CN218818324U

CN218818324U - Flow regulating valve

Info

Publication number: CN218818324U
Application number: CN202123452468.9U
Authority: CN
Inventors: 张克海; 徐智洋
Original assignee: Zhejiang Kebo Electrical Appliances Co ltd
Current assignee: Zhejiang Kebo Electrical Appliances Co ltd
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2023-04-07
Anticipated expiration: 2031-12-30

Abstract

The utility model belongs to the technical field of fluid control, in particular to a flow control valve, which comprises a valve body component, a flow control component arranged in the valve body component, a driving motor arranged on the valve body component, and a transmission mechanism connected between the driving motor and the flow control component, wherein the valve body component is provided with a hot water inlet, a cold water inlet and a mixed water outlet, and the driving motor drives the flow control component through the transmission mechanism to adjust the opening and closing proportion between the mixed water outlet and the hot water inlet and the cold water inlet; the valve body assembly is characterized by further comprising a rotation sensing piece fixed on the valve body assembly, the rotation sensing piece is matched with the transmission mechanism, the driving motor is a stepping motor, at least one position in the driving process is generated when the driving motor runs, and the rotation sensing piece outputs signals. The utility model discloses can the induction motor pivoted position to confirm that the delivery port is hot water or cold water or concrete water state.

Description

Flow regulating valve

Technical Field

The utility model belongs to the technical field of fluid control, concretely relates to flow control valve.

Background

In the field of fluid control, two fluids in different states or two different media are mixed, for example, in devices such as water dispensers and water heaters which need a function of adjusting water temperature, the position of a handle is adjusted by hands in the prior art so as to control the opening and closing ratio of a hot water channel and a cold water channel, thereby adjusting the water temperature. The flow regulating valve can automatically regulate the opening and closing proportion of the hot water channel and the cold water channel, so that the flow regulating valve is increasingly used in electric appliances. The flow regulating valve in the prior art adjusts the opening and closing proportion of a hot water channel and a cold water channel through the driving of a motor, but the flow regulating valve lacks the function of sensing the opening and closing proportion position of the flow regulating valve, namely, the water which is discharged from the opening of the flow regulating valve at a certain moment can not be judged to be cold water or hot water or whether the water is water with preset required temperature.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a flow control valve in order to overcome the shortcoming and not enough that prior art exists.

The technical scheme adopted by the invention is as follows: a flow regulating valve comprises a valve body assembly, a flow regulating assembly arranged in the valve body assembly, a driving motor arranged on the valve body assembly, and a transmission mechanism connected between the driving motor and the flow regulating assembly, wherein the valve body assembly is provided with a hot water inlet, a cold water inlet and a mixed water outlet, and the driving motor drives the flow regulating assembly through the transmission mechanism to regulate the opening and closing proportion between the mixed water outlet and the hot water inlet and the cold water inlet; the valve body assembly is characterized by further comprising a rotation sensing piece fixed on the valve body assembly, the rotation sensing piece is matched with the transmission mechanism, the driving motor is a stepping motor, at least one position in the driving process occurs when the driving motor runs, and the rotation sensing piece outputs signals.

The rotary induction part is a microswitch with a triggering part, the driving motor is provided with an output shaft for rotary output, the transmission mechanism comprises an eccentric cam which is in linkage fit with the circumferential direction of the output shaft, and in a partial path of the driving motor for driving the eccentric cam to rotate, the cam part of the eccentric cam pushes the triggering part of the rotary induction part, so that the microswitch is switched off or switched on.

The valve body assembly comprises a valve body and a water outlet seat, the valve body is connected with the water outlet seat to form a valve cavity, the flow regulating assembly is arranged in the valve cavity between the valve body and the water outlet seat, and the water outlet seat is provided with a hot water inlet, a cold water inlet and a mixed water outlet; the rotation sensing piece is arranged on the outer wall of the valve body.

The valve body assembly comprises a motor base connected with the valve body, the driving motor is fixed on the motor base, the output shaft penetrates through the motor base, a cavity is formed between the motor base and the valve body, the eccentric cam is limited in the cavity between the motor base and the valve body, and the rotation sensing part is fixed in the cavity between the motor base and the valve body.

The rotary induction piece is provided with at least two limiting holes which are separated by a certain distance, the valve body and/or the motor base are/is bulged to form limiting columns located in the limiting holes, and the side surfaces of the two sides of the rotary induction piece are respectively contacted with the surface of the valve body and the surface of the motor base.

The motor base is detachably connected with the valve body through bolts.

The flow regulating assembly comprises a fixed seat fixed relative to the valve body assembly and a rotating disc which is attached to the fixed seat and can rotate relative to the fixed seat, the transmission mechanism comprises a rotating shaft, the driving motor can drive the rotating shaft to rotate, and the rotating shaft is in circumferential linkage connection with the rotating disc; the rotary shaft is provided with at least two linkage pins, and the rotary disc is provided with first linkage holes matched with the linkage pins in shape and used for inserting the linkage pins.

The rotary shaft is provided with two linkage pins formed by bulges, and the two linkage pins are eccentrically arranged relative to the rotary shaft center of the rotary shaft.

The rotary shaft is provided with two linkage pins, one linkage pin is positioned on the rotary shaft center of the rotary shaft, and the other linkage pin is eccentrically arranged relative to the rotary shaft center of the rotary shaft.

The rotation sensing part is a microswitch with a triggering part, the driving motor is provided with an output shaft for outputting rotation, the transmission mechanism comprises an eccentric cam which is in linkage fit with the circumferential direction of the output shaft, and in a partial path of the driving motor for driving the eccentric cam to rotate, the cam part of the eccentric cam pushes the triggering part of the rotation sensing part, so that the microswitch outputs a signal; and a second linkage hole for the rotating shaft to penetrate is formed in the eccentric cam, and a compression spring is arranged between the eccentric cam and the rotating shaft.

The utility model has the advantages as follows: the utility model discloses can the induction motor pivoted position to confirm that the delivery port is hot water or cold water or concrete water state.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings obtained from these drawings still belong to the scope of the present invention without inventive laboriousness.

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

fig. 2 is a cross-sectional view of an embodiment of the present invention;

fig. 3 is an exploded view of an embodiment of the present invention;

fig. 4 is a schematic structural view of an eccentric cam according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a valve body according to an embodiment of the present invention;

fig. 6 is a schematic structural view of a rotation sensor according to an embodiment of the present invention;

fig. 7 is a schematic structural view of a rotating shaft according to an embodiment of the present invention;

fig. 8 is a schematic structural view of a rotating disc according to an embodiment of the present invention;

fig. 9 is a schematic structural view of a rotating shaft according to another embodiment of the present invention;

fig. 10 is a schematic structural view of a rotating disk according to another embodiment of the present invention;

in the figure, 1, a driving motor; 101, an output shaft; 2, fixing a base; 3, rotating the disc; 301, a first linkage hole; 4, a valve body; 401, a limiting column; 5, a water outlet seat; 501, a hot water inlet; 502, cold water inlet; 503, a mixed water outlet; 6, compressing the spring; 7, a rotating shaft; 701, a linkage pin; 8, an eccentric cam; 801, a second linkage hole; 9, a motor base; 10, rotating the sensing piece; 1001, limiting holes; 1002, a trigger part.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings.

It should be noted that all expressions using "first" and "second" in the embodiments of the present invention are used for distinguishing two entities with the same name but different names or different parameters, and it is understood that "first" and "second" are only used for convenience of expression and should not be construed as limitations to the embodiments of the present invention, and the following embodiments do not describe the embodiments one by one.

The terms of direction and position in the present invention, such as "up", "down", "front", "back", "left", "right", "inside", "outside", "top", "bottom", "side", etc., refer to the direction and position of the attached drawings. Accordingly, the use of directional and positional terms is intended to illustrate and understand the present invention and is not intended to limit the scope of the invention.

As shown in fig. 1-3, a flow regulating valve includes a valve body assembly, a flow regulating assembly disposed in the valve body assembly, a driving motor 1 disposed on the valve body assembly, and a transmission mechanism connected between the driving motor 1 and the flow regulating assembly, wherein the valve body assembly is provided with a hot water inlet 501, a cold water inlet 502, and a mixed water outlet 503, and the driving motor 1 drives the flow regulating assembly through the transmission mechanism to regulate the opening and closing ratio between the mixed water outlet 503 and the hot water inlet 501 and the cold water inlet 502; the method is characterized in that: still including fixing the rotation response piece 10 on the valve body subassembly, rotate response piece 10 and drive mechanism cooperation, driving motor 1 is step motor at least one position in the drive process takes place in driving motor 1 operation, rotate response piece 10 output signal. In this embodiment, specifically, when the driving motor 1 is driven to the maximum position during operation, the rotation sensing member 10 outputs a signal, which indicates that the discharged water is hot water. Other positions can be set as required to enable the rotation sensing element 10 to output signals, which indicate that the outlet water is cold water or water in other states. Or according to the requirement, the rotating sensing part 10 can output different signals at different positions of the device, so that the specific state of the water outlet at the moment can be described. The hot water inlet 501, the cold water inlet 502 and the mixed water outlet 503 are respectively used for connecting a hot water inlet pipe, a cold water inlet pipe and a mixed water outlet pipe in the embodiment, so that the hot water and the cold water can be mixed into mixed water with a required temperature in an adjustable flow rate manner, and the hot water inlet 501 and the cold water inlet 502 can be connected with pipelines of other fluid media according to requirements.

In this embodiment, the rotation sensing member 10 is a micro switch having a triggering portion 1002, the driving motor 1 is provided with an output shaft 101 for outputting rotation, the transmission mechanism includes an eccentric cam 8 in circumferential linkage with the output shaft 101, and in a partial path of the driving motor 1 for driving the eccentric cam 8 to rotate, the cam portion of the eccentric cam 8 pushes the triggering portion 1002 of the rotation sensing member 10, so as to turn off or turn on the micro switch. The microswitch and the driving motor 1 can realize the above functions through circuit design, and a person skilled in the art can design various circuits capable of realizing the above functions by combining with the common general knowledge of electricity, which is not specifically described herein. The rotation sensing member 10 may also be other electrical elements, sensors, etc. that can be triggered, so as to output an electrical signal or other signals to control the driving motor 1 when the driving motor 1 rotates to a preset position during the operation of the driving motor 1.

The valve body assembly comprises a valve body 4 and a water outlet seat 5, the valve body 4 is connected with the water outlet seat 5 to form a valve cavity, the flow regulating assembly is arranged in the valve cavity between the valve body 4 and the water outlet seat 5, and the water outlet seat 5 is provided with a hot water inlet 501, a cold water inlet 502 and a mixed water outlet 503; the rotation sensor 10 is disposed on the outer wall of the valve body 4.

Further, the valve body subassembly includes motor cabinet 9 that links to each other with valve body 4, driving motor 1 is fixed on motor cabinet 9, output shaft 101 passes motor cabinet 9, be equipped with the cavity between motor cabinet 9 and the valve body 4, eccentric cam 8 is spacing in the cavity between motor cabinet 9 and valve body 4, rotate in response piece 10 is fixed in the cavity between motor cabinet 9 and the valve body 4.

As shown in fig. 6, at least two spacing holes 1001 spaced at a certain interval are formed in the rotation sensing member 10, a spacing post 401 located in the spacing hole 1001 is formed in the valve body 4 and/or the motor base 9 in a protruding manner, in this embodiment, as shown in fig. 5, a spacing post 401 located in the spacing hole 1001 is formed in the valve body 4 in a protruding manner, and the side surfaces of both sides of the rotation sensing member 10 are respectively in contact with the surface of the valve body 4 and the surface of the motor base 9. Thus, the installation and fixation can be stable, and the disassembly and the assembly are convenient.

Further, the motor base 9 is detachably connected with the valve body 4 through a bolt.

The flow regulating assembly comprises a fixed seat 2 fixed relative to the valve body assembly and a rotating disc 3 which is attached to the fixed seat 2 and can rotate relative to the fixed seat 2, the transmission mechanism comprises a rotating shaft 7, the driving motor 1 can drive the rotating shaft 7 to rotate, and the rotating shaft 7 is in circumferential linkage connection with the rotating disc 3; at least two linkage pins 701 are formed on the rotating shaft 7 in a protruding mode, and a first linkage hole 301 which is matched with the linkage pins 701 in shape and used for inserting the linkage pins 701 is formed in the rotating disc 3.

As an implementation manner, as shown in fig. 7, two linkage pins 701 are formed by protruding on the rotating shaft 7, and both the two linkage pins 701 are eccentrically disposed with respect to the rotation axis of the rotating shaft 7, and correspondingly, as shown in fig. 8, two first linkage holes 301 disposed on the rotating disc 3 are also eccentrically disposed.

As another implementation manner, as shown in fig. 9, the rotating shaft 7 protrudes to form two linkage pins 701, one linkage pin 701 is located on a rotating axis of the rotating shaft 7, and the other linkage pin 701 is eccentrically disposed with respect to the rotating axis of the rotating shaft 7, as shown in fig. 10, two first linkage holes 301 are disposed on the rotating disc 3, one of the first linkage holes is located on the rotating axis, and the other is eccentrically disposed.

The rotation sensing part 10 is a microswitch with a trigger part 1002, the driving motor 1 is provided with an output shaft 101 for outputting rotation, the transmission mechanism comprises an eccentric cam 8 which is in linkage fit with the circumferential direction of the output shaft 101, and in a partial path of the driving motor 1 for driving the eccentric cam 8 to rotate, the cam part of the eccentric cam 8 pushes the trigger part 1002 of the rotation sensing part 10, so that the microswitch outputs a signal; the eccentric cam 8 is provided with a second linkage hole 801 for the rotating shaft 7 to penetrate through, and a compression spring 6 is arranged between the eccentric cam 8 and the rotating shaft 7.

The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the invention, which is defined by the appended claims.

Claims

1. A flow regulating valve comprises a valve body assembly, a flow regulating assembly arranged in the valve body assembly, a driving motor (1) arranged on the valve body assembly, and a transmission mechanism connected between the driving motor (1) and the flow regulating assembly, wherein the valve body assembly is provided with a hot water inlet (501), a cold water inlet (502) and a mixed water outlet (503), and the driving motor (1) drives the flow regulating assembly through the transmission mechanism to regulate the opening and closing proportion among the mixed water outlet (503), the hot water inlet (501) and the cold water inlet (502); the method is characterized in that: the valve body assembly is characterized by further comprising a rotation sensing piece (10) fixed on the valve body assembly, the rotation sensing piece (10) is matched with the transmission mechanism, the driving motor (1) is a stepping motor, and the rotation sensing piece (10) outputs signals at least at one position in the driving process of the driving motor (1); the rotary sensing piece (10) is a microswitch with a triggering part (1002), the driving motor (1) is provided with an output shaft (101) for rotary output, the transmission mechanism comprises an eccentric cam (8) which is in circumferential linkage fit with the output shaft (101), and in a partial path of the driving motor (1) for driving the eccentric cam (8) to rotate, the cam part of the eccentric cam (8) pushes the triggering part (1002) of the rotary sensing piece (10) so as to enable the microswitch to be switched off or switched on;

the valve body assembly comprises a valve body (4) and a water outlet seat (5), the valve body (4) is connected with the water outlet seat (5) to form a valve cavity, the flow regulating assembly is arranged in the valve cavity between the valve body and the water outlet seat, and the water outlet seat (5) is provided with a hot water inlet (501), a cold water inlet (502) and a mixed water outlet (503); the rotation sensing piece (10) is arranged on the outer wall of the valve body (4); the valve body assembly comprises a motor base (9) connected with the valve body (4), the driving motor (1) is fixed on the motor base (9), the output shaft (101) penetrates through the motor base (9), a cavity is formed between the motor base (9) and the valve body (4), the eccentric cam (8) is limited in the cavity between the motor base (9) and the valve body (4), and the rotation sensing part (10) is fixed in the cavity between the motor base (9) and the valve body (4);

at least two limiting holes (1001) with a certain interval are formed in the rotation sensing piece (10), limiting columns (401) located in the limiting holes (1001) are formed on the valve body (4) and/or the motor base (9) in a protruding mode, and the side faces of the two sides of the rotation sensing piece (10) are respectively in contact with the surface of the valve body (4) and the surface of the motor base (9);

the flow regulating assembly comprises a fixed seat (2) fixed relative to the valve body assembly and a rotating disc (3) which is attached to the fixed seat (2) and can rotate relative to the fixed seat (2), the transmission mechanism comprises a rotating shaft (7), the driving motor (1) can drive the rotating shaft (7) to rotate, and the rotating shaft (7) is in circumferential linkage connection with the rotating disc (3); the rotating shaft (7) is protruded to form at least two linkage pins (701), and a first linkage hole (301) which is matched with the linkage pins (701) in shape and used for inserting the linkage pins (701) is formed in the rotating disc (3).

2. The flow control valve according to claim 1, wherein: the motor base (9) is detachably connected with the valve body (4) through a bolt.

3. The flow control valve according to claim 1, wherein: the rotating shaft (7) is bulged to form two linkage pins (701), and the two linkage pins (701) are arranged eccentrically relative to the rotating shaft center of the rotating shaft (7).

4. The flow control valve according to claim 1, wherein: the rotating shaft (7) is protruded to form two linkage pins (701), one linkage pin (701) is located on the rotating shaft center of the rotating shaft (7), and the other linkage pin (701) is eccentrically arranged relative to the rotating shaft center of the rotating shaft (7).

5. The flow control valve according to claim 1, wherein: and a second linkage hole (801) for the rotating shaft (7) to penetrate is formed in the eccentric cam (8), and a compression spring (6) is arranged between the eccentric cam (8) and the rotating shaft (7).