CN110206775A - A kind of exhaust gear - Google Patents
A kind of exhaust gear Download PDFInfo
- Publication number
- CN110206775A CN110206775A CN201910576301.1A CN201910576301A CN110206775A CN 110206775 A CN110206775 A CN 110206775A CN 201910576301 A CN201910576301 A CN 201910576301A CN 110206775 A CN110206775 A CN 110206775A
- Authority
- CN
- China
- Prior art keywords
- chamber
- spool
- sealing surface
- exhaust gear
- open position
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000007789 sealing Methods 0.000 claims abstract description 45
- 238000013016 damping Methods 0.000 claims abstract description 28
- 239000010720 hydraulic oil Substances 0.000 claims abstract description 15
- 230000013011 mating Effects 0.000 claims description 21
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 20
- 239000003921 oil Substances 0.000 abstract description 6
- 230000006835 compression Effects 0.000 description 5
- 238000007906 compression Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 238000011010 flushing procedure Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 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 present invention relates to engine assembly technical fields, specifically disclose a kind of exhaust gear, including shell, spool and elastic component.The first chamber being sequentially communicated is equipped in shell, second chamber, third chamber and the 4th chamber, first chamber with low pressure line for being connected to, 4th chamber with pressure duct for being connected to, spool is slidably disposed in third chamber, spool is equipped with damping hole, 4th chamber can be connected to always by damping hole with the second chamber, spool has the closed position abutted with sealing surface and the open position separated with sealing surface, when spool is located at closed position, spool abuts with sealing surface and separates the first chamber and the second chamber, when spool is located at open position, spool is separated with sealing surface and the first chamber is connected to the second chamber, always the trend that there is elastic component driving spool to move to open position, hydraulic oil in pressure duct passes through after damping hole, spool pressure at two ends is caused to differ, and spool can be driven to move to closed position by open position, realize automatic exhaust and envelope Oil.
Description
Technical field
The present invention relates to engine assembly technical field more particularly to a kind of exhaust gears.
Background technique
The operation of diesel engine be unable to do without the normal work of hydraulic system, usually before diesel engine operation, needs to host
Each fluid pressure line, oil circuit is rinsed.The purpose of flushing is on the one hand to carry out possible remaining impurity, another party
Face is for the air in discharge line.But the hydraulic system of diesel engine is considerably complicated, and after the completion of flushing before motor-car, one
Branch pipeline, oil circuit due to piston or valve member barrier action, cause fuel oil, lubricating oil or servo oil can not Efficient Cycle side by side
It is very long by one in driving to will cause relevant hydraulic package so that the large quantity of air being full of in cavity can not be excluded effectively for air out
It still can not work normally after the section time, just need operator to some key positions of hydraulic system (such as connection piston at this time
Or the pipeline of valve member) deflate, when operation, need operator either manually or by tool open bleed screw, efficiency is lower.
Summary of the invention
It is an object of the invention to: a kind of exhaust gear is provided, when diesel engine is in the prior art for vehicle with solution, needs to grasp
Make personnel to deflate either manually or by pipeline, oil circuit of the tool open bleed screw to hydraulic system, the low problem of operating efficiency.
On the one hand, the present invention provides a kind of exhaust gear, which includes:
Shell, the shell is interior to be equipped with the first chamber, the second chamber third chamber and the 4th chamber being sequentially communicated, first chamber
The internal diameter of internal diameter and the third chamber is respectively less than the internal diameter of second chamber, and the internal diameter of the 4th chamber is less than the third chamber
The inner wall of internal diameter, second chamber is connect with the inner wall of the first chamber by sealing surface, and first chamber is used for and low pressure line connects
Logical, the 4th chamber with pressure duct for being connected to；
Spool, the spool are slidably disposed in the inner surface of the third chamber and the outer surface of the spool and the third chamber
Matching, the spool is equipped with damping hole, and the 4th chamber can be connected to always by the damping hole with second chamber,
The spool has the closed position abutted with the sealing surface and the open position separated with the sealing surface, when the spool
When positioned at the closed position, the spool abuts with the sealing surface and separates first chamber and second chamber, when
When the spool is located at the open position, the spool is separated with the sealing surface and first chamber and second chamber connect
It is logical；
Elastic component, the elastic component have the trend for driving the spool to move to the open position, the height always
Hydraulic oil in pressure pipe road after the damping hole by that can drive the spool to move to the closing by the open position
Position.
Preferably, the spool is equipped with the blind hole extended along the axis direction of the spool, the blind hole can be with
4th chamber is connected to always, and the damping hole is set on the side wall of the spool, and the damping hole and the blind hole
Connection.
Preferably, the spool includes first end and second end along the axial direction of the spool, the first end, which is equipped with, matches
Conjunction face, when the spool is located at the closed position, the mating surface is abutted with the sealing surface, and by first chamber and
Second chamber separates；
The inner wall of the third chamber is connected with the inner wall of the 4th chamber by step surface, when the spool is located at described beat
When open position, the second end is abutted with the step surface.
Preferably, the sealing surface is the conical surface, the big end of the conical surface is connect with the cavity wall of second chamber, the cone
The small end in face is connect with the cavity wall of first chamber, and the mating surface matches with the sealing surface, when the spool is located at institute
When stating closed position, the mating surface is bonded with the sealing surface.
Preferably, the sealing surface is the conical surface, the big end of the conical surface is connect with the cavity wall of second chamber, the cone
The small end in face is connect with the cavity wall of first chamber, and the mating surface is spherical surface, when the spool is located at the closed position,
The mating surface and the sealing brought into linear contact.
Preferably, the outer surface of the first end is equipped with elastic layer, the mating surface is the outer surface of the elastic layer.
Preferably, the elastic component is pressure spring, first chamber includes A chamber and B chamber, and the aperture of the A chamber is less than institute
State the aperture of B chamber, for being connected to low pressure line, the B chamber is connected to the A chamber with second chamber, the cavity wall of the B chamber with
The cavity wall of the A chamber is connected by supporting surface, and one end of the pressure spring and the supporting surface push against, the other end of the pressure spring with
The first end pushes against.
Preferably, the first end is equipped with boss, the compression spring sleeve is set to the boss.
Preferably, the shell includes outer cover body and pedestal, first chamber, second chamber and the third chamber
It is all set in the outer cover body, the 4th chamber is set to the pedestal, and the outer cover body and the pedestal are detachable
Connection.
Preferably, the outer end of the pedestal is equipped with flat recess or cross recess.
The invention has the benefit that
The present invention provides a kind of exhaust gear, which includes shell, spool and elastic component.It is equipped with successively in shell
The first chamber, the second chamber, third chamber and the 4th chamber of connection, the internal diameter of the first chamber and the internal diameter of third chamber are respectively less than the interior of the second chamber
Diameter, the internal diameter of the 4th chamber are less than the internal diameter of third chamber, and the inner wall of the second chamber is connect with the inner wall of the first chamber by sealing surface, and first
Chamber with low pressure line for being connected to, and the 4th chamber with pressure duct for being connected to.Spool is slidably disposed in the appearance of third chamber and spool
Face and the inner surface of third chamber match, and spool is equipped with damping hole, and the 4th chamber can be connected always by damping hole and the second chamber
Logical, spool has the closed position abutted with sealing surface and the open position separated with sealing surface, when spool is located at closed position
When, spool abuts with sealing surface and separates the first chamber and the second chamber, when spool is located at open position, spool and sealing surface point
From and the first chamber be connected to the second chamber.Elastic component has the trend that moves to open position of driving spool always, in pressure duct
Hydraulic oil by that spool can be driven to move to closed position by open position after damping hole.When there are pressures in pressure duct
When the air of contracting, since the viscosity of air is very low, air directly can enter second through the 4th chamber and damping hole by pressure duct
Chamber, thus the air pressure balance at spool axially direction both ends, under the elastic reaction of elastic component, spool is transported to open position
It is dynamic, and the first chamber and the connection of the second chamber, air directly can be discharged into low pressure line through the first chamber.When hydraulic oil is passed through by damping hole
When, hydraulic oil will generate pressure difference at damping hole both ends, and the pressure ratio for entering the second intracavitary hydraulic oil is located at the 4th chamber
The pressure of interior hydraulic oil wants low, and pushes spool mobile from open position to closed position, so that spool compression elastic piece is simultaneously
It is abutted with sealing surface, the first chamber and the second chamber is separated, hydraulic oil is prevented to enter in low pressure line.
Detailed description of the invention
Fig. 1 is the structural schematic diagram one of exhaust gear in the embodiment of the present invention；
Fig. 2 is cross-sectional view of the exhaust gear shown in Fig. 1 along the direction A-A；
Fig. 3 is the exploded view of exhaust gear in the embodiment of the present invention；
Fig. 4 is the structural schematic diagram two of exhaust gear in the embodiment of the present invention.
In figure:
1, shell；
11, outer cover body；111, the first chamber；1111, B chamber；1112, A chamber；112, the second chamber；113, third chamber；114, close
Cover；
12, pedestal；121, the 4th chamber；122, step surface；123, flat recess；
2, spool；21, blind hole；22, damping hole；23, mating surface；24, boss；
3, elastic component.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " second ", only
For descriptive purposes, it is not understood to indicate or imply relative importance.Wherein, term " first position " and " second position "
For two different positions, moreover, fisrt feature includes fisrt feature above the second feature " above ", " above " and " above "
Right above two features and oblique upper, or first feature horizontal height is merely representative of higher than second feature.Fisrt feature is in the second spy
Sign " under ", " lower section " and " following " include that fisrt feature is directly below and diagonally below the second feature, or to be merely representative of first special
It levies level height and is less than second feature.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, and for explaining only the invention, and is not considered as limiting the invention.
As shown in figures 1-4, the present embodiment provides a kind of exhaust gear, which includes shell 1, spool 2 and elasticity
Part.The first chamber 111, the second chamber 112, third chamber 113 and the 4th chamber 121 being sequentially communicated are equipped in shell 1, the first chamber 111
The internal diameter of internal diameter and third chamber 113 is respectively less than the internal diameter of the second chamber 112, and the internal diameter of the 4th chamber 121 is less than the interior of third chamber 113
Diameter, the inner wall of the second chamber 112 are connect with the inner wall of the first chamber 111 by sealing surface 114, and the first chamber 111 is used for and low pressure line
Connection, the 4th chamber 121 with pressure duct for being connected to.Spool 2 is slidably disposed in third chamber 113 and the outer surface of spool 2 and the
The inner surface of three chambers 113 matches, and spool 2 is equipped with damping hole 22, and the 4th chamber 121 can pass through damping hole 22 and the second chamber
112 are connected to always, and spool 2 has the closed position and the open position isolated with sealing surface 114 abutted with sealing surface 114, when
When spool 2 is located at closed position, spool 2 abuts with sealing surface 114 and separates the first chamber 111 and the second chamber 112, when spool 2
When positioned at open position, spool 2 is separated with sealing surface 114 and the first chamber 111 is connected to the second chamber 112.Elastic component has always
The trend that move to open position of driving spool 2, the hydraulic oil in pressure duct pass through can drive after damping hole 22 spool 2 by
Open position moves to closed position.
When, there are when the air of compression, since the viscosity of air is very low, air can be directly by high-voltage tube in pressure duct
Tetra- chamber 121 of Lu Jing and damping hole 22 enter the second chamber 112, thus the air pressure balance at the axially direction both ends of spool 2,
Under the elastic reaction of elastic component, spool 2 is moved to open position, and the first chamber 111 is connected to the second chamber 112, and air can be straight
It connects and is discharged into low pressure line through the first chamber 111, realize automatic exhaust.When hydraulic oil is passed through by damping hole 22, hydraulic oil is being damped
22 both ends of hole will generate pressure difference, and the pressure ratio for entering the hydraulic oil in the second chamber 112 is located at hydraulic oil in the 4th chamber 121
Pressure want low, and push spool 2 mobile from open position to closed position, thus 2 compression elastic piece of spool and with sealing
Face 114 abuts, and the first chamber 111 and the second chamber 112 are separated, and prevents hydraulic oil from entering in low pressure line, thus the air exhauster
Structure can be automatically closed after air is drained, prevent oil leak.
In the present embodiment, along the axial direction of spool 2, spool 2 includes first end and second end, when spool 2 in open position and
When movable between closed position, second end is always positioned in third chamber 113, and first end is then always positioned in the second chamber 112, also
It is to say, the first end of spool 2 stretches out third chamber 113, and in the reciprocatory movement of spool 2, stretches out third chamber 113 always
Outside.It is understood that the opening that damping hole 22 is connected to the second chamber 112 on spool 2 is also disposed at first end.
Optionally, spool 2 is equipped with the blind hole 21 extended along the axis direction of spool 2, and blind hole 21 can be with the 4th chamber 121
Always it is connected to, damping hole 22 is set on the side wall of spool 2, and damping hole 22 is connected to blind hole 21.In the present embodiment, blind hole
21 aperture end is set to the second end of spool 2, so that blind hole 21 and third chamber 113 connect in the reciprocatory movement of spool 2
It is logical, and be connected to indirectly with the 4th chamber 121.
Optionally, first end is equipped with mating surface 23, and when spool 2 is located at closed position, mating surface 23 is supported with sealing surface 114
It connects, and the first chamber 111 and the second chamber 112 is separated；The inner wall of the inner wall of third chamber 113 and the 4th chamber 121 passes through step surface 122
Connection, when spool 2 is located at open position, second end is abutted with step surface 122.In the present embodiment, sealing surface 114 is the conical surface,
The big end of the conical surface is connect with the cavity wall of the second chamber 112, and the small end of the conical surface is connect with the cavity wall of the first chamber 111, mating surface 23 with it is close
Cover 114 matches, and when spool 2 is located at closed position, mating surface 23 is bonded with sealing surface 114.In other embodiments, close
Cover 114 is the conical surface, but mating surface 23 is spherical surface, and when spool 2 is located at closed position, mating surface 23 connects with 114 line of sealing surface
Touching, it is of course also possible to make 114 spherical surface of sealing surface, mating surface 23 is the conical surface or plane etc..Preferably, the appearance of first end
Face is equipped with elastic layer, and mating surface 23 is the outer surface of elastic layer.It is abutted, can be guaranteed to sealing surface 114 by elastic layer
Sealing effect between one chamber 111 and the second chamber 112.
Optionally, elastic component is pressure spring, and the first chamber 111 includes A chamber 1112 and B chamber 1111, and the aperture of A chamber 1112 is less than B
The aperture of chamber 1111, for being connected to low pressure line, B chamber 1111 is connected to A chamber 1112 with the second chamber 112, the cavity wall of B chamber 1111 with
The cavity wall of A chamber 1112 is connected by supporting surface, and one end of pressure spring and supporting surface push against, and the other end and first end of pressure spring push against.
In other implementations, elastic component may be gas spring etc..
Optionally, first end is equipped with boss 24, and compression spring sleeve is set to boss 24, can prevent spring from existing by the way that boss 24 is arranged
During stretching skew occurs for compressor.
Optionally, shell 1 includes outer cover body 11 and pedestal 12, and the first chamber 111, the second chamber 112 and third chamber 113 are all provided with
It is placed in outer cover body 11, the 4th chamber 121 is set to pedestal 12, and outer cover body 11 is detachably connected with pedestal 12.By making shell
Ontology 11 and pedestal 12 are detachably connected, and are easily installed internal spool 2 and elastic component, and convenient for being maintained.This
In embodiment, outer cover body 11 and pedestal 12 are connected through a screw thread realization detachably, in other embodiments, 11 He of outer cover body
Pedestal 12 can also be by flanged joint or the realizations such as to be bolted detachable.Preferably, step surface 122 is that pedestal 12 leans on
The surface of nearly 2 one end of spool is constituted, to pass through the thread depth of adjustment base 12, can effectively adjust the position of step surface 122
It sets, realizes the adjusting to pressure spring open position.
Optionally, the outer end of pedestal 12 is equipped with flat recess 123 or cross recess.Convenient for passing through a word screwdriver or cross screwdriver pair
Pedestal 12 is dismounted.For the ease of dismounting, being set as normal section far from one end of pedestal 12 in outer cover body 11 is six sides
The structure of shape, convenient for clamping.
Obviously, the above embodiment of the present invention is just for the sake of clearly illustrating examples made by the present invention, and being not is pair
The restriction of embodiments of the present invention.For those of ordinary skill in the art, may be used also on the basis of the above description
To make other variations or changes in different ways.There is no necessity and possibility to exhaust all the enbodiments.It is all this
Made any modifications, equivalent replacements, and improvements etc., should be included in the claims in the present invention within the spirit and principle of invention
Protection scope within.
Claims (10)
1. a kind of exhaust gear characterized by comprising
Shell (1) is equipped with the first chamber (111) being sequentially communicated, the second chamber (112) third chamber (113) and the in the shell (1)
Four chambers (121), the internal diameter of first chamber (111) and the internal diameter of the third chamber (113) are respectively less than second chamber (112)
Internal diameter, the internal diameter of the 4th chamber (121) are less than the internal diameter of the third chamber (113), the inner wall of second chamber (112) and the
The inner wall of one chamber (111) is connected by sealing surface (114), and first chamber (111) with low pressure line for being connected to, and the described 4th
Chamber (121) with pressure duct for being connected to；
Spool (2), the spool (2) be slidably disposed in the third chamber (113) and the spool (2) outer surface and the third
The inner surface of chamber (113) matches, and the spool (2) is equipped with damping hole (22), and the 4th chamber (121) can be by described
Damping hole (22) is connected to always with second chamber (112), and the spool (2) has the pass abutted with the sealing surface (114)
Closed position and the open position separated with the sealing surface (114), it is described when the spool (2) is located at the closed position
Spool (2) abuts with the sealing surface (114) and separates first chamber (111) and second chamber (112), when the valve
When core (2) is located at the open position, the spool (2) separates with the sealing surface (114) and first chamber (111) and institute
State the second chamber (112) connection；
Elastic component, the elastic component have the trend for driving spool (2) open position the Xiang Suoshu movement, the high pressure always
Hydraulic oil in pipeline is described by the way that the spool (2) can be driven to be moved to by the open position after the damping hole (22)
Closed position.
2. exhaust gear according to claim 1, which is characterized in that the spool (2) is equipped with along the spool (2)
The blind hole (21) that axis direction extends, the blind hole (21) can be connected to always with the 4th chamber (121), the damping hole
(22) it is set on the side wall of the spool (2), and the damping hole (22) is connected to the blind hole (21).
3. exhaust gear according to claim 1, which is characterized in that the axial direction along the spool (2), the spool (2)
Including first end and second end, the first end is equipped with mating surface (23), when the spool (2) is located at the closed position,
The mating surface (23) abuts with the sealing surface (114), and first chamber (111) and second chamber (112) are separated；
The inner wall of the third chamber (113) and the inner wall of the 4th chamber (121) are connected by step surface (122), when the valve
When core (2) is located at the open position, the second end is abutted with the step surface (122).
4. exhaust gear according to claim 3, which is characterized in that the sealing surface (114) is the conical surface, the conical surface
Big end is connect with the cavity wall of second chamber (112), and the small end of the conical surface is connect with the cavity wall of first chamber (111), institute
Mating surface (23) is stated to match with the sealing surface (114), when the spool (2) is located at the closed position, the cooperation
Face (23) is bonded with the sealing surface (114).
5. exhaust gear according to claim 3, which is characterized in that the sealing surface (114) is the conical surface, the conical surface
Big end is connect with the cavity wall of second chamber (112), and the small end of the conical surface is connect with the cavity wall of first chamber (111), institute
Stating mating surface (23) is spherical surface, when the spool (2) is located at the closed position, the mating surface (23) and the sealing surface
(114) line contacts.
6. exhaust gear according to claim 4 or 5, which is characterized in that the outer surface of the first end is equipped with elastic layer,
The mating surface (23) is the outer surface of the elastic layer.
7. exhaust gear according to claim 3, which is characterized in that the elastic component is pressure spring, first chamber (111)
Including A chamber (1112) and B chamber (1111), the aperture of the A chamber (1112) is less than the aperture of the B chamber (1111), the A chamber
(1112) for being connected to low pressure line, the B chamber (1111) is connected to second chamber (112), the chamber of the B chamber (1111)
Wall is connected with the cavity wall of the A chamber (1112) by supporting surface, and one end of the pressure spring and the supporting surface push against, the pressure spring
The other end and the first end push against.
8. exhaust gear according to claim 7, which is characterized in that the first end is equipped with boss (24), the pressure spring
It is sheathed on the boss (24).
9. exhaust gear according to claim 1, which is characterized in that the shell (1) includes outer cover body (11) and bottom
Seat (12), first chamber (111), second chamber (112) and the third chamber (113) are all set in the outer cover body
(11) in, the 4th chamber (121) is set to the pedestal (12), and the outer cover body (11) and the pedestal (12) are detachable
Connection.
10. exhaust gear according to claim 9, which is characterized in that the outer end of the pedestal (12) is equipped with flat recess
(123) or cross recess.
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 true CN110206775A (en) | 2019-09-06 |
| CN110206775B 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 |
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| Country | Link |
|---|---|
| CN (1) | CN110206775B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113309870A (en) * | 2020-02-27 | 2021-08-27 | 苏州三星电子有限公司 | Connecting device and pipeline function component assembly and medium system using same |
| CN114352593A (en) * | 2021-11-18 | 2022-04-15 | 斯特林液压制造(宁波)有限公司 | Automatic exhaust valve for hydraulic system |
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| CN210141237U (en) * | 2019-06-28 | 2020-03-13 | 中船动力研究院有限公司 | Exhaust mechanism |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113309870A (en) * | 2020-02-27 | 2021-08-27 | 苏州三星电子有限公司 | Connecting device and pipeline function component assembly and medium system using same |
| 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 |
| CN114352593A (en) * | 2021-11-18 | 2022-04-15 | 斯特林液压制造(宁波)有限公司 | Automatic exhaust valve for hydraulic system |
| CN114352593B (en) * | 2021-11-18 | 2024-10-25 | 斯特林液压制造(宁波)有限公司 | Automatic exhaust valve for hydraulic system |
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|---|---|
| CN110206775B (en) | 2024-03-19 |
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