CN216246716U

CN216246716U - Automatic metering and calibrating device of gas dispenser

Info

Publication number: CN216246716U
Application number: CN202122866922.9U
Authority: CN
Inventors: 朱家树
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-11-22
Filing date: 2021-11-22
Publication date: 2022-04-08
Anticipated expiration: 2031-11-22

Abstract

The utility model discloses an automatic metering and calibrating device of a gas dispenser, which comprises a metering cylinder, wherein a fixing mechanism is arranged on the metering cylinder, an air inlet pipe is fixedly arranged on the metering cylinder through a limiting disc, a blocking mechanism is arranged in the air inlet pipe, a sliding disc is arranged in the metering cylinder through a sliding mechanism, a plurality of reset spring rods are fixedly arranged between the sliding disc and the metering cylinder, a marking mechanism is arranged between the sliding disc and the metering cylinder, an exhaust pipe is fixedly arranged on the metering cylinder, an extrusion disc is slidably arranged in the metering cylinder through a calibration pipe, a pressure tester is fixedly arranged in the calibration pipe, and the extrusion spring rods are fixedly arranged between the pressure tester and the extrusion disc. Has the advantages that: the utility model is convenient to transfer and install, can quickly and roughly measure the natural gas flow rate in the gas filling machine, can accurately test the natural gas flow rate, and has better measuring and testing effect and stronger practicability.

Description

Automatic metering and calibrating device of gas dispenser

Technical Field

The utility model relates to the technical field of gas dispensers, in particular to an automatic metering and calibrating device of a gas dispenser.

Background

The gas dispenser is equipment for filling compressed natural gas into a natural gas automobile, and an automatic metering and calibrating device is usually arranged on the gas dispenser so as to measure the flow of the natural gas during gas filling of the gas dispenser and conveniently control the flow of the natural gas;

the existing metering and calibrating device generally adopts the mode that an inductor is arranged in a pipeline of the gas dispenser to carry out metering, but the mode only carries out rough metering, a metering result has certain errors, the natural gas flow cannot be accurately metered, and the movement is troublesome, so that certain limitations are realized, and therefore the automatic metering and calibrating device of the gas dispenser is urgently needed to be designed to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems in the prior art and provides an automatic metering and calibrating device of a gas dispenser.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides an add automatic measurement calibrating installation of mechanism of qi, includes a metering cylinder, install fixed establishment on the metering cylinder, there is the intake pipe through spacing dish fixed mounting on the metering cylinder, and installs in the intake pipe and block the mechanism, install the slip dish through slide mechanism in the metering cylinder, and fixed mounting has a plurality of reset spring poles between slip dish and the metering cylinder, install between slip dish and the metering cylinder and mark the mechanism, fixed mounting has the blast pipe on the metering cylinder, there is the stripper plate through examining tub slidable mounting in the metering cylinder, examine and determine intraductal fixed mounting piezometer, and fixed mounting has the extrusion spring pole between piezometer and the stripper plate, fixed mounting has piezometer matched with display panel on the metering cylinder.

In the automatic metering and detecting device of the gas dispenser, the fixing mechanism comprises a fixing block fixedly mounted on the metering cylinder, two mounting plates are fixedly mounted on the fixing block, and a plurality of mounting holes are formed in the two mounting plates.

In foretell automatic metering calibrating device who adds mechanism, block the fixed disk that the mechanism includes fixed mounting in the inlet tube, there is sealed dish through intercommunicating pore slidable mounting in the fixed disk, and fixed mounting has two compression spring between the inner wall of sealed dish and intercommunicating pore, install the air guide structure in the intercommunicating pore.

In foretell automatic metering calibrating device who adds mechanism of qi, the air guide structure includes the fixed axle of fixed mounting in the intercommunicating pore, install two arc dishes through rotating from the pivot that restores to the throne on the fixed axle, and the intercommunicating pore fixed mounting have two and corresponding arc dish matched with limiting plate.

In the automatic metering and testing device of the gas dispenser, the sliding mechanism comprises two trapezoidal sliding blocks fixedly mounted on the sliding disc, two trapezoidal sliding grooves are formed in the metering cylinder, and the two trapezoidal sliding blocks are respectively clamped and mounted in the two trapezoidal sliding grooves.

In the automatic metering and detecting device of the gas dispenser, the marking mechanism comprises a scale marking rod fixedly mounted on the metering cylinder, the scale marking rod is slidably mounted with a marking rod, and a connecting rod is fixedly mounted between the marking rod and the sliding disk.

Compared with the prior art, the utility model has the advantages that:

1: through setting up fixed establishment, can adopt the spiral round pin to pass the mounting hole in the mounting panel in the fixed establishment, fix the spiral round pin in the position that needs to be fixed again, can carry out the monolithic stationary to this device, it is all comparatively convenient to install fixed removal.

2: through setting up intake pipe and metering cylinder, can be linked together the intake pipe with the pipeline of giving vent to anger that adds the mechanism of qi, the pipeline of giving vent to anger when carrying out the air entrainment, have partial natural gas to get into metering cylinder through the intake pipe in, can shunt the measurement to the natural gas of circulation.

3: through setting up the sliding tray, can pile up in it after natural gas gets into in the metering cylinder, can promote the sliding tray to rise when piling up promptly, can calculate the natural gas content that gets into in the metering cylinder according to the distance that the sliding tray rises and the area of sliding tray to obtain the natural gas flow through-flow volume of the pipeline of giving vent to anger in the corresponding time according to the area of sliding tray and the proportion relation between the pipeline area of giving vent to anger of gas filling machine.

4: through setting up marking mechanism, the circulation content of natural gas in the pipeline of giving vent to anger behind the corresponding distance of slip dish that mark mechanism interior scale numerical value on the scale mark post is calculated in advance, can drive when the slip dish removes and mark the pole and remove on the scale mark post promptly, can directly mark the scale numerical value on the scale mark post to can audio-visually reachd the natural gas flow through-flow volume of the pipeline of giving vent to anger, it is comparatively convenient.

5: through setting up the pressure measurement ware, the natural gas can exert pressure to the crushing disk when piling up in the metering cylinder, can conduct to the pressure measurement ware through the extrusion spring pole during the crushing disk atress promptly, and the pressure measurement ware can directly measure out the content and the pressure size of the natural gas in the metering cylinder according to the size of atress this moment to can calculate the circulation flow of natural gas in the interior gas outlet pipeline of unit interval indirectly, the measurement result is more accurate.

In conclusion, the utility model is convenient to transfer and install, can quickly and roughly measure the natural gas flow rate in the gas filling machine, can accurately detect the natural gas flow rate, and has better measuring and detecting effects and stronger practicability.

Drawings

Embodiments of the utility model are described in further detail below with reference to the attached drawing figures, wherein:

fig. 1 is a schematic structural diagram of an automatic metering and calibrating device of a dispenser according to the present invention;

FIG. 2 is a cross-sectional view of the measuring cylinder of FIG. 1 with its internal structure;

FIG. 3 is a cross-sectional view of the calibration tube of FIG. 2 and its internal structure;

fig. 4 is a schematic view of the internal structure of the intake pipe in fig. 2.

In the figure: the device comprises a fixed block 1, a mounting plate 2, a display plate 3, a detection tube 4, an air inlet tube 5, an air outlet tube 6, a mounting hole 7, a metering cylinder 8, a limit disc 9, a sliding disc 10, a reset spring rod 11, a pressure tester 12, a squeezing disc 13, a squeezing spring rod 14, a fixed disc 15, a communication hole 16, a sealing disc 17, a compression spring 18, a self-reset rotating shaft 19, an arc disc 20 and a limit plate 21.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, an automatic metering and calibrating device of a gas dispenser comprises a metering cylinder 8, a fixing mechanism is installed on the metering cylinder 8, an air inlet pipe 5 is fixedly installed on the metering cylinder 8 through a limiting disc 9, a blocking mechanism is installed in the air inlet pipe 5, a sliding disc 10 is installed in the metering cylinder 8 through a sliding mechanism, a plurality of reset spring rods 11 are fixedly installed between the sliding disc 10 and the metering cylinder 8, an exhaust pipe 6 is fixedly installed on the metering cylinder 8, an extrusion disc 13 is slidably installed in the metering cylinder 8 through an inspection pipe 4, a pressure tester 12 is fixedly installed in the inspection pipe 4, an extrusion spring rod 14 is fixedly installed between the pressure tester 12 and the extrusion disc 13, and a display panel 3 matched with the pressure tester 12 is fixedly installed on the metering cylinder 8;

the following points are notable:

1. install fixed establishment on a metering cylinder 8, fixed establishment includes fixed block 1 of fixed mounting on a metering cylinder 8, and fixed mounting has two mounting panels 2 on fixed block 1, and has all seted up a plurality of mounting holes 7 on two mounting panels 2, can adopt the spiral round pin to pass mounting hole 7 in mounting panel 2 in the fixed establishment, fixes the spiral round pin in the position that needs to fix again, can carry out the monolithic stationary to this device, and it is all comparatively convenient to install fixed removal.

2. The gas inlet pipe 5 can be communicated with a gas outlet pipeline of the gas dispenser, and when the gas outlet pipeline is used for gas dispensing, part of natural gas enters the metering cylinder 8 through the gas inlet pipe 5, so that the circulating natural gas can be subjected to flow distribution metering.

3. Blocking mechanism includes fixed disk 15 of fixed mounting in intake pipe 5, has sealed dish 17 through intercommunicating pore 16 slidable mounting in the fixed disk 15, and fixed mounting has two compression spring 18 between the inner wall of sealed dish 17 and intercommunicating pore 16, blocks the mechanism and is used for admitting air to intake pipe 5 and blocks, makes in the natural gas can only get into metering cylinder 8 through intake pipe 5 from bottom to top, and can not flow backward to intake pipe 5 by metering cylinder 8.

4. An air guide structure is arranged in the communicating hole 16 and comprises a fixed shaft fixedly arranged in the communicating hole 16, two arc-shaped discs 20 are rotatably arranged on the fixed shaft through a self-resetting rotating shaft 19, two limiting plates 21 matched with the corresponding arc-shaped discs 20 are fixedly arranged in the communicating hole 16, and the air guide structure is used for blocking the communicating hole 16 so that the communicating hole 16 can only circulate in a single direction.

5. The natural gas can be accumulated in the metering cylinder 8 after entering the metering cylinder, the sliding disc 10 can be pushed to ascend when the natural gas is accumulated, the content of the natural gas entering the metering cylinder 8 can be calculated according to the ascending distance of the sliding disc 10 and the area of the sliding disc 10, and the natural gas flow rate of the gas outlet pipeline in corresponding time can be obtained according to the proportional relation between the area of the sliding disc 10 and the area of the gas outlet pipeline of the gas dispenser.

6. The sliding mechanism comprises two trapezoidal sliding blocks fixedly mounted on the sliding disc 10, two trapezoidal sliding grooves are formed in the metering cylinder 8, the two trapezoidal sliding blocks are respectively clamped and mounted in the two trapezoidal sliding grooves, and the sliding mechanism is used for enabling the sliding disc 10 to vertically slide in the metering cylinder 8 and cannot deviate from and separate from the metering cylinder 8.

7. A marking mechanism is arranged between the sliding disc 10 and the metering cylinder 8, the marking mechanism comprises a scale mark rod fixedly arranged on the metering cylinder 8, a marking rod is slidably arranged on the scale mark rod, and a connecting rod is fixedly arranged between the marking rod and the sliding disc 10;

the scale numerical value on the scale mark post in the marking mechanism is the circulation content of the natural gas in the pipeline of giving vent to anger after the corresponding distance that moves up of the slip dish 10 that has calculated in advance, can drive when the slip dish 10 removes and mark the pole and move on the scale mark post promptly, can directly mark the scale numerical value on the scale mark post to can be according to the audio-visual natural gas flow volume that reachs the pipeline of giving vent to anger of numerical value on the scale mark post, it is comparatively convenient.

8. The natural gas can exert pressure to the crushing disk 13 when piling up in the metering cylinder 8, can conduct to pressure measurement ware 12 through extrusion spring rod 14 when crushing disk 13 atress, and pressure measurement ware 12 can directly measure out the content and the pressure size of the natural gas in the metering cylinder 8 according to the size of atress this moment to can indirectly calculate the circulation flow of natural gas in the pipeline of giving vent to anger in the unit interval, the measurement result is more accurate.

9. After the metrological verification finishes, can open blast pipe 6, the pressure in the measuring cylinder 8 is greater than outside atmospheric pressure this moment, and sliding disc 10 can move down under the reset action of a plurality of reset spring poles 11 promptly to can pass through the natural gas in the measuring cylinder 8 and extrude to the outside of measuring cylinder 8 through blast pipe 6, so that measure once more.

Further, unless otherwise specifically stated or limited, the above-described fixed connection is to be understood in a broad sense, and may be, for example, welded, glued, or integrally formed as is conventional in the art.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The automatic metering and calibrating device of the gas dispenser comprises a metering cylinder (8) and is characterized in that a fixing mechanism is installed on the metering cylinder (8), an air inlet pipe (5) is fixedly installed on the metering cylinder (8) through a limiting disc (9), a blocking mechanism is installed in the air inlet pipe (5), a sliding disc (10) is installed in the metering cylinder (8) through a sliding mechanism, a plurality of reset spring rods (11) are fixedly installed between the sliding disc (10) and the metering cylinder (8), a marking mechanism is installed between the sliding disc (10) and the metering cylinder (8), an exhaust pipe (6) is fixedly installed on the metering cylinder (8), an extrusion disc (13) is slidably installed in the metering cylinder (8) through an inspection pipe (4), a pressure tester (12) is fixedly installed in the inspection pipe (4), and an extrusion spring rod (14) is fixedly installed between the pressure tester (12) and the extrusion disc (13), and the measuring cylinder (8) is fixedly provided with a display plate (3) matched with the pressure measuring device (12).

2. The automatic metering and calibrating device of the gas dispenser according to claim 1, wherein the fixing mechanism comprises a fixing block (1) fixedly mounted on the metering cylinder (8), two mounting plates (2) are fixedly mounted on the fixing block (1), and a plurality of mounting holes (7) are formed in the two mounting plates (2).

3. The automatic metering and calibrating device of a gas dispenser according to claim 1, wherein the blocking mechanism comprises a fixed disk (15) fixedly installed in the gas inlet pipe (5), a sealing disk (17) is installed in the fixed disk (15) in a sliding mode through a communication hole (16), two compression springs (18) are fixedly installed between the inner walls of the sealing disk (17) and the communication hole (16), and a gas guide structure is installed in the communication hole (16).

4. The automatic metering and calibrating device of the gas dispenser according to claim 3, wherein the gas guide structure comprises a fixed shaft fixedly installed in the communicating hole (16), two arc-shaped discs (20) are rotatably installed on the fixed shaft through a self-resetting rotating shaft (19), and two limiting plates (21) matched with the corresponding arc-shaped discs (20) are fixedly installed in the communicating hole (16).

5. The automatic metering and calibrating device of the gas dispenser according to claim 1, wherein the sliding mechanism comprises two trapezoidal sliding blocks fixedly mounted on the sliding disk (10), two trapezoidal sliding grooves are formed in the metering cylinder (8), and the two trapezoidal sliding blocks are respectively mounted in the two trapezoidal sliding grooves in a clamping manner.

6. The automatic metering and calibrating device of the gas dispenser according to claim 5, wherein the marking mechanism comprises a scale mark rod fixedly mounted on the metering cylinder (8), the scale mark rod is slidably mounted with a marking rod, and a connecting rod is fixedly mounted between the marking rod and the sliding disk (10).