CN102174966B - Built-in motor valve for commercial gas meter - Google Patents
Built-in motor valve for commercial gas meter Download PDFInfo
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- CN102174966B CN102174966B CN201110065803A CN201110065803A CN102174966B CN 102174966 B CN102174966 B CN 102174966B CN 201110065803 A CN201110065803 A CN 201110065803A CN 201110065803 A CN201110065803 A CN 201110065803A CN 102174966 B CN102174966 B CN 102174966B
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Abstract
The invention discloses a built-in motor valve for a commercial gas meter. The original integral structure is changed into a split structure, i.e., the original valve port support is changed into the existing combination type of a valve upper seat and a valve lower seat, the manufacturing technology property of components is improved effectively, the motor valve is more in favor of ensuring the stability of product quality, and the manufacturing cost and integral cost of products are reduced; simultaneously the valve upper seat and the valve lower seat are connected through three connecting rods; the closure of a valve port is realized through the movements of a connecting rod transmission mechanism by a valve bolt. The motor valve provided by the invention has the advantages that firstly the valve bolt is not in contact with the connecting rods directly, and secondly the transmission structural mode of the valve bolt is improved, the phenomenon of blockage of the valve bolt can not happen, the transmission is stable, a switch valve is reliable, and the supporting point of the valve closure of the valve bolt is changed from one-point supporting of a screw rod into three-point supporting of the existing three groups of connecting rod transmission mechanisms, thus tilting phenomena can not happen during the moving process of the valve bolt, and the stability and reliability during the valve closure are improved.
Description
Technical field
The invention belongs to a kind of built-in valve of built-in valve, particularly a kind of gas meter.
Technical background
The publication number of the former first to file of the applicant is CN101551019, and open day is on October 7th, 2009, and name is called a kind of built-in valve that provides in the patent application of " a kind of inner built-in motor valve of commercial combustion gas meter that is installed in "; It does not directly contact with atmosphere; Opening under the valve state, it is inner that combustion gas gets into gas meter through valve port, and itself has sealing gas meter; Completely cut off atmosphere, effectively prevented the leakage hidden danger of combustion gas.But we find to exist following problem in practical application, because bibcock is the embedded copper spare of moulding, make difficulty, and it is eccentric to be easy to cause embedded copper spare of bibcock and cylindrical to exist; And bibcock is on support, to slide when closing valve, when being very easy to switch valve occur like this bibcock and between stuck, switch valve is not in place; Especially it is not in place to close valve, and bibcock and support assembling simultaneously is also very difficult, and the support volume is bigger simultaneously; Manufacture difficulty is big, and man-hour is long, and processing cost is high.
Summary of the invention
The present invention provides a kind of built-in motor valve of commercial combustion gas meter; Original overall structure is changed to assembled structure; Help reducing difficulty of processing, improve the quality of products, directly drive close port to change into by screw rod original bibcock simultaneously and drive by jointed gear unit; It is not in place to make that bibcock can not close valve when closing valve, has increased mechanism stability.
Technological scheme of the present invention is: a kind of built-in motor valve of commercial combustion gas meter, comprise the valve bung flange, and be provided with base in the valve bung flange; Be fixed with motor on the base, motor connects headscrew through output gear, and said valve bung flange is provided with the valve seat of honour; The valve seat of honour is fixed with an end of valve body connecting rod, and the other end of valve body connecting rod is fixed on the valve base, is connected with the valve mobile plate on the valve body connecting rod; Be connected with three groups of jointed gear units on the valve mobile plate, jointed gear unit one end connects the valve mobile plate, and the other end connects bibcock; The bibcock front end is provided with valve port, and valve port is enclosed within the valve base, and jointed gear unit is connected with headscrew; Motor rotates and drives headscrew, and headscrew drivening rod driving mechanism makes bibcock go up and down to open and close the switch that valve port is realized valve.
As preferably; Described jointed gear unit comprises bibcock connecting plate, three hole connecting plates, sliding nut and nut connecting plate; Bibcock connecting plate one end and bibcock are hinged, and the bibcock connecting plate the other end and hole of three hole connecting plates are hinged, hinged nut connecting plate of difference and valve mobile plate on two other hole of three hole connecting plates; The hinged sliding nut of nut connecting plate, sliding nut is threaded with headscrew.Jointed gear unit connects bibcock, valve mobile plate and headscrew through hinge structure, in the time of the headscrew rotation, drives hinge structure, and hinge structure drives the bibcock realization switch valve that moves up and down, and transmission process is comparatively steadily reliable.
As preferably, be with counterbalance spring on the valve body connecting rod between the described valve mobile plate and the valve seat of honour.When hinge structure drive bibcock closes valve; Because the error in part manufacturing and the installation process; The not tight situation of valve may occur closing, promptly bibcock closes not in place or excessive situation, through increasing counterbalance spring; Lean on the pressure of spring to remedy error wherein, make that the pass valve is tighter.
As preferably, described bibcock is provided with the valve seal pad, and the valve seal pad is fixed through the valve plug nut.
As preferably, described base is provided with valve body, and headscrew is assemblied on the valve body.
As preferably, be covered with a motor cover on the described motor, motor cover is fixed on the base.Motor cover plays the effect of protection motor, seals up contacting of motor and outside combustion gas simultaneously.
As preferably, the motor seal pad that seals is housed between described motor cover and the base.
As preferably, described motor is provided with the motor output gear, and described base is provided with speed change tooth one and speed change tooth two, and gear is installed in described headscrew lower end; Motor output gear and one engagement of speed change tooth, speed change tooth one is connected with speed change tooth two, and speed change tooth two is connected with gear; Motor rotates and drives the rotation of motor output gear, and the motor output gear drives speed change tooth one, speed change tooth two and gear successively and rotates, and finally drives headscrew and rotates.
Motor valve of the present invention changes original overall structure into the branch body structure; Promptly original whole valve port support becomes the present valve seat of honour and following of valve is knockdown; Effectively improve processing technology of components property; More help guaranteeing the stability of quality of product, reduce the processing cost and the whole cost of product.Simultaneously connect following of the valve seat of honour and valve through three connecting rods now; Bibcock is closed with the motion realization valve port of jointed gear unit, and its advantage at first is that bibcock does not directly contact with connecting rod, and secondly the drive mechanism mode of bibcock improves; Make it that stuck phenomenon of bibcock can not take place; Stable drive, switch valve is reliable, and bibcock is closed the valve fulcrum is changed to present three groups of jointed gear units by some support of an original screw rod supported at three point; Make bibcock in moving process, tilt phenomenon can not occur, improved and closed stationarity and the reliability in the valve process.
Description of drawings
Fig. 1 is the sectional structure chart of the built-in valve of the present invention;
Fig. 2 is the blast erection drawing of the built-in valve of the present invention;
Fig. 3 is the A-A sectional view of Fig. 1;
Embodiment
Like Fig. 1,2, shown in 3, a kind of built-in motor valve of commercial combustion gas meter, valve bung flange 13; Be provided with base 14 in the valve bung flange 13, be fixed with motor 20 on the base 14, motor 20 is the drag cup anti-explosion motor; With screw 33 motor 3 is fixed on the base 14, motor cover 19 covers on and plays protection motor and sealed electric-motor on the motor 20, between motor cover 19 and the base 14 motor seal pad 16 is housed; Motor seal pad 16 seals; Leave threading hole on the motor cover 19, pass motor cover 19 in order to motor down-lead, motor 20 is installed the back and is adopted lead sealing plug 17 sealed electrical cover threading holes and fixing with sealing nut 18; Be fixed with foot 12 on the base 14, in order to base 14 is fixed on gas meter inside, make whole built-in valve comparatively stable be fixed on gas meter inside.The valve seat of honour 8 is located on the base 14 and through engage thread and is fixedly connected with valve bung flange 13; Be fixed with three valve body connecting rods 4 around the valve seat of honour 8, an end of valve body connecting rod 4 is fixed on the valve seat of honour 8 through nut 31, and the other end of three valve body connecting rods 4 is fixed on the valve base 1; Be connected with valve mobile plate 6 on the valve body connecting rod 4; Be connected with three groups of jointed gear units on the valve mobile plate 6, be provided with valve body 11 in the valve seat of honour 8, gear 34 is loaded onto after passing and being assemblied on the valve body 11 behind the valve seat of honour 8 in headscrew 10 lower ends; And it is gear 34 is fixing with headscrew 10 with key-bolt 35; Headscrew 10 rotates synchronously when rotating with assurance gear 34, between valve body 11 and the headscrew 10 seal ring 9 is housed, and the headscrew that installs gear 34 10 is arranged on the base 14; Intermeshing speed change tooth 1 and speed change tooth 2 39 are housed on the base 14, and speed change tooth 2 39 is connected with gear 34; Motor output gear 36 engagements on speed change tooth 1 and the motor 20 guarantee that motor 20 rotates 10 rotations of drive headscrews.
The helical thread portion of headscrew 10 upper ends is connected with sliding nut 28; Sliding nut 28 is hinged with three nut connecting plates 27 respectively; Each nut connecting plate 27 all is hinged with one three hole connecting plate 25, and each three hole connecting plates, 25 1 end all is hinged with a bibcock connecting plate 24, three hole connecting plates 25 the other ends and all is hinged on the valve mobile plate 6 through connecting plate seat 30; One end of each bibcock connecting plate 24 and three hole connecting plates 25 are hinged; Each bibcock connecting plate 24 the other end 42, three bibcock jacking blocks of a hinged bibcock jacking block 42 respectively connect bibcock 23, are equivalent to three groups of jointed gear units like this and are connected on the bibcock 23.
Be with valve seal pad 22 on the bibcock 23, valve seal pad 22 is fixed on the bibcock 23 through valve plug nut 21, and valve plug nut 21 is fixed on valve seal pad 22 on the bibcock 23 through screwing with bibcock 23 screw threads.Valve base 1 is provided with the valve port 2 that matches with valve seal pad 22; Valve port 2 and valve base 1 interference fit; Sealing is embedded on the valve base 1, and what whole valve pass valve sealed is valve seal pad 22, and bibcock 23 compresses through valve seal pad 22 and valve port 2 when closing valve; Valve base 1 top is screwed the inside that is connected gas meter through installation foot 5; When valve is in out under the valve state, combustion gas is exactly that air intake from gas meter gets into valve port 2 to flow into gas meters inner.
The bottom of built-in valve is installed in the inside of gas meter through foot 12 usefulness screws, plays the effect of stablizing built-in valve.In the time of the needs throttle down, motor 20 rotates, and motor output gear 36 drives the speed change tooth 1 that is engaged with and rotates; Speed change tooth 1 drives speed change tooth 2 39 and rotates, and speed change tooth 2 39 driven gear 34 again rotates, and gear 34 is fixing with key-bolt 35 with headscrew 10; Therefore the two synchronous rotation, headscrew 10 and sliding nut 28 screw-thread fit, headscrew 10 are rotated and are driven sliding nut 28 risings; Sliding nut 28 drives hinged nut connecting plate 27 above that, and nut connecting plate 27 drives three hole connecting plates, 25, three hole connecting plates 25 and drives bibcock connecting plate 24; Bibcock connecting plate 24 drives upwards overhead-valve bolt 23 of bibcock jacking block 42, and the valve plug nut 21 of bibcock 23 front ends is got in the valve port 2, and bibcock 23 compresses through valve seal pad 22 and valve port 2; With valve port 2 sealings, thereby realize closing valve, this hinge kind of drive realizes that the pass valve velocity ratio of bibcock is more steady; The stuck phenomenon of part can not appear; And three groups of jointed gear units come bibcock is realized positioning supports that bibcock just irregular phenomenon can not occur tilting through three points, have avoided closing the not tight of valve.Three hole connecting plates 25 also can drive connecting plate seat 30 and upwards spur valve mobile plate 6 simultaneously, are with counterbalance spring 29 on the valve body connecting rod 4 between the valve mobile plate 6 and the valve seat of honour 8.If because the error of component manufacturing or the error when installing, make that to close valve between bibcock 23 and the valve port 2 not tight, counterbalance spring 29 can compress valve mobile plate 6, thereby makes between bibcock 23 and the valve port 2 the pass valve tight.
When the needs Open valve, motor 20 counter-rotatings, motor output gear 36 backward rotation; Drive speed change tooth 1, speed change tooth 2 39 and gear 34 backward rotation successively, gear 34 is fixing with key-bolt 35 with headscrew 10, so the two synchronous rotation; Headscrew 10 can the direction of drivening rod driving mechanism when closing valve just now oppositely spur bibcock 23 motions; Bibcock 23 descends, and bibcock 23 can drive valve seal pad 22 and come out from valve port 2 with valve plug nut 21, separates with valve port 2; Valve port 2 will be opened, thereby realizes opening valve.
Claims (7)
1. the built-in motor valve of a commercial combustion gas meter comprises valve bung flange (13), is provided with first base (14) in the valve bung flange (13); Be fixed with motor (20) on first base (14), motor (20) connects headscrew (10) through the motor output gear, it is characterized in that; Said valve bung flange (13) is provided with the valve seat of honour (8), and the valve seat of honour (8) are fixed with an end of valve body connecting rod (4), and the other end of valve body connecting rod (4) is fixed on the valve base (1); Be connected with valve mobile plate (6) on the valve body connecting rod (4); Be connected with three groups of jointed gear units on the valve mobile plate (6), jointed gear unit one end connects valve mobile plate (6), and the other end connects bibcock (23); Bibcock (23) front end is provided with valve port (2); Valve port (2) is enclosed within the valve base (1), and jointed gear unit is connected with headscrew (10), and motor (20) rotates and drives headscrew (10); Headscrew (10) drivening rod driving mechanism makes bibcock (23) go up and down to open and close the switch that valve port (2) is realized valve; Described jointed gear unit comprises bibcock connecting plate (24), three hole connecting plates (25), sliding nut (28) and nut connecting plate (27), and bibcock connecting plate (24) one ends and bibcock jacking block (42) are hinged, and bibcock jacking block (42) connects bibcock (23); Bibcock connecting plate (24) the other end and (25) holes of three hole connecting plates are hinged; Difference hinged nut connecting plate (27) and valve mobile plate (6) on two other hole of three hole connecting plates (25), the hinged sliding nut of nut connecting plate (27) (28), sliding nut (28) is threaded with headscrew (10).
2. the built-in motor valve of a kind of commercial combustion gas meter according to claim 1 is characterized in that, is with counterbalance spring (29) on the valve body connecting rod (4) between described valve mobile plate (6) and the valve seat of honour (8).
3. the built-in motor valve of a kind of commercial combustion gas meter according to claim 2 is characterized in that, described bibcock (23) is provided with valve seal pad (22), and valve seal pad (22) is fixing through valve plug nut (21).
4. the built-in motor valve of a kind of commercial combustion gas meter according to claim 3 is characterized in that, described first base (14) is provided with valve body (11), and headscrew (10) is assemblied on the valve body (11).
5. the built-in motor valve of a kind of commercial combustion gas meter according to claim 4 is characterized in that, is covered with a motor cover (19) on the described motor (20), and motor cover (19) is fixed on first base (14).
6. the built-in motor valve of a kind of commercial combustion gas meter according to claim 5 is characterized in that, the motor seal pad (16) that seals is housed between described motor cover (19) and first base (14).
7. the built-in motor valve of a kind of commercial combustion gas meter according to claim 6; It is characterized in that; Described motor (20) is provided with motor output gear (36); Described first base (14) is provided with speed change tooth one (38) and speed change tooth two (39), and gear (34) is installed in described headscrew (10) lower end; Motor output gear (36) and one (38) engagement of speed change tooth, speed change tooth one (38) is connected with speed change tooth two (39), and speed change tooth two (39) is connected with gear (34); Motor (20) rotates and drives motor output gear (36) rotation, and motor output gear (36) drives speed change tooth one (38), speed change tooth two (39) and gear (34) successively and rotates, and finally drives headscrew (10) and rotates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110065803A CN102174966B (en) | 2011-03-18 | 2011-03-18 | Built-in motor valve for commercial gas meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110065803A CN102174966B (en) | 2011-03-18 | 2011-03-18 | Built-in motor valve for commercial gas meter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102174966A CN102174966A (en) | 2011-09-07 |
| CN102174966B true CN102174966B (en) | 2012-10-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110065803A Active CN102174966B (en) | 2011-03-18 | 2011-03-18 | Built-in motor valve for commercial gas meter |
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| CN (1) | CN102174966B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108458150B (en) * | 2018-04-04 | 2024-02-27 | 翟泉来 | Electric straight-travel valve actuator |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6098957A (en) * | 1998-07-31 | 2000-08-08 | Honeywell Inc. | Electro-mechanical torque limiter for valve actuators |
| CN201246515Y (en) * | 2008-07-09 | 2009-05-27 | 浪达科技（深圳）有限公司 | Drive device of high temperature gas changing-over valve |
| CN101551019A (en) * | 2009-05-14 | 2009-10-07 | 浙江威星仪表系统集成有限公司 | Built-in motor valve mounted in commercial combustion gas meter |
| CN101718367A (en) * | 2010-02-02 | 2010-06-02 | 陈立楠 | Valve electric actuator |
| CN201963900U (en) * | 2011-03-18 | 2011-09-07 | 浙江威星智能仪表股份有限公司 | Internal motor valve for commercial meter gas |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002147900A (en) * | 2000-11-14 | 2002-05-22 | Saginomiya Seisakusho Inc | Motor control valve |
-
2011
- 2011-03-18 CN CN201110065803A patent/CN102174966B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6098957A (en) * | 1998-07-31 | 2000-08-08 | Honeywell Inc. | Electro-mechanical torque limiter for valve actuators |
| CN201246515Y (en) * | 2008-07-09 | 2009-05-27 | 浪达科技（深圳）有限公司 | Drive device of high temperature gas changing-over valve |
| CN101551019A (en) * | 2009-05-14 | 2009-10-07 | 浙江威星仪表系统集成有限公司 | Built-in motor valve mounted in commercial combustion gas meter |
| CN101718367A (en) * | 2010-02-02 | 2010-06-02 | 陈立楠 | Valve electric actuator |
| CN201963900U (en) * | 2011-03-18 | 2011-09-07 | 浙江威星智能仪表股份有限公司 | Internal motor valve for commercial meter gas |
Non-Patent Citations (1)
| Title |
|---|
| JP特开2002-147900A 2002.05.22 |
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| CN102174966A (en) | 2011-09-07 |
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