CN213871218U - Temperature control valve of air compressor - Google Patents
Temperature control valve of air compressor Download PDFInfo
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- CN213871218U CN213871218U CN202021793464.XU CN202021793464U CN213871218U CN 213871218 U CN213871218 U CN 213871218U CN 202021793464 U CN202021793464 U CN 202021793464U CN 213871218 U CN213871218 U CN 213871218U
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- air compressor
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Abstract
The utility model discloses a temperature control valve of an air compressor, which comprises a valve body, a valve cover and a temperature sensing valve core, a valve cavity for accommodating the temperature sensing valve core is formed between the valve body and the valve cover, a liquid inlet, a first outlet and a second outlet which are respectively communicated with the valve cavity are arranged on the valve body, a valve port is arranged between the first outlet and the valve cavity, the temperature sensing valve core is matched with the valve port in an opening and closing way, one end of the temperature sensing valve core is provided with a spring which always has the tendency of enabling the temperature sensing valve core to open the valve port and enables a temperature sensing bulb on the temperature sensing valve core to abut against the side wall of the valve cavity, a mixing cavity is also arranged in the valve body, the first outlet is communicated with the mixing cavity through a first channel, the valve body is provided with a liquid outlet communicated with the mixing cavity, and the second outlet is connected with the mixing cavity through a cooling system. The utility model discloses possess simple structure compactness, response sensitivity and the accurate advantage of control.
Description
Technical Field
The utility model relates to an air compressor machine technical field, in particular to air compressor machine temperature-sensing valve.
Background
The air compressor is a main body of an air source in work, can convert mechanical energy of a motor into gas pressure energy, is a device for changing air pressure of compressed air, and is widely applied to various industries. The air inlet valve is a core part for adjusting the air quantity of the piston type air compressor, is particularly critical in a matching set of the piston type air compressor, and directly influences the overall performance of the screw compressor. The temperature control valve is used as an important part of the air compressor, can ensure that oil liquid is led to a cooling system under the condition of high temperature, and is closed under the condition of low temperature, so that the condition that the temperature of the air compressor is too low to reach the optimal state is avoided.
The existing temperature control valve has the defects of complex structure, slow reaction speed, variable working conditions of the air compressor, frequent high-temperature fault shutdown due to high temperature, easy emulsification and deterioration of oil liquid in the system, and easy generation of condensed water in the system due to low temperature, damage to a main machine of the air compressor and shortened service life of the air compressor.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to prior art's defect and not enough, provide an air compressor machine temperature control valve, possess simple structure compactness, response sensitivity and the accurate advantage of control.
The utility model provides a technical scheme that its technical problem adopted is: a temperature control valve for an air compressor comprises a valve body, a valve cover and a temperature sensing valve core, wherein a valve cavity for accommodating the temperature sensing valve core is formed between the valve body and the valve cover, a liquid inlet, a first outlet and a second outlet which are respectively communicated with the valve cavity are formed in the valve body, a valve port is arranged between the first outlet and the valve cavity, the temperature sensing valve core is matched with the valve port in an opening and closing mode, a spring is arranged at one end of the temperature sensing valve core, the spring always has the tendency that the temperature sensing valve core opens the valve port, a temperature sensing bag on the temperature sensing valve core is abutted to the side wall of the valve cavity, a mixing cavity is further arranged in the valve body, the first outlet is communicated with the mixing cavity through a first channel, a liquid outlet communicated with the mixing cavity is formed in the valve body, and the second outlet is connected with the mixing cavity through a cooling system.
Furthermore, an annular boss matched with the temperature sensing valve core in a sleeved mode is arranged in the valve cover; the installation of the temperature sensing valve core is convenient, a certain guiding effect is played to the temperature sensing valve core, and the sealing performance of the valve port is improved.
Further, the valve cover is arranged on the valve body through a clamp spring; the valve cover is convenient to install.
Furthermore, an O-shaped ring is arranged at the joint of the valve cover and the valve body; the sealing performance is improved, and the valve cavity is prevented from leaking oil.
Furthermore, the temperature sensing valve core is cylindrical, so that the temperature sensing bulb is better contacted with the oil, the temperature of the oil is sensed, the reaction speed is increased, and the reaction is sensitive; the side wall of the temperature sensing valve core is provided with a valve hole matched with the valve port, so that the temperature sensing valve core is convenient to be matched with the valve port, and the control precision is improved.
Further, a connector communicated with the mixing cavity is mounted on the valve body; the connection is convenient.
Furthermore, a connecting hole is formed in the valve body, one end of the connecting hole is communicated with the cooling system, and the other end of the connecting hole is communicated with the connector through a second channel; the structure is simpler and more compact, and the connection is convenient.
Furthermore, a filter element is arranged in the connector; the cleanliness of fluid is guaranteed, and impurity is avoided getting into the air compressor machine and damaging equipment, increase of service life.
The utility model has the advantages that: a mixing cavity is further arranged in the valve body, the first outlet is communicated with the mixing cavity through a first channel, a liquid outlet communicated with the mixing cavity is arranged on the valve body, and the second outlet is connected with the mixing cavity through a cooling system; when the temperature of the oil is normal, the temperature sensing valve core is under the action of the spring, the first outlet is in an open state, the oil flows to the valve cavity from the liquid inlet, passes through the first outlet and flows to the mixing cavity through the first channel, and the temperature of the oil from the liquid outlet is kept in a normal range; when the temperature of the oil rises and reaches the temperature sensed by the temperature sensing bulb, the temperature sensing bulb stretches out to enable the temperature sensing valve core to act and overcome the elasticity of the spring, so that the first outlet is closed, the oil flows to the valve cavity from the liquid inlet, flows to the mixing cavity through the second outlet, the cooling system, the connecting hole and the second channel, and the temperature of the oil is reduced to return to the normal range; the first outlet is quickly closed through the temperature sensing valve core, so that the oil returns to the air compressor through the cooling system until the temperature is reduced to normal temperature, the first outlet is opened again under the action of the spring, the first outlet is ensured to be quickly opened and closed, the response is sensitive, and the temperature is accurately controlled within a normal range; generally, the utility model discloses possess simple structure compactness, response sensitivity and the accurate advantage of control.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is an exploded schematic view of the present invention.
Fig. 3 is a schematic view of the present invention cut along the horizontal direction.
Fig. 4 is a schematic view of the present invention cut along the vertical direction.
Fig. 5 is a schematic view of the present invention cut along another vertical direction.
Shown in the figure: 1-a valve body; 1.1-valve cavity; 1.2-liquid inlet; 1.3-a first outlet; 1.4-a second outlet; 1.5-valve port; 1.6-mixing chamber; 1.7-liquid outlet; 1.8-connecting hole; 2-valve cover; 2.1-annular boss; 3-temperature sensing valve core; 3.1-valve orifice; 3.2-bypass orifice; 4-a spring; 5-a clamp spring; 6-O-shaped ring; 7-connecting head.
Detailed Description
For a more intuitive and complete understanding of the technical solution of the present invention, the following non-limiting characteristic description is now performed by combining the drawings of the present invention:
as shown in fig. 1 to 5, a temperature control valve for an air compressor includes a valve body 1, a valve cover 2 and a temperature sensing valve core 3, wherein a valve cavity 1.1 for accommodating the temperature sensing valve core 3 is formed between the valve body 1 and the valve cover 2, the valve body 1 is provided with a liquid inlet 1.2, a first outlet 1.3 and a second outlet 1.4 which are respectively communicated with the valve cavity 1.1, a valve port 1.5 is arranged between the first outlet 1.3 and the valve cavity 1.1, the temperature sensing valve core 3 is in open-close fit with the valve port 1.5, one end of the temperature sensing valve core 3 is provided with a spring 4, the spring 4 always has a tendency of enabling the temperature sensing valve core 3 to open the valve port 1.5 and enables a temperature sensing bag on the temperature sensing valve core 3 to abut against a side wall of the valve cavity 1.1, the valve body 1 is further provided with a mixing cavity 1.6, the first outlet 1.3 is communicated with the mixing cavity 1.6 through a first channel, the valve body 1 is provided with a liquid outlet 1.7 communicated with the mixing cavity 1.6, and the second outlet 1.4 is connected with the mixing cavity 1.6 through a cooling system.
An annular boss 2.1 which is in sleeve fit with the temperature sensing valve core 3 is arranged in the valve cover 2, and the temperature sensing bulb is accommodated in the annular boss 2.1 and is abutted and matched with the bottom surface of the valve cover 2; the valve cover 2 is provided with an annular groove for installing the O-shaped ring 6, and the clamp spring 5 for passing the hole on the valve cover 2 is limited on the valve body 1.
The temperature sensing valve core 3 is cylindrical, and a valve hole 3.1 matched with the valve port 1.5 is formed in the side wall of the temperature sensing valve core 3; specifically, the bottom of the cylindrical temperature sensing valve core 3 is in sleeve joint with the annular boss 2.1, and the spring 4 is arranged in the temperature sensing valve core 3.
Specifically, as shown in fig. 3 and 4, a bypass hole 3.2 is further formed in the side wall of the temperature sensing valve element 3; the temperature sensing valve core 3 is in sliding fit with the valve port 1.5, the valve port 1.5 is matched with the temperature sensing valve core 3 to divide the valve cavity 1.1 into two chambers, the first outlet 1.3 is communicated with one side chamber, and the second outlet 1.4 and the liquid inlet 1.2 are respectively communicated with the other chamber; under the normal condition, under the action of the spring 4, the valve hole 3.1 and the bypass hole 3.2 are positioned at two sides of the valve port 1.5, and the liquid inlet 1.2 is communicated with the first outlet 1.3 through the valve hole 3.1 and communicated with the second outlet 1.4 through the bypass hole 3.2; when the temperature reaches a certain value and the temperature sensing valve core 3 is actuated to move in the direction far away from the valve cover 2 and overcome the elasticity of the spring 4, at the moment, the valve hole 3.1 and the bypass hole 3.2 are positioned at the same side of the valve port 1.5 and are close to the liquid inlet 1.2, the liquid inlet 1.2 is communicated with the second outlet 1.4 through the valve hole 3.1 and the bypass hole 3.2, and the first outlet 1.3 is closed.
The valve body 1 is provided with a connector 7 communicated with the mixing cavity 1.6; a connecting hole 1.8 is formed in the valve body 1, one end of the connecting hole 1.8 is communicated with a cooling system, and the other end of the connecting hole 1.8 is communicated with a connector 7 through a second channel; preferably, a filter element is arranged in the connecting head 7.
Preferably, the first passage and the second passage are pipes for connecting oil.
The utility model discloses a concrete theory of operation as follows: normally, an inlet of the cooling system is connected with the second outlet 1.4, an outlet of the cooling system is connected with one end of the connecting hole 1.8, an outlet of the air compressor is communicated with the liquid inlet 1.2, and an inlet of the air compressor is communicated with the liquid outlet 1.7; when the air compressor normally works and the temperature of oil is normal, most of the oil flows to the valve cavity 1.1 from the liquid inlet 1.2 through the temperature sensing valve core 3 inner cavity and flows to the first outlet 1.3 through the valve hole 3.1 under the action of the spring 4, the first outlet 1.3 flows to the mixing cavity 1.6 through the first channel, and a small part of the oil flows to the valve cavity 1.1 and flows to the second outlet 1.3 through the bypass hole 3.2, and then flows to the mixing cavity 1.6 through the cooling system, the connecting hole 1.8 and the second channel, so that the temperature of the oil returning to the air compressor from the liquid outlet 1.7 is kept in a normal range; when the air compressor operates efficiently, the temperature of oil rises and reaches the temperature sensed by the temperature sensing bulb, the temperature sensing bulb stretches out to enable the temperature sensing valve core 3 to act and overcome the elasticity of the spring 4, the first outlet 1.4 is closed, the oil flows to the valve cavity 1.1 from the liquid inlet 1.2, flows to the second outlet 1.4 through the valve hole 3.1 and the bypass hole 3.2 through the inner cavity of the temperature sensing valve core 3, flows to the mixing cavity 1.6 through the cooling system, the connecting hole 1.8 and the second channel to reduce the temperature of the oil, returns to the air compressor from the liquid outlet 1.7, returns to the temperature sensing valve and circulates for many times until the temperature of the oil is reduced to a normal range, the temperature sensing bulb retracts, the first outlet 1.4 is opened again through the elasticity of the spring 4, and the circulation is repeated so that the temperature of the oil is kept in the normal range.
The above is only the preferred embodiment of the present invention, so all the equivalent changes or modifications made by the structure, features and principles in accordance with the claims of the present invention are included in the claims of the present invention.
Claims (8)
1. The utility model provides an air compressor machine temperature-sensing valve, includes valve body (1), valve gap (2) and temperature sensing case (3), be formed with valve pocket (1.1) of holding temperature sensing case (3) between valve body (1) and valve gap (2), set up inlet (1.2), first export (1.3) and second export (1.4) respectively with valve pocket (1.1) intercommunication on valve body (1), be equipped with valve port (1.5) between first export (1.3) and valve pocket (1.1), temperature sensing case (3) with valve port (1.5) open and close the cooperation, the one end of temperature sensing case (3) is equipped with spring (4), spring (4) have all the time and make temperature sensing case (3) open the trend of valve port (1.5) and make the temperature sensing package on temperature sensing case (3) support to the lateral wall of valve pocket (1.1), its characterized in that: still be equipped with mixing chamber (1.6) in valve body (1), first export (1.3) through first passageway with mixing chamber (1.6) intercommunication, be equipped with on valve body (1) with liquid outlet (1.7) of mixing chamber (1.6) intercommunication, second export (1.4) with link through cooling system between mixing chamber (1.6).
2. The air compressor temperature control valve of claim 1, characterized in that: an annular boss (2.1) which is in sleeve joint with the temperature sensing valve core (3) is arranged in the valve cover (2).
3. The air compressor temperature control valve of claim 2, characterized in that: the valve cover (2) is installed on the valve body (1) through a clamp spring (5).
4. The air compressor temperature control valve of claim 3, characterized in that: and an O-shaped ring (6) is arranged at the joint of the valve cover (2) and the valve body (1).
5. The air compressor temperature control valve of claim 2, characterized in that: the temperature sensing valve core (3) is cylindrical, and a valve hole (3.1) matched with the valve port (1.5) is formed in the side wall of the temperature sensing valve core (3).
6. The air compressor temperature control valve of claim 1, characterized in that: and the valve body (1) is provided with a connector (7) communicated with the mixing cavity (1.6).
7. The air compressor temperature control valve of claim 6, characterized in that: the valve body (1) is provided with a connecting hole (1.8), one end of the connecting hole (1.8) is communicated with the cooling system, and the other end of the connecting hole (1.8) is communicated with the connector (7) through a second channel.
8. The air compressor temperature control valve of claim 7, characterized in that: a filter element is arranged in the connector (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021793464.XU CN213871218U (en) | 2020-08-25 | 2020-08-25 | Temperature control valve of air compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021793464.XU CN213871218U (en) | 2020-08-25 | 2020-08-25 | Temperature control valve of air compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213871218U true CN213871218U (en) | 2021-08-03 |
Family
ID=77047050
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021793464.XU Active CN213871218U (en) | 2020-08-25 | 2020-08-25 | Temperature control valve of air compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213871218U (en) |
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2020
- 2020-08-25 CN CN202021793464.XU patent/CN213871218U/en active Active
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