CN209909389U

CN209909389U - PP-R pipeline connector

Info

Publication number: CN209909389U
Application number: CN201920673060.8U
Authority: CN
Inventors: 杨利忠
Original assignee: Fujian Fuhua Pipe Industry Co Ltd
Current assignee: Fujian Fuhua Pipe Industry Co Ltd
Priority date: 2019-05-13
Filing date: 2019-05-13
Publication date: 2020-01-07
Anticipated expiration: 2029-05-13

Abstract

The utility model discloses a PP-R pipeline connector, which has a simple structure, a first connector is sleeved at one end of the first PP-R pipeline, a second connector is sleeved at one end of the second PP-R pipeline, the second connector is inserted into the first connector, at the moment, a tooth socket is meshed with a gear, the gear drives a tooth block and a mandrel to rotate, the tooth block drives a contact block to rotate and to abut against the second connector, the second connector is fixed, meanwhile, the mandrel drives a ratchet to rotate, a pawl abuts against the ratchet under the action of a torsion spring, the ratchet can only rotate clockwise under the clamping action of the pawl, so that the second connector can only move towards the direction of the first connector, the first connector and the second connector are in closer contact, the effect of convenient installation of fixed connection is achieved through a simple structure, has strong practicability.

Description

PP-R pipeline connector

Technical Field

The utility model relates to the field of pipelines, specifically a PP-R pipe connection head.

Background

The random copolymerization polypropylene (PP-R) pipeline has the unique advantages of light weight, no scale formation, good chemical stability, low energy consumption, good hydraulic performance, construction comprehensive cost saving and the like, and has raised a green revolution in the field of water supply and drainage, thereby being a plastic pipeline with the largest usage amount in the water supply pipe of the prior building.

However, when the PP-R pipes are butted, since the joints are not tightly connected, water leakage may occur over time, and the conventional joint connection method is complicated, and installation efficiency is low due to a large number of screws.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a PP-R pipe connection head to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a PP-R pipeline connector comprises a first PP-R pipeline, a second PP-R pipeline, a first connector fixedly sleeved on the first PP-R pipeline and a second connector fixedly sleeved on the second PP-R pipeline, wherein two symmetrical grooves are formed in the side wall, close to the second connector, of the first connector;

the connecting device is connected to the side wall of the groove;

the connecting device comprises a mandrel, a gear, a tooth block, a contact block, a ratchet wheel, a pawl, a torque spring and a knob, wherein the mandrel is rotatably connected onto the side wall of the groove, the gear is fixedly sleeved on the mandrel, a tooth groove corresponding to the gear is formed in the second connector, the gear is meshed with the tooth block, the side wall of one end of the tooth block is connected into an annular chute formed in the side wall of the groove in a sliding mode through a support, the contact block is connected onto the side wall of the other end of the tooth block through a connecting rod, the contact block is abutted against the second connector, the ratchet wheel is fixedly sleeved on the mandrel, the pawl is meshed with the ratchet wheel, the side wall of one end of the pawl is rotatably connected onto the side wall of the groove through a long rod, the torque spring is sleeved on the long rod, one end of the torque spring is fixedly connected onto the, and the side wall of the other end of the pawl is fixedly connected with a knob.

Preferably, the second connector is fixedly connected with a rubber ring on the side wall close to the first connector, and the first connector is provided with an annular groove corresponding to the rubber ring.

Preferably, one end of the contact block close to the second connector is arc-shaped.

Preferably, the knob is provided with anti-skid grains.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the rubber ring can play a certain role in sealing, so that water leakage is prevented;

2. the contact block is abutted against the second connector, so that the first connector is tightly contacted with the second connector;

3. the first connector and the second connector are contacted more tightly through the meshing structure of the gear tooth grooves, and the first connector and the second connector are not easy to separate through the ratchet wheel and the pawl;

4. the second connector is inserted into the first connector, so that the installation can be carried out easily and conveniently;

the fixing connection and the installation are convenient through a simple structure, and the practicability is high.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of the structure A-A.

In the figure: 1. a first PP-R pipe; 2. a second PP-R pipe; 3. a first connector; 4. a second connector; 5. a rubber ring; 6. a gear; 7. a tooth block; 8. a contact block; 9. a ratchet wheel; 10. a pawl; 11. a torsion spring; 12. a knob.

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. 1-2, the present invention provides a technical solution:

a PP-R pipeline connector comprises a first PP-R pipeline 1, a second PP-R pipeline 2, a first connector 3 fixedly sleeved on the first PP-R pipeline 1 and a second connector 4 fixedly sleeved on the second PP-R pipeline 2, wherein two symmetrical grooves are formed in the side wall, close to the second connector 4, of the first connector 3, a rubber ring 5 is fixedly connected to the side wall, close to the first connector 3, of the second connector 4, and an annular groove corresponding to the rubber ring 5 is formed in the first connector 3 to prevent water leakage;

the connecting device is connected to the side wall of the groove;

the connecting device comprises a mandrel, a gear 6, a tooth block 7, a contact block 8, a ratchet wheel 9, a pawl 10, a torsion spring 11 and a knob 12, the mandrel is rotatably connected on the side wall of the groove, the gear 6 is fixedly sleeved on the mandrel, a tooth socket corresponding to the gear 6 is arranged on the second connector 4, the gear 6 is meshed with the tooth block 7, one end side wall of the tooth block 7 is connected into an annular chute arranged on the side wall of the groove in a sliding manner through a support, the contact block 8 is connected onto the other end side wall of the tooth block 7 through a connecting rod, the contact block 8 is abutted against the second connector 4, one end of the contact block 8 close to the second connector 4 is arc-shaped to prevent the second connector 4 from being damaged, the ratchet wheel 9 is fixedly sleeved on the mandrel, the ratchet wheel 9 is meshed with the pawl 10, one end side wall of the pawl 10 is rotatably connected onto the side wall of the groove through a long rod, the other end of the torsion spring 11 is fixedly connected to the side wall of the groove, the side wall of the other end of the pawl 10 is fixedly connected with a knob 12, and anti-skid grains are arranged on the knob 12, so that the rotation is convenient.

The working principle is as follows: sleeving a first connector 3 at one end of a first PP-R pipeline 1, sleeving a second connector 4 at one end of a second PP-R pipeline 2, inserting the second connector 4 into the first connector 3, meshing a gear 6 with a tooth socket at the moment, driving a tooth block 7 and a mandrel to rotate by the gear 6, driving a contact block 8 to rotate by the tooth block 7 and abut against the second connector 4 to fix the second connector 4, driving a ratchet 9 to rotate by the mandrel, abutting the ratchet 9 by a pawl 10 under the action of a torsion spring 11, and enabling the ratchet 9 to only rotate clockwise under the clamping action of the pawl 10, so that the second connector 4 can only move towards the first connector 3, and the first connector 3 and the second connector 4 are in closer contact;

when the first PP-R pipeline 1 and the second PP-R pipeline 2 need to be separated, the knob 12 is rotated anticlockwise, at the moment, the ratchet wheel 9 loses the clamping effect of the pawl 10, and the second connector 4 can be conveniently taken out of the first connector 3;

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. A PP-R pipeline connector comprises a first PP-R pipeline (1), a second PP-R pipeline (2), a first connector (3) fixedly sleeved on the first PP-R pipeline (1) and a second connector (4) fixedly sleeved on the second PP-R pipeline (2), wherein two symmetrical grooves are formed in the side wall, close to the second connector (4), of the first connector (3);

the method is characterized in that: the connecting device is connected to the side wall of the groove;

the connecting device comprises a mandrel, a gear (6), a tooth block (7), a contact block (8), a ratchet wheel (9), a pawl (10), a torque spring (11) and a knob (12), the mandrel is rotatably connected to the side wall of the groove, the gear (6) is fixedly sleeved on the mandrel, a tooth groove corresponding to the gear (6) is formed in the second connector (4), the gear (6) is meshed with the tooth block (7), one end side wall of the tooth block (7) is connected into an annular sliding groove formed in the side wall of the groove in a sliding mode through a support, the contact block (8) is connected to the side wall of the other end of the tooth block (7) through a connecting rod, the contact block (8) is abutted against the second connector (4), the ratchet wheel (9) is fixedly sleeved on the mandrel, the ratchet wheel (9) is meshed with the pawl (10), one end side wall of the pawl (10) is connected to the side wall of, the long rod is sleeved with a torsion spring (11), one end of the torsion spring (11) is fixedly connected to the pawl (10), the other end of the torsion spring (11) is fixedly connected to the side wall of the groove, and the other end of the pawl (10) is fixedly connected with a knob (12).

2. The PP-R pipe joint of claim 1, wherein: fixedly connected with rubber ring (5) on the lateral wall that second connector (4) is close to first connector (3), set up the annular groove corresponding with rubber ring (5) on first connector (3).

3. The PP-R pipe joint of claim 1, wherein: one end of the contact block (8) close to the second connector (4) is arc-shaped.

4. The PP-R pipe joint of claim 1, wherein: the knob (12) is provided with anti-skid lines.