Cell collecting and sampling device

Abstract

A cell collecting and sampling device comprises a sampling rod used for use and further comprises a sampling head assembly and an adjusting assembly, the sampling head assembly is arranged at one end of the sampling rod, and the adjusting assembly is arranged in the middle of the sampling rod; the sampling head assembly comprises a connecting rod, an external thread, an internal thread and a cotton swab head, the connecting rod is screwed in the middle of the sampling rod, the external thread is arranged on the surface of one end of the connecting rod, and the cotton swab head is arranged at one end of the connecting rod; the adjusting assembly comprises a groove, clamping grooves, a limiting groove and a digging-out groove, the groove is formed in the middle of one side of the sampling rod, an extension rod is installed in the groove and close to one end through a rotating shaft, a plurality of positioning columns are arranged on the side, located on the rotating shaft, of the extension rod, and a plurality of clamping grooves are symmetrically formed in the positions, located on the two sides of the rotating shaft, of the sampling rod. The cotton swab is simple in structure, ingenious in conception, convenient to select and mount corresponding cotton swab heads according to use requirements, capable of prolonging the length of the sampling rod according to requirements and high in applicability.

Description

Technical Field

[0001] The utility model relates to a sampling device, in particular to a cell collection sampling device. Background Art

[0002] Currently, when sampling cell cultures on the surface of an object, a sterile cotton swab is usually used for dipping, and then the end of the cotton swab dipped with bacteria is placed in a sterile dish.

[0003] When using existing cell sampling cotton swabs, the cotton swab head is generally spherical, which is inconvenient when using cotton swabs of other shapes. At the same time, the length of the cotton swab rod is fixed and cannot be adjusted according to needs, and the applicability is poor. Utility Model Content

[0004] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a cell collection sampling device, which effectively solves the problem that the existing cell sampling cotton swab head is generally spherical when in use, which is inconvenient when using some cotton swabs of other shapes. At the same time, the length of the cotton swab rod is fixed and cannot be adjusted according to needs, resulting in poor applicability.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: the utility model includes a sampling rod for use, a sampling head assembly and an adjustment assembly, one end of the sampling rod is provided with a sampling head assembly, and the middle part of the sampling rod is provided with an adjustment assembly;

[0006] The sampling head assembly includes a connecting rod, an external thread, an internal thread and a cotton swab head. The connecting rod is screwed to the middle of the sampling rod, an external thread is provided on the surface of one end of the connecting rod, and a cotton swab head is provided at one end of the connecting rod;

[0007] The adjustment assembly includes a groove, a rotating shaft, an extension rod, an axis hole, a positioning column, a clamping groove, a limiting groove and a cutting groove. The groove is arranged in the middle of one side of the sampling rod. An extension rod is installed in the groove near one end through the rotating shaft. A plurality of positioning columns are arranged on one side of the extension rod located on the rotating shaft. A plurality of clamping grooves are symmetrically arranged on both sides of the sampling rod located on the rotating shaft. A limiting groove is arranged at the bottom end of the clamping groove.

[0008] Preferably, the connecting rod is provided with an internal thread at a position corresponding to the external thread.

[0009] Preferably, the cotton swab head is made into a spherical, elliptical or cylindrical shape.

[0010] Preferably, shaft holes are provided on the extension rod and the sampling rod at positions corresponding to the rotation shafts.

[0011] Preferably, the limiting grooves, the engaging grooves and the positioning posts are arranged in the same number and have one-to-one corresponding positions.

[0012] Preferably, a groove is provided on the sampling rod at one end of the extension rod.

[0013] Beneficial effects: When the utility model is used, the cell collection operation can be performed through the cotton swab head at one end of the sampling rod. When it is necessary to replace the cotton swab head of different shapes, the cotton swab head is packaged separately. The connecting rod on the selected cotton swab head cooperates with the external thread and the internal thread, so that the new cotton swab head can be installed on the sampling rod, which is convenient for selection and use according to needs, and has strong applicability. When the sampling rod needs to be extended, the extension rod is pulled out through the pull-out groove. When the extension rod is pulled out, the positioning column on the extension rod is pulled out from the limit groove through the clamping groove, and the extension rod is rotated to the right side with the cooperation of the rotating shaft. At the same time, the positioning column on the extension rod enters the limit groove through the clamping groove, and the extension rod can be extended for use. The utility model has a novel structure and a clever design. It is convenient to select and install the corresponding cotton swab head according to the needs of use. At the same time, the length of the sampling rod can be extended according to the needs, and has strong applicability. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 It is a cross-sectional view of the utility model;

[0017] Figure 3 This is a schematic diagram of the structure of the limit groove of the utility model;

[0018] Figure 4 This is a schematic diagram of the rotating shaft structure of the utility model;

[0019] Numbers in the figure: 1. sampling rod; 2. sampling head assembly; 3. adjustment assembly; 4. connecting rod; 5. external thread; 6. internal thread; 7. cotton swab head; 8. groove; 9. rotating shaft; 10. extension rod; 11. shaft hole; 12. positioning column; 13. snap-in groove; 14. limiting groove; 15. pick-out groove. DETAILED DESCRIPTION

[0020] The following is combined with Figure 1-4 The specific implementation modes of the present utility model are further described in detail.

[0021] Embodiment 1, by Figure 1-4 The utility model provides a cell collection sampling device, comprising a sampling rod 1 for use, a sampling head assembly 2 and an adjustment assembly 3, wherein the sampling head assembly 2 is arranged at one end of the sampling rod 1, and the adjustment assembly 3 is arranged at the middle part of the sampling rod 1;

[0022] The sampling head assembly 2 includes a connecting rod 4, an external thread 5, an internal thread 6 and a cotton swab head 7. The connecting rod 4 is screwed to the middle of the sampling rod 1. The surface of one end of the connecting rod 4 is provided with an external thread 5. One end of the connecting rod 4 is provided with a cotton swab head 7.

[0023] The adjustment component 3 includes a groove 8, a rotating shaft 9, an extension rod 10, an axial hole 11, a positioning column 12, a clamping groove 13, a limiting groove 14 and a cutting groove 15. The groove 8 is opened in the middle of one side of the sampling rod 1, and the extension rod 10 is installed near one end of the groove 8 through the rotating shaft 9. The extension rod 10 is located on one side of the rotating shaft 9 and is provided with a plurality of positioning columns 12. The sampling rod 1 is located on both sides of the rotating shaft 9 and is symmetrically provided with a plurality of clamping grooves 13, and the bottom end of the clamping groove 13 is provided with a limiting groove 14.

[0024] The connecting rod 4 is provided with an internal thread 6 at a position corresponding to the external thread 5 , so as to facilitate the screw connection of the connecting rod 4 .

[0025] The cotton swab head 7 is made into a spherical, elliptical or cylindrical shape, so that the cotton swab head 7 to be installed can be selected according to the needs.

[0026] The extension rod 10 and the sampling rod 1 are both provided with shaft holes 11 at positions corresponding to the rotating shaft 9, so as to facilitate the coordinated installation and use.

[0027] The limiting grooves 14 , the engaging grooves 13 and the positioning posts 12 are provided in the same number and in one-to-one correspondence with each other, so as to facilitate coordinated use.

[0028] A pick-out groove 15 is provided on the sampling rod 1 at one end of the extension rod 10 to facilitate picking out the extension rod 10 when in use.

[0029] Working principle: When the utility model is used, the cell collection operation can be performed through the cotton swab head 7 at one end of the sampling rod 1. When it is necessary to replace the cotton swab head 7 of a different shape, the cotton swab head 7 is packaged separately. The connecting rod 4 on the selected cotton swab head 7 cooperates with the external thread 5 and the internal thread 6, so that the new cotton swab head 7 can be installed on the sampling rod 1, which is convenient for selection and use according to needs and has strong applicability. When the sampling rod 1 needs to be extended, the extension rod 10 is pulled out through the pull-out groove 15. When the extension rod 10 is pulled out, the positioning column 12 on the extension rod 10 is pulled out from the limiting groove 14 through the clamping groove 13, and the extension rod 10 is rotated to the right side with the cooperation of the rotating shaft 9. At the same time, the positioning column 12 on the extension rod 10 enters the limiting groove 14 through the clamping groove 13, and the extension rod 10 can be extended for use.

[0030] Beneficial effects: The utility model has a novel structure and an ingenious design, and is convenient for selecting and installing a corresponding cotton swab head 7 according to usage needs. At the same time, the length of the sampling rod 1 can be extended as needed, and the applicability is strong.

[0031] Through the personnel in this field, all the electrical components in this case are connected to their corresponding power supplies through wires, and appropriate controllers and encoders should be selected according to actual conditions to meet the control requirements. The specific connection and control sequence should refer to the following working principle, and the electrical connection between the electrical components is completed in the order of working in sequence. The detailed connection means are well-known technologies in this field. The following mainly introduces the working principles and processes, and no longer explains the electrical control.

[0032] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A cell collection sampling device, comprising a sampling rod (1) for use, characterized in that: It also comprises a sampling head assembly (2) and an adjustment assembly (3), wherein one end of the sampling rod (1) is provided with the sampling head assembly (2), and the middle part of the sampling rod (1) is provided with the adjustment assembly (3); The sampling head assembly (2) comprises a connecting rod (4), an external thread (5), an internal thread (6) and a cotton swab head (7); the connecting rod (4) is screwed to the middle part of the sampling rod (1); the surface of one end of the connecting rod (4) is provided with an external thread (5); and the cotton swab head (7) is provided at one end of the connecting rod (4); The adjustment assembly (3) comprises a groove (8), a rotating shaft (9), an extension rod (10), an axis hole (11), a positioning column (12), a clamping groove (13), a limiting groove (14) and a cutting groove (15); the groove (8) is arranged in the middle of one side of the sampling rod (1); an extension rod (10) is installed in the groove (8) near one end through the rotating shaft (9); a plurality of positioning columns (12) are arranged on one side of the rotating shaft (9) of the extension rod (10); a plurality of clamping grooves (13) are symmetrically arranged on both sides of the sampling rod (1) on the rotating shaft (9); and a limiting groove (14) is arranged at the bottom end of each clamping groove (13).

2. A cell collection and sampling device as claimed in claim 1, characterized in that: The connecting rod (4) is provided with an internal thread (6) at a position corresponding to the external thread (5).

3. A cell collection and sampling device as claimed in claim 1, characterized in that: The cotton swab head (7) is made into a spherical, elliptical or cylindrical shape.

4. A cell collection and sampling device as claimed in claim 1, characterized in that: The extension rod (10) and the sampling rod (1) are both provided with shaft holes (11) at positions corresponding to the rotating shaft (9).

5. A cell collection and sampling device as claimed in claim 1, characterized in that: The limiting grooves (14), the clamping grooves (13) and the positioning posts (12) are arranged in the same number and have positions corresponding to each other.

6. A cell collection and sampling device as claimed in claim 1, characterized in that: A cutting groove (15) is provided on the sampling rod (1) at one end of the extension rod (10).

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