Quantitative filling device for environmental monitoring sampling

Abstract

The utility model discloses a quantitative filling device for environmental monitoring sampling, which comprises a mounting frame, a stirring barrel and a piston barrel are mounted on the mounting frame, a piston is arranged in the piston barrel, a rack penetrating through the top of the piston barrel is fixed on the piston, a pressing plate is fixed at the top of the rack, and a piston rod is fixed on the pressing plate. A stirring mechanism is arranged in the stirring cylinder, a gear is mounted on the stirring mechanism, and the gear is meshed with the rack; the stirring mechanism comprises a rotating rod rotationally arranged on the inner wall of the stirring barrel, a plurality of stirring rods are fixed to the outer wall of the rotating rod at equal intervals, a discharging pipe is fixed to the bottom of the piston barrel, a second blocking plate capable of rotating downwards is fixed to the top of the discharging pipe through a torsional spring, and a guide pipe is fixed to the bottom of the stirring barrel. And the other end of the guide pipe is fixed with the outer wall of the piston cylinder. The device can realize mixed injection of absorption liquid, and is convenient and practical.

Description

Technical Field

[0001] The utility model relates to the technical field of environmental monitoring sampling, in particular to a quantitative filling device for environmental monitoring sampling. Background Art

[0002] During the existing environmental monitoring sampling, a certain volume of absorption liquid needs to be prepared. The existing method is to place the absorption liquid in advance through a measuring cylinder or a measuring cup, insert the absorption tube to absorb the absorption liquid after the volume is determined, and then conduct the test with the monitoring instrument. The efficiency is low and it is difficult to ensure that the poured absorption liquid is mixed evenly during injection. It is also difficult to ensure that the absorption liquid poured into the monitoring instrument is mixed evenly. Utility Model Content

[0003] The utility model aims to solve the shortcomings in the prior art and proposes a quantitative filling device for environmental monitoring sampling.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A quantitative filling device for environmental monitoring sampling, comprising a mounting frame, a mixing cylinder and a piston cylinder are mounted on the mounting frame, a piston is arranged in the piston cylinder, a rack passing through the top of the piston cylinder is fixed on the piston, a pressure plate is fixed on the top of the rack, a mixing mechanism is arranged inside the mixing cylinder, a gear is installed on the mixing mechanism, and the gear and the rack are meshed with each other;

[0006] The stirring mechanism comprises a rotating rod rotatably arranged on the inner wall of the stirring drum, and a plurality of stirring rods are fixed on the outer wall of the rotating rod at equal intervals.

[0007] As a further solution of the utility model, a discharge pipe is fixed to the bottom of the piston cylinder, and a second blocking plate that can rotate downward is fixed to the top of the discharge pipe through a torsion spring.

[0008] As a further solution of the utility model, a conduit is fixed to the bottom of the mixing drum, the other end of the conduit is fixed to the outer wall of the piston cylinder, and the conduit passes through one end of the piston cylinder and is fixed with a first blocking plate that rotates counterclockwise by a torsion spring.

[0009] As a further solution of the utility model, the mounting frame includes two first vertical poles, the outer walls of the first vertical poles are fixed with cross bars, the two cross bars are fixed with the same fixing ring, and the piston cylinder is fixed in the fixing ring.

[0010] As a further solution of the utility model, a support rod is fixed to the top of the cross bar, the tops of the two first vertical rods and the tops of the two support rods are fixed with the same support ring, the mixing drum is fixed to the outer walls of the two mixing drums, and a second vertical rod is fixed to the bottom of the cross bar near the fixing ring.

[0011] As a further solution of the utility model, the outer wall of the piston cylinder is provided with scale lines.

[0012] As a further solution of the utility model, sealing rings are fixed on the edges of the second sealing plate and the first sealing plate.

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

[0014] The utility model: through the setting of the mixing drum, piston drum, rotating rod, gear, stirring rod, rack, pressure plate, conduit and mounting frame, by pulling out the rack, negative pressure is generated inside the piston drum, the first sealing plate rotates counterclockwise, so that the absorption liquid inside the mixing drum enters the piston drum from the conduit, when pressed, the first sealing plate is closed, the second sealing plate is unfolded, and liquid is injected, and the outer wall of the piston drum is provided with scale lines to complete a certain quantitative injection, and the gear is rotated in the process of the rack moving up and down, so that the stirring rod inside the mixing drum is stirred, and the absorption liquid inside the mixing drum is mixed. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a three-dimensional structural schematic diagram of a quantitative filling device for environmental monitoring sampling proposed by the utility model;

[0016] Figure 2 This is a partial three-dimensional structural schematic diagram of a quantitative filling device for environmental monitoring sampling proposed by the utility model;

[0017] Figure 3 This is a schematic diagram of the three-dimensional structure of a mounting frame of a quantitative filling device for environmental monitoring sampling proposed by the utility model;

[0018] Figure 4 The utility model provides a schematic diagram of the cross-sectional structure of a piston cylinder of a quantitative filling device for environmental monitoring sampling.

[0019] In the figure: 1. mixing drum; 2. rotating rod; 3. mixing rod; 4. gear; 5. piston cylinder; 6. rack; 7. pressure plate; 8. mounting frame; 9. fixing ring; 10. guide tube; 11. first vertical pole; 12. cross bar; 13. support rod; 14. second vertical pole; 15. support ring; 18. discharge pipe; 19. first blocking plate; 20. second blocking plate. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0021] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present utility model will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0022] Reference Figure 1-Figure 4 A quantitative filling device for environmental monitoring sampling includes a mounting frame 8, a mixing cylinder 1 and a piston cylinder 5 are mounted on the mounting frame 8, a piston is arranged in the piston cylinder 5, a rack 6 passing through the top of the piston cylinder 5 is fixed on the piston, a pressing plate 7 is fixed on the top of the rack 6, a mixing mechanism is arranged inside the mixing cylinder 1, a gear 4 is installed on the mixing mechanism, and the gear 4 and the rack 6 are meshed with each other;

[0023] The stirring mechanism comprises a rotating rod 2 rotatably arranged on the inner wall of a stirring drum 1 , and a plurality of stirring rods 3 are fixed at equal intervals on the outer wall of the rotating rod 2 .

[0024] In this embodiment, a discharge pipe 18 is fixed to the bottom of the piston cylinder 5, and a second blocking plate 20 that can rotate downward is fixed to the top of the discharge pipe 18 via a torsion spring.

[0025] In this embodiment, a conduit 10 is fixed to the bottom of the mixing drum 1, and the other end of the conduit 10 is fixed to the outer wall of the piston cylinder 5. The conduit 10 passes through one end of the piston cylinder 5 and is fixed with a first blocking plate 19 that rotates counterclockwise by a torsion spring.

[0026] In this embodiment, the mounting frame 8 includes two first vertical poles 11 , a cross bar 12 is fixed to the outer wall of the first vertical pole 11 , the two cross bars 12 are fixed to the same fixing ring 9 , and the piston cylinder 5 is fixed in the fixing ring 9 .

[0027] In this embodiment, a support rod 13 is fixed to the top of the cross bar 12, the tops of the two first vertical rods 11 and the tops of the two support rods 13 are fixed with the same support ring 15, the mixing drum 1 is fixed to the outer walls of the two mixing drums 1, and a second vertical rod 14 is fixed to the bottom of the cross bar 12 near the fixing ring 9.

[0028] In this embodiment, the outer wall of the piston cylinder 5 is provided with scale lines.

[0029] In this embodiment, sealing rings are fixed to the edges of the second sealing plate 20 and the first sealing plate 19 .

[0030] Working principle: When in use, the mixing barrel 1, piston barrel 5, rotating rod 2, gear 4, stirring rod 3, rack 6, pressure plate 7, conduit 10 and mounting frame 8 are set. The conduit 10 and the discharge pipe 18 are set on the outer wall of the piston barrel 5, and a second sealing plate 20 that can rotate clockwise and a first sealing plate 19 that can rotate counterclockwise are set. The valve on the conduit 10 is opened, and the rack 6 is pulled out to generate negative pressure inside the piston barrel 5. The first sealing plate 19 rotates counterclockwise, so that the absorption liquid inside the mixing barrel 1 enters the piston barrel 5 from the conduit 10. When pressed, the first sealing plate 19 is closed, and the second sealing plate 20 is unfolded to inject liquid. The outer wall of the piston barrel 5 is provided with scale lines to complete a certain quantitative injection, and the gear 4 is rotated in the process of the rack 6 moving up and down, so that the stirring rod 3 inside the mixing barrel 1 is stirred, and the absorption liquid inside the mixing barrel 1 is mixed.

[0031] For ease of description, spatially relative terms such as "above", "above", "on the upper surface of", "above", etc. may be used here to describe the spatial positional relationship between a device or feature and other devices or features as shown in the figure. It should be understood that spatially relative terms are intended to include different orientations of the device in use or operation in addition to the orientation described in the figure. For example, if the device in the accompanying drawings is inverted, the device described as "above other devices or structures" or "above other devices or structures" will be positioned as "below other devices or structures" or "below other devices or structures". Thus, the exemplary term "above" can include both "above" and "below". The device can also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatially relative descriptions used here are interpreted accordingly.

[0032] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0033] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the data used in this way can be interchangeable where appropriate, so that the embodiments of the present application described herein can be implemented in an order other than those illustrated or described herein, for example. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device that includes a series of steps or units is not necessarily limited to those steps or units that are clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0034] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A quantitative filling device for environmental monitoring sampling, comprising a mounting frame (8), characterized in that: The mounting frame (8) is provided with a mixing drum (1) and a piston drum (5), wherein a piston is arranged inside the piston drum (5), a rack (6) passing through the top of the piston drum (5) is fixed on the piston, a pressing plate (7) is fixed on the top of the rack (6), a mixing mechanism is arranged inside the mixing drum (1), a gear (4) is installed on the mixing mechanism, and the gear (4) and the rack (6) are meshed with each other; The stirring mechanism comprises a rotating rod (2) rotatably arranged on the inner wall of the stirring drum (1), and a plurality of stirring rods (3) are fixed at equal intervals on the outer wall of the rotating rod (2).

2. A quantitative filling device for environmental monitoring sampling according to claim 1, characterized in that: A discharge pipe (18) is fixed to the bottom of the piston cylinder (5), and a second blocking plate (20) that can rotate downward is fixed to the top of the discharge pipe (18) via a torsion spring.

3. A quantitative filling device for environmental monitoring sampling according to claim 2, characterized in that: A conduit (10) is fixed at the bottom of the mixing drum (1), the other end of the conduit (10) is fixed to the outer wall of the piston cylinder (5), and a first blocking plate (19) that rotates counterclockwise is fixed to one end of the conduit (10) that passes through the piston cylinder (5) via a torsion spring.

4. A quantitative filling device for environmental monitoring sampling according to claim 3, characterized in that: The mounting frame (8) comprises two first vertical rods (11), a cross rod (12) is fixed to the outer wall of the first vertical rod (11), the two cross rods (12) are fixed to the same fixing ring (9), and the piston cylinder (5) is fixed in the fixing ring (9).

5. A quantitative filling device for environmental monitoring sampling according to claim 4, characterized in that: A support rod (13) is fixed to the top of the cross bar (12), a support ring (15) is fixed to the tops of the two first vertical rods (11) and the tops of the two support rods (13), the mixing drum (1) is fixed to the outer walls of the two mixing drums (1), and a second vertical rod (14) is fixed to the bottom of the cross bar (12) near the fixing ring (9).

6. A quantitative filling device for environmental monitoring sampling according to claim 5, characterized in that: The outer wall of the piston cylinder (5) is provided with scale lines.

7. A quantitative filling device for environmental monitoring sampling according to claim 6, characterized in that: Sealing rings are fixed at the edges of the second sealing plate (20) and the first sealing plate (19).

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