CN207456530U - Sliding cover type gas meter - Google Patents
Sliding cover type gas meter Download PDFInfo
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- CN207456530U CN207456530U CN201721571336.9U CN201721571336U CN207456530U CN 207456530 U CN207456530 U CN 207456530U CN 201721571336 U CN201721571336 U CN 201721571336U CN 207456530 U CN207456530 U CN 207456530U
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- upper cover
- wheel
- slip lid
- driving
- gas
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Abstract
The utility model discloses a kind of sliding cover type gas meters, solve the problems, such as that existing gauge table is relatively poor to the metering accuracy of gas flow, including core body, the upper end of core body is equipped with slide, it is set on slide there are two slip lid, a slip lid corresponds to a gas port, upper cover is fixed on slide, two drive gears are rotatably provided on the inner surface of upper cover, a drive gear is for one slip lid action of driving；Driving gear is rotatably provided on the inside of upper cover on core body, driving gear is meshed with two drive gears, the outside of upper cover is equipped with connecting wheel, connecting wheel is coaxially linked together with driving gear, intermediate gear is coaxially equipped between connecting wheel and driving gear, connecting column is prejudicially equipped on connecting wheel, connecting column is connected respectively with the upper end of two toggles by connecting rod and is connected together；The counting transmission device of monoblock type is connected in upper cover, counts transmission device and intermediate gear driving coupling.
Description
Technical field
The utility model is related to profits in a kind of gas meter for being measured to gas flow, particularly core body
The gas meter for being covered or being disengaged to gas port with slip lid.
Background technology
Chinese invention patent application（Application number：201510662805.7）In disclose a kind of gas flow meter, solve
The problem of existing gas flow meter metering sensitivity is relatively poor, the technical measures taken：A kind of gas flow meter, including machine
Core, is equipped with two air cavitys spaced apart from each other in core body, and two air cavitys are opened on core body upper end, valve is equipped in air cavity
Film, valve are connected with being plugged on the inner end of the in vivo toggle of movement, and the outer end of toggle reaches the outside of core body, toggle
Outer end be fixed with yaw, which is characterized in that set on the upper end of core body there are two slip lid, the yaw on two toggles point
Be not connected with two slip lids, under the drive of yaw, two slip lids for the opening that alternately covers two air cavitys respectively or with
The opening of two air cavitys alternately disengages；Yaw is split structure, including body and the secondary head that can be replaced, the connection on secondary head
Junctor is used for and slip lid driving coupling, and there is deviation in the position of the connected body on different pair heads, utilizes the position of connected body on secondary head
Deviation makes up the driving error between yaw and slip lid.
The upper-end structure of core body in this gas meter is relatively complicated, and inconvenience is realized to corresponding component
Assembling, is also easy to produce installation error, and influences whether metering accuracy of the gauge table to gas flow.
Utility model content
The utility model technical issues that need to address are：There is provided a kind of sliding cover type gas meter, machine in the gauge table
The structural compactness of core is good, convenient for assembly, high to the count accuracy of gas flow.
To solve the technical problem, technical solution adopted in the utility model：A kind of sliding cover type gas meter, bag
Core body is included, is set in core body there are two the air cavity that separates, set film valve is respectively with being inserted into core body in two air cavitys
Two interior toggles are connected；Slide is equipped in the upper end of core body, sets that there are two the gas communicated respectively with two air cavitys on slide
Mouthful, it is set on slide there are two slip lid, a slip lid corresponds to a gas port, and two slip lids cover two gas ports or with two for staggering
Gas port disengages, which is characterized in that and upper cover is fixed on slide, two drive gears are rotatably provided on the inner surface of upper cover,
One drive gear is for one slip lid action of driving；Driving gear is rotatably provided on the inside of upper cover on core body, it is main
Moving gear is meshed with two drive gears, and the outside of upper cover is equipped with connecting wheel, and connecting wheel is coaxially connected in driving gear
Together, intermediate gear is coaxially equipped between connecting wheel and driving gear, connecting column, connecting column are prejudicially equipped on connecting wheel
It is connected and is connected together with the upper end of two toggles respectively by connecting rod；The counting transmission device of monoblock type is connected in upper cover, meter
Number transmission device and intermediate gear driving coupling.
In this gage surface, slip lid is used to cover gas port or disengage, and gas is made to enter in air cavity or makes gas certainly
The air outlet pipe that is entered in air cavity on core body and be transported at user, for users to use.In gas into and out of the mistake of core body
The thrust of gas is utilized in journey, by a series of transmission, drives and counts drive, measuring instrument is with counting transmission dress
Driving coupling is put, and then realizes the metering to gas flow.
Further, counting transmission device includes being fixed in upper cover, coupling in the coupling tunnel of horizontal setting, coupling tunnel
Coaxial transmission connection has a wheel for inputting and output wheel respectively on the outside of the both ends of cylinder, on the outer end face of wheel for inputting along the circumferential direction one into
Type is disposed with several driving columns, and driving column is meshed with intermediate gear.The counting transmission structures compactedness of this monoblock type
It is good, due to being the independent processing and assembling for carrying out component, can ensure the accuracy of rigging position well, convenient for error into
Row control.
Further, coupling tunnel radial direction opposite sides respectively integrally formed with a gusset piece, gusset piece is used for
It is bonded and fixes with upper cover.Realize the fixation between coupling tunnel and upper cover by forming gusset piece, ensure that coupling tunnel with it is upper
Connection fastness between cover so that the radial stability of coupling tunnel in itself is good, and the stable drive to count transmission device provides
Good basis.
Further, gusset piece close to output wheel at one end integrally formed with connection seat, be equipped with and make on connection seat
Unidirectional cutoff structure on output wheel, output wheel to be prevented to rotate backward.The immobilizing foundation one of unidirectional cutoff structure
It is molded over gusset piece so that the positional stability of unidirectional cutoff structure in itself is good, can steadily make convenient for unidirectional cutoff structure
For output wheel, make the good operating stability of output wheel.
Further, the counting transmission device is two sets, and two sets count radial direction point row of the transmission device along intermediate gear
Opening is equipped at the opposite sides of intermediate gear, the output wheel counted in upper cover respectively at two sets in transmission device.This is opened
Gas outside confession core body is entered in air cavity, moreover, opening can also provide the installation position of output wheel, convenient for output wheel
Setting so that the structural compactness of core body is good, and the flowing of output wheel and gas can interact, and cause air inlet it is smooth
Property is good, can effectively ensure that the metering accuracy to gas.
Further, edge forms a pair of parallel, interval setting in the direction of motion of slip lid on slip lid upper surface
Raised line, guide rod passes through the root of raised line with gap, and the both ends of guide rod are bridged in upper cover respectively, and two are equipped on slip lid
To limited post, guide rod is plugged on gap between two paired limited posts.Matching relationship between slip lid and guide rod, makes
The transmission smoothness obtained between slip lid and guide rod is good, and the positional stability of slip lid on the guide bar is good.
Further, it is integrally formed on slip lid integrally formed with the lifting piece in Jiong shape, limited post in lifting on piece.It is logical
Setting lifting piece is crossed, and to be configured limited post so that the positional stability of limited post is good.
Further, on the lateral surface of slide integrally formed with Z-shaped connected body, in connection position on upper cover lateral surface
Place is put integrally formed with plate, plate fitting is fixed on the upper surface of connected body.By setting plate and connected body,
It can realize the fixation between upper cover and slide, facilitate and be connected and fixed to upper cover.
Therefore, the beneficial effects of the utility model：By the way that connecting wheel, driving gear and intermediate gear are coaxially attached to
Together, their threes can integrally prepare shaping so that transmission stability and structural compactness are good.It is set in the upper end of core body
There is slide, several main transmission gears are wrapped between upper cover and slide by setting upper cover, the transmission between gear
Stability is good, convenient for the movement smoothness of related actionable component in gauge table so that after gas flows through gauge table, gauge table pair
The pressure influence of gas is small.Counting transmission device is directly arranged to a monolithic construction, convenient for counting transmission device
It prepares and assembling, it is good to count the structural compactness of transmission device, and accurate measurement of the gauge table to gas flow can be effectively ensured
Property.The setting purpose of gauge table is the accurate metering to gas flow, the mistake on metering is brought due to corresponding component is worn
When poor, by providing for simple replacement of counting transmission device the metering accuracy of gauge table can be made to recover again, it is whole without replacing
Gauge table, facilitates operation, saves use cost.
Description of the drawings
Fig. 1 is the three-dimensional structure diagram of this gas meter core body.
Fig. 2 is the structure chart after this gas meter core body removal upper cover.
Fig. 3 is the top view of the connecting relation between this gas meter middle gear and slip lid.
Fig. 4 is the stereogram of the connecting relation between this gas meter middle gear and slip lid.
Fig. 5 is the stereogram that transmission device is counted in this gas meter.
Specific embodiment
See in figure, the agent structure of this sliding cover type gas meter is core body 1, sets that there are two separate in core body 1
The air cavity opened is both provided with film valve in two air cavitys.Film valve is thin-walled rubber structure, and film valve is in hood-like, is in air cavity intimal flap
Arch.Two two toggles 8 being set up in parallel are equipped on core body 1, the inner end of toggle 8 is extend into air cavity, the inner end of toggle 8
The bottom position of film valve is connected in by plate body, the outer end of toggle 8 is located at the upside of core body 1.It is set on core body 1
After thering is air outlet pipe 7, gas to enter in the air cavity in core body 1, and 1 outside of core body is flowed out to from air outlet pipe 7, in gas
In flow process, flow is measured.
Slide 2 is equipped in the upper end of core body 1, is set on slide 2 there are two the gas port communicated respectively with two air cavitys, in cunning
It is set on seat 2 there are two slip lid 10, a slip lid 10 corresponds to a gas port.It is equipped with and passes between the upper end of slip lid 10 and toggle 8
Motivation structure, under the action of transmission mechanism, two slip lids 10, which are used to stagger, to be covered two gas ports or is disengaged with two gas ports.Two slip lids 10
Operating position staggers, and is come definite, their initial assembling by the initial rigging position between two drive gears 9 and slip lid 10
Stagger in itself position.
Upper cover 3 is fixed on slide 2, two drive gears 9, a driving are rotatably provided on the inner surface of upper cover 3
Gear 9 slides for one slip lid 10 of driving on slide 2.On core body 1 driving tooth is rotatably provided in the inside of upper cover 3
Wheel 12, driving gear 12 is meshed with two drive gears 9, and the outside of upper cover 3 is equipped with connecting wheel 5, connecting wheel 5 and driving gear
12 are coaxially linked together, and intermediate gear 13, connecting wheel 5, centre are coaxially equipped between connecting wheel 5 and driving gear 12
Gear 13 and 12 three of driving gear are usually that homogeneous material is integrally formed.Connecting column 51, connection are prejudicially equipped on connecting wheel 5
Connect column 51 and be connected respectively with the upper end of two toggles 8 by connecting rod 6 and is connected together, connecting rod 6, driving gear 12, driven gear and
The above-mentioned transmission mechanism of connecting wheel 5 main composition.
Be further fixed in upper cover 3 count transmission device 4, countings transmission device 4 be monolithic construction, with upper cover 3 it
Between for split structure, count and realize driving coupling between transmission device 4 and intermediate gear 13.Transmission device 4 is counted including being in
The coupling tunnel 44 of horizontal setting, coupling tunnel 44 are fixed in upper cover 3, and coaxial transmission connection is distinguished on the outside of the both ends of coupling tunnel 44
There are wheel for inputting 41 and output wheel 46, the transmission shaft being connected as a single entity respectively with wheel for inputting 41 and output wheel 46 is coaxially attached to one
It rises, two transmission shafts are plugged in coupling tunnel 44 with gap, and the mutually close end of two transmission shafts is connected and fixed together.It is inputting
Integrally formed with several driving columns 42 on the outer end face of wheel 41, the circumferencial directions of these driving column 42 along wheel for inputting 41 is distributed on defeated
At the outer rim for entering 41 outer end faces of wheel, driving column 42 is meshed with intermediate gear 13.Foregoing connecting wheel 5 and driving gear 12 it is straight
Footpath is all higher than the diameter of intermediate gear 13, wheel for inputting 41 extend into the interval between connecting wheel 5 and driving gear 12 but with
Intermediate gear 13 is connected, wheel for inputting 41 and intermediate gear 13 to couple stability good.
44 radial direction of coupling tunnel opposite sides respectively integrally formed with a gusset piece 43, gusset piece 43 and coupling tunnel
44 is isometric, and gusset piece 43 is bonded with upper cover 3, and the fixation of gusset piece 43 and upper cover 3 is realized by rivet or fixing bolt.
In gusset piece 43 at one end of output wheel 46 is leaned on to be equipped with and act on connection seat 45 integrally formed with connection seat 45
Unidirectional cutoff structure on output wheel 46.Unidirectional cutoff structure includes unidirectional piece, and connection is hinged at the medium position of unidirectional piece
On seat 45, the outer circumferential surface of output wheel 46 is stretched in the outer end of unidirectional piece, and unidirectional limited mouth is equipped on the outer circumferential surface of output wheel 46, single
Realize that the reversion to output wheel 46 ends by the cooperation with unidirectional limited mouth to piece, to ensure to the accurate of gas dosing
Property.
The counting transmission device 4 is two sets, and two sets count transmission device 4 and are arranged on centre along the radial direction of intermediate gear 13
The opposite sides of gear 13 is equipped with opening 31 in upper cover 3 at the output wheel 46 in two sets of counting transmission devices 4, this
Two 31 supplied gas of opening are flowed into from the source of the gas in 1 outside of core body in the air cavity in core body 1.
Edge forms a pair of parallel, spaced raised line in the direction of motion of slip lid 10 on 10 upper surface of slip lid
103, the reversed column on drive gear 9 corresponding to slip lid 10 is inserted into gap in the interval between two paired raised lines 103.It leads
Pass through the root of raised line 103 with gap to bar 11, the mating part between guide rod 11 and raised line 103 is relatively fewer, Neng Gouyou
Reduce frictional force during the opposite slip between raised line 103 and guide rod 11.The both ends of guide rod 11 are bridged respectively in 3 phase of upper cover
To on the wall body of both sides, being equipped with two pairs of limited posts 102 on slip lid 10, these two pair limited post 102 is located at opposite the two of raised line 103
Side, two pairs of limited posts 102 play guide rod 11 position-limiting action, and guide rod 11 passes through two limited posts of a centering with gap
Between 102.For the weight for mitigating slip lid 10 and convenient for setting limited post 102 on slip lid 10, it is integrally formed on slip lid 10
There is the lifting piece 101 in Jiong shape, limited post 102 is integrally formed on lifting piece 101.
Upper cover 3 is equal with the cross section of both slides 2, and upper cover 3 is snapped onto on the upper surface of slide 2.To realize to upper cover 3
Fixation, integrally formed with Z-shaped connected body on the lateral surface of slide 2, on 3 lateral surface of upper cover at connection body position one
Plate is formed, plate is fixed on by fastening bolt fitting on the upper surface of connected body.
When this sliding cover type gas dosing surface works, the gas in source of the gas is entered from a gas port in corresponding air cavity,
Gas push film valve drives corresponding toggle 8 to act, another gas port is covered by corresponding slip lid 10, which passes through company
Bar 6 makes connecting wheel 5 be acted together with driving gear 12, and driving gear 12 is driven two drive gears 9, a sliding tooth
Wheel 9 makes corresponding slip lid 10, and towards the direction movement for covering gas port, another drive gear 9 makes corresponding slip lid 10 towards disengagement
The direction of gas port moves, and toggle 8 understands squeeze film valve and the gas in air cavity is made to be forced into completely from core body 1 in another air cavity
On air outlet pipe 7 in, and flow out.In this way, in cycles, the connecting column 51 of eccentric setting can act the film valve in two air cavitys
It is superimposed as counting the single-direction transmission of transmission device 4, and realizes the metering to gas flow.
The design feature of this gauge table employs the structure of three kinds of monoblock types, i.e. driving gear 12, intermediate gear 13 and connection
An entirety is formed between 5 three of cock wheel；Counting transmission device 4 is monolithic construction；Upper cover 3 is provided with, and is used for two
Drive gear 9 carries out suspension type installation.Employ the structure of these monoblock types so that convenient for the biography between corresponding transmission parts
Dynamic error is controlled, while is also allowed for assembling and replaced corresponding damaged component, is brought convenience to the application in industry.
Claims (8)
1. a kind of sliding cover type gas meter, including core body, set in core body there are two the air cavity separated, in two air cavitys
Set film valve is connected respectively with being inserted into vivo two toggle of movement；Slide is equipped in the upper end of core body, on slide
If there are two the gas ports that are communicated respectively with two air cavitys, being set on slide there are two slip lid, a slip lid corresponds to a gas port, and two
Slip lid, which is used to stagger, to be covered two gas ports or is disengaged with two gas ports, which is characterized in that upper cover, the interior table of upper cover are fixed on slide
Two drive gears are rotatably provided on face, a drive gear is for one slip lid action of driving；In upper cover on core body
Inside be rotatably provided with driving gear, driving gear is meshed with two drive gears, and the outside of upper cover is equipped with connecting wheel, connection
Cock wheel is coaxially linked together with driving gear, and intermediate gear, connection are coaxially equipped between connecting wheel and driving gear
Connecting column is prejudicially equipped on wheel, connecting column is connected respectively with the upper end of two toggles by connecting rod and is connected together；Monoblock type
It counts transmission device to be connected in upper cover, counts transmission device and intermediate gear driving coupling.
2. gas meter according to claim 1, which is characterized in that counting transmission device includes the connection in horizontal setting
Connect cylinder, coupling tunnel are fixed in upper cover, and coaxial transmission connection has wheel for inputting and output wheel respectively on the outside of the both ends of coupling tunnel, defeated
Enter along the circumferential direction to be integrally formed on the outer end face of wheel and be disposed with several driving columns, driving column is meshed with intermediate gear.
3. gas meter according to claim 2, which is characterized in that distinguish in the opposite sides of coupling tunnel radial direction
Integrally formed with a gusset piece, gusset piece is used for and upper cover fitting is fixed.
4. gas meter according to claim 3 a, which is characterized in that gusset piece is close to the at one end one of output wheel
Connection seat is formed, the unidirectional cutoff structure acted on output wheel is equipped on connection seat, output wheel to be prevented to rotate backward.
5. gas meter according to claim 4, which is characterized in that the counting transmission device is two sets, two sets of meters
The radial direction of number transmission device along intermediate gear is arranged on the opposite sides of intermediate gear, and transmission is counted respectively at two sets in upper cover
Opening is equipped at output wheel in device.
6. gas meter according to any one of claims 1 to 5, which is characterized in that along perpendicular to cunning on slip lid upper surface
A pair of parallel, spaced raised line is formed in the direction of motion of lid, guide rod passes through the root of raised line, guide rod with gap
Both ends bridge respectively in upper cover, two pairs of limited posts are equipped on slip lid, guide rod is plugged on paired two limits with gap
Between the column of position.
7. gas meter according to claim 6, which is characterized in that integrally formed with the lifting in Jiong shape on slip lid
Piece, limited post are integrally formed in lifting on piece.
8. gas meter according to claim 1, which is characterized in that integrally formed with Z-shaped on the lateral surface of slide
Connected body, be fixed on connected body integrally formed with plate, plate fitting at connection body position on upper cover lateral surface
On upper surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721571336.9U CN207456530U (en) | 2017-11-22 | 2017-11-22 | Sliding cover type gas meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721571336.9U CN207456530U (en) | 2017-11-22 | 2017-11-22 | Sliding cover type gas meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207456530U true CN207456530U (en) | 2018-06-05 |
Family
ID=62277790
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721571336.9U Active CN207456530U (en) | 2017-11-22 | 2017-11-22 | Sliding cover type gas meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207456530U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108088506A (en) * | 2017-11-22 | 2018-05-29 | 台州杜瑞仪表有限公司 | Sliding cover type gas meter |
-
2017
- 2017-11-22 CN CN201721571336.9U patent/CN207456530U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108088506A (en) * | 2017-11-22 | 2018-05-29 | 台州杜瑞仪表有限公司 | Sliding cover type gas meter |
| CN108088506B (en) * | 2017-11-22 | 2024-03-26 | 台州杜瑞仪表有限公司 | Sliding closure type gas meter |
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