Biological cell sampler

Abstract

The utility model discloses a biological cell sampler, which relates to the technical field of cell sampling and comprises a fixing plate, one side of the upper surface of the fixing plate is fixedly connected with the lower surface of a motor, the output end of the motor is fixedly connected with one end of a transmission shaft, and one side of the outer circumferential surface of the transmission shaft is fixedly connected with one side of the inner surface of a transmission mechanism. One side of the outer circumferential surface of the transmission mechanism is rotationally connected with one side of the inner surface of the push rod, the other side of the inner surface of the push rod is rotationally connected with one side of the inner surface of the connecting block through a rotating shaft, the lower surface of the connecting block is fixedly connected with one side of the upper surface of the moving rod, and one side of the lower surface of the moving rod is slidably connected with one side of the upper surface of the fixing plate. The position of the fixing ring is fixed through the transmission plate, the swing rod is driven by external force to rotate with the second supporting block as the center, the telescopic rod is driven by the swing rod to horizontally slide on the inner surface of the fixing ring, the effect of moving according to the operation position of the sampler is achieved, and the problems that a traditional sampler needs to be held by hand, and fatigue is easily caused after long-time operation are solved. And hand shaking is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of cell sampling, in particular to a biological cell sampler. Background Art

[0002] Biological cell sampling plays a great role in vaccine research and the exploration of the living conditions of organisms. Nowadays, fine needle aspiration for cytological exploration and examination of samples to be tested is a fast, simple and minimally damaging technology that can be used in any practical and clinical cases. Its biggest advantage is that it can be performed without anesthesia or sedation.

[0003] After searching, a Chinese patent with announcement number CN209236222U discloses a cell sampler, including a brush head, a brush rod, a housing, a sleeve, a syringe, and an injection tube; the housing is a hollow structure, an opening is provided at the upper end of the housing, a card block is embedded in a slide groove, and the card block and the slide groove cooperate with each other; the upper end face and the lower end face of the card strip are respectively connected with positioning blocks, and the cross section of the positioning block is in a "cross" shape. The utility model has a simple structure and a good sampling effect.

[0004] Although the above solution can prevent the sampled cells from being contaminated during recovery, the cell sampler in the above patent does not have the function of supporting the sampler's operating position. Each cell extraction and sampling by the sampler is usually manual, and long-term holding of the sampler can easily cause the sampler to shake, which has certain limitations. To this end, we provide a biological cell sampler to solve the above problems. Utility Model Content

[0005] The utility model aims to solve the problem that the cell sampler has no support for the working position of the sampler, and provides a biological cell sampler.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a biological cell sampler, comprising a fixed plate, one side of the upper surface of the fixed plate is fixedly connected to the lower surface of the motor, the output end of the motor is fixedly connected to one end of the transmission shaft, one side of the outer circumferential surface of the transmission shaft is fixedly connected to one side of the inner surface of the transmission mechanism, one side of the outer circumferential surface of the transmission mechanism is rotatably connected to one side of the inner surface of the push rod, the other side of the inner surface of the push rod is rotatably connected to one side of the inner surface of the connecting block through a rotating shaft, the lower surface of the connecting block is fixedly connected to one side of the upper surface of the moving rod, and one side of the lower surface of the moving rod is slidably connected to one side of the upper surface of the fixed plate.

[0007] One side of the inner surface of the moving rod is fixedly connected to one end of the fixed shaft, one side of the outer circumferential surface of the fixed shaft is rotatably connected to one side of the inner surface of the connecting rod, one side of the upper surface of the connecting rod is fixedly connected to one side of the lower surface of the transmission plate, one side of the inner surface of the transmission plate is fixedly connected to one side of the outer circumferential surface of the fixed ring, the inner surface of the fixed ring is slidably connected to one side of the outer circumferential surface of the telescopic rod, and one side of the inner surface of the telescopic rod is clamped to one side of the outer circumferential surface of the sampling shaft.

[0008] Furthermore, one side of the upper surface of the fixing plate is fixedly connected to the lower surface of the support rod, and one side of the inner surface of the support rod is rotatably connected to one side of the outer circumferential surface of the transmission shaft, thereby improving the rotation stability of the transmission shaft.

[0009] Furthermore, one side of the outer circumferential surface of the transmission shaft is fixedly connected to one side of the inner surface of the spur gear, one side of the teeth on the outer circumferential surface of the spur gear is meshed with one side of the teeth on the outer surface of the gear plate, one side of the inner surface of the gear plate is fixedly connected to one side of the outer circumferential surface of the connecting shaft, and the other side of the outer circumferential surface of the connecting shaft is rotatably connected to one side of the inner surface of the push rod, causing the push rod to slide back and forth on the upper surface of the fixed plate.

[0010] Furthermore, one side of the inner surface of the toothed disc is rotatably connected to one side of the outer surface of the support block via a rotating shaft, and a lower surface of the support block is fixedly connected to one side of the upper surface of the fixed plate, thereby improving the transmission stability of the transmission shaft.

[0011] Furthermore, one side of the outer surface of the moving rod is slidably connected to one side of the inner surface of the sliding rod, and the lower surface of the sliding rod is fixedly connected to one side of the upper surface of the fixed plate, so as to prevent the moving rod from deviating when sliding.

[0012] Furthermore, one side of the inner surface of the fixing ring is slidably connected to one side of the outer surface of the limiting rod, and the other side of the outer surface of the limiting rod is fixedly connected to one side of the outer circumferential surface of the telescopic rod, thereby improving the sliding stability of the telescopic rod.

[0013] Furthermore, one side of the outer circumferential surface of the telescopic rod is fixedly connected to the lower surface of the second support block, one side of the inner surface of the second support block is rotationally connected to one side of the inner surface of the rocker arm through a rotating shaft, and one side of the outer surface of the rocker arm is slidingly connected to one side of the inner surface of the fixed ring, so that the telescopic rod can adjust the working length according to the working environment.

[0014] Compared with the prior art, the biological cell sampler has the following beneficial effects:

[0015] 1. The utility model fixes the position of the fixed ring by a transmission plate, utilizes external force to cause the swing rod to rotate around the supporting block 2, and utilizes the swing rod to cause the telescopic rod to slide horizontally on the inner surface of the fixed ring, thereby achieving the effect of moving according to the working position of the sampler, and solving the problem that the traditional sampler needs to be held in hand, and fatigue and hand shaking may occur during long-term operation.

[0016] 2. The utility model drives the flat gear to rotate through the motor, and the flat gear drives the connecting shaft to rotate through the toothed disk. The connecting shaft drives the moving rod to slide horizontally on the upper surface of the fixed plate through the push rod, so that the sampler can adjust the operating length of the sampling shaft according to different working environments, thereby improving the practicality of the sampler in different working environments. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1It is a schematic diagram of the overall three-dimensional structure of the utility model;

[0018] Figure 2 It is a three-dimensional structural schematic diagram of the transmission mechanism of the utility model;

[0019] Figure 3 This is a sectional view of the three-dimensional structure of the mobile rod of the utility model;

[0020] Figure 4 This is a sectional view of the three-dimensional structure of the fixing ring of the utility model.

[0021] In the figure:

[0022] 1. Fixed plate; 2. Motor; 3. Transmission shaft;

[0023] 4. Transmission mechanism; 41. Flat gear; 42. Toothed disc; 43. Connecting shaft;

[0024] 5. Push rod; 6. Connecting block; 7. Moving rod; 8. Support rod; 9. Support block 1; 10. Sliding rod; 11. Fixed shaft; 12. Connecting rod; 13. Transmission plate; 14. Fixed ring; 15. Telescopic rod; 16. Sampling shaft; 17. Support block 2; 18. Rocker rod; 19. Limit rod. DETAILED DESCRIPTION

[0025] The principles and features of the present invention are described below in conjunction with the accompanying drawings. The examples given are only used to explain the present invention and are not used to limit the scope of the present invention.

[0026] See also Figure 2 A biological cell sampler includes a fixed plate 1, one side of the upper surface of the fixed plate 1 is fixedly connected to the lower surface of a support rod 8, the support rod 8 is used to prevent the transmission shaft 3 from deviating during rotation, one side of the inner surface of the support rod 8 is rotatably connected to one side of the outer circumferential surface of the transmission shaft 3, so as to improve the rotation stability of the transmission shaft 3, one side of the upper surface of the fixed plate 1 is fixedly connected to the lower surface of a motor 2, the motor 2 can be used as a power input source, and its model is not specifically limited in this application, and it can also be replaced by other power drive structures, and the output end of the motor 2 is fixedly connected to one end of the transmission shaft 3.

[0027] One side of the outer circumferential surface of the transmission shaft 3 is fixedly connected to one side of the inner surface of the flat gear 41, one side of the teeth on the outer circumferential surface of the flat gear 41 is meshed with one side of the teeth on the outer surface of the toothed disc 42, and the toothed disc 42 is used to promote the reciprocating movement of the push rod 5 through the connecting shaft 43. One side of the inner surface of the toothed disc 42 is rotationally connected to one side of the outer surface of the support block 9 through a rotating shaft, and the lower surface of the support block 9 is fixedly connected to one side of the upper surface of the fixed plate 1, thereby improving the transmission stability of the transmission shaft 42, one side of the inner surface of the toothed disc 42 is fixedly connected to one side of the outer circumferential surface of the connecting shaft 43, and the other side of the outer circumferential surface of the connecting shaft 43 is rotationally connected to one side of the inner surface of the push rod 5, thereby promoting the push rod 5 to slide back and forth on the upper surface of the fixed plate 1.

[0028] One side of the outer circumference of the transmission shaft 3 is fixedly connected to one side of the inner surface of the transmission mechanism 4, and the transmission mechanism 4 is used to prompt the sampler to adjust the working position horizontally. One side of the outer circumference of the transmission mechanism 4 is rotatably connected to one side of the inner surface of the push rod 5, and the other side of the inner surface of the push rod 5 is rotatably connected to one side of the inner surface of the connecting block 6 through a rotating shaft. The lower surface of the connecting block 6 is fixedly connected to one side of the upper surface of the moving rod 7 to improve the stability of the position adjustment of the sampler, one side of the outer surface of the moving rod 7 is slidably connected to one side of the inner surface of the sliding rod 10, and the lower surface of the sliding rod 10 is fixedly connected to one side of the upper surface of the fixed plate 1 to prevent the moving rod 7 from deflecting when sliding, and one side of the lower surface of the moving rod 7 is slidably connected to one side of the upper surface of the fixed plate 1.

[0029] See also Figure 3 One side of the inner surface of the moving rod 7 is fixedly connected to one end of the fixed shaft 11, one side of the outer circumferential surface of the fixed shaft 11 is rotatably connected to one side of the inner surface of the connecting rod 12, one side of the upper surface of the connecting rod 12 is fixedly connected to one side of the lower surface of the transmission plate 13, and the transmission plate 13 is used to fix the position of the fixing ring 14 by a spring, one side of the inner surface of the transmission plate 13 is fixedly connected to one side of the outer circumferential surface of the fixing ring 14, one side of the inner surface of the fixing ring 14 is slidably connected to one side of the outer surface of the limiting rod 19, and the other side of the outer surface of the limiting rod 19 is fixedly connected to one side of the outer circumferential surface of the telescopic rod 15, thereby improving the sliding stability of the telescopic rod 15.

[0030] See also Figure 4 The inner surface of the fixing ring 14 is slidably connected to one side of the outer circumference of the telescopic rod 15, one side of the outer circumference of the telescopic rod 15 is fixedly connected to the lower surface of the supporting block 17, one side of the inner surface of the supporting block 17 is rotatably connected to one side of the inner surface of the swing rod 18 through a rotating shaft, and the swing rod 16 is manually moved by external force to adjust the working position of the telescopic rod 15. One side of the outer surface of the swing rod 18 is slidably connected to one side of the inner surface of the fixing ring 14, so that the telescopic rod is adjusted to the working length according to the working environment. One side of the inner surface of the telescopic rod 15 is clamped with one side of the outer circumference of the sampling shaft 16.

[0031] Working principle: when the sampler is operating, the sampling shaft 16 is placed on one side of the inner surface of the telescopic rod 15, and the device is adjusted according to different sampling positions. The motor 2 is used to drive the flat gear 41 to rotate through the transmission shaft 3. The flat gear 41 drives the toothed disc 42 to rotate around the support block 1 9. The toothed disc 42 drives the push rod 5 to move through the connecting shaft 43. The push rod 5 drives the connecting block 6 to move through the rotating shaft. The connecting block 6 drives the moving rod 7 to slide horizontally on one side of the upper surface of the fixed plate 1, and the sampler is moved laterally to adjust the working position of the sampler. After the working position of the sampler is adjusted, an external force is used to drive the support block 2 17 to move through the rotating shaft through the rocker rod 18. The support block 2 17 drives the telescopic rod 15 to slide horizontally on the inner surface of the fixed ring 14. The limit rod 19 is used to prevent the telescopic rod 15 from shifting in position during movement, so as to adjust the working length of the telescopic rod 15 according to different working environments, thereby improving the practicality of the sampler in different environments.

[0032] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A biological cell sampler, comprising a fixing plate (1), characterized in that: One side of the upper surface of the fixed plate (1) is fixedly connected to the lower surface of the motor (2), the output end of the motor (2) is fixedly connected to one end of the transmission shaft (3), one side of the outer circumferential surface of the transmission shaft (3) is fixedly connected to one side of the inner surface of the transmission mechanism (4), one side of the outer circumferential surface of the transmission mechanism (4) is rotationally connected to one side of the inner surface of the push rod (5), the other side of the inner surface of the push rod (5) is rotationally connected to one side of the inner surface of the connecting block (6) through a rotating shaft, the lower surface of the connecting block (6) is fixedly connected to one side of the upper surface of the moving rod (7), and one side of the lower surface of the moving rod (7) is slidably connected to one side of the upper surface of the fixed plate (1); One side of the inner surface of the moving rod (7) is fixedly connected to one end of the fixed shaft (11); one side of the outer circumferential surface of the fixed shaft (11) is rotatably connected to one side of the inner surface of the connecting rod (12); one side of the upper surface of the connecting rod (12) is fixedly connected to one side of the lower surface of the transmission plate (13); one side of the inner surface of the transmission plate (13) is fixedly connected to one side of the outer circumferential surface of the fixing ring (14); the inner surface of the fixing ring (14) is slidably connected to one side of the outer circumferential surface of the telescopic rod (15); one side of the inner surface of the telescopic rod (15) is clamped to one side of the outer circumferential surface of the sampling shaft (16); one side of the outer circumferential surface of the telescopic rod (15) is fixedly connected to the lower surface of the second support block (17); one side of the inner surface of the second support block (17) is rotatably connected to one side of the inner surface of the swing rod (18) through a rotating shaft; one side of the outer surface of the swing rod (18) is slidably connected to one side of the inner surface of the fixing ring (14).

2. A biological cell sampler according to claim 1, characterized in that: One side of the upper surface of the fixing plate (1) is fixedly connected to the lower surface of the support rod (8), and one side of the inner surface of the support rod (8) is rotatably connected to one side of the outer circumferential surface of the transmission shaft (3).

3. A biological cell sampler according to claim 1, characterized in that: One side of the outer circumferential surface of the transmission shaft (3) is fixedly connected to one side of the inner surface of the spur gear (41); one side of the teeth on the outer circumferential surface of the spur gear (41) meshes with one side of the teeth on the outer surface of the toothed disc (42); one side of the inner surface of the toothed disc (42) is fixedly connected to one side of the outer circumferential surface of the connecting shaft (43); and the other side of the outer circumferential surface of the connecting shaft (43) is rotatably connected to one side of the inner surface of the push rod (5).

4. A biological cell sampler according to claim 3, characterized in that: One side of the inner surface of the toothed disc (42) is rotatably connected to one side of the outer surface of the support block (9) via a rotating shaft, and the lower surface of the support block (9) is fixedly connected to one side of the upper surface of the fixing plate (1).

5. A biological cell sampler according to claim 1, characterized in that: One side of the outer surface of the moving rod (7) is slidably connected to one side of the inner surface of the sliding rod (10), and the lower surface of the sliding rod (10) is fixedly connected to one side of the upper surface of the fixed plate (1).

6. A biological cell sampler according to claim 1, characterized in that: One side of the inner surface of the fixing ring (14) is slidably connected to one side of the outer surface of the limiting rod (19), and the other side of the outer surface of the limiting rod (19) is fixedly connected to one side of the outer circumferential surface of the telescopic rod (15).

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