CN215950529U

CN215950529U - Precise water proportional valve

Info

Publication number: CN215950529U
Application number: CN202121577296.5U
Authority: CN
Inventors: 侯生辉; 张彩红; 钱志鸿
Original assignee: Cixi Tianxing Electric Co ltd
Current assignee: Cixi Tianxing Electric Co ltd
Priority date: 2021-07-12
Filing date: 2021-07-12
Publication date: 2022-03-04
Anticipated expiration: 2031-07-12

Abstract

The utility model relates to the technical field of water proportional valves, in particular to a precise water proportional valve. A precise water proportional valve comprises a shell, wherein a water proportional valve structure and a flow measuring structure are arranged in the shell, the water proportional valve structure comprises an adjusting rod, the adjusting rod is movably connected with the shell, a stepping motor connected with the adjusting rod is arranged on the right side of the adjusting rod, the side wall of the left portion of the adjusting rod is inclined to form a valve body portion, and the left portion of the adjusting rod and the inner wall of the shell form a valve port. The utility model has the advantages that: the valve body part of adjusting the pole left part corresponds the design with shells inner wall, provides more meticulous regulation action and wider control range to use step motor to regulate and control, the initiative is adjusted the inflow.

Description

Precise water proportional valve

Technical Field

The utility model relates to the technical field of water proportional valves, in particular to a precise water proportional valve.

Background

Water consumption electrical apparatus such as water heater need use water proportional valve to come initiative regulation and control inflow at the end of intaking, and then work content such as holistic heating of coordinated control, but current water proportional valve control range is less, and the regulation control is not meticulous enough, can't carry out the meticulous regulation on a large scale to the inflow.

Disclosure of Invention

In order to solve the technical problem that the existing water proportional valve cannot finely adjust the water inflow in a large range, the utility model provides a precise water proportional valve.

The technical scheme of the utility model is as follows:

a precise water proportional valve comprises a shell, wherein a water proportional valve structure and a flow measuring structure are arranged in the shell, the water proportional valve structure comprises an adjusting rod, the adjusting rod is movably connected with the shell, a stepping motor connected with the adjusting rod is arranged on the right side of the adjusting rod, the side wall of the left portion of the adjusting rod is inclined to form a valve body portion, and the left portion of the adjusting rod and the inner wall of the shell form a valve port.

The adjusting rod is connected with the shell through the fixed threaded sleeve, the adjusting rod is movably connected with the fixed threaded sleeve, the fixed threaded sleeve is installed in the shell, the mounting plate is arranged on the right side of the fixed threaded sleeve, and the fixed threaded sleeve is fixed in the shell through the mounting plate.

The left side of the stepping motor is provided with a mounting plate, and the stepping motor is connected with the shell through the mounting plate.

The fixed thread insert sleeve is arranged outside the adjusting rod, the left end of the adjusting rod forms a connecting portion, the valve body is arranged on the right side of the connecting portion, the right side of the valve body forms an outer sealing portion, the right side of the outer sealing portion forms an outer threaded portion, the right end of the adjusting rod forms a driving connecting portion, the left end of the fixed thread insert forms an inner sealing portion, the inner wall of the right end of the fixed thread insert forms an inner threaded portion, and the outer wall of the right end of the fixed thread insert forms an outer connecting portion.

The connecting portion is movably connected with the shell, the outer sealing portion is movably connected with the inner sealing portion, the outer threaded portion is in threaded connection with the inner threaded portion, the driving connecting portion is connected with the stepping motor, and the outer connecting portion is connected with the shell.

An O-shaped ring is arranged between the outer sealing part and the inner sealing part, and an O-shaped ring is arranged between the outer connecting part and the shell.

The flow measuring structure is arranged on the lower portion of the shell and comprises a turbine and an inductor, the turbine is arranged in the shell, the inductor is arranged outside the shell, a front bearing seat is arranged in front of the turbine, a rear bearing seat is arranged behind the turbine, the middle portions of the front bearing seat and the rear bearing seat are inwards sunken to form a rotating shaft mounting hole, rotating shafts are arranged at two ends of the turbine and movably connected with the rotating shaft mounting hole, and five blade flow guide portions are formed on the periphery of the front bearing seat.

The turbine is provided with 4 flabellums, is equipped with the magnetic pole on the flabellum, and the magnetic pole is different on two adjacent flabellums.

The technical scheme of the utility model has novel structure and ingenious design, the valve body part at the left part of the adjusting rod is correspondingly designed with the inner wall of the shell, more precise adjusting action and wider adjusting range are provided, and the stepping motor is used for regulating and controlling to actively adjust the water inflow.

Drawings

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

FIG. 2 is a schematic structural view of the present invention;

FIG. 3 is a schematic structural view of the present invention;

FIG. 4 is a side sectional view of the present invention;

FIG. 5 is a side sectional view of the present invention;

fig. 6 is an enlarged schematic view of a part of the structure of the present invention.

Detailed Description

The utility model will be further explained with reference to the drawings.

Examples

The precise water proportional valve shown in the figures 1-6 comprises a shell 1, wherein a water proportional valve structure, a flow measuring structure and a temperature measuring structure are arranged in the shell 1, the water proportional valve structure is used for adjusting water inflow, and further working contents such as integral heating of cooperative control are achieved, the flow measuring structure is used for measuring water inflow, water can be quantitatively fed, the water outlet temperature of the gas water heater is accurately controlled, and the temperature measuring component is used for measuring water inflow temperature, so that the gas water heater can form a control closed loop conveniently.

The water proportional valve structure is arranged on the upper part of a shell 1, the water proportional valve structure comprises an adjusting rod 2, a fixed screw sleeve 4 and a stepping motor 3, the fixed screw sleeve 4 is sleeved outside the adjusting rod 2, the adjusting rod 2 is connected with the shell 1 through the fixed screw sleeve 4, the adjusting rod 2 is movably connected with the fixed screw sleeve 4, the fixed screw sleeve 4 is fixedly arranged in the shell 1, a mounting plate 5 is arranged on the right side of the fixed screw sleeve 4, the fixed screw sleeve 4 is fixedly arranged in the shell 1 through the mounting plate 5, the stepping motor 3 is arranged on the right side of the mounting plate 5, the stepping motor 3 is connected with the shell 1 through the mounting plate 5, the mounting plate 5 is fixedly connected with the shell 1, a connecting part 201 is formed at the left end of the adjusting rod 2, a valve body part 202 is arranged on the right side of the connecting part 201, an outer sealing part 203 is formed on the right side of the valve body part 202, an outer thread part 204 is formed on the right side of the outer sealing part 203, and a driving connecting part 205 is formed at the right end of the adjusting rod 2, an inner sealing part 401 is formed at the left end of the fixed screw sleeve 4, an inner thread part 402 is formed at the inner wall of the right end of the fixed screw sleeve 4, an outer connecting part 403 is formed at the outer wall of the right end of the fixed screw sleeve 4, a water outlet is formed at the left end of the shell 1, a connecting hole is formed in the middle of the water outlet, the connecting part 201 is inserted into the connecting hole and movably connected with the connecting hole, the outer sealing part 203 is movably connected with the inner sealing part 401 to achieve the dynamic sealing effect and prevent water from leaking outwards, the outer thread part 204 is in threaded connection with the inner thread part 402, the driving connecting part 205 is meshed with the stepping motor 3 through a gear to synchronously rotate the adjusting rod 2 and the stepping motor 3, the outer connecting part 403 is fixedly connected with the shell 1, two O-shaped rings 6 are arranged between the outer sealing part 203 and the inner sealing part 401, two mounting grooves are formed on the outer sealing part 203, the O-shaped rings 6 are arranged in the mounting grooves to enhance the sealing performance between the outer sealing part 203 and the inner sealing part 401 and prevent water from leaking outwards, an O-ring 6 is arranged between the outer connecting part 403 and the housing 1, a mounting step is arranged at the left end of the outer connecting part 403, a mounting ring 11 is sleeved outside the mounting step, the O-ring 6 is mounted in a groove formed between the mounting ring 11 and the outer connecting part 403, the sealing performance between the outer connecting part 403 and the housing 1 is enhanced, water is prevented from leaking outwards, a valve port is formed between the housing 1 and the inner wall of the housing 1, the inner diameter of the housing 1 at the corresponding position is slightly larger than the outer diameter of the valve body part 202, a minimum gap still exists between the inner wall of the housing 1 and the valve body part 202 after the valve port is completely closed, the minimum gap is prevented from being clamped movably, the side wall of the left end of the valve body part 202 is arranged in an inclined manner, the left end of the inner wall at the corresponding position in the housing 1 is a straight surface, the right side of the straight surface is a vertical surface, the right side of the vertical surface is an inclined surface, and can provide finer adjustment action and a wider adjustment range after being matched with the left end of the valve body part 202, and can be adjusted and controlled by using a stepping motor 3, the water inflow is actively regulated.

The flow measuring structure comprises a turbine 7 and an inductor 8, the turbine 7 is longitudinally arranged in a shell 1, the inductor 8 is arranged on the outer wall of the shell 1, a front bearing seat 9 is arranged below the turbine 7, a rear bearing seat 10 is arranged above the turbine 7, the middle parts of the front bearing seat 9 and the rear bearing seat 10 are inwards recessed towards the side of the turbine 7 to form a rotating shaft mounting hole, a hemispherical contact block is formed in the rotating shaft mounting hole in a protruding mode, rotating shafts are arranged at two ends of the turbine 7 and are movably connected with the rotating shaft mounting hole, the rotating shafts are inserted into the rotating shaft mounting hole and are in contact with the hemispherical contact block, the contact surface is small, the rotating friction force is small, when the turbine 7 is pushed to rotate by water flow, less energy is consumed, the monitoring data of the flow measuring structure on the inflow flow is more accurate, 5 blade flow guide parts are formed around the front bearing seat 9, the water flow entering from an inflow pipe is changed into rotating water flow, and the rotating degrees of the water flows with different flow rates are different, the 7 rotational speeds of turbine that are driven by rivers are also different, thereby form 7 rotational speeds of turbine and get into the water flow and be the direct ratio relation, turbine 7 is equipped with 4 flabellums, the flabellum is whole to be the arc, be equipped with 1 magnetic pole on every flabellum, the magnetic pole is different on two close flabellums, inductor 8 is hall sensor, rivers drive 7 and rotate back inductor 8 through the magnetic field reversal that the magnetic pole change on the 7 flabellums of response turbine produced, convert square wave output, then calculate the inflow through the treater, reach the purpose of accurate calculation inflow.

The temperature measurement subassembly sets up on 1 upper portion of casing, and the temperature measurement subassembly includes temperature sensor 12, and temperature sensor 12 passes through fixed plate 13 and is connected with casing 1, and inside temperature sensor 12 head inserted casing 1, the measurement temperature of intaking, fixed plate 13 blocked temperature sensor 12 to fix fixed plate 13 on casing 1 surface through the screw, be equipped with the sealing washer between 12 heads of temperature sensor and the casing 1, prevent the seepage.

When the water quantity is required to be reduced, the stepping motor 3 acts to drive the adjusting rod 2 to rotate, and the adjusting rod 2 is displaced leftwards under the action of threads due to the fixed threaded sleeve 4 and the shell 1 are fixedly connected, so that the area of a valve port is reduced; when the water quantity needs to be increased, the stepping motor 3 reversely acts to drive the adjusting rod 2 to reversely rotate, the adjusting rod 2 is displaced rightwards under the action of the threads due to the fixed threaded sleeve 4 and the shell 1, the valve port area is increased, and the purpose of accurately adjusting the water inflow on a large scale is achieved.

It should be understood that the above-mentioned embodiments are merely preferred examples of the present invention, and not restrictive, but rather, all the changes, substitutions, alterations and modifications that come within the spirit and scope of the utility model as described above may be made by those skilled in the art, and all the changes, substitutions, alterations and modifications that fall within the scope of the appended claims should be construed as being included in the present invention.

Claims

1. A precision water proportional valve, comprising a housing (1), characterized in that: the water proportional valve is characterized in that a water proportional valve structure and a flow measuring structure are arranged in the shell (1), the water proportional valve structure comprises an adjusting rod (2), the adjusting rod (2) is movably connected with the shell (1), a stepping motor (3) connected with the adjusting rod (2) is arranged on the right side of the adjusting rod, a valve body part (202) is formed by inclining the side wall of the left part of the adjusting rod (2), and a valve port is formed by the left part of the adjusting rod (2) and the inner wall of the shell (1).

2. The precision water proportioning valve of claim 1 wherein: the adjusting rod (2) is connected with the shell (1) through the fixed threaded sleeve (4), the adjusting rod (2) is movably connected with the fixed threaded sleeve (4), the fixed threaded sleeve (4) is installed in the shell (1), the mounting plate (5) is arranged on the right side of the fixed threaded sleeve (4), and the fixed threaded sleeve (4) is fixed in the shell (1) through the mounting plate (5).

3. The precision water proportioning valve of claim 1 wherein: step motor (3) left side is equipped with mounting panel (5), and step motor (3) are connected with casing (1) through mounting panel (5).

4. The precision water proportioning valve of claim 2 wherein: the fixed thread insert (4) is sleeved outside the adjusting rod (2), the left end of the adjusting rod (2) forms a connecting part (201), the valve body part (202) is arranged on the right side of the connecting part (201), the right side of the valve body part (202) forms an outer sealing part (203), the right side of the outer sealing part (203) forms an outer threaded part (204), the right end of the adjusting rod (2) forms a driving connecting part (205), the left end of the fixed thread insert (4) forms an inner sealing part (401), the inner wall of the right end of the fixed thread insert (4) forms an inner threaded part (402), and the outer wall of the right end of the fixed thread insert (4) forms an outer connecting part (403).

5. The precision water proportioning valve of claim 4 wherein: the connecting part (201) is movably connected with the shell (1), the outer sealing part (203) is movably connected with the inner sealing part (401), the outer threaded part (204) is in threaded connection with the inner threaded part (402), the driving connecting part (205) is connected with the stepping motor (3), and the outer connecting part (403) is connected with the shell (1).

6. The precision water proportioning valve of claim 5 wherein: an O-shaped ring (6) is arranged between the outer sealing part (203) and the inner sealing part (401), and the O-shaped ring (6) is arranged between the outer connecting part (403) and the shell (1).

7. The precision water proportioning valve of claim 1 wherein: the flow measuring structure is arranged on the lower portion of the shell (1), the flow measuring structure comprises a turbine (7) and an inductor (8), the turbine (7) is arranged in the shell (1), the inductor (8) is arranged outside the shell (1), a front bearing seat (9) is arranged in front of the turbine (7), a rear bearing seat (10) is arranged behind the turbine (7), the middle portions of the front bearing seat (9) and the rear bearing seat (10) are inwards sunken to form a rotating shaft mounting hole, rotating shafts are arranged at two ends of the turbine (7), the rotating shafts are movably connected with the rotating shaft mounting hole, and five blade flow guide portions are formed on the periphery of the front bearing seat (9).

8. The precision water proportioning valve of claim 7 wherein: the turbine (7) is provided with 4 fan blades, magnetic poles are arranged on the fan blades, and the magnetic poles on the two adjacent fan blades are different.