CN203036051U - Full sealed electronic control gas valve - Google Patents
Full sealed electronic control gas valve Download PDFInfo
- Publication number
- CN203036051U CN203036051U CN 201220751056 CN201220751056U CN203036051U CN 203036051 U CN203036051 U CN 203036051U CN 201220751056 CN201220751056 CN 201220751056 CN 201220751056 U CN201220751056 U CN 201220751056U CN 203036051 U CN203036051 U CN 203036051U
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- China
- Prior art keywords
- gas valve
- valve body
- output shaft
- spool
- controlled gas
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- 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.)
- Expired - Lifetime
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Abstract
The utility model discloses a full sealed electronic control gas valve. The gas valve comprises a valve body, a spool, a motor base and a stepping motor. A cock hole is arranged in the valve body; the spool is disposed in the cock hole; the motor base is closely attached to one side of the valve body; the stepping motor is mounted on the motor base for driving the spool to rotate, and an output shaft of the stepping motor penetrates through the motor base and is matched with the spool through a linkage element; and a sealing element is arranged between the motor base and the valve body and distributed around the cock hole. According to the full sealed electronic control gas valve, sealing is performed between the motor base and the valve body and between the motor base and the output shaft of the stepping motor, so that complete sealing is achieved in the electronic control gas valve, gas cannot enter a cooker cavity under leakage of the sealing matched between the spool and the inner wall of the valve body, and the utilization safety of a user is guaranteed; and the electronic control gas valve is improved on the basis of a prior electronic control gas valve, and a primary structure is maintained to the largest extent.
Description
Technical field
The utility model relates to a kind of valve, relates in particular to a kind of hermetic electric-controlled gas valve.
Background technique
Existing gas range all is to control the firepower size by stopcock, and its principle is to control by the flow through gas quantity of stopcock of control.For more accurate control firepower, gradually to the electric-controlled type development, the rotation of cock just (being spool) has made step motor control into by manual control to existing stopcock by mechanical type.
The electric-controlled gas valve is to rotate the gas quantity that specific angle is regulated the stopcock of flowing through by the stepper motor driven valve core.The inner sealing of present electric-controlled gas valve generally has only together, i.e. stopcock sealing.The spool of stopcock mostly is truncated cone (idol has cylindrical body), has the faucet hole that matches with spool in the valve body of stopcock, by the aspectant purpose that can reach sealed valve body that directly contacts of spool and valve interior wall.
Be that the Chinese patent literature of 202418775U discloses a kind of electric-controlled gas valve as publication number, comprise valve body and the stepper motor that is installed on the valve body, valve body is provided with the faucet hole of inlet hole, air outlet hole and built-in spool, and the output shaft of stepper motor is connected by driving component and spool; Described faucet hole inner peripheral surface fixedly has the slug with valve body insulation, leaves the gap between slug and the spool, and described driving component partly passes spool and constitutes the contact, and described contact contacts with slug during with maximum angle in the valve core rotation zero angle.
In this electric-controlled gas valve, the sealing of valve body directly contacts with valve interior wall by precision machined spool and finishes.Yet situation poorly sealed, the little leakage of combustion gas more or less all can take place in the processing of plug valve, because electric control valve does not have knob, whole valve body inside is in the state of sealing basically, the gas of little leakage at first gathers, stores at valve inner, when running up to certain amount, the combustion gas meeting leaks in the kitchen range cavity along the micro gap of valve body, if run into burning things which may cause a fire disaster, then detonation or blast be may cause, personal injury and property loss caused.
Therefore, be necessary to strengthen the sealability of electric-controlled gas valve body, avoid the combustion gas gas of little leakage to leak into the kitchen range inside cavity, to guarantee the being perfectly safe property of kitchen range.
The model utility content
The utility model provides a kind of hermetic electric-controlled gas valve, and good seal performance has avoided gas leakage in the kitchen range cavity.
A kind of hermetic electric-controlled gas valve comprises:
Valve body, in have faucet hole;
Spool is positioned at described faucet hole;
Motor cabinet fits tightly a side that is installed in described valve body;
Stepper motor is installed on the described motor cabinet, is used for driving valve core rotation, and the output shaft of this stepper motor passes described motor cabinet and matches with spool by coupling component;
Be provided with Sealing between described motor cabinet and the valve body, described Sealing distributes around the faucet hole opening.
Motor cabinet is generally by being bolted to a side of valve body, by Sealing is set, space between motor cabinet and valve body sealing can be increased one deck sealing and ensured, make the sealing of valve body not only depend on the hard sealing that spool contacts with face face between the valve interior wall.
Described Sealing can be metal packing washer or rubber gasket, can certainly be the combination seal packing ring.
As preferably, described Sealing is the O RunddichtringO, and this O RunddichtringO fits tightly and is arranged between side of valve body and the motor cabinet.
Deformation takes place and seals when being subjected to the extruding of motor cabinet and valve body in the O RunddichtringO, and the O RunddichtringO has self sealing action, do not need periodically to adjust the position of motor cabinet and valve body, O RunddichtringO volume is little simultaneously, and required installing space is little, and cost is also cheaper.
Further, the mutually close side of described motor cabinet and valve body is provided with the groove of annular, and described O RunddichtringO is inlaid in this groove.
Annular groove can make the O RunddichtringO obtain the initial sealing contact stress, makes the O RunddichtringO give full play to sealability.
Preferably, the cross section of described groove is rectangle.Sealability is better, and not fragile O RunddichtringO.
Be further sealed valve body, be provided with seal ring between the output shaft of described stepper motor and the motor cabinet.
As preferably, described motor cabinet offers the through hole that the output shaft for described stepper motor passes, and is provided with described seal ring between the inwall of this through hole and the periphery of described output shaft.
Influence sealing effect for prevent that seal ring from sliding in installation process, the inwall of described through hole is provided with circumferential limited step, and described seal ring is positioned at the step surface position of this limited step.
Described coupling component be set on the output shaft of described stepper motor and with the thumb wheel of output shaft interlock, described spool is provided with the mounting groove that cooperates with described thumb wheel near an end end of stepper motor.
Described coupling component be set on the output shaft of described stepper motor and with the thumb wheel of output shaft interlock, the outer wall of described thumb wheel has radial protrusion portion, described spool is provided with the mounting groove that cooperates with described radial protrusion portion near an end end of stepper motor.
When the output shaft of stepper motor rotates, can drive thumb wheel and rotate, spool carries out rotating certain angle thereupon.
Be the rotation of the realization thumb wheel that is more prone to, the output shaft of described stepper motor is provided with dials pin, is provided with and dials group needle tray that pin cooperates in the described thumb wheel.
For the thrust that prevents combustion gas is pushed spool open, in order to avoid cause the leakage of combustion gas or influence the validity of the adjusting of gas quantity, also be provided with spring between the bottom surface of described mounting groove and the thumb wheel.
Described valve body also is provided with main suction tude, suction tude and the steam outlet pipe that is communicated with successively, and main suction tude position is provided with for the solenoid valve of control to a suction tude air inlet.
Compared with prior art, the beneficial effects of the utility model are:
The hermetic electric-controlled gas valve of the utility model will seal between motor cabinet and the valve body and between the output shaft of motor cabinet and stepper motor, realized the sealing fully of electric-controlled gas valve body, under the situation of the seal leakage that spool cooperates with valve interior wall, combustion gas can not enter in the kitchen range cavity yet, has guaranteed the Security that the user uses.
The hermetic electric-controlled gas valve of the utility model is to improve on the basis of existing electric-controlled gas valve, has farthest kept embryonal structure.
Description of drawings
Fig. 1 is the structural representation of the hermetic electric-controlled gas valve of the utility model;
Wherein: 1, valve body; 2, motor cabinet; 3, stepper motor; 4, steam outlet pipe; 5, prop up suction tude; 6, thumb wheel; 7, dial pin; 8, spool; 9, spring; 10, solenoid valve; 11, O RunddichtringO; 12, limited step; 13, bolt; 14, faucet hole; 15, groove; 16, seal ring; 17, output shaft; 18, main suction tude; 19, radial projection portion.
Embodiment
Below in conjunction with specific embodiment the utility model is done further explaination.
Fig. 1 shows the structure of the hermetic electric-controlled gas valve of the utility model, comprises valve body 1, spool 8, motor cabinet 2, stepper motor 3 and solenoid valve 10.
Be fixedly connected with motor cabinet 2 by bolt 13 on the side of valve body 1 one ends, motor cabinet 2 and valve body 1 mutually close side is provided with the groove 15 of annular, is embedded with O RunddichtringO 11 in this groove 15.When motor cabinet 2 is installed, fastening gradually along with bolt 13, O RunddichtringO 11 is compressed, elastic strain takes place after, the space between sealed valve body 1 and the motor cabinet 2.The cross section of groove 15 is rectangle, and certainly, owing to be static seal between valve body 1 and the motor cabinet 2, the cross section of groove 15 also can be V-arrangement.
Motor cabinet 2 also is provided with groove, and output shaft 17 end shapes of this groove and stepper motor 3 adapt, and stepper motor 3 is installed in this groove.The middle part of motor cabinet 2 also offers a through hole, and the output shaft 17 of stepper motor 3 passes this through hole.The inwall of through hole has circumferential limited step 12, and the output shaft 17 of stepper motor 3 is arranged with a seal ring 16, and sealing circle 16 just in time is positioned at the step surface position of limited step 12.In stepper motor 3 was installed to process on the motor cabinet 2, seal ring 16 was subjected to the squeezing action of the output shaft 17 of limited step 12 and stepper motor 3, and the space between stepper motor 3 and the motor cabinet 2 is sealed.In addition, in order to reach better sealing effect, the seal ring 16 of this place's sealing also adopts the O RunddichtringO.
Also be vertically installed with one group of pin 7 on the output shaft 17 of stepper motor 3, this group pin 7 is along the length direction symmetry of the output shaft 17 of stepper motor 3.Dial pin 7 for bar shaped, can be cylindrical body, cuboid etc.This group pin 7 is one-body molded with the output shaft 17 of stepper motor 3, can make production technology simpler, and structure is also more firm, obvious between the output shaft 17 of group pin 7 and stepper motor 3, and this group pin 7 also can weld mutually with the output shaft 17 of stepper motor 3.
Be provided with truncated cone-shaped faucet hole 14 in the valve body 1, be provided with the spool 8 that matches with it in the faucet hole 14, the shape of spool 8 also is truncated cone-shaped, salable valve body 1 when the inwall of spool 8 and valve body 1 fits tightly together.
Spool 8 offers mounting groove near the end of stepper motor 3 one ends, cooperates in the mounting groove thumb wheel 6 is installed, and as shown in Figure 2, the outer wall of thumb wheel 6 has radial protrusion portion 19, spool 1 and these thumb wheel 6 interlocks.This thumb wheel 6 is set on the output shaft 17 of stepper motor 3, and in addition, thumb wheel 6 also is provided with and dials group needle tray that pin 7 matches.When the output shaft 17 of stepper motor 3 rotates, dial pin 7 and stir thumb wheel 6, turn to certain angle thereby thumb wheel 6 drives spool 8, accurately control the flow of combustion gas.For the thrust that prevents combustion gas is pushed spool 8 open, in order to avoid cause the leakage of combustion gas or influence the validity of the adjusting of gas quantity, also be provided with spring 9 between the bottom surface of mounting groove and the thumb wheel 6.
Valve body 1 also is provided with main suction tude 18, suction tude 5 and the steam outlet pipe 4 that is communicated with successively, is provided with solenoid valve 10 at main suction tude 18 positions, and solenoid valve 10 can be controlled the circulation of combustion gas between main suction tude 18 and bronchus 5.
Claims (10)
1. hermetic electric-controlled gas valve comprises:
Valve body (1), in have faucet hole (14);
Spool (8) is positioned at described faucet hole (14);
Motor cabinet (2) fits tightly a side that is installed in described valve body (1);
Stepper motor (3) is installed on the described motor cabinet (2), is used for driving spool (8) and rotates, and the output shaft (17) of this stepper motor (3) passes described motor cabinet (2) and matches with spool (8) by coupling component;
It is characterized in that, be provided with Sealing between described motor cabinet (2) and the valve body (1), described Sealing distributes around faucet hole (14) opening.
2. hermetic electric-controlled gas valve as claimed in claim 1 is characterized in that, described Sealing is O RunddichtringO (11), and this O RunddichtringO (11) fits tightly between the side and motor cabinet (2) that is arranged on valve body (1).
3. hermetic electric-controlled gas valve as claimed in claim 2 is characterized in that, the mutually close side of described motor cabinet (2) and valve body (1) is provided with the groove (15) of annular, and described O RunddichtringO (11) is inlaid in this groove (15).
4. hermetic electric-controlled gas valve as claimed in claim 3 is characterized in that, the cross section of described groove (15) is rectangle.
5. hermetic electric-controlled gas valve as claimed in claim 1 is characterized in that, is provided with seal ring (16) between the output shaft (17) of described stepper motor (3) and the motor cabinet (2).
6. hermetic electric-controlled gas valve as claimed in claim 5, it is characterized in that, described motor cabinet (2) offers the through hole that passes of output shaft (17) for described stepper motor (3), is provided with described seal ring (16) between the periphery of the inwall of this through hole and described output shaft (17).
7. hermetic electric-controlled gas valve as claimed in claim 6 is characterized in that, the inwall of described through hole is provided with circumferential limited step (12), and described seal ring (16) is positioned at the step surface position of this limited step (12).
8. hermetic electric-controlled gas valve as claimed in claim 1, it is characterized in that, described coupling component go up for the output shaft (17) that is set in described stepper motor (3) and with the thumb wheel (6) of output shaft (17) interlock, the outer wall of described thumb wheel (6) has radial protrusion portion (19), and described spool (8) is provided with the mounting groove that cooperates with described radial protrusion portion (19) near an end end of stepper motor (3).
9. hermetic electric-controlled gas valve as claimed in claim 8 is characterized in that, the output shaft (17) of described stepper motor (3) is provided with group pin (7), is provided with and dials group needle tray that pin (7) cooperates in the described thumb wheel (6).
10. hermetic electric-controlled gas valve as claimed in claim 8 is characterized in that, also is provided with spring (9) between the bottom surface of described mounting groove and the thumb wheel (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220751056 CN203036051U (en) | 2012-12-31 | 2012-12-31 | Full sealed electronic control gas valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220751056 CN203036051U (en) | 2012-12-31 | 2012-12-31 | Full sealed electronic control gas valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203036051U true CN203036051U (en) | 2013-07-03 |
Family
ID=48688180
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220751056 Expired - Lifetime CN203036051U (en) | 2012-12-31 | 2012-12-31 | Full sealed electronic control gas valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203036051U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105202245A (en) * | 2015-09-24 | 2015-12-30 | 浙江新涛电子机械股份有限公司 | Linear-gas-outlet type electronic control gas valve |
| CN108087574A (en) * | 2017-12-29 | 2018-05-29 | 浙江博顿燃具科技有限公司 | A kind of cock valve assembly of embedded gas range |
-
2012
- 2012-12-31 CN CN 201220751056 patent/CN203036051U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105202245A (en) * | 2015-09-24 | 2015-12-30 | 浙江新涛电子机械股份有限公司 | Linear-gas-outlet type electronic control gas valve |
| CN105202245B (en) * | 2015-09-24 | 2018-06-01 | 浙江新涛智控科技股份有限公司 | A kind of linear air-out type electric-controlled gas valve |
| CN108087574A (en) * | 2017-12-29 | 2018-05-29 | 浙江博顿燃具科技有限公司 | A kind of cock valve assembly of embedded gas range |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 312500 Xinchang County, Zhejiang Province, Tao Road, No. 68, No. Patentee after: ZHEJIANG XINTAO INTELLIGENT CONTROL TECHNOLOGY CO.,LTD. Address before: The new Tao road 312500 County of Xinchang province Shaoxing City, Zhejiang province high tech Development Zone No. 68 Patentee before: Zhejiang Xintao Electronics & Machinery Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130703 |
|
| CX01 | Expiry of patent term |