CN203549063U - Built-in motor valve for civil fuel gas meter - Google Patents

Built-in motor valve for civil fuel gas meter Download PDF

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Publication number
CN203549063U
CN203549063U CN201320656033.2U CN201320656033U CN203549063U CN 203549063 U CN203549063 U CN 203549063U CN 201320656033 U CN201320656033 U CN 201320656033U CN 203549063 U CN203549063 U CN 203549063U
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CN
China
Prior art keywords
valve
bibcock
screw rod
motor
gear
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.)
Expired - Fee Related
Application number
CN201320656033.2U
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Chinese (zh)
Inventor
常代贤
李祖光
方炯
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Viewshine Intelligent Meter Co Ltd
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Zhejiang Viewshine Intelligent Meter Co Ltd
Priority date (The priority date 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 date listed.)
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Priority to CN201320656033.2U priority Critical patent/CN203549063U/en
Application granted granted Critical
Publication of CN203549063U publication Critical patent/CN203549063U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model relates to a built-in motor valve for a civil fuel gas meter. Existing products cannot meet various function demands. The built-in motor valve for the civil fuel gas meter comprises a support, a base, a transmission assembly, a screw rod assembly and a valve plug assembly. A limiting ring and a fixing mounting ring of the support are connected by a slide rail; a reed pipe is arranged at the fixing mounting ring; a motor in the base is arranged in a motor box; the transmission assembly is arranged in a gearbox; an anti-explosion plate is arranged in an anti-explosion box; an inner gear upper cover, a limiting ring and an inner gear cover of the transmission assembly define a screw rod positioning cavity; threads are tapped at the upper part of a screw rod body; a clamping bulge is arranged in the waist part of the screw rod body and is positioned in the screw rod positioning cavity and is linked with the transmission assembly by a spring and steel balls. The valve plug assembly comprises a valve plug seat and a valve plug; magnetic steel is embedded into the cylinder wall of the valve plug seat; the valve plug assembly can move up and down relative to the support. The built-in motor valve for the civil fuel gas meter adopts a split structure, the machining usability of product quality is effectively improved, and the machining cost and the integral cost of the product are reduced.

Description

Domestic gas table built-in motor valve
Technical field
The utility model relates to a kind of valve, specifically a kind of domestic gas table built-in motor valve.
Background technique
The motor valve using in gas meter requires very high, and first, in the situation that guaranteeing valve normal switch valve, power supply voltage is more low better, is all to use light current to control conventionally; Secondly running current and the power consumption of motor valve also must be controlled effectively, cannot be too high; While motor valve is opened valve height and is the bigger the better, and must meet the gas meter crushing requirement of national regulation.Also have valve seal performance must meet NBS.Motor valve in the market can not meet above all functions requirement substantially simultaneously.On this basis, the motor valve on market all carrys out control valve switch by set time.With respect to using under light current operating mode, the working life of having reduced battery.Be directed to Safety performance, even if use light current, but use and still have potential safety hazard in combustion gas.
Summary of the invention
The purpose of this utility model is for the deficiencies in the prior art, and a kind of domestic gas table built-in motor valve is provided.
The utility model comprises support, base, transmitting assemblies, screw arbor assembly and cypriot valve components.
Described support comprises valve plug limited ring and fixed installation ring, and the internal diameter of valve plug limited ring is less than the internal diameter of fixed installation ring, and valve plug limited ring is connected by slide rail with fixed installation ring, and slide rail inwall has chute; On fixed installation ring, be provided with dry reed-pipe scaffold; Fixed installation ring is fixedly connected with base.
Described base is provided with motor housing, gear-box and armored cassette; Motor is arranged in motor housing, and the open end of motor housing is closed by motor housing cap seal; Described gear-box is circular cylindrical cavity, and gear-box bottom center is fixedly installed screw rod positioning ring, and transmitting assemblies is arranged in gear-box, and the open end of gear-box is sealed by gear box cover; Bursting diaphragm is arranged in armored cassette, and the motor lines of motor is connected to bursting diaphragm.
Described transmitting assemblies comprises power gear, internal gear and internal tooth wheel cap; Power gear is fixedly connected with the clutch end of motor; Internal gear is cylindrical shape, and the inwall of cylinder is provided with teeth, power gear and internal gear engagement; The upper end portion of internal gear is provided with annular cover, is provided with limited ring on annular cover, and the inwall of limited ring has restraining groove vertically relatively, and the internal diameter of limited ring is greater than the internal diameter of annular cover; Internal tooth wheel cap is ring, is arranged on limited ring, and the internal diameter of internal tooth wheel cap is less than the internal diameter of limited ring; Annular cover, limited ring and internal tooth wheel cap enclose columniform screw rod positioning chamber.
Described screw arbor assembly comprises columniform screw rod body, the external wall of upper portion of screw rod body has been attacked screw thread, waist is provided with screens projection along circumference, connect screw rod body and screens projection and have spring mounting hole, the axis of the axis of spring mounting hole and screw rod body is perpendicular, screens spring is movably arranged in spring mounting hole, and the two ends of screens spring are movably set with respectively steel ball; Screens projection is positioned at screw rod positioning chamber, and two steel balls head in two restraining grooves by screens spring respectively; The tail end of screw rod body is positioned at screw rod positioning ring; Screw rod body, through gear box cover setting, is provided with seal ring between screw rod body and gear box cover.
Described cypriot valve components comprises valve piston base and valve plug, and valve plug is fixedly connected with valve piston base; Described valve piston base is cylindrical shape, and its external diameter is greater than the internal diameter of valve plug limited ring, and is less than the internal diameter of fixed installation ring, and its outer wall is provided with strip bulge, strip bulge setting corresponding to chute, and valve piston base moves up and down along chute by strip bulge; Magnet steel embeds the barrel of valve piston base; The top of screw rod body is threaded with cypriot valve components.
Further, the outer wall of described limited ring has draw-in groove along circumference, and the periphery of internal tooth wheel cap is provided with clamp, and internal tooth wheel cap is arranged on limited ring, and with limited ring clamping.
Further, described valve plug comprises bibcock and rubber cap, and rubber cap is nested with at bibcock head, and bibcock bottom has along axis and has tapped hole, and the top of screw rod body is threaded with bibcock.
Further, described bibcock comprises bibcock and lower bibcock; Upper bibcock is the cylindrical shape of one end sealing; Lower bibcock is cylindrical, and bottom outer wall has been attacked screw thread, along lower bibcock axis, has tapped hole; Upper bibcock is fixedly connected with the top of lower bibcock, by one end sealing of the tapped hole of lower bibcock; Lower bibcock middle part is provided with butterfly screens dish.
Further, the center of described valve piston base end face has tapped hole, and the outer wall of described bibcock has been attacked screw thread, and valve plug is threaded with valve piston base.
Further, described rubber cap be top center to the dish of upper process, rubber cap inner hollow, the shape of hollow space is corresponding with the shape on bibcock top, rubber cap is enclosed within the top of bibcock, the butterfly screens dish of bibcock is positioned at rubber cap.
The utility model changes original overall structure into Split type structure, original whole valve port support becomes the present valve seat of honour and lower of valve is knockdown, effectively improve the technology capability of component, more be conducive to guarantee the stability of quality of product, reduce processing cost and the holistic cost of product.Simultaneously by three connecting rods, connect lower of the valve seat of honour and valve now, bibcock is realized closing of valve port with the motion of jointed gear unit, first its advantage is that bibcock does not directly contact with connecting rod, secondly the drive mechanism mode of bibcock improves, make it that stuck phenomenon of bibcock can not occur, stable drive, switch valve is reliable, and bibcock is closed to valve fulcrum by an original screw rod, a bit support the supported at three point that changes to present three groups of jointed gear units, make bibcock in moving process, there will not be tilt phenomenon, improved and closed stationarity and the reliability in valve process.
The utility model, in original base of design, adds and rotates protective gear, improves drive mechanism and structural member parameter, reduces electric current and the power consumption of motor valve.By rotating protective gear and spacing enhancing motor valve life-span of switch valve.Motor valve increases bursting diaphragm, using on the basis of light current, again strengthens Safety performance.
Accompanying drawing explanation
Fig. 1-1 is the sectional structure chart of the utility model medium-height trestle;
Fig. 1-2 is the structural representation of looking up of Fig. 1;
Fig. 2-1 is the sectional structure chart of base in the utility model;
Fig. 2-2 are the structural representation of bursting diaphragm in the utility model;
Fig. 3 is the sectional structure chart of transmitting assemblies in the utility model;
Fig. 4 is the sectional structure chart of screw arbor assembly in the utility model;
Fig. 5-1 is the sectional structure chart of valve piston base in cypriot valve components;
Fig. 5-2 are the sectional structure chart of valve plug in cypriot valve components.
Embodiment
A kind of domestic gas table built-in motor valve comprises support, base, transmitting assemblies, screw arbor assembly and cypriot valve components.
As shown in Fig. 1-1 and 1-2, support comprises valve plug limited ring 1 and the fixed installation ring 2 of coaxial setting, and the internal diameter of valve plug limited ring 1 is less than the internal diameter of fixed installation ring 2, and valve plug limited ring 1 is connected by slide rail 3 with fixed installation ring 2, and slide rail 3 inwalls have chute 3-1; Fixed installation ring upper 2 is provided with dry reed-pipe scaffold 4, and slide rail 3 outer walls are provided with motor valve mounting ear 3-2; Fixed installation ring 2 is screwed and is connected with base.
As shown in Fig. 2-1, base 5 is provided with motor housing 5-1, gear-box 5-2 and armored cassette 5-3.Motor 6 is arranged in motor housing 5-1, and motor case lid 7 is threaded with base 5, by the open end sealing of motor housing 5-1.The clutch end of motor 6 stretches in gear-box 5-2, gear-box 5-2 is circular cylindrical cavity, gear-box 5-2 bottom center is fixedly installed screw rod positioning ring 8, the power gear 9, internal gear 10 and the internal tooth wheel cap 11 that form transmitting assemblies are arranged in gear-box 5-2, gear box cover 12 is fixedly connected with base 5, by the open end sealing of gear-box 5-2, gear box cover 12 center has screw rod perforation.Bursting diaphragm 13 is arranged in armored cassette 5-3.
As shown in Fig. 2-2, bursting diaphragm 13 comprises substrate 13-1, and three TVS pipe TVS1, TVS2 and TVS3 are arranged in parallel on substrate 13-1; The two ends that two terminal of motor 6 are managed a side with three TVS after parallel connection are respectively connected, and two ends of three TVS pipe opposite sides after parallel connection are connected to outer end control panel.
As shown in Figure 3, transmitting assemblies comprises power gear 9, internal gear 10 and internal tooth wheel cap 11.Power gear 9 is fixedly connected with the clutch end of motor 6; Internal gear 10 is cylindrical shape, and the inwall of cylinder is provided with teeth 10-1, and power gear 9 is arranged in cylinder, and meshes with internal gear 10; The open setting in underpart of internal gear 10, upper end portion is provided with annular cover 15, is provided with limited ring 16 on annular cover 15, and the inwall of limited ring 16 has two restraining groove 16-1 vertically relatively, outer wall has draw-in groove along circumference, and the internal diameter of limited ring 16 is greater than the internal diameter of annular cover 15; Internal tooth wheel cap 11 is ring, and periphery is provided with clamp, and internal tooth wheel cap 11 is arranged on limited ring 16, and with limited ring 16 clampings, the internal diameter of internal tooth wheel cap 11 is less than the internal diameter of limited ring 16; Annular cover 15, limited ring 16 and internal tooth wheel cap 11 enclose columniform screw rod positioning chamber 17.
As shown in Figure 4, screw arbor assembly comprises columniform screw rod body 18, the external wall of upper portion of screw rod body 18 has been attacked screw thread, waist is provided with screens projection 19 along circumference, connect screw rod body 18 and screens projection 19 and have spring mounting hole, the axis of the axis of spring mounting hole and screw rod body 18 is perpendicular, and screens spring 20 is movably arranged in spring mounting hole, and the two ends of screens spring 20 are movably set with respectively steel ball 21.The tail end of screw rod body 18 is positioned at screw rod positioning ring 8, and screens projection 19 is positioned at 17, two steel balls 21 of screw rod positioning chamber and by screens spring, heads in two restraining grooves respectively.
Cypriot valve components comprises valve piston base and valve plug.As shown in Fig. 5-1, valve piston base 22 is cylindrical shape, its external diameter is greater than the internal diameter of valve plug limited ring 1, and be less than the internal diameter of fixed installation ring 2, lower bibcock middle part is provided with its outer wall of butterfly screens dish and is provided with strip bulge 22-1, strip bulge 22-1 setting corresponding to chute 3-1, and valve piston base 22 moves up and down along chute 3-1 by strip bulge 22-1, magnet steel 23 embeds the barrel of valve piston base 22, and the center of valve piston base 22 end faces has tapped hole.
As shown in Fig. 5-2, valve plug comprises bibcock 24, lower bibcock 25 and rubber cap 26; Upper bibcock 24 is the cylindrical shape of one end sealing; Lower bibcock 25 is cylindrical, and bottom outer wall has been attacked screw thread, along lower bibcock axis, has tapped hole; Rubber cap 26 be top center to the dish of upper process, rubber cap inner hollow; Upper bibcock 24 is fixedly connected with the top of lower bibcock 25, by one end sealing of the tapped hole of lower bibcock 25, the shape of rubber cap hollow space with install after upper bibcock and the shape on lower bibcock top corresponding, rubber cap is enclosed within the top of lower bibcock, the butterfly screens dish 25-1 of lower bibcock is positioned at rubber cap, and rubber cap 26 is fixed on to valve plug top.Valve plug is threaded with valve piston base 22 by lower bibcock 25.
Screw rod body 18 arranges through gear box cover 12, between screw rod body 18 and gear box cover 12, is provided with seal ring 14, and the top of screw rod body 18 is threaded with lower bibcock 25.Dry reed-pipe is arranged in dry reed-pipe scaffold 4, and is wired on the control panel of base table outer end.The motor lines of motor 6 is connected to bursting diaphragm 13, posts TVS pipe, by exporting outer end to by wire again after TVS pipe on bursting diaphragm 13.When outer end power supply voltage and electric current are when excessive, TVS pipe can fusing with protection motor, guarantee safety.
When motor 6 rotates, by power gear 9, drive internal gears 10 to rotate, the screens projection 19 in screw rod positioning chamber 17 heads into steel ball in restraining groove 16-1 because of screens spring, thereby drives bolt rotary.Because the top of screw rod body 18 is threaded with lower bibcock 25, the strip bulge 22-1 of valve piston base 22 is positioned at along chute 3-1 simultaneously, and bolt rotary can not drive cypriot valve components to rotate, but can drive the relative support of cypriot valve components to move up and down, and realizes valve switch.When cypriot valve components rises, push up the limited ring 1 of firm support, valve closes valve.Magnet steel 23 is housed on cypriot valve components, and when valve is driven valve, cypriot valve components drops down onto near the dry reed-pipe of below, and dry reed-pipe is because magnetic action is closed, and output wire size has been driven valve to outer end to show valve.
When cypriot valve components arrives top or lowermost end, screw rod can not rotate, and internal gear is still being rotated further, the now sidewall of internal gear upper limit ring 16 extruding steel ball 21, screens spring 20 is compressed, and 21 of steel balls are extruded from restraining groove 16-1, after running several angle, again enter restraining groove 16-1, and then extrude.Iterative cycles like this, screw rod body 18 and lower bibcock 25 screw threads can not kill and destroy.

Claims (6)

1. domestic gas table built-in motor valve, comprises support, base, transmitting assemblies, screw arbor assembly and cypriot valve components, it is characterized in that:
Described support comprises valve plug limited ring and fixed installation ring, and the internal diameter of valve plug limited ring is less than the internal diameter of fixed installation ring, and valve plug limited ring is connected by slide rail with fixed installation ring, and slide rail inwall has chute; On fixed installation ring, be provided with dry reed-pipe scaffold; Fixed installation ring is fixedly connected with base;
Described base is provided with motor housing, gear-box and armored cassette; Motor is arranged in motor housing, and the open end of motor housing is closed by motor housing cap seal; Described gear-box is circular cylindrical cavity, and gear-box bottom center is fixedly installed screw rod positioning ring, and transmitting assemblies is arranged in gear-box, and the open end of gear-box is sealed by gear box cover; Bursting diaphragm is arranged in armored cassette, and the motor lines of motor is connected to bursting diaphragm;
Described transmitting assemblies comprises power gear, internal gear and internal tooth wheel cap; Power gear is fixedly connected with the clutch end of motor; Internal gear is cylindrical shape, and the inwall of cylinder is provided with teeth, power gear and internal gear engagement; The upper end portion of internal gear is provided with annular cover, is provided with limited ring on annular cover, and the inwall of limited ring has restraining groove vertically relatively, and the internal diameter of limited ring is greater than the internal diameter of annular cover; Internal tooth wheel cap is ring, is arranged on limited ring, and the internal diameter of internal tooth wheel cap is less than the internal diameter of limited ring; Annular cover, limited ring and internal tooth wheel cap enclose columniform screw rod positioning chamber;
Described screw arbor assembly comprises columniform screw rod body, the external wall of upper portion of screw rod body has been attacked screw thread, waist is provided with screens projection along circumference, connect screw rod body and screens projection and have spring mounting hole, the axis of the axis of spring mounting hole and screw rod body is perpendicular, screens spring is movably arranged in spring mounting hole, and the two ends of screens spring are movably set with respectively steel ball; Screens projection is positioned at screw rod positioning chamber, and two steel balls head in two restraining grooves by screens spring respectively; The tail end of screw rod body is positioned at screw rod positioning ring; Screw rod body, through gear box cover setting, is provided with seal ring between screw rod body and gear box cover;
Described cypriot valve components comprises valve piston base and valve plug, and valve plug is fixedly connected with valve piston base; Described valve piston base is cylindrical shape, and its external diameter is greater than the internal diameter of valve plug limited ring, and is less than the internal diameter of fixed installation ring, and its outer wall is provided with strip bulge, strip bulge setting corresponding to chute, and valve piston base moves up and down along chute by strip bulge; Magnet steel embeds the barrel of valve piston base; The top of screw rod body is threaded with cypriot valve components.
2. the built-in motor valve of a kind of domestic gas table as claimed in claim 1, is characterized in that: the outer wall of described limited ring has draw-in groove along circumference, and the periphery of internal tooth wheel cap is provided with clamp, and internal tooth wheel cap is arranged on limited ring, and with limited ring clamping.
3. the built-in motor valve of a kind of domestic gas table as claimed in claim 1, it is characterized in that: described valve plug comprises bibcock and rubber cap, rubber cap is nested with at bibcock head, and bibcock bottom has along axis and has tapped hole, and the top of screw rod body is threaded with bibcock.
4. the built-in motor valve of a kind of domestic gas table as claimed in claim 3, is characterized in that: described bibcock comprises bibcock and lower bibcock; Upper bibcock is the cylindrical shape of one end sealing; Lower bibcock is cylindrical, and bottom outer wall has been attacked screw thread, along lower bibcock axis, has tapped hole; Upper bibcock is fixedly connected with the top of lower bibcock, by one end sealing of the tapped hole of lower bibcock; Lower bibcock middle part is provided with butterfly screens dish.
5. the built-in motor valve of a kind of domestic gas table as claimed in claim 3, is characterized in that: the center of described valve piston base end face has tapped hole, and the outer wall of described bibcock has been attacked screw thread, and valve plug is threaded with valve piston base.
6. the built-in motor valve of a kind of domestic gas table as claimed in claim 3, it is characterized in that: described rubber cap is that top center is to the dish of upper process, rubber cap inner hollow, the shape of hollow space is corresponding with the shape on bibcock top, rubber cap is enclosed within the top of bibcock, and the butterfly screens dish of bibcock is positioned at rubber cap.
CN201320656033.2U 2013-10-22 2013-10-22 Built-in motor valve for civil fuel gas meter Expired - Fee Related CN203549063U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320656033.2U CN203549063U (en) 2013-10-22 2013-10-22 Built-in motor valve for civil fuel gas meter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320656033.2U CN203549063U (en) 2013-10-22 2013-10-22 Built-in motor valve for civil fuel gas meter

Publications (1)

Publication Number Publication Date
CN203549063U true CN203549063U (en) 2014-04-16

Family

ID=50467181

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201320656033.2U Expired - Fee Related CN203549063U (en) 2013-10-22 2013-10-22 Built-in motor valve for civil fuel gas meter

Country Status (1)

Country Link
CN (1) CN203549063U (en)

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20140416

Termination date: 20211022