阅读说明：本技术 一种混凝土专用的变径管接、盒接结构及施工方法 (Reducing pipe joint and box joint structure special for concrete and construction method ) 是由 王东升 于 2019-11-14 设计创作，主要内容包括：一种混凝土专用的变径管接、盒接结构及施工方法,涉及建筑电线管道预埋安装领域,是在管接、盒接进口处设立一个喇叭口,逐步向里缩小,形成外面大里面小的结构,强力将电线管道挤压变形推进到管接、盒接底部最佳位置,使电线管道与管接、盒接之间产生无间隙连接,坚固牢靠,起到不脱管、不进水泥浆、不堵管的目的。这种锤胀挤压式连接固定方法,改变了原来的施工方法,转变了工作方式,新的锤胀挤压式连接固定方法替代了传统的自由连接螺丝固定法,不需要扭螺丝,不捆胶带,节约工时,提高了工作效率,减少了重复施工,提高了工程质量,促进绿色施工,它的应用将有很大的市场前景。(A reducing pipe joint, box joint structure and construction method special for concrete relates to the field of building electric wire pipeline pre-buried installation, and is characterized in that a bell mouth is arranged at a pipe joint and box joint inlet, the bell mouth is gradually reduced inwards to form a structure with a large outside and a small inside, the electric wire pipeline is forcibly extruded and deformed to be pushed to the optimal position of the bottom of the pipe joint and box joint, so that gapless connection is generated between the electric wire pipeline and the pipe joint and box joint, the structure is firm, and the purposes of pipe detachment, cement slurry feeding and pipe blockage are achieved. The hammer expansion extrusion type connecting and fixing method changes the original construction method, changes the working mode, replaces the traditional free connecting screw fixing method, does not need to twist screws or tie adhesive tapes, saves working hours, improves working efficiency, reduces repeated construction, improves engineering quality, promotes green construction, and has great market prospect in application.)

1. The utility model provides a dedicated reducing pipe joint structure of concrete which characterized in that: the pipe joint comprises a pipe joint (1), bell mouths (2) are arranged at inlets of two ends of the pipe joint (1), a pipe joint middle baffle groove (3) is arranged in the middle of the pipe joint, the inner diameter of the pipe joint (1) is gradually reduced from inner ports of the bell mouths (2) of the two ends to the middle baffle groove (3), a structure that the inner diameter of the inlets of the two ends of the pipe joint (1) is large and the middle inner diameter is small is formed, the inner diameter of the inner ports of the bell mouths (2) is equal to the outer diameter of a wire pipeline (6) connected with the pipe joint (1), and the structure that the outer diameter of the wire pipeline (6) is large and the inner diameter of the.

2. The reducing pipe joint structure special for concrete according to claim 1, wherein: the end part of the electric wire pipeline (6) is pushed into the pipe connector (1) from the bell mouth (2) to the middle baffle groove (3) of the pipe connector, the electric wire pipeline (6) is extruded and deformed in the pipe connector (1), and the electric wire pipeline (6) and the pipe connector (1) form seamless hammering expansion extrusion connection.

3. The reducing pipe joint structure special for concrete according to claim 1, wherein: the middle baffle groove (3) of the pipe joint is a groove which is formed by annularly inwards sinking along the outer surface of the pipe joint (1), and the inner surface of the pipe joint (1) outwards bulges corresponding to the groove to form a baffle rib.

4. The utility model provides a dedicated reducing box of concrete connects structure which characterized in that: the box-type connector comprises a box connector (4), wherein the box connector (4) comprises a box connector (9) and a box connector nut (5) which is inserted into the box connector (9) in a corresponding threaded manner.

5. The special reducing box connection structure for concrete according to claim 4, wherein: the inlet of the outer end head of the box joint (9) is provided with a bell mouth (2), the inner diameter of the box joint (9) is gradually reduced from the inner port of the bell mouth (2) at the inlet to the outlet to form a structure that the inner diameter of the inlet of the box joint (9) is large and the inner diameter of the outlet is small, the inner diameter of the inner port of the bell mouth (2) is equal to the outer diameter of a wire pipeline (6) which is connected to the box joint (9) in a press fit manner, and the inner diameter of the wire pipeline (6) is gradually reduced inwards to form a structure that the outer diameter of the wire pipeline (6) is large and;

the inner side surface of the inner end of the box joint (9) is sleeved with internal threads and is in threaded connection with the external threads of the box joint nut (5) in a matching mode.

6. The special reducing box connection structure for concrete according to claim 5, wherein: one end of the electric wire pipeline (6) is pushed into the box joint (9) of the box joint (4) from the horn mouth (2) to the inner port of the box joint (9), the electric wire pipeline (6) is extruded and deformed in the box joint (9), and the electric wire pipeline (6) and the box joint (9) form seamless hammering expansion extrusion connection.

7. The special reducing box connection structure for concrete according to claim 6, wherein:

the box joint (9) is positioned on the outer side surface of the interface of the wire box (7), and the box joint nut (5) is positioned on the wire box (7)

The inner port of the box joint (9) is abutted against the interface of the wire box (7) and is fastened on the wire box (7) through a box joint nut (5) penetrating through the interface.

8. The special reducing box-connecting structure for concrete according to claim 7, wherein: and a fixed switch socket nut (8) is arranged on the wire box (7).

9. The construction method of the special variable-diameter pipe joint structure for the concrete according to any one of claims 1 to 3 is characterized by comprising the following steps:

step one, putting one end of a wire pipeline (6) into a bell mouth (2) of a pipe connector (1);

and secondly, directly striking the other end of the electric wire pipeline (6) by using a hammer, or clamping the electric wire pipeline (6) by using a pipe wrench, striking the other end of the pipe wrench by using the hammer, and strongly pushing the electric wire pipeline (6) into the pipe connector (1) to the position of the middle gear groove (3) of the pipe connector to complete seamless connection of the electric wire pipeline (6) and the pipe connector (1).

10. The construction method of the special variable-diameter box-connected structure for the concrete, which is applied to any one of claims 4 to 8, is characterized by comprising the following steps of:

firstly, a box connecting nut (5) is abutted at an interface of a wire box (7), and the box connecting nut (5) is positioned on the inner side surface of the wire box (7);

secondly, abutting an inner port of a box joint (9) of the box joint (4) at a joint of the wire box (7), wherein the box joint (9) is positioned on the outer side surface of the wire box (7);

thirdly, screwing the box connecting screw cap (5) into the box connector (9) through the interface of the wire box (7);

step four, placing a wedge block in the wire box (7) to tightly abut against the box connecting nut (5), and then closing the wire box (7);

putting one end of the electric wire pipeline (6) into the bell mouth (2) of the box joint (9) of the box joint (4);

and sixthly, directly striking the other end of the electric wire pipeline (6) by using a hammer, or clamping the electric wire pipeline (6) by using a pipe wrench, striking the other end of the pipe wrench by using the hammer, and forcibly pushing the electric wire pipeline (6) into the box joint (9) of the box joint (4) to the inner end part of the box joint (9) to complete seamless connection between the box joint (4) and the electric wire pipeline (6) and the wire box.

Technical Field

The invention relates to the field of building wire and pipeline pre-buried installation, in particular to a reducing pipe joint, a box joint structure and a construction method special for concrete, which are mainly used for metal pipes and iron pipes of various types.

Background

The building engineering electric wire pipeline is the indispensable part in the building engineering, can divide into forceful electric power circuit pipeline and light current circuit pipeline according to the function, can divide into metal iron pipe and plastic tubing according to the material, and the current electric wire pipeline installation technique adopts pre-buried or grooved laying mode more, buries in concrete or mortar mostly. In the construction of the building, the laying of the line pipes is finished once before the concrete is not poured, and then the concrete is poured. Present pipe connector, box connects and the spool is the equal diameter pipe, and the pipe connector, the internal diameter that the box connects all is greater than the external diameter of spool, form very big clearance between the two, lead to in the construction of building, connection between the spool, all very not hard up is connected between line box and the spool, need use the screw fixation, and seal with the sticky tape, so take off the pipe easily appears pouring the concrete in-process, the clearance is too big, the parcel is not tight, lead to in a large amount of grout entering pipeline, the problem of serious stifled pipe appears, stifled pipe not only brings a large amount of repeated constructions simultaneously, and produce a lot of dust waste residues, be unfavorable for the environmental protection requirement, new consumptive material expenditure has been increased again, influence engineering quality.

Disclosure of Invention

In order to solve the technical problems, the invention aims to provide a reducing pipe joint, a box joint structure and a construction method special for concrete.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a dedicated reducing pipe joint structure of concrete, includes the pipe joint, the both ends head import department of pipe joint is equipped with the horn mouth, the centre is equipped with the middle fender groove of pipe joint, and the internal diameter of pipe joint reduces gradually to middle fender groove by the inner port of the horn mouth of both ends head, forms the structure that the pipe joint both ends import department internal diameter is big, middle internal diameter is little to the internal diameter of horn mouth equals the external diameter with the electric wire pipeline of pipe joint connection, reduces gradually inwards and forms the structure that electric wire pipeline external diameter is big, the pipe joint internal diameter is little.

The end part of the electric wire pipeline is pushed into the pipe joint from the bell mouth to the middle baffle groove of the pipe joint, the electric wire pipeline is extruded and deformed in the pipe joint, and the electric wire pipeline and the pipe joint form seamless hammer expansion extrusion connection.

The middle baffle groove of the pipe joint is a groove which is formed by annularly inwards sinking along the outer surface of the pipe joint, and the inner surface of the pipe joint outwards bulges corresponding to the groove to form a baffle rib.

The utility model provides a dedicated reducing box of concrete connects structure, includes the box and connects, the box connects including box joint and the box nut that corresponds the screw thread grafting in the box connects.

The inner diameter of the inner port of the horn mouth is equal to the outer diameter of an electric wire pipeline which is connected to the box joint in a press fit mode, and the inner diameter of the electric wire pipeline is gradually reduced inwards to form a structure with a large outer diameter and a small inner diameter; the inner side surface of the inner end of the box joint is sleeved with internal threads which are matched with the external threads of the box joint screw cap to be in threaded connection.

One end of the electric wire pipeline is pushed into the box joint connected with the box through the horn mouth to the inner port of the box joint, the electric wire pipeline is extruded and deformed in the box joint, and the electric wire pipeline and the box joint form seamless hammer expansion extrusion connection.

The box joint is located the lateral surface of the interface of line box, and box connecting nut is located the medial surface of the interface of line box, and the inner port that the box connects supports on the interface of line box to through passing the box connecting nut fastening of interface on line box.

And a fixed switch socket nut is arranged on the wire box.

The construction method applying the special reducing pipe joint structure for the concrete comprises the following steps:

step one, putting one end of a wire pipeline into a bell mouth of the pipe joint.

And secondly, directly striking the other end of the electric wire pipeline by using a hammer, or clamping the electric wire pipeline by using a pipe wrench, striking the other end of the pipe wrench by using the hammer, and forcibly pushing the electric wire pipeline into the pipe connector to the position of the middle stop groove of the pipe connector to complete seamless connection of the electric wire pipeline and the pipe connector.

The construction method applying the special variable-diameter box connection structure for the concrete comprises the following steps:

the box terminal nut is abutted to an interface of the wire box and is located on the inner side face of the wire box.

And step two, abutting the inner port of the box joint at the joint of the wire box, wherein the box joint is positioned on the outer side surface of the wire box.

And step three, screwing the box connecting screw cap into the box connector through the interface of the wire box.

And step four, placing a wedge block in the wire box to tightly abut against the box to connect the nut, and then closing the wire box.

And step five, placing one end of the electric wire pipeline into a bell mouth of the box joint.

And step six, directly striking the other end of the electric wire pipeline by using a hammer, or clamping the electric wire pipeline by using a pipe wrench, striking the other end of the pipe wrench by using the hammer, and forcibly pushing the electric wire pipeline into a box joint of the box joint to the inner end part of the box joint to complete seamless connection between the box joint and the electric wire pipeline and the wire box.

Compared with the prior art, the invention has the following characteristics and beneficial effects:

the method comprises the following steps that 1, a bell mouth is arranged at an inlet of an original pipe joint and box joint, the inner diameter of an inner port of the bell mouth is equal to the outer diameter of a wire pipeline, and is gradually reduced inwards, the inner diameters of the pipe joints and the box joints of different types are reduced to be smaller than the outer diameter of the wire pipeline of the corresponding type, namely the inner diameters of the pipe joints and the box joints of different types except the inner diameter of the bell mouth at the inlet are equal to the outer diameter of the wire pipeline of the corresponding type, and the inner diameters of other positions are smaller than the outer diameter of the wire pipeline of the corresponding type to form a structure with a large outer part and a small inner part.

2, the size of the pipe joint is lengthened on the basis of the original pipe joint and box joint, the length of the pipe joint is increased to better enlarge the contact area of the pipe joint and increase the firmness of the pipe joint, and the pipe joint is not afraid of vibration and mechanical strong vibration and plays a role in preventing pipe falling.

3, the improvement of the pipe joint and the box joint not only reduces repeated construction, but also changes the construction method, improves the working efficiency, improves the engineering quality, is beneficial to environmental protection and promotes green construction, and the application of the invention can change the current situation of the whole concrete, thereby being a product which is urgently needed to be updated in the building market and having huge market prospect.

Drawings

Fig. 1 is a schematic view of a pipe joint.

Fig. 2 is a schematic structural diagram of the box connection.

Fig. 3 is a sectional view of the pipe joint being connected to the electric wire conduit.

Fig. 4 is a cross-sectional view of the box-to-wire connection with the wire conduit.

Fig. 5 is a structural schematic of the connection between the electric wire conduit and the cassette, pipe joint, and wire cassette.

Reference numerals: the device comprises a pipe joint 1, a pipe joint 2, a horn mouth 3, a pipe joint middle retaining groove 4, a box joint 5, a box joint nut 5, an electric wire pipeline 6, a wire box 7, a fixed switch socket nut 8 and a box joint 9.

Detailed Description

The invention is further described in detail with reference to the following embodiments and accompanying drawings, and a concrete special reducer union, box joint structure and construction method thereof are provided: