CN210108783U - Sampling device for blood culture bottle - Google Patents
Sampling device for blood culture bottle Download PDFInfo
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- CN210108783U CN210108783U CN201920621899.7U CN201920621899U CN210108783U CN 210108783 U CN210108783 U CN 210108783U CN 201920621899 U CN201920621899 U CN 201920621899U CN 210108783 U CN210108783 U CN 210108783U
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Abstract
The utility model relates to the technical field of experimental equipment, and discloses a sampling device for a blood culture bottle, which solves the problem that the sampling by adopting a rubber-head dropper is difficult to accurately control the volume of blood to be extracted, and comprises a sampling cylinder, wherein the bottom end of the sampling cylinder is provided with a sampling head, a piston is arranged in the sampling cylinder, the top end of the sampling cylinder is fixed with a round tube, the top end of the round tube is fixed with a cap, the middle part of the cap is rotatably provided with a threaded rod, the lower end of the threaded rod extends into the round tube, the lower end of the threaded rod is in threaded connection with a second mounting plate, the bottom end of the second mounting plate is fixed with a support rod, the bottom end of the support rod is fixed with a first mounting plate, the bottom surface of the first mounting plate is vertically fixed with a connecting rod, the bottom end of the connecting rod extends into the sampling cylinder, the distance of the piston movement can be accurately controlled, so that the observation scale accurately controls the volume of the sucked blood.
Description
Technical Field
The utility model relates to an experimental device technical field especially relates to a sampling device for blood culture bottle.
Background
The blood culture is an artificial culture method which inoculates a fresh isolated blood specimen on a nutrient medium, enables bacteria with higher nutrient requirements to grow and reproduce under the conditions of certain temperature, humidity and the like, and identifies the bacteria, thereby determining pathogenic bacteria.
In blood culture experiments, blood in a blood culture bottle is required to be subjected to experiments in a sampling period, in the prior art, the blood is generally sampled by using a rubber-head dropper, and the volume of the extracted blood is difficult to accurately control when the rubber-head dropper is used for sampling.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem that the volume of blood which is difficult to accurately control is difficult to extract by adopting a rubber-head dropper to sample in the prior art, and providing a sampling device for a blood culture bottle.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a sampling device for a blood culture bottle comprises a sampling cylinder, a sampling head is arranged at the bottom end of the sampling cylinder, a piston is arranged in the sampling cylinder, a round tube is vertically fixed at the top end of the sampling tube, a cap is fixed at the top end of the round tube, a threaded rod is rotatably arranged in the middle of the cap, the threaded rod is vertically inserted on the cover cap, the lower end of the threaded rod extends to the inner part of the circular tube, the lower end of the threaded rod is connected with a second mounting plate in a threaded manner, a supporting rod is fixed at the bottom end of the second mounting plate, the bottom end of the supporting rod is fixed with a first mounting plate, the first mounting plate and the second mounting plate are both arranged inside the round pipe in a sliding way, and the bottom surface of first mounting panel is vertical to be fixed with the connecting rod, the bottom of connecting rod extends to the inside of sampler barrel, and the bottom mounting of connecting rod is in on the piston.
Preferably, the sampling tube is made of transparent plastic, and scales are arranged on the outer wall of the sampling tube.
Preferably, the threaded rod is rotatably installed on the cap through a bearing, a rotating button is installed on a top screw of the threaded rod, and a limiting block is fixed at the bottom end of the threaded rod.
Preferably, the inner wall of pipe has seted up the direction spout along its length direction, just first mounting panel with all be fixed with the direction slider on the outer wall of second mounting panel, the direction slider is inserted and is established in the direction spout.
Preferably, the number of guide runners is three to six.
Preferably, a through hole is formed in the top end of the sampling tube, the connecting rod is inserted into the through hole, and the connecting rod is slidably connected with the through hole.
The utility model has the advantages that:
drive the inside rebound of second mounting panel at the pipe through rotating the knob, drive first mounting panel rebound in the pipe by the second mounting panel, drive the piston rebound in the sampling tube simultaneously to inhale the sampling tube to blood in, because threaded connection between second mounting panel and the threaded rod, but the distance that the accurate control piston removed, thereby observe the volume that scale accurate control inhaled blood.
Drawings
FIG. 1 is a schematic view of a sampling device for a blood culture bottle according to the present invention;
FIG. 2 is a schematic view of the structure at A in FIG. 1;
FIG. 3 is a schematic structural view of a second mounting plate of the sampling device for blood culture bottles according to the present invention.
In the figure: 1 sampling cylinder, 2 sampling heads, 3 pistons, 4 round tubes, 5 guide sliding chutes, 6 first mounting plates, 7 second mounting plates, 8 guide sliding blocks, 9 supporting rods, 10 connecting rods, 11 caps, 12 threaded rods, 13 limiting blocks and 14 rotating buttons.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
Referring to fig. 1-3, a sampling device for a blood culture bottle, comprising a sampling cylinder 1, a sampling head 2 is arranged at the bottom end of the sampling cylinder 1, the sampling head 2 is hollow conical, the top end of the sampling head 2 is communicated with the inside of the sampling cylinder 1, a piston 3 is arranged inside the sampling cylinder 1, a round tube 4 is vertically fixed at the top end of the sampling cylinder 1, the round tube 4 and the sampling cylinder 1 are integrally injection-molded, a cap 11 is fixed at the top end of the round tube 4 by a screw, a threaded rod 12 is rotatably installed at the middle part of the cap 11, the threaded rod 12 is vertically inserted on the cap 11, a round hole matched with the cap 11 is formed on the cap 11, the threaded rod 12 is rotatably installed on the cap 11 through a bearing, the lower end of the threaded rod 12 extends to the inside of the round tube 4, a second mounting plate 7 is connected with the lower end of the threaded rod, the bottom of second mounting panel 7 is glued and is fixed with bracing piece 9, the quantity of bracing piece 9 is three, and wind threaded rod evenly distributed on second mounting panel 7, the bottom of bracing piece 9 is glued and is fixed with first mounting panel 6, first mounting panel 6 and the equal slidable mounting of second mounting panel 7 are in the inside of pipe 4, and the vertical gluing in bottom surface of first mounting panel 6 is fixed with connecting rod 10, the bottom of connecting rod 10 extends to the inside of sampler barrel 1, and the bottom mounting of connecting rod 10 is on piston 3.
Further, the sampling tube 1 is made of transparent plastic, and scales are arranged on the outer wall of the sampling tube 1, so that the volume of blood in sampling can be observed conveniently.
Further, a threaded rod 12 is rotatably mounted on the cap 11 through a bearing, a rotary knob 14 is mounted on the top end of the threaded rod 12 through a screw, and a stopper 13 is fixed on the bottom end of the threaded rod 12 through a screw.
Further, the inner wall of pipe 4 has seted up direction spout 5 along its length direction, and the quantity of direction spout 5 is six, and all is fixed with direction slider 8 on the outer wall of first mounting panel 6 and second mounting panel 7, and direction slider 8 inserts and establishes in direction spout 5, and the distribution of direction slider 8 is unanimous on first mounting panel 6 and the distribution of direction slider 8 on the second mounting panel 7.
Further, a through hole is formed in the top end of the sampling tube 1, the connecting rod 10 is inserted into the through hole, and the connecting rod 10 is slidably connected with the through hole.
In this embodiment, through inserting the sampling head in learning the blake bottle, rotate the knob 14, the knob 14 drives the threaded rod 12 rotatory, threaded rod 12 drives second mounting panel 7 rebound in pipe 4, drive first mounting panel 6 rebound in pipe 4 by second mounting panel 4, there is first mounting panel 6 to drive piston 3 rebound in sampler barrel 1 simultaneously, thereby inhale sampler barrel 1 to blood in, because threaded connection between second mounting panel 7 and the threaded rod 12, the distance that 3 removals of accurate control piston, thereby observe the volume that scale accurate control inhaled blood.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides a sampling device for blood culture bottle, includes sampling tube (1), its characterized in that, the bottom of sampling tube (1) is provided with sampling head (2), and the inside of sampling tube (1) is provided with piston (3) to the vertical pipe (4) that is fixed with in top of sampling tube (1), the top of pipe (4) is fixed with block (11), the middle part of block (11) is rotated and is installed threaded rod (12), threaded rod (12) are vertical to be inserted and are established on block (11), and the lower extreme of threaded rod (12) extends to the inside of pipe (4), and the lower extreme threaded connection of threaded rod (12) has second mounting panel (7), the bottom mounting of second mounting panel (7) has bracing piece (9), the bottom mounting of bracing piece (9) has first mounting panel (6), first mounting panel (6) and second mounting panel (7) all slidable mounting be in the inside of pipe (4), and the bottom surface of first mounting panel (6) is vertical to be fixed with connecting rod (10), the bottom of connecting rod (10) extends to the inside of sampler barrel (1), and the bottom mounting of connecting rod (10) is in on piston (3).
2. A sampling device for blood culture bottles according to claim 1 characterized in that the sampling cylinder (1) is made of transparent plastic and that the outer wall of the sampling cylinder (1) is provided with graduations.
3. A sampling device for blood culture bottles according to claim 1 characterized in that the threaded rod (12) is mounted on the cap (11) by means of bearings and the top of the threaded rod (12) is screwed with a rotary knob (14) and the bottom of the threaded rod (12) is fixed with a stopper (13).
4. The sampling device for the blood culture bottle according to claim 1, wherein the inner wall of the circular tube (4) is provided with a guide sliding groove (5) along the length direction thereof, and the outer walls of the first mounting plate (6) and the second mounting plate (7) are both fixed with a guide sliding block (8), and the guide sliding block (8) is inserted in the guide sliding groove (5).
5. A sampling device for blood culture bottles according to claim 4 characterized in that the number of guide chutes (5) is three to six.
6. A sampling device for blood culture bottles according to claim 1 characterized in that the top end of the sampling cylinder (1) has a through hole opened therein and the connecting rod (10) is inserted in the through hole and the connecting rod (10) is slidably connected with the through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920621899.7U CN210108783U (en) | 2019-05-05 | 2019-05-05 | Sampling device for blood culture bottle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920621899.7U CN210108783U (en) | 2019-05-05 | 2019-05-05 | Sampling device for blood culture bottle |
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| Publication Number | Publication Date |
|---|---|
| CN210108783U true CN210108783U (en) | 2020-02-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920621899.7U Active CN210108783U (en) | 2019-05-05 | 2019-05-05 | Sampling device for blood culture bottle |
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| Country | Link |
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| CN (1) | CN210108783U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111579017A (en) * | 2020-05-20 | 2020-08-25 | 河南省计量科学研究院 | Chemical metering device with accurate counting |
| CN114540169A (en) * | 2022-02-21 | 2022-05-27 | 中国人民解放军联勤保障部队第九二〇医院 | Simple negative pressure blood culture bottle for diagnosing infection pathogenic bacteria |
-
2019
- 2019-05-05 CN CN201920621899.7U patent/CN210108783U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111579017A (en) * | 2020-05-20 | 2020-08-25 | 河南省计量科学研究院 | Chemical metering device with accurate counting |
| CN111579017B (en) * | 2020-05-20 | 2022-02-15 | 河南省计量科学研究院 | Chemical metering device with accurate counting |
| CN114540169A (en) * | 2022-02-21 | 2022-05-27 | 中国人民解放军联勤保障部队第九二〇医院 | Simple negative pressure blood culture bottle for diagnosing infection pathogenic bacteria |
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