CN107152432A - Spacer type hydraulic synchronous oil cylinder - Google Patents
Spacer type hydraulic synchronous oil cylinder Download PDFInfo
- Publication number
- CN107152432A CN107152432A CN201710600477.7A CN201710600477A CN107152432A CN 107152432 A CN107152432 A CN 107152432A CN 201710600477 A CN201710600477 A CN 201710600477A CN 107152432 A CN107152432 A CN 107152432A
- Authority
- CN
- China
- Prior art keywords
- spacer
- type hydraulic
- cylinder body
- outer cylinder
- oil cylinder
- 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
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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
-
- 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
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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 invention provides a kind of spacer type hydraulic synchronous oil cylinder, it includes outer cylinder body, piston rod, end cap, multiple positioning sleeves, multiple pistons and multiple spacers, wherein, the piston rod is applied in the outer cylinder body, the spacer and the positioning sleeve are arranged in the outer cylinder body spaced reciprocally, and the spacer is set between the piston rod and the outer cylinder body, the piston is set between the correspondence positioning sleeve and the piston rod, forms synchronous fuel tank；The two ends of the outer cylinder body are compacted the positioning sleeve and the spacer by end cap.Spacer type hydraulic synchronous oil cylinder of the present invention simplifies structure and installation, reduces processing and installs cost of manufacture, so as to accelerate product process flow.
Description
Technical field
The present invention relates to hydraulic jack field, more particularly to a kind of spacer type hydraulic synchronous oil cylinder.
Background technology
Fig. 1 is the diagrammatic cross-section 1 in the internal structure horizontal direction of synchronous fuel tank in the prior art.Fig. 2 is existing skill
Diagrammatic cross-section 2 in art in the internal structure horizontal direction of synchronous fuel tank.Fig. 3 is the vertical side of synchronous fuel tank in the prior art
Upward diagrammatic cross-section.
The structure of this synchronous fuel tank is main by drive end bearing bracket 10, rear end cap 11, spacer 12 (band hydraulic fluid port on spacer), several sections of cylinders
Cylinder 13, adpting flange 14, piston 15 and piston rod 16 are constituted.Because to make screw thread on cylinder barrel 13, spacer 12 and cylinder barrel 13 it
Between need arrange seal 17, and via the adpting flange being threaded on cylinder barrel 13 with spacer 12 carry out installation fastening.
Above-mentioned this structure fabrication is complicated, and needs to process many internal threads and external screw thread.Meanwhile, the peace of this structure
Dress process is also complicated, has many places screw to need fastening, and screw easily loosens in vibrations occasion.
In addition, the shell of this structure uses sectional making, but piston rod is straight line one, is installed together to axiality
It is required that it is high, while easily producing piston rods bend stress.
Such structure has resulted in that cost is higher, and maintenance cost is also high, and market penetration rate is seriously impacted.It is segmented simultaneously
Many, external more bonding crack has the possibility of larger outward leakage.
The content of the invention
The technical problem to be solved in the present invention is the cost in order to overcome the structure fabrication of synchronous fuel tank in the prior art complicated
It is higher, and easily occur the defect such as external leakage there is provided a kind of spacer type hydraulic synchronous oil cylinder.
The present invention is to solve above-mentioned technical problem by following technical proposals：
A kind of spacer type hydraulic synchronous oil cylinder, its feature is that the spacer type hydraulic synchronous oil cylinder includes outer cylinder body, work
Stopper rod, end cap, multiple positioning sleeves, multiple pistons and multiple spacers, wherein,
The piston rod is applied in the outer cylinder body, and the spacer and the positioning sleeve are arranged on described spaced reciprocally
In outer cylinder body, and the spacer is set between the piston rod and the outer cylinder body, and it is described fixed that the piston is set in correspondence
Between position set and the piston rod, synchronous fuel tank is formed；The two ends of the outer cylinder body are compacted the positioning sleeve and institute by end cap
State spacer.
According to one embodiment of present invention, the end cap is using screw or is threaded on the outer cylinder body.
According to one embodiment of present invention, multipair circlip groove, circlip groove pair described in each pair are provided with the piston rod
Answer and a pair of card keys are set in a piston, each circlip groove.
According to one embodiment of present invention, the card key is semicircle.
According to one embodiment of present invention, the card key by card key cap anchor ear in the circlip groove.
According to one embodiment of present invention, set on the piston rod at the circlip groove and be additionally provided with circlip groove, institute
State and shaft block ring, the axial movement for fixing the card key cap are set in circlip groove.
According to one embodiment of present invention, be provided with seal between the positioning sleeve and outer cylinder body, the spacer with
Seal is also equipped between the outer cylinder body, for isolated pressure.
According to one embodiment of present invention, the connection of the end cap and the outer cylinder body, which is used, is reliably connected.
The positive effect of the present invention is：
Spacer type hydraulic synchronous oil cylinder of the present invention simplifies structure and installation, reduces processing and installs cost of manufacture, from
And accelerate product process flow.
It mainly has many advantages, such as following：
First, process simple, essence can be used to pull out steel pipe for base-material, can be used with whole long processing, cutting.
2nd, install simple, processing step is few.
3rd, easy to maintenance, outward leakage possibility greatly reduces.
4th, precision is high, does not have piston rod radial stress, reduces sealing part abrasion.
5th, the cost reduction thereby resulted in, improves industrial popularity rate, improves equipment running precision.
6th, this mechanism is relatively specific for shaking occasion because connecting link is reduced.
Brief description of the drawings
The above and other feature of the present invention, property and advantage will pass through description with reference to the accompanying drawings and examples
And become apparent, identical reference represents identical feature all the time in the accompanying drawings, wherein：
Fig. 1 is the diagrammatic cross-section 1 in the internal structure horizontal direction of synchronous fuel tank in the prior art.
Fig. 2 is the diagrammatic cross-section 2 in the internal structure horizontal direction of synchronous fuel tank in the prior art.
Fig. 3 is the diagrammatic cross-section on the vertical direction of synchronous fuel tank in the prior art.
Fig. 4 is the internal structure schematic diagram of spacer type hydraulic synchronous oil cylinder of the present invention.
Fig. 5 is the structural representation of piston rod in spacer type hydraulic synchronous oil cylinder of the present invention.
Embodiment
For the above objects, features and advantages of the present invention can be become apparent, below in conjunction with tool of the accompanying drawing to the present invention
Body embodiment elaborates.
Embodiments of the invention are described with detailed reference to accompanying drawing now.Being preferable to carry out now with detailed reference to of the invention
Example, its example is shown in the drawings.In the case of any possible, in all of the figs identical will be used to mark to represent phase
Same or similar part.Although in addition, the term used in the present invention is selected from public term, originally
Some terms mentioned in description of the invention are probably that applicant carrys out selection by his or her judgement, and its detailed meanings is at this
Explanation in the relevant portion of the description of text.In addition, it is desirable to not only by used actual terms, and be also to by each
Meaning that term is contained understands the present invention.
Fig. 4 is the internal structure schematic diagram of spacer type hydraulic synchronous oil cylinder of the present invention.Fig. 5 is that spacer type hydraulic pressure of the present invention is same
Walk the structural representation of piston rod in oil cylinder.
As shown in Figure 4 and Figure 5, the invention discloses a kind of spacer type hydraulic synchronous oil cylinder, it includes outer cylinder body 20, piston
Bar 21, end cap 22, multiple positioning sleeves 30, multiple pistons 40 and multiple spacers 50.Wherein, piston rod 21 is applied in outer cylinder body 20
Interior, spacer 50 and positioning sleeve 30 are arranged in outer cylinder body 20 spaced reciprocally, and spacer 50 is set in piston rod 21 and outer cylinder body
Between 20, piston 40 is set between corresponding positioning sleeve 30 and piston rod 21, so as to form synchronous fuel tank.
Meanwhile, positioning sleeve 30 and spacer 50 are compacted by end cap 22 at the two ends of outer cylinder body 20.Pass through all positioning sleeves
30 and spacer 50 fixed structure is compacted by the end cap 22 at two ends, can transfer the pressure on end cap 22.
Herein end cap 22 with the connection of outer cylinder body 20 preferably by being reliably connected.End cap 22 uses screw or threaded connection
On outer cylinder body 20.
Preferably, multipair circlip groove 23 is provided with piston rod 21, one piston 40 of correspondence of each pair circlip groove 23 is each
A pair of card keys 24 are set in circlip groove 23.Especially, card key 24 is set to semicircle.Card key 24 is by the anchor ear of card key cap 25 in card
In keyway 23.It can so ensure that card key 24 can not be escaped to come.
Further, set on piston rod 21 at circlip groove 23, be additionally provided with circlip groove 26, set in circlip groove 26
Shaft block ring 27, is mainly used in the axial movement of fixing card keycap 25.So piston 40 is just fixed on piston rod 21 and energy
Undertake pressure loading.
In addition, being provided with seal 60 between positioning sleeve 30 and outer cylinder body 20, also set between spacer 50 and outer cylinder body 20
Seal 80 is equipped with, pressure is mainly used for isolating.Positioning sleeve 30 and spacer 50 can float in outer cylinder body 20, by seal 80
Isolated pressure.
The manufacturing process of the spacer type hydraulic synchronous oil cylinder of said structure is more simple, installs simple.It will first can live
After plug, piston rod, spacer, positioning sleeve assembling, integral installation is entered in oil cylinder outer cylinder body, and each spacer is carried out by the end cap at two ends
Compacting.
This structure can realize scene 2 respectively, and three go out, and four the synchronizing function such as go out.The footpath value for changing positioned internal set can be with
Realization exports into fixed proportion relation.
In summary, spacer type hydraulic synchronous oil cylinder of the present invention is a kind of novel synchronous fuel tank structure, it is possible to achieve essence
True scene 2 or three goes out, and four go out hydraulic actuating mechanism synchronization, main to be processed installation using novel mechanism.The present invention every
Shell type hydraulic synchronous oil cylinder simplifies structure and installation, reduces processing and installs cost of manufacture, so as to accelerate Product Process
Flow.
It mainly has many advantages, such as following：
First, process simple, essence can be used to pull out steel pipe for base-material, can be used with whole long processing, cutting.
2nd, install simple, processing step is few.
3rd, easy to maintenance, outward leakage possibility greatly reduces.
4th, precision is high, does not have piston rod radial stress, reduces sealing part abrasion.
5th, the cost reduction thereby resulted in, improves industrial popularity rate, improves equipment running precision.
6th, this mechanism is relatively specific for shaking occasion because connecting link is reduced.
Although the foregoing describing the embodiment of the present invention, it will be appreciated by those of skill in the art that these
It is merely illustrative of, protection scope of the present invention is defined by the appended claims.Those skilled in the art is not carrying on the back
On the premise of principle and essence from the present invention, various changes or modifications can be made to these embodiments, but these are changed
Protection scope of the present invention is each fallen within modification.
Claims (8)
1. a kind of spacer type hydraulic synchronous oil cylinder, it is characterised in that the spacer type hydraulic synchronous oil cylinder includes outer cylinder body, piston
Bar, end cap, multiple positioning sleeves, multiple pistons and multiple spacers, wherein,
The piston rod is applied in the outer cylinder body, and the spacer and the positioning sleeve are arranged on the outer shell spaced reciprocally
In vivo, and the spacer is set between the piston rod and the outer cylinder body, the piston is set in the correspondence positioning sleeve
Between the piston rod, synchronous fuel tank is formed；The two ends of the outer cylinder body by end cap be compacted the positioning sleeve and it is described every
Set.
2. spacer type hydraulic synchronous oil cylinder as claimed in claim 1, it is characterised in that the end cap is connected using screw or screw thread
It is connected on the outer cylinder body.
3. spacer type hydraulic synchronous oil cylinder as claimed in claim 1, it is characterised in that multipair card is provided with the piston rod
Keyway, a pair of card keys are set described in each pair in one piston of circlip groove correspondence, each circlip groove.
4. spacer type hydraulic synchronous oil cylinder as claimed in claim 3, it is characterised in that the card key is semicircle.
5. spacer type hydraulic synchronous oil cylinder as claimed in claim 4, it is characterised in that the card key is existed by card key cap anchor ear
In the circlip groove.
6. spacer type hydraulic synchronous oil cylinder as claimed in claim 5, it is characterised in that the card key is set on the piston rod
It is additionally provided with groove in circlip groove, the circlip groove and shaft block ring is set, the axial movement for fixing the card key cap.
7. spacer type hydraulic synchronous oil cylinder as claimed in claim 1, it is characterised in that set between the positioning sleeve and outer cylinder body
Seal is equipped with, seal is also equipped between the spacer and the outer cylinder body, for isolated pressure.
8. the spacer type hydraulic synchronous oil cylinder as described in claim 1-7 any one, it is characterised in that the end cap with it is described
The connection of outer cylinder body is used and is reliably connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710600477.7A CN107152432A (en) | 2017-07-21 | 2017-07-21 | Spacer type hydraulic synchronous oil cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710600477.7A CN107152432A (en) | 2017-07-21 | 2017-07-21 | Spacer type hydraulic synchronous oil cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107152432A true CN107152432A (en) | 2017-09-12 |
Family
ID=59797254
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710600477.7A Pending CN107152432A (en) | 2017-07-21 | 2017-07-21 | Spacer type hydraulic synchronous oil cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107152432A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2061627U (en) * | 1989-07-17 | 1990-09-05 | 宋嘉蕙 | Multiple cavity oil cylinder |
| DE4108220A1 (en) * | 1991-03-14 | 1992-09-17 | Festo Kg | Piston-cylinder device for point welding appts. - has displacement cylinder and pressure cylinders arranged axially in line with common piston movement |
| DE4429255A1 (en) * | 1994-08-18 | 1996-02-29 | Bernd Steinbach | Multi=chamber cylinder with pressure and reverse pressure chambers |
| DE29610909U1 (en) * | 1996-06-21 | 1996-08-29 | Festo Kg, 73734 Esslingen | Fluid operated drive device |
| CN203627396U (en) * | 2013-12-19 | 2014-06-04 | 江苏龙城洪力液压设备有限公司 | Motor multistage synchronous cylinder |
| CN203822745U (en) * | 2014-04-29 | 2014-09-10 | 山东德方液压机械股份有限公司 | Hydraulic synchronous oil cylinder |
| CN207049110U (en) * | 2017-07-21 | 2018-02-27 | 上海振华重工(集团)股份有限公司 | Spacer type hydraulic synchronous oil cylinder |
-
2017
- 2017-07-21 CN CN201710600477.7A patent/CN107152432A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2061627U (en) * | 1989-07-17 | 1990-09-05 | 宋嘉蕙 | Multiple cavity oil cylinder |
| DE4108220A1 (en) * | 1991-03-14 | 1992-09-17 | Festo Kg | Piston-cylinder device for point welding appts. - has displacement cylinder and pressure cylinders arranged axially in line with common piston movement |
| DE4429255A1 (en) * | 1994-08-18 | 1996-02-29 | Bernd Steinbach | Multi=chamber cylinder with pressure and reverse pressure chambers |
| DE29610909U1 (en) * | 1996-06-21 | 1996-08-29 | Festo Kg, 73734 Esslingen | Fluid operated drive device |
| CN203627396U (en) * | 2013-12-19 | 2014-06-04 | 江苏龙城洪力液压设备有限公司 | Motor multistage synchronous cylinder |
| CN203822745U (en) * | 2014-04-29 | 2014-09-10 | 山东德方液压机械股份有限公司 | Hydraulic synchronous oil cylinder |
| CN207049110U (en) * | 2017-07-21 | 2018-02-27 | 上海振华重工(集团)股份有限公司 | Spacer type hydraulic synchronous oil cylinder |
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| 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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170912 |