Water sample dilution pretreatment device

Abstract

The utility model discloses a water sample dilution pretreatment device which comprises a box body, a motor fixedly mounted at the top end of the box body, a partition plate fixedly connected inside the box body, a transmission rod fixedly connected to the output end of the motor after penetrating through the top wall of the box body, a guide rod fixedly connected to the top end of the partition plate, and driving racks symmetrically connected to the top end of the guide rod in a sliding manner, a transmission frame is jointly and fixedly connected between the two driving racks, rotating rods which are symmetrically arranged are rotationally connected to the partition plate, the top ends of the two rotating rods penetrate through the partition plate to be fixedly connected with driven gears, the bottom ends of the two rotating rods penetrate through the partition plate to be fixedly connected with a plurality of driving blades which are symmetrically arranged, and driven rods are rotationally connected to the two side walls of the interior of the box body; the dilution pretreatment device is high in dilution efficiency and practicability, and the manufacturing cost and the use cost of the dilution pretreatment device can be reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of water sample processing equipment, in particular to a water sample dilution preprocessing device. Background Art

[0002] When testing water quality, the water sample needs to be pre-treated and diluted. When diluting, the ratio of pure water to the water sample to be tested needs to be set according to the object to be tested in the water sample to ensure the detection effect. The selection of the dilution multiple, that is, the determination of the sampling volume is crucial. If the dilution multiple is inappropriate, the measurement results will often be inaccurate.

[0003] The patent document with announcement number CN218795220U provides a high-concentration water sample dilution device, which can automatically control the descending height of the piston, improve the accuracy of the dilution ratio of the high-concentration water sample, and has a uniform stirring and mixing function, and has a good mixing and dilution effect.

[0004] Although the above application has many beneficial effects, the device is installed with multiple sets of motors, which leads to high manufacturing and use costs of the dilution device, is not conducive to the long-term use of the dilution device, and has low practicality. Utility Model Content

[0005] The utility model aims to provide a water sample dilution pretreatment device to solve the technical problem of high cost of the existing device.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a water sample dilution pretreatment device, comprising a box body, a motor is fixedly installed on the top of the box body, a partition is fixedly connected to the inside of the box body, the output end of the motor passes through the top wall of the box body and is fixedly connected to a transmission rod, the top of the partition is fixedly connected to a guide rod, the top of the guide rod is slidably connected to a symmetrically arranged active rack, a transmission frame is fixedly connected between two active racks, a symmetrically arranged rotating rod is rotatably connected to the partition, the tops of the two rotating rods are fixedly connected to driven gears through the partition, the bottoms of the two rotating rods are fixedly connected to a plurality of symmetrically arranged active blades through the partition, the two side walls inside the box body are rotatably connected to driven rods, and the two driven rods are fixedly connected to a plurality of symmetrically arranged driven blades.

[0007] As a preferred solution of the utility model, the bottom end of the transmission rod is located inside the transmission frame, and the transmission rod is located inside the box.

[0008] As a preferred solution of the utility model, the active racks are meshedly connected with the driven gears.

[0009] As a preferred solution of the utility model, the top of the box body is fixedly connected with symmetrically arranged water inlets, and the two water inlets are identical in size and shape.

[0010] As a preferred solution of the utility model, a water outlet is fixedly connected to the side wall of the box body near the bottom end.

[0011] Compared with the prior art, the beneficial effect of the water sample dilution pretreatment device of the utility model is that: when in use, the transmission rod can be driven by the motor to make the various mechanisms linked, and the linkage of the various mechanisms will drive the active blades on both sides to rotate and stir, and at the same time the active blades will hit the driven blades, forcing the driven blades to rotate. At this time, the active blades and the driven blades can fully mobilize the water sample and pure water to mix and dilute, the dilution efficiency is high, and the manufacturing cost and use cost of the dilution pretreatment device can be reduced, and the practicality is high. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for use in the embodiments are briefly introduced below. Obviously, the drawings described below are only examples of the embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0013] Figure 1 This is a schematic diagram of the main structure of an embodiment of the utility model;

[0014] Figure 2 It is a cross-sectional structural schematic diagram of an embodiment of the utility model;

[0015] Figure 3 It is a schematic diagram of the connection structure between the driving rack and the driven gear in the embodiment of the utility model.

[0016] Figure numerals: 1, housing; 2, motor; 3, partition; 4, transmission rod; 5, guide rod; 6, active rack; 7, transmission frame; 8, rotating rod; 9, driven gear; 10, active blade; 11, driven rod; 12, driven blade; 13, water inlet; 14, water outlet. DETAILED DESCRIPTION

[0017] In order to make the purpose, technical solution and advantages of the embodiments of the present invention more clear, the embodiments of the present invention are further described in detail in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0018] In the description of the embodiments of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "inside", "outside", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the embodiments of the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the embodiments of the present invention.

[0019] In the description of the embodiments of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense. For example, it can be a fixed connection, an integral connection, or a detachable connection; it can be the internal connection of two components; it can be directly connected or indirectly connected through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the embodiments of the present invention can be understood according to specific circumstances.

[0020] See also Figure 1-3 As shown, the water sample dilution pretreatment device of the utility model embodiment includes a box body 1, a motor 2 is fixedly installed on the top of the box body 1, a partition 3 is fixedly connected inside the box body 1, an output end of the motor 2 passes through the top wall of the box body 1 and is fixedly connected to a transmission rod 4, a guide rod 5 is fixedly connected to the top of the partition 3, a symmetrically arranged active rack 6 is slidably connected to the top of the guide rod 5, a transmission frame 7 is fixedly connected between the two active racks 6, a symmetrically arranged rotating rod 8 is rotatably connected to the partition 3, the tops of the two rotating rods 8 are both fixedly connected to driven gears 9 through the partition 3, the bottom ends of the two rotating rods 8 are both fixedly connected to a plurality of symmetrically arranged active blades 10 through the partition 3, both side walls inside the box body 1 are rotatably connected to driven rods 11, and the two driven rods 11 are both fixedly connected to a plurality of symmetrically arranged driven blades 12.

[0021] Furthermore, the bottom end of the transmission rod 4 is located inside the transmission frame 7 , and the transmission rod 4 is located inside the box body 1 , so that the transmission rod 4 can drive the transmission frame 7 to move.

[0022] The active racks 6 are meshedly connected with the driven gears 9, and the active racks 6 are convenient for driving the driven gears 9 to rotate.

[0023] The top of the box body 1 is fixedly connected with symmetrically arranged water inlets 13, and the two water inlets 13 are the same in size and shape.

[0024] A water outlet 14 is fixedly connected to the side wall of the box body 1 near the bottom end.

[0025] When using the embodiment of the utility model, firstly, pure water and water sample with the completed proportion are added into the box body 1 through the water inlet 13 respectively, and the motor 2 is started. The motor 2 drives the transmission rod 4 to rotate, and the transmission rod 4 rotates to squeeze the inner wall of the transmission frame 7. The squeezed transmission frame 7 drives the two active racks 6 to move sideways together. The movement of the two active racks 6 is guided by the guide rod 5. The movement of the active rack 6 drives the driven gear 9 and the rotating rod 8 to rotate. The two rotating rods 8 both drive the active blades 10 to rotate. During the rotation of the active blades 10, the driven blades 12 are hit. At this time, the driven blades 12 are forced to rotate due to the force. The driven blades 12 rotate and the driven rod 11 also rotates to provide stable support for the driven blades 12. The rotation of the active blades 10 and the driven blades 12 will fully mobilize the pure water and water sample inside the box body 1 for dilution and fusion. When the transmission rod 4 rotates to an angle opposite to the initial angle, it will drive the transmission frame 7 back to its original position and stir repeatedly. After dilution, the diluted water sample can be discharged through the water outlet 14 for detection.

[0026] The above shows and describes the basic principles of the present invention. The above are only preferred embodiments of the present invention and are not intended to limit the present invention. The above embodiments and descriptions in the specification are only intended to illustrate the principles of the present invention. Without departing from the scope of the present invention, any modifications, equivalent substitutions and improvements made within the spirit and scope of the present invention should be included in the protection scope of the present invention.

Claims

1. A water sample dilution pretreatment device, characterized in that: The invention comprises a box body (1), a motor (2) is fixedly mounted on the top of the box body (1), a partition (3) is fixedly connected inside the box body (1), an output end of the motor (2) is fixedly connected to a transmission rod (4) through the top wall of the box body (1), a guide rod (5) is fixedly connected to the top of the partition (3), a symmetrically arranged active rack (6) is slidably connected to the top of the guide rod (5), a transmission frame (7) is fixedly connected between two active racks (6), a symmetrically arranged rotating rod (8) is rotatably connected to the partition (3), the top ends of the two rotating rods (8) are fixedly connected to driven gears (9) through the partition (3), the bottom ends of the two rotating rods (8) are fixedly connected to a plurality of symmetrically arranged active blades (10) through the partition (3), both side walls inside the box body (1) are rotatably connected to driven rods (11), and the two driven rods (11) are fixedly connected to a plurality of symmetrically arranged driven blades (12).

2. The water sample dilution pretreatment device according to claim 1, characterized in that: The bottom end of the transmission rod (4) is located inside the transmission frame (7), and the transmission rod (4) is located inside the box (1).

3. The water sample dilution pretreatment device according to claim 1, characterized in that: The active racks (6) are meshingly connected with the driven gears (9).

4. The water sample dilution pretreatment device according to claim 1, characterized in that: The top of the box body (1) is fixedly connected with symmetrically arranged water inlets (13), and the two water inlets (13) are of the same size and shape.

5. The water sample dilution pretreatment device according to claim 1, characterized in that: A water outlet (14) is fixedly connected to the side wall of the box body (1) near the bottom end.

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