CN210716200U - Motor valve for gas meter - Google Patents
Motor valve for gas meter Download PDFInfo
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- CN210716200U CN210716200U CN201921599053.4U CN201921599053U CN210716200U CN 210716200 U CN210716200 U CN 210716200U CN 201921599053 U CN201921599053 U CN 201921599053U CN 210716200 U CN210716200 U CN 210716200U
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- valve
- valve seal
- motor
- gas meter
- circuit board
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Abstract
The utility model discloses a gas table motor valve for table, including the chamber shell, locate driving motor, drive assembly and valve seal subassembly in the chamber shell, be equipped with the circuit board in the chamber shell, be equipped with temperature sensor and connect the electrical terminal on the circuit board, temperature sensor with connect the electrical terminal for the chamber shell exposes, temperature sensor is used for detecting the temperature in the gas table, connect the electrical terminal can give respectively the circuit board with driving motor supplies power. The utility model discloses the circuit board that will be used for detecting gas table temperature is integrated to the chamber shell of motor valve in to utilize self of chamber shell sealed, realize sealed to the assembly of circuit board, and save between circuit board and the motor valve in order to realize signal transmission and welded connection line, and then play the assembly of this motor valve of being convenient for on gas table, make this motor valve assemble in gas table, have reduction in production cost and installation cost's effect.
Description
Technical Field
The utility model belongs to the technical field of the motor valve is relevant, especially, relate to a motor valve for gas table.
Background
The motor valve for the gas meter is applied to the gas meter to control the opening and closing of the gas meter. Specifically, when the motor valve works, the motor drives the speed reducing mechanism to operate, and then drives the valve seal for linearly sealing the air outlet, so that the motor valve is closed. The gas meter is generally provided with a temperature and pressure compensation circuit board for detecting the gas temperature in the gas meter and feeding back the measured temperature information to a control system in the gas meter, and the gas meter converts the temperature information into corresponding actual gas pressure to reasonably meter the gas flow.
At present, a motor valve applied to a gas meter and a temperature and pressure compensation circuit board for detecting the temperature in the gas meter are independently arranged and are separately installed in the gas meter, so that the gas control of the gas meter is realized; however, the temperature and pressure compensation circuit board is independently installed on the gas meter, and besides the temperature and pressure compensation circuit board is required to be welded with a connecting wire for transmitting signals with the motor valve, the temperature and pressure compensation circuit board is required to be glued and sealed to prevent corrosion of components on the temperature and pressure compensation circuit board, so that the temperature and pressure compensation circuit board is complicated to install on the gas meter, and the production and assembly costs of the temperature and pressure compensation circuit board used on the gas meter are increased.
SUMMERY OF THE UTILITY MODEL
In view of the above, it is necessary to provide a motor valve for a gas meter, which solves the technical problems in the prior art.
The gas meter motor valve comprises a cavity shell, and a driving motor, a transmission assembly and a valve seal assembly which are arranged in the cavity shell, wherein a gas channel for gas to pass through is formed in the cavity shell, and the driving motor can drive the valve seal assembly through the transmission assembly to selectively open and close the gas channel; the gas meter is characterized in that a circuit board is arranged in the cavity shell, a temperature sensor and an electric connection terminal are arranged on the circuit board, the temperature sensor and the electric connection terminal are exposed relative to the cavity shell, the temperature sensor is used for detecting the temperature in the gas meter, and the electric connection terminal can respectively supply power to the circuit board and the driving motor.
As the utility model discloses an optimal scheme, the chamber shell is including assembling fixed valve body, protection pad and motor cover in proper order, wherein be equipped with the fixing base on the lid bottom position of motor cover, the circuit board passes through the fixing base sets up the inside of motor cover.
As the utility model discloses a preferred scheme, driving motor sets up in the motor cover, driving motor can with the fixing base with the circuit board is spacing in the inside of motor cover.
As the preferred scheme of the utility model, the chamber shell still includes the speed reduction frame, the speed reduction frame sets up on the protection pad, and use the motor cover carries out spacing fixed.
As the utility model discloses a preferred scheme, the speed reduction frame part stretch into extremely in the motor cover, just the speed reduction frame stretch into extremely part in the motor cover with driving motor connects fixedly with the mode of buckle.
As the preferred scheme of the utility model, the valve body with the protection pad, and the protection pad with all connect fixedly with the mode of buckle between the motor cover.
As a preferred scheme of the present invention, the valve seal assembly includes a valve seal support, a valve seal which is disposed on the valve seal support and can control the opening and closing of the gas channel, and a valve seal fixing ring; the valve seal fixing ring can limit and fix the valve seal on the valve seal bracket.
As the preferred scheme of the utility model, the valve seal bracket comprises a bracket main body, a baffle plate and a limit convex hook, wherein the baffle plate and the limit convex hook are arranged on the bracket main body; the valve seal is attached to the baffle plate, the limiting convex hook extends out of the valve seal partially, and the part of the limiting convex hook extending out of the valve seal can be matched with the valve seal fixing ring to limit and fix the valve seal on the baffle plate.
As the utility model discloses a preferred scheme, the valve seal subassembly still includes the bellows, the bellows cup joint in the valve seal support, wherein the one end of bellows is spacing on the valve seal support, the other end passes through the spacing fixing of bellows fixed cover and is in on the protection pad.
As the utility model discloses an optimal scheme, be equipped with spacing retaining ring on the valve seal support, the bellows passes through spacing retaining ring is spacing on the valve seal support.
Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage:
the utility model provides a motor valve for gas table will be used for detecting the integrated chamber shell to the motor valve of circuit board of gas table temperature in to utilize the self of chamber shell sealed, realize sealed to the assembly of circuit board, save between circuit board and the motor valve in order to realize signal transmission and welded connection line, and then play the assembly of this motor valve of being convenient for on gas table, make this motor valve assemble in gas table, have the effect of reduction in production cost and installation cost.
Drawings
Fig. 1 is a cross-sectional view of an electric valve for a gas meter provided in an embodiment of the present invention.
Fig. 2 is an exploded view of a motor valve for a gas meter according to an embodiment of the present invention.
Fig. 3 is an exploded view of the transmission assembly and the valve seal assembly of the motor valve for a gas meter in fig. 1.
Fig. 4 is a schematic structural view of a valve seal holder in the motor valve for the gas meter in fig. 1.
10, a cavity shell; 101. a gas channel; 11. a valve body; 111. a gas inlet; 112. a gas outlet; 12. a protection pad; 13. a motor cover; 131. a wiring terminal; 14. a deceleration rack; 20. a drive motor; 30. A transmission assembly; 31. a gear transmission structure; 311. an output gear; 32. a lead screw; 33. a drive nut; 40. A valve seal assembly; 41. a valve seal holder; 411. a stent body; 412. a baffle plate; 413. a limiting convex hook; 414. a limit retainer ring; 42. valve sealing; 43. a valve seal fixing ring; 44. a bellows; 441. a bellows fixing cover; 50. a circuit board; 51. a fixed seat.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
Referring to fig. 1 to 4, an electric valve for a gas meter according to an embodiment of the present invention includes a chamber housing 10, a driving motor 20, a transmission assembly 30, and a valve seal assembly 40 disposed in the chamber housing 10, and a circuit board 50 disposed in the chamber housing 10.
The cavity shell 10 is provided with a gas channel 101 for gas to pass through, and the driving motor 20 can drive the valve seal assembly 40 through the transmission assembly 30 to selectively open and close the gas channel 101, so that the motor valve is assembled in the gas meter to control the flow on-off of the gas in the gas meter.
In this embodiment, the cavity housing 10 includes a valve body 11, a protection pad 12 and a motor cover 13 which are assembled and fixed in sequence, and the valve body 11 and the protection pad 12, and the protection pad 12 and the motor cover 13 are connected and fixed in a snap-fit manner, so as to facilitate the assembly of the whole upper cavity housing 10 of the motor valve. The gas channel 101 is disposed on the valve body 11, specifically, a gas inlet 111 and a gas outlet 112 may be formed on the valve body 11, and the valve seal assembly 40 may selectively seal the gas outlet 112, so as to selectively open and close the gas channel 101. Wherein the driving motor 20 is disposed inside the motor cover 13.
The upper housing 10 of the motor valve of this embodiment further includes a reduction gear 14, where the reduction gear 14 is disposed on the protection pad 12 and is limited and fixed by the motor cover 13, so as to implement assembly of the reduction gear 14 between the protection pad 12 and the motor cover 13. It should be noted that the rotating shaft portion of the driving motor 20 partially extends outward relative to the reduction gear rack 14 to limit the body portion of the driving motor 20 in the motor cover 13.
The reduction frame 14 partially extends into the motor cover 13, and the part of the reduction frame 14 extending into the motor cover 13 is fixedly connected with the driving motor 20 in a buckling manner, so that the driving motor 20 is limited and fixed in the motor cover 13, and the driving motor 20 is conveniently connected and assembled with the reduction frame 14.
In this embodiment, a temperature sensor (not shown) and an electrical connection terminal 131 are disposed on the circuit board 50, and the temperature sensor and the electrical connection terminal 131 are exposed to the outside of the cavity housing 10, wherein the temperature sensor can detect the temperature in the gas meter equipped with the motor valve, and the electrical connection terminal 131 can respectively supply power to the circuit board 50 and the driving motor 20. It should be noted that the circuit board 50 can convert the temperature information in the gas meter measured by the temperature sensor into gas pressures corresponding to the respective temperatures, so that the actually measured gas flow of the gas in the gas meter is accurate at different temperatures. That is, the circuit board of the present embodiment is equivalent to a temperature and pressure compensation circuit board in the prior art, and the temperature and pressure compensation circuit board is integrated on the motor valve in the present embodiment.
A fixing seat 51 is arranged at the bottom of the motor cover 13, and the circuit board 50 is limited on the motor cover 13 through the fixing seat 51, so that the circuit board 50 is assembled and fixed in the motor cover 13. It should be noted that a through hole for exposing the temperature sensor and the electrical connection terminal 131 is formed in the bottom of the motor cover 13, and a sealing structure for assembling and sealing the temperature sensor and the electrical connection terminal 131 may be arranged on the hole wall of the through hole, or sealed in other manners, so as to realize the assembling and sealing between the temperature sensor and the electrical connection terminal 131 and the motor cover 13.
Further, the driving motor 20 of the present embodiment is assembled in the motor cover 13, and the driving motor 20 can limit the fixing base 51 and the circuit board 50 inside the motor cover 13.
The driving motor 20 of the present embodiment is limited at the motor cover 13 by the reduction frame 14, so that the circuit board 50 assembled at the motor cover 13 in the present embodiment is also limited by the driving motor 20, thereby improving the stability of the assembly of the circuit board 50 on the motor cover 13.
In the present embodiment, the valve seal assembly 40 includes a valve seal holder 41, a valve seal 42 provided on the valve seal holder 41 and capable of controlling opening and closing of the gas duct 101, and a valve seal fixing ring 43. The valve seal fixing ring 43 can limit and fix the valve seal 42 on the valve seal support 41, so that the valve seal assembly 40 specifically covers the gas outlet 112 of the valve body 11 with the valve seal 42, and blocks the gas outlet 112. The valve seal 42 is a rubber pad.
The valve seal support 41 comprises a support main body 411, a baffle 412 and a limiting convex hook 413, wherein the baffle 412 and the limiting convex hook 413 are arranged on the support main body 411; the valve seal 42 is attached to the baffle 412, wherein the portion of the limit convex hook 413 partially extends out of the valve seal 42, and the portion of the limit convex hook 413 extending out of the valve seal 42 can be matched with the valve seal fixing ring 43 to limit and fix the valve seal 42 on the baffle 412. It should be noted that the outer diameter of the baffle 412 is greater than or equal to the valve seal 42, and the limit hook 413 can extend outward from the central hole of the valve seal 42 and cooperate with the valve seal fixing ring 43.
The valve seal assembly of the present embodiment further includes a corrugated tube 44, the corrugated tube 44 is sleeved on the valve seal support 41, specifically on the support main body 411 of the valve seal support 41, wherein one end of the corrugated tube 44 is limited on the valve seal support 41, and the other end is limited and fixed on the protection pad 12 through a corrugated tube fixing cover 441, so that the gas introduced from the gas inlet 111 on the valve body 11 can only stay inside the valve body 11, and is led out from the gas outlet 112 on the valve body 11 according to the use requirement. That is, the bellows 44 of the present embodiment serves to block the entry of the gas to the position of the protection pad 12. The bellows fixing cover 441 is sleeved on the bellows 44 and fixed on the protection pad 12 in a snap manner.
Specifically, the valve seal support 41 of the present embodiment is provided with a limit stop ring 414, and the bellows 44 is limited on the valve seal support 41 by the limit stop ring 414, that is, in the present embodiment, the limit stop ring 414 is used to limit in a blocking manner that one end of the bellows 44 sleeved on the valve seal support 41 is separated from the valve seal support 41. The limit stop ring 414 may be a protrusion on the outer peripheral wall of the holder main body 411.
The transmission assembly 30 is connected to the rotating shaft of the driving motor 20 to input a power source to the transmission assembly 30, and the transmission assembly 30 is further connected to the valve seal assembly 40, specifically to the valve seal support 41 of the valve seal assembly 40, so as to drive the valve seal support 41 to reciprocate relative to the gas outlet 112 on the valve body 10.
Specifically, the transmission assembly 30 includes a gear transmission structure 31 connected with the rotation shaft portion of the driving motor 20, the output gear 311 of the gear transmission structure 31 is connected with a lead screw 32 in a circumferential limiting manner, the lead screw 32 is screwed with a driving nut 33, wherein, the driving nut 33 is provided with a convex column (not shown) for matching with the valve seal bracket 41, the valve seal bracket 41 is provided with a limit groove corresponding to the convex column, so that when the transmission assembly 30 of the present embodiment transmits power, the rotating shaft of the driving motor 20 rotates, the rotary drive of the screw 32 is realized under the variable speed drive of the gear transmission structure 31, because the screw rod 32 is in threaded connection with the driving nut 33, the driving nut 33 can move up and down along the screw rod 32, and drives the valve seal support 41 on the valve seal assembly 40 to reciprocate relative to the gas outlet 112 on the valve body 11.
To sum up, the utility model provides an electric valve for gas table will be used for detecting the integrated chamber shell to the electric valve of circuit board of gas table temperature in to utilize self of chamber shell sealed, realize sealed to the assembly of circuit board, and save between circuit board and the electric valve in order to realize signal transmission and welded connection line, and then play the assembly of this electric valve of being convenient for on gas table, make this electric valve assemble in gas table, have reduction in production cost and installation cost's effect.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. A motor valve for a gas meter comprises a cavity shell, and a driving motor, a transmission assembly and a valve seal assembly which are arranged in the cavity shell, wherein a gas channel for gas to pass through is formed in the cavity shell, and the driving motor can drive the valve seal assembly through the transmission assembly to selectively open and close the gas channel; the method is characterized in that: the gas meter is characterized in that a circuit board is arranged in the cavity shell, a temperature sensor and an electric connection terminal are arranged on the circuit board, the temperature sensor and the electric connection terminal are exposed relative to the cavity shell, the temperature sensor is used for detecting the temperature in the gas meter, and the electric connection terminal can respectively supply power to the circuit board and the driving motor.
2. The motor valve for a gas meter according to claim 1, characterized in that: the chamber shell comprises a valve body, a protection pad and a motor cover which are assembled and fixed in sequence, wherein a fixing seat is arranged at the bottom of the motor cover, and the circuit board is arranged in the motor cover.
3. The motor valve for a gas meter according to claim 2, characterized in that: the driving motor is arranged in the motor cover and can limit the fixed seat and the circuit board in the motor cover.
4. The motor valve for a gas meter according to claim 3, characterized in that: the cavity shell further comprises a speed reducing frame, wherein the speed reducing frame is arranged on the protective pad and is limited and fixed by the motor cover.
5. The motor valve for a gas meter according to claim 4, characterized in that: the speed reduction frame part extends into in the motor cover, just the speed reduction frame extends into to the part in the motor cover with driving motor connects fixedly with the mode of buckle.
6. The motor valve for a gas meter according to claim 2, characterized in that: the valve body with the protection pad, and the protection pad with all connect fixedly with the mode of buckle between the motor cover.
7. The motor valve for a gas meter according to claim 2, characterized in that: the valve seal assembly comprises a valve seal support, a valve seal and a valve seal fixing ring, wherein the valve seal support is arranged on the valve seal support and can control the opening and closing of the gas channel; the valve seal fixing ring can limit and fix the valve seal on the valve seal bracket.
8. The motor valve for a gas meter according to claim 7, characterized in that: the valve seal support comprises a support main body, a baffle and a limiting convex hook, wherein the baffle and the limiting convex hook are arranged on the support main body; the valve seal is attached to the baffle plate, the limiting convex hook extends out of the valve seal partially, and the part of the limiting convex hook extending out of the valve seal can be matched with the valve seal fixing ring to limit and fix the valve seal on the baffle plate.
9. The motor valve for a gas meter according to claim 7, characterized in that: the valve seal assembly further comprises a corrugated pipe, the corrugated pipe is sleeved on the valve seal support, one end of the corrugated pipe is limited on the valve seal support, and the other end of the corrugated pipe is limited and fixed on the protection pad through a corrugated pipe fixing cover.
10. The motor valve for a gas meter according to claim 9, characterized in that: and the valve seal support is provided with a limiting check ring, and the corrugated pipe is limited on the valve seal support through the limiting check ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921599053.4U CN210716200U (en) | 2019-09-24 | 2019-09-24 | Motor valve for gas meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921599053.4U CN210716200U (en) | 2019-09-24 | 2019-09-24 | Motor valve for gas meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210716200U true CN210716200U (en) | 2020-06-09 |
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ID=70930436
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921599053.4U Active CN210716200U (en) | 2019-09-24 | 2019-09-24 | Motor valve for gas meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210716200U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112728194A (en) * | 2020-12-31 | 2021-04-30 | 浙江威星智能仪表股份有限公司 | Novel multi-functional gas table valve |
| CN113803479A (en) * | 2021-09-30 | 2021-12-17 | 芜湖泰和管业股份有限公司 | Simple motor valve for gas pipeline |
-
2019
- 2019-09-24 CN CN201921599053.4U patent/CN210716200U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112728194A (en) * | 2020-12-31 | 2021-04-30 | 浙江威星智能仪表股份有限公司 | Novel multi-functional gas table valve |
| CN113803479A (en) * | 2021-09-30 | 2021-12-17 | 芜湖泰和管业股份有限公司 | Simple motor valve for gas pipeline |
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