CN108036006B - Cylinder with buffering protection function - Google Patents
Cylinder with buffering protection function Download PDFInfo
- Publication number
- CN108036006B CN108036006B CN201711324825.9A CN201711324825A CN108036006B CN 108036006 B CN108036006 B CN 108036006B CN 201711324825 A CN201711324825 A CN 201711324825A CN 108036006 B CN108036006 B CN 108036006B
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- CN
- China
- Prior art keywords
- protection device
- buffer protection
- stepped
- piston
- hole
- 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.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/02—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using gas only or vacuum
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/3207—Constructional features
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/36—Special sealings, including sealings or guides for piston-rods
- F16F9/368—Sealings in pistons
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/36—Special sealings, including sealings or guides for piston-rods
- F16F9/369—Sealings for elements other than pistons or piston rods, e.g. valves
Abstract
A kind of cylinder with buffering protection function is provided, including cylinder block, air cylinder base and sealing are fixed on the buffer protection device of air cylinder base upper surface, it is formed with stepped cavity in the cylinder block and cylinder block lower end and the connected rear buffer protection device of air cylinder base sealing are placed in stepped inside cavity, the gas nozzle II being connected to stepped cavity is installed on the outside of cylinder block upper end and stepped cavity is connected to buffer protection device, high back voltage air-flow entered in buffer protection device by gas nozzle I make the piston in buffer protection device move up will buffer protection device and stepped cavity gas circuit close after realize to the barometric protection of number.While the present invention is weakened the air pressure of high back voltage air-flow by buffer protection device; realize gas chamber I and gas chamber II in cylinder after disconnecting to the barometric protection of number; nozzle shower moment high back voltage air-flow is effectively prevented to damage digital air gauge; while protecting digital air gauge not damaged, the barometric service life of number is improved.
Description
Technical field
The invention belongs to technical field of textile machine, and in particular to a kind of cylinder with buffering protection function.
Background technique
Currently, full Intelligent EDDY Current spinning machine there are 80 spindle positions, air gauge is mounted on to monitor in real time in each spindle position
The air negative pressure situation of each ingot, the barometric range are generally -10KPa~+10KPa.Equipment is in course of normal operation
The negative pressure value of each spindle position is between 2.2KPa~2.3KPa, but during Yarn splicing, nozzle shower instantaneous air pressure
It can reach 0.55MPa or so, if high back voltage air-flow, which enters digital air gauge, will cause pressure gauge damage without protective device,
Therefore, it is necessary to improve.
Summary of the invention
Present invention solves the technical problem that: a kind of cylinder with buffering protection function is provided, by gentle in cylinder block
Buffer protection device is installed in the cavity of cylinder bottom seat composition, while guaranteeing that normal airflow passes through cylinder, by buffer protection
While device weakens the air pressure of high back voltage air-flow, realize gas chamber I and gas chamber II in cylinder to digital air pressure after disconnecting
The protection of table effectively prevents nozzle shower moment high back voltage air-flow and damages to digital air gauge, and structure is simple, design
Rationally, while protecting digital air gauge not damaged, the barometric service life of number is improved.
The technical solution adopted by the present invention: the cylinder with buffering protection function, including cylinder block, air cylinder base and sealing
It is fixed on the buffer protection device of air cylinder base upper surface, stepped cavity is formed in the cylinder block and cylinder block lower end and cylinder
Buffer protection device is placed in stepped inside cavity after pedestal sealing is connected, and is equipped on the air cylinder base and buffer protection device
The gas nozzle I of connection, the cylinder block upper end outside is equipped with the gas nozzle II being connected to stepped cavity and stepped cavity and buffering are protected
Protection unit connection, normal airflow enter in buffer protection device the piston made in buffer protection device through stepped cavity by gas nozzle II
It moves down and realizes the barometric normal work of number after connecting the gas circuit of buffer protection device and stepped cavity；High back voltage air-flow
Being entered in buffer protection device by gas nozzle I moves up the piston in buffer protection device by buffer protection device and stepped cavity
Gas circuit is realized after closing to the barometric protection of number.
Wherein, the buffer protection device includes piston and support, and the support is fixed with one with air cylinder base sealing,
The support is axially formed with stepped hole, and the piston upper end passes through the chamber that stepped hole is protruded into stepped cavity and is formed on internal piston
Hole lower end is butted on air cylinder base upper surface after being aligned with the threaded hole of installation gas nozzle I, is formed with bulge loop on the outside piston peripheral wall
And there are stroke spacing between bulge loop upper surface and the step surface in stepped hole, the bulge loop upper surface is formed with seal groove I and seals
Circle be placed in seal groove I, between the bulge loop outer circle wall and stepped hole lower end hole wall, piston upper and lower side outer circle wall with it is stepped
There are gaps between hole wall above and below hole, between the stepped cavity and stepped hole upper end hole wall and piston upper end outer circumferential wall
Gap is connected to and is formed gas chamber I, and the through-hole being connected to lumen pore and stepped hole lower end, institute are formed on the piston outer circle wall
It states between gap, stepped hole lower end hole wall and the piston outer circle wall between bulge loop outer circle wall and stepped hole lower end hole wall
Gap, through-hole, lumen pore gas chamber II is formed after being connected to gas nozzle I, moving down or moving up for the piston connects gas chamber I and gas chamber II
The barometric normal work of number is realized after logical or closing and is protected.
Further, the bottom surface of support saddle, which is formed in annular groove and annular groove, is equipped with sealing ring I, the support and cylinder
Pedestal is sealed after being fixedly connected by I place of connecting of sealing ring.
Further, the air cylinder base upper surface, which is formed in seal groove II and seal groove II, is equipped with sealing ring II, institute
It states and is sealed after cylinder block is fixedly connected with air cylinder base by II place of connecting of sealing ring.
The present invention compared with prior art the advantages of:
1, normal airflow is entered in gas chamber I by gas nozzle II through stepped cavity, and piston, which moves down rear gas chamber I and is connected to gas chamber II, to be made
Nominal gas is discharged by gas nozzle I, to ensure that nominal gas passes through cylinder, guarantees the barometric normal work of number；
2, nozzle shower moment high back voltage air-flow is moved upwards by gas nozzle I into pusher piston, during the motion
Play the role of buffering after greatly reducing the air pressure of high back voltage air-flow, after sealing ring and step face contact are moved on piston
Gas chamber I and gas chamber II are closed, played a protective role to digital air gauge；
3, structure is simple, and design rationally, effectively prevents nozzle shower moment high back voltage air-flow and makes to digital air gauge
The barometric service life of number is improved while protecting digital air gauge not damaged at damage.
Detailed description of the invention
Fig. 1 is exploded perspective schematic diagram of the present invention；
Fig. 2 is the installation structure diagram of the invention；
Fig. 3 is that inventive piston moves up rear gas chamber I and gas chamber II closes exhaust hood schematic diagram of internal structure；
Fig. 4 moves down rear gas chamber I for inventive piston and is connected to exhaust hood schematic diagram of internal structure with gas chamber II；
Fig. 5 is that inventive piston moves down flow direction figure of the normal airflow in cylinder after rear gas chamber I is connected to gas chamber II；
Fig. 6 is that inventive piston moves up flowing side of the high back voltage air-flow in cylinder after rear gas chamber I and the closing of gas chamber II
Xiang Tu.
Specific embodiment
1-6 describes a kind of embodiment of the invention with reference to the accompanying drawing.
Cylinder with buffering protection function, including cylinder block 1, air cylinder base 8 and sealing are fixed on 8 upper end of air cylinder base
The buffer protection device in face, stepped cavity 12 is formed in the cylinder block 1 and 1 lower end of cylinder block and the sealing of air cylinder base 8 are connected
Buffer protection device is placed in inside stepped cavity 12 afterwards, is equipped with the gas being connected to buffer protection device on the air cylinder base 8
Mouth I 10,1 upper end of the cylinder block outside is equipped with the gas nozzle II 11 being connected to stepped cavity 12 and stepped cavity 12 and buffering are protected
Protection unit connection, normal airflow are entered in buffer protection device through stepped cavity 12 by gas nozzle II 11 and are made in buffer protection device
Piston 2, which moves down, to realize the barometric normal work of number after the connection of the gas circuit of buffer protection device and stepped cavity 12；Reversely
High pressure draught is entered in buffer protection device by gas nozzle I 10 moves up the piston 2 in buffer protection device by buffer protection device
It is realized after being closed with the gas circuit of stepped cavity 12 to the barometric protection of number；Specifically, the buffer protection device includes living
Plug 2 and support 3, the support 3 are fixed with one with the sealing of air cylinder base 8, and the support 3 is axial to be formed with stepped hole 17, described
2 upper end of piston passes through stepped hole 17 and protrudes into 15 lower end of lumen pore in stepped cavity 12 and being formed on inside piston 2 and installation gas nozzle I 10
Threaded hole alignment after be butted on 8 upper surface of air cylinder base, bulge loop 16 and 16 upper surface of bulge loop are formed on 2 outer circle wall of piston
There are stroke spacing between the step surface 19 in stepped hole 17, and 16 upper surface of bulge loop is formed with seal groove I 18 and sealing ring 5 is set
In in seal groove I 18, between 17 lower end hole wall of 16 outer circle wall of bulge loop and stepped hole, 2 upper and lower side outer circle wall of piston with
There are gap between stepped about 17 hole wall of hole, the stepped cavity 12 with outside stepped 17 upper end hole wall of hole and 2 upper end of piston
Gap between circumferential wall is connected to and is formed gas chamber I 4, is formed with and lumen pore 15 and stepped hole on the 2 lower end outer circle wall of piston
The through-hole 7 of 17 lower ends connection, gap, 17 lower end of stepped hole between 17 lower end hole wall of 16 outer circle wall of bulge loop and stepped hole
Gap, through-hole 7, lumen pore 15 and gas nozzle I 10 between hole wall and 2 lower end outer circle wall of piston form gas chamber II 9 after being connected to, described
Moving down or moving up for piston 2 makes gas chamber I 4 and gas chamber II 9 be connected to or realize after closing the barometric normal work of number and protection；
Specifically, 3 bottom surface of support is formed in annular groove 14 and annular groove 14 and is equipped with sealing ring I 6, the support 3 and cylinder bottom
Seat 8 is sealed after being fixedly connected by I 6 place of connecting of sealing ring；Specifically, 8 upper surface of air cylinder base is formed with seal groove
II 20 and seal groove II 20 in sealing ring II 13 is installed, the cylinder block 1 passes through sealing ring after being fixedly connected with air cylinder base 8
The sealing of II 13 places of connecting.
In this structure, when normal work, normal airflow flow direction is as shown in figure 5, normal airflow goes out from digital air gauge
After coming, entered in the stepped cavity 12 in cylinder block 1 by gas nozzle II 11, at this point, 2 lower end of piston is butted on the upper end of air cylinder base 8
Face, sealing ring 5 and step surface 19 are in contactless state, i.e. gas chamber I 4 is connected to gas chamber II 9, and normal airflow is flow to by gas chamber I 4
It is flowed out after gas chamber II 9 from gas nozzle I 10, cylinder and digital air gauge are in normal operating conditions, and digital air gauge is shown normally
Operating pressure；When nozzle shower, high pressure back draught flow direction as shown in fig. 6, high pressure back draught by air cylinder base 8
After gas nozzle I 10 enters, piston 2 is pushed to move up, does not contact the moment of sealing with step surface 19 in sealing ring 5, high pressure is reversed
During air-flow slowly enters gas chamber I 4 by gas chamber II 9, greatly the air pressure of high pressure back draught is weakened, is played slow
The purpose of protection is rushed, there are stroke spacing between 16 upper surface of bulge loop and the step surface 19 in stepped hole 17, stroke spacing is
1.7mm, after moving to sealing ring 5 on piston 2 with step surface 19 and contacting sealing, gas chamber I 4 and gas chamber II 9 make in cylinder after disconnecting
Gas circuit close, to play the role of protection to digital air gauge, cylinder block 1 passes through after being fixedly connected with air cylinder base 8
The sealing of II 13 place of connecting of sealing ring guarantees the pressure in normal operating conditions lower cylinder body 1 in the barometric range of number
In range, air cylinder base 8 is made of duralumin material, and cylinder block 1 and air cylinder base 8, air cylinder base 8 and support 3 pass through bolt
It is fixedly connected, cylinder block 1 is made of enhancing nylon material, and lower end is equipped with boss, will sealing after being fixedly connected with air cylinder base 8
It encloses II 13 to be pressed in seal groove II 20, the sealing ring 5 in seal groove I 18 reduces energy while making piston 2 run smoothly
The leakage of amount and the impact of piston 2.This structure normal airflow is entered in gas chamber I 4 by gas nozzle II 11 through stepped cavity 12, piston 2
Moving down rear gas chamber I 4 and being connected to gas chamber II 9 is discharged nominal gas by gas nozzle I 10, to ensure that nominal gas passes through gas
Cylinder, guarantees the barometric normal work of number, and nozzle shower moment high back voltage air-flow enters pusher piston 2 by gas nozzle I 10
It moves upwards, plays the role of buffering after greatly reducing the air pressure of high back voltage air-flow during the motion, piston 2 moves up
Gas chamber I 4 and gas chamber II 9 are closed after being contacted to sealing ring 5 with step surface 19, played a protective role to digital air gauge, structure
Simply, design rationally, effectively prevents nozzle shower moment high back voltage air-flow and damages to digital air gauge, protection number
While air gauge is not damaged, the barometric service life of number is improved.
Above-described embodiment, only presently preferred embodiments of the present invention, is not intended to limit the invention practical range, therefore all with this
The equivalence changes that content described in invention claim is done should all be included within scope of the invention as claimed.
Claims (3)
1. the cylinder with buffering protection function, it is characterised in that: be fixed on including cylinder block (1), air cylinder base (8) and sealing
The buffer protection device of air cylinder base (8) upper surface, the cylinder block (1) is interior to be formed under stepped cavity (12) and cylinder block (1)
It holds buffer protection device after being connected with air cylinder base (8) sealing to be placed in stepped cavity (12) inside, pacifies on the air cylinder base (8)
Equipped with the gas nozzle I (10) being connected to buffer protection device, it is equipped on the outside of cylinder block (1) upper end with stepped cavity (12) even
Logical gas nozzle II (11) and stepped cavity (12) is connected to buffer protection device, and normal airflow is by gas nozzle II (11) through stepped cavity
(12) entering in buffer protection device moves down the piston (2) in buffer protection device by buffer protection device and stepped cavity
(12) gas circuit realizes the barometric normal work of number after connecting；High back voltage air-flow enters buffer protection by gas nozzle I (10)
Moving up the piston (2) in buffer protection device in device will be real after the closing of the gas circuit of buffer protection device and stepped cavity (12)
Now to the barometric protection of number；
The buffer protection device includes piston (2) and support (3), and it is one that the support (3) and air cylinder base (8) sealing, which are connected,
Body, the support (3) are axially formed with stepped hole (17), and piston (2) upper end passes through stepped hole (17) and protrudes into stepped cavity
(12) lumen pore (15) lower end that is interior and being formed on piston (2) inside is butted on cylinder bottom after being aligned with the threaded hole of installation gas nozzle I (10)
Seat (8) upper surface, the platform of bulge loop (16) and bulge loop (16) upper surface and stepped hole (17) is formed on piston (2) outer circle wall
There are stroke spacing between terrace (19), and bulge loop (16) upper surface is formed with seal groove I (18) and sealing ring (5) is placed in sealing
In slot I (18), between bulge loop (16) outer circle wall and stepped hole (17) lower end hole wall, piston (2) upper and lower side outer circle wall
There are gap, the stepped cavity (12) and stepped hole (17) upper end hole wall and pistons between stepped hole (17) up and down hole wall
(2) gap between upper end outer circumferential wall is connected to and is formed gas chamber I (4), is formed on the outer circle wall of piston (2) lower end and chamber
The through-hole (7) that hole (15) is connected to stepped hole (17) lower end, bulge loop (16) outer circle wall and stepped hole (17) lower end hole wall
Between gap, the gap between stepped hole (17) lower end hole wall and piston (2) lower end outer circle wall, through-hole (7), lumen pore (15)
Gas chamber II (9) are formed after being connected to gas nozzle I (10), moving down or moving up for the piston (2) makes gas chamber I (4) and gas chamber II (9) even
The barometric normal work of number is realized after logical or closing and is protected.
2. the cylinder according to claim 1 with buffering protection function, it is characterised in that: support (3) the bottom surface system
Have in annular groove (14) and annular groove (14) and sealing ring I (6) is installed, after the support (3) is fixedly connected with air cylinder base (8)
It is sealed by sealing ring I (6) place of connecting.
3. the cylinder according to claim 1 with buffering protection function, it is characterised in that: on the air cylinder base (8)
End face, which is formed in seal groove II (20) and seal groove II (20), is equipped with sealing ring II (13), the cylinder block (1) and cylinder bottom
Seat (8) is sealed after being fixedly connected by sealing ring II (13) place of connecting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711324825.9A CN108036006B (en) | 2017-12-13 | 2017-12-13 | Cylinder with buffering protection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711324825.9A CN108036006B (en) | 2017-12-13 | 2017-12-13 | Cylinder with buffering protection function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108036006A CN108036006A (en) | 2018-05-15 |
| CN108036006B true CN108036006B (en) | 2019-05-10 |
Family
ID=62102825
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711324825.9A Active CN108036006B (en) | 2017-12-13 | 2017-12-13 | Cylinder with buffering protection function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108036006B (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010071395A (en) * | 2008-09-18 | 2010-04-02 | Yamaha Motor Co Ltd | Suspension and vehicle having the same |
| EP2450591A3 (en) * | 2010-11-09 | 2018-02-28 | Fox Factory, Inc. | Methods and apparatus for sag adjustment |
| JP2016194338A (en) * | 2015-03-31 | 2016-11-17 | 株式会社ショーワ | Hydraulic shock absorber |
| CN205669553U (en) * | 2016-05-05 | 2016-11-02 | 王信清 | A kind of external pneumatic buffer |
| CN107339360B (en) * | 2017-09-08 | 2018-11-30 | 中航飞机起落架有限责任公司 | A kind of undercarriage buffer |
-
2017
- 2017-12-13 CN CN201711324825.9A patent/CN108036006B/en active Active
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| Publication number | Publication date |
|---|---|
| CN108036006A (en) | 2018-05-15 |
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Effective date of registration: 20211216 Address after: 528000 plant 13, No. 21, Changhong Road, Daliang Gujian village committee, Shunde District, Foshan City, Guangdong Province Patentee after: Foshan Yixun Machinery Manufacturing Co.,Ltd. Address before: 721006 No. 70 Qing Jiang Road, Shaanxi, Baoji Patentee before: SHAANXI BAOCHENG AVIATION INSTRUMENT Co.,Ltd. |
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| TR01 | Transfer of patent right |