CN202040472U

CN202040472U - Electromagnetic fusion connection structure of plastic pipe

Info

Publication number: CN202040472U
Application number: CN2011201488546U
Authority: CN
Inventors: 徐焕松; 王鹊鸣
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-05-09
Filing date: 2011-05-09
Publication date: 2011-11-16
Anticipated expiration: 2021-05-09

Abstract

The utility model discloses an electromagnetic fusion connection structure of a plastic pipe, belonging to the technical field of pipe connection. The electromagnetic fusion connection structure of the plastic pipe comprises the plastic pipe and a plastic pipe joint. The plastic pipe joint is provided with at least two communicated connection ends. The plastic pipe is inserted into the plastic pipe joint on which at least one connection end is arranged. A spring which is electromagnetically fused with the plastic pipe joint and the plastic pipe is arranged between the plastic pipe joint and the plastic pipe. A stepped through hole and a stepped hole which is arranged on the periphery of the stepped through hole are arranged in the plastic pipe joint. The plastic pipe stretches into the stepped through hole. The spring resists against the step on the stepped hole and is in contact with the corresponding external surface of the plastic pipe. By adopting the structure, the electromagnetic fusion connection structure of the plastic pipe has the advantages that the structure is concise, the number of assembling parts is small, the low-cost spring is only required to be used as a heating carrier, the heating carrier and the plastic pipe joint are arranged in a split way, and the structure is easy to implement and convenient to operate; and since electromagnetic induction heating is adopted and the plastic pipe is fused with the plastic pipe joint through the spring, the goals of electricity saving, consumption reduction and cost reduction are achieved.

Description

The plastic pipe electromagnetism melts linkage structure

[technical field]

The utility model belongs to pipe connecting structure, specifically is meant the molten linkage structure of plastic pipe electromagnetism that a kind of heat realization plastic tube that produces by electromagnetic field is connected with joint for plastic tube.

[background technique]

The mode of heating that pipeline connects on the present stage market generally adopts the heating of resistance wire electric heating coil, all mould at the left and right two connecting end inwalls of two logical joint for plastic tubes and to be shaped on one group of electric heating coil, and two groups of electric heating coils link up from beginning to end, the resistance wire of drawing of two groups of electric heating coils is connected with the plug of moulding on joint for plastic tube respectively, plastic tube is inserted on the connecting end of joint for plastic tube, by to the electric heating coil heating, can make plastic tube and joint for plastic tube realize that hot melt is connected.If need connect plastic tube at three connecting end hot melts of threeway joint for plastic tube, then need to mould again one group of electric heating coil of system and two plugs.

Anatomize said structure, be not difficult to find that there is following deficiency in it:

1, joint for plastic tube complex structure, at least need to use two groups of electric heating coil and corresponding two plugs that can be electrically connected that link up from beginning to end, electric heating coil need weld with plug, and electric heating coil, plug all need mould with joint for plastic tube and make one, processing link is many, the manufacture cost height;

2, adopt the resistance wire mode of heating to carry out pipeline and connect, its power consumption is bigger, has further improved the pipeline link cost.

In view of this, existing plastic pipe linkage structure has the necessity of improvement in fact.

[model utility content]

Problem to be solved in the utility model is to provide a kind of plastic pipe electromagnetism simple for structure, that economize on electricity consumption reduction cost is low molten linkage structure at the deficiency of above-mentioned prior art existence.

For solving the problems of the technologies described above, the utility model provides following technological scheme:

The plastic pipe electromagnetism melts linkage structure, comprise plastic tube and joint for plastic tube, described joint for plastic tube has the connecting end of at least two connections, be plugged with plastic tube in the joint for plastic tube at least one connecting end place, between described plastic tube and joint for plastic tube, spring is installed, and spring by electromagnetic induction heating and plastic tube, joint for plastic tube electromagnetic welding together.

Above-mentioned joint for plastic tube inside also forms step through-hole and is positioned at the ladder step hole of step through-hole outer rim, and plastic tube stretches in the step through-hole, and spring is resisted against on the ladder step of ladder step hole, and it touches mutually with the corresponding outer surface of plastic tube.

Joint for plastic tube only is provided with step through-hole and ladder step hole, do not need to do special structural design, therefore processing request is low, make plastic tube be pushed in the step through-hole like a cork, and spring can be accurately in place and be fully contacted with joint for plastic tube, plastic tube, so help plastic tube and joint for plastic tube reliably, welding quickly puts in place, can not connect off normal.

In the ladder step hole at place, the above-mentioned spring outside also against the colored plastic identification ring is arranged, the outer surface that colored plastic identification ring and plastic tube are corresponding touches mutually, colored plastic identification ring part when thermal expansion is exposed to outside the joint for plastic tube, and itself and plastic tube, joint for plastic tube electromagnetic welding.

The colored plastic identification ring sign of emergence is eye-catching, durable in use.

The color of above-mentioned colored plastic identification ring and plastic tube is or/and the color of joint for plastic tube is inequality.

Can conveniently recognize ducted medium by means of the colored plastic identification ring, such as when recognizing hot and cold water pipe, then seeming very clear.

Compared with prior art, the utlity model has following advantage and beneficial effect:

Simple for structure, Assembly part is few, only needs spring with low cost as the heating carrier, and before electromagnetic induction heating, this heating carrier and joint for plastic tube, plastic tube all are the split configuration, so easy to implement, easy to operate; The utilization electromagnetic induction heating with spring and plastic tube, joint for plastic tube welding, reaches the purpose that economize on electricity reduces cost, and plastic tube, joint for plastic tube can both realize direct welding through the spring ring gap when fusion, so the heat seal strength height.

[description of drawings]

Be described in further detail with regard to the utility model below in conjunction with accompanying drawing.

Fig. 1 is a section of structure of the present utility model.

[embodiment]

Seeing also shown in Figure 1ly, is preferred embodiment of the present utility model.

The plastic pipe electromagnetism melts linkage structure, and it is made up of plastic tube 1, joint for plastic tube 2, spring 3 and colored plastic identification ring 4.

Joint for plastic tube 2 has the connecting end 20 of at least two connections, (shown in the figure is two logical joint for plastic tubes, certainly can also be the threeway joint for plastic tube, the four-way plastic pipe joint is first-class), and be plugged with plastic tube 1 in the joint for plastic tube 2 at least one connecting end 20 place, (the right connecting end of two logical joint for plastic tubes has a plastic tube by the electromagnetic induction heating welding among the figure, need dispose 3 springs during such as three plastic tubes of threeway joint for plastic tube welding, then need dispose 4 springs during four plastic tubes of four-way joint for plastic tube welding, can carry out the pipeline connection) but only need use an electromagnetic induction heater.

Wherein, joint for plastic tube 2 inside also form step through-hole 22 and are positioned at the ladder step hole 21 of step through-hole 22 outer rims, plastic tube 1 stretches into step through-hole 22, touch mutually with step 221 until its top end, behind spring 3 hoop sleeving plastic pipes 1 dip section, ladder step 211 until spring 3 medial extremity conflict ladder step holes 21, plastic tube 1 dip section also binds round and is with colored plastic identification ring 4, colored plastic identification ring 4 also is arranged in ladder step hole 21, and touch mutually with spring 3 outboard ends, spring 3 is for adopting the cylindrically coiled spring of steel wire coiling.

Carry out induction heating in the plugging position periphery by 5 pairs of plugging position of electromagnetic induction heater, make insertion section and joint for plastic tube 2, the colored plastic identification ring 4 of plastic tube 1 be fused together, realized plastic tube 1, joint for plastic tube 2, colored plastic identification ring 4 these threes' connection after the cooling, and colored plastic identification ring 4 follows that some is exposed to outside the joint for plastic tube 2 in its thermal expansion process, finishes the sign to pipeline by this.

For ease of identification, the color of colored plastic identification ring 4 and plastic tube 1 is or/and the color of joint for plastic tube 2 is inequality, such as representing that with redness hot water pipeline, blueness represent cold water pipes.

Concrete assembling, during connection, be inserted in colored plastic identification ring 4 earlier at plastic tube 1 any end, and then be inserted in spring 3, under the situation that props up colored plastic identification ring 4 with hand, plastic tube 1 is stretched in the step hole 22 then, step 221 until plastic tube 1 interior edge face conflict step through-hole 22, at this moment, also the conflict ladder step 211 of ladder step hole 21 of spring 3 the inners, colored plastic identification ring 4 is positioned at ladder step hole 21 just fully, from the periphery of plugging position plugging position is applied induction field with electromagnetic induction heater 5 afterwards, make spring 3 self-heatings, consequent continuous high temperature is with spring 3, plastic tube 1, joint for plastic tube 2 is fused together, and colored plastic identification ring 4 and plastic tube 1, joint for plastic tube 2 is fused together, promptly realize the welding of plastic tube 1 and joint for plastic tube 2 after the cooling, and colored plastic identification ring 4 internal surfaces and plastic tube 1 corresponding outer surface welding, colored plastic identification ring 4 outer surfaces and the 21 corresponding sidewall weldings of ladder step hole, wherein, colored plastic identification ring 4 is in the expanded by heating process, and its part is exposed to outside the joint for plastic tube 2.

Claims

1. a plastic pipe electromagnetism melts linkage structure, comprise plastic tube and joint for plastic tube, described joint for plastic tube has the connecting end of at least two connections, be plugged with plastic tube in the joint for plastic tube at least one connecting end place, it is characterized in that: between described plastic tube and joint for plastic tube, spring is installed, and spring and plastic tube, joint for plastic tube electromagnetic welding are together.

2. plastic pipe electromagnetism as claimed in claim 1 melts linkage structure, it is characterized in that: described joint for plastic tube inside also forms step through-hole and is positioned at the ladder step hole of step through-hole outer rim, described plastic tube stretches in the step through-hole, described spring is resisted against on the ladder step of ladder step hole, and it touches mutually with the corresponding outer surface of plastic tube.

3. plastic pipe electromagnetism as claimed in claim 2 melts linkage structure, it is characterized in that: in the ladder step hole at place, the spring outside also against the colored plastic identification ring is arranged, the outer surface that colored plastic identification ring and plastic tube are corresponding touches mutually, colored plastic identification ring part when thermal expansion is exposed to outside the joint for plastic tube, and itself and plastic tube, joint for plastic tube electromagnetic welding.

4. plastic pipe electromagnetism as claimed in claim 3 melts linkage structure, it is characterized in that: the color of described colored plastic identification ring and described plastic tube is or/and the color of joint for plastic tube is inequality.