CN208187480U - A kind of gas meter, flow meter valve seating - Google Patents
A kind of gas meter, flow meter valve seating Download PDFInfo
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- CN208187480U CN208187480U CN201820596058.0U CN201820596058U CN208187480U CN 208187480 U CN208187480 U CN 208187480U CN 201820596058 U CN201820596058 U CN 201820596058U CN 208187480 U CN208187480 U CN 208187480U
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- blow vent
- valve seat
- internal layer
- flow meter
- gas meter
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Abstract
The utility model discloses a kind of gas meter, flow meter valve seatings, including including internal layer ring-type blow vent and outer layer ring-type blow vent in the middle part of valve seat, the valve seat, it is connected between the internal layer ring-type blow vent and outer layer ring-type blow vent by support plate, it is equipped with support frame in the middle part of the internal layer ring-type blow vent, is connected with the valve cap for coating cyclic annular blow vent above the valve seat；Support frame as described above is made of three sections of supporting ribs, and one end of the supporting rib is connected on the wall surface of internal layer blow vent, and the head of the supporting rib towards internal layer blow vent center position one end is connected with each other；While guaranteeing that combustion gas is passed through with accurate flow, the pressure loss of combustion gas in valve seat can be reduced and reduce, to achieve the purpose that accurate measuring accuracy.
Description
Technical field
The utility model relates to gas meter, flow meter technical field, specially a kind of gas meter, flow meter valve seating.
Background technique
Diaphragm gas meter is gas meter at first, invention in 1815, it be by Britain engineer Samuel Lay lattice and
The common cooperating research of Sai Miaoer Cohan Lay brother comes out.By 1833, James Bo Gedasi invented dry type combustion
Gas meter, present diaphragm gas are exactly to constantly improve and grow up on this basis, are had already been through so far more than 170 years
Development course.Nowadays, the working principle of common diaphragm gas meter is limit-type, i.e., gas meter measuring room is moving back and forth one
During circulation, just change the direction of motion after limitation point is touched in extreme position, to guarantee the volume of gas meter, flow meter discharge
For a fixed body product value.It is not difficult to find that measuring accuracy depends on the manufacture of gas meter, flow meter inner body and assembly precision.Its
In, just become particularly important for controlling the on-off system of combustion gas in gas meter movement chamber.Valve seating in existing gas meter, flow meter
Not high to the control precision of combustion gas, the port in the middle part of traditional valve seating for fuel gas flow usually can all increase at least four branch
Muscle is supportted, by support frame that four supporting ribs form in order to the connection of machine core drive mechanism, with the increase of supporting rib, port can
Just opposite reduction, the pressure loss of opposite combustion gas just become larger area for fuel gas flow, by combustion gas control machine core transmission dress
The precision for setting control gauge table metering gas volume is just inaccurate.
Utility model content
The purpose of this utility model is to provide for a kind of gas meter, flow meter valve seating, guarantees what combustion gas was passed through with accurate flow
Meanwhile, it is capable to the pressure loss of combustion gas in valve seat be reduced and reduce, to achieve the purpose that accurate measuring accuracy.
In order to achieve the above-mentioned object of the invention, the utility model uses a kind of following technical scheme: gas meter, flow meter valve seating, packet
It includes valve seat, in the middle part of the valve seat include internal layer ring-type blow vent and outer layer ring-type blow vent, the internal layer ring-type blow vent and outer
It is connected between the cyclic annular blow vent of layer by support plate, support frame, the valve seat top is equipped in the middle part of the internal layer ring-type blow vent
It is connected with the valve cap for coating cyclic annular blow vent；Support frame as described above is made of three sections of supporting ribs, and one end of the supporting rib connects
It connects on the wall surface of internal layer blow vent, the head of the supporting rib towards internal layer blow vent center position one end is connected with each other.
Preferably, internal layer blow vent is divided into three sections by the supporting rib；It is originally complete logical due to the setting of supporting rib
Port is divided into three sections, three sections of blow vents in the case where not influencing fuel gas flow, can satisfy fuel gas flow amount and
Pressure when fuel gas flow.
Preferably, three sections of supporting ribs joint face interconnected is equipped with centering column, offered in the centering column
Through-hole；Through-hole in centering column is for installing connecting shaft, connecting shaft connecting valve seat and valve cap, so that machine core transmission device band be made to take offence
When door closure rotates, valve cap can be around connecting shaft center rotating, and the rotation of valve cap is to realize the on-off of blow vent.
Preferably, the centering column is structure as a whole with supporting rib；Integrally manufactured structural strength is higher, can prevent group
Assembling structure bring bursts apart, loose phenomenon.
Preferably, the valve seat back side, and be equipped in internal layer ring-type blow vent side and connect with internal layer ring-type blow vent
Logical inlet channel；Inlet channel is the internal layer ring-type blow vent of the admission line and valve seat in order to be connected to gas meter, flow meter, realizes combustion
The circulation of gas.
Preferably, the caulking groove for connecting with machine core chamber is offered on the outer surface of the valve seat, the caulking groove
Shape be adapted with the contoured surface on machine core chamber；Caulking groove can increase valve seat and be mounted on the indoor stable connection of machine core chamber
Property, it has limited valve seat and has been shaken in machine core chamber.
Preferably, the valve seat back side, and seal groove, the sealing are offered on the physical profiles face of valve seat
Slot is integrally formed；The gluing being equipped with for being fixedly connected on valve seat on machine core chamber solid face is filled out in the seal groove；Pass through
The back side of valve seat is firmly sticked on the surface of machine core chamber by gluing, in this way, the stability of the assembly of valve seat is good, energy
The volume of enough preferably control combustion gas, to guarantee accurate measuring accuracy, and gluing can also play the role of sealing.
Compared with prior art, it using a kind of gas meter, flow meter valve seating of above-mentioned technical proposal, has the following beneficial effects:
The port area occupied that traditional four muscle composition is able to solve by the port that three supporting ribs form is big, combustion gas
The big problem of the pressure loss caused by when flowing in blow vent is stablized by port caused by three supporting ribs in structural strength
On the basis of, it can guarantee that the gaseous-pressure of flowing is uniform, the pressure loss is few after flowing through blow vent, improves the meter of measurement chamber
Accuracy of measurement.
Detailed description of the invention
Fig. 1 is the positive structural schematic diagram of valve seating in the present embodiment；
Fig. 2 is the structural schematic diagram at the valve seating back side in the present embodiment；
Fig. 3 is the schematic perspective view of valve seating in the present embodiment.
Appended drawing reference: 1, valve seat；10, internal layer ring-type blow vent；11, outer layer ring-type blow vent；2, support plate；3, it supports
Muscle；4, centering column；40, through-hole；5, inlet channel；6, caulking groove；7, seal groove.
Specific embodiment
The utility model is described further with reference to the accompanying drawing.
A kind of gas meter, flow meter valve seating as shown in Figures 1 to 3, including include internal layer ring-type blow vent in the middle part of valve seat 1, valve seat 1
It is connected between 10 and outer layer ring-type blow vent 11, internal layer ring-type blow vent 10 and outer layer ring-type blow vent 11 by support plate 2, is interior
Be equipped in the middle part of the cyclic annular blow vent 10 of layer support frame, be connected with above valve seat 1 valve cap for coating cyclic annular blow vent, support frame by
Three sections of supporting ribs 3 composition, supporting rib 3 one end be connected on the wall surface of internal layer blow vent, supporting rib 3 is towards in internal layer blow vent
The head of heart direction one end is connected with each other, the joint face interconnected of supporting rib 3 is equipped with centering column 4, it is logical to offer in centering column 4
Hole 40, the inlet channel 5 being connected to internal layer ring-type blow vent 11, valve seat 1 outer surface on offer for machine core chamber
The caulking groove 6 of connection offers seal groove 7 on the physical profiles face of valve seat 1.
As depicted in figs. 1 and 2, combustion gas is flowed by the inlet channel 5 at the valve seating back side, and inlet channel 5 is and internal layer ring-type
What blow vent 10 was connected to, combustion gas flows into inner layer ring shape blow vent 10, and three sections of supporting ribs 3 are arranged in internal layer ring-type blow vent 10
It is interior, compared to traditional, at least four supporting ribs 3, the occupied ventilation of three sections of supporting ribs 3 are set in internal layer ring-type blow vent 10
The area of mouth reduces, because the combustion gas in gas meter, flow meter generates pressure in flowing, when combustion gas flows through blow vent, combustion gas flows through ventilation
The flow of mouth is big, and the resistance for being supported muscle 3 becomes smaller, in this way, the pressure being subject to is damaged when combustion gas flows through inner layer ring shape blow vent 10
Mistake is just small, and combustion gas can be entered in gas meter, flow meter side chamber in correct time with accurate volume, with the promotion of enough pressure
Epithelium movement, the range of movement is reached with enough bulking values promotion epithelium, and epithelium drives the indoor machine core of machine core chamber to pass
Dynamic device movement, and machine core transmission device connects the indoor gauge table of measurement chamber, to make the body of a gauge table combustion gas of metering
Product can reach standard.
Internal layer blow vent is divided into three sections by supporting rib 3.Due to the setting of supporting rib 3, complete blow vent is divided into originally
Three sections, three sections of blow vents are not in the case where influencing fuel gas flow, when can satisfy the amount and fuel gas flow of fuel gas flow
Pressure.
Three sections of joint faces interconnected of supporting rib 3 are equipped with centering column 4, offer through-hole 40 in the centering column 4, feel relieved
Through-hole 40 in column 4 is for installing connecting shaft, connecting shaft connecting valve seat 1 and valve cap, so that machine core transmission device be made to drive valve cap
When rotation, valve cap can be around connecting shaft center rotating, and the rotation of valve cap is to realize the on-off of blow vent.
Centering column 4 is structure as a whole with supporting rib 3, and integrally manufactured structural strength is higher, can prevent package assembly from bringing
Burst apart, loose phenomenon.
As shown in Fig. 2, 1 back side of valve seat, and be equipped with and internal layer ring-type blow vent 10 in 10 side of internal layer ring-type blow vent
The inlet channel 5 of connection, inlet channel 5 are the internal layer ring-type blow vents 10 in order to be connected to the admission line of gas meter, flow meter Yu valve seat 1,
Realize the circulation of combustion gas.
The caulking groove 6 for connecting with machine core chamber, the shape and machine of the caulking groove 6 are offered on the outer surface of valve seat 1
Contoured surface on core cavity room is adapted, and caulking groove 6 can increase valve seat 1 and be mounted on the indoor connective stability of machine core chamber, is limited
Valve seat 1 shakes in machine core chamber.
1 back side of valve seat, and seal groove 7 is offered on the physical profiles face of valve seat 1, seal groove 7 is integrally formed, close
It is filled out in sealing groove 7 and is equipped with gluing for being fixedly connected on valve seat 1 on machine core chamber solid face, by gluing by the back of valve seat 1
Face is firmly sticked on the surface of machine core chamber, in this way, the stability of the assembly of valve seat 1 is good, it will be able to preferably control
The volume of combustion gas, to guarantee accurate measuring accuracy, and gluing can also play the role of sealing.
The above makes preferred embodiments of the present invention, does not depart from for those of ordinary skill in the art
Under the premise of the utility model principle, several variations and modifications can also be made, these also should be regarded as the protection of the utility model
Range.
Claims (8)
1. including internal layer ring-type blow vent (10) and outside in the middle part of a kind of gas meter, flow meter valve seating, including valve seat (1), the valve seat (1)
The cyclic annular blow vent (11) of layer, passes through support plate (2) between the internal layer ring-type blow vent (10) and outer layer ring-type blow vent (11)
Connection, internal layer ring-type blow vent (10) middle part are equipped with support frame, are connected with above the valve seat (1) by cyclic annular blow vent packet
The valve cap covered；It is characterized by: support frame as described above is made of three sections of supporting ribs (3), one end of the supporting rib (3) is connected to
On the wall surface of internal layer blow vent, the head of the supporting rib (3) towards internal layer blow vent center position one end is connected with each other.
2. a kind of gas meter, flow meter valve seating according to claim 1, it is characterised in that: the supporting rib (3) ventilates internal layer
Mouth is divided into three sections.
3. a kind of gas meter, flow meter valve seating according to claim 1, it is characterised in that: three sections of supporting ribs (3) mutually interconnect
The joint face connect is equipped with centering column (4), offers through-hole (40) in the centering column (4).
4. a kind of gas meter, flow meter valve seating according to claim 3, it is characterised in that: the centering column (4) and supporting rib (3)
It is structure as a whole.
5. a kind of gas meter, flow meter valve seating according to claim 1, it is characterised in that: valve seat (1) back side, and inside
Cyclic annular blow vent (10) side of layer is equipped with the inlet channel (5) being connected to internal layer ring-type blow vent (10).
6. a kind of gas meter, flow meter valve seating according to claim 1, it is characterised in that: on the outer surface of the valve seat (1)
The caulking groove (6) for connecting with machine core chamber is offered, shape and the contoured surface on machine core chamber of the caulking groove (6) are mutually fitted
Match.
7. a kind of gas meter, flow meter valve seating according to claim 1, it is characterised in that: valve seat (1) back side, and along
It is offered on the physical profiles face of valve seat (1) seal groove (7), the seal groove (7) is integrally formed.
8. according to a kind of gas meter, flow meter valve seating as claimed in claim 7, it is characterised in that: fill out in the seal groove (7) to be equipped with and be used for
Valve seat (1) is fixedly connected on the gluing on machine core chamber solid face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820596058.0U CN208187480U (en) | 2018-04-24 | 2018-04-24 | A kind of gas meter, flow meter valve seating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820596058.0U CN208187480U (en) | 2018-04-24 | 2018-04-24 | A kind of gas meter, flow meter valve seating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208187480U true CN208187480U (en) | 2018-12-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820596058.0U Active CN208187480U (en) | 2018-04-24 | 2018-04-24 | A kind of gas meter, flow meter valve seating |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110440864A (en) * | 2019-08-21 | 2019-11-12 | 汪志明 | A kind of gas meter, flow meter with rotatory sealing function |
-
2018
- 2018-04-24 CN CN201820596058.0U patent/CN208187480U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110440864A (en) * | 2019-08-21 | 2019-11-12 | 汪志明 | A kind of gas meter, flow meter with rotatory sealing function |
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