CN209485450U - A kind of gas meter, flow meter - Google Patents
A kind of gas meter, flow meter Download PDFInfo
- Publication number
- CN209485450U CN209485450U CN201821911900.1U CN201821911900U CN209485450U CN 209485450 U CN209485450 U CN 209485450U CN 201821911900 U CN201821911900 U CN 201821911900U CN 209485450 U CN209485450 U CN 209485450U
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- wheel
- valve deck
- diaphragm
- flow meter
- gas meter
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Abstract
The utility model discloses a kind of gas meter, flow meters, machine core including being provided with measurement chamber and diaphragm, it is provided with transmission mechanism on the machine core to be connected with diaphragm and the centre wheel that rotates and with the combustion gas distributor gear of moveable valve deck under diaphragm promotion, is additionally provided with connection centre wheel and valve deck and the turning wheel being meshed with centre wheel on the machine core.The utility model replaces connecting rod to be driven by turning wheel, solve the problems, such as that connecting rod is easily broken off after prolonged use, since turning wheel and centre wheel are intermeshed, there is determining transmission ratio, transmission accuracy is higher, keep valve deck movement more accurate, error of the combustion gas in distribution is reduced, improves the precision of gas meter, flow meter, simultaneously, it is driven by turning wheel, there is higher stability compared to link transmission.
Description
Technical field
The utility model relates to instrumental technique, in particular to a kind of gas meter, flow meter.
Background technique
Diaphragm gas meter is a kind of gas meter being widely used, higher, broad quantum, performance with the accuracy of measuring
Stablize, the advantages that technique is easily controllable, cost performance is high.There are four measurement chamber for setting in diaphragm gas meter, set on gas meter, flow meter
The centre wheel that is rotated is equipped under diaphragm promotion and with the valve seat and valve deck with distribution combustion gas, between valve deck and centre wheel
It is connected by link mechanism, in rotation, driving valve deck moves centre wheel on valve seat, to control each measurement chamber successively
Inflation and exhaust.It is driven between centre wheel and valve deck often through connecting rod on traditional diaphragm gas meter, this transmission side
Formula exists following insufficient: the transmission accuracy of connecting rod is relatively low, so that error of the combustion gas in distribution is larger, leads to final gas meter, flow meter
Measurement error is larger；The problem of connecting rod strength is lower, is easy to happen fracture after long-term use.
Summary of the invention
The purpose of this utility model is to solve to connect between centre wheel and valve deck by connecting rod in existing diaphragm gas meter
It connects, after long-term use, the problem of connecting rod is easily broken off, a kind of gas meter, flow meter is provided, can effectively solve the problem that the above problem.
The purpose of this utility model is achieved by the following technical solution: a kind of gas meter, flow meter, including is provided with measurement chamber
The machine core of room and diaphragm is provided with the center that transmission mechanism is connected with diaphragm and rotates under diaphragm promotion on the machine core
Wheel and the combustion gas distributor gear with moveable valve deck are additionally provided with connection centre wheel and valve deck and and center on the machine core
Take turns the turning wheel being meshed.
The utility model distributes combustion gas by combustion gas distributor gear, successively inflates and arranges to control each measurement chamber
Gas.After combustion gas enters measurement chamber, motion of membrane is pushed, diaphragm drives centre wheel continuous rotation by transmission mechanism.The combustion
Gas distributor gear realizes the distribution of combustion gas by the movement of valve deck.The movement of the valve deck is realized by turning wheel.Due to dialling
Driving wheel is engaged with centre wheel, when so that centre wheel rotating, turning wheel synchronous rotation is able to drive, due to turning wheel while and valve deck
It is connected, so that turning wheel has driven the movement of valve deck while rotation.The utility model is carried out by turning wheel instead of connecting rod
Transmission, solves the problems, such as that connecting rod is easily broken off after prolonged use.Simultaneously because turning wheel and centre wheel are intermeshed, tool
There is determining transmission ratio, transmission accuracy is higher, keeps valve deck movement more accurate, reduces error of the combustion gas in distribution, improves
The precision of gas meter, flow meter.Meanwhile being driven by turning wheel, there is higher stability compared to link transmission.
Preferably, the machine core is provided with the rocker arm being connected with diaphragm, the swing arm connects vertical shaft, and the vertical shaft passes through
Link mechanism is connected with centre wheel.
Preferably, the combustion gas distributor gear includes valve seat and is arranged on valve seat the valve that can be relatively moved with valve seat
It covers, is provided with the blow vent being connected to measurement chamber on the valve seat.
Preferably, being provided with sliding slot on the valve deck, the boss for deviateing turning wheel center is provided on the turning wheel,
The protrusion is connected in the sliding slot.The centre wheel drives turning wheel to rotate synchronously in rotation.By that will stir
Boss on wheel is arranged in sliding slot, makes to form slide way mechanism between turning wheel and valve deck, and the rotary motion of turning wheel is converted
For the linear motion of valve deck.
Preferably, being provided with pilot hole on the valve deck, leading for fixed bracket connection is provided on the machine core
To bar, the guide rod passes through the pilot hole on valve deck.
Preferably, the pilot hole and sliding slot are arranged in a mutually vertical manner.
Preferably, the guide rod is made up of stainless steel material.
Preferably, being provided with counting device on the machine core.The counting device is used to measure and show the stream of combustion gas
Flux.
The beneficial effects of the utility model are: the utility model replaces connecting rod to be driven by turning wheel, the company of solving
The problem of bar is easily broken off after prolonged use.Since turning wheel and centre wheel are intermeshed, there is determining transmission ratio, pass
Dynamic precision is higher, keeps valve deck movement more accurate, reduces error of the combustion gas in distribution, improves the precision of gas meter, flow meter.Together
When, it is driven by turning wheel, there is higher stability compared to link transmission.
Detailed description of the invention
Fig. 1 is the utility model axonometric drawing.
Fig. 2 is the utility model top view.
Fig. 3 is the utility model Structure explosion diagram.
Fig. 4 is the utility model valve deck box-shaped structure schematic diagram.
Fig. 5 is the utility model turning wheel positive structure schematic.
Fig. 6 is the utility model turning wheel structure schematic diagram.
In figure: 1, core body, 2, side cover, 3, rocking bar, 4, connecting rod, 5, centre wheel, 6, escape pipe, 7, fixed bracket, 8, meter
Number device, 9, rocker arm, 10, sealing ring, 11, diaphragm, 12, film clamping plate, 13, Magnetic drive component, 14, counting gear group, 15, valve deck sheet
Body, 16, valve deck box, 17, guide rod, 18, valve seat, 19, turning wheel, the 20, first driving wheel, the 21, second driving wheel, 22, vertical
Axis, 23, central axis.
Specific embodiment
Utility model is further described below by specific embodiment and in conjunction with attached drawing.
As shown in figures 1 to 6, a kind of gas meter, flow meter, including machine core.The machine core includes core body 1.On the core body 1
It is provided with escape pipe 6.1 two sides of core body are connected separately with side cover 2.Side cover 2 and core body 1 formation of 1 two sides of core body
Two independent measuring rooms.Diaphragm 11 is provided between each side cover and core body 1.Between the diaphragm 11 and core body 1
It is provided with sealing ring 10.Each measuring room is divided into two independent measurement chamber by the diaphragm 11.1 two sides pair of core body
Claim the vertical shaft 22 for being provided with vertical direction setting.The vertical shaft 22 can be relatively rotated with core body 1.The close core body 1 one
Rocker arm 9 is provided in the Liang Ge measurement chamber of side.Described 9 one end of rocker arm is fixed on diaphragm 11 by film clamping plate 12, the other end
It is connected with the lower end of vertical shaft 22.The rocker arm 9 is swung under the drive of diaphragm, so that vertical shaft 22 be driven to rotate.Two
22 upper end of vertical shaft is respectively arranged with the rocking bar 3 vertical with vertical shaft.The end of two rocking bars 3 is respectively connected with connecting rod 4.
It is provided with central axis 23 on the machine core, is connected with centre wheel 5 on the central axis 23.4 end part of connecting rod
It is not connected with centre wheel 5.Two connecting rods 4 are connected to the same tie point on centre wheel 5, and the tie point deviates centre wheel 5
Center.
Gas distribution device is provided on the machine core.The gas distribution device includes valve seat 18.On the valve seat 18
It is provided with 4 blow vents.The blow vent is arranged in a linear.The blow vent and the indoor chamber of metering correspond, and every
A blow vent and corresponding chamber.The fixation bracket 7 being also connected on the machine core above valve seat 18.It is described solid
The guide rod 17 being provided on fixed rack 7 above valve seat 18.The guide rod 17 along valve seat upper vent hole arrangement side
To setting.There are two moveable valve decks for connection above the valve seat 18.The valve deck includes valve deck ontology 16 and valve deck box
15.15 sets of the valve deck box is above valve deck ontology 16.Pilot hole and sliding slot are provided on the valve deck box 15.It is described to lead
It is mutually perpendicular to hole and sliding slot.The guide rod 17 pass through the pilot hole on valve deck box 15 enable valve deck along
Guide rod 17 is mobile.
Symmetrically arranged turning wheel 19 there are two being also connected on the fixed bracket 7.Two turning wheels 19 while and center
Wheel engagement.Two turning wheels 19 and two valve decks correspond.It is provided on the turning wheel 19 and is connected with corresponding valve deck
The boss connect.The boss eccentric setting.The boss is connected in the sliding slot on valve deck.The centre wheel 5 is in rotation, together
When drive two turning wheels to rotate synchronously.It is connected due to passing through boss and sliding slot between turning wheel and valve deck, makes turning wheel and valve
Slide way mechanism is formed between lid, converts valve deck along the linear motion of guide rod for the rotary motion of turning wheel.
The first driving wheel 20 and the second driving wheel 21 are also connected on the machine core.First driving wheel 20 and center
5 engagement of wheel.First driving wheel 21 is engaged with the first driving wheel 20.First driving wheel is mutually perpendicular to the second driving wheel
Setting.Second driving wheel 21 connects Magnetic drive component 13, the Magnetic drive component connection count gear set 14, the counting
14 linkage counter 8 of gear set.
The working principle of the utility model is as follows: Liang Ge measurement chamber is respectively set in two sides in machine core, the two of every side
It is separated between a measurement chamber by diaphragm.The combustion gas of distribution sequentially enters each measurement chamber, pushes motion of membrane, diaphragm
It moving and rocker arm is driven to swing, and then centre wheel rotation is driven by link mechanism, centre wheel passes through transmission parts actuation counter,
The circulation of combustion gas is shown eventually by counter.The distribution of combustion gas is completed by valve seat and valve deck.Through valve deck on valve seat
Movement turns on or off different blow vents, successively inflates and is vented to control each measurement chamber, enables diaphragm
Push centre wheel continuous rotation.The movement of the valve deck realizes that specific work process is as follows by turning wheel: centre wheel exists
When rotation, two turning wheels is driven to rotate synchronously, is connected due to passing through boss and sliding slot between turning wheel and valve deck, make turning wheel
Slide way mechanism is formed between valve deck, converts valve deck along the linear motion of guide rod for the rotary motion of turning wheel.
Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention, it is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic
It is equivalently replaced, within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on,
It should be included within the scope of protection of this utility model.
Claims (8)
1. a kind of gas meter, flow meter, it is characterised in that: the machine core including being provided with measurement chamber and diaphragm (11) is arranged on the machine core
Have and is connected by transmission mechanism with diaphragm (11) and pushes the lower centre wheel (5) rotated in diaphragm (11) and have moveable valve
The combustion gas distributor gear of lid is additionally provided with connection centre wheel and valve deck and the turning wheel being meshed with centre wheel on the machine core
(19).
2. a kind of gas meter, flow meter according to claim 1, which is characterized in that the machine core, which is provided with, to be connected with diaphragm (11)
Rocker arm (9), the rocker arm connect vertical shaft (22), and the vertical shaft (22) is connected by link mechanism with centre wheel (5).
3. a kind of gas meter, flow meter according to claim 1, which is characterized in that the combustion gas distributor gear include valve seat (18) and
The valve deck that can be relatively moved with valve seat (18) is set on valve seat (18), is provided on the valve seat (18) and connects with measurement chamber
Logical blow vent.
4. a kind of gas meter, flow meter according to claim 1 or 2 or 3, which is characterized in that be provided with sliding slot, institute on the valve deck
The boss for being provided on turning wheel (19) and deviateing turning wheel center is stated, the boss is connected in the sliding slot.
5. a kind of gas meter, flow meter according to claim 4, which is characterized in that be provided with pilot hole, the machine on the valve deck
The guide rod (17) of fixed bracket connection is provided on core, the guide rod (17) passes through the guiding on valve deck
Hole.
6. a kind of gas meter, flow meter according to claim 5, which is characterized in that the pilot hole and sliding slot are arranged in a mutually vertical manner.
7. a kind of gas meter, flow meter according to claim 5, which is characterized in that the guide rod (17) passes through stainless steel material system
At.
8. a kind of gas meter, flow meter according to claim 1 or 2 or 3, which is characterized in that be provided with counting dress on the machine core
It sets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821911900.1U CN209485450U (en) | 2018-11-20 | 2018-11-20 | A kind of gas meter, flow meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821911900.1U CN209485450U (en) | 2018-11-20 | 2018-11-20 | A kind of gas meter, flow meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209485450U true CN209485450U (en) | 2019-10-11 |
Family
ID=68116213
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821911900.1U Active CN209485450U (en) | 2018-11-20 | 2018-11-20 | A kind of gas meter, flow meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209485450U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109341789A (en) * | 2018-11-20 | 2019-02-15 | 台州杜瑞仪表有限公司 | A kind of diaphragm gas meter |
-
2018
- 2018-11-20 CN CN201821911900.1U patent/CN209485450U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109341789A (en) * | 2018-11-20 | 2019-02-15 | 台州杜瑞仪表有限公司 | A kind of diaphragm gas meter |
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