Liquid sampling device for engineering supervision

Abstract

The utility model relates to the technical field of liquid sampling, and solves the problems that a sampling device is easy to damage and the working efficiency is influenced due to the fact that the device is easy to block after multiple times of sampling. The liquid sampling device for engineering supervision comprises an operating rod, a sampling piece is installed at one end of the operating rod, and a driving device used for pushing the sampling piece to conduct sampling towards the interior of a preset face is connected between the sampling piece and the operating rod; the sampling piece comprises a sampling shell connected with the driving device and a sample storage shell mounted at the lower end of the sampling shell, a perfusion inner cavity communicated with the sample storage shell is formed in the sampling shell, a bearing inner cavity for bearing liquid discharged from the perfusion inner cavity is formed in the sample storage shell, and the sample storage shell is arranged at the lowest end of the sampling device and is conical; a filling opening is annularly formed in the side wall of the sampling shell, and a screening net for isolating sundries covers the filling opening.

Description

TECHNICAL FIELD

[0001] The utility model relates to liquid sampling technical field, concretely is a liquid sampling device for engineering supervision. BACKGROUND

[0002] The existing liquid material sampling device for building supervision is difficult to collect liquid material, and after sampling, it is difficult to prevent the liquid material from leaking out of the device, and the device is prone to blockage after multiple sampling, which eventually leads to damage of the sampling device and affects work efficiency. UTILITY MODEL CONTENT

[0003] To overcome the defects of the prior art, the utility model provides a liquid sampling device for engineering supervision, which solves the problem of blockage of the device after multiple sampling, which eventually leads to damage of the sampling device and affects work efficiency.

[0004] To achieve the above purpose, the utility model provides the following technical scheme: a liquid sampling device for engineering supervision, comprising an operating rod, a sampling piece is installed at one end of the operating rod, and a driving device for pushing the sampling piece to sample inside a preset surface is connected between the sampling piece and the operating rod;

[0005] The sampling piece comprises a sampling shell connected with the driving device and a sample storage shell installed at the lower end of the sampling shell, a perfusion inner cavity for communication with the sample storage shell is formed in the sampling shell, a bearing inner cavity for receiving liquid discharged from the perfusion inner cavity is formed in the sample storage shell, and the sample storage shell is arranged at the lowermost end of the sampling device and is conical;

[0006] A pouring port is formed in the side wall of the sampling shell in a ring shape, and a screening mesh for isolating sundries is arranged on the pouring port.

[0007] In one embodiment, a plurality of screening holes for screening sundries are formed in the screening mesh, a scraper for extruding soil is installed at one end of the screening mesh, the scraper is installed on the sampling shell in an inclined manner, and the diameter of the range surrounded by the plurality of scrapers is greater than the diameter of the range surrounded by the plurality of screening meshes;

[0008] The driving device and the sampling piece are connected with a mounting plate, the diameter of the mounting plate is less than the diameter of the range surrounded by the plurality of scrapers, but greater than the diameter of the range surrounded by the plurality of screening meshes.

[0009] In one embodiment, a plurality of flow channels for conveying liquid into the bearing inner cavity are formed in the bottom of the perfusion inner cavity, the flow channels are formed in a frustum shape, and the diameter of the upper end thereof is less than the diameter of the lower end thereof.

[0010] In one embodiment, the driving device comprises a sleeve shell and a pushing motor installed inside the sleeve shell, a pushing rod connected with the pushing motor is arranged in the sleeve shell, the pushing rod extends outside the sleeve shell and is connected with the mounting plate.

[0011] In one of the embodiments, the opening width of the pouring port is less than the diameter of the screening mesh, and the structure of the scraper in contact with the soil is arc-shaped.

[0012] In one of the embodiments, the diameter of the sample storage shell is adapted to the diameter of the mounting plate, and the sample storage shell is threadedly connected with the sample shell.

[0013] Compared with the prior art, the liquid sampling device for engineering supervision has the following beneficial effects:

[0014] In the technical scheme disclosed by the utility model, the flow inlet for sampling is changed from the sample storage shell to the sample shell, the pouring port is arranged on the sample shell, and the screening mesh for preventing sundries from entering is arranged on the sample shell, thereby protecting the pouring flow inner cavity in the sample shell and the pouring port, avoiding the blockage of the pouring port, and the scraper is arranged at one end of the screening mesh, which can separate the soil from the liquid by extruding the soil and scrape off the sundries before the sundries contact the screening mesh, thereby protecting the screening mesh and reducing the probability of blockage.

[0015] The flow passage arranged at the bottom of the pouring flow inner cavity is in the shape of a truncated cone, and the diameter of the upper end face is less than the diameter of the lower end face, so that after the sundries enter the flow passage, as long as the sundries can slide into the flow passage through the diameter of the upper end face, the sundries can enter the bearing inner cavity through the flow passage, thereby reducing the probability of blockage of the flow passage. BRIEF DESCRIPTION OF DRAWINGS

[0016] The drawings described herein are used to provide further understanding of the present application, and form a part of the present application. The schematic embodiments of the present application and the description thereof are used to explain the present application, and do not constitute an improper limitation on the present application. In the drawings:

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

[0018] Figure 2 It is a schematic diagram of the internal structure of the operating rod of the utility model;

[0019] Figure 3 It is a schematic diagram of the structure of the sample shell of the utility model;

[0020] Figure 4 It is a schematic diagram of the structure of the pouring port of the utility model.

[0021] In the drawings: 1, operating rod; 2, sampling member; 21, sample shell; 22, sample storage shell; 23, pouring flow inner cavity; 24, bearing inner cavity; 25, pouring port; 26, screening mesh; 27, screening hole; 28, scraper; 3, driving device; 31, pushing motor; 32, push rod; 4, mounting plate. DETAILED DESCRIPTION

[0022] The embodiments of the present application will be described in detail with reference to the drawings and examples, so that the implementation process of how the present application applies technical means to solve technical problems and achieves technical effects can be fully understood and implemented.

[0023] In the description of the present application, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0024] Figures 1-4 For an embodiment of the present application, the specific problem addressed by the specific embodiment is that the existing liquid material sampling device for building supervision is difficult to collect liquid material, and it is difficult to prevent liquid material from leaking out of the device after sampling, and the device is prone to blockage after multiple sampling, ultimately leading to damage to the sampling device and affecting work efficiency. Therefore, we propose a liquid material sampling device for building supervision. Based on the above, the generated blockage problem during sampling and the poor sampling effect problem, the present scheme describes a liquid sampling device for engineering supervision, which changes the sampling inlet from the sample storage shell 22 to the sampling shell 21, and installs a sieve mesh 26 to prevent foreign matter from entering on the sampling shell 21. The protection of the internal pouring cavity 23 of the sampling shell 21 and the protection of the pouring port 25 are generated, and the probability of blockage is reduced.

[0025] The specific embodiment of the present scheme describes a liquid sampling device for engineering supervision, which includes an operating rod 1 gripped by the user, one end of the operating rod 1 is provided with a sampling member 2, the sampling member 2 is located at the lowermost end of the whole sampling device, and a driving device 3 for pushing the sampling member 2 to extend into the inside of the preset surface to sample is connected between the sampling member 2 and the operating rod 1. The driving device 3 includes a sleeve and a pushing motor 31 installed inside the sleeve, a pushing rod 32 connected with the pushing motor 31 is arranged in the sleeve, the pushing rod 32 is used to push the sampling member 2 to extend into the inside of the preset detection surface, after reaching the preset surface, the sampling member 2 collects the required liquid, and finally the pushing motor 31 is used to retract the pushing rod 32 to recover the sampling member 2, and the recovery of the liquid is completed to perform subsequent detection.

[0026] The sampling member 2 comprises a sampling shell 21 connected with the driving device 3 and a sample storage shell 22 installed at the lower end of the sampling shell 21, the sampling shell 21 is internally provided with a perfusion cavity 23 for communicating with the sample storage shell 22, the sample storage shell 22 is internally provided with a bearing cavity 24 for receiving the liquid discharged from the perfusion cavity 23, the sample storage shell 22 is arranged at the lowermost end of the sampling device and is conical, the lateral wall of the sampling shell 21 is circumferentially provided with a pouring port 25, the pouring port 25 is covered with a screening mesh 26 for preventing sundries, the pouring port 25 is provided with a width smaller than the diameter of the screening mesh 26, the screening mesh 26 is provided with a plurality of screening holes 27 for screening sundries, a scraper 28 for extruding soil is installed at one end of the screening mesh 26, the scraper 28 is obliquely arranged on the sampling shell 21, the diameters of the ranges surrounded by the plurality of scrapers 28 are larger than the diameters of the ranges surrounded by the plurality of screening meshes 26, the structure of the scraper 28 in contact with the soil is arc-shaped, so as to reduce the amount of soil scraped by the scraper 28 during rotation.

[0027] The driving device 3 is connected with the sampling member 2 through a mounting plate 4, the push rod 32 extends out of the sleeve shell and is connected with the mounting plate 4, the driving motor is embedded in the mounting plate 4 and connected with the sampling shell 21, so that the scraper 28 can be driven to work through the rotation of the driving motor when the sampling shell 21 reaches the sampling position, the diameter of the mounting plate 4 is smaller than the diameters of the ranges surrounded by the plurality of scrapers 28 but larger than the diameters of the ranges surrounded by the plurality of screening meshes 26, the diameter of the sample storage shell 22 is adapted to the diameter of the mounting plate 4, the sample storage shell 22 is threadedly connected with the sampling shell 21, the scraper 28 extrudes the soil to separate the soil from the liquid on one hand, and the sundries are scraped away by the scraper 28 before the sundries contact the screening mesh 26 on the other hand.

[0028] The bottom of the perfusion cavity 23 is provided with a plurality of flow channels for conveying liquid into the bearing cavity 24, the flow channels are conical and the upper end diameter of the flow channels is smaller than the lower end diameter, after the sundries enter the flow channels, the sundries can enter the bearing cavity 24 through the flow channels as long as the sundries can slide into the flow channels through the upper end face, so as to reduce the probability of blockage of the flow channels.

[0029] The control mode of the utility model is automatically controlled through the controller, the control circuit of the controller can be realized through simple programming of the skilled person in the art, the power supply also belongs to the common knowledge in the art, and the utility model is mainly used for protecting the mechanical device, so the control mode and the circuit connection of the utility model will not be explained in detail.

[0030] It should be noted that in this paper, the terms "including", "containing" or any other variant thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.

[0031] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.

Claims

1. A liquid sampling device for use in construction supervision, comprising an operating lever (1), characterized in that: One end of the operating rod (1) is provided with a sampling member (2), and a driving device (3) for pushing the sampling member (2) to sample inside a preset surface is connected between the sampling member (2) and the operating rod (1); The sampling member (2) comprises a sampling shell (21) connected with the driving device (3) and a sample storage shell (22) installed at the lower end of the sampling shell (21), the sampling shell (21) is internally provided with a perfusion inner cavity (23) for communicating with the sample storage shell (22), the sample storage shell (22) is internally provided with a bearing inner cavity (24) for receiving liquid discharged from the perfusion inner cavity (23), and the sample storage shell (22) is arranged at the lowermost end of the sampling device and is conical. A plurality of sieve holes (27) for filtering impurities are formed in the sieve screen (26), and a scraper (28) for extruding soil is installed at one end of the sieve screen (26), the scraper (28) is installed on the sampling shell (21) in an inclined manner, and the diameters of the ranges surrounded by the plurality of scrapers (28) are greater than the diameters of the ranges surrounded by the plurality of sieve screens (26).

2. The liquid sampling device for engineering supervision according to claim 1, characterized in that: The driving device (3) and the sampling member (2) are connected with a mounting plate (4), the diameter of the mounting plate (4) is smaller than the diameters of the ranges surrounded by the plurality of scrapers (28) but greater than the diameters of the ranges surrounded by the plurality of sieve screens (26). The bottom of the perfusion inner cavity (23) is provided with a plurality of flow channels for conveying liquid into the bearing inner cavity (24), the flow channels are conical and the diameters of the upper ends thereof are smaller than the diameters of the lower ends thereof.

3. The liquid sampling device for engineering supervision according to claim 1, characterized in that: The driving device (3) comprises a sleeve shell and a pushing motor (31) installed in the sleeve shell, a push rod (32) connected with the pushing motor (31) is arranged in the sleeve shell, and the push rod (32) extends out of the sleeve shell and is connected with the mounting plate (4).

4. The liquid sampling device for engineering supervision according to claim 1, characterized in that: The opening width of the perfusion inner cavity (23) is smaller than the diameter of the sieve screen (26), and the structure of the scraper (28) in contact with the soil is arc-shaped.

5. The liquid sampling device for engineering supervision according to claim 1, characterized in that: The diameter of the sample storage shell (22) is adapted to the diameter of the mounting plate (4), and the sample storage shell (22) is threadedly connected with the sampling shell (21).

6. The liquid sampling device for engineering supervision according to claim 2, characterized in that: ​

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