium split charging device, and relates to the technical field of culture medium split charging. The peristaltic pump structurally comprises a peristaltic pump, a rubber hose, a trigger switch, a suction catheter, a split charging catheter, a fixed frame and a split charging catheter mounting seat, wherein the suction catheter and the split charging catheter are arranged at two ends of the rubber hose, the rubber hose is arranged on the peristaltic pump, and the split charging catheter mounting seat is arranged on the fixed frame in a clamping mode through bolts and nuts. The peristaltic pump is controlled to start and stop by adopting the trigger switch, an operator can start the peristaltic pump to carry out split charging and pipetting only by manually touching the trigger switch, the operation is simple and convenient, the split charging efficiency is improved, the peristaltic pump has a quantitative metering function, the fixed output quantity can be preset each time, the peristaltic pump pumps according to the set liquid quantity after the trigger switch is pressed in the split charging and pipetting process, the liquid quantity automatically stops after the set liquid quantity reaches the set value, the liquid quantity of the split charging culture medium each time is ensured to be stable and consistent, and the accurate requirement of a molecular biological experiment on the split charging quantity of the culture medium is met.

Inventors

• PAN LIANHONG
• ZHOU XINXIN
• PANG YI
• Luo jiao
• FU HAIRONG

Assignees

• 重庆三峡医药高等专科学校

Dates

Publication Date

20260505

Application Date

20250522

Claims (6)

1. 1. A culture medium dispenser, characterized by: The peristaltic pump comprises a peristaltic pump (1), a rubber hose (2), a trigger switch (3), a suction catheter (4) and a split charging catheter (5) which are arranged at two ends of the rubber hose (2), a fixed frame (6) and a split charging catheter mounting seat (7), wherein the rubber hose (2) is arranged on the peristaltic pump (1); The split charging conduit installation seat (7) is clamped and installed on the fixed frame (6) through bolts and nuts (8); The trigger switch (3) is arranged on the split charging conduit installation seat (7), the split charging conduit (5) is arranged on the split charging conduit installation seat (7) in a penetrating mode, and the trigger switch (3) is connected with the peristaltic pump (1) through a signal line.
2. 2. The culture medium split charging device according to claim 1, wherein the fixed frame (6) comprises a rectangular base (61), a rectangular vertical plate (62) is fixed on the upper surface of one end part of the rectangular base (61), two rectangular plate bodies (63) which are arranged in parallel are vertically fixed at the upper end of the rectangular vertical plate (62), a waisted through hole (64) which is arranged along the length direction of the side surface middle part of each rectangular plate body (63) is formed in the middle of each rectangular plate body, and the bolt and the nut (8) penetrate through the waisted through hole (64) to be mounted on the two rectangular plate bodies (63) in a clamping mode.
3. 3. The culture medium split charging device according to claim 2, wherein the split charging guide pipe mounting seat (7) comprises a rectangular block (71), a through hole (72) horizontally arranged and matched with the bolt and nut (8) is formed in the middle of the rectangular block (71), a step through hole (73) vertically arranged at one end of the rectangular block (71) far away from the rectangular vertical plate (62) and used for being inserted and mounted with the split charging guide pipe (5), a mounting groove (74) used for mounting the trigger switch (3) is formed in the lower surface of one end of the rectangular block (71) adjacent to the rectangular vertical plate (62), and a threading hole (75) communicated with the mounting groove (74) is formed in the upper end of the rectangular block (71).
4. 4. The culture medium split charging device according to claim 3, wherein a row of semicircular grooves (65) are formed in the upper ends of the two rectangular plate bodies (63), cylindrical heads (76) matched with the semicircular grooves (65) are fixed on two side surfaces of the middle of each rectangular block (71), and the cross section of each through hole (72) is of a fan-shaped structure.
5. 5. The culture medium split charging device according to claim 1, wherein the suction catheter (4) comprises an L-shaped pipe body (41), a first limiting ring (42) is arranged on the pipe wall of the L-shaped pipe body (41) positioned at the corner, and a C-shaped groove (43) is formed in the lower end wall of the L-shaped pipe body (41).
6. 6. A culture medium split charging device according to claim 3, wherein the split charging guide pipe (5) comprises a circular pipe body (51), and a second limiting ring (52) is fixed on the outer wall of the upper end part of the circular pipe body (51).

Description

Culture medium split charging device Technical Field The utility model belongs to the technical field of culture medium split charging, and particularly relates to a culture medium split charging device. Background In the field of molecular biology, transfer and sub-packaging of culture media is a common and important procedure. The traditional culture medium split charging mode often has a plurality of defects. On the one hand, the control of the split charging amount is not accurate enough, the experience and the manual operation of operators are generally relied on, the consistent amount of the culture medium in each split charging is difficult to ensure, and for some molecular biological experiments with strict requirements on the use amount of the culture medium, inaccuracy and unrepeatability of experimental results can be caused. On the other hand, the operation process is more complicated, the efficiency is low, an operator is required to concentrate on the split charging operation for a long time, fatigue is easy to generate, and the risk of inaccurate split charging amount is further increased. Therefore, research and development of the culture medium split charging device which can accurately and quantitatively split charging, is convenient to operate, has strong adaptability, is sanitary and safe, and has important practical significance. Disclosure of utility model The utility model aims to provide a culture medium split charging device, which realizes accurate quantitative split charging through the coordination of peristaltic pump quantitative metering and a trigger switch, and has reasonable component design, strong adaptability with adjustable angle and high emphasis on sanitation and safety guarantee. In order to solve the technical problems, the utility model is realized by the following technical scheme: The utility model discloses a culture medium split charging device which comprises a peristaltic pump, a rubber hose, a trigger switch, a suction catheter, a split charging catheter, a fixed frame and a split charging catheter mounting seat, wherein the suction catheter and the split charging catheter are arranged at two ends of the rubber hose, the rubber hose is arranged on the peristaltic pump, the split charging catheter mounting seat is arranged on the fixed frame in a clamping mode through bolts and nuts, the trigger switch is arranged on the split charging catheter mounting seat, the split charging catheter is arranged on the split charging catheter mounting seat in a penetrating mode, and the trigger switch is connected with the peristaltic pump through a signal wire. According to the preferable technical scheme, the fixing frame comprises a rectangular base, a rectangular vertical plate is fixed on the upper surface of one end portion of the rectangular base, two rectangular plate bodies which are arranged in parallel are vertically fixed at the upper end of the rectangular vertical plate, a waisted through hole which is arranged along the length direction of the side face of each rectangular plate body is formed in the middle of the side face of each rectangular plate body, and a bolt and a nut penetrate through the waisted through hole to be mounted on each rectangular plate body in a clamping mode. According to the preferable technical scheme, the split charging guide pipe mounting seat comprises a rectangular block, a through hole which is horizontally arranged and matched with the bolt and the nut is formed in the middle of the rectangular block, a step through hole which is vertically arranged at one end of the rectangular block, which is far away from the rectangular vertical plate, for inserting and mounting the split charging guide pipe, a mounting groove for mounting the trigger switch is formed in the lower surface of one end of the rectangular block, which is adjacent to the rectangular vertical plate, and a threading hole which is communicated with the mounting groove is formed in the upper end of the rectangular block. As a preferable technical scheme, a row of semicircular grooves are formed in the upper ends of two rectangular plate bodies, cylindrical heads matched with the semicircular grooves are fixed on two side faces of the middle of each rectangular block, and the cross section of each through hole is of a fan-shaped structure. As an optimal technical scheme, the suction catheter comprises an L-shaped pipe body, wherein a first limiting ring is arranged on the pipe wall of the L-shaped pipe body, which is positioned at a corner, and a C-shaped notch is formed in the lower end wall of the L-shaped pipe body. As a preferable technical scheme of the utility model, the split charging catheter comprises a circular tube body, and a second limiting ring is fixed on the outer wall of the upper end part of the circular tube body. The utility model has the following beneficial effects: According to the utility model, the peristaltic pump has a quantitative metering