Metal piece for plastic internal thread joint

Abstract

The utility model discloses a metal piece for a plastic internal thread joint, relates to the technical field of fire-fighting plastic pipe metal joints, and aims to solve the problems that in the prior art, the end face of a traditional fire-fighting plastic pipe metal joint is flat, and leakage is prone to occurring at the joint when the traditional fire-fighting plastic pipe metal joint and plastic are subjected to injection molding. The metal piece comprises a connector body, a first water stop groove, a second water stop groove and a third water stop groove are formed in the connector body, a hexagonal top face is arranged at the top of the connector body, and a first hexagonal inlaying edge, a second hexagonal inlaying edge and a third hexagonal inlaying edge are arranged on the connector body. The first water stop groove is formed between the hexagonal top face and the first hexagonal inlaying edge, the second water stop groove is formed between the first hexagonal inlaying edge and the second hexagonal inlaying edge, and the third water stop groove is formed between the second hexagonal inlaying edge and the third hexagonal inlaying edge. And the thickness of the first hexagonal inlaying edge is the same as that of the second hexagonal inlaying edge.

Description

TECHNICAL FIELD

[0001] The utility model relates to technical fields, concretely is a kind of metal piece for plastic female thread joint. BACKGROUND

[0002] Plastic pipe inner joint is very common in life, and plastic pipe inner joint is generally composed of joint body and embedded thread, and the embedded thread on the joint body is used to achieve the purpose of connection and fixation, and the existing embedded thread is fused together with the inner wall of plastic pipe joint by using hot melting technology;

[0003] For example, the announcement number CN209587456U, a kind of embedded thread plastic pipe inner joint belongs to plastic pipe field, including plastic pipe inner joint, plastic pipe, the plastic pipe inner joint and plastic pipe are integrated structure, it is characterized in that, the plastic pipe inner joint includes joint body, nested inner groove, sealing ring, fixed block, fixed groove, propelling guide block, the fixed block and joint body are integrated structure, the fixed block is equipped with two, and the nested inner groove is arranged between two fixed blocks, the fixed groove is arranged in the end of the fixed block close to plastic pipe, the joint body is internally provided with embedded thread, the outer side of the embedded thread close to the end of plastic pipe is provided with connecting block;

[0004] The above-mentioned application puts the embedded thread into the joint body through the nested inner groove, and the moving clamp is extended from the connecting block to cooperate with the fixed groove, to improve the connection stability and make the installation of embedded thread more convenient, but the end face of traditional fire-fighting plastic pipe metal joint is flat, and leakage is prone to occur at the connection when plastic injection molding, therefore, there is an urgent need to develop a metal piece for plastic female thread joint to help people solve the existing problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of metal piece for plastic female thread joint to solve the problem that the end face of traditional fire-fighting plastic pipe metal joint is flat, and leakage is prone to occur at the connection when plastic injection molding as proposed in the above background art.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a kind of metal piece for plastic female thread joint, including metal piece, the metal piece includes joint body, the first water stop groove, second water stop groove and third water stop groove are respectively provided on the joint body, and the top of the joint body is provided with hexagonal top face.

[0007] Through the above technical scheme, three water stop grooves are opened on the end face of the joint body, which improves the sealing performance and prevents water leakage during injection molding, and the first water stop groove, second water stop groove and third water stop groove are arranged in different areas, which can prevent water leakage in a step-by-step layered manner, thereby avoiding the phenomenon of leakage at the connection.

[0008] The utility model discloses a further configuration in a preferable example can be: the first six -sided inlay edge, second six -sided inlay edge and third six -sided inlay edge are provided with respectively on the joint body.

[0009] Through the above technical scheme, the first six -sided inlay edge, second six -sided inlay edge and third six -sided inlay edge form three groups of obstacles, and when injection molding, the three groups of six -sided inlay edges can be inlaid to the inside of plastic, form a barrier, thereby improve the connection firmness.

[0010] The utility model discloses a further configuration in a preferable example can be: the first six -sided inlay edge, second six -sided inlay edge and third six -sided inlay edge form three groups of obstacles, and when injection molding, the three groups of six -sided inlay edges can be inlaid to the inside of plastic, form a barrier, thereby improve the connection firmness.

[0011] The utility model discloses a further configuration in a preferable example can be: the first six -sided inlay edge, second six -sided inlay edge and third six -sided inlay edge form three groups of obstacles, and when injection molding, the three groups of six -sided inlay edges can be inlaid to the inside of plastic, form a barrier, thereby improve the connection firmness.

[0012] The utility model discloses a further configuration in a preferable example can be: the first six -sided inlay edge, second six -sided inlay edge and third six -sided inlay edge form three groups of obstacles, and when injection molding, the three groups of six -sided inlay edges can be inlaid to the inside of plastic, form a barrier, thereby improve the connection firmness.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] The utility model discloses three water stop grooves are set up in the end face of the joint body, and when injection molding, the sealing property is improved, water leakage is prevented, the first water stop groove, the second water stop groove and the third water stop groove are arranged in regions, and can prevent water in layers gradually, thereby avoiding the phenomenon that the connecting place leaks.

[0015] The utility model discloses a further configuration in a preferable example can be: the first six -sided inlay edge, second six -sided inlay edge and third six -sided inlay edge form three groups of obstacles, and when injection molding, the three groups of six -sided inlay edges can be inlaid to the inside of plastic, form a barrier, thereby improve the connection firmness. ACCURACY OF DRAWINGS

[0016] Figure 1 It is the front view of the metal piece for the plastic internal thread joint of the utility model;

[0017] Figure 2 It is the plan view of the metal piece for the plastic internal thread joint of the utility model;

[0018] Figure 3 It is the bottom view of the metal piece for the plastic internal thread joint of the utility model.

[0019] In the figure: 1, metal piece; 2, joint body; 3, hexagonal top surface; 4, first hexagonal inlaid edge; 5, second hexagonal inlaid edge; 6, third hexagonal inlaid edge; 7, first water stop groove; 8, second water stop groove; 9, third water stop groove; 10, internal thread groove. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0021] In the description of the present application, it should be noted that the terms "upper", "lower", "inner", "outer", "top / bottom end" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0022] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "sleeved / connected", "connected" and the like should be broadly understood, for example, "connected" can be fixedly connected, can be detachably connected, or integrally connected; can be mechanically connected, can be electrically connected; can be directly connected, can be indirectly connected through an intermediate medium, and can be connected inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0023] Please refer to Figure 1 and Figure 2 The utility model provides an embodiment: a kind of metal piece for plastic internal thread joint, including metal piece 1, metal piece 1 includes joint body 2, first water stop groove 7, second water stop groove 8 and third water stop groove 9 are respectively provided on joint body 2, and hexagonal top surface 3 is provided on the top of joint body 2.

[0024] Please refer to Figure 1 First hexagonal inlaid edge 4, second hexagonal inlaid edge 5 and third hexagonal inlaid edge 6 are respectively provided on joint body 2, and first hexagonal inlaid edge 4, second hexagonal inlaid edge 5 and third hexagonal inlaid edge 6 are integrally structured with joint body 2.

[0025] Please refer to Figure 1The first water stop groove is arranged between the hexagonal top surface and the first hexagonal inlaid edge, the second water stop groove is arranged between the first hexagonal inlaid edge and the second hexagonal inlaid edge, and the third water stop groove is arranged between the second hexagonal inlaid edge and the third hexagonal inlaid edge.

[0026] Please refer to Figure 1 The thickness of the first hexagonal inlaid edge 4 is the same as that of the second hexagonal inlaid edge 5, and the thickness of the third hexagonal inlaid edge 6 is greater than that of the second hexagonal inlaid edge 5.

[0027] Please refer to Figure 3 and Figure 3 The inner thread groove 10 is arranged in the joint body 2 and is arranged in an integral structure with the joint body 2.

[0028] Working principle: in use, the metal piece 1 is composed of the joint body 2, the hexagonal top surface 3, the first hexagonal inlaid edge 4, the second hexagonal inlaid edge 5 and the third hexagonal inlaid edge 6, the first hexagonal inlaid edge 4, the second hexagonal inlaid edge 5 and the third hexagonal inlaid edge 6 are in an integral structure with the joint body 2, the first water stop groove is arranged between the hexagonal top surface and the first hexagonal inlaid edge, the second water stop groove is arranged between the first hexagonal inlaid edge and the second hexagonal inlaid edge, and the third water stop groove is arranged between the second hexagonal inlaid edge and the third hexagonal inlaid edge, in injection molding connection, the molten plastic is inlaid to the inner side of the first water stop groove 7, the second water stop groove 8 and the third water stop groove 9 to form an integral structure, so that a better sealing effect is achieved.

[0029] It is apparent for those skilled in the art that the present application is not limited to the details of the above-described exemplary embodiments, but rather that it can be implemented in other embodiments without departing from the spirit or essential characteristics of the present application. Thus, the embodiments should be considered in all respects as illustrative and not restrictive, the scope of the application being indicated by the appended claims rather than by the above description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. No reference signs in the claims should be considered as limiting the scope of the claims.

Claims

1. A metal part for a plastic internal threaded connector, comprising a metal part (1), characterized in that: The metal part (1) includes a connector body (2), on which a first water-stop groove (7), a second water-stop groove (8) and a third water-stop groove (9) are respectively provided, and a hexagonal top surface (3) is provided on the top of the connector body (2).

2. The metal part for a plastic internal thread connector according to claim 1, characterized in that: The connector body (2) is provided with a first hexagonal inlay edge (4), a second hexagonal inlay edge (5) and a third hexagonal inlay edge (6).

3. A metal part for a plastic internal threaded connector according to claim 2, characterized in that: The first water-stop groove (7) is disposed between the hexagonal top surface (3) and the first hexagonal inlay edge (4), the second water-stop groove (8) is disposed between the first hexagonal inlay edge (4) and the second hexagonal inlay edge (5), and the third water-stop groove (9) is disposed between the second hexagonal inlay edge (5) and the third hexagonal inlay edge (6).

4. A metal part for a plastic internal threaded connector according to claim 2, characterized in that: The thickness of the first hexagonal inlay edge (4) is the same as the thickness of the second hexagonal inlay edge (5), and the thickness of the third hexagonal inlay edge (6) is greater than the thickness of the second hexagonal inlay edge (5).

5. A metal part for a plastic internal threaded connector according to claim 1, characterized in that: The connector body (2) is provided with an internal thread groove (10).

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