CN214538741U - Metering device - Google Patents
Metering device Download PDFInfo
- Publication number
- CN214538741U CN214538741U CN202120195718.6U CN202120195718U CN214538741U CN 214538741 U CN214538741 U CN 214538741U CN 202120195718 U CN202120195718 U CN 202120195718U CN 214538741 U CN214538741 U CN 214538741U
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- Prior art keywords
- mounting frame
- glass
- metering device
- mounting
- metering tube
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- 239000011521 glass Substances 0.000 claims abstract description 38
- 238000007789 sealing Methods 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 16
- 239000007788 liquid Substances 0.000 abstract description 14
- 239000003153 chemical reaction reagent Substances 0.000 abstract description 7
- 238000001514 detection method Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 3
- 238000012372 quality testing Methods 0.000 abstract description 3
- 230000002572 peristaltic effect Effects 0.000 description 4
- 238000012544 monitoring process Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 210000002445 nipple Anatomy 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Abstract
The utility model provides a metering device belongs to water quality testing technical field. The technical scheme is as follows: the metering device is characterized by comprising a mounting frame, wherein a hollow glass metering tube is arranged on the mounting frame, the upper end and the lower end of the glass metering tube extend out of the mounting frame and are provided with hollow plugs, and threaded holes are reserved in the plugs; infrared geminate transistors are symmetrically arranged on the mounting rack and positioned on the outer sides of the upper end and the lower end of the glass metering tube; a plurality of mounting holes are reserved in the mounting frame. The utility model has the advantages that: can measure the reagent or water sample and other liquids used in the water quality detection process.
Description
Technical Field
The utility model relates to a water quality testing technical field especially relates to a metering device.
Background
The water quality detection analyzer is widely applied to monitoring points such as a water environment automatic monitoring station, a pollution discharge monitoring point, a regional water boundary point and the like, can detect the functions of various substances in a water sample in real time by using different reagents and reaction methods, and is a water quality detection instrument with strong compatibility. In the detection process, reagents and water samples need to be measured so as to ensure the accuracy of detection data.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a can carry out the device that measures to liquid such as reagent or water sample that the water quality testing in-process was used.
The utility model discloses a realize through following technical scheme: the metering device is characterized by comprising a mounting frame, wherein a hollow glass metering tube is arranged on the mounting frame, the upper end and the lower end of the glass metering tube extend out of the mounting frame and are provided with hollow plugs, and threaded holes are reserved in the plugs;
infrared geminate transistors are symmetrically arranged on the mounting rack and positioned on the outer sides of the upper end and the lower end of the glass metering tube;
a plurality of mounting holes are reserved in the mounting frame.
A cylindrical fixing piece is arranged on the mounting frame at a position corresponding to the infrared pair tubes, one end of the cylindrical fixing piece is provided with a flange, and the other end of the cylindrical fixing piece extends into the mounting frame and abuts against the glass metering tube;
the flange is fixed the outside of mounting bracket, the cylindricality mounting is gone up and is concentric and link up and be provided with the shoulder hole, infrared geminate transistors sets up the major diameter end in shoulder hole.
And a curved surface matched with the outer wall of the glass metering tube is arranged at the contact end of the cylindrical fixing piece and the glass metering tube.
The glass metering tube is characterized in that hollow external thread joints are arranged at two ends of the glass metering tube and are arranged on the mounting frame through threaded connections, and the plugs are connected with the external thread joints through threaded connections.
The infrared pair tubes are glued in the stepped holes. The inner side of the infrared geminate transistor is propped against the reducing part of the stepped hole.
The mounting frame comprises a bottom plate, two side plates and two end plates, wherein the two side plates and the two end plates are arranged on the periphery of the bottom plate;
the flange is fixed to the side plate.
The outer sides of the two side plates are provided with outer connecting plates, the mounting holes are formed in the outer connecting plates, and observation ports are formed in positions, corresponding to the glass metering tubes, of the bottom plate.
And a sealing washer is arranged between the external thread joint and the plug, and is made of corrosion-resistant materials.
During practical use, the lower end of the glass metering tube is connected with the multi-way valve through a hose, and the upper end of the glass metering tube is connected with the peristaltic pump through a hose. When the device works, a reagent (a detected water sample) is pressed into the glass metering tube through the multi-way valve by the peristaltic pump, and with the continuous rise of the liquid level, when the liquid level reaches the position of the upper infrared pair tube, the infrared ray is changed to generate an electric signal, and then the suction is stopped; the liquid sucked in the glass metering tube enters the reaction device after passing through the multi-way valve, and an electric signal is also generated when the liquid level reaches the position of the lower section of the infrared pair tube along with the continuous reduction of the liquid level, and the discharge is stopped at the moment; the liquid level difference between the infrared pair tubes is a fixed metering value, and the multi-way valve can adopt a nine-way valve.
The utility model has the advantages that: the method can measure the liquid such as reagent or water sample used in the water quality detection process; simple structure and convenient installation.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is an installation schematic diagram of the middle part of the present invention.
Fig. 3 is a schematic structural view of a cylindrical fixing member.
Wherein the reference numerals are: 1. a mounting frame; 2. a glass metering tube; 3. a plug; 4. a cylindrical fixing frame; 5. a sealing gasket; 101. a base plate; 102. a side plate; 103. an end plate; 104. an outer connecting plate; 105. a viewing port; 201. an externally threaded nipple; 401. a flange; 402. a stepped bore.
Detailed Description
In order to clearly illustrate the technical features of the present solution, the present solution is explained below by way of specific embodiments.
Referring to fig. 1-3, the utility model is a metering device, which comprises a mounting frame 1, a hollow glass metering tube 2 is arranged on the mounting frame 1, the upper and lower ends of the glass metering tube 2 both extend out of the mounting frame 1 and are provided with hollow plugs 3, and threaded holes are reserved on the plugs 3;
infrared geminate transistors are symmetrically arranged on the mounting rack 1 and on the outer sides of the upper end and the lower end of the glass metering tube 2;
the mounting frame 1 is provided with a plurality of mounting holes.
A cylindrical fixing piece 4 is arranged on the mounting frame 1 at a position corresponding to the infrared pair tubes, one end of the cylindrical fixing piece 4 is provided with a flange 401, and the other end of the cylindrical fixing piece 4 extends into the mounting frame 1 and abuts against the glass metering tube 2;
the flange 401 is fixed outside the mounting frame 1, the cylindrical fixing member 4 is concentrically and penetratingly provided with a stepped hole 402, and the infrared pair tube is arranged at the large-diameter end of the stepped hole 402.
The contact end of the cylindrical fixing piece 4 and the glass metering tube 2 is provided with a curved surface matched with the outer wall of the glass metering tube 2.
The both ends of glass metering tube 2 are provided with hollow screwed joint 201, and screwed joint 201 passes through threaded connection and sets up on mounting bracket 1, and end cap 3 passes through threaded connection and is connected with screwed joint 201.
The infrared pair of tubes 2 are glued into the stepped hole 402. The inner side of the infrared pair tube 402 is against the 402 reducing part of the stepped hole.
The mounting rack 1 comprises a bottom plate 101, two side plates 102 and two end plates 103 which are arranged on the periphery of the bottom plate 101, and the upper end and the lower end of the glass metering tube 2 extend out of the end plates 103 and are fixed through an external thread joint 201;
the flange 401 is fixed to the side plate 102.
A sealing washer 5 is arranged between the male adapter 201 and the plug 3, and the sealing washer 5 is made of corrosion-resistant materials.
During the in-service use, the lower extreme of glass metering tube 2 passes through the hose to be connected with the multi-way valve, and the upper end passes through the hose to be connected with the peristaltic pump. When the device works, a reagent (or a water sample) is pressed into the glass metering tube 2 through the multi-way valve by the peristaltic pump, and with the continuous rise of the liquid level, when the device reaches the position of the infrared pair tube at the upper end, the change of infrared rays can be caused, an electric signal is generated, and at the moment, the suction is stopped; the liquid sucked in the glass metering tube 2 enters the reaction device after passing through the multi-way valve, and an electric signal is also generated when the liquid level reaches the position of the lower section of the infrared pair tube along with the continuous reduction of the liquid level, and the discharge is stopped at the moment; the liquid level difference between the infrared pair tubes is a fixed metering value, and the multi-way valve can adopt a nine-way valve.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. 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 invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the invention, unless otherwise specified, "a plurality" means two or more.
In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the creation of the present invention can be understood by those of ordinary skill in the art through specific situations.
The technical features that the utility model has not been described can be realized through or adopt prior art, and no longer give unnecessary details here, and of course, the above-mentioned explanation is not right the utility model discloses a restriction, the utility model discloses also not only be limited to the above-mentioned example, ordinary skilled person in this technical field is in the utility model discloses a change, modification, interpolation or replacement made in the essential scope also should belong to the utility model discloses a protection scope.
Claims (8)
1. The metering device is characterized by comprising a mounting frame, wherein a hollow glass metering tube is arranged on the mounting frame, the upper end and the lower end of the glass metering tube extend out of the mounting frame and are provided with hollow plugs, and threaded holes are reserved in the plugs;
infrared geminate transistors are symmetrically arranged on the mounting rack and positioned on the outer sides of the upper end and the lower end of the glass metering tube;
a plurality of mounting holes are reserved in the mounting frame.
2. The metering device of claim 1, wherein a cylindrical fixing member is arranged on the mounting frame at a position corresponding to the infrared pair tube, one end of the cylindrical fixing member is provided with a flange, and the other end of the cylindrical fixing member extends into the mounting frame and abuts against the glass metering tube;
the flange is fixed the outside of mounting bracket, the cylindricality mounting is gone up and is concentric and link up and be provided with the shoulder hole, infrared geminate transistors sets up the major diameter end in shoulder hole.
3. The metering device of claim 2 wherein the end of the cylindrical fixture that contacts the glass metering tube is provided with a curved surface that engages the outer wall of the glass metering tube.
4. The metering device of claim 2, wherein hollow male connectors are arranged at two ends of the glass metering tube, the male connectors are arranged on the mounting frame through threaded connection, and the plugs are connected with the male connectors through threaded connection.
5. The metering device of claim 2, wherein the infrared pair of tubes is glued within the stepped bore.
6. The metering device of claim 4, wherein the mounting frame comprises a bottom plate, two side plates and two end plates, the two side plates and the two end plates are arranged on the periphery of the bottom plate, and the upper end and the lower end of the glass metering tube extend out of the end plates and are fixed through the external thread joint;
the flange is fixed to the side plate.
7. The metering device of claim 6, wherein outer connecting plates are arranged on the outer sides of the two side plates, the mounting holes are formed in the outer connecting plates, and observation ports are formed in positions, corresponding to the glass metering tubes, of the bottom plate.
8. The metering device of claim 4, wherein a sealing gasket is disposed between the male adapter and the plug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120195718.6U CN214538741U (en) | 2021-01-25 | 2021-01-25 | Metering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120195718.6U CN214538741U (en) | 2021-01-25 | 2021-01-25 | Metering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214538741U true CN214538741U (en) | 2021-10-29 |
Family
ID=78346412
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120195718.6U Active CN214538741U (en) | 2021-01-25 | 2021-01-25 | Metering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214538741U (en) |
-
2021
- 2021-01-25 CN CN202120195718.6U patent/CN214538741U/en active Active
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| GR01 | Patent grant | ||
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