Water supply pipe quick connector capable of being automatically locked and reinforced

Abstract

The utility model discloses an automatic locking and reinforcing water supply pipe quick connector which comprises a quick connector inner threaded sleeve and quick connector outer threaded sleeves connected to the two ends of the quick connector inner threaded sleeve in a threaded mode, and sealing assemblies are arranged in the two ends of the quick connector inner threaded sleeve. A self-locking reinforcing assembly is arranged in a sleeve body of the quick connector internal thread sleeve and comprises a pressing ring arranged in a groove formed in the inner wall of the sleeve body in the middle of the quick connector internal thread sleeve, an inner cylinder is sleeved with the pressing ring, and the diameters of the two ends of the inner cylinder are larger than the diameter of the middle of the inner cylinder. Side-by-side annular outer tooth buckles are arranged on the outer walls of the two ends of the inner cylinder, tooth grooves are formed in the positions, corresponding to the outer tooth buckles, of the inner wall of the quick connector inner thread sleeve, and the outer tooth buckles are matched with the tooth grooves. A set of self-locking reinforcing assembly is additionally arranged in an original quick connector, the outer tooth buckles are clamped in the tooth grooves, the outer tooth buckles are extruded and fastened by water supply pressure to form transverse pressure, and the effect of automatic locking and reinforcing is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to quick coupling technical field especially relates to a water supply pipe quick coupling of automatic locking reinforcement. BACKGROUND

[0002] Quick coupling is a kind of joint that can realize the quick connection of pipeline without tools.In the process of engineering construction, because the original drawing pipeline position is not clear or there is position deviation, mechanical damage to pipeline may occur, and this situation is mostly in water supply pipeline, and directly affects the domestic water, and the quick coupling is commonly used to connect on site.The original quick coupling is fast and convenient to construct, but the common quick coupling only seals the longitudinal force of water supply pipe by sealing ring, and the mechanical disturbance in subsequent construction can make the original quick coupling loose and leak. CONTENT

[0003] The utility model aims at providing a water supply pipe quick coupling of automatic locking reinforcement to solve the above problems.

[0004] To solve the above technical problems, the utility model adopts the following technical scheme:

[0005] The utility model relates to a water supply pipe quick coupling of automatic locking reinforcement, which comprises a quick coupling inner sleeve and a quick coupling outer sleeve threadedly connected on both ends of the quick coupling inner sleeve, the both ends of the quick coupling inner sleeve are internally provided with sealing assemblies, and the sealing assemblies are controlled to be tightly sealed by the quick coupling outer sleeve; the sleeve body of the quick coupling inner sleeve between the two quick coupling outer sleeves is internally provided with a self-locking reinforcement assembly, the self-locking reinforcement assembly comprises a pressing ring arranged in a groove on the inner wall of the sleeve body at the middle position of the quick coupling inner sleeve, the pressing ring is sleeved on an inner cylinder, the diameters of both ends of the inner cylinder are larger than the diameter of the middle part, a plurality of annular external toothed buckles are arranged on the outer walls of both ends of the inner cylinder, annular tooth grooves corresponding to the external toothed buckles are arranged on the inner wall of the quick coupling inner sleeve, and the external toothed buckles and the tooth grooves are matched with each other.

[0006] Further, the sealing assembly comprises a plurality of annular fastening washers arranged in the both ends of the quick coupling inner sleeve and annular sealing strips arranged in the top grooves in the both ends of the quick coupling inner sleeve, one end of the annular fastening washer is arranged on the annular sealing strip, the other end of the annular fastening washer is away from the annular sealing strip, and the outer side surface of the other end is a bevel surface matched with the inner bevel surface of the quick coupling outer sleeve.

[0007] Further, the tooth grooves are arranged on the inner side of the annular sealing strip.

[0008] Further, one end of the quick coupling outer sleeve away from the self-locking reinforcement assembly is an expanded end.

[0009] Further, the inner sleeve of the quick connector is provided with an annular limiting plate for blocking the outer sleeve of the quick connector.

[0010] Compared with the prior art, the utility model has the beneficial technical effects that:

[0011] The utility model discloses a self-locking reinforcing assembly is added in the original quick connector, and the outer tooth buckle is clamped in the tooth groove, and the outer tooth buckle is extruded by water supply water pressure, and the both ends of the outer tooth buckle extend outward, so that the both ends of the outer tooth buckle can be pressed to the end of two water supply pipes, the water supply pipe can be subjected to the double pressure of longitudinal and transverse, the end of the water supply pipe is prevented from being only subjected to the longitudinal pressure of annular fastening gasket and being loose in the later period, and the effect of automatic locking and reinforcing is achieved. BRIEF DESCRIPTION OF DRAWINGS

[0012] The utility model will be further described below in combination with the drawings.

[0013] Fig. 1 It is cross section view for the automatic locking reinforcing water supply pipe quick connector of the utility model when using;

[0014] Fig. 2 It is cross section for the quick connector inner sleeve;

[0015] Mark explanation: 1, quick connector inner sleeve;2, quick connector outer sleeve;3, recess;4, press ring;5, inner cylinder;6, outer tooth buckle;7, tooth groove;8, annular limiting plate;9, annular fastening gasket;10, annular sealing strip. DETAILED DESCRIPTION

[0016] As Figs. 1-2 The utility model discloses a self-locking reinforcing water supply pipe quick connector, which comprises a quick connector inner sleeve 1 and a quick connector outer sleeve 2 threadedly connected on both ends of the quick connector inner sleeve 1, and the end of the quick connector outer sleeve 2 away from the self-locking reinforcing assembly is an expanded end. The quick connector inner sleeve 1 is provided with an annular limiting plate 8 for blocking the quick connector outer sleeve 2.

[0017] The sealing assembly is arranged inside the two ends of the inner sleeve 1 of the quick connector, the sealing assembly controls the shrinkage sealing through the outer sleeve 2 of the quick connector, the sealing assembly comprises annular fastening gaskets 9 arranged inside the two ends of the inner sleeve 1 of the quick connector and annular sealing strips 10 arranged on the top grooves inside the two ends of the inner sleeve 1 of the quick connector, one end of the annular fastening gasket 9 is arranged on the annular sealing strip 10, the other end of the annular fastening gasket 9 is arranged on the inner inclined surface of the outer sleeve 2 of the quick connector, the annular fastening gasket 3 is pressed by the inclined surface of the outer sleeve 2 of the quick connector, the annular fastening gasket 9 is pressed by the annular sealing strip 10, the annular sealing strip 10 is deformed and flattened under the pressure, and the pipeline is sealed.

[0018] The self-locking reinforcing assembly is arranged inside the sleeve body of the inner sleeve 1 of the quick connector between the two outer sleeves 2 of the quick connector, the self-locking reinforcing assembly comprises a pressing ring 4 arranged in the groove 3 on the inner wall of the middle position of the inner sleeve 1 of the quick connector, the pressing ring 4 is arranged on the inner cylinder 5, the diameters of the two ends of the inner cylinder 5 are greater than the diameter of the middle position, the inner cylinder 5 is deformable, a plurality of outer tooth buckles 6 are arranged on the outer wall of the two ends of the inner cylinder 5 and are arranged in parallel and in a ring shape, a plurality of tooth grooves 7 are arranged on the inner wall of the corresponding position of the inner sleeve 1 of the quick connector and are arranged in parallel and in a ring shape, the outer tooth buckle 6 and the tooth groove 7 are matched with each other, and the tooth groove 7 is arranged on the inner side of the annular sealing strip 10; because the outer end surface of the outer tooth buckle 6 is an inclined surface, the two ends of the outer tooth buckle are extended outward under the pressure of the water pressure of the water supply pipe, so that the two ends of the outer tooth buckle can be arranged on the end portions of the two water supply pipes, and the water supply pipe can be subjected to the longitudinal and transverse double pressures, the end portion of the water supply pipe is prevented from being loosened under the longitudinal pressure of the annular fastening gasket in the later period, and the self-locking reinforcing effect is achieved.

[0019] The operation process of the utility model is as follows:

[0020] The water supply pipe is cut at the damaged position, the cut surface is clean and neat, then the two cut water supply pipes are respectively inserted into the two ends of the inner sleeve 1 of the quick connector, then the outer sleeve 2 of the quick connector is rotated, the annular fastening gasket 9 and the annular sealing strip 10 are pressed and sealed, under the continuous water pressure of the water supply pipe in the later period of water supply, the outer tooth buckle 6 is outwardly pressed, the outer wall of the outer tooth buckle 6 is arranged on the side wall of the end portion of the water supply pipe, transverse force is applied to the water supply pipe, the reinforcing effect is achieved at the two ends of the port of the quick connector, and the situation of breaking is avoided.

[0021] The above-described embodiments are merely preferred modes of the present application, and are not intended to limit the scope of the present application, and various modifications and improvements to the technical solutions of the present application made by those of ordinary skill in the art without departing from the design spirit of the present application shall fall within the protection scope of the present application as defined by the claims.

Claims

1. An automatic locking reinforced water service pipe swivel, characterized by: The utility model provides a quick joint, which comprises a quick joint inner sleeve (1) and quick joint outer sleeves (2) threaded on both ends of the quick joint inner sleeve (1), both ends of the quick joint inner sleeve (1) are internally provided with sealing assemblies, the sealing assemblies are controlled to be shrink-sealed through the quick joint outer sleeves (2), the quick joint inner sleeve (1) is internally provided with a self-locking reinforcing assembly between the two quick joint outer sleeves (2), the self-locking reinforcing assembly comprises a pressing ring (4) arranged in a groove (3) on the inner wall of the quick joint inner sleeve (1) at the middle position, the pressing ring (4) is sleeved on an inner cylinder (5), the diameter of both ends of the inner cylinder (5) is larger than the diameter of the middle part, a plurality of outer tooth buckles (6) are arranged on the outer wall of both ends of the inner cylinder (5) in parallel and in a ring shape, tooth grooves (7) are arranged on the inner wall of the quick joint inner sleeve (1) in parallel and in a ring shape at positions corresponding to the outer tooth buckles (6), and the outer tooth buckles (6) and the tooth grooves (7) are matched with each other.

2. The self-locking reinforced water service pipe swivel as defined in claim 1, wherein: The sealing assemblies comprise annular fastening gaskets (9) arranged in the interiors of both ends of the quick joint inner sleeve (1) and annular sealing strips (10) arranged on the top grooves in the interiors of both ends of the quick joint inner sleeve (1), one end of the annular fastening gasket (9) is arranged on the annular sealing strip (10), the other end of the annular fastening gasket (9) is arranged on the outer side of the annular sealing strip (10), the other end of the annular fastening gasket (9) is arranged on the outer side of the annular sealing strip (10), the other end of the annular fastening gasket (9) is arranged on the outer side of the annular sealing strip (10), and the other end of the annular fastening gasket (9) is arranged on the outer side of the annular sealing strip (10).

3. The self-locking, reinforced water service pipe swivel as defined in claim 2, wherein: The tooth grooves (7) are arranged on the inner side of the annular sealing strips (10).

4. The self-locking, reinforced water service pipe swivel of claim 1, wherein: The end, away from the self-locking reinforcing assembly, of the quick joint outer sleeve (2) is an expanded end.

5. The self-locking, reinforced water service pipe swivel of claim 1, wherein: The quick joint inner sleeve (1) is provided with an annular limiting plate (8) for blocking the quick joint outer sleeve (2).

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