CN101418896A - Pressure measurable union coupling member - Google Patents
Pressure measurable union coupling member Download PDFInfo
- Publication number
- CN101418896A CN101418896A CNA2008101221788A CN200810122178A CN101418896A CN 101418896 A CN101418896 A CN 101418896A CN A2008101221788 A CNA2008101221788 A CN A2008101221788A CN 200810122178 A CN200810122178 A CN 200810122178A CN 101418896 A CN101418896 A CN 101418896A
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- tube body
- tube core
- coupling member
- described tube
- tube
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Abstract
The invention discloses a measurable piezometric tube connecting part, which is characterized by comprising a tube body, a tube core and a spring, wherein the tube body is provided with an inlet end and an outflow end which run through axially and are used for medium circulation, the inlet end and the outflow end form an annular convex part at the interface surface along the circumferential direction; the tube core is axially arranged in the inlet end of the tube body and is provided with a tail part and a head part which can be limited on the annular convex part of the tube body; and the spring is arranged at one side on the tail part of the tube core, and ensures that the head part of the tube core has the tendency of always leaning against the annular convex part in the state that the head part of the tube core leaves the annular convex part to make the tube body conducted. Compared with the prior art, the inside of the tube connecting part is provided with the tube core which can elastically recover, so as to ensure that the tube connecting part can not only realize the function of medium transmission of a common tube connecting part, but also realize the sealing of the fuel gas outlet end without the connection of any valve or choke plug.
Description
Technical field
The present invention relates to a kind of tubular union, particularly a kind of pressure measurable union coupling member.
Background technique
In the fuel gas pipeline system, but the pipe fitting of pressure measurement generally mostly is three-port structure, as I the patent No. of first to file be ZL200720303060.6 model utility " but pressure-measuring meter joint " but a kind of combustion gas pressure measuring tie-in disclosing, it is on the basis of common meter connector connecting pipeline function, by on joint, offering a side opening with protruding neck, can easily pressure instrumentation be installed on the meter connector by protruding neck, the circulation of pipeline medium can be guaranteed, measurement can be realized again loine pressure.
But, but above-mentioned pressure-measuring meter joint only adapt to and be used for being connected between pipeline and the pipeline, be not suitable for end user's gas outlet end.Because the end user is after pipeline is installed, the gas outlet end of pipeline forms of stifle or plug that adopt when not using realize line seal more, with this circulation of blocking medium, prevent to reveal.
At present, there is employing to realize the sealing of pipeline,, can realizes to the conducting of pipeline or by function by opening or closing valve at gas outlet end mounted valve.Yet, usually before connecting pipeline, generally need measure the pressure in the pipeline, to guarantee connection reliability, therefore, the gas outlet end of pipeline should effectively be realized sealing when not using, can when switching, be convenient to pressure measurement again, but the pipeline of valve sealing structure, the gas outlet end that valve must be connected pipeline always can play seal action, when pressure measurement, take off valve after, pipeline just can't shutoff, medium will flow out from pipeline, is not easy to carry out the pressure measurement work of pipeline.
Summary of the invention
Technical problem to be solved by this invention provide at above-mentioned prior art present situation a kind of simple in structure, both can be used as the common tube link and use the pressure measurable union coupling member can realize sealing function.
The present invention solves the problems of the technologies described above the technological scheme that is adopted: pressure measurable union coupling member is characterized in that: include
One tube body has axial perforation and can supply the inlet end and the outflow end of medium circulation, and this inlet end and outflow end circumferentially are formed with annular protrusion on the interface edge;
One tube core is arranged in the inlet end of described tube body vertically, and wherein, this tube core has afterbody and can be limited in head on the described tube body annular protrusion; And
One spring is arranged at afterbody one side of described tube core, leaves described annular protrusion and described tube body is under the on state at the head of described tube core, and this spring makes the head of described tube core have all the time the trend that leans with described annular protrusion.
In order to guarantee the axially locating of tube core, described tube body also is provided with the setting sleeve of the uncovered and the other end of end sealing at inlet end, described tube core is inserted among this setting sleeve, and the closed end inwall of described spring one end and this setting sleeve offsets, and the afterbody of the other end and described tube core offsets.So tube core can be installed to earlier in the setting sleeve, putting into tube body then, be convenient to more install.
For the ease of setting sleeve when packing tube body into, reduce and tube wall between the gap, described setting sleeve also is provided with stiffening rib at outer circumferential face, the outer rim of described stiffening rib and the aperture of described inlet end are suitable.Setting sleeve can stably be arranged among the tube body, avoids axially rocking.
Pass through in order further to be convenient to medium, guarantee the normal circulation of pipe fitting under on state, described setting sleeve also offers one at closed end can hold the through hole that medium circulates.
But described tube body also is set with the pressure mother of a tamper at the opening end of inlet end, offers the axis hole that can hold the medium circulation on this pressure mother.Put to tear open and press mother can prevent that the user from arbitrarily dismantling pipe fitting, must can realize dismounting, play certain tamper effect by special tool.
As preferably, the head of described tube core is " worker " font and is arranged with one by the spacing sealing gasket in described I-shaped upper and lower end face at medium position, and described sealing gasket has the conical surface that can be limited on the described annular protrusion.By having the sealing gasket of conical surface, make sealing effect more, and sealing gasket itself can be spacing by the upper and lower end face of " worker " font, avoids the sealing gasket slippage.
During connecting pipeline, in order to open the tube core of aforementioned tube link, avoid simultaneously the leakage of medium again, the joint of a kind of special construction of needs is connected the outflow end of described tube body, to guarantee that head with tube core backs down and makes pipeline unimpeded: described joint one end has the cavity that the outflow end that can hold described tube body inserts, the bottom of this cavity is projected with a protruding pin that can stretch within the described outflow end and can offset with the head end of described tube core, this protruding pin also offers the aperture that can axially connect with described tube body at end face, insert fully at described joint under the state of described tube body outflow end, the head end of described tube core is left described annular protrusion and is made the tubular union conducting under the pushing and pressing effect of described protruding pin, the other end of described joint has the joint that can connect ball valve.
Consider the sealing needs, also be provided with a ring sealing plug between the internal diameter of described protruding pin and described outflow end.
Compared with prior art, the invention has the advantages that: but should be provided with the tube core that can be used for opening or closing pipeline in the tubular union of pressure measurement, this tube core makes tubular union can either realize the medium transmission function of common tube link, again can be in the sealing that under the situation of valve or plug connection, realizes the gas outlet end, pressure-detecting device can insert and back down tube core from the front portion of pipe fitting, get final product pressure measurement, automatically pipeline is sealed under the effect of tube core at Returnning spring extracting behind the pressure measurement device, simple in structure, easy to use.
Description of drawings
Fig. 1 is the tubular union sectional view of the embodiment of the invention;
Fig. 2 is the setting sleeve plane structure schematic representation of the embodiment of the invention;
Fig. 3 is that the A-A of setting sleeve shown in Figure 2 is to sectional view;
Fig. 4 is the sectional view of tubular union under the pressure measurement state of the embodiment of the invention;
Fig. 5 is the tube core head construction schematic representation of the embodiment of the invention;
Fig. 6 is the joint structure structural representation of the embodiment of the invention;
Fig. 7 is the assembling view that the tubular union of the embodiment of the invention is connected with ball valve by joint;
Fig. 8 is the three-dimensional exploded view of structure shown in Figure 7.
Embodiment
Embodiment describes in further detail the present invention below in conjunction with accompanying drawing.
As Fig. 1～shown in Figure 5, but tubular union specific embodiment for a kind of pressure measurement, this tubular union includes tube body 1, tube core 2, setting sleeve 3, spring 4 and presses female 5, wherein, tube body 1 has axial perforation and can supply the inlet end 11 and the outflow end 12 of medium circulation, and described inlet end 11 and outflow end 12 circumferentially are formed with annular protrusion 13 on the interface edge;
The closed end inwall of spring 4 one ends and this setting sleeve 3 offsets, the afterbody 22 of the other end and described tube core 2 offsets, head 2 at tube core 2 leaves annular protrusion 13 and tube body 1 is under the on state, and this spring 4 makes the head 21 of tube core 2 have all the time the trend that leans with annular protrusion 13;
For preventing that the user from arbitrarily dismantling pipe fitting, tube body 1 also is threaded at the opening end of inlet end 11 and can prevents the pressure mother 5 that dismantles after this pressure female 5 is screwed into the inlet end 11 of tube body 1, will pressing mother's 5 usefulness riveters to rivet again, and it can not be screwed out under nature; Press also to offer the axis hole 51 that can hold the medium circulation on female 5, like this, can guarantee the normal circulation of medium, can prevent that again the user from dismantling the parts such as tube core in the tube body arbitrarily, press female 5 must can realize dismounting, play certain tamper effect, referring to Fig. 1 by special tool.
The head 21 of tube core 2 specifically is " worker " font, this I-shaped top also is extended with the projection 211 that can offset with other links, the centre of I-shaped head 21 is an annular groove that is arranged with sealing gasket 6, sealing gasket 6 can be spacing and avoid slippage by 212 of I-shaped upper and lower end faces, sealing pad 6 has the conical surface 61 that can be limited on the annular protrusion 13, referring to Fig. 5; Influence sealing for avoiding sealing gasket 6 to avoid when mounted being scratched by annular protrusion 13, annular protrusion 13 is being rounded down 131 with sealing gasket 6 touching positions, and this fillet 131 can offset with the conical surface 61 of sealing gasket 6.
For the ease of setting sleeve 3 when packing tube body 1 into, reduce and tube wall between the gap, setting sleeve 3 also axially is evenly equipped with four stiffening ribs 31 at outer circumferential face, inlet end 11 apertures of the outer rim of stiffening rib 31 and tube body 1 are suitable, but and the hole wall of inlet end 11 have certain clearance, can supply the MEDIA FLOW mistake, so setting sleeve 3 can stably be arranged among the tube body 1, avoid eccentric;
Pass through in order further to be convenient to medium, guarantee the normal flow general character of pipe fitting under on state, setting sleeve 3 also offers one at closed end can hold the through hole 32 that medium circulates, referring to Fig. 2, Fig. 3.
During installation, elder generation packs spring 4 among the setting sleeve 3, again tube core 2 is packed into setting sleeve 3 and and an end of spring 4 lean, matching gap between the inner hole wall of the outer circumferential face of tube core 2 and setting sleeve 3 is 0.2mm, can guarantee that like this tube core activity vertically eccentric phenomena can not take place again, simultaneously, in annular recessed being pickled with grains or in wine of tube core 2 heads 21, be arranged with sealing gasket 6, under the effect of spring force, the conical surface 61 of sealing gasket 6 and the fillet 131 of annular protrusion 13 offset, make tubular union seal, medium does not circulate; When the projection 211 of withstanding tube core 2 heads 21, and when making the conical surface 61 of sealing gasket 6 leave the fillet 131 of annular protrusion 13, described spring 4 has makes conical surface 61 be resisted against the trend on the fillet 131 all the time.Therefore, above-mentioned tubular union does not need to install other Sealings such as plug just can realize that pipeline ends function, generally is installed in the outlet end of fuel gas pipeline and seals, and only just can open when pipeline need be connected, and allows the medium circulation.
As the needs pressure measurement, referring to Fig. 4, pressure-measuring meter T is directly inserted from the outflow end 12 of tube body 1, make the survey pipe Tt of pressure-measuring meter T touch the projection 211 of tube core 2 heads 21, and the application of force promotes tube core 2 and then extrusion spring 4, make the fillet 131 at conical surface 61 and annular protrusion 13 places of tube body 1 of sealing gasket 6 be separated, thereby medium is passed through from the outflow end 12 of tube body 1 smoothly, the pressure that pressure-measuring meter T can signal piping.After finishing the pressure measurement read-record, can directly extract pressure-measuring meter T, tube core 2 heads 21 are playback rapidly under the effect of spring force, and the conical surface 61 of sealing gasket 6 offsets again with the fillet 131 at annular protrusion 13 places of tube body 1, and pipeline ends.
After if general valve is installed and is connected, owing to do not touch tube core, sealing gasket can not break away from annular protrusion, and medium can not leak out from tube body, only install a kind of Valve joint 7 of special construction design and just can open, connect with the misconnection robber who prevents pipeline.
Joint 7 one ends have the cavity 71 of outflow end 12 insertions that can hold tube body 1, the bottom of cavity 71 is projected with a protruding pin 72 that can stretch within the outflow end 12 and can offset with head 21 end faces of tube core 2, this projection 72 also offers the eccentric aperture 721 that can axially connect with tube body 1 at end face, referring to Fig. 6;
The cavity 71 of joint 7 and the outflow end 12 of tube body 1 are for being threaded, joint 7 can progressively tighten on the outflow end 13 of tube body 1, when the outflow end 12 of joint 7 and tube body 1 is tightened fully, head 21 end faces of tube core 2 leave annular protrusion 13 and tubular union conducting, medium can be flowed out by the eccentric aperture 721 of tube body 1 on joint 7 protruding pins 72 under the pushing and pressing effect of projection 211; And the other end of joint 7 after tube body connects ball valve by joint, can pass through the opening and closing of ball valve pilot line for connecting the threaded joints of ball valve, referring to Fig. 7, Fig. 8.
Wherein, ball valve is an ordinary ball valve, include valve body 91, spherical valve core 92, handle 93 and valve rod 94, spherical valve core 92 is arranged in the valve body 91 under the driving of handle 93 rotationally, and an end of valve rod 94 connects spherical valve core 92, the other end connects handle 93, and the top of valve rod 94 is fixing by a nut 95, also is arranged with O RunddichtringO 96 on the valve rod 94.
Consider the requirement that connects sealing, when joint 7 is connected with tube body 1, between the internal diameter of the protruding pin 72 of joint 7 and outflow end 12, also be provided with a ring sealing plug 8, this ring sealing plug 8 is to be embedded on the inwall of outflow end 12, and being screwed into gradually in the process of outflow end 12 at joint 7, is fitted seal gradually between the protruding pin 72 of joint 7 and the ring sealing plug 8, so, joint 7 need not add any sealing compound when mounted at the screw thread place, can reach seal request.
Claims (8)
1, a kind of pressure measurable union coupling member is characterized in that: include
One tube body (1) has axial perforation and can supply the inlet end (11) and the outflow end (12) of medium circulation, and this inlet end (11) and outflow end (12) circumferentially are formed with annular protrusion (13) on the interface edge;
One tube core (2) is arranged in the inlet end (11) of described tube body (1) vertically, and wherein, this tube core (2) has afterbody (22) and can be limited in head (21) on described tube body (1) annular protrusion (13); And
One spring (4), be arranged at afterbody (22) one sides of described tube core (2), head (21) in described tube core (2) leaves described annular protrusion (13) and described tube body (1) is under the on state, and this spring (4) makes the head (21) of described tube core (2) have all the time the trend that leans with described annular protrusion (13).
2, pressure measurable union coupling member according to claim 1, it is characterized in that: described tube body (1) also is provided with the setting sleeve (3) of the uncovered and the other end of end sealing at inlet end (11), described tube core (2) is inserted among this setting sleeve (3), the closed end inwall of described spring (4) one ends and this setting sleeve (3) offsets, and the afterbody (22) of the other end and described tube core (2) offsets.
3, pressure measurable union coupling member according to claim 2 is characterized in that: described setting sleeve (3) also is provided with stiffening rib (31) at outer circumferential face, and the aperture of the outer rim of described stiffening rib (31) and described inlet end (11) is suitable.
4, pressure measurable union coupling member according to claim 2 is characterized in that: described setting sleeve (3) also offers one at closed end can hold the through hole (32) that medium circulates.
5, pressure measurable union coupling member according to claim 1 is characterized in that: described tube body (1) at inlet end (11) but opening end also be set with the pressure mother (5) of a tamper, this pressure offers the axis hole (51) that can hold the medium circulation on female (5).
6, pressure measurable union coupling member according to claim 1, it is characterized in that: the head (21) of described tube core (2) is " worker " font and is arranged with one by the spacing sealing gasket (6) in described I-shaped upper and lower end face (212) at medium position, and described sealing gasket (6) has the conical surface (61) that can be limited on the described annular protrusion (13).
7, a kind of being connected as the joint on the described pressure measurable union coupling member of arbitrary right in the claim 1～5, it is characterized in that: this joint (7) is connected the outflow end (12) of described tube body (1), described joint (7) one ends have the cavity (71) of outflow end (12) insertion that can hold described tube body (1), the bottom of this cavity (71) is projected with a protruding pin (72) that can stretch within the described outflow end (12) and can offset with head (21) end face of described tube core (2), this protruding pin (72) also offers the aperture (721) that can axially connect with described tube body (1) at end face, insert fully at described joint (7) under the state of described tube body (1) outflow end (12), head (21) end face of described tube core (2) leaves described annular protrusion (13) and makes the tubular union conducting under the pushing and pressing effect of described protruding pin (72), the other end of described joint (7) has the joint that can connect ball valve.
8, pressure measurable union coupling member according to claim 7 is characterized in that: also be provided with a ring sealing plug (8) between the internal diameter of described protruding pin (72) and described outflow end (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008101221788A CN101418896A (en) | 2008-10-30 | 2008-10-30 | Pressure measurable union coupling member |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008101221788A CN101418896A (en) | 2008-10-30 | 2008-10-30 | Pressure measurable union coupling member |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101418896A true CN101418896A (en) | 2009-04-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008101221788A Pending CN101418896A (en) | 2008-10-30 | 2008-10-30 | Pressure measurable union coupling member |
Country Status (1)
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| CN (1) | CN101418896A (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101799097A (en) * | 2010-03-11 | 2010-08-11 | 谢云军 | Water-saving water pipe joint |
| CN102062227A (en) * | 2010-12-23 | 2011-05-18 | 大丰市丰泰机电有限公司 | Low pressure gauge valve |
| CN103090905A (en) * | 2013-01-25 | 2013-05-08 | 卓旦春 | Testing head for testing of valve |
| CN105179774A (en) * | 2015-09-30 | 2015-12-23 | 山东泰行环保科技有限公司 | Inflation nozzle of radiator and radiator |
| CN105508775A (en) * | 2016-01-11 | 2016-04-20 | 东方电气集团东方电机有限公司 | Oil duct communication device |
| CN105508774A (en) * | 2016-02-29 | 2016-04-20 | 国网山东省电力公司青岛供电公司 | Test interface structure |
| CN105507808A (en) * | 2016-01-11 | 2016-04-20 | 东方电气集团东方电机有限公司 | Underground drilling tool motor |
| CN105526445A (en) * | 2013-10-29 | 2016-04-27 | 南安市丽迪家居用品有限公司 | Connector |
| CN105570583A (en) * | 2016-02-29 | 2016-05-11 | 国网山东省电力公司青岛供电公司 | Charged test connector structure |
| CN108561651A (en) * | 2018-03-13 | 2018-09-21 | 西安理工大学 | A kind of pipe joint arrangement of automatic butt |
-
2008
- 2008-10-30 CN CNA2008101221788A patent/CN101418896A/en active Pending
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101799097A (en) * | 2010-03-11 | 2010-08-11 | 谢云军 | Water-saving water pipe joint |
| CN102062227A (en) * | 2010-12-23 | 2011-05-18 | 大丰市丰泰机电有限公司 | Low pressure gauge valve |
| CN103090905A (en) * | 2013-01-25 | 2013-05-08 | 卓旦春 | Testing head for testing of valve |
| CN103090905B (en) * | 2013-01-25 | 2015-11-18 | 卓旦春 | A kind of measuring head of valve test |
| CN105526445A (en) * | 2013-10-29 | 2016-04-27 | 南安市丽迪家居用品有限公司 | Connector |
| CN105179774A (en) * | 2015-09-30 | 2015-12-23 | 山东泰行环保科技有限公司 | Inflation nozzle of radiator and radiator |
| CN105508775A (en) * | 2016-01-11 | 2016-04-20 | 东方电气集团东方电机有限公司 | Oil duct communication device |
| CN105507808A (en) * | 2016-01-11 | 2016-04-20 | 东方电气集团东方电机有限公司 | Underground drilling tool motor |
| CN105508774A (en) * | 2016-02-29 | 2016-04-20 | 国网山东省电力公司青岛供电公司 | Test interface structure |
| CN105570583A (en) * | 2016-02-29 | 2016-05-11 | 国网山东省电力公司青岛供电公司 | Charged test connector structure |
| CN108561651A (en) * | 2018-03-13 | 2018-09-21 | 西安理工大学 | A kind of pipe joint arrangement of automatic butt |
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| PB01 | Publication | ||
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Open date: 20090429 |