CN108027093A - Mechanical splice and its manufacture method - Google Patents

Mechanical splice and its manufacture method Download PDF

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Publication number
CN108027093A
CN108027093A CN201680055348.8A CN201680055348A CN108027093A CN 108027093 A CN108027093 A CN 108027093A CN 201680055348 A CN201680055348 A CN 201680055348A CN 108027093 A CN108027093 A CN 108027093A
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CN
China
Prior art keywords
main body
nut
ring
mechanical splice
tooth
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201680055348.8A
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Chinese (zh)
Other versions
CN108027093B (en
Inventor
久胡刚志
猪谷崇明
德永浩树
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Bomeilicheng Co ltd
Original Assignee
Hitachi Metals Ltd
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Filing date
Publication date
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Publication of CN108027093A publication Critical patent/CN108027093A/en
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Publication of CN108027093B publication Critical patent/CN108027093B/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16BDEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B39/00Locking of screws, bolts or nuts
    • F16B39/22Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening
    • F16B39/24Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening by means of washers, spring washers, or resilient plates that lock against the object
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16BDEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B43/00Washers or equivalent devices; Other devices for supporting bolt-heads or nuts
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16JPISTONS; CYLINDERS; SEALINGS
    • F16J15/00Sealings
    • F16J15/02Sealings between relatively-stationary surfaces
    • F16J15/06Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
    • F16J15/10Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L19/00Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on or into one of the joint parts
    • F16L19/04Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on or into one of the joint parts using additional rigid rings, sealing directly on at least one pipe end, which is flared either before or during the making of the connection

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Gasket Seals (AREA)
  • Joints With Pressure Members (AREA)
  • Bolts, Nuts, And Washers (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)
  • Clamps And Clips (AREA)

Abstract

The present invention provides mechanical splice and its manufacture method.The mechanical splice by nut by being screwed into main body, so that seal is compressed and carries out the sealing of main body and pipe, wherein, which has:Tooth, it is set along the circumferentially continuous of main body, possesses the wall being made of the face parallel with the central shaft of main body;And ring, it is affixed to the component of the tabular of nut, possesses the circumferential pawl towards inner side extension with nut.

Description

Mechanical splice and its manufacture method
Technical field
The present invention relates to the mechanical splice and its system used in the connection of supply cold water or the stainless steel pipe arrangement of hot water Make method.
Background technology
Commonly corrosion resistance and excellent heat resistance and light and tough with effective stainless-steel pipe, therefore, all the time Pipe arrangement for indoor supply cold water or hot water use etc..In commonly the connection of effective stainless-steel pipe is matched somebody with somebody, widely use and pass through Nut is anchored on the mechanical splice that adapter body carrys out connecting tube.For example, Patent Document 1 discloses following mechanical splice Invention, which has main body, the sealing that can be screwed into the nut of main body and be arranged at the outer circumferential surface of main body Part, is screwed into main body, thus, pipe is moved along the direction parallel with axis, in pipe in the state of pipe to be passed through to nut by nut Expansion section and main body between by seal compress and sealed.
Mechanical splice disclosed in patent document 1, which can only rely on, to be used to form the expanding of expansion section in the end of pipe And the connection that is screwed into operation just carries out pipe of the nut to main body.Therefore, what the screw chasing of the end with needing pipe was processed twists Enter connector and the welding point for needing to weld etc. to compare, there is the construction for simply carrying out pipe arrangement.In addition, work as to master When body is screwed into nut, the ring element of outer circumferential surface of the end of nut with being arranged at main body engages, and thus prevents nut court along master The direction movement of the central shaft of body.Therefore, it is possible to prevent the loosening of nut.But in deviation of the thickness due to pipe etc. and In the case where just completing the action of engagement before the expansion section of pipe presses on the tapered outer circumferential surfaces of main body securely, there are can Although it can manage and the engagement of mechanical splice is insufficient but is also mistakenly considered the shortcomings that completion is screwed into.
Patent Document 2 discloses the invention for the mechanical splice for improving the shortcoming.Mechanical splice after the improvement possesses It is held in the nut anti-looseness component of main body (with reference to Figure 11).The nut anti-looseness component and be arranged at nut that the mechanical splice possesses The hooking sheet of end form so-called " ratchet " together, only allow nut to be rotated relative to the direction of main body towards fastening.According to The structure, even if each component size there are deviation, complete the arbitrary rotational position nut of the fastening of nut all by It is fixed on main body.Therefore, pipe expansion section inner surface be firmly pressed in the tapered outer circumferential surfaces of main body complete main body with In the state of the fastening of nut, the loosening of nut is reliably prevented from.
In the preferred embodiment of the invention of the mechanical splice disclosed in patent document 2, cricoid tabular component is utilized Form nut anti-looseness component.By will be arranged at the first hole portion of nut anti-looseness component and be arranged at the holding convex portion of adapter body It is chimeric, nut anti-looseness component is held in adapter body.In addition, have in nut formed with multiple hooking sheets, hooking sheet towards tight Gu the inclined inclined plane in direction alternately continuously saws the shape of bladed with not inclined fastener.
Citation
Patent document
Patent document 1:Japanese Unexamined Patent Publication 2008-38924 publications
Patent document 2:Japanese Unexamined Patent Publication 2015-68447 publications
The content of the invention
The subject that the invention solves
In order to manufacture the mechanical splice described in patent document 2, it is necessary to prepare with holding convex portion main body and with The nut of hooking sheet.In order to manufacture the main body and nut with such complicated shape, such as can use to passing through casting And the spray manufactured implements method for finishing manufactured etc..
But the feelings that are manufactured of size as defined in the hooking sheet of the holding convex portion of main body and nut is finish-machined to Under condition, compared with manufacturing the main body of existing mechanical splice for not possessing ratchet mechanism, the situation of nut, manufacture cost becomes higher. In addition, it is difficult to enter in the range of dimensional tolerance with making the dimensionally stable of spray with complex shape, therefore, having can The finished product rate of spray can be caused to reduce.Then, manufacture cost further becomes higher.
The present invention be in view of above-mentioned problem and complete, its purpose is to provide a kind of easy to manufacture and will can manufacture What cost suppressed relatively low possesses the mechanical splice of ratchet mechanism.
Solutions to solve the problem
The mechanical splice of embodiments of the present invention has:Main body;Nut, it can be screwed into the main body;It is and close Sealing, it is arranged at the main body, by the way that the nut is screwed into the main body in the state of passing through the nut in pipe, from And the seal is compressed between the expansion section of the enlarged-diameter in pipe and the main body and is sealed, its feature exists In the mechanical splice has:Tooth, it sets along the circumferentially continuous of the main body, possesses by the center with the main body The wall that the parallel face of axis is formed;And ring, it is affixed to the component of the nut, possesses the court compared with the circumferential direction of the nut The pawl extended inwardly.When making nut be rotated relative to main body, the ring for being fixed on nut also rotates in the same direction.
Mechanical splice main body described in more detail possesses external screw thread in outer circumferential surface, and the nut possesses for institute in inner peripheral surface State the internal thread that external screw thread is screwed into, the seal be circumferentially arranged at the main body outer circumferential surface or the main body it is interior Side face, by by the pipe with the expansion section include at least the expansion section including part be configured at the nut Inner side in the state of the nut is screwed into the main body so that will be described close between the expansion section and the main body Seal compression and sealed, the ring is affixed to the component of the inner side of the nut.
According to above-mentioned structure, in the mechanical splice of embodiments of the present invention, when wanting nut relative to main body During the direction fastening compressed towards seal, pawl elastic deformation that ring possesses and take on the tooth of main body is arranged at, therefore, Pawl can cross tooth.When wanting to relax nut relative to the direction that the compression of main body towards seal is released from, the front end of pawl Hooking acts on the power for wanting to compress pawl in the wall that tooth possesses.Therefore, pawl can not be taken on tooth, and therefore, pawl can not Cross tooth.The interaction of tooth and pawl in this way, can prevent nut from being loosened relative to main body.
In the mechanical splice of embodiments of the present invention, ring be relative to the component of the tabular of nut independence, thus, with Situation about being processed to the hooking sheet of the part as nut of the prior art is compared, and can easily process pawl, and The dimensional accuracy of pawl after processing is also excellent, therefore, it is possible to suppress relatively low the product cost of mechanical splice.
In a preferred embodiment of the invention, tooth is made of the component for being provided with the tabular of hole portion or protrusion. Identical with ring in the embodiment, tooth is also the component of tabular, relative to independence.Therefore, with the main body to the prior art Holding convex portion situation about being processed compare, can easily process tooth, the dimensional accuracy of the tooth after processing is also excellent, therefore It can suppress the product cost of mechanical splice lower.The invention further relates to the invention for the method for manufacturing above-mentioned mechanical splice.
Invention effect
In accordance with the invention it is possible to a kind of following mechanical splice is provided, the mechanical splice of the mechanical splice and the prior art The loosening of nut, and easy to manufacture, energy equally can be reliably prevented in the arbitrary rotational position for the fastening for completing nut It is enough that manufacture cost is suppressed relatively low, and possess ratchet mechanism.
Brief description of the drawings
Fig. 1 is the partial sectional view for the mechanical splice for representing first embodiment.
Fig. 2 is the stereogram for the ring for representing first embodiment.
Fig. 3 is the sectional view for the ring that amplification represents first embodiment.
Fig. 4 is the stereogram for the nut for representing first embodiment.
Fig. 5 is the stereogram for the nut for representing another embodiment.
Fig. 6 is the sectional view for the tooth for representing first embodiment.
Fig. 7 is the sectional view for the tooth for representing first embodiment.
Fig. 8 is the sectional view for the tooth for representing another embodiment.
Fig. 9 is the sectional view for the tooth for representing another embodiment.
Figure 10 is the sectional view for the transition part for representing another embodiment.
Figure 11 is the sectional view of the example for the mechanical splice for representing the prior art.
Figure 12 is the explanatory drawin for the mechanical splice for representing another embodiment.
Figure 13 is to represent that bent member is fixed on the explanatory drawin of the state of nut.
Embodiment
A. first embodiment:
The mode for implementing the present invention is described in detail referring to the drawings.It should be noted that reality described herein as Apply mode and only illustrate embodiments of the present invention, embodiments of the present invention are not limited to the side illustrated herein Formula.
Fig. 1 is the partial sectional view of the example for the mechanical splice for representing present embodiment.The left side of Fig. 1 represents mechanical splice The state for the midway that the engagement of 1 and pipe P is not yet completed.The right side of Fig. 1 represents the state that the engagement of mechanical splice 1 and pipe P is completed. In Fig. 1, using the central shaft of mechanical splice 1, that is, axis CA as border, connect compared to axis CA by illustrating machinery on the upside of paper First 1 section shape, compared to axis CA by illustrating the face shaping of mechanical splice 1 on the downside of paper.
The mechanical splice 1 of present embodiment has main body 2, can be screwed into the nut 3 of main body 2 and circumferentially set It is placed in the seal 4 of the outer circumferential surface of main body 2.The mechanical splice 1 of present embodiment is will have enlarged-diameter in end Being configured at including at least the part including the PL of expansion section in the state of the inner side of nut 3 in the pipe P of expansion section PL, by nut 3 Main body 2 is screwed into, the mechanical splice 1 that thus seal 4 is compressed and sealed between expansion section PL and main body 2.
In the mechanical splice of another embodiment, it is possible to have be circumferentially arranged at the close of the inner peripheral surface of main body 2 Sealing 4.In such embodiment, the part including the PL of expansion section is being configured to the inner side of nut 3 and main body 2 Inner side in the state of, nut 3 is screwed into main body 2, thus between expansion section PL and main body 2 by seal 4 compress and into Row sealing.
In the mechanical splice 1 illustrated in Fig. 1, there is expansion section PL in the end set of pipe P.In the machinery of present embodiment In connector 1, in the state of expansion section PL is sandwiched using the tapered inner circumferential surface of the tapered outer circumferential surfaces of main body 2 and nut 3, by nut 3 are screwed into main body 2, and the portion PL of will be enlarged by is pressed against the tapered outer circumferential surfaces of main body 2, thus, the realization body 2 by compression of seal 4 With the sealing of pipe P.In the mechanical splice of another embodiment, the structure for the sealing being not limited to illustrated in Fig. 1, as long as shape Can be arbitrary structure as by the way that nut is screwed into the structure that main body compressed and seal.
In the expansion section PL of the pipe used in the mechanical splice of another embodiment, it is not limited to be arranged at Fig. 1 institutes The expansion section PL of the end of the pipe of illustration, as long as by the way that nut is screwed into master in the state of by inner side of the pipe through nut Body and between the expansion section PL and main body of pipe by seal compression structure expansion section, can be arbitrary shape expansion Portion PL.The position of setting expansion section in pipe may not be the end of pipe.
The mechanical splice 1 of present embodiment is characterized in that having:Tooth 5, it is continuously provided in the outer circumferential surface of main body 2, Possesses the wall 51 being made of the face parallel with the central shaft of main body 2;And ring 6, it is affixed to the component of the inner side of nut 3, Possess compared with the circumferential direction of nut 3 towards the pawl 61 of inner side extension.
Tooth 5 is circumferentially continuous the multiple protrusions set along main body 2.Tooth 5 is arranged to work as is screwed into master by nut 3 The position opposed with being arranged at the ring 6 of nut 3 during body 2 (with reference to Fig. 6 and Fig. 7).Tooth 5 possesses by being put down with the central shaft of main body 2 The wall 51 that capable face is formed.Form that the face of wall 51 is parallel with the central shaft of main body 2, but wall 51 and the central shaft of main body 2 is mutual Geometric position relationship it is not stringent, the error that can not avoid in manufacture can be included in.
Ring 6 is that the component of tabular is formed as the component that ring-type forms.In the present embodiment, ring 6 is a part for ring The shape (with reference to Fig. 2) being cut off, but also referred to as ring.In another embodiment, ring 6 can also be complete ring The shape of shape.Ring 6 is arranged at the position opposed with being arranged at the tooth 5 of main body 2 when nut 3 is screwed into main body 2.
The pawl 61 that ring 6 possesses is compared with the circumferential direction of nut 3 towards inner side extension (with reference to Fig. 2).The front end of pawl 61 is with setting The tooth 5 for being placed in main body 2 contacts.Ring 6 is the component of flexible tabular.Thus, the pawl 61 as a part for ring 6 also has Elasticity.Ring 6 is fixed on nut 3, therefore, when making nut 3 be rotated relative to main body 2, be fixed on the ring 6 of nut 3 also towards and spiral shell Female 3 identical directions rotate.
Fig. 2 is the stereogram of the ring 6 for the mechanical splice 1 for representing present embodiment.In the present embodiment illustrated in Fig. 2 In, pawl 61 is the multiple projections being integrally formed with ring 6.More specifically, pawl 61 is with from the width of the ring 6 in ring 6 The shape that inwards extends of central portion formed it is multiple.By the way that pawl 61 and ring 6 are integrally formed, manufacture cost can be reduced. In addition, by forming multiple pawls 61, the loosening of nut 3 can be more reliably prevented from.
In the ring 6 shown in Fig. 2, pawl 61 is two long by being cut out from the central portion on the width of the ring 6 in ring 6 The notch of side and a short side and formed.In addition, cut out the opposite direction of the part being connected with ring 6 in the part of notch On part bend and formed in a manner of extending towards 2 side of main body (inner side of ring 6).Such as mould short time and height can be used Carry out to machining accuracy cutting off processing, the bending machining of the component of such tabular.
In the ring 6 shown in Fig. 2, the extending direction of pawl 61 tilts inwardly compared with the circumferential direction of ring 6, the inclined direction It is consistent with a direction of rotation in figure shown in arrow.The direction of rotation and the nut 3 that makes to be fixed with ring 6 are with relative to main body 2 The direction of rotation when mode relaxed rotates is consistent (with reference to Fig. 7).By when retainer ring 6 is fixed on nut 3 with this side To the direction of setting pawl 61, the locking effect thus, it is possible to obtain desired nut 3.
In the ring 6 of the present embodiment shown in Fig. 2, pawl 61 is formed at the central portion on the width of ring 6, but another In one embodiment, the position for forming pawl 61 is not limited to the position.For example, in another embodiment, pawl 61 can also The end for the side being formed on the width of ring 6.In this case, with pawl 61 is formed on the width of ring 6 The situation of central portion is compared, and cutting off processing, the bending machining of pawl 61 become easy.
The shape of pawl 61 is not limited to the rectangle shown in Fig. 2, in another embodiment, such as can also be triangle The arbitrary shape of shape, ellipse etc..However, it is desirable to enable pawl 61 towards thickness direction (interior direction of ring 6) bullet of ring 6 Property deformation.Therefore, for the shape of the part towards the extension of 2 side of main body in pawl 61, length is than ring 6 preferably in the circumferential direction of ring 6 Length length on width.
In the mechanical splice 1 of present embodiment, when the side for wanting relative to main body 2 to be compressed nut 3 towards seal 4 To during fastening, pawl 61 that ring 6 the possesses elastic deformation in a manner of taking on the tooth 5 for be arranged at main body 2, therefore, 61 energy of pawl Enough cross tooth 5 (with reference to Fig. 6).Therefore, it is allowed to the rotation of ring 6 and nut 3.Want conversely, working as by nut 3 relative to main body 2 When the direction being released from towards the compression of seal 4 is relaxed, the front end hooking of pawl 61 in the wall 51 that tooth 5 possesses act on have it is desired The power for compressing pawl 61, thus, pawl 61 can not be taken on tooth 5 (with reference to Fig. 7).Therefore, pawl 61 can not cross tooth 5, prevent ring 6 And the rotation of nut 3.In this way, by the tooth 5 for combining flexible pawl 61 Yu possessing wall 51, produce only in one direction Allow rotating effect of the nut 3 relative to main body 2.
In the mechanical splice 1 of present embodiment, ring 6 is the component relative to the independent tabular of nut 3.Therefore, with it is right The situation that the hooking sheet of the part as nut of the prior art is processed is compared, and pawl can be easily processed, after processing Pawl dimensional accuracy it is also excellent, therefore, it is possible to suppress relatively low the product cost of mechanical splice 1.
The component of the tabular of ring 6 is formed preferably using handling ease, the elasticity with appropriateness, corrosion resistance also excellent material Material.As the component of tabular, such as thin plate of stainless steel etc. can be used.The thin plate of stainless steel is used in the component as tabular In the case of, its thickness is preferably more than 0.3mm and below 1.0mm.
Fig. 3 is the sectional view being exaggerated for the ring 6 for representing present embodiment.In figure 3, ring 6 is around positioned at the lower section of figure The central shaft of ring 6 (not shown) describes gentle circular arc, as ring 6 a part pawl 61 towards the central shaft side of ring 6 (ring 6 Inner side), i.e., side extension when nut 3 being screwed into main body 2 present in main body 2.In the present embodiment illustrated in Fig. 3, The direction that pawl 61 extends includes the component of the central shaft towards ring 6, and is 45 degree with the circumferential angulation of ring 6.Another In embodiment, the direction that pawl 61 extends is preferably the scope of more than 20 degree and less than 70 degree.Herein, the circumferential direction of ring 6 refers to, figure It is on the long side direction of ring 6 shown in 3, with when the nut 3 for being fixed with ring 6 is rotated relative to main body 2 in a manner of relaxing The consistent direction in direction of rotation, i.e. Fig. 3 from right towards left direction.
In the state of nut 3 is screwed into main body 2, the central shaft and the central shaft of main body 2 of the ring 6 of nut 3 are fixed on Unanimously.Thus, in the above-described embodiment, the front end of pawl 61 is connected to the face of wall 51, and therefore, the front end hooking of pawl 61 is in wall 51 slide up and down without court.Thus, when the side for wanting nut 3 being released from relative to the compression of main body 2 towards seal 4 To when relaxing, the front end hooking of the pawl 61 contacted with wall 51 is in wall 51 without being slided on wall 51.
In the above-described embodiment, mark θ is used in the circumferential angulation of the direction of the extension of pawl 61 and ring 6, i.e. Fig. 3 The angle of expression is more than 20 degree and less than 70 degree.If the angle is less than 20 degree, the front end never ring 6 of pawl 61 is towards 2 side of main body Fully extend, therefore, when wanting to relax nut 3 relative to the direction that the compression of main body 2 towards seal 4 is released from, pawl In wall 51, not there is the rotating possibility for allowing nut 3 in hooking for 61 front end.
If the angle is more than 70 degree, when the side for wanting nut 3 being released from relative to the compression of main body 2 towards seal 4 To when relaxing, even if the front end hooking of pawl 61 acts on the power for having and wanting to compress pawl 61 in wall 51, pawl 61 is to opposite with wall 51 Direction distortion, exist allow nut 3 rotating possibility.Thus, which is preferably more than 20 degree and less than 70 degree.Angle The scope of degree is more preferably more than 30 degree and less than 60 degree.
Pawl 61 is bent from the part being connected with ring 6 cut out in the part of notch, but in the part of notch is cut out The part being connected with ring 6 do not bend sharp, as the example shown in figure 3, connecting from the part of notch is cut out with ring 6 In the case that the front end for being partially toward pawl 61 connect is bent in a manner of describing gradually gentle curve, the concentration of stress is delayed Improved so as to the durability of pawl 61, so it is preferred that.In this case, formed by pawl 61 is extended direction and the circumferential direction of ring 6 Angle refers to, as shown in figure 3, the direction of the tangent line of the front end of pawl 61 and the circumferential angulation of ring 6.
In the present embodiment illustrated in Fig. 2 and Fig. 3, ring 6 is a part for the component for being formed as cricoid tabular Removed shape, has the ring fixed mechanism 62 towards 3 side of nut (outside of ring 6) extension.Ring fixed mechanism 62, which is fixed on, to be set It is placed in the ring mounting hole 32 of nut 3.Ring mounting hole 32 for being arranged at nut 3, will represent the nut 3 of present embodiment It is aftermentioned in the explanation of Fig. 4.
By the shape for by ring 6 being configured to that there is a part for the component for being formed as cricoid tabular to be removed, can make The elastic deformation in a manner of the diameter of ring 6 diminishes of ring 6.Make the internal side diameter of the one side of ring 6 so elastic deformation one side inserted num 3, Ring fixed mechanism 62 is fixed on ring mounting hole 32, thus, such as ring 6 can be fixed on nut 3 as shown in Figure 1.
Ring fixed mechanism 62 has is fixed on nut 3 so that the internal diameter side ring 6 in nut 3 is not easy relative to nut 3 by ring 6 Rotating function.It is therefore preferable that multiple ring fixed mechanisms 62 are provided with, additionally, it is preferred that for wanting to destroy ring fixed mechanism 62 Power there is enough intensity.Therefore, for ring fixed mechanism 62, the circumferential length of ring 6 is preferably set to the width than ring 6 The length in direction is short.
Ring fixed mechanism 62 is identical with pawl 61, is integrally formed with ring 6.If pawl 61 and ring fixed mechanism 62 and ring 6 one Formed body, then can reduce manufacture cost, so it is preferred that.In the present embodiment, when by pawl 61 and ring fixed mechanism 62 When being formed at the central portion of the width of ring 6, as shown in Fig. 2, not being the complete cycle formation pawl 61 throughout ring 6, but remain The position of pawl 61 is not formed in a part for ring 6, and ring fixed mechanism 62 is formed at the position.By ring fixed mechanism 62 and ring 6 In the case of being integrally formed, as shown in FIG. 2 and 3, towards 3 side of nut extension ring fixed mechanism 62 extend direction be with The side that pawl 61 extends in the opposite direction, can reliably carry out the locking of nut 3, so it is preferred that.
Fig. 4 is the stereogram for the nut 3 for representing present embodiment.Nut 3 has through hole 31, the Yi Jiyong through pipe P In the ring mounting hole 32 of retainer ring 6.In the present embodiment, the ring mounting hole 32 for being arranged at nut 3 is only as shown in Figure 4 Vertical through hole.In another embodiment, the ring mounting hole 32 for being arranged at nut 3 can also be as shown in Figure 5 from spiral shell The hole for the channel-shaped that the end of mother 3 is continuously formed.In addition, ring mounting hole 32 can also be the hole not penetrated through.By ring mounting hole In the case that 32 are formed as the hole of channel-shaped, without making the elastic deformation in a manner of the diameter of ring 6 diminishes of ring 6 just to consolidate ring 6 Due to nut 3.Therefore, it is possible to reduce the dimensional tolerance of ring fixed mechanism 62 and ring mounting hole 32, it is possible to increase assembly precision. In addition, the manufacture of nut 3 also becomes easy, so it is preferred that.
In the present embodiment, ring fixed mechanism 62 can be consolidated after the completion of mechanical splice 1 with the engagement of pipe P from based on ring Determine the fixed releasing in hole 32.As the method for releasing ring fixed mechanism 62 from fixing based on ring mounting hole 32, for example, having Deform the front end of ring fixed mechanism 62 bar-shaped fixture insertion ring mounting hole 32 and be allowed to towards nut 3 relative to main body 2 The rotating method in direction relaxed.Or, it may have the side relaxed without using bar-shaped fixture towards nut 3 relative to main body 2 To stronger moment of torsion is assigned, thus make the method for the front end deformation or fracture of ring fixed mechanism 62.
The above-mentioned function of being released after the completion of the engagement of mechanical splice 1 and pipe P from fixing based on ring mounting hole 32 is existing The new function that the mechanical splice for having technology does not have., can be temporary in the mechanical splice 1 of the present embodiment with this When release construction pipe arrangement a part engagement and replace other components, or will only use the ring 6 of mechanical splice 1 finished New product is replaced with, thus, it is possible to be recycled as mechanical splice 1.
In the mechanical splice 1 of present embodiment, for the shape of tooth 5, as long as being arranged at main body 2, when nut 3 is towards fastening Direction when rotating pawl 61 can cross, when nut 3 is rotated towards the direction relaxed, pawl 61 can not be crossed, then can be so that any Shape.For the shape of tooth 5, according to the relation with pawl 61, it is preferably arranged to when nut 3 is rotated towards the direction relaxed The front end hooking of pawl 61 acts on the shape for having the power for wanting to compress pawl 61 in the wall 51 that tooth 5 possesses.
In the mechanical splice 1 of present embodiment, preferably tooth 5 throughout main body 2 complete cycle set.This is because by such as This is set, while the tightening action of nut 3 is completed in arbitrary rotational position relative to main body 2, in the rotation position Place plays the locking functions of nut 3.On the other hand, for pawl 61, can be set throughout the complete cycle of ring 6 with the spacing identical with tooth 5 Put, can also be with the interval setting of the multiple of the spacing of tooth 5.
Fig. 6 is the sectional view for the tooth 5 for representing present embodiment.The tooth 5 of present embodiment illustrated in Fig. 6 is main body 2 The protrusion that a part is extended towards 3 side of nut (lateral direction of main body 2).Wall 51 is the side of protrusion.In this embodiment party In formula, tooth 5 is integrally formed as a part for main body 2 with main body 2.For the protrusion of present embodiment, by with master Section during the plane cutting of the central axis of body 2 has shape as the tooth of horizontal gear.In addition, the front end of protrusion is It is flat.The situation of with complex shape part of such protrusion such as the hooking sheet with forming saw bladed in main body 2 Compare, can manufacture at low cost.
The tooth 5 of present embodiment and the interaction of pawl 61 are illustrated using Fig. 6 and Fig. 7.In figure 6, solid line Long arrow be fixed on nut 3 when indicating a desire to fasten in the direction that nut 3 is compressed towards seal 4 relative to main body 2 The direction of rotation of ring 6.In this case, the pawl 61 that ring 6 possesses is taken on the tooth 5 of main body 2 is arranged at and towards the thickness of ring 6 Direction (direction represented in Fig. 6 with small arrow) elastic deformation, therefore, pawl 61 can cross tooth 5.Therefore, it is allowed to ring 6 and spiral shell The rotation of mother 3.
In the figure 7, the long arrow of dotted line indicates a desire to be released from nut 3 relative to the compression of main body 2 towards seal 4 The direction of rotation of the ring 6 for being fixed on nut 3 when direction is relaxed.In this case, the front end hooking of pawl 61 possesses in tooth 5 Wall 51 and act on the power (power represented in Fig. 7 with small arrow) for having and wanting to make pawl 61 to compress, thus pawl 61 can not be taken in tooth 5 On.Therefore, pawl 61 can not cross tooth 5, can prevent the rotation of ring 6 and nut 3.In this way, the phase interaction by tooth 5 and pawl 61 With, it is allowed to the rotation in the direction shown in the arrow of the solid line of Fig. 6, prevent Fig. 7 dotted line arrow shown in direction rotation.
As shown in Fig. 6 and Fig. 7, for the protrusion of present embodiment, pass through the plane of the central axis with main body 2 Section during cutting has shape as the tooth of horizontal gear, but the present invention is not limited to this.Such as can also be saw bladed (with reference to Figure 12).
In addition, in mechanical splice 1, as shown in Figure 1, main body 2 has external screw thread and tapered outer circumferential surfaces, spiral shell in outer circumferential surface Mother 3 has the internal thread that can be fastened with external screw thread and the tapered inner circumferential surface facing with tapered outer circumferential surfaces in inner peripheral surface, close Sealing 4 is embedded into the groove portion for the tapered outer circumferential surfaces for being arranged at main body 2, and the expansion section PL of pipe is arranged at the end of pipe.In the implementation In mode, in the through hole 31 of nut 3 through managing, the end for being arranged at pipe P is sandwiched using tapered outer circumferential surfaces and tapered inner circumferential surface In the state of the expansion section PL in portion, nut 3 is screwed into main body 2 and the portion PL of will be enlarged by is pressed against tapered outer circumferential surfaces, thus, sealing The sealing of realization body 2 and pipe P by compression of part 4.
In this embodiment, only by implement pipe P end set expansion section PL processing just can reliably into The engagement of row mechanical splice 1 and pipe P.In addition, seal 4 initially starts just to be arranged at main body 2, therefore, without worrying to forget Seal 4 is set.
B. variation:
Fig. 8 is the sectional view of the example for the tooth 5 for representing another embodiment.In the embodiment illustrated in Fig. 8, tooth 5 It is the part between multiple through hole 2h of the component of tabular of main body 2 setting are fixed on.Wall 51 is through hole 2h Medial surface.In this embodiment, the front end for the pawl 61 that ring 6 possesses is engaged with the wall 51 of the side as through hole 2h.By Tooth that the component of tabular is formed and compared with the tooth that main body 2 is integrally formed, can manufacture at low cost.Form the tabular of tooth 5 Component thickness be thicker than the tabular for forming pawl 61 component thickness, can be reliably achieved the front end of pawl 61 with addition to hole Part side engagement, so it is preferred that.
Fig. 9 is the sectional view of the example for the tooth 5 for representing another embodiment.In the embodiment illustrated in Fig. 9, tooth 5 It is the protrusion extended from the component for the tabular for being fixed on main body 2 towards 3 side of nut (compared with circumferential direction of main body 2 laterally), wall 51 be the side of protrusion.In this embodiment, tooth 5 is the component of tabular, and the front end for the pawl 61 that ring 6 possesses is prominent with being used as The wall 51 of the side in the portion of rising engages.The protrusion is identical with pawl 61, can be integrally formed with the component of tabular, and with main body 2 The tooth being integrally formed is compared, and can be manufactured at low cost.The intensity needs of protrusion have will not be because of the power transmitted from pawl 61 And the intensity of the degree deformed.It is therefore preferable that the thickness for forming the component of the tabular of tooth 5 is thicker than the component for the tabular for forming pawl 61 Thickness.It is preferred that width of the height of protrusion less than the component of tabular.
In the embodiment shown in Fig. 8 and Fig. 9, tooth 5 has the tooth fixed mechanism 52 towards the extension of 2 side of main body.Tooth is consolidated Determine mechanism 52 be fixed on main body 2 outer circumferential surface setting tooth mounting hole (not shown).In the embodiment party shown in Fig. 8 and Fig. 9 In formula, tooth 5 is provided with the component of the tabular of through hole 2h or protrusion, with being fixed on ring 6 using ring fixed mechanism 62 The situation of nut 3 is identical, and tooth 5 is fixed on to the tooth mounting hole of main body 2 using tooth fixed mechanism 52.When ring fixed mechanism 62 is formed For can when being released after the completion of the engagement of mechanical splice 1 and pipe P from fixed based on ring mounting hole 32, by nut 3 from master After body 2 separates, the tooth fixed mechanism 52 of tooth 5 can be released from the tooth mounting hole of main body 2 and unload lower tooth 5, and be replaced with new Tooth 5.
Figure 10 is the sectional view of the transition part 21 for the main body 2 for representing another embodiment.In the embodiment party illustrated in Figure 10 In formula, main body 2 is provided with transition part 21.The transition part 21 is arranged on the direction of the central shaft along main body 2 with trend The center of main body 2 and the outside diameter of main body 2 becomes larger.In this embodiment, when wanting nut 3 being screwed into main body 2, ring The front end of 6 pawl 61 contacts and rotates with the periphery of transition part 21, becomes relative to the rotating resistance with nut 3 is screwed into By force.Being dimensioned so as to overcome the resistance of each portion can be completed to be screwed into using hand.
In the above-described embodiment, in the case where main body 2 is provided with transition part 21, hand can not be used to complete to be screwed into, Therefore, it is able to detect that what is be screwed into does not complete from pipe P and the clearance leakage fluid of main body 2 when the water pressure test.Pulled using pipe In the case that nut 3 is screwed into main body 2 by the instruments such as hand, stronger moment of torsion can be assigned to nut 3 by the use of instrument, because This, can overcome resistance caused by above-mentioned transition part 21 and be screwed into nut 3.In this case, the front end of pawl 61 is touched with tooth 5 Hit and produce operation sound.The generation of operation sound is confirmed while carrying out based on the fastening of instrument untill nut 3 stops, energy It is enough to complete to be screwed into.Set alternatively, it is also possible to the part in main body 2 by the completion being screwed into and hiding indicator.
The mechanical splice 1 of each embodiment described above is configured to, and the ring 6 with pawl 61 is fixed on nut 3, by tooth 5 are arranged at main body 2.Even if tooth 5 is arranged at spiral shell on the contrary, being configured to the ring 6 with pawl 61 being fixed on main body 2 with the structure Mother 3, can also obtain identical effect.That is, another embodiment as mechanical splice 1 of the invention, mechanical splice 1 Can also be following mechanical splice 1, it is characterised in that also have:Ring 6, it is affixed to the component of the tabular of main body 2, tool The standby pawl 61 towards the extension of 3 side of nut;And tooth 5, it sets along the circumferentially continuous of nut 3, possesses by the center with nut 3 The wall 51 that the parallel face of axis is formed.According to the embodiment, the free degree of the design of mechanical splice 1 improves, so it is preferred that.
C. second embodiment:
Figure 12 is the explanatory drawin for the mechanical splice 1a for representing another embodiment.Figure 13 is to represent that bent member 7 is fixed on The explanatory drawin of the state of nut 3.It is different from mechanical splice 1 with 7 this point of bent member that mechanical splice 1a replaces ring 6 to transfer. In the embodiment illustrated in Figure 12, component that bent member 7 is bar-like possesses:Part I 71, it is disposed through spiral shell The mounting hole 3h of all sides of mother 3;Part II 72, it is connected with the end of the side in Part I 71, in the outer of nut 3 Circumferentially extending of the side along nut 3;Part III 73, it is connected with the end of the opposing party in Part I 71, in nut 3 Circumferentially extending of the inner side along nut 3;And Part IV 74, it is from the end being connected with Part I 71 in Part III 73 The interior lateral bend of end in the opposite direction in portion towards nut 3.The component that bent member 7 can not also be bar-like, but band The component of shape.In Figure 12 and Figure 13, the mounting hole 3h for being arranged at nut 3 is the groove being continuously formed from the end of nut 3 The hole of shape.In another embodiment, can also be in the through hole of the end independence of nut 3.
By Part I 71, Part II 72 and Part III 73 from the inner peripheral surface hooking of nut 3 to outer circumferential surface, by Bent member 7 is fixed on nut 3 by this.Bent member 7 in the state of nut 3 is fixed on, when want by nut 3 relative to master During the direction fastening that body 2 is compressed towards seal 4,74 elastic deformation of Part IV that bent member 7 possesses and take and setting It is placed on the tooth 5 of main body 2, therefore, Part IV 74 can cross tooth 5.Therefore, it is allowed to the rotation of bent member 7 and nut 3 Turn.
Conversely, when wanting to relax nut 3 relative to the direction that the compression of main body 2 towards seal 4 is released from, the 4th 74 front end hooking is divided to act on the power for having and wanting to compress Part IV 74, thus, Part IV in the wall 51 that tooth 5 possesses 74 can not take on tooth 5.Therefore, Part IV 74 can not cross tooth 5, prevent the rotation of bent member 7 and nut 3.This Sample, by the tooth 5 for combining Part IV 74 Yu possessing wall 51, produce only allows nut 3 relative to main body 2 in one direction Rotating effect.
Only rely on the component of bar-shaped component or banding is cut off and bending machining can be realized as playing with The bent member 7 of the identical effect of the pawl 61 of first embodiment, therefore, manufacture becomes easier to, the reduction to manufacturing cost Effectively.
Section shape for forming the bar-shaped component of bent member 7 or the component of banding, compared with circle more preferably Rectangle.In the case where the section shape of the component of bar-shaped component or banding is rectangle, the situation with section shape for circle Compare, bent member 7 becomes difficult to rotate, therefore, it is possible to more reliably play the role of ratchet.For example, it can will bend structure The section of part 7 is set to the rectangle that thickness is 0.5mm, width is 3mm.
The method for manufacturing the mechanical splice of the present invention carries out ring 6 by using the cutting off processing and bending machining of mould Formation.Ring 6 with pawl 61 is the component of the shape with feature in the mechanical splice of the present invention, by using mould pair The component is processed, and can manufacture the high ring 6 of dimensional accuracy in a short time, therefore can reduce manufacture cost.Mould example It can be such as made of punch die and punch, mutually different mould can be used in cutting off processing and bending machining.
In the method for manufacture mechanical splice, the formation of tooth 5 can also be carried out by using the rotary rolling mill of rolling die, The mechanical splice is the mechanical splice of the present invention, and tooth is to extend protrusion from main body towards nut side, and wall is the side of protrusion.Rolling Roll the rotary body formed by tool steel for the shape that mould is the protrusion with tooth 5, can by by the rolling die while pressing In main body 2 while rotating to carry out the formation of protrusion.The method of protrusion is formed using rolling die and passes through machining etc. The situation for forming protrusion is compared, and dimensional accuracy is high, therefore can reduce manufacture cost.
Description of reference numerals:
1:Mechanical splice;
1a:Mechanical splice;
2:Main body;
2h:Through hole;
3:Nut;
3h:Mounting hole;
4:Seal;
5:Tooth;
6:Ring;
7:Bent member;
21:Transition part;
31:Through hole;
32:Ring mounting hole;
51:Wall;
52:Tooth fixed mechanism;
61:Pawl;
62:Ring fixed mechanism;
71:Part I;
72:Part II;
73:Part III;
74:Part IV;
CA:Axis;
P:Pipe;
PL:Expansion section.
Claims (according to the 19th article of modification of treaty)
A kind of (1. after modification) mechanical splice, has:
Main body;
Nut, it can be screwed into the main body;And
Seal, it is arranged at the main body,
By the way that the nut is screwed into the main body in the state of passing through the nut in pipe, so that the enlarged-diameter in pipe Expansion section and the main body between the seal compressed and sealed,
It is characterized in that,
The mechanical splice has:
Tooth, it is continuously provided in the circumferential direction of the main body, possesses what is be made of the face parallel with the central shaft of the main body Wall;And
Ring, it is affixed to the component of the nut, possesses the pawl extended compared with the circumferential direction of the nut towards inner side,
The ring is configured to, and after the completion of the engagement of the mechanical splice and the pipe, can release the ring from the nut.
2. mechanical splice according to claim 1, wherein,
The pawl is the multiple projections being integrally formed with the ring, and the direction of the pawl extension is included towards in the ring The component of mandrel and with direction that the circumferential angulation of the ring is more than 20 degree and less than 70 degree.
3. mechanical splice according to claim 2, wherein,
The ring is in the shape that a part for the cricoid part in the component for be formed as cricoid tabular is removed, With the ring fixed mechanism extended to the nut side, the ring fixed mechanism, which is fixed on the ring set in the nut, to be fixed Hole.
4. mechanical splice according to any one of claim 1 to 3, wherein,
The tooth is the protrusion that a part for the main body extends to the outside of the main body, and the wall is the protrusion Side.
5. mechanical splice according to any one of claim 1 to 3, wherein,
The tooth be be fixed on the component of tabular of the main body setting multiple through holes between part, the wall It is the medial surface of the through hole.
6. mechanical splice according to any one of claim 1 to 3, wherein,
The tooth is the protrusion extended from the component for the tabular for being fixed on the main body to the outside of the main body, and the wall is The side of the protrusion.
7. the mechanical splice according to claim 5 or 6, wherein,
The tooth has the tooth fixed mechanism extended to the main body side, and the tooth fixed mechanism is fixed in the outer of the main body The tooth mounting hole that side face is set.
8. mechanical splice according to any one of claim 1 to 7, wherein,
The main body is provided with transition part, and the transition part is on the direction of the central shaft along the main body with the trend master The outside diameter of the main body of body becomes larger.
9. mechanical splice according to any one of claim 1 to 8, wherein,
The main body possesses external screw thread in outer circumferential surface,
The nut possesses the internal thread being screwed into for the external screw thread in inner peripheral surface,
The seal is circumferentially arranged at the outer circumferential surface of the main body or the inner peripheral surface of the main body,
By by the pipe with the expansion section include at least the expansion section including part be configured at the nut Inner side in the state of the nut is screwed into the main body so that will be described close between the expansion section and the main body Seal compression and sealed,
The ring is affixed to the component of the inner side of the nut.
A kind of (10. after modification) mechanical splice, has:
Main body;
Nut, it can be screwed into the main body;And
Seal, it is circumferentially arranged at the outer circumferential surface of the main body or the inner peripheral surface of the main body,
By being configured at by the part included at least including the expansion section in the pipe of the expansion section with enlarged-diameter The nut is screwed into the main body in the state of the inner side of the nut, so that between the expansion section and the main body The seal is compressed and is sealed,
It is characterized in that,
The mechanical splice also has:
Ring, it is the component for the outer circumferential surface for being circumferentially fixed on the main body, possesses the direction compared with the circumferential direction of the main body The pawl of outside extension;And
Tooth, it, which is continuously provided, in the inner peripheral surface of the nut, possesses what is be made of the face parallel with the central shaft of the nut Wall,
The ring is configured to, and after the completion of the engagement of the mechanical splice and the pipe, can release the ring from the main body.
11. mechanical splice according to any one of claim 1 to 10, wherein,
The main body has tapered outer circumferential surfaces in outer circumferential surface,
The nut has the tapered inner circumferential surface facing with the tapered outer circumferential surfaces in inner peripheral surface,
The seal is embedded into the groove portion in the tapered outer circumferential surfaces setting of the main body.
12. a kind of mechanical splice, has:
Main body;
Nut, it can be screwed into the main body;And
Seal, it is circumferentially arranged at the outer circumferential surface of the main body or the inner peripheral surface of the main body,
By being configured at by the part included at least including the expansion section in the pipe of the expansion section with enlarged-diameter The nut is screwed into the main body in the state of the inner side of the nut, so that between the expansion section and the main body The seal is compressed and is sealed,
It is characterized in that,
The mechanical splice has:
Tooth, it is set along the circumferentially continuous of the main body, possesses what is be made of the face parallel with the central shaft of the main body Wall;And
Bent member, it is curved bar-shaped or banding component, is possessed:Part I, it passes through the week in the nut The mounting hole that side is set;Part II, it is connected with the end of the side in the Part I, in the outside of the nut Along the circumferentially extending of the nut;Part III, it is connected with the end of the opposing party in the Part I, in the spiral shell Circumferentially extending of female inner side along the nut;And Part IV, it is from same with described first in the Part III Partly interior lateral bend of the end on the opposite direction in the end of connection towards the nut.
13. mechanical splice according to claim 12, wherein,
The tooth is the protrusion extended from the component for the tabular for being fixed on the main body to the outside of the main body, and the wall is The side of the protrusion.
14. a kind of method for manufacturing mechanical splice, which is that the machinery any one of claim 1 to 11 connects Head, wherein,
The formation of the ring is carried out by using the cutting off processing and bending machining of mould.
15. a kind of method for manufacturing mechanical splice, which is the mechanical splice described in claim 4, wherein,
The formation of the tooth is carried out by using the rotary rolling mill of rolling die.

Claims (15)

1. a kind of mechanical splice, has:
Main body;
Nut, it can be screwed into the main body;And
Seal, it is arranged at the main body,
By the way that the nut is screwed into the main body in the state of passing through the nut in pipe, so that the enlarged-diameter in pipe Expansion section and the main body between the seal compressed and sealed,
It is characterized in that,
The mechanical splice has:
Tooth, it is continuously provided in the circumferential direction of the main body, possesses what is be made of the face parallel with the central shaft of the main body Wall;And
Ring, it is affixed to the component of the nut, possesses compared with the circumferential direction of the nut towards the pawl of inner side extension.
2. mechanical splice according to claim 1, wherein,
The pawl is the multiple projections being integrally formed with the ring, and the direction of the pawl extension is included towards in the ring The component of mandrel and with direction that the circumferential angulation of the ring is more than 20 degree and less than 70 degree.
3. mechanical splice according to claim 2, wherein,
The ring is in the shape that a part for the cricoid part in the component for be formed as cricoid tabular is removed, With the ring fixed mechanism extended to the nut side, the ring fixed mechanism, which is fixed on the ring set in the nut, to be fixed Hole.
4. mechanical splice according to any one of claim 1 to 3, wherein,
The tooth is the protrusion that a part for the main body extends to the outside of the main body, and the wall is the protrusion Side.
5. mechanical splice according to any one of claim 1 to 3, wherein,
The tooth be be fixed on the component of tabular of the main body setting multiple through holes between part, the wall It is the medial surface of the through hole.
6. mechanical splice according to any one of claim 1 to 3, wherein,
The tooth is the protrusion extended from the component for the tabular for being fixed on the main body to the outside of the main body, and the wall is The side of the protrusion.
7. the mechanical splice according to claim 5 or 6, wherein,
The tooth has the tooth fixed mechanism extended to the main body side, and the tooth fixed mechanism is fixed in the outer of the main body The tooth mounting hole that side face is set.
8. mechanical splice according to any one of claim 1 to 7, wherein,
The main body is provided with transition part, and the transition part is on the direction of the central shaft along the main body with the trend master The outside diameter of the main body of body becomes larger.
9. mechanical splice according to any one of claim 1 to 8, wherein,
The main body possesses external screw thread in outer circumferential surface,
The nut possesses the internal thread being screwed into for the external screw thread in inner peripheral surface,
The seal is circumferentially arranged at the outer circumferential surface of the main body or the inner peripheral surface of the main body,
By by the pipe with the expansion section include at least the expansion section including part be configured at the nut Inner side in the state of the nut is screwed into the main body so that will be described close between the expansion section and the main body Seal compression and sealed,
The ring is affixed to the component of the inner side of the nut.
10. a kind of mechanical splice, has:
Main body;
Nut, it can be screwed into the main body;And
Seal, it is circumferentially arranged at the outer circumferential surface of the main body or the inner peripheral surface of the main body,
By being configured at by the part included at least including the expansion section in the pipe of the expansion section with enlarged-diameter The nut is screwed into the main body in the state of the inner side of the nut, so that between the expansion section and the main body The seal is compressed and is sealed,
It is characterized in that,
The mechanical splice also has:
Ring, it is the component for the outer circumferential surface for being circumferentially fixed on the main body, possesses the direction compared with the circumferential direction of the main body The pawl of outside extension;And
Tooth, it, which is continuously provided, in the inner peripheral surface of the nut, possesses what is be made of the face parallel with the central shaft of the nut Wall.
11. mechanical splice according to any one of claim 1 to 10, wherein,
The main body has tapered outer circumferential surfaces in outer circumferential surface,
The nut has the tapered inner circumferential surface facing with the tapered outer circumferential surfaces in inner peripheral surface,
The seal is embedded into the groove portion in the tapered outer circumferential surfaces setting of the main body.
12. a kind of mechanical splice, has:
Main body;
Nut, it can be screwed into the main body;And
Seal, it is circumferentially arranged at the outer circumferential surface of the main body or the inner peripheral surface of the main body,
By being configured at by the part included at least including the expansion section in the pipe of the expansion section with enlarged-diameter The nut is screwed into the main body in the state of the inner side of the nut, so that between the expansion section and the main body The seal is compressed and is sealed,
It is characterized in that,
The mechanical splice has:
Tooth, it is set along the circumferentially continuous of the main body, possesses what is be made of the face parallel with the central shaft of the main body Wall;And
Bent member, it is curved bar-shaped or banding component, is possessed:Part I, it passes through the week in the nut The mounting hole that side is set;Part II, it is connected with the end of the side in the Part I, in the outside of the nut Along the circumferentially extending of the nut;Part III, it is connected with the end of the opposing party in the Part I, in the spiral shell Circumferentially extending of female inner side along the nut;And Part IV, it is from same with described first in the Part III Partly interior lateral bend of the end on the opposite direction in the end of connection towards the nut.
13. mechanical splice according to claim 12, wherein,
The tooth is the protrusion extended from the component for the tabular for being fixed on the main body to the outside of the main body, and the wall is The side of the protrusion.
14. a kind of method for manufacturing mechanical splice, which is that the machinery any one of claim 1 to 11 connects Head, wherein,
The formation of the ring is carried out by using the cutting off processing and bending machining of mould.
15. a kind of method for manufacturing mechanical splice, which is the mechanical splice described in claim 4, wherein,
The formation of the tooth is carried out by using the rotary rolling mill of rolling die.
CN201680055348.8A 2015-09-24 2016-09-20 Mechanical splice and its manufacturing method Active CN108027093B (en)

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JP6724925B2 (en) 2020-07-15
CN108027093B (en) 2019-11-26
JPWO2017051803A1 (en) 2018-08-16

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