CN211145462U

CN211145462U - Mixing valve structure

Info

Publication number: CN211145462U
Application number: CN201921397638.8U
Authority: CN
Inventors: 陈佩春; 许浒; 袁洪霸; 涂利国
Original assignee: Zhejiang Xinbeirui Medical Technology Co ltd
Current assignee: Kunshan Aibesi Medical Technology Co.,Ltd.
Priority date: 2019-08-26
Filing date: 2019-08-26
Publication date: 2020-07-31
Anticipated expiration: 2029-08-26

Abstract

The utility model discloses a mixing valve structure aims at providing a material saving and installation and maintenance convenient mixing valve structure. The valve comprises a valve body, a plurality of valve cavities are arranged inside the valve body, an inlet is formed in the valve body, the inlet is sequentially communicated with the plurality of valve cavities, a plurality of outlets corresponding to the valve cavities are formed in the valve body, the outlet is communicated with the valve cavities and is located on one side of the valve cavities, a plurality of valve blocks matched with the valve cavities are arranged on the valve body, the plurality of valve blocks are located on the other side of the valve cavities, the valve blocks are detachably connected with the valve body, U-shaped grooves are formed in the valve blocks and are communicated with the valve cavities, a stepping motor is arranged in each U-shaped groove, valve cores are arranged in the valve cavities, the output ends of. The utility model has the advantages that: the structure is simple; the material is saved, and the installation and the maintenance are convenient; the fluid medium can be ensured to completely flow through the valve core; the installation is convenient, and the maintenance and the replacement are convenient.

Description

Mixing valve structure

Technical Field

The utility model belongs to the technical field of the relevant technique of valve and specifically relates to indicate a mixing valve structure.

Background

In a pipeline conveying system, in order to control the flow direction of a fluid medium, various types of valves are commonly used in the pipeline conveying system as common structural elements, and a plurality of pipelines are often required to be controlled in many conveying systems, so that a plurality of valves are required, and especially when a plurality of valves of the same type are required to control the flow direction of the fluid medium in different pipelines, the material cost is too high, and the installation and maintenance are inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model relates to an overcome among the prior art too high and the inconvenient problem of installation maintenance of material cost, provide a material saving and installation maintenance convenient mixing valve structure.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a mixing valve structure, it includes the valve body, the inside of valve body is equipped with a plurality of valve pocket, be equipped with connector one on the valve body, connector one is linked together with a plurality of valve pocket in proper order, be equipped with connector two that a plurality of and valve pocket are corresponding on the valve body, connector two is linked together with the valve pocket, connector two is located one side of valve pocket, be equipped with a plurality of and valve pocket assorted valve piece on the valve body, a plurality of valve piece all are located the opposite side of valve pocket, the valve piece can be dismantled with the valve body and be connected, be equipped with U type groove on the valve piece, U type groove is linked together with the valve pocket, U type inslot is equipped with step motor, be equipped with the case in the valve pocket, step motor's output.

The inside of valve body is equipped with a plurality of valve pocket, be equipped with connector one on the valve body, connector one is linked together with a plurality of valve pocket in proper order, be equipped with a plurality of connector two corresponding with the valve pocket on the valve body, connector two is linked together with the valve pocket, connector two is located one side of valve pocket, be equipped with a plurality of and valve pocket assorted valve piece on the valve body, a plurality of valve piece all is located the opposite side of valve pocket, the valve piece can be dismantled with the valve body and be connected, be equipped with U type groove on the valve piece, U type groove is linked together with the valve pocket, U type inslot is equipped with step motor, be equipped with the case in the valve. The second connecting port is communicated with the valve cavity and used for connecting pipelines, a plurality of valve cavities are arranged in the design, valve cores are arranged in the valve cavities and are driven by the stepping motor to rotate to control and change the flow direction of fluid media, the valve cavities and the second connecting ports are in one-to-one correspondence, the flow direction of the fluid media in the different pipelines is controlled by one mixing valve, and the purposes of saving materials and being convenient to install and maintain are achieved.

Preferably, one end of the valve core is fixedly connected with the output end of the stepping motor, the other end of the valve core is provided with a through hole and a liquid dividing hole, the through hole is communicated with the first connector, one end of the liquid dividing hole is communicated with the through hole, the other end of the liquid dividing hole is communicated with the second connector, and a one-way valve is arranged in the through hole. Fluid medium enters the through hole from the first connecting port or the second connecting port, the stepping motor drives the valve core to rotate, and the flow direction of the fluid medium is controlled through the one-way valve.

Preferably, the check valve comprises a valve, a torsion spring and a stop block, the shape of the valve is matched with the through hole, the torsion spring is located at one end, close to the liquid separation hole, of the valve, the stop block is located at one end, far away from the liquid separation hole, of the valve, the stop block is fixedly connected with the valve core, the valve is located between the torsion spring and the stop block, the torsion spring is located between the valve and the liquid separation hole, and one end, provided with the torsion spring, of the valve is rotatably connected with the valve. When the fluid medium flows through one valve cavity and needs to reach the other valve cavity, the valve is positioned above the liquid separation hole, the fluid medium flushes the valve to enable the valve to completely cover the liquid separation hole, the corresponding liquid separation hole is closed, and the through hole is opened; when fluid medium needs to pass through the liquid separating hole and reach the corresponding pipeline, the liquid separating hole in the corresponding valve cavity needs to be opened, the through hole is closed, the corresponding stepping motor is started at the moment, the stepping motor drives the valve core to rotate for 180 degrees, the valve is positioned below the liquid separating hole, the stop block is positioned at the bottom of the valve, the torsion spring is positioned at the top of the valve, the valve seals the through hole and stops the fluid medium, and the fluid medium flows through the liquid separating hole and reaches the corresponding pipeline at the moment, so that the purpose of changing the flow direction of the fluid medium by driving the valve core to rotate through the stepping motor is achieved.

As preferred, the shape of valve body is the cuboid, connector one is located the one end of valve body, the other end of valve body is sealed, the length direction evenly distributed of cuboid is followed to a plurality of valve pocket, be equipped with trunk line and a plurality of minute pipeline in the valve body, the one end of trunk line is linked together with connector one, the other end of trunk line runs through a plurality of valve pocket in proper order, connector one is linked together with a plurality of valve pocket through the trunk line in proper order, connector two is divided the pipeline and is linked together with minute liquid hole, a plurality of connector two is located one side of valve body, a plurality of valve piece is located. The fluid medium enters the valve cavity from the first connecting port or the second connecting port, and the flow direction of the fluid medium is controlled by the valve core in the valve cavity.

Preferably, the central axis of the through hole is vertical to the central axis of the liquid separation hole, the diameter of the through hole is larger than that of the liquid separation hole, and the valve can completely cover the liquid separation hole when the second connecting port needs to be closed because the shape of the valve is matched with that of the through hole; the diameter of the through hole is the same as that of the main pipeline, and the through hole is communicated with the first connecting port through the main pipeline, so that the design is favorable for the fluid medium in the main pipeline to flow through the through hole more efficiently or the fluid medium in the through hole to flow through the main pipeline more efficiently, and the loss of the fluid medium is reduced; the diameter of the liquid separation hole is the same as that of the branch pipeline, and the liquid separation hole is communicated with the connecting port through the branch pipeline, so that the design is favorable for the fluid medium in the liquid separation hole to flow through the branch pipeline more efficiently or the fluid medium in the branch pipeline to flow through the liquid separation hole more efficiently, and the loss of the fluid medium is reduced.

Preferably, the valve core is cylindrical, a positioning block is arranged on the outer surface of the valve core, the positioning block is annular, the central shaft of the positioning block and the central shaft of the valve core are coaxial, the valve cavity comprises a positioning groove matched with the positioning block, the positioning groove is located on one side, provided with the valve block, of the valve body, the positioning block is located in the positioning groove, a groove matched with the valve core is formed in the bottom of the positioning groove, the branch pipeline is located at the center of the bottom of the groove, and the main pipeline penetrates through the side wall of the groove and. During the installation, locating piece and constant head tank cooperation installation on the case for the position of through-hole more accurately corresponds with the position of trunk line, and the position of branch liquid hole is corresponding with the position of branch pipeline, and the installation is simple and convenient.

Preferably, the valve body is provided with a plurality of groups of studs, each group of studs comprises a plurality of studs which are uniformly distributed on the side surface of the valve cavity, the valve block is provided with a plurality of mounting holes matched with the studs, the studs are provided with self-locking nuts, and the studs penetrate through the mounting holes and then are connected with the self-locking nuts. The self-locking nut prevents the valve block from loosening, the valve block is connected with the valve body through the stud, and the self-locking nut is locked, so that the valve block is convenient to maintain, replace and install.

The utility model has the advantages that: the structure is simple; the flow direction of fluid media in different pipelines is controlled by one mixing valve, so that materials are saved, and the installation and maintenance are convenient; the fluid medium can be ensured to flow through the valve core more efficiently, and the loss of the fluid medium is reduced; the installation is convenient, and the maintenance and the replacement are convenient.

Drawings

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

FIG. 2 is an external view of the present invention;

FIG. 3 is a partially enlarged view of the liquid hole at point A in FIG. 1 with the through hole closed;

FIG. 4 is a partially enlarged view of the liquid hole at point A in FIG. 1 with the through hole opened.

In the figure: 1. the valve comprises a valve body, a valve cavity, a connector I, a connector II, a connector 5, a valve block, a U-shaped groove 6, a stepping motor 7, a valve core 8, a through hole 9, a liquid dividing hole 10, a check valve 11, a valve 12, a torsion spring 13, a check block 14, a main pipeline 15, a branch pipeline 16, a positioning block 17, a positioning groove 18, a groove 19, a stud 20, a mounting hole 21 and a self-locking nut 22.

Detailed Description

The invention is further described with reference to the accompanying drawings and the detailed description.

In the embodiment shown in fig. 1 and 2, a mixing valve structure includes a valve body 1, a plurality of valve cavities 2 are disposed inside the valve body 1, a first connection port 3 is disposed on the valve body 1, the first connection port 3 is sequentially communicated with the plurality of valve cavities 2, a plurality of second connection ports 4 corresponding to the valve cavities 2 are disposed on the valve body 1, the second connection ports 4 are communicated with the valve cavities 2, the second connection ports 4 are located on one side of the valve cavities 2, a plurality of valve blocks 5 matched with the valve cavities 2 are disposed on the valve body 1, the plurality of valve blocks 5 are disposed on the other side of the valve cavities 2, the valve blocks 5 are detachably connected with the valve body 1, U-shaped grooves 6 are disposed on the valve blocks 5, the U-shaped grooves 6 are communicated with the valve cavities 2, stepping motors 7 are disposed in the U-shaped grooves 6, valve cores 8 are disposed in the valve cavities 2.

As shown in fig. 1, one end of the valve core 8 is fixedly connected with the output end of the stepping motor 7, the other end of the valve core 8 is provided with a through hole 9 and a liquid separation hole 10, the through hole 9 is communicated with the first connector 3, one end of the liquid separation hole 10 is communicated with the through hole 9, the other end of the liquid separation hole 10 is communicated with the second connector 4, and a one-way valve 11 is arranged in the through hole 9.

As shown in fig. 3 and 4, the check valve 11 includes a valve 12, a torsion spring 13 and a stopper 14, the shape of the valve 12 matches with the through hole 9, the torsion spring 13 is located at one end of the valve 12 close to the liquid separation hole 10, the stopper 14 is located at one end of the valve 12 far from the liquid separation hole 10, the stopper 14 is fixedly connected with the valve core 8, the valve 12 is located between the torsion spring 13 and the stopper 14, the torsion spring 13 is located between the valve 12 and the liquid separation hole 10, and one end of the valve 12, which is provided with the torsion spring 13, is rotatably connected with the valve core 8.

As shown in fig. 1, fig. 2, the shape of valve body 1 is the cuboid, connector one 3 is located the one end of valve body 1, the other end of valve body 1 is sealed, the length direction evenly distributed of cuboid is followed to a plurality of valve pocket 2, be equipped with trunk line 15 and a plurality of minute pipeline 16 in the valve body 1, the one end and the connector one 3 of trunk line 15 are linked together, a plurality of valve pocket 2 is run through in proper order to the other end of trunk line 15, connector one 3 is linked together with a plurality of valve pocket 2 in proper order through trunk line 15, connector two 4 is linked together with valve pocket 2 through minute pipeline 16, a plurality of connector two 4 is located one side of valve body 1, a plurality of valve piece 5.

As shown in fig. 3 and 4, the central axis of the through hole 9 and the central axis of the liquid separation hole 10 are perpendicular to each other, the diameter of the through hole 9 is larger than that of the liquid separation hole 10, the diameter of the through hole 9 is the same as that of the main pipe 15, the through hole 9 is communicated with the first connection port 3 through the main pipe 15, the diameter of the liquid separation hole 10 is the same as that of the second connection port 4 through the second connection port 16. The shape of case 8 is cylindrical, be equipped with locating piece 17 on the surface of case 8, the shape of locating piece 17 is ring shape, the center pin of locating piece 17 is same axis with the center pin of case 8, valve pocket 2 includes with locating piece 17 assorted constant head tank 18, constant head tank 18 is located the one side that valve body 1 was equipped with valve block 5, locating piece 17 is located constant head tank 18, the bottom of constant head tank 18 is equipped with and case 8 assorted recess 19, the branch pipeline 16 is located the bottom central point department of recess 19, main pipeline 15 runs through the lateral wall of recess 19 and is linked together with through-hole 9.

As shown in fig. 1, the valve body 1 is provided with studs 20, the studs 20 are provided with a plurality of groups, each group of studs 20 includes a plurality of studs 20 and is uniformly distributed on the side surface of the valve cavity 2, the valve block 5 is provided with a plurality of mounting holes 21 matched with the studs 20, the studs 20 are provided with self-locking nuts 22, and the studs 20 penetrate through the mounting holes 21 and then are connected with the self-locking nuts 22.

The working principle is as follows: the mixing valve is mainly used for realizing the proportion of cleaning fluid and disinfectant in the dental chair cleaning machine and conveying mixed liquid after the proportion into a water inlet pipe of a dental chair for washing the dental chair, and according to the cleaning principle of the dental chair cleaning machine, the mixing valve controls the flow direction of fluid media in corresponding pipelines by three valve cores 8. One of the valve cores 8 is used for controlling cleaning liquid to flow to a mixing barrel in the dental chair cleaning machine, the other valve core 8 is used for controlling disinfectant to flow to the mixing barrel in the dental chair cleaning machine, the last valve core 8 is used for controlling water to flow to the mixing barrel in the dental chair cleaning machine, and mixed liquid after being proportioned in the mixing barrel is conveyed into a dental chair for cleaning or disinfection.

When the cleaning liquid needs to be conveyed, the cleaning tank filled with the cleaning liquid is connected with one of the second connecting ports 4 through a corresponding pipeline, the corresponding stepping motor 7 is started, the stepping motor 7 drives the valve core 8 to rotate 180 degrees, the valve 12 is positioned below the liquid distribution hole 10, the stop block 14 is positioned at the bottom of the valve 12, the torsion spring 13 is positioned at the top of the valve 12, the valve 12 seals the lower end of the through hole 9, the second connecting port 4 is opened, and the cleaning liquid flows through the liquid distribution hole 10 and then enters the mixing barrel through the first connecting port 3; when disinfectant and water are required to be conveyed and enter the mixing barrel for proportioning, the method is the same as the method for conveying cleaning fluid.

When the mixed liquid after the mixture ratio in the mixing barrel needs to be conveyed into the dental chair for use, the two connecting ports 4 corresponding to the mixed liquid are opened, the other two connecting ports 4 are closed, and the two connecting ports 4 are closed according to the principle that: the stepping motor 7 drives the valve core 8 to rotate so that the valve 12 is positioned above the liquid distribution hole 10, the mixed liquid in the mixing barrel flushes the valve 12 so that the valve 12 completely covers the liquid distribution hole 10, and the mixed liquid enters the opened connecting port II 4 through the through hole 9 and is conveyed into the dental chair for use.

Claims

1. The mixing valve structure is characterized by comprising a valve body (1), wherein a plurality of valve cavities (2) are arranged inside the valve body (1), a first connecting port (3) is arranged on the valve body (1), the first connecting port (3) is sequentially communicated with the valve cavities (2), a plurality of second connecting ports (4) corresponding to the valve cavities (2) are arranged on the valve body (1), the second connecting ports (4) are communicated with the valve cavities (2), the second connecting ports (4) are positioned on one side of the valve cavities (2), a plurality of valve blocks (5) matched with the valve cavities (2) are arranged on the valve body (1), the valve blocks (5) are positioned on the other side of the valve cavities (2), the valve blocks (5) are detachably connected with the valve body (1), U-shaped grooves (6) are arranged on the valve blocks (5), and the U-shaped grooves (6) are communicated with the valve cavities (2), the valve is characterized in that a stepping motor (7) is arranged in the U-shaped groove (6), a valve core (8) is arranged in the valve cavity (2), the output end of the stepping motor (7) is fixedly connected with the valve core (8), and the valve core (8) is rotatably connected with the valve body (1).

2. The mixing valve structure according to claim 1, wherein one end of the valve core (8) is fixedly connected with the output end of the stepping motor (7), the other end of the valve core (8) is provided with a through hole (9) and a liquid separation hole (10), the through hole (9) is communicated with the first connecting port (3), one end of the liquid separation hole (10) is communicated with the through hole (9), the other end of the liquid separation hole (10) is communicated with the second connecting port (4), and a one-way valve (11) is arranged in the through hole (9).

3. A mixing valve structure according to claim 2, characterized in that the check valve (11) comprises a valve (12), a torsion spring (13) and a stop (14), the shape of the valve (12) matches with the through hole (9), the torsion spring (13) is located at one end of the valve (12) close to the liquid separation hole (10), the stop (14) is located at one end of the valve (12) far from the liquid separation hole (10), the stop (14) is fixedly connected with the valve core (8), the valve (12) is located between the torsion spring (13) and the stop (14), the torsion spring (13) is located between the valve (12) and the liquid separation hole (10), and one end of the valve (12) provided with the torsion spring (13) is rotatably connected with the valve core (8).

4. A mixing valve structure according to claim 2 or 3, characterised in that the valve body (1) is cuboid in shape, the first connecting port (3) is positioned at one end of the valve body (1), the other end of the valve body (1) is sealed, a plurality of valve cavities (2) are uniformly distributed along the length direction of the cuboid, a main pipeline (15) and a plurality of branch pipelines (16) are arranged in the valve body (1), one end of the main pipeline (15) is communicated with the first connecting port (3), the other end of the main pipeline (15) sequentially penetrates through the valve cavities (2), the first connecting port (3) is sequentially communicated with the valve cavities (2) through a main pipeline (15), the second connecting ports (4) are communicated with the liquid dividing holes (10) through the liquid dividing pipelines (16), the second connecting ports (4) are located on one side of the valve body (1), and the valve blocks (5) are located on the other side of the valve body (1).

5. A mixing valve structure according to claim 4, characterized in that the central axis of the through hole (9) and the central axis of the liquid dividing hole (10) are perpendicular to each other, the diameter of the through hole (9) is larger than the diameter of the liquid dividing hole (10), the diameter of the through hole (9) is the same as the diameter of the main pipe (15), the through hole (9) is communicated with the first connecting port (3) through the main pipe (15), the diameter of the liquid dividing hole (10) is the same as the diameter of the branch pipe (16), and the liquid dividing hole (10) is communicated with the second connecting port (4) through the branch pipe (16).

6. A mixing valve arrangement according to claim 4, characterised in that the valve cartridge (8) is cylindrical in shape, a positioning block (17) is arranged on the outer surface of the valve core (8), the positioning block (17) is annular, the central shaft of the positioning block (17) and the central shaft of the valve core (8) are the same axial line, the valve cavity (2) comprises a positioning groove (18) matched with the positioning block (17), the positioning groove (18) is positioned at one side of the valve body (1) provided with the valve block (5), the positioning block (17) is positioned in the positioning groove (18), the bottom of the positioning groove (18) is provided with a groove (19) matched with the valve core (8), the branch pipeline (16) is located at the center of the bottom of the groove (19), and the main pipeline (15) penetrates through the side wall of the groove (19) and is communicated with the through hole (9).

7. The mixing valve structure according to claim 1, 2 or 3, wherein the valve body (1) is provided with a plurality of studs (20), the studs (20) are provided with a plurality of groups, each group of studs (20) comprises a plurality of studs (20) and is uniformly distributed on the side surface of the valve cavity (2), the valve block (5) is provided with a plurality of mounting holes (21) matched with the studs (20), the studs (20) are provided with self-locking nuts (22), and the studs (20) penetrate through the mounting holes (21) and then are connected with the self-locking nuts (22).