A kind of distribution piping
The present invention relates to building field, relate in particular to a kind of distribution piping, described distribution piping is applied in water heating system and hot and cold water supply, distributes, to guarantee the balance of pressure difference for the fluid of (between heating equipment and distribution apparatus) between distinct device.
Known a kind of distribution piping, comprise the elongated shape housing with longitudinal chamber, be disposed with the joint of multiple sides connecting tube at described housing, each joint comprises connecting branch and adjusting arm, and two arms are positioned on an axis and with housing shaft and meet at right angle.The longitudinal chamber to housing is all opened in the chamber of these two arms.Distribution piping also comprises a valve head with gate, with the gate installation of base in mounting sleeve and can move back and forth and fix position.In longitudinal chamber of housing, round the vent needle of opening to connecting branch chamber, valve head base is provided with to attachment face.Valve head is arranged on and is regulated on arm (WO2009/072873A2, international classification number F16L15/06,2009, Figure 10 A, Figure 10 B, Figure 12) by screw thread.
Below in known allocation pipe, liquid stream is not flowed through base, through connecting branch, flow out from the radial cavity of housing.Now because the alternately impinge refluxing causes having occurred fluctuation, thereby destroyed the normal work of valve head in the tolerance of valve head joint and interstice coverage.In the time there is this fluctuation, keep the setting value of pressure reduction to become impossible by valve joint.
Summary of the invention
Technological achievement of the present invention is to have expanded a kind of equipment that is used in dispensing water between various heating equipments and distribution apparatus, described equipment is equipped with valve head, in any case making fluid entrance and exit connecting tube can guarantee to supply water below the base of each valve head, owing to avoiding valve head element to occur fluctuation, can make the adjustment value numerical stability of the pressure of the liquid distributing.
This technological achievement realizes by a kind of distribution piping.Described distribution piping comprises the thin-long casing with longitudinal chamber, is disposed with the joint of at least two side connecting tubes on described housing.
The joint of each side connecting tube comprises:
Radially arm, the chamber of described radially arm communicates with longitudinal chamber of housing by the hole on housing;
Be arranged on the both sides of arm radially the connecting branch on same axis and regulate arm;
Valve head, described valve head comprises the gate with base, and is arranged in mounting sleeve and can moves back and forth and fix position.
On housing, radially round the vent needle of opening in the longitudinal chamber of housing, valve head base is provided with to basic attachment face in the chamber of arm.
On the internal surface of arm radially, round the vent needle of opening in connecting branch chamber, valve head base is provided with to extra attachment face.
Radially arm and adjusting arm are provided with threaded area in that side of free end, valve head are fixed on an arm with mounting sleeve by threaded area, and plug screw is fixed on another arm.
Distribution piping manufactured according to the present invention, is the shape of side connecting tube joint with the difference of known arrangement.
In most preferred embodiment of the present invention, the axle of connecting branch and adjusting arm and the radially axle of arm meet at right angle.
In most preferred embodiment of the present invention, connecting branch and the adjusting axle of arm and the axle of housing are also crossed as right angle.
Conventionally, connecting branch is provided with threaded area in this side of free end and is used for connecting tube accessory.
Brief description of the drawings
With specific embodiment confirm that by reference to the accompanying drawings the present invention realizes the possibility of above-mentioned technological achievement.
Fig. 1 is when radially valve head being installed on arm, and in the time regulating on arm construction bolt, the distribution piping sectional view using the joint plane of side connecting tube as cross section.
Fig. 2 is when radially plug screw being installed on arm, and regulating while valve head being installed on arm, the distribution piping sectional view using the joint plane of side connecting tube as cross section.
Fig. 3 is the distribution piping housing with the joint of two side connecting tubes.
Fig. 4 is the sectional view using the joint plane of side connecting tube as the distribution piping housing in cross section.
Distribution piping comprises the thin-long casing 1 with longitudinal chamber 2, is disposed with the joint of at least two side connecting tubes on described housing 1.The joint of each side connecting tube comprises radially arm 3, the chamber 4 of described radially arm 3 communicates with longitudinal chamber 2 by the hole 5 on housing 1, also comprise and be arranged on the both sides of arm 3 radially the connecting branch on same axis 6 and regulate arm 7, plug screw 8 and with the valve head of gate 9, described gate 9 is with a base 10, and is arranged in threaded 12 mounting sleeve 11 and can moves back and forth and fix position.
Gate 9 with connect together with the movable screw rod 13 of bar 14, described bar 14 is arranged in mounting sleeve 11 and can rotates, in order hand rotation to be provided with handle 15 at outstanding that the outside end of bar 14.
On housing 1, be radially provided with basic attachment face 16 round the hole 5 of opening in the longitudinal chamber 2 of housing 1 for valve head base 10 in the chamber 4 of arm 3.
On the internal surface of arm 3 radially, be provided with extra attachment face 19 round opening to connecting branch 6 18Nei holes, chamber 17 for valve head base 10.
Radially arm 3 and adjusting arm 7 are provided with threaded area 20,21 in this side of free end, use mounting sleeve 11 that valve head is fixed on an arm by threaded area, and plug screw 8 is fixed on another arm.
In the scheme providing at Fig. 1, valve head is fixed on radially on arm 3 by mounting sleeve 11, and base 10 can join with basic attachment face 16.Regulate arm 7 use plug screws 8 to block.In this scheme, fluid enters the chamber 4 of arm 3 radially from the longitudinal chamber 2 of housing 1, discharges through connecting branch 6 from this.Described connecting branch 6 can be connected with pipe fittings (not showing in figure) by the threaded area 22 of this side of free end.
In the scheme providing at Fig. 2, valve head is fixed on and is regulated on arm 7 by mounting sleeve 11, and base 10 can join with extra attachment face 19.Radially arm 3 use plug screws 8 are blocked.In this scheme, fluid enters longitudinal chamber 2 of housing 1 by connecting branch 6.
According to connecting needs, or as shown in Figure 1, or the connection of carrying out as shown in Figure 2 valve head and plug screw 8 is so that at 10 times accommodating fluids of base.Owing to getting rid of the possibility that occurs fluctuation, so can guarantee that the adjusted position of base 10 is firm.By described adjusted position, the hydrodynamic pressure in system is carried out to given distribution.
For installing and to use the structure of most convenient be connecting branch 6 and regulate the axle of arm 7 and the axle of arm 3 radially to meet at right angle, be crossed as right angle (Fig. 3, Fig. 4) with the axle of housing 1 simultaneously.
Be provided with the joint arm with outside thread 23 and internal thread 24 at the two ends of housing 1, be used for being connected in pipe-line system or be used for shutoff.
Above-mentioned listed embodiment is also not exhaustive.The present invention also has other possible embodiments.All parts of distribution piping manufactured according to the present invention are all to use daily material, make according to conventionally known technique.