Connecting piece sleeved with copper external threads

Abstract

The utility model discloses a connecting piece sleeved with copper external threads, relates to the technical field of connecting pieces sleeved with copper external threads, and aims to solve the problems that in the prior art, a traditional connecting piece sleeved with copper external threads is low in connecting strength, poor in sealing performance and prone to water leakage when the connecting piece and plastic are injection-molded together due to the fact that the inner wall face of the traditional connecting piece sleeved with copper external threads is smooth. The external thread connecting piece comprises a threaded head and a connecting seat, an embedded mounting seat is arranged below the connecting seat, the threaded head, the connecting seat and the embedded mounting seat are all of an integrated structure, a first waterproof groove is formed in the inner side of the embedded mounting seat, a second waterproof groove is formed in the inner side of the connecting seat, and the first waterproof groove is communicated with the second waterproof groove. A third waterproof groove and a fourth waterproof groove are formed in the inner side of the threaded head, a first embedded disc, a second embedded disc and a third embedded disc are arranged on the outer side of the embedded mounting base, and an embedded groove is formed between the first embedded disc and the second embedded disc. And an embedding groove is formed between the second embedding disc and the third embedding disc.

Description

TECHNICAL FIELD

[0001] The utility model relates to a copper sleeve outer thread connecting piece technical field, concretely to a copper sleeve outer thread connecting piece. BACKGROUND

[0002] In the fire-fighting water pipe, the form of injection molding is generally used to connect with the copper sleeve outer thread, and a whole connecting piece is formed.

[0003] For example, the announcement number is CN205036992U, a kind of outer thread connecting piece, including outer thread and connecting outer thread, the outer ring is equipped on the outer thread, the inner ring is equipped in the outer ring, the screw thread is equipped on the outer ring, the outer ring is equipped on the connecting outer thread, the inner ring is equipped on the connecting outer thread, the screw thread is equipped on the connecting outer thread, nut is fixedly connected on the side of the connecting outer thread, the outer thread and the connecting outer thread are all the outer thread with the length of 3cm;

[0004] The above application can be 5cm when connecting two pipe fittings by 3cm outer thread connecting piece, the shortest distance of two pipe fittings can be 5cm, avoid when meeting the interval less than 6cm (not including 5cm) in construction site, cannot guarantee that the connected pipe material part can meet the interval requirement according to the site condition, can effectively solve the problem of too small connecting interval encountered in construction process, and by the nut on the side of the connecting outer thread, construction can be more simple, easy to operate, can obviously improve efficiency, but the inner wall surface of traditional copper sleeve outer thread connecting piece is smooth, when being molded with plastic together, the connection strength is low, the sealing performance is poor, and water leakage is easy, therefore, market urgently needs to develop a kind of copper sleeve outer thread connecting piece to help people solve existing problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of copper sleeve outer thread connecting piece, to solve the problem that the inner wall surface of traditional copper sleeve outer thread connecting piece is smooth in the background art described above, when being molded with plastic together, the connection strength is low, the sealing performance is poor, and water leakage is easy.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of copper sleeve outer thread connecting piece, including outer thread connecting piece, the outer thread connecting piece includes screw head and connecting seat, the lower portion of the connecting seat is provided with embedded mounting seat, the screw head, connecting seat and embedded mounting seat are all set to integrated structure, the inner side of the embedded mounting seat is provided with first waterproof groove, the inner side of the connecting seat is provided with second waterproof groove, the inner side of the screw head is respectively provided with third waterproof groove and fourth waterproof groove.

[0007] By the above technical scheme, the plurality of waterproof grooves are arranged on the inner side of the outer screw connector, one is arranged on the inner side of the embedding mounting seat and the connecting seat, and two are arranged on the inner side of the threaded head, so that the plastic can be embedded into the waterproof grooves during injection molding, four waterproof mechanisms are formed, the sealing performance is improved, the water leakage is avoided, and the use reliability is improved.

[0008] The utility model discloses a further configuration in a preferable example can be: the outer side of embedding mounting seat is provided with first embedding disc piece, second embedding disc piece and third embedding disc piece respectively, embedding groove is arranged between first embedding disc piece and second embedding disc piece, embedding groove is arranged between second embedding disc piece and third embedding disc piece.

[0009] Through the above technical scheme, the first embedding disc piece, the second embedding disc piece and the third embedding disc piece will be deeply inserted into the inside of the plastic and completely adhere to the plastic during injection molding, and the plastic will enter the embedding groove, thereby forming a cross lock structure, which can firmly fix the outer screw connector and improve the connection firmness.

[0010] Compared with the prior art, the utility model has the advantages that:

[0011] 1. The utility model discloses a plurality of waterproof grooves on the inner side of the outer screw connector, one on the inner side of the embedding mounting seat and the connecting seat, and two on the inner side of the threaded head, so that the plastic can be embedded into the waterproof grooves during injection molding, four waterproof mechanisms are formed, the sealing performance is improved, the water leakage is avoided, and the use reliability is improved.

[0012] 2. The utility model discloses that the first embedding disc piece, the second embedding disc piece and the third embedding disc piece will be deeply inserted into the inside of the plastic and completely adhere to the plastic during injection molding, and the plastic will enter the embedding groove, thereby forming a cross lock structure, which can firmly fix the outer screw connector and improve the connection firmness. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a sectional view of the utility model of a copper outer screw connector;

[0014] Figure 2 It is a front view of the utility model of a copper outer screw connector;

[0015] In the drawing: 1, outer screw connector; 2, threaded head; 3, connecting seat; 4, embedding mounting seat; 5, first embedding disc piece; 6, second embedding disc piece; 7, third embedding disc piece; 8, first waterproof groove; 9, second waterproof groove; 10, third waterproof groove; 11, fourth waterproof groove. DETAILED DESCRIPTION

[0016] Clearly, the described embodiments are merely a part of the embodiments of the present application, but not all the embodiments of the present application.

[0017] 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 limiting the present application. In addition, the terms "first", "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0018] 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 meanings of the above terms in the present application can be understood according to the specific circumstances.

[0019] Please refer to Figure 1 and Figure 2 The utility model provides an embodiment: a copper outer thread connecting piece, including outer thread connecting piece 1, outer thread connecting piece 1 includes threaded head 2 and connecting seat 3, the lower portion of connecting seat 3 is provided with embedded mounting seat 4, threaded head 2, connecting seat 3 and embedded mounting seat 4 are all provided as integral structure, the inner side of embedded mounting seat 4 is provided with first waterproof groove 8, the inner side of connecting seat 3 is provided with second waterproof groove 9, the inner side of threaded head 2 is provided with third waterproof groove 10 and fourth waterproof groove 11 respectively.

[0020] Please refer to Figure 1 and Figure 2 The outer side of embedded mounting seat 4 is provided with first embedded disc 5, second embedded disc 6 and third embedded disc 7 respectively.

[0021] Please refer to Figure 1 and Figure 2 Embedded groove is arranged between first embedded disc 5 and second embedded disc 6, and embedded groove is arranged between second embedded disc 6 and third embedded disc 7.

[0022] Working principle: when using, the inner side of the outer thread connecting piece 1 is provided with multiple waterproof grooves, one is arranged on the inner side of the embedding mounting base 4 and the connecting base 3, and two are arranged on the inner side of the threaded head 2, so that the plastic can be embedded into the waterproof groove during injection molding, four waterproof mechanisms are formed, the sealing performance is improved, the water leakage is avoided, the use reliability is improved, during injection molding, the first embedding disc 5, the second embedding disc 6 and the third embedding disc 7 are deeply inserted into the inside of the plastic and completely adhere to the plastic, the plastic enters the embedding groove, so that the cross lock structure is formed, the outer thread connecting piece can be firmly fixed, and the connection firmness is improved.

[0023] It is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims involved.

Claims

1. A set copper pin and ring connector comprising a pin and ring connector (1), characterized in that: The outer wire connector (1) comprises a threaded head (2) and a connecting seat (3), a embedded mounting seat (4) is arranged below the connecting seat (3), the threaded head (2), the connecting seat (3) and the embedded mounting seat (4) are arranged as an integrated structure, a first waterproof groove (8) is arranged on the inner side of the embedded mounting seat (4), a second waterproof groove (9) is arranged on the inner side of the connecting seat (3), and a third waterproof groove (10) and a fourth waterproof groove (11) are respectively arranged on the inner side of the threaded head (2).

2. A set screw brass fitting according to claim 1, wherein: First, second and third embedded disc plates (5, 6 and 7) are respectively arranged on the outer side of the embedded mounting seat (4).

3. A set screw brass fitting according to claim 2, wherein: Embedded grooves are arranged between the first embedded disc plate (5) and the second embedded disc plate (6) and between the second embedded disc plate (6) and the third embedded disc plate (7).

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