CN201003817Y - Duplex liquid phase balancing unit - Google Patents

Abstract

The utility model relates to a twin liquid phase balancing device, including two pump bodies, a left liquid supply mechanism and a right liquid supply mechanism which are independently arranged in the pump bodies together with two shafts, a plurality of coupled piston, a side cover and an end cover. The pumps are positioned at the outlets of the left and the right liquid supply mechanism and are respectively provided with a left axial hole and a right axial hole, with the two holes both provided with a coupled piston inside. A left liquid outlet hole and a right liquid outlet hole are correspondingly arranged above the left axial hole and the right axial hole. The side cover and the end cover are respectively arranged at the two ends of the pump body, and the end cover is provided with a spring, whose top is at one end of the piston and whose inner cavity is communicated with a bypass tunnel and a right flowing tunnel through the pump. The utility model regulates forcefully the different pressures in the two tunnels so as to achieve the distribution of the flow rate. The utility model is convenient in control and has no external power and saves energy.

Description

Duplex liquid equilibrium device

Technical field

The utility model relates to the liquid transporting apparatus in a kind of liquid-supplying system, especially relates to a kind of duplex liquid equilibrium device.

Background technology

In residential quarters central heating system and some industrial heating systems, owing to not only need supply cold water but also need hot-water supply, need to lay respectively hot and cold water two cover pipe networks in the whole pipe network system, when the user uses, by regulating the aperture of valve on the two cover webmaster pipelines, reach the required water temperature of user.Because cold water is different with the temperature of hot water, factors such as liquid on-way resistance, floor cause cold and hot hydraulic pressure to differ bigger in addition, cause both flows to change.Therefore the user because flow is wayward, not only can increases the adjusting time, but also can cause waste when regulating hot and cold water.On the other hand, in this type of heating system as need add up cold water and hot water consumption the time, because of the pressure of hot and cold water differs bigger, so can't add up the consumption of hot and cold water with a water meter, can only water meter is being installed respectively add up water consumption on the cold water pipe of each household and on the hot-water line, this has not only increased the manufacturing cost of whole webmaster, and increases difficulty of construction.

Summary of the invention

The purpose of this utility model provides a kind of forced adjustment of the liquid of two-way different pressures being carried out and reaches required liquid measure distribution, and control is convenient, and does not have the duplex liquid equilibrium device of external power.

The utility model is that the technical scheme that achieves the above object is: a kind of duplex liquid equilibrium device is characterized in that: comprise the pump housing, coaxial interior separate left conveying mechanism and right conveying mechanism, coupled piston, side cover and the end cap of the pump housing that be installed in; The exit that the pump housing is positioned at left conveying mechanism and right conveying mechanism is provided with left duct and the right duct that communicates, and be equipped with in left duct and the right duct by left piston and right piston and be arranged on left piston and right piston between the coupled piston mechanism that constitutes of piston rod, the left duct of the pump housing and top, right duct are provided with corresponding left fluid hole and right fluid hole, and the bottom that the pump housing is positioned at left conveying mechanism and right conveying mechanism also is provided with corresponding left inlet opening and right inlet opening; Described side cover and end cap are sealedly connected on the two ends of the pump housing respectively, the side cover inner chamber is equipped with spring, spring withstands on the end face of right piston or left piston, and the side cover inner chamber communicates with right fluid hole or left fluid hole by the bypass duct of the pump housing, the pump housing is provided with passage with respect to the end of bypass duct opposite side, and passage communicates with left fluid hole and right fluid hole.

The utility model is provided with the conveying mechanism of left and right two interlocks in the pump housing, so send into the left and right conveying mechanism of the pump housing when the two-way pressure liquid different after with flow, because of moving simultaneously, left and right conveying mechanism force flow to be exported by preset proportion to sending into liquid, fluid flow is redistributed to reach pressure balance, made things convenient for the user that hot and cold water is regulated.In addition, the utility model is equipped with the spring that withstands on right piston or left piston one side at the side cover inner chamber, can regulate the longitudinal balance position of two coupled pistons by the elastic force of spring.The utility model is by the bypass duct and the passage of pump housing both sides, when the user opens or closes any one fluid hole on the pump housing, control left and right position of piston by the elastic force of spring, and can open or close the outlet of the two-way conveying mechanism on the pump housing automatically, realize control automatically.Duplex liquid equilibrium device of the present utility model is because no additionaling power, and compact conformation, energy-conservation realizes that the two-way water flow equates, therefore can carry out hot and cold water and exchange, and realizes that a water meter just can add up the consumption of hot and cold water.

Description of drawings

Below in conjunction with accompanying drawing embodiment of the present utility model is described in further detail.

Fig. 1 is the structural representation of the utility model duplex fluid balance device.

Fig. 2 is the sectional structure schematic diagram of the A-A of Fig. 1.

Fig. 3 is the sectional structure schematic diagram of the B-B of Fig. 1.

Fig. 4 is the sectional structure schematic diagram of the C-C of Fig. 2,

Fig. 5 is a structural representation of removing end cap.

Structural representation when Fig. 6 is the unlatching of the utility model duplex fluid balance device.

Wherein: the 1-end cap; The 2-pump housing; 2-1-left side fluid hole; Duct, a 2-2-left side; The right duct of 2-3-; The right fluid hole of 2-4-; 2-5-bypass duct; The right inlet opening of 2-6-; 2-7-left side inlet opening; The 2-8-passage; The 3-left piston; The 4-sealing plate; The 5-seal receptacle; The 6-piston rod; The 7-sealing plate; The right piston of 8-; The 8-1-spring base; The 9-spring; The 10-side cover; 11-main shaft I; The right conveying mechanism of 12-; The 13-bearing; The 14-bearing block; 15-left side conveying mechanism; 16-main shaft II, the 17-bearing.

The specific embodiment

Duplex liquid equilibrium device of the present utility model shown in Fig. 1～5 comprises two separate left conveying mechanisms 15 and right conveying mechanism 12 and coupled piston, side cover 10 and the end cap 1 of coaxial loads in the pump housing 2, the pump housing 2.See that left conveying mechanism 15 of the present utility model shown in Fig. 3～5 and right conveying mechanism 12 are by main shaft I11 and main shaft II 16 be installed in that intermeshing two pairs of gears constitute on main shaft I 11 and the main shaft II 16, main shaft I 11 is connected on the pump housing 2 by the bearing 13 that is installed in the bearing block 14, main shaft II 16 then is connected with gear by two pairs of bearings 17, these two pairs of gears can adopt the number of teeth and the identical gear of modulus, make output flow identical.Perhaps the number of teeth of two pairs of gears and modulus can be provided with in proportion, or press the output flow setting of liquid.Left conveying mechanism 15 of the present utility model and right conveying mechanism 12 also can by be arranged on two stators in the pump housing 2, coaxial two rotors are set and are arranged on two epitrochanterian blades constitute.In radius by stator, the off-centre of the relative rotor center of stator center apart from and the width of stator change flow.See shown in Figure 2, the exit that the pump housing 2 is positioned at left conveying mechanism 15 and right conveying mechanism 12 is provided with left duct 2-2 and the right duct 2-3 that communicates separately, the left duct 2-2 of the pump housing 2 is identical with the aperture of right duct 2-3, and be equipped with in left duct 2-2 and the left duct 2-3 by left piston 3 and right piston 8 and be arranged on left piston 3 and right piston 8 between the coupled piston that constitutes of piston rod 6, see shown in Figure 6, the left duct 2-2 of the pump housing 2 and 2-3 top, right duct are provided with corresponding left fluid hole 2-1 and right fluid hole 2-4, and the pump housing 2 is positioned at left inlet opening 2-7 and right inlet opening 2-6 that the bottom of left conveying mechanism 15 and right conveying mechanism 12 also is provided with correspondence, after the two-way liquid of different in flow rate and flow enters from left inlet opening 2-7 and right inlet opening 2-6, left conveying mechanism 15 and right conveying mechanism 12 flow velocity and the flow that change liquid by interlock, from left fluid hole 2-1 and right fluid hole 2-4 output, reach required balance again.See that side cover 10 of the present utility model shown in Fig. 3,5 and end cap 1 are sealedly connected on the two ends of the pump housing 2 respectively, side cover 10 inner chambers are equipped with spring 9, spring 9 withstands on an end of piston 8 and spacing by the spring base 8-1 on piston 8 ends, end cap 1 inner chamber communicates with right fluid hole 2-4 by the bypass duct 2-5 of the pump housing 2, be provided with passage 2-8 and the pump housing 2 is positioned at the end of bypass duct 2-5 opposite side, passage 2-8 communicates with left fluid hole 2-7.Bypass duct 2-5 on the utility model pump housing 2 can communicate with left fluid hole 2-1, and the end of the opposite side of the pump housing 2 is provided with passage 2-8, by the fluid pressure in fluid hole and the passage 2-8 and and the elastic force of spring 9 control the position of coupled piston automatically, stably open or close the outlet of the two-way conveying mechanism on the pump housing 2 automatically, realize the purpose of control automatically.

The utility model is in order to process for promptly being convenient to, convenient again the installation, see that piston rod shown in Figure 26 for split type, is provided with seal receptacle 5 between left duct 2-2 and the right duct 2-3, piston rod 6 is through in the via hole of seal receptacle 5 and can be reciprocating at left duct 2-2 and right duct 2-3.Preferably seal receptacle 5 is fixed between left duct 2-2 and the right duct 2-3, and the both ends of the surface of seal receptacle 5 are inclined-plane or the cambered surfaces with indent, and the inclined-plane of flexible sealing plate 4,7 on left piston 3 and right piston 8 inner faces and seal receptacle 5 or cambered surface match and seal.Sealing seat 5 of the present utility model also can fixedly connected piston rod 6 on, in left duct 2-2 and right duct 2-3, slide, the both ends of the surface of same seal receptacle 5 are inclined-plane or the cambered surfaces with indent, the sealing that matches of sealing plate 4,7 on left piston 3 and right piston 8 inner faces and the inclined-plane of seal receptacle 5 or cambered surface is to prevent two road current crossfires.

See shown in Figure 6, when the user opens wherein one tunnel water route, in inlet opening under the effect of hydraulic pressure, conveying mechanism rotates, water is passed through passage 2-8 and duct, make the pressure of the pressure of liquid in the duct, the left piston 3 of coupled piston mechanism and right piston 8 are moved axially, and open the two-way fluid hole simultaneously greater than spring 9.When the user closes wherein one tunnel water route, because the hydraulic pressure in the inlet opening disappears, make the hydraulic pressure of the pressure of spring 9 greater than the duct, under the effect of spring 9, the left piston 3 of coupled piston mechanism and right piston 8, partially liq enters in the fluid hole by bypass duct 2-5, and closes the two-way fluid hole simultaneously.

Claims (7)

1, a kind of duplex liquid equilibrium device is characterized in that: comprise the pump housing (2), coaxial interior separate left conveying mechanism (15) and right conveying mechanism (12), coupled piston, side cover (10) and the end cap (1) of the pump housing (2) that be installed in; The exit that the pump housing (2) is positioned at left conveying mechanism (15) and right conveying mechanism (12) is provided with left duct (2-2) and right duct (2-3) that communicates, be equipped with in a left side duct (2-2) and right duct (2-3) by left piston (3) and right piston (8) and be arranged on left piston (3) and right piston (8) between the coupled piston mechanism of piston rod (6) formation, the left duct (2-2) of the pump housing (2) and top, right duct (2-3) are provided with corresponding left fluid hole (2-1) and right fluid hole (2-4), and the bottom that the pump housing (2) is positioned at left conveying mechanism (15) and right conveying mechanism (12) also is provided with corresponding left inlet opening (2-7) and right inlet opening (2-6); Described side cover (10) and end cap (1) are sealedly connected on the two ends of the pump housing (2) respectively, side cover (10) inner chamber is equipped with spring (9), spring (9) withstands on the end face of right piston (8) or left piston (3), and side cover (10) inner chamber communicates with right fluid hole (2-4) or left fluid hole (2-1) by the bypass duct (2-5) of the pump housing (2), the pump housing (2) is provided with passage (2-8) with respect to the end of bypass duct (2-5) opposite side, and passage (2-8) communicates with left fluid hole (2-1) and right fluid hole (2-4).

2, duplex liquid equilibrium device according to claim 1 is characterized in that: the described pump housing (2) is positioned between left duct (2-2) and right duct (2-3) seal receptacle (5) also is installed, and piston rod (6) is through in the via hole of seal receptacle (5).

3, duplex liquid equilibrium device according to claim 2, it is characterized in that: described seal receptacle (5) is fixed on the pump housing (2), the both ends of the surface of seal receptacle (5) are the inclined-plane or the sphere of indent, the sealing that matches of the inclined-plane of the sealing plate (4) on left piston (3) and right piston (8) inner face, (7) and seal receptacle (5) or sphere.

4, duplex liquid equilibrium device according to claim 2, it is characterized in that: described seal receptacle (5) is fixedly connected on the piston rod (6), the both ends of the surface of seal receptacle (5) are the inclined-plane or the sphere of indent, the sealing that matches of the inclined-plane of the sealing plate (4) on left piston (3) and right piston (8) inner face, (7) and seal receptacle (5) and cambered surface.

5, duplex liquid equilibrium device according to claim 1 is characterized in that: the left duct (2-2) of the described pump housing (2) is identical with the aperture of right duct (2-3).

6, duplex liquid equilibrium device according to claim 1 is characterized in that: described left conveying mechanism (15) and right conveying mechanism (12) are by main shaft I (11) and main shaft II (16) and be fixedly connected on main shaft I (11) and the upward intermeshing two pairs of gears formation of main shaft II (16).

7, duplex liquid equilibrium device according to claim 1 is characterized in that: described left conveying mechanism (15) and right conveying mechanism (12) are by two rotors that are connected two stators in the pump housing (2), coaxial setting and be arranged on two epitrochanterian blades formations.

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