CN220870213U - Control valve with pressure indication function - Google Patents

Abstract

The utility model relates to the technical field of control valves, in particular to a control valve with a pressure indication function, which comprises a heating and ventilation control valve main body and a valve rod, wherein the valve rod is arranged at the top of the heating and ventilation control valve main body, the left end of the heating and ventilation control valve main body is fixedly connected with a water inlet, and the right end of the heating and ventilation control valve main body is fixedly connected with a water outlet. When water enters the heating and ventilation control valve main body through the water inlet, the water pressure extrudes the sealing plug to move rightwards, the sealing plug drives the sliding rod to move rightwards, the sliding rod drives the first piston to move rightwards, meanwhile, the sealing plug drives the spring to compress, and the first piston moves along the water phase L-shaped pipe inside the extrusion sleeve in the sliding process of the sleeve, so that the second piston moves upwards, the water pressure flowing through the heating and ventilation control valve main body is conveniently known through the position where the second piston stays, and when the water pressure is overlarge, the second piston contacts with the contact switch, and the contact switch controls the buzzer alarm to alarm.

Description

Control valve with pressure indication function

Technical Field

The utility model relates to the technical field of control valves, in particular to a control valve with a pressure indication function.

Background

Heating and ventilation control valves, also called locking valves and special valves for civil heating. The utility model is convenient for property management, and residents can independently allocate the temperature and time of the heating, so that the utility model is an environment-friendly and energy-saving product. The heating and ventilation control valve is usually connected by an electric actuating mechanism and a valve body, becomes the heating and ventilation control valve after installation and debugging, uses electric energy as power to switch on the electric actuating mechanism to drive the valve plate by the valve plate, and realizes the switching and adjusting actions of the valve plate, thereby achieving the purposes of switching or adjusting pipeline media and having reversing and locking functions.

For example, the grant publication number CN215257902U, a heating and ventilation control valve, in the above document, by setting a driving motor, a valve seat, a sliding plate and a valve plate, the sliding plate can freely lift in the valve seat, so that the valve plate can stably descend or lift, the valve plate can stably seal or open, and meanwhile, the multi-layer valve plate promotes the sealing effect of the control valve; through the arrangement of the protective shell, the driving motor is protected, and damage to the driving motor caused by the outside is prevented; by arranging the driving wheel disc, the driven wheel disc, the second rotating shaft and the auxiliary sealing plate, the control valve has multilayer sealing, is not easy to cause leakage, has stronger weather resistance and can be used for a longer time; through setting up filter screen plate and multiunit magnetic ring, can effectively filter the medium, the filter effect is good, can carry out quick with the filter screen plate assembly, installation effectiveness is high, stable in structure after the installation, however foretell control is in the use, because the user can't control the rivers according to the inside water pressure of flow control valve, thereby make the inside pressure of control valve too big, the control valve can't in time report to the police, lead to the water pressure too big, the water pressure causes the impact to the water heating pipeline, make the water heating pipeline appear revealing the condition of bursting easily.

Disclosure of Invention

The utility model aims to solve the problem that the water flow cannot be controlled according to the internal water pressure of a control valve in the prior art, and provides the control valve with the pressure indication function.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a control valve with pressure indication function, includes warms up logical control valve main part and valve rod, warms up the top of leading to the control valve main part and is equipped with the valve rod, warms up the left end of leading to the control valve main part and links to each other with the water inlet is fixed, warms up the right-hand member of leading to the control valve main part and links to each other with the delivery port is fixed, the inner wall of water inlet links to each other with a plurality of bracing pieces is fixed, the top of water inlet links to each other with buzzer siren is fixed, the top of valve rod links to each other with the handle is fixed, the inner of bracing piece sets up pressure indication structure.

Preferably, the pressure indication structure comprises a sleeve, the outer wall of the sleeve is fixedly connected with supporting rods on two sides respectively, the inner wall of the sleeve is attached to the first piston, the left end of the first piston is fixedly connected with the sliding rod, the left end of the sliding rod is fixedly connected with the sealing plug, the right side of the sealing plug is fixedly connected with one end of the spring, the other end of the spring is fixedly connected with the sleeve, and the right end of the sleeve is fixedly connected with the L-shaped tube.

Preferably, a contact switch is arranged at the top of the L-shaped pipe, and the left side of the sealing plug is abutted against the water inlet.

Preferably, the outer wall of the L-shaped pipe is fixedly connected with the water inlet.

Preferably, a second piston is arranged in the middle of the L-shaped pipe.

Preferably, the buzzer alarm is electrically connected with the contact switch through a guide.

The control valve with the pressure indication function has the beneficial effects that: when water enters the heating and ventilation control valve main body through the water inlet, the water pressure extrudes the sealing plug to move rightwards, the sealing plug drives the sliding rod to move rightwards, the sliding rod drives the first piston to move rightwards, meanwhile, the sealing plug drives the spring to compress, and the first piston moves along the water phase L-shaped pipe inside the extrusion sleeve in the sliding process of the sleeve, so that the second piston moves upwards, the water pressure flowing through the heating and ventilation control valve main body is conveniently known through the position where the second piston stays, when the water pressure is overlarge, the second piston contacts with the contact switch, the contact switch controls the buzzer alarm to alarm, and the situation that a water heating pipeline is damaged due to overlarge water pressure is avoided.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic diagram of a front view structure of the present utility model;

FIG. 3 is a schematic side view of the present utility model;

Fig. 4 is a schematic structural diagram of a in fig. 3.

In the figure: 1. the heating and ventilation control valve comprises a heating and ventilation control valve main body, 2, a valve rod, 3, a handle, 4, a pressure indicating structure, 4a1, a spring, 4a2, a sealing plug, 4a3, a sliding rod, 4a4, a first piston, 4a5, a sleeve, 4a6, an L-shaped pipe, 4b1, a cross rod, 4b2, a screw rod, 4b3, a thread block, 5, a supporting rod, 6, a buzzer alarm, 7, a second piston, 8, a water outlet, 9, a water inlet, 10 and a contact switch.

Detailed Description

The utility model is further described below with reference to the accompanying drawings:

Example 1:

Referring to fig. 1-4: in this embodiment, a control valve with pressure indication function, including warm control valve main part 1 and valve rod 2, the top of warm control valve main part 1 is equipped with valve rod 2, the left end of warm control valve main part 1 links to each other with water inlet 9 is fixed, the right-hand member of warm control valve main part 1 links to each other with delivery port 8 is fixed, the inner wall of water inlet 9 links to each other with a plurality of bracing pieces 5 is fixed, the top of water inlet 9 links to each other with buzzer siren 6 is fixed, the top of valve rod 2 links to each other with handle 3 is fixed, the inner of bracing piece 5 sets up pressure indication structure 4.

The pressure indicating structure 4 comprises a sleeve 4a5, the outer wall of the sleeve 4a5 is fixedly connected with supporting rods 5 on two sides respectively, the inner wall of the sleeve 4a5 is attached to a first piston 4a4, the left end of the first piston 4a4 is fixedly connected with a sliding rod 4a3, the left end of the sliding rod 4a3 is fixedly connected with a sealing plug 4a2, the right side of the sealing plug 4a2 is fixedly connected with one end of a spring 4a1, the other end of the spring 4a1 is fixedly connected with the sleeve 4a5, the right end of the sleeve 4a5 is fixedly connected with an L-shaped pipe 4a6, the top of the L-shaped pipe 4a6 is provided with a contact switch 10, a water inlet 9 and a water outlet 8 are connected with external water heating pipes through flanges, when water enters the heating and ventilation control valve main body 1 through the water inlet 9, the water pressure extrudes the sealing plug 4a2 to move rightwards, the sealing plug 4a2 drives the sliding rod 4a3 to move rightwards, the slide bar 4a3 drives the first piston 4a4 to move rightwards, meanwhile, the sealing plug 4a2 drives the spring 4a1 to compress, and in the sliding process of the first piston 4a4 along the inside of the sleeve 4a5, the water phase L-shaped pipe 4a6 inside the sleeve is extruded to move, so that the second piston 7 moves upwards, the water pressure flowing through the heating and ventilation control valve main body 1 is conveniently understood through the stay position of the second piston 7, when the water pressure is overlarge, the second piston 7 is in contact with the contact switch 10, the contact switch 10 controls the buzzer alarm 6 to give an alarm, the elasticity coefficient of the spring 4a1 can be selected according to actual use conditions, the left side of the sealing plug 4a2 is abutted against the water inlet 9, the outer wall of the L-shaped pipe 4a6 is fixedly connected with the water inlet 9, the middle part of the L-shaped pipe 4a6 is provided with the second piston 7, and the buzzer alarm 6 is electrically connected with the contact switch 10 through guiding.

Working principle:

The water heating control valve is characterized in that the water heating control valve is connected with an external water heating pipe through a flange, when water enters the heating control valve main body 1 through a water inlet 9, water pressure extrudes a sealing plug 4a2 to move rightwards, the sealing plug 4a2 drives a sliding rod 4a3 to move rightwards, the sliding rod 4a3 drives a first piston 4a4 to move rightwards, meanwhile, the sealing plug 4a2 drives a spring 4a1 to compress, and the first piston 4a4 moves along an inner sliding process of a sleeve 4a5, so that a second piston 7 moves upwards, the water pressure flowing through the heating control valve main body 1 is conveniently known through the position where the second piston 7 stays, when the water pressure is overlarge, the second piston 7 contacts with a contact switch 10, the contact switch 10 controls a buzzer alarm 6 to alarm, and the situation that a water heating pipeline is damaged due to overlarge water pressure is avoided.

Example 2:

Referring to fig. 1-4: in this embodiment, a control valve with a pressure indication function, where the pressure indication structure 4 may further include a screw 4b2, two sides of the screw 4b2 are respectively rotatably connected to the L-shaped tube 4a6 and the cross rod 4b1, an outer wall of the screw 4b2 is screwed to the threaded block 4b3, two sides of the threaded block 4b3 are slidably connected to the cross rod 4b1, a bottom end of the threaded block 4b3 is fixedly connected to the contact switch 10, two ends of the cross rod 4b1 are fixedly connected to the L-shaped tube 4a6, a user rotates the screw 4b2, the screw 4b2 drives the threaded block 4b3 to move downward, and the threaded block 4b3 drives the contact switch 10 to move downward along the cross rod 4b1 to adjust the height of the contact switch 10.

While the utility model has been shown and described with reference to a preferred embodiment, it will be understood by those of ordinary skill in the art that various changes in form and details may be made therein without departing from the scope of the utility model.

Claims (6)

1. The utility model provides a control valve with pressure indication function, includes heating and ventilation control valve main part (1) and valve rod (2), the top of heating and ventilation control valve main part (1) is equipped with valve rod (2), its characterized in that: the left end of heating and ventilation control valve main part (1) is fixed to link to each other with water inlet (9), the right-hand member of heating and ventilation control valve main part (1) is fixed to link to each other with delivery port (8), the inner wall of water inlet (9) is fixed to link to each other with a plurality of bracing pieces (5), the top of water inlet (9) is fixed to link to each other with buzzer siren (6), the top of valve rod (2) is fixed to link to each other with handle (3), the inner of bracing piece (5) sets up pressure indication structure (4).

2. A control valve with pressure indicating function according to claim 1, characterized in that: the pressure indication structure (4) comprises a sleeve (4 a 5), the outer wall of the sleeve (4 a 5) is fixedly connected with supporting rods (5) on two sides respectively, the inner wall of the sleeve (4 a 5) is attached to a first piston (4 a 4), the left end of the first piston (4 a 3) is fixedly connected with a sliding rod (4 a 3), the left end of the sliding rod (4 a 3) is fixedly connected with a sealing plug (4 a 2), the right side of the sealing plug (4 a 2) is fixedly connected with one end of a spring (4 a 1), the other end of the spring (4 a 1) is fixedly connected with the sleeve (4 a 5), and the right end of the sleeve (4 a 5) is fixedly connected with an L-shaped pipe (4 a 6).

3. A control valve with pressure indicating function according to claim 2, characterized in that: the top of L type pipe (4 a 6) is equipped with contact switch (10), the left side of sealing plug (4 a 2) offsets tightly with water inlet (9).

4. A control valve with pressure indicating function according to claim 2, characterized in that: the outer wall of the L-shaped pipe (4 a 6) is fixedly connected with the water inlet (9).

5. A control valve with pressure indicating function according to claim 2, characterized in that: the middle part of the L-shaped pipe (4 a 6) is provided with a second piston (7).

6. A control valve with pressure indicating function according to claim 1, characterized in that: the buzzer alarm (6) is electrically connected with the contact switch (10) through a guide.