Degreasing agent sampling device

Abstract

The degreasing agent sampling device comprises a sampling needle cylinder, a sampling head is arranged at one end of the sampling needle cylinder, an end cover is installed at the other end of the sampling needle cylinder in a threaded mode, a penetrating through groove is formed in the center of the end cover, and an installation groove is formed in the side, away from the sampling head, of the end cover. Two movable grooves are formed in the positions, around the through groove, of the side, close to the sampling head, of the mounting groove in an array mode, movable blocks are installed in the two movable grooves, limiting clamping blocks are arranged on the sides, close to the through groove, of the movable blocks, and the ends, away from the movable blocks, of the limiting clamping blocks penetrate into the through groove. According to the degreasing agent sampling device, the movement of the pull rod is limited through the clamping of the limiting clamping groove and the limiting clamping block, so that the situation that in the process of moving a degreasing agent sample, the sample in the sampling needle cylinder is pushed out by the piston due to the fact that the pull rod is touched or the pull rod is collided, and the sample leaks is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of degreasing agent analysis and detection, in particular to a degreasing agent sampling device. Background Technique

[0002] Before spraying, the surface of the workpiece needs to be degreased, and a degreasing agent is required during the treatment process.

[0003] During the production process of the degreasing agent, it is necessary to detect its components to ensure the quality of the degreasing agent. During the sampling process of the degreasing agent, a syringe is often used for sampling. By pulling the rod of the syringe, an appropriate amount of sampling agent is sucked into the syringe barrel. However, during the movement after sampling with the existing syringe, the rod is likely to move due to touch and collision, resulting in the movement of the piston in the syringe barrel, and thus the degreasing agent sample in the syringe barrel leaks out.

[0004] Therefore, we make improvements and propose a degreasing agent sampling device. Content of the Utility Model

[0005] In order to solve the above technical problems, the utility model provides the following technical solutions:

[0006] A degreasing agent sampling device of the utility model includes a sampling syringe barrel. One end of the sampling syringe barrel is provided with a sampling head. The other end of the sampling syringe barrel is threadedly installed with an end cap. A through groove is provided in the center of the end cap. An installation groove is provided on the side of the end cap away from the sampling head. Two movable grooves are arranged in an array around the through groove on the side of the installation groove close to the sampling head. Movable blocks are installed inside both of the two movable grooves. A limiting block is provided on the side of the movable block close to the through groove, and one end of the limiting block away from the movable block penetrates into the through groove. A piston is installed inside the sampling syringe barrel. A rod is provided on the side of the piston away from the sampling head. One end of the rod away from the piston penetrates out of the sampling syringe barrel through the inner side of the through groove, and the penetrated end is connected with a handle. Two groups of uniformly distributed limiting card slots are symmetrically arranged on the surface of the rod, and the two groups of limiting card slots correspond to the positions of the two groups of limiting blocks respectively.

[0007] As a preferred technical solution of the utility model, the side of the limiting block close to the sampling head is inclined.

[0008] As a preferred technical solution of the utility model, two limiting grooves are also symmetrically arranged on the surface of the rod. Two limiting prisms are symmetrically arranged on the inner side of the through groove. The limiting prisms and the limiting grooves are of matching shapes and sizes, and the two limiting prisms respectively penetrate into the two limiting grooves.

[0009] As a preferred technical solution of the present utility model, a spring is further installed inside the movable slot, and two ends of the spring respectively abut against the inner wall of the movable slot and the side of the movable block away from the limit latch.

[0010] As a preferred technical solution of the present utility model, a movable pin is arranged on the side of the movable block away from the sampling head. A rotating block is installed inside the installation slot, and the pull rod penetrates through the rotating block. Two pressing plates are arranged in a circumferential array on the side of the rotating block close to the movable slot, and the two pressing plates are located between the two movable pins.

[0011] As a preferred technical solution of the present utility model, the distance from the side of the pressing plate close to the movable pin to the center of the through slot gradually increases from one end to the other end.

[0012] As a preferred technical solution of the present utility model, one end of the rotating block penetrates out of the installation slot, and anti-slip lines are arranged on the outer side of the penetrated part.

[0013] The beneficial effects of the present utility model are as follows:

[0014] The present utility model restricts the movement of the pull rod through the engagement of the limit card slot and the limit latch, thereby avoiding the situation that during the process of moving the degreasing agent sample, the piston pushes the sample in the sampling syringe out due to touching the pull rod or the pull rod being collided, resulting in sample leakage. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] By describing the exemplary embodiments of the present disclosure in more detail in conjunction with the drawings, the above and other objects, features and advantages of the present disclosure will become more obvious. Among them, in the exemplary embodiments of the present disclosure, the same reference numerals generally represent the same components.

[0016] Figure 1 is a perspective view of the degreasing agent sampling device of the present utility model;

[0017] Figure 2 is a perspective view of the degreasing agent sampling device of the present utility model after hiding the sampling syringe;

[0018] Figure 3 is a detailed perspective view of the end cover and the pull rod of the degreasing agent sampling device of the present utility model;

[0019] Figure 4 is a perspective view of the rotating block of the degreasing agent sampling device of the present utility model;

[0020] Figure 5 is a partial cross-sectional view of the degreasing agent sampling device of the present utility model;

[0021] Figure 6 is the degreasing agent sampling device of the present utility modelFigure 5 Partial enlarged view at position A in the figure.

[0022] In the figure: 1. Sampling syringe; 2. Sampling head; 3. End cap; 4. Through groove; 5. Installation groove; 6. Movable groove; 7. Movable block; 8. Limit clamping block; 9. Piston; 10. Pull rod; 11. Handle; 12. Limit card slot; 13. Limit groove; 14. Limit prism; 15. Spring; 16. Movable pin; 17. Rotating block; 18. Extrusion plate. Detailed implementation manners

[0023] The preferred embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although the preferred embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure can be implemented in various forms and should not be limited by the embodiments set forth herein. On the contrary, these embodiments are provided to make the present disclosure more thorough and complete, and to fully convey the scope of the present disclosure to those skilled in the art.

[0024] Example: As Figures 1-6 shown, the degreasing agent sampling device of the present utility model includes a sampling syringe 1. The sampling syringe 1 is made of a transparent material and is provided with scales on its surface to facilitate controlling the amount of the sample drawn into the sampling syringe 1. One end of the sampling syringe 1 is provided with a sampling head 2, and the degreasing agent sample can enter the sampling syringe 1 from the inside of the sampling head 2. The other end of the sampling syringe 1 is threadedly installed with an end cap 3. A through groove 4 is provided at the center of the end cap 3. An installation groove 5 is provided on the side of the end cap 3 away from the sampling head 2. Two movable grooves 6 are arranged in an array around the through groove 4 on the side of the installation groove 5 close to the sampling head 2. Movable blocks 7 are installed inside the two movable grooves 6. A limit clamping block 8 is provided on the side of the movable block 7 close to the through groove 4, and one end of the limit clamping block 8 away from the movable block 7 penetrates into the through groove 4. A piston 9 is installed inside the sampling syringe 1. A pull rod 10 is provided on the side of the piston 9 away from the sampling head 2. One end of the pull rod 10 away from the piston 9 penetrates out of the sampling syringe 1 from the inside of the through groove 4, and the penetrated end is connected with a handle 11. Two groups of uniformly distributed limit card slots 12 are symmetrically arranged on the surface of the pull rod 10, and the two groups of limit card slots 12 correspond to the positions of the two groups of limit clamping blocks 8 respectively.

[0025] Among them, the side of the limit clamping block 8 close to the sampling head 2 is inclined, so that the pull rod 10 can be pulled unidirectionally, thereby facilitating the drawing of the degreasing agent sample into the sampling syringe 1.

[0026] Among them, two limiting grooves 13 are symmetrically arranged on the surface of the pull rod 10, and two limiting prisms 14 are symmetrically arranged on the inner side of the through groove 4. The limiting prisms 14 and the limiting grooves 13 are adapted in shape and size, and the two limiting prisms 14 are respectively inserted into the two limiting grooves 13. The rotation of the pull rod 10 is restricted by the arrangement of the limiting prisms 14 and the limiting grooves 13, so that the limiting card slot 12 can always correspond to the limiting card block 8.

[0027] Among them, a spring 15 is also installed inside the movable groove 6, and the two ends of the spring 15 are respectively abutted against the inner wall of the movable groove 6 and the side of the movable block 7 away from the limiting card block 8. The self-return of the limiting card block 8 is realized through the spring 15, so that the limiting card block 8 can enter the through groove 4 and be engaged with the limiting card slot 12.

[0028] Among them, a movable pin 16 is arranged on the side of the movable block 7 away from the sampling head 2, a rotating block 17 is installed inside the installation groove 5, and the pull rod 10 passes through the rotating block 17. Two pressing plates 18 are arranged in a circumferential array on the side of the rotating block 17 close to the movable groove 6, and the two pressing plates 18 are located between the two movable pins 16.

[0029] Among them, the distance from the side of the pressing plate 18 close to the movable pin 16 to the center of the through groove 4 gradually increases from one end to the other end. During the rotation of the pressing plate 18, the movable pin 16 can be pushed in the direction away from the center of the through groove 4.

[0030] Among them, one end of the rotating block 17 passes out of the installation groove 5, and anti-slip lines are arranged on the outer side of the passing-out part, which is convenient for rotating the rotating block 17.

[0031] Working principle:

[0032] During the use of the utility model, first insert the sampling head 2 at one end of the sampling syringe 1 of the utility model into the degreasing agent to be sampled. Subsequently, pull the pull rod 10 in the utility model through the handle 11 to drive the piston 9 to move. By means of the piston 9, a negative pressure is formed in the sampling syringe 1, so as to suck the degreasing agent into the sampling syringe 1. During this process, due to the inclined setting of one side of the limit clamping block 8, when the pull rod 10 is pulled out, when the inner wall of the limit clamping groove 12 contacts the inclined side of the limit clamping block 8, a lateral force can be generated to push the limit clamping block 8 towards the inside of the movable groove 6, so that the pulling out of the pull rod 10 is not affected. At the same time, since the other side of the limit clamping block 8 will abut against the inner wall of the limit clamping groove 12, it is impossible to push the pull rod 10, thus preventing the pull rod 10 from driving the piston 9 to move and pushing out the degreasing agent in the sampling syringe 1, resulting in the leakage of the sample. When it is necessary to take out the degreasing agent sample in the sampling syringe 1, only need to rotate the rotating block 17. Drive the two pressing plates 18 to move through the rotating block 17. Since the distance from one end of the pressing plate 18 to the center of the through groove 4 is greater than the distance from the other end of the pressing plate 18 to the center of the through groove 4, during the rotation process, the pressing plate 18 will push the movable block 7 to move away from the center of the through groove 4 through the movable pin 16, so that the limit clamping block 8 exits the through groove 4. At this time, the pull rod 10 can be pushed to discharge the degreasing agent sample in the sampling syringe 1.

[0033] To facilitate the understanding of the solution and its effects of the embodiments of the utility model, a specific application example is given below. Those skilled in the art should understand that this example is only for facilitating the understanding of the utility model, and any specific details are not intended to limit the utility model in any way.

[0034] Those skilled in the art should understand that the purpose of the above description of the embodiments of the utility model is only to exemplarily illustrate the beneficial effects of the embodiments of the utility model, and is not intended to limit the embodiments of the utility model to any of the examples given.

[0035] The above has described the embodiments of the utility model. The above description is exemplary and not exhaustive, and is not limited to the disclosed embodiments. Many modifications and changes are obvious to those of ordinary skill in the art in the technical field without departing from the scope and spirit of the described embodiments.

Claims

1. A degreasing agent sampling device, characterized in that, It includes a sampling syringe (1), one end of the sampling syringe (1) is provided with a sampling head (2), the other end of the sampling syringe (1) is threadedly installed with an end cap (3), a through groove (4) is provided in the center of the end cap (3), an installation groove (5) is provided on the side of the end cap (3) away from the sampling head (2), two movable grooves (6) are arranged in an array around the through groove (4) on the side of the installation groove (5) close to the sampling head (2), movable blocks (7) are installed in both of the two movable grooves (6), a limit clamping block (8) is provided on the side of the movable block (7) close to the through groove (4), and one end of the limit clamping block (8) away from the movable block (7) penetrates into the through groove (4). A piston (9) is installed inside the sampling syringe (1), a pull rod (10) is provided on the side of the piston (9) away from the sampling head (2), one end of the pull rod (10) away from the piston (9) passes through the inner side of the through groove (4) and extends out of the sampling syringe (1), and the extended end is connected with a handle (11). Two groups of uniformly distributed limit card slots (12) are symmetrically arranged on the surface of the pull rod (10), and the two groups of limit card slots (12) correspond to the positions of the two groups of limit clamping blocks (8) respectively.

2. The degreasing agent sampling device according to claim 1, characterized in that, The side of the limit clamping block (8) close to the sampling head (2) is inclined.

3. The degreasing agent sampling device according to claim 1, characterized in that, Two limit grooves (13) are also symmetrically arranged on the surface of the pull rod (10), two limit prisms (14) are symmetrically arranged on the inner side of the through groove (4), the limit prisms (14) and the limit grooves (13) are of matching shapes and sizes, and the two limit prisms (14) respectively penetrate into the two limit grooves (13).

4. The degreasing agent sampling device according to claim 1, characterized in that, A spring (15) is also installed inside the movable groove (6), and both ends of the spring (15) are abutted against the inner wall of the movable groove (6) and the side of the movable block (7) away from the limit clamping block (8) respectively.

5. The degreasing agent sampling device according to claim 1, characterized in that, A movable pin (16) is provided on the side of the movable block (7) away from the sampling head (2), a rotating block (17) is installed inside the installation groove (5), and the pull rod (10) penetrates through the rotating block (17). Two pressing plates (18) are arranged in a circumferential array on the side of the rotating block (17) close to the movable groove (6), and the two pressing plates (18) are located between the two movable pins (16).

6. The degreasing agent sampling device according to claim 5, characterized in that, The distance from the side of the pressing plate (18) close to the movable pin (16) to the center of the through groove (4) gradually increases from one end to the other end.

7. The degreasing agent sampling device according to claim 5, characterized in that One end of the rotating block (17) extends out of the installation groove (5), and anti-slip lines are provided on the outer side of the extended part.

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