CN109595218A - A kind of multi-parallel oil cylinder and its application method - Google Patents
A kind of multi-parallel oil cylinder and its application method Download PDFInfo
- Publication number
- CN109595218A CN109595218A CN201910006155.9A CN201910006155A CN109595218A CN 109595218 A CN109595218 A CN 109595218A CN 201910006155 A CN201910006155 A CN 201910006155A CN 109595218 A CN109595218 A CN 109595218A
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- piston
- cylinder body
- oil
- piston bar
- cylinder
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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
- F15B15/1404—Characterised by the construction of the motor unit of the straight-cylinder type in clusters, e.g. multiple cylinders in one block
-
- 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
- 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)
- Actuator (AREA)
Abstract
The present invention discloses a kind of multi-parallel oil cylinder and its application method, including the first cylinder body, and the first oil pocket is equipped in the first cylinder body, and sealing is equipped with first piston in the first oil pocket, is fixed with the second cylinder body at the top of first piston.The second oil pocket is equipped in second cylinder body, sealing is equipped with second piston in the second oil pocket, is fixed with third cylinder body at the top of second piston.Third oil pocket is equipped in third cylinder body, sealing is equipped with third piston in third oil pocket, and third top land is fixed with First piston bar.Front end housing upper end is fixed with the extensible member of array distribution, and extensible member includes first sleeve, second sleeve and second piston bar, and First piston bar and second piston bar are equipped with connecting bracket.The present invention is equipped with the first cylinder body, the second cylinder body, third cylinder body and First piston bar, by the sealing cooperation between adjacent parts, in the case where not changing oil cylinder overall volume, the whole stroke length of piston rod is greatly increased, easy to use and small volume, it is practical.
Description
Technical field
The present invention relates to a kind of oil cylinder, particularly a kind of multi-parallel oil cylinder and its application method.
Background technique
Hydraulic cylinder is the hydraulic execution that hydraulic energy is changed into mechanical energy, does straight reciprocating motion (or pendulum motion)
Element.Its structure is simple, reliable operation.Deceleration device when realizing reciprocating motion, can be removed from it, and without between transmission
Gap, movement is steady, therefore is used widely in the hydraulic system of various machinery.
In the prior art, oil cylinder mainly includes cylinder body and is located at the intracavitary piston rod of cylinder piston, promotes length
It is substantially equivalent with cylinder piston cavity length, when the length for needing to promote is longer, then need the cylinder body of corresponding length to realize, body
Product is huge.Meanwhile when piston rod stroke is longer, the balance and stability of piston rod not can guarantee, and be easy to produce shaking.
Summary of the invention
The purpose of the present invention is to provide a kind of multi-parallel oil cylinder and its application method, the present invention is equipped with the first cylinder body, the
Two cylinder bodies, third cylinder body and First piston bar are cooperated by the sealing between adjacent parts, are not changing oil cylinder overall volume
In the case of, the whole stroke length of piston rod is greatly increased, easy to use and small volume is practical.
The purpose of the present invention can be achieved through the following technical solutions:
A kind of multi-parallel oil cylinder, including the first cylinder body, first cylinder body bottom end are equipped with back cylinder cover, are equipped in the first cylinder body
First oil pocket, the interior sealing of the first oil pocket are equipped with first piston, are fixed with the second cylinder body at the top of first piston.
It is equipped with the second oil pocket in second cylinder body, is sealed in the second oil pocket and is equipped with second piston, it is solid at the top of second piston
Surely there is third cylinder body.
Third oil pocket is equipped in the third cylinder body, sealing is equipped with third piston in third oil pocket, and third top land is solid
Surely there is First piston bar.
It is fixed with front end housing at the top of first cylinder body, front end housing upper end is fixed with the extensible member of array distribution.
The extensible member includes the first sleeve for being fixed on front end housing upper end, and first is provided with inside first sleeve and runs through chamber,
It is equipped with first annular step at the top of first sleeve, is movably equipped with second sleeve in first annular step.
The second sleeve bottom end is equipped with and the first annular limit plate that mutually abuts of first annular step, in second sleeve
Portion is provided with second and is equipped with the second ring-shaped step at the top of chamber, second sleeve, is movably equipped with second piston in the second ring-shaped step
Bar.
The second annular stop plate that the second piston bar bottom end is equipped with and the second ring-shaped step mutually abuts.
The First piston bar and second piston bar are equipped with connecting bracket.
Further, sealing ring is equipped between first cylinder body and back cylinder cover, back cylinder cover side is provided with oil nozzle, oil nozzle and
The connection setting of first cylinder body, oil nozzle one end is connected with oil pump.
Further, the first through hole that second cylinder body and the first cylinder body top open up is gap-matched；
The second through hole opened up at the top of the third cylinder body and the second cylinder body is gap-matched；
The third through hole opened up at the top of the First piston bar and third cylinder body is gap-matched.
Further, the inner hole that first cylinder body and front end housing center open up is gap-matched, front end housing and
Stud is equipped between back cylinder cover.
Further, the connecting bracket center, which is provided with, buckles mutually matched first connecting hole with first annular,
Connecting bracket surrounding position, which is provided with, buckles mutually matched second connecting hole with the second annular.
Further, the 5 upper end side of First piston bar is provided with first annular buckle, and second piston bar upper end side is opened
There is the second annular buckle.
A kind of application method of multi-parallel oil cylinder, the application method are as follows:
One, start the oil pump of oil nozzle one end, oil nozzle oil inlet, hydraulic oil drives first piston along the first oil pocket, the simultaneously
Two pistons are moved up along the second oil pocket, third piston along third oil pocket, meanwhile, be located at first piston, second piston and
Gas above third piston is between gap, third cylinder body and the second through hole between First piston bar and third through hole
Gap and the second cylinder body and the first through hole between gap discharge, until first piston and the first oil pocket inner roof wall, the
Two pistons are bonded to each other with the second oil pocket inner roof wall and third piston with third oil pocket inner roof wall；
Two, third piston, which moves up, drives First piston bar while move up, the company being arranged in First piston bar
It connects the second piston bar that bracket drives and the second connecting hole cooperates to move up, while second piston bar moves up, stretch
Part whole height increases, and when in use, first annular limit plate is always below first annular step, the second annular stop plate beginning
Eventually below the second ring-shaped step, and second piston bar does not depart from second sleeve, second sleeve does not depart from first sleeve, until the
One annular stop plate and first annular step are bonded to each other, the second annular stop plate and the second ring-shaped step are bonded to each other；
Three, after the completion of use, oil pump is driven, oil pump oil inlet, oil nozzle is fuel-displaced, manually by the second cylinder body, third cylinder body and the
One piston rod is reset to the bottom of the first oil pocket.
Beneficial effects of the present invention:
1, the present invention is equipped with the first cylinder body, the second cylinder body, third cylinder body and First piston bar, by between adjacent parts
Sealing cooperation, in the case where not changing oil cylinder overall volume, greatly increases the whole stroke length of piston rod, user
Just and small volume, practical；
2, the present invention is equipped with the extensible member to play a supportive role, and connecting bracket is equipped between extensible member and First piston bar,
When the first piston throw of lever is larger, extensible member and connecting bracket can guarantee the balance and stability of First piston bar, make
It is not likely to produce shaking.
Detailed description of the invention
The present invention will be further described below with reference to the drawings.
Fig. 1 is overall structure of the present invention；
Fig. 2 is overall structure schematic cross-sectional view of the present invention；
Fig. 3 is overall structure schematic cross-sectional view of the present invention；
Fig. 4 is extensible member explosive mechanisms schematic diagram of the present invention；
Fig. 5 is contracting part explosive mechanisms schematic cross-sectional view of the invention；
Fig. 6 is connecting frame structure schematic diagram of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts all other
Embodiment shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that, term " aperture ", "upper", "lower", " thickness ", "top", " in ",
Indicating positions or the positional relationship such as " length ", "inner", " surrounding ", are merely for convenience of description of the present invention and simplification of the description, without
It is that the component of indication or suggestion meaning or element must have a particular orientation, is constructed and operated in a specific orientation, therefore not
It can be interpreted as limitation of the present invention.
A kind of multi-parallel oil cylinder, as shown in Figure 1, include the first cylinder body 1,1 bottom end of the first cylinder body be equipped with back cylinder cover 2, first
Sealing ring is equipped between cylinder body 1 and back cylinder cover 2,2 side of back cylinder cover is provided with oil nozzle 21, and oil nozzle 21 is connected to setting with the first cylinder body 1,
21 one end of oil nozzle is connected with oil pump.
As shown in Figures 2 and 3, the first oil pocket 11 is equipped in the first cylinder body 1, sealing is equipped with first piston in the first oil pocket 11
12, the second cylinder body 3 is fixed at the top of first piston 12, and the first through hole 13 opened up at the top of the second cylinder body 3 and the first cylinder body 1 is adopted
Use clearance fit；
The second oil pocket 31 is equipped in second cylinder body 3, sealing is equipped with second piston 32 in the second oil pocket 31, and second piston 32 is pushed up
Portion is fixed with third cylinder body 4, and the second through hole 33 opened up at the top of third cylinder body 4 and the second cylinder body 3 is gap-matched；
Third oil pocket 41 is equipped in third cylinder body 4, sealing is equipped with third piston 42 in third oil pocket 41, and third piston 42 pushes up
Portion is fixed with First piston bar 5, and the third through hole 43 opened up at the top of First piston bar 5 and third cylinder body 4 is gap-matched.
5 upper end side of First piston bar is provided with first annular buckle 51.
As illustrated in fig. 1 and 2, front end housing 6 is fixed at the top of the first cylinder body 1, the first cylinder body 1 and 6 center of front end housing are opened
If inner hole be gap-matched, between front end housing 6 and back cylinder cover 2 be equipped with stud, ensure that front end housing 6 and back cylinder cover 2
Between tightness.
As shown in Figure 1,6 upper end of front end housing is fixed with the extensible member 7 of array distribution, extensible member 7 plays a supportive role.Such as Fig. 4
Shown in 5, extensible member 7 includes the first sleeve 71 for being fixed on 6 upper end of front end housing, and first is provided with inside first sleeve 71 through chamber
7101, it is equipped with first annular step 7102 at the top of first sleeve 71, is movably equipped with second sleeve 72 in first annular step 7102；
The first annular limit plate 7201 that 72 bottom end of second sleeve is equipped with and first annular step 7102 mutually abuts, second
It is provided with second inside sleeve 72 and is equipped with the second ring-shaped step 7203, the second ring-shaped step at the top of chamber 7202, second sleeve 72
Second piston bar 73 is movably equipped in 7203；
The second annular stop plate 7301 that 73 bottom end of second piston bar is equipped with and the second ring-shaped step 7203 mutually abuts, the
Two piston rods, 73 upper end side is provided with the second annular buckle 7302.
When in use, first annular limit plate 7201 is always below first annular step 7102, the second annular stop plate
7301 always below the second ring-shaped step 7203, and second piston bar 73 does not depart from second sleeve 72, second sleeve 72 does not take off
From first sleeve 71.
As shown in figs. 1 and 6, First piston bar 5 and second piston bar 73 are equipped with connecting bracket 8,8 centre bit of connecting bracket
It sets to be provided with and be provided with and the second annular with 51 mutually matched first connecting holes 81 of first annular buckle, 8 surrounding position of connecting bracket
Buckle 7302 mutually matched second connecting holes 82.
A kind of application method of multi-parallel oil cylinder, the application method are as follows:
One, start the oil pump of 21 one end of oil nozzle, 21 oil inlet of oil nozzle, hydraulic oil drives first piston 12 along the first oil simultaneously
Chamber 11, second piston 32 are moved up along the second oil pocket 31, third piston 42 along third oil pocket 41, meanwhile, it is located at first
Gap of the gas of piston 12, second piston 32 and the top of third piston 42 between First piston bar 5 and third through hole 43,
Gap discharge between gap and the second cylinder body 3 and the first through hole 13 between third cylinder body 4 and the second through hole 33, directly
To 11 inner roof wall of first piston 12 and the first oil pocket, second piston 32 and 31 inner roof wall of the second oil pocket and third piston 42 and
Three oil pockets, 41 inner roof wall is bonded to each other, as shown in Figure 3；
Two, third piston 42, which moves up, drives First piston bar 5 while move up, and is arranged in First piston bar 5
Connecting bracket 8 drive and the second connecting hole 82 cooperation second piston bar 73 move up, second piston bar 73 moves up
While, 7 whole height of extensible member increases, and when in use, first annular limit plate 7201 is always in first annular step 7102
Lower section, the second annular stop plate 7301 are always below the second ring-shaped step 7203, and second piston bar 73 does not depart from second set
Cylinder 72, second sleeve 72 do not depart from first sleeve 71, until first annular limit plate 7201 and first annular step 7102 are mutual
Fitting, the second annular stop plate 7301 and the second ring-shaped step 7203 are bonded to each other, and it is increased to realize 5 stroke of First piston bar
Purpose, meanwhile, the whole height of oil cylinder is shortened, the volume of oil cylinder is reduced；
Three, after the completion of use, oil pump is driven, oil pump oil inlet, oil nozzle 21 is fuel-displaced, manually by the second cylinder body 3, third cylinder body 4
The bottom of the first oil pocket 11 is reset to First piston bar 5, as shown in Figure 2.
In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means
Particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one implementation of the invention
In example or example.In the present specification, schematic expression of the above terms may not refer to the same embodiment or example.
Moreover, particular features, structures, materials, or characteristics described can be in any one or more of the embodiments or examples to close
Suitable mode combines.
The basic principles, main features and advantages of the present invention have been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.
Claims (7)
1. a kind of multi-parallel oil cylinder, including the first cylinder body (1), which is characterized in that the first cylinder body (1) bottom end is equipped with back cylinder cover
(2), the first oil pocket (11) are equipped in the first cylinder body (1), sealing is equipped with first piston (12) in the first oil pocket (11), first piston
(12) top is fixed with the second cylinder body (3)；
The second oil pocket (31) are equipped in second cylinder body (3), sealing is equipped with second piston (32) in the second oil pocket (31), and second
Third cylinder body (4) are fixed at the top of piston (32)；
Third oil pocket (41) are equipped in the third cylinder body (4), sealing is equipped with third piston (42) in third oil pocket (41), third
First piston bar (5) are fixed at the top of piston (42)；
It is fixed with front end housing (6) at the top of first cylinder body (1), front end housing (6) upper end is fixed with the extensible member of array distribution
(7)；
The extensible member (7) includes being fixed on the first sleeve (71) of front end housing (6) upper end, and the is provided with inside first sleeve (71)
Consistent transluminal (7101), first sleeve (71) top is equipped with first annular step (7102), living in first annular step (7102)
It is dynamic to be equipped with second sleeve (72)；
The first annular limit plate that second sleeve (72) bottom end is equipped with and first annular step (7102) mutually abut
(7201), it is provided with second inside second sleeve (72) and is equipped with the second ring-shaped step at the top of chamber (7202), second sleeve (72)
(7203), second piston bar (73) are movably equipped in the second ring-shaped step (7203)；
The second annular stop plate that second piston bar (73) bottom end is equipped with and the second ring-shaped step (7203) mutually abut
(7301)；
The First piston bar (5) and second piston bar (73) are equipped with connecting bracket (8).
2. a kind of multi-parallel oil cylinder according to claim 1, which is characterized in that first cylinder body (1) and back cylinder cover (2)
Between be equipped with sealing ring, back cylinder cover (2) side is provided with oil nozzle (21), and oil nozzle (21) is connected to setting, oil nozzle with the first cylinder body (1)
(21) one end is connected with oil pump.
3. a kind of multi-parallel oil cylinder according to claim 1, which is characterized in that second cylinder body (3) and the first cylinder body
(1) the first through hole (13) that top opens up is gap-matched；
The second through hole (33) opened up at the top of the third cylinder body (4) and the second cylinder body (3) is gap-matched；
The third through hole (43) opened up at the top of the First piston bar (5) and third cylinder body (4) is gap-matched.
4. a kind of multi-parallel oil cylinder according to claim 1, which is characterized in that first cylinder body (1) and front end housing (6)
The inner hole that center opens up is gap-matched, and stud is equipped between front end housing (6) and back cylinder cover (2).
5. a kind of multi-parallel oil cylinder according to claim 1, which is characterized in that open connecting bracket (8) center
Have with first annular mutually matched first connecting hole (81) of buckle (51), connecting bracket (8) surrounding position is provided with and the second ring
Shape buckles (7302) mutually matched second connecting hole (82).
6. a kind of multi-parallel oil cylinder according to claim 1, which is characterized in that open the 5 upper end side of First piston bar
There is first annular buckle (51), second piston bar (73) upper end side is provided with the second annular buckle (7302).
7. a kind of application method of multi-parallel oil cylinder, the application method are as follows:
One, start the oil pump of oil nozzle (21) one end, oil nozzle (21) oil inlet, hydraulic oil drives first piston (12) along first simultaneously
Oil pocket (11), second piston (32) are moved up along the second oil pocket (31), third piston (42) along third oil pocket (41), together
When, it is located at first piston (12), the gas above second piston (32) and third piston (42) from First piston bar (5) and third
Gap, third cylinder body (4) between through hole (43) and the gap between the second through hole (33) and the second cylinder body (3) and the
Gap discharge between pass through aperture (13), until first piston (12) and the first oil pocket (11) inner roof wall, second piston (32)
It is bonded to each other with the second oil pocket (31) inner roof wall and third piston (42) with third oil pocket (41) inner roof wall；
Two, third piston (42), which moves up, drives First piston bar (5) while move up, and First piston bar is set on (5)
The connecting bracket (8) set drives and the second piston bar (73) of the second connecting hole (82) cooperation moves up, second piston bar
(73) while moving up, extensible member (7) whole height increases, and when in use, first annular limit plate (7201) exists always
Below first annular step (7102), the second annular stop plate (7301) always below the second ring-shaped step (7203), and the
Two piston rods (73) do not depart from second sleeve (72), second sleeve (72) does not depart from first sleeve (71), until first annular limit
Position plate (7201) and first annular step (7102) be bonded to each other, the second annular stop plate (7301) and the second ring-shaped step
(7203) it is bonded to each other；
Three, after the completion of use, oil pump is driven, oil pump oil inlet, oil nozzle (21) is fuel-displaced, manually by the second cylinder body (3), third cylinder body
(4) and First piston bar (5) is reset to the bottoms of the first oil pocket (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910006155.9A CN109595218A (en) | 2019-01-04 | 2019-01-04 | A kind of multi-parallel oil cylinder and its application method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910006155.9A CN109595218A (en) | 2019-01-04 | 2019-01-04 | A kind of multi-parallel oil cylinder and its application method |
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| Publication Number | Publication Date |
|---|---|
| CN109595218A true CN109595218A (en) | 2019-04-09 |
Family
ID=65964970
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910006155.9A Pending CN109595218A (en) | 2019-01-04 | 2019-01-04 | A kind of multi-parallel oil cylinder and its application method |
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| Country | Link |
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Cited By (2)
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| CN110966282A (en) * | 2019-12-31 | 2020-04-07 | 巢湖市金辉自控设备有限公司 | Compensation oil cylinder for bending machine machining |
| CN114412874A (en) * | 2022-01-26 | 2022-04-29 | 江苏三立液压机械有限公司 | Oil cylinder assembly with multi-angle adjusting mechanism |
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| CN110966282A (en) * | 2019-12-31 | 2020-04-07 | 巢湖市金辉自控设备有限公司 | Compensation oil cylinder for bending machine machining |
| CN114412874A (en) * | 2022-01-26 | 2022-04-29 | 江苏三立液压机械有限公司 | Oil cylinder assembly with multi-angle adjusting mechanism |
| CN114412874B (en) * | 2022-01-26 | 2022-11-08 | 江苏三立液压机械有限公司 | Oil cylinder assembly with multi-angle adjusting mechanism |
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Application publication date: 20190409 |
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