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CN-224214728-U - Flow regulating mechanism for heat supply secondary network

CN224214728UCN 224214728 UCN224214728 UCN 224214728UCN-224214728-U

Abstract

The utility model discloses a flow regulating mechanism for a heat supply secondary network, which belongs to the technical field of flow regulation of the heat supply secondary network, and comprises a heat supply pipeline and a mounting boss fixedly connected to the inner wall of the heat supply pipeline, wherein a valve plate which is arranged in an annular structure is fixedly connected to the mounting boss, a regular hexagon guide groove is formed in the surface of the valve plate, which is far away from the mounting boss, a regulating disc is rotatably connected to the valve plate, a driven bevel gear is fixedly connected to the outer edge part of the regulating disc, guide holes are formed in the radial position of the surface of the regulating disc, a plurality of guide holes are formed, the larger the opening cross section between valve clacks is along with the larger rotation amplitude of the regulating disc, the flow regulation is realized, the regulating error is small, and the required temperature can be effectively regulated.

Inventors

  • WEI WENYANG
  • ZHAO ZHENJIANG
  • ZHANG ZHIQIANG

Assignees

  • 济宁四和供热有限公司

Dates

Publication Date
20260508
Application Date
20250606

Claims (7)

  1. 1. The flow regulating mechanism for the heat supply secondary network comprises a heat supply pipeline (1) and a mounting boss (2) fixedly connected to the inner wall of the heat supply pipeline (1), and is characterized in that a valve plate (3) arranged in an annular structure is fixedly connected to the mounting boss (2), and a regular hexagon guide groove (4) is formed in the surface, far away from the mounting boss (2), of the valve plate (3); An adjusting disc (6) is rotationally connected to the valve plate (3), a driven bevel gear (7) is fixedly connected to the outer edge part of the adjusting disc (6), guide holes (8) are formed in the radial positions of the surface of the adjusting disc (6), and a plurality of guide holes (8) are formed; A valve clack (11) is attached and installed between the valve plate (3) and the regulating disc (6), a guide block (12) which is in sliding connection with the regular hexagon guide groove (4) is integrally formed at the edge part of the valve clack (11), and a guide column head (13) which is in sliding connection with the guide hole (8) is fixedly connected to the surface of the valve clack (11); The outside of the heat supply pipeline (1) is provided with a stepping motor (14) through a bracket, and the power output end of the stepping motor (14) is in transmission connection with a driving bevel gear (15) meshed with the driven bevel gear (7).
  2. 2. The flow regulating mechanism for the heat supply secondary network according to claim 1, wherein the output end of the heat supply pipeline (1) is connected with an electromagnetic flowmeter (16) through a flange.
  3. 3. The flow regulating mechanism for the heat supply secondary network according to claim 1, wherein a mounting flange is integrally formed at the edge part of the valve plate (3), and the mounting flange is connected with the mounting boss (2) through a bolt; a sealing gasket is pressed between the mounting flange and the mounting boss (2).
  4. 4. A flow regulating mechanism for a heat supply secondary network according to claim 1, characterized in that the outer wall of the valve plate (3) is annularly provided with a limit flange (5).
  5. 5. The flow regulating mechanism for the heat supply secondary network as set forth in claim 4, wherein the inner wall of the regulating plate (6) is provided with a limit groove (9) engaged with the limit flange (5), and a sealing rubber ring (10) attached to the limit flange (5) is inlaid on the inner side of the limit groove (9).
  6. 6. A flow regulating mechanism for a heat supply secondary network according to claim 1, characterized in that the valve flaps (11) are provided with six in particular.
  7. 7. The flow regulating mechanism for a heat supply secondary network according to claim 1, wherein a connecting shaft penetrating through the heat supply pipeline (1) is fixedly connected to the drive bevel gear (15), and a dynamic sealing element is arranged at the combined part of the connecting shaft and the heat supply pipeline (1); The connecting shaft is connected with the power output end of the stepping motor (14) through a coupler.

Description

Flow regulating mechanism for heat supply secondary network Technical Field The utility model relates to the technical field of flow regulation of a heat supply secondary network, in particular to a flow regulating mechanism for a heat supply secondary network. Background ‌ The heat supply secondary pipe network ‌ is a low-temperature hot water conveying network for connecting a heat exchange station with an end user (such as a residential area and a commercial building) in a central heat supply system, and has the core functions of adapting the heat of the high-temperature water of the primary pipe network heated by a heat exchanger to low-temperature hot water (usually with the water temperature range of 60-80 ℃) suitable for the user, and directly supplying the low-temperature hot water to the user to realize heating or living hot water requirements. The existing flow regulation for balancing the heat supply secondary network is usually directly provided with a manual valve, manual regulation is usually needed when the flow is regulated, higher error exists in manual regulation, and the regulation to the required temperature is difficult, so that a flow regulation mechanism for the heat supply secondary network is provided for solving the problems. Disclosure of utility model 1. Technical problem to be solved Aiming at the problems existing in the prior art, the utility model aims to provide a flow regulating mechanism for a heat supply secondary network, which can realize flow regulation with small regulating error and can effectively regulate to the required temperature along with the larger rotating amplitude of a regulating disc, the larger opening cross section between valve clacks. 2. Technical proposal In order to solve the problems, the utility model adopts the following technical scheme. The flow regulating mechanism comprises a heat supply pipeline and a mounting boss fixedly connected to the inner wall of the heat supply pipeline, wherein a valve plate arranged in an annular structure is fixedly connected to the mounting boss, and a regular hexagon guide groove is formed in the surface, away from the mounting boss, of the valve plate; the valve plate is rotationally connected with an adjusting disc, a driven bevel gear is fixedly connected to the outer edge part of the adjusting disc, guide holes are formed in the radial positions of the surface of the adjusting disc, and a plurality of guide holes are formed in the guide holes; A valve clack is mounted between the valve plate and the regulating disc in a fitting way, a guide block which is connected with the regular hexagon guide groove in a sliding way is integrally formed at the edge part of the valve clack, and a guide column head which is connected with the guide hole in a sliding way is fixedly connected to the surface of the valve clack; The outside of the heat supply pipeline is provided with a stepping motor through a bracket, and a power output end of the stepping motor is connected with a driving bevel gear meshed with the driven bevel gear in a transmission way. Further, the output end of the heat supply pipeline is connected with an electromagnetic flowmeter through a flange. Further, an installation flange is integrally formed at the edge part of the valve plate, and the installation flange is connected with the installation boss through a bolt; and a sealing gasket is pressed between the mounting flange and the mounting boss. Further, a limit flange is arranged on the outer wall of the valve plate in a ring mode. Further, a limit groove in which the limit flanges are clamped is formed in the inner wall of the adjusting disc, and a seal rubber ring attached to the limit flanges is inlaid in the inner side of the limit groove. Further, six valve clacks are specifically arranged. Further, a connecting shaft penetrating through the heat supply pipeline is fixedly connected to the drive bevel gear, and a dynamic sealing piece is arranged at the combined position of the connecting shaft and the heat supply pipeline; the connecting shaft is connected with the power output end of the stepping motor through a coupler. 3. Advantageous effects Compared with the prior art, the utility model has the advantages that: (1) According to the scheme, the driving bevel gear and the driven bevel gear are used for meshing to drive the adjusting disc to rotate relative to the valve plate through the angular displacement of the stepping motor, the guide column head is matched with the guide hole to slide, and the guide block is matched with the regular hexagon guide groove formed in the valve plate to slide, so that the side walls between the valve clacks are matched with each other to slide, the space at the center of the valve plate is opened, the larger the rotating amplitude of the adjusting disc is, the larger the opening section between the valve clacks is, the flow adjustment is realized, the adjustment error is small, and the valve can be effec