CN208588437U - A kind of gas meter, flow meter outlet duct structures - Google Patents
A kind of gas meter, flow meter outlet duct structures Download PDFInfo
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- CN208588437U CN208588437U CN201821249803.0U CN201821249803U CN208588437U CN 208588437 U CN208588437 U CN 208588437U CN 201821249803 U CN201821249803 U CN 201821249803U CN 208588437 U CN208588437 U CN 208588437U
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- tube body
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- flow meter
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Abstract
A kind of gas meter, flow meter outlet duct structures, belong to gas meter, flow meter technical field, the gas meter, flow meter outlet duct structures, including outlet tube body, outlet tube body is set as Z-shaped bending moulding, one end of outlet tube body and the gas outlet seal of valve grid are fixed, the other end of outlet tube body is connected with outlet pipe fitting, the knee of outlet tube body is fixed with sealed cover slip, the utility model has the beneficial effects that, the gas meter, flow meter outlet duct structures meet different big centers away from requiring, improve its versatility, and clamping sealing is connected between escape pipe and the gas outlet of valve grid, improve sealing effect, it and is not in the phenomenon that sealant is overflowed by insides of pipes, keep gas outlet runner unobstructed.
Description
Technical field
The utility model relates to gas meter, flow meter technical field more particularly to a kind of gas meter, flow meter outlet duct structures.
Background technique
Currently, center between state's internal schema gas meter, flow meter outlet pipe fitting and air inlet pipe fitting is away from requiring 130mm, part state
Family requires to be 110mm, and these belong to small center away from, the outlet pipe fitting used is all largely the pipe fitting of straight barrel type,
And for having client of the big center away from demand, for example, 220mm or bigger center away from requiring, then the pipe fitting of this straight barrel type is then
It is undesirable；In addition, existing gas meter, flow meter escape pipe is assemblied on the gas outlet of valve grid, the outlet inner edge setting of the gas outlet
There is concave station, escape pipe connection gas outlet one end is embedded in the concave station, and in order to guarantee the leakproofness of connection place, which is also applied
It is covered with one layer of viscose glue, then escape pipe is anchored on the gas outlet of valve grid with screw, but the escape pipe in screw fastener cycle
It often will appear the phenomenon that extra viscose glue overflows with the valve grid place of link, and since the outlet inner edge of gas outlet is set as concave station,
Extra viscose glue can only be overflowed from insides of pipes, cause escape pipe and valve grid connection place cross-sectional area to reduce, and then increase combustion
The pressure loss of gas meter, while making connection place runner not smooth.
To sum up, how to design and a kind of meet big center away from the gas meter, flow meter required, sealing effect is good, gas outlet runner is unobstructed
Escape pipe is current problem to be solved.
Utility model content
In order to solve the above-mentioned technical problem, the utility model provides a kind of gas meter, flow meter outlet duct structures, mainly solves
The structure of existing gas meter, flow meter escape pipe be only able to satisfy small center away from requirement, be unable to satisfy the problem of big center is away from requiring, into
One step solves the problems, such as that the poor sealing effect of existing escape pipe and the gas outlet of valve grid, gas outlet runner are obstructed, mesh
Be, by designing a kind of integral type escape pipe of Z-shaped warp architecture, big center can be met away from requiring, and can will be this
The escape pipe of integral type is tightly connected two-by-two, can meet different centers away from requiring, and improves its versatility, and escape pipe with
Clamping sealing is connected between the gas outlet of valve grid, improves sealing effect, and be not in that sealant is overflowed by insides of pipes
The phenomenon that, keep gas outlet runner unobstructed.
To achieve the above object, the technical scheme adopted by the utility model to solve the technical problem is as follows: the gas meter, flow meter
Outlet duct structures, which is characterized in that including outlet tube body, the outlet tube body is set as Z-shaped bending moulding, it is described go out
One end of tracheae ontology and the gas outlet seal of valve grid are fixed, and the other end of the outlet tube body is connected with outlet pipe fitting,
The knee of the outlet tube body is fixed with sealed cover slip.
Further, the knee rounding off setting of the outlet tube body, and pass through sealant and the sealing cover
Piece sealing is fixed.
Further, one end bore of the outlet tube body is greater than the bore of the other end, the mouth of the outlet tube body
Diameter is matched compared with big end with the gas outlet of valve grid, and the bore small end of the outlet tube body is connected with outlet pipe fitting, described
The bore of outlet tube body compared with internal screw thread is provided in big end, be provided in the bore small end of the outlet tube body with it is described
The external screw thread that internal screw thread matches.
Further, the bore of the outlet tube body is identified compared with fool proof is provided at big end.
Further, it is provided with the annular seal groove matched at the internal screw thread and external screw thread of the outlet tube body,
O-ring seals are provided in the annular seal groove.
Further, first annular groove is provided on the lower end periphery direction of the outlet tube body, the valve grid
Gas outlet outer rim is provided with the second annular groove opposite with the first annular groove, the first annular groove and the second ring
Sealing structure is provided in connected in star, the outlet tube body is connected with valve grid by screw fastening.
Further, the lower end periphery of the outlet tube body is provided with annular convex platform, and institute is arranged on the annular convex platform
First annular groove is stated, the gas outlet outer rim of the valve grid is provided with the annular slot being engaged by clamping with the annular convex platform, institute
State the setting second annular groove in annular slot.
Further, the sealing structure is set as O-ring seals or sealed colloid.
The beneficial effects of the utility model are:
1, the gas meter, flow meter outlet duct structures are set as the Z-shaped bending moulding of integral type, the gas outlet of one end and valve grid
Sealing is fixed, and the other end is connected with outlet pipe fitting, since Z-shaped bending moulding cannot once be molded sealing moulding, bending
Place will appear hole, be sealed hole by sealed cover slip, prevent gas leakage, this Z-shaped bending moulding meet big center away from
Requirement, and the sealing structure of its integral type is mounted at the gas outlet of valve grid, makes machine core on-line checking gas leakage situation
It is consistent with complete machine detection, improve the accuracy of detection.
2, further, one end bore of outlet tube body be greater than the other end bore, and the bore of outlet tube body compared with
Big end is equipped with internal screw thread, and the bore small end of outlet tube body is equipped with the external screw thread matched with internal screw thread, can pass through by
Outlet tube body carries out thread seal connection to meet different big centers away from requiring two-by-two, improves its versatility.
3, the lower end periphery of outlet tube body is equipped with annular convex platform, and first annular groove is arranged on annular convex platform, valve grid
Gas outlet outer rim is equipped with the annular slot that is engaged by clamping with annular convex platform, setting second annular groove in annular slot, by
After filling O-ring seals or sealed colloid in first annular groove and second annular groove, then by annular convex platform and annular snap
Slot cooperation clamping, is then fixed by screw, this sealing structure makes the sealing between escape pipe ontology and the gas outlet of valve grid
Effect is more preferable, and connection is stronger, and is not in the phenomenon that sealant is overflowed by insides of pipes, keeps gas outlet runner more logical
Freely.
To sum up, which meets different big centers away from requiring, and improves its versatility, and go out
Clamping sealing is connected between tracheae and the gas outlet of valve grid, improves sealing effect, and be not in sealant by pipeline
The phenomenon that side is overflowed, keeps gas outlet runner unobstructed.
Detailed description of the invention
Below to each width attached drawing of the utility model specification expression content and figure in label be briefly described:
Fig. 1 is that the utility model is assemblied in the structural schematic diagram on gas meter movement；
Fig. 2 is the structural schematic diagram of the utility model；
Fig. 3 is the structural schematic diagram of amplifier section in Fig. 1；
Label in above-mentioned figure is equal are as follows: 1. outlet tube bodies, 11. internal screw threads, 12. external screw threads, 13. fool proofs mark, 14. rings
Shape seal groove, 15. first annular grooves, 16. annular convex platform, 2. valve grid, 21. gas outlets, 22. second annular grooves, 23. annulars
Card slot, 3. outlet pipe fittings, 4. sealed cover slips, 5. sealing structures.
Specific embodiment
Specific embodiment of the present utility model is made into one by the description to optimum embodiment below against attached drawing
Step detailed description.
The utility model specific embodiment are as follows: as shown in Figure 1 and Figure 2, a kind of gas meter, flow meter outlet duct structures, including go out
Tracheae ontology 1, outlet tube body 1 are set as Z-shaped bending moulding, and one end of outlet tube body 1 and the gas outlet 21 of valve grid 2 are close
Sealing is fixed, and the other end of outlet tube body 1 is connected with outlet pipe fitting 3, since Z-shaped bending moulding cannot once be molded sealing
Molding, knee will appear hole, and the knee of outlet tube body 1 is fixed with sealed cover slip 4, by sealed cover slip 4 by hole
Hole sealing, prevents gas leakage, this Z-shaped bending moulding meet big center away from requirement, and the sealing structure of its integral type
It is mounted at the gas outlet 21 of valve grid 2, detects machine core on-line checking gas leakage situation and complete machine consistent, improve detection
Accuracy.
Optimally, in order to improve the unobstructed of blast tube, the knee rounding off setting of outlet tube body 1, and pass through
Sealant and the sealing of sealed cover slip 4 are fixed, and the hole in knee is sealed, the generation of gas leak phenomenon is prevented.
Optimally, one end bore of outlet tube body 1 is greater than the bore of the other end, and the bore of outlet tube body 1 is compared with big end
It is matched with the gas outlet 21 of valve grid 2, the bore small end of outlet tube body 1 is connected with outlet pipe fitting 3, outlet tube body 1
Bore compared with internal screw thread 11 is provided in big end, be provided in the bore small end of outlet tube body 1 and matched with internal screw thread 11
External screw thread 12, different big centers can be met away from requiring by the way that outlet tube body 1 two-by-two is carried out thread seal connection, mentioned
Its high versatility, and one end bore of outlet tube body 1 is greater than the bore of the other end, is not easy installation anti-loaded, and go out
The bore of tracheae ontology 1 compared be provided at big end fool proof mark 13, the fool proof mark 13 can outlet tube body 1 bore it is larger
End is set as convex block or groove, can be further reduced anti-loaded situation and generate；Optimally, in order to further increase outlet tube body
The leakproofness connected between 1 and between outlet tube body 1 and outlet pipe fitting 3, the internal screw thread 11 and outer spiral shell of outlet tube body 1
The annular seal groove 14 matched is provided at line 12, two opposite annular seal grooves 14 form receiving O shape after cooperating close
Sealing is brought without winding sealant at external screw thread 12 in the space of seal, and this sealing structure installs simpler, sealing effect
More preferably, the service life is longer.
Optimally, as shown in figure 3, being provided with first annular groove 15 on the lower end periphery direction of outlet tube body 1, valve grid
2 21 outer rim of gas outlet is provided with the second annular groove 22 opposite with first annular groove 15, first annular groove 15 and
Sealing structure 5 is provided in second ring groove 22, which may be configured as O-ring seals or sealed colloid, escape pipe sheet
Body 1 is connected with valve grid 2 by screw fastening, and the sealing structure 5 is filled in first annular groove 15 and second annular groove 22, is made
The lower end of outlet tube body 1 fits closely after connecting with 21 outer fringe seal of gas outlet of valve grid 2, then fastens phase by screw
Even, make that the connection structure between escape pipe ontology 1 and valve grid 2 is more stable, palette effect is more preferable；Optimally, in order into one
Step improves the stability connected between outlet tube body 1 and valve grid 2, and the lower end periphery of outlet tube body 1 is provided with annular convex platform
16, which is set on annular convex platform 16, and 21 outer rim of gas outlet of valve grid 2 is provided with and annular convex platform 16 is clamped
The annular slot 23 of cooperation, annular slot 23 is interior to be arranged the second annular groove 22, and first annular groove 15 and the second annular are recessed
While in slot 22 by filling the sealing structure 5 sealing, pass through annular convex platform 16 and ring between outlet tube body 1 and valve grid 2
Clamping between shape card slot 23 is stably connected with, and makes the sealed colloid filled between an annular groove 15 and second annular groove 22
The inside for not overflowing tracheae ontology 1 keeps combustion gas runner more unobstructed.
To sum up, which meets different big centers away from requiring, and improves its versatility, and go out
Clamping sealing is connected between tracheae and the gas outlet of valve grid, improves sealing effect, and be not in sealant by pipeline
The phenomenon that side is overflowed, keeps gas outlet runner unobstructed.
The above, some principles of the utility model that only explains through diagrams, this specification are not intended to this is practical
It is novel to be confined in the shown specific structure and the scope of application, thus it is all it is all may be utilized accordingly modify and wait
Jljl belongs to the applied the scope of the patents of the utility model.
Claims (8)
1. a kind of gas meter, flow meter outlet duct structures, which is characterized in that including outlet tube body (1), outlet tube body (1) setting
For Z-shaped bending moulding, one end of the outlet tube body (1) and the gas outlet (21) of valve grid (2) seal and fix, the outlet
The other end of tube body (1) is connected with outlet pipe fitting (3), and the knee of the outlet tube body (1) is fixed with sealed cover slip
(4)。
2. gas meter, flow meter outlet duct structures according to claim 1, it is characterised in that: the bending of the outlet tube body (1)
Locate rounding off setting, and is fixed by sealant and the sealed cover slip (4) sealing.
3. gas meter, flow meter outlet duct structures according to claim 2, it is characterised in that: one end of the outlet tube body (1)
Bore is greater than the bore of the other end, and the bore of the outlet tube body (1) matches compared with the gas outlet (21) of big end and valve grid (2)
Close, the bore small end of the outlet tube body (1) is connected with outlet pipe fitting (3), the bore of the outlet tube body (1) compared with
It is provided with internal screw thread (11), is provided in the bore small end of the outlet tube body (1) and the internal screw thread (11) in big end
The external screw thread (12) matched.
4. gas meter, flow meter outlet duct structures according to claim 3, it is characterised in that: the bore of the outlet tube body (1)
(13) are identified compared with fool proof is provided at big end.
5. gas meter, flow meter outlet duct structures according to claim 3, it is characterised in that: the interior spiral shell of the outlet tube body (1)
It is provided with the annular seal groove (14) matched at line (11) and external screw thread (12), is provided in the annular seal groove (14)
O-ring seals.
6. gas meter, flow meter outlet duct structures described in any one according to claim 1~5, it is characterised in that: the escape pipe sheet
It is provided on the lower end periphery direction of body (1) first annular groove (15), gas outlet (21) outer rim of the valve grid (2) is provided with
The second annular groove (22) opposite with the first annular groove (15), the first annular groove (15) and the second annular are recessed
It is provided with sealing structure (5) in slot (22), the outlet tube body (1) is connected with valve grid (2) by screw fastening.
7. gas meter, flow meter outlet duct structures according to claim 6, it is characterised in that: the lower end of the outlet tube body (1)
Periphery is provided with annular convex platform (16), is arranged the first annular groove (15) on the annular convex platform (16), the valve grid (2)
Gas outlet (21) outer rim be provided with the annular convex platform (16) be engaged by clamping annular slot (23), the annular slot
(23) the setting second annular groove (22) in.
8. gas meter, flow meter outlet duct structures according to claim 7, it is characterised in that: the sealing structure (5) is set as O shape
Sealing ring or sealed colloid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821249803.0U CN208588437U (en) | 2018-08-04 | 2018-08-04 | A kind of gas meter, flow meter outlet duct structures |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821249803.0U CN208588437U (en) | 2018-08-04 | 2018-08-04 | A kind of gas meter, flow meter outlet duct structures |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208588437U true CN208588437U (en) | 2019-03-08 |
Family
ID=65543134
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821249803.0U Active CN208588437U (en) | 2018-08-04 | 2018-08-04 | A kind of gas meter, flow meter outlet duct structures |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208588437U (en) |
-
2018
- 2018-08-04 CN CN201821249803.0U patent/CN208588437U/en active Active
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