CN105715902B - Tube end protection apparatus and piping product - Google Patents
Tube end protection apparatus and piping product Download PDFInfo
- Publication number
- CN105715902B CN105715902B CN201510958805.1A CN201510958805A CN105715902B CN 105715902 B CN105715902 B CN 105715902B CN 201510958805 A CN201510958805 A CN 201510958805A CN 105715902 B CN105715902 B CN 105715902B
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- CN
- China
- Prior art keywords
- tube end
- face
- protection apparatus
- eaves portion
- cyclic annular
- Prior art date
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- 125000004122 cyclic group Chemical group 0.000 claims abstract description 90
- 239000012530 fluid Substances 0.000 claims abstract description 70
- 230000002093 peripheral effect Effects 0.000 claims abstract description 66
- 238000007789 sealing Methods 0.000 claims abstract description 38
- 238000009434 installation Methods 0.000 claims description 10
- 238000002788 crimping Methods 0.000 abstract description 5
- 239000000047 product Substances 0.000 description 33
- 239000000203 mixture Substances 0.000 description 26
- 239000011248 coating agent Substances 0.000 description 14
- 238000000576 coating method Methods 0.000 description 14
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 241001442589 Convoluta Species 0.000 description 4
- 230000008859 change Effects 0.000 description 4
- 239000013039 cover film Substances 0.000 description 4
- 238000003780 insertion Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- 229920000180 alkyd Polymers 0.000 description 3
- 239000000470 constituent Substances 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 238000005266 casting Methods 0.000 description 2
- 239000010408 film Substances 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- -1 polypropylene Polymers 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000007767 bonding agent Substances 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 229930195729 fatty acid Natural products 0.000 description 1
- 239000000194 fatty acid Substances 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
- 235000000396 iron Nutrition 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 230000003449 preventive effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 150000005846 sugar alcohols Polymers 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/10—Means for stopping flow from or in pipes or hoses
- F16L55/105—Closing devices introduced radially into the pipe or hose
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L57/00—Protection of pipes or objects of similar shape against external or internal damage or wear
- F16L57/005—Protection of pipes or objects of similar shape against external or internal damage or wear specially adapted for the ends of pipes
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pipe Accessories (AREA)
Abstract
The present invention provide it is a kind of have deviation even if the diameter of the fluid passage of tube end, for the leakproofness and assembly and disassembly property of tube end excellent tube end protection apparatus and piping product.The tube end is dismantledly installed in the valve buckle end with the annular end face for forming the inner peripheral wall of fluid passage and intersecting with the inner peripheral wall with protection apparatus, and has: for being inserted into the cylindrical portion of space-closed in valve buckle end and cylinder；Be set to the outer peripheral surface of cylindrical portion and crimping be sticked in valve buckle end inner peripheral wall anticreep outwardly projecting portion；The cyclic annular eaves portion of cylindrical portion is separated and is integrally formed in a manner of the annular end face towards valve buckle end in the central axial direction of cylindrical portion relative to outwardly projecting portion；With cone cell sealing, it is located between outwardly projecting portion and cyclic annular eaves portion in central axial direction, and have be with the mode inclined periphery conical surface big in cyclic annular eaves portion side radius ratio outwardly projecting portion the fluid passage that the periphery conical surface is sticked in valve buckle end end periphery edge point.
Description
Technical field
The present invention relates to be installed on tube end and prevent foreign matter from entering in pipe and to protect the pipe end of the sealing surface of tube end
It protects apparatus and has the piping product of tube end protection apparatus in tube end in portion.
Background technique
In various tubular products and/or it is connected to the product such as valve, strainer (strainer), pipe fitting, piping etc. of pipe
It is piped in product, is sealed using preventing foreign matter from entering the gasket base etc. in product and/or protecting tube end from tube end
The tube end in face protection apparatus.
As previous tube end protection apparatus, for example, it has been known that there is using single-face side as bonding plane and to cover pipe end
The sheet tube end that the mode of the sealing surface etc. of opening and/or flange is pasted on tube end protect apparatus (for example, referring to
Patent document 1).
Additionally, it is known that there is the protection apparatus of following iron plate system and/or resin: for being inserted into tube end
The one end in short cylinder portion is provided with flange shape pipe end protection portion, and the peripheral part in the short cylinder portion is vertically equipped with multiple bullets
Property tab, be sticked in while multiple flexible tab anticreeps are enable when installing to tube end tube end internal perisporium (for example, referring to
Patent document 2,3).
In turn, it is also known that have a kind of protection apparatus of polyvinyl resin, be the opening that will close flanged tube end
Disk-shaped cover and the friction that is pushed into multiple break corner shapes of multiple bolts hole of flange respectively with finger etc. it is embedding
Protection apparatus made of conjunction portion is integrally formed (for example, referring to patent document 4).
Patent document 1: Japanese Unexamined Patent Publication 2002-161993 bulletin
Patent document 2: Japanese Unexamined Patent Publication 10-231988 bulletin
Patent document 3: Japanese Unexamined Patent Publication 2013-40644 bulletin
Patent document 4: No. 4014368 specifications of U.S. Patent No.
It is comparatively speaking low intensive, institute however, being pasted on the tube end protection apparatus of the previous sheet of tube end
With the mode of movement due to product, tube end with protection apparatus be possible to rupture and make to prevent foreign matter enter the function in product by
Damage, in addition, sealing element rupture and/or bonding agent when removing from tube end removing remain on sealing surface, thus gasket
Deng leakproofness be possible to decline, in turn, cannot in advance will be in the shape of the valve buckle by production such as malleable hard irons in various valves etc.
The antirust oil closing applied at the inner peripheral wall on liquid stream road, antirust oil are feared to leak and be stained floor etc..
On the other hand, there is bottom short cylinder portion in protection apparatus in the previous tube end of resin system and/or iron plate
Circumferential surface and formed fluid passage internal perisporium between there are the gaps of cylinder tubulose.In particular, in the product with tube end
When the main body of side is casting, the internal diameter of inner peripheral wall and/or fluid passage has been easy deviation, therefore sometimes by bullet
Property the tab inside caliper tense-lax realized relax, be easy to produce the annular end face that flange shape pipe end protection portion is not close to tube end
State, if generating the state that flange shape pipe end protection portion is not close to the annular end face of tube end, the foreign matter and/or ash of path
Dirt can probably enter fluid passage.
In addition, the main body in the product side with tube end be casting it is equal whens, compare being attached with as antirust oil
For low viscosity oil (liquid) in the case where, may not pass through the looped end of flange shape pipe end protection portion and tube end
The abutting in face lives oil sealing, exist oil leaked out from tube end, the sealing surface of pipe end protection portion due to attachment it is defaced this
One problem.
It in turn, is being the feelings that the previous tube end protection apparatus in multiple friction fit portions is pushed into multiple bolts hole
Under condition, in versatility and/or easy assembly and disassembly property this respect, it may have difficult point.
Summary of the invention
The present invention is completed to solve such previous project, and its purpose is to provide have that institute can be played
The sufficient intensity of desired defencive function and even if the leakproofness and dress that the opening diameter of tube end has deviation to be directed to tube end
Tearing open property also excellent tube end protection apparatus and piping product.
In order to achieve the above objectives, tube end of the invention protection apparatus can be installed in forming fluid with assembling and disassembling
The tube end of the inner peripheral wall of access and the annular end face intersected with the inner peripheral wall, which is characterized in that have: for being inserted into
The cylindrical portion of space-closed in the tube end and cylinder；The outwardly projecting portion of anticreep, from the outer peripheral surface of the cylindrical portion circumferential
Multiple positions are prominent to the outward side of radial direction, when the cylindrical portion is inserted into the tube end to the radial direction
Inward side shift flexibly and crimp the inner peripheral wall for being sticked in the tube end；Cyclic annular eaves portion, relative to described outer
Protrusion separates in the central axial direction of the cylindrical portion and in a manner of the annular end face towards the tube end
It is integrally formed in the cylindrical portion；With cone cell sealing, in the central axial direction be located at the outwardly projecting portion with it is described
Between cyclic annular eaves portion, and has and bored with the big inclined periphery of mode of the outwardly projecting portion described in the radius ratio of the cyclic annular eaves portion side
Face makes the periphery conical surface be sticked in the end periphery edge point of the fluid passage of the tube end.
According to this constitution, in the present invention, even if having deviation for the diameter of the fluid passage of the tube end of cylindrical portion insertion, if
Cylindrical portion is inserted into tube end, then the big cone cell sealing of the outwardly projecting portion of radius ratio anticreep is also in the range of the periphery conical surface
It is inside crimped on the end periphery edge point of the fluid passage of tube end, can reliably seal the fluid passage of tube end.Moreover,
The fluid that inner peripheral wall crimping and cone cell sealing of the outwardly projecting portion relative to tube end make the periphery conical surface be sticked in tube end is logical
The end periphery edge on road point, therefore tube end easily can be installed in tube end with protection apparatus and can be reliably
It is positioned.In addition, the annular end face relative to tube end separate the cyclic annular eaves portion in gap thickness and/or rigidity it is not special
Limitation can easily be removed tube end with protection apparatus using the ring-type eaves portion from tube end.As a result, becoming has
The sufficient intensity of desired defencive function can be played and even if the diameter of the fluid passage of tube end has deviation for pipe
The leakproofness of end also excellent assembly and disassembly excellent tube end protection apparatus.
It, can also be in tube end of the invention in protection apparatus: the ring-type eaves portion, in the institute towards the tube end
Stating the one side of annular end face or the another side as opposite side has along central axial direction base portion outstanding, structure
When Cheng Xiang tube end installation Shi Cong foreign side receives vertical load, at least propped up via the base portion in the tube end
Support circumferential multiple positions of the annular end face.
According to this constitution, will have the product of tube end with the downward mode of its tube end be placed in floor and/
Or conveying in supporting surface in the case where, tube end, which is used, protects apparatus can be as supporting with not easy damaged in stable conditionly
The pedestal of the end periphery edge of the annular end faces such as the sealing surface of tube end and/or fluid passage point and function.In particular,
When playing the base functions, cone cell sealing is embedded in the inner circumferential of the formation fluid passage of tube end with the state that complete cycle is close to
Wall surface, thus tube end is reliably positioned with protection apparatus relative to tube end, and become can be extremely for base portion
The pedestal of few circumferential multiple positions support tube end in annular end face, therefore the fluid passage of the product with tube end
Center line with it is multiple vertical by the supporting surface of pedestal, therefore with tube end product receiving position stablize, can be good
The placement of product is kept well.
It is preferred that: the base portion of the ring-type eaves portion becomes in the radial direction peripheral side of the another side along described
The cyclic annular cyclic rib outstanding of central axial direction.
According to this constitution, tube end is not limited with protection apparatus relative to the installing posture of the product with tube end,
Base functions are also more excellent.
It is preferred that: also there is the one side towards the annular end face with the cyclic annular eaves portion in the periphery of the cyclic annular eaves portion
Between the cricoid extension eaves portion extended with not having step, the side opposite with the base portion of the ring-type eaves portion
The face of corresponding region is not connected smoothly with having step with the face of the side towards the annular end face for extending eaves portion, and
And under the installation condition for not being close to the annular end face, the mask towards the annular end face of at least extension eaves portion is wished
That hopes keeps out of the way angle.
According to this constitution, other than above-mentioned technical effect, even if the tube end in the product with tube end is applying
The stage that the coating of cloth must and not dried sufficiently just installs tube end protection apparatus, and protects apparatus pressure to use tube end
In the case where following mode loads product relative to backing plate, it also can inhibit coating and concentrate on around tube end and cyclic annular
The phenomenon that heaving.
In order to achieve the above objectives, piping product of the invention is configured to, and has: piping product main body, including has pipe
Either in the valve and pipe fitting of end, the tube end have formed fluid passage inner peripheral wall and with the inner peripheral wall
The annular end face of intersection；Any of the above-described tube end protection with the tube end setting in the piping product main body is used
Tool.
According to this constitution, in the present invention, even if the fluid of the tube end of the piping product main body including valve, pipe fitting is logical
The diameter on road has deviation, if will have the tube end for the sufficient intensity that can play desired defencive function protection apparatus
Cylindrical portion is inserted into tube end, then tube end is also crimped on the end of the fluid passage of tube end with the cone cell sealing of protection apparatus
Portion circumferential edges part can reliably seal the fluid passage of tube end.Moreover, tube end is opposite with the outwardly projecting portion of protection apparatus
It is all in the end for the fluid passage that the inner peripheral wall of tube end crimps and the periphery conical surface is sticked in tube end by cone cell sealing
Marginal portion, thus can easily by tube end with protection apparatus be installed in piping product tube end and can be reliably
It is positioned.In addition, the annular end face of the tube end relative to piping product main body separates the tube end protection apparatus in gap
Cyclic annular eaves portion thickness and/or rigidity be not particularly limited, be able to use the ring-type eaves portion easily by tube end protect
Apparatus is removed from tube end.
In accordance with the invention it is possible to provide it is a kind of with the sufficient intensity that can play desired defencive function and i.e.
Make the opening diameter of tube end have deviation for the leakproofness of tube end and assembly and disassembly property also excellent tube end protection apparatus and
It is piped product.
Detailed description of the invention
Fig. 1 is the perspective view for indicating the protection apparatus of tube end involved in the 1st embodiment of the invention.
Fig. 2 is equipped with the partial cutaway of the gate valve of the protection apparatus of tube end involved in the 1st embodiment of the invention
View.
Fig. 3 is the partial cross section of the protection apparatus and gate valve of tube end involved in the 1st embodiment of the invention, is table
Show the figure for the state being correspondingly inserted into tube end with the cylindrical portion of protection apparatus before the fluid passage of gate valve.
Fig. 4 is the partial cross section of the protection apparatus and gate valve of tube end involved in the 1st embodiment of the invention, is table
Show the tube end figure of the state in the way for the fluid passage for protecting the cylindrical portion of apparatus to be inserted into gate valve.
Fig. 5 is the partial cross section of the protection apparatus and gate valve of tube end involved in the 1st embodiment of the invention, is table
Show that tube end abuts and carry out the figure of the state of fluid-tight with the cone cell sealing of protection apparatus with the end periphery edge of gate valve point.
Fig. 6 be tube end involved in the 1st embodiment of the invention protection apparatus and gate valve partial cross section, be with
Tube end is installed in the state of gate valve with protection apparatus to indicate to the posture and tube end when the installation of the tube end of the gate valve
With the figure of the deformation state of protection apparatus.
Fig. 7 is the partial sectional view for indicating the protection apparatus of tube end involved in the 2nd embodiment of the invention.
Fig. 8 is the partial perspective view for indicating the protection apparatus of tube end involved in the 3rd embodiment of the invention.
Fig. 9 is the partial perspective view for indicating the protection apparatus of tube end involved in the 4th embodiment of the invention.
Figure 10 is the partial perspective view for indicating the protection apparatus of tube end involved in the 5th embodiment of the invention.
Figure 11 is the perspective view for indicating the protection apparatus of tube end involved in the 6th embodiment of the invention.
Figure 12 is equipped with the partial cutaway of the gate valve of the protection apparatus of tube end involved in the 6th embodiment of the invention
View.
Figure 13 is the partial cross section of the protection apparatus and gate valve of tube end involved in the 6th embodiment of the invention, is
Extend the tube end of eaves portion to have and with protection apparatus be installed in the state of gate valve and indicate the installation to the tube end of the gate valve
When posture and tube end with protection apparatus deformation state figure.
Figure 14 is the figure for illustrating the effect of the protection apparatus of tube end involved in the 6th embodiment of the invention,
(a) figure is the figure heaved for indicating the antirusting paint generated in the case where being not provided with and extending eaves portion, and (b) figure is to indicate to pass through
The figure for extending the place heaved of the eaves portion without generating antirusting paint is set.
Figure 15 is the partial cross section of the protection apparatus and gate valve of tube end involved in the 7th embodiment of the invention, is
Extend the tube end of eaves portion to have and with protection apparatus be installed in the state of gate valve and indicate the installation to the tube end of the gate valve
When posture and tube end with protection apparatus deformation state figure.
Symbol description
1,1A, 1B, 1C, 1D, 1E, 1F ... tube end protection apparatus
2,2A ... cylindrical portion
3 ... outwardly projecting portion
4, the cyclic annular eaves portion of 4A, 4E, 4F ...
5 ... the periphery conical surfaces
6 ... cone cell sealings
7,7A, 7B, 7C, 7D, 7E ... base portion
8,8F ... extends eaves portion
The face towards flange part of 8a ... extension eaves portion
30 ... gate valves (piping product)
31a ... fluid passage
31b ... inner peripheral wall
31c ... flange part
The end face (annular end face of tube end) of 31d ... flange part
31e ... end periphery edge point
32 ... valve buckle ends (tube end)
The face corresponding with the opposite side of base portion of 71 ... cyclic annular eaves portions
θ ... keeps out of the way angle
Specific embodiment
It is illustrated hereinafter, Duiing the preferred embodiment of the present invention while referring to attached drawing.
(the 1st embodiment)
Fig. 1 is the perspective view of the protection apparatus 1 of tube end involved in the 1st embodiment.
Firstly, being illustrated to composition.
As shown in Figure 1, the tube end protection apparatus 1 of present embodiment includes: the cylindrical portion 2 of space-closed in cylinder；One
Body it is set to the outwardly projecting portion 3 of the outside of cylindrical portion 2；It is integrally formed in the cyclic annular eaves portion 4 of cylindrical portion 2；In central axis side
The cone cell sealing 6 being arranged between outwardly projecting portion 3 and cyclic annular eaves portion 4 upwards；With the face for being integrally formed as certainly cyclic annular eaves portion 4
To central axial direction base portion 7 outstanding, they are integrated by molding synthetic resins such as polypropylene and/or polyethylene.
Tube end according to the present invention is that can be installed in assembling and disassembling to have to form the interior of fluid passage with protection apparatus
The apparatus of the tube end of peripheral wall surfaces and the annular end face intersected with the inner peripheral wall, therefore in the present embodiment, as having
The product of tube end instantiates gate valve 30 as shown in Figure 2, in the following description, for above-mentioned tube end protection apparatus 1
Each component, be illustrated by with the relationship of gate valve 30 as piping product according to the present invention.In addition, having pipe
The product of end includes the various valves other than gate valve, and then further includes strainer and/or various pipe fittings etc..
Gate valve 30 includes valve buckle 31, valve body 33, valve rod 34, lid 35, yoke 36, handwheel 37 and fluid-tight component 38.Valve rod 34 wraps
Multiple components are included, have the function of to change using the length of screw mechanism, and be linked to handwheel 37 and valve body 33.Valve buckle 31 and lid 35
It is malleable hard iron system.Valve buckle 31 has the inner peripheral wall of fluid passage 31a to apply antirust in the fabrication stage in cylindric formation
Oil.
Gate valve 30, by rotating handwheel 37 to a direction, thus it enables that the length change function of valve rod 34 is to reduce
Mode function and leave valve body 33 from the valve seat in valve buckle 31, make its valve opening, in addition, by making handwheel 37 to another
Direction rotates, thus it enables that the length change function of valve rod 34 functions in elongated manner and valve body 33 is made to be close to valve buckle
Valve seat in 31 makes its valve closing.
Valve buckle 31 at both ends there is flange part 31c, fluid passage 31a to penetrate through flange part 31c.Valve comprising flange part 31c
Frame end 32 is corresponding with tube end of the invention, and the end face of flange part 31c is corresponding with annular end face of the invention, penetrates through convex
The end of the fluid passage 31a of edge 31c is corresponding with opening of the invention, forms the wall surface and the present invention of fluid passage 31a
Inner peripheral wall it is corresponding.The center line of fluid passage 31a and the inner peripheral wall and flange part 31c for forming fluid passage 31a
End face square crossing.
Hereinafter, referring to Fig.1, Fig. 2 is illustrated the tube end of present embodiment with each component of protection apparatus 1.
Tube end protection apparatus 1 is installed on the both ends of gate valve 30.Cylindrical portion 2 includes cylindrical portion main body 2a and end-enclosed
Portion 2b is the closed cylindrical shape in depth end in space in cylinder, and can be inserted into stream from the opening of the flange part 31c of gate valve 30
The part of such as 40~50mm in body access 31a is formed as the size of its periphery diameter than being drawn in the manufacture of gate valve 30 by deviation
The small such as 1~2mm of most path of the fluid passage 31a risen.The wall thickness of cylindrical portion 2 is for example set as 1mm.
Outwardly projecting portion 3 is from the outer peripheral surface of cylindrical portion 2 at circumferential multiple positions (in figure for 4 at) to the foreign side of radial direction
Side is prominent, and has anti-drop function, it may be assumed that is inserted into fluid passage 31a from the opening of the flange part 31c of gate valve 30 in cylindrical portion 2
It shifts flexibly when interior to the inward side of radial direction and crimps engaging (internal diameter clamping) in the formation fluid passage 31a of gate valve 30
Inner peripheral wall 31b.Wall thickness setting around the outwardly projecting portion 3 of cylindrical portion 2 are as follows: in the internal diameter clamping carried out by outwardly projecting portion 3,
Outwardly projecting portion 3 in the central axial direction of cylindrical portion 2 luffing and play spring force to crimping be sticked in inner peripheral wall 31b.
Outwardly projecting portion 3 than maximum diameter greatly such as 1~3mm of the fluid passage 31a as caused by deviation in the manufacture of gate valve 30 to protrude
Mode be set to cylindrical portion 2.
Cyclic annular eaves portion 4 cylindrical portion 2 the opposite side of gate valve insertion side is integrally formed as it is flange shape, towards gate valve 30
Flange part 31c end face (corresponding with the annular end face of tube end of the invention).Thickness is for example set as 2 by cyclic annular eaves portion 4
The size of diameter is formed as the outer diameter decimal mm~ten number mm of the flange part 31c than gate valve 30 by~4mm.Outside cyclic annular eaves portion 4
Shape, as long as shown in Fig. 2, the size that can be covered by the bolt hole 31d of flange part 31c, is also possible to other than circle
Ellipse and/or polygon.
Cyclic annular eaves portion 4 separates such as 30mm~40mm with outwardly projecting portion 3 in the central axial direction of cylindrical portion 2, outside
Cone cell sealing 6 is provided between protrusion 3 and cyclic annular eaves portion 4.Cone cell sealing 6 has in cyclic annular 4 side radius ratio stream of eaves portion
The inclined periphery conical surface 5 of body access 31a big mode, and be set as being sticked in the periphery conical surface 5 with the state that complete cycle is close to
31e is divided in the end periphery edge of the fluid passage 31a of gate valve 30.Cone cell sealing 6, which is formed to have, to be avoided being sticked in gate valve
It is appropriate due to chock effect and behind the small inclination angle of surging insertion when the inner peripheral wall 31b of 30 formation fluid passage 31a
Angle, such as 5~45 ° of inclination angle, be more preferably set as 15~25 ° of inclination angle.
In addition, cone cell sealing 6 is integrally formed in the present embodiment but it is also possible to be from cylindrical portion 2 and ring
Another part of the independent rubber system that shape eaves portion 4 is cut off or independent resin are divided into multiple dividing bodies, are
The composition for forming ring with multiple dividing bodies and being assembled in a manner of being sealed between cyclic annular eaves portion 4.Alternatively, it is also possible to incite somebody to action
Outwardly projecting portion 3 and cricoid cone cell sealing 6 are set as the another of the independent rubber system cut off from cylindrical portion 2 and cyclic annular eaves portion 4
One part is set as making outside cone cell sealing 6 followed by making the structure in the chimeric hole for being installed on cylindrical portion 2 of outwardly projecting portion 3 embedded in cylindrical portion 2
At.And then in addition, cone cell sealing 6 can also be formed by having with the hollows of the comparable radius in above-mentioned inclination angle.
Base portion 7 becomes another towards central axial direction ring outstanding from this in the radial direction peripheral side of another side
Shape rib, the another side are that the end face 31d of the flange part 31c towards gate valve 30 is (opposite with the annular end face of tube end of the invention
Answer) one side opposite side face.The border circular areas 41 between cone cell sealing 6 and base portion 7 in cyclic annular eaves portion 4 becomes
Flexion zones.Due to having base portion 7, when cyclic annular eaves portion 4 bears vertical load from foreign side when to the installation of tube end,
Flexion zones 4a flexure, the flange part 31c that gate valve 30 is connected to the peripheral part of 7 opposite side of base portion of cyclic annular eaves portion 4
End face 31d, the pedestal as the flange part 31c that can support gate valve 30 function.The peripheral part of cyclic annular eaves portion 4, if applying
It is released in the vertical load of cyclic annular eaves portion 4, then flexion zones 4a is reset to planar and generates with the flange part 31c's of gate valve 30
Gap.
Next, being illustrated referring to Fig. 3~Fig. 6 to effect.
As shown in Figure 3, Figure 4, the inner peripheral wall 31b of fluid passage 31a is coated with antirust oil L in the formation of gate valve 30.
When tube end protection apparatus 1 is installed on gate valve 30, as shown in figure 3, making the center line water of the fluid passage 31a of gate valve 30
It is flat, and make tube end protect apparatus 1 fluid passage 31a cylindrical portion 2 relative to gate valve 30 fluid passage 31a with concentric
State is opposite, next, as shown in figure 4, cylindrical portion 2 is inserted into fluid passage 31a.
At this point, the wall thickness of the periphery of outwardly projecting portion 3 is thinning, if therefore entrance of the outwardly projecting portion 3 in fluid passage 31a be connected to
The inner peripheral wall 31b for forming fluid passage 31a can then be shifted on the centerline direction of cylindrical portion 2, and home shape is wanted in performance
Spring force and head on inner peripheral wall 31b and relative to inner peripheral wall 31b sliding contact.The deformation of outwardly projecting portion 3 not will cause cone
The change in shape of shape sealing 6.
Next, being pushed into, until as shown in Figure 5, cone cell sealing 6 the periphery conical surface 5 is connected to the stream of gate valve 30
The entrance inner periphery (corresponding with the end periphery edge split-phase of the inner peripheral wall of tube end of the invention) of body access 31a.Cone
As deviation manufacture in caused by maximum diameter of the maximum diameter of the periphery conical surface 5 of shape sealing 6 than the fluid passage 31a of gate valve 30
Greatly, therefore in the way of the periphery conical surface 5 complete cycle is connected to the entrance inner periphery of fluid passage 31a.
The state of fluid-tight carried out to fluid passage 31a as a result, becoming cone cell sealing 6, multiple outwardly projecting portion 3 are to lock
The inner peripheral wall 31b of valve 30 carries out internal diameter clamping, therefore the state of the fluid-tight is maintained.In addition, whole in the way of the periphery conical surface 5
It is connected to the entrance inner periphery of fluid passage 31a week, therefore is generated between cyclic annular eaves portion 4 and the flange part 31c of gate valve 30
Gap.The gap can also be used as between capable of being put into work piece holder when removing tube end protection apparatus 1 from gate valve 30
Gap and utilize.
The both ends of fluid passage 31a be equipped with tube end protection apparatus 1 gate valve 30 warehouse in storage and/or
In carrying in the process of circulation, as shown in Fig. 2, by fluid passage 31a along the vertical direction in a manner of gate valve 30 is placed in backing plate P
On and arrange multiple and be set as and 2 grades, 3 grades of Chong Die states.Fig. 6 indicate by fluid passage 31a along the vertical direction in a manner of
Gate valve 30 is placed in the state on backing plate P.
As shown in fig. 6, tube end is with protection apparatus 1, the complete cycle in the way of the periphery conical surface 5 of cone cell sealing 6 is close to valve buckle
The end periphery edge of end 32 divides 31e and closes fluid passage 31a, so can prevent since gravity is from initial
The antirust oil L of coating position decline is leaked out.
In addition, tube end protection apparatus 1, because cyclic annular eaves portion 4 is corresponding with the end face of flange part 31c of gate valve 30,
So can be functioned as protecting the end face of flange part 31c not defaced and stablizing the pedestal being supported.
Due to the opposite reaction force from backing plate P of self weight with gate valve 30, base portion 7 is born vertical from backing plate P
Therefore pressure becomes following state: cricoid region i.e. flexion zones 4a in the way of cyclic annular eaves portion 4 is to the side flange part 31c bullet
Property deformation, the peripheral part of cyclic annular eaves portion 4 is close to the end face peripheral part of flange part 31c, and circular 7 complete cycle of base portion is close to pad
Plate P.
In this way, base portion 7 is functioned as pedestal, backing plate P and cone cell sealing 6 is made to remain contactless state,
The receiving position stabilization of gate valve 30 can keep the placement of gate valve 30 well as a result,.
As described above, related tube end is with apparatus 1 is protected according to the present embodiment, even if for cylindrical portion
The diameter of the fluid passage 31a of the valve buckle end (tube end) 32 of 2 insertions has deviation, if cylindrical portion 2 is inserted into fluid passage
31a, then the big cone cell sealing 6 of the outwardly projecting portion 3 of radius ratio anticreep is connected to fluid passage in the range of its periphery conical surface 5
31e is divided in the end periphery edge of 31a, can reliably seal the fluid passage 31a of valve buckle end 32.
Moreover, inner peripheral wall 31b crimping and cone cell sealing 6 of the outwardly projecting portion 3 relative to valve buckle end 32 bore periphery
31e is divided in the end periphery edge that face 5 is sticked in the fluid passage 31a of valve buckle end 32, therefore can easily use tube end
Protection apparatus 1 is installed in valve buckle end 32 and is reliably positioned.In addition, the annular end face relative to valve buckle end 32
31d separates the thickness of the cyclic annular eaves portion 4 in gap and/or rigidity is not particularly limited, and is able to use the ring-type eaves portion 4 and easily will
Tube end protection apparatus 1 is removed from valve buckle end 32.As a result, becoming following tube end protects apparatus 1: having can
The sufficient intensity of desired defencive function is played, and even if the diameter of the fluid passage 31a of valve buckle end 32 has deviation, needle
And assembly and disassembly property still excellent to the leakproofness of the fluid passage 31a of valve buckle end 32 is excellent.
As the gate valve 30 for being piped product involved in present embodiment, there is the internal perisporium for forming fluid passage 31a
Face and the valve buckle end (tube end) 32 for the annular end face intersected with the inner peripheral wall have tube end protection apparatus 1, therefore
Even if the diameter of the fluid passage of valve buckle end 32 has deviation, if it is adequately strong to play having for desired defencive function
The cylindrical portion 2 of the tube end protection apparatus 1 of degree is inserted into valve buckle end 32, then the cone cell sealing of tube end protection apparatus 1
Portion 6 is also crimped on the end periphery edge point of the fluid passage 31a of valve buckle end 32, can reliably seal valve buckle end 32
Fluid passage 31a.
Tube end with protection apparatus 1 outwardly projecting portion 3 relative to gate valve 30 valve buckle end 32 inner peripheral wall crimping and
Cone cell sealing 6 is sticked in the end periphery edge point of the fluid passage of tube end in the periphery conical surface 5, thus can easily by
Tube end is installed in valve buckle end 32 with protection apparatus 1 and can reliably be positioned.In addition, relative to piping product master
The annular end face of the valve buckle end 32 of body separates the thickness and/or rigidity of the cyclic annular eaves portion 4 of the tube end protection apparatus 1 in gap
It is not particularly limited, the ring-type eaves portion 4 can be used and easily remove tube end protection apparatus 1 from valve buckle end 32.
(the 2nd embodiment)
Fig. 7 is the partial sectional view for indicating the protection of tube end involved in the 2nd embodiment apparatus 1A.
As shown in fig. 7, tube end involved in the 2nd embodiment of the invention with protection apparatus 1A composition be based on it is upper
Tube end involved in the 1st embodiment that the FIG. 1 to FIG. 6 stated illustrates protects the composition of apparatus 1 roughly the same therefore right
Composition identical with the protection composition of apparatus 1 with tube end involved in the 1st embodiment marks identical symbol and is said
Bright omission only illustrates distinctive composition.
Tube end protection apparatus 1A, the case where compared with the protection apparatus 1 of the tube end involved in the 1st embodiment
Under, cylindrical portion 2A, ring-type eaves portion 4A and the difference of constituent element corresponding to base portion 7A.
As shown in fig. 7, cylindrical portion 2A includes cylindrical portion main body 2a and middle part closure 2c, it is the cylinder of space-closed in cylinder
Shape shape, cyclic annular eaves portion 4A include inner circumferential side Circular Plate portion 4a；Peripheral side Circular Plate portion 4b；With pliable pars convoluta 4c, occupy interior
The cross sectional shape in more intermediate annular region and radial direction between side Circular Plate portion 4a and peripheral side Circular Plate portion 4b is formed as
It is wavy, and inner circumferential side Circular Plate portion 4a is connected with peripheral side Circular Plate portion 4b.Pliable pars convoluta 4c is by inner circumferential side Circular Plate
Portion 4a is connected with peripheral side Circular Plate portion 4b, so that being installed on the shape of gate valve 30 shown in Fig. 2 with protection apparatus 1A in tube end
Under state, the big institute in gap of the gap-ratio flange part 31c and inner circumferential side Circular Plate portion 4a of flange part 31c and peripheral side Circular Plate portion 4b
Desired size.Flexion zones 41A includes pliable pars convoluta 4c.
Base portion 7A is located in the gap of flange part 31c and peripheral side Circular Plate portion 4b, passes through peripheral side Circular Plate portion
4b is integrally formed as the annulus plate of heavy wall.In the state that tube end is installed on gate valve 30 with protection apparatus 1A, in base portion
Dividing has gap between 7A and flange part 31c.In addition, base portion 7A can not also by with cyclic annular eaves portion 4A be integrally formed come
Have, and is arranged as another component.
If the vertical load from outside acts on cyclic annular eaves portion 4A, which is born by peripheral side Circular Plate portion 4b
Lotus and pliable pars convoluta 4c are bent, and thus base portion 7A is close to flange part 31c and functions as pedestal.
(the 3rd embodiment)
As shown in figure 8, tube end involved in the 3rd embodiment of the invention is real with the composition of protection apparatus 1B and the 1st
Apply tube end involved in mode protection apparatus 1 composition it is roughly the same, therefore to pipe end involved in the 1st embodiment
Portion's identical composition of composition of protection apparatus 1, marks identical symbol and is illustrated to omit, only illustrate distinctive composition.
Tube end with protection apparatus 1B, with the 1st embodiment involved in tube end with protection apparatus 1 compared with when, base portion
Constituent element corresponding to 7B is different.
Base portion 7B and base portion shown in FIG. 17 be same, in the peripheral side in the face of the same side of cyclic annular eaves portion 4
There are long convex strip portions and short convex strip portions in region with mode scattering device parallel to each other.Flexion zones 41B be with it is 2 long
The border circular areas of convex strip portions and 2 short convex strip portions inscribes.Base portion 7B is set as having desired thickness.That is, if pipe
End with protection apparatus 1B be installed on gate valve 30 shown in Fig. 2 tube end 32 flange part 31c, via 4 base portion 7B
It is close to backing plate P shown in Fig. 2 and bears vertical load, then following states: ring is able to maintain due to the thickness of base portion 7B
It is close to flange part 31c shown in Fig. 2, and the inner peripheral portion of cyclic annular eaves portion 4 in the dorsal surface part of each base portion 7B of shape eaves portion 4
It is not close to backing plate P.Therefore, base portion 7B, because the center line of the fluid passage of gate valve 30 becomes vertical with backing plate P,
With the base functions that placement is stable.
Base portion 7B is arranged in the region of the center deviation from cyclic annular eaves portion 4 as long big convex strip portions, in addition
Central area is removed as short convex strip portions in the region at the center by cyclic annular eaves portion 4 to be arranged.Base portion 7B is not provided with
Be in the reason of inner circumferential side region: cyclic annular eaves portion 4 bear vertical load and cyclic annular eaves portion 4 be close to flange part shown in Fig. 2 when,
All faces by base portion 7B will not become a plane, and base functions become unstable.
(the 4th embodiment)
As shown in figure 9, tube end involved in the 4th embodiment of the invention is real with the composition of protection apparatus 1C and the 1st
Apply tube end involved in mode protection apparatus 1 composition it is roughly the same, therefore to pipe end involved in the 1st embodiment
Portion's identical composition of composition of protection apparatus 1, marks identical symbol and is illustrated to omit, only illustrate distinctive composition.
Tube end protect apparatus 1C compared with the protection apparatus 1 of the tube end involved in the 1st embodiment in the case where, base portion
Divide constituent element corresponding to 7C different.
Base portion 7C the same side of cyclic annular eaves portion 4 face as in a circumferential direction 4 equal points of configurations and from center to
Radiation direction extend multiple small square shapes convex strip portions and be arranged.Flexion zones 41C be in the convex strip portions of 4 square shapes
The border circular areas cut.The convex strip portions of 4 square shapes, that is, base portion 7C, with desired thickness and in the outer of cyclic annular eaves portion 4
All side regions have desired thickness and are arranged.That is, if tube end is installed on gate valve 30 shown in Fig. 2 with protection apparatus 1C
The flange part 31c of tube end 32, be close to backing plate P shown in Fig. 2 via 4 base portion 7C and bear vertical load, then due to
The thickness of base portion 7C and be able to maintain following states: flexion zones 41C flexure and each base portion 7C's of cyclic annular eaves portion 4
Flange part 31c shown in Fig. 2 is close in dorsal surface part, and the inner peripheral portion of cyclic annular eaves portion 4 is not close to backing plate P.Therefore, base portion
Divide 7C, because the center line of the fluid passage of gate valve 30 becomes vertical with backing plate P, has and place stable base functions.
(the 5th embodiment)
As shown in Figure 10, tube end involved in the 5th embodiment of the invention is real with the composition of protection apparatus 1D and the 1st
Apply tube end involved in mode protection apparatus 1 composition it is roughly the same, so to pipe end involved in the 1st embodiment
Portion's identical composition of composition of protection apparatus 1, marks identical symbol and is illustrated to omit, only illustrate distinctive composition.
Tube end with protection apparatus 1D, with the 4th embodiment involved in tube end with protection apparatus 1C compared with, be only arranged at ring-type
The shape of the base portion 7D of eaves portion 4 is different.
Base portion 7D, the same side of cyclic annular eaves portion 4 face all side regions in a circumferential direction 4 equal parts and configure and
The convex strip portions of round as desired thickness and be arranged.Flexion zones 41D is the convex strip portions inscribe with 4 rounds
Border circular areas.4 base portion 7D have following thickness: so that if 4 base portion 7D are close to backing plate P shown in Fig. 2 and hold
By vertical load, then the back side face of each base portion 7D of cyclic annular eaves portion 4 is able to maintain due to the thickness of base portion 7D
The state for dividing the inner peripheral portion for being close to flange part 31c shown in Fig. 2 and cyclic annular eaves portion 4 not to be close to backing plate P.Therefore, base portion
7D has because the center line of the fluid passage of gate valve 30 is vertical with backing plate P and places stable base functions.
(the 6th embodiment)
As shown in Figure 11~Figure 14, the protection apparatus 1E of tube end involved in the 6th embodiment of the invention, with the 1st
The protection apparatus 1 of tube end involved in embodiment is compared, the shape of the peripheral part of the cyclic annular eaves portion 4E comprising base portion 7E
Shape is different, for other compositions, because roughly the same with the protection composition of apparatus 1 with tube end involved in the 1st embodiment,
So marking symbol identical with the protection apparatus 1 of tube end involved in the 1st embodiment and being illustrated to omit.
Cyclic annular eaves portion 4E has in the peripheral part of the another side of the flange part 31c opposite side with gate valve 30 to central axis
The base portion 7E of direction annular shape outstanding, be formed in when the installation of flange part 31c from outside bear vertical load when
It can be via the cricoid pedestal of base portion 7E support lugn portion 31c.Have and cyclic annular eaves portion 4E in the periphery of cyclic annular eaves portion 4E
The cricoid extension that do not extend smoothly with having step between the face 71 of the corresponding region of base portion 7E opposite side
Eaves portion 8.In this embodiment, under the installation condition for not being close to flange part 31c, cyclic annular eaves portion 4E with base portion 7E phase
The face 71 of the corresponding region of anti-side and the face 8a for being set as side towards flange part 31c for extending eaves portion 8, which become, to be connected smoothly
Face, have and desired keep out of the way angle θ.
The shape of the peripheral part of cyclic annular eaves portion 4E comprising base portion 7E is illustrated.
Base portion 7 involved in base portion 7E and the 1st embodiment is similarly formed as annular shape.
Tube end protect apparatus 1E cyclic annular eaves portion 4E peripheral part further have extend eaves portion 8, this and the 1st implement
Tube end involved in mode is different with protection apparatus 1.
In this embodiment, it is equal with the wall thickness of cyclic annular eaves portion 4E in extension its wall thickness of cardinal extremity 8b to extend eaves portion 8, outward
Zhou Duanbi thickness gradually becomes smaller, the face towards flange part 31c with not towards face it is consistent in outer circumference end.Extend eaves portion 8 size because
The size of gate valve 30 and/or the diametric width dimensions of flange part 31c and it is different.For example, extending the extending direction of eaves portion 8
Length a it is small be set as 5mm and be set as 15mm greatly, in addition, extend eaves portion 8 outer diameter be set as example smaller than the outer diameter of flange part 31c
Such as the size of 2~20mm.
For the face towards flange part 31c of the cyclic annular eaves portion 4E comprising extending eaves portion 8, there is following such feature.
In Figure 12, size a indicates that the width dimensions for extending the face 8a towards flange part 31c of eaves portion 8 are (diametric
Size, same as below), size b indicates the width dimensions in the face 71 of the opposite side corresponding to base portion 7E of cyclic annular eaves portion 4E,
Indicate the width dimensions in the face 42 of the flange part 31c towards gate valve 30 of the inner region in the face 71 of cyclic annular eaves portion 4E.
The face 42 of cyclic annular eaves portion 4E, it is same as ring-type eaves portion 4 involved in the 1st embodiment, it is used with relative to tube end
Protect the axially vertical plane of apparatus 1 consistent.The face 71 of cyclic annular eaves portion 4E and the face towards flange part 31c for extending eaves portion 8
8a is smoothly connected with not having step, desired relative to having perpendicular to the tube end axial plane of protection apparatus 1
Keep out of the way angle θ.This is kept out of the way angle θ and preferably becomes larger with close to the peripheral side for extending eaves portion 8.For example, it is preferable to extend eaves portion 8
Peripheral part keep out of the way as 10~15 degree of the mode for keeping out of the way angle.
In Figure 12, keep out of the way angle θ section start be set as in the face 71 of the corresponding region of base portion 7E opposite side
72 near all.But in Figure 12, there is the face for keeping out of the way angle θ to be present in the outer of the reaction force generating region from ground plane
Week is important, and the face 8a towards flange part 31c that can also only extend eaves portion 8, which has, keeps out of the way angle θ.In addition, extending eaves portion 8
The face of the side not towards flange part 31c be also formed as inclined surface in such a way that wall thickness close to peripheral side with becoming smaller.
It can also be to be set as the wall of such as half of the wall thickness of cyclic annular eaves portion 4E in extension cardinal extremity 8b in addition, extending eaves portion 8
Thickness, and the face of the side not towards flange part 31c becomes the axially vertical plane relative to tube end with protection apparatus 1.
The above-mentioned angle θ that keeps out of the way preferably is set by following relationship: as shown in figure 13, tube end being installed on protection apparatus 1E
Gate valve 30 and when tube end being pressed in following mode and be placed in gate valve 30 on backing plate P with protection apparatus 1E, cyclic annular eaves portion
4E increase flexure to cyclic annular eaves portion 4 face corresponding with the back side of base portion 7E relative to flange part 31c close to parallel
State is then close to.After base portion 7E is by flange part 31c and backing plate P clamping, tube end protection apparatus 1E flexible deformation,
The face of the abutting backing plate P of base portion 7E and the face corresponding with the back side of base portion 7E of cyclic annular eaves portion 4 become parallel shape
State.
Equipped with the above-mentioned outside kept out of the way angle θ and extend the reason of eaves portion 8 without step is smoothly arranged with gate valve 30
It is coated with relationship.
Gate valve 30 utilizes fast drying, gloss, hardness, oil resistant at normal temperature in the last process of manufacture outside
The excellent modified alkyd resin coating of property, against weather (makes the condensation of salty base acid and polyalcohol with fat oil and/or fatty acid
The modified cold coating of object) in a manner of becoming film thickness and be ten several μm~tens of μm of coated film rust preventive painting is carried out, it is applying
Natural drying in about 1 day is carried out after dress, then as shown in figure 13, tube end protection is installed in valve buckle end (tube end) 32 and is used
Tool 1E is simultaneously stored in warehouse.
Alkyd resin is also modified for the peripheral part in addition to sealing surface of the valve buckle end (tube end) 32 of gate valve 30
Coating, therefore modified alkyd resin coating is also close in the face corresponding with the back side of base portion 7E of cyclic annular eaves portion 4E.Herein,
In the case where coating cover film is without sufficiently drying, as shown in Figure 14 (a), protected the tube end for extending eaves portion 8 is not present
It protects in apparatus 1, coating cover film F is produced by the load of gate valve 30, gate valve for example shown in Fig. 2 in the center of gravity for being located at handle side
Raw downward load F compressing is moved outward, occurs that coating is concentrated along the periphery for extending eaves portion 8 and that annularly heaves show
As.Therefore, if removing tube end protection apparatus 1 in the use of gate valve 30, it can see that the big of the ring of coating is heaved,
Thus probably the evaluation of product can be made to decline.
Therefore, the tube end involved in present embodiment is with protecting in apparatus 1E, by the outside of cyclic annular eaves portion 4E
Make to extend with there is no step between the extension eaves portion 8 for the load for being not subject to gate valve 30 and cyclic annular eaves portion 4E, and in cyclic annular eaves portion
4E receiving gate valve 30 load face (face with base portion 7E opposite side) and extend eaves portion 8 towards flange part
Keep out of the way angle θ desired by setting on the face of the side of 31c, thus as shown in Figure 14 (b), even if by cyclic annular eaves portion 4E's and pedestal
What the face pressure of part 7E opposite side was compeled moves outward without fully dry coating cover film F, also can be by only small
The extension eaves portion 8 for bearing the load of gate valve 30 smallly keeps the coating cover film F moved outward uniform, enables to extending eaves
The outer circumference end in portion 8 does not generate the big of such coating shown in Figure 14 (a) and heaves.
In addition, the variation as the 6th embodiment, if extend do not have between eaves portion 8 and cyclic annular eaves portion 4E step and
Keep out of the way angle θ with desired and extend, it can also be by the wall thickness of cyclic annular eaves portion 4E as former state to prolonging on the outside of radial direction
It stretches.
(the 7th embodiment)
As shown in figure 15, the protection apparatus 1F of tube end involved in the 7th embodiment of the invention, in cyclic annular eaves portion 4F
Base portion not corresponding with the base portion 7 being arranged in the protection apparatus 1 of the tube end involved in the 1st embodiment
Point, instead of in this, cyclic annular eaves portion 4F is formed as wall thickness thickness in a manner of the thickness comprising base portion, and is arranged to assembling
Ring-type eaves portion 4F is close to flange part 31c when gate valve 30.
In the tube end periphery of protection apparatus 1F, has and be tightly engaged into face 43 with the flange part 31c of cyclic annular eaves portion 4F
Between the cricoid extension eaves portion 8F that smoothly extends with not having step.Extend the side towards flange part 31c of eaves portion 8F
Face 8a become the face being smoothly connected with the face that is tightly engaged into 43 and have and desired keep out of the way angle θ.The starting point for keeping out of the way angle θ can also
With with cyclic annular eaves portion 4F be close to flange part 31c be close to face 43 and extension eaves portion 8F the side towards flange part 31c face
The extension cardinal extremity 8b of 8a is consistent.Therefore, extend eaves portion 8F to be set as using with tube end involved in the 6th embodiment of the invention
Protect the extension eaves portion 8 of apparatus 1E identical.
For tube end other compositions of protection apparatus 1F, used with the protection of tube end involved in the 1st embodiment
The composition of tool 1 is roughly the same, thus mark with tube end involved in the 1st embodiment with protecting the identical symbol of apparatus 1 and
Illustrated to omit.
In addition, illustrating and cyclic annular eaves portion 4F being formed as wall in a manner of as base portion in the 7th embodiment
Mode that is thick and being equipped with extension eaves portion 8F, but the present invention is included in the guarantor of tube end involved in the 2nd~the 5th embodiment
It protects in apparatus 1A~1D in the variation of the periphery of cyclic annular eaves portion setting extension eaves portion.
As described above, tube end according to the present invention protection apparatus and piping product, having can
The sufficient intensity of desired defencive function is played, and is had the opening diameter of tube end has deviation for tube end
Leakproofness and excellent this effect of assembly and disassembly property, it is all useful with protection apparatus and all piping products to tube end.
Claims (5)
1. a kind of tube end protection apparatus, can be installed in assembling and disassembling have the inner peripheral wall for forming fluid passage and with the inner circumferential
The tube end for the annular end face that wall surface intersects, which is characterized in that have:
For being inserted into the cylindrical portion of space-closed in the tube end and cylinder；
The outwardly projecting portion of anticreep, from the outer peripheral surface of the cylindrical portion at circumferential multiple positions to foreign side's pleurapophysis of radial direction
Out, it shifts flexibly when the cylindrical portion is inserted into the tube end to the inward side of the radial direction and crimps engaging
In the inner peripheral wall of the tube end；
Cyclic annular eaves portion separates in the central axial direction of the cylindrical portion relative to the outwardly projecting portion and towards the pipe
The mode of the annular end face of end is integrally formed in the cylindrical portion；With
Cone cell sealing is located between the outwardly projecting portion and the cyclic annular eaves portion in the central axial direction, and has
With the big inclined periphery conical surface of mode of the outwardly projecting portion described in the radius ratio of the cyclic annular eaves portion side, it is sticked in the periphery conical surface
The end periphery edge of the fluid passage of the tube end point,
The ring-type eaves portion, the one side in the annular end face towards the tube end or another mask as opposite side
Have along central axial direction base portion outstanding, is formed in tube end installation Shi Cong foreign side and receives vertical load
When, circumferential multiple positions of the annular end face are at least supported in the tube end via the base portion.
2. tube end according to claim 1 protection apparatus, which is characterized in that
The border circular areas between the cone cell sealing and the base portion in the ring-type eaves portion becomes flexion zones.
3. tube end according to claim 1 or 2 protection apparatus, which is characterized in that
The base portion of the ring-type eaves portion becomes in the radial direction peripheral side of the another side along the central axis
The cyclic annular cyclic rib outstanding in direction.
4. tube end according to claim 1 or 2 protection apparatus, which is characterized in that
Also having in the periphery of the cyclic annular eaves portion does not have between the one side towards the annular end face of the cyclic annular eaves portion
The cricoid extension eaves portion extended to step, the corresponding region of the side opposite with the base portion of the ring-type eaves portion
Face be not connected smoothly with there is no step with the face of the side towards the annular end face for extending eaves portion, and not tight
Under the installation condition for pasting the annular end face, the face towards the annular end face of at least extension eaves portion has desired keep out of the way
Angle.
5. a kind of piping product, which is characterized in that have:
It is piped product main body, including either having in the valve and pipe fitting of tube end, the tube end, which has, forms fluid
The inner peripheral wall of access and the annular end face intersected with the inner peripheral wall；With
It is protected in the tube end described in any one of Claims 1-4 of the tube end setting of the piping product main body
Protect apparatus.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014-258093 | 2014-12-19 | ||
| JP2014258093 | 2014-12-19 | ||
| JP2015228040A JP6654411B2 (en) | 2014-12-19 | 2015-11-20 | Pipe end protection equipment and piping products |
| JP2015-228040 | 2015-11-20 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105715902A CN105715902A (en) | 2016-06-29 |
| CN105715902B true CN105715902B (en) | 2019-06-25 |
Family
ID=56147470
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510958805.1A Active CN105715902B (en) | 2014-12-19 | 2015-12-18 | Tube end protection apparatus and piping product |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105715902B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH061923U (en) * | 1992-06-19 | 1994-01-14 | 曙ブレーキ工業株式会社 | Seal stopper |
| CN1480027A (en) * | 2002-08-06 | 2004-03-10 | ��˹��װ�乫˾ | Thrust plug and its use method |
| JP2005207513A (en) * | 2004-01-23 | 2005-08-04 | Kayaba Ind Co Ltd | Shipping plug and port blocking method using it |
| CN101952623A (en) * | 2007-11-13 | 2011-01-19 | Kvt柯尼希有限责任公司 | Two-piece expandable sealing plug |
| CN203375084U (en) * | 2013-06-26 | 2014-01-01 | 苏州速腾电子科技有限公司 | Thread gland cover |
-
2015
- 2015-12-18 CN CN201510958805.1A patent/CN105715902B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH061923U (en) * | 1992-06-19 | 1994-01-14 | 曙ブレーキ工業株式会社 | Seal stopper |
| CN1480027A (en) * | 2002-08-06 | 2004-03-10 | ��˹��װ�乫˾ | Thrust plug and its use method |
| JP2005207513A (en) * | 2004-01-23 | 2005-08-04 | Kayaba Ind Co Ltd | Shipping plug and port blocking method using it |
| CN101952623A (en) * | 2007-11-13 | 2011-01-19 | Kvt柯尼希有限责任公司 | Two-piece expandable sealing plug |
| CN203375084U (en) * | 2013-06-26 | 2014-01-01 | 苏州速腾电子科技有限公司 | Thread gland cover |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105715902A (en) | 2016-06-29 |
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