CN209781994U

CN209781994U - PVC pipeline connection structure

Info

Publication number: CN209781994U
Application number: CN201920315736.6U
Authority: CN
Inventors: 金巍忠
Original assignee: Hangzhou Jintai Plastic Industry Co Ltd
Current assignee: Hangzhou Jintai Plastic Industry Co Ltd
Priority date: 2019-03-13
Filing date: 2019-03-13
Publication date: 2019-12-13
Anticipated expiration: 2029-03-13

Abstract

The utility model relates to a pipe connection technical field just discloses a PVC pipeline connection structure, including loose tube, first intermediate pipe and fastener, loose tube's side fixed mounting has the joint ring. This PVC pipeline connection structure, can compensate under the condition that produces the central line skew between the pipeline through the loose tube, prevent that the skew from leading to appearing damaging the problem that leads to revealing between the pipeline, can carry out the pre-connection when making mouth-piece and first intermediate pipe connect through the pothook, the side that the atress is different appears in the side of the mouth-piece and first intermediate pipe easily when preventing directly connecting first fastening bolt and first nut appears, and then prevent that the problem that the sealed effect of first rubber circle is not good from appearing, make the device can be suitable for the connection between the pipeline of different diameters through installing different first intermediate pipe and second intermediate pipe, and make the device have the commonality.

Description

PVC pipeline connection structure

Technical Field

The utility model relates to a pipe connection technical field specifically is a PVC pipeline connection structure.

Background

The PVC pipe is a plastic pipe which is developed and applied at the earliest time and is formed by extrusion by a hot pressing method after polyvinyl chloride resin is matched with a stabilizer, a lubricant and the like, the PVC pipe has strong corrosion resistance, easy adhesion, low price and hard texture, the length of the pipe is generally limited when the pipe is produced in consideration of the processing requirements and the transportation convenience requirements, and the laying length of the pipe is not limited, so the pipes are required to be connected when being laid and used.

When the PVC pipeline is connected, a lot of PVC pipes are direct when production with the diameter grow of one end at present, have reached another pipeline and can advance it to go to install, and the fixed effect of this kind of mounting means is not good, and sealed effect is not good, produces the problem that the axis leads to the pipeline to damage easily when producing the skew between the pipeline moreover, and some pipe connection structures of using at present can only connect the connection between some fixed diameter pipelines, do not have the commonality.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a PVC pipeline connection structure possesses and can bend, can carry out general connection, sealed effectual advantage, has solved traditional pipeline connection structure simple structure, can't compensate and do not have the problem of commonality when two pipeline axis produce squints.

The utility model provides a following technical scheme: a PVC pipeline connecting structure comprises a movable hose, a first intermediate pipe and a fastener, wherein a clamping ring is fixedly arranged on the side surface of the movable hose, a threaded connecting pipe is installed on the inner thread of the other side surface of the clamping ring, the outer surface thread of the threaded connecting pipe is communicated with an interface pipe, a first mounting seat is fixedly installed on the outer surface of the interface pipe, a clamping groove is formed in the first mounting seat, a second mounting seat is fixedly installed on the side surface of the first intermediate pipe, a clamping hook is fixedly installed on the side surface of the second mounting seat, the other end of the clamping hook penetrates through the clamping groove and is clamped with the side surface of the clamping groove, a first fastening bolt is installed on the inner thread of the second mounting seat, the other end of the first fastening bolt penetrates through the second mounting seat and the first mounting seat in sequence and extends to the left side of the first mounting seat, and a first nut is installed on the left side, the side of first intermediate pipe has seted up the ring channel, the inside fixed bonding of ring channel has first rubber circle, the fixed surface cover of first intermediate pipe is equipped with the second rubber circle, first intermediate pipe has first PVC pipe through the fixed intercommunication of second rubber circle, the surface and the fastener of second rubber circle cup joint mutually, the side fixedly connected with connecting seat of fastener, the inside screw thread of connecting seat installs second fastening bolt, second fastening bolt's the other end runs through another the connecting seat and extends to another the second nut is installed to the top and the screw thread of connecting seat.

Preferably, the other side surface of the movable hose is fixedly communicated with a second middle pipe through a mouth piece, and the second middle pipe is fixedly communicated with a second PVC pipe through another fastener.

Preferably, the pipe diameter of the first middle pipe is different from that of the second middle pipe, and the pipe diameter of the first PVC pipe is different from that of the second PVC pipe.

Preferably, the flexible hose is a corrugated pipe, and the maximum bending angle of the flexible hose is 90 °.

Preferably, the diameter value of the inner ring of the second rubber ring is slightly smaller than the outer diameter value of the first PVC pipe, and the thickness value of the first rubber ring is slightly larger than the height value of the annular groove.

Preferably, the side surface of the mouthpiece is provided with a groove which is matched with the first rubber ring and is the same as the annular groove.

Compared with the prior art, the utility model discloses possess following beneficial effect:

1. This PVC pipeline connection structure, can compensate under the condition that produces the central line skew between the pipeline through the loose tube, prevent that the skew from leading to appearing damaging the problem that leads to revealing between the pipeline, can carry out the pre-connection when making mouth-piece and first intermediate pipe connect through the pothook, the side that the atress is different appears in the side of the mouth-piece and first intermediate pipe easily when preventing directly connecting first fastening bolt and first nut appears, and then prevent that the problem that the sealed effect of first rubber circle is not good from appearing, make the device can be suitable for the connection between the pipeline of different diameters through installing different first intermediate pipe and second intermediate pipe, and make the device have the commonality.

2. This PVC pipe connection structure makes through the second rubber circle and carries out seamless connection between first intervalve and the first PVC pipe, avoids appearing the condition of weeping, and the cooperation through fastener and connecting seat and second fastening bolt and second nut and then make the sealed effect of second rubber circle better, can prevent to appear the condition that breaks away from between first intervalve and the first PVC pipe simultaneously.

Drawings

FIG. 1 is a sectional view of the present invention;

FIG. 2 is a side view of the structural fastener of the present invention;

Fig. 3 is an enlarged view of the structure a of the present invention.

In the figure: 1. a flexible hose; 2. a snap ring; 3. a threaded connection pipe; 4. a mouthpiece; 5. a first intermediate pipe; 6. a connecting seat; 7. a second fastening bolt; 8. a fastener; 9. a first PVC pipe; 10. a second PVC pipe; 11. a second intermediate pipe; 12. an annular groove; 13. a second mounting seat; 14. a first fastening bolt; 15. a first nut; 16. a hook; 17. a card slot; 18. a first mounting seat; 19. a first rubber ring; 20. a second nut; 21. and a second rubber ring.

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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, a PVC pipe connection structure includes a flexible hose 1, a first middle tube 5 and a fastener 8, the flexible hose 1 is a corrugated pipe, the maximum bending angle of the flexible hose 1 is 90 °, the flexible hose 1 can compensate for the central line offset between the pipes, and prevent the leakage caused by the damage between the pipes due to the offset, the other side surface of the flexible hose 1 is fixedly communicated with a second middle tube 11 through a mouthpiece 4, the second middle tube 11 is fixedly communicated with a second PVC tube 10 through another fastener 8, the diameter of the first middle tube 5 is different from that of the second middle tube 11, the connection between the pipes with different diameters can be adapted by installing the different first middle tube 5 and second middle tube 11, and the device has versatility, the side surface of the flexible hose 1 is fixedly installed with a snap ring 2, the threaded connecting pipe 3 is installed on the inner thread of the other side face of the clamping ring 2, the outer surface thread of the threaded connecting pipe 3 is communicated with the mouthpiece 4, the outer surface of the mouthpiece 4 is fixedly provided with a first installation seat 18, the inside of the first installation seat 18 is provided with a clamping groove 17, the side face of the first middle pipe 5 is fixedly provided with a second installation seat 13, the side face of the second installation seat 13 is fixedly provided with a clamping hook 16, the mouthpiece 4 and the first middle pipe 5 can be pre-connected through the clamping hook 16 when being connected, the situation that the side faces of the mouthpiece 4 and the first middle pipe 5 are stressed differently when the first fastening bolt 14 and the first nut 15 are directly connected is prevented, and the problem that the sealing effect of the first rubber ring 19 is poor is further prevented, the other end of the clamping hook 16 penetrates through the clamping groove 17 and is clamped with the side face of the clamping groove 17, the first fastening bolt 14 is installed on the inner thread of the second installation, the other end of the first fastening bolt 14 sequentially penetrates through the second mounting seat 13 and the first mounting seat 18 and extends to the left side of the first mounting seat 18, and a first nut 15 is installed in a threaded manner, the side surface of the first middle tube 5 is provided with an annular groove 12, a first rubber ring 19 is fixedly bonded inside the annular groove 12, the thickness value of the first rubber ring 19 is slightly larger than the height value of the annular groove 12, the side surface of the mouthpiece 4 is provided with a groove which is matched with the first rubber ring 19 and is the same as the annular groove 12, the groove is favorable for fixing and sealing the first rubber ring 19, the outer surface of the first middle tube 5 is fixedly sleeved with a second rubber ring 21, the first middle tube 5 is fixedly communicated with the first PVC tube 9 through the second rubber ring 21, the diameter value of the inner ring of the second rubber ring 21 is slightly smaller than the outer diameter value of the first PVC tube 9, and the tube diameter of the first PVC tube 9 is different from that of the second PVC tube 10, make through second rubber circle 21 carry out seamless connection between first intermediate tube 5 and the first PVC pipe 9, avoid the condition of weeping to appear, the surface and the fastener 8 of second rubber circle 21 cup joint mutually, the side fixedly connected with connecting seat 6 of fastener 8, second fastening bolt 7 is installed to the inside screw thread of connecting seat 6, second fastening bolt 7's the other end runs through another connecting seat 6 and extends to the top and the threaded mounting of another connecting seat 6 and has second nut 20, cooperation through fastener 8 and connecting seat 6 and second fastening bolt 7 and second nut 20 and then make the sealed effect of second rubber circle 21 better, can prevent the condition that breaks away from simultaneously to appear between first intermediate tube 5 and the first PVC pipe 9.

The working principle is that when in use, the mouthpiece 4 is required to be connected on the threaded connecting pipe 3 in a threaded manner, then the first middle pipe 5 matched with the first PVC pipe is selected, the first rubber ring 19 is placed in the annular groove 12, the hooks 16 are pushed into the clamping groove 17, when all the hooks 16 are determined to be clamped in the clamping groove 17, the first fastening bolt 14 sequentially penetrates through the second mounting seat 13 and the first mounting seat 18, then the first nut 15 is mounted, the second rubber ring 21 is sleeved on the other end of the first middle pipe 5, then the first PVC pipe is sleeved in the second rubber ring 21, the two fastening pieces 8 are placed on the outer surface of the second rubber ring 21, then the second fastening bolt 7 sequentially penetrates through the two connecting seats 6, then the second nut 20 is mounted, the operation is repeated on the other end of the movable hose 1, the matched second middle pipes 11 are selected to be connected according to the second PVC pipes 10 with different diameters, the second rubber ring 21 with different diameters and different fasteners are selected to be installed according to the conditions.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a PVC pipeline connection structure, includes activity hose (1), first intermediate pipe (5) and fastener (8), its characterized in that: side fixed mounting of activity hose (1) has joint ring (2), threaded connection pipe (3) are installed to the inside screw thread of joint ring (2) another side, the surface screw thread intercommunication of threaded connection pipe (3) has mouth-piece (4), the surface fixed mounting of mouth-piece (4) has first mount pad (18), draw-in groove (17) have been seted up to the inside of first mount pad (18), the side fixed mounting of first intermediate tube (5) has second mount pad (13), the side fixed mounting of second mount pad (13) has pothook (16), the other end of pothook (16) runs through draw-in groove (17) and with the side looks joint of draw-in groove (17), first fastening bolt (14) are installed to the inside screw thread of second mount pad (13), the other end of first fastening bolt (14) runs through second mount pad (13) and first mount pad (18) in proper order and extends to the left side of first mount pad (18) A first nut (15) is installed on the side of the first middle pipe (5) in a threaded manner, an annular groove (12) is formed in the side surface of the first middle pipe, a first rubber ring (19) is fixedly bonded in the annular groove (12), a second rubber ring (21) is fixedly sleeved on the outer surface of the first middle pipe (5), the first middle pipe (5) is fixedly communicated with a first PVC pipe (9) through a second rubber ring (21), the outer surface of the second rubber ring (21) is sleeved with the fastener (8), a connecting seat (6) is fixedly connected to the side surface of the fastening piece (8), a second fastening bolt (7) is installed in the connecting seat (6) through threads, the other end of the second fastening bolt (7) penetrates through the other connecting seat (6) and extends to the upper part of the other connecting seat (6), and a second nut (20) is installed on the other connecting seat (6) in a threaded mode.

2. The PVC pipe connection structure according to claim 1, wherein: the other side surface of the movable hose (1) is fixedly communicated with a second middle pipe (11) through a mouth piece (4), and the second middle pipe (11) is fixedly communicated with a second PVC pipe (10) through another fastener (8).

3. A PVC pipe connection structure according to claim 2, characterized in that: the pipe diameter of the first middle pipe (5) is different from that of the second middle pipe (11), and the pipe diameter of the first PVC pipe (9) is different from that of the second PVC pipe (10).

4. the PVC pipe connection structure according to claim 1, wherein: the movable hose (1) is a corrugated pipe, and the maximum bending angle of the movable hose (1) is 90 degrees.

5. The PVC pipe connection structure according to claim 1, wherein: the diameter value of the inner ring of the second rubber ring (21) is slightly smaller than the outer diameter value of the first PVC pipe (9), and the thickness value of the first rubber ring (19) is slightly larger than the height value of the annular groove (12).

6. The PVC pipe connection structure according to claim 1, wherein: the side surface of the interface tube (4) is provided with a groove which is matched with the first rubber ring (19) and is the same as the annular groove (12).