The variable union cross of a kind of threeway
Technical field
The present invention relates to hydraulic tubing interconnection technique field, particularly relate to the variable union cross of a kind of threeway.
Background technique
Pipe joint is hydraulic pressure term, and be connecting pipeline or the part that is contained in by pipeline on hydraulic element in hydraulic system, this is a kind of general name of the link can installed and removed in fluid passage.Existing pipe joint has one logical, two-way, three-way union, these are several is modal pipe joints, but in the application process of reality, due to the complexity of pipeline, need the pipe that connects more, it is not only only limited to one logical, two-way, threeway, also may can relate to four-way, if but directly produce four-way pipe joint its greatly can increase cost of production, and the usability of often kind of pipe joint is more single.
Summary of the invention
For the problems referred to above that prior art exists, the present invention is intended to reduce premised on cost of production, relate to the variable union cross of a kind of threeway of invention, the design of this pipe joint greatly reduces the cost of production of independent production threeway and four-way, and it is not only applicable to three-way pipeline but also is applicable to four-way pipeline, use flexibly, simplify the structure, be easy to produce manufacture in enormous quantities, production benefit can be made, and be convenient to connect dissimilar connecting tube, realize flexible control connection pipe flow.
In order to achieve the above object, the technical solution adopted in the present invention is as follows:
The variable union cross of a kind of threeway, comprises T-shape tube and connects body, to connect on two ends on body horizontal edge and vertical edge all integral hermetic casting threaded connectors at described T-shape tube, and the pipe joint one that has all been threaded on each described threaded connector; Connect at described T-shape tube and body is positioned at described T-shape tube and connects body vertical edge opposite site and be wholely set pipe joint two, the threaded pipe that described pipe joint two is reduced successively by pipe joint seat, some external diameters and pipe cap form, described pipe joint seat and described T-shape tube connect that body is through to be connected, connection is socketed layer by layer from big to small according to external diameter between some described threaded pipes, wherein described threaded pipe and the described T-shape tube of maximum outside diameter connect to be socketed between body and are connected, and on described pipe joint seat, be furnished with the described pipe cap be tightly connected with it.
Further improvement of the present invention is: on each described threaded pipe upper end-face edge, be all fixedly installed a pair elasticity twist joint block.
Further improvement of the present invention is: each described elasticity block of twisting joint is elliptical shape.
Further improvement of the present invention is: the internal diameter of described pipe cap and the external diameter of described pipe joint seat match, and arranges in described pipe cap inside the internal thread be meshed with the outside thread of described pipe joint seat.
Further improvement of the present invention is: the inside and outside portion of described pipe joint seat and the inside and outside portion of each described threaded pipe are equipped with internal thread and outside thread.
Further improvement of the present invention is: described T-shape tube connects body, described pipe joint one and described pipe joint two and is stainless steel.
The invention has the beneficial effects as follows: the present invention adopts and three-way union is become union cross, pass through pipe joint seat, threaded pipe and pipe cap realize the mutual conversion of four-way and threeway, during threeway, by pipe cap, threaded pipe is sealed in pipe joint seat, during four-way, open pipe cap, in threaded pipe is passed through successively, outside thread outwards extends, realize four-way, transform flexibly between threeway and four-way, convenient, and employing thread connecting mode, its good seal performance, dismounting, easy to maintenance, can clean in time, prevent pipe joint from blocking, the present invention carries out innovation to improve on the basis of three-way union, it simplifies the structure, be easy to produce in enormous quantities and manufacture, and cost of production is greatly reduced compared with independent production threeway or union cross, guarantee benefit, in addition, can realize requiring that the sealing of caliber connecting tube is docked to difference by the threaded pipe being socketed various outer diameter, and then realize adjustment, the control of convection cell different designs flow.
Accompanying drawing explanation
Schematic front view when Fig. 1 is three-way union of the present invention use.
Fig. 2 is non-connecting tube joint schematic front view for the moment in Fig. 1.
Fig. 3 is schematic front view when not connecting pipe cap in Fig. 1.
Schematic front view when Fig. 4 is union cross of the present invention use.
Fig. 5 is the structural representation of pipe joint two of the present invention.
Wherein: 1-T-shape tube connects body, 2-threaded connector, 3-pipe joint one, 4-pipe joint two, 41-pipe joint seat, 42-threaded pipe, 43-pipe cap, 5-elasticity is twisted joint block.
Embodiment
Below in conjunction with accompanying drawing, technological scheme of the present invention is further described.
With reference to the variable union cross of a kind of threeway shown in accompanying drawing 1-5, comprise T-shape tube and connect body 1, all integral hermetic casting threaded connectors 2 are connect on two ends on body 1 horizontal edge and vertical edge at described T-shape tube, and the pipe joint 1 that has all been threaded on each described threaded connector 2, pipe joint 1 inside arranges the internal thread matched with described threaded connector 2, both can realize being tightly connected by screw thread, each described threaded pipe 42 upper end-face edge is all fixedly installed a pair elasticity to twist joint block 5, each described elasticity twists joint block 5 for elliptical shape, elliptical shape facilitates staff to twist, reduce hand and receive unnecessary injury twisting joint in process, connect at described T-shape tube and body 1 is positioned at described T-shape tube and connects body 1 vertical edge opposite site and be wholely set pipe joint 24, described pipe joint 24 is by pipe joint seat 41, the threaded pipe 42 that some external diameters reduce successively and pipe cap 43 form, described pipe joint seat 41 and described T-shape tube connect that body 1 is through to be connected, some described threaded pipes 42 and described T-shape tube connect to be socketed between body 1 and are connected, and be mutually socketed connection from big to small according to external diameter between some described threaded pipes 42, in described pipe joint seat 41, in outside and each described threaded pipe 42, outside is equipped with internal thread and outside thread, and on described pipe joint seat 41, be furnished with the described pipe cap 43 be tightly connected with it, the internal diameter of described pipe cap 43 and the external diameter of described pipe joint seat 41 match, and the internal thread be meshed with the outside thread of described pipe joint seat 41 is set in described pipe cap 43 inside, wherein, the maximum described threaded pipe 42 of external diameter is threaded with described pipe joint seat 41, in remaining some threaded pipes 42 pass through, outside thread is threaded, be socketed layer by layer, the thickness of each threaded pipe 42 is all equal, namely each threaded pipe 42 external diameter is equal with the difference of internal diameter, the external diameter of a threaded pipe 42 and matching with the internal diameter of another threaded pipe 42 of its socket, in addition, can realize requiring that the sealing of caliber connecting tube is docked to difference by the threaded pipe 42 being socketed various outer diameter, and then realize the adjustment of convection cell different designs flow, control.
In the present invention, described T-shape tube connects body 1, described pipe joint 1 and described pipe joint 24 and is stainless steel, and stainless steel corrosion resistance is comparatively strong, can bear the severe corrosive that liquid brings, extend the working life of pipe joint.
In the present invention, pipe joint 1 and described T-shape tube connect body 1 and adopt thread connecting mode, the mode that is interconnected between some threaded pipes 42 of pipe joint 24 inside and the Placement between threaded pipe 42 and pipe joint seat 41 also adopt thread connecting mode, the advantage of thread connecting mode is that structure is simple, easy to operate, and good seal performance, avoid intravenous extravasation.
In the present invention, two elasticity are twisted joint, and block 5 is corresponding to be arranged on threaded pipe 42, towards the opposite, arranging the twist joint object of block 5 of elasticity is when threeway is become four-way, can be very fast and conveniently by elasticity block 5 of twisting joint, each threaded pipe 42 twisting to be extended, elasticity block 5 of twisting joint can also play a positioning action, guarantees that each threaded pipe 42 is twisted joint and puts in place.
When using as threeway, only some threaded pipes 42 need be arranged on downwards in pipe joint seat 41, then be connected on pipe joint seat 41 by pipe cap 43 thread bush, realize pipe joint 24 and seal not fluid; When using as four-way, open pipe cap 43, successively threaded pipe 42 is upwards rotated stretching, extension by elasticity block 5 of twisting joint, realize four-way, simple to operate.