CN213630672U

CN213630672U - Self-operated leakage-blocking fan coil

Info

Publication number: CN213630672U
Application number: CN202022594716.2U
Authority: CN
Inventors: 韦伟; 吴斯奇; 屈发山
Original assignee: Jiangsu Innovation Energy Technology Co ltd
Current assignee: Jiangsu Innovation Energy Technology Co ltd
Priority date: 2020-11-11
Filing date: 2020-11-11
Publication date: 2021-07-06
Anticipated expiration: 2030-11-11

Abstract

The utility model discloses a self-operated leakage blocking fan coil, which comprises a fan coil body, a water return pipeline and a water supply pipeline, wherein the water return pipeline and the water supply pipeline are communicated with the fan coil body; when leakage occurs in the fan coil body, the backwater blocking leakage device cuts off fluid circulation in the backwater pipeline, and the water supply blocking leakage device cuts off fluid circulation in the water supply pipeline. When the leakage condition appears in the fan coil, the blocking leakage devices on the water return pipeline and the water supply pipeline can block the pipelines respectively, so that external fluid does not continuously enter the fan coil, the loss of fluid loss is reduced, and the damage of fluid leakage to a use place is reduced.

Description

Self-operated leakage-blocking fan coil

Technical Field

The utility model relates to a formula of relying on oneself blocks leakage fan coil.

Background

The fan coil is one of the end devices of the air conditioning system which is composed of a small fan, a coil (an air heat exchanger) and the like, and is a common cold supply end device and a common heat supply end device. When cold water or hot water flows through the coil pipes, the heat exchange is carried out with the air outside the pipes, so that the air is cooled, dehumidified or heated to adjust the indoor air temperature. In the use process, because factors such as joint, external force damage appear leaking in the fan coil, the fluid outflow in the coil, and follow-up fluid that gets into in the coil can not in time be blocked to lead to the loss of fluid, cause the consequence such as use place soaks.

Disclosure of Invention

In view of the above, the present invention is to provide a self-operated blocking leakage fan coil which can cut off the fluid to continue entering the fan coil when the leakage occurs in the fan coil.

Realize the technical scheme of the utility model as follows

The self-operated leakage blocking fan coil comprises a fan coil body, a water return pipeline and a water supply pipeline, wherein the water return pipeline and the water supply pipeline are communicated with the fan coil body; when leakage occurs in the fan coil body, the backwater blocking leakage device cuts off fluid circulation in the backwater pipeline, and the water supply blocking leakage device cuts off fluid circulation in the water supply pipeline.

By adopting the technical scheme, when the leakage condition occurs in the fan coil, the blocking leakage devices on the water return pipeline and the water supply pipeline can block the pipelines respectively, so that external fluid does not continuously enter the fan coil, the loss of fluid loss is reduced, and the damage of fluid leakage to a use place is reduced.

Furthermore, the backwater blocking leakage device and the water supply blocking leakage device have the same structure and are arranged on the corresponding pipelines in opposite directions.

Furthermore, the backwater leakage blocking device comprises a connecting pipe, a sealing cylinder body, a sealing head, a spring and a base ring, wherein the sealing cylinder body, the sealing head, the spring and the base ring are arranged in the connecting pipe;

the two ends of the connecting pipe are respectively provided with a movable joint, and the sealing cylinder body and the base ring are fixedly arranged in the connecting pipe;

the sealing head and the base ring are respectively positioned at two sides of the sealing cylinder body, one end of the spring penetrates through the sealing cylinder body and is fixedly connected with the base ring, and the other end of the spring is fixedly connected with the sealing head; the sealing head and the sealing cylinder body are matched to form sealing.

Further, a sealing step surface is arranged at the end part of the sealing cylinder body;

the inner side of the sealing head is fixedly provided with a sealing platform, and the periphery of the sealing platform is matched with the inner peripheral surface of the sealing cylinder body to form axial sealing;

the outer diameter of the sealing platform is smaller than that of the sealing head, a sealing joint surface is formed on the periphery of the inner side surface of the sealing head, and the sealing joint surface is matched with the sealing step surface to form radial sealing.

Further, the sealing cylinder and the base ring are fixedly arranged in the connecting pipe in a welding mode.

Furthermore, a condensation water tray arranged in a gradient manner is arranged at the bottom of the fan coil unit body, and one side of the condensation water tray is communicated with a water collecting pipeline for discharging fluid in the condensation water tray.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of a leakage blocking device according to the present invention;

FIG. 3 is a schematic structural diagram of the middle ring of the present invention;

in the drawing, 100 is a fan coil unit body, 101 is a water return pipeline, 102 is a water supply pipeline, 103 is a return water blocking leakage device, 104 is a water supply blocking leakage device, 105 is a connecting pipe, 106 is a sealing cylinder, 107 is a sealing head, 108 is a spring, 109 is a base ring, 110 is a sealing step surface, 111 is a sealing platform, 112 is an inner circumferential surface of the sealing cylinder, 113 is a sealing joint surface, 114 is a condensation water tray, 115 is a water collecting pipeline, 116 is a guide rod, 117 is a guide hole, 118 is a stainless steel hose, 119 is a stop valve, 120 is a heat preservation pipe, and 121 is a Y-shaped filter.

Detailed Description

In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined below to clearly and completely describe the technical solution of the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. All other embodiments, which can be obtained by a person skilled in the art without any inventive work based on the described embodiments of the present invention, belong to the protection scope of the present invention.

Referring to fig. 1-3, the self-operated blocking leakage fan coil comprises a fan coil body 100, a fan and a coil are installed in the sub-coil body, a water return pipe 101 and a water supply pipe 102 are communicated with the coil in the fan coil body 100, external fluid enters the coil through the water supply pipe 102, energy radiated by the coil is blown into a space of a use place by air supplied by the fan, and then the energy is discharged through the water return pipe.

A backwater blocking leakage device 103 is arranged on the backwater pipeline 101, and a water supply blocking leakage device 104 is arranged on the water supply pipeline 102; when a leak occurs in the fan coil unit body 100, the backwater blocking and leaking device 103 blocks the fluid flow in the backwater pipe 101, and the water supply blocking and leaking device 104 blocks the fluid flow in the water supply pipe 102. The backwater blocking leakage device and the water supply blocking leakage device adopt a self-operated (without external force) opening or closing mode.

The backwater blocking leakage device 103 and the water supply blocking leakage device 104 in the present application have the same structure, and are installed on the corresponding pipelines in opposite directions.

The backwater blocking leakage device 103 comprises a connecting pipe 105, a sealing cylinder 106, a sealing head 107, a spring 108 and a base ring 109 which are arranged in the connecting pipe; two ends of the connecting pipe 105 are respectively provided with a movable joint for connecting with a pipeline, so that the mounting and the dismounting are convenient; the sealing cylinder 106 and the base ring 109 are fixedly arranged in the connecting pipe 105, the sealing head 107 and the base ring 109 are respectively positioned at two sides of the sealing cylinder 106, one end of the spring 108 penetrates through the sealing cylinder 106 and is fixedly connected with the base ring 109, and the other end of the spring 108 is fixedly connected with the sealing head 107; the sealing head 107 cooperates with the sealing cylinder 106 to form a seal. When the fan coil normally runs, under the action of fluid pressure, the fluid pushes the sealing head 105 and the sealing cylinder 106 away to separate the sealing head and the sealing cylinder, the fluid flows through the base ring and the inner wall of the sealing cylinder, when leakage occurs in the fan coil, the fluid pressure in the pipeline changes, the fluid pressure is not enough to overcome the tension of the spring, therefore, under the action of the tension of the spring, the sealing head is in contact with the sealing cylinder to form sealing, so that blocking is formed in the pipeline, and the external fluid does not enter the fan coil.

Specifically, in order to achieve a better sealing effect, a sealing stepped surface 110 is provided at an end of the sealing cylinder 106; a sealing platform 111 is fixedly arranged on the inner side of the sealing head 107, and the outer periphery of the sealing platform 111 is matched with the inner peripheral surface 112 of the sealing cylinder 106 to form axial sealing; the outer diameter of the seal land 111 is smaller than the outer diameter of the seal head 107, a seal contact surface 113 is formed around the outer periphery of the inner surface of the seal head 107, and the seal contact surface 113 and the seal step surface 110 cooperate to form a radial seal. Through the cooperation of axial seal, radial seal, realize dual seal to promote the ability of blocking to the fluid.

In specific implementation, the sealing cylinder 106 and the base ring 109 are fixedly disposed in the connecting pipe 105 by welding. The two ends of the spring can also be fixedly connected with the sealing head 107 and the base ring 109 in a welding mode; the base ring 109 is designed to have a hollow structure, so that the blocking of fluid is reduced. In order to accurately match the sealing head 107 with the sealing cylinder 106, a guide rod 116 is fixed in the middle of the sealing table, the outer end of the guide rod 116 extends into a central guide hole 117 of the base ring, and extends into the guide hole through the guide rod, so that the action stability of the sealing head is ensured, and the precise matching between the sealing head and the sealing cylinder is ensured.

The bottom of the fan coil body 100 is provided with a condensation water tray 114 arranged in a 0.01 gradient, and one side of the condensation water tray 114 is communicated with a water collecting pipeline 115 for discharging fluid in the condensation water tray 114. When leakage occurs in the fan coil pipe or condensed water is generated inside the fan coil pipe at the initial stage, the leaked fluid is collected by the condensed water disc and is discharged to a corresponding place through the water collecting pipeline, and the leaked fluid cannot leak to the use place of the fan coil pipe.

The water supply pipeline 102 and the water return pipeline 101 are respectively communicated with a stainless steel hose 118 and a stop valve 119, and the pipelines are coated with a heat preservation pipe 120 for heat preservation and protection. A 20 mesh Y-filter 121 is also connected to the water supply line to filter the fluid before it enters the fan coil. When the fan coil unit is installed, the fan coil unit body is installed on the top of a use place in a suspension mode.

Claims

1. A self-operated leakage-blocking fan coil comprises a fan coil body (100), a water return pipeline (101) and a water supply pipeline (102) which are communicated with the fan coil body (100), and is characterized in that,

a backwater blocking leakage device (103) is arranged on the backwater pipeline (101), and a water supply blocking leakage device (104) is arranged on the water supply pipeline (102); when a leak occurs in the fan coil body (100), the backwater blocking leakage device (103) blocks the fluid flow in the backwater pipe (101), and the water supply blocking leakage device (104) blocks the fluid flow in the water supply pipe (102).

2. The self-operated leakage-blocking fan coil unit of claim 1, wherein the return water leakage-blocking device (103) is identical in structure to the water supply leakage-blocking device (104) and is installed in opposite directions on the respective pipes.

3. The self-operated leakage blocking fan coil unit according to claim 2, wherein the water return leakage blocking device (103) comprises a connecting pipe (105), a sealing cylinder (106), a sealing head (107), a spring (108) and a base ring (109) which are arranged in the connecting pipe;

two ends of the connecting pipe (105) are respectively provided with a movable joint;

the sealing cylinder body (106) and the base ring (109) are fixedly arranged in the connecting pipe (105);

the sealing head (107) and the base ring (109) are respectively positioned at two sides of the sealing cylinder body (106), one end of the spring (108) penetrates through the sealing cylinder body (106) and is fixedly connected with the base ring (109), and the other end of the spring (108) is fixedly connected with the sealing head (107);

the sealing head (107) cooperates with the sealing cylinder (106) to form a seal.

4. The self-operated leakage-blocking fan coil of claim 3, wherein the sealing cylinder (106) has a sealing step surface (110) at its end;

a sealing table (111) is fixedly arranged on the inner side of the sealing head (107), and the periphery of the sealing table (111) is matched with the inner peripheral surface (112) of the sealing cylinder (106) to form axial sealing;

the outer diameter of the sealing platform (111) is smaller than that of the sealing head (107), a sealing joint surface (113) is formed on the outer periphery of the inner side surface of the sealing head (107), and the sealing joint surface (113) is matched with the sealing step surface (110) to form radial sealing.

5. The self-operated leakage-blocking fan coil unit of claim 3, wherein the sealing cylinder (106) and the base ring (109) are fixedly disposed in the connecting tube (105) by welding.

6. The self-operated leakage-blocking fan coil unit according to claim 1, wherein a gradient-arranged condensation water tray (114) is arranged at the bottom of the fan coil unit body (100), and a water collecting pipeline (115) for discharging fluid in the condensation water tray (114) is communicated with one side of the condensation water tray (114).