CN203560644U

CN203560644U - Plug type clamp ring pipe joint

Info

Publication number: CN203560644U
Application number: CN201320654670.6U
Authority: CN
Inventors: 王燕飞
Original assignee: Hangzhou Yinbo Traffic Engineering Materials Co Ltd
Current assignee: Hangzhou Yinbo Traffic Engineering Materials Co Ltd
Priority date: 2013-10-21
Filing date: 2013-10-21
Publication date: 2014-04-23
Anticipated expiration: 2023-10-21

Abstract

The utility model relates to a pipe joint in the mechanical field, and aims to provide a plug type clamp ring pipe joint which can be used for rapidly connecting pipes. The plug type clamp ring pipe joint comprises a socketed pipe and a plugged pipe, wherein sealing ring grooves are formed in the outer diameter of the plugged pipe which is sleeved with sealing rings and extends into the inner diameter of the socketed pipe for matching, an annular clamp groove is further formed in the outer diameter of the plugged pipe, and a clamp spring in a free state is placed in the clamp groove; the appearance of the clamp spring is larger than the inner diameter of the socketed pipe; an annular groove used for accommodating the clamp spring is further formed in the inner wall of the socketed pipe and corresponds to the clamp groove; and when a pipe is plugged in place, the clamp spring can be freely embedded into the groove. According to the plug type clamp ring pipe joint, a clamping and buckling structure for pipe connection is achieved by means of expansion and restoration of the spring, rapid connection between the pipes is realized, firmness and safety are achieved, and accordingly, the plug type clamp spring pipe joint is fast and convenient to operate in the use field of a sounding pipe, and the work efficiency is greatly improved.

Description

Plug bush type snap ring pipe joint

Technical field

The utility model relates to the pipe joint of mechanical field, specifically, is a kind ofly can carry out the plug bush type snap ring pipe joint connecting fast between pipe to pipe.

Background technique

At present, the connected technology between pipe pipe is a lot, and such as flange, screw thread, welding etc., inventor is for the foundation of concrete perfusion piles engineering in current construction industry, and the Placement of the sound detecting pipe that it is the most frequently used is studied and improves.

Described sound detecting pipe is connected by a section hollow tubular, then colligation enters underground on reinforcement cage, after concreting completes, by sound wave transmission method, the quality of bored concrete pile pile body is detected, this is also the most conventional detection mode in current concrete structure industry.Sound detecting pipe now much more general employing is metal tube, and this is because metal is better with concrete combination, and some occasion also visual muscle or the alternative main muscle of part of deciding use.The connection of the current sound detecting pipe in use is undertaken by screwed pipe joint substantially, be threaded and easily produce relative rotation, therefore inventor invented " after a kind of connection can unitary rotation and the joint of the connecting thread that do not get loose " (patent No.: 201020224960.3), this phenomenon has been carried out to a kind of structural improvement to this.But the length of the current metal tube as sound detecting pipe, all generally to be greater than 9 meters one, will with the same multistage of reinforcement cage connect, and imbed underground building in concrete after connecting, do not need again to take out, therefore the mode of operation that advance in this rotation limit, limit being threaded at present, concerning surfaceman's operation, wastes time and energy and does not please; If imagination has the socket connection that a kind of simple insertion can be connected, connection procedure does not need turne tube, after connecting, between pipe, can not do relative motion, completes once and irreversible, and this can bring large increase to whole working efficiency.

Summary of the invention

The purpose of this utility model is in order to overcome deficiency of the prior art, and a kind of quick plug bush type snap ring pipe joint of Placement reliably that has is provided.

To achieve these goals, the technical solution adopted in the utility model is:

A kind of plug bush type snap ring pipe joint, be used for connecting two sections of steel pipes, comprise socketed pipe and insertion pipe, the external diameter of described insertion pipe is provided with seal groove, after cover upper sealing ring, stretching into the internal diameter of socketed pipe does to coordinate, on the external diameter of described insertion pipe, be also provided with the draw-in groove of one annular, a built-in jump ring that is free state, the profile of jump ring is greater than the internal diameter of described socketed pipe; On the inwall of described socketed pipe, be also provided with accordingly for holding the annular groove of jump ring with described draw-in groove; When pipe grafting puts in place, described jump ring can just freely embed in described groove.

As further improvement of the utility model, described annular groove can be located on arbitrary position of the socketed pipe corresponding with draw-in groove.

As further improvement of the utility model, the opening end of described socketed pipe is provided with breach; On the external diameter of described insertion pipe, be provided with protruding key pin, key pin can inject breach, to prevent that pipe from relatively rotating.

As further improvement of the utility model, on the external diameter of described insertion pipe, have one seal groove at least, can lay at least one seal ring.

As further improvement of the utility model, described socketed pipe all adopts joint welding mode to be connected with steel pipe with insertion pipe.

Compared with prior art, plug bush type snap ring pipe joint of the present utility model, utilizes the compression of jump ring to be used as with reset the buckle structure that pipe pipe is connected, realized the quick connection between tube and tube, firm safety, therefore swift and convenient to operate in sound detecting pipe use field, working efficiency increases; In addition, the utility model arranges the cooperation of bolt-type by the opening end position at pipe, realizes simply relatively not rotatable, practical and convenient between pipe pipe.

Accompanying drawing explanation

Fig. 1 is the structural representation of plug bush type snap ring pipe joint of the present utility model.

Fig. 2 is the structural representation of the socketed pipe in Fig. 1.

Fig. 3 is the structural representation of the insertion pipe in Fig. 1.

Embodiment

Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail:

As shown in Figure 1, plug bush type snap ring pipe joint of the present utility model is comprised of socketed pipe 3 and insertion pipe 9, and one end of socketed pipe 3 and insertion pipe 9 is all to carry out joint welding with steel pipe 1 to be connected, and needn't adopt the groove opening mode of butt welding again, to scheme quick and to save trouble; On the other end, the internal diameter of socketed pipe 3 is slightly larger than the external diameter of insertion pipe 9, is about the gap of 0.1mm, is connected after being used for injecting socketed pipe 9; Therefore the structure of insertion pipe 9 as shown in Figure 3, arranges the seal groove 6 of three road annulars at the front end position that is used for inserting socketed pipe 3, is furnished with " zero " V-shaped ring 7 and is used as to seal in seal groove 6; After the rear end part of insertion pipe 9 follows seal groove 6 closely, be provided with the draw-in groove 8 of one annular, a built-in jump ring 5 that is free state.The profile of jump ring 5 is slightly larger than the internal diameter of socketed pipe 3, and therefore, when entering socketed pipe 3 with insertion pipe 9, jump ring 5 is to be subject to slight extruding; Socketed pipe 3 as shown in Figure 2, is provided with annular groove 4 within it accordingly on wall, in order to hold the jump ring 5 after reset; Therefore when pipe grafting puts in place, groove 4 just radially overlaps with draw-in groove 8 central positions, and jump ring 5 just can just freely be embedded into recovery in groove 4; So jump ring 5 some in draw-in groove 8, some is in groove 4, two pipes can not relatively be pulled out.

In addition, the utility model is also provided with the key pin (not shown) of a protrusion external diameter on the excircle at insertion pipe 9 rear portions, and the breach at the opening end position of the size of key pin and socketed pipe 3 matches; Therefore when insertion pipe 9 front ends insert after socketed pipe 3, its key pin also can snap in the middle of the breach of socketed pipe 3 just, makes two pipes after connecting can not produce relative rotation.

The utility model in use, only need be taken over the insertion end alignment sleeve of insertion pipe 93 the end that is inserted in, and key pin is alignment notch also, then slowly after extruding " O " shape seal ring 7, inserts, and jump ring 5 is also pushed slightly with entering simultaneously; When pipe is inserted into the end, when draw-in groove (groove 4 and the draw-in groove 8) position of two jump rings overlaps, hear a sound of " rattling away ", jump ring 5 by compression resets at this; So the jump ring 5 resetting is embedded in the middle of draw-in groove 8 partially, be partly embedded in the middle of groove 4, therefore the relative shift between two pipes has been caused to very large resistance, realized firmly and being connected.

Finally, it is also noted that, what more than enumerate is only a specific embodiment of the present utility model.Obviously, the utility model can also have many distortion, and all distortion that those of ordinary skill in the art can directly derive or associate from the disclosed content of the utility model, all should think protection domain of the present utility model.

Claims

1. a plug bush type snap ring pipe joint, be used for connecting two sections of steel pipes (1), comprise socketed pipe (3) and insertion pipe (9), the external diameter of described insertion pipe (9) is provided with seal groove (6), after cover upper sealing ring (7), stretch into the internal diameter of socketed pipe (3) and do to coordinate, it is characterized in that, on the external diameter of described insertion pipe (9), be also provided with the draw-in groove (8) of one annular, a built-in jump ring (5) that is free state, the external diameter of jump ring (5) is greater than the internal diameter of described socketed pipe (3); On the inwall of described socketed pipe (3), be also provided with accordingly for holding the annular groove (4) of jump ring (5) with described draw-in groove (8); When pipe grafting puts in place, described jump ring (5) can just freely embed in described groove (4).

2. plug bush type snap ring pipe joint according to claim 1, is characterized in that, described annular groove (4) can be located on arbitrary position of socketed pipe (3), and the position of draw-in groove (8) on insertion pipe (9) is corresponding with it.

3. according to plug bush type snap ring pipe joint described in claim 1 or 2, it is characterized in that, the opening end of described socketed pipe (3) is provided with breach; On the external diameter of described insertion pipe (9), be provided with protruding key pin, key pin can inject breach, to prevent that pipe from relatively rotating.

4. plug bush type snap ring pipe joint according to claim 1, is characterized in that on the external diameter of described insertion pipe (9), having one seal groove (6) at least, can lay at least one seal ring (7).

5. plug bush type snap ring pipe joint according to claim 1, is characterized in that, described socketed pipe (3) all adopts joint welding mode to be connected with steel pipe (1) with insertion pipe (9).