Composite pipeline connecting structure
Technical Field
The utility model relates to a connection structure, in particular to composite pipe says connection structure belongs to nuclear power technical field.
Background
The compound pipeline is the tubular metal resonator and is the basis, the inside lining, the outer lining has the novel tubular product of plastic layer, it is big to have metal tubular product structural strength, not fragile advantage, it is corrosion-resistant also to have plastics tubular product, advantages such as insulating nature height, often be used for nuclear power technical field, pipe connection spare can be connected the pipeline head and the tail that the multistage is shorter in order and form longer pipeline, common compound pipeline connection structure's compensation ability is relatively poor, it is difficult to compensate the expend with heat and contract with cold that the pipeline leads to by temperature change, lead to the pipeline to break easily, and common compound pipeline connection structure is difficult to detect the pressure of pipeline inside.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a compound pipeline connection structure to solve the relatively poor problem of compensation ability of the common compound pipeline connection structure who provides in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a composite pipe connection structure, includes the connecting pipe, the water inlet has been seted up at the middle part on connecting pipe top, the fixed inlet tube that is equipped with in top of water inlet, the bottom fixed connection of bellows compensator and end is passed through on the top of inlet tube, the pressure port has been seted up to one side on connecting pipe top, the fixed pressure pipe that is equipped with in top of pressure port, the bottom threaded connection of pressure pipe and manometer, the delivery port has all been seted up, two to the both sides of connecting pipe bottom the bottom of delivery port is all fixed and is equipped with the outlet pipe, two the bottom of outlet pipe is respectively through the top of first ball valve and second ball valve and first internal thread pipe and the top fixed connection of second internal.
As an optimized technical proposal of the utility model, the top end of the end is fixedly provided with an external thread pipe.
As an optimized technical scheme of the utility model, the surface of connecting pipe and the surface of two outlet pipes all coat and have anticorrosive material.
As a preferred technical scheme of the utility model, the inner wall at first internal thread nose portion and the inside at second internal thread nose portion are all fixed and are equipped with the spacing collar.
As an optimal technical scheme of the utility model, two the bottom of spacing collar is all fixed and is equipped with the sealing washer.
As an optimized technical scheme of the utility model, the valve rod of first ball valve and the valve rod of second ball valve all adopt galvanized stainless steel material to make.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model relates to a compound pipeline connection structure, through the bottom fixed connection of the top of bellows compensator with the inlet tube and end, the compensation ability is good, can compensate the expend with heat and contract with cold that the pipeline leads to by temperature variation, avoid the pipeline to break, through setting up the manometer, can detect the inside pressure of pipeline, the people of being convenient for observe the inside pressure situation of pipeline in real time, set up first ball valve and second ball valve respectively through the bottom at two outlet pipes, be convenient for adjust the exit velocity of water of two outlet pipes, when needing to stop temporarily supplying water, close first ball valve and second ball valve respectively can, the operation of being convenient for, through setting up first internal thread pipe and second internal thread pipe respectively in the bottom of first ball valve and the bottom of second ball valve, be convenient for connect the output tube.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic sectional structure of the present invention;
fig. 3 is a schematic structural diagram of the bellows compensator according to the present invention.
In the figure: 1. a connecting pipe; 2. a water inlet; 3. a water inlet pipe; 4. a bellows compensator; 5. a tip; 6. an externally threaded tube; 7. a pressure port; 8. a pressure pipe; 9. a pressure gauge; 10. a water outlet; 11. a water outlet pipe; 12. a first ball valve; 13. a second ball valve; 14. a first internally threaded tube; 15. a second internally threaded tube; 16. a limiting ring.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the utility model provides a composite pipeline connecting structure, which comprises a connecting pipe 1, a water inlet 2 is arranged in the middle of the top end of the connecting pipe 1, a water inlet pipe 3 is fixedly arranged on the top end of the water inlet 2, the top end of the water inlet pipe 3 is fixedly connected with the bottom end of an end 5 through a bellows compensator 4, the top end of the water inlet pipe 3 is fixedly connected with the bottom end of the end 5 through the bellows compensator 4, the compensating capability is good, the pipe can compensate the thermal expansion and cold contraction caused by the temperature change, the pipe is prevented from being broken, a pressure port 7 is arranged on one side of the top end of the connecting pipe 1, a pressure pipe 8 is fixedly arranged on the top end of the pressure port 7, the pressure pipe 8 is in threaded connection with the bottom of the pressure gauge 9, the pressure gauge 9 is arranged, the pressure inside the pipe can be detected, the bottom ends of the two water outlets 10 are fixedly provided with water outlet pipes 11, and the bottom ends of the two water outlet pipes 11 are fixedly connected with the top end of a first internal threaded pipe 14 and the top end of a second internal threaded pipe 15 through a first ball valve 12 and a second ball valve 13 respectively.
Preferably, the top end of the end head 5 is fixedly provided with an external thread pipe 6, and the external thread pipe 6 is convenient for connecting an input pipe; the surface of the connecting pipe 1 and the surfaces of the two water outlet pipes 11 are coated with anticorrosive materials, so that the anticorrosive capability is good; the inner wall of the top of the first internal threaded pipe 14 and the inner part of the top of the second internal threaded pipe 15 are both fixedly provided with a limiting ring 16 which can limit the output pipe; sealing rings are fixedly arranged at the bottom ends of the two limiting rings 16, so that the sealing performance between the first internal thread pipe 14 and the output pipe and the second internal thread pipe 15 is improved; the valve rod of the first ball valve 12 and the valve rod of the second ball valve 13 are both made of galvanized stainless steel, so that the valve is high in strength, not prone to rusting and long in service life.
When specifically using, the utility model relates to a compound pipeline connection structure, at first be connected external thread pipe 6 and input tube, then respectively with first internal thread pipe 14 and second internal thread pipe 15 and output tube connection, the water reachs inlet tube 3 through the input tube, through connecting pipe 1 reposition of redundant personnel to two outlet pipes 11, discharge by two output tubes at last, the model can be ZJ-BCQ's bellows compensator 4 with the top of inlet tube 3 and the bottom fixed connection of end 5, the compensatory ability is good, can compensate the expend with heat and contract with cold that the pipeline leads to by temperature variation, avoid the pipeline to break, people can observe the inside pressure situation of pipeline through manometer 9, be convenient for adjust the exit velocity of two outlet pipes 11 through first ball valve 12 and second ball valve 13, when needing to stop supplying water temporarily, it can to close first ball valve 12 and second ball valve 13 respectively.
In the description of the present invention, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.