CN109505821A - A kind of pressurizing cylinder showing piston stroke - Google Patents
A kind of pressurizing cylinder showing piston stroke Download PDFInfo
- Publication number
- CN109505821A CN109505821A CN201811634657.8A CN201811634657A CN109505821A CN 109505821 A CN109505821 A CN 109505821A CN 201811634657 A CN201811634657 A CN 201811634657A CN 109505821 A CN109505821 A CN 109505821A
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- Prior art keywords
- cylinder
- cavity
- hole
- charged piston
- piston
- 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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- 230000013011 mating Effects 0.000 claims description 6
- 230000000903 blocking effect Effects 0.000 claims description 3
- 239000003921 oil Substances 0.000 abstract description 41
- 239000010687 lubricating oil Substances 0.000 abstract description 7
- 238000004140 cleaning Methods 0.000 abstract description 6
- 238000009423 ventilation Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 11
- 238000000034 method Methods 0.000 description 3
- 238000000354 decomposition reaction Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000009987 spinning Methods 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 238000000071 blow moulding Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000007634 remodeling Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- 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
-
- 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
- F15B3/00—Intensifiers or fluid-pressure converters, e.g. pressure exchangers; Conveying pressure from one fluid system to another, without contact between the fluids
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Actuator (AREA)
Abstract
The invention discloses the pressurizing cylinders that one kind can show piston stroke, including inlet connector, flowline connection to subsea, charged piston, and the first cavity is equipped between charged piston and inlet connector, and third cavity is equipped between charged piston and flowline connection to subsea；Charged piston includes the first cylinder and the second cylinder being arranged from inlet connector to flowline connection to subsea direction, and the outer diameter of the first cylinder is greater than the outer diameter of the second cylinder；Cylinder body is equipped with the second step face that the first cylinder of limitation enters third cavity, and the first cylinder is equipped with the First terrace opposite with second step face, and the second cavity is equipped between First terrace and second step face；Cylinder body is provided with the second cavity of connection and extraneous slideway, and charged piston is equipped with the pin for stretching out slideway.The pin object of reference mobile as observation charged piston, slideway can be as the channel of blowdown and ventilation.The present invention runs smoothly, oil seal performance is good, has addition lubricating oil and self-cleaning function.
Description
Technical field
The present invention relates to machinery equipment field, specifically a kind of pressurizing cylinder that can show piston stroke.
Background technique
Hydraulic cylinder use is extensive, and common oil cylinder is applied to the industries such as engineering machinery, metallurgy, injection molding, press more.Mesh
Before, it applies and needs the occasion of larger coupling mechanism force in press, injection machine, blow molding machinery etc., common oil cylinder must just increase
Structural volume simultaneously increases auxiliary cylinder with meet demand, causes the cumbersome of structure and hydraulic system, and cost is increased.This is just needed
Pressurizing cylinder is used, i.e., realizes that pressure of the low pressure oil in oil cylinder is amplified by a kind of booster body.
In the design of existing pressurizing cylinder, the stroke of piston cannot be directly displayed, and be unfavorable for daily observation, to failure
Judgement also brings difficulty.
Summary of the invention
The technical problem to be solved by the present invention is in view of the above-mentioned state of the art, and provide topology layout rationally,
Each mechanism cooperation precision is high, run smoothly, oil seal performance is good, one kind with addition lubricating oil and self-cleaning function can be shown
The pressurizing cylinder of piston stroke.
The technical scheme of the invention to solve the technical problem is: a kind of pressurised oil that can show piston stroke
Cylinder, inlet connector and flowline connection to subsea including being divided into cylinder body both ends, and connect set on inlet connector and flowline
Charged piston between head, is equipped with the first cavity between charged piston and inlet connector, charged piston and flowline connection to subsea it
Between be equipped with third cavity；Charged piston includes the first cylinder and the second column being arranged from inlet connector to flowline connection to subsea direction
Body, the outer diameter of the first cylinder are greater than the outer diameter of the second cylinder；Cylinder body is equipped with the first cylinder of limitation and enters the second of third cavity
Step surface, the first cylinder are equipped with the First terrace opposite with second step face, set between First terrace and second step face
There is the second cavity；Cylinder body is provided with the second cavity of connection and extraneous slideway, and charged piston is equipped with the pin for stretching out slideway.
To optimize above-mentioned technical proposal, the measure taken further include:
In embodiment 1, pin is vertical at the second cylinder, and slideway is set to the inner wall of the cylinder body where the second cavity.
In embodiment 2, slideway includes being set to the long waist blind hole that cylinder body outer wall is set in blind hole, and be parallel to pressurization and live
Plug and the through hole for being opened on second step face；Long waist blind hole is located at the periphery of third cavity, and through hole is connected to long waist blind hole；
Pin includes being connected in First terrace and gap to slide the cross bar being disposed through in hole, and be connected in one end of cross bar and gap is set
Vertical pole in long waist blind hole.
Above-mentioned cross bar is equipped with the first oil dripping mouth in the one end being located in the second cavity, and the upper end of vertical pole is equipped with the second oil dripping
Mouthful, the first oil dripping mouth between the second oil dripping mouth be equipped with oil duct；Second oil dripping mouth is plugged with the plug for blocking oil duct.
The opening direction of the first above-mentioned oil dripping mouth is towards the second cylinder；The opening direction of second oil dripping mouth is away from the
Two cylinders.
Above-mentioned vertical pole includes the second thread segment positioned at the second oil dripping mouth opposite end, and cross bar includes and the second thread segment
Second threaded hole of screw thread mating.
Above-mentioned cross bar includes the first thread segment positioned at the second threaded hole opposite end；First terrace is equipped with and first
First threaded hole of thread segment screw thread mating.
Embodiment 3 and embodiment 2 are the difference is that cross bar includes the T-type tenon positioned at the second threaded hole opposite end
Portion, First terrace are equipped with the T-type fourth of the twelve Earthly Branches slot with T-type tenon portion clearance sliding fit, and T-type fourth of the twelve Earthly Branches slot is in a ring and same with charged piston
Axis.
The outer wall of the cross bar of embodiment 2 and embodiment 3 and the inner wall of through hole are polygon；Through hole is higher than long waist blind hole
Bottom.
Compared with prior art, one kind of the invention can show the pressurizing cylinder of piston stroke, including inlet connector, go out
Oil connection, charged piston, are equipped with the first cavity between charged piston and inlet connector, charged piston and flowline connection to subsea it
Between be equipped with third cavity；Charged piston includes the first cylinder and the second column being arranged from inlet connector to flowline connection to subsea direction
Body, the outer diameter of the first cylinder are greater than the outer diameter of the second cylinder；Cylinder body is equipped with the first cylinder of limitation and enters the second of third cavity
Step surface, the first cylinder are equipped with the First terrace opposite with second step face, set between First terrace and second step face
There is the second cavity；Cylinder body is provided with the second cavity of connection and extraneous slideway, and charged piston is equipped with the pin for stretching out slideway.Pin
The object of reference mobile as observation charged piston, slideway can be as the channel of blowdown and ventilation.The present invention runs smoothly, oil seal
Performance is good, has addition lubricating oil and self-cleaning function.
Detailed description of the invention
Fig. 1 is external structure schematic diagram of the invention；
Fig. 2 is the schematic diagram of internal structure of the embodiment of the present invention 1；
Fig. 3 is the schematic diagram of internal structure of the embodiment of the present invention 2；
Fig. 4 is the decomposition texture schematic diagram of the embodiment of the present invention 2；
Fig. 5 is the equipped structural schematic diagram of charged piston in Fig. 3, cylinder body and pin；
Fig. 6 is the structural schematic diagram of pin internal galleries in Fig. 5；
Fig. 7 is the structural schematic diagram of pin internal galleries in Fig. 6；
Fig. 8 is the decomposition diagram of pin in Fig. 7；
Fig. 9 is the equipped structural schematic diagram of charged piston in the embodiment of the present invention 3, cylinder body and pin.
Specific embodiment
The embodiment of the present invention is described in further detail below in conjunction with attached drawing.
Fig. 1 to Fig. 9 is structural schematic diagram of the invention.
Appended drawing reference therein are as follows: inlet connector 1, cylinder body 2, the first cavity 21, the second cavity 22, third cavity
23, second step face 24, flowline connection to subsea 3, slideway 4, long waist blind hole 41, through hole 42, pin 5, cross bar 51, the first oil dripping mouth
511, the first thread segment 512, the second threaded hole 513, T-type tenon portion 514, vertical pole 52, the second oil dripping mouth 521, the second thread segment
522, oil duct 53, plug 54, charged piston 6, the first cylinder 61, First terrace 611, the first threaded hole 612, T-type fourth of the twelve Earthly Branches slot
613, the second cylinder 62.
Fig. 1 to Fig. 9 is structural schematic diagram of the invention, as shown, one kind of the invention can show the increasing of piston stroke
Compressing cylinder, inlet connector 1 and flowline connection to subsea 3 including being divided into 2 both ends of cylinder body, and it is set to 1 He of inlet connector
Charged piston 6 between flowline connection to subsea 3 is equipped with the first cavity 21, charged piston 6 between charged piston 6 and inlet connector 1
Third cavity 23 is equipped between flowline connection to subsea 3；Charged piston 6 includes setting from inlet connector 1 to 3 direction of flowline connection to subsea
The first cylinder 61 and the second cylinder 62 set, the outer diameter of the first cylinder 61 are greater than the outer diameter of the second cylinder 62；Cylinder body 2 is equipped with limit
Make the second step face 24 that the first cylinder 61 enters third cavity 23, the first cylinder 61 is equipped with opposite with second step face 24 the
One step surface 611 is equipped with the second cavity 22 between First terrace 611 and second step face 24；Cylinder body 2 is provided with connection second
Cavity 22 and extraneous slideway 4, charged piston 6 are equipped with the pin 5 for stretching out slideway 4.Charged piston 6 in the process of moving can
Synchronous drive pin 5 is mobile, and slideway 4 possesses the movement that enough length is pin 5 and provides length space；Pin 5 is as observation
The mobile object of reference of charged piston 6, slideway 4 can be as the channel of blowdown and ventilation.The working principle of pressurizing cylinder of the present invention is:
When hydraulic oil of first cavity 21 into lower pressure, third cavity 23 can export higher oil pressure, and amplification factor is by increasing
6 both ends area ratio of piston is pressed to determine.Second cavity 22 is communicated with the atmosphere by slideway 4, and it is mobile to be conducive to piston.In charged piston 6
Upper fixator pins 5, the distance which moves in the slideway 4 of cylinder body 2 correspond to the stroke of charged piston 6.Present invention operation
Steadily, oil seal performance is good, has addition lubricating oil and self-cleaning function.
In embodiment 1, as shown in Fig. 2, pin 5 is vertical at the second cylinder 62, slideway 4 is set to 22 place of the second cavity
The inner wall of cylinder body 2, pin 5 are always positioned in the second cavity 22.
In embodiment 2, as shown in figure 3, slideway 4 includes being set to the long waist blind hole 41 that 2 outer wall of cylinder body is set in blind hole, with
And it is parallel to charged piston 6 and is opened on the through hole 42 in second step face 24；Long waist blind hole 41 is located at the outer of third cavity 23
It encloses, through hole 42 is connected to long waist blind hole 41；Pin 5 include be connected in First terrace 611 and gap sliding be disposed through in hole 42
Cross bar 51, and be connected in cross bar 51 one end and gap be set to long waist blind hole 41 in vertical pole 52.Embodiment 2 is better than embodiment
1 place is that First terrace 611 can touch second step face 24, increases the stroke of charged piston 6 as much as possible.The
Gas exchanges are completed in the gap and long waist blind hole 41 passed through between cross bar 51 and through hole 42 between two cavitys 22 and atmosphere.
Extraneous rubbish can fall into long waist blind hole 41 first, without falling directly into the second cavity 22 as embodiment 1.
As shown in Fig. 6,7 and Fig. 8, above-mentioned cross bar 51 is equipped with the first oil dripping mouth in the one end being located in the second cavity 22
511, the upper end of vertical pole 52 is equipped with the second oil dripping mouth 521, is equipped with oil duct 53 between 511 to the second oil dripping mouth 521 of the first oil dripping mouth；
Second oil dripping mouth 521 is plugged with the plug 54 for blocking oil duct 53.It, only need to be toward the if to add lubricating oil to charged piston 6
Two oil dripping mouths 521 filling lubricating oil can be such that lubricating oil flows into the second cavity 22 by oil duct 53 and the first oil dripping mouth 511.Plug
Son 54 can prevent the air in the second cavity 22 from entering atmosphere by oil duct 53.It, only need to will be high when needing to clean the second cavity 22
Press cleaning solution from the second oil dripping mouth 521 injection oil duct 53, sewage can flow out in the gap between cross bar 51 and through hole 42.
During equipment is run, extra greasy dirt also can flow to long waist blind hole 41 in the gap between cross bar 51 and through hole 42
In, facilitate staff to carry out cleaning from outside.
The opening direction of the first above-mentioned oil dripping mouth 511 is towards the second cylinder 62；The opening direction of second oil dripping mouth 521
For away from the second cylinder 62.
Above-mentioned vertical pole 52 includes the second thread segment 522 positioned at 521 opposite end of the second oil dripping mouth, cross bar 51 include with
Second threaded hole 513 of 522 screw thread of the second thread segment mating.The mating of 52 screw thread of vertical pole is equipped with that in one end of cross bar 51, inside
The channel of this connection, finally constitutes oil duct 53.
As shown in figure 4, above-mentioned cross bar 51 includes the first thread segment 512 positioned at 513 opposite end of the second threaded hole；The
One step surface 611 is equipped with the first threaded hole 612 being coupled with 512 screw thread of the first thread segment.Vertical pole 52 is limited to long waist blind hole 41
It is avoided that cross bar 51 rotates.
Embodiment 3 and the distinctive points of embodiment 2 are: as shown in figure 9, cross bar 51 includes being located at 513 phase of the second threaded hole
The T-type tenon portion of anti-one end, First terrace 611 are equipped with the T-type fourth of the twelve Earthly Branches slot 613 with 514 clearance sliding fit of T-type tenon portion, T-type fourth of the twelve Earthly Branches slot
613 is in a ring and coaxial with charged piston 6.Charged piston 6 is possible to that spinning can be generated in the process of moving, if cross bar
51 are fixed on First terrace 611, then are easy to break cross bar 51, and the sliding of the gap of T-type fourth of the twelve Earthly Branches slot 613 and T-type tenon portion 514 is matched
Closing structure can make to produce relative sliding between charged piston 6 and cross bar 51, to neither influence sliding axially for cross bar 51, and energy
Cross bar 51 is broken during avoiding charged piston 6 from generating spin.
The outer wall of the cross bar 51 of embodiment 2 and embodiment 3 and the inner wall of through hole 42 are polygon, to avoid cross bar 51
Generate spinning；As shown in Fig. 5,6 and Fig. 9, through hole 42 is higher than the bottom of long waist blind hole 41, excludes from the second cavity 22
Greasy dirt can be deposited on the bottom of long waist blind hole 41, and staff is facilitated to clear up；Furthermore the extraneous rubbish for falling into long waist blind hole 41
It can be deposited on the bottom of long waist blind hole 41, avoid rubbish from further passing through through hole 42 and enter the second cavity 22.
Highly preferred embodiment of the present invention has illustrated, and the various change or remodeling made by those of ordinary skill in the art are not
It can depart from the scope of the present invention.
Claims (9)
1. one kind can show the pressurizing cylinder of piston stroke, including being divided into the inlet connector (1) at cylinder body (2) both ends and going out
Oil connection (3), and the charged piston (6) being set between inlet connector (1) and flowline connection to subsea (3), it is characterized in that: institute
Between the charged piston (6) stated and the inlet connector (1) be equipped with the first cavity (21), the charged piston (6) and
Third cavity (23) are equipped between the flowline connection to subsea (3)；The charged piston (6) includes from inlet connector (1)
The first cylinder (61) and the second cylinder (62) being arranged to flowline connection to subsea (3) direction, the outer diameter of first cylinder (61)
Greater than the outer diameter of the second cylinder (62)；The cylinder body (2) is equipped with limitation the first cylinder (61) and enters third cavity (23)
Second step face (24), first cylinder (61) are equipped with the First terrace opposite with the second step face (24)
(611), the second cavity (22) are equipped between the First terrace (611) and the second step face (24)；Described
Cylinder body (2) is provided with the slideway (4) of connection second cavity (22) and the external world, and the charged piston (6), which is equipped with, to be stretched out
The pin (5) of the slideway (4).
2. one kind according to claim 1 can show the pressurizing cylinder of piston stroke, it is characterized in that: the pin (5)
It is vertical at second cylinder (62), the slideway (4) is set to the cylinder body (2) where second cavity (22)
Inner wall.
3. one kind according to claim 1 can show the pressurizing cylinder of piston stroke, it is characterized in that: the slideway (4)
The long waist blind hole (41) of described cylinder body (2) outer wall is set in blind hole including being set to, and is parallel to the charged piston
(6) and it is opened on the through hole (42) in the second step face (24)；The long waist blind hole (41) is located at the third
The periphery of cavity (23), the through hole (42) the connection long waist blind hole (41)；The pin (5) includes being connected in institute
The cross bar (51) of the First terrace (611) stated and gap sliding in the through hole (42), and it is connected in cross bar
(51) one end and gap is set to the vertical pole (52) in long waist blind hole (41).
4. one kind according to claim 3 can show the pressurizing cylinder of piston stroke, it is characterized in that: the cross bar (51)
It is equipped with the first oil dripping mouth (511) in the one end being located in second cavity (22), the upper end of the vertical pole (52) is equipped with
Second oil dripping mouth (521), the first oil dripping mouth (511) are equipped with oil duct (53) between the second oil dripping mouth (521)；Described
Second oil dripping mouth (521) is plugged with the plug (54) for blocking oil duct (53).
5. one kind according to claim 4 can show the pressurizing cylinder of piston stroke, it is characterized in that: first oil dripping
The opening direction of mouth (511) is towards second cylinder (62)；The opening direction of the second oil dripping mouth (521) is back
From second cylinder (62).
6. one kind according to claim 5 can show the pressurizing cylinder of piston stroke, it is characterized in that: the vertical pole (52)
The second thread segment (522) including being located at second described oil dripping mouth (521) opposite end, the cross bar (51) include and institute
The second threaded hole (513) for the second thread segment (522) screw thread mating stated.
7. one kind according to claim 6 can show the pressurizing cylinder of piston stroke, it is characterized in that: the cross bar (51)
The first thread segment (512) including being located at described the second threaded hole (513) opposite end；The First terrace (611)
Equipped with the first threaded hole (612) with the first thread segment (512) screw thread mating.
8. one kind according to claim 6 can show the pressurizing cylinder of piston stroke, it is characterized in that: the cross bar (51)
T-type tenon portion including being located at described the second threaded hole (513) opposite end, the First terrace (611) are equipped with and institute
The T-type fourth of the twelve Earthly Branches slot (613) of T-type tenon portion (514) clearance sliding fit stated, the T-type fourth of the twelve Earthly Branches slot (613) in a ring and with it is described
Charged piston (6) is coaxial.
9. can show the pressurizing cylinder of piston stroke, feature according to one kind described in claim 7 or 8 any claims
Be: the inner wall of the outer wall of the cross bar (51) and the through hole (42) is polygon；The through hole (42) is higher than
The bottom of the long waist blind hole (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811634657.8A CN109505821A (en) | 2018-12-29 | 2018-12-29 | A kind of pressurizing cylinder showing piston stroke |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811634657.8A CN109505821A (en) | 2018-12-29 | 2018-12-29 | A kind of pressurizing cylinder showing piston stroke |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109505821A true CN109505821A (en) | 2019-03-22 |
Family
ID=65756978
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811634657.8A Pending CN109505821A (en) | 2018-12-29 | 2018-12-29 | A kind of pressurizing cylinder showing piston stroke |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109505821A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03125904U (en) * | 1990-03-30 | 1991-12-19 | ||
| CN202251221U (en) * | 2011-10-13 | 2012-05-30 | 成都飞创科技有限公司 | Hydraulic piston device |
| US20120180654A1 (en) * | 2009-11-23 | 2012-07-19 | Numatics, Incorporated | Piston and Cylinder Assembly with an Indicator Pin Device |
| CN205136229U (en) * | 2015-11-25 | 2016-04-06 | 上海神开石油化工装备股份有限公司 | Structure is instructed to piston stroke |
| CN205298095U (en) * | 2015-12-25 | 2016-06-08 | 青岛岩康塑料机械有限公司 | Supercharged oil cylinder |
| CN205478646U (en) * | 2016-02-04 | 2016-08-17 | 新疆城轩高新材料有限公司 | Formula hydro -cylinder directly perceived |
| CN106837921A (en) * | 2017-03-29 | 2017-06-13 | 江苏恒立液压股份有限公司 | Pressurizing cylinder |
| CN209324780U (en) * | 2018-12-29 | 2019-08-30 | 宁波市海达塑料机械有限公司 | A kind of pressurizing cylinder showing piston stroke |
-
2018
- 2018-12-29 CN CN201811634657.8A patent/CN109505821A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03125904U (en) * | 1990-03-30 | 1991-12-19 | ||
| US20120180654A1 (en) * | 2009-11-23 | 2012-07-19 | Numatics, Incorporated | Piston and Cylinder Assembly with an Indicator Pin Device |
| CN202251221U (en) * | 2011-10-13 | 2012-05-30 | 成都飞创科技有限公司 | Hydraulic piston device |
| CN205136229U (en) * | 2015-11-25 | 2016-04-06 | 上海神开石油化工装备股份有限公司 | Structure is instructed to piston stroke |
| CN205298095U (en) * | 2015-12-25 | 2016-06-08 | 青岛岩康塑料机械有限公司 | Supercharged oil cylinder |
| CN205478646U (en) * | 2016-02-04 | 2016-08-17 | 新疆城轩高新材料有限公司 | Formula hydro -cylinder directly perceived |
| CN106837921A (en) * | 2017-03-29 | 2017-06-13 | 江苏恒立液压股份有限公司 | Pressurizing cylinder |
| CN209324780U (en) * | 2018-12-29 | 2019-08-30 | 宁波市海达塑料机械有限公司 | A kind of pressurizing cylinder showing piston stroke |
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