CN208765914U - Rocking bar location structure and gas meter movement device for detecting sealability - Google Patents
Rocking bar location structure and gas meter movement device for detecting sealability Download PDFInfo
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- CN208765914U CN208765914U CN201821451696.XU CN201821451696U CN208765914U CN 208765914 U CN208765914 U CN 208765914U CN 201821451696 U CN201821451696 U CN 201821451696U CN 208765914 U CN208765914 U CN 208765914U
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- gas meter
- exhaust tube
- location structure
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Abstract
The utility model relates to gas meter movement detection fields, it is intended to solve the problems, such as gas meter movement sealing propertytest time long inefficiency in the prior art, provide rocking bar location structure and gas meter movement device for detecting sealability.Rocking bar location structure includes Fixed Division and two limiting sections.Fixed Division has the connection structure for being configured for affixed exhaust tube.Two limiting sections are fixed in Fixed Division, and limiting section has limiting slot.Rocking bar location structure is configured under the drive for the movement that exhaust tube is engaged to the gas outlet of detected gas meter movement, and moving to makes corresponding two rocking bars for being caught in gas meter movement to be detected of the limiting slot of two limiting sections and two rocking bars are defined in its extreme position.The utility model has the beneficial effects that gas meter movement sealing propertytest is high-efficient.
Description
Technical field
The utility model relates to gas meter movement detection fields, in particular to rocking bar location structure and gas meter, flow meter machine
Core device for detecting sealability.
Background technique
Country's gas meter movement sealing propertytest working principle is that valve deck is fixed on to a position at present, using negative pressure method
It is evacuated from gas meter, flow meter gas outlet direction, measurement chamber space is smaller and smaller, measures at this time after epithelium runs to extreme position
Negative pressure value, and compared with the vacuum degree of equipment, measurement chamber's pressure drop is obtained, to judge the leakproofness of gas meter, flow meter.Multiple chambers
The leakproofness of room needs to carry out using same method multiple.Since the revolution volume of gas meter, flow meter is larger, a gas meter, flow meter is completed
Machine core sealing propertytest need to take the gas of 0.5-1 revolution volume away, this needs to consume the long period, so that when entire detection
Between it is too long.
Utility model content
The utility model is intended to provide a kind of rocking bar location structure, to solve gas meter movement leakproofness in the prior art
The problem of detection time long inefficiency.
The another object of the utility model is to provide a kind of gas meter movement sealing for having above-mentioned rocking bar location structure
Property detection device.
A further object of the utility model is to provide a kind of gas meter movement sealing based on above-mentioned rocking bar location structure
Property detection method.
The embodiments of the present invention are achieved in that
The utility model embodiment provides a kind of rocking bar location structure, including the exhaust tube for pumping comprising affixed
Portion and limiting section.The Fixed Division includes the first plate and with the connection structure for being configured for the affixed exhaust tube；
The limiting section is fixed in first plate and parallel in the exhaust tube axis, and the limiting section has limiting slot；Institute
When stating exhaust tube and moving to the gas outlet for pressing gas meter movement detected, the rocking bar location structure is configured to
Under the drive for the movement that exhaust tube is engaged to the gas outlet of detected gas meter movement, the limiting slot for making two limiting sections is moved to
It corresponds to two rocking bars for being caught in gas meter movement to be detected and two rocking bars is defined in its extreme position.
In an embodiment of the present embodiment:
First plate has notch far from the side of the limiting section, and the connection structure includes being removably connected to
First plate and the bracket for being closed the notch；First plate and the bracket for compressing the pumping jointly
Tracheae makes the rocking bar location structure and exhaust tube be capable of forming the entirety of associated movement.
In an embodiment of the present embodiment:
The bracket is removably attachable to the side of first plate by screw, and is closed the notch, encloses
Circumferentially be closed axially through matching hole, for accommodating and compressing affixed exhaust tube.
In an embodiment of the present embodiment:
First plate is long plate shape structure；The limiting section includes two the second plates of long slab shape；
Two second plates are connected to the length of the other side opposite with its setting notch side of first plate
To at both ends；And two second plates and first plate collectively form a U-shaped structure；
The opening of the limiting slot is set to the direction far from first plate of second plate.
In an embodiment of the present embodiment:
The limiting slot includes the lead segment close to channel opening and the limit section close to slot bottom；
The lead segment is outer imperial palace fine taper, and the limit section is the straight section that width is adapted to the width of rocking bar.
In an embodiment of the present embodiment:
The inner end width of the lead segment is equal to the width of the limit section.
The utility model embodiment also provides a kind of rocking bar location structure, including the exhaust tube for pumping, the rocking bar
Location structure includes the first plate and two the second plates, and first plate and two second plates are structure as a whole；
Two second plates are vertically connected at first plate spaced reciprocally, constitute U-shaped structure；The width of first plate
Notch is equipped with to one side；First plate is removably connected with bracket, and the bracket lid closes the notch, forms week
To closing, along axially through matching hole；The matching hole is used to cooperate the exhaust tube of gas meter movement sealing propertytest, and makes
The rocking bar location structure and the exhaust tube connect into the entirety of associated movement；Two second plates are far from described first
One end of plate offers the limiting slot extended along matching hole perforation direction；Centered on the cooperation axially bored line, two
The center angle of projection of the limiting slot in the first plate plate face is equal to two rocking bars of gas meter movement in the limit
With respect to the center angle of the central axes of the gas outlet of gas meter movement when position.
The utility model embodiment also provides a kind of modified gas meter movement device for detecting sealability, the modified combustion
It is connected with rocking bar location structure above-mentioned on the exhaust tube of gas meter machine core device for detecting sealability, and the rocking bar location structure
The extending direction of the limiting slot is parallel to the axis of the exhaust tube.
In an embodiment of the present embodiment:
The outer end of the exhaust tube is equipped with radially outward widened boss, and the boss and the rocking bar location structure are in axis
To limit.
The utility model embodiment also provides a kind of gas meter movement method for conducting leak test, the gas meter movement sealing
Property detection method be based on rocking bar location structure above-mentioned；The gas meter movement method for conducting leak test includes preparation stage and just
Formula is evacuated detection-phase；The preparation stage includes:
The exhaust tube of gas meter movement device for detecting sealability is set to move to pressing to the gas outlet direction of gas meter movement
Connect gas outlet；Under the drive of the movement of exhaust tube, rocking bar location structure on exhaust tube is fixed in by gas meter movement
Two rocking bars be defined in the extreme positions of two sides.
Rocking bar location structure in the utility model embodiment is fixedly connected on the pumping of gas meter movement sealing propertytest
Guan Shang, when the gas outlet of gas meter movement detected is connected in exhaust tube pressing, the limiting slot of two limiting sections is with pumping
Pipe moves to corresponding two rocking bars for forking gas meter movement, and two rocking bars is made to be maintained at its two sides extreme position, Ji Kejin
The subsequent formal detecting steps such as row pumping.
Therefore, using rocking bar location structure, gas meter movement device for detecting sealability and the gas meter, flow meter machine in the present embodiment
Core method for conducting leak test, makes machine core leakproofness at the preparation stage needed for capable of greatly reducing gas meter movement sealing propertytest
Detection time shortens 40%, to improve whole detection efficiency.The effect gas meter movement more for chamber to be detected
It is especially pronounced.
Detailed description of the invention
It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by
Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also
To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 is that the modified gas meter movement device for detecting sealability in the utility model embodiment is used to detect gas meter, flow meter
Mated condition figure when machine core leakproofness；
Fig. 2 is the expansion view of Fig. 1；
Fig. 3 is the schematic diagram of rocking bar location structure provided by the embodiment of the utility model.
Icon: 100- modified gas meter movement device for detecting sealability；10- rocking bar location structure；The Fixed Division 10a-；
The-the second plate of 10b '；10b- limiting section；The first plate of 11-；12- bracket；20- gas meter movement device for detecting sealability；
20a- exhaust tube；20b- boss；30- gas meter movement；30a- rocking bar；30b- gas outlet；30c- valve deck；C0- limiting slot；C1-
Lead segment；C2- limits section；K1- notch；K2- matching hole；D1- screw.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here in attached drawing description and
The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.
Therefore, requirement is not intended to limit to the detailed description of the embodiments of the present invention provided in the accompanying drawings below
The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model
Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all
Belong to the range of the utility model protection.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In the description of the present invention, it should be noted that if occur term " center ", "upper", "lower", " left side ",
The orientation or positional relationship of the instructions such as " right side ", "vertical", "horizontal", "inner", "outside" is orientation based on the figure or position
Relationship or the utility model product using when the orientation or positional relationship usually put, be merely for convenience of describing this reality
It is described with novel with simplified, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific
Orientation construction and operation, therefore should not be understood as limiting the present invention.If in addition, occurring in the description of the utility model
Term " first ", " second " etc. are only used for distinguishing description, are not understood to indicate or imply relative importance.
If being not offered as requiring component in addition, occurring the terms such as term "horizontal", "vertical" in the description of the utility model
Abswolute level or pendency, but can be slightly tilted.If "horizontal" only refers to that its direction is more horizontal with respect to for "vertical",
It is not to indicate that the structure is had to fully horizontally, but can be slightly tilted.
Embodiment
Fig. 1 is that the modified gas meter movement device for detecting sealability 100 in the utility model embodiment is fired for detecting
Mated condition figure when gas meter 30 leakproofness of machine core.
Fig. 2 is the expansion view of Fig. 1.Referring to fig. 2, the top of the test object gas meter movement 30 of the present embodiment is set for cooperation
Gas outlet 30b upward, two rocking bar 30a positioned at the two sides gas outlet 30b are set, there are also the structures such as valve deck 30c.Gas meter movement
30 inside have multiple measurement chamber's (not shown).Different measurement chamber can be made to be connected to gas outlet by rotary valve cover 30c
30b.And the leakproofness of negative pressure method measurement gas meter movement 30 includes that two rocking bar 30a is being kept to be located at two sides extreme position
Under state, communicated therewith using the exhaust tube 20a of existing gas meter movement device for detecting sealability 20 from gas outlet 30b extraction
The indoor gas of measurement chamber, then by negative pressure comparison judge leakproofness the step of.Generally for the combustion gas of more measurement chamber
Table machine core 30 needs to carry out multiple aforesaid operations.Wherein, it limits the position rocking bar 30a and actual measurement is unrelated, be the preparation stage.It is existing
There is technology to need to consume more time and carry out the stage, to there is a problem of that detection efficiency is low.
Modified gas meter movement device for detecting sealability 100 in the present embodiment is using in the existing combustion based on negative pressure method
The form of affixed rocking bar location structure 10 is realized needed for reducing detection on the exhaust tube 20a of 30 sealing propertytest platform of gas meter machine core
Time preparation stage so that the machine core sealing propertytest time is shortened 40% to improve detection efficiency.
Fig. 3 is the schematic diagram of rocking bar location structure 10 provided by the embodiment of the utility model.Referring to Fig. 3, rocking bar is fixed for cooperation
Bit architecture 10 includes Fixed Division 10a and two limiting section 10b.Fixed Division 10a, which has, is configured for affixed exhaust tube 20a's
Connection structure.Two limiting section 10b are fixed in Fixed Division 10a, and limiting section 10b has limiting slot C0.It is moved in exhaust tube 20a
When to the gas outlet 30b for pressing gas meter movement 30 detected, rocking bar location structure 10 is configured in exhaust tube 20a
Under the drive of the movement engaged to the gas outlet 30b of detected gas meter movement 30, the limit for making two limiting section 10b is moved to
Slot C0 corresponds to two rocking bar 30a for being caught in gas meter movement 30 to be detected and two rocking bar 30a is defined in its extreme position.
The extending direction of the limiting slot C0 of rocking bar location structure 10 is parallel to the axis of exhaust tube 20a.To realize exhaust tube 20a and rocking bar
The outer end of the axially position of location structure 10, exhaust tube 20a is equipped with radially outward widened boss 20b.Under normal circumstances, it is evacuated
The movement that pipe 20a is engaged to the gas outlet 30b of detected gas meter movement 30 is to lean on along gas outlet 30b axis to gas outlet 30b
The nearly movement up to engaging.
In an embodiment of the present embodiment, cooperation referring to fig. 2, Fig. 3, Fixed Division 10a include side have notch
It the first plate 11 of K1 and is removably attachable to the first plate 11 and is closed the bracket 12 of notch K1.First plate 11 and tight
Gu item 12 makes rocking bar location structure 10 and exhaust tube 20a be capable of forming the whole of associated movement for compressing exhaust tube 20a jointly
Body.Wherein, two holes are set on bracket 12, and are removably attachable to the side of the first plate 11 by two screw D1,
And be closed notch K1, surround circumferential closure axially through matching hole K2 realize for accommodating and compress affixed exhaust tube 20a
Rocking bar location structure 10 is fixed on exhaust tube 20a.
Continue cooperation referring to fig. 2, Fig. 3, in an embodiment of the present embodiment, the first plate 11 be long plate shape knot
Structure.Limiting section 10b is the second plate 10b ' of long slab shape.Two the second plate 10b ' are connected to being arranged with it for the first plate 11
The length of the opposite other side in the side notch K1 is at both ends.And two the second plate 10b ' and the first plate 11 collectively form one
U-shaped structure.Limiting slot C0 is opened in one end far from the first plate 11 of the second plate 10b '.For convenience of guidance rocking bar 30a into
Enter limiting slot C0, limiting slot C0 includes the lead segment C1 close to the channel opening and limit section C2 close to slot bottom.Lead segment C1 is outer
Imperial palace fine taper, limit section C2 are the straight section that width is adapted to the width of rocking bar 30a.In exhaust tube 20a axially move closer to outlet
When cylinder 30b, two limiting slot C0 ultimately form exhaust tube 20a pressing connection outlet also axially move closer to two rocking bar 30a
Cylinder 30b, two limiting slot C0 are caught on two rocking bar 30a, and rocking bar 30a are limited to the state of lateral limit position.It is aforementioned
The lead segment C1 that outer imperial palace fine taper is arranged is convenient to guidance rocking bar 30a and enters, so that even if its pole is deviateed in the position rocking bar 30a
Extreme position still is able to be directed into limiting slot C0, accurately defines rocking bar 30a in the limit section C2 of limiting slot C0.
To further ensure that limit is accurate, the inner end width of lead segment C1 is equal to the width of limit section C2.
Whole description rocking bar location structure 10 provided by the embodiment of the utility model below.Continue cooperation referring to Fig. 1, Fig. 2,
Fig. 3, the rocking bar location structure 10 in the present embodiment is for cooperating gas meter movement device for detecting sealability 20 to use, to detect combustion
The leakproofness of gas meter machine core 30, gas meter movement device for detecting sealability 20 include the exhaust tube 20a for pumping comprising the
One plate 11 and two the second plate 10b ', the first plate 11 and two the second plate 10b ' are structure as a whole.Two the second plates
Part 10b ' is vertically connected at the first plate 11 spaced reciprocally, constitutes U-shaped structure.Wide be equipped with to one side of first plate 11 lacks
Mouth K1.First plate 11 is removably connected with bracket 12, and the lid of bracket 12 closes notch K1, and formation is circumferentially closed, passes through along axial direction
Logical matching hole K2.Matching hole K2 is used to cooperate the exhaust tube 20a of 30 sealing propertytest of gas meter movement, and makes rocking bar positioning knot
Structure 10 and exhaust tube 20a connect into the entirety of associated movement.Two the second plate 10b ' are opened up far from one end of the first plate 11
There is the limiting slot C0 extended along matching hole K2 perforation direction.Centered on matching hole K2 axis, two limiting slot C0 are in the first plate
The center angle of projection in 11 plate face of part opposite gas meter, flow meter in extreme position equal to two rocking bar 30a of gas meter movement 30
The center angle of the central axes of the gas outlet 30b of machine core 30, so that after engagement, rocking bar 30a can be limited to its two sides limit
Position.
Referring to Fig. 1, Fig. 2, Fig. 3, the utility model embodiment also provides a kind of gas meter movement sealing propertytest side for cooperation
Method is based on rocking bar location structure 10 above-mentioned.The gas meter movement method for conducting leak test includes preparation stage and formal pumping
Gas detection-phase.Preparation stage includes: to make the exhaust tube 20a of gas meter movement device for detecting sealability 20 to gas meter movement 30
The direction gas outlet 30b move to pressing connect gas outlet 30b.Under the drive of the movement of exhaust tube 20a, it is fixed in pumping
Two rocking bar 30a of gas meter movement 30 are defined in the extreme position of two sides by the rocking bar location structure 10 on pipe 20a.Preparing rank
It can carry out formally being evacuated detection-phase after section.
Rocking bar location structure 10 in the utility model embodiment is fixedly connected on 30 sealing propertytest of gas meter movement
On exhaust tube 20a, when the gas outlet 30b of gas meter movement 30 detected is connected in exhaust tube 20a pressing, two limiting sections
The limiting slot C0 of 10b corresponding two rocking bar 30a for forking gas meter movement 30 as exhaust tube 20a is moved to, make two rocking bars
30a is maintained at its two sides extreme position, can carry out the subsequent formal detecting step such as being evacuated.
Therefore, using rocking bar location structure 10, gas meter movement device for detecting sealability 20 and the combustion gas in the present embodiment
Table machine core method for conducting leak test, time preparation stage needed for capable of greatly reducing gas meter movement sealing propertytest, in turn
Improve whole detection efficiency.The effect gas meter movement 30 more for chamber to be detected is especially pronounced.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (9)
1. a kind of rocking bar location structure, including the exhaust tube for pumping, it is characterised in that:
Further include:
Fixed Division, the Fixed Division include the first plate and with the connection structure for being configured for the affixed exhaust tube；
Limiting section, the limiting section are fixed in first plate and parallel in the exhaust tube axis, and the limiting section has
Limiting slot；
When the exhaust tube moves to the gas outlet for pressing gas meter movement detected, the rocking bar location structure is constructed
At can be under the drive for the movement that exhaust tube is engaged to the gas outlet of detected gas meter movement, moving to makes two limiting sections
Corresponding two rocking bars for being caught in gas meter movement to be detected of limiting slot and two rocking bars are defined in its extreme position.
2. rocking bar location structure according to claim 1, it is characterised in that:
First plate has notch far from the side of the limiting section, and the connection structure is described including being removably connected to
First plate and the bracket for being closed the notch；First plate and the bracket for compressing the pumping jointly
Pipe, makes the rocking bar location structure and exhaust tube be capable of forming the entirety of associated movement.
3. rocking bar location structure according to claim 2, it is characterised in that:
The bracket is removably attachable to the side of first plate by screw, and is closed the notch, surrounds week
To closure axially through matching hole, for accommodating and compressing affixed exhaust tube.
4. rocking bar location structure according to claim 2, it is characterised in that:
First plate is long plate shape structure；The limiting section includes two the second plates of long slab shape；
What two second plates were connected to first plate is arranged the length of the opposite other side in notch side to two with it
At end；And two second plates and first plate collectively form a U-shaped structure；
The opening of the limiting slot is set to the direction far from first plate of second plate.
5. rocking bar location structure according to claim 4, it is characterised in that:
The limiting slot includes the lead segment close to channel opening and the limit section close to slot bottom；
The lead segment is outer imperial palace fine taper, and the limit section is the straight section that width is adapted to the width of rocking bar.
6. rocking bar location structure according to claim 5, it is characterised in that:
The inner end width of the lead segment is equal to the width of the limit section.
7. a kind of rocking bar location structure, including the exhaust tube for pumping, it is characterised in that:
The rocking bar location structure includes the first plate and two the second plates, first plate and two second plates
It is structure as a whole；Two second plates are vertically connected at first plate spaced reciprocally, constitute U-shaped structure；
The wide of first plate is equipped with notch to one side；First plate is removably connected with bracket, the fastening
Item lid closes the notch, formed it is circumferentially closed, along axially through matching hole；The matching hole is for cooperating gas meter movement close
The exhaust tube of envelope property detection, and the rocking bar location structure and the exhaust tube is made to connect into the entirety of associated movement；
Two second plates offer the limit extended along matching hole perforation direction far from one end of first plate
Position slot；Centered on the cooperation axially bored line, the center of projection of two limiting slots in the first plate plate face is pressed from both sides
Angle is equal to the center folder of two rocking bars central axes of the gas outlet of opposite gas meter movement in extreme position of gas meter movement
Angle.
8. a kind of gas meter movement device for detecting sealability, it is characterised in that:
Any one of claim 1-7 rocking bar positioning is connected on the exhaust tube of the gas meter movement device for detecting sealability
Structure, and the extending direction of the limiting slot of the rocking bar location structure is parallel to the axis of the exhaust tube.
9. gas meter movement device for detecting sealability according to claim 8, it is characterised in that:
The outer end of the exhaust tube is equipped with radially outward widened boss, and the boss and the rocking bar location structure are in axial limit
Position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821451696.XU CN208765914U (en) | 2018-09-05 | 2018-09-05 | Rocking bar location structure and gas meter movement device for detecting sealability |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821451696.XU CN208765914U (en) | 2018-09-05 | 2018-09-05 | Rocking bar location structure and gas meter movement device for detecting sealability |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208765914U true CN208765914U (en) | 2019-04-19 |
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ID=66134363
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821451696.XU Active CN208765914U (en) | 2018-09-05 | 2018-09-05 | Rocking bar location structure and gas meter movement device for detecting sealability |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108760193A (en) * | 2018-09-05 | 2018-11-06 | 成都秦川物联网科技股份有限公司 | Rocking bar location structure, gas meter movement device for detecting sealability and method |
-
2018
- 2018-09-05 CN CN201821451696.XU patent/CN208765914U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108760193A (en) * | 2018-09-05 | 2018-11-06 | 成都秦川物联网科技股份有限公司 | Rocking bar location structure, gas meter movement device for detecting sealability and method |
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