Microbiological examination sampling rod

By designing a microbial inspection sampling rod with push rod, flow guide, fixing rod, connection block and discharge structure, the inefficiency of the existing sampling rod in the flow guide replacement and microbial discharge is solved, and a more efficient sampling effect is achieved.

CN222781608UActive Publication Date: 2025-04-22HUBEI POLYTECHNIC INST
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Patent Information

Application Number
CN202421399106.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-19
Publication Date
2025-04-22
Estimated Expiration
2034-06-19

AI Technical Summary

Technical Problem

Existing microbial test sampling sticks have poor results in diversion head replacement and microbial discharge, resulting in low sampling efficiency.

Method used

A microbial inspection sampling rod is designed, including push rod, deflector, fixing rod, connecting block and discharge structure. By rotating the fixing rod and push rod, convenient replacement of the deflector and rapid discharge of microorganisms can be achieved.

Benefits of technology

This sampling stick significantly improves the convenience of the flow guide replacement and the efficiency of microbial discharge, ensuring the improvement of sampling effect.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222781608U_ABST
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Abstract

The utility model discloses a microbiological examination sampling rod which comprises a rod body, and a push rod is fixedly mounted on the middle side in the rod body; the fixing block is fixedly installed on the middle side of the left end of the rod body, a flow guide head is installed on the outer side of the left end of the fixing block, a fixing rod is connected to the outer side of the flow guide head, and a discharging structure is connected to the lower end of the rod body; the connecting rod is fixedly installed on the lower side of the right end of the rod body, the right side of the connecting rod is connected with a connecting block, a limiting block is fixedly installed on the inner side of the connecting block, a push rod is connected to the inner side of the limiting block, a connecting block is fixedly installed on the outer side of the right end of the push rod, and a feeding hole is formed in the upper surface of the rod body. The push rod and the blocking plates are connected in a rotating mode, and the blocking plates are distributed in the rod body at equal intervals. According to the microbiological examination sampling rod, the diversion head can be conveniently replaced, sampled microorganisms can be conveniently discharged, and the sampling effect on the microorganisms is good.
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Description

Technical Field

[0001] The utility model relates to the technical field of microbiological testing and sampling, in particular to a microbiological testing and sampling stick. Background Art

[0002] Microorganisms are widely distributed in nature due to their small size, light weight, strong adaptability and strong reproductive ability. They exist in every corner that people can touch, such as food, cosmetics, feed, environment, etc. The contamination of products by certain microorganisms not only affects the quality of the products themselves, but more seriously, it endangers the health and safety of consumers, especially in stored grains. Therefore, in order to ensure the safety of grains, it is necessary to conduct microbial testing on grains. Sampling sticks are needed in the process of microbial testing. During the use of microbial inspection sampling sticks, the guide head needs to be replaced with a replacement structure to improve the use effect of the microbial inspection sampling stick, such as:

[0003] Chinese patent authorization announcement number CN220364529U discloses a novel microbial inspection sampling device, which relates to the field of microbial inspection technology, including a sampling tube, a flow guide shell is fixedly installed at one end of the sampling tube, a back cover is fixedly installed at the other end of the sampling tube, a fixed rod is fixedly connected to one end of the back cover, a plurality of sampling grooves are opened inside the sampling tube, a plurality of collection holes are opened on one side of the sampling tube, and a horizontal sealing component is arranged on the sampling tube; in the technical solution provided by the utility model, by arranging the horizontal sealing component, specifically, when the sampling tube is inserted into the grain for sampling, the fixed rod is pulled by the movable handle to open the sliding cover, and the grain flows into the sampling groove from the collection hole, and when the sampling groove is full of grain, the movable handle is released at this time, and then the fixed rod pushes the cover to slide horizontally and close, and the cover will not be blocked due to flipping, so that the grain can fill the sampling groove, thereby ensuring that the sampling space in the sampling tube is fully utilized.

[0004] The above-mentioned prior art solutions have the following defects: when sampling microorganisms, sampling is performed by moving the sliding cover, the ordinary microorganism inspection sampling rod has a poor effect on the replacement of the guide head, and it is not convenient enough to discharge the microorganisms after sampling. Therefore, the utility model provides a microorganism inspection sampling rod to solve the above-mentioned problems. Utility Model Content

[0005] The purpose of the utility model is to provide a microbiological testing sampling rod to solve the problem proposed in the above-mentioned background technology that sampling of microorganisms is performed by moving a sliding cover, the ordinary microbiological testing sampling rod has a poor replacement effect on the guide head, and is not convenient for discharging the sampled microorganisms.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a microbiological testing sampling stick, comprising a stick body, a push rod is fixedly installed on the middle side of the stick body;

[0007] Also includes:

[0008] A fixed block is fixedly mounted on the middle side of the left end of the rod body, and a flow guide head is mounted on the outer side of the left end of the fixed block, and a fixed rod is connected to the outer side of the flow guide head, and the lower end of the rod body is connected to the discharge structure;

[0009] A connecting rod is fixedly installed on the lower right end of the rod body, and a connecting block is connected to the right side of the connecting rod, a limiting block is fixedly installed on the inner side of the connecting block, and a push rod is connected to the inner side of the limiting block, a connecting block is fixedly installed on the outer side of the right end of the push rod, and a cover body is connected to the upper left end of the push rod, and a feeding hole is opened on the upper surface of the rod body.

[0010] Preferably, the push rod and the blocking plate are connected in a rotational manner, and the blocking plates are distributed at equal intervals inside the rod body.

[0011] Preferably, the cover body and the feed hole are connected in a fitting manner, and the outer cross-section of the cover body is an arc-shaped structure.

[0012] Preferably, the discharging structure comprises a limiting plate, which is installed on the middle side of the lower end of the rod body, and a mounting block is fixedly installed on the outer side of the limiting plate, and a mounting rod is connected to the middle side of the mounting block.

[0013] Preferably, the limiting plate and the rod body are connected in a snap-fit ​​manner, and the vertical cross-section of the limiting plate is an arc-shaped structure.

[0014] Preferably, the fixing block and the guide head are connected in a snap-fit ​​manner.

[0015] Preferably, the guide head and the fixing rod are connected in a threaded manner, and the fixing rod is symmetrically distributed up and down about the center line of the guide head.

[0016] Preferably, the mounting block is connected to the mounting rod in a threaded manner, and the mounting block is connected to the rod body in a fitted manner.

[0017] Compared with the prior art, the utility model has the following beneficial effects: the microbial inspection sampling rod is convenient for replacing the guide head, convenient for discharging the sampled microorganisms, and has a good sampling effect on the microorganisms;

[0018] 1. By rotating the fixing rod, the fixing rod is threadedly connected to the outside of the middle part of the guide head, so that the fixing rod is separated from the outside of the left end of the fixing block, and then the guide head is pulled to the left to separate the guide head from the outside of the left end of the fixing block, so that the guide head is separated from the left side of the rod body, which is convenient for replacing the guide head;

[0019] 2. Pull the connection block to the right so that the connection block drives the limit block to slide to the right outside the right end of the push rod, so that the connection block is separated on the outside of the connection rod, and then rotate the connection block so that the limit block drives the push rod to rotate on the middle side of the rod body, so that the push rod rotates on the right side of the connection block inside the rod body, and then the push rod drives the cover body to rotate to 90° inside the rod body, so that the cover body is separated on the lower side of the feed hole, so that the grains and microorganisms enter the inside of the rod body through the feed hole, ensuring a good sampling effect of the microorganisms;

[0020] 3. By rotating the mounting rod, the mounting rod is threadedly connected to the middle side of the mounting block, so that the mounting rod is separated at the middle side of the lower end of the rod body, and then the limit plate is pulled downward, so that the limit plate drives the mounting block to separate at the middle side of the lower end of the rod body, so that the grains and microorganisms inside the rod body are discharged from the inside of the rod body, which is convenient for discharging the sampled microorganisms. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic diagram of the overall cross-sectional structure of the connection between the rod body and the blocking plate of the utility model;

[0022] Figure 2 For this utility model Figure 1 The enlarged structural diagram at A in the middle;

[0023] Figure 3 This is a schematic diagram of the overall cross-sectional structure of the push rod and the cover body connected to the utility model;

[0024] Figure 4 This is a schematic diagram of the explosion structure of the connection block and the push rod of the utility model.

[0025] In the figure: 1. rod body; 2. blocking plate; 3. feed hole; 4. push rod; 5. cover body; 6. limit plate; 7. fixing block; 8. guide head; 9. fixing rod; 10. connecting block; 11. connecting rod; 12. limit block; 13. connecting block; 14. mounting block; 15. mounting rod. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] See also Figure 1-4 The utility model provides a technical solution: a microbiological inspection sampling stick, comprising: a push rod 4 is fixedly installed on the middle side of the inside of the stick body 1, a fixed block 7 is fixedly installed on the middle side of the left end of the stick body 1, and a guide head 8 is installed on the outer side of the left end of the fixed block 7, and a fixed rod 9 is connected to the outer side of the guide head 8, and the lower end of the stick body 1 is connected with a discharging structure, and the fixed rod 9 is rotated to make the fixed rod 9 connected to the outer side of the middle part of the guide head 8, so that the fixed rod 9 is separated from the outer side of the left end of the fixed block 7, and then the guide head 8 is pulled to the left side to separate the guide head 8 from the outer side of the left end of the fixed block 7, so that the guide head 8 is separated from the left side of the stick body 1, which is convenient for replacing the guide head 8, and the discharging structure is rotated to separate the discharging structure at the middle side of the lower end of the stick body 1, so that the grains and microorganisms inside the stick body 1 are discharged from the inside of the stick body 1, which is convenient for discharging the sampled microorganisms;

[0028] The connecting rod 11 is fixedly installed on the lower right end of the rod body 1, and the right side of the connecting rod 11 is connected with a connecting block 10, the inner side of the connecting block 10 is fixedly installed with a limit block 12, and the inner side of the limit block 12 is connected with a push rod 4, the outer right end of the push rod 4 is fixedly installed with a connecting block 13, and the upper left end of the push rod 4 is connected with a cover body 5. The upper surface of the rod body 1 is provided with a feed hole 3. The rod body 1 is inserted into the grain, so that the guide head 8 pushes the grain to both sides, and the connecting block 10 is pulled to the right, so that the connecting block 10 drives the limit block 12 to move on the push rod. The outer side of the right end of 4 slides to the right side, so that the connecting block 10 is separated on the outer side of the connecting rod 11, and then the connecting block 10 is rotated, so that the limit block 12 drives the push rod 4 to rotate on the middle side of the rod body 1, so that the push rod 4 rotates on the right side of the inside of the connecting block 13 on the inside of the rod body 1, and then the push rod 4 drives the cover body 5 to rotate to 90° inside the rod body 1, so that the cover body 5 is separated on the lower side of the feed hole 3, so that the grains and microorganisms enter the inside of the rod body 1 through the feed hole 3, ensuring a good sampling effect of the microorganisms.

[0029] When using the microbiological test sampling stick, the specific Figure 1 , Figure 2 and Figure 4The rod 1 is inserted into the grain, so that the guide head 8 pushes the grain to both sides, and the connecting block 10 is pulled to the right, so that the connecting block 10 drives the limiting block 12 to slide to the right outside the right end of the push rod 4, so that the connecting block 10 is separated on the outside of the connecting rod 11, and the push rod 4 is connected to the blocking plate 2 in a rotating manner, and the blocking plate 2 is evenly spaced inside the rod 1, and then the connecting block 10 is rotated, so that the limiting block 12 drives the push rod 4 to rotate on the middle side of the rod 1, so that the push rod 4 rotates on the right side of the connecting block 13 inside the rod 1, and then the push rod 4 drives the cover body 5 to rotate to 90° inside the rod 1, and the cover body 5 is connected to the feeding hole 3 in a fitting manner, and the outer cross-sectional shape of the cover body 5 is an arc structure, so that the cover body 5 is separated on the lower side of the feeding hole 3, so that the grain and the microorganism enter the inside of the rod 1 through the feeding hole 3, ensuring a good sampling effect of the microorganism;

[0030] Specific as Figure 1 and Figure 3 In the process, the mounting rod 15 is rotated, the mounting block 14 is connected to the mounting rod 15 by a threaded manner, and the mounting block 14 is connected to the rod body 1 by a fitting manner, so that the mounting rod 15 is threadedly connected at the middle side of the mounting block 14, so that the mounting rod 15 is separated at the middle side of the lower end of the rod body 1, and the limiting plate 6 is connected to the rod body 1 by a snap-fitting manner, and the vertical cross-section of the limiting plate 6 is an arc structure, and then the limiting plate 6 is pulled downward, so that the limiting plate 6 drives the mounting block 14 to separate at the middle side of the lower end of the rod body 1, so that the grains and microorganisms inside the rod body 1 are discharged from the inside of the rod body 1, which is convenient for discharging the sampled microorganisms;

[0031] Specific as Figure 1 In the process, the fixing rod 9 is rotated, the guide head 8 and the fixing rod 9 are connected by threads, and the fixing rod 9 is symmetrically distributed up and down about the center line of the guide head 8, so that the fixing rod 9 is threadedly connected to the outside of the middle part of the guide head 8, so that the fixing rod 9 is separated on the outside of the left end of the fixing block 7, and the fixing block 7 and the guide head 8 are connected by a snap-fitting manner, and then the guide head 8 is pulled to the left side to separate the guide head 8 on the outside of the left end of the fixing block 7, so that the guide head 8 is separated on the left side of the rod body 1, which is convenient for replacing the guide head 8.

[0032] The standard parts used in the utility model can be purchased from the market, and special-shaped parts can be customized according to the description in the specification and the drawings. The specific connection methods of each part adopt the conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt the conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art, which will not be described in detail here. The content not described in detail in this specification belongs to the prior art known to professional and technical personnel in this field.

[0033] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A microbiological testing sampling stick, comprising a stick body (1), a push rod (4) being fixedly mounted on the middle side of the stick body; It is characterized in that Also includes: A fixed block (7) is fixedly mounted on the middle side of the left end of the rod body (1), a flow guide head (8) is mounted on the outer side of the left end of the fixed block (7), and a fixed rod (9) is connected to the outer side of the flow guide head (8), and a discharge structure is connected to the lower end of the rod body (1); A connecting rod (11) is fixedly mounted on the lower right side of the rod body (1), and a connecting block (10) is connected to the right side of the connecting rod (11), a limit block (12) is fixedly mounted on the inner side of the connecting block (10), and a push rod (4) is connected to the inner side of the limit block (12), a connecting block (13) is fixedly mounted on the outer right side of the push rod (4), and a cover body (5) is connected to the upper left side of the push rod (4), and a feed hole (3) is provided on the upper surface of the rod body (1).

2. A microbiological testing sampling stick according to claim 1, characterized in that: The push rod (4) and the blocking plate (2) are connected in a rotational manner, and the blocking plates (2) are distributed at equal intervals inside the rod body (1).

3. A microbiological testing sampling stick according to claim 1, characterized in that: The cover body (5) and the feed hole (3) are connected in a fitting manner, and the outer cross-section of the cover body (5) is an arc-shaped structure.

4. A microbiological testing sampling stick according to claim 1, characterized in that: The discharging structure comprises a limiting plate (6), which is mounted on the middle side of the lower end of the rod body (1), and a mounting block (14) is fixedly mounted on the outer side of the limiting plate (6), and a mounting rod (15) is connected to the middle side of the mounting block (14).

5. A microbiological testing sampling stick according to claim 4, characterized in that: The limiting plate (6) and the rod body (1) are connected in a snap-fitting manner, and the vertical cross-section of the limiting plate (6) is an arc-shaped structure.

6. A microbiological testing sampling stick according to claim 1, characterized in that: The fixing block (7) and the flow guide head (8) are connected in a snap-fit ​​manner.

7. A microbiological testing sampling stick according to claim 6, characterized in that: The guide head (8) and the fixing rod (9) are connected in a threaded manner, and the fixing rod (9) is symmetrically distributed up and down about the center line of the guide head (8).

8. A microbiological testing sampling stick according to claim 4, characterized in that: The mounting block (14) and the mounting rod (15) are connected in a threaded manner, and the mounting block (14) and the rod body (1) are connected in a fitting manner.

Citation Information

Patent Citations

  • Novel sampling device for microbiological examination

    CN220364529U