CN208765780U - A kind of crank gear crank length adjustable structure of gas meter, flow meter - Google Patents
A kind of crank gear crank length adjustable structure of gas meter, flow meter Download PDFInfo
- Publication number
- CN208765780U CN208765780U CN201821363584.9U CN201821363584U CN208765780U CN 208765780 U CN208765780 U CN 208765780U CN 201821363584 U CN201821363584 U CN 201821363584U CN 208765780 U CN208765780 U CN 208765780U
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- China
- Prior art keywords
- crank
- receiving block
- connecting column
- panel
- mounting post
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- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 230000033001 locomotion Effects 0.000 description 7
- 238000005259 measurement Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
Abstract
The utility model relates to gas meter, flow meter key components and parts manufacturing technology fields, it is concretely a kind of crank gear crank length adjustable structure of gas meter, flow meter, mainly by panel, mounting post, receiving block, meshing gear composition, the top of mounting post is fixed on the center of panel lower surface, the outside for being centered around the top of mounting post is equipped with a circle meshing gear, the upper surface of panel is fixed with receiving block, the receiving block is hollow, and its top surface center is provided with one of elongated slot, the surface of long groove on both sides is equipped with engaging tooth one, crank connecting column is installed in the receiving block, the bottom end of the crank connecting column is plugged in elongated slot, the lower surface of disk on crank connecting column is equipped with the engaging tooth two that can be meshed with engaging tooth one.The utility model can make up relative angle deviation after rocking bar and swing rod riveting, so that machine core is run smoothly, at the uniform velocity, improve measuring accuracy.
Description
Technical field
The utility model relates to gas meter, flow meter key components and parts manufacturing technology fields, are concretely a kind of gas meter, flow meters
Crank gear crank length adjustable structure.
Background technique
Diaphragm gas meter is pressure difference using gas in table body in flow process as power, by valve seat, valve deck
Relative position controls the distribution of gas flow.The bellows of gas meter, flow meter is made of identical two gas measurement rooms in left and right, each
Gas measurement room is classified as two identical small measurement rooms by a soft diaphragm.When the gas of distribution sequentially enters four
Small measurement room pushes diaphragm freely to swing, and the movement of diaphragm unit drives link mechanism dual-crank-rocker mechanism by rocking bar
And so that valve deck is made rotating motion and successively inflate and be vented to control each measuring room, make the continuous shuttling movement of gas meter, flow meter, connects simultaneously
The eccentric rotary gear of linkage drives mechanical unidirectional counter to count by the transmission of gear, shows eventually by counter
The capacity of gas meter, flow meter.
Since the precision of product and tooling influences when diaphragm gas meter rocking bar and swing rod rivet, relative angle is inclined after riveting
Difference, when causing the machine core to run not at the uniform velocity, reduce measuring accuracy, and control the exactly crank gear of rocking bar movement, therefore from control
The crank length of crank gear sets out, and can also reduce the error of rocking bar and swing rod movement.
Design thus a kind of adjustable length crank structure be very it is necessary to.
Summary of the invention
The utility model breaches the problem of the prior art, devises a kind of crank structure of adjustable length.
In order to achieve the above object, the utility model devises a kind of adjustable knot of crank gear crank length of gas meter, flow meter
Structure, including crank body, it is characterised in that: the crank body is mainly made of panel, mounting post, receiving block, meshing gear,
The top of mounting post is fixed on the center of panel lower surface, and the outside for being centered around the top of mounting post is equipped with a circle engaging tooth
Wheel, the upper surface of panel are fixed with receiving block, and the receiving block is hollow, and its top surface center is provided with one of elongated slot, elongated slot
The surface of two sides is equipped with engaging tooth one, is equipped with crank connecting column in the receiving block, the bottom end of the crank connecting column plugs
In elongated slot, the lower surface of the disk on crank connecting column is equipped with the engaging tooth two that can be meshed with engaging tooth one.
The crank body is integrally formed body.
Compared with prior art, the meshing gear on crank is meshed the utility model with the gear in gas meter, flow meter, works as combustion
When gas meter is run, torque is transmitted to rocking bar by crank connecting column by meshing gear throw crank movement, crank, then is transmitted
Onto swing rod, since crank connecting column opposing cranks can be moved forward and backward, it can change the length of the arm of force, so as to right
Torque is adjusted, and because crank connecting column length be it is fixed, crank connecting column is in the load for being transmitted to rocking bar
Size is transformable, so that corresponding change can occur for the angle of swing rod, makes up relative angle after rocking bar and swing rod riveting
Deviation makes machine core run smoothly, at the uniform velocity, improves measuring accuracy.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the position installation diagram of the utility model in specific implementation.
Specific embodiment
The utility model is described further in conjunction with attached drawing.
Referring to Fig. 1, the utility model devises a kind of crank gear crank length adjustable structure of gas meter, flow meter, including crank
Ontology, the crank body 6 are mainly made of panel 1, mounting post 2, receiving block 3, meshing gear 4, and the top of mounting post 2 is fixed
In the center of 1 lower surface of panel, the outside for being centered around the top of mounting post 2 is equipped with a circle meshing gear 4, the upper table of panel 1
Face is fixed with receiving block 3, and the receiving block 3 is hollow, and its top surface center is provided with one of elongated slot, and the surface of long groove on both sides is set
There is engaging tooth one, crank connecting column 5 is installed in the receiving block 3, the bottom end of the crank connecting column 5 is plugged in elongated slot,
The lower surface of disk on crank connecting column 5 is equipped with the engaging tooth two that can be meshed with engaging tooth one.
Crank body 6 is integrally formed body in the utility model, avoid generation part during use loosen or
The case where falling, and avoid when transmission force there is a situation where stress concentrate.
Referring to fig. 2, in specific implementation, the meshing gear on crank is meshed with the gear in gas meter, flow meter, works as gas meter, flow meter
When operation, power is transmitted to rocking bar by crank connecting column by meshing gear throw crank movement, crank, then is transmitted to swing rod
On, since crank connecting column opposing cranks can be moved forward and backward, it can change the length of the arm of force, so as to torque into
Row adjustment, and because crank connecting column length be it is fixed, crank connecting column is in the magnitude of load for being transmitted to rocking bar
It is transformable, so that corresponding change can occur for the angle of swing rod, relative angle deviation after rocking bar and swing rod riveting is made up, is made
Machine core runs smoothly, at the uniform velocity, improves measuring accuracy.
Claims (2)
1. a kind of crank gear crank length adjustable structure of gas meter, flow meter, including crank body, it is characterised in that: the crank sheet
Body (6) is mainly made of panel (1), mounting post (2), receiving block (3), meshing gear (4), and the top of mounting post (2) is fixed on
The center of panel (1) lower surface, the outside for being centered around the top of mounting post (2) are equipped with circle meshing gear (4), panel (1)
Upper surface is fixed with receiving block (3), and the receiving block (3) is hollow, and its top surface center is provided with one of elongated slot, long groove on both sides
Surface be equipped with engaging tooth one, be equipped with crank connecting column (5) on the receiving block (3), the bottom end of the crank connecting column (5)
It is plugged in elongated slot, the lower surface of the disk on crank connecting column (5) is equipped with the engaging tooth two that can be meshed with engaging tooth one.
2. a kind of crank gear crank length adjustable structure of gas meter, flow meter according to claim 1, it is characterised in that: described
Crank body (6) is integrally formed body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821363584.9U CN208765780U (en) | 2018-08-23 | 2018-08-23 | A kind of crank gear crank length adjustable structure of gas meter, flow meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821363584.9U CN208765780U (en) | 2018-08-23 | 2018-08-23 | A kind of crank gear crank length adjustable structure of gas meter, flow meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208765780U true CN208765780U (en) | 2019-04-19 |
Family
ID=66132472
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821363584.9U Active CN208765780U (en) | 2018-08-23 | 2018-08-23 | A kind of crank gear crank length adjustable structure of gas meter, flow meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208765780U (en) |
-
2018
- 2018-08-23 CN CN201821363584.9U patent/CN208765780U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: No. 800 Songda Road, Qingpu District, Shanghai, 201799 Patentee after: ZENNER Metering Technology (Shanghai) Ltd. Country or region after: China Address before: No. 433, SONGHUANG Road, Qingpu District, Shanghai, 201703 Patentee before: ZENNER Metering Technology (Shanghai) Ltd. Country or region before: China |