CN207049110U - Spacer type hydraulic synchronous oil cylinder - Google Patents
Spacer type hydraulic synchronous oil cylinder Download PDFInfo
- Publication number
- CN207049110U CN207049110U CN201720890636.7U CN201720890636U CN207049110U CN 207049110 U CN207049110 U CN 207049110U CN 201720890636 U CN201720890636 U CN 201720890636U CN 207049110 U CN207049110 U CN 207049110U
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- spacer
- type hydraulic
- cylinder body
- oil cylinder
- outer cylinder
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Abstract
The utility model 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 corresponding positioning sleeve and the piston rod, forms synchronous fuel tank；The both ends of the outer cylinder body are compacted the positioning sleeve and the spacer by end cap.The utility model spacer type hydraulic synchronous oil cylinder simplifies structure and installation, reduces processing and installation cost of manufacture, so as to accelerate product process flow.
Description
Technical field
Hydraulic jack field is the utility model is related to, more particularly to a kind of spacer type hydraulic synchronous oil cylinder.
Background technology
Fig. 1 is the diagrammatic cross-section one in the internal structure horizontal direction of synchronous fuel tank in the prior art.Fig. 2 is existing skill
Diagrammatic cross-section two in art in the internal structure horizontal direction of synchronous fuel tank.Fig. 3 is the vertical of synchronous fuel tank in the prior art
Diagrammatic cross-section on direction.
The structure of this synchronous fuel tank is mainly 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 form.Because to make screw thread on cylinder barrel 13, spacer 12 and cylinder barrel 13 it
Between need to arrange seal 17, and carry out installation fastening with spacer 12 via the adpting flange being threaded on cylinder barrel 13.
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 to fasten, 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 produce 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
It is more, external more bonding crack, there is the possibility of larger outward leakage.
Utility model content
The technical problems to be solved in the utility model be in order to overcome the structure fabrication of synchronous fuel tank in the prior art complicated,
Cost is higher, and easy the defects of external leakage occurs, there is provided a kind of spacer type hydraulic synchronous oil cylinder.
The utility model is that solve above-mentioned technical problem by following technical proposals：
A kind of spacer type hydraulic synchronous oil cylinder, its feature are 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 the piston is set in corresponding described fixed
Between position set and the piston rod, synchronous fuel tank is formed；The both ends of the outer cylinder body are compacted the positioning sleeve and institute by end cap
State spacer.
According to one embodiment of the present utility model, the end cap is using screw or is threaded on the outer cylinder body.
According to one embodiment of the present utility model, multipair circlip groove, card key described in each pair are provided with the piston rod
The corresponding piston of groove, each circlip groove is interior to set a pair of card keys.
According to one embodiment of the present utility model, the card key is semicircle.
According to one embodiment of the present utility model, the card key is by card key cap anchor ear in the circlip groove.
According to one embodiment of the present utility model, set on the piston rod and be additionally provided with back-up ring at the circlip groove
Groove, the circlip groove is interior to set shaft block ring, for fixing the axial movement of the card key cap.
According to one embodiment of the present utility model, be provided with seal between the positioning sleeve and outer cylinder body, it is described every
Seal is also equipped between set and the outer cylinder body, for isolated pressure.
According to one embodiment of the present utility model, the connection of the end cap and the outer cylinder body, which uses, to be reliably connected.
Positive effect of the present utility model is：
The utility model spacer type hydraulic synchronous oil cylinder simplifies structure and installation, reduces processing and installation and is fabricated to
This, so as to accelerate product process flow.
It mainly has many advantages, such as following：
First, processing is simple, and essence can be used to pull out steel pipe as base-material, can be used with whole long processing, cutting.
2nd, installation is simple, and 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 thereby resulted in reduces, and 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 utility model, property and advantage are by by with reference to the accompanying drawings and examples
Describing and become apparent, identical reference represents identical feature all the time in the accompanying drawings, wherein：
Fig. 1 is the diagrammatic cross-section one in the internal structure horizontal direction of synchronous fuel tank in the prior art.
Fig. 2 is the diagrammatic cross-section two 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 the utility model spacer type hydraulic synchronous oil cylinder.
Fig. 5 is the structural representation of piston rod in the utility model spacer type hydraulic synchronous oil cylinder.
Embodiment
For above-mentioned purpose of the present utility model, feature and advantage can be become apparent, below in conjunction with accompanying drawing to this practicality
New embodiment elaborates.
Embodiment of the present utility model is described with detailed reference to accompanying drawing now.Now with detailed reference to of the present utility model excellent
Embodiment is selected, its example is shown in the drawings.In the case of any possible, it will be marked and using identical in all of the figs
Represent same or analogous part.In addition, although the term used in the utility model is selected from public term
Select, but some terms mentioned in the utility model specification are probably applicant to be selected by his or her judgement
, its detailed meanings illustrates in the relevant portion of description herein.In addition, it is desirable to not only by used actual art
Language, and the meaning that is also to be contained by each term understands the utility model.
Fig. 4 is the internal structure schematic diagram of the utility model spacer type hydraulic synchronous oil cylinder.Fig. 5 is the utility model spacer
The structural representation of piston rod in formula hydraulic synchronous oil cylinder.
As shown in Figure 4 and Figure 5, the utility model discloses a kind of spacer type hydraulic synchronous oil cylinder, it include outer cylinder body 20,
Piston rod 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
In 20, 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 shell
Between body 20, by piston 40 be set in corresponding between 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 both 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 both 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, the corresponding piston 40 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 arranged 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, it is mainly used in the axial movement of fixing card keycap 25.So piston 40 is just fixed on piston rod 21 simultaneously 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, is mainly used for isolating pressure.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, simple to install.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 both 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
Realize output into fixed proportion relation.
In summary, the utility model spacer type hydraulic synchronous oil cylinder is a kind of novel synchronous fuel tank structure, Ke Yishi
Now accurate scene 2 or three go out, and four go out hydraulic actuating mechanism synchronization, it is main that installation is processed using novel mechanism.This reality
Structure and installation are simplified with new spacer type hydraulic synchronous oil cylinder, processing and installation cost of manufacture is reduced, so as to accelerate
Product process flow.
It mainly has many advantages, such as following：
First, processing is simple, and essence can be used to pull out steel pipe as base-material, can be used with whole long processing, cutting.
2nd, installation is simple, and 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 thereby resulted in reduces, and 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 specific embodiment of the present utility model, it will be appreciated by those of skill in the art that
These are merely illustrative of, and the scope of protection of the utility model is defined by the appended claims.Those skilled in the art
Member can make numerous variations or repair to these embodiments on the premise of without departing substantially from principle of the present utility model and essence
Change, but these changes and modification each fall within the scope of protection of the utility model.
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, and the piston is set in the corresponding positioning sleeve
Between the piston rod, synchronous fuel tank is formed；The both 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, the corresponding piston of circlip groove described in each pair, each circlip groove is interior to set a pair of card keys.
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
Circlip groove is additionally provided with groove, shaft block ring is set in the circlip groove, for fixing the axial movement of 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 |
|---|---|---|---|
| CN201720890636.7U CN207049110U (en) | 2017-07-21 | 2017-07-21 | Spacer type hydraulic synchronous oil cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720890636.7U CN207049110U (en) | 2017-07-21 | 2017-07-21 | Spacer type hydraulic synchronous oil cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207049110U true CN207049110U (en) | 2018-02-27 |
Family
ID=61497699
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720890636.7U Active CN207049110U (en) | 2017-07-21 | 2017-07-21 | Spacer type hydraulic synchronous oil cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207049110U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107152432A (en) * | 2017-07-21 | 2017-09-12 | 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 CN201720890636.7U patent/CN207049110U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107152432A (en) * | 2017-07-21 | 2017-09-12 | 上海振华重工(集团)股份有限公司 | Spacer type hydraulic synchronous oil cylinder |
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