CN218625628U - Electric control built-in valve for gas meter - Google Patents
Electric control built-in valve for gas meter Download PDFInfo
- Publication number
- CN218625628U CN218625628U CN202222662031.6U CN202222662031U CN218625628U CN 218625628 U CN218625628 U CN 218625628U CN 202222662031 U CN202222662031 U CN 202222662031U CN 218625628 U CN218625628 U CN 218625628U
- Authority
- CN
- China
- Prior art keywords
- valve
- built
- valve body
- screw
- sealing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The utility model discloses an electric control built-in valve for a gas meter, which comprises a built-in valve body, a driving motor, a sealing valve head and a screw pair, wherein the built-in valve body is provided with an air inlet interface and an air outlet interface, and the built-in valve body is internally provided with an air hole; the driving motor is fixed on the valve body of the built-in valve and drives the sealing valve head through the screw pair to realize reciprocating motion of abutting against the sealing valve head to close to the sealing hole and keeping away from the opening gas hole; the method is characterized in that: the thread pair comprises a driving screw, a transmission gear and a screw for opening and closing; the motor installation seat is fixedly installed outside the valve body of the built-in valve in a sealing mode. The utility model discloses the advantage that the electrically controlled built-in valve for gas table had is: the safety is higher, and the self-locking performance of the opening and closing screw is good, so that misoperation can be avoided.
Description
Technical Field
The utility model belongs to the gas table field, concretely relates to electric control built-in valve for gas table.
Background
An electric control built-in valve for a gas meter is a device which is used for being installed inside the gas meter and is used for cutting off gas.
The structure of an electric control built-in valve for the existing gas meter is basically shown in the patents with the application numbers of 201821262975.1, 201821449334.7 and 202121687727.3. The built-in motor valve of current gas table has the structural feature jointly: the whole driving motor is positioned in fuel gas (a fuel gas flow channel or a fuel gas environment); however, it is known that the drive motor utilizes the electromagnetic principle to effect rotation. Therefore, once the electric leakage, the electric arc or the electric spark occurs to the driving motor, serious gas accidents are caused, and potential safety hazards exist.
Based on this, the applicant considered to design an electrically controlled internal valve for a gas meter with higher safety.
Disclosure of Invention
To the not enough of above-mentioned prior art, the utility model aims to solve the technical problem that: provided is an electrically controlled built-in valve for a gas meter, which has higher safety.
In order to solve the technical problem, the utility model adopts the following technical scheme:
the electrically-controlled built-in valve for the gas meter comprises a built-in valve body, a driving motor, a sealing valve head and a spiral pair, wherein the built-in valve body is provided with a gas inlet interface and a gas outlet interface;
the driving motor is fixed on the valve body of the built-in valve and drives the sealing valve head through the screw pair to realize reciprocating motion of abutting against, closing to a plug and far away from and opening the air passing hole;
the method is characterized in that:
the screw pair comprises a driving screw, a transmission gear and a screw for opening and closing;
the valve body of the built-in valve is provided with a built-in valve body, the built-in valve body is provided with a transmission gear, the transmission gear is arranged in the built-in valve body, the built-in valve body is provided with a built-in valve body, the built-in valve body is provided with a built-in valve head, the built-in valve head is provided with a built-in valve head, and the built-in valve head is provided with a sealing valve head;
the driving screw is coaxially fixed on an output shaft of the driving motor, the driving motor is fixed on the motor mounting seat in a sealing mode through a connecting piece, an inserting cavity for the driving screw to insert is formed in the motor mounting seat, and the driving screw is meshed with the transmission gear.
Compare with prior art, this technical scheme is electronic control built-in valve for gas table has the advantage:
1. higher safety
The driving motor realizes the assembly outside the built-in valve body through the motor mounting seat fixed outside the built-in valve body, so that the driving motor can be hermetically isolated from the fuel gas circulating inside the built-in valve body, the safe separation of electricity (machine) and fuel gas is realized, and the safety is higher.
2. The screw rod for opening and closing has good self-locking performance and can avoid misoperation
Because the opening and closing screw rod is in threaded fit connection with the transmission gear, the threaded fit connection can ensure that the opening and closing screw rod can be reliably self-locked through the threaded fit connection when the transmission gear does not rotate, and misoperation is avoided.
Drawings
FIG. 1 is the structure schematic diagram of the electric control built-in valve for the gas meter
FIG. 2 is an explosion diagram of the electric control built-in valve for the gas meter
FIG. 3 is the structure schematic diagram of the driving motor part in the electric control built-in valve for gas meter of the utility model
FIG. 4 is the utility model discloses the structure schematic diagram of motor mount pad in the electric control built-in valve for gas table
FIG. 5 is the structure schematic diagram of the valve body of the built-in valve in the electric control built-in valve for the gas meter
Figure 6 is the utility model discloses gas table is with built-in valve body's in automatically controlled built-in valve top view
FIG. 7 is a sectional view taken along line H-H in FIG. 6
Labeled as:
the gas table is with the built-in valve of electronic control:
h1 built-in valve body: h101 air inlet interface, H102 air outlet interface, H103 air passing hole, H104 mounting slot hole, H105 reinforcing part and H106 lower end cover
H2 driving motor
H3 seal valve head: h301 guide pillar
H4 drives the screw: h401 round hole
H5 transmission gear
H6 screw for opening and closing
H7 motor mounting seat: h701 assembly inserting cylinder, H702 annular sealing groove, H703 connecting lug, H704 annular groove, H705 guide cylinder and H706 guide convex column
Detailed description of the preferred embodiments
The present invention will be described in further detail with reference to the accompanying drawings.
Fig. 1 to 7 show a preferred embodiment of an electrically controlled internal valve for a gas meter, specifically:
the electric control built-in valve for the gas meter comprises a built-in valve body, a driving motor, a sealing valve head and a spiral pair, wherein the built-in valve body is provided with a gas inlet interface and a gas outlet interface;
the driving motor is fixed on the valve body of the built-in valve and drives the sealing valve head through the screw pair to realize reciprocating motion of abutting against, closing to a plug and far away from and opening the air passing hole;
the screw pair comprises a driving screw, a transmission gear and a screw for opening and closing;
the valve body of the built-in valve is characterized by further comprising a motor mounting seat which is fixedly mounted outside the built-in valve body in a sealing mode, an assembly inserting cylinder which can enable the opening and closing screw to slide in a reciprocating mode is arranged on the motor mounting seat, the upper end of the assembly inserting cylinder is a closed end, the lower end of the assembly inserting cylinder is communicated with the interior of the built-in valve body, the opening and closing screw is inserted into the assembly inserting cylinder, the upper section of the opening and closing screw is connected with the inner thread of the transmission gear in a sleeved mode through an outer thread, and the lower end of the opening and closing screw is fixedly connected with the sealing valve head;
the driving screw is coaxially fixed on an output shaft of the driving motor, the driving motor is fixed on the motor mounting seat in a sealing mode through a connecting piece, an inserting cavity for the driving screw to insert is formed in the motor mounting seat, and the driving screw is meshed with the transmission gear.
The electrically-controlled built-in valve for the gas meter has the advantages that:
1. the safety is higher
The driving motor realizes the assembly outside the built-in valve body through the motor mounting seat fixed outside the built-in valve body, so that the driving motor can be hermetically isolated from the fuel gas circulating inside the built-in valve body, the safe separation of electricity (machine) and fuel gas is realized, and the safety is higher.
2. The screw rod for opening and closing has good self-locking performance and can avoid misoperation
Because the opening and closing screw rod is in threaded fit connection with the transmission gear, the threaded fit connection can ensure that the opening and closing screw rod can be reliably self-locked through the threaded fit connection when the transmission gear does not rotate, and misoperation is avoided.
When the sealing device is implemented, an annular sealing groove is formed in the annular surface, butted with the driving motor, of the motor mounting seat, an O-shaped sealing ring is filled in the annular sealing groove, and the O-shaped sealing ring is used for realizing the sealing connection between the contact surface of the driving motor and the motor mounting seat.
The air inlet interface on the valve body of the built-in valve is provided with a straight air inlet connecting pipe, and the air outlet interface on the valve body of the built-in valve is provided with a straight air outlet connecting pipe; the axial leads of the air inlet connecting pipe and the air outlet connecting pipe are parallel and staggered in the horizontal direction;
and a partition is arranged in the middle of the junction of the air inlet connecting pipe and the air outlet connecting pipe in the height direction, a horizontal partition plate is arranged on the partition, and the air passing hole is arranged in the middle of the horizontal partition plate in a penetrating manner.
After the structural design is adopted, the calibers of the air inlet interface, the air outlet interface and the air passing hole are larger, the through connection can be basically formed, and the pressure loss is reduced.
Wherein, the inner diameter of the air outlet connecting pipe is larger than that of the air inlet connecting pipe.
Therefore, the physical distinction between the air inlet interface and the air outlet interface can be realized, and wrong connection and wrong installation can be better avoided.
The air outlet section of the built-in valve body is provided with an installation groove hole with projection coinciding with the edge of the horizontal partition plate;
the lower sections of the sealing valve head and the opening and closing screw rod are positioned in the mounting groove hole;
the peripheral surface of the notch of the mounting groove hole forms a sealing connection surface which is in fit with the motor mounting seat, and the motor mounting seat is fixedly assembled on the built-in valve body through a connection support lug and a screw.
After the built-in valve body with the installation groove hole is adopted, the manufacturing materials can be saved, the dead weight is reduced, the sealing valve head and the opening and closing screw rod can be more conveniently and rapidly installed, more convenient assembly is realized, and the assembly efficiency is improved.
The motor mounting seat is provided with a mounting groove hole, wherein an annular groove is formed in an annular surface, which is in contact with the periphery of the notch of the mounting groove hole, and an O-shaped sealing ring is filled in the annular groove to realize sealing connection.
Therefore, the effective sealing between the contact surface of the motor mounting seat and the valve body of the built-in valve can be realized through the annular groove and the O-shaped sealing ring of the annular groove.
Guide posts are convexly arranged on the upper surface of the sealing valve head, which is positioned on the periphery of the opening and closing screw rod, and guide cylinders, which can be used for the guide posts to be inserted in a sliding manner, are arranged on the lower surface of the motor mounting seat.
After the guide post on the sealing valve head is assembled with the guide cylinder on the motor mounting seat, the sealing valve head can be prevented from rotating under the drive of the thread of the transmission gear and can realize the lifting action along the axial direction; and the accurate displacement along the axial direction of the screw for opening and closing can be realized through the sliding fit between the guide post and the guide cylinder, so that the reliability of opening and closing of the air passing hole is ensured.
The valve body of the built-in valve is of a rectangular structure as a whole.
Therefore, the structure of the built-in valve body is more simplified and the built-in valve body is easy to manufacture.
The four parallel vertical edges of the rectangular structure of the built-in valve body are convexly provided with reinforced parts, and the lower end surface of each reinforced part is provided with a threaded connecting hole for sealing, connecting and fixing the lower end cover.
The reinforcing part can not only enhance the structural strength of the valve body of the valve, but also improve the compression resistance and the anti-explosion performance; the lower end cover is connected with the lower end cover in a sealing mode through the threaded connecting hole formed in the bottom of the reinforcing portion, so that an air inlet channel can be formed inside the lower end cover and the air inlet section of the built-in valve, the processing difficulty of the air inlet channel inside the built-in valve is reduced, and the processing cost is reduced.
The end face, deviating from the driving motor, of the driving screw is provided with a coaxial circular hole, and the bottom of the insertion cavity, inserted by the driving screw, in the motor mounting seat is opposite to the position of the circular hole, and a guide convex column which is inserted into the circular hole in a sliding mode is arranged at the position of the circular hole.
Therefore, the driving screw and the transmission gear can be ensured to have lasting and reliable meshing connection and torque output through the sliding contact between the guide convex column and the circular hole on the driving screw, and the lasting driving reliability of the opening and closing screw is better ensured.
The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various changes and modifications can be made without departing from the technical scope of the present invention, and the technical scope of the present invention is also considered to fall into the scope of the claims.
Claims (9)
1. The electrically-controlled built-in valve for the gas meter comprises a built-in valve body, a driving motor, a sealing valve head and a spiral pair, wherein the built-in valve body is provided with a gas inlet interface and a gas outlet interface;
the driving motor is fixed on the valve body of the built-in valve and drives the sealing valve head through the screw pair to realize reciprocating motion of abutting against, closing to and far from opening the air passing hole;
the method is characterized in that:
the screw pair comprises a driving screw, a transmission gear and a screw for opening and closing;
the valve body of the built-in valve is characterized by further comprising a motor mounting seat which is fixedly mounted outside the built-in valve body in a sealing mode, an assembly inserting cylinder which can enable the opening and closing screw to slide in a reciprocating mode is arranged on the motor mounting seat, the upper end of the assembly inserting cylinder is a closed end, the lower end of the assembly inserting cylinder is communicated with the interior of the built-in valve body, the opening and closing screw is inserted into the assembly inserting cylinder, the upper section of the opening and closing screw is connected with the inner thread of the transmission gear in a sleeved mode through an outer thread, and the lower end of the opening and closing screw is fixedly connected with the sealing valve head;
the driving screw is coaxially fixed on an output shaft of the driving motor, the driving motor is fixed on the motor mounting seat in a sealing mode through a connecting piece, an inserting cavity for the driving screw to insert is formed in the motor mounting seat, and the driving screw is meshed with the transmission gear.
2. The electric control built-in valve for the gas meter according to claim 1, characterized in that: a straight air inlet connecting pipe is arranged at an air inlet interface on the valve body of the internal valve, and a straight air outlet connecting pipe is arranged at an air outlet interface on the valve body of the internal valve; the axial leads of the air inlet connecting pipe and the air outlet connecting pipe are parallel and staggered in the horizontal direction;
the air inlet connecting pipe and the air outlet connecting pipe are connected through a connecting pipe, a partition is arranged in the middle of the height direction of the intersection of the air inlet connecting pipe and the air outlet connecting pipe, a horizontal partition plate is arranged on the partition, and the air passing hole is formed in the middle of the horizontal partition plate in a penetrating mode.
3. The electrically controlled built-in valve for a gas meter according to claim 2, characterized in that: the inner diameter of the air outlet connecting pipe is larger than that of the air inlet connecting pipe.
4. The electrically controlled built-in valve for a gas meter according to claim 2, characterized in that: the air outlet section of the valve body of the built-in valve is provided with an installation slot with the projection coinciding with the edge of the horizontal clapboard;
the lower sections of the sealing valve head and the opening and closing screw rod are positioned in the mounting groove hole;
the peripheral surface of the notch of the mounting groove hole forms a sealing connection surface which is in fit with the motor mounting seat, and the motor mounting seat is fixedly assembled on the built-in valve body through a connection support lug and a screw.
5. The electric control built-in valve for the gas meter according to claim 4, characterized in that: and an annular groove is formed in the annular surface of the motor mounting seat, which is in contact with the periphery of the notch of the mounting groove hole, and an O-shaped sealing ring is filled in the annular groove to realize sealing connection.
6. The electric control built-in valve for the gas meter according to claim 1, characterized in that: guide posts are convexly arranged on the upper surface of the sealing valve head, which is positioned on the periphery of the opening and closing screw rod, and guide cylinders for the guide posts to be inserted in a sliding manner are arranged on the lower surface of the motor mounting seat.
7. The electric control built-in valve for the gas meter according to claim 1, characterized in that: the whole built-in valve body is of a rectangular structure.
8. The electric control built-in valve for the gas meter according to claim 7, characterized in that: four parallel vertical edges of the rectangular structure of the built-in valve body are convexly provided with reinforced parts, and the lower end face of each reinforced part is provided with a threaded connecting hole for sealing, connecting and fixing the lower end cover.
9. The electric control built-in valve for the gas meter according to claim 1, characterized in that: the end face, deviating from the driving motor, of the driving screw is provided with a coaxial round hole, and the bottom of the inserting cavity, inserted by the driving screw, in the motor mounting seat is opposite to the position of the round hole, and a guide convex column is arranged at the position, inserted by the round hole in a sliding manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222662031.6U CN218625628U (en) | 2022-10-10 | 2022-10-10 | Electric control built-in valve for gas meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222662031.6U CN218625628U (en) | 2022-10-10 | 2022-10-10 | Electric control built-in valve for gas meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218625628U true CN218625628U (en) | 2023-03-14 |
Family
ID=85469208
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222662031.6U Active CN218625628U (en) | 2022-10-10 | 2022-10-10 | Electric control built-in valve for gas meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218625628U (en) |
-
2022
- 2022-10-10 CN CN202222662031.6U patent/CN218625628U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101551019B (en) | Built-in motor valve mounted in commercial combustion gas meter | |
| WO2020134613A1 (en) | Ball valve | |
| CN106286015B (en) | Dual-fuel carburetor | |
| CN106286936B (en) | Electric expansion valve | |
| CN218625628U (en) | Electric control built-in valve for gas meter | |
| CN212429779U (en) | Stop valve with long service life | |
| CN110017223A (en) | A kind of efficient and energy-saving IC engine gas mixer | |
| CN208354604U (en) | A kind of electronic cigarette atomizing core and atomizer | |
| CN201461977U (en) | Gas meter electronic internal valve | |
| CN208316474U (en) | A kind of flame-proof type three-phase motor | |
| CN207229809U (en) | Cylindrical valve core type gate valve with alloy seal structure | |
| CN208619683U (en) | Gas outlet screw-down valve built in a kind of gas meter, flow meter | |
| CN203036051U (en) | Full sealed electronic control gas valve | |
| CN201437847U (en) | Built-in motor valve arranged at inner part of commercial gas meter | |
| CN208153819U (en) | A kind of electric four-way valve | |
| CN110805731A (en) | Wide-flow safety type intelligent gas meter motor valve | |
| CN217653331U (en) | Gas fluid valve of miniature hollow cup motor | |
| CN2295092Y (en) | Water-pressure linkage gas electromagnetic valve | |
| CN110953391A (en) | Motor fixing structure and electric valve comprising same | |
| CN210318734U (en) | Double-power-driven control gas valve | |
| CN213982204U (en) | Low-pressure-loss gas meter built-in motor valve | |
| CN215445075U (en) | Flow control valve | |
| CN217422354U (en) | Electronic expansion valve | |
| CN219159674U (en) | Pneumatic stop valve | |
| CN215410262U (en) | Large stop valve capable of being electrically opened |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |