CN210716502U

CN210716502U - PE solid wall pipe quick connection pipe fitting

Info

Publication number: CN210716502U
Application number: CN201921575809.1U
Authority: CN
Inventors: 姜俊杰; 张哲�; 张玉勇; 刘磊; 姜浩
Original assignee: Anhui Chaoxing New Material Technology Co Ltd
Current assignee: Anhui Chaoxing New Material Technology Co Ltd
Priority date: 2019-09-22
Filing date: 2019-09-22
Publication date: 2020-06-09
Anticipated expiration: 2029-09-22

Abstract

The utility model discloses a fast connecting pipe fitting of PE solid-wall pipe, which comprises an inner claw, a compression nut, a main body, a jacket, a first rubber gasket and a second rubber gasket; the inner claw is sleeved in the compression nut, a first rubber gasket is sleeved at one end of the main body, and a second rubber gasket is arranged in the main body; the main body comprises a sleeve part and a connecting part, wherein a first external thread, an internal thread and a limiting ring are arranged on the connecting part; the jacket comprises an external pipe, an internal sleeve, a connecting ring and a clamping device; the utility model has the advantages that the whole connection process does not need hot melt connection, all adopts a threaded connection mode, is quick and convenient in use, and can complete the quick connection of the PE solid-wall pipe without other tools during site construction; the utility model discloses an interior sleeve pipe and sleeve pipe portion are being pressed from both sides the cover and are being set up inside the main part for the orificial inside of the real wall pipe of PE obtains certain support, and the real wall pipe of PE mouth of pipe is difficult for taking place to warp.

Description

PE solid wall pipe quick connection pipe fitting

Technical Field

The utility model relates to a pipe connection field, concretely relates to real wall pipe quick connect pipe fitting of PE.

Background

When plastic pipelines are laid in the existing building and other industries, the pipelines are generally connected in a threaded connection mode, a welding mode, a bonding mode, a clamping sleeve type mode or a clamping hoop type mode and the like. The connection between the PE solid-wall pipes is usually performed by adopting a welding or ferrule type connection mode; the hot melt connection needs to use more instrument, and is also higher to the requirement of construction, adopts the mode of cutting ferrule connection to connect the mouth of pipe extrusion deformation with the pipeline easily, influences the normal use of pipeline.

Chinese utility model CN205479894U discloses a quick-connect pipe fitting includes the pipe fitting body, and this pipe fitting body includes the connector, still includes fastening component, and this fastening component is including establishing the screw hole on the pipe fitting body lateral wall to and with screw hole screw-thread fit's fastening bolt, and the screw hole is close to the connector setting. Because of the utility model discloses a quick-connect pipe fitting includes fastening components, when making its connecting tube, inserts the interior back of connecting port with the pipeline tip, stretches into this internal support of pipe fitting at threaded hole department and can accomplish the connection at the fastening of pipeline tip with fastening bolt.

Therefore, how to design a quick connecting pipe fitting of a PE solid-wall pipe, which can quickly connect a pipe without hot melting and can protect the pipe orifice of the pipe, becomes a problem that needs to be solved currently.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a real wall pipe quick connect pipe fitting of PE.

The utility model discloses the problem that needs to solve:

1. at present, the PE solid-wall pipe connecting pipe fitting with different diameters needs to be connected by hot melting, time and labor are wasted, the efficiency is low, and a plurality of tools are needed for field construction.

2. The problem of present quick-connect pipe fitting behind the connecting tube easy with the mouth of pipe extrusion deformation of pipeline.

The purpose of the utility model can be realized by the following technical scheme:

a quick connecting pipe fitting for a PE solid-wall pipe comprises an inner claw, a compression nut, a main body, a jacket, a first rubber gasket and a second rubber gasket; the inner claw is sleeved in the compression nut, a first rubber gasket is sleeved at one end of the main body, and a second rubber gasket is arranged in the main body;

the main part includes bushing portion and connecting portion, is provided with first external screw thread on the one end outer wall of connecting portion, is provided with the internal thread on the other end inner wall of connecting portion, is fixed with the spacing ring on the connecting portion inner wall, has the space between spacing ring and the internal thread, and it has the notch to open between bushing portion and the connecting portion.

Further, the jacket comprises an external pipe, an internal pipe, a connecting ring and a clamping device; the external pipe is provided with a second external thread, the inner sleeve is sleeved inside the external pipe, the outer wall of one end of the inner sleeve is fixed with a connecting ring, the outer wall of the connecting ring is fixed on the inner wall of the external pipe, the external pipe is provided with four threaded holes, and each threaded hole is provided with a clamping device.

Further, the clamping device comprises a screwing handle, a clamping ring, a bolt and a pressing block; the tightening handle is fixed at the top end of the bolt, the clamping ring is fixed on the bolt, the bottom of the bolt is fixed with the pressing block, and the bolt of the clamping device is matched with the threaded hole of the jacket.

Further, the first external screw thread of main part cooperatees with gland nut, and the second external screw thread that presss from both sides the cover cooperatees with the internal thread of main part, and first rubber packing ring suit is in the notch on the main part, and second rubber packing ring suit is in the space department between the internal thread of main part and the spacing ring.

The utility model has the advantages that:

(1) the utility model discloses whole joining process need not the hot melt and connects, and the mode that all adopt threaded connection is convenient fast during the use, need not other instrument during site operation and can accomplish the use, has solved the PE solid wall pipe connection pipe fitting of present reducing and need use the hot melt to connect, wastes time and energy and inefficiency, and site operation needs the problem of a lot of instruments.

(2) The utility model discloses a press from both sides the inside second sleeve pipe that sets up of cover for the orificial inside of PE solid wall pipe obtains certain support, and the solid wall pipe mouth of pipe of PE is difficult for taking place to warp, has solved present quick-connect pipe fitting and has extruded the problem of warping with the mouth of pipe of pipeline easily behind the connecting tube, fixes the pipeline of cup jointing at interior sleeve pipe through using clamping device, and whole process need not the fastening that the pipeline can be accomplished to the hot melt, convenient to use.

(3) The utility model discloses an use first rubber packing ring and second rubber packing ring to seal between main part and the PE solid wall pipe, and further extrude first rubber packing ring through gland nut, extrude the second rubber packing ring in the main part through pressing from both sides cover screw in main part for it is inseparabler to connect combining between pipe fitting and the PE solid wall pipe, and the condition of having avoided appearing the weeping takes place, has improved the leakproofness of whole device.

Drawings

The present invention will be further described with reference to the accompanying drawings.

FIG. 1 is a schematic structural view of a PE solid-wall pipe quick-connect pipe fitting of the present invention;

FIG. 2 is a schematic view of the structure of the body of FIG. 1;

FIG. 3 is a schematic view of the structure of the jacket of FIG. 1;

fig. 4 is a schematic structural view of the clamping device in fig. 3.

In the figure: 1. an inner jaw; 2. a compression nut; 3. a main body; 4. a jacket; 5. a first rubber gasket; 6. a second rubber gasket; 31. a sleeve portion; 32. a connecting portion; 33. a first external thread; 34. an internal thread; 35. a limiting ring; 36. a notch; 41. an external connection pipe; 42. an inner sleeve; 43. a connecting ring; 44. a clamping device; 441. twisting a handle; 442. a snap ring; 443. a bolt; 444. briquetting; 45. a threaded hole; 46. a second external thread.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1-4, a fast connecting pipe fitting of a PE solid-wall pipe comprises an inner claw 1, a compression nut 2, a main body 3, a jacket 4, a first rubber gasket 5 and a second rubber gasket 6; the inner claw 1 is sleeved in the compression nut 2, one end of the main body 3 is sleeved with a first rubber gasket 5, and a second rubber gasket 6 is arranged in the main body 3;

as shown in fig. 2, the main body 3 includes a sleeve portion 31 and a connecting portion 32, a first external thread 33 is provided on an outer wall of one end of the connecting portion 32, an internal thread 34 is provided on an inner wall of the other end of the connecting portion 32, a limiting ring 35 is fixed on the inner wall of the connecting portion 32, a gap exists between the limiting ring 35 and the internal thread 34, and a notch 36 is provided between the sleeve portion 31 and the connecting portion 32;

as shown in fig. 3, the collet 4 includes an outer tube 41, an inner tube 42, a connecting ring 43, and a holding device 44; the external connection pipe 41 is provided with a second external thread 46, the inner sleeve 42 is sleeved inside the external connection pipe 41, the outer wall of one end of the inner sleeve 42 is fixed with a connecting ring 43, the outer wall of the connecting ring 43 is fixed on the inner wall of the external connection pipe 41, the external connection pipe 41 is provided with four threaded holes 45, and each threaded hole 45 is provided with a clamping device 44;

as shown in fig. 4, the clamping device 44 includes a screw handle 441, a snap ring 442, a bolt 443, and a pressing piece 444; the handle 441 is fixed at the top end of the bolt 443, the clamping ring 442 is fixed on the bolt 443, the pressing block 444 is fixed at the bottom of the bolt 443, and the bolt 443 of the clamping device 44 is matched with the threaded hole 45 of the jacket 4;

as shown in fig. 1 to 4, the first external thread 33 of the main body 3 is engaged with the gland nut 2, the second external thread 46 of the collet 4 is engaged with the internal thread 34 of the main body 3, the first rubber washer 5 is fitted in the notch 36 of the main body 3, and the second rubber washer 6 is fitted in the gap between the internal thread 34 of the main body 3 and the retainer ring 35.

The utility model discloses a working method as follows:

(1) the compression nut 2 screwed on the first external thread 33 of the main body 3 is unscrewed, a cutter is used for trimming the pipe orifice of the PE solid wall pipe with a larger pipe diameter, the pipe orifice is flush, the inner claw 1 and the compression nut 2 are sleeved on the pipe orifice of the trimmed PE solid wall pipe, the PE solid wall pipe is sleeved on the sleeve pipe part 31 of the main body 3 after the sleeving is finished, the compression nut 2 is screwed on the first external thread 33 of the main body 3, the inner claw 1 is further compressed by the compression nut 2 in the screwing process, the inner claw 1 firmly grasps the PE solid wall pipe, the PE solid wall pipe is prevented from loosening, meanwhile, the inner claw 1 extrudes the first rubber gasket 5 inwards, the first rubber gasket 5 is attached to the PE solid wall pipe more tightly, the radial sealing of the PE solid wall pipe is realized, the whole connection process is carried out in a threaded connection mode without using hot melting, the method is quick and convenient;

(2) the clamp sleeve 4 screwed at the other end of the main body 3 is unscrewed, the screwing handle 441 on the clamping device 44 is screwed, the bolt 443 is screwed, the pressing block 444 connected to the bolt 443 is upwards moved and retracted along with the bolt 443 to trim the pipe orifice of the PE solid wall pipe with smaller pipe diameter, one end of the trimmed PE solid wall pipe is sleeved on the inner sleeve 42 of the clamp sleeve 4, the screwing handle 441 is screwed to rotate the bolt 443 downwards and press the pressing block 444, and the pressing block 444 fastens the PE solid wall pipe, the inner sleeve 42 is arranged inside the clamp sleeve 4, so that the inside of the pipe orifice of the PE solid wall pipe is supported to a certain degree, the pipe orifice of the PE solid wall pipe is not easy to deform, the problem that the pipe orifice of the pipe is easy to be extruded and deformed by the prior quick connecting pipe after connecting the pipe is solved, the pipe sleeved on the inner sleeve 42 is fixed by using the clamping device 44, the bolt 443 is limited by the clamping ring 442 arranged on the bolt of the clamping, the clamping device 44 can not excessively press the pipeline to damage the pipeline during fastening, the pipeline can be fastened without hot melting in the whole process, and the use is convenient;

(3) it is inside through the internal thread 34 screw in main part 3 of main part 3 that the clamp cover 4 that will fasten there is the real wall pipe of PE is passed through, it is fixed to make to press from both sides cover 4 and main part 3 connection, press from both sides the inside back of cover 4 screw in main part 3 and extrude second rubber packing ring 6 in the main part 3, make between second rubber packing ring 6 and the clamp cover 4 closely laminate, the radial seal between cover 4 and the main part 3 has been realized pressing from both sides, connecting device this moment has accomplished the real wall pipe connection of the PE of two different pipe diameters promptly, whole connection process need not the hot melt and connects, all adopt threaded connection's mode, it is convenient fast during the use, need not other instrument during the site operation and can accomplish the use, the real wall pipe of PE that has solved present reducing connects the pipe fitting and need use the hot melt to connect, waste time.

The foregoing is merely exemplary and illustrative of the structure of the invention, and various modifications, additions and substitutions as described in the detailed description may be made by those skilled in the art without departing from the structure or exceeding the scope of the invention as defined in the claims.

Claims

1. A quick connecting pipe fitting for a PE solid-wall pipe is characterized by comprising an inner claw (1), a compression nut (2), a main body (3), a jacket (4), a first rubber gasket (5) and a second rubber gasket (6); the inner claw (1) is sleeved in the compression nut (2), one end of the main body (3) is sleeved with a first rubber gasket (5), and the second rubber gasket (6) is arranged inside the main body (3);

the main part (3) comprises a sleeve part (31) and a connecting part (32), a first external thread (33) is arranged on the outer wall of one end of the connecting part (32), an internal thread (34) is arranged on the inner wall of the other end of the connecting part (32), a limiting ring (35) is fixed on the inner wall of the connecting part (32), a gap exists between the limiting ring (35) and the internal thread (34), and a notch (36) is formed between the sleeve part (31) and the connecting part (32).

2. A PE solid wall pipe quick connect fitting according to claim 1, characterized in that the jacket (4) comprises an outer pipe (41), an inner pipe (42), a connection ring (43) and a clamping device (44); the outer pipe (41) is provided with a second external thread (46), the inner sleeve (42) is sleeved inside the outer pipe (41), the outer wall of one end of the inner sleeve (42) is fixed with a connecting ring (43), the outer wall of the connecting ring (43) is fixed on the inner wall of the outer pipe (41), the outer pipe (41) is provided with four threaded holes (45), and each threaded hole (45) is provided with a clamping device (44).

3. A PE solid wall pipe quick connect fitting according to claim 2, characterized in that said clamping means (44) comprises a twist grip (441), a snap ring (442), a bolt (443) and a press block (444); the screwing handle (441) is fixed at the top end of the bolt (443), the clamping ring (442) is fixed on the bolt (443), the pressing block (444) is fixed at the bottom of the bolt (443), and the bolt (443) of the clamping device (44) is matched with the threaded hole (45) of the jacket (4).

4. A PE solid-wall pipe quick-connect fitting according to claim 1, characterized in that the first external thread (33) of the body (3) cooperates with the gland nut (2), the second external thread (46) of the jacket (4) cooperates with the internal thread (34) of the body (3), the first rubber gasket (5) is fitted in the notch (36) of the body (3), and the second rubber gasket (6) is fitted in the gap between the internal thread (34) of the body (3) and the stop ring (35).