CN216430851U - Injection-molded RTP plastic composite pressure electric melting pipe fitting - Google Patents

Abstract

The utility model discloses an RTP plastic composite pressure electric melting pipe fitting formed by injection molding, which consists of a pipe receiving piece and two electric capacitance pipe fittings, wherein the electric capacitance pipe fittings are connected through the pipe receiving piece, the pipe receiving piece comprises an outer pipe I, an enhancement layer I, an inner pipe I, a resistance wire I and a resistance wire II, the inner part of the outer pipe I is provided with the enhancement layer I, the inner part of the enhancement layer I is provided with the inner pipe I, the two ends of the inner pipe I are stepped, the resistance wire II is embedded in the lower layer of the step, the resistance wire I is embedded in the upper layer of the step, the edge positions of the two ends of the one side of the outer pipe are both provided with mounting holes, a wiring mechanism is arranged in the mounting holes and is connected with electricity when being installed and used, the electric heating wire heats the inner side of the pipe to melt the pipe, and the pipe receiving piece connects the two electric capacitance pipe fittings, the use is convenient.

Description

Injection-molded RTP plastic composite pressure electric melting pipe fitting

Technical Field

The utility model relates to an electric smelting pipe fitting technical field, concretely relates to injection moulding's compound pressure electric smelting pipe fitting of RTP plastics.

Background

The electric melting pipe fitting has the advantages of convenient installation and reliable connection, and has a large market share in many industries.

The electric melting pipe fitting disclosed by the invention with the patent publication number of CN108426113A comprises a hollow pipe body, wherein an electric heating wire is arranged in the pipe body, a wiring terminal connected with the electric heating wire is arranged on the outer wall of the pipe body, the wiring terminal comprises a wiring sleeve which protrudes outwards in the radial direction on the outer wall of the pipe body, a threaded hole and a fixed hole are sequentially formed in the wiring sleeve towards the inside of the pipe body, the threaded hole is a conical pipe thread, a resistance wire is fixedly arranged in the fixed hole, a copper electrode is connected in the threaded hole, one end of the resistance wire is connected with the electric heating wire, and the other end of the resistance wire is connected with the copper electrode; the copper electrode comprises a wiring section and a thread section which are sequentially connected, external threads matched with the thread hole are arranged outside the thread section, a taper hole which is large outside and small inside is formed in the center of the end face of the thread section and used for inserting the resistance wire, a plurality of long grooves which are simultaneously communicated with the taper hole and the end face of the thread section are uniformly formed in the thread section in the circumferential direction, the long grooves are axially arranged, and slots are formed in the end face of the wiring section. Can carry out the dismouting with the copper electrode, can retrieve the copper electrode, but the reuse has practiced thrift the resource, the cost is reduced, and the terminal directly links to each other with the resistance wire, and direct electricity connects when using and has certain potential safety hazard.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, an object of the utility model is to provide an injection moulding's RTP plastics composite pressure electric smelting pipe fitting, through wiring mechanism's sectional type design, the potential safety hazard appears after avoiding the electric capacity pipe circular telegram.

The purpose of the utility model can be realized by the following technical scheme:

the utility model provides a compound pressure electric smelting pipe fitting of RTP plastics of injection moulding, this electric smelting pipe fitting comprises tubular product accepting piece and electric capacity pipe fitting, and when producing this pipe fitting, at first resistance wire prefabrication shaping, add the resistance wire into the mould again, make pipe fitting injection moulding.

Two the electric capacity pipe fitting is connected through a tubular product adapting piece, the tubular product adapting piece includes outer pipe one, enhancement layer one, inlayer pipe one, resistance wire two, the inside of outer pipe one is provided with enhancement layer one, the inside of enhancement layer one is provided with inlayer pipe one, the inside both ends of inlayer pipe one form the step shape, and the lower floor of this step is inside to be inlayed and is equipped with resistance wire two, and the upper strata inside of this step is inlayed and is equipped with resistance wire one, the mounting hole has all been seted up to outer pipe one-side both ends edge position, install wiring mechanism in the mounting hole.

As a further aspect of the present invention: the capacitor pipe fitting comprises an outer layer pipe II, a second enhancement layer and a second inner layer pipe, wherein the second enhancement layer is fixedly connected to the outer side of the second inner layer pipe, and the second outer layer pipe is fixedly connected to the outer side of the second enhancement layer.

As a further aspect of the present invention: the inner layer tube II is in contact with the inner layer tube I on the outer side of the resistance wire I, and the outer layer tube II is in contact with the inner layer tube I on the outer side of the resistance wire II.

As a further aspect of the present invention: the wiring mechanism comprises a contact, a mounting hole, a limiting block, a wiring terminal, a limiting groove and a threaded ring, wherein the position, close to the bottom, inside the mounting hole is fixedly connected with the threaded ring, the wiring terminal is connected with the threaded ring through threads, the bottom of the wiring terminal is fixedly connected with the contact, the contact is in contact with the resistance wire, the limiting groove is fixedly connected with one side of the mounting hole, the limiting block is fixedly connected onto the wiring terminal, and the limiting block is clamped in the limiting groove.

As a further aspect of the present invention: the first reinforcing layer and the second reinforcing layer are made of glass fibers.

The utility model has the advantages that:

1. the position fixedly connected with fillet near the bottom inside the mounting hole, threaded connection has the terminal in the fillet, the bottom fixedly connected with contact of terminal, contact and resistance wire two-phase contact, one side fixedly connected with spacing groove of mounting hole, fixedly connected with stopper on the terminal, the stopper joint is in the spacing groove, and when working a telephone switchboard, the terminal was rotated earlier, and contact and resistance wire two-phase contact communicate the terminal with external power supply again, heat the tubular product inner wall, and the wiring structure adopts the segmentation structure, can avoid tubular product direct circular telegram back to produce danger.

2. When the electric melting pipe is installed and used, the wiring mechanism is electrified, the heating wire is used for heating to melt the inner side of the pipe, and the pipe adapting piece is used for connecting the two capacitor pipe fittings, so that the connection is quick and the use is convenient.

Drawings

The present invention will be further described with reference to the accompanying drawings.

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the pipe receiving member of the present invention;

FIG. 3 is a schematic view of the overall structure of the pipe receiving member of the present invention;

FIG. 4 is a schematic structural diagram of the wiring mechanism of the present invention;

fig. 5 is a schematic view of the structure of the capacitor tube of the present invention.

In the figure: 1. a pipe receiving member; 101. an outer layer pipe I; 102. a first enhancement layer; 103. a first inner layer pipe; 104. a first resistance wire; 105. a resistance wire II; 106. a wiring mechanism; 107. a contact; 108. mounting holes; 109. a limiting block; 110. a binding post; 111. a limiting groove; 112. a thread ring; 2. a capacitor tube; 201. an outer layer pipe II; 202. a second enhancement layer; 203. and a second inner layer pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Please refer to fig. 1-5, the present invention relates to an injection molded RTP plastic composite pressure electrofusion pipe fitting, which comprises a pipe receiving member 1 and a capacitor pipe member 2, wherein the capacitor pipe member 2 is connected via the pipe receiving member 1, the pipe receiving member 1 comprises an outer pipe 101, a first reinforcement layer 102, a first inner pipe 103, a first resistance wire 104 and a second resistance wire 105, the first reinforcement layer 102 is disposed inside the outer pipe 101, the first inner pipe 103 is disposed inside the first reinforcement layer 102, both ends of the inner pipe 103 are stepped, the second resistance wire 105 is embedded inside the lower layer of the step, the first resistance wire 104 is embedded inside the upper layer of the step, mounting holes 108 are disposed at both ends of the outer pipe 101, and a wiring mechanism 106 is disposed in the mounting holes 108.

The capacitor tube 2 comprises an outer tube II 201, a reinforcing layer II 202 and an inner tube II 203, wherein the reinforcing layer II 202 is fixedly connected to the outer side of the inner tube II 203, and the outer tube II 201 is fixedly connected to the outer side of the reinforcing layer II 202.

The inner layer tube II 203 is in contact with the inner layer tube I103 on the outer side of the resistance wire I104, and the outer layer tube II 201 is in contact with the inner layer tube I103 on the outer side of the resistance wire II 105.

The wiring mechanism 106 comprises a contact 107, a mounting hole 108, a limiting block 109, a wiring post 110, a limiting groove 111 and a thread ring 112, the position, close to the bottom, inside the mounting hole 108 is fixedly connected with the thread ring 112, the wiring post 110 is in threaded connection with the thread ring 112, the bottom of the wiring post 110 is fixedly connected with the contact 107, the contact 107 is in contact with the second resistance wire 105, the limiting groove 111 is fixedly connected with one side of the mounting hole 108, the limiting block 109 is fixedly connected with the wiring post 110, and the limiting block 109 is clamped in the limiting groove 111.

The working principle is as follows:

the position that is close to the bottom inside mounting hole 108 is fixedly connected with screw ring 112, threaded connection has terminal 110 in the screw ring 112, the bottom fixedly connected with contact 107 of terminal 110, contact 107 contacts with resistance wire two 105, one side fixedly connected with spacing groove 111 of mounting hole 108, fixedly connected with stopper 109 on the terminal 110, stopper 109 joint is in spacing groove 111, when working a telephone switchboard, rotates terminal 110 earlier, and contact 107 contacts with resistance wire two 105, communicates terminal 110 with external power supply again, heats the tubular product inner wall, and the structure of working a telephone switchboard adopts the segmentation structure, through the up-and-down motion of terminal 110, contacts resistance wire two 105 and external power supply.

In the description of the present invention, it should be understood that the terms "upper", "lower", "left", "right", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, only for convenience of description and simplification of description, but not for indicating or implying that the referred device or element must have a specific orientation and a specific orientation configuration and operation, and thus, should not be construed as limiting the present invention. Furthermore, "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate member, or they may be connected through two or more elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention, and should not be considered as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.

Claims (4)

1. An injection-molded RTP plastic composite pressure electric melting pipe fitting is composed of a pipe receiving piece (1) and capacitor pipe fittings (2), and is characterized in that the two capacitor pipe fittings (2) are connected through the pipe receiving piece (1), the pipe receiving piece (1) comprises an outer layer pipe I (101), an enhancement layer I (102), an inner layer pipe I (103), a resistance wire I (104) and a resistance wire II (105), mounting holes (108) are formed in the edge positions of two ends of one side of the outer layer pipe I (101), a wiring mechanism (106) is installed in the mounting holes (108), the wiring mechanism (106) comprises contacts (107), limiting blocks (109), wiring terminals (110), limiting grooves (111) and a threaded ring (112), the position inside the mounting hole (108) close to the bottom is fixedly connected with the threaded ring (112), the wiring terminals (110) are in threaded connection with the threaded ring (112), the bottom of the binding post (110) is fixedly connected with a contact (107), the contact (107) is in contact with the second resistance wire (105), one side of the mounting hole (108) is fixedly connected with a limiting groove (111), the binding post (110) is fixedly connected with a limiting block (109), and the limiting block (109) is clamped in the limiting groove (111).

2. An injection-molded RTP plastic composite pressure electric melting pipe fitting as claimed in claim 1, wherein a first reinforcing layer (102) is arranged inside the first outer layer pipe (101), a first inner layer pipe (103) is arranged inside the first reinforcing layer (102), two ends inside the first inner layer pipe (103) are in a step shape, a second resistance wire (105) is embedded inside a lower layer of the step, and a first resistance wire (104) is embedded inside an upper layer of the step.

3. An injection-molded RTP plastic composite pressure electrofusion pipe fitting according to claim 1, characterized in that the capacitor pipe fitting (2) comprises an outer pipe II (201), a reinforcement layer II (202), and an inner pipe II (203), the reinforcement layer II (202) is fixedly connected to the outer side of the inner pipe II (203), and the outer pipe II (201) is fixedly connected to the outer side of the reinforcement layer II (202).

4. An injection-molded RTP plastic composite pressure electric melting pipe fitting as claimed in claim 3, wherein the inner layer pipe II (203) is in contact with the inner layer pipe I (103) outside the resistance wire I (104), and the outer layer pipe II (201) is in contact with the inner layer pipe I (103) outside the resistance wire II (105).

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