CN201202919Y

CN201202919Y - Pipe connector

Info

Publication number: CN201202919Y
Application number: CNU2008200863735U
Authority: CN
Inventors: 赵海华
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-04-29
Filing date: 2008-04-29
Publication date: 2009-03-04
Anticipated expiration: 2018-04-29

Abstract

Disclosed is a pipe connector, which is characterized in that the connector includes a first hollow connecting component (1), the inner wall of which is provided with at least one raised a first thrust part (13); a second hollow connecting component (2), the outer wall of which is provided with a raised second thrust part (22)which is inserted and rotationally connected with the first thrust part (13) so as to limit the axial movement of the first connecting component (1)and the second connecting component (2), and the outer wall of which is also provided with a limiting part; a lock block (6); a drive mechanism which is used to drive the lock block (6) to move away from the limiting part along the axial direction; and a restoring device which can force the lock block (6) to be close to the limiting part along the axial direction. Compared with prior art, the utility model has the advantages that the first thrust part and the second thrust part are rotationally matched so as to reach the axial locking, the axial locking and unlocking operation can be achieved through the lock block and the drive mechanism, the installation and disassembly are convenient and swift, and the operation can be easily finished without much force, the whole structure is simple, the production cost is low, and the popularity and application are easy.

Description

A kind of pipe connector

Technical field

The utility model relates to a kind of pipe connector, belongs to pipe or pipe fitting connecting head technical field.

Background technique

Existing metal or plastic union pipe and pipe joint generally adopt and are threaded, and make trouble, inconvenience is installed, and waste time and energy, and antiseptic and rustproof poor performance is easy to damage under low temperature or high-temperature condition, has influenced working life.

But common pipe joint referenced patent number is Chinese utility model patent " convenient assembling and disassembling tubing the link " (notice of authorization number: CN2386300Y) of ZL99244150.1, this patent realizes that by end cap and the locking ring in end cap with internal thread the disengaging between the pipe fitting is tightly connected, and similarly structure can also be with reference to Chinese utility model patent: ZL96238723.1, ZL98227576.5, ZL99204442.1 etc.Above-mentioned patent greatly facilitates being tightly connected and dismantling between the pipe fitting, there is following deficiency but hinder: at first, must form the outside thread that matches with the end cap internal thread between the pipe fitting that connects, process loaded down with trivial details, there is damage the connection pipe fitting termination, be threaded easy to wear or get rusty, use for follow-up continuation to make troubles and lose; Secondly, dismounting realizes with being connected by rotating end cap, so the operating time is longer, and needs certain hand strength ability screwing hermetic concerning the operator.

Application reference number is 200680008567.7 Chinese invention patent application " improved tubular union " (publication number: CN101142432A) again, this patent comprises connection body and tightening nut, neck at connecting body has recess, maintain clamp in the recess, clamp can rotate drive fit with the tightening nut inwall.Though it is convenient and swift that this patent connects locking release, connecting body and clamp moulding trouble, operation is comparatively loaded down with trivial details, and corresponding manufacture cost is also higher.

Referenced patent number is Chinese invention patent " the fastenings structure of match tubes " (notice of authorization number: CN1309989C) of ZL200410063887.5 again, this patent concrete structure is as follows: each self-forming is from the outwards outstanding sticking department of periphery on the circumferencial direction of the pipeline of a side and opposite side, the link of internal diameter greater than the sticking department external diameter is set, on the inner headed face of link, form the first sealed claw and the second sealed claw simultaneously, the first sealed claw and the second sealed claw are given prominence to towards the inboard oblique of axial direction of link respectively, when the interface of the pipeline of a side or opposite side is inserted link, first or the second sealed claw limit is inserted on the distortion limit down towards the outer circular direction extruding of link by sticking department separately, when finishing to insert, first or the second sealed claw is respectively from the extruding of separately sticking department liberation and restoring to the original state down, first or the second sealed claw is sealed with sticking department separately, prevents inner joint and external tapping slippage.This patent plug and play, convenient and swift, but the connecting tube head to one of them need insert another connecting tube head in this patent, so need do extension process to the connecting tube head, will certainly improve the production difficulty and increase link cost.

In sum, should installing/dismounting quick, the Tube jointer that reduces manufacture cost again be the task that the correlative technology field technician need stretch into research and development always.

The model utility content

Technical problem to be solved in the utility model is to provide the pipe connector that a kind of installing/dismounting is convenient, manufacture cost is cheap relatively at above-mentioned prior art present situation.

The utility model solves the problems of the technologies described above the technological scheme that is adopted: this pipe connector comprises

First link of hollow, inwall have first push stopping part of at least one projection;

The detached type of hollow is inserted in second link in above-mentioned first link, and outer wall is lobed, insert with above-mentioned first push stopping part and screw to limit axially movable second push stopping part of first link and second link, and outer wall also has limited part;

Can cooperate with above-mentioned limited part to limit the lock dog that first link and second link circumferentially rotate;

Be used to drive that above-mentioned lock dog moves and axially away from the driving mechanism of limited part; And

Force axially close reposition element of above-mentioned lock dog and above-mentioned limited part.

Driving mechanism is preferably as follows design: described driving mechanism is to expose first the pushing away of link outer wall to turn round, and this pushes away turns round the bottom and be raised with embedding portion, and accordingly, described lock dog has the caulking groove that cooperates with aforementioned embedding portion.Certainly, can also adopt driving lock dog structure setting common in other prior aries, enumerate no longer one by one here.

Described reposition element can be a Returnning spring, and described lock dog head also has a tight lock part that cooperates with described limited part, and described lock dog afterbody also has the guide portion of a projection, and described Returnning spring then is sheathed on this guide portion.

The concrete fit system of tight lock part and limited part serves as preferred with following structure: the described second link outer wall forms the annular muscle of a projection, described limited part is then for taking shape in breach on the aforementioned annular muscle, and described tight lock part is convexly set in the lock dog head and match with aforementioned breach.Certainly, limited part also can adopt groove or through hole to substitute.Another kind of design is that tight lock part is a breach, and limited part then cooperates with tight lock part for being convex accordingly.

The concrete structure of lock dog is preferably as follows design: described lock dog is located at the inner chamber of described one of them first push stopping part and relative with the limited part of second link, and described Returnning spring is then between the internal chamber wall and described lock dog of described first push stopping part.

The described first link inwall has the annular stop muscle that a restriction second link continues insertion.Make plug-in mounting efficient and convenient, can not connect and suitable stretch into amplitude and prolong the connect hours because of being difficult to adjust suitable second.

The annular groove that has on described second link and the contacted annular end face of first link, the annular convex rib that this annular groove bottom has a projection, and, being embedded with an elastic seal ring in this annular groove, sealing circle inwall has annular inner concave.After seal ring was squeezed, because the existence of annular convex rib and the resilient force of self, seal ring was out of shape a little, and the interior edge face perk helps improving sealing more.

Compared with prior art, advantage of the present utility model is: adopt first push stopping part and second push stopping part to screw cooperation to realize axial locking, and by the operation between clamping block and circumferential locking of driving mechanism realization and the release, installing/dismounting is efficient and convenient, need not to execute just energy easy manipulation of very big power, overall structure is simple, and is cheap for manufacturing cost, is easy to promotion and application.

Description of drawings

Fig. 1 is the example structure schematic representation.

Fig. 2 is embodiment's three-dimensional cutaway view.

Fig. 3 is an A portion enlarged view among Fig. 2.

Fig. 4 is embodiment's decomposition assembling figure.

Fig. 5 is the first link structural representation.

Fig. 6 is another visual angle structural representation of first link.

Fig. 7 removes structural representation behind first link for embodiment.

Fig. 8 is embodiment's user mode reference drawing.

Embodiment

Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.

Embodiment: with reference to illustrated in figures 1 and 2, present embodiment is a preferable embodiment, and pipe connection 104 specifically comprises first link 1, second link 2, lock dog 6, push away and turn round 3 and Returnning spring 7.

First link 1 is a hollow, and inwall has first push stopping part, 13, the first links, 1 inwall that is evenly equipped with four radial protrusions and has the annular stop muscle 11 that a restriction second link 2 continues insertion.

Second link 2 is a hollow, outer wall have be evenly equipped with four radial protrusions second push stopping part, 22, the second push stopping part 22 cooperate with first push stopping part 13 to limit first link 1 and second link 2 moves axially.

With reference to figure 3 and shown in Figure 4, the annular groove 25 that has on second link 2 and first link, the 1 contacted annular end face, these annular groove 25 bottoms have the annular convex rib 221 of a projection, and, be embedded with an elastic seal ring 4 in this annular groove 25, sealing circle 4 inwalls have annular inner concave 41.After seal ring 4 was squeezed, because the existence of annular convex rib 221 and the resilient force of self, seal ring 4 was out of shape a little, and the interior edge face perk helps improving sealing more.After first link 1 was sheathed on second link, 2 hollow walls, seal ring 4 was between annular stop muscle 11 and annular groove 25.

Second link, 2 outer walls form the annular muscle 21 of a projection, form breach 211 on the annular muscle 21, and breach 211 serves as limited part, and tight lock part 61 is convexly set in lock dog 6 heads and matches with breach 211.

Push away and turn round 3 and serve as driving mechanism, be used to drive that lock dog 6 moves and axially away from limited part, with reference to shown in Figure 5, push away and turn round 3 and expose first link, 1 outer wall by through hole 12, push away and turn round 3 bottoms and be raised with embedding portion 31, accordingly, lock dog 6 has the caulking groove 61 that cooperates with embedding portion 31.

Lock dog 6 is used to limit first link 1 and second link 2 circumferentially rotates, the inner chamber of lock dog 6 one first push stopping part 13 located therein is also relative with the breach 211 of second link 2, inner chamber is connected with through hole 12, with reference to figure 6 and shown in Figure 7, Returnning spring 7 serves as the reposition element of lock dog 6, Returnning spring 7 is between the internal chamber wall and lock dog 6 of first push stopping part 13, particularly, lock dog 6 heads also have a tight lock part 62 that cooperates with breach 211, lock dog 6 afterbodys also have the guide portion 63 of a projection, and Returnning spring 7 is sheathed on this guide portion 63.First link 1 is in non-assembling condition following time, and lock dog 6 is positioned at the inner chamber that communicates with through hole 12, the caulking groove 61 of snap close with push away that the embedding portion turned round 31 is chimeric to be one, lock dog 6 is in the inner chamber all the time, and can not drop out under the effect of Returnning spring 7.

Working principle: during connection, earlier with first

push stopping part

13 and 22 dislocation of second push stopping part, promptly first push stopping part 13 is passed through from the gap between adjacent two second push stopping part 22, and, determine corresponding lock dog 6 and breach 211 positions, the end face of first link 1 is shifted onto till the annular stop muscle 11 of second link 2, first link 1 then rotates in a circumferential direction, and overcome Returnning spring 7 elastic force, and force in to push away and turn round 3, guarantee that the tight lock part 62 of lock dog can insert breach 211 smoothly, relieving pushes away turns round 3, such first push stopping part 13 just can not move with the 22 axial lockings of second push stopping part, because lock dog 6 cooperates circumferentially locking with breach 211, can not move again.

When taking apart, overcome the elastic force of Returnning spring 7, force in to push away and turn round 3, the tight lock part 62 of lock dog breaks away from breach 211, so just removed the circumferential locking between first link 1 and second link 2, rotate first link 1 then,, can axially be separated from each other first link 1 and second link 2 with that to first

push stopping part

13 and 22 dislocation of second push stopping part.

With reference to figure 2 and shown in Figure 8: first link, 1 outer wall forms the slot 100 that inserts the annular indent of assembling for first pipe fitting, 103 ends, can seal gluing after the insertion, second pipe fitting 102 can be gluing with the side end face sealing of second link annular muscle 21, as figure, second pipe fitting 102 promptly is arranged in the sunk area 101 of first link 1 and second link, 2 compositions.

Claims

1, a kind of pipe connector is characterized in that comprising

First link (1) of hollow, inwall have first push stopping part (13) of at least one projection;

The detached type of hollow is inserted in second link (2) in above-mentioned first link (1), outer wall is lobed, insert with above-mentioned first push stopping part (13) and screw to limit first link (1) and axially movable second push stopping part of second link (2) (22), and outer wall also has limited part;

Can cooperate with above-mentioned limited part to limit first link (1) and the circumferential lock dog (6) that rotates of second link (2);

Be used to drive above-mentioned lock dog (6) and move also axial driving mechanism away from limited part; And

Force the axial close reposition element of above-mentioned lock dog (6) and above-mentioned limited part.

2, pipe connector according to claim 1, it is characterized in that described driving mechanism is to expose pushing away of first link (1) outer wall to turn round (3), this pushes away turns round (3) bottom and is raised with embedding portion (31), and accordingly, described lock dog (6) has the caulking groove (61) that cooperates with aforementioned embedding portion (31).

3, pipe connector according to claim 2, it is characterized in that described reposition element is a Returnning spring (7), described lock dog (6) head also has a tight lock part (62) that cooperates with described limited part, described lock dog (6) afterbody also has the guide portion (63) of a projection, and described Returnning spring (7) then is sheathed on this guide portion (63).

4, pipe connector according to claim 3, it is characterized in that described second link (2) outer wall forms the annular muscle (21) of a projection, described limited part is then for taking shape in breach (211) on the aforementioned annular muscle (21), and described tight lock part (61) is convexly set in lock dog (6) head and match with aforementioned breach (211).

5, pipe connector according to claim 3, it is characterized in that described lock dog (6) is located at the inner chamber of described one of them first push stopping part (13) and relative with the limited part of second link (2), described Returnning spring (7) then is positioned between the internal chamber wall and described lock dog (6) of described first push stopping part (13).

6, pipe connector according to claim 1 is characterized in that described first link (1) inwall has the annular stop muscle (11) that restriction second link (2) continues insertion.

7, according to the described pipe connector of the arbitrary claim of claim 1 to 6, it is characterized in that the annular groove (25) that has on described second link (2) and the contacted annular end face of first link (1), the annular convex rib (221) that this annular groove (25) bottom has a projection, and, be embedded with an elastic seal ring (4) in this annular groove (25), sealing circle (4) inwall has annular inner concave (41).