CN217951309U - Three-way valve and air compressor applying same - Google Patents

Abstract

The utility model discloses a three-way valve and air compressor who uses thereof, this air compressor's air inlet and three-way valve intercommunication, the three-way valve includes that valve body, first jam mechanism and second block up the mechanism, wherein: the valve body is provided with a first channel, a second channel and a third channel, and the second channel and the third channel are communicated with the first channel; the first blocking mechanism and the second blocking mechanism are respectively arranged in the second channel and the third channel and are respectively used for controlling the communication and the closing of the second channel and the third channel. The utility model discloses in, the switching-over of the in-process that admits air and loses heart of air compressor is realized to the three-way valve that proposes and air compressor who uses, and it makes an uproar to fall provides convenience to lose heart in-process noise at the air inlet for later stage air compressor.

Description

Three-way valve and air compressor applying same

Technical Field

The utility model relates to the technical field of valves, especially, relate to a three-way valve and air compressor who uses thereof.

Background

Air compressor admits air from the air inlet in the course of the work, also loses heart through the air inlet when the pressure release, and then leads to it to admit air and lose heart all to go on through a pipeline of being connected with the air inlet, and can produce great noise at the air inlet at the in-process of losing heart, it is the necessary technology of noise reduction of amortization when realizing losing heart to commutate the air inlet of air compressor, does not have the scheme of losing heart and the switching-over of admitting air to air compressor among the prior art.

SUMMERY OF THE UTILITY MODEL

For the technical problem who exists among the solution background art, the utility model provides an air compressor of three-way valve and use thereof.

The utility model provides a three-way valve and air compressor who uses thereof, block up the mechanism including valve body, first jam mechanism and second, wherein:

the valve body is provided with a first channel, a second channel and a third channel, and the second channel and the third channel are communicated with the first channel;

the first blocking mechanism and the second blocking mechanism are respectively arranged in the second channel and the third channel and are respectively used for controlling the communication and the closing of the second channel and the third channel.

As a further optimized solution of the present invention, when the second channel is communicated with the first channel, the third channel is closed;

when the third channel is communicated with the first channel, the second channel is closed;

when the second channel and the third channel are respectively communicated with the first channel, the flow direction of the medium in the first channel is opposite, and then the medium in the first channel is effectively shunted.

As a further optimized scheme of the utility model, the second channel is internally provided with an annular step which divides the second channel into a first air inlet channel and a second air inlet channel, the first air inlet channel is communicated with the second air inlet channel, and the second air inlet channel is directly communicated with the first channel;

the first blocking mechanism comprises a first transition joint and a first elastic valve core group, the first transition joint is installed at one end, far away from the second air inlet channel, of the first air inlet channel, the first transition joint is provided with an air inlet through hole, the air inlet through hole is communicated with the second channel, the first elastic valve core group is installed in the first air inlet channel in a sliding mode along the length direction of the second channel, the first elastic valve core group is located between the annular ladder and the first transition joint and used for controlling the communication and the closing of the air inlet through hole and the second air inlet channel, and then the first transition joint is adjusted to enable the first elastic valve core group to close the second air inlet channel or open the second air inlet channel to enable the air inlet channel to be communicated with or closed with the air inlet through hole.

As the utility model discloses further optimized scheme, first elasticity case group includes first case and first elastic component, first case slidable mounting is in first inlet channel, first elastic component is installed between first case and annular ladder, first elastic component is the spring in some embodiments, and there is certain clearance at the in-process air current of admitting air to making between first case and the first transition joint a power, and because there is certain clearance between the effect messenger first case of first elastic component and the annular ladder, and then be convenient for gaseous inlet hole through first transition joint gets into in the first passageway through first inlet channel and second inlet channel.

As the utility model discloses the scheme of further optimization, the one end external diameter that first case is relative with second inlet channel is greater than the second inlet channel internal diameter, and then makes first transition joint conflict case when adjusting first transition joint, guarantees closing of case to second inlet channel.

As a further optimized scheme of the utility model, the third channel has an air-leakage step ring, the air-leakage step ring divides the third channel into a first air-leakage channel and a second air-leakage channel, the first air-leakage channel is communicated with the second air-leakage channel, and the second air-leakage channel is directly communicated with the first channel;

the second blocks up the mechanism and includes second transition joint and second elasticity case group, second elasticity case group is along the length direction slidable mounting of first disappointing passageway at first disappointing passageway, second elasticity case group is used for controlling the first passageway of disappointing and the second of disappointing the intercommunication of passageway and closing of passageway, second transition joint installs the one end of keeping away from the second of the passageway of disappointing at first disappointing, it has the through-hole of disappointing to open on the second transition joint, the through-hole of disappointing communicates with the first passageway of disappointing, and second transition joint is used for spacing second elasticity case group.

As the utility model discloses the scheme of further optimizing, second elasticity case group includes second case and second elastic component, and second case slidable mounting is in first disappointing passageway, and the second elastic component is installed between second case and second transition joint.

As a further optimized scheme of the utility model, the one end external diameter that the second case is relative with second transition joint is greater than the internal diameter of disappointing through-hole.

An air compressor comprises the three-way valve, and an air inlet of the air compressor is communicated with the first channel through a pipeline.

As a further optimized proposal of the utility model, when the air compressor enters air, the first channel is communicated with the second channel and the third channel is closed;

when the air compressor loses air, the first channel is communicated with the third channel, and the second channel is closed.

In some embodiments, a silencer can be connected to the third channel, and the silencer can be a silencer of a tail pipe of an automobile or a motorcycle in the prior art.

The utility model discloses in, the switching-over of the in-process that the air compressor was admitted air and is lost heart is realized to the three-way valve that provides and the air compressor who uses thereof, and it makes an uproar to fall provides facility for later stage air compressor loses heart in-process noise reduction at the air inlet.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

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

FIG. 2 is a schematic view of the structure of the air flow direction of the air compressor in the air intake process of the present invention;

fig. 3 is the gas flow direction structure schematic diagram of the air compressor in the air leakage process of the present invention.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar designations denote like or similar elements or elements having like or similar functionality throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

It will be understood that the terms "central," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in an orientation or positional relationship indicated in the drawings for convenience and simplicity of description only, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be interconnected within two elements or in a relationship where two elements interact with each other unless otherwise specifically limited. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, a first feature "on" or "under" a second feature may be directly contacting the second feature or the first and second features may be indirectly contacting the second feature through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature "under," "beneath," and "under" a second feature may be directly under or obliquely under the second feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

A three-way valve as shown in fig. 1 comprises a valve body 1, a first blocking mechanism 2 and a second blocking mechanism 3, wherein:

the valve body 1 is provided with a first channel 10, a second channel 11 and a third channel 12, and the second channel 11 and the third channel 12 are communicated with the first channel 10;

the first blocking mechanism 2 and the second blocking mechanism 3 are respectively arranged in the second channel 11 and the third channel 12, and the first blocking mechanism 2 and the second blocking mechanism 3 are respectively used for controlling the communication and the closing of the second channel 11 and the third channel 12.

When the second channel 11 is communicated with the first channel 10, the third channel 12 is closed;

when the third passage 12 communicates with the first passage 10, the second passage 11 is closed;

when the second channel 11 and the third channel 12 are respectively communicated with the first channel 10, the flow direction of the medium in the first channel 10 is opposite, and the medium in the first channel 10 is effectively shunted;

specifically, an annular step 110 is arranged in the second passage 11, the annular step 110 divides the second passage 11 into a first air inlet passage 111 and a second air inlet passage 112, the first air inlet passage 111 and the second air inlet passage 112 are communicated with each other, the second air inlet passage 112 is directly communicated with the first passage 10, and the inner diameter of the first air inlet passage 111 is larger than that of the second air inlet passage 112;

the first blocking mechanism 2 comprises a first transition joint 20 and a first elastic valve core group, the first transition joint 20 is installed at one end, far away from the second air inlet channel 112, of the first air inlet channel 111 in a threaded mode, the first transition joint 20 is provided with an air inlet through hole 200, the air inlet through hole 200 is communicated with the second channel 11, the first elastic valve core group is installed in the first air inlet channel 111 in a sliding mode along the length direction of the second channel 11, the first elastic valve core group is located between the annular step 110 and the first transition joint 20, the first elastic valve core group is used for controlling the communication and closing of the air inlet through hole 200 and the second air inlet channel 112, and further the first elastic valve core group is used for closing the second air inlet channel 112 or opening the second air inlet channel 112 by adjusting the first transition joint 20, so that the second air inlet channel 112 is communicated with or closed with the air inlet through hole 200;

specifically, the first elastic valve core set includes a first valve core 21 and a first elastic member 22, the first valve core 21 is slidably installed in the first air intake channel 111, the first valve core 21 is slidably installed along the length direction of the first air intake channel 111, the first elastic member 22 is installed between the first valve core 21 and the annular step 110, the first elastic member 22 is a spring, the first elastic member 22 can elastically deform along the sliding direction of the first valve core 21, and in the air intake process, the air flow exerts a force on the first valve core 21 to make a certain gap exist between the first valve core 21 and the first transition joint 20, and due to the effect of the first elastic member 22, a certain gap exists between the first valve core 21 and the annular step 110, so that the air can enter the first channel 10 through the air intake through hole 200 of the first transition joint 20 through the first air intake channel 111 and the second air intake channel 112;

the first valve core 21 is a T-shaped column, namely the first valve core 21 is provided with a large-diameter part and a small-diameter part which are coaxial, the outer diameter of the large-diameter part is larger than that of the small-diameter part, and a part formed by connecting the large-diameter part and the small-diameter part forms a separation surface;

the outer diameter of one end of the first valve core 21 opposite to the second air inlet channel 112 is larger than the inner diameter of the second air inlet channel 112, so that the first transition joint 20 is abutted against the first valve core 21 when the first transition joint 20 is adjusted, and the valve core is ensured to close the second air inlet channel 112; the outer diameter of one end of the first valve core 21 opposite to the air inlet through hole 200 of the first transition joint 20 is larger than the aperture of the air inlet through hole 200;

the third channel 12 is provided with a gas release stepped ring 120, the gas release stepped ring 120 divides the third channel 12 into a first gas release channel 121 and a second gas release channel 122, the first gas release channel 121 is communicated with the second gas release channel 122, the second gas release channel 122 is directly communicated with the first channel 10, and the inner diameter of the first gas release channel 121 is larger than that of the second gas release channel 122;

the second blocking mechanism 3 includes a second transition joint 30 and a second elastic valve core set, the second elastic valve core set is slidably mounted in the first air release channel 121 along the length direction of the first air release channel 121, the second elastic valve core set is used for controlling the communication and closing of the first air release channel 121 and the second air release channel 122, the second transition joint 30 is mounted at one end of the first air release channel 121 far away from the second air release channel 122 in a threaded manner, an air release through hole 300 is formed in the second transition joint 30, the air release through hole 300 is communicated with the first air release channel 121, and the second transition joint 30 is used for limiting the second elastic valve core set;

the second elastic valve core set comprises a second valve core 31 and a second elastic element 32, the second valve core 31 is slidably installed in the first air release channel 121 along the length direction of the first air release channel, the second elastic element 32 is installed between the second valve core 31 and the second transition joint 30, the second elastic element 32 can be elastically deformed along the sliding direction of the second valve core 31, the second elastic element 32 is a spring, in order to facilitate the installation of the spring, the second valve core 31 is a T-shaped column, that is, the outer diameter of one end of the second valve core 31 is larger than the outer diameter of the other end of the second valve core 31, and the second valve core 31 has a separation surface which separates the second valve core 31 into two parts with different outer diameters;

specifically, the inner diameter of the venting through hole 300 of the second transition joint 30 is smaller than the outer diameter of the second valve core 31 at the opposite end to the second transition joint 30, and the outer diameter of the second valve core 31 at the opposite end to the second venting channel 122 is larger than the inner diameter of the second venting channel 122.

In the working process of the embodiment: when the first passage 10 needs to be communicated with the second passage 11, the second transition joint is rotated to enable the second transition joint 30 to abut against the second elastic member 32 and indirectly abut against the second valve core 31 to enable one end of the second valve core 31 to abut against the air release stepped ring 120 so as to close the second air release passage 122, preferably, at this time, the second transition joint 30 contacts with the other end of the second valve core 31 to increase the sealing performance, the first transition joint 20 is rotated to enable the first transition joint 20 to move in the direction away from the first valve core 21, so that the first valve core 21 is spaced from the annular step 110, and the second air inlet passage 112 is communicated with the first air inlet passage 111, so that for convenience of air inlet, the first elastic member 22 is in a non-compression state, at this time, air is blown into the air inlet through hole 200, and the air exerts a certain force on the first valve core 21 so that a certain gap is formed between the first valve core 21 and the first transition joint 20, and then the air enters the first air inlet passage 111 and enters the second air inlet passage 112 so as to enter the first passage 10;

when the third channel 12 needs to be communicated with the first channel 10, the first transition joint is rotated to enable the first transition joint 20 to abut against the first valve core 21, the first valve core 21 abuts against the first elastic piece 22 and the first valve core 21 abuts against the annular step 110, and therefore the first valve core 21 seals the second air inlet channel 112; and the second transition joint 30 is rotated to make the second transition joint move towards the direction far away from the second valve core 31, so that the second transition joint 30 has a certain distance with the second valve core 31, at this time, the second elastic element 32 can be in a stretching state or a non-compression and non-stretching state, so that the first air release channel 121 is communicated with the air release through hole 300, when the gas in the first channel 10 is blown into the second air release channel 122, a certain force is applied to the second valve core 31 to make the second valve core 31 and the air release stepped ring 120 have a certain distance, so that the second air release channel 122 is communicated with the first air release channel 121, and because the second elastic element 32 is positioned between the second transition joint 30 and the second valve core 31, the air release through hole 300 is communicated with the first air release channel 121.

An air compressor comprises the three-way valve, the air inlet of the three-way valve is communicated with the first channel 10 of the three-way valve through a pipeline, the air inlet pipeline can be communicated with the air inlet through hole 200 of the first transition joint 20, and a silencer (the silencer can be a silencer of a tail pipe of an automobile or a motorcycle in the prior art) is connected with the second transition joint 30;

as shown in fig. 2, when the first passage 10 needs to be communicated with the second passage 11, the second transition joint is rotated to make the second transition joint 30 abut against the second elastic member 32 and indirectly abut against the second valve core 31, so that one end of the second valve core 31 abuts against the air release stepped ring 120 to close the second air release passage 122, preferably, at this time, the second transition joint 30 contacts with the other end of the second valve core 31 to increase the sealing performance, and the first transition joint 20 is rotated to make the first transition joint 20 move in the direction away from the first valve core 21, so that the first valve core 21 has a certain distance from the annular step 110, so that the second air inlet passage 112 is communicated with the first air inlet passage 111, at this time, air is blown into the air inlet through hole 200, and a certain force is applied to the first valve core 21 to make a certain gap exist between the first valve core 21 and the first transition joint 20, so that the air enters the first air inlet passage 111 and enters the second air inlet passage 112, so as to enter the first passage 10;

as shown in fig. 3, when the third passage 12 needs to be communicated with the first passage 10, the first transition joint is rotated to enable the first transition joint 20 to abut against the first valve core 21, so that the first valve core 21 abuts against the first elastic element 22 and the first valve core 21 abuts against the annular step 110, and further, the first valve core 21 closes the second air inlet passage 112; and rotate the second transition joint 30 to make the second transition joint move towards the direction far away from the second valve core 31, and then make the second transition joint 30 have a certain distance with the second valve core 31, at this moment the second elastic component 32 can be in the tensile state or in the non-compression and non-tensile state, and then make the first air-release passage 121 communicate with the air-release through hole 300, when the gas in the first passage 10 is blown into the second air-release passage 122, a certain force is applied to the second valve core 31, make the second valve core 31 and the air-release stepped ring 120 have a certain distance, make and then make the second air-release passage 122 communicate with the first air-release passage 121, because the second elastic component 32 is located between second transition joint 30 and the second valve core 31, make the air-release through hole 300 communicate with the first air-release passage 121.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (10)

1. A three-way valve comprising a valve body, a first blocking mechanism and a second blocking mechanism, wherein:

the valve body is provided with a first channel, a second channel and a third channel, and the second channel and the third channel are communicated with the first channel;

the first blocking mechanism and the second blocking mechanism are respectively arranged in the second channel and the third channel and are respectively used for controlling the communication and the closing of the second channel and the third channel.

2. A three-way valve according to claim 1, characterized in that the third passage is closed when the second passage is in communication with the first passage;

when the third passage is communicated with the first passage, the second passage is closed.

3. The three-way valve according to claim 1, characterized in that the second passage has an annular step therein, the annular step dividing the second passage into a first intake passage and a second intake passage, the first intake passage and the second intake passage communicating, and the second intake passage communicating directly with the first passage;

the first blocking mechanism comprises a first transition joint and a first elastic valve core group, the first transition joint is installed at one end, far away from the second air inlet channel, of the first air inlet channel, the first transition joint is provided with an air inlet through hole, the air inlet through hole is communicated with the second channel, the first elastic valve core group is installed in the first air inlet channel in a sliding mode along the length direction of the second channel, the first elastic valve core group is located between the annular ladder and the first transition joint, and the first elastic valve core group is used for controlling the communication and the closing of the air inlet through hole and the second air inlet channel.

4. A three-way valve according to claim 3, characterized in that the first set of resilient spools comprises a first spool slidably mounted in the first inlet channel and a first resilient member mounted between the first spool and the annular step.

5. The three-way valve according to claim 3, wherein an outer diameter of an end of the first spool opposite to the second intake passage is larger than an inner diameter of the second intake passage.

6. The three-way valve according to claim 1, characterized in that the third passage has a bleed stepped ring that divides the third passage into a first bleed passage and a second bleed passage, the first bleed passage and the second bleed passage communicating, and the second bleed passage communicating directly with the first passage;

the second blocks up the mechanism and includes second transition joint and second elasticity case group, the second elasticity case group is along the length direction slidable mounting of first passageway of disappointing at first passageway of disappointing, the second elasticity case group is used for controlling the first passageway of disappointing and the second passageway of disappointing's of disappointing intercommunication and closing, the one end that the second channel of disappointing was kept away from to the first passageway of disappointing is installed to the second transition joint, it has the hole of disappointing to open on the second transition joint, the hole of disappointing communicates with first passageway of disappointing, and the second transition joint is used for spacing to second elasticity case group.

7. The three-way valve according to claim 6, wherein the second resilient spool set includes a second spool slidably mounted in the first bleed passage and a second resilient member mounted between the second spool and the second transition joint.

8. The three-way valve according to claim 6, characterized in that the outer diameter of the second spool at the end opposite to the second transition joint is larger than the inner diameter of the bleed hole.

9. An air compressor comprising a three-way valve according to any one of claims 1 to 6, wherein an air inlet of the air compressor is communicated with the first passage through a pipe.

10. The air compressor of claim 9, wherein when the air compressor is supplying air, the first and second passages are in communication and the third passage is closed;

when the air compressor loses air, the first channel is communicated with the third channel, and the second channel is closed.

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