CN110953423A

CN110953423A - Method for disassembling quick connector of water pipe

Info

Publication number: CN110953423A
Application number: CN201911287646.1A
Authority: CN
Inventors: 王德明
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-14
Filing date: 2019-12-14
Publication date: 2020-04-03

Abstract

The invention discloses a method for disassembling a quick joint of a water pipe, wherein a clamping ring is axially and fixedly arranged in the quick joint, a plurality of clamping jaws which obliquely extend towards the inside of the quick joint are integrally formed at the inner edge of the clamping ring, a water pipe inserting end is inserted in the clamping ring, and the end parts of the clamping jaws elastically abut against the outer peripheral surface of the water pipe. The quick connector is also internally provided with a disassembling ring which is sleeved on the periphery of the insertion end of the water pipe, the outer end of the disassembling ring extends out of the quick connector, and the inner end of the disassembling ring extends into the position of the clamping jaw. The pressing piece is sleeved on the water pipe from the socket, the water pipe is inserted in the sleeve hole, the outer edge part of the sleeve hole on the pressing piece is abutted against the outer end part of the disassembling ring, the force is applied to the disassembling ring towards the direction of the quick connector by the pressing piece, the inner end of the disassembling ring is abutted against the clamping jaw, the outer end of the clamping jaw is disengaged from the water pipe, and the water pipe is pumped and/or the quick connector is pushed to realize the disengagement between the water pipe and the quick connector.

Description

Method for disassembling quick connector of water pipe

Technical Field

The invention relates to a disassembling method, in particular to a disassembling method for realizing the disassembly between a quick connector and a water pipe in the field of water supply pipelines.

Background

The structure of the household water supply system comprises a water supply pipeline, wherein the water supply pipeline is formed by connecting a plurality of water pipes with each other, and the water supply pipes are communicated with each other. The arrangement of a water supply system is realized, and the problem that the connection of water pipes cannot be met is avoided. The water supply pipe has several forms of galvanized pipe, plastic pipe, composite pipe and red copper pipe, the galvanized pipe is usually connected and fixed by means of screw joint, the plastic pipes are usually connected by means of hot-press, and the composite pipe and red copper pipe can be connected by means of quick-acting joint. The quick connector can quickly realize the connection and fixation between the water supply pipes, and is convenient and simple to operate, so that the quick connector is widely applied to household water supply systems. The household water supply system inevitably breaks down in the using process, so that the problem of disassembling and repairing the water supply pipeline is faced. Under the existing conditions, when a water supply pipeline connected with the quick connector in a clamping manner is faced, the water pipe can be cut off to remove the quick connector, and the water pipe and the quick connector are rearranged to replace a fault part; or the claw in the quick joint can be separated from the water pipe by operating the dismounting structure on the quick joint, so that the separation between the water pipe and the quick joint is realized. Under the existing condition, a proper operation tool is not used for operating the dismounting structure on the quick connector, so that the quick connector can be replaced only by a method of cutting off a water pipe in the actual application process, and the operation is troublesome and wasted.

Disclosure of Invention

The technical problems to be solved by the invention are as follows: the method for disassembling the quick connector of the water pipe can conveniently realize the disassembly of the quick connector and is convenient for the quick connector to be separated from the inserting end of the water pipe.

In order to solve the technical problem, the technical scheme of the invention is as follows: a water pipe quick coupling disassembling method, in order to realize the disassembling between quick coupling and the plug-in end of the water pipe, there are collars axially fixedly in the said quick coupling, there are several jack catches that stretch out towards the inside oblique of quick coupling at the inner edge of the collar integrally, the plug-in end of the water pipe is inserted in the collar, the end of the jack catch is supported on the perimeteric surface of the water pipe elastically, there are rings of disassembling in the quick coupling, the ring of disassembling is connected to the periphery of the plug-in end of the water pipe, the outer end of the ring of disassembling stretches out the outside of the quick coupling, the inner end of the ring of disassembling stretches into the position of the jack catch, characterized by, choose the casting die to dismantle the ring, there are trepanning in the casting die, there are;

the pressing piece is sleeved on the water pipe from the socket, the water pipe is inserted in the sleeve hole, the outer edge part of the sleeve hole on the pressing piece is abutted against the outer end part of the disassembling ring, the force is applied to the disassembling ring towards the direction of the quick connector by the pressing piece, the inner end of the disassembling ring is abutted against the clamping jaw, the outer end of the clamping jaw is disengaged from the water pipe, and the water pipe is pumped and/or the quick connector is pushed to realize the disengagement between the water pipe and the quick connector.

The quick connector is formed at the end of another water pipe, or the quick connector is formed at the end of a tee joint, an elbow joint or a straight pipe. When the pressing piece is used for realizing the detachment between the quick connector and the water pipe, generally, a person operates with one hand, the person holds the quick connector with the hand, the index finger and the middle finger press the pressing piece from two opposite sides of the water pipe, the pressing piece is used for pressing the detaching ring, and the detaching ring pushes away the clamping jaws so as to realize the detachment between the water pipe insertion end and the quick connector.

Furthermore, the spigot on the selected pressing piece is slightly smaller than the outer diameter of the water pipe. This is convenient for cup joint the casting die on the outer peripheral face of water pipe steadily, conveniently unloads the circle through the casting die and operates.

Furthermore, the casting die that selects is C shape, and the department integrated into one piece has the extension of bar respectively at the both ends of socket on the casting die, and two extensions are parallel and radially symmetrical setting at the casting die. Through the laminating of extension and finger, and make things convenient for the application of force of finger to the casting die, the operation is dismantled to artifical one hand of being convenient for.

Furthermore, a groove is arranged in the pressing piece, the groove extends to the position of the extending part, when the disassembly operation is carried out on the disassembly ring, the outer end face of the inner side wall of the groove is abutted against the outer end face of the disassembly ring, and then the pressing piece is pushed towards the disassembly ring direction. The pressing piece is generally made of plastic and provided with a groove, so that the pressing piece is light in weight, low in preparation cost and flexible and light in ring disassembling operation.

Furthermore, the limit structure is arranged in the quick joint to limit the axial moving distance of the ring unloading. This can effectively alleviate the application of force to the casting die for the dismantlement operation is light, can prevent moreover to unload the circle and excessively bulldoze the jack catch and damage the jack catch to the jack catch, when stopping to the casting die application of force, the jack catch also can reset in time.

Furthermore, a supporting surface is formed on the inner wall surface of the quick connector and axially supports the gasket, and a plurality of limiting columns are arranged on one end surface of the gasket facing the ring unloading, so that the limiting columns are inserted into the space between the two adjacent clamping claws, and the axial moving distance of the ring unloading is limited by the abutting of the limiting columns and the opposite end surfaces of the ring unloading. The limiting column is used as a limiting structure, is simple in structure and convenient to set, and can be well adapted to the structure in the quick connector. The limiting structure may be replaced by a pair of inward-protruding rings formed on the inner peripheral surface of a pressing cylinder, the inner peripheral surface of the lower-side protruding ring may be provided with a conical surface, the outer peripheral surface of the outward-protruding ring on the outer peripheral surface of the unloading ring may be provided with an inverted conical surface, and the unloading ring may be assembled into the pressing cylinder so that the outward-protruding ring is inserted into the pair of inward-protruding rings, thereby forming the limiting structure for axially limiting the unloading ring.

Furthermore, the support ring is arranged on the gasket, the pressing cylinder is arranged in the quick connector, the pressing cylinder and the support ring axially limit the clamping ring on two opposite sides of the clamping ring, and the clamping jaws and the limiting columns are arranged in the support ring. The axial stability of the clamping ring is good, and the inserting end of the water pipe can be stably inserted into the clamping ring. The setting of support ring also can adapt to the deformation of jack catch well.

Further, the limit post, the support ring and the washer are integrally formed, and the inner end portion of the pressure cylinder is crimped to the washer. The gasket, the limiting column and the support ring are made of hard plastics, so that the production is convenient, the manufacturing cost is low, and the installation is convenient.

Furthermore, the gasket and the limiting column are integrally formed, and a circular skirt is integrally formed on the gasket, so that the support ring is inserted between the skirt and the limiting column, and the skirt is matched with the peripheral surface of the insertion end of the support ring. The gasket, the limiting column and the skirt portion are generally made of metal materials, a good supporting effect can be provided for axial movement of the unloading ring, and the matching stability of the supporting ring and the gasket is good.

Furthermore, a circular ring-shaped limiting ring is arranged on one end face, facing the ring unloading direction, of the gasket in a fitting mode, the limiting column is integrally formed on the limiting ring, a circular ring-shaped sleeve joint portion is integrally formed on the limiting ring on the outer side of the limiting column, the supporting ring is inserted into the sleeve joint portion in a plug-in mode, and the sleeve joint portion is attached to the outer peripheral face of the inserting end of the supporting ring. The limiting piece is generally made of metal materials, the matching stability of the limiting piece and the supporting ring is good, and a good limiting effect can be provided for the axial movement of the unloading ring.

Therefore, the invention has the following beneficial effects: the pressing piece is adopted in the method for disassembling the quick connector of the water pipe, and the pressing piece is sleeved on the outer peripheral surface of the water pipe, so that the stress area of the end part of the disassembling ring can be increased, and the disassembling ring can receive external force application conveniently. The outer edge of the trepanning on the pressing piece is attached to the outer end face of the unloading ring, so that the acting force of the pressing piece on the unloading ring is uniform, and the pressing piece can push the unloading ring to move forwards stably in the axial direction. When realizing dismantling, the operative employee can singlehanded grip quick-operation joint, and two fingers are to the casting die application of force, can unload the circle towards the inside propelling movement of quick-operation joint for the inner of unloading the circle bulldozes the jack catch, and makes the tip of jack catch and the outer peripheral face of water pipe grafting end throw off mutually, thereby convenient dismantlement between water pipe and the quick-operation joint. In the process of realizing disassembly, the quick connector cannot be damaged generally, and after corresponding parts are replaced, the quick connector can be also normally and quickly connected with a water pipe.

Drawings

FIG. 1 is a schematic view showing an operation state of the method for removing the quick coupling of the water pipe.

FIG. 2 is a schematic view showing another operation state of the method for removing the quick coupling of the water pipe.

FIG. 3 is a longitudinal sectional view showing the water pipe and the tee with the quick coupling being engaged.

Fig. 4 is an enlarged longitudinal sectional view of the platen.

FIG. 5 is a schematic view of an embodiment of the arrangement of the support ring, the spacing post and the washer, which are cut longitudinally.

FIG. 6 is an enlarged longitudinal cross-sectional view of another embodiment of a washer and a spacing post disposed together.

Fig. 7 is a schematic view of an arrangement of a collar, support ring and retaining post of yet another embodiment, taken longitudinally in cross-section.

FIG. 8 is a structural view of a pressing member.

FIG. 9 is a longitudinal cross-sectional view of a compression element.

In the figure, 1, a quick connector; 2. pressing parts; 3. a water pipe; 4. disassembling the ring; 41. an outward convex ring; 5. an O-shaped sealing ring; 6. pressing the cylinder; 61. an upper shoulder; 62. a lower shoulder; 7. a collar; 71. a claw; 8. a support ring; 9. a socket joint part; 10. a limiting ring; 11. a limiting column; 12. a gasket; 121. looping; 13. a skirt portion; 14. a groove; 15. a protruding portion; 16. trepanning; 17. and (4) inserting the socket.

Detailed Description

The method for disassembling the quick coupling of the water pipe is used for realizing the disassembly between the quick coupling 1 and the inserting end of the water pipe 3 by combining the attached drawings of the specification, and mainly utilizes the pressing piece 2 to manually act on the disassembling ring 4 so as to enable the inserting end of the water pipe 3 to be separated from the quick coupling 1.

The quick connector 1 related by the method is internally and axially fixedly provided with a clamping ring 7, and the clamping ring 7 is made of stainless steel and has certain hardness and elasticity. A plurality of claws 71 which extend obliquely towards the interior of the quick connector 1 are integrally formed at the inner edge of the clamping ring 7, and the claws 71 are uniformly distributed at intervals along the circumferential direction of the clamping ring 7. When the quick connector 1 is connected with the water pipe 3, the inserting end of the water pipe 3 is inserted into the quick connector 1 from the outer side, the inserting end of the water pipe 3 can penetrate into the quick connector 1 and is inserted into the clamping ring 7, the end part of the clamping jaw 71 elastically abuts against the outer peripheral surface of the water pipe 3, the end part of the clamping jaw 71 is clamped on the outer peripheral surface of the inserting end of the water pipe 3, the inserting end of the water pipe 3 is limited to move towards the outer side of the quick connector 1, and the connection and the fixation between the water pipe 3 and the quick connector 1 are realized.

The quick connector 1 is also internally provided with a disassembling ring 4, the disassembling ring 4 is cylindrical, and the inserting end of the water pipe 3 is inserted into the disassembling ring 4 with a gap. The outer end of the unloading ring 4 extends out of the quick connector 1, the inner end of the unloading ring 4 extends into the position of the claw 71, and a chamfer surface is further formed on the outer peripheral surface of the inner end of the unloading ring 4 so as to be attached to and pushed against the surface of the claw 71.

When the disassembly operation is carried out, the press piece 2 is selected to carry out the disassembly operation on the disassembly ring 4, a trepan 16 is arranged in the selected press piece 2, a socket 17 is arranged on the side part of the press piece 2, and the socket 17 is communicated with the trepan 16. The pressing piece 2 is sleeved on the water pipe 3 from the socket 17, and the water pipe 3 is inserted in the sleeve hole 16. The pressing piece 2 is pushed towards the direction of the quick connector 1, so that the outer edge part of the trepan boring 16 on the pressing piece 2 is abutted against the outer end part of the ring unloading 4. The quick connector 1 is held by hand, the index finger and the middle finger are lapped on the pressing piece 2 from two opposite sides of the water pipe 3, the pressing piece 2 is applied with force by the two fingers, the pressing piece 2 pushes the unloading ring 4 to move towards the direction of the claw 71, the inner end of the unloading ring 4 is pressed against the claw 71, the outer end of the claw 71 is separated from the water pipe 3, and the water pipe 3 is pumped and/or the quick connector 1 is pushed to realize the separation between the water pipe 3 and the quick connector 1.

The pressing part 2 is corresponding to the diameter of the water pipe 3, but the socket 17 on the pressing part 2 is generally required to be slightly smaller than the outer diameter of the water pipe 3, and after the pressing part 2 is sleeved on the water pipe 3, the pressing part 2 can be kept on the water pipe 3. The pressing member 2 may be plate-shaped or circular. In the figure, the selected pressing member 2 is C-shaped, strip-shaped extending portions 15 are respectively and integrally formed at two ends of the insertion opening 17 on the pressing member 2, and the two extending portions 15 are parallel and symmetrically arranged in the radial direction of the pressing member 2. In order to make the pressing piece 2 light and convenient, a groove 15 is arranged in the pressing piece 2, the groove 15 extends to the position of the protruding part 15, when the disassembling ring 4 is disassembled, the outer end face of the inner side wall of the groove 15 is abutted against the outer end face of the disassembling ring 4, and then the pressing piece 2 is pushed by fingers towards the disassembling ring 4.

Can come to prescribe a limit to the axial displacement distance of unloading circle 4 through the form that sets up limit structure in quick-operation joint 1 to 4 application of force excessive to unloading circle, the limit structure that shows in the figure is many spacing posts 11, and these spacing posts 11 set up along quick-operation joint 1's axial, and these spacing posts 11 are at the circumference equipartition of packing ring 12. The arrangement position of the limit column 11 corresponds to the position of the wall body of the unloading ring 4, and the axial moving distance of the unloading ring 4 is limited by the abutting of the end part of the limit column 11 and the inner end of the unloading ring 4.

A support surface is formed on the inner wall surface of the quick coupling 1, the support surface axially supports the gasket 12, the limiting posts 11 are arranged on one end surface of the gasket 12 facing the ring unloading 4, and the limiting posts 11 are respectively inserted into the space between two adjacent clamping claws 71. In order to axially position the collar 7 in the quick coupling 1, a support ring 8 is arranged on the end face of the washer 12 facing the removal ring 4, a pressure cylinder 6 is arranged in the quick coupling 1, and the pressure cylinder 6 and the support ring 8 axially press-contact the collar 7 on opposite sides of the collar 7. The support ring 8 is circular, the inner circumferential surface of the support ring 8 is a conical surface, the large head end of the inner circumferential surface faces the clamping ring 7, and the clamping ring 7 is attached to the end surface of the support ring 8. The pressure cylinder 6 is cylindrical, a lower shoulder 62 is formed on the inner wall surface of the pressure cylinder 6, and the lower shoulder 62 is pressed against the retainer 7. The unloading ring 4 is inserted in the pressing cylinder 6, an outward convex ring 41 is integrally formed on the outer peripheral surface of the unloading ring 4, an upper convex shoulder 61 is formed on the inner wall surface of the cylinder, the outward convex ring 41 on the unloading ring 4 is positioned on the inner side of the upper convex shoulder 61, and the unloading ring 4 is stably kept in the pressing cylinder 6 under the action of the upper convex shoulder 61. The end of the wall body of the quick coupler 1 is crimped to the shoulder of the pressure cylinder 6 by the necking operation, so that the pressure cylinder 6 is stably held in the quick coupler 1.

The spacing post 11 is shown in three configurations. In fig. 5, an embodiment is shown, in which the spacing post 11, the support ring 8 and the washer 12 are integrally formed of plastic. An annular opening 121 is formed at the outer edge of the washer 12, and when assembling, the inner end part of the pressing cylinder 6 is inserted into the annular opening 121 to realize the compression joint of the washer 12. Fig. 6 shows another embodiment, in which the gasket 12 and the position-limiting column 11 are integrally formed, and a circular skirt 13 is integrally formed on the gasket 12, and the position-limiting column 11, the gasket 12 and the skirt 13 are made of metal. During assembly, the support ring 8 is inserted between the skirt portion 13 and the limiting column 11, and the skirt portion 13 is matched with the outer peripheral surface of the insertion end of the support ring 8. Fig. 7 shows another embodiment, a circular ring-shaped limiting ring 11 is attached to an end surface of the gasket 12 facing the ring-removing portion 4, the limiting ring 11 is made of metal, the limiting post 11 is integrally formed on the limiting ring 11, and a circular ring-shaped sleeve portion 9 is further integrally formed on the limiting ring 11 at an outer side of the limiting post 11. After the limiting ring 11 is attached to the end face of the gasket 12, the supporting ring 8 is inserted into the sleeve joint part 9, and the sleeve joint part 9 is attached to the outer peripheral surface of the insertion end of the supporting ring 8.

A step is formed at the inner end of the quick coupling 1, and a mounting cavity is formed between the step and the gasket 12, in which the O-ring 5 is disposed. Referring to fig. 3, when the water pipe 3 is connected with the quick coupling 1 in an inserting manner, the inserting end of the water pipe 3 extends into the mounting cavity, and the O-shaped sealing ring 5 is sleeved on the periphery of the inserting end, so that the liquid seal between the water pipe 3 and the quick coupling 1 is realized.

Claims

1. A water pipe quick coupling disassembling method, in order to realize the disassembling between quick coupling and the plug-in end of the water pipe, there are collars axially fixedly in the said quick coupling, there are several jack catches that stretch out towards the inside oblique of quick coupling at the inner edge of the collar integrally, the plug-in end of the water pipe is inserted in the collar, the end of the jack catch is supported on the perimeteric surface of the water pipe elastically, there are rings of disassembling in the quick coupling, the ring of disassembling is connected to the periphery of the plug-in end of the water pipe, the outer end of the ring of disassembling stretches out the outside of the quick coupling, the inner end of the ring of disassembling stretches into the position of the jack catch, characterized by, choose the casting die to dismantle the ring, there are trepanning in the casting die, there are;

the pressing piece is sleeved on the insertion pipe from the socket, the insertion pipe is inserted in the sleeve hole, the outer edge part of the sleeve hole on the pressing piece is abutted against the outer end part of the disassembling ring, the force is applied to the disassembling ring towards the direction of the quick connector by the pressing piece, the inner end of the disassembling ring is abutted against the clamping jaw, the outer end of the clamping jaw is disengaged from the insertion pipe, and the water pipe is pumped and/or the quick connector is pushed to realize the disengagement between the water pipe and the quick connector.

2. The method of claim 1, wherein the press member is selected to have a socket slightly smaller than the outer diameter of the water pipe.

3. The method for disassembling a quick coupling for a water pipe as claimed in claim 1, wherein the pressing member is formed in a C-shape, and strip-shaped protrusions are integrally formed at both ends of the socket on the pressing member, respectively, and the two protrusions are arranged in parallel and symmetrically in a radial direction of the pressing member.

4. The method for disassembling a quick coupling for a water pipe according to claim 3, wherein a groove is formed in the pressing member, the groove extends to a position of the protruding portion, and when the ring is disassembled, an outer end surface of an inner side wall of the groove abuts against an outer end surface of the ring, and then the pressing member is pushed toward the ring disassembling direction.

5. The method for disassembling the quick coupling of the water pipe according to any one of claims 1 to 4, wherein the limitation of the axial moving distance of the disassembling ring is realized by arranging a limiting structure in the quick coupling.

6. The method for disassembling the quick coupling of the water pipe according to claim 5, wherein a support surface is formed on the inner wall surface of the quick coupling, the support surface axially supports the gasket, a plurality of limiting posts are arranged on one end surface of the gasket facing the disassembling ring, the limiting posts are inserted into the space between the two adjacent clamping jaws, and the axial moving distance of the disassembling ring is limited by the abutting of the limiting posts and the opposite end surfaces of the disassembling ring.

7. The method of removing a quick connector for water pipes according to claim 6, wherein the collar is axially retained by the pressure cylinder and the support ring on opposite sides of the collar by providing the support ring on the washer and the pressure cylinder in the quick connector, and the jaws and the retaining posts are disposed in the support ring.

8. The method for disassembling a quick coupling for a water pipe according to claim 7, wherein the stopper, the support ring and the washer are integrally formed, and an inner end portion of the pressure cylinder is press-fitted to the washer.

9. The method of removing a quick coupling for a water pipe as claimed in claim 7, wherein the washer and the stopper post are integrally formed, and a circular skirt is integrally formed on the washer such that the support ring is inserted between the skirt and the stopper post, the skirt being fitted to an outer circumferential surface of the insertion end of the support ring.

10. The method for disassembling a quick coupling of a water pipe according to claim 7, wherein a circular ring-shaped limiting ring is attached to an end surface of the gasket facing the disassembling ring, so that the limiting post is integrally formed on the limiting ring, and a circular ring-shaped sleeve portion is integrally formed on the limiting ring at an outer side of the limiting post, so that the support ring is inserted into the sleeve portion, and the sleeve portion is attached to an outer peripheral surface of the insertion end of the support ring.