CN115290391A - A safety sampling device for chemical detection of pharmaceuticals - Google Patents

Abstract

The invention discloses a safe sampling device for chemical detection of medicines, which belongs to the technical field of chemical detection of medicines and comprises a fixed plate, wherein an insert sleeve is arranged at the upper end of the fixed plate, a clamping assembly is arranged in the middle of the insert sleeve, a liquid storage pipe is clamped in the middle of the clamping assembly, a layer to be broken is arranged at the upper end of the liquid storage pipe, a protective cylinder is arranged above the insert sleeve, a spring is arranged on the surface of the protective cylinder, and the upper end of the spring is connected with a hook plate; the liquid storage tube is provided with the protective tube, the protective tube is connected to the plug bush in a threaded engagement mode through the external thread tube, the liquid storage tube is protected through the protective tube, damage caused by overexertion is avoided, and the protection performance is improved.

Description

A safety sampling device for chemical testing of medicines

technical field

The invention belongs to the technical field of chemical detection of medicines, and in particular relates to a safety sampling device for chemical detection of medicines.

Background technique

In the process of chemical testing of medicines, it is necessary to sample the medicines. Since there are many kinds of medicines, it is often necessary to take samples through the sampling device and then classify them. In the current process of sampling liquid medicine, a syringe and a loading tube are often used together. When in use, the syringe can be used to inhale the drug, and then inject it into the loading tube, and then insert the port of the loading tube into the rubber plug.

The prior art discloses a sampling device for chemical testing of pharmaceuticals, which cannot be used to fix liquid storage tubes of different sizes, resulting in limited use; the liquid storage tube leaks, which is easy to cause damage and increase costs; the sampling needle cannot Replacement will cause limited use and affect use.

Contents of the invention

In order to solve the problems raised in the above-mentioned background technology. The invention provides a safe sampling device for chemical testing of medicines, which has the characteristics of convenient fixing of liquid storage tubes of different sizes, good protection of the liquid storage tubes and replaceable sampling needles.

In order to achieve the above object, the present invention provides the following technical solutions: a safety sampling device for chemical detection of medicines, comprising a fixed plate, a socket is provided at the upper end of the fixed plate, and a clamping assembly is provided in the middle of the socket. A liquid storage tube is clamped in the middle of the clamping assembly, the upper end of the liquid storage tube is provided with a layer to be broken, and a protective sleeve is provided above the sleeve, and a spring is provided on the surface of the protective sleeve, and the spring The upper end is connected with a hook plate, the upper end of the hook plate is provided with a support cover, and a sampling needle is provided in the middle of the support cover.

Further, the clamping assembly includes an adjusting disc, a screw, a clamping plate and a rotating seat, wherein, two ends of the sleeve are provided with a screw, the side of the screw is provided with an adjusting disc, and the other side of the screw is One end is provided with a clamping plate, and the clamping plate and the screw rod are rotatably connected through a rotating seat.

Further, the screw rod is threadedly engaged with the socket.

Further, the clamping plate has a circular arc structure, and the inner wall of the clamping plate is provided with a rubber pad.

Further, the lower end of the casing is provided with a screwing end, the lower end of the screwing end is provided with an externally threaded pipe, and the upper end of the sleeve is provided with an internal thread groove.

Further, the surface of the screw-on end is evenly provided with anti-skid lines.

Further, the support cover includes a fixed cover, a support cylinder, a guide block, an internal thread groove, an external thread cylinder, and a clamping block, wherein a guide block is provided inside the upper end of the support cylinder, and a guide block is provided on the inner wall of the support cylinder. There is an internal thread groove, the upper end of the support cylinder is provided with a fixed cover, the lower end of the fixed cover is provided with an external thread cylinder, and the inner wall of the external thread cylinder is provided with clamping blocks.

Further, a rubber stopper is provided in the middle of the upper end of the fixed cover.

Further, the upper end of the guide block and the lower end of the clamping block are inclined structures, and the upper end of the guide block is not in parallel contact with the lower end of the clamping block.

Further, the surface of the fixed cover is provided with anti-skid lines.

Compared with prior art, the beneficial effect of the present invention is:

1. The present invention sets the clamping assembly, installs the liquid storage tube of the corresponding size according to the sampling requirements, inserts the liquid storage tube into the sleeve and turns the adjusting disc to rotate the screw, and the screw pushes the clamping plate to move, and the clamping plates at both ends will store The liquid pipe is clamped to avoid falling off and meet different application requirements;

2. The present invention is equipped with a protective tube, and the protective tube is connected to the sleeve through the thread engagement of the external threaded pipe, and the liquid storage pipe is protected by the protective tube to avoid damage caused by excessive force and improve the protection;

3. In the present invention, a detachable support cover is provided, the sampling needle is inserted into the rubber plug, the fixed cover is screwed, the external thread cylinder rotates on the internal thread groove, the clamping block moves down to contact the guide block, and the clamping block continues to move down, The guide block pushes the clamping block, and the clamping block deforms to clamp the sampling needle, ensuring that the sampling needle is firmly fixed and easy to use.

Description of drawings

Fig. 1 is a structural representation of the present invention;

Fig. 2 is a sectional view of the present invention;

Fig. 3 is a schematic structural view of the clamping assembly of the present invention;

Fig. 4 is the schematic diagram of casing installation structure of the present invention;

Fig. 5 is a structural schematic diagram of the support cover of the present invention;

In the figure: 1. sampling needle; 2. support cover; 21. rubber plug; 22. fixed cover; 23. support cylinder; 24. guide block; 25. internal thread groove; 26. external thread cylinder; 27. clamping block ;3, hook plate; 4, spring; 5, fixed plate; 6, socket; 7, clamping assembly; 71, adjusting disc; ; 8. Casing; 9. Liquid storage pipe; 10. Layer to be broken; 11. Screw end; 12. Internal screw groove; 13. External threaded pipe.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

Example 1

Please refer to Figures 1-5, the present invention provides the following technical solutions: a safe sampling device for chemical testing of pharmaceuticals, including a fixed plate 5, a plug sleeve 6 is arranged on the upper end of the fixed plate 5, and a clamping assembly is arranged in the middle of the plug sleeve 6 7. The liquid storage tube 9 is clamped in the middle of the clamping assembly 7. The upper end of the liquid storage tube 9 is provided with a layer 10 to be broken, and a protective sleeve 8 is provided above the sleeve 6. A spring 4 is provided on the surface of the protective sleeve 8. The spring The upper end of 4 is connected with a hook plate 3, the upper end of the hook plate 3 is provided with a support cover 2, and the middle of the support cover 2 is provided with a sampling needle 1.

Further in the present invention, the clamping assembly 7 includes an adjusting disc 71, a screw rod 72, a clamping plate 73 and a rotating seat 75, wherein the two ends of the sleeve 6 are provided with a screw rod 72, and the side of the screw rod 72 is provided with an adjusting disc 71 , the other end of the screw rod 72 is provided with a clamping plate 73, and the clamping plate 73 and the screw rod 72 are rotatably connected by a rotating seat 75,

By adopting the above technical solution, the screw rod 72 is rotated by turning the adjusting disc 71, the screw rod 72 pushes the clamping plate 73 to move, and the clamping plates 73 at both ends clamp the liquid storage tube 9 to avoid falling off.

Further in the present invention, the screw rod 72 is threadedly engaged with the socket 6,

By adopting the above technical solution, the clamping plate 73 is conveniently rotated to move.

Further in the present invention, the clamping plate 73 has a circular arc structure, and the inner wall of the clamping plate 73 is provided with a rubber pad 74,

By adopting the above technical solution, the clamping plate 73 can clamp the liquid storage tube 9 without damage.

When using this embodiment, install the liquid storage tube 9 of the corresponding size according to the sampling requirements, insert the liquid storage tube 9 into the sleeve 6, turn the adjusting disc 71 to rotate the screw 72, the screw 72 pushes the clamping plate 73 to move, and the two ends The clamping plate 73 clamps the liquid storage tube 9 to prevent it from falling off. Put the fixing plate 5 on the palm of your hand, hook the hook plate 3 with your fingers, insert the sampling needle 1 into the liquid drug to be sampled, pull the hook plate 3, and support the cover 2 Slide on the outer surface of the casing 8, the hook plate 3 compresses the spring 4, and the sampling needle 1 moves accordingly until the oblique blade of the sampling needle 1 penetrates the layer 10 to be broken. Left and right, the liquid medicine is sucked into the liquid storage tube 9 through the sampling needle 1, and the hook plate 3 is slowly released. Through the rebound of the spring 4, the sampling needle 1 is continuously released from the layer 10 to be broken, and the layer 10 to be broken is taken by the sampling needle 1. The penetrating position is blocked immediately, and the liquid storage tube 9 is taken off, and the sampling is completed;

Example 2

This embodiment differs from Embodiment 1 in that: the lower end of the casing 8 is provided with a screwing end 11, the lower end of the screwing end 11 is provided with an externally threaded pipe 13, and the upper end of the sleeve 6 is provided with an internal screw groove 12,

By adopting the above technical solution, the protective tube 8 is threadedly connected to the socket 6 through the externally threaded pipe 13, and the liquid storage tube 9 is protected by the protective tube 8 to avoid damage caused by excessive force.

Further in the present invention, the surface of the screw end 11 is evenly provided with anti-slip lines,

By adopting the above technical solution, it is ensured that the screw end 11 will not slip when rotating, and it is convenient to screw and fix.

When this embodiment is used, the protective tube 8 is threadedly connected to the socket 6 through the externally threaded pipe 13, and the liquid storage tube 9 is protected by the protective tube 8 to avoid damage caused by excessive force and improve the protection;

Example 3

This embodiment differs from Embodiment 1 and Embodiment 2 in that the support cover 2 includes a fixed cover 22, a support cylinder 23, a guide block 24, an internal thread groove 25, an external thread cylinder 26 and a clamping block 27, wherein the support The upper end of the cylinder 23 is provided with a guide block 24, the inner wall of the support cylinder 23 is provided with an internal thread groove 25, the upper end of the support cylinder 23 is provided with a fixed cover 22, and the lower end of the fixed cover 22 is provided with an external thread cylinder 26, and the external thread cylinder 26 Clamping blocks 27 are arranged around the inner wall of the

Further in the present invention, a rubber stopper 21 is arranged in the middle of the upper end of the fixed cover 22,

By adopting the above technical solution, it is convenient to insert the sampling needle 1 into the rubber stopper 21 and pre-fix it.

Further in the present invention, the upper end of the guide block 24 and the lower end of the clamping block 27 are inclined structures, the upper end of the guide block 24 is not in parallel contact with the lower end of the clamping block 27,

By adopting the above technical solution, the clamping block 27 moves down to contact the guide block 24, the clamping block 27 continues to move down, the guide block 24 pushes the clamping block 27, and the clamping block 27 deforms to clamp the sampling needle 1.

Further in the present invention, the surface of the fixed cover 22 is provided with anti-slip lines,

By adopting the above-mentioned technical solution, it is ensured that the screwing is firm and the portability of use is improved.

When using this embodiment, install the sampling needle 1 of the corresponding size according to the use requirements, insert the sampling needle 1 into the rubber plug 21, screw the fixed cover 22, rotate the external thread cylinder 26 on the internal thread groove 25, and press the clamping block 27 Move to contact with the guide block 24, the clamping block 27 continues to move down, the guide block 24 pushes the clamping block 27, the clamping block 27 deforms and clamps the sampling needle 1, ensuring the fixing reliability of the sampling needle 1, and is convenient to use;

The structure and usage principle of the sampling needle 1, the support cover 2, the hook plate 3, the spring 4, the fixing plate 5, the sleeve 6, the liquid storage tube 9 and the layer 10 to be broken in the present invention are disclosed in Chinese patent application number 202120812326.X It has been disclosed in a sampling device for chemical detection of medicines.

The working principle and application process of the present invention: when using the present invention, install the liquid storage tube 9 of the corresponding size according to the sampling requirements, insert the liquid storage tube 9 into the sleeve 6, turn the adjusting disc 71 to rotate the screw 72, and the screw 72 pushes the The clamping plate 73 moves, and the clamping plates 73 at both ends clamp the liquid storage tube 9 to avoid falling off. Install the sampling needle 1 of the corresponding size according to the use requirements, insert the sampling needle 1 into the rubber plug 21, and screw the fixed cover 22. The external thread cylinder 26 rotates on the internal thread groove 25, the clamping block 27 moves down and contacts the guide block 24, the clamping block 27 continues to move down, the guide block 24 pushes the clamping block 27, and the deformation of the clamping block 27 moves the sampling needle 1, to ensure the firmness of the sampling needle 1, place the fixing plate 5 on the palm of your hand, hook the hook plate 3 with your fingers, insert the sampling needle 1 into the liquid drug to be sampled, pull the hook plate 3, and the support cover 2 is in the protective The outer surface of the cylinder 8 slides, the hook plate 3 compresses the spring 4, and the sampling needle 1 moves accordingly until the oblique blade of the sampling needle 1 penetrates the layer 10 to be broken. Due to the vacuum state in the liquid storage tube 9, under vacuum, The liquid medicine is sucked into the liquid storage tube 9 through the sampling needle 1, and the hook plate 3 is slowly released, and the rebound of the spring 4 makes the sampling needle 1 continuously protrude from the layer 10 to be broken, and the layer 10 to be broken is penetrated by the sampling needle 1 The position is blocked immediately, the liquid storage tube 9 is removed, and the sampling is completed; the protective tube 8 is threadedly connected to the socket 6 through the external threaded tube 13, and the protective tube 8 is used to protect the liquid storage tube 9 to avoid damage caused by excessive force. Improve protection.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes, modifications and substitutions can be made to these embodiments without departing from the principle and spirit of the present invention. and modifications, the scope of the invention is defined by the appended claims and their equivalents.

Claims (10)

1. A safe sampling device for chemical detection of medicines, comprising a fixed plate (5), characterized in that: the upper end of the fixed plate (5) is provided with a socket (6), and the middle of the socket (6) is arranged There is a clamping assembly (7), the middle of the clamping assembly (7) clamps a liquid storage tube (9), the upper end of the liquid storage tube (9) is provided with a layer to be broken (10), and the inserting sleeve The top of (6) is provided with casing (8), and the surface of described casing (8) is provided with spring (4), and the upper end of described spring (4) is connected with hook plate (3), and described hook plate ( 3) is provided with a support cover (2) at the upper end, and a sampling needle (1) is provided in the middle of the support cover (2). 2. A safety sampling device for chemical detection of medicines according to claim 1, characterized in that: the clamping assembly (7) includes an adjusting disc (71), a screw (72), a clamping plate (73) and Rotary seat (75), wherein, the two ends of the socket (6) are provided with screw rods (72), the side of the screw rod (72) is provided with an adjustment disc (71), and the other side of the screw rod (72) One end is provided with a clamping plate (73), and the clamping plate (73) and the screw rod (72) are rotatably connected through a rotating seat (75). 3. A safe sampling device for chemical detection of medicines according to claim 2, characterized in that: the screw (72) is threadedly engaged with the socket (6). 4. A safe sampling device for chemical detection of medicines according to claim 2, characterized in that: the clamping plate (73) is in a circular arc structure, and the inner wall of the clamping plate (73) is provided with a rubber pad (74). 5. A safety sampling device for chemical detection of medicines according to claim 1, characterized in that: the lower end of the casing (8) is provided with a screw end (11), and the screw end (11) is The lower end is provided with an external threaded pipe (13), and the upper end of the socket (6) is provided with an internal screw groove (12). 6. A safety sampling device for chemical detection of medicines according to claim 5, characterized in that: the surface of the screw end (11) is evenly provided with anti-slip lines. 7. A safety sampling device for chemical detection of medicines according to claim 1, characterized in that: the support cover (2) comprises a fixed cover (22), a support cylinder (23), a guide block (24), an inner Threaded groove (25), external thread cylinder (26) and clamping block (27), wherein, the upper end of the support cylinder (23) is provided with a guide block (24), and the inner wall of the support cylinder (23) is provided with There is an internal thread groove (25), the upper end of the support cylinder (23) is provided with a fixed cover (22), the lower end of the fixed cover (22) is provided with an external thread cylinder (26), and the external thread cylinder (26) ) is provided with clamping blocks (27) around the inner wall. 8. A safety sampling device for chemical detection of medicines according to claim 7, characterized in that a rubber stopper (21) is arranged in the middle of the upper end of the fixed cover (22). 9. A safety sampling device for chemical detection of medicines according to claim 7, characterized in that: the upper end of the guide block (24) and the lower end of the clamping block (27) are inclined structures, and the guide block The upper end of (24) is not in parallel contact with the lower end of the clamping block (27). 10. A safety sampling device for chemical detection of medicines according to claim 7, characterized in that: the surface of the fixed cover (22) is provided with anti-skid lines.

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