CN216955389U - Liquid filling device for medical experiment - Google Patents
Liquid filling device for medical experiment Download PDFInfo
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- CN216955389U CN216955389U CN202123340078.2U CN202123340078U CN216955389U CN 216955389 U CN216955389 U CN 216955389U CN 202123340078 U CN202123340078 U CN 202123340078U CN 216955389 U CN216955389 U CN 216955389U
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Abstract
The utility model discloses a liquid filling device for medical experiments, which comprises a frame, a guide rail arranged at the bottom of the frame, and a sliding block arranged on the guide rail, wherein the guide rail is provided with a plurality of grooves; a cavity with an upper opening is formed in the sliding block, a bottle body used for containing the experimental dye solution is vertically and upwardly inserted into the cavity, and a pressing type liquid pumping check valve is arranged at the bottle mouth of the bottle body in a sealing mode; a cam mechanism is arranged on the frame above the pressing type liquid pumping check valve and is used for driving a valve rod of the pressing type liquid pumping check valve to move up and down so as to discharge the experimental dye liquor in the bottle body from a valve port; the frame is provided with a liquid injection port, the liquid injection port is used for injecting experimental dye liquid to the sample container, and the liquid injection port is communicated with the valve port through a hose and a pipe joint. According to the utility model, the rotating speed of the cam is finely controlled by the stepping motor, so that the valve rod moves up and down according to the designed cam profile shape, the filling pressure, the flow speed and the flow of liquid are controlled according to the preset requirements, the degree of automation is high, and the dyeing stability and the dyeing consistency are improved.
Description
Technical Field
The utility model relates to a sample dyeing experiment of a medical experiment, in particular to a liquid filling device for the medical experiment.
Background
During the dyeing operation of medical experiment sample, the dyeing liquid is filled mainly by manual operation: 1. a liquid transfer gun is adopted to suck liquid from a bottle, then the liquid is filled, and the liquid is matched with a hand and an eye to enable the liquid to uniformly cover a target area; 2. the bottle containing the liquid is inverted, the bottle is directly squeezed to fill the liquid from the bottle opening, and the liquid is uniformly covered on a target area through hand-eye fit. Above-mentioned operation has operation step complex operation, extravagant manpower and with dangerous liquid direct contact, has chemical hazard risk. The other way is that the pump is matched with the electromagnetic valve, and liquid filling is completed through the spray head, so that the cost is higher, and the defects of easy blockage of the spray head, high maintenance difficulty and low filling control precision exist.
Disclosure of Invention
The utility model aims to provide a liquid filling device for medical experiments, which has high filling amount automatic control precision.
In order to achieve the purpose, the utility model can adopt the following technical scheme:
the liquid filling device for the medical experiment comprises a frame, a guide rail arranged at the bottom of the frame and a sliding block arranged on the guide rail; a cavity with an upper opening is formed in the sliding block, a bottle body used for containing the experimental dye solution is vertically and upwardly inserted into the cavity, and a pressing type liquid pumping check valve is arranged at the bottle mouth of the bottle body in a sealing mode; a cam mechanism is arranged on the frame above the pressing type liquid pumping check valve and is used for driving a valve rod of the pressing type liquid pumping check valve to move up and down so as to discharge the experimental dye liquor in the bottle body from a valve port; the frame is provided with a liquid injection port, the liquid injection port is used for injecting experimental dye liquid to the sample container, and the liquid injection port is communicated with the valve port through a hose and a pipe joint.
Preferably, the cam mechanism consists of a stepping motor and a cam, a power output shaft of the stepping motor is fixedly connected with a rotation center of the cam, and the outer edge of the cam is in sliding contact with the top surface of the valve rod.
Further, the stepping motor is fixedly arranged on a support plate, and the support plate is fixedly arranged on the frame through a vertical hole and a bolt on the support plate; the vertical hole and the bolt are used for adjusting the mounting height of the supporting plate, and further adjusting the height between the cam rotation center and the top surface of the valve rod.
The utility model has the advantages that the rotating speed of the cam is finely controlled by the stepping motor, so that the valve rod moves up and down according to the designed cam profile shape, the filling pressure, the flow speed and the flow of the liquid are controlled according to the preset requirements, the degree of automation is high, and the dyeing stability and the dyeing consistency are improved.
Drawings
Fig. 1 is a schematic structural view of the present invention.
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.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
In the present invention, unless otherwise explicitly stated or limited, the terms "connected", "fixed", and the like are to be understood broadly, for example, "fixed" may be fixedly connected, may be detachably connected, or may be integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be interconnected within two elements or in a relationship where two elements interact with each other unless otherwise specifically limited. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
As shown in fig. 1, the liquid filling apparatus for medical experiment according to the present invention comprises a frame 1, a guide rail 2 disposed at the bottom of the frame 1, and a slider 3 disposed on the guide rail 2; a cavity with an upper opening is formed in the sliding block 3, a bottle body 4 for containing the experimental dye solution is vertically and upwardly inserted into the cavity, and a pressing type liquid pumping check valve 5 is hermetically arranged at the bottle mouth of the bottle body 4; a cam mechanism for driving a valve rod 6 of the pressing type liquid pumping check valve 5 to move up and down is arranged above the pressing type liquid pumping check valve 5 on the frame 1; the cam mechanism is used for discharging the experimental dye liquor in the bottle body 4 from the valve port.
The cam mechanism consists of a stepping motor 7 and a cam 8, a power output shaft of the stepping motor 7 is fixedly connected with the rotation center of the cam 8, and the outer edge of the cam is in sliding contact with the top surface of the valve rod 6.
The frame 1 is provided with a liquid filling port 12, the liquid filling port 12 is used for filling experimental dye liquid on a sample container (such as a glass slide), and the liquid filling port 12 is communicated with the valve port through a hose 13 and a pipe joint.
The stepping motor 7 is fixedly arranged on a support plate 9, and the support plate 9 is fixedly arranged on the frame 1 through a vertical hole 10 and a bolt and nut pair 11 on the support plate. The bolt and nut pair 11 is used for adjusting the installation height of the supporting plate 9, further adjusting the height between the rotation center of the cam 8 and the top surface of the valve rod 6, realizing that different heights correspond to different filling amounts, matching with a stepping motor to subdivide and control corresponding speeds, and adjusting filling pressure, liquid flow speed and flow rate to stably and accurately fill liquid to a specific area on a sample container at set pressure, and uniformly spread the liquid in a certain diameter range to achieve the purpose of filling.
Before a medical experiment begins, a stepping motor 7 rotates for a plurality of circles to drive a cam 8 to press a valve rod 6 of a liquid pumping check valve 5 to move up and down,
the filling hose 13 is stopped after being filled with liquid; when a carrier needs to be filled, for example, a slide is placed below the liquid filling port 12, the position is adjusted, the stepping motor 7 rotates for a circle to drive the cam to press the valve rod 6 of the liquid pumping check valve 5, liquid is stably and accurately filled into a specific area on the slide at a set pressure, and filling is completed.
After the liquid in the bottle body 4 is filled, the bottle body 4 can be pulled out through the slide block 3 on the guide rail 2, and the liquid is filled continuously after a new bottle body and a liquid-pumping check valve are replaced.
Claims (3)
1. A liquid filling device for medical experiments is characterized by comprising a frame, a guide rail arranged at the bottom of the frame and a sliding block arranged on the guide rail; a cavity with an upper opening is formed in the sliding block, a bottle body used for containing the experimental dye solution is vertically and upwardly inserted into the cavity, and a pressing type liquid pumping check valve is arranged at the bottle mouth of the bottle body in a sealing mode; a cam mechanism is arranged on the frame above the pressing type liquid pumping check valve and is used for driving a valve rod of the pressing type liquid pumping check valve to move up and down so as to discharge the experimental dye liquor in the bottle body from a valve port; the frame is provided with a liquid injection port, the liquid injection port is used for injecting experimental dye liquid to the sample container, and the liquid injection port is communicated with the valve port through a hose and a pipe joint.
2. The liquid filling apparatus for medical experiments according to claim 1, wherein: the cam mechanism is composed of a stepping motor and a cam, a power output shaft of the stepping motor is fixedly connected with a cam rotation center, and the outer edge of the cam is in sliding contact with the top surface of the valve rod.
3. The liquid filling apparatus for medical experiments according to claim 2, wherein: the stepping motor is fixedly arranged on a support plate, and the support plate is fixedly arranged on the frame through a vertical hole and a bolt on the support plate; the vertical hole and the bolt are used for adjusting the mounting height of the supporting plate, and further adjusting the height between the cam rotation center and the top surface of the valve rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123340078.2U CN216955389U (en) | 2021-12-29 | 2021-12-29 | Liquid filling device for medical experiment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123340078.2U CN216955389U (en) | 2021-12-29 | 2021-12-29 | Liquid filling device for medical experiment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216955389U true CN216955389U (en) | 2022-07-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123340078.2U Active CN216955389U (en) | 2021-12-29 | 2021-12-29 | Liquid filling device for medical experiment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216955389U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117000441A (en) * | 2023-08-15 | 2023-11-07 | 青岛市农业科学研究院(山东省农业科学院青岛市分院) | Pythium gracile detection equipment in chives |
-
2021
- 2021-12-29 CN CN202123340078.2U patent/CN216955389U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117000441A (en) * | 2023-08-15 | 2023-11-07 | 青岛市农业科学研究院(山东省农业科学院青岛市分院) | Pythium gracile detection equipment in chives |
| CN117000441B (en) * | 2023-08-15 | 2024-04-16 | 青岛市农业科学研究院(山东省农业科学院青岛市分院) | Pythium gracile detection equipment in chives |
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