Search

CN-224214936-U - Variable cross-section pipeline device for dynamic hydraulic balance of central heating system

CN224214936UCN 224214936 UCN224214936 UCN 224214936UCN-224214936-U

Abstract

The utility model provides a dynamic hydraulic balance variable cross-section pipeline device of a central heating system, which relates to the technical field of variable cross-section pipeline devices and comprises a branch pipe, wherein an adjusting mechanism is arranged in the branch pipe and comprises a hose, and the outer surface of the hose is fixedly connected with the inner wall of the branch pipe close to a port. According to the utility model, the hose is fixed with the inner wall of the branch pipe, so that the hose can be driven to be extruded by matching the four templates, the four sliding plates and the four springs, the flow section in the branch pipe is further reduced, after the internal pressure of the branch pipe and the hose is enhanced, the hose can be pushed to be expanded, and then the four templates, the four sliding plates and the four springs can be pushed to be outwards diffused, so that the flow section can be gradually increased, the springs can be protected by the telescopic rods, the springs are prevented from being bent, and meanwhile, the sliding plates can be supported and limited by the telescopic rods, so that the moving track of the sliding plates and the supporting plates is more stable.

Inventors

  • ZHANG XIAOMANG
  • Lv Xinzhuo

Assignees

  • 天津市津能双鹤热力设备有限公司

Dates

Publication Date
20260508
Application Date
20250611

Claims (7)

  1. 1. The utility model provides a central heating system dynamic hydraulic balance's variable cross section pipeline device, includes branch pipe (1), its characterized in that the inside of branch pipe (1) is provided with adjustment mechanism (2), adjustment mechanism (2) are including hose (21), the surface of hose (21) is close to the inner wall fixed connection that the port is in branch pipe (1), the surface of hose (21) is provided with four template (22), two spouts (25) have been seted up to the surface of template (22), two liang sliding connection has slide plate (23) between the inner wall of spout (25), one side fixedly connected with extension board (24) of slide plate (23), one side of extension board (24) is provided with spring (27), the other end and the inner wall fixed connection of spout (25) of spring (27), a plurality of between the surface of template (22) and the surface fixed connection of hose (21).
  2. 2. A variable cross-section plumbing installation for dynamic hydraulic balancing of a central heating system according to claim 1, characterized in that the outer surface of the spring (27) is provided with a telescopic rod (26).
  3. 3. The variable cross-section pipeline device for dynamic hydraulic balance of a central heating system according to claim 2, wherein one end of the telescopic rod (26) is fixedly connected with one side of the sliding plate (23), and the other end of the telescopic rod (26) is fixedly connected with the inner wall of the sliding groove (25).
  4. 4. The variable cross-section pipeline device for dynamic hydraulic balance of a central heating system according to claim 1, wherein the outer surface of the branch pipe (1) is fixedly communicated with a branch shell (3), and the inner wall of the branch shell (3) is in sliding connection with the outer surface of the shaping plate (22).
  5. 5. The variable cross-section pipeline device for dynamic hydraulic balance of a central heating system according to claim 1, wherein grooves (28) are formed in two sides of the template (22), and sliding holes (29) are formed in the inner walls of the grooves (28).
  6. 6. The device for dynamically balancing a variable cross-section pipeline of a central heating system according to claim 5, wherein the inner wall of the sliding hole (29) is slidably connected with a sliding block (210), and one side of the sliding block (210) is fixedly connected with a limiting plate (211).
  7. 7. The variable cross-section pipeline device for dynamic hydraulic balance of a central heating system according to claim 6, wherein the outer surface of the limiting plate (211) is in sliding connection with the inner wall of the groove (28).

Description

Variable cross-section pipeline device for dynamic hydraulic balance of central heating system Technical Field The utility model relates to the technical field of variable cross-section pipeline devices, in particular to a dynamic hydraulic balance variable cross-section pipeline device of a central heating system. Background The fixed pipeline system cannot effectively adapt to the change of flow in certain applications, so that the water flow in the system is unevenly distributed, and local hydraulic imbalance is generated, the phenomenon of hydraulic imbalance usually occurs when the pipeline cannot flexibly adjust the flow, particularly when the fluctuation of the demand is large, the fixed pipeline can be configured according to the specific flow demand when the fixed pipeline is designed, but the change of the actual flow often exceeds expectations over time, the water flow in a local area is excessively large or excessively small, the working efficiency of the whole system is influenced, the problem of hydraulic imbalance can cause a series of negative effects, such as water pressure fluctuation, pipeline aging acceleration, equipment damage and even the reduction of the whole operation efficiency of the system, and in some complex pipeline networks, the local hydraulic imbalance can also cause excessive load of part of the pipeline, other parts cannot be fully utilized, so that energy waste and maintenance cost are increased. Disclosure of utility model The utility model aims to solve the defects in the prior art, a fixed pipeline system cannot effectively adapt to the change of flow in certain applications, so that the water flow in the system is unevenly distributed, and partial hydraulic imbalance is generated, the phenomenon of hydraulic imbalance usually occurs when pipelines cannot flexibly adjust the flow, and particularly under the condition of large fluctuation of demand, the fixed pipeline can be configured according to specific flow demand when designed, but the change of actual flow often exceeds expectations over time, so that the water flow in a partial area is overlarge or undersize, and the working efficiency of the whole system is influenced, the problem of hydraulic imbalance can cause a series of negative effects, such as water pressure fluctuation, pipeline aging acceleration, equipment damage and even the reduction of the whole operation efficiency of the system, and in some complex pipeline networks, the partial hydraulic imbalance can also cause partial pipeline overload, other parts cannot be fully utilized, so that energy waste and maintenance cost increase are caused, and the variable section pipeline device for dynamic hydraulic balance of the centralized heating system is provided. In order to achieve the purpose, the variable cross-section pipeline device for dynamic hydraulic balance of the central heating system comprises a branch pipe, wherein an adjusting mechanism is arranged in the branch pipe and comprises a hose, the outer surface of the hose is close to the port and is fixedly connected with the inner wall of the branch pipe, four templates are arranged on the outer surface of the hose, two sliding grooves are formed in the outer surface of each template, sliding plates are connected between the inner walls of the sliding grooves in a sliding mode, a support plate is fixedly connected to one side of each sliding plate, a spring is arranged on one side of each support plate, the other end of each spring is fixedly connected with the inner wall of each sliding groove, and the outer surfaces of a plurality of templates are fixedly connected with the outer surface of the hose. As a preferred embodiment, the outer surface of the spring is provided with a telescopic rod. As a preferable implementation mode, one end of the telescopic rod is fixedly connected with one side of the sliding plate, and the other end of the telescopic rod is fixedly connected with the inner wall of the sliding groove. As a preferred embodiment, the outer surface of the branch pipe is fixedly communicated with a branch shell, and the inner wall of the branch shell is in sliding connection with the outer surface of the template. As a preferred implementation mode, grooves are formed in two sides of the template, and sliding holes are formed in the inner wall of the grooves. As a preferable implementation mode, the inner wall of the sliding hole is connected with a sliding block in a sliding mode, and one side of the sliding block is fixedly connected with a limiting plate. As a preferred embodiment, the outer surface of the limiting plate is slidably connected with the inner wall of the groove. Compared with the prior art, the utility model has the advantages and positive effects that: according to the utility model, the hose is fixed with the inner wall of the branch pipe, so that the hose can be driven to be extruded by matching four templates, four sliding plates and four springs, the flow