CN207729101U - A kind of direct insertion fuel gas transmission straight-through pipe fitting of stainless steel corrugated flexible hose - Google Patents
A kind of direct insertion fuel gas transmission straight-through pipe fitting of stainless steel corrugated flexible hose Download PDFInfo
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- CN207729101U CN207729101U CN201820091046.2U CN201820091046U CN207729101U CN 207729101 U CN207729101 U CN 207729101U CN 201820091046 U CN201820091046 U CN 201820091046U CN 207729101 U CN207729101 U CN 207729101U
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- straight
- flexible hose
- corrugated flexible
- pipe fitting
- stainless steel
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Abstract
The utility model discloses a kind of direct insertion fuel gas transmission stainless steel corrugated flexible hoses to lead directly to pipe fitting, include the sheath of corrugated flexible hose and set on it, the inner wall of the sheath is evenly distributed with several air slots, it further include straight-through pedestal, clamping ring, pressing sleeve and gasket, the internal orifice on the straight-through pedestal head is equipped with inner conical surface, the male cone (strobilus masculinus) of the inner conical surface and clamping ring offsets, the end face of the clamping ring and the end face of pressing sleeve offset, the excircle orientation of the clamping ring is in the step inner circle of pressing sleeve, another side end face of the gasket and pressing sleeve offsets, the gasket is fixed in the step of pressing sleeve.The utility model provides a kind of straight-through pipe fitting of direct insertion fuel gas transmission stainless steel corrugated flexible hose simple in structure, easy installation and reliable, that tensile strength is high, sealing effect is good, fundamentally solve the deficiency and defect of current existing direct insertion attachment device, ensure to install and use convenient and reliable, improves bonding strength, sealing performance and service life.
Description
Technical field
The utility model is related to straight-through pipe fitting technical fields, and in particular to a kind of live simplicity by hand of energy is installed direct insertion
Fuel gas transmission stainless steel corrugated flexible hose leads directly to pipe fitting.
Background technology
Existing direct insertion fuel gas transmission stainless steel corrugated flexible hose leads directly to pipe fitting, and there are two types of structures：One is use copper pawl
The elastic clip collar integral with plastic injection, using the port sealing of rubber sleeve and corrugated flexible hose, due to the material of copper and plastics
Matter differs greatly, and coefficient of thermal expansion gap is big, and degree of aging also has a long way to go, and service life does not ensure, in addition elastic clip collar
Rigidity is relatively low and corrugated flexible hose assembly tighten after tensile strength it is relatively low, be generally only used for DN15 or less latus rectums
Fuel gas transmission is connected with stainless steel corrugated flexible hose, is cut off by manual additionally, due to the port pipe cutter of corrugated flexible hose, port
Than sharp, or even there is zigzag appearance, the flat rubber sheet gasket of damage end face sealing is easy to when installation is tightened, causes to let out
Leak or leave security risk；Another structure is that have folder in the lower part of metallic sheath using opening and with tapered metallic sheath
Tight step, is equipped with rubber sleeve in metallic sheath, when installation, covers axial displacement by open metal, and radial to collapse, opening becomes smaller,
The step of one side lower part sandwiches wave trough, plays a supporting role, meanwhile, metallic sheath collapses, and it is soft that rubber sleeve is also pressed on ripple
In the outer circle of pipe, play the role of sealing, since the metallic sheath of opening is long, taper is smaller, the gathering amount ratio of clamping
Smaller, tensile strength is relatively low, while metallic sheath, because there is opening, opening is to rubber sleeve almost without pressing force, sealing effect
Fruit is undesirable, and there are security risks to be difficult to when mounted in addition this structure needs 2 or more ripples and rubber sleeve sealings
Several ripples are inserted into control, be easy to cause the underproof hidden danger of installation.
Utility model content
In view of the shortcomings of the prior art, the utility model provides a kind of simple in structure, easy installation and reliable, tensile strength
The direct insertion fuel gas transmission high, sealing effect is good leads directly to pipe fitting with stainless steel corrugated flexible hose, fundamentally solves existing at present
Direct insertion attachment device deficiency and defect, it is ensured that installs and uses is convenient and reliable, improve bonding strength, sealing performance and
Service life.
To realize that purpose of utility model, the utility model use following technical scheme：
A kind of direct insertion fuel gas transmission straight-through pipe fitting of stainless steel corrugated flexible hose, includes the shield of corrugated flexible hose and set on it
Set, the inner wall of the sheath are evenly distributed with several air slots, and air slot can ensure the circulation of gas, further include straight-through bottom
Seat, clamping ring, pressing sleeve and gasket, the internal orifice on the straight-through pedestal head are equipped with inner conical surface, the inner conical surface and clamping ring
Male cone (strobilus masculinus) offsets, and the end face of the clamping ring and the end face of pressing sleeve offset, the step of the excircle orientation of the clamping ring in pressing sleeve
In inner circle, another side end face of the gasket and pressing sleeve offsets, and the gasket is fixed in the step of pressing sleeve, and pressing sleeve can be with
Axial displacement, pressing sleeve side position the radial direction of clamping ring, it is ensured that the center of clamping ring and the center of straight-through pipe fitting are basic
Unanimously, the pressing sleeve other side and gasket are assembled together, can be when straight-through pipe fitting is installed and tightened first by clamping ring to straight-through bottom
It is squeezed in seat.
Preferably, the straight-through pedestal is threadedly coupled with straight coupling, is equipped between the straight-through pedestal and straight coupling
Locating ring, the outer circle of the pressing sleeve and the inner cavity of straight coupling match.
Preferably, sealing ring is equipped in the tail portion of the straight-through pedestal, the sealing ring constitutes sealing structure with sheath.
Preferably, the head of the straight-through pedestal is equipped with external screw thread, and the externally threaded bottom is equipped with escape, described to move back
Sealing ring is equipped in cutter groove, when straight-through pedestal is tightened with straight coupling, sealing ring will be squeezed and generate sealing, on the one hand
The intrusion of extraneous harmful substance can be prevented, on the other hand can prevent the combustion gas of leakage from leaking from external screw thread, it is ensured that leakage
Combustion gas can only be discharged from leak.
Preferably, the straight-through pedestal is equipped with leak, and the aperture of the leak is 0.5-1.5mm, and leak is simultaneous
The intrusion for being smoothly discharged and preventing harmful substance of leakage combustion gas is cared for, once corrugated flexible hose is damaged and causes gas leakage, is then let out
The combustion gas of leakage flows to the straight-through pedestal at both ends along the air slot in sheath, is finally discharged from leak.
Preferably, the side of the gasket is plane and offsets with straight coupling, the conical surface and ripple that the other side is equipped with
The side of hose offsets, and when installation is tightened, gasket is squeezed and realizes sealing.
Preferably, the straight coupling is equipped with screw thread, which is standard pipe thread, the convenient company with other pipe fittings
It connects.
Preferably, the clamping ring is equipped with opening, and between 3-9mm, the distance of opening can ensure the distance of opening
Straight-through pedestal and straight coupling since clamping ring is collapsed in the effect of taper and clamp corrugated flexible hose in rundown process,
The ripple of insertion is positioned and is supported, and can bear the tensile strength of relevant criterion requirement.
Preferably, the male cone (strobilus masculinus) of the clamping ring is consistent with the taper of the inner conical surface of straight-through pedestal, and taper is in 15-30 degree models
In enclosing, inner conical surface and male cone (strobilus masculinus) deeply the collapsing with clamping ring when installation is tightened.
Preferably, step is equipped in the clamping ring, which is located on the trough being connected with corrugated flexible hose primary peak,
The insertion depth of corrugated flexible hose is limited with structure, it is ensured that can be only inserted into 1 ripple, avoid the possibility for being inserted beyond 1 ripple.
Preferably, the internal diameter of the seal ring is more than the outer diameter of the port of corrugated flexible hose incision, and sealing ring is avoided to tighten
It is hurt by the port of corrugated flexible hose incision in deformation process.
Preferably, the clamping ring is constituted for metal material.
Preferably, the sheath and locating ring are that plastic material is constituted.
Operation principle：
When installation, as long as fuel gas transmission is inserted directly into straight-through pipe fitting with stainless steel corrugated flexible hose, with sound and feel energy
Feel to be already inserted into clamping ring, gently draw corrugated flexible hose with hand at this time, will not pull out, then remove locating ring, will be led directly to spanner
Pedestal is tightened with straight coupling.
Internal procedure：When installation, clamping ring is squeezed into straight-through pedestal, and clamping ring collapses, then gasket is squeezed, and is constituted
Sealing, final clamping ring almost collapse, and can reach and exceed the requirement of relevant national standard.
The utility model has the beneficial effects that：The utility model provides a kind of simple in structure, easy installation and reliable, tension
The direct insertion fuel gas transmission that intensity is high, sealing effect is good leads directly to pipe fitting with stainless steel corrugated flexible hose, fundamentally solves at present
The deficiency and defect of existing direct insertion attachment device, it is ensured that installs and uses is convenient and reliable, improves bonding strength, leakproofness
Energy and service life.
Description of the drawings
Fig. 1 is the structural schematic diagram before the utility model is tightened；
Fig. 2 is the structural schematic diagram after the utility model is tightened.
In the figures above：1, corrugated flexible hose；2, sheath；3, pedestal is led directly to；4, sealing ring；5, sealing ring；6, inner conical surface；7、
Clamping ring；8, male cone (strobilus masculinus)；9, pressing sleeve；10, gasket；11, straight coupling；12, locating ring；13, leak.
Specific implementation mode
The utility model is further described by specific implementation mode below in conjunction with the accompanying drawings.
As shown in Figure 1 and Figure 2, a kind of direct insertion fuel gas transmission stainless steel corrugated flexible hose leads directly to pipe fitting, including corrugated flexible hose
1 sheath 2 with set on it, the inner wall of the sheath 2 are evenly distributed with several air slots, and air slot can ensure the stream of gas
It is logical, further include straight-through pedestal 3, clamping ring 7, pressing sleeve 9 and gasket 10, the internal orifice on 3 head of straight-through pedestal is equipped with inner conical surface
6, the inner conical surface 6 and the male cone (strobilus masculinus) 8 of clamping ring 7 offset, and the end face and the end face of pressing sleeve 9 of the clamping ring 7 offset, the folder
In the step inner circle of pressing sleeve 9, the gasket 10 and another side end face of pressing sleeve 9 offset the excircle orientation of collar 7, described close
Packing 10 is fixed in the step of pressing sleeve 9, and pressing sleeve 9 can position the radial direction of clamping ring 7 with axial displacement, 9 side of pressing sleeve,
Ensure that center and the center of straight-through pipe fitting of clamping ring 7 are almost the same, 9 other side of pressing sleeve and gasket 10 are assembled together, energy
It is enough first to squeeze clamping ring 7 into straight-through pedestal 3 when the installation of straight-through pipe fitting is tightened.
Specifically, the straight-through pedestal 3 is threadedly coupled with straight coupling 11, the straight-through pedestal 3 and straight coupling 11 it
Between be equipped with locating ring 12, the outer circle of the pressing sleeve 9 and the inner cavity of straight coupling 11 match, are set in the tail portion of the straight-through pedestal 3
There are sealing ring 4, the sealing ring 4 to constitute sealing structure with sheath 2, the head of the straight-through pedestal 3 is equipped with external screw thread, described outer
The bottom of screw thread is equipped with escape, and sealing ring 5 is equipped in the escape, close when straight-through pedestal 3 is tightened with straight coupling 11
Seal 5 will be squeezed and generate sealing, on the one hand can prevent the intrusion of extraneous harmful substance, on the other hand being capable of anti-stopping leak
The combustion gas of leakage leaks from external screw thread, it is ensured that leakage combustion gas can only be discharged from leak 13.
Specifically, the straight-through pedestal 3 is equipped with leak 13, the aperture of the leak 13 is 0.5-1.5mm, leakage
The intrusion for being smoothly discharged and preventing harmful substance of leakage combustion gas is taken into account in hole 13, once corrugated flexible hose is damaged and combustion gas is caused to let out
Leakage, the then combustion gas leaked flow to the straight-through pedestal 3 at both ends along the air slot in sheath, are finally discharged from leak 13.
Specifically, the side of the gasket 10 is plane and to offset with straight coupling 11, the conical surface that the other side is equipped with
The side of corrugated flexible hose offsets, and when installation is tightened, gasket 10 is squeezed and realizes sealing, and the straight coupling 11 is equipped with
Screw thread, the screw thread are standard pipe thread, and the convenient connection with other pipe fittings, the clamping ring 7, which is equipped with, to be open, the distance of opening
Between 3-9mm, the distance of opening can ensure straight-through pedestal 3 and straight coupling 11 in rundown process, due to the work of taper
Corrugated flexible hose is clamped with collapsing clamping ring 7, the ripple of insertion is positioned and supported, relevant criterion requirement can be born
Tensile strength.
Specifically, the male cone (strobilus masculinus) 8 of the clamping ring 7 is consistent with the taper of inner conical surface 6 of straight-through pedestal 3, taper is in 15-30
It spends in range, inner conical surface 6 and male cone (strobilus masculinus) 8 deeply the collapsing with clamping ring 7 when installation is tightened set in the clamping ring 7
There is step, which is located on the trough being connected with corrugated flexible hose primary peak, and the insertion depth of corrugated flexible hose is limited with structure,
Ensure to can be only inserted into 1 ripple, avoid the possibility for being inserted beyond 1 ripple, 5 internal diameter of the sealing ring is cut more than corrugated flexible hose
The outer diameter of port at mouthful avoids sealing ring 5 from being hurt by the port of corrugated flexible hose incision in tightening deformation process, the folder
Collar is constituted for metal material, and the sheath 2 and locating ring 12 are that plastic material is constituted.
Operation principle：
When installation, as long as fuel gas transmission is inserted directly into straight-through pipe fitting with stainless steel corrugated flexible hose, with sound and feel energy
Feel to be already inserted into clamping ring, gently draw corrugated flexible hose with hand at this time, will not pull out, then remove locating ring, will be led directly to spanner
Pedestal is tightened with straight coupling.
Internal procedure：When installation, clamping ring is squeezed into straight-through pedestal, and clamping ring collapses, then gasket is squeezed, and is constituted
Sealing, final clamping ring almost collapse, and can reach and exceed the requirement of relevant national standard.
The foregoing is merely the structure features of specific embodiment of the utility model, but the utility model to be not limited to
This, the utility model can be used on similar product, and any those skilled in the art is in the field of the utility model, institute
The changes or modifications of work all cover among the scope of the claims of the utility model.
Claims (10)
1. a kind of direct insertion fuel gas transmission stainless steel corrugated flexible hose leads directly to pipe fitting, including corrugated flexible hose (1) and cover on it
The inner wall of sheath (2), the sheath (2) is evenly distributed with several air slots, it is characterised in that：Further include straight-through pedestal (3), folder
Collar（7）, pressing sleeve（9）And gasket（10）, the internal orifice on straight-through pedestal (3) head is equipped with inner conical surface（6）, the inner conical surface
（6）With clamping ring（7）Male cone (strobilus masculinus)（8）It offsets, the clamping ring（7）End face and pressing sleeve（9）End face offset, the clamping
Circle（7）Excircle orientation in pressing sleeve（9）Step inner circle in, the gasket（10）With pressing sleeve（9）Another side end face offset,
The gasket（10）It is fixed on pressing sleeve（9）Step in.
2. direct insertion fuel gas transmission stainless steel corrugated flexible hose as described in claim 1 leads directly to pipe fitting, it is characterised in that：It is described
Straight-through pedestal (3) and straight coupling（11）It is threadedly coupled, the straight-through pedestal (3) and straight coupling（11）Between be equipped with locating ring
（12）, the pressing sleeve（9）Outer circle and straight coupling（11）Inner cavity match.
3. direct insertion fuel gas transmission stainless steel corrugated flexible hose as described in claim 1 leads directly to pipe fitting, it is characterised in that：It is described
Sealing ring (4) is equipped in the tail portion of straight-through pedestal (3), the sealing ring (4) constitutes sealing structure with sheath (2).
4. direct insertion fuel gas transmission stainless steel corrugated flexible hose as described in claim 1 leads directly to pipe fitting, it is characterised in that：It is described
The head of straight-through pedestal (3) is equipped with external screw thread, and the externally threaded bottom is equipped with escape, sealing ring is equipped in the escape
（5）.
5. direct insertion fuel gas transmission stainless steel corrugated flexible hose as described in claim 1 leads directly to pipe fitting, it is characterised in that：It is described
Straight-through pedestal (3) is equipped with leak (13), and the aperture of the leak (13) is 0.5-1.5mm.
6. direct insertion fuel gas transmission stainless steel corrugated flexible hose as described in claim 1 leads directly to pipe fitting, it is characterised in that：It is described
Gasket（10）Side be plane and and straight coupling（11）It offsets, the side phase of the conical surface that the other side is equipped with and corrugated flexible hose
It supports.
7. direct insertion fuel gas transmission stainless steel corrugated flexible hose as described in claim 1 leads directly to pipe fitting, it is characterised in that：It is described
Clamping ring（7）It is equipped with opening, the distance of opening is between 3-9mm.
8. direct insertion fuel gas transmission stainless steel corrugated flexible hose as described in claim 1 leads directly to pipe fitting, it is characterised in that：It is described
Clamping ring（7）Male cone (strobilus masculinus)（8）With the inner conical surface of straight-through pedestal (3)（6）Taper it is consistent, taper is within the scope of 15-30 degree.
9. direct insertion fuel gas transmission stainless steel corrugated flexible hose as described in claim 1 leads directly to pipe fitting, it is characterised in that：It is described
Clamping ring is constituted for metal material.
10. direct insertion fuel gas transmission stainless steel corrugated flexible hose as claimed in claim 2 leads directly to pipe fitting, it is characterised in that：Institute
State sheath（2）And locating ring（12）It is that plastic material is constituted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820091046.2U CN207729101U (en) | 2018-01-19 | 2018-01-19 | A kind of direct insertion fuel gas transmission straight-through pipe fitting of stainless steel corrugated flexible hose |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820091046.2U CN207729101U (en) | 2018-01-19 | 2018-01-19 | A kind of direct insertion fuel gas transmission straight-through pipe fitting of stainless steel corrugated flexible hose |
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| Publication Number | Publication Date |
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| CN207729101U true CN207729101U (en) | 2018-08-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820091046.2U Active CN207729101U (en) | 2018-01-19 | 2018-01-19 | A kind of direct insertion fuel gas transmission straight-through pipe fitting of stainless steel corrugated flexible hose |
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| CN (1) | CN207729101U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108105501A (en) * | 2018-01-19 | 2018-06-01 | 杭州万全金属软管有限公司 | A kind of direct insertion fuel gas transmission leads directly to pipe fitting with stainless steel corrugated flexible hose |
-
2018
- 2018-01-19 CN CN201820091046.2U patent/CN207729101U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108105501A (en) * | 2018-01-19 | 2018-06-01 | 杭州万全金属软管有限公司 | A kind of direct insertion fuel gas transmission leads directly to pipe fitting with stainless steel corrugated flexible hose |
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