CN101592276B - Antitheft and anti-detaching gas meter corrugated pipe connector - Google Patents
Antitheft and anti-detaching gas meter corrugated pipe connector Download PDFInfo
- Publication number
- CN101592276B CN101592276B CN2009100320314A CN200910032031A CN101592276B CN 101592276 B CN101592276 B CN 101592276B CN 2009100320314 A CN2009100320314 A CN 2009100320314A CN 200910032031 A CN200910032031 A CN 200910032031A CN 101592276 B CN101592276 B CN 101592276B
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- nut sleeve
- pipe
- sleeve
- corrugated pipe
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Abstract
The invention discloses an antitheft and anti-demolition diaphragm gas meter corrugated pipe connector, which comprises a corrugated pipe, a connecting pipe, a nut sleeve, a snap spring ring, a sealing gasket, a shell and a flat gasket. The inner cavity of the shell is provided with the nut sleeve, an annular groove and the snap spring ring for axial limitation are arranged between the inner cavity of the shell and the nut sleeve, and the joint end faces of the inner cavity of the shell and the nut sleeve are provided with wedge slots so as to form a screwing linkage structure. The connecting pipe forms a bearing structure through the cooperation between an outer ring sleeve and steel balls and a pipe sleeve, and the left and right end faces of the connecting pipe are parallel with each other. The connecting pipe is arranged in an inner hole of the nut sleeve, the left pipe wall is sleeved with the sealing gasket, and the right pipe orifice exposed from the shell is in seal connection with the corrugated pipe. With the formed a self-locking structure, the corrugated pipe connector can only be screwed in one direction to be installed and can prevent free detachment except for destructive detachment. The self-locking structure prevents privately detachment to a maximum degree, effectively avoids leakage and gas steal, and provides effective technical guarantee of public security.
Description
Technical field
The present invention relates to a kind of pipe connector lug assembly, particularly a kind of gas hose joint with anti-dismounting structure.
Background technique
Along with the progress of society, people's living condition is greatly improved, and particularly relates to the necessity of every household daily life---gaseous fuel, enters in the civilian family by pipeline as commodity.Rock gas, town gas, and gaseous fuel such as liquefied petroleum gas (LPG) belongs to clear energy sources, have flammable good, calorific value is high, disposal of pollutants is few, characteristics such as easy to use and being accepted by masses.The life that gaseous fuel both had been convenient for people to has also been brought into play useful effect for the purifying city air.However, the safe handling of gaseous fuel is a kind of important problem, and is very important.The main component of gaseous fuel is carbon monoxide, hydrogen, methane and ethane, has stronger toxicity and flammability, has leakage just may cause serious accident slightly.The gaseous fuel flexible pipe that is connected between pipeline and the gas meter tool of registering one's residence generally adopts screw connection structure under the existence conditions, and this is simple in structure, connection is reliable, convenient disassembly.But, this linkage structure also give the user privately demolition diaphragm gas equipment, gas pipeline relocate, and the lawless person steals gas convenience is provided.This type of situation is owing to be that the layman operates, and unloading process is lack of standardization, has very big potential safety hazard, and serious accident easily takes place.Prior art products can not satisfy the safety control of gas pipeline.
Summary of the invention
The present invention is primarily aimed at the easily detachable deficiency of prior art products, provide a kind of simple in structure, connect reliably, just have the antitheft and anti-demolition diaphragm gas meter corrugated pipe connector of auto-lock function after screwing.
The present invention is achieved through the following technical solutions technical goal.
Antitheft and anti-demolition diaphragm gas meter corrugated pipe connector, it comprises bellows, adapter, nut sleeve, jump ring circle, sealing gasket, shell and plain cushion.Described outer shell outer wall is provided with the even number polygonal limit of units, and inner chamber is the stepped shaft circular hole, and major diameter aperture inwall is provided with the hypotenuse ring groove.Described nut sleeve is a sleeve structure, its cylindrical and shell inner cavity Spielpassung, and the hypotenuse ring groove of the corresponding shell of cylindrical left end is provided with the rectangular ring groove, and inner chamber is that tapped hole matches with gauge outfit.Its improvements are: uniform 3～8 wedge-shaped impressions of described shell interior edge face, the nut sleeve right side is provided with equivalent wedge shape boss.Described jump ring circle is installed in the nut sleeve outer wall rectangular ring groove and screws in the lump in the shell inner cavity, and the jump ring circle snaps in the axial limiting structure that constitutes the nut sleeve opposite shell in two grooves, and wedge-shaped impression cooperates formation to screw linkage structure with the wedge shape boss.Described adapter is filled in from the nut sleeve left end, takes over left tube wall suit sealing gasket, and the right mouth of pipe that exposes the shell right side is connected with sylphon seal.Adapter cooperates with pipe box by dress steel ball in the outer ring set that is provided with annular inside groove, constitutes counterrotating bearing structure, and outer ring set left and right sides end face is the plane and is parallel to each other that outer ring set left and right sides end face is perpendicular to axis.
The uniform wedge-shaped impression rotation direction of shell interior edge face in the said structure is for recessed clockwise, and the uniform wedge shape boss rotation direction in nut sleeve right side is to rise counterclockwise.Nut sleeve is inserted in the shell by the wedge-shaped structure complementary fit on the both ends of the surface, forms the whole linkage structure that turns clockwise, and being rotated counterclockwise then, shell and nut sleeve are slidingly matched mutually.
The present invention compared with prior art has following good effect:
The uniform wedge-shaped groove structure on the end face that combines of shell and nut sleeve, and to take between end face and the nut sleeve end face be rolling structure, joint installation can only unidirectional tightened-ups, can not unscrew.This is simple in structure, connection is reliable, and auto-lock function is strong, effectively avoids taking place to leak and steal the gas phenomenon because of dismantling privately, for public safety provides effective technical guarantee.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Fig. 2 is an adapter modular construction enlarged diagram shown in Figure 1.
Fig. 3 is a shell mechanism schematic representation shown in Figure 1.
Fig. 4 is the plan view of Fig. 3, shows uniform 4 wedge-shaped impressions of interior edge face among the embodiment.
Fig. 5 is a nut sleeve structural representation shown in Figure 1.
Fig. 6 is the plan view of Fig. 5, shows that end face is provided with 4 wedge shape boss among the embodiment.
Embodiment
According to embodiment also in conjunction with the accompanying drawings, the invention will be further described below.
Antitheft and anti-demolition diaphragm gas meter corrugated pipe connector shown in Figure 1, it comprises bellows 1, adapter 2, nut sleeve 3, jump ring circle 4, sealing gasket 5, shell 6 and plain cushion 7.Described shell 6 as shown in Figure 3, its outer wall is provided with the Hexagon limit, operation is convenient to screw in this Hexagon limit.Shell 6 inner chambers are stepped bore, and major diameter aperture inwall is provided with hypotenuse ring groove 6.2 as shown in Figure 3.Described nut sleeve 3 as shown in Figure 5, its cylindrical and shell 6 inner chamber Spielpassung, the hypotenuse ring groove 6.2 of the corresponding shell 6 of cylindrical left end is provided with rectangular ring groove 3.2 as shown in Figure 5, nut sleeve 3 inner chambers are that tapped hole matches with gauge outfit 8.Present embodiment is taken over for Φ 30mm, uniform as shown in Figure 44 wedge-shaped impressions 6.1 of shell 6 interior edge faces, and nut sleeve 3 right sides are provided with equivalent wedge shape boss 3.1 as shown in Figure 6.Jump ring circle 4 is installed in the nut sleeve 3 outer wall rectangular ring grooves 3 and screws in the lump in shell 6 inner chambers, jump ring circle 4 snaps in the axial limiting structure that constitutes nut sleeve 3 opposite shell 6 in two grooves, and wedge-shaped impression 6.1 screws linkage structure with wedge shape boss 3.1 complementary fit formation.Described adapter 2 as shown in Figure 2, its outer ring set 2.1 is provided with annular inside groove, steel ball 2.2 back of packing in the inside groove cooperates the counterrotating bearing structures of formation with pipe box 2.3.Outer ring set 2.1 left and right sides end faces are the plane and are parallel to each other that outer ring set 2.1 left and right sides end faces are perpendicular to axis.Take over 2 and fill in from nut sleeve 3 left ends, take over 2 left tube wall suit sealing gaskets 5, the right mouth of pipe and the bellows 1 that expose shell 6 right sides are tightly connected.
The present invention is by combining the axial limiting structure of wedge-shaped groove structure uniform on the end face and jump ring circle 4 and hypotenuse ring groove 6.2, rectangular ring groove 3.2 compositions with nut sleeve 3 to shell 6, and take between 2 right sides and nut sleeve 3 left sides rolling structure and form self-locking structure jointly, joint is installed can only unidirectional tightened-up, the back is installed removes destructive dismounting and can not freely dismantle.This self-locking structure limits dismounting behavior privately to greatest extent and takes place, and effectively avoids taking place to leak and steal the gas phenomenon.
The present invention is under the constant situation of structure, and wedge-shaped impression 6.1 and wedge shape boss 3.1 quantity that match increase and decrease according to caliber size, should adopt 8 greater than Φ 80mm caliber, should adopt 3 less than Φ 20mm caliber, and the caliber of all the other sizes is selected 4-6 for use.Although by wedge shape boss 3.1 quantity that caliber is selected wedge-shaped impression 6.1 for use and matched, its good effect does not change.
Claims (2)
1. antitheft and anti-demolition diaphragm gas meter corrugated pipe connector, it comprises bellows (1), takes over (2), nut sleeve (3), jump ring circle (4), sealing gasket (5), shell (6) and plain cushion (7); Described shell (6) outer wall is provided with the even number polygonal limit of units, and inner chamber is the stepped shaft circular hole, and major diameter aperture inwall is provided with hypotenuse ring groove (6.2); Described nut sleeve (3) is a sleeve structure, its cylindrical and shell (6) inner chamber Spielpassung, and the hypotenuse ring groove (6.2) of the corresponding shell of cylindrical left end (6) is provided with rectangular ring groove (3.2), and inner chamber is that tapped hole matches with gauge outfit (8); It is characterized in that: uniform 3～8 wedge-shaped impressions of described shell (6) interior edge face (6.1), nut sleeve (3) right side is provided with equivalent wedge shape boss (3.1); Described jump ring circle (4) is installed in and screws in the lump in nut sleeve (3) the outer wall rectangular ring groove (3.2) in shell (6) inner chamber, jump ring circle (4) snaps in the axial limiting structure that constitutes nut sleeve (3) opposite shell (6) in two grooves, and wedge-shaped impression (6.1) cooperates formation to screw linkage structure with wedge shape boss (3.1); Described adapter (2) is filled in from nut sleeve (3) left end, take over (2) left tube wall suit sealing gasket (5), the right mouth of pipe and the bellows (1) that expose shell (6) right side are tightly connected, take over (2) and cooperate the counterrotating bearing structure of formation with pipe box (2.3) by dress steel ball (2.2) in the outer ring set (2.1) that is provided with annular inside groove, outer ring set (2.1) left and right sides end face is the plane and is parallel to each other that outer ring set (2.1) left and right sides end face is perpendicular to axis.
2. according to the described antitheft and anti-demolition diaphragm gas meter corrugated pipe connector of claim 1, it is characterized in that: the uniform wedge-shaped impression rotation direction of described shell (6) interior edge face is for recessed clockwise, and the uniform wedge shape boss rotation direction in nut sleeve (3) right side is to rise counterclockwise.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100320314A CN101592276B (en) | 2009-07-07 | 2009-07-07 | Antitheft and anti-detaching gas meter corrugated pipe connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100320314A CN101592276B (en) | 2009-07-07 | 2009-07-07 | Antitheft and anti-detaching gas meter corrugated pipe connector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101592276A CN101592276A (en) | 2009-12-02 |
| CN101592276B true CN101592276B (en) | 2011-04-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009100320314A Expired - Fee Related CN101592276B (en) | 2009-07-07 | 2009-07-07 | Antitheft and anti-detaching gas meter corrugated pipe connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101592276B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105258754B (en) * | 2015-09-28 | 2018-08-24 | 宁波忻杰燃气用具实业有限公司 | Anti-demolition diaphragm gas meter connector |
| CN107461561A (en) * | 2017-10-12 | 2017-12-12 | 开平市积雨卫浴实业有限公司 | A kind of Revolving joint |
| CN109630782B (en) * | 2018-12-17 | 2021-02-05 | 宁波世峻汽配科技有限公司 | Rubber oil pipe convenient to hang and fix |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3344758A1 (en) * | 1983-12-10 | 1985-06-20 | Regast Regelung-Automation-Steuerung Gmbh, 1000 Berlin | Safety tube screw union |
| CN2596157Y (en) * | 2002-10-28 | 2003-12-31 | 上海煤气表具股份有限公司 | Backing-stop non-reverse connector between gas meter and pipeline |
| CN2630808Y (en) * | 2003-07-18 | 2004-08-04 | 上海煤气表具股份有限公司 | No-return irreversible connection device for gas meter and pipeline |
| CN100394096C (en) * | 2003-01-31 | 2008-06-11 | A·雷蒙德和西耶公司 | Removable insertion connection for high-pressure line |
-
2009
- 2009-07-07 CN CN2009100320314A patent/CN101592276B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3344758A1 (en) * | 1983-12-10 | 1985-06-20 | Regast Regelung-Automation-Steuerung Gmbh, 1000 Berlin | Safety tube screw union |
| CN2596157Y (en) * | 2002-10-28 | 2003-12-31 | 上海煤气表具股份有限公司 | Backing-stop non-reverse connector between gas meter and pipeline |
| CN100394096C (en) * | 2003-01-31 | 2008-06-11 | A·雷蒙德和西耶公司 | Removable insertion connection for high-pressure line |
| CN2630808Y (en) * | 2003-07-18 | 2004-08-04 | 上海煤气表具股份有限公司 | No-return irreversible connection device for gas meter and pipeline |
Non-Patent Citations (1)
| Title |
|---|
| JP特开2002-39465A 2002.02.06 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101592276A (en) | 2009-12-02 |
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