CN205533533U - Interior differential cylinder structure - Google Patents
Interior differential cylinder structure Download PDFInfo
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- CN205533533U CN205533533U CN201620060124.3U CN201620060124U CN205533533U CN 205533533 U CN205533533 U CN 205533533U CN 201620060124 U CN201620060124 U CN 201620060124U CN 205533533 U CN205533533 U CN 205533533U
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Abstract
The utility model provides an interior differential cylinder structure belongs to the hydraulic transmission technology field. This interior differential cylinder structure includes: the hydro -cylinder body, including a hydro -cylinder section of thick bamboo and respectively demountable installation at protecgulum, the hou gai at hydro -cylinder section of thick bamboo both ends, a hydro -cylinder section of thick bamboo, protecgulum, back lid three surround and form section of thick bamboo chamber, the piston rod, movable mounting is at section of thick bamboo intracavity and pass the protecgulum, the piston rod is inside to undercut, the piston is installed at piston rod terminus, section of thick bamboo chamber and back section of thick bamboo chamber before the piston divide into section of thick bamboo chamber, differential pole, differential pole rear end is installed and is covered after, the setting of differential pole front end is in the piston rod and form differential chamber. This interior differential cylinder structure has overall arrangement compactness, safe and reliable's advantage.
Description
Technical field
This utility model belongs to hydraulic transmission technology field, relates to differential cylinder knot in one
Structure.
Background technology
Needing in injection machine in the market to use differential cylinder structure, it is the poorest
Dynamic injection cylinder structure, as it is shown in figure 1, its structure mainly includes being provided with front hydraulic fluid port 11
Protecgulum 10, be provided with rear hydraulic fluid port 21 bonnet 20, be positioned at protecgulum 10 and bonnet 20 it
Between cylinder tube 30, piston rod 40, be arranged on piston rod 40 by piston unt 100
The piston 50 at middle part, protecgulum 10, bonnet 20, cylinder tube 30 three constitute oil cylinder body
And oil cylinder body interior is provided with barrel chamber, piston rod 40 two ends stretch out respectively protecgulum 10 and after
Being positioned at into the barrel chamber in the middle part of lid 20 and piston rod 40, piston 50 also is located at into the barrel chamber and by cylinder
Chamber is divided into front barrel chamber 311 and rear barrel chamber 312, front hydraulic fluid port 11 to be connected with front barrel chamber 311,
Rear hydraulic fluid port 21 is connected with rear barrel chamber 312, when differential injection, is used in front barrel chamber 311
The active area S1 of injection is used for the active area S2 of injection in being more than rear barrel chamber 312,
Injection ram 50 synchronizes to drive piston rod 40 barrel chamber 312 backward under the effect of differential force
Move in direction.
Above-mentioned differential cylinder topology layout is unreasonable, and it exists following defect: injection is lived
Stopper rod 40 stretches out the bonnet 20 of oil cylinder so that cylinder structure area occupied is big and profile is dashed forward
Towering；Piston rod 40 length is the most relatively large with diameter, and movement inertia is big and cost is high；Stretch
The piston rod 40 going out oil cylinder bonnet 20 easily causes injury (security incident), it is necessary to have
Corresponding safety measure.
In sum, need to design a kind of compact in design, safe and reliable interior differential cylinder
Structure.
Summary of the invention
The purpose of this utility model is to there are the problems referred to above for existing technology, it is proposed that
A kind of compact in design, safe and reliable interior differential cylinder structure.
The purpose of this utility model can be realized by following technical proposal: differential in a kind of
Cylinder structure, including:
Oil cylinder body, including cylinder tube and be removably mounted at cylinder tube two ends respectively
Protecgulum, bonnet, described cylinder tube, protecgulum, bonnet three surround formation barrel chamber；
Piston rod, is movably arranged on into the barrel chamber and through protecgulum, and described piston rod inner is drawn
Empty；
Piston, is arranged on piston-rod end, described piston barrel chamber is divided into front barrel chamber and after
Barrel chamber；
Differential lever, described differential lever rear end is arranged on bonnet, and described differential lever front end sets
Put in piston rod and form differential chamber.
As further improvement of the utility model, protecgulum is provided with and front barrel chamber UNICOM
And be the front hydraulic fluid port of front barrel chamber fuel feeding, bonnet is provided with barrel chamber and the external world after UNICOM
The QI KOU of air.
Further improve as of the present utility model, bonnet is provided with and joins with differential chamber
Lead to and be the rear hydraulic fluid port of differential chamber fuel feeding, described rear hydraulic fluid port and front hydraulic fluid port UNICOM, described difference
Hydraulic fluid port and the central through hole in differential chamber after UNICOM is offered in the middle part of lever.
As of the present utility model another improve, described rear hydraulic fluid port, QI KOU are divided and are listed in difference
Lever both sides, described front hydraulic fluid port is arranged on differential lever side and arranges with QI KOU homonymy.
Further improving as of the present utility model, described differential lever front end is smooth
It is provided with the differential end face facing piston rod inside bottom, position rearward, described differential lever front end
Be provided around that its axis arranges is domatic, has between described domatic and piston rod medial surface
Gap, and domatic be connected with differential end face by joint face, described differential end face and domatic
Constitute the differential intracavity acting surface for injection.
Further improve as of the present utility model, described piston rod rear end end one
Formula is provided with annular protrusion, and described piston arranges ringwise and is closely coated on outside annular protrusion
Side, both described piston and annular protrusion face the end face of protecgulum, and these two ends
Face constitutes the front into the barrel chamber acting surface for injection.
Further improve as of the present utility model, be detachably provided with in described QI KOU
The air filter arranged upward.
Further improve as of the present utility model, described differential lever rear end end one
Formula is provided with installation projection and central through hole and through installation projection and is connected with rear hydraulic fluid port, described
Projection is installed and forms T-shaped structure with differential lever, and installation projection snugly fits in bonnet
Portion.
Based on technique scheme, this utility model embodiment at least can produce following skill
Art effect: integral structure layout is compact, during work, differential lever is set to be built in barrel chamber
In, towards bonnet under difference force that piston rod can be formed in each chamber or differential force effect
Move in direction (that is rear barrel chamber direction), and piston rod rear end is always positioned at into the barrel chamber,
Do not have the situation stretching out bonnet, safety problem will not be produced, safe and reliable during use,
And oil cylinder profile and installing space are had little to no effect so that the cylinder structure scope of application
Extensively；Piston rod length is the most relatively small with diameter and coordinates closely with differential lever, its motion
Inertia is little, reduces cost.
Accompanying drawing explanation
Below in conjunction with the accompanying drawings detailed description of the invention of the present utility model is made further details of
Illustrate, wherein:
Fig. 1 is the structural representation of differential cylinder structure in prior art.
Fig. 2 is the structural representation of this utility model one preferred embodiment.
In figure, 10, protecgulum；11, front hydraulic fluid port；20, bonnet；21, rear hydraulic fluid port；22、
QI KOU；30, cylinder tube；311, front barrel chamber；312, rear barrel chamber；40, piston rod；
42, differential chamber；43, annular protrusion；50, piston；60, differential lever；61, center
Through hole；62, differential end face；63, domatic；64, joint face；65, projection is installed；
100, piston unt.
Detailed description of the invention
The following is specific embodiment of the utility model and combine accompanying drawing, to this utility model
Technical scheme be further described, but this utility model is not limited to these embodiments.
Differential cylinder structure in this utility model protection is a kind of, especially a kind of interior differential note
Penetrating cylinder structure, it is be applicable to injection machine, it is possible to be applicable to outside injection machine other
In application apparatus.
Existing differential cylinder topology layout is unreasonable, and its injecting piston rod 40 stretches out oil cylinder
Bonnet 20 so that cylinder structure area occupied is big and profile is lofty；Piston rod 40 is long
Spending the most relatively large with diameter, movement inertia is big and cost is high；Stretch out oil cylinder bonnet 20
Piston rod 40 easily cause security incident, it is necessary to have corresponding safety measure.Therefore,
It is necessary for designing a kind of comparison reasonably interior differential cylinder structure.
The technical scheme provided this utility model below in conjunction with Fig. 2 is carried out in more detail
Illustrate.
As in figure 2 it is shown, differential cylinder structure includes in this:
Oil cylinder body, including cylinder tube 30 and be removably mounted at cylinder tube 30 respectively
The protecgulum 10 at two ends, bonnet 20, cylinder tube 30, protecgulum 10, bonnet 20 three surround
Form barrel chamber；
Piston rod 40, is movably arranged on into the barrel chamber and through protecgulum 10, in piston rod 40
Portion empties；
Piston 50, is arranged on piston rod 40 rear end end, before barrel chamber is divided into by piston 50
Barrel chamber 311 and rear barrel chamber 312；
Differential lever 60, differential lever 60 rear end is arranged on bonnet 20, before differential lever 60
In end is arranged on piston rod 40 and form differential chamber 42, and differential chamber 42 and front barrel chamber 311
Between can form the differential force towards bonnet 20.
In this utility model, above-mentioned cylinder structure is injection cylinder structure, its work shape
State includes non-differential injection and differential injection, cylinder tube 30, protecgulum 10, bonnet 20 3
Person is removably mounted to together and constitutes the basal body structure of oil cylinder, easy for installation and be easy to
Safeguard, and improve space availability ratio so that cylinder structure area occupied is less.
In this, differential cylinder structure is in an initial condition, and integral structure layout is compact, differential
The oil circuit of chamber 42 and front barrel chamber 311 uses differential connection, and during work, differential lever 60 sets
It is set to be built in into the barrel chamber, difference force that piston rod 40 can be formed or differential in each chamber
Towards bonnet 20 direction (that is rear barrel chamber 312 direction) motion under power effect, and piston
Bar 40 rear end is always positioned at into the barrel chamber, does not haves the situation stretching out bonnet 20, will not
Produce safety problem, safe and reliable, and oil cylinder profile and installing space are not almost had
Have an impact so that cylinder structure is applied widely.
Additionally, piston rod 40 length is the most relatively small with diameter and coordinates with differential lever 60
Closely, its movement inertia is little, reduces cost.
For making piston 50 reliable in action, smooth and easy, improve reliability and the safety of work,
Preferably, protecgulum 10 is provided with and front barrel chamber 311 UNICOM and for front barrel chamber 311 fuel feeding
Front hydraulic fluid port 11, bonnet 20 is provided with barrel chamber 312 and ambient atmosphere after UNICOM
QI KOU 22, and can be formed towards bonnet 20 between barrel chamber 312 and front barrel chamber 311 afterwards
Difference force.
When non-differential injection, QI KOU 22 connects air, rear barrel chamber 312 and front barrel chamber
Form the difference force towards bonnet 20 between 311, differential chamber 42 and front barrel chamber 311 it
Between also form the difference force towards bonnet 20, injection ram 50 carries under difference force effect
Dynamic piston rod 40 moves to bonnet 20；When differential injection, differential chamber 42 and front barrel chamber
Can form the differential force towards bonnet 20 between 311, injection ram 50 is at differential masterpiece
Move to bonnet 20 with lower drive piston rod 40.
Further, work more safe and reliable for differential cylinder structure in making this and carry
High piston 50 movement velocity, is preferably provided with and differential chamber 42 UNICOM and be on bonnet 20
The rear hydraulic fluid port 21 of differential chamber 42 fuel feeding, rear hydraulic fluid port 21 and front hydraulic fluid port 11 UNICOM, and poor
Hydraulic fluid port 21 and the central through hole in differential chamber 42 after UNICOM is offered in the middle part of lever 60
61 so that oil circuit conveying is more smooth and easy, efficient.
Due to front hydraulic fluid port 11 and rear hydraulic fluid port 21 UNICOM, the oil that rear hydraulic fluid port 21 draws off replenishes
Front hydraulic fluid port 11, piston 50 movement velocity is promoted.
Further, the injection work process of above-mentioned interior differential cylinder structure is as follows: non-difference
During dynamic injection, front hydraulic fluid port 11 cut-in pressure oil, rear hydraulic fluid port 21 connects oil return, QI KOU 22
Connect air, piston 50 under the difference force effect of both sides related piston rod 40 to bonnet 20
Moving in direction, during differential injection, front hydraulic fluid port 11 and rear hydraulic fluid port 21 are also turned on pressure oil,
The active area S1 being used for injection in the most front barrel chamber 311 is used for more than in differential chamber 42
The active area S3 of injection, related piston rod 40 is backward under differential force effect for piston 50
Cover 20 direction motions.
For making differential lever 60 closely cooperate with piston rod 40, it is further preferred that poor
The medial surface of the circumferential lateral surface of lever 60 and piston rod 40 is close to arrange, and differential chamber 42
In for the active area S3 of injection be differential lever 60 front end face towards the end inside piston rod 40
The end face surface in portion is amassed, and therefore, in differential chamber 42, the acting surface for injection is differential lever
60 front end faces are towards the end face of piston rod 40 inside bottom.
As the preferred or optional embodiment of one, rear hydraulic fluid port 21, QI KOU 22 points row
In differential lever 60 both sides, front hydraulic fluid port 11 be arranged on differential lever 60 side and with QI KOU 22
Homonymy is arranged, and front hydraulic fluid port 11, QI KOU 22, the shape of rear hydraulic fluid port 21 are disposed as L-shaped.
I other words, front hydraulic fluid port 11 and rear hydraulic fluid port 21 are in topology layout one on the other and front oil
Mouthfuls 11 oblique uppers being positioned at rear hydraulic fluid port 21, QI KOU 22 and rear hydraulic fluid port 21 are also on one one
Lower topology layout and preferably QI KOU 22 are positioned at directly over rear hydraulic fluid port 21, in this utility model
Use hydraulic fluid port and the QI KOU 22 of said structure layout so that it is quicker, suitable that oil circuit leads to oil
Freely, front hydraulic fluid port 11 barrel chamber 311 before fluid can accelerate under Gravitative Loads when oil-feed
In, in like manner, rear hydraulic fluid port 21 fluid when oil return can accelerate to exit differential under Gravitative Loads
Chamber 42, improves the reliability of work, promotes piston 50 movement velocity.
More tight for making differential lever 60 coordinate with piston rod 40 frock, and guarantee is poor
The stationarity of power transmission, is provided with it is further preferred that differential lever 60 front end is smooth
Face the differential end face 62 of piston rod 40 inside bottom, position rearward, differential lever 60 front end
It is provided around between domatic 63, domatic 63 and piston rod 40 medial surface that its axis is arranged
There is gap, and domatic 63 are connected with differential end face 62 by joint face 64, differential end
Face 62 and domatic 63 constitutes the interior acting surface for injection in differential chamber 42.
For making piston 50, piston rod 40 closely cooperate with front barrel chamber 311, then enter one
Preferably, piston rod 40 rear end end integral type is provided with annular protrusion 43, piston 50 to step
Arrange ringwise and be closely coated on outside annular protrusion 43, piston 50 and annular protrusion
The end face of protecgulum 10 is faced both 43, and for the work of injection in front barrel chamber 311
It is piston 50 with area S1 and piston rod 40 rear end projecting portion faces protecgulum 10
End face surface is amassed, and therefore, above-mentioned piston 50 faces end face and the annular protrusion of protecgulum 10
43 end faces facing protecgulum 10 constitute the front interior acting surface for injection of barrel chamber 311.
Preferably, the air filter arranged upward is detachably installed in QI KOU 22, makes
Obtain QI KOU 22 reliable operation, eliminate the impurity in air so that piston 50 moves more
Add smooth and easy, improve the service life of equipment.
In this utility model, differential lever 60 is relatively fixed with the bonnet 20 of oil cylinder, poor
The oil in dynamic chamber 42 realizes turnover, for making differential lever by bonnet 20 and differential lever 60
60 install after more steady, preferably to be provided with installation convex for differential lever 60 rear end end integral type
Block 65 and central through hole 61, through installing projection 65 and being connected with rear hydraulic fluid port 21, are installed
Projection 65 and differential lever 60 form T-shaped structure, and install after projection 65 snugly fits into
In the middle part of lid 20.Such topology layout can make differential lever 60 lock onto bonnet 20, protects
The work efficiency of the overall cylinder structure of card.
Specific embodiment described herein is only for example to this utility model spirit
Explanation.This utility model person of ordinary skill in the field can be to described concrete
Embodiment is made various amendment or supplements or use similar mode to substitute, but not
Spirit of the present utility model can be deviateed or surmount model defined in appended claims
Enclose.
Claims (8)
1. differential cylinder structure in a kind, it is characterised in that: including:
Oil cylinder body, including cylinder tube and be removably mounted at cylinder tube two ends respectively
Protecgulum, bonnet, described cylinder tube, protecgulum, bonnet three surround formation barrel chamber；
Piston rod, is movably arranged on into the barrel chamber and through protecgulum, and described piston rod inner is drawn
Empty；
Piston, is arranged on piston-rod end, described piston barrel chamber is divided into front barrel chamber and after
Barrel chamber；
Differential lever, described differential lever rear end is arranged on bonnet, and described differential lever front end sets
Put in piston rod and form differential chamber.
Differential cylinder structure in one the most according to claim 1, it is characterised in that:
Protecgulum is provided with and front barrel chamber UNICOM and for the front hydraulic fluid port of front barrel chamber fuel feeding, on bonnet
It is provided with barrel chamber and the QI KOU of ambient atmosphere after UNICOM.
Differential cylinder structure in one the most according to claim 2, it is characterised in that:
Bonnet is provided with and differential chamber UNICOM and for the rear hydraulic fluid port of differential chamber fuel feeding, described after oil
Mouthful with front hydraulic fluid port UNICOM, offer after UNICOM hydraulic fluid port and differential in the middle part of described differential lever
The central through hole in chamber.
Differential cylinder structure in one the most according to claim 3, it is characterised in that:
Described rear hydraulic fluid port, QI KOU are divided and are listed in differential lever both sides, and described front hydraulic fluid port is arranged on differential lever
Side and with QI KOU homonymy arrange.
5. according to a kind of interior differential cylinder structure described in claim 3 or 4, its feature
It is: smooth being provided with of described differential lever front end faces the differential of piston rod inside bottom
End face, position rearward, described differential lever front end is provided around the domatic of its axis setting, institute
State and there is between domatic and piston rod medial surface gap, and domatic by joint face with differential
End face is connected, and described differential end face and the differential intracavity of domatic composition are for the acting surface injected.
6. according to a kind of interior differential cylinder structure described in claim 3 or 4, its feature
It is: described piston rod rear end end integral type is provided with annular protrusion, and described piston is ring
Shape arranges and is closely coated on outside annular protrusion, both described piston and annular protrusion face
Towards the end face of protecgulum, and these two end faces constitute the effect for injection of the front into the barrel chamber
Face.
7. according to a kind of interior differential cylinder structure described in Claims 2 or 3 or 4, its
It is characterised by: the air filter arranged upward is detachably installed in described QI KOU.
8. according to a kind of interior differential cylinder structure described in claim 3 or 4, its feature
It is: described differential lever rear end end integral type is provided with installation projection and central through hole passes
Installing projection and be connected with rear hydraulic fluid port, described installation projection forms T-shaped structure with differential lever,
And installation projection snugly fits in the middle part of bonnet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620060124.3U CN205533533U (en) | 2016-01-21 | 2016-01-21 | Interior differential cylinder structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620060124.3U CN205533533U (en) | 2016-01-21 | 2016-01-21 | Interior differential cylinder structure |
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| Publication Number | Publication Date |
|---|---|
| CN205533533U true CN205533533U (en) | 2016-08-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620060124.3U Active CN205533533U (en) | 2016-01-21 | 2016-01-21 | Interior differential cylinder structure |
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| CN (1) | CN205533533U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105545873A (en) * | 2016-01-21 | 2016-05-04 | 海天塑机集团有限公司 | Internal differential cylinder structure and injection method thereof |
-
2016
- 2016-01-21 CN CN201620060124.3U patent/CN205533533U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105545873A (en) * | 2016-01-21 | 2016-05-04 | 海天塑机集团有限公司 | Internal differential cylinder structure and injection method thereof |
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| GR01 | Patent grant |