CN1309989C - Fastenings structure of match tubes - Google Patents
Fastenings structure of match tubes Download PDFInfo
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- CN1309989C CN1309989C CNB2004100638875A CN200410063887A CN1309989C CN 1309989 C CN1309989 C CN 1309989C CN B2004100638875 A CNB2004100638875 A CN B2004100638875A CN 200410063887 A CN200410063887 A CN 200410063887A CN 1309989 C CN1309989 C CN 1309989C
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Abstract
The object of invention is to provide a pipe connection part structure having simple construction permitting easy connection of pipes while increasing the allowable frequency of attachment/detachment of connection ports thereof. A coupler 10 has a first locking pawl 13 and a second locking pawl 14 protruded obliquely to the axial inside of the coupler 10 at mutually opposite sides. When one of the connection ports 3, 4 of the pipes 1, 2 is inserted into the coupler 10, the first or second locking pawl 13 or 14 is thrust and deformed in the direction of the outer periphery of the coupler 10 by locked portion 5 or 8, and when the insertion is completed, the first or second locking pawl 13 or 14 is released from the thrust of the locked portion 5 or 8 and reset into the original condition. Then, the first or second locking pawl 13 or 14 engages with the locked portion 5 or 8 to prevent the come-off of the male side connection port 3 from the female side connection port 4.
Description
Technical field
The link of the interface of machine that the water, oil, gas body etc. of pressurization flows etc. and the pipe arrangement that is attached thereto etc. or the fastenings structure of match tubes of pipe arrangement link slippage are to each other arranged in the present invention relates to prevent.
Background technique
As the structure of existing connecting pipings interface, known have without screw and nut, and just by its interface is inserted, make it to realize that single touch-type (portable type) connects, and make link keep the portable type joint of sealing.This structure is used for various fields, also is used to make simultaneously the coolant circuit pipe arrangement interface of motorcar air conditioner.
The pipe arrangement great majority of auto air-con use rubber hose (interface is fabricated metals) and aluminium or copper product.Above-mentioned portable type joint is used for the aluminum pipe of above-mentioned various pipe arrangements, and its concrete purposes has structural member such as the vaporizer of air conditioner and liquid tank and connects interface such as each other pipe arrangement and pipe arrangement interface to each other etc. to be located.
As the structure of this portable type joint, for example on the books in the open 2002-115790 communique of Japan's patent application.Fig. 9 is the exploded view of the attachment portion structure of this portable type joint of expression, and Figure 10 is the enlarged view of this attachment portion.
The pipeline 50 of one side is provided with inner joint 51, in root one side of this inner joint 51 retainer 52 has been installed.In these retainer 52 internal configurations annular spring 53.In addition, on the pipeline 54 of opposite side, be provided with external tapping 55, form loudspeaker limit 58 in the end of this external tapping 55.
Form O annular groove 56a, 56b at inner joint 51 and external tapping 55 telescoping parts, O type ring 57a, 57b have been installed in this groove.And on retainer 52, fastening indicator ring 59.This indicator ring 59 has the effect of confirming whether each interface 51,55 has connected.
The action of each parts when being enclosed within external tapping 55 on the outer round surface of inner joint 51 is described below with reference to Figure 10.Among Figure 10, along with moving of annular spring 53 and loudspeaker limit 58, the position before the locking is marked with label 53a, 58a, the position in the locking process is marked with label 53b, 58b, the position after the locking is marked with label 53c, 58c.
Insert among the retainers 52 on a loudspeaker limit 58 that forms in the end of external tapping, the loudspeaker limit 58a that represents with notional line promptly with spring 53a butt.And before butt retainer 52, pushing loudspeaker limit 58a, the loudspeaker limit 58b that indicates with notional line promptly pushes whole spring 53b towards pipeline 50 lateral direction equally.And spring 53b crosses the top of loudspeaker limit 58b, and the spring 53c that indicates with solid line promptly is between the end 52a of loudspeaker limit 58c and retainer 52.By above-mentioned action, loudspeaker limit 58 is promptly locked by spring 53, forms each interface 51,55 lock state.In addition, by O type ring 57a, 57b, link is hermetically sealed.
Yet, need be riveted to retainer 52 on the inner joint 51 owing to have the portable type joint of above-mentioned formation, thereby make its structure complicated.In addition, an end is riveted 3 retainer 52 and can't be taken off.Also have, the portable type joint of this structure, number of spare parts is a lot, and because the component materials difference is also pretty troublesome in the management.
Especially on holder 52, have the dimensions required precision, but owing to, need very high manufacturing technology, thereby make holding at high price of portable type joint for aluminium is carried out the bending manufacturing to locking with spring 53.
In addition, in said structure, dismounting interface 51,55 o'clock, spring 53 need slide with respect to holder 52 and loudspeaker limit 58 bearing under the condition of certain force.Thereby tend to produce wearing and tearing at this sliding position, be difficult to increase dismounting and allow number of times.
Also have, because spring 53 is stainless steel goods, holder 52, the loudspeaker limit 58 of contact then are aluminium product when being connected with this spring 53, thereby can be in the potential difference that produces on these metals between dissimilar metal.Therefore, problem aspect this corrosion resistance of pit corrosion appears again producing when adopting above-mentioned formation.
Summary of the invention
The present invention puts forward in view of above reality just, its purpose is, provide a kind of available and above-mentioned portable type joint the same simple connecting pipeline of operational method, and can increase the dismounting permission number of times of each interface, the fastenings structure of match tubes that simultaneously available simple structure constitutes.
Fastenings structure of match tubes of the present invention, on the pipeline of a side, inner joint is set, the external tapping that can be connected with above-mentioned inner joint is set on the pipeline of opposite side simultaneously, prevent above-mentioned connection mouth slippage, in a circumferential direction at the pipeline 1 of an above-mentioned side and opposite side, the sticking department that 2 each self-forming periphery are outwards outstanding, the link of internal diameter greater than the sticking department external diameter is set, on the inner headed face of this link, form the 1st sealed claw and the 2nd sealed claw simultaneously, the 1st sealed claw and the 2nd sealed claw are oblique outstanding towards tossing about of the axial direction of above-mentioned link respectively, when the interface of the pipeline of an above-mentioned side or opposite side is inserted above-mentioned link, the the above-mentioned the 1st or the 2nd sealed claw limit is out of shape the limit insertion at sticking department separately under the extruding of the outer circular direction of above-mentioned link, when finishing to insert, the the 1st or the 2nd sealed claw is respectively from the extruding of separately sticking department liberation and restoring to the original state down, the the above-mentioned the 1st or the 2nd sealed claw and above-mentioned separately sticking department are sealed, prevent inner joint and external tapping slippage.
In addition, be configured on the end face of this pipeline, form the sticking department of above-mentioned opposite side pipeline, the sticking department of above-mentioned opposite side pipeline is connected on the sticking department that forms on the above-mentioned lateral line.
Also have, be provided with the affirmation hole that extends through this link internal circular surfaces from the outer round surface of above-mentioned link, can confirm that the hole discerns the locked state of above-mentioned sticking department from this.
Also have in addition, on the axial direction of above-mentioned link, dispose the above-mentioned the 1st sealed claw and the above-mentioned the 2nd sealed claw every certain intervals, simultaneously for making the configuration that misplaces that on the circumferencial direction of above-mentioned link, do not take place to overlap of the above-mentioned the 1st sealed claw and the above-mentioned the 2nd sealed claw, and with the integrally formed above-mentioned link of resin material.
Be provided with the sticking department external diameter that has greater than above-mentioned pipeline, and cartridge less than the outer shape of above-mentioned coupling piece internal diameter, this cartridge separately can be formed along axis, install under the state of above-mentioned cartridge in mode with the periphery that covers above-mentioned pipeline, by above-mentioned cartridge is slided along the axial direction of above-mentioned pipeline, insert between above-mentioned link and the above-mentioned pipeline, above-mentioned cartridge is by making the outer circular direction distortion of above-mentioned sealed claw towards above-mentioned link, remove the sealed of above-mentioned sticking department and above-mentioned sealed claw, can from above-mentioned link, extract above-mentioned pipeline.
If adopt the present invention, when connecting two pipelines,, also can lock the 2nd claw from the link slippage simultaneously for the pipeline that does not make opposite side for the pipeline that does not make a side locks the 1st claw from the link slippage by means of link.Also can insert link to the pipeline of a side or opposite side convenient and simply.So, the operator needn't carry out operations such as bolt around coupling, just can finish the connection operation of pipeline rapidly.In addition because when the pipeline to a side or opposite side applied from active force that link is extracted outward, each sealed claw was in the state that is locked on the sticking department, thereby can effectively prevent the pipeline slippage.
In addition, owing on the end face of this pipeline, form the sticking department of above-mentioned opposite side pipeline, the sticking department of above-mentioned opposite side pipeline is connected on the sticking department that forms on the above-mentioned lateral line, thereby when inner joint that connects each pipeline and external tapping, can be with each pipeline with respect to its axial direction location.So, the operator has made it embedding just as long as the sticking department of the pipeline of opposite side is abutted on the sticking department of pipeline of a side.
Also have, owing to be provided with the affirmation hole that extends through this link internal circular surfaces from the outer round surface of above-mentioned link, can confirm that the hole discerns the locked state of above-mentioned sticking department from this, thereby can with the naked eye directly confirm the sealed whether abundant of each sealed claw and sticking department.Can improve the reliability of link like this.
Owing on the axial direction of above-mentioned link, dispose the above-mentioned the 1st sealed claw and the above-mentioned the 2nd sealed claw every certain intervals, simultaneously for making the above-mentioned the 1st sealed claw and the above-mentioned the 2nd sealed claw that the configuration that misplaces that overlaps not take place on the circumferencial direction of above-mentioned link, and with the integrally formed above-mentioned link of resin material, therefore with the integrally formed resin link of mould the time, stripping direction is set at the axial direction of connector housing, mould can be shaped in two.Particularly, the 1st sealed claw that locks the pipeline of a side can be with the die forming that is arranged on pipeline one side that can insert opposite side, and the 2nd claw of locking opposite side pipeline is then with being arranged on the die forming that can insert a lateral line one side.In addition, owing to use the ester moulding link, thereby can set De Genggao to the dimensional accuracy of each several parts such as sealed claw.Also have, because the wearing and tearing that metal slip to each other produces can suppress connecting pipeline the time, thereby can be allowing dismounting number of times limit set greatlyyer.
In addition, because resin can not produce the degeneration of getting rusty and causing, thereby can improve the reliability of link.In addition, owing to can determine the oblique outstanding angle of sealed claw flexibly, thereby can make the further miniaturization of shape of connector.Also have in addition, compare with used portable type joint, its number of spare parts reduces to some extent, thereby can cut down and manage man-hour.In addition, owing to adopt ester moulding, thereby can realize lightweight.
In addition, owing to be provided with the sticking department external diameter that has greater than above-mentioned pipeline, and cartridge less than the outer shape of above-mentioned link internal diameter, this cartridge separately can be formed along axis, install under the state of above-mentioned tubular spare in mode with the outer round surface that covers above-mentioned pipeline, by above-mentioned cartridge is slided along the axial direction of above-mentioned pipeline, insert between above-mentioned link and the above-mentioned pipeline, above-mentioned cartridge is by making the outer circular direction distortion of above-mentioned sealed claw towards above-mentioned link, remove the sealed of above-mentioned sticking department and above-mentioned sealed claw, can from above-mentioned link, extract above-mentioned pipeline, thereby be easy to carry out the interface disassembling section of each pipeline.
Description of drawings
Fig. 1 is the pipe connecting structure that preferred forms of the present invention relates to, and is the sectional view that has connected a lateral line and opposite side pipeline.
Fig. 2 is the pipe connecting structure that preferred forms of the present invention relates to, and is the side view when whole from external tapping unilateral observation link.
Fig. 3 is the pipe connecting structure that preferred forms of the present invention relates to, and is the X-X line side cross sectional view along Fig. 2.
Fig. 4 is the pipe connecting structure that preferred forms of the present invention relates to, and is the Y-Y line side cross sectional view along Fig. 2.
Fig. 5 is the pipe connecting structure that preferred forms of the present invention relates to, and is the Z-Z line side cross sectional view along Fig. 2.
Fig. 6 is the pipe connecting structure that preferred forms of the present invention relates to, but is the sectional view of indicator of the locked state of identification lock bonding part and sealed claw.Fig. 6 (a) is sticking department and the sealed claw state before sealed, and Fig. 6 (b) is the state after sealed.
Fig. 7 is the pipe connecting structure that preferred forms of the present invention relates to, and Fig. 7 (a) is the schematic representation of pipeline clamper for disassembling, the side view of the state when Fig. 7 (b) uses pipeline clamper for disassembling detaching pipelines for expression.
Fig. 8 is the pipe connecting structure that another embodiment of the invention relates to, but is the sectional view of indicator of the locked state of identification lock bonding part and sealed claw.Fig. 8 (a) is sticking department and the sealed claw state before sealed, and Fig. 8 (b) is sticking department and the sealed claw state after sealed, and Fig. 8 (c) is sealed inadequate state.
Fig. 9 is the perspective exploded view of the portable type joint that uses on the pipeline of existing auto air-con.
Figure 10 is the linkage structure of existing portable type joint, is the amplification view of the portable type joint of presentation graphs 8 link when being in coupled condition.
Embodiment
Below with reference to Fig. 1 to Fig. 7, describe the mode that is used to implement fastenings structure of match tubes of the present invention in detail.
Fig. 1 illustrates the section of the pipe connecting structure of embodiments of the present invention.Be respectively equipped with inner joint 3 and external tapping 4 on the end in being connected of the pipeline 2 that connects pipeline 1 of a side (below be referred to as pipeline 1) and opposite side (below be referred to as pipeline 2).Above-mentioned pipeline 1,2 all uses section to be circle, has the aluminum pipe of same inner diameter.
Be provided with the sticking department 5 that forms continuously along the circumferencial direction of this pipeline 1 at an end of pipeline 1, this sticking department 5 is given prominence to along being formed from the outer round surface of pipeline 1 after its axial direction crushes the part of aluminum pipe towards the lateral direction of radius.This sticking department 5 has a face vertical with the axial direction of pipeline 1, forms inner side surface 5b in the termination of sticking department 5 side, forms outer side surface 5a in a side opposite with this inner side surface 5b.Part from this sticking department 5 to pipeline 1 termination constitutes the chimeric inner joint 3 of internal circular surfaces with pipeline 2.
And on the outer round surface of inner joint 3, being provided with two O shape annular grooves 6, O shape ring 7 is installed in respectively among this groove 6.
Be provided with the loudspeaker limit 8 (sticking department) that along the circumferential direction forms continuously on the end of connecting end one side of pipeline 2, utilize this loudspeaker limit 8, the end portion that pipeline 2 is connected presents the shape of flange plate.This loudspeaker limit 8 is identical with sticking department 5, all outstanding towards the radius lateral direction from the outer round surface of pipeline 2, there is a face that is approximately perpendicular to the axis of pipeline 2 on this loudspeaker limit 8, forms inner side surface 8b in the termination on loudspeaker limit 8 side, forms outer side surface 8a in an opposite side with this inner side surface 8b.In addition, the internal diameter of the termination of pipeline 2 is reached the outside dimension of inner joint 3 by expansion, so that inner joint 3 can insert the inboard of pipeline 2, the part that this expansion is stretched promptly constitutes the external tapping 4 chimeric with the periphery of inner joint 3.
When pipeline 1 was inserted pipeline 2, the inner side surface 5b of sticking department 5 and the inner side surface 8b on loudspeaker limit 8 were against each other.In addition, O shape ring 7 contacts with the internal circular surfaces of external tapping 4 and seals, to prevent that the interior liquid of pipeline 1,2 is from inner side surface 5b separately, the clearance leakage of 8b butt.
The excircle part on sticking department 5 and loudspeaker limit 8 is provided with columnar link 10, and the internal diameter size of this link 10 is greater than the external diameter on sticking department 5 and loudspeaker limit 8.The material of this link 10 can use thermoplastic resin, such as polystyrene, polyethylene-based, propylene system, nylon system, cellulose etc., or PP, PA, PC, PU, PPS etc.In order in anticracking, to improve its resistance to heat, also can in above-mentioned material, add glass material.
Fig. 2 be from external tapping 4 unilateral observations to the figure of link 10.Three of each self-formings keep projection the 12, the 1st sealed claw 13 and the 2nd sealed claw 14 on the inner headed face 11 of link 10.For fear of the overlapping along the circumferential direction of above-mentioned maintenance projection 12 and sealed claw 13,14, every 120 ° of dislocation configurations at inner headed face 11.The mould of link 10 of being used for being shaped is set at and can extracts towards both sides from the axial direction of this link 10, so, and can be keeping projection 12 and sealed claw 13,14 and link integrally formed.
Keep projection 12 as shown in Figure 3, one pipeline 1 insertion link 10 (or link 10 embedding pipelines 1), promptly form the sticking department 5 and this maintenance projections state of pipeline 1.On this keeps on projection 12 part with sticking department 5 butts, form the breach 12a that coincide with the shape of sticking department 5, utilize this breach 12a, can determine the position of the radial direction of link 10.
The 1st sealed claw 13 as Fig. 1 and shown in Figure 4, presents from an end 15a of the axial direction of the inner headed face 11 of link 10, towards the inboard oblique outstanding state of the axial direction of link 10.The 1st sealed claw 13 has elasticity, when pipeline 1 when an end 15a one side of link 10 is inserted, the 1st sealed claw 13 is subjected to the extruding of sticking department 5 towards the radius lateral direction, simultaneously towards this direction of extrusion deflection.In case pipeline 1 inserts the termination of link 10, the 1 sealed claws 13 fully and promptly returns to original state from deflected, the outer side surface 5a locking with sticking department 5 can't be extracted pipeline 1 from link 10.
The 2nd sealed claw 14 is as Fig. 1 and shown in Figure 5, presents the inboard oblique outstanding state from the other end 15b of the axial direction of the inner headed face 11 of link 10 towards the axial direction of link 10.The 2nd sealed claw 14 is the same with the 1st sealed claw, has elasticity, when pipeline 2 when an end 15b one side of link 10 is inserted, the 2nd sealed claw 14 is being subjected to the extruding of loudspeaker limit 8 towards the radius lateral direction, simultaneously towards this direction of extrusion deflection.In case pipeline 2 inserts the termination of link 10, the 2 sealed claws 14 fully and promptly returns to original state from deflected, the outer side surface 8b on locking loudspeaker limit 8 can't extract pipeline 2 from link 10.
Introduce the pipe arrangement confirming electrical connection status structure that is arranged on the link 10 below.Fig. 6 (a) is illustrated in link 10 has been installed on the pipeline 1, is about to pipeline 2 is connected preceding state with pipeline 1, and Fig. 6 (b) then illustrates the state after pipeline 1,2 connects fully.
On link 10, be provided with indicator 17, this indicator 17 has not set maintenance projection 12 along the circumferencial direction of link 10 with not overlapping mutually, and sealed claw 13,14.This indicator 17 and the 2nd sealed claw be the axial direction from the other end 15b one side of the inner headed face 11 of link 10 towards link 10 inboard oblique outstanding equally, and have elasticity.When pipeline 2 inserted link 10, towards the extruding of radius lateral direction, the while was towards this direction of extrusion deflection by the top 8c on loudspeaker limit 8 in the termination of this indicator 17.
In addition, the termination of this indicator 17 is provided with towards the outstanding affirmation projection 17a of the radius lateral direction of link 10.In addition, on link 10, also be provided with the affirmation hole 16 that extends through its internal circular surfaces from its outer round surface, will confirm that hole 16 detects by an unaided eye from this and confirm the position of projection 17a.
Confirm that projection 17a is not subjected to being set at not side-prominent from the periphery of link 10 outwardly under the top 8c squeezed state (with reference to Fig. 6 (a)) at indicator 17.And be subjected at indicator 17 under the state (with reference to Fig. 6 (b)) of top 8c extruding, be set at and confirm that projection 17a is outstanding towards the outside of the periphery that is higher than link 10 by confirming hole 16.Therefore, confirm that by with the naked eye confirming to have or not projection 17a is outstanding, can discern the coupled condition of pipeline 1,2.
Introduce the pipeline clamper for disassembling 18 (cartridge) and the method for dismounting of detaching pipelines 1,2 from the link 10 below.
Fig. 7 (a) illustrates the overall perspective of pipeline clamper for disassembling 18.Clamper for disassembling 18 is by having the external diameter of external diameter greater than the sticking department 5,8 of pipeline 1,2, and forms along two semicylindrical members that axis is divided into two halves less than the drum of the outer shape of the internal diameter of link 10.On these two semicylindrical members, pair of end portions 18a respect to one another, 18b are provided with the running shaft 19 that extends along the axial direction of above-mentioned circle tube member when synthesizing cylindrical shape.This pipeline clamper for disassembling 18 can be changed into another separated position that end is opened (state of Fig. 7 (a)) by cylindrical shape by being that the center makes the semicylindrical member rotation with running shaft 19.And the inboard shape of pipeline clamper for disassembling 18 is rendered as the outer shape greater than pipeline 1,2.
Fig. 7 (b) illustrates a pipeline clamper for disassembling 18 and inserts link 10 inside, makes the 1st sealed claw 13 and sticking department 5 remove sealed state.
After pipeline clamper for disassembling 18 is changed into above-mentioned segmented shape, cover on the periphery of pipeline 1 (or pipeline 2) and install.Make after the axis basically identical of drum of the axis of pipeline 1 and pipeline clamper for disassembling 18, pipeline clamper for disassembling 18 is inserted between links 10 and the pipeline 1 (state of Fig. 7 (b)).At this moment, pipeline clamper for disassembling 18 makes the 1st sealed claw 13 can remove sealed with sticking department 5 after the radius lateral direction deflection of link 10.So, can from pipeline 2, extract pipeline 1, and then disassemble from link 10.
Among the pipe connecting structure that embodiments of the present invention relate to, when utilizing link to connect two pipelines, the 1st lock dog 13 lockables are extracted from link 10 to avoid pipeline 1, same the 2nd sealed claw 14 simultaneously is lockable also, extracts from link 10 to avoid pipeline 2.Also can insert link 10 to the pipeline 1,2 of a side or opposite side convenient and simply.So, the operator needn't carry out operations such as bolt around link 10, just can finish the connection operation of pipeline 1,2 rapidly.
In addition, because can be in the inner joint 3 that connects each pipeline 1,2 location during with external tapping 4, thereby the operator have made it embedding as long as the loudspeaker limit 8 of pipeline 2 is abutted on the sticking department 5 of pipeline 1.
In addition, can with the naked eye confirm the sealed whether abundant of each sealed claw 14 and loudspeaker limit 8.Especially, because above-mentioned affirmation projection 17a is outstanding from the periphery of link 10, not only can whether give prominence to the coupled condition that to discern pipeline 1,2 from far away slightly laterally also can confirming from confirming the top in hole 16.
When with the integrally formed resin of mould link 10,, can be shaped mould in two by stripping direction being set at the axial direction of the cavity of link 10.Particularly, available the 1st sealed claw 13 that pipeline 2 inserts the die forming locking pipeline 1 of a side, available the 2nd sealed claw 14 that is arranged on the die forming locking pipeline 2 of pipeline 1 insertion one side of being arranged on.In addition, because with ester moulding link 10, thereby can set the dimensional accuracy that sealed claw 13,14 etc. is located very highly.Also have, compare, can suppress wearing and tearing, thereby can allow dismounting the limit of number of times to set greatlyyer with being connected the various metals slip to each other in 1,2 o'clock of each pipeline.Also have in addition,, thereby can improve reliability because resin can not produce the degeneration of getting rusty and causing.
Introduced embodiments of the present invention above, but the present invention is not subjected to the restriction of above-mentioned mode of execution, can carries out all distortion and change according to technological thought of the present invention.
For example, link 10 is set at resin makes in the present embodiment, but also can make, also can make the back dress to the sealed claw 13,14 that uses elastic material separately and organize on the link 10 of steel.In the case, sealed claw 13,14 and maintenance projection 12 needn't set along the interior circular direction dislocation of link 10, and also can overlap in a circumferential direction sets.
In addition, in the present embodiment, sticking department 5 and loudspeaker limit 8 are set at the face butt with separately, but as long as can lock sealed claw 13,14, avoid pipeline 1,2 to extract, and the two also can butt, are configured to more flexibly on the position.
Also have, in the present embodiment, the section shape of pipeline 1,2 and link 10 is set at circle, but also can be square or other shape.
Also have, in the present embodiment, be provided with and be used for confirming the indicator 17 that connects, but as shown in the example that Fig. 8 (a)～Fig. 8 (c) is lifted, the also available the 2nd sealed claw 14 is confirmed.Can on the termination of the 2nd sealed claw 14, be provided with towards the outstanding affirmation projection 14a of the radius lateral direction of link 10.When coupled condition is abundant, shown in Fig. 8 (b), confirm that projection will be outwards not outstanding from the periphery of link 10, when coupled condition is insufficient, the 2nd sealed claw 14 is subjected to the extruding of the head 8c on loudspeaker limit 8 towards the radius lateral direction, confirms that projection 14a will be side-prominent from the periphery of link 10 outwardly.
Also have in addition, in the present embodiment, be set at the coupled condition that to confirm pipeline 2 and link 10 by the state of confirming indicator 17.But also available same technology setting can be confirmed the indicator 17 of the coupled condition of pipeline 1 and link 10.
Claims (5)
1. a fastenings structure of match tubes is provided with inner joint (3) on the pipeline (1) of a side, goes up the external tapping (4) that setting can be connected with above-mentioned inner joint at the pipeline (2) of opposite side simultaneously, prevents above-mentioned connection mouth (3,4) slippage, it is characterized in that:
In a circumferential direction at the pipeline (1 of an above-mentioned side and opposite side, 2) each self-forming is from the outwards outstanding sticking department (5 of periphery, 8), the link (10) of internal diameter greater than the sticking department external diameter is set, on the inner headed face of this link, form the 1st sealed claw (13) and the 2nd sealed claw (14) simultaneously, the 1st sealed claw and the 2nd sealed claw are oblique outstanding towards tossing about of the axial direction of above-mentioned link (10) respectively, when the interface (3 of the pipeline of an above-mentioned side or opposite side, when 4) inserting above-mentioned link, the the above-mentioned the 1st or the 2nd sealed claw (13,14) limit is by means of separately sticking department (5,8) insert on the distortion limit down towards the extruding of the outer circular direction of above-mentioned link, when finishing to insert, the the 1st or the 2nd sealed claw (13,14) respectively from separately sticking department (5,8) extruding is liberation and reinstatement down, the the above-mentioned the 1st or the 2nd sealed claw (13,14) with above-mentioned sticking department (5 separately, 8) sealed, prevent inner joint (3) and external tapping (4) slippage.
2. fastenings structure of match tubes according to claim 1 is characterized in that:
On the end face of this pipeline, form the sticking department of above-mentioned opposite side pipeline, the sticking department of above-mentioned opposite side pipeline is connected on the sticking department that forms on the above-mentioned lateral line.
3. fastenings structure of match tubes according to claim 1 and 2 is characterized in that: be provided with the affirmation hole that extends through this link internal circular surfaces from the outer round surface of above-mentioned link, can confirm that the hole discerns the locked state of above-mentioned sticking department from this.
4. fastenings structure of match tubes according to claim 1 and 2 is characterized in that:
On the axial direction of above-mentioned link, dispose the above-mentioned the 1st sealed claw and the above-mentioned the 2nd sealed claw every certain intervals, simultaneously for making the configuration that misplaces that on the circumferencial direction of above-mentioned link, do not take place to overlap of the above-mentioned the 1st sealed claw and the above-mentioned the 2nd sealed claw, and with the integrally formed above-mentioned link of resin material.
5. fastenings structure of match tubes according to claim 1 and 2 is characterized in that:
Be provided with the sticking department external diameter that has greater than above-mentioned pipeline, and cartridge less than the outer shape of above-mentioned link internal diameter, this cartridge separately can be formed along axis, install under the state of above-mentioned cartridge in mode with the outer round surface that covers above-mentioned pipeline, by above-mentioned cartridge is slided along the axial direction of above-mentioned pipeline, insert between above-mentioned link and the above-mentioned pipeline, above-mentioned cartridge is by making the outer circular direction distortion of above-mentioned sealed claw towards above-mentioned link, remove the sealed of above-mentioned sticking department and above-mentioned sealed claw, can from above-mentioned link, extract above-mentioned pipeline.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP413034/2003 | 2003-12-11 | ||
| JP2003413034A JP2005172131A (en) | 2003-12-11 | 2003-12-11 | Pipe connection part structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1626868A CN1626868A (en) | 2005-06-15 |
| CN1309989C true CN1309989C (en) | 2007-04-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100638875A Expired - Fee Related CN1309989C (en) | 2003-12-11 | 2004-07-14 | Fastenings structure of match tubes |
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| Country | Link |
|---|---|
| JP (1) | JP2005172131A (en) |
| CN (1) | CN1309989C (en) |
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| US7552948B2 (en) * | 2006-03-29 | 2009-06-30 | Tokai Rubber Industries, Ltd. | Quick connector |
| JP5065842B2 (en) * | 2007-10-10 | 2012-11-07 | 株式会社クボタ | Pipe joint structure |
| JP2009123575A (en) * | 2007-11-16 | 2009-06-04 | Toshiba Corp | Coupler for fuel cell, and fuel cell |
| CN101275698B (en) * | 2008-04-29 | 2010-06-02 | 谢红 | Pipe connector |
| JP5069609B2 (en) * | 2008-05-29 | 2012-11-07 | 大阪瓦斯株式会社 | Incorrect connection prevention device |
| JP5219848B2 (en) * | 2009-01-15 | 2013-06-26 | リンナイ株式会社 | Plug unit |
| CN110854758B (en) * | 2019-11-25 | 2021-06-15 | 中航光电科技股份有限公司 | Split type wire clamping structure |
| CN114100345B (en) * | 2021-10-25 | 2024-05-31 | 呼伦贝尔安泰热电有限责任公司汇流河发电厂 | Lime hydrate bin discharging device of boiler desulfurization system |
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|---|---|---|---|---|
| CN1111737A (en) * | 1994-01-26 | 1995-11-15 | 卡劳公司 | Quick connection |
| CN1157890A (en) * | 1995-12-27 | 1997-08-27 | 法斯泰斯特公司 | Quick connect coupler |
| US5692784A (en) * | 1995-06-02 | 1997-12-02 | Kabushiki Kaisha Nihon Pisco | Tubing joint |
| JP2002115790A (en) * | 2000-10-06 | 2002-04-19 | Ootsuka:Kk | Connection part structure of quick disconnect coupling |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001108176A (en) * | 1999-08-04 | 2001-04-20 | Nifco Inc | Connector for connecting pipes |
-
2003
- 2003-12-11 JP JP2003413034A patent/JP2005172131A/en active Pending
-
2004
- 2004-07-14 CN CNB2004100638875A patent/CN1309989C/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1111737A (en) * | 1994-01-26 | 1995-11-15 | 卡劳公司 | Quick connection |
| US5692784A (en) * | 1995-06-02 | 1997-12-02 | Kabushiki Kaisha Nihon Pisco | Tubing joint |
| CN1157890A (en) * | 1995-12-27 | 1997-08-27 | 法斯泰斯特公司 | Quick connect coupler |
| JP2002115790A (en) * | 2000-10-06 | 2002-04-19 | Ootsuka:Kk | Connection part structure of quick disconnect coupling |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1626868A (en) | 2005-06-15 |
| JP2005172131A (en) | 2005-06-30 |
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