CN204025974U - A kind of inflating gas cylinder joint - Google Patents

A kind of inflating gas cylinder joint Download PDF

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Publication number
CN204025974U
CN204025974U CN201420327431.4U CN201420327431U CN204025974U CN 204025974 U CN204025974 U CN 204025974U CN 201420327431 U CN201420327431 U CN 201420327431U CN 204025974 U CN204025974 U CN 204025974U
Authority
CN
China
Prior art keywords
seal ring
fastening nut
joint
suction tude
gas cylinder
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201420327431.4U
Other languages
Chinese (zh)
Inventor
张屹佑
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NTU INDUSTRIAL GASES (TAICANG) Co Ltd
Original Assignee
NTU INDUSTRIAL GASES (TAICANG) Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by NTU INDUSTRIAL GASES (TAICANG) Co Ltd filed Critical NTU INDUSTRIAL GASES (TAICANG) Co Ltd
Priority to CN201420327431.4U priority Critical patent/CN204025974U/en
Application granted granted Critical
Publication of CN204025974U publication Critical patent/CN204025974U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model relates to a kind of inflating gas cylinder joint, the fastening nut that inflating gas cylinder joint comprises suction tude joint, suction tude joint is wrapped up; One end that suction tude joint is provided with seal ring is provided with counterbore, and counter bore side is the conical surface, and seal ring buckles into counterbore; One end that seal ring coordinates with gas cylinder is provided with the taper hole coordinating with gas cylinder suction port, and the seal ring the other end is provided with cylindrical hole; The cylindrical hole of seal ring is provided with distortion groove, and taper hole surface is provided with fitting groove; Between flange and fastening nut, be provided with holddown spring; Fastening nut is provided with and is communicated with hole, the whistle extraneous and fastening nut inside.The utility model is simple in structure, and distortion groove makes seal ring inwardly shrink the laminating that adds big sealing ring and cylinder interface owing to being subject to gas cylinder extruding when mounted, prevents Leakage Gas.Fitting groove on the conical surface can be blocked gauffer and extend the leakage causing in the time of seal ring gauffer.When leakage, give the alarm to remind operator.Spring and conical surface can prevent that the laminating that suction tude radius off-set joint causes is not tight.

Description

A kind of inflating gas cylinder joint
Technical field
The utility model relates to a kind of gas-charging connection, particularly a kind of inflating gas cylinder joint.
Background technique
In existing industrial gas are produced, conventionally need to carry out packing to industrial gas, and conventionally carry out gas conveying by flexible pipe in point process of assembling, and by pipe joint, flexible pipe is connected with gas cylinder in existing production.When existing pipe joint connects, after the long-term use of described pipe joint, very easily occur leaking and being difficult for being found.The gas leaking very easily very easily freezes and causes security incident in pipe joint leak.
Model utility content
For the deficiencies in the prior art, the purpose of this utility model is to provide a kind of inflating gas cylinder joint, and it is simple in structure, can in the time connecting, add the laminating of big sealing ring and cylinder interface, prevent Leakage Gas, the vibration steel disc on fastening nut can give the alarm to remind operator in the time leaking.
The utility model solves the technological scheme that its technical problem adopts: described inflating gas cylinder joint, the fastening nut that described inflating gas cylinder joint comprises suction tude joint, described suction tude joint is wrapped up, one end that described fastening nut wraps up described suction tude joint is sealed end and is provided with through hole, and described suction tude joint opening one end is provided with the binding thread being connected with gas cylinder.Described suction tude joint stretches in fastening nut by described through hole, described suction tude joint stretches into fastening nut one end and is provided with flange, described flange outside diameter is greater than described through-hole diameter, and described suction tude joint stretches into fastening nut one end and be provided with the seal ring of quality of rubber materials.One end that described suction tude joint is provided with seal ring is provided with counterbore, and described counter bore side is the conical surface, and at the bottom of the hole of described counterbore, diameter is greater than the orifice diameter of described counterbore.Described seal ring buckles into described counterbore, described seal ring side and the laminating of described counter bore side.One end external diameter that described seal ring exposes suction tude joint is large compared with described counterbore opening diameter.One end that described seal ring coordinates with gas cylinder is provided with the taper hole coordinating with gas cylinder suction port, and the described seal ring the other end is provided with cylindrical hole.The cylindrical hole inwall of described seal ring is provided with annular distortion groove, and described taper hole surface is provided with annular fitting groove.Between described flange and fastening nut, be provided with holddown spring, described spring to flange elastic force towards fastening nut opening end.Described fastening nut is provided with and is communicated with hole, the whistle extraneous and fastening nut inside, hole, the described whistle be provided with air-flow by time sounding vibration steel disc.
In above-mentioned design, it is simple in structure, and the distortion groove of seal ring cylindrical hole inwardly shrinks seal ring owing to being subject to gas cylinder extruding when mounted, adds the laminating of big sealing ring and cylinder interface in the time connecting, and prevents Leakage Gas.Fitting groove on the described conical surface can be blocked gauffer extension and cause leakage in the time of seal ring gauffer.Vibration steel disc on fastening nut can give the alarm to remind operator in the time leaking.Spring in fastening nut can prevent that the laminating that suction tude radius off-set joint causes is not tight.
As the design's better improvement, described distortion groove longitudinal section is V-arrangement, and gauffer should not appear in distortion groove seal ring in the time of sealing distortion.
As the design's better improvement, described fitting groove longitudinal section is arc, and the fitting groove physical life of described arc is long, should not tear.
As the design's better improvement, described through hole is provided with conical surface towards fastening nut opening end, described suction tude joint outer surface and the laminating of described conical surface.Described conical surface avoids suction tude connecting head dislocation in the time connecting to cause leakage.
The beneficial effects of the utility model are: the utility model is simple in structure, and the distortion groove of seal ring cylindrical hole inwardly shrinks seal ring owing to being subject to gas cylinder extruding when mounted, adds the laminating of big sealing ring and cylinder interface in the time connecting, and prevents Leakage Gas.Fitting groove on the described conical surface can be blocked gauffer extension and cause leakage in the time of seal ring gauffer.Vibration steel disc on fastening nut can give the alarm to remind operator in the time leaking.Spring in fastening nut can prevent that the laminating that suction tude radius off-set joint causes is not tight.Described conical surface avoids suction tude connecting head dislocation in the time connecting to cause leakage.
Brief description of the drawings
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is structural representation of the present utility model.
1. suction tude joints in the drawings, 2. conical surface, 3. spring, the 4. conical surface, 5. fastening nut, 6. binding thread, 7. seal ring, 8. flange, 9. counterbore, 10. hole, the whistle, 11. vibration steel discs, 12. distortion grooves, 13. cylindrical holes, 14. fitting grooves, 15. taper holes, 16. through holes.
Embodiment
Describe the utility model in detail below in conjunction with accompanying drawing and specific embodiment, illustrative examples wherein and explanation are only used for explaining the utility model, but not as to restriction of the present utility model.
As shown in the figure, described inflating gas cylinder joint, the fastening nut 5 that described inflating gas cylinder joint comprises suction tude joint 1, described suction tude joint 1 is wrapped up, one end that described fastening nut 5 wraps up described suction tude joint 1 is sealed end and is provided with through hole 16, and described suction tude joint 1 opening one end is provided with the binding thread 6 being connected with gas cylinder.Described suction tude joint 1 stretches in fastening nut 5 by described through hole 16, described suction tude joint 1 stretches into fastening nut 5 one end and is provided with flange 8, described flange 8 external diameters are greater than described through hole 16 diameters, and described suction tude joint 1 stretches into fastening nut 5 one end and be provided with the seal ring 7 of quality of rubber materials.One end that described suction tude joint 1 is provided with seal ring 7 is provided with counterbore 9, and described counterbore 9 sides are the conical surface 4, and at the bottom of the hole of described counterbore 9, diameter is greater than the orifice diameter of described counterbore 9.Described seal ring 7 buckles into described counterbore 9, described seal ring 7 sides and the 9 side laminatings of described counterbore.One end external diameter that described seal ring 7 exposes suction tude joint 1 is large compared with described counterbore 9 opening diameters.One end that described seal ring 7 coordinates with gas cylinder is provided with the taper hole 15 coordinating with gas cylinder suction port, and described seal ring 7 the other ends are provided with cylindrical hole 13.Cylindrical hole 13 inwalls of described seal ring 7 are provided with annular distortion groove 12, and described taper hole 15 surfaces are provided with annular fitting groove 14.Between described flange 8 and fastening nut 5, be provided with holddown spring 3, described spring 3 to flange 8 elastic force towards fastening nut 5 opening ends.Described fastening nut 5 is provided with and is communicated with holes, the whistle 10 extraneous and fastening nut 5 inside, hole, the described whistle 10 be provided with air-flow by time sounding vibration steel disc 11.
In above-mentioned design, it is simple in structure, and the distortion groove 12 of seal ring 7 cylindrical holes 13 inwardly shrinks seal ring 7 owing to being subject to gas cylinder extruding when mounted, adds the laminating of big sealing ring 7 and cylinder interface in the time connecting, and prevents Leakage Gas.Fitting groove 14 on the described conical surface 4 can be blocked gauffer extension and cause leakage in the time of seal ring 7 gauffer.Vibration steel disc 11 on fastening nut 5 can give the alarm to remind operator in the time leaking.Spring 3 in fastening nut 5 can prevent that the misplace laminating that causes of suction tude joint 1 is not tight.
As the design's better improvement, described distortion groove 12 longitudinal sections are V-arrangement, and gauffer should not appear in distortion groove 12 seal ring 7 in the time of sealing distortion.
As the design's better improvement, described fitting groove 14 longitudinal sections are arc, and fitting groove 14 physical lives of described arc are long, should not tear.
As the design's better improvement, described through hole 16 is provided with conical surface 2 towards fastening nut 5 opening ends, and described suction tude joint 1 outer surface and described conical surface 2 are fitted.Described conical surface 2 avoids suction tude connecting head dislocation in the time connecting to cause leakage.
The foregoing is only embodiment of the present utility model; not thereby limit the scope of the claims of the present utility model; every equivalent structure or conversion of equivalent flow process that utilizes the utility model specification and accompanying drawing content to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.

Claims (4)

1. an inflating gas cylinder joint, the fastening nut that described inflating gas cylinder joint comprises suction tude joint, described suction tude joint is wrapped up, one end that described fastening nut wraps up described suction tude joint is sealed end and is provided with through hole, and described suction tude joint opening one end is provided with the binding thread being connected with gas cylinder; Described suction tude joint stretches in fastening nut by described through hole, described suction tude joint stretches into fastening nut one end and is provided with flange, described flange outside diameter is greater than described through-hole diameter, and described suction tude joint stretches into fastening nut one end and be provided with the seal ring of quality of rubber materials; It is characterized in that: one end that described suction tude joint is provided with seal ring is provided with counterbore, described counter bore side is the conical surface, and at the bottom of the hole of described counterbore, diameter is greater than the orifice diameter of described counterbore; Described seal ring buckles into described counterbore, described seal ring side and the laminating of described counter bore side; One end external diameter that described seal ring exposes suction tude joint is large compared with described counterbore opening diameter; One end that described seal ring coordinates with gas cylinder is provided with the taper hole coordinating with gas cylinder suction port, and the described seal ring the other end is provided with cylindrical hole; The cylindrical hole inwall of described seal ring is provided with annular distortion groove, and described taper hole surface is provided with annular fitting groove; Between described flange and fastening nut, be provided with holddown spring, described spring to flange elastic force towards fastening nut opening end; Described fastening nut is provided with and is communicated with hole, the whistle extraneous and fastening nut inside, hole, the described whistle be provided with air-flow by time sounding vibration steel disc.
2. a kind of inflating gas cylinder joint according to claim 1, is characterized in that, described distortion groove longitudinal section is V-arrangement.
3. a kind of inflating gas cylinder joint according to claim 1, is characterized in that, described fitting groove longitudinal section is arc.
4. a kind of inflating gas cylinder joint according to claim 1, is characterized in that, described through hole is provided with conical surface towards fastening nut opening end, described suction tude joint outer surface and the laminating of described conical surface.
CN201420327431.4U 2014-06-18 2014-06-18 A kind of inflating gas cylinder joint Expired - Fee Related CN204025974U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420327431.4U CN204025974U (en) 2014-06-18 2014-06-18 A kind of inflating gas cylinder joint

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420327431.4U CN204025974U (en) 2014-06-18 2014-06-18 A kind of inflating gas cylinder joint

Publications (1)

Publication Number Publication Date
CN204025974U true CN204025974U (en) 2014-12-17

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420327431.4U Expired - Fee Related CN204025974U (en) 2014-06-18 2014-06-18 A kind of inflating gas cylinder joint

Country Status (1)

Country Link
CN (1) CN204025974U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105864541A (en) * 2016-05-18 2016-08-17 无锡工艺职业技术学院 Connector
CN108426679A (en) * 2018-02-28 2018-08-21 重庆广福科技有限公司 Sealing device for auto parts machinery air-leakage test

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105864541A (en) * 2016-05-18 2016-08-17 无锡工艺职业技术学院 Connector
CN108426679A (en) * 2018-02-28 2018-08-21 重庆广福科技有限公司 Sealing device for auto parts machinery air-leakage test

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Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20141217

Termination date: 20150618

EXPY Termination of patent right or utility model