CN105300465A - Gas flow meter - Google Patents
Gas flow meter Download PDFInfo
- Publication number
- CN105300465A CN105300465A CN201510663183.XA CN201510663183A CN105300465A CN 105300465 A CN105300465 A CN 105300465A CN 201510663183 A CN201510663183 A CN 201510663183A CN 105300465 A CN105300465 A CN 105300465A
- Authority
- CN
- China
- Prior art keywords
- core body
- gas meter
- meter scale
- connecting wheel
- pedestal
- 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.)
- Pending
Links
Abstract
The invention discloses a gas flow meter which solves the problem that sensitivity of an existing gas flow meter is relatively poor. The applied technical measure is that the gas flow meter comprises a machine core body, wherein two mutually separated gas chambers are disposed in the machine core body, openings of the two gas chambers are disposed in the upper end part of the machine core body, a valve is disposed in the gas chamber, the valve is connected to the inner end of a toggle inserted in the machine core body, the outer end part of the toggle is stretched out to the outer side of the machine core body, and a sway head is fixed on the outer end of the toggle. The gas flow meter is characterized in that two slide covers are disposed on the upper end part of the machine core body, the sway heads of the two toggles are respectively connected to the two slide covers, and the two slide covers are used to respectively and alternatively shield the openings of the two gas chambers or used to be separated from the openings of the two gas chambers under driving of the sway heads.
Description
Technical field
The present invention relates to a kind of gauging table for measuring gas flow.
Background technology
(patent No.: 201220161666.1) the utility model discloses a kind of gas flow meter gas off-take structure which solves escape pipe on existing gas flow meter and is connected inconvenience between movement, takies the problem in too much space outside movement Chinese utility model patent.The technical scheme taked: a kind of gas flow meter gas off-take structure, be positioned at movement and escape pipe, comprise the gas outlet communicated with distributor chamber in movement, escape pipe inside communicates with gas outlet, it is characterized in that, described escape pipe is L-shaped, is split-type structural between escape pipe and movement, be provided with interface arrangment between escape pipe and movement, this interface arrangment makes the inlet part of escape pipe be pressed on described gas outlet place.
In this utility model patent except the gas off-take structure disclosing gas flow meter, also disclose the structure on core body, be provided with separated two air cavitys mutually in this core body, these two air cavitys are all opened on the upper surface of core body.Core body upper surface is provided with hood-shaped rotary valve, and rotary valve is provided with sector open, and after the opening of this sector open and target air cavity coincides, gas can enter in target air cavity, and rotary valve can cover in another air cavity opening.On concrete structure, rotary valve is connected by connecting rod and yaw and toggle, and the valve in toggle and air cavity is connected.Enter after in air cavity at gas, gas push film lobe also drives toggle to swing, and then rotary valve is rotated on core body, the valve that the rotary valve in rotation process can be reacted in another air cavity by another sheet connecting rod and another toggle, makes the gas in this air cavity discharge outside core body.
Because rotary valve is a monomer structure, the volume of itself is relatively large, the friction force of rotary valve between rotation process and core body upper surface in addition, this makes rotary valve to seem effort when rotating, and the rotation of rotary valve is the drive disk assembly driving measuring apparatus on gauging table, when rotary valve rotates not smooth, this also can have influence on the accuracy of gauging table metering.The sensitivity of the gauging table of this structure is relatively poor, also can bring the comparatively big error in metering.
Summary of the invention
The technical issues that need to address of the present invention are: provide a kind of gas meter scale, and the metering sensitivity of this gauging table is relatively high.
For solveing the technical problem, the technical solution used in the present invention: a kind of gas meter scale, comprise core body, two air cavitys spaced apart from each other are provided with in core body, two air cavitys are all opened on core body upper end, valve is provided with in air cavity, valve is connected with the inner of the toggle be plugged in core body, the outer end of toggle reaches the outside of core body, the outer end of toggle is fixed with yaw, it is characterized in that, the upper end of core body is provided with two slip lids, yaw on two toggles is connected with two slip lids respectively, under the drive of yaw, two slip lids are used for the opening of alternately covering two air cavitys respectively, or throw off mutually with the opening of two air cavitys.A slip lid corresponds to the opening of an air cavity, two slip lids alternately, refer to that two slip lids are similar to the working result of rotary valve of the prior art, after a slip lid covers in the opening of an air cavity, another slip lid is thrown off mutually with the opening on another air cavity, so that air cavity air inlet successively.After slip lid covers target air cavity opening, the gas that the valve in this air cavity promotes in air cavity is discharged outside core body from gas off-take, and this gas off-take all communicates with two air cavitys.Spacing for slip lid, can be the chute formed between gland and pedestal described as follows, also can be the slide rail be arranged on below slip lid, also or be arranged on the position limiting structures such as limited cover on the upside of slip lid.
As preferably, be provided with neutral gear and support at the top of core body, support is provided with two transmission gears, and two transmission gears engage with neutral gear, and is actively coupled respectively with described two slip lids; Neutral gear is provided with connecting wheel coaxially, and connecting wheel eccentric position place is provided with connecting column, and two yaws are actively coupled with connecting column respectively by connecting rod.By arranging neutral gear and two transmission gears, when neutral gear rotates, two transmission gear meeting counteragents, and two slip lids reverse slide simultaneously can be made, this has adapted to the requirement that two slip lids alternately cover in air cavity opening well, and structure is simple, and functional reliability is good.
As preferably, slip lid is provided with connection slot, connection slot is along arranging perpendicular to the direction of motion of slip lid, and transmission gear is provided with reversed column prejudicially, and reversed column is plugged in connection slot with gap.Transmission gear drives the structure of slip lid action can be on slip lid, arrange some gear teeth and form the rack structure be meshed with transmission gear, is now the version of reversed column and connection slot, and this version structure is simple, can drive the action of slip lid well.
As preferably, slip lid is formed with protuberance, connection slot is molded on protuberance.This is convenient to arrange connection slot on slip lid on the one hand, is also convenient to the smooth and easy slip of slip lid simultaneously.
As preferably, support is provided with open-work in neutral gear position, described connecting wheel protrudes into the outside of support from this open-work position, and the periphery of connecting wheel is evenly equipped with the gear teeth, is arranged on being connected for the non-return device and connecting wheel limiting connecting wheel reversion on support.Be provided with non-return device and can effectively ensure rotating forward of neutral gear, in order to avoid neutral gear rotates backward the rear abatement to counted flow number, improve the job stability of gauging table and the validity of counting.
As preferably, neutral gear is the one-body molded convex body had in frustoconical on the end face of connecting wheel, and the one-body molded cylindricality inserting column having hollow on connecting wheel, inserting column grafting is engaged in the jack in convex body.Connecting wheel can be made to be on suitable height by arranging described convex body, being convenient to connecting wheel and non-return device is connected, and be convenient to being fixedly connected of connecting wheel and neutral gear.
As preferably, be provided with pedestal in core body upper end, pedestal is provided with the saturating mouth communicated with air cavity opening, and described slip lid for sliding on pedestal.The material of pedestal and slip lid is generally identical, core body arranges pedestal as the parts directly contacted with slip lid, requires low, be convenient to the smooth and easy slip of slip lid to the wearing quality of the material of core body own.
As preferably, pedestal is provided with gland, gland is closed-in construction, between gland and pedestal, be provided with chute, and the projection of slip lid side is plugged in chute with gap.Gland both can have suppression to pedestal, also can to the effect of slip lid limited location.Chute can be formed by L v notch v set on gland, also can be formed directly on gland.By arranging chute, good guide effect can be provided for the slip of slip lid on pedestal.
As preferably, have brace the bight of gland is one-body molded, core body is provided with connecting table, and brace is fixed on connecting table by gib screw.Brace is Z-shaped, and brace is equivalent to the pin of gland.Meanwhile, support is also provided with connecting pin, connecting pin and brace link together.
Therefore, beneficial effect of the present invention: replace rotary valve of the prior art with two slip lids, under the prerequisite meeting gauging table gage work, slip lid has lighter quality, is convenient to the driving of gear train to slip lid.Relative to rotary valve, the driving force of slip lid can have the larger arm of force, and this is also convenient to the driving to slip lid.And, rotary valve due to own wt, and and core body upper surface between the cause of contact area, the suffered in the course of the work resistance of rotary valve is larger.The sensitivity of gauging table is relevant with the transmission smoothness between toggle and slip lid, also instead of rotary valve just because of slip lid, the sensitive height of metering of this gauging table, is convenient to carry out accurate measurement to the flow of gas.
Accompanying drawing explanation
Fig. 1 is the dispersed texture figure of this gas meter scale.
Embodiment
See in figure, the agent structure of this gas meter scale is core body 22, and core body 22 inside is provided with two separated air cavitys 3, and these two air cavitys 3 are opened on core body 22 upper surface.These two air cavitys 3 are open state in the both sides of core body 22, are respectively arranged with a capping 1 at two open-mouths, and capping 1 is for closing the uncovered of air cavity 3.
In air cavity 3, be provided with hood-shaped valve 2, core body 22 is provided with the inner and extend into toggle 20 in air cavity 3, and toggle 20 can rotate on core body 22.Together with toggle 20 the inner is connected with the bottom of valve 2 by gusset.The outer end of toggle 20 is positioned at the outside of core body 22, is fixed with yaw 18 in the outer end of toggle 20, and one end of connecting rod 17 is hinged on yaw 18.
The upper surface of core body 22 is provided with neutral gear 11, neutral gear 11 can rotate on core body 22.The upside of neutral gear 11 is provided with connecting wheel 13 coaxially, and between connecting wheel 13 and neutral gear 11, circumference is fixing, and namely connecting wheel 13 and neutral gear 11 interlock between the two, be equivalent to cluster gear.The outer peripheral face of connecting wheel 13 is evenly equipped with some gear teeth, and connecting wheel 13 is equivalent to gear.One-body molded prejudicially on the outside surface of connecting wheel 13 have connecting column 12, and the other end of connecting rod 17 is hinged on connecting column 12.
The upper surface of core body 22 is provided with pedestal 4, and pedestal 4 is generally be fixed on the upper surface of core body 22 by gluing mode.Pedestal 4 is closed-in construction, and pedestal 4 forms mouth 5 in the opening part of air cavity 3, and opening communicates with saturating mouth 5.Two slip lids 6 are arranged on pedestal 4, under the effect of driving force, slip lid 6 can slide on pedestal 4, slip lid 6 in sliding process for hiding mouth 5 or throwing off with saturating mouth 5 phase, and during two slip lids 6 differences, each self-corresponding mouth 5 is hidden, two slip lids 6 alternately hide each self-corresponding mouth 5.Slip lid 6 is formed with protuberance, protuberance is formed with connection slot, connection slot is arranged along the direction of motion perpendicular to slip lid 6.
Movement machine is provided with gland 7 in the outside of pedestal 4, and gland 7 is closed-in construction, specifically gland 7 is formed with two respectively for the hollow space that two slip lids 6 slide.Be provided with the breach of L shape at the lateral edges place of gland 7 hollow space, breach extends along the direction of motion of slip lid 6, thus defines chute between gland 7 and pedestal 4.Slip lid 6 is arranged in the hollow space of gland 7, and the projection on slip lid 6 side is plugged in chute with gap.Four bights of gland 7 are one-body molded to be had in Z-shaped brace 19, and position corresponding on core body 22 is respectively equipped with four connecting tables, and the outer end of brace 19 is fitted on the upper surface of connecting table.
Be provided with support 10 in the outside of gland 7, four bights of support 10 are one-body molded has four to connect pin, and these four are connected pin and fit together with four braces 19 respectively with on gland 7, and are fixed together with connecting table by gib screw.The back side of support 10 upper end is provided with two transmission gears 8, and these two transmission gears 8 are all meshed with neutral gear 11.Have reversed column the eccentric position place of transmission gear 8 is one-body molded, reversed column is plugged in connection slot set on slip lid 6 with gap.Be provided with circular open-work 9 at the center position of support 10, one-body molded on the end face of neutral gear 11 towards connecting wheel 13 have convex body 14, and this convex body 14 is in frustoconical.In convex body 14, be provided with prismatic jack, one-body molded on connecting wheel 13 have prismatic inserting column, and inserting column is hollow structure, and inserting column grafting is engaged in jack.After connecting wheel 13 and neutral gear 11 are assembled together, connecting wheel 13 protrudes into the outside of support 10 from the position of open-work 9.
Be provided with non-return device joining with connecting wheel 13 over the mount 10, the structure of this non-return device comprises the runner 16 arranged rotationally over the mount 10, one-body molded on one end face of runner 16 have some meshing flakes, these meshing flakes for and the gear teeth connected on gear be meshed, connect gear to arrange rotationally over the mount 10, connect gear and be meshed with connecting wheel 13.The outer peripheral face of runner 16 is provided with angle, and the outer peripheral face of runner 16 is stretched in an end of the hinged fork 15 over the mount 10 in middle part, and this end of fork 15 is used for being connected in angle.When runner 16 rotates forward, slide in this end of fork 15 on the outer peripheral face of runner 16, and when runner 16 rotates backward, this end of fork 15 is connected in angle and limits rotating backward of runner 16.
Enter into after in air cavity 3 at the saturating mouth 5 of gas on pedestal 4, gas-powered valve 2 opens, valve 2 makes toggle 20 rotate in the process of opening by gusset, toggle 20 in rotation drives connecting wheel 13 and neutral gear 11 to rotate by connecting rod 17 simultaneously, neutral gear 11 impels two transmission gears 8 to rotate with contrary direction, impel two slip lids 6 to slide on pedestal 4 with contrary direction after two transmission gears 8 rotate, thus reach alternately to the object that saturating mouth 5 hides of two on pedestal 4.When a valve 2 is expanded under the driving of gas, a part for the power that valve 2 produces in process of expansion also can be passed on another valve 2, this another valve 2 is shunk, and the gas promoted in corresponding air cavity 3 flow out outside core body 22 in gas off-take 21.Also, in the contraction gone round and begun again at valve 2 just and process of expansion, gas had both flow through core body 22, and the flow of gas have also been obtained metering simultaneously.
Claims (9)
1. a gas meter scale, comprise core body, two air cavitys spaced apart from each other are provided with in core body, two air cavitys are all opened on core body upper end, valve is provided with in air cavity, valve is connected with the inner of the toggle be plugged in core body, the outer end of toggle reaches the outside of core body, the outer end of toggle is fixed with yaw, it is characterized in that, the upper end of core body is provided with two slip lids, yaw on two toggles is connected with two slip lids respectively, under the drive of yaw, two slip lids are used for the opening of alternately covering two air cavitys respectively, or throw off mutually with the opening of two air cavitys.
2. gas meter scale according to claim 1, it is characterized in that, be provided with neutral gear and support at the top of core body, support is provided with two transmission gears, two transmission gears engage with neutral gear, and are actively coupled respectively with described two slip lids; Neutral gear is provided with connecting wheel coaxially, and connecting wheel eccentric position place is provided with connecting column, and two yaws are actively coupled with connecting column respectively by connecting rod.
3. gas meter scale according to claim 2, is characterized in that, slip lid is provided with connection slot, and connection slot is along arranging perpendicular to the direction of motion of slip lid, and transmission gear is provided with reversed column prejudicially, and reversed column is plugged in connection slot with gap.
4. gas meter scale according to claim 3, is characterized in that, slip lid is formed with protuberance, and connection slot is molded on protuberance.
5. gas meter scale according to claim 2, it is characterized in that, support is provided with open-work in neutral gear position, described connecting wheel protrudes into the outside of support from this open-work position, the periphery of connecting wheel is evenly equipped with the gear teeth, is arranged on being connected for the non-return device and connecting wheel limiting connecting wheel reversion on support.
6. gas meter scale according to claim 5, it is characterized in that, neutral gear is the one-body molded convex body had in frustoconical on the end face of connecting wheel, and the one-body molded cylindricality inserting column having hollow on connecting wheel, inserting column grafting is engaged in the jack in convex body.
7., according to the arbitrary described gas meter scale of claim 1-6, it is characterized in that, be provided with pedestal in core body upper end, pedestal is provided with the saturating mouth communicated with air cavity opening, and described slip lid for sliding on pedestal.
8. gas meter scale according to claim 7, is characterized in that, pedestal is provided with gland, and gland is closed-in construction, between gland and pedestal, be provided with chute, and the projection of slip lid side is plugged in chute with gap.
9. gas meter scale according to claim 8, is characterized in that, have brace the bight of gland is one-body molded, core body is provided with connecting table, and brace is fixed on connecting table by gib screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510663183.XA CN105300465A (en) | 2015-10-15 | 2015-10-15 | Gas flow meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510663183.XA CN105300465A (en) | 2015-10-15 | 2015-10-15 | Gas flow meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105300465A true CN105300465A (en) | 2016-02-03 |
Family
ID=55197990
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510663183.XA Pending CN105300465A (en) | 2015-10-15 | 2015-10-15 | Gas flow meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105300465A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3608191C1 (en) * | 1986-03-12 | 1986-11-20 | SPANNER-POLLUX GmbH, 6700 Ludwigshafen | Counter for water meters of the wet-running type |
| CN2376621Y (en) * | 1999-01-28 | 2000-05-03 | 贺永宪 | IC card type intelligent electronic gas meter |
| CN2447744Y (en) * | 2000-08-14 | 2001-09-12 | 沈阳市航宇燃气表具厂 | Small flow gasmeter |
| CN201273831Y (en) * | 2008-08-29 | 2009-07-15 | 重庆前卫仪表厂 | Air distribution structure for reciprocating valve membrane type fuel gas meter |
| CN102680040A (en) * | 2012-04-17 | 2012-09-19 | 陈正朝 | Gas flowmeter |
| CN103791969A (en) * | 2014-02-25 | 2014-05-14 | 成都秦川科技发展有限公司 | Gas meter internally provided with mechanical gas temperature conversion device |
| CN205102867U (en) * | 2015-10-15 | 2016-03-23 | 陈正朝 | Gas flowmeter scale measurement transmission |
-
2015
- 2015-10-15 CN CN201510663183.XA patent/CN105300465A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3608191C1 (en) * | 1986-03-12 | 1986-11-20 | SPANNER-POLLUX GmbH, 6700 Ludwigshafen | Counter for water meters of the wet-running type |
| CN2376621Y (en) * | 1999-01-28 | 2000-05-03 | 贺永宪 | IC card type intelligent electronic gas meter |
| CN2447744Y (en) * | 2000-08-14 | 2001-09-12 | 沈阳市航宇燃气表具厂 | Small flow gasmeter |
| CN201273831Y (en) * | 2008-08-29 | 2009-07-15 | 重庆前卫仪表厂 | Air distribution structure for reciprocating valve membrane type fuel gas meter |
| CN102680040A (en) * | 2012-04-17 | 2012-09-19 | 陈正朝 | Gas flowmeter |
| CN103791969A (en) * | 2014-02-25 | 2014-05-14 | 成都秦川科技发展有限公司 | Gas meter internally provided with mechanical gas temperature conversion device |
| CN205102867U (en) * | 2015-10-15 | 2016-03-23 | 陈正朝 | Gas flowmeter scale measurement transmission |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206248527U (en) | A kind of device for measuring coefficient of rolling friction | |
| CN110132377A (en) | A kind of flood prediction meanss | |
| CN205102867U (en) | Gas flowmeter scale measurement transmission | |
| CN102680040B (en) | Gas flowmeter | |
| CN105300465A (en) | Gas flow meter | |
| CN105181058A (en) | Gas-measuring apparatus | |
| CN205049196U (en) | Gas flowmeter | |
| CN106697351B (en) | Double-station measuring cup metering device | |
| CN205027299U (en) | Gear quality detection device | |
| CN208721414U (en) | A kind of hand moving vehicle wheel fatigue tester | |
| CN207113788U (en) | In-line gears detection means | |
| CN207423733U (en) | A kind of rotary viscosimeter convenient for cleaning | |
| CN203975246U (en) | A kind of vertical spin charging gear | |
| CN208736323U (en) | A kind of angle measuring mechanism | |
| CN108031622A (en) | Powder device on special-shaped glass | |
| CN206787640U (en) | Gas meter | |
| CN208721322U (en) | A kind of airtight air pressure test fixture | |
| CN110470530A (en) | A kind of quick-fried pearl strength test equipment | |
| CN207087873U (en) | The pneumatic Unimate of four-degree-of-freedom | |
| CN206710293U (en) | Angle station for multispectral BRDF measuring systems | |
| CN206187382U (en) | Guide subassembly of measurement filling device | |
| CN212458230U (en) | Measuring table for detecting angle of piston chute | |
| CN107101553B (en) | A kind of thickness detection apparatus of Varying-thickness plate stamping parts | |
| CN206187368U (en) | Measurement filling device | |
| CN205910005U (en) | A high precision measurement mechanism for mated gear is eccentric to be detected |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160203 |