CN215806657U

CN215806657U - Automatic throttle valve

Info

Publication number: CN215806657U
Application number: CN202122224093.4U
Authority: CN
Inventors: 陈志超; 张燕光; 李学研; 劳晓祥
Original assignee: Jiangmen Shuibao Sanitary Ware Co ltd
Current assignee: Jiangmen Shuibao Sanitary Ware Co ltd
Priority date: 2021-09-14
Filing date: 2021-09-14
Publication date: 2022-02-11
Anticipated expiration: 2031-09-14

Abstract

The utility model discloses an automatic throttle valve which comprises a shell, a valve core, a motor, a flow sensor rotor, a first Hall element, a second Hall element and a positioning magnet. The shell is provided with a water inlet pipe, a water outlet pipe and a valve core cavity. The motor drives the rotor plate to rotate during use, the output shaft of the motor drives the positioning magnet to rotate in the rotating process, the second Hall element can sense the position of the positioning magnet, so that the rotation amplitude of the output shaft of the motor is determined, under the normal condition, the first Hall element is matched with the flow sensor rotor to acquire the water flow in the water inlet pipe in real time, the time of opening the valve core of the motor is controlled as required, and the motor can automatically reset under the normal condition. After the power failure is restarted, when the positioning magnet is not located at the specified position, the second Hall element can continuously give a control center signal, so that the output shaft of the driving motor rotates to the position where the positioning magnet moves to the specified position, the reset is completed after the power failure, manual operation is not needed, and the safety is higher.

Description

Automatic throttle valve

Technical Field

The utility model relates to the field of throttle valves, in particular to an automatic throttle valve.

Background

In the prior art, a water purifier is connected with an electric water boiler or an electric hot water faucet, a water path is changed by a manual reversing device, water supply of normal-temperature water and water supply of electric hot water are realized, and the use is inconvenient. The inventor applies a patent named as a water diversion flow regulating valve to improve the flow regulating valve, and the motor drives the valve body to open and close, so that the effect of automatically regulating the flow is achieved. But after the inventor's experiment many times, it is without any problem that the water diversion flow control valve uses under normal conditions, but when meetting the power failure phenomenon suddenly, the motor is because outage suddenly, therefore the motor output shaft can't playback to the initial point, and after the circular telegram once more, the rotation initial point of motor output shaft can automatic default be the position of motor output shaft when outage, leads to the unable accurate case of opening and close, needs the user to reset the output shaft of motor by oneself, and is comparatively troublesome.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model aims to provide an automatic throttle valve which can drive a motor to automatically reset after power failure and restart so as to better throttle and regulate flow.

The technical scheme adopted by the utility model for solving the problems is as follows: an automatic throttle valve comprising:

the water inlet pipe is communicated with the valve core cavity, and the shell is provided with at least one water outlet pipe communicated with the valve core cavity;

the valve core is arranged in the valve core cavity and is matched with the water inlet pipe and the water outlet pipe, and the valve core comprises a fixed sheet and a movable sheet;

the motor is fixedly arranged on the shell, and an output shaft of the motor is directly or indirectly connected with the moving plate;

the flow sensor rotor is arranged in the water inlet pipe;

the first Hall element is arranged on the shell and matched with the flow sensor rotor;

the positioning magnet is arranged on the output shaft of the motor and rotates along with the output shaft;

and the second Hall element is arranged on the shell and is matched with the positioning magnet.

As a further improvement of the technical scheme, the motor is arranged at the upper end of the shell, and an output shaft of the motor penetrates through the shell to extend into the valve core cavity to be directly or indirectly connected with the movable plate.

As a further improvement of the above technical solution, the positioning magnet is mounted on a positioning block, and the positioning block is sleeved on the output shaft of the motor.

As a further improvement of the above technical solution, the positioning block is located at an upper end of the housing.

As a further improvement of the above technical solution, the second hall element is disposed at the upper end of the housing and located on the periphery of the positioning block.

As a further improvement of the above technical solution, the housing is divided into an upper housing and a lower housing, the upper housing and the lower housing cover each other to form the valve core cavity, the water outlet pipe is disposed on the upper housing, and the water inlet pipe is disposed on the lower housing.

As a further improvement of the above technical solution, the housing is divided into an upper housing and a lower housing, the upper housing and the lower housing cover each other to form the valve core cavity, the upper surface of the upper housing is provided with a mounting hole and a motor shaft hole, the motor is arranged at the upper end of the upper housing, an output shaft of the motor extends into the valve core cavity through the motor shaft hole and is directly or indirectly connected with the moving plate, the upper end of the lower housing is provided with a receiving groove located below the mounting hole, a working end of the second hall element is inserted into the receiving groove and extends to the upper end surface of the upper housing through the mounting hole, and the positioning block is located at the position where the upper end surface of the upper housing is flush with the working end of the second hall element.

As a further improvement of the technical scheme, a connecting hole is formed in the valve core, and an output shaft of the motor penetrates through the connecting hole and is directly connected with the movable plate.

As a further improvement of the technical scheme, the first Hall element is arranged on the periphery of the water inlet pipe and is flush with the height of the flow sensor rotor.

As a further improvement of the technical scheme, the lower end of the shell is provided with a first water distribution cavity and a second water distribution cavity, the fixed piece is provided with a first switch water hole communicated with the first water distribution cavity and a second switch water hole communicated with the second water distribution cavity, the number of the water outlet pipes is two, the two water outlet pipes are respectively communicated with the first water distribution cavity and the second water distribution cavity, the movable piece is provided with a first water regulation hole matched with the first switch water hole and a second water regulation hole matched with the second switch water hole, the area of the second water regulation hole is gradually increased along the clockwise direction or the anticlockwise direction, and the length of the second water regulation hole is greater than that of the second switch water hole.

The utility model has the beneficial effects that: the motor drives the rotor plate to rotate during use, the output shaft of the motor drives the positioning magnet to rotate in the rotating process, the second Hall element can sense the position of the positioning magnet, so that the rotation amplitude of the output shaft of the motor is determined, under the normal condition, the first Hall element is matched with the flow sensor rotor to acquire the water flow in the water inlet pipe in real time, the time of opening the valve core of the motor is controlled as required, and the motor can automatically reset under the normal condition. After the power failure is restarted, when the positioning magnet is not at the specified position, the second Hall element can continuously give a control center signal, so that the output shaft of the driving motor rotates to the specified position, the positioning magnet moves to the specified position, the reset is completed after the power failure, manual operation is not needed, the structure is more perfect, and the safety is higher.

Drawings

The utility model is further explained below with reference to the drawing description and the detailed description.

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

FIG. 2 is a schematic view of the preferred embodiment of the present invention with the motor removed;

fig. 3 is a schematic diagram of an explosive structure according to a preferred embodiment of the present invention.

Detailed Description

Reference will now be made in detail to the present preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to like elements throughout.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.

Referring to fig. 1 to 3, an automatic throttle valve includes:

the valve core structure comprises a shell, wherein a valve core cavity 12 is arranged in the shell, a water inlet pipe 20 communicated with the valve core cavity 12 is arranged on the shell, and at least one water outlet pipe 21 communicated with the valve core cavity 12 is arranged on the shell;

the valve core 30 is arranged in the valve core cavity 12 and is matched with the water inlet pipe 20 and the water outlet pipe 21, and the valve core 30 comprises a fixed sheet and a movable sheet;

the motor 50 is fixedly arranged on the shell, and an output shaft of the motor 50 is directly or indirectly connected with the moving plate;

a flow sensor rotor 41, the flow sensor rotor 41 being disposed within the water inlet pipe 20;

a first hall element 40, said first hall element 40 being arranged on the housing and cooperating with the flow sensor rotor 41;

a positioning magnet 61, the positioning magnet 61 being disposed on the output shaft of the motor 50 and rotating together with the output shaft;

a second hall element 70, said second hall element 70 being disposed on the housing and cooperating with said positioning magnet 61.

When the water flow sensor is used, the motor 50 drives the moving plate to rotate, the output shaft of the motor 50 drives the positioning magnet 61 to rotate in the rotating process, the second Hall element 70 can sense the position of the positioning magnet 61, so that the rotation amplitude of the output shaft of the motor 50 is determined, under the normal condition, the first Hall element 40 is matched with the flow sensor rotor 41 to obtain the water flow in the water inlet pipe 20 in real time, the time for opening the valve core 30 by the motor 50 is controlled according to the requirement, and the motor 50 can automatically reset under the normal condition. After the power failure is restarted, when the positioning magnet 61 is not at the specified position, the second hall element 70 will continuously give a control center signal, so that the output shaft of the driving motor 50 rotates to the position where the positioning magnet 61 moves to the specified position, thereby completing the reset after the power failure, without manual operation, the structure is more perfect, and the safety is higher.

The motor 50 can drive the rotor plate directly or indirectly through a transmission assembly, and the specific operation mode is determined according to the requirement. In the present embodiment, it is preferable that the valve core 30 is provided with a connecting hole, and the output shaft of the motor 50 is inserted into the connecting hole and directly connected to the moving plate. The valve body 30 may be other valve bodies 30 with a conventional driving shaft, and when the valve bodies 30 are used, the output shaft of the motor 50 may be connected to the driving shaft of the valve body 30.

Preferably, the motor 50 is disposed at the upper end of the housing, and an output shaft of the motor 50 extends through the housing into the valve core cavity 12 to be directly or indirectly connected with the rotor plate.

Further, since it is troublesome to mount a single positioning magnet 61 on the output shaft of the motor 50, in order to simplify the mounting, the positioning magnet 61 is mounted on a positioning block 60, and the positioning block 60 is sleeved on the output shaft of the motor 50. Preferably, the positioning block 60 is located at the upper end of the housing. Considering the strength of the second hall element 70 and the positioning magnet 61, it is preferable that the second hall element 70 is disposed at the upper end of the housing and around the positioning block 60.

Preferably, the housing is divided into an upper housing 10 and a lower housing 11, the upper housing 10 and the lower housing 11 are covered with each other to form the valve core cavity 12, the water outlet pipe 21 is arranged on the upper housing 10, and the water inlet pipe 20 is arranged on the lower housing 11.

On the basis, the structure is optimized, preferably, the housing is divided into an upper housing 10 and a lower housing 11, the upper housing 10 and the lower housing 11 are mutually covered to form the valve core cavity 12, the upper surface of the upper housing 10 is provided with a mounting hole and a motor shaft hole 101, the motor 50 is arranged at the upper end of the upper housing 10, an output shaft of the motor 50 extends into the valve core cavity 12 through the motor shaft hole 101 and is directly or indirectly connected with the moving plate, the upper end of the lower housing 11 is provided with a receiving groove located below the mounting hole, the working end of the second hall element 70 is inserted into the receiving groove and extends to the upper end surface of the upper housing 10 through the mounting hole, and the positioning block 60 is located at the height level of the upper end surface of the upper housing 10 and the working end of the second hall element 70.

Preferably, the first hall element 40 is disposed on the outer periphery of the water inlet pipe 20 and is flush with the height of the flow sensor rotor 41.

Further optimize, it is preferred the casing lower extreme is provided with first minute water cavity and second minute water cavity, be provided with the first switch water hole that is linked together with first minute water cavity on the stator and the second switch water hole that is linked together with the second minute water cavity, outlet pipe 21 is two, and two outlet pipes 21 are linked together in first minute water cavity and second minute water cavity respectively, be provided with on the rotor and transfer the water hole with first switch water hole complex first accent water hole and with second switch water hole complex second, the area in second accent water hole is along clockwise or anticlockwise direction crescent, the length in second accent water hole is greater than the second switch water hole. In this way, the water flow flowing out from the first switch water hole is opened by the motor 50, and the water flow flowing out from the second switch water hole is gradually changed, so that the water purifier can be better matched with the existing water purifier and the electric heating faucet.

The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the technical scope of the present invention, which can be directly or indirectly applied to other related technical fields without departing from the spirit of the present invention, are intended to be included in the scope of the present invention.

Claims

1. An automatic throttle valve, comprising:

the water inlet valve comprises a shell, wherein a valve core cavity (12) is arranged in the shell, a water inlet pipe (20) communicated with the valve core cavity (12) is arranged on the shell, and at least one water outlet pipe (21) communicated with the valve core cavity (12) is arranged on the shell;

the valve core (30) is arranged in the valve core cavity (12) and is matched with the water inlet pipe (20) and the water outlet pipe (21), and the valve core (30) comprises a fixed sheet and a movable sheet;

the motor (50), the said motor (50) is fixedly mounted on body, the output shaft of the motor (50) is connected with rotor plate directly or indirectly;

a flow sensor rotor (41), the flow sensor rotor (41) being disposed within the water inlet pipe (20);

a first Hall element (40), said first Hall element (40) being disposed on the housing and cooperating with the flow sensor rotor (41);

the positioning magnet (61), the said positioning magnet (61) is set up on the output shaft of the electrical machinery (50) and follows the output shaft to rotate together;

a second Hall element (70), the second Hall element (70) being disposed on the housing and cooperating with the positioning magnet (61).

2. The automatic throttle valve of claim 1, wherein:

the motor (50) is arranged at the upper end of the shell, and an output shaft of the motor (50) penetrates through the shell and extends into the valve core cavity (12) to be directly or indirectly connected with the movable plate.

3. The automatic throttle valve of claim 2, wherein:

the positioning magnet (61) is arranged on a positioning block (60), and the positioning block (60) is sleeved on an output shaft of the motor (50).

4. The automatic throttle valve of claim 3, wherein:

the positioning block (60) is positioned at the upper end of the shell.

5. The automatic throttle valve of claim 4, wherein:

the second Hall element (70) is arranged at the upper end of the shell and is positioned on the periphery of the positioning block (60).

6. An automatic throttling valve according to claim 1 or 2 or 3 or 4 or 5, characterized in that:

the casing divide into casing (10) and casing (11) down, go up casing (10) and casing (11) down and cover each other and close and form case chamber (12), outlet pipe (21) set up on last casing (10), inlet tube (20) set up on casing (11) down.

7. The automatic throttle valve of claim 5, wherein:

the casing divide into casing (10) and lower casing (11), go up casing (10) and lower casing (11) and cover each other and close and form case chamber (12), it is provided with a mounting hole and motor shaft hole (101) to go up casing (10) upper surface, motor (50) set up in last casing (10) upper end, the output shaft of motor (50) extends to in case chamber (12) through motor shaft hole (101) and is connected with the rotor directly or indirectly, casing (11) upper end is provided with the accepting groove that is located the mounting hole below down, and the work end of second hall element (70) is inserted and is located accept the inslot and extend to casing (10) up end through the mounting hole, locating piece (60) are located casing (10) up end and the work end height of second hall element (70) and flush.

8. An automatic throttling valve according to claim 1 or 2 or 3 or 4 or 5 or 7, characterized in that:

the valve core (30) is provided with a connecting hole, and an output shaft of the motor (50) penetrates through the connecting hole and is directly connected with the moving plate.

9. An automatic throttling valve according to claim 1 or 2 or 3 or 4 or 5 or 7, characterized in that:

the first Hall element (40) is arranged on the periphery of the water inlet pipe (20) and is flush with the height of the flow sensor rotor (41).

10. An automatic throttling valve according to claim 1 or 2 or 3 or 4 or 5 or 7, characterized in that:

the casing lower extreme is provided with first minute water cavity and second minute water cavity, be provided with the first switch water hole that is linked together with first minute water cavity and the second switch water hole that is linked together with second minute water cavity on the stator, outlet pipe (21) are two, and two outlet pipes (21) are linked together in first minute water cavity and second minute water cavity respectively, be provided with on the rotor and transfer the water hole with first switch water hole complex first accent water hole and with second switch water hole complex second, the area in water hole is transferred to the second increases along clockwise or anticlockwise direction gradually, the length in water hole is transferred to the second is greater than second switch water hole.