CN107131175A - A kind of decelerator cylinder of air chamber buffering - Google Patents
A kind of decelerator cylinder of air chamber buffering Download PDFInfo
- Publication number
- CN107131175A CN107131175A CN201710509324.1A CN201710509324A CN107131175A CN 107131175 A CN107131175 A CN 107131175A CN 201710509324 A CN201710509324 A CN 201710509324A CN 107131175 A CN107131175 A CN 107131175A
- Authority
- CN
- China
- Prior art keywords
- piston
- piston rod
- cylinder
- swivel nut
- air chamber
- 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.)
- Pending
Links
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
- 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
- F15B15/1438—Cylinder to end cap assemblies
-
- 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
- F15B15/1447—Pistons; Piston to piston rod assemblies
-
- 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
- F15B15/1471—Guiding means other than in the end cap
-
- 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
-
- 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
Abstract
The invention provides a kind of decelerator cylinder of air chamber buffering, including piston rod, its part being located in cylinder body is connected with piston by key, and piston bush is loaded on the piston rod, and the shaft shoulder of side and piston rod offsets；Corresponding keyway is respectively equipped with the opposite side and piston rod of piston, the key is installed in two keyways simultaneously；The guiding swivel nut couples with piston rod thread, and guiding swivel nut offsets with side of the piston provided with keyway；The swivel nut that is oriented to is provided with the seam being engaged with the piston rod close to the side of the piston.The decelerator cylinder of air chamber of the present invention buffering, is directed to that swivel nut is affixed with piston rod by way of welding, is on the one hand able to ensure that the firm connection of piston and piston rod；On the other hand, it can also prevent the air in back cylinder cover groove from being discharged from the gap being oriented between swivel nut and piston rod, it is ensured that the present invention can realize the effect of buffering when piston rod is retracted.
Description
Technical field
The invention belongs to railway hump marshalling yard speed control device field, more particularly, to a kind of pneumatic gravity formula vehicle deceleration
The cylinder of device.
Background technology
At present, pneumatic gravity formula car retarder (hereinafter referred to as decelerator) passes through years development, has become domestic iron
The important speed control device of road gravitation marshalling yard.Due to dependable performance, maintenance capacity is few, and environmental pollution is few, receives praises from customers, entirely
The marshalling yard of state 80% all uses the equipment, but indivedual yards folder occur and stopped once in a while, the low situation of muzzle velocity.Existing decelerator gas
Cylinder is as shown in figure 1, in maintenance, find the problems such as cylinder buffering pad is damaged, piston comes off.
Through analysis, main cause is as follows：1st, decelerator cylinder belongs to outdoor equipment, and its working environment temperature difference is larger；Simultaneously
Piston is constituted after stretching out or pulling in, and rubber buffer is impacted, and cushion pad has damaged hidden danger.After breakage, cushion pad
Fragment enters reversal valve, causes change-over valve core jam, causes decelerator can not act or slow in one's movements.2nd, piston composition stretches out
After in place, cushion pad is closely connected together with air cylinder front cover, forms vacuum, causes to pull in difficulty in starting, decelerator is alleviated slowly, caused
Vehicle folder stops or low speed phenomenon.Pin for that reason, scene sometimes using outer limit cylinder in place by the way of, that is, use
It is spacing between crank throw and push rod.But which causes cushion pad not work, the spacing impulsive force of crank throw push rod is larger, and confined planes are past
It is past i.e. destroyed after a while.After confined planes are destroyed, usually take repair welding pad to make the spacing recovery of crank throw, safeguard frequently and
Process is cumbersome.3rd, after piston and piston rod are installed, prevent piston from coming off by nut, Anti-loosing-cover and the pin that rises, once the pin warp that rises
Come off after crossing cylinder constantly motion, may result in decelerator trouble.4th, cylinder generally requires to turn in piston rod in installation process
Dynamic adjustment, piston does not only often have effect with piston rod by the parts such as packing ring friction anti-rotation after the completion of adjustment, occurs phase
Sealing ring between piston and piston rod is just highly vulnerable to breakage to rotation.
The content of the invention
In view of this, the present invention is directed to propose a kind of air chamber buffering decelerator cylinder, to solve existing deceleration cylinder
In use, the problem of cushion pad is damaged, piston comes off.
To reach above-mentioned purpose, the technical proposal of the invention is realized in this way：
A kind of decelerator cylinder of air chamber buffering, including piston rod, its part being located in cylinder body is connected by key
There is piston, piston seals affixed guiding swivel nut by piston rod end and fixed with piston rod；Back cylinder cover, it is located in cylinder body
Side wall is provided with back cylinder cover groove, and back cylinder cover groove is with being oriented to swivel nut interference fits；Front end housing, it is located on the side wall in cylinder body
Provided with front end housing boss, piston is provided with the pistion recess with front end housing boss interference fits close to the side wall of front end housing.
Further, the piston bush is loaded on the piston rod, and the shaft shoulder of side and piston rod offsets；Piston it is another
Corresponding keyway is respectively equipped with side and piston rod, the key is installed in two keyways simultaneously；The guiding swivel nut and work
Stopper rod thread connection, and be oriented to swivel nut and piston and be provided with the side of keyway and offset.
Further, the swivel nut that is oriented to is provided with the seam being engaged with the piston rod close to the side of the piston.
Further, the end welding for being oriented to swivel nut and piston rod.
Further, the swivel nut that is oriented to is provided with least one pair of mounting hole away from the side of the piston.
Further, the back cylinder cover is provided with rear boss, and the back cylinder cover groove is located at the end of rear boss；The piston
It is provided with the piston coordinated with rear boss gap and matches somebody with somebody groove.
Further, the front end housing boss is provided with through hole, and the piston rod is slidably connected by the through hole and front end housing；
The pistion recess is annular groove, and the minimum diameter of its longitudinal section is less than the external diameter of piston rod.
Further, the outside of the back cylinder cover is provided with cylinder block axis hole, the portion being located at outside the cylinder body of the piston rod
It is arranged with piston rod axis hole；Nylon sleeve is embedded with respectively in cylinder block axis hole and piston rod axis hole.
Relative to prior art, the decelerator cylinder of air chamber buffering of the present invention has the advantage that：
The decelerator cylinder of air chamber buffering of the present invention, compact conformation is reliable.By key, work ensure that
It will not be relatively rotated between plug and piston rod, can effectively avoid O-ring seal between the two from damaging, improve this
The reliability and service life of invention.Swivel nut is directed to by way of welding affixed with piston rod, is on the one hand able to ensure that work
The firm connection of plug and piston rod；On the other hand, it can also prevent air in back cylinder cover groove from being oriented to swivel nut and piston rod
Between gap in discharge, it is ensured that the present invention can realize the effect of buffering when piston rod is retracted.By back cylinder cover groove and
Cooperation between the cooperation of guiding swivel nut and pistion recess and front end housing boss, instead of the rubber buffer in traditional cylinder,
Both processing cost is reduced, the reliability of the present invention is improved again.
Brief description of the drawings
The accompanying drawing for constituting the part of the present invention is used for providing a further understanding of the present invention, schematic reality of the invention
Apply example and its illustrate to be used to explain the present invention, do not constitute inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 for decelerator cylinder in the prior art main view to sectional view；
Fig. 2 is the decelerator cylinder main view in a contracted state of the air chamber buffering described in the embodiment of the present invention to section view
Figure；
Fig. 3 is the enlarged drawing of I parts in Fig. 2；
Fig. 4 is main view of the decelerator cylinder under elongation state of the air chamber buffering described in the embodiment of the present invention to section view
Figure.
Description of reference numerals：
Sealing ring before 1-；2- front end housings；201- front end housing boss；3- piston rods；4- pistons；401- pistion recess；402-
Piston matches somebody with somebody groove；5- back cylinder covers；501- back cylinder cover grooves；502- rear boss；6- keys；7- weld seams；8- is oriented to swivel nut；801- seams；
802- mounting holes；9-O type sealing rings；10- axle sleeves；11- cylinder bodies；12- cylinder block axis holes；13- piston rod axis holes；14- original pistons
Bar；15- packing rings；16- cushion pads；17- original front end housings；18- rises pin；19- Anti-loosing-covers；20- nuts.
Embodiment
It should be noted that in the case where not conflicting, the embodiment in the present invention and the feature in embodiment can phases
Mutually combination.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " on ", " under ",
The orientation or position relationship of the instruction such as "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " are
Based on orientation shown in the drawings or position relationship, it is for only for ease of the description present invention and simplifies description, rather than indicate or dark
Specific orientation must be had, with specific azimuth configuration and operation by showing the device or element of meaning, therefore it is not intended that right
The limitation of the present invention.In addition, term " first ", " second " etc. are only used for describing purpose, and it is not intended that indicating or implying phase
To importance or the implicit quantity for indicating indicated technical characteristic.Thus, the feature for defining " first ", " second " etc. can
To express or implicitly include one or more this feature.In the description of the invention, unless otherwise indicated, " multiple "
It is meant that two or more.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
To be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected to by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, above-mentioned term can be understood by concrete condition
Concrete meaning in the present invention.
Describe the present invention in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
Such as Fig. 2-4, the present invention proposes a kind of decelerator cylinder of air chamber buffering, including piston rod 3, and it is located in cylinder body 11
Part piston 4 is connected with by key 6, piston 4 passes through the affixed guiding swivel nut 8 of the end part seal of piston rod 3 and piston rod 3
It is fixed；Back cylinder cover 5, its side wall being located in cylinder body 11 is provided with back cylinder cover groove 501, and back cylinder cover groove 501 is with being oriented to swivel nut 8
Interference fits；Front end housing 2, its side wall being located in cylinder body 11 is provided with front end housing boss 201, and piston 4 is close to the side of front end housing 2
Wall is provided with the pistion recess 401 with the interference fits of front end housing boss 201.
Above-mentioned cylinder body 11 is the tubular construction of both ends open, and front end housing 2 and back cylinder cover 5 block be fixed in cylinder body 11 respectively
At both ends open.Piston rod 3 is through front end housing 2 and is slidably connected therewith.
Above-mentioned interference fits, refer to the cell wall of back cylinder cover groove 501 and are oriented to (front end housing between the cylindrical side wall of swivel nut 8
Between the cylindrical side wall of boss 201 and the cell wall of pistion recess 401) gap value it is smaller.
Above-mentioned piston 4 is set on above-mentioned piston rod 3, and side and the shaft shoulder of piston rod 3 offset；The opposite side of piston 4
With corresponding keyway is respectively equipped with piston rod 3, above-mentioned key 6 is installed in two keyways simultaneously；Above-mentioned guiding swivel nut 8 is with living
The thread connection of stopper rod 3, and be oriented to swivel nut 8 and piston 4 and be provided with the side of keyway and offset.Pass through the shaft shoulder and guiding on piston rod 3
The cooperation of swivel nut 8, piston 4 is clamped, it is to avoid it slides axially on piston rod 3.Key 6 is installed in two keyways, it is ensured that
It will not be relatively rotated between piston 4 and piston rod 3, be favorably improved (such as Fig. 3 of O-ring seal 9 being installed between the two
It is shown) service life, reduce maintenance times, improve the present invention reliability.
Above-mentioned guiding swivel nut 8 is provided with the seam 801 being engaged with above-mentioned piston rod 3 close to the side of above-mentioned piston 4.As schemed
3, the seam 801 being oriented on swivel nut 8 is engaged with the part of the piston set 4 of piston rod 3, can strengthen coaxial when both assemble
Degree, makes piston 4 and piston rod 3 more efficiently smooth in stretching motion.
Weld the end of above-mentioned guiding swivel nut 8 and piston rod 3.It is oriented to after swivel nut 8 and the screw threads for fastening of piston rod 3, in piston
Both are welded and fixed by the end of bar 3, and the position of weld seam 7 is as shown in Figure 3.During use of the present invention, as long as weld seam 7 is endless
Come off entirely, being oriented to swivel nut 8 would not relatively rotate with piston rod 3, and then ensure that piston 4 and piston rod 3 will not occur axially to alter
It is dynamic.Meanwhile, the gap plugging between swivel nut 8 and piston rod 3 is directed to by the way of welding, it is to avoid be oriented to swivel nut 8 and enter
When in back cylinder cover groove 501, gas is discharged by the gap.
Above-mentioned guiding swivel nut 8 is provided with least one pair of mounting hole 802 away from the side of above-mentioned piston 4.Swivel nut 8 is oriented to installing
When, specific purpose tool can be inserted and be rotated in mounting hole 802, is fastened to be directed to swivel nut 8 on piston rod 3.Mounting hole
802 be blind hole, it is to avoid when guiding swivel nut 8 is entered in back cylinder cover groove 501, gas is discharged by mounting hole 802.
Above-mentioned back cylinder cover 5 is provided with rear boss 502, and above-mentioned back cylinder cover groove 501 is located at the end of rear boss 502；It is above-mentioned
Piston 4 is provided with the piston coordinated with the gap of rear boss 502 and matches somebody with somebody groove 402.The structure is not increasing the premise of the thickness of back cylinder cover 5
Under, add back cylinder cover groove 501 and be oriented to the axial length effectively coordinated between swivel nut 8, be favorably improved the tight of the present invention
Gather degree.
Above-mentioned front end housing boss 201 is provided with through hole, and above-mentioned piston rod 3 is slidably connected by the through hole with front end housing 5；On
Pistion recess 401 is stated for annular groove, the minimum diameter of its longitudinal section is less than the external diameter of piston rod 3.Current cylinder cap boss 201 enters
When in pistion recess 401, the partial piston 4 between pistion recess 401 and piston rod 3 will be entered in above-mentioned through hole (such as
Shown in Fig. 4), it is ensured that front end housing boss 201 can be smoothly entered in pistion recess 401.The structure is not increasing piston 4
In the case of thickness, the axial length effectively coordinated between pistion recess 401 and front end housing boss 201 is added, helps to carry
The compactness of the high present invention.
The outside (part for being located at the outside of cylinder body 11) of above-mentioned back cylinder cover 5 is provided with cylinder block axis hole 12, above-mentioned piston rod 3
Part outside above-mentioned cylinder body 11 is provided with piston rod axis hole 13；It is embedded with respectively in cylinder block axis hole 12 and piston rod axis hole 13
Nylon sleeve 10.In order to ensure pipeline and track insulation, reduce axle and cylinder block axis hole 12 is worn and torn, it is gentle in piston rod axis hole 13
The nylon sleeve 10 that increase insulated nylon is made in cylinder seat axis hole 12.
Piston rod 3 stretches out process：When the high speed of piston 4 is close to front end housing 2, it is recessed that front end housing boss 201 initially enters piston
In groove 401.Because the gap between the cell wall of pistion recess 401 and the cylindrical side wall of front end housing boss 201 is smaller, and front end housing
By the preceding sealing ring 1 in through hole, (existing cylinder is in order to prevent internal gas again in gap between through hole and piston rod 3 on boss 201
Body overflows, and can install sealing ring between piston rod and the hole being slidably connected with it) closure, therefore in piston rod groove 401
Gas can only be discharged slowly from small gap.Now, the air in pistion recess 401 is compressed, and air pressure moment rises, and subtracts
Delay the movement of piston 4, decline its speed, to realize the purpose of buffering.
Similarly, when piston rod 3 is retracted, the air in back cylinder cover groove 501 can only be slowly from the groove of back cylinder cover groove 501
Discharged in wall and the small gap being oriented between the cylindrical side wall of swivel nut 8, realize the purpose of buffering.
The decelerator cylinder of air chamber buffering of the present invention, compact conformation is reliable.By key 6, work ensure that
It will not be relatively rotated between plug 4 and piston rod 3, can effectively avoid O-ring seal between the two from damaging, improve
The reliability and service life of the present invention.Swivel nut 8 is directed to by way of welding and piston rod 3 is affixed, on the one hand can be true
The firm connection of keep-alive plug 4 and piston rod 3；On the other hand, it can also prevent air in back cylinder cover groove 501 from being oriented to swivel nut
Discharged in gap between 8 and piston rod 3, it is ensured that the present invention can realize the effect of buffering when piston rod 3 is retracted.By rear
Cooperation between the cooperation of cylinder cap groove 501 and guiding swivel nut 8 and pistion recess 401 and front end housing boss 201, instead of tradition
Rubber buffer in cylinder, both reduces processing cost, and the reliability of the present invention is improved again.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
God is with principle, and any modification, equivalent substitution and improvements made etc. should be included in the scope of the protection.
Claims (8)
1. a kind of decelerator cylinder of air chamber buffering, it is characterised in that including：
Piston rod (3), its part being located in cylinder body (11) is connected with piston (4) by key (6), and piston (4) passes through work
The affixed guiding swivel nut (8) of stopper rod (3) end part seal is fixed with piston rod (3)；
Back cylinder cover (5), its side wall being located in cylinder body (11) is provided with back cylinder cover groove (501), and back cylinder cover groove (501) is with leading
To swivel nut (8) interference fits；
Front end housing (2), its side wall being located in cylinder body (11) is provided with front end housing boss (201), and piston (4) is close to front end housing
(2) side wall is provided with the pistion recess (401) with front end housing boss (201) interference fits.
2. the decelerator cylinder of air chamber buffering according to claim 1, it is characterised in that：The piston (4) is set in institute
State on piston rod (3), and side and the shaft shoulder of piston rod (3) offset；Set respectively on the opposite side and piston rod (3) of piston (4)
There is corresponding keyway, the key (6) is while be installed in two keyways；
The guiding swivel nut (8) and piston rod (3) thread connection, and it is oriented to the side phase that swivel nut (8) is provided with keyway with piston (4)
Support.
3. the decelerator cylinder of air chamber buffering according to claim 2, it is characterised in that：The guiding swivel nut (8) is close
The side of the piston (4) is provided with the seam (801) being engaged with the piston rod (3).
4. the decelerator cylinder of air chamber buffering according to claim 2, it is characterised in that：The guiding swivel nut (8) is with living
The end welding of stopper rod (3).
5. the decelerator cylinder of air chamber buffering according to claim 2, it is characterised in that：The guiding swivel nut (8) is deviated from
The side of the piston (4) is provided with least one pair of mounting hole (802).
6. the decelerator cylinder of air chamber buffering according to claim 1, it is characterised in that：The back cylinder cover (5) is provided with
Rear boss (502), the back cylinder cover groove (501) is located at the end of rear boss (502)；The piston (4) be provided with it is rear convex
The piston that platform (502) gap coordinates matches somebody with somebody groove (402).
7. the decelerator cylinder of air chamber buffering according to claim 1, it is characterised in that：The front end housing boss (201)
Through hole is provided with, the piston rod (3) is slidably connected by the through hole with front end housing (5)；
The pistion recess (401) is annular groove, and the minimum diameter of its longitudinal section is less than the external diameter of piston rod (3).
8. the decelerator cylinder of air chamber buffering according to claim 1, it is characterised in that：The outside of the back cylinder cover (5)
Provided with cylinder block axis hole (12), the part of the cylinder body (11) outside that is located at of the piston rod (3) is provided with piston rod axis hole (13)；
Nylon sleeve (10) is embedded with respectively in cylinder block axis hole (12) and piston rod axis hole (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710509324.1A CN107131175A (en) | 2017-06-28 | 2017-06-28 | A kind of decelerator cylinder of air chamber buffering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710509324.1A CN107131175A (en) | 2017-06-28 | 2017-06-28 | A kind of decelerator cylinder of air chamber buffering |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107131175A true CN107131175A (en) | 2017-09-05 |
Family
ID=59737110
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710509324.1A Pending CN107131175A (en) | 2017-06-28 | 2017-06-28 | A kind of decelerator cylinder of air chamber buffering |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107131175A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107654441A (en) * | 2017-10-25 | 2018-02-02 | 中国第汽车股份有限公司 | A kind of synchronizer shift cylinder |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1367293A (en) * | 1970-10-13 | 1974-09-18 | Int Harvester Co | Piston and cylinder assemblies |
| JPH10131914A (en) * | 1996-10-31 | 1998-05-22 | Isuzu Motors Ltd | Pneumatic actuator |
| CN2369916Y (en) * | 1999-02-01 | 2000-03-22 | 铁道部科学研究院通信信号研究所 | Cylinder for pneumatic vehicle speed reducer |
| JP2002364696A (en) * | 2001-06-08 | 2002-12-18 | Eagle Ind Co Ltd | Operating shaft speed reducer |
| CN2893262Y (en) * | 2006-02-21 | 2007-04-25 | 任昱坤 | Proportional direction valve guide parts |
| CN202628656U (en) * | 2012-04-17 | 2012-12-26 | 余姚市永创电磁阀有限公司 | Air cylinder |
-
2017
- 2017-06-28 CN CN201710509324.1A patent/CN107131175A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1367293A (en) * | 1970-10-13 | 1974-09-18 | Int Harvester Co | Piston and cylinder assemblies |
| JPH10131914A (en) * | 1996-10-31 | 1998-05-22 | Isuzu Motors Ltd | Pneumatic actuator |
| CN2369916Y (en) * | 1999-02-01 | 2000-03-22 | 铁道部科学研究院通信信号研究所 | Cylinder for pneumatic vehicle speed reducer |
| JP2002364696A (en) * | 2001-06-08 | 2002-12-18 | Eagle Ind Co Ltd | Operating shaft speed reducer |
| CN2893262Y (en) * | 2006-02-21 | 2007-04-25 | 任昱坤 | Proportional direction valve guide parts |
| CN202628656U (en) * | 2012-04-17 | 2012-12-26 | 余姚市永创电磁阀有限公司 | Air cylinder |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107654441A (en) * | 2017-10-25 | 2018-02-02 | 中国第汽车股份有限公司 | A kind of synchronizer shift cylinder |
| CN107654441B (en) * | 2017-10-25 | 2024-04-16 | 中国第一汽车股份有限公司 | Gear shifting cylinder of synchronizer |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104989764B (en) | Hole type viscous damper with hole length capable of being automatically adjusted | |
| CN208331092U (en) | Novel oil gas spring | |
| CN107131175A (en) | A kind of decelerator cylinder of air chamber buffering | |
| CN104196819A (en) | Double-purpose through hole type four-level oil cylinder | |
| CN207018289U (en) | A kind of car retarder cylinder | |
| CN109138206A (en) | A kind of screw type frcition damper | |
| CN201925513U (en) | Top mounted ball valve of inner-propped compound seal forged steel | |
| CN107131173A (en) | Pneumatic brake cylinder | |
| WO2016101924A1 (en) | Railway vehicle buffer apparatus and assembling method and buffer system thereof | |
| CN201155501Y (en) | Barrel combination type hydraulic cylinder | |
| CN206571768U (en) | A kind of hydraulic cylinder | |
| CN205896014U (en) | Can effectively avoid connecting rod novel shock absorber of mill partially | |
| CN107477133A (en) | A kind of single-piston rod hydraulic damper | |
| CN204061405U (en) | Double-action passing hole type level Four oil cylinder | |
| CN207687091U (en) | The hydraulic cylinder of dribbling radial type cylinder cap | |
| CN111098881A (en) | Gas-liquid buffer with pull-press bidirectional buffering function and buffering device thereof | |
| CN102338140A (en) | Automatic adjustable loading and unloading device | |
| CN207077963U (en) | Internal axle sleeve, bushing, swing arm and automobile suspension system | |
| CN205423673U (en) | Inflatable bumper shock absorber director seal structure | |
| CN202193116U (en) | Integrated precisely-sealed noise-free bidirectional oiling device assembly for power-assisted steering cylinder | |
| CN205401575U (en) | Inflatable bumper shock absorber floating piston seal structure | |
| CN216642926U (en) | Suspension cylinder and working machine | |
| CN104728470A (en) | Bypath valve | |
| CN1553130A (en) | Hydraulic cylinder of rotary kiln | |
| CN111022550B (en) | Independent hydro-pneumatic suspension with detection device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170905 |
|
| RJ01 | Rejection of invention patent application after publication |