CN110206775B - Exhaust mechanism - Google Patents
Exhaust mechanism Download PDFInfo
- Publication number
- CN110206775B CN110206775B CN201910576301.1A CN201910576301A CN110206775B CN 110206775 B CN110206775 B CN 110206775B CN 201910576301 A CN201910576301 A CN 201910576301A CN 110206775 B CN110206775 B CN 110206775B
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- Prior art keywords
- cavity
- valve core
- chamber
- sealing surface
- communicated
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Links
- 230000007246 mechanism Effects 0.000 title claims abstract description 20
- 238000007789 sealing Methods 0.000 claims abstract description 49
- 238000013016 damping Methods 0.000 claims abstract description 28
- 239000010720 hydraulic oil Substances 0.000 claims abstract description 14
- 230000013011 mating Effects 0.000 claims description 13
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- 238000013022 venting Methods 0.000 claims 3
- 239000003921 oil Substances 0.000 abstract description 5
- 230000000712 assembly Effects 0.000 abstract description 2
- 238000000429 assembly Methods 0.000 abstract description 2
- 230000009471 action Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/021—Valves for interconnecting the fluid chambers of an actuator
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/04—Special measures taken in connection with the properties of the fluid
- F15B21/044—Removal or measurement of undissolved gas, e.g. de-aeration, venting or bleeding
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Multiple-Way Valves (AREA)
- Exhaust Silencers (AREA)
Abstract
The invention relates to the technical field of engine assemblies, and particularly discloses an exhaust mechanism which comprises a shell, a valve core and an elastic piece. The valve core is provided with a first cavity, a second cavity, a third cavity and a fourth cavity which are sequentially communicated, the first cavity is used for being communicated with a low-pressure pipeline, the fourth cavity is used for being communicated with a high-pressure pipeline, the valve core is slidably arranged in the third cavity, a damping hole is formed in the valve core, the fourth cavity can be always communicated with the second cavity through the damping hole, the valve core is provided with a closing position abutted to the sealing surface and an opening position separated from the sealing surface, when the valve core is positioned at the closing position, the valve core is abutted to the sealing surface and separates the first cavity from the second cavity, when the valve core is positioned at the opening position, the valve core is separated from the sealing surface and is communicated with the first cavity and the second cavity, the elastic piece always has a trend of driving the valve core to move towards the opening position, and after the hydraulic oil in the high-pressure pipeline passes through the damping hole, the pressures at two ends of the valve core can be driven to move from the opening position to the closing position, and automatic exhaust and oil sealing are realized.
Description
Technical Field
The invention relates to the technical field of engine assemblies, in particular to an exhaust mechanism.
Background
The operation of the diesel engine is not separated from the normal operation of the hydraulic system, and usually before the operation of the diesel engine, each hydraulic pipeline and oil way of the main engine need to be flushed. The purpose of the flushing is on the one hand to carry out impurities that may remain, and on the other hand to discharge the air in the line. However, the hydraulic system of the diesel engine is quite complex, before the motor car is flushed, a part of pipelines and oil ways can not effectively circulate and exhaust air due to the blocking effect of the piston or the valve, so that a large amount of air filled in the cavity can not be effectively discharged, related hydraulic components can still not work normally after being driven for a long time, at the moment, operators are required to deflate some key positions (such as the pipelines connected with the piston or the valve) of the hydraulic system, and when the hydraulic system is operated, the operators are required to manually open the deflating screw through a tool, so that the efficiency is lower.
Disclosure of Invention
The invention aims at: the utility model provides an exhaust mechanism to solve the diesel engine in prior art and prepare the car, need the operating personnel to open the bleeder screw through the instrument and to deflate hydraulic system's pipeline, oil circuit, problem that the operating efficiency is low.
In one aspect, the present invention provides an exhaust mechanism comprising:
the device comprises a shell, wherein a first cavity, a second cavity, a third cavity and a fourth cavity which are communicated in sequence are arranged in the shell, the inner diameter of the first cavity and the inner diameter of the third cavity are smaller than the inner diameter of the second cavity, the inner diameter of the fourth cavity is smaller than the inner diameter of the third cavity, the inner wall of the second cavity is connected with the inner wall of the first cavity through a sealing surface, the first cavity is used for being communicated with a low-pressure pipeline, and the fourth cavity is used for being communicated with a high-pressure pipeline;
the valve core is slidably positioned in the third cavity, the outer surface of the valve core is matched with the inner surface of the third cavity, a damping hole is formed in the valve core, the fourth cavity can be always communicated with the second cavity through the damping hole, the valve core has a closing position abutting against the sealing surface and an opening position separated from the sealing surface, when the valve core is positioned in the closing position, the valve core abuts against the sealing surface and separates the first cavity from the second cavity, and when the valve core is positioned in the opening position, the valve core is separated from the sealing surface and the first cavity is communicated with the second cavity;
the elastic piece always has a trend of driving the valve core to move towards the opening position, and hydraulic oil in the high-pressure pipeline can drive the valve core to move from the opening position to the closing position after passing through the damping hole.
Preferably, the valve core is provided with a blind hole extending along the axial direction of the valve core, the blind hole can be always communicated with the fourth cavity, the damping hole is arranged on the side wall of the valve core, and the damping hole is communicated with the blind hole.
Preferably, the valve core comprises a first end and a second end along the axial direction of the valve core, the first end is provided with a matching surface, and when the valve core is positioned at the closed position, the matching surface is abutted with the sealing surface and separates the first cavity from the second cavity;
the inner wall of the third cavity is connected with the inner wall of the fourth cavity through a step surface, and when the valve core is positioned at the opening position, the second end is abutted with the step surface.
Preferably, the sealing surface is a conical surface, the large end of the conical surface is connected with the cavity wall of the second cavity, the small end of the conical surface is connected with the cavity wall of the first cavity, the matching surface is matched with the sealing surface, and when the valve core is located at the closing position, the matching surface is attached to the sealing surface.
Preferably, the sealing surface is a conical surface, a large end of the conical surface is connected with the cavity wall of the second cavity, a small end of the conical surface is connected with the cavity wall of the first cavity, the matching surface is a spherical surface, and when the valve core is located at the closing position, the matching surface is in contact with the sealing surface line.
Preferably, an elastic layer is disposed on the outer surface of the first end, and the mating surface is an outer surface of the elastic layer.
Preferably, the elastic element is a pressure spring, the first cavity comprises an A cavity and a B cavity, the aperture of the A cavity is smaller than that of the B cavity, the A cavity is communicated with a low-pressure pipeline, the B cavity is communicated with the second cavity, the cavity wall of the B cavity and the cavity wall of the A cavity are connected through a supporting surface, one end of the pressure spring is abutted to the supporting surface, and the other end of the pressure spring is abutted to the first end.
Preferably, the first end is provided with a boss, and the pressure spring is sleeved on the boss.
Preferably, the housing comprises a housing body and a base, the first cavity, the second cavity and the third cavity are all arranged in the housing body, the fourth cavity is arranged in the base, and the housing body is detachably connected with the base.
Preferably, the outer end of the base is provided with a straight groove or a cross groove.
The beneficial effects of the invention are as follows:
the invention provides an exhaust mechanism, which comprises a shell, a valve core and an elastic piece. The inner wall of the second cavity is connected with the inner wall of the first cavity through a sealing surface, the first cavity is used for communicating with a low-pressure pipeline, and the fourth cavity is used for communicating with a high-pressure pipeline. The valve core is located the third chamber in a sliding mode, the outer surface of the valve core is matched with the inner surface of the third chamber, a damping hole is formed in the valve core, the fourth chamber can be communicated with the second chamber all the time through the damping hole, the valve core is provided with a closing position in butt joint with the sealing surface and an opening position separated from the sealing surface, when the valve core is located the closing position, the valve core is in butt joint with the sealing surface and separates the first chamber from the second chamber, and when the valve core is located the opening position, the valve core is separated from the sealing surface and the first chamber is communicated with the second chamber. The elastic piece always has a trend of driving the valve core to move towards the opening position, and hydraulic oil in the high-pressure pipeline can drive the valve core to move from the opening position to the closing position after passing through the damping hole. When compressed air exists in the high-pressure pipeline, the air can directly enter the second cavity from the high-pressure pipeline through the fourth cavity and the damping hole due to low viscosity of the air, so that the air pressure of the valve core at two ends of the valve core in the axial direction is balanced, the valve core moves to an opening position under the elastic action of the elastic piece, the first cavity is communicated with the second cavity, and the air can be directly discharged into the low-pressure pipeline through the first cavity. When the hydraulic oil passes through the damping hole, a pressure difference is generated at two ends of the damping hole, the pressure of the hydraulic oil entering the second cavity is lower than that of the hydraulic oil in the fourth cavity, and the valve core is pushed to move from the opening position to the closing position, so that the valve core compresses the elastic piece and abuts against the sealing surface, the first cavity and the second cavity are separated, and the hydraulic oil is prevented from entering the low-pressure pipeline.
Drawings
FIG. 1 is a schematic diagram of an exhaust mechanism according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view of the exhaust mechanism of FIG. 1 taken along the direction A-A;
FIG. 3 is an exploded view of an exhaust mechanism in an embodiment of the invention;
fig. 4 is a schematic diagram of a second structure of the exhaust mechanism according to an embodiment of the present invention.
In the figure:
1. a housing;
11. a housing body; 111. a first chamber; 1111. a cavity B; 1112. a cavity A; 112. a second chamber; 113. a third chamber; 114. sealing surfaces;
12. a base; 121. a fourth chamber; 122. a step surface; 123. a straight slot;
2. a valve core; 21. a blind hole; 22. a damping hole; 23. a mating surface; 24. a boss;
3. an elastic member.
Detailed Description
The following description of the embodiments of the present invention will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first location" and "second location" are two distinct locations and wherein the first feature is "above," "over" and "over" the second feature includes the first feature being directly above and obliquely above the second feature, or simply indicates that the first feature is level above the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the invention.
As shown in fig. 1 to 4, the present embodiment provides an exhaust mechanism including a housing 1, a valve spool 2, and an elastic member. The shell 1 is internally provided with a first cavity 111, a second cavity 112, a third cavity 113 and a fourth cavity 121 which are sequentially communicated, the inner diameter of the first cavity 111 and the inner diameter of the third cavity 113 are smaller than the inner diameter of the second cavity 112, the inner diameter of the fourth cavity 121 is smaller than the inner diameter of the third cavity 113, the inner wall of the second cavity 112 is connected with the inner wall of the first cavity 111 through a sealing surface 114, the first cavity 111 is used for being communicated with a low-pressure pipeline, and the fourth cavity 121 is used for being communicated with a high-pressure pipeline. The valve core 2 is slidably located in the third cavity 113, the outer surface of the valve core 2 is matched with the inner surface of the third cavity 113, the valve core 2 is provided with a damping hole 22, the fourth cavity 121 can be always communicated with the second cavity 112 through the damping hole 22, the valve core 2 has a closing position abutting against the sealing surface 114 and an opening position separated from the sealing surface 114, when the valve core 2 is located at the closing position, the valve core 2 abuts against the sealing surface 114 and separates the first cavity 111 from the second cavity 112, and when the valve core 2 is located at the opening position, the valve core 2 is separated from the sealing surface 114 and the first cavity 111 is communicated with the second cavity 112. The elastic member always has a tendency to drive the valve core 2 to move to the open position, and hydraulic oil in the high-pressure pipeline can drive the valve core 2 to move from the open position to the closed position after passing through the damping hole 22.
When compressed air exists in the high-pressure pipeline, the air can directly enter the second cavity 112 from the high-pressure pipeline through the fourth cavity 121 and the damping hole 22 due to low viscosity of the air, so that the air pressure of the valve core 2 at two ends in the axial direction of the valve core is balanced, the valve core 2 moves to an opening position under the elastic action of the elastic piece, the first cavity 111 is communicated with the second cavity 112, and the air can directly enter the low-pressure pipeline through the first cavity 111, so that automatic exhaust is realized. When the hydraulic oil passes through the damping hole 22, a pressure difference is generated at both ends of the damping hole 22 by the hydraulic oil, the pressure of the hydraulic oil entering the second cavity 112 is lower than that of the hydraulic oil in the fourth cavity 121, and the valve core 2 is pushed to move from the open position to the closed position, so that the valve core 2 compresses the elastic piece and is abutted with the sealing surface 114, the first cavity 111 and the second cavity 112 are separated, the hydraulic oil is prevented from entering the low-pressure pipeline, and the exhaust mechanism can be automatically closed after the air is exhausted, and oil leakage is prevented.
In this embodiment, the valve element 2 includes a first end and a second end along the axial direction of the valve element 2, the second end is always located in the third chamber 113 when the valve element 2 moves between the open position and the closed position, and the first end is always located in the second chamber 112, that is, the first end of the valve element 2 protrudes out of the third chamber 113, and during the reciprocation of the valve element 2, the first end always protrudes out of the third chamber 113. It will be appreciated that an opening in the valve spool 2 where the orifice 22 communicates with the second chamber 112 is also provided at the first end.
Alternatively, the valve element 2 is provided with a blind hole 21 extending in the axial direction of the valve element 2, the blind hole 21 can be always communicated with the fourth cavity 121, the damping hole 22 is provided on the side wall of the valve element 2, and the damping hole 22 is communicated with the blind hole 21. In the present embodiment, the open end of the blind hole 21 is provided at the second end of the valve spool 2, so that the blind hole 21 communicates with the third chamber 113 and indirectly with the fourth chamber 121 during the reciprocation of the valve spool 2.
Optionally, the first end is provided with a mating surface 23, the mating surface 23 abutting the sealing surface 114 and separating the first and second chambers 111, 112 when the valve spool 2 is in the closed position; the inner wall of the third chamber 113 and the inner wall of the fourth chamber 121 are connected by a stepped surface 122, and the second end abuts against the stepped surface 122 when the spool 2 is in the open position. In this embodiment, the sealing surface 114 is a conical surface, the large end of the conical surface is connected with the cavity wall of the second cavity 112, the small end of the conical surface is connected with the cavity wall of the first cavity 111, the matching surface 23 is matched with the sealing surface 114, and when the valve core 2 is located at the closed position, the matching surface 23 is attached to the sealing surface 114. In other embodiments, the sealing surface 114 is a conical surface, but the mating surface 23 is a spherical surface, and when the valve element 2 is in the closed position, the mating surface 23 is in line contact with the sealing surface 114, and of course, the sealing surface 114 may be a spherical surface, and the mating surface 23 may be a conical surface, a flat surface, or the like. Preferably, the outer surface of the first end is provided with an elastic layer, and the mating surface 23 is the outer surface of the elastic layer. By the elastic layer abutting against the sealing surface 114, a sealing effect between the first chamber 111 and the second chamber 112 can be ensured.
Optionally, the elastic element is a compression spring, the first cavity 111 includes an a cavity 1112 and a B cavity 1111, the aperture of the a cavity 1112 is smaller than the aperture of the B cavity 1111, the a cavity 1112 is used for communicating with a low pressure pipeline, the B cavity 1111 is communicated with the second cavity 112, the cavity wall of the B cavity 1111 and the cavity wall of the a cavity 1112 are connected through a supporting surface, one end of the compression spring abuts against the supporting surface, and the other end of the compression spring abuts against the first end. In other implementations, the elastic member may be a gas spring or the like.
Optionally, the first end is provided with a boss 24, and the compression spring is sleeved on the boss 24, and the boss 24 can prevent the spring from being skewed in the process of stretching the compressor.
Optionally, the housing 1 includes a housing body 11 and a base 12, the first cavity 111, the second cavity 112 and the third cavity 113 are all disposed in the housing body 11, the fourth cavity 121 is disposed in the base 12, and the housing body 11 is detachably connected with the base 12. By detachably connecting the housing body 11 and the base 12, the valve core 2 and the elastic member inside are easily installed and maintenance thereof is easily performed. In this embodiment, the housing body 11 and the base 12 are detachable through threaded connection, and in other embodiments, the housing body 11 and the base 12 may be detachable through flange connection, or bolt connection, or the like. Preferably, the step surface 122 is formed by a surface of the base 12 near one end of the valve core 2, so that the position of the step surface 122 can be effectively adjusted by adjusting the screwing depth of the base 12, and the adjustment of the opening position of the pressure spring is realized.
Optionally, the outer end of the base 12 is provided with a slot 123 or cross. The base 12 is easy to disassemble and assemble by a straight screwdriver or a cross screwdriver. For easy disassembly and assembly, the end of the housing body 11 far away from the base 12 is provided with a structure with a hexagonal normal section, so that the clamping is convenient.
It is to be understood that the above examples of the present invention are provided for clarity of illustration only and are not limiting of the embodiments of the present invention. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the invention are desired to be protected by the following claims.
Claims (7)
1. An exhaust mechanism, comprising:
the device comprises a shell (1), wherein a first cavity (111), a second cavity (112), a third cavity (113) and a fourth cavity (121) which are sequentially communicated are arranged in the shell (1), the inner diameter of the first cavity (111) and the inner diameter of the third cavity (113) are smaller than the inner diameter of the second cavity (112), the inner diameter of the fourth cavity (121) is smaller than the inner diameter of the third cavity (113), the inner wall of the second cavity (112) is connected with the inner wall of the first cavity (111) through a sealing surface (114), the first cavity (111) is used for being communicated with a low-pressure pipeline, and the fourth cavity (121) is used for being communicated with a high-pressure pipeline;
a valve core (2), wherein the valve core (2) is slidably positioned in the third cavity (113), the outer surface of the valve core (2) is matched with the inner surface of the third cavity (113), a damping hole (22) is arranged on the valve core (2), the fourth cavity (121) can be always communicated with the second cavity (112) through the damping hole (22), the valve core (2) has a closing position abutting against the sealing surface (114) and an opening position separated from the sealing surface (114), when the valve core (2) is positioned in the closing position, the valve core (2) abuts against the sealing surface (114) and separates the first cavity (111) from the second cavity (112), and when the valve core (2) is positioned in the opening position, the valve core (2) is separated from the sealing surface (114) and the first cavity (111) is communicated with the second cavity (112);
the elastic piece always has a trend of driving the valve core (2) to move towards the opening position, and hydraulic oil in the high-pressure pipeline can drive the valve core (2) to move from the opening position to the closing position after passing through the damping hole (22);
the valve core (2) is provided with a blind hole (21) extending along the axial direction of the valve core (2), the blind hole (21) can be always communicated with the fourth cavity (121), the damping hole (22) is arranged on the side wall of the valve core (2), and the damping hole (22) is communicated with the blind hole (21);
along the axial direction of the valve core (2), the valve core (2) comprises a first end and a second end, the first end is provided with a matching surface (23), and when the valve core (2) is positioned at the closed position, the matching surface (23) is abutted with the sealing surface (114) and separates the first cavity (111) from the second cavity (112);
the inner wall of the third cavity (113) and the inner wall of the fourth cavity (121) are connected through a step surface (122), and when the valve core (2) is positioned at the opening position, the second end is abutted with the step surface (122);
the elastic component is the pressure spring, first chamber (111) include A chamber (1112) and B chamber (1111), the aperture in A chamber (1112) is less than the aperture in B chamber (1111), A chamber (1112) are used for with low pressure pipeline intercommunication, B chamber (1111) with second chamber (112) intercommunication, the chamber wall in B chamber (1111) with the chamber wall in A chamber (1112) is passed through the holding surface and is connected, the one end of pressure spring with the holding surface supports tightly, the other end of pressure spring with first end supports tightly.
2. The venting mechanism according to claim 1, wherein the sealing surface (114) is a conical surface, a large end of the conical surface being connected to a chamber wall of the second chamber (112), a small end of the conical surface being connected to a chamber wall of the first chamber (111), the mating surface (23) being matched to the sealing surface (114), the mating surface (23) being in abutment with the sealing surface (114) when the valve cartridge (2) is in the closed position.
3. The venting mechanism according to claim 1, wherein the sealing surface (114) is a conical surface, a large end of the conical surface being connected to a chamber wall of the second chamber (112), a small end of the conical surface being connected to a chamber wall of the first chamber (111), the mating surface (23) being spherical, the mating surface (23) being in line contact with the sealing surface (114) when the valve element (2) is in the closed position.
4. A venting mechanism as claimed in claim 2 or 3, wherein the outer surface of the first end is provided with an elastic layer, the mating surface (23) being the outer surface of the elastic layer.
5. The exhaust mechanism according to claim 1, wherein the first end is provided with a boss (24), and the compression spring is sleeved on the boss (24).
6. The exhaust mechanism according to claim 1, characterized in that the housing (1) comprises a housing body (11) and a base (12), the first cavity (111), the second cavity (112) and the third cavity (113) are all arranged in the housing body (11), the fourth cavity (121) is arranged in the base (12), and the housing body (11) is detachably connected with the base (12).
7. The exhaust mechanism according to claim 6, characterized in that the outer end of the base (12) is provided with a slot (123) or a cross slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910576301.1A CN110206775B (en) | 2019-06-28 | 2019-06-28 | Exhaust mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910576301.1A CN110206775B (en) | 2019-06-28 | 2019-06-28 | Exhaust mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110206775A CN110206775A (en) | 2019-09-06 |
| CN110206775B true CN110206775B (en) | 2024-03-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910576301.1A Active CN110206775B (en) | 2019-06-28 | 2019-06-28 | Exhaust mechanism |
Country Status (1)
| Country | Link |
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| CN (1) | CN110206775B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113309870B (en) * | 2020-02-27 | 2023-06-06 | 苏州三星电子有限公司 | Connecting device and pipeline functional part assembly and medium system applying same |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB940469A (en) * | 1961-06-30 | 1963-10-30 | Linde Eismasch Ag | Improvements in or relating to reversible pressure limiting valves |
| CN105275818A (en) * | 2015-10-26 | 2016-01-27 | 珠海格力节能环保制冷技术研究中心有限公司 | Oil return device of compressor, compressor and air conditioner |
| CN205859285U (en) * | 2016-08-11 | 2017-01-04 | 卡特彼勒（青州）有限公司 | Automatic exhaust steam valve and liquid communication system |
| CN207830626U (en) * | 2018-01-23 | 2018-09-07 | 科力远混合动力技术有限公司 | Pressure regulator valve |
| CN207848491U (en) * | 2017-11-22 | 2018-09-11 | 上海齐耀动力技术有限公司 | Plane sealing type check valve and high pressure reciprocating pump |
| CN210141237U (en) * | 2019-06-28 | 2020-03-13 | 中船动力研究院有限公司 | Exhaust mechanism |
-
2019
- 2019-06-28 CN CN201910576301.1A patent/CN110206775B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB940469A (en) * | 1961-06-30 | 1963-10-30 | Linde Eismasch Ag | Improvements in or relating to reversible pressure limiting valves |
| CN105275818A (en) * | 2015-10-26 | 2016-01-27 | 珠海格力节能环保制冷技术研究中心有限公司 | Oil return device of compressor, compressor and air conditioner |
| CN205859285U (en) * | 2016-08-11 | 2017-01-04 | 卡特彼勒（青州）有限公司 | Automatic exhaust steam valve and liquid communication system |
| CN207848491U (en) * | 2017-11-22 | 2018-09-11 | 上海齐耀动力技术有限公司 | Plane sealing type check valve and high pressure reciprocating pump |
| CN207830626U (en) * | 2018-01-23 | 2018-09-07 | 科力远混合动力技术有限公司 | Pressure regulator valve |
| CN210141237U (en) * | 2019-06-28 | 2020-03-13 | 中船动力研究院有限公司 | Exhaust mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110206775A (en) | 2019-09-06 |
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