Culture medium bottle capable of quantitatively taking liquid

Abstract

The utility model provides a culture medium bottle capable of taking liquid quantitatively, which relates to the technical field of culture medium bottles and comprises a base bottle body, and a quantitative pumping component is arranged at the top of the base bottle body. The quantitative pumping assembly comprises a bottle cap; when the quantitative pumping device is used, the quantitative pumping component is additionally arranged at the top of the culture base bottle for storing nutrient solution, and the internal thread block is rotated through friction, so that the positioning ring can be driven to synchronously move on the outer side of the pump rod when the internal thread block rotates along the outer surface of the threaded rod, and the quantitative pumping device can be conveniently used after an observation hole and a scale mark are determined to be overlapped. The abutting rod protruding out of the top of the pump rod limits the downward moving stroke of the pump head, the quantitative taking effect is achieved, the nutrient solution is sealed in the base bottle body in the taking process and does not make contact with external air, and the problems that in the background technology, when the nutrient solution is taken, a bottle opening needs to be opened many times, the internal nutrient solution makes contact with the external air, pollution is likely to happen, and the nutrient solution is difficult to take are solved. And the experiment result is influenced.

Description

Technical Field

[0001] The utility model relates to the technical field of culture medium bottles, in particular to a culture medium bottle capable of quantitatively taking liquid. Background Art

[0002] Bacterial culture fluid is an artificially prepared liquid medium used to cultivate bacteria. It provides the nutrients and environmental conditions necessary for bacterial growth and reproduction. Bacterial culture fluid is an important tool in microbiological research and clinical diagnosis. Proper preparation and use of bacterial culture fluid can provide suitable environmental conditions for bacterial growth and reproduction, thereby promoting the development of related research and applications.

[0003] In the existing technology, during the process of culturing bacteria, nutrient solution needs to be added in a quantitative manner, and a pipette is usually used to take the liquid. During the taking process, the bottle mouth needs to be opened multiple times, which can easily cause the internal nutrient solution to be contaminated after multiple contacts with the air. This will affect the growth rate and reproduction ability of the bacteria, and thus affect the experimental results. Therefore, it is necessary to propose a new type of culture medium bottle that can quantitatively take liquid. Utility Model Content

[0004] The utility model mainly provides a culture medium bottle capable of quantitatively taking liquid, which can avoid contamination caused by contact of bacterial nutrient solution with external air when the solution is taken.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical solutions: a culture medium bottle capable of quantitatively extracting liquid, comprising a base bottle body, a quantitative pumping assembly being arranged on the top of the base bottle body; a quantitative pumping assembly, the quantitative pumping assembly comprising a bottle cap, the inner surface of the bottle cap being threadedly rotatably connected to the outer surface of the base bottle body, the top of the bottle cap being fixedly connected to a pump rod, a pump head being arranged on the top of the pump rod, the pump rod and the pump head being connected, the outer surface of the pump rod being fixedly connected to a threaded rod, the outer surface of the threaded rod being threadedly rotatably connected to an internal threaded block, the outer surface of the internal threaded block being rotatably connected to a first connecting block, the outer surface of the first connecting block being fixedly connected to a positioning ring, the outer surface of the positioning ring being fixedly connected to a second connecting block at a position away from the first connecting block, and the top of the second connecting block being fixedly connected to a resistance rod.

[0006] Preferably, the bottom of the pump head is fixedly connected to a liquid outlet pipe, and a hose is provided on the outer surface of the liquid outlet pipe, so that when the culture fluid is quantitatively taken, it can be guided to the distribution device through the hose for use, thereby preventing the culture fluid from leaking when taken.

[0007] Preferably, a plurality of ring blocks are equidistantly arranged on the outer surface of the liquid outlet pipe, and the outer surface of the hose fits with the outer surfaces of the plurality of ring blocks, so that when the hose is connected to the liquid outlet pipe, the hose will deform and expand when it is sleeved on the surfaces of the plurality of ring blocks, thereby increasing the friction of the hose and preventing the hose from falling off easily after connection.

[0008] Preferably, the top of the base bottle body is fixedly connected with a hollow cylinder near the edge, and the outer surface of the hose is attached to the inner surface of the hollow cylinder near the bottom, so that when the hose is idle, the bottom of the hose can be inserted into the hollow cylinder for storage, avoiding contact of the bottom port of the hose with pollutants.

[0009] Preferably, the bottom of the pump rod is fixedly connected with a liquid suction tube, and the outer surface of the liquid suction tube is fixedly penetrated through the top of the bottle cap and extends into the base bottle body, so that when the pump head is pressed to take the culture solution, the culture solution in the base bottle body can be delivered through the long liquid suction tube.

[0010] Preferably, the positioning ring is located on the outer side of the pump rod, the inner surface of the positioning ring is attached to the outer surface of the pump rod, and the outer surface of the positioning ring is symmetrically provided with observation holes, so that when the inner threaded block and the threaded rod are threadedly rotated, the positioning ring moves up and down synchronously along the surface of the pump rod, playing a limiting role.

[0011] Preferably, the outer surface of the pump rod is symmetrically provided with scale lines, and the scale lines are matched with the observation holes, so that when the quantitative position is adjusted, the position can be determined by observing the overlapping position of the observation holes and the scale lines.

[0012] Compared with the prior art, the advantages and positive effects of the utility model are that,

[0013] 1. In the utility model, when in use, the quantitative pumping assembly is installed on the top of the culture base bottle storing the nutrient solution, the inner threaded block is rotated by friction, so that when the inner threaded block rotates along the outer surface of the threaded rod, the positioning ring moves synchronously on the outer side of the pump rod, the overlapping position of the observation holes and the scale lines is determined, the contact bar protruding from the top of the pump rod limits the downward stroke of the pump head, plays a role of quantitative taking, the nutrient solution is sealed in the base bottle body during taking and does not contact with the external air, and the problem that the internal nutrient solution is polluted after contacting with the external air due to the need of opening the bottle opening multiple times during taking of the nutrient solution in the background art is solved.

[0014] 2. In the utility model, when in use, a plurality of ring blocks are equidistantly arranged on the surface of the liquid outlet pipe, playing a role of preventing falling, avoiding falling of the hose during pulling, the hollow cylinder is fixedly connected with the top of the base bottle body, so that the bottom port of the hose can be inserted into the hollow cylinder during idling, playing a role of protection, preventing the liquid outlet port from being polluted, and being high in practicality. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 A perspective view of the culture base bottle capable of taking liquid quantitatively is provided for the utility model;

[0016] Figure 2The utility model provides a kind of quantitative pumping assembly structure schematic diagram of medium bottle of quantitative liquid taking;

[0017] Figure 3 The utility model provides a kind of part structure schematic diagram of medium bottle of quantitative liquid taking;

[0018] Figure 4 The utility model provides a kind of positioning ring structure schematic diagram of medium bottle of quantitative liquid taking;

[0019] Figure 5 The utility model provides a kind of base bottle body structure schematic diagram of medium bottle of quantitative liquid taking.

[0020] Legend: 1, base bottle body;2, quantitative pumping assembly;201, bottle cap;202, pump rod;203, pump head;204, scale line;205, threaded rod;206, internal thread block;207, first connecting block;208, positioning ring;209, second connecting block;210, abutting rod;211, liquid outlet pipe;212, ring block;213, observation hole;214, hose;215, pipette;3, hollow cylinder. Specific embodiments

[0021] In order to more clearly understand the above-mentioned purposes, features and advantages of the utility model, the utility model will be further described below in conjunction with the drawings and examples. It should be noted that the embodiments of the present application and the features in the examples can be combined with each other without conflict.

[0022] In the following description, many specific details are set forth in order to provide a thorough understanding of the present application, but the present application can also be implemented in other ways different from those described herein, therefore, the present application is not limited to the specific embodiments disclosed in the following description.

[0023] Please refer to Figures 1-5The utility model provides a technical scheme: a culture medium bottle capable of quantitatively taking liquid, which comprises a base bottle body 1, a quantitative pumping assembly 2 arranged at the top of the base bottle body 1; the quantitative pumping assembly 2 comprises a bottle cap 201, the inner surface of the bottle cap 201 is threadedly connected with the outer surface of the base bottle body 1, a pump rod 202 is fixedly connected with the top of the bottle cap 201, a pump head 203 is arranged at the top of the pump rod 202, the pump rod 202 and the pump head 203 are in communication, a threaded rod 205 is fixedly connected with the outer surface of the pump rod 202, an inner threaded block 206 is threadedly connected with the outer surface of the threaded rod 205, a first connecting block 207 is rotatably connected with the outer surface of the inner threaded block 206, a positioning ring 208 is fixedly connected with the outer surface of the first connecting block 207, a second connecting block 209 is fixedly connected with the outer surface of the positioning ring 208 away from the first connecting block 207, and a contact rod 210 is fixedly connected with the top of the second connecting block 209.

[0024] As shown in the figure, Figures 1-2 the bottom of the pump head 203 is fixedly connected with a liquid outlet pipe 211, the outer surface of the liquid outlet pipe 211 is provided with a hose 214, the hose 214 is guided into a dispenser for use when the culture medium is taken quantitatively, and the culture medium is prevented from spilling when taken.

[0025] As shown in the figure, Figure 3 a plurality of ring blocks 212 are equidistantly arranged on the outer surface of the liquid outlet pipe 211, and the outer surface of the hose 214 is attached to the outer surface of the plurality of ring blocks 212, so that when the hose 214 is connected with the liquid outlet pipe 211, the hose 214 is sleeved on the surface of the plurality of ring blocks 212 and is expanded, the friction of the hose 214 is increased, and the connected hose 214 is prevented from falling off.

[0026] As shown in the figure, Figures 1-3 a hollow cylinder 3 is fixedly connected to the top of the base bottle body 1 near the edge, the outer surface of the hose 214 near the bottom is attached to the inner surface of the hollow cylinder 3, the bottom of the hose 214 is inserted into the hollow cylinder 3 for storage when the hose 214 is not in use, and the bottom port of the hose 214 is prevented from contacting pollutants.

[0027] As shown in the figure, Figures 1-3 the bottom of the pump rod 202 is fixedly connected with a suction tube 215, the outer surface of the suction tube 215 is fixedly penetrated through the top of the bottle cap 201 and extends into the base bottle body 1, the culture medium in the base bottle body 1 is conveyed through the long suction tube 215 when the pump head 203 is pressed to take the culture medium.

[0028] As shown in the figure, Figures 1-4As shown, the positioning ring 208 is located outside the pump rod 202, the inner surface of the positioning ring 208 is attached to the outer surface of the pump rod 202, the outer surface of the positioning ring 208 is symmetrically provided with observation holes 213, which facilitates the synchronous movement of the positioning ring 208 along the surface of the pump rod 202 when the inner threaded block 206 and the threaded rod 205 are screwed, and plays a limiting role.

[0029] As shown, Figures 1-3 As shown, the outer surface of the pump rod 202 is symmetrically provided with scale lines 204, which are matched with the observation holes 213, and when the quantitative position is adjusted, it is convenient for personnel to determine the position by observing the coincidence of the observation holes 213 and the scale lines 204.

[0030] The use method and working principle of the device: when the nutrient solution is taken, the nutrient solution is stored in the base bottle body 1, and is sealed by the bottle cap 201, when the quantitative nutrient solution is taken according to the actual situation, the outer surface of the inner threaded block 206 is rubbed and rotated, the inner surface thereof is screwed on the outer surface of the threaded rod 205, the outer surface thereof is rotated on the inner surface of the first connecting block 207, and then drives the positioning ring 208 to move up and down on the outer surface of the pump rod 202, which is convenient for adjusting the position of the positioning ring 208 on the surface of the pump rod 202, when the coincidence position of the observation holes 213 and the scale lines 204 is observed to determine the stopping position, the abutting rod 210 fixedly connected to the top of the second connecting block 209 will protrude from the top of the pump rod 202, which can limit the downward stroke of the pump head 203, and when personnel press the pump head 203 until touch the top of the abutting rod 210, the nutrient solution in the base bottle body 1 will be transported to the pump head 203 through the suction tube 215 and discharged from the liquid outlet pipe 211, by arranging the hose 214 on the outer surface of the liquid outlet pipe 211, it is convenient for personnel to adjust the position of the hose 214, and the nutrient solution can be placed in multiple sub-packaging devices with different positions, by equidistantly arranging multiple ring blocks 212 on the surface of the liquid outlet pipe 211, a limiting role is played, which avoids that the hose 214 is easy to fall off when pulled, by fixedly connecting the hollow cylinder 3 to the top of the base bottle body 1, the bottom port position of the hose 214 can be inserted into the hollow cylinder 3 when it is idle, which plays a protective role, prevents the liquid outlet port from being contaminated, and has high practicability.

[0031] The above is only a preferred embodiment of the present application, and is not intended to limit the present application in other forms. Any skilled person in the art can modify or change the above disclosed technical content to equivalent embodiments applied to other fields, but any simple modification, equivalent change and modification of the above embodiments made according to the technical essence of the present application still belongs to the protection scope of the technical scheme of the present application.

Claims

1. A culture medium bottle capable of quantitative liquid taking, comprising a base bottle body (1), characterized in that: The top of the base bottle body (1) is provided with a quantitative pumping assembly (2); The quantitative pumping assembly (2) comprises a bottle cap (201), the inner surface of the bottle cap (201) is threadedly connected with the outer surface of the base bottle body (1), the top of the bottle cap (201) is fixedly communicated with a pump rod (202), the top of the pump rod (202) is provided with a pump head (203), the pump rod (202) and the pump head (203) are in communication, the outer surface of the pump rod (202) is fixedly connected with a threaded rod (205), the outer surface of the threaded rod (205) is threadedly connected with an internally threaded block (206), the outer surface of the internally threaded block (206) is rotatably connected with a first connecting block (207), the outer surface of the first connecting block (207) is fixedly connected with a positioning ring (208), the outer surface of the positioning ring (208) is fixedly connected with a second connecting block (209) away from the first connecting block (207), and the top of the second connecting block (209) is fixedly connected with a contact rod (210).

2. The quantifiable medium bottle of claim 1, wherein: The bottom of the pump head (203) is fixedly communicated with a liquid outlet pipe (211), and the outer surface of the liquid outlet pipe (211) is provided with a hose (214).

3. The quantifiable medium bottle of claim 2, wherein: The outer surface of the liquid outlet pipe (211) is equidistantly provided with a plurality of ring blocks (212), and the outer surface of the hose (214) is attached to the outer surface of the plurality of ring blocks (212).

4. The quantifiable medium bottle of claim 3, wherein: The top of the base bottle body (1) is fixedly connected with a hollow cylinder (3) near the edge, and the outer surface of the hose (214) is attached to the inner surface of the hollow cylinder (3) near the bottom.

5. The quantifiable medium bottle of claim 4, wherein: The bottom of the pump rod (202) is fixedly communicated with a liquid suction pipe (215), and the outer surface of the liquid suction pipe (215) is fixedly penetrated through the top of the bottle cap (201) and extends into the base bottle body (1).

6. The quantifiable medium bottle of claim 5, wherein: The positioning ring (208) is located on the outer side of the pump rod (202), the inner surface of the positioning ring (208) is attached to the outer surface of the pump rod (202), and the outer surface of the positioning ring (208) is symmetrically provided with an observation hole (213).

7. The quantifiable medium bottle of claim 6, wherein: The outer surface of the pump rod (202) is symmetrically provided with a scale line (204), and the scale line (204) is in matched arrangement with the observation hole (213).

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