CN213402342U

CN213402342U - Power pipeline splicing head

Info

Publication number: CN213402342U
Application number: CN202022389667.9U
Authority: CN
Inventors: 阮成毅; 潘瑞云
Original assignee: Guangdong Xinlitong Industrial Co ltd
Current assignee: Guangdong Xinlitong Industrial Co ltd
Priority date: 2020-10-25
Filing date: 2020-10-25
Publication date: 2021-06-08
Anticipated expiration: 2030-10-25

Abstract

The utility model discloses a power pipeline splices head, include: the joint body is characterized in that 1) a flaring outer ring and a supporting inner ring are respectively arranged at two ends of the joint body, the supporting inner ring has elasticity, and the flaring outer ring and the supporting inner ring jointly form an end clamping groove of a power pipeline; 2) and a plurality of transverse steel strands and a plurality of longitudinal steel strands are respectively arranged in the joint body, the flaring outer ring and the supporting inner ring, and the transverse steel strands and the longitudinal steel strands are woven into a net shape. Compared with the prior art, the utility model provides a pair of power pipeline splice has connect convenient and fast, be difficult for droing and the characteristics that joint strength is big.

Description

Power pipeline splicing head

Technical Field

The utility model relates to a power pipeline technical field especially relates to a power pipeline splices head.

Background

Electric power pipelines are one of the common electric power infrastructures, and electric cables are usually buried in the ground and are used by penetrating through the pipelines. The existing power pipeline is generally of a hollow cylindrical structure, is prepared by carrying out hot dip coating or epoxy resin internal and external coating on PE, has excellent corrosion resistance, has good electrical insulation property, does not generate electric erosion, has low water absorption and small friction coefficient, can achieve the purpose of long-term use, and can effectively prevent the damage of plant roots and soil environmental stress and the like.

In the prior art, the connection between the power pipelines is generally performed through a straight-through pipe or an elbow pipe, and when the power pipelines are connected with the straight-through pipe or the elbow pipe, a direct insertion connection or a nut connection mode is mostly adopted. Wherein, the direct splicing connection mode is easy to fall off, and the depth of the power pipeline inserted into the straight-through or the elbow is not easy to control; in addition, because the connection part of two adjacent power pipelines is not completely fixed, large stress is easy to generate, and straight-through or elbow breakage is caused. Although the mode that the nut is connected can fix two adjacent power pipelines completely, need add screw thread or connector in addition at power pipeline's both ends, the structure is complicated, and it is not very convenient all to install and dismantle.

Disclosure of Invention

To the problem that exists among the prior art, the utility model aims to provide a connect convenient and fast, be difficult for coming off and the big power pipeline splice of joint strength.

In order to achieve the above purpose, the utility model adopts the following technical scheme.

An electrical power duct splice comprising: the joint body is characterized in that 1) a flaring outer ring and a supporting inner ring are respectively arranged at two ends of the joint body, the supporting inner ring has elasticity, and the flaring outer ring and the supporting inner ring jointly form an end clamping groove of a power pipeline; 2) and a plurality of transverse steel strands and a plurality of longitudinal steel strands are respectively arranged in the joint body, the flaring outer ring and the supporting inner ring, and the transverse steel strands and the longitudinal steel strands are woven into a net shape.

Preferably, the material of the joint body is a PP piece, a PE piece or an epoxy resin piece.

Preferably, the support inner ring is concealed within the flared outer ring and the support inner ring has a thickness that is thinner than the thickness of the flared outer ring.

Preferably, a convex reinforcing rib is arranged in the middle of the joint body, and the reinforcing rib is an annular protrusion which is coaxial with the joint body.

Further preferably, the annular protrusion and the joint body are of an integrally formed structure, the number of the annular protrusion is one, and the length of the annular protrusion is not less than one tenth of the total length of the joint body.

Further preferably, the number of the annular protrusions is two or more, and the annular protrusions are uniformly distributed along the length direction of the joint body.

Preferably, a buckle protruding into the end clamping groove is arranged at the outer end part of the support inner ring.

Further preferably, the buckle is a buckle ring; or the buckle is composed of a plurality of clamping points surrounding the periphery of the inner support ring.

Preferably, each of the transverse steel strands is uniformly distributed, and each of the longitudinal steel strands is also uniformly distributed; and the transverse steel strands and the longitudinal steel strands mutually form an included angle of 90 degrees.

The utility model has the advantages that:

the end clamping grooves formed by the flaring outer rings and the supporting inner rings are arranged at the two ends of the joint body, so that the end of the power pipeline can be clamped and fixed by the end clamping grooves when being inserted into the joint body, meanwhile, the insertion depth of the power pipeline can be accurately limited by the end clamping grooves, and the joint is convenient and quick to connect and is not easy to fall off; is particularly suitable for connecting double-wall corrugated pipes, single-wall corrugated pipes and the like. In addition, a plurality of transverse steel strands and longitudinal steel strands which are woven into a net shape are arranged in the joint body, the flaring outer ring and the supporting inner ring, and the strength of the joint body can be effectively improved by utilizing the advantages of high strength and long service life of the steel strands, so that the joint body can bear high stress and is not easy to break.

Drawings

Fig. 1 is a schematic structural view of a power pipeline splicing head provided in embodiment 1 of the present invention.

Fig. 2 is a partial cross-sectional view of a power pipeline splicing head provided in embodiment 1 of the present invention.

Fig. 3 is a schematic structural view of a power pipeline splicing head provided in embodiment 2 of the present invention.

Description of reference numerals:

1: a joint body, 2: flare outer ring, 3: supporting inner ring, 4: reinforcing ribs, 5: transverse steel strand, 6: longitudinal steel strand, 7: and (5) buckling.

Detailed Description

In the description of the present invention, it should be noted that, for the orientation words, if there are terms such as "center", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the orientation and positional relationship indicated are based on the orientation or positional relationship shown in the drawings, and only for the convenience of describing the present invention and simplifying the description, it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and not be construed as limiting the specific scope of the present invention.

In the present invention, unless otherwise expressly specified or limited, the terms "assembled", "connected", and "connected", if any, are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; or may be a mechanical connection; the two elements can be directly connected or connected through an intermediate medium, and the two elements can be communicated with each other. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to specific situations.

In the present application, unless otherwise specified or limited, "above" or "below" a first feature may include the first and second features being in direct contact, and may also include the first and second features not being in direct contact but being in contact with each other through another feature therebetween. Also, the first feature being "above," "below," and "above" the second feature includes the first feature being directly above and obliquely above the second feature, or simply an elevation which indicates a level of the first feature being higher than an elevation of the second feature. The first feature being "above", "below" and "beneath" the second feature includes the first feature being directly below or obliquely below the second feature, or merely means that the first feature is at a lower level than the second feature.

The following description will be further made in conjunction with the accompanying drawings of the specification, so that the technical solution and the advantages of the present invention are clearer and clearer. The embodiments described below are exemplary and are intended to be illustrative of the present invention, but should not be construed as limiting the invention.

Additional aspects and advantages of the invention will be set forth in part in the description which follows, or may be learned by practice of the invention.

Example 1

As shown in fig. 1 and 2, an electric power pipeline splicing head includes: the joint body 1 is characterized in that a flaring outer ring 2 and a supporting inner ring 3 are respectively arranged at two ends of the joint body 1, the supporting inner ring 3 has certain elasticity, and the flaring outer ring 2 and the supporting inner ring 3 jointly form an end clamping groove of an electric power pipeline; like this, when power pipeline's tip injects and connects body 1, will be fixed by tip draw-in groove chucking, simultaneously, the insertion depth of power pipeline also can accurately be injectd to the tip draw-in groove, connect convenient and fast, be difficult for droing. Particularly, a plurality of transverse steel strands 5 and a plurality of longitudinal steel strands 6 are respectively arranged in the joint body 1, the flaring outer ring 2 and the supporting inner ring 3, and the transverse steel strands 5 and the longitudinal steel strands 6 are woven into a net shape. The steel strand has the advantages of high strength and long service life, and can effectively improve the strength of the joint body 1, so that the joint body 1 can bear high stress and is not easy to break.

In addition, the joint body 1 in the present embodiment is made of a PE material, and in other embodiments, the material of the joint body 1 may be PP, epoxy resin, or the like, and is not limited to the present embodiment.

In order to ensure the uniformity of the strength of all parts of the splice, the transverse steel strands are preferably uniformly distributed, and the longitudinal steel strands are preferably uniformly distributed; and the transverse steel strands and the longitudinal steel strands mutually form an included angle of 90 degrees so as to facilitate wiring.

It should be noted that, in this embodiment, the support inner ring 3 is hidden inside the flared outer ring 2, and the thickness of the support inner ring 3 is thinner than that of the flared outer ring 2; like this, can not only play a guard action to supporting inner ring 3, make moreover to support inner ring 3 and have a bigger strainability, and then the power pipeline of chucking better in inserting the tip draw-in groove.

Referring to fig. 1, a convex reinforcing rib 4 is further disposed in the middle of the joint body 1, and the reinforcing rib 4 is an annular protrusion disposed coaxially with the joint body 1. In this embodiment, the annular protrusion and the joint body 1 are integrally formed, the number of the annular protrusion is one, and the length of the annular protrusion is not less than one tenth of the total length of the joint body 1; to ensure the strength enhancing effect. Of course, in other embodiments, according to different actual needs, the number of the annular protrusions is two or more, and the annular protrusions are uniformly distributed along the length direction of the joint body; the present embodiment is not limited.

Example 2

As shown in fig. 3, an electric power pipeline splice comprises: the joint comprises a joint body 1, flaring outer rings 2 and supporting inner rings 3 which are respectively arranged at two ends of the joint body 1, and reinforcing ribs 4 arranged in the middle of the joint body 1.

The structure of the circuit pipeline splicing head provided in this embodiment is substantially the same as that of embodiment 1, and the difference is that a buckle 7 protruding into the end clamping groove is arranged on the outer end portion of the support inner ring 3. In this embodiment, the buckle 7 is preferably a buckle ring; in other embodiments, the buckle 7 is composed of a plurality of clamping points surrounding the periphery of the support inner ring 3, and is not limited to this embodiment.

Compared with the embodiment 1, the power pipeline splicing head provided by the embodiment has the advantages that the outer end part of the inner support ring 3 is provided with the buckle 7 protruding into the end clamping groove, the end part of the power pipeline can be clamped better, the anti-falling effect is more protruding, and meanwhile the convenience for dismounting and mounting of the power pipeline is not influenced.

It will be understood by those skilled in the art from the foregoing description of the structure and principles that the present invention is not limited to the specific embodiments described above, and that modifications and substitutions based on the known art are intended to fall within the scope of the invention, which is defined by the claims and their equivalents. The details not described in the detailed description are prior art or common general knowledge.

Claims

1. An electrical power duct splice comprising: the joint body is characterized in that 1) a flaring outer ring and a supporting inner ring are respectively arranged at two ends of the joint body, the supporting inner ring has elasticity, and the flaring outer ring and the supporting inner ring jointly form an end clamping groove of a power pipeline; 2) and a plurality of transverse steel strands and a plurality of longitudinal steel strands are respectively arranged in the joint body, the flaring outer ring and the supporting inner ring, and the transverse steel strands and the longitudinal steel strands are woven into a net shape.

2. The power pipeline splicing joint of claim 1, wherein the joint body is made of a PP member, a PE member or an epoxy resin member.

3. The power conduit splicing head of claim 1 wherein said support inner ring is concealed within said flared outer ring and wherein said support inner ring has a thickness that is thinner than a thickness of said flared outer ring.

4. The power pipeline splicing head of claim 1, wherein a convex reinforcing rib is arranged in the middle of the joint body, and the reinforcing rib is an annular protrusion arranged coaxially with the joint body.

5. The power pipeline splicing head of claim 4, wherein the annular protrusion and the joint body are integrally formed, and the number of the annular protrusion is one, and the length of the annular protrusion is not less than one tenth of the total length of the joint body.

6. The power pipeline splicing joint of claim 4, wherein the number of the annular protrusions is two or more, and the annular protrusions are uniformly distributed along the length direction of the joint body.

7. The power pipeline splicing head of claim 1 wherein a snap is provided on an outer end of the inner support ring, the snap projecting into the end slot.

8. The power conduit splicing head of claim 7 wherein said clip is a snap ring; or the buckle is composed of a plurality of clamping points surrounding the periphery of the inner support ring.

9. The power pipeline splicing head of claim 1 wherein each of the transverse steel strands is uniformly distributed, and each of the longitudinal steel strands is also uniformly distributed; and the transverse steel strands and the longitudinal steel strands mutually form an included angle of 90 degrees.