CN219345568U

CN219345568U - Microminiature air exchange valve

Info

Publication number: CN219345568U
Application number: CN202223558868.2U
Authority: CN
Inventors: 张旭辉
Original assignee: Primo Intelligent Technology Shanghai Co ltd
Current assignee: Primo Intelligent Technology Shanghai Co ltd
Priority date: 2022-12-30
Filing date: 2022-12-30
Publication date: 2023-07-14
Anticipated expiration: 2032-12-30

Abstract

The utility model discloses a microminiature scavenging valve, comprising: valve body and solenoid are equipped with the inlet on the valve body, and gas gets into from the inlet, still contains: the movable iron core module, the sealing module and the shunt module. One end of the movable iron core module is connected with the electromagnetic coil, and the other end of the movable iron core module is connected with the valve body, and the electromagnetic coil drives the movable iron core module to move in the valve body and is used for changing the flow direction of gas in the valve body; the sealing module is sleeved at the other end of the movable iron core module, the other end of the movable iron core module is connected with the valve body through the sealing module, and the sealing module is used for sealing between the movable iron core module and the valve body; the flow distribution module is arranged on the valve body, and the flow inlet is communicated with the flow distribution module through the sealing module to distribute the gas entering the valve body. The utility model not only can realize the quick replacement of the movable iron core, but also can reduce the maintenance cost; and the function of switching one-way air inlet and multiple-way air outlet can be realized by only one electromagnetic valve.

Description

Microminiature air exchange valve

Technical Field

The utility model relates to the technical field of ventilation valves, in particular to a microminiature ventilation valve.

Background

In the prior art, the electromagnetic valve is switched by 2 shunt ports, and if one air source is needed to be realized, the electromagnetic valve is shunted to a plurality of shunt ports, and the electromagnetic valve is arranged on a busbar plate in the conventional method, so that the aim of centralized air supply is fulfilled. And when the electromagnetic valve breaks down and needs to be replaced, the electromagnetic valve is replaced integrally, so that the replacement is inconvenient and the replacement cost is high.

Disclosure of Invention

According to an embodiment of the present utility model, there is provided a microminiature gas exchange valve including: valve body and solenoid are equipped with the inlet on the valve body, and gas gets into from the inlet, still contains: the movable iron core module, the sealing module and the shunt module. One end of the movable iron core module is connected with the electromagnetic coil, and the other end of the movable iron core module is connected with the valve body, and the electromagnetic coil drives the movable iron core module to move in the valve body and is used for changing the flow direction of gas in the valve body; the sealing module is sleeved at the other end of the movable iron core module, the other end of the movable iron core module is connected with the valve body through the sealing module, and the sealing module is used for sealing between the movable iron core module and the valve body; the flow distribution module is arranged on the valve body, and the flow inlet is communicated with the flow distribution module through the sealing module to distribute the gas entering the valve body.

Further, the sealing module includes: the valve core spacer blocks are hollow cylinders, the valve core spacer blocks are sequentially sleeved at the other end of the movable iron core module, the valve core spacer blocks are provided with a plurality of small holes, the small holes penetrate through the valve core spacer blocks, and gas flows to the flow distribution module through the small holes.

Further, a first sealing ring is arranged on the outer side of the valve element spacer block and used for sealing between the valve element spacer block and the valve body.

Further, a second sealing ring is arranged on the inner side of the valve core spacer block and used for sealing between the valve core spacer block and the other end of the movable iron core module.

Further, the movable iron core module includes: the device comprises a shell, a core bar and an elastic component; one end of the core rod is inserted into the shell, the other end of the core rod is inserted into the sealing module, and the reciprocating motion of the core rod in the sealing module can control the flow direction of gas entering a plurality of small holes; the shell is connected with the electromagnetic coil, the electromagnetic coil drives the core rod to move through electromagnetic force, and the core rod drives the elastic component to stretch; one end of the elastic component is connected with the shell, the other end of the elastic component is connected with the core rod, and when the electromagnetic coil is powered off, the elastic component contracts to drive the core rod to reset.

Further, a plurality of annular bulges are arranged on the core rod, the annular bulges can be tightly attached to the sealing module through the second sealing ring, and the core rod controls a plurality of small holes for gas to enter through driving the annular bulges, so that the flow direction of the gas is controlled.

Further, the shunt module includes: the first diversion layer is provided with a plurality of diversion openings, the plurality of diversion openings are communicated with the inflow opening through the sealing module, and the plurality of diversion openings are used for diverting gas into a plurality of directions.

Further, the shunt module further comprises: the second diversion layer is arranged at the same level as the first diversion layer and is positioned at the lower part of the first diversion layer; the electromagnetic coil controls a plurality of small holes for gas to enter by driving the movable iron core module to move in the valve body, so that the flow direction of the gas is changed to the second flow dividing layer.

According to the microminiature air exchange valve provided by the embodiment of the utility model, the movable iron core can be quickly replaced, and the maintenance cost is reduced; and the function of switching one-way air inlet and multiple-way air outlet can be realized by only one electromagnetic valve.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and are intended to provide further explanation of the technology claimed.

Drawings

FIG. 1 is a cross-sectional view of a front view according to an embodiment of the present utility model;

FIG. 2 is an enlarged view at A of FIG. 1 according to an embodiment of the present utility model;

fig. 3 is a cross-sectional view of a left side view of an embodiment according to the present utility model.

Description of the embodiments

The preferred embodiments of the present utility model will be described in detail below with reference to the attached drawings, which further illustrate the present utility model.

Firstly, a microminiature gas exchange valve according to an embodiment of the present utility model will be described with reference to fig. 1 to 3, and is used in the technical field of gas exchange valves, and has a wide application scenario.

As shown in fig. 1 to 3, the microminiature ventilation valve according to the embodiment of the present utility model includes: valve body 4 and solenoid 5 are equipped with inlet 6 on the valve body 4, and gas gets into from inlet 6, still contains: a movable iron core module 2, a sealing module 1 and a shunt module 3. One end of the movable iron core module 2 is connected with the electromagnetic coil 5, the other end of the movable iron core module is connected with the valve body 4, and the electromagnetic coil 5 drives the movable iron core module 2 to move in the valve body 4 and is used for changing the flow direction of gas in the valve body 4; the sealing module 1 is sleeved at the other end of the movable iron core module 2, the other end of the movable iron core module 2 is connected with the valve body 4 through the sealing module 1, and the sealing module 1 is used for sealing between the movable iron core module 2 and the valve body 4; the flow dividing module 3 is arranged on the valve body 4, and the inlet 6 is communicated with the flow dividing module 3 through the sealing module 1 to divide the gas entering the valve body 4.

Specifically, as shown in fig. 1 to 3, in the present embodiment, the sealing module 1 includes: a plurality of valve core spacer blocks 11, the valve core spacer blocks 11 are divided into: a first spool spacer 111, a second spool spacer 112, and a third spool spacer 113. The valve core spacer is a hollow cylinder, a plurality of valve core spacer 11 are sequentially sleeved at the other end of the movable iron core module 2, the valve core spacer is provided with a plurality of small holes 111, the small holes 111 penetrate through the valve core spacer, and gas flows to the flow dividing module 3 through the small holes 111; the adoption of a plurality of valve core spacer blocks 11 has simple structure and is convenient to realize

Further, as shown in fig. 1 to 3, in this embodiment, a first sealing ring 13 is provided on the outer side of the valve element spacer, and the first sealing ring 13 is an outer O-ring for sealing between the valve element spacer and the valve body 4, so that the sealing is tighter.

Further, as shown in fig. 1 to 3, in this embodiment, a second sealing ring 12 is provided on the inner side of the valve core spacer, and the second sealing ring 12 is an inner O-ring for sealing between the valve core spacer and the other end of the movable core module 2, so that the sealing is tighter.

Further, as shown in fig. 1 to 3, in the present embodiment, the movable core module 2 includes: a housing 21, a core bar 22, and an elastic member 23; one end of the core rod 22 is inserted into the shell 21, the other end of the core rod 22 is inserted into the sealing module 1, and the reciprocating motion of the core rod 22 in the sealing module 1 can control the flow direction of gas entering the small holes 111; the shell 21 is connected with the electromagnetic coil 5, the electromagnetic coil 5 drives the core rod 22 to move through electromagnetic force, and the core rod 22 drives the elastic component 23 to stretch; one end of the elastic component 23 is connected with the shell 21, the other end is connected with the core bar 22, and when the electromagnetic coil 5 is powered off, the elastic component 23 contracts to drive the core bar 22 to reset.

Further, as shown in fig. 1 to 3, in this embodiment, the core 22 is provided with a plurality of annular protrusions 221, and the plurality of annular protrusions 221 are divided into: a first annular projection 2211 and a second annular projection 2212. The annular protrusions 221 can be tightly attached to the sealing module 1 through the second sealing ring 12, and the core rod 22 controls the small holes 111 into which the gas enters by driving the annular protrusions 2211, so that the flow direction of the gas is controlled; by changing the contact between the protrusion and the second sealing ring 12, the purpose of changing the air flow is achieved, and the structure is simple and convenient to realize.

Specifically, as shown in fig. 1 and 3, in the present embodiment, the shunt module 3 includes: the first shunt layer 31, the first shunt layer 31 is equipped with a plurality of shunt ports, and a plurality of shunt ports contain: the split-

flow ports

311, 312 and 313 are communicated with the inlet 6 through the sealing module 1, and the plurality of split-flow ports 311 split-flow the gas into a plurality of directions.

Further, as shown in fig. 1 to 3, in this embodiment, the shunt module 3 further includes: the second shunt layer 32, the second shunt layer 32 and the first shunt layer 31 are equally provided, and include: a split-flow port 321, a split-flow port 322, and a split-flow port 323, and are positioned at the lower part of the first split-flow layer 31; the electromagnetic coil 5 controls the small holes 111 into which the gas enters by driving the moving iron core module 2 to move in the valve body 4, thereby turning the flow direction of the gas to the second shunt layer 32.

In the embodiment of the utility model, the valve body 4 is rectangular or circular, one surface of the valve body 4 is provided with a flow inlet 6, the other 3 surfaces are respectively provided with two flow dividing openings, the flow inlet 6 and the flow dividing openings can be internal threads or external threads, 3 groups of valve core spacer blocks are arranged in the valve body 4, and each group of valve core spacer blocks is provided with 1 inner O-shaped ring and 1 outer O-shaped ring. The movable iron core module 2 is in threaded connection with the valve body 4, and the electromagnetic coil 5 is sleeved on the movable iron core module 2.

When the electromagnetic coil 5 is powered off, the core rod 22 is pressed down under the action of the elastic force of the elastic component 23, at this time, the second annular protrusion 2212 on the core rod 22 in the valve body 4 is tightly pressed against the second sealing ring 12 of the third valve core spacer 113, the first annular protrusion 2211 is separated from the second sealing ring 12 of the second valve core spacer 112, the first diversion layer is communicated with the inlet 6, the second diversion layer 32 is not communicated with the inlet 6, and gas is diverted through the first diversion layer; when the electromagnetic coil 5 is electrified, the electromagnetic force overcomes the elasticity of the elastic component 23 to lift the core rod 22 upwards, at this time, the second annular protrusion 2212 on the core rod 22 in the valve body 4 is separated from the second sealing ring 12 of the third valve core spacer 113, the first annular protrusion 2211 is pressed tightly with the second sealing ring 12 of the second valve core spacer 112, the first diversion layer is not communicated with the inlet 6, the second diversion layer 32 is communicated with the inlet 6, and the gas is diverted through the second diversion layer 32. This allows switching of the path between the first and second tapping layer 32.

In the above, the microminiature scavenging valve according to the embodiment of the utility model is described with reference to fig. 1 to 3, so that the quick replacement of the movable iron core can be realized, and the maintenance cost is reduced; and the function of switching one-way air inlet and multiple-way air outlet can be realized by only one electromagnetic valve.

It should be noted that in this specification the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising … …" does not exclude the presence of other like elements in a process, method, article or apparatus that comprises the element.

While the present utility model has been described in detail through the foregoing description of the preferred embodiment, it should be understood that the foregoing description is not to be considered as limiting the utility model. Many modifications and substitutions of the present utility model will become apparent to those of ordinary skill in the art upon reading the foregoing. Accordingly, the scope of the utility model should be limited only by the attached claims.

Claims

1. A miniature scavenging valve comprising: valve body and solenoid, be equipped with the inlet on the valve body, gas follow the inlet gets into, its characterized in that still contains:

the movable iron core module is connected with the electromagnetic coil at one end and the valve body at the other end, and the electromagnetic coil drives the movable iron core module to move in the valve body and is used for changing the flow direction of gas in the valve body;

the sealing module is sleeved at the other end of the movable iron core module, the other end of the movable iron core module is connected with the valve body through the sealing module, and the sealing module is used for sealing between the movable iron core module and the valve body;

and the flow distribution module is arranged on the valve body, and the flow inlet is communicated with the flow distribution module through the sealing module to distribute the gas entering the valve body.

2. The miniature gas exchange valve of claim 1, wherein said sealing module comprises: the valve core spacer blocks are hollow cylinders, the valve core spacer blocks are sequentially sleeved at the other end of the movable iron core module, the valve core spacer blocks are provided with a plurality of small holes, the small holes penetrate through the valve core spacer blocks, and the gas flows to the flow distribution module through the small holes.

3. The miniature gas exchange valve as set forth in claim 2 wherein a first seal ring is provided on the outside of said valve core spacer for sealing between said valve core spacer and said valve body.

4. A miniature gas exchange valve according to claim 3 wherein a second seal ring is provided on the inner side of the valve core spacer for sealing between the valve core spacer and the other end of the plunger module.

5. The miniature gas exchange valve as set forth in claim 4, wherein said plunger module comprises: the device comprises a shell, a core bar and an elastic component;

one end of the core rod is inserted into the shell, the other end of the core rod is inserted into the sealing module, and the reciprocating motion of the core rod in the sealing module can control the flow direction of the gas entering the small holes;

the shell is connected with the electromagnetic coil, the electromagnetic coil drives the core rod to move through electromagnetic force, and the core rod drives the elastic component to stretch;

one end of the elastic component is connected with the shell, the other end of the elastic component is connected with the core rod, and when the electromagnetic coil is powered off, the elastic component contracts to drive the core rod to reset.

6. The microminiature gas exchange valve according to claim 5, wherein a plurality of annular protrusions are provided on the core rod, the annular protrusions are tightly attached to the sealing module through the second sealing ring, and the core rod controls the small holes into which the gas enters by driving the annular protrusions, thereby controlling the flow direction of the gas.

7. The microminiature exchange valve of claim 2, wherein the flow splitting module comprises: the sealing module is arranged on the air inlet, and is used for sealing the air inlet.

8. The miniature gas exchange valve of claim 7, wherein said flow diversion module further comprises: the second diversion layer is arranged at the same level as the first diversion layer and is positioned at the lower part of the first diversion layer; the electromagnetic coil controls the small holes into which the gas enters by driving the movable iron core module to move in the valve body, so that the flow direction of the gas is changed to the second diversion layer.