CN201622093U - Gas meter connector - Google Patents
Gas meter connector Download PDFInfo
- Publication number
- CN201622093U CN201622093U CN201020136935XU CN201020136935U CN201622093U CN 201622093 U CN201622093 U CN 201622093U CN 201020136935X U CN201020136935X U CN 201020136935XU CN 201020136935 U CN201020136935 U CN 201020136935U CN 201622093 U CN201622093 U CN 201622093U
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- Prior art keywords
- gas
- inspection hole
- joint
- gas meter
- teat
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- Expired - Lifetime
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Abstract
The utility model relates to a gas meter connector. The lower end of a connector main body (1) is fixed with the gas outlet (M3) of a gas meter (M) by a nut (2). A flexible pipe connecting part (3) capable of being directly connected with a flexible gas pipe (F2) is arranged at the upper end of the connector main body (1). An inspection hole (13) is arranged in the vertical middle part of the connector main body (1). The inspection hole (13) is closed by a cover body (4). The utility model reduces fees required for connecting the gas pipe with the gas meter.
Description
Technical field
The utility model relates to employed gas meter joint when flue is connected the gas introduction port of gas meter or gas export mouth.
Background technology
Existing gas meter has joint body with joint as following patent documentation 1 record.Inside at joint body is formed with the gas passage.One end of gas passage is one open-ended to joint body, is formed with first connecting portion in an end of joint body.The gas introduction port of gas meter or gas export mouth are connected with first connecting portion.The other end of gas passage is formed with second connecting portion to the other end of joint body opening in the other end of joint body.Flue made of iron is connected with this second connecting portion.Consequently flue is connected with the gas introduction port or the gas export mouth of gas meter via joint.
In joint body, be formed with the inspection hole that reaches the gas passage inner face from its outside.This inspection hole is sealed by lid when it does not use, and then lid is unloaded down in use and plug is installed.Plug is connected with pressure gauge via the flue of formations such as rubber tube.The pressure of the gas that mensuration imports to gas meter, and whether maintain prescribed level more than at the appointed time according to the pressure of gas and come detected gas to have or not leakage.
Patent documentation 1:(Japan) spy opens the 2008-115902 communique
Recently, as the flue that is connected with gas meter, replacement has the iron flue of rigidity and uses the flexible gas tube with flexibility gradually.But with in the joint, the other end peristome in the gas passage is formed with internal thread part at existing gas meter, and this internal thread part is used as second connecting portion.Promptly, flue is connected with joint body by flue made of iron is screwed (screwing togather) with internal thread part.But flexible gas tube and internal thread part can not be screwed.Therefore, using existing gas meter, the problem that flexible gas tube can not be connected with gas meter is arranged with under the situation of joint.
So, use existing gas meter with joint with flexible gas tube when gas meter connects, flexible gas tube be screwed fixingly with the internal thread part of connector and joint, via this connector flexible gas tube is connected with joint.Thus, flexible gas tube is connected with gas meter with joint via connector.But under situation about connecting like this, the part number that is used for that flue is connected with gas meter has increased this part of connector.And be used for the operation that flue is connected with gas meter increased connector is connected this part to joint.Consequently cause flue is connected the problem that required expense uprises to gas meter.
The utility model content
Gas meter joint of the present utility model, has the joint body that is formed with the gas passage in inside, in the described joint body, one open-ended position of described gas passage is formed with first connecting portion, the position of the other end opening of described gas passage is formed with second connecting portion, described joint body also is formed with the inspection hole that arrives described gas passage from the outside of described joint body, the gas introduction port of gas meter or gas export mouth are connected with described first connecting portion, flue is connected with described second connecting portion, this gas meter is characterised in that with the topmost of joint described second connecting portion constitutes and can connect the flexible gas tube that uses as described flue.
At this moment, the gas export mouth of preferred described gas meter is connected on described first connecting portion.
The lid of this inspection hole of sealing can be installed on the preferred described inspection hole with loading and unloading, under the state that described lid is unloaded down from described inspection hole, can be to described inspection hole attachment plug.
Preferably be formed with teat in the outside of described joint body, make the front end face opening of the end in the described inspection hole outside at this teat, inside at this inspection hole is formed with valve seat, and be provided with by the chimeric of relative this valve seat with separate the valve body that opens and closes described inspection hole, plug can be installed on the described teat with loading and unloading, on described plug, be formed with the valve press section, with described plug during to the assembling of described teat, described valve press section from its outside peristome enter described inspection hole and with described valve body butt, described valve body is left from described valve seat.
Preferably be formed with teat in the outside of described joint body, outside at described joint body is formed with teat, make the front end face opening of the end in the described inspection hole outside at this teat, inside at this inspection hole is formed with valve seat, and be provided with by the chimeric of relative this valve seat with leave the valve body that opens and closes described inspection hole, one end in the described valve body outside is outstanding from described inspection hole, be formed with contact site from described inspection hole to an end of the outstanding described valve body in outside, this contact site is pushed to be pressed into rubber system inspection contact with it with the inner peripheral surface of flue that state is entrenched in described teat periphery, when described inspection was connected with described teat with flue, utilization acts on described contact site and described inspection makes described valve body leave from described valve seat with the friction force between the flue inner peripheral surface.
Because gas meter of the present utility model can directly be connected second connecting portion with flexible gas tube with joint, so do not need to use the flexible gas tube connector when being connected flexible gas tube on the gas meter.Therefore, can reduce flue and connect needed expense to gas meter.
Description of drawings
The front view of the state of Fig. 1 when to be expression with the gas meter of this utility model be used for gas meter with first embodiment of joint;
Fig. 2 is a side view;
Fig. 3 is the amplification view of the X-X line of state lower edge Fig. 1 of being sealed by lid of expression inspection hole;
Fig. 4 is the cut-open view same with Fig. 3, the state that the expression plug is connected with inspection hole;
Fig. 5 is with Fig. 3 same cut-open view of the gas meter of this utility model of expression with joint second embodiment;
Fig. 6 is the cut-open view same with Fig. 4 of this embodiment of expression;
Fig. 7 is with Fig. 3 same cut-open view of the gas meter of this utility model of expression with joint the 3rd embodiment;
Fig. 8 is the amplification view of this embodiment major part of expression;
Fig. 9 is illustrated in the following amplification view same with Fig. 8 of state that teat is connected with rubber system flue.
Description of reference numerals
The A gas meter with joint A ' gas meter with joint A " gas meter joint
F2 flexible gas tube g (rubber system) flue M gas meter
M2 gas introduction port M3 gas export mouth 1 joint body
2 attaching nuts (first connecting portion), 3 flexible tubing connecting portions (second connecting portion)
4 lids, 6 plugs, 7 plugs, 8 valve bodies, 11 gas passages
12 teats (first connecting portion), 13 inspection hole 13a valve seats
14 teats, 15 ball valves (valve body), 85 contact sites
Embodiment
[embodiment 1]
Fig. 1～Fig. 4 represents first embodiment of gas meter of the present utility model with joint.As depicted in figs. 1 and 2, the gas meter of present embodiment is connected with the gas export mouth M3 of gas meter M with joint A.At this gas meter M is described at first, gas meter M has housing M1.Housing M1 is supported on the wall W via supporter S.Supporting structure aftermentioned about the housing M1 that constitutes by supporter S.On housing M1, be provided with gas introduction port M2 and gas export mouth M3.
The end in flexible gas tube F1 downstream is connected on the gas introduction port M2 with joint B via introducing port.The end of flexible gas tube F1 upstream side is connected with the end in switch valve V downstream via known flexible pipe joint C.Can use ball valve as switch valve V with ball valve.Replace ball valve also can use other known valves, for example have the switch valve of taper valve body.Connecting the end of downstream side that iron pipe etc. has the flue G of rigidity in the end of switch valve V upstream side.The upstream-side-end of flue G is connected with master switch (first bolt) (not shown).Therefore, when master switch is opened, then gas is via flue G, switch valve V, joint C, flue F1 and joint B inflow gas introducing port M2.
The upstream-side-end of flexible gas tube F2 is connected on the gas export mouth M3 with joint A via gas meter of the present utility model.The end in flexible gas tube F2 downstream is connected with gas range, other gas apparatus (not shown).Therefore, when gas flows into gas introduction port M2, then this gas is supplied with to gas apparatus via joint A and flexible gas tube F2 from gas export mouth M3 in gas meter M behind determined its flow.
The following describes gas meter of the present utility model joint A.As shown in Figure 3 and Figure 4, joint A has joint body 1.Joint body 1 is a straight-tube shape, and portion is formed with the gas passage 11 that extends to the upper surface from the lower surface within it.Joint body 1 is configured to its length direction towards above-below direction.Joint body 1 also can be the crooked rectangular shape in relative bottom, its upper end, also can be to form the word of falling U shape.
The bottom of joint body 1 is connected and fixed with gas export mouth M3 as following.Promptly, be formed with the teat 12 of ring-type in the lower surface of joint body 1.This teat 12 is chimeric with the interior week of gas export mouth M3.Periphery at joint body 1 can be provided with attaching nut 2 rotatably.Attaching nut 2 can opposing tabs body 1 up and down direction move, but stoped it from assigned position moving downwards by stop collar R.Therefore, when attaching nut 2 and gas export mouth M3 are screwed and tighten, then the lower surface of joint body 1 via pad P with the upper surface of gas export mouth M3 face contact hermetic.
Chimeric by the teat 12 that makes joint body 1 with the inner peripheral surface of gas export mouth M3, and the lower surface face contact that makes joint body 1 then is fastened on joint body 1 on the gas export mouth M3 in the upper surface of gas export mouth M3.Therefore, in the present embodiment, constitute first connecting portion by the lower surface of joint body 1, teat 12 and the attaching nut 2 that is provided with in the bottom of joint body 1.Certainly, first connecting portion is not limited to said structure, also can adopt other structures.For example also can form internal thread part and screw this internal thread part and gas export mouth M3 fixing at the inner peripheral surface of joint body 1.Under the state that joint body 1 and gas export mouth M3 are connected and fixed, the gas passage 11 of joint body 1 and the internal communication of gas export mouth M3.Therefore, gas is in gas export mouth M3 inflow gas path 11.
Be provided with flexible tubing connecting portion (second connecting portion) 3 in the upper end of joint body 1.Flexible tubing connecting portion 3 is used for flexible gas tube F2 is connected with the upper end of joint body 1, has known structure.Simple declaration is the structure of flexible tubing connecting portion 3 once, and the upper end of 11 inner peripheral surface is formed with internal thread part 11a in the gas passage.The bottom of pressing component 31 and this internal thread part 11a screw.Pressing component 31 is cylindric, in order can inner insert flexible gas tube F2 and to have external diameter comparable size or big slightly internal diameter with the cage walls F2a of flexible gas tube F2 to it.The upper end of pressing component 31 is 11 outstanding upward from the gas passage.Pressing component 31 can be screwed in internal thread part 11a by screw-in instruments (not shown) such as spanner being fastened on this outstanding upward end.
Become the upper end of a pair of engaging part 32,32 of semicircle tubular can insert, disengageably be entrenched in bottom all in the pressing component 31.The bottom of engaging part 32 is outstanding from the lower ends downward side of pressing component 31, and this outstanding bottom direction up and down is housed in the gas passage 11 of joint body 1 movably.Be formed with to the outstanding holding section 32a of radially inner side in the bottom of the inner peripheral surface of engaging part 32.
The external diameter that the internal diameter of the barrel that is made of a pair of engaging part 32,32 (except the barrel that is made of holding section 32a, 32a) is configured to the protuberance of the corrugated tube F2b of flexible gas tube F2 is a comparable size or big slightly.On the other hand, to be configured to size than the external diameter of the protuberance of corrugated tube F2a little and bigger than the size of the external diameter of recess for the internal diameter of the barrel that is made of holding section 32a, 32a.Therefore, they are separated from each other and between them, behind the configuration corrugated tube F2b,, can make holding section 32a, 32a be fastened on the recess of corrugated tube F2b in that engaging part 32,32 is unloaded down from joint body 1 by making engaging part 32,32 mutually near moving.Engaging part 32,32 can not be moved at the length direction of corrugated tube F2b and engaging part 32,32 is assembled on the corrugated tube F2b.
With flexible gas tube F2 when flexible tubing connecting portion 3 connects, be in advance pressing component 31 and engaging part 32,32 are unloaded down from joint body 1.And the cage walls F2a of flexible gas tube F2 is removed four～five corresponding parts of protuberance with corrugated tube F2b, the bottom (end of upstream side) of corrugated tube F2b is exposed.After having carried out like this connect preparing, at first make flexible gas tube F2 pass pressing component 31, and then make holding section 32a, 32a and begin several the 3rd recesses from the corrugated tube F2b front end that exposes and engage.Then, pressing component 31 is moved to the lower end side of flue F2, make interior week of bottom of the upper end of engaging part 32,32 and pressing component 31 chimeric.So engaging part 32,32 can not move mutually and separate, holding section 32a, 32a keep the state that engages with the recess of corrugated tube F2b.Then, the leading section with leading section, engaging part 32,32 and the pressing component 31 of flexible gas tube F2 is inserted in the internal thread part 11a.Then, screw in and make it to move downwards to internal thread part 11a pressing component 31.So engaging part 32,32 is pressed that parts 31 are pushed and moves downwards, and then flue F2 is stuck that parts 32,32 are pushed and moves downwards.When pressing component 31 is screwed into assigned position, the ring-type bearing surface 11b butt that forms with 11 inner peripheral surface via liner 33 of the front end face of corrugated tube F2b then in the gas passage.Afterwards, when pressing component 31 is further screwed in, two～three protuberances that then are positioned at corrugated tube F2a front are pushed by the holding section 32a of bearing surface 11b and engaging part 32 and are out of shape, and this is pressed and the upstream-side-end of the corrugated tube F2b that is out of shape is pressed against on the liner 33.Thus, the upstream-side-end of corrugated tube F2b (flexible gas tube F2) is connected airtightly with the gas passage 11 of joint body 1.
Be not limited to above-mentioned structure as the flexible tubing connecting portion that is used for flexible gas tube F2 is connected on the joint body 1, also can use other known structures, for example (Japan) is real opens structure or (Japan) spy that flat 2-43590 communique put down in writing and opens the structure that the 2000-186793 communique is put down in writing, in these structures, only just flexible gas tube can be connected with joint body by flexible gas tube being inserted the flexible tubing connecting portion.
Pars intermedia at the length direction (above-below direction) of joint body 1 is formed with inspection hole 13.This inspection hole 13 extends in the horizontal direction, and its inboard end is communicated with gas passage 11, and the end in the outside is to the outer peripheral face opening of joint body 1.This inspection hole 13 is screwed the lid 4 that is fixed on the inspection hole 13 and is sealed when not using.In order to prevent that lid 4 is lost when inspection hole 13 takes off lid 4, utilize the binding parts 5 that constitute by the soft resin of comparison such as rubber with lid 4 and joint body 1 binding, so that it can not come off.
The described introducing port that is used for flexible gas tube F1 is connected on the gas introduction port M2 of gas meter M is same substantially structure with joint B and above-mentioned joint A of the present utility model, only following aspect difference, promptly, use among the joint B at introducing port, in joint body 1, do not form inspection hole 13, the length of the pars intermedia of joint body 1 does not correspondingly shorten owing to do not form inspection hole 13, and it is corresponding therewith, the total length of joint body 1 shortens, and, omitted lid 4 in joint B and linked parts 5 at introducing port.Promptly, joint B has joint body 1, attaching nut 2 and second connecting portion 3.Tighten and joint body 1 is fastened on the gas introduction port M2 by attaching nut 2 and gas introduction port M2 are screwed.The end of downstream side of flexible gas tube F1 is connected on second connecting portion 3.
As mentioned above, gas meter M is supported on the wall W via supporter S.Supporter S is made of sheet metal, has vertical component effect S1 and the crooked and horizontal part S2 that extend to horizontal direction from the upper end of this vertical component effect S1.Vertical component effect S1 utilizes externally threaded item T and is pressed and is fixed on the vertical wall W.On the other hand, be formed with the through hole S3 (only illustrating the through hole S3 that passes gas export mouth M3) that can pass gas introduction port M2 and gas export mouth M3 respectively among the horizontal part S2.After respectively gas introduction port M2 and gas export mouth M3 being passed each through hole S3, attaching nut 2,2 screwed with gas introduction port M2 and gas export mouth M3 respectively tighten.So, each lower surface of the attaching nut 2,2 and the upper surface butt of horizontal part S2, attaching nut 2,2 is supported by horizontal part S2.Consequently gas introduction port M2 and gas export mouth M3 are supported by horizontal part S2 via attaching nut 2,2, and then gas meter M is supported device S and supports.
According to the gas meter of said structure joint A,, do not need to connect the connector that flexible gas tube F2 uses to flexible tubing connecting portion 3 owing to flexible gas tube F2 directly can be connected with flexible tubing connecting portion (second connecting portion) 3.Therefore, when connecting flexible gas tube F2, just do not need connector, can reduce and the corresponding part number of this part, and can save and be used for trouble that connector is connected with joint to gas export mouth M3.Thus, can reduce needed expense when flexible gas tube F2 is connected with gas export mouth M3.
As shown in Figure 4, plug 6 screwed after lid 4 is unloaded down from inspection hole 13 and be fixed on the inspection hole 13.Via the flue g that constitutes by rubber tube etc. pressure gauge (not shown) is connected with plug 6, thus, can measures the pressure of the gas that imports to gas meter M.Whether particularly pass through to continue to measure gaseous tension in official hour under with switch valve V closing state, can check from switch valve V has gas to leak through gas meter M the pipe arrangement of the gas apparatus that arrives.Promptly, if gaseous tension be certain, then do not have gas to leak, if gaseous tension reduces in time, the gas leakage is arranged as can be known then.When at first gas meter M being set, by under the state of opening inspection hole 13, switch valve V being opened the short time of regulation, the air that exists the pipe arrangement from switch valve V to joint A can be discharged, promptly, carry out so-called air purge (エ ア パ one ジ).In the present embodiment, the plug that has used rubber tube to use as plug 6, but also can use other plugs, the plug of for example rapid-acting coupling form.
The following describes other embodiment of the present utility model.For following embodiment the different structure with above-mentioned first embodiment only is described, uses same Reference numeral and omit its explanation for same part.
[embodiment 2]
Fig. 5 and Fig. 6 represent second embodiment of the present utility model.The gas meter of this second embodiment is with among the joint A ', is formed with to the outstanding teat 14 of horizontal direction at the pars intermedia of the outer peripheral face length direction of joint body 1.The outboard end of inspection hole 13 is at the front end face opening of this teat 14.Certainly, the end along continuous straight runs of inspection hole 13 inboards extends 11 the inner peripheral surface opening in the gas passage to the inboard of joint body 1.
Be formed with the valve seat 13a of ring-type in the outboard end of the inner peripheral surface of inspection hole 13.In the inspection hole 13 of this valve seat 13a inboard, be provided with the ball valve (valve body) 15 that can move to the length direction of inspection hole 13.Ball valve 15 utilizes the pressured mechanism 16 that is made of volute spring, other springs and is entrenched on the valve seat 13a.Thus, inspection hole 13 is closed.When ball valve 15 is left from valve seat 13a, then inspection hole 13 is opened, and the gas in the gas passage 11 flows out from inspection hole 13.Present embodiment is a structure of utilizing O type circle that valve seat 13a is fixed to the inner peripheral surface of inspection hole 13, but also can directly form the valve seat of taper at the inner peripheral surface of inspection hole 13.
Screw fixing for the lid 17 of bottom tube-like is arranged at the outer peripheral face of teat 14.Utilize this lid 17 to cover the peristome in inspection hole 13 outsides.Thus, can prevent from the gas leakage to take place owing to mishap causes ball valve 15 to move away from valve seat 13a.When using inspection hole 13, lid 17 is unloaded down, plug 7 is screwed the periphery that is fixed on teat 14.Be provided with the valve press section 71 of a shape in the inside of plug 7.When screwing plug 7 and teat 14 fixedly, 71 the peristomes in valve press section from inspection hole 13 outsides enter into inspection hole 13 interior and with ball valve 15 butts, resist the depended on pressure of pressured mechanism 16 and ball valve 15 left from valve seat 13a.Therefore, by plug 7 being connected with inspection hole 13 and can carrying out air purge.And by pressure gauge being connected with plug 7 via the flue g of rubber tube etc., then can carry out pressure mensuration, have or not the inspection of gas leakage.
[embodiment 3]
Fig. 7～Fig. 9 represents the 3rd embodiment of the present utility model.The gas meter of this embodiment is with joint A " in, do not use plug 6 and plug 7, the direct socket of flue g (extrapolation) that will be made of rubber etc. is in the periphery of teat 14.Promptly, the external diameter of teat 14 is bigger than the internal diameter of flue g, is that teat 14 is pressed in the flue G.Therefore, gas can not leak between the inner peripheral surface of the outer peripheral face of teat 14 and flue G.
At joint A " in, ball valve 15 replaced and use valve body 8.Valve body 8 has valve body 81.Outer peripheral face medial end at valve body 81 is provided with the seal member 82 that is made of O type ring etc.Sealing parts 82 are exactly that valve body 8 is entrenched in state on the valve seat 13a by pressured mechanism 16 to the state that valve seat 13a pushes.Certainly, inspection hole 13 is sealed by valve body 8 under chimerism.Among this embodiment, valve seat 13a is formed directly on the inner peripheral surface of inspection hole 13 as the conical surface.
Be formed with the tap hole 83 that extends towards the inboard from the end face in its outside in the valve body 81, and be formed with the notch part 84 that arrives tap hole 83 medial ends from the outer peripheral face of valve body 81.When the depended on pressure of the pressured mechanism 16 of valve body 8 opposing and when valve seat 13a left, at least a portion of notch part 84 was positioned at the upstream side of valve seat 13a.Therefore, the gas in the inspection hole 13 flow in the tap hole 83 by notch part 84.Thus, by making valve body 8 leave and can carry out the inspection that air purge, gaseous tension are measured, gas leaks from valve seat 13a.
The end in valve body 81 outsides is outstanding to the outside from inspection hole 13.Outer peripheral face in valve body 81 outboard end of giving prominence to from inspection hole 13 is formed with contact site 85.Contact site 85 circlewise, its external diameter is littler than the external diameter of teat 14, and is bigger than the internal diameter of flue g.Therefore, when being socketed in flue g on the teat 14, the inner peripheral surface face contact of contact site 85 and flue G produces frictional resistance between them.Utilize this frictional resistance and make the depended on pressure of the pressured mechanism 16 of valve body 8 opposing and move away from valve seat 13a.Consequently the inside of inspection hole 13 is connected with pressure gauge via flue G.Contact site 85 also not necessarily is formed ring-type, also can form a plurality of teats that leave mutually circumferentially.The external diameter of contact site 85 also can be identical with the external diameter of teat 14.
Lid 9 screws fixing with the periphery of teat 14.Lid 9 is that bottom tube-like is arranged, and when screwing lid 9 and teat 14 fixedly, then is housed in the lid 9 with teat 14 with from the ends that the inspection hole 13 of valve body 81 is given prominence to.Therefore, by lid 9 and teat 14 being screwed fixing then can preventing because mishap causes valve body 8 to leave from valve seat 13a.
The utility model is not limited to the foregoing description, can adopt various variation.For example also can with joint A of the present utility model (A ', A ") is connected with gas introduction port M2, joint B is connected with gas export mouth M3.
Gas meter of the present utility model can be used as being used for joint that flexible gas tube is connected with the gas introduction port or the gas export mouth of gas meter with joint.
Claims (5)
1. gas meter connector; Has the joint body that is formed with the gas passage in inside; In the described joint body; One open-ended position of described gas passage is formed with first connecting portion; The position of the other end opening of described gas passage is formed with second connecting portion; Described joint body also is formed with the inspection opening that arrives described gas passage from the outside of described joint body; The gas introduction port of gas meter or gas export mouth are connected with described first connecting portion; Flue is connected with described second connecting portion; This gas meter connector is characterised in that
Described second connecting portion constitutes and can connect the flexible gas tube that uses as described flue.
2. gas meter joint as claimed in claim 1 is characterized in that, the gas export mouth of described gas meter is connected on described first connecting portion.
3. gas meter joint as claimed in claim 1 or 2 is characterized in that, the lid of this inspection hole of sealing can be installed on the described inspection hole with loading and unloading, under the state that described lid is unloaded down from described inspection hole, and can be to described inspection hole attachment plug.
4. gas meter joint as claimed in claim 1 or 2, it is characterized in that, outside at described joint body is formed with teat, make the front end face opening of the end in the described inspection hole outside at this teat, inside at this inspection hole is formed with valve seat, and be provided with by the chimeric of relative this valve seat with separate the valve body that opens and closes described inspection hole, plug can be installed on the described teat with loading and unloading, on described plug, be formed with the valve press section, with described plug during to the assembling of described teat, described valve press section from its outside peristome enter described inspection hole and with described valve body butt, described valve body is left from described valve seat.
5. gas meter joint as claimed in claim 1 or 2, it is characterized in that, outside at described joint body is formed with teat, make the front end face opening of the end in the described inspection hole outside at this teat, inside at this inspection hole is formed with valve seat, and be provided with by the chimeric of relative this valve seat with leave the valve body that opens and closes described inspection hole, one end in the described valve body outside is outstanding from described inspection hole, be formed with contact site from described inspection hole to an end of the outstanding described valve body in outside, this contact site is pushed to be pressed into rubber system inspection contact with it with the inner peripheral surface of flue that state is entrenched in described teat periphery, when described inspection was connected with described teat with flue, utilization acts on described contact site and described inspection makes described valve body leave from described valve seat with the friction force between the flue inner peripheral surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020136935XU CN201622093U (en) | 2010-03-10 | 2010-03-10 | Gas meter connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020136935XU CN201622093U (en) | 2010-03-10 | 2010-03-10 | Gas meter connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201622093U true CN201622093U (en) | 2010-11-03 |
Family
ID=43025550
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201020136935XU Expired - Lifetime CN201622093U (en) | 2010-03-10 | 2010-03-10 | Gas meter connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201622093U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103913196A (en) * | 2014-04-15 | 2014-07-09 | 淮南矿业(集团)有限责任公司 | Gas flow measuring device |
| TWI467614B (en) * | 2011-09-08 | 2015-01-01 | Saginomiya Seisakusho Inc | Pressure response switch and connector unit |
-
2010
- 2010-03-10 CN CN201020136935XU patent/CN201622093U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI467614B (en) * | 2011-09-08 | 2015-01-01 | Saginomiya Seisakusho Inc | Pressure response switch and connector unit |
| CN103913196A (en) * | 2014-04-15 | 2014-07-09 | 淮南矿业(集团)有限责任公司 | Gas flow measuring device |
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