High-stability hydraulic distributor

Abstract

The utility model relates to a high-stability hydraulic distributor. The hydraulic distributor comprises a hydraulic distribution cavity and a pressure-stabilizing water distribution cavity. The hydraulic distribution cavity is provided with an external water inlet interface, a water return interface, an external water outlet interface and a communication interface A; the pressure-stabilizing water distribution cavity comprises a water distribution interface and a communication interface B; the water return interface and the water distribution interface are directly connected in series with an external load; the communication interface A is communicated with the communication interface B; the vertical section of the hydraulic distribution cavity is in a flat oval shape; the external water inlet interface and the external water outlet interface are arranged on the lower side surface of the hydraulic distribution cavity; the communication interface A is arranged on the upper side surface of the hydraulic distribution cavity; the backwater interfaces are arranged at the left and right ends of the hydraulic distribution cavity; the communicating interface B is arranged on the lower side surface of the pressure-stabilizing water diversion cavity; the water distribution connectors are arranged at the left and right ends of the pressure-stabilizing water distribution cavity. The coanda effect is utilized to enable water flow in the hydraulic distribution cavity to horizontally move along the front end and the rear end, the water flow is naturally divided and circulates along the channels, the fluid stability is good, and the hydraulic distributor can conveniently adjust and balance water quantity and decouple hydraulic power.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of hydraulic distributor, in particular to a high stable hydraulic distributor. BACKGROUND

[0002] Hydraulic distributor is a kind of equipment for adjusting the water flow between the branch of balanced pipeline system, is widely used in heating ventilation air conditioning system, water supply and drainage system and industrial pipeline network.Usually, hydraulic distributor includes the hydraulic distribution cavity and the pressure-stabilizing water distribution cavity that are interconnected;Hydraulic distribution cavity is equipped with external water inlet interface, backwater interface, external water outlet interface;Pressure-stabilizing water distribution cavity includes water distribution interface;The number of backwater interface is equivalent to the number of water distribution interface;Backwater interface and water distribution interface are directly connected with external load;The external load is the functional components of heating ventilation air conditioning system / water supply and drainage system / industrial pipeline network;External water inlet interface is communicated with external water source;External water outlet interface is the discharge end of entire hydraulic distributor.The existing hydraulic distribution cavity is rectangular cavity or cylindrical cavity;And the hydraulic distribution cavity includes the water flow from external water inlet interface to pressure-stabilizing water distribution cavity, the water flow from backwater interface to external water outlet interface or pressure-stabilizing water distribution cavity;Two water flows interfere with each other, cause turbulence phenomenon, are not conducive to the adjustment balance of hydraulic distributor to water flow direction, flow velocity, flow. SUMMARY

[0003] The utility model aims at solving above-mentioned problem, provides a kind of high stable hydraulic distributor.

[0004] The utility model discloses a high-stable water power distributor which comprises a water power distribution cavity and a steady pressure water distribution cavity which are communicated with each other.

[0005] Preferably, the high-stable water power distributor further comprises a water pump; the communicating interface alpha is communicated with an input end of the water pump; the communicating interface beta is communicated with an output end of the water pump; and the water pump provides power for the water flow in the water power distributor.

[0006] Further, the water pump is a variable frequency water pump which can effectively control the flow of the water power distributor.

[0007] The variable frequency water pump can change the flow Q1 from the water power distribution cavity to the steady pressure water distribution cavity; by adjusting the flow Q1, the flow Q1 is made different from the flow Q2 of the external water source flowing through the external water inlet, so that different water flow directions can be formed in the water power distribution cavity.

[0008] When Q1>Q2, the water flow from the external water source is insufficient, and a part of the water flow entering the hydraulic distribution cavity from the return water interface enters the communication interface A through the protruding parts at the front and rear ends of the hydraulic distribution cavity; the flow of this part of the water flow is Q1-Q2;

[0009] When Q1Q2, the water flow from the external water source is excessive, and a part of the water flow entering the hydraulic distribution cavity from the external water inlet interface enters the external water outlet interface through the protruding parts at the front and rear ends of the hydraulic distribution cavity; the flow of this part of the water flow is Q2-Q1;

[0010] When Q1=Q2, the water flow entering the hydraulic distribution cavity from the external water inlet interface only enters the communication interface A; the water flow entering the hydraulic distribution cavity from the return water interface only enters the external water outlet interface.

[0011] Further, an automatic air vent valve is arranged on the upper side of the hydraulic distribution cavity; the water flow entering the inside of the hydraulic distribution cavity contains bubbles, and such bubbles concentrated in the running water pump can easily cause damage to the water pump; the automatic air vent valve can discharge the bubbles in advance to avoid the bubbles entering the water pump; the automatic air vent valve located on the upper side of the hydraulic distribution cavity is also conducive to the collection of the bubbles.

[0012] Preferably, the external water inlet interface and the communication interface A are arranged centrally relative to the front and rear of the hydraulic distribution cavity to reduce the path between the external water inlet interface and the communication interface A, which is conducive to the smooth entry of the water flow entering the external water inlet interface into the communication interface A; the communication interface B is arranged centrally relative to the front and rear of the stable pressure water distribution cavity to facilitate the smooth entry of the water flow entering the communication interface A into the communication interface B.

[0013] Further, the return water interface is arranged staggered relative to the front and rear of the communication interface A, so that the water flow from the return water interface to the external water outlet interface and the water flow from the external water inlet interface to the communication interface A are staggered in the horizontal direction and do not interfere with each other; the water distribution interface is arranged staggered relative to the front and rear of the communication interface B to buffer the water flow from the communication interface B to the water distribution interface, which is conducive to reducing the impact of the water flow on the external load and making the water flow flowing into the external load more stable.

[0014] Further, the return water interface and the water distribution interface are arranged staggered relative to the front and rear, which facilitates the staggered installation of the pipe interfaces of the external load and improves the space utilization rate.

[0015] Preferably, a manual air vent valve is arranged on the upper side of the stable pressure water distribution cavity for discharging air when the stable pressure water distribution cavity is used for the first time.

[0016] Preferably, the vertical section of the stable pressure water distribution cavity is a flat oval shape, which can also utilize the Coanda effect to make the water flow entering the communication interface B flow smoothly to the water distribution interface from the protruding parts at the front and rear ends of the stable pressure water distribution cavity.

[0017] Further, the uniform thickness of the cavity wall of the pressure stabilizing water distribution cavity makes the front and rear ends of the outer wall of the pressure stabilizing water distribution cavity also protrude outward; the high-stability water distributor further comprises a static pressure mounting frame; the static pressure mounting frame comprises a vertical bottom plate a and a vertical plate a connected with the lower side of the pressure stabilizing water distribution cavity; the end of the vertical plate a is fixedly connected with the bottom plate a; the vertical plate a increases the connecting area of the static pressure mounting frame and the outer wall of the pressure stabilizing water distribution cavity, thereby ensuring the connecting stability of the two; and the bottom plate a is provided with a mounting hole a, so as to facilitate the installation of the static pressure mounting frame.

[0018] Preferably, the uniform thickness of the cavity wall of the water distribution cavity makes the front and rear ends of the outer wall of the water distribution cavity also protrude outward; the high-stability water distributor further comprises a water force mounting frame; the water force mounting frame comprises a vertical bottom plate b and a vertical plate b connected with the lower side of the water distribution cavity; the end of the vertical plate b is fixedly connected with the bottom plate b; the vertical plate b increases the connecting area of the water force mounting frame and the outer wall of the water distribution cavity, thereby ensuring the connecting stability of the two; and the bottom plate b is provided with a mounting hole b, so as to facilitate the installation of the water force mounting frame.

[0019] The high-stability water distributor of the utility model has the following advantages:

[0020] (1) The water distribution cavity with a vertical section in a flat elliptical shape can utilize the Coanda effect to make the water flow in the water distribution cavity move horizontally along the protruding parts of the front and rear ends, and the position setting of each interface in the water distribution cavity can make each water flow naturally branch off and follow its own path, so that the fluid stability is good, the decoupling of water force can be realized, and the adjustment balance of the water flow direction, flow rate and flow of the water distributor is facilitated.

[0021] (2) The frequency conversion water pump can effectively control the flow of the water distributor. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 is a perspective view of the high-stability water distributor of the utility model Figure 1 ;

[0023] Figure 2 is a perspective view of the high-stability water distributor of the utility model Figure 2 ;

[0024] Figure 3 is a side view of Figure 1 ;

[0025] Figure 4 is an A-A sectional view of Figure 3 when Q1=Q2;

[0026] Figure 5 is a B-B sectional view of Figure 4 when Q1=Q2;

[0027] Figure 6 isFigure 4 CC cross-sectional view;

[0028] Figure 7 When Q1>Q2, Figure 3 AA cross-sectional view;

[0029] Figure 8 When Q1>Q2, Figure 7 BB cross-sectional view;

[0030] Figure 9 When Q1<Q2, Figure 3 AA cross-sectional view;

[0031] Figure 10 When Q1<Q2, Figure 9 BB cross-sectional view;

[0032] Figures 4-10 In the figure, the double-dotted arrow indicates the direction of water flow;

[0033] In the figure: 0. External load, 1. Hydraulic distribution chamber, 11. External water inlet interface, 12. Return water interface, 13. External water outlet interface, 14. Connecting interface A, 15. Automatic exhaust valve, 2. Pressure-stabilizing water distribution chamber, 21. Water distribution interface, 22. Connecting interface B, 23. Manual exhaust valve, 3. Water pump, 4. Static pressure mounting frame, 41. Bottom plate A, 411. Horizontal long hole A, 412. Vertical long hole A, 42. Vertical plate A, 5. Hydraulic mounting frame, 51. Bottom plate B, 511. Horizontal long hole B, 512. Vertical long hole B, 52. Vertical plate B. DETAILED DESCRIPTION

[0034] Example 1: See Figures 1-10A kind of high-stability water distributor includes communicating water distribution cavity 1 and stable pressure water distribution cavity 2;Water distribution cavity 1 is equipped with external water inlet interface 11, backwater interface 12, external water outlet interface 13, communicating interface alpha 14;External water inlet interface 11 is used to communicate external water source, provides water source for entire external load 0;External water outlet interface 13 then exports the water in the water distributor inside to outside by surplus;Stable pressure water distribution cavity 2 includes water distribution interface 21, communicating interface beta 22;Backwater interface 12 quantity is equivalent to water distribution interface 21 quantity;Backwater interface 12 and water distribution interface 21 directly series external load 0, realize water circulation;Water flow entered by external water source passes through water distribution cavity 1, stable pressure water distribution cavity 2, from water distribution interface 21 into external load 0, again by backwater interface 12 back to water distribution cavity 1;Wherein water distribution cavity 1 is used for water distribution, contains the water flow from external water inlet interface 11 to communicating interface alpha 14, the water flow from backwater interface 12 to external water outlet interface 13;Stable pressure water distribution cavity 2 is used to reduce water flow impact, makes water flow smoothly out of water distribution interface 21, protects external load 0;Communicating interface alpha 14 and communicating interface beta 22 communicate, realize the communication of water distribution cavity 1 and stable pressure water distribution cavity 2;The vertical section of water distribution cavity 1 is flat ellipse;The front and back ends of water distribution cavity 1 inner wall protrude outward;External water inlet interface 11, external water outlet interface 13 are arranged in the lower side of water distribution cavity 1, are used to communicate external water source and export water flow respectively;Communicating interface alpha 14 is arranged in the upper side of water distribution cavity 1, is used to communicate with stable pressure water distribution cavity 2;Backwater interface 12 is arranged in the left and right ends of water distribution cavity 1;Because of the Coanda effect, the water flow from backwater interface 12 into water distribution cavity 1 moves along the protruding part of the front and back ends of water distribution cavity 1, i.e. the front and back ends of water distribution cavity 1 move horizontally;The water flow from the backwater interface 12 close to external water outlet interface 13 directly flows into external water outlet interface 13;The water flow from the backwater interface 12 far from external water outlet interface 13 moves horizontally from the front and back ends of water distribution cavity 1, avoids external water inlet interface 11, reaches external water outlet interface 13;In this way, it can effectively avoid the occurrence of turbulence, and is conducive to the regulation and balance of the water distributor on the direction, flow rate and flow of water flow;Communicating interface beta 22 is arranged in the lower side of stable pressure water distribution cavity 2 to communicate with water distribution cavity 1;Water distribution interface 21 is arranged in the left and right ends of stable pressure water distribution cavity 2, buffers the water flow into the interior of stable pressure water distribution cavity 2, improves the stability of the water flow discharged from water distribution interface 21.

[0035] Compared with the prior art, the vertical section of the water distribution cavity 1 is flat ellipse, which can utilize the Coanda effect to make the water flow in the water distribution cavity 1 move horizontally along the protruding part of the front and back ends, and the positions of the various interfaces in the water distribution cavity 1 are set to make each water flow naturally branch off and follow its own path, so that the fluid stability is good, the water force can be decoupled, and the regulation and balance of the water distributor on the direction, flow rate and flow of water flow are facilitated.

[0036] The highly stable hydraulic distributor also includes a water pump 3; the connecting interface A 14 is connected to the input end of the water pump 3; the connecting interface B 22 is connected to the output end of the water pump 3; the water pump 3 provides power for the flow of water in the hydraulic distributor.

[0037] The water pump 3 is a variable frequency water pump 3, which can effectively control the flow of the hydraulic distributor.

[0038] The variable frequency water pump 3 can change the flow rate Q1 from the hydraulic distribution chamber 1 to the pressure-stabilizing water distribution chamber 2; by adjusting the flow rate Q1 to be different from the external water source flow rate Q2 flowing through the external water inlet interface 11, different water flow directions can be formed in the hydraulic distribution chamber 1;

[0039] See Figure 7 、 Figure 8 When Q1>Q2, the water flow provided by the external water source is insufficient, and part of the water flowing into the hydraulic distribution chamber 1 from the return water interface 12 flows through the protruding parts at the front and rear ends of the hydraulic distribution chamber 1 and enters the communication interface A 14; the flow rate of this part of the water flow is Q1-Q2;

[0040] See Figure 9 、 Figure 10 When Q1 is less than Q2, the water flow provided by the external water source is too much, and part of the water flowing into the hydraulic distribution chamber 1 from the external water inlet interface 11 also flows through the protruding parts at the front and rear ends of the hydraulic distribution chamber 1 and enters the external water outlet interface 13; the flow rate of this part of the water flow is Q2-Q1;

[0041] See also Figure 4 、 Figure 5 When Q1=Q2, the water flowing into the hydraulic distribution chamber 1 from the external water inlet interface 11 only enters the communication interface A 14; the water flowing into the hydraulic distribution chamber 1 from the return water interface 12 only enters the external water outlet interface 13.

[0042] An automatic exhaust valve 15 is provided on the upper side of the hydraulic distribution chamber 1; the water flow entering the hydraulic distribution chamber 1 contains bubbles, and such bubbles are concentrated in the running water pump 3, which can easily cause damage to the water pump 3; the automatic exhaust valve 15 can discharge the bubbles in advance to prevent the bubbles from entering the water pump 3; the automatic exhaust valve 15 located on the upper side of the hydraulic distribution chamber 1 is also conducive to the collection of bubbles.

[0043] The external water inlet interface 11 and the connecting interface A 14 are arranged in the front and back center relative to the hydraulic distribution chamber 1, reducing the path between the external water inlet interface 11 and the connecting interface A 14, which is conducive to the water flow entering the external water inlet interface 11 to smoothly enter the connecting interface A 14; the connecting interface B 22 is arranged in the front and back center relative to the pressure-stabilizing water distribution chamber 2, so that the water flow entering the connecting interface A 14 can smoothly enter the connecting interface B 22.

[0044] The backwater interface 12 is arranged staggeredly in front of and behind the communication interface A 14, so that the water flow from the backwater interface 12 to the external water outlet interface 13 and the water flow from the external water inlet interface 11 to the communication interface A 14 are staggered in the horizontal direction and do not interfere with each other; the water distribution interface 21 is arranged staggeredly in front of and behind the communication interface B 22, so as to buffer the water flow from the communication interface B 22 to the water distribution interface 21, which is conducive to reducing the impact of the water flow on the external load 0 and making the water flow from the water distribution interface 21 to the external load 0 more stable.

[0045] The backwater interface 12 and the water distribution interface 21 are arranged staggeredly in front of and behind each other, which facilitates staggered installation of the pipeline interface of the external load 0 and improves the space utilization rate.

[0046] The manual exhaust valve 23 is installed on the upper side of the pressure stabilizing water distribution cavity 2 and is used to exhaust air when the pressure stabilizing water distribution cavity 2 is used for the first time; when the pressure stabilizing water distribution cavity 2 is used for the first time, the water pump 3 is stopped, and the water flow is filled from the external water inlet interface 11 to the hydraulic distributor; during the water filling, the manual exhaust valve 23 is manually opened to smoothly exhaust air.

[0047] The vertical section of the pressure stabilizing water distribution cavity 2 is a flat ellipse, which can also utilize the Coanda effect to make the water flow entering the communication interface B 22 smoothly flow to the water distribution interface 21 from the protruding parts at the front and rear ends of the pressure stabilizing water distribution cavity 2.

[0048] The cavity wall of the pressure stabilizing water distribution cavity 2 has a uniform thickness, so that the outer wall of the pressure stabilizing water distribution cavity 2 also protrudes outward at the front and rear ends; the high-stability hydraulic distributor further comprises a static pressure mounting frame 4; the static pressure mounting frame 4 comprises a vertical bottom plate A 41 and a vertical plate A 42 connected with the lower side of the pressure stabilizing water distribution cavity 2; the end of the vertical plate A 42 is fixedly connected with the bottom plate A 41; the vertical plate A 42 increases the connection area between the static pressure mounting frame 4 and the outer wall of the pressure stabilizing water distribution cavity 2, so as to ensure the connection stability; the bottom plate A 41 is provided with a mounting hole A for facilitating installation of the static pressure mounting frame 4.

[0049] The mounting hole A comprises a horizontal long hole A 411 and a vertical long hole A 412; the horizontal long hole A 411 can be adjusted in the horizontal direction during installation of the hydraulic distributor; the vertical long hole A 412 can be adjusted in the vertical direction during installation of the hydraulic distributor.

[0050] The working principle of the embodiment is as follows: the water flow entering the water power distribution cavity 1 from the water return interface 12 moves along the protruding portions of the front and rear ends of the water power distribution cavity 1, i.e. the front and rear ends of the water power distribution cavity 1, due to the Coanda effect; the water flow from the water return interface 12 close to the external water outlet interface 13 directly flows into the external water outlet interface 13; the water flow from the water return interface 12 far from the external water outlet interface 13 vertically moves from the front and rear ends of the water power distribution cavity 1, avoids the external water inlet interface 11, and reaches the external water outlet interface 13; thus, the occurrence of turbulence can be effectively avoided, and the water power distributor can balance the adjustment of the water flow direction, flow rate, and flow volume; the communication interface B 22 is arranged on the lower side of the stable pressure water distribution cavity 2 to communicate with the water power distribution cavity 1; the water distribution interface 21 is arranged on the left and right ends of the stable pressure water distribution cavity 2 to buffer the water flow entering the stable pressure water distribution cavity 2 and improve the stability of the water flow discharged from the water distribution interface 21; the variable frequency water pump 3 can effectively control the flow volume of the water power distributor; each water flow naturally separates into a channel, each water flow follows its channel, the fluid stability is good, and the water power decoupling can be realized.

[0051] Embodiment two: embodiment two is basically the same as embodiment one, and the same parts will not be described again. The difference is that the cavity wall of the water power distribution cavity 1 has a uniform thickness, the outer wall of the water power distribution cavity 1 also protrudes outward at the front and rear ends, the water power distributor with high stability further comprises a water power mounting frame 5, the water power mounting frame 5 comprises a vertical bottom plate B 51 and a vertical plate B 52 connected with the lower side of the water power distribution cavity 1, the end of the vertical plate B 52 is fixedly connected with the bottom plate B 51, the vertical plate B 52 increases the connection area between the water power mounting frame 5 and the outer wall of the water power distribution cavity 1 to ensure the connection stability, and the bottom plate B 51 is provided with a mounting hole B to facilitate the installation of the water power mounting frame 5.

[0052] The mounting hole B comprises a horizontal long hole B 511 and a vertical long hole B 512; the horizontal long hole B 511 can be adjusted in the horizontal direction during the installation of the water power distributor; and the vertical long hole B 512 can be adjusted in the vertical direction during the installation of the water power distributor.

Claims

1. A high-stable hydraulic distributor, comprising a communicating hydraulic distribution chamber and a stable pressure distribution chamber; the hydraulic distribution chamber is provided with an external water inlet interface, a backwater interface, an external water outlet interface, and a communicating interface A; the stable pressure distribution chamber comprises a water distribution interface and a communicating interface B; the number of backwater interfaces is equivalent to the number of water distribution interfaces; the backwater interfaces and the water distribution interfaces are directly connected in series with external loads; the communicating interface A and the communicating interface B are in communication; characterized in that, The vertical section of the water distribution cavity is a flat ellipse; the external water inlet interface and the external water outlet interface are arranged on the lower side of the water distribution cavity; the communication interface A is arranged on the upper side of the water distribution cavity; the backwater interface is arranged on the left and right ends of the water distribution cavity; the communication interface B is arranged on the lower side of the stable water distribution cavity; and the water distribution interface is arranged on the left and right ends of the stable water distribution cavity.

2. The high-stable hydraulic distributor according to claim 1, characterized in that: The high-stability water distributor further comprises a water pump; the communication interface A is in communication with the input end of the water pump; and the communication interface B is in communication with the output end of the water pump.

3. The high-stable hydraulic distributor according to claim 2, characterized in that: The upper side of the water distribution cavity is provided with an automatic exhaust valve.

4. The high-stable hydraulic distributor according to claim 1, characterized in that: The external water inlet interface and the communication interface A are arranged centrally on the front and back of the water distribution cavity; and the communication interface B is arranged centrally on the front and back of the stable water distribution cavity.

5. The high-stable hydraulic distributor according to claim 4, characterized in that: The backwater interface is staggered on the front and back relative to the communication interface A; and the water distribution interface is staggered on the front and back relative to the communication interface B.

6. The high-stable hydraulic distributor according to claim 5, characterized in that: The backwater interface and the water distribution interface are staggered on the front and back.

7. The high-stable hydraulic distributor according to claim 1, characterized in that: The upper side of the stable water distribution cavity is provided with a manual exhaust valve.

8. The high-stable hydraulic distributor according to claim 1, characterized in that: The vertical section of the stable water distribution cavity is a flat ellipse.

9. The high-stable water distributor according to claim 8, characterized in that: The stable water distribution cavity has a uniform wall thickness; the high-stability water distributor further comprises a static pressure mounting frame; the static pressure mounting frame comprises a vertical bottom plate A and a vertical plate A connected with the lower side of the stable water distribution cavity; the end of the vertical plate A is fixedly connected with the bottom plate A; and the bottom plate A is provided with a mounting hole A.

10. The high-stable hydraulic distributor according to claim 1, characterized in that: The water distribution cavity has a uniform wall thickness; the high-stability water distributor further comprises a water force mounting frame; the water force mounting frame comprises a vertical bottom plate B and a vertical plate B connected with the lower side of the water distribution cavity; the end of the vertical plate B is fixedly connected with the bottom plate B; and the bottom plate B is provided with a mounting hole B.

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