CN207701899U - Quick closing valve motor valve built in a kind of intelligent gas meter - Google Patents
Quick closing valve motor valve built in a kind of intelligent gas meter Download PDFInfo
- Publication number
- CN207701899U CN207701899U CN201721146420.6U CN201721146420U CN207701899U CN 207701899 U CN207701899 U CN 207701899U CN 201721146420 U CN201721146420 U CN 201721146420U CN 207701899 U CN207701899 U CN 207701899U
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Abstract
Quick closing valve motor valve built in a kind of intelligent gas meter disclosed by the utility model, including valve body, valve seat and valve deck are respectively arranged with spool, valve rod and valve core spring in valve body, and the bottom end of valve rod is provided with rack, motor and train of reduction gears are respectively arranged in valve seat；Fast shutting mechanism is provided between train of reduction gears and rack, fast shutting mechanism includes the driving cam set gradually from bottom to top, lifter cam, the first bevel gear and the second bevel gear, driving cam is set to the output end of train of reduction gears, the upper end of driving cam is equipped with the first cam arcwall face, the lower end of lifter cam is equipped with the second cam arcwall face coordinated with the first cam arcwall face, first bevel gear is fixedly connected with lifter cam, second bevel gear is fixedly connected with the driving gear engaged with rack, and resetting spring is provided between the upper end and valve deck of the second driving cam.The utility model is simple and reasonable, easy for installation, stable and reliable working performance, and service life is longer.
Description
Technical field
The utility model is related to intelligent gas meter motor valve technical field, more particularly to quick closing valve built in a kind of intelligent gas meter
Motor valve.
Background technology
Intelligent fuel gas table generally use motor valve controls the open and close of gas meter, flow meter as executing agency.It is existing
Intelligent gas meter motor valve be generally used it is slow close formula structure, this slow pass formula motor valve when closing valve due to slow in one's movements, no
The requirement that can realize valve emergency cut-off causes pass valve unreliable.For this purpose, it is fast yet to have intelligent gas meter on the market at present
Pass formula motor valve is slowly asked by the way that a fast shutting mechanism is arranged in the inside of motor valve to efficiently solve pass valve events
Topic.
Chinese patent（Application No. is 200910098153.3）Disclose a kind of slow-open fast-shutoff mechanism of motor valve, structure
Including motor, reduction box, stem gear, duplicate gear and main body rack, stem gear, connecting shaft tooth are equipped in motor and reduction box
Gear on wheel is engaged with the gear in reduction box, after the shaft end on stem gear passes through the special hole on main body rack, successively
The company's of loading onto tooth pawl-and-gearing connects tooth papillae pawl and is engaged respectively with transition gear and ratchet, and there is an axial small convex in the side of ratchet,
For installing transition gear；Mesh ratchet gear rotation when even tooth papillae pawl rotates in the forward direction, when even tooth papillae pawl reversely rotates, by ratchet top
Firmly, to flick transition gear；The pinion gear of duplicate gear is engaged with rack, and gear wheel is engaged in valve opening with transition gear,
It is disengaged with transition gear when closing valve；One end of the separate duplicate gear of rack is connect with spring and jam pot cover.When valve opening, rack drives
Jam pot cover completes valve opening, when closing valve, since under the action of ratchet and even tooth papillae pawl, duplicate gear is disengaged with transition gear, rack
Jam pot cover Rapid reset, moment is only driven to complete to close valve under spring force.
But the defect of the slow-open fast-shutoff mechanism of above-mentioned motor valve is that structure is complex, cause to assemble it is relatively complicated not
Just, assembly difficulty is increased, in addition, since it is to coordinate the linkage structure constituted to realize valve opening with ratchet using even tooth papillae pawl
With the transmission for closing valve, when work, be easy to cause the damage of even tooth papillae pawl, causes service life relatively low.
Utility model content
The purpose of this utility model is that in view of the drawbacks of the prior art and insufficient, provide fast built in a kind of intelligent gas meter
Pass motor valve, simple and reasonable, easy for installation, stable and reliable working performance, service life are longer.
To achieve the above object, the utility model uses following technical scheme.
Quick closing valve motor valve built in a kind of intelligent gas meter, including valve body, valve seat and valve deck, the valve body are solid with the valve seat
Fixed connection, the valve bonnet seal are set between the valve body and the valve seat, and air inlet is respectively equipped on the valve body and is gone out
Gas port is respectively arranged with the spool coordinated with the gas outlet seal, the valve rod being fixedly connected with the spool in the valve body,
It is supported between the spool and the valve deck and is equipped with valve core spring, the bottom end of the valve rod passes through the valve deck and is provided with rack,
Motor and train of reduction gears, the input terminal of the output shaft of the motor and the train of reduction gears are respectively arranged in the valve seat
It is sequentially connected；
Be provided with fast shutting mechanism between the train of reduction gears and the rack, the fast shutting mechanism include from bottom to top according to
Driving cam, lifter cam, the first bevel gear and the second bevel gear of secondary setting, the driving cam are set to the reducing gear
The upper end of the output end of wheel group, the driving cam is equipped with the first cam arcwall face, and the lower end of the lifter cam is equipped with and institute
The second cam arcwall face of the first cam arcwall face cooperation is stated, is additionally provided in the valve seat and is led with what the lifter cam coordinated
To mechanism, the guiding mechanism for making the lifter cam relative to driving cam lifting moving, first bevel gear with
The lifter cam is fixedly connected, and second bevel gear is fixedly connected with the driving gear engaged with the rack, the liter
It is provided with resetting spring between the upper end and the valve deck of drop cam；
When the motor provides valve opening driving, the train of reduction gears drives the driving cam to rotate forward, and described first
Cam arc applies axial thrust towards the second cam arcwall face, and the lifter cam is forced to drive first bevel gear
It is moved up relative to the driving cam, so that first bevel gear is engaged with second bevel gear；When the motor provides
When closing valve driving, the train of reduction gears drives the driving cam reversion, under the action of the resetting spring, the lifting
First bevel gear described in cam driven is moved down relative to the driving cam, so that first bevel gear and second umbrella tooth
Wheel disengages.
Further, first partition and second partition, the motor installing are disposed in the valve seat from top to bottom
Between the bottom of the valve seat and the second partition, the train of reduction gears is installed in the first partition and described second
Between partition board, the fast shutting mechanism is installed between the valve deck and the first partition.
Further, the first installation axle and the second installation axle, the train of reduction gears packet are respectively arranged in the valve seat
The one-stage gear engaged successively, secondary gear, tertiary gear and level Four gear are included, the one-stage gear is fixed on the motor
On output shaft, the secondary gear, the level Four gear are set in turn in from bottom to top in first installation axle, the three-level
Gear is set in second installation axle, and the driving cam is fixedly connected on the center of the level Four gear.
Further, the inner top of the valve deck is fixed with installation set, the installation set, first bevel gear, described
Lifter cam, the driving cam and the resetting spring are sheathed in first installation axle, the second bevel gear dress
In the installation set.
Further, the guiding mechanism includes thrust spring and steel ball, and the thrust spring level is installed in described
On one partition board, the thrust spring is abutted with the steel ball, and the periphery wall of the lifter cam is provided with several and steel ball
The vertical slot of cooperation, the thrust spring make the steel ball have the movement tendency for snapping into the vertical slot always.
Further, sliding slot is vertically provided on the valve rod, the valve deck is provided with to be slid with the sliding slot
The draw runner of cooperation.
Further, the driving cam is respectively equipped with the first backstop of the low level positioned at the first cam arcwall face
Face, the second high-order stop surface positioned at the first cam arcwall face, the lifter cam are respectively equipped with positioned at described second
The third stop surface of the low level of cam arcwall face, the 4th high-order stop surface positioned at the second cam arcwall face, described the
One stop surface and the third stop surface counter stopper, second stop surface and the 4th stop surface counter stopper.
Further, the lifter cam is integrated into first bevel gear.
Further, second bevel gear is integrated into the driving gear.
Further, the valve deck diametrically cumulative horn-like setting from top to bottom.
The beneficial effects of the utility model are：Quick closing valve motor valve, works as electricity built in intelligent gas meter provided by the utility model
When machine provides valve opening driving, motor drives driving cam to rotate forward by train of reduction gears, and the first cam arc is towards the second cam
Arcwall face applies upward axial thrust, under the mating reaction of guiding mechanism so that lifter cam drives the first bevel gear phase
Driving cam is moved up, the first bevel gear is forced to be engaged with the second bevel gear, at this time the first bevel gear, lifter cam stop on
It moves, driving cam drives lifter cam to rotate by the first cam arcwall face, the second cam arcwall face, and the first bevel gear also synchronizes
Rotation makes spool be moved down with valve rod, air inlet is led with gas outlet by the second bevel gear by driving gear driving rack to move down
It is logical, realize valve opening action；When motor, which provides, closes valve driving, train of reduction gears drives driving cam reversion, the first cam arc
Thrust in face of the second cam arcwall face disappears, and under the action of resetting spring, lifter cam drives the first bevel gear to move down, and makes
The disengagement of the first bevel gear and the second bevel gear, the linkage event resolves between the first bevel gear and the second bevel gear, at this time the
One bevel gear dallies with motor, and spool then moves up rapidly reset under the action of valve core spring, and gas outlet seal is realized fast
Quick-closing valve acts.
In conclusion compared with prior art, the utility model is by using by driving cam, lifter cam, the first umbrella
The fast shutting mechanism that gear, the second bevel gear, driving gear and resetting spring cooperation are constituted, not only structure is more simple, installation
It is more convenient, and be hardly damaged when work, service life is longer.In addition, the fast shutting mechanism of the utility model is due to being to use
Linear linkage structure from bottom to top, thus transmission efficiency higher, working performance are more stable reliable.
Description of the drawings
Fig. 1 is the overall structure diagram of the utility model.
Fig. 2 is the structural schematic diagram of the utility model valve deck.
Fig. 3 is the structural schematic diagram of the fast shutting mechanism of the utility model.
Fig. 4 is the structural schematic diagram of the utility model driving cam.
Fig. 5 is the structural schematic diagram of the utility model lifter cam.
Fig. 6 is the assembling structure schematic diagram of the utility model guiding mechanism.
In Fig. 1-6：1, valve body；11, air inlet；12, gas outlet；2, valve seat；21, first partition；22, second partition；23、
First installation axle；3, valve deck；31, draw runner；4, spool；5, valve rod；51, rack；52, sliding slot；6, valve core spring；7, motor；81、
One-stage gear；82, secondary gear；83, tertiary gear；84, level Four gear；91, driving cam；911, the first cam arcwall face；
912, the first stop surface；913, the second stop surface；92, lifter cam；921, the second cam arc surface；922, third stop surface；
923, the 4th stop surface；924, vertical slot；93, the first bevel gear；94, the second bevel gear；95, resetting spring；96, installation set；97、
Drive gear；101, thrust spring；102, steel ball.
Specific implementation mode
The utility model will be further described below with reference to the accompanying drawings.
Quick closing valve motor valve built in a kind of intelligent gas meter as shown in Figures 1 to 6, including valve body 1, valve seat 2 and valve deck 3,
Valve body 1 is fixedly connected with valve seat 2, and 3 sealed set of valve deck is between valve body 1 and valve seat 2, it is preferable that improve the utility model
Internal installation space, the diametrically cumulative horn-like setting from top to bottom of valve deck 3.It is respectively equipped with air inlet 11 on valve body 1 and goes out
Gas port 12, is respectively arranged in valve body 1 and the spool 4 of the sealing cooperation of gas outlet 12, the valve rod 5 that is fixedly connected with spool 4, spool
It is supported between 4 and valve deck 3 and is equipped with valve core spring 6, the bottom end of valve rod 5 passes through valve deck 3 and is provided with rack 51, it is preferable that on valve rod 5
It is vertically provided with sliding slot 52, valve deck 3 is provided with the draw runner 31 with the sliding cooperation of sliding slot 52, utilizes sliding slot 52 and draw runner 31
It cooperates, to improve the stability of 5 lifting moving of valve rod.
Motor 7 and train of reduction gears, the output shaft of motor 7 and the input terminal of train of reduction gears are respectively arranged in valve seat 2
It is sequentially connected.In the present embodiment, it is respectively arranged with the first installation axle 23 in valve seat 2 and the second installation axle, train of reduction gears include
One-stage gear 81, secondary gear 82, tertiary gear 83 and the level Four gear 84 engaged successively, one-stage gear 81 are fixed on motor 7
Output shaft on, secondary gear 82, level Four gear 84 are set in turn in from bottom to top in the first installation axle 23, and tertiary gear 83 is set
It is placed in the second installation axle.It is driven by using level Four so that the utility model output torque bigger, working performance are more stable
Reliably.
It is provided with fast shutting mechanism between train of reduction gears and rack 51, in the present embodiment, is set successively from top to bottom in valve seat 2
It is equipped with first partition 21 and second partition 22, motor 7 is installed between the bottom of valve seat 2 and second partition 22, train of reduction gears
It is installed between first partition 21 and second partition 22, fast shutting mechanism is installed between valve deck 3 and first partition 21.By using
The mounting structure of upper, middle and lower so that the utility model integral layout is more reasonable, and installation is more compact.
Fast shutting mechanism includes the driving cam 91 set gradually from bottom to top, lifter cam 92, the first bevel gear 93 and the
Two bevel gears 94, driving cam 91 are set to the output end of train of reduction gears, specifically, driving cam 91 is fixedly connected on four
The center of grade gear 84 drives driving cam 91 to rotate synchronously by level Four gear 84.
The upper end of driving cam 91 is equipped with the first cam arcwall face 911, and the lower end of lifter cam 92 is equipped with and the first cam
The second cam arcwall face 921 that arcwall face 911 coordinates.For the linkage effect for improving between driving cam 91 and lifter cam 92,
To ensure that the Stability and dependability of utility model works performance, driving cam 91 are respectively equipped with positioned at the first cam arcwall face
First stop surface 912 of 911 low level, the second high-order stop surface 913 positioned at the first cam arcwall face 911, lifter cam
92 are respectively equipped with the third stop surface 922 of the low level positioned at the second cam arcwall face 921, positioned at the second cam arcwall face 921
The 4th high-order stop surface 923, the first stop surface 912 and 922 counter stopper of third stop surface, the second stop surface 913 and the 4th
923 counter stopper of stop surface.
First bevel gear 93 is fixedly connected with lifter cam 92, in the present embodiment, lifter cam 92 and the first bevel gear 93
It being integrated into, the second bevel gear 94 is fixedly connected with the driving gear 97 engaged with rack 51, in the present embodiment, the second umbrella tooth
Wheel 94 is integrated into driving gear 97, and resetting spring 95 is provided between the upper end and valve deck 3 of lifter cam 92.This implementation
In example, the inner top of valve deck 3 is fixed with installation set 96, installation set 96, the first bevel gear 93, lifter cam 92, driving cam 91
And resetting spring 95 is sheathed in the first installation axle 23, the second bevel gear 94 is installed in installation set 96, easy for installation, and is risen
Concentricity higher of the cam 92 in lifting moving drops.
The guiding mechanism coordinated with lifter cam 92 is additionally provided in valve seat 2, guiding mechanism is for making 92 phase of lifter cam
For 91 lifting moving of driving cam, specifically, guiding mechanism includes thrust spring 101 and steel ball 102, thrust spring 101
Level is installed in first partition 21, and thrust spring 101 is abutted with steel ball 102, and the periphery wall of lifter cam 92 is provided with several
The vertical slot 924 coordinated with steel ball 102, thrust spring 101 make steel ball 102 have the movement tendency for snapping into vertical slot 924 always.It passes
Moving cam 91 rotate forward when, under the mating reaction of thrust spring 101, steel ball 102 and vertical slot 924, the first cam arcwall face 911 to
The circumferential active force that second cam arcwall face 921 applies can be converted into axial thrust, and lifter cam 92 is promoted to move up vertically；
Similarly, when driving cam 91 inverts, under the mating reaction of thrust spring 101, steel ball 102 and vertical slot 924, resetting spring 95
Lifter cam 92 can be forced to move down vertically.
Quick closing valve motor valve built in intelligent gas meter provided by the utility model, when motor 7 provides valve opening driving, motor 7
Driving cam 91 is driven to rotate forward by train of reduction gears, the first cam arcwall face 911 applies upwards to the second cam arcwall face 921
Axial thrust, under the mating reaction of guiding mechanism so that lifter cam 92 drive the first bevel gear 93 relative to be driven it is convex
Wheel 91 moves up, and the first bevel gear 93 is forced to be engaged with the second bevel gear 94, at this time the first bevel gear 93, in the stopping of lifter cam 92
It moves, driving cam 91 drives lifter cam 92 to rotate by the first cam arcwall face 911, the second cam arcwall face 921, the first umbrella
Gear 93 also rotates synchronously, and by the second bevel gear 94 by driving 97 drive rack 51 of gear to move down, makes spool 4 under valve rod 5
It moves, air inlet 11 is connected with gas outlet 12, realizes valve opening action；When motor 7, which provides, closes valve driving, train of reduction gears driving passes
Moving cam 91 inverts, and the first cam arcwall face 911 disappears to the thrust of the second cam arcwall face 921, in the work of resetting spring 95
Under, lifter cam 92 drives the first bevel gear 93 to move down so that the first bevel gear 93 and the second bevel gear 94 disengage, the first umbrella
Linkage event resolves between gear 93 and the second bevel gear 94, the first bevel gear 93 dallies with motor 7 at this time, and spool 4 is then
Reset is moved up rapidly under the action of valve core spring 6, gas outlet 12 is sealed, and is realized and is quickly closed valve events.
The above description is only a preferred embodiment of the present invention, therefore all according to described in the utility model patent application range
The equivalent change or modification done of structure, feature and principle, be included in the scope of the utility model patent application.
Claims (10)
1. quick closing valve motor valve built in a kind of intelligent gas meter, including valve body, valve seat and valve deck, the valve body are fixed with the valve seat
Connection, the valve bonnet seal are set between the valve body and the valve seat, and air inlet and outlet are respectively equipped on the valve body
Mouthful, it is respectively arranged with the spool coordinated with the gas outlet seal, the valve rod being fixedly connected with the spool, institute in the valve body
It states to support between spool and the valve deck and is equipped with valve core spring, the bottom end of the valve rod passes through the valve deck and is provided with rack, institute
It states and is respectively arranged with motor and train of reduction gears in valve seat, the output shaft of the motor and the input terminal of the train of reduction gears pass
Dynamic connection, it is characterised in that：
Fast shutting mechanism is provided between the train of reduction gears and the rack, the fast shutting mechanism includes setting successively from bottom to top
Driving cam, lifter cam, the first bevel gear and the second bevel gear set, the driving cam are set to the train of reduction gears
Output end, the upper end of the driving cam is equipped with the first cam arcwall face, and the lower end of the lifter cam is equipped with and described the
Second cam arcwall face of one cam arcwall face cooperation, is additionally provided with the Guiding machine coordinated with the lifter cam in the valve seat
Structure, the guiding mechanism for making the lifter cam relative to driving cam lifting moving, first bevel gear with it is described
Lifter cam is fixedly connected, and second bevel gear is fixedly connected with the driving gear engaged with the rack, and the lifting is convex
It is provided with resetting spring between the upper end of wheel and the valve deck；
When the motor provides valve opening driving, the train of reduction gears drives the driving cam to rotate forward, first cam
Arc applies axial thrust towards the second cam arcwall face, and the lifter cam is forced to drive first bevel gear opposite
It is moved up in the driving cam, so that first bevel gear is engaged with second bevel gear；Valve is closed when the motor provides
When driving, the train of reduction gears drives the driving cam reversion, under the action of the resetting spring, the lifter cam
First bevel gear is driven to be moved down relative to the driving cam, so that first bevel gear is de- with second bevel gear
It opens.
2. quick closing valve motor valve built in intelligent gas meter according to claim 1, it is characterised in that：In the valve seat from upper and
Under be disposed with first partition and second partition, the motor be installed in the valve seat bottom and the second partition it
Between, the train of reduction gears is installed between the first partition and the second partition, and the fast shutting mechanism is installed in described
Between valve deck and the first partition.
3. quick closing valve motor valve built in intelligent gas meter according to claim 1 or 2, it is characterised in that：Divide in the valve seat
Be not provided with the first installation axle and the second installation axle, the train of reduction gears include the one-stage gear engaged successively, secondary gear,
Tertiary gear and level Four gear, the one-stage gear are fixed on the output shaft of the motor, the secondary gear, the level Four
Gear is set in turn in from bottom to top in first installation axle, and the tertiary gear is set in second installation axle, institute
State the center that driving cam is fixedly connected on the level Four gear.
4. quick closing valve motor valve built in intelligent gas meter according to claim 3, it is characterised in that：The inner top of the valve deck
It is fixed with installation set, the installation set, first bevel gear, the lifter cam, the driving cam and the reset bullet
Spring is sheathed in first installation axle, and second bevel gear is installed in the installation set.
5. quick closing valve motor valve built in intelligent gas meter according to claim 2, it is characterised in that：The guiding mechanism includes
Thrust spring and steel ball, the thrust spring level are installed in the first partition, and the thrust spring is supported with the steel ball
It connects, the periphery wall of the lifter cam is provided with several vertical slots with steel ball cooperation, and the thrust spring makes the steel ball
Always there is the movement tendency for snapping into the vertical slot.
6. quick closing valve motor valve built in intelligent gas meter according to claim 1, it is characterised in that：The valve rod upper edge is vertical
Direction is provided with sliding slot, and the valve deck is provided with the draw runner with sliding slot sliding cooperation.
7. quick closing valve motor valve built in intelligent gas meter according to claim 1, it is characterised in that：The driving cam difference
The first stop surface equipped with the low level positioned at the first cam arcwall face, positioned at high-order the of the first cam arcwall face
Two stop surfaces, the lifter cam are respectively equipped with the third stop surface of the low level positioned at the second cam arcwall face, are located at institute
State the 4th high-order stop surface of the second cam arcwall face, first stop surface and the third stop surface counter stopper, institute
State the second stop surface and the 4th stop surface counter stopper.
8. quick closing valve motor valve built in intelligent gas meter according to claim 1, it is characterised in that：The lifter cam and institute
The first bevel gear is stated to be integrated into.
9. quick closing valve motor valve built in the intelligent gas meter according to claim 1 or 8, it is characterised in that：Second umbrella tooth
Wheel is integrated into the driving gear.
10. quick closing valve motor valve built in intelligent gas meter according to claim 1, it is characterised in that：The valve deck from upper and
Under diametrically cumulative horn-like setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721146420.6U CN207701899U (en) | 2017-09-08 | 2017-09-08 | Quick closing valve motor valve built in a kind of intelligent gas meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721146420.6U CN207701899U (en) | 2017-09-08 | 2017-09-08 | Quick closing valve motor valve built in a kind of intelligent gas meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207701899U true CN207701899U (en) | 2018-08-07 |
Family
ID=63020995
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721146420.6U Withdrawn - After Issue CN207701899U (en) | 2017-09-08 | 2017-09-08 | Quick closing valve motor valve built in a kind of intelligent gas meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207701899U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107345595A (en) * | 2017-09-08 | 2017-11-14 | 宁波万诺宝通机电制造有限公司 | Quick closing valve motor valve built in a kind of intelligent gas meter |
-
2017
- 2017-09-08 CN CN201721146420.6U patent/CN207701899U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107345595A (en) * | 2017-09-08 | 2017-11-14 | 宁波万诺宝通机电制造有限公司 | Quick closing valve motor valve built in a kind of intelligent gas meter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180807 Effective date of abandoning: 20230613 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20180807 Effective date of abandoning: 20230613 |