CN201015164Y

CN201015164Y - Wave pipe quick connecting structure

Info

Publication number: CN201015164Y
Application number: CNU2007200027349U
Authority: CN
Inventors: 邱德聪
Original assignee: AVC Industrial Corp
Current assignee: AVC Industrial Corp
Priority date: 2007-02-01
Filing date: 2007-02-01
Publication date: 2008-01-30
Anticipated expiration: 2017-02-01

Abstract

The utility model relates to a quick coupling of a wave tube, in particular to a wave tube quick coupling structure with good waterproofness for the direct inserting of the wave tube and comprises a body which can be positioned on a fixture, a packing nut and a clamping claw, for connecting the wave tube and the fixture; the utility model is characterized in that the clamping claw is clamped between the body and packing elements; a cutting groove is formed at the edge of the annular clamping claw, so that two opposite on off ends of the clamping claw are formed; a plurality of internal claws are formed at an end of the body relating to the clamping claw; a center extended clamping part is formed at the end of the each internal claw; an on-off lancing is formed at the two sides of the internal claw, so that the internal claw has the elastic reaction; the wave tube can passes through the clamping claw with the cutting groove by adopting the design, thus, the internal diameter can produce the adjustment tolerance and accordingly the wave tube can be inserted into the packing nut of the coupling structure through the outside directly; the wave tube cannot be returned out after the assembly by taking use of the location of the internal claws of the clamping claw, so that the assembly is easy.

Description

Quick coupling structure for wave pipe

Technical field

The utility model relates to the joining technique field of unrestrained pipe, particularly a kind ofly allows the clamp jaw internal diameter produce nargin and makes intubate directly by the quick coupling structure for wave pipe of outer insertion, uses making it can cooperate the wave pipe of various outer diameter.

Background technology

The wave pipe is a kind of hollow tube in order to the protection cable, to prevent that cable is because of infiltration, foreign matters such as worm ant and dust enter destruction, and bending and distortion in order to lay in response to cable, and increase the flexibility ratio and the retractility of unrestrained pipe, annular convex and annular recessed portion that wave pipe outer peripheral edges tool is provided with at interval, when cable need penetrate fixture, generally can utilize Joint for corrugated pipe to fix above-mentioned wave pipe, described wave pipe is taken over to remove and can be fixed the wave pipe, avoid outside it gets loose arbitrarily, and further has a waterproof, insect protected ant and dustproof effect, " cable protective tube and joint integrated structure " as No. the 295317th, TaiWan, China patent announcement, announce No. 511816 " the joint improvement of cable protective tube " and announce No. 449169 the preceding cases of patent such as " the snap joint structures of cable protective tube ", though and case can provide the effect of serial connection wave pipe with fixture before these patents, it still has different problems respectively;

Be example at first with No. 295317, its spacing member only is merely to utilize overhead kick to come the depressed part of buckle protection tube, there is no any effect of bringing together, therefore when it is subjected to external force and pulls, protection tube very easily gets loose, moreover its seal only is located at the contact-making surface of ring body and body, and it also can't provide waterproof, the effect of insect protected ant of effect, and the equipment of leading is because of making moist or the worm ant bites and damages;

Though No. 449169 case then can supply quick assembly and disassembly protection tube, its action is more uncertain, may get loose because of false touch, and it also can't effectively resist pullling of external force simultaneously, and structure is comparatively complicated;

Moreover be example with No. 511816 cases, its briquetting is that pivot is adorned separately, it can't be one-body molded, and need assemble, comparatively difficult in the reprocessing, moreover its action is more uncertain yet, may get loose because of false touch, it also can't effectively resist pullling of external force simultaneously, the more important thing is that it does not also have waterproof effect.

Via above-mentioned explanation as can be known, have Joint for corrugated pipe specifically open or that use now, owing to do not attain perfect in the design, and have the not good problem of grasp deficiency or water proofing property respectively or simultaneously, the puzzlement of dismounting inconvenience is more arranged simultaneously, so the utility model promptly is to develop a kind of quick coupling structure for wave pipe that addresses the above problem.

So, the inventor deeply inquires at the waterproof and the problem that gets loose that existing Joint for corrugated pipe is faced, and by being engaged in the development Experience of related industry for many years, actively seek the road that solves, through the research and development of long-term endeavour, success finally develop the good quick coupling structure for wave pipe of a kind of fast demountable and water proofing property and stationarity.

Summary of the invention

Therefore, the purpose of this utility model is to provide a kind of quick coupling structure for wave pipe, uses effective fastening wave pipe, and allows the wave pipe peg graft rapidly, avoids simultaneously pullling because of external force getting loose.

For this reason, the utility model mainly is to see through following technological means, come specific implementation projects of the present utility model and usefulness: described quick coupling structure is in order to a unrestrained pipe is arranged on the fixture, and it includes:

One body, its two ends are formed with one first thread segment and one second thread segment respectively, and first thread segment of described body can be established a locknut for lock, and second thread segment can cooperate a nut to be locked on the fixture;

One clamp jaw, it is a body in the form of a ring, described clamp jaw two ends can be pasted ora terminalis in the end face of above-mentioned body and locknut respectively, moreover the clamp jaw periphery is formed with the axially extended profile groove that runs through together, make clamp jaw can produce internal diameter and become big nargin, the clamp jaw periphery is formed with the flexible interior pawl of a plurality of tools again, moreover interior pawl ora terminalis is formed with a card division that protrudes out to the center, the end face of the corresponding locknut in described card division is formed with an oblique surface that contracts shape, and the end face of the corresponding body in card division is formed with the stop surface of a vertical again;

And it is concrete actual that the utility model further can utilize following technological means, such as:

It is can be arranged with a pad on second thread segment of body, with the lock of the promoting nut power of pulling.

It is to be formed with the clutch joint-cutting respectively in the interior pawl both sides that clamp folder, and pawl has elasticity in making.

It is to be provided with one to paste the waterproof bunching ring that supports clamp jaw in body first thread segment, the waterproof bunching ring is made by the soft waterproof material, and the waterproof bunching ring is formed with the protruding together edge that supports in the end of corresponding body inner edge, and its convexity supports the end that edge can be embedded in unrestrained pipe.

It is in clamp jaw week because of corresponding in each the pawl surface be formed with the caulking groove of recess, the waterproof bunching ring then is formed with corresponding embedding portion, but waterproof bunching ring and clamp jaw embedding are pulled together.

It is to be formed with inclined-plane in waterproof bunching ring inner edge, to promote the effect that it is close to unrestrained pipe.

It is to be formed with convex ring edge one in the interior inclined-plane of waterproof bunching ring, and described convex ring edge can correspondence be embedded on the unrestrained pipe, not only can increase its positioning action, and can promote its waterproof effect.

By this, see through representing of above-mentioned technological means, can allow the utility model obtain following concrete benefit and effect enhancement:

1, be easy to peg graft: clamp jaw periphery of the present utility model has a profile groove, makes the internal diameter of clamp jaw can produce nargin, so can overcome the problem that existing unrestrained pipe can't be assembled more greatly smoothly because of size, and unrestrained pipe can directly be inserted, and promotes the convenience that the wave pipe is pegged graft.

2, stationarity is good: the clamp jaw periphery of the utility model joint is formed with the flexible interior pawl of a plurality of tools, and interior pawl end also is formed with the card division that can embed wave pipe recess, moreover the side that the corresponding wave pipe in card division inserts is to be oblique surface, make unrestrained pipe be easy to insert, and the side that the corresponding unrestrained pipe in above-mentioned card division withdraws from is the stop surface that is vertical, unrestrained pipe can't directly be withdrawed from, and can significantly promote its stationarity, avoid unrestrained pipe to pull and get loose because of external force.

3, water proofing property is good: the utility model joint can cooperate a waterproof bunching ring, but utilize the particular design of interior inclined-plane with the convex ring edge of inlay card wave pipe recess of described waterproof bunching ring inner edge, and significantly increase its sealing area, to reach real waterproof, insect protected ant and dustproof effect.

Next cooperate graphic and figure number; lifting a preferred embodiment simultaneously is described further; yet the following stated is only for being used for explaining preferred embodiment of the present utility model; be not that attempt is done any pro forma restriction to the utility model according to this; be with; every under spirit of the present utility model, the modification or the change of any pattern of doing all must belong to the category that the utility model intention is protected.

Description of drawings

Fig. 1 is the perspective exploded view of the utility model snap joint, and it discloses the assembly and the relativeness thereof of each assembly of the utility model;

Fig. 2 is the local enlarged diagram of the clamp jaw of the utility model snap joint;

Fig. 3 is the clamp jaw sectional schematic diagram of the utility model snap joint;

Fig. 4 is the composition sectional schematic diagram of the utility model snap joint;

Fig. 5 is the perspective exploded view of another embodiment of the utility model snap joint, and it discloses assembly and the relativeness thereof of described embodiment;

Fig. 6 is the waterproof bunching ring sectional schematic diagram of another embodiment of the utility model snap joint;

Fig. 7 is the composition sectional schematic diagram of waterproof bunching ring, clamp jaw and the unrestrained pipe of another embodiment of the utility model snap joint;

Fig. 8 is the composition sectional schematic diagram of another embodiment of the utility model snap joint.

Description of reference numerals: 10 bodies; 11 first thread segments; 12 second larva of a tapeworm or the cercaria of a schistosome line sections; 13 locknuts; 15 locking nuts; 16 pads; 20 clamp jaws; 21 profile grooves; Pawl in 25; 250 card divisions; 251 oblique surfaces; 252 stop surfaces; 26 clutch joint-cuttings; 28 caulking grooves; 30 waterproof bunching rings; 31 embedding portions; Inclined-plane in 35; The 36 protruding edge that support; 37 convex ring edges; 50 wave pipes; 51 protuberances; 52 recesses.

Embodiment

The utility model is a kind of quick coupling structure that is used to connect wave pipe and fixture, as shown in Fig. 1, described snap joint includes a body 10, a locknut 13, a nut 15 and a clamp jaw 20, snap joint is in order to connect the wave pipe 50 of a plurality of protuberances 51 of a periphery tool and recess 52, for wave pipe lock is pulled on fixture, reaching the purpose of rapid assembling, and further can promote its waterproof, insect protected ant and dustproof effect;

And about detailed formation of the present utility model, then please referring to Fig. 1, Fig. 2, Fig. 3 and shown in Figure 4, hollow body 10 two ends of column are formed with one first thread segment 11 and one second thread segment 12 respectively, wherein first thread segment 11 can be established for above-mentioned locknut 13 locks, to cooperate above-mentioned clamp jaw 20 to lock the wave pipe 50 of pulling, second thread segment 12 of body 10 then cooperates nut 15 and pad 16 that the joint lock is pulled on fixture;

Above-mentioned clamp jaw 20 is bodies in the form of a ring, its two ends can be pasted ora terminalis in the end face of body 10 first thread segments 11 and locknut 13 respectively, moreover clamp jaw 20 peripheries are formed with the axially extended profile groove 21 that runs through together, make clamp jaw 20 can produce internal diameter and become big nargin, clamp jaw 20 peripheries are formed with the flexible interior pawl 25 of a plurality of tools again, pawl 25 both sides are formed with clutch joint-cutting 26 (as shown in Figure 2) respectively in each, an end of pawl 25 corresponding body 10 first thread segments 11 has elasticity in making, moreover interior pawl 25 ora terminalis are formed with a card division 250 that protrudes out to the center, described card division 250 can be embedded in the recess 52 of wave pipe 50, and the end face of interior pawl 25 card divisions 250 corresponding locknuts 13 is formed with an oblique surface 251 (as shown in Figure 3) that contracts shape, pawl 25 expands outwardly in can pushing open when allowing wave pipe 50 insert, directly quick 50 peg graft and be convenient to the wave pipe, and the locknut 13 that need not to outward winding, therefore product operation of the present utility model saves time and is very convenient.The end face of interior again pawl 25 card divisions 250 corresponding bodies 10 is formed with the stop surface 252 (as shown in Figure 3) of a vertical, when allowing wave pipe 50 outwards withdraw from, can be subjected to card division 250 backstops of pawls 25 in the clamp jaw 20, gets loose to avoid wave pipe 50 to pull because of external force;

By this, group constitutes the quick coupling structure for wave pipe that can peg graft rapidly and can't directly withdraw from.

See through above-mentioned design, when the utility model in practice, then be as shown in Fig. 1 and Fig. 4, at first second thread segment 12 with body 10 passes fixture, and utilize nut 15 and pad 16 that body 10 is clamped on the fixture, then clamp jaw 20 is placed in the locknut 13, and locknut 13 is locked on first thread segment 11 of body 10, so wave can be managed 50 directly inserts, even if wave pipe 50 is because of manufacturing size when big, the nargin that it also can utilize the profile groove 21 of clamp jaw 20 to be produced, and outwards enlarge the internal diameter of clamp jaw 20, increasing its scope of application, and when wave pipe 50 further pushes, can allow interior pawl 21 card divisions 250 of clamp jaw 20 cross over the protuberance 51 of wave pipe 50 one by one, and be embedded in the corresponding concave part 52, and reach the purpose of the assembling that is easy to peg graft, avoid its any slippage simultaneously, again locknut 13 is locked at last, and the stationarity of promoting wave pipe 50.

When disassembling, then be that locknut 13 is oppositely discharged, and after unloading locknut 13, clamp jaw 20 directly outwards pulled open by profile groove 21, make clamp jaw 20 utilize elasticity and change its internal diameter, and then unload wave pipe 50.

The utility model has an embodiment in addition again, it is as Fig. 5, Fig. 6, Fig. 7 and shown in Figure 8, be provided with a waterproof bunching ring 30 in body 10 first thread segments 11, waterproof bunching ring 30 is made by the soft waterproof material, described waterproof bunching ring 30 1 ends and can with clamp jaw 20 relative being embedded, wherein 20 weeks of clamp jaw because of corresponding in each pawl 21 surfaces be formed with the caulking groove 28 of recess, waterproof bunching ring 30 then is formed with corresponding embedding portion 31, but waterproof bunching ring 30 and clamp jaw 20 embeddings are pulled together, waterproof bunching ring 30 inner edges are formed with inclined-plane 35 in again, and waterproof bunching ring 30 is formed with the protruding together edge 36 that supports in the end of corresponding body 10 inner edge, its convexity can be embedded in the end recess 52 of wave pipe 50 to edge 36, moreover the interior inclined-plane 35 of waterproof bunching ring 30 is formed with convex ring edge 37 one, described convex ring edge 37 can correspondingly embed in the corresponding recess 52 of wave pipe 50, not only its positioning action can be increased, and its waterproof effect can be promoted;

So, the grafting of the joint of above-mentioned described embodiment and the mode that unloads wave pipe 50 and preceding identical, and has identical effect, see through interior inclined-plane 35 designs of waterproof bunching ring 30 what is more, make its can with wave manage 50 more shape fit tightly, simultaneously by the cooperating of convex ring edge 37 and recess 52, and can significantly promote its waterproof, insect protected ant and dustproof effect.

Claims

1. quick coupling structure for wave pipe, described quick coupling structure are in order to a unrestrained pipe being arranged on the fixture, it is characterized in that, include:

-body, its two ends are formed with first thread segment of establishing a locknut for lock respectively and cooperate a nut to be locked on second thread segment on the fixture with one;

-clamp jaw, it is a body in the form of a ring, ora terminalis in the end face of above-mentioned body and locknut is pasted at described clamp jaw two ends respectively, the clamp jaw periphery is formed with the axially extended together profile groove that runs through that makes clamp jaw can produce the big nargin of internal diameter change, the clamp jaw periphery is formed with the flexible interior pawl of a plurality of tools again, interior pawl ora terminalis is formed with a card division that protrudes out to the center, the end face of the corresponding locknut in described card division is formed with an oblique surface that contracts shape, and the end face of the corresponding body in card division is formed with the stop surface of a vertical again.

2. quick coupling structure for wave pipe as claimed in claim 1 is characterized in that, is arranged with one on second thread segment of body and promotes the pad that nut is locked the power of pulling.

3. quick coupling structure for wave pipe as claimed in claim 1 is characterized in that, pawl rubber-like clutch joint-cutting in the interior pawl both sides of clamp jaw are formed with respectively and make.

4. quick coupling structure for wave pipe as claimed in claim 1, it is characterized in that, further be provided with one in body first thread segment and paste the waterproof bunching ring that supports clamp jaw, the waterproof bunching ring is made by the soft waterproof material, and the waterproof bunching ring is formed with the protruding together edge that supports in the end of corresponding body inner edge, and its convexity supports the end that edge is embedded in unrestrained pipe.

5. quick coupling structure for wave pipe as claimed in claim 4 is characterized in that, clamp jaw week because of corresponding in each the pawl surface be formed with the caulking groove of recess, the waterproof bunching ring then is formed with corresponding embedding portion, waterproof bunching ring and clamp jaw embedding are pulled together.

6. as claim 4 or 5 described quick coupling structure for wave pipe, it is characterized in that waterproof bunching ring inner edge is formed with one and promotes the interior inclined-plane that it is close to wave pipe effect.

7. quick coupling structure for wave pipe as claimed in claim 6 is characterized in that, the interior inclined-plane of waterproof bunching ring is formed with one correspondence and is embedded convex ring edge on the unrestrained pipe.