CN220816738U - Novel water mixing device with temperature control valve - Google Patents

Abstract

The utility model discloses a novel water mixing device with a temperature control valve, which comprises an introduction chamber, wherein a hot water inlet pipe is inserted into one end of the introduction chamber, the outer wall of the hot water inlet pipe is fixedly connected with the introduction chamber, a mixing chamber is fixed at the other end of the introduction chamber, a diffusion chamber is fixed at one end of the mixing chamber, the inner cavity of the hot water inlet pipe is communicated with the inner cavity of the introduction chamber, the inner cavity of the introduction chamber is communicated with the inner cavity of the mixing chamber, the mixing chamber is communicated with the inner cavity of the diffusion chamber, and a temperature sensing feedback assembly is arranged at one side of the introduction chamber; according to the utility model, the capillary tube and the temperature sensing bag are arranged, after the water in the diffusion chamber is mixed, the temperature of the water directly causes the air pressure in the temperature sensing bag to change, and the air pressure acts on the membrane to change the opening of the valve in the water return pipe, so that the control of the valve flow is realized; the structure is simpler, and the valve controlled by the change of air pressure is opened and closed more stably, so that the sensitivity and stability of hot water control can be improved.

Description

Novel water mixing device with temperature control valve

Technical Field

The utility model relates to the technical field of temperature control valves, in particular to a novel water mixing device with a temperature control valve.

Background

When the temperature of the ground heating user water supply is higher, the water flow in the hot water is required to be reduced, so that the inflow of the hot water is reduced, the temperature regulation is realized, the current valve for controlling the flow of the hot water is controlled by a temperature sensor, the influence of the ambient temperature and humidity on the sensitivity of a circuit control component is large, and the circuit control valve cannot react rapidly.

The Chinese patent CN200994715Y discloses a hot water temperature control water outlet valve, which comprises a valve body with a valve seat, wherein a valve core sealing gasket and a valve core rod are arranged on the valve seat, a reset spring which enables the valve core rod to drive the valve core sealing gasket to be buckled on the valve seat is sleeved on the valve core rod, and the valve core rod is connected with a temperature-sensitive thermal element which is elongated or shortened along with the change of temperature and enables the valve core rod to drive the valve core sealing gasket to deviate from the valve seat to form the opening of the valve seat or the closing of the valve seat. The valve can be widely applied to instant heating type water dispensers, instant heating type water boilers or instant heating type water heater equipment, the purpose of ensuring the stable temperature of hot water outlet can be achieved without temperature and power control, and the structure is simple and reliable.

The valve adopts a temperature-sensitive thermal element to sense the temperature of water, and is used as a control switch of the valve, wherein the temperature-sensitive thermal element is an element formed by temperature-sensitive grease, temperature-sensitive paraffin, temperature-sensitive gas or temperature-sensitive liquid material, the sensitivity of the valve is easily influenced by the environment, the operation is not stable enough, and the regulation of the valve is still not sensitive enough.

Disclosure of utility model

The utility model aims to provide a novel water mixing device with a temperature control valve, which solves the problems that a temperature control valve in the prior art mentioned in the background art has a thermosensitive element for flow control which is not sensitive enough in response, is easily influenced by environment and cannot work stably for a long time.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the novel water mixing device with the temperature control valve comprises an introduction chamber, wherein a hot water inlet pipe is inserted into one end of the introduction chamber, the outer wall of the hot water inlet pipe is fixedly connected with the introduction chamber, a mixing chamber is fixed at the other end of the introduction chamber, a diffusion chamber is fixed at one end of the mixing chamber, the inner cavity of the hot water inlet pipe is communicated with the inner cavity of the introduction chamber, the inner cavity of the introduction chamber is communicated with the inner cavity of the mixing chamber, the mixing chamber is communicated with the inner cavity of the diffusion chamber, a temperature sensing bag is fixed in the diffusion chamber, and a temperature sensing feedback assembly is arranged at one side of the introduction chamber;

The temperature sensing feedback assembly comprises a capillary tube and a control chamber, a diaphragm is fixed in the control chamber, one end of the capillary tube is communicated with the inner cavity of the temperature sensing bag, the other end of the capillary tube is communicated with the inner cavity of the control chamber, one side of the introducing chamber is communicated with a hot water return pipe, and a valve assembly for controlling flow by the diaphragm is arranged in the hot water return pipe.

Preferably, the valve assembly comprises a valve rod, a spring and a valve body, one end of the valve rod is fixedly connected with one side of the diaphragm, the other end of the valve rod penetrates through the valve body and is in sliding connection with the valve body, a valve clack is fixed on the outer wall of the valve rod, one end of the spring is fixedly connected with the inner wall of the valve body, the other end of the spring is fixedly connected with the valve rod, a drainage port is arranged in an inner cavity of the valve body, and the valve clack is located on one side of the drainage port.

Preferably, the cross sections of the valve clack and the drainage port are arranged in a trapezoid, and the control chamber is fixed on the outer wall of the valve body.

Compared with the prior art, the utility model has the beneficial effects that:

According to the utility model, the capillary tube and the temperature sensing bag are arranged, after the water in the diffusion chamber is mixed, the temperature of the water directly causes the air pressure in the temperature sensing bag to change, and the air pressure acts on the membrane to change the opening of the valve in the water return pipe, so that the control of the valve flow is realized; the structure is simpler, and the valve controlled by the air pressure change is opened and closed more stably, so that the sensitivity and stability of hot water control can be improved, and the temperature of mixed water in the mixing chamber is maintained within the water supply requirement temperature range.

Drawings

FIG. 1 is a schematic diagram of a temperature-sensing feedback assembly according to the present utility model;

fig. 2 is a schematic view of the structure of the valve assembly of the present utility model.

In the figure: 1. an introduction chamber; 2. a hot water inlet pipe; 3. a mixing chamber; 4. a diffusion chamber; 5. wen Ganbao; 6. a temperature-sensitive feedback component; 601. a capillary tube; 602. a control room; 603. a membrane; 604. a hot water return pipe; 7. a valve assembly; 701. a valve stem; 702. a valve body; 703. a valve flap; 704. a drainage port; 705. and (3) a spring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-2, the present utility model provides a novel water mixing device with a temperature control valve, comprising an introduction chamber 1, wherein a hot water inlet pipe 2 is inserted into one end of the introduction chamber 1, the outer wall of the hot water inlet pipe 2 is fixedly connected with the introduction chamber 1, a mixing chamber 3 is fixed at the other end of the introduction chamber 1, a diffusion chamber 4 is fixed at one end of the mixing chamber 3, the inner cavity of the hot water inlet pipe 2 is communicated with the inner cavity of the introduction chamber 1, the inner cavity of the introduction chamber 1 is communicated with the inner cavity of the mixing chamber 3, the mixing chamber 3 is communicated with the inner cavity of the diffusion chamber 4, a temperature sensing bag 5 is fixed in the diffusion chamber 4, and a temperature sensing feedback assembly 6 is arranged at one side of the introduction chamber 1.

The temperature sensing feedback assembly 6 comprises a capillary tube 601 and a control chamber 602, a diaphragm 603 is fixed in the control chamber 602, one end of the capillary tube 601 is communicated with the inner cavity of the temperature sensing bag 5, the other end of the capillary tube 601 is communicated with the inner cavity of the control chamber 602, a hot water return pipe 604 is communicated with one side of the introducing chamber 1, and a valve assembly 7 for controlling flow by the diaphragm 603 is arranged in the hot water return pipe 604.

Through setting up capillary 601, diaphragm 603 and temperature sense package 5, after the temperature risees, temperature sense package 5 inflation, communicate with control room 602 inner chamber through capillary 601, make diaphragm 603 move rightwards, spring 705 is on the top right with valve rod 701 simultaneously, makes the clearance between valve clack 703 and the drainage mouth 704 reduce, realizes the flow control to hot water in the hot water return pipe 604.

The valve assembly 7 comprises a valve rod 701, a spring 705 and a valve body 702, wherein one end of the valve rod 701 is fixedly connected with one side of the diaphragm 603, the other end of the valve rod 701 penetrates through the valve body 702 and is in sliding connection with the valve body 702, a valve clack 703 is fixed on the outer wall of the valve rod 701, one end of the spring 705 is fixedly connected with the inner wall of the valve body 702, the other end of the spring 705 is fixedly connected with the valve rod 701, a drainage port 704 is arranged in an inner cavity of the valve body 702, and the valve clack 703 is located on one side of the drainage port 704. The valve stem 701 is supported rightward by the provision of the spring 705.

The cross sections of the valve clack 703 and the drainage port 704 are arranged in a trapezoid, and the control chamber 602 is fixed on the outer wall of the valve body 702.

When in use, hot water and hot water backwater respectively enter the mixing chamber 3 from the hot water though and the hot water backwater pipe 604, are mixed in the mixing chamber 3, then are contacted with the temperature sensing bag 5 and are discharged from the diffusion chamber 4, when the temperature rises, the temperature sensing bag 5 expands and is communicated with the inner cavity of the control chamber 602 through the capillary tube 601, the diaphragm 603 moves rightwards, meanwhile, the spring 705 pushes the valve rod 701 rightwards, the gap between the valve clack 703 and the drainage port 704 is reduced, the flow of hot water entering the hot water backwater pipe 604 is reduced, and the mixed water temperature in the mixing chamber 3 is maintained within the water supply requirement temperature range; the opening and closing degree of the valve is indirectly controlled by a temperature sensing bulb, a temperature threshold is not required to be set for the temperature sensing bulb relative to a temperature sensing element, the size of the temperature sensing bulb can be changed along with temperature change, and the reaction is sensitive and stable in work.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (3)

1. Novel water mixing device with temperature control valve, its characterized in that: the hot water inlet pipe (2) is inserted into one end of the inlet chamber (1), the outer wall of the hot water inlet pipe (2) is fixedly connected with the inlet chamber (1), the mixing chamber (3) is fixed at the other end of the inlet chamber (1), the diffusion chamber (4) is fixed at one end of the mixing chamber (3), the inner cavity of the hot water inlet pipe (2) is communicated with the inner cavity of the inlet chamber (1), the inner cavity of the inlet chamber (1) is communicated with the inner cavity of the mixing chamber (3), the mixing chamber (3) is communicated with the inner cavity of the diffusion chamber (4), the temperature sensing bag (5) is fixed in the diffusion chamber (4), and the temperature sensing feedback assembly (6) is arranged on one side of the inlet chamber (1);

The temperature sensing feedback assembly (6) comprises a capillary tube (601) and a control chamber (602), a diaphragm (603) is fixed in the control chamber (602), one end of the capillary tube (601) is communicated with the inner cavity of the temperature sensing bag (5), the other end of the capillary tube (601) is communicated with the inner cavity of the control chamber (602), a hot water return pipe (604) is communicated with one side of the introducing chamber (1), and a valve assembly (7) for controlling flow by the diaphragm (603) is arranged in the hot water return pipe (604).

2. The novel water mixing device with the temperature control valve according to claim 1, wherein: valve subassembly (7) include valve rod (701), spring (705) and valve body (702), one end of valve rod (701) and one side fixed connection of diaphragm (603), the other end of valve rod (701) runs through valve body (702) and with valve body (702) sliding connection, the outer wall of valve rod (701) is fixed with valve clack (703), one end and valve body (702) inner wall fixed connection of spring (705), the other end and valve rod (701) fixed connection of spring (705), valve body (702) inner chamber is provided with drainage mouth (704), valve clack (703) are located one side of drainage mouth (704).

3. The novel water mixing device with the temperature control valve according to claim 2, wherein: the cross sections of the valve clack (703) and the drainage port (704) are arranged in a trapezoid, and the control chamber (602) is fixed on the outer wall of the valve body (702).