CN107061408B - A kind of built-in rear ends cylinder with lock of compact - Google Patents
A kind of built-in rear ends cylinder with lock of compact Download PDFInfo
- Publication number
- CN107061408B CN107061408B CN201710234630.9A CN201710234630A CN107061408B CN 107061408 B CN107061408 B CN 107061408B CN 201710234630 A CN201710234630 A CN 201710234630A CN 107061408 B CN107061408 B CN 107061408B
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- Prior art keywords
- cylinder
- spring
- piston
- piston rod
- lock
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Classifications
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- 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
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
- F15B15/1428—Cylinders
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- 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
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
- F15B15/1457—Piston rods
- F15B15/1461—Piston rod sealings
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- 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
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/20—Other details, e.g. assembly with regulating devices
- F15B15/22—Other details, e.g. assembly with regulating devices for accelerating or decelerating the stroke
- F15B15/226—Other details, e.g. assembly with regulating devices for accelerating or decelerating the stroke having elastic elements, e.g. springs, rubber pads
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- 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
- F15B21/041—Removal or measurement of solid or liquid contamination, e.g. filtering
-
- 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
- F15B2211/00—Circuits for servomotor systems
- F15B2211/60—Circuit components or control therefor
- F15B2211/615—Filtering means
-
- 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
- F15B2215/00—Fluid-actuated devices for displacing a member from one position to another
- F15B2215/30—Constructional details thereof
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Actuator (AREA)
Abstract
The invention discloses a kind of built-in rear ends cylinder with locks of compact, including piston rod, the left end of the piston rod is connected with standing screw, inlet chamber air inlet is provided on the right side of the dust-proof cushion, spiracle is provided on the right side of the inlet chamber air inlet, guide sleeve is provided on the right side of the spiracle, the outside of the piston rod is provided with damping spring at the right positions of guide sleeve.The utility model is scientific and reasonable for structure, it is safe and convenient to use, the air inlet position of cylinder is provided with filter screen, it can prevent external dust from air being followed to enter cylinder interior, cylinder is caused to damage, cylinder interior is provided with raised sealing block, when cylinder inner wall is by piston press, protrusion on raised sealing block can generate inclination, and elastic deformation occurs, after extruding force disappearance, it is returned to original state, pop-up when previous sealing ring can be prevented to be squeezed leads to seal failure, is provided with damping spring on the piston rod of cylinder interior.
Description
Technical field
The present invention relates to cylinder technical field, specially a kind of built-in rear ends cylinder with lock of compact.
Background technique
Cylinder is the cylindrical metal parts for guiding piston to carry out straight reciprocating motion in cylinder.Air is in cylinder
In by expansion convert heat into mechanical energy；Gas receiving piston in compresser cylinder compresses and improves pressure.Turbine,
The shell of rotary engine etc. is usually also referred to as " cylinder ".The application field of cylinder: printing (tension force), semiconductor
(mash welder, chip grinding), automation control, robot etc..It is determined on piston rod according to the size of power needed for working
Thrust and pulling force.Thus it should make cylinder power output slightly surplus when selecting cylinder.If cylinder diameter selects small, power output is inadequate,
Cylinder cisco unity malfunction；But cylinder diameter is excessive, it is heavy, at high cost not only to make equipment, while air consumption increases, and causes the energy unrestrained
Take.In fixture design, force-increasing mechanism should be used, as far as possible to reduce the size of cylinder.
There are some defects in use in existing cylinder, for example, cylinder leakproofness is poor and cylinder into
Filter screen is not provided at stomata, external dust is easily accessible, and cylinder interior is not provided with raised sealing block, is sealed in piston
Sealing ring is easy to be squeezed and pop up by back pressure, and seal failure and cylinder interior is caused to be not provided with damping spring and subtract
Shake pad, piston vibrates larger during the motion, is easily damaged.
Summary of the invention
The purpose of the present invention is to provide a kind of built-in rear ends cylinder with locks of compact, to solve above-mentioned background skill
The leakproofness of the cylinder proposed in art is poor and the air inlet position of cylinder is not provided with filter screen, and external dust is easily accessible,
Cylinder interior is not provided with raised sealing block, and the sealing ring sealed in piston is easy to be squeezed and pop up by back pressure, cause close
Envelope failure and cylinder interior are not provided with damping spring and resilient cushion, and piston vibrates larger during the motion, are easily damaged
The problem of.
To achieve the above object, the invention provides the following technical scheme: a kind of locking gas of the built-in rear ends of compact
Cylinder, including piston rod, dust-proof cushion, inlet chamber air inlet, spiracle, front end housing, outer piston, move back lock spring, self-locking spring, steel
Pearl, steel ball sleeve, inner piston, back cylinder cover, filter screen, rear cylinder chamber air inlet, rear fixing seat, resilient cushion, spring pocket, protrusion sealing
Block, damping spring, guide sleeve and standing screw, the left end of the piston rod are connected with standing screw, and outside the right side of piston rod
Portion is provided with dust-proof cushion, and inlet chamber air inlet, the right side setting of the inlet chamber air inlet are provided on the right side of the dust-proof cushion
There is spiracle, guide sleeve is provided on the right side of the spiracle, and be provided with front end housing on the right side of spiracle, the piston rod
It is external that damping spring is provided at the right positions of guide sleeve, and be arranged at the position of damping spring outside piston rod
There is raised sealing block, be provided with outer piston on the right side of the protrusion sealing block, be provided on the right side of the outer piston and move back lock spring,
Described move back is provided with spring pocket on the right side of lock spring, and steel ball sleeve, the inside of the steel ball sleeve are provided with above the spring pocket
It is provided with steel ball, and is provided with self-locking spring on the left of steel ball sleeve, the right end of the piston rod is provided with resilient cushion, the preceding cylinder
Lid is internal to be provided with inner piston at the right positions of resilient cushion, back cylinder cover is provided on the right side of the inner piston, after described
The inner right side of cylinder cap is provided with rear cylinder chamber air inlet, and filter screen, the rear cylinder are provided with above the rear cylinder chamber air inlet
The right side middle position of lid is provided with rear fixing seat.
Further, on the raised sealing block at least provided with ten protrusions, and ten protrusions be uniformly arranged in it is convex
Play the side of sealing block.
Further, the lock spring that moves back is fixedly connected with spring pocket by connector.
Further, the piston rod is an integral structure with standing screw.
Further, the back cylinder cover is an integral structure with rear fixing seat.
Compared with prior art, the beneficial effects obtained by the present invention are as follows being: the utility model is scientific and reasonable for structure, uses secure side
Just, the air inlet position of cylinder is provided with filter screen, can prevent external dust from air being followed to enter cylinder interior, lead to cylinder
Damage, cylinder interior are provided with raised sealing block, and when cylinder inner wall is by piston press, the protrusion on raised sealing block can be produced
Raw inclination, occurs elastic deformation, after extruding force disappearance, original state is returned to, when previous sealing ring can be prevented to be squeezed
Pop-up leads to seal failure, damping spring is provided on the piston rod of cylinder interior, and cylinder interior is arranged close to one end of piston
Resilient cushion, can reduce the shock between piston and cylinder, extend the service life of cylinder.
Detailed description of the invention
Attached drawing is used to provide further understanding of the present invention, and constitutes part of specification, with reality of the invention
It applies example to be used to explain the present invention together, not be construed as limiting the invention.In the accompanying drawings:
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is appearance diagram of the invention；
In figure: 1, piston rod；2, dust-proof cushion；3, inlet chamber air inlet；4, spiracle；5, front end housing；6, outer piston；7, it moves back
Lock spring；8, self-locking spring；9, steel ball；10, steel ball sleeve；11, inner piston；12, back cylinder cover；13, filter screen；14, rear cylinder chamber into
Stomata；15, rear fixing seat；16, resilient cushion；17, spring pocket；18, raised sealing block；19, damping spring；20, guide sleeve；21,
Standing screw.
Specific embodiment
Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings, it should be understood that preferred reality described herein
Apply example only for the purpose of illustrating and explaining the present invention and is not intended to limit the present invention.
Embodiment 1
The present invention provides a kind of technical solution referring to FIG. 1-2: a kind of built-in rear ends cylinder with lock of compact,
Including piston rod 1, dust-proof cushion 2, inlet chamber air inlet 3, spiracle 4, front end housing 5, outer piston 6, move back lock spring 7, self-locking spring
8, steel ball 9, steel ball sleeve 10, inner piston 11, back cylinder cover 12, filter screen 13, rear cylinder chamber air inlet 14, rear fixing seat 15, resilient cushion
16, spring pocket 17, raised sealing block 18, damping spring 19, guide sleeve 20 and standing screw 21, the left end of piston rod 1 are connected with
Standing screw 21, and the right hand external of piston rod 1 is provided with dust-proof cushion 2, the right side of dust-proof cushion 2 is provided with inlet chamber air inlet 3,
The right side of inlet chamber air inlet 3 is provided with spiracle 4, and the right side of spiracle 4 is provided with guide sleeve 20, and the right side of spiracle 4
It is provided with front end housing 5, the outside of piston rod 1 is provided with damping spring 19, and piston rod 1 at the right positions of guide sleeve 20
External to be provided with raised sealing block 18 at the position of damping spring 19, the right side of raised sealing block 18 is provided with outer piston 6,
The right side of outer piston 6, which is provided with, moves back lock spring 7, and the right side for moving back lock spring 7 is provided with spring pocket 17, the top setting of spring pocket 17
There is steel ball sleeve 10, steel ball sleeve 10 is internally provided with steel ball 9, and the left side of steel ball sleeve 10 is provided with self-locking spring 8, piston rod 1
Right end be provided with resilient cushion 16,5 inside of front end housing is provided with inner piston 11, inner piston at the right positions of resilient cushion 16
11 right side is provided with back cylinder cover 12, and the inner right side of back cylinder cover 12 is provided with rear cylinder chamber air inlet 14, rear cylinder chamber air inlet 14
Top be provided with filter screen 13, the right side middle position of back cylinder cover 12 is provided with rear fixing seat 15.
In order to allow this cylinder to seal stabilization, in the present embodiment, it is preferred that at least provided with ten on raised sealing block 18
A protrusion, and the side of raised sealing block 18 is uniformly arranged in ten protrusions.
Stablize fixation to allow to move back lock spring 7, in the present embodiment, it is preferred that move back lock spring 7 and spring pocket 17 passes through
Connector is fixedly connected.
In order to keep the structure of this cylinder more stable, in the present embodiment, it is preferred that piston rod 1 is one with standing screw 21
Body formula structure.
In order to keep the structure of this cylinder more stable, in the present embodiment, it is preferred that back cylinder cover 12 is one with rear fixing seat 15
Body formula structure.
Working principle: after the built-in rear ends cylinder with lock of the compact installs, the rear cylinder chamber air inlet of cylinder
It is provided with filter screen 13 at 14, can prevent external dust from air being followed to enter cylinder interior, cylinder is caused to damage, in cylinder
Portion is provided with raised sealing block 18, and when cylinder inner wall is squeezed by outer piston 6, the protrusion on raised sealing block 18, which can generate, inclines
Tiltedly, elastic deformation occurs, after extruding force disappearance, is returned to original state, pop-up when previous sealing ring can be prevented to be squeezed,
Lead to seal failure, is provided with damping spring 19 on the piston rod 1 of cylinder interior, cylinder interior is set close to one end of outer piston 6
Resilient cushion 16 has been set, the shock between outer piston 6 and cylinder can be reduced, has extended the service life of cylinder.
Finally, it should be noted that the foregoing is only a preferred embodiment of the present invention, it is not intended to restrict the invention,
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features.
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in of the invention
Within protection scope.
Claims (5)
1. a kind of built-in rear ends cylinder with lock of compact, including piston rod (1), dust-proof cushion (2), inlet chamber air inlet
(3), spiracle (4), front end housing (5), outer piston (6), move back lock spring (7), self-locking spring (8), steel ball (9), steel ball sleeve (10),
Inner piston (11), back cylinder cover (12), filter screen (13), rear cylinder chamber air inlet (14), rear fixing seat (15), resilient cushion (16), bullet
Spring set (17), raised sealing block (18), damping spring (19), guide sleeve (20) and standing screw (21), it is characterised in that: described
The left end of piston rod (1) is connected with standing screw (21), and the right hand external of piston rod (1) is provided with dust-proof cushion (2), described anti-
It is provided on the right side of dirt pad (2) inlet chamber air inlet (3), is provided with spiracle (4) on the right side of the inlet chamber air inlet (3),
It is provided with guide sleeve (20) on the right side of the spiracle (4), and is provided with front end housing (5), the piston on the right side of spiracle (4)
The outside of bar (1) is provided with damping spring (19) at the right positions of guide sleeve (20), and piston rod (1) is external close to subtracting
It shakes and is provided with raised sealing block (18) at the position of spring (19), be provided with outer piston on the right side of the protrusion sealing block (18)
(6), it is provided on the right side of the outer piston (6) and moves back lock spring (7), described move back is provided with spring pocket on the right side of lock spring (7)
(17), it being provided with steel ball sleeve (10) above the spring pocket (17), the steel ball sleeve (10) is internally provided with steel ball (9),
And self-locking spring (8) are provided on the left of steel ball sleeve (10), the right end of the piston rod (1) is provided with resilient cushion (16), described
Front end housing (5) is internal to be provided with inner piston (11) at the right positions of resilient cushion (16), the right side of the inner piston (11)
Be provided with back cylinder cover (12), the inner right side of the back cylinder cover (12) is provided with rear cylinder chamber air inlet (14), it is described after cylinder chamber into
It is provided with above stomata (14) filter screen (13), the right side middle position of the back cylinder cover (12) is provided with rear fixing seat
(15)。
2. the built-in rear ends cylinder with lock of a kind of compact according to claim 1, it is characterised in that: the protrusion
At least provided with ten protrusions on sealing block (18), and the side of raised sealing block (18) is uniformly arranged in ten protrusions.
3. the built-in rear ends cylinder with lock of a kind of compact according to claim 1, it is characterised in that: described to move back lock
Spring (7) is fixedly connected with spring pocket (17) by connector.
4. the built-in rear ends cylinder with lock of a kind of compact according to claim 1, it is characterised in that: the piston
Bar (1) is an integral structure with standing screw (21).
5. the built-in rear ends cylinder with lock of a kind of compact according to claim 1, it is characterised in that: cylinder after described
Lid (12) is an integral structure with rear fixing seat (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710234630.9A CN107061408B (en) | 2017-04-12 | 2017-04-12 | A kind of built-in rear ends cylinder with lock of compact |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710234630.9A CN107061408B (en) | 2017-04-12 | 2017-04-12 | A kind of built-in rear ends cylinder with lock of compact |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107061408A CN107061408A (en) | 2017-08-18 |
| CN107061408B true CN107061408B (en) | 2019-01-25 |
Family
ID=59602009
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710234630.9A Active CN107061408B (en) | 2017-04-12 | 2017-04-12 | A kind of built-in rear ends cylinder with lock of compact |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107061408B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109578371B (en) * | 2018-12-05 | 2020-06-16 | 陕西理工大学 | Locking cylinder |
| CN118026026B (en) * | 2024-04-12 | 2024-06-21 | 山西泰宝科技有限公司 | Hydraulic support aqueous medium pushing jack sealing device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1460276A2 (en) * | 2003-03-19 | 2004-09-22 | Bosch Rexroth Teknik AB | Pneumatic cylinder with damping means in the end cap |
| CN203146475U (en) * | 2013-03-11 | 2013-08-21 | 蚌埠市行星工程机械有限公司 | Buffering oil cylinder |
| CN205190421U (en) * | 2015-12-07 | 2016-04-27 | 温州雅歌气动有限公司 | Interior concealed front and back end portion cylinder with lock |
| CN106286464A (en) * | 2016-09-02 | 2017-01-04 | 武汉市天毅达测控科技有限公司 | A kind of end mechanical self-locking hydraulic cylinder of band buffering |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4571413B2 (en) * | 2004-01-19 | 2010-10-27 | 帝人化成株式会社 | Method for obtaining alkaline aqueous solution of aromatic dihydroxy compound from waste aromatic polycarbonate resin |
-
2017
- 2017-04-12 CN CN201710234630.9A patent/CN107061408B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1460276A2 (en) * | 2003-03-19 | 2004-09-22 | Bosch Rexroth Teknik AB | Pneumatic cylinder with damping means in the end cap |
| CN203146475U (en) * | 2013-03-11 | 2013-08-21 | 蚌埠市行星工程机械有限公司 | Buffering oil cylinder |
| CN205190421U (en) * | 2015-12-07 | 2016-04-27 | 温州雅歌气动有限公司 | Interior concealed front and back end portion cylinder with lock |
| CN106286464A (en) * | 2016-09-02 | 2017-01-04 | 武汉市天毅达测控科技有限公司 | A kind of end mechanical self-locking hydraulic cylinder of band buffering |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107061408A (en) | 2017-08-18 |
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