CN207585732U - A kind of CNG filling machines caliberating device - Google Patents
A kind of CNG filling machines caliberating device Download PDFInfo
- Publication number
- CN207585732U CN207585732U CN201721876329.XU CN201721876329U CN207585732U CN 207585732 U CN207585732 U CN 207585732U CN 201721876329 U CN201721876329 U CN 201721876329U CN 207585732 U CN207585732 U CN 207585732U
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- Prior art keywords
- big flow
- shell
- small
- groove
- way connection
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Abstract
The utility model proposes a kind of CNG filling machines caliberating device, including shell, big flow import, mass flowmenter, small fluid inlet, big flow outlet, small flowexit, precision pressure gauge, four-way connection, three-way connection, stent, splay end plate and groove.The advantages of the utility model：Integrated level is high, and package unit is integrated in housing, is readily transported and places；Reasonable in design, connector is ensconced in groove, and reducing connector and colliding with leads to the possibility of damage；The movable dismounting of rear cover, convenient for carrying out inspection and maintenance to device.
Description
Technical field
The utility model is related to filling machine corollary equipments, particularly relate to a kind of CNG filling machines caliberating device.
Background technology
CNG（Compressed natural gas）Filling machine has valuation and function of measuring, and can realize filling for compressed natural gas,
In terms of measurement verification, CNG filling machines belong to one of measuring equipment of China's compulsory verification, since filling machine is related to trade knot
It calculates, therefore the principle of research filling machine measurement verification and points for attention are very necessary.Flow Standard Device With Standard Meter Method, it is basic to tie
Structure and theory of constitution are exactly that detected table is connected with standard scale, the relevant parameter measured by standard scale and other instruments, and
Compared with checklist, so as to determine the accuracy of checklist, theoretical foundation is the hydromechanical principle of continuity, with it
He compares the flow standard device of method, has simple in structure, and working efficiency is high, and easy to operate, small investment and manufacturing cycle are short
The advantages that.For existing caliberating device since structure design is unreasonable, connector is often exposed, easily in use or transports
Butt joint damages in journey.
Utility model content
The utility model proposes a kind of CNG filling machines caliberating devices, solve caliberating device structure in the prior art and do not conform to
The problem of reason.
What the technical solution of the utility model was realized in：A kind of CNG filling machines caliberating device, it is described including shell
Shell in be equipped with big flow import, mass flowmenter, small fluid inlet, big flow outlet, small flowexit and precision pressure
Table, big flow import, small fluid inlet and precision pressure gauge are connected with four-way connection, and four-way connection connects with mass flowmenter
Logical, mass flowmenter is connected with three-way connection, and big flow outlet and small flowexit are connected with three-way connection, fixed in shell
There is stent, the front end face of shell is equipped with splay end plate and groove, and splay end plate is located at the top of groove, big flow import, mass flow
Meter, big flow outlet and small flowexit are stretched out in shell to groove, big flow import, mass flowmenter and big flow outlet
It is each attached on stent, small fluid inlet is fixed on by fixed seat on groove, and small flowexit is fixed on three-way connection, essence
Close pressure gauge is fixed on splay end plate.
The left and right sides of the shell is equipped with and carries slot.
The rear end face of the shell be equipped with activity rear cover and turn round slot, after cover the kerve equipped with outside and the card of inside
Part turns round the interior torsion part equipped with activity of slot, turns round part and torsion slot is passed through to be connect with torsion bar, is equipped with to be sleeved between torsion bar and torsion slot and turn round on part
Spring, torsion bar coordinate with fastener, and the both ends for turning round part are equipped with protrusion.
The advantages of the utility model：Integrated level is high, and package unit is integrated in housing, is readily transported and places；Structure
Reasonable design, connector are ensconced in groove, and reducing connector and colliding with leads to the possibility of damage；The movable dismounting of rear cover, convenient for pair
Device carries out inspection and maintenance.
Description of the drawings
It in order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is the utility model internal structure front view.
Fig. 2 is the utility model internal structure vertical view.
Fig. 3 is the utility model external structure stereogram.
Fig. 4 is the utility model external structure rearview.
Fig. 5 is the A-A direction views of Fig. 4.
In figure：1- big flow imports, 2- mass flowmenters, the small fluid inlets of 3-, the outlet of 4- big flows, the small flows of 5- go out
Mouthful, 6- precision pressure gauges, 7- shells, 8- stents, 9- splay end plates, 10- carries slot, 11- grooves, 12- fixed seats, 13- four-way connections,
14- three-way connections, 15- rear covers, 16- kerves, 17- fasteners, 18- turn round slot, and 19- turns round part, 20- torsion bars.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It clearly and completely describes, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of making the creative labor
All other embodiments obtained shall fall within the protection scope of the present invention.
As shown in Figs. 1-5, a kind of CNG filling machines caliberating device, be equipped with including shell 7, in the shell 7 big flow into
Mouth 1, mass flowmenter 2, small fluid inlet 3, big flow outlet 4, small flowexit 5 and precision pressure gauge 6, big flow import 1,
Small fluid inlet 3 and precision pressure gauge 6 are connected with four-way connection 13, and four-way connection 13 is connected with mass flowmenter 2, quality stream
Gauge 2 is connected with three-way connection 14, and big flow outlet 4 and small flowexit 5 are connected with three-way connection 14, fixed in shell 7
There is a stent 8, the front end face of shell 7 is equipped with splay end plate 9 and groove 11, and splay end plate 9 is located at the top of groove 11, big flow import 1,
Mass flowmenter 2, big flow outlet 4 and small flowexit 5 are stretched out in shell 7 to groove 11, big flow import 1, quality stream
Gauge 2 and big flow outlet 4 are each attached on stent 8, and small fluid inlet 3 is fixed on by fixed seat 12 on groove 11, small stream
It measures mouth 5 to be fixed on three-way connection 14, precision pressure gauge 6 is fixed on splay end plate 9.
Shell is the containment envelope of the present apparatus, internal components and pipeline is protected, stent is fixedly connected with work with shell
For the main body frame of the present apparatus, big flow import and big flow outlet are fixed on by rigid line on stent, mass flow
Meter is directly anchored on stent, and the pipeline of small flowexit and precision pressure gauge is flexible conduit, therefore small flowexit passes through
Fixed seat is fixed in groove, and precision pressure gauge is fixed on splay end plate, and small flowexit is fixed on threeway by rigid line
On connector.By stent and shell, package unit is integrated, integrated level is high, easy to use, while is readily transported and puts
It puts, all inlet and outlet are interior to ensconce in groove, and nozzle is avoided to collide with and damages nozzle, splay end plate is convenient for the observation of pressure gauge.
When examining and determine CNG filling machines, the pipe-line system of device for marking and tested filling machine are in series, gas passes through
The air inlet of the air filling gun access standard set-up of filling machine, the air inlet of the gas outlet access gas bomb of standard set-up.Calibrating
Basic process is to first turn on filling machine, opens air filling gun valve and gas storage bottle valve and aerating, observation essence are carried out to air container
Close pressure gauge indicating value when pressure reaches the initial pressure of flow area requirement in air container, closes gas cylinder valve.By filling machine
Indicating value back to zero, while standard set-up integrated flow indicating value back to zero, open air filling gun valve and gas storage bottle valve to air container into
It goes and inflates, observe precision pressure gauge indicating value, when pressure reaches the termination pressure of flow area requirement in air container, stop adding
Gas closes air filling gun valve.The accumulated quality flow indicating value of record standard device accumulated quality flow indicating value and filling machine, and calculate
The relative error in this calibrating flow area.
The left and right sides of the shell 7 is equipped with and carries slot 10.Slot is carried convenient for the portable shell both sides movement present apparatus of personnel.
The rear end face of the shell 7 is equipped with the rear cover 15 of activity and turns round slot 18, and rear cover 15 is equipped with the kerve 16 in outside
With the fastener 17 of inside, turn round slot 18 in be equipped with activity torsion part 19, turn round part 19 pass through turn round slot 18 connect with torsion bar 20, torsion bar 20 and
The spring for being sleeved on and turning round on part 19 is equipped between torsion slot 18, torsion bar 20 coordinates with fastener 17, turns round the both ends of part 19 equipped with raised.
It needs to carry out inspection and maintenance to the device in shell, therefore by the rear cover of rear end face setting activity once in a while, need
When rear cover is opened, when not needing to, part is turned round in rotation, will be turned round part and is stuck in and turn round in slot, the protrusion for turning round part both ends blocks torsion slot, ensures to turn round
The fixation of part, at this time torsion bar be stuck in fastener, rear cover is not opened, and when opening rear cover, will first be turned round part and is firmly plucked out torsion slot, rotation is turned round
Part to torsion bar is detached from fastener, opens rear cover.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection domain within.
Claims (3)
1. a kind of CNG filling machines caliberating device, including shell（7）, it is characterised in that：The shell（7）It is interior to be equipped with big flow
Import（1）, mass flowmenter（2）, small fluid inlet（3）, big flow outlet（4）, small flowexit（5）And precision pressure gauge
（6）, big flow import（1）, small fluid inlet（3）And precision pressure gauge（6）And four-way connection（13）Connection, four-way connection
（13）With mass flowmenter（2）Connection, mass flowmenter（2）With three-way connection（14）Connection, big flow outlet（4）With small flow
Outlet（5）And three-way connection（14）Connection, shell（7）Inside it is fixed with stent（8）, shell（7）Front end face be equipped with splay end plate
（9）And groove（11）, splay end plate（9）Positioned at groove（11）Top, big flow import（1）, mass flowmenter（2）, big flow
Outlet（4）With small flowexit（5）Stretch out shell（7）To groove（11）It is interior, big flow import（1）, mass flowmenter（2）With
Big flow exports（4）It is each attached to stent（8）On, small fluid inlet（3）Pass through fixed seat（12）It is fixed on groove（11）On, it is small
Flowexit（5）It is fixed on three-way connection（14）On, precision pressure gauge（6）It is fixed on splay end plate（9）On.
2. CNG filling machines caliberating device according to claim 1, it is characterised in that：The shell（7）The left and right sides
Equipped with carrying slot（10）.
3. CNG filling machines caliberating device according to claim 1, it is characterised in that：The shell（7）Rear end face set
There is the rear cover of activity（15）With torsion slot（18）, rear cover（15）It is equipped with the kerve in outside（16）With the fastener of inside（17）, turn round slot
（18）The interior torsion part for being equipped with activity（19）, turn round part（19）Across torsion slot（18）With torsion bar（20）Connection, torsion bar（20）With turning round slot
（18）Between be equipped be sleeved on torsion part（19）On spring, torsion bar（20）With fastener（17）Part is turned round in cooperation（19）Both ends be equipped with it is convex
It rises.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721876329.XU CN207585732U (en) | 2017-12-28 | 2017-12-28 | A kind of CNG filling machines caliberating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721876329.XU CN207585732U (en) | 2017-12-28 | 2017-12-28 | A kind of CNG filling machines caliberating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207585732U true CN207585732U (en) | 2018-07-06 |
Family
ID=62740218
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721876329.XU Expired - Fee Related CN207585732U (en) | 2017-12-28 | 2017-12-28 | A kind of CNG filling machines caliberating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207585732U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114993398A (en) * | 2022-08-03 | 2022-09-02 | 四川中测流量科技有限公司 | Hydrogenation machine on-site calibrating device applying mass flow meter |
-
2017
- 2017-12-28 CN CN201721876329.XU patent/CN207585732U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114993398A (en) * | 2022-08-03 | 2022-09-02 | 四川中测流量科技有限公司 | Hydrogenation machine on-site calibrating device applying mass flow meter |
| CN114993398B (en) * | 2022-08-03 | 2022-10-18 | 四川中测流量科技有限公司 | Hydrogenation machine on-site calibrating device applying mass flow meter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180706 Termination date: 20201228 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |