Water quality monitoring stratified sampling device for drinking water source

Abstract

The utility model discloses a water quality monitoring stratified sampling device for a drinking water source, and relates to the technical field of sampling devices. Comprising a sealing box, a lifting ring is fixedly connected to the top of the sealing box, a balancing weight is fixedly connected to the bottom of the sealing box, a self-locking motor is fixedly connected to the top in the sealing box, a rotating shaft is fixedly connected to the output end of the self-locking motor, and a plurality of driving bevel gears are fixedly connected to the outer wall of the rotating shaft; an opening and closing assembly is arranged at the first end of each driving bevel gear, and each opening and closing assembly comprises a driven bevel gear. The self-locking motor is started to drive the rotating shaft and the driving bevel gear to rotate, the driving bevel gear drives the driven bevel gear and the reciprocating lead screw to rotate, the reciprocating lead screw drives the sliding frame and the sealing plate to move on the sliding plate, the sealing plate opens the sampling cup to complete sampling, frequent disassembly and assembly of the device are not needed, and the use convenience of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of sampling devices, in particular to a stratified sampling device for monitoring water quality at a drinking water source. Background Art

[0002] The drinking water source water quality monitoring stratified sampling device is a device used to monitor the water quality of the drinking water source. It is designed to obtain water samples from different water layer depths in order to fully understand the water quality of the water body. An existing water quality monitoring stratified sampling device (publication number: CN219589992U) has at least the following defects in use:

[0003] After sampling water, the device needs to use external threaded sleeves and internal threaded sleeves to disassemble the sampling tubes one by one for sampling and cleaning, which is cumbersome to use and reduces the convenience of using the device. Utility Model Content

[0004] The main purpose of the utility model is to provide a stratified sampling device for monitoring water quality at a drinking water source, which can effectively solve the problems in the background technology.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] A stratified sampling device for monitoring water quality at a drinking water source comprises a sealing box, a lifting ring is fixedly connected to the top of the sealing box, a counterweight is fixedly connected to the bottom of the sealing box, a self-locking motor is fixedly connected to the top of the interior of the sealing box, a rotating shaft is fixedly connected to the output end of the self-locking motor, a plurality of driving bevel gears are fixedly connected to the outer wall of the rotating shaft, an opening and closing assembly is provided at the first end of each driving bevel gear, the opening and closing assembly comprises a driven bevel gear, the driven bevel gear is meshed with the first end of the driving bevel gear, a reciprocating screw is fixedly connected to the first end of the driven bevel gear, the reciprocating screw passes through the sealing box and is rotatably connected thereto, a baffle is fixedly connected to the first end of the reciprocating screw, a sliding frame is threadedly connected to the outer wall of the reciprocating screw, a sampling assembly is provided at the bottom of the sliding frame, and a sealing plate is fixedly connected to the bottom of the first end of the sliding frame.

[0007] Preferably, the sampling assembly includes a slide plate, the slide plate is slidably connected to the bottom of the slide frame, the second end of the slide plate is fixed to the sealing box, and the sealing plate is slidably connected to the top of the slide plate.

[0008] Preferably, a limiting groove is provided at the first end of the top of the slide plate, and a placement hole is provided at the bottom center of the limiting groove.

[0009] Preferably, a sampling cup is placed inside the placement hole, and a limiting ring is fixedly connected to the top of the sampling cup.

[0010] Preferably, the limiting ring is arranged inside the limiting groove, and the sealing plate is slidably connected to the top of the limiting ring.

[0011] Compared with the prior art, the utility model has the following beneficial effects:

[0012] The utility model starts the self-locking motor to drive the rotating shaft and the driving bevel gear to rotate, and the driving bevel gear drives the driven bevel gear and the reciprocating screw to rotate, and the reciprocating screw drives the sliding frame and the sealing plate to move on the sliding plate, so that the sealing plate opens the sampling cup to complete the sampling, and there is no need to frequently disassemble and assemble the device, thereby improving the convenience of using the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is an axial view of the utility model;

[0014] Figure 2 It is a partial axial view of the utility model;

[0015] Figure 3 This is an axial view of the sampling assembly of the opening and closing assembly of the utility model;

[0016] Figure 4 This is a structural diagram of the sampling component of the present utility model.

[0017] In the figure: 1. sealing box; 2. lifting ring; 3. counterweight; 4. self-locking motor; 5. rotating shaft; 6. driving bevel gear; 7. opening and closing assembly; 701. driven bevel gear; 702. reciprocating screw rod; 703. baffle; 704. sliding frame; 705. sealing plate; 8. sampling assembly; 801. sliding plate; 802. limiting groove; 803. placement hole; 804. sampling cup; 805. limiting ring. DETAILED DESCRIPTION

[0018] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0019] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0020] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0021] In the process of stratified sampling of water quality in drinking water sources, a sampling device is needed. The utility model provides a stratified sampling device for monitoring water quality in drinking water sources, which is specially used for stratified sampling of water quality in drinking water sources.

[0022] Example

[0023] See also Figure 1-Figure 4 , the utility model provides a technical solution:

[0024] A stratified sampling device for monitoring water quality at a drinking water source comprises a sealing box 1, a lifting ring 2 is fixedly connected to the top of the sealing box 1, a counterweight 3 is fixedly connected to the bottom of the sealing box 1, a self-locking motor 4 is fixedly connected to the top of the interior of the sealing box 1, a rotating shaft 5 is fixedly connected to the output end of the self-locking motor 4, a plurality of driving bevel gears 6 are fixedly connected to the outer wall of the rotating shaft 5, an opening and closing assembly 7 is arranged at the first end of each driving bevel gear 6, the opening and closing assembly 7 comprises a driven bevel gear 701, the driven bevel gear 701 is meshed with the first end of the driving bevel gear 6, a reciprocating screw 702 is fixedly connected to the first end of the driven bevel gear 701, the reciprocating screw 702 passes through the sealing box 1 and is rotatably connected thereto, a baffle 703 is fixedly connected to the first end of the reciprocating screw 702, a sliding frame 704 is threadedly connected to the outer wall of the reciprocating screw 702, a sampling assembly 8 is arranged at the bottom of the sliding frame 704, and a sealing plate 705 is fixedly connected to the bottom of the first end of the sliding frame 704.

[0025] In this embodiment, the self-locking motor 4 is started to drive the rotating shaft 5 and the driving bevel gear 6 to rotate, and the driving bevel gear 6 drives the driven bevel gear 701 and the reciprocating screw 702 to rotate. The reciprocating screw 702 drives the sliding frame 704 and the sealing plate 705 to move along the sampling component 8, thereby completing the opening and closing control of the sampling component.

[0026] The sampling assembly 8 includes a slide plate 801, which is slidably connected to the bottom of the slide frame 704, the second end of the slide plate 801 is fixed to the sealing box 1, the sealing plate 705 is slidably connected to the top of the slide plate 801, a limiting groove 802 is provided at the first end of the top of the slide plate 801, a placement hole 803 is provided at the bottom center of the limiting groove 802, a sampling cup 804 is placed inside the placement hole 803, a limiting ring 805 is fixedly connected to the top of the sampling cup 804, the limiting ring 805 is arranged inside the limiting groove 802, and the sealing plate 705 is slidably connected to the top of the limiting ring 805.

[0027] In this embodiment, the sealing plate 705 completes the opening and closing operation of the sampling cup 804 by moving the sliding frame 704 and the sealing plate 705 on the sliding plate 801 .

[0028] It should be noted that the utility model is a stratified sampling device for monitoring water quality at a drinking water source. When in use, the lifting ring 2 is first connected to an external lifting device, and then the lifting device is started to lower the sealing box 1 and the counterweight 3 to a certain depth. The self-locking motor 4 is then started to drive the rotating shaft 5 and the driving bevel gear 6 to rotate. The driving bevel gear 6 drives the driven bevel gear 701 and the reciprocating screw 702 to rotate. The reciprocating screw 702 drives the sliding frame 704 and the sealing plate 705 to move on the sliding plate 801, so that the sealing plate 705 opens the sampling cup 804. At this time, water of different depths enters the sampling cup 804. Finally, the self-locking motor 4 is started to reverse, so that the sealing plate 705 closes the sampling cup 804, and the device is recovered using the lifting device to complete the sampling operation.

[0029] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A drinking water source water quality monitoring stratified sampling device, comprising a sealed box (1), characterized in that: The top of the sealing box (1) is fixedly connected to a lifting ring (2), the bottom of the sealing box (1) is fixedly connected to a counterweight (3), the top of the inside of the sealing box (1) is fixedly connected to a self-locking motor (4), the output end of the self-locking motor (4) is fixedly connected to a rotating shaft (5), the outer wall of the rotating shaft (5) is fixedly connected to a plurality of driving bevel gears (6), the first ends of the driving bevel gears (6) are each provided with an opening and closing assembly (7), the opening and closing assembly (7) comprises a driven bevel gear (701), the driven bevel gear (701) The driven bevel gear (701) is meshed with the first end of the driving bevel gear (6); the first end of the driven bevel gear (701) is fixedly connected to a reciprocating screw (702); the reciprocating screw (702) passes through the sealing box (1) and is rotatably connected thereto; the first end of the reciprocating screw (702) is fixedly connected to a baffle (703); the outer wall of the reciprocating screw (702) is threadedly connected to a sliding frame (704); a sampling assembly (8) is provided at the bottom of the sliding frame (704); and a sealing plate (705) is fixedly connected to the bottom of the first end of the sliding frame (704).

2. A drinking water source water quality monitoring stratified sampling device according to claim 1, characterized in that: The sampling assembly (8) comprises a slide plate (801), wherein the slide plate (801) is slidably connected to the bottom of the slide frame (704), the second end of the slide plate (801) is fixed to the sealing box (1), and the sealing plate (705) is slidably connected to the top of the slide plate (801).

3. A drinking water source water quality monitoring stratified sampling device according to claim 2, characterized in that: A limiting groove (802) is provided at the first end of the top of the slide plate (801), and a placement hole (803) is provided at the bottom center of the limiting groove (802).

4. A drinking water source water quality monitoring stratified sampling device according to claim 3, characterized in that: A sampling cup (804) is placed inside the placement hole (803), and a limiting ring (805) is fixedly connected to the top of the sampling cup (804).

5. A drinking water source water quality monitoring stratified sampling device according to claim 4, characterized in that: The limiting ring (805) is arranged inside the limiting groove (802), and the sealing plate (705) and the top of the limiting ring (805) are slidably connected.

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