CN206495841U - A kind of pressure balanced single rod high-voltage oil cylinder - Google Patents
A kind of pressure balanced single rod high-voltage oil cylinder Download PDFInfo
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- CN206495841U CN206495841U CN201720002063.XU CN201720002063U CN206495841U CN 206495841 U CN206495841 U CN 206495841U CN 201720002063 U CN201720002063 U CN 201720002063U CN 206495841 U CN206495841 U CN 206495841U
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- end cap
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Abstract
The utility model is related to a kind of pressure balanced single rod high-voltage oil cylinder, including cylinder body, drive end bearing bracket, rear end cap, exhaust outlet, piston and piston rod, cylinder body is cylinder barrel shaped structure, and axial one end sealing of cylinder body is fixed with a drive end bearing bracket, and axial one end sealing of cylinder body is fixed with a rear end cap；One piston is installed in cylinder interior Driven by Coaxial, just mutual disconnected two cavitys are split in cylinder interior space by piston；Fixed in piston to be coated with a piston rod, protecgulum is coaxially stretched out in one end of the piston rod, in the coaxial limited support of the other end of piston rod supported hole made in rear end cap；Rear end cap is formed respectively with the oiling passage of a connection cylinder interior, and drive end bearing bracket is formed with the oil filler point of a connection cylinder interior；An exhaust outlet is fixed with the middle part of the axial end of rear end cap.The cavity of the utility model piston both sides is rod chamber, it is ensured that lifting activity flexibility on the premise of sealing, and service life is long, from the functional reliability and whole service life of lift elements.
Description
Technical field
The utility model is applied to high-voltage oil cylinder field, especially a kind of pressure balanced single rod high-voltage oil cylinder.
Background technology
Hydraulic cylinder is that hydraulic energy is changed into mechanical energy, the hydraulic actuator of straight reciprocating motion is done.The letter of its structure
Single, reliable operation.Realized with it during reciprocating motion, can remove deceleration device from, and without drive gap, stable movement, because
This is used widely in various mechanical hydraulic systems.At present, single pole hydraulic jack internal structure is that piston one side is fixedly mounted with
Piston rod, drives piston to be moved back and forth in cylinder block by hydraulic oil, but cylinder body is divided into rod chamber and nothing by piston
The motion mode of rod cavity, occurs both sides force unbalance in piston rod driving, and the problem of Bit andits control is inaccurate influences defeated
Go out pressure and job stability.
Utility model content
The purpose of this utility model is to overcome in place of the deficiencies in the prior art that there is provided the pressure balanced single rod of one kind is high
Compressing cylinder, using metal structure as rack body, strengthens service life, mitigates abrasion.
The utility model solves its technical problem and takes following technical scheme to realize：
A kind of pressure balanced single rod high-voltage oil cylinder, it is characterised in that：Including cylinder body, drive end bearing bracket, rear end cap, exhaust
Mouth, piston and piston rod, cylinder body are cylinder barrel shaped structure, and axial one end sealing of cylinder body is fixed with a drive end bearing bracket, cylinder body
Axial one end sealing is fixed with a rear end cap；One piston is installed in cylinder interior Driven by Coaxial, piston is by cylinder interior space
Just mutual disconnected two cavitys of segmentation；It is fixed in piston to be coated with a piston rod, before one end of the piston rod is coaxially stretched out
In lid, the coaxial limited support of the other end of piston rod supported hole made in rear end cap；Rear end cap is formed respectively with a connection cylinder
The oiling passage in internal portion, drive end bearing bracket is formed with the oil filler point of a connection cylinder interior；It is fixedly mounted with the middle part of the axial end of rear end cap
There is an exhaust outlet.
Moreover, the concrete structure of the drive end bearing bracket includes end cover body, piston rod mounting hole and through hole, end cap is used for solid
Mounted in axial one end of cylinder body, coaxially a piston rod mounting hole is formed with the middle part of end cover body；Middle part is made in piston rod mounting hole
There is a sealing bulge loop, the radial direction side of the end cap between sealing bulge loop and the cylinder interior end face of end cap is formed with an oil filler point,
The oil filler point connects piston rod mounting hole, and pressure oil is injected in cylinder body；The internal thread that is formed with the outside of the oil filler point is used to engage
Oiling pipe joint is installed.
Moreover, sealing bulge loop and end cap outer face between be formed with filler annular groove, the filler annular groove with sealing bulge loop it
Between be formed with 45 ° of inclined-plane；Piston rod mounting hole between filler annular groove and end cap end face is formed with a circular end plate mounting groove,
The end plate mounting groove diameter is more than filler annular groove and is used to coaxially be fixedly mounted with end plate.
Moreover, end cover body is square cover plate, multiple through holes are formed with the end cap of piston rod mounting hole periphery.
Moreover, the end face of the end cover body insertion valve body is formed with the inner cylinder sleeve pipe of cylinder, the end in sleeve pipe and root
Lid main body link position is formed with a coaxial insertion annular groove, and the corresponding cylinder body axial end of insertion annular groove is formed with embedded bulge loop；
Annular seal groove is formed with the middle part of the annular outer wall of inner cylinder sleeve pipe, mounting O-shaped rings in the annular seal groove.
Moreover, the concrete structure of the piston includes piston main body, piston rod installation through-hole and limited ring groove, piston master
Body is a metal cylinder structure, and coaxially a piston rod installation through-hole is formed with piston main body, is made in piston installation through-hole
Limited location annular groove is used to piston rod is fixedly mounted；Coaxial spaced is formed with two in piston rod installation through-hole inside piston main body
Limited ring groove；One end of piston rod installation through-hole inside piston main body is formed with the rank greater diameter than piston rod installation through-hole
Terraced ring, the cascade ring interior angle is acute angle, and 45 ° of inclined-planes are formed between cascade ring and the axial end of piston main body.
Moreover, being symmetrically formed with two filler scrobicular rings at the middle part interval of the radial support end face of piston main body, this two are filled out
Expect to load graphite-like filler in scrobicular ring；Piston main body outer wall between two scrobicular rings is formed with an annular shallow slot, annular shallow slot
The support end face of round-corner transition is formed between axial two ends and filler groove.
Moreover, the piston main body axial direction support end face at two ends and the contact angle of cylinder body are formed with round-corner transition, end face is supported
45 ° of intermediate inclines are formed between filler scrobicular ring.
Advantage of the present utility model and good effect are：
The utility model reasonable in design, composition is simple and reliable, and fault rate is low, and the cavity of piston both sides is to have bar
Chamber, it is ensured that lifting activity flexibility on the premise of sealing, mitigates abrasion, and service life is long, from the work of lift elements
Reliability and whole service life.
Brief description of the drawings
Fig. 1 is overall structure diagram of the present utility model；
Fig. 2 is the half-sectional structural representation of drive end bearing bracket；
Fig. 3 is the right view of drive end bearing bracket；
Fig. 4 is the half-sectional structural representation of piston.
Embodiment
Below in conjunction with the accompanying drawings and the utility model is described in further detail by specific embodiment, following examples are to retouch
The property stated, be not limited, it is impossible to limit protection domain of the present utility model with this.
A kind of pressure balanced single rod high-voltage oil cylinder, referring to shown in accompanying drawing 1, including cylinder body 3, drive end bearing bracket 8, rear end cap 2,
Exhaust outlet 1, piston 4 and piston rod 5, cylinder body are cylinder barrel shaped structure, and axial one end sealing of cylinder body is fixed with a drive end bearing bracket,
Axial one end sealing of cylinder body is fixed with a rear end cap；One piston is installed in cylinder interior Driven by Coaxial, piston is by cylinder body
Just mutual disconnected two cavitys of portion space segmentation；Fixation is coated with a piston rod in piston, and one end of the piston rod is coaxial
Stretch out in protecgulum, the coaxial limited support of the other end of piston rod supported hole made in rear end cap；Rear end cap is formed respectively with one
The oiling passage 10 of cylinder interior is connected, drive end bearing bracket is formed with the oil filler point of a connection cylinder interior, passes through injection/discharge pressure
Oil, driving piston is moved in cylinder body, so as to drive piston rod two ends synchronously to be moved linearly.
An exhaust outlet 1 is fixed with the middle part of the axial end of rear end cap, for the gas in dummy piston boom end cushion chamber
Pressure.
Referring to shown in accompanying drawing 2 to accompanying drawing 3, the concrete structure of drive end bearing bracket includes end cover body 81, piston rod mounting hole and (not marked
Number) and through hole 89, the axial one end of end cap for being packed in cylinder body, end cover body middle part is coaxial to be formed with piston rod installation
Hole；Multiple through holes are formed with the end cap of piston rod mounting hole periphery, for end cap to be packed in into cylinder ends.
Piston rod stretches out end cap by the piston rod mounting hole of end cover body, and it is past to carry out straight line in hydraulic oil driving lower piston rod
Multiple motion.
In piston rod mounting hole middle part be formed with a sealing bulge loop 86, sealing bulge loop and end cap cylinder interior end face it
Between the radial direction side of end cap be formed with an oil filler point 82, oil filler point connection piston rod mounting hole injects pressure oil in cylinder body；
On the outside of the oil filler point be formed with internal thread be used for engage installation oiling pipe joint；
In order to mitigate the hard friction of end cap and piston rod, packing ring is formed between sealing bulge loop and the outer face of end cap
Groove 87, is formed with the stiff dough contact surface on 45 ° of inclined-plane, further less end cap and piston rod between the filler annular groove and sealing bulge loop
Product；Piston rod mounting hole between filler annular groove and end cap end face is formed with a circular end plate mounting groove 88, and the end plate is installed
Groove diameter is more than filler annular groove and is used to coaxially be fixedly mounted with end plate 9；45 ° of transition are formed between filler annular groove and end plate mounting groove
Ring.
For the ease of installing, this end cover body is square cover plate, is easy to make oil filler point and the valve body oiling of end plate main body
Hole installation site proper alignment.
In order to lift being completely embedded for end cover body and valve body, the end face of the end cover body insertion valve body is formed with cylinder
Inner cylinder sleeve pipe 83, the end cover body link position in sleeve pipe with root is formed with a coaxial insertion annular groove 85, embedded annular groove pair
The cylinder body axial end answered is formed with embedded bulge loop.
In order to ensure the sealing between end cover body and cylinder body, annular is formed with the middle part of the annular outer wall of inner cylinder sleeve pipe close
Mounting O-shaped rings 7 in sealing groove 84, the annular seal groove.
Referring to shown in accompanying drawing 4, the concrete structure of piston 4 includes piston main body 41, piston rod installation through-hole 42 and spacing
Annular groove 43, piston main body is a metal cylinder structure, coaxially a piston rod installation through-hole is formed with piston main body, in piston
Limited ring groove is formed with installation through-hole to be used to piston rod is fixedly mounted.During assembling, piston main body is coaxially mounted to the cylinder body of oil cylinder
It is interior and straight reciprocating motion is carried out in cylinder body, the coaxial stop collar in middle part of piston rod in piston main body, piston rod
Outside difference linear extension to the cylinder body of two ends, the mobile driving piston rod of piston main body carries out straight reciprocating motion；
In order to ensure the stable connection between piston main body and piston rod, the piston rod inside piston main body installs logical
Coaxial spaced is formed with two limited ring grooves in hole, strengthens the installation steadiness of piston rod and piston main body；
One end of piston rod installation through-hole inside piston main body is formed with the rank greater diameter than piston rod installation through-hole
Terraced ring 44, the cascade ring interior angle is acute angle, and 45 ° of inclined-planes are formed between cascade ring and the axial end of piston main body, is easy to assembling
When installed from the loading piston rod and limited location snap ring be installed after finishing assembly, further accurate fixed piston rod.
Increase the service life to strengthen the mitigation abrasion of the sliding capability between piston main body and cylinder body, in piston main body
The middle part interval of radial support end face 5 is symmetrically formed with two filler scrobicular rings 46, and sliding capability is loaded more in two filler scrobicular rings
Graphite-like filler 6 that is good and ensureing sealing；Piston main body outer wall between two scrobicular rings is formed with an annular shallow slot 48, ring
The support end face 47 of round-corner transition is formed between the axial two ends of shape shallow slot and filler groove, the stiff dough reduced with inboard wall of cylinder block rubs
Wipe.
The piston main body axial direction support end face 45 at two ends is formed with round-corner transition with the contact angle of cylinder body, and support end face is with filling out
45 ° of intermediate inclines, the slip deformation of buffering filler are formed between material scrobicular ring.
Although disclosing embodiment of the present utility model and accompanying drawing for the purpose of illustration, those skilled in the art can be with
Understand：Do not departing from the utility model and spirit and scope of the appended claims, it is various replace, change and modifications all be can
Can, therefore, scope of the present utility model is not limited to embodiment and accompanying drawing disclosure of that.
Claims (8)
1. a kind of pressure balanced single rod high-voltage oil cylinder, it is characterised in that：Including cylinder body, drive end bearing bracket, rear end cap, exhaust outlet,
Piston and piston rod, cylinder body are cylinder barrel shaped structure, and axial one end sealing of cylinder body is fixed with a drive end bearing bracket, the axial direction of cylinder body
One end sealing is fixed with a rear end cap；One piston is installed in cylinder interior Driven by Coaxial, piston splits cylinder interior space
Just mutual disconnected two cavitys；Fixation is coated with a piston rod in piston, and protecgulum is coaxially stretched out in one end of the piston rod, living
In the coaxial limited support of the other end of stopper rod supported hole made in rear end cap；Rear end cap is formed respectively with a connection cylinder interior
Oiling passage, drive end bearing bracket is formed with the oil filler point of a connection cylinder interior；A row is fixed with the middle part of the axial end of rear end cap
Gas port.
2. pressure balanced single rod high-voltage oil cylinder according to claim 1, it is characterised in that：The drive end bearing bracket it is specific
Structure includes end cover body, piston rod mounting hole and through hole, and end cap is used in the axial one end for being packed in cylinder body, end cover body
Portion is coaxially formed with a piston rod mounting hole；Middle part is formed with a sealing bulge loop in piston rod mounting hole, in sealing bulge loop and end cap
Cylinder interior end face between the radial direction side of end cap be formed with an oil filler point, oil filler point connection piston rod mounting hole will be pressed
In power oil injection cylinder body；On the outside of the oil filler point be formed with internal thread be used for engage installation oiling pipe joint.
3. pressure balanced single rod high-voltage oil cylinder according to claim 2, it is characterised in that：In sealing bulge loop and end cap
Outer face between be formed with filler annular groove, be formed with 45 ° of inclined-plane between the filler annular groove and sealing bulge loop；In filler annular groove and end
Piston rod mounting hole between lid end face is formed with a circular end plate mounting groove, and the end plate mounting groove diameter is more than filler annular groove
For being coaxially fixedly mounted with end plate.
4. pressure balanced single rod high-voltage oil cylinder according to claim 2, it is characterised in that：End cover body is square
Cover plate, is formed with multiple through holes on the end cap of piston rod mounting hole periphery.
5. pressure balanced single rod high-voltage oil cylinder according to claim 2, it is characterised in that：The end cover body insertion
The end face of valve body is formed with the inner cylinder sleeve pipe of cylinder, and the end cover body link position in sleeve pipe with root is formed with a coaxial insertion
Annular groove, the corresponding cylinder body axial end of insertion annular groove is formed with embedded bulge loop；Annular is formed with the middle part of the annular outer wall of inner cylinder sleeve pipe
Mounting O-shaped rings in seal groove, the annular seal groove.
6. pressure balanced single rod high-voltage oil cylinder according to claim 1, it is characterised in that：The specific knot of the piston
Structure includes piston main body, piston rod installation through-hole and limited ring groove, and piston main body is a metal cylinder structure, in piston master
A piston rod installation through-hole is coaxially formed with vivo, limited ring groove is formed with piston installation through-hole to be used to piston rod is fixedly mounted；
Coaxial spaced is formed with two limited ring grooves in piston rod installation through-hole inside piston main body；Piston inside piston main body
One end of bar installation through-hole is formed with the cascade ring greater diameter than piston rod installation through-hole, and the cascade ring interior angle is acute angle, ladder
45 ° of inclined-planes are formed between ring and the axial end of piston main body.
7. pressure balanced single rod high-voltage oil cylinder according to claim 6, it is characterised in that：In the radial direction of piston main body
The middle part interval of support end face is symmetrically formed with two filler scrobicular rings, and graphite-like filler is loaded in two filler scrobicular rings；At two
Piston main body outer wall between scrobicular ring is formed with an annular shallow slot, and fillet is formed between the axial two ends of annular shallow slot and filler groove
The support end face of transition.
8. pressure balanced single rod high-voltage oil cylinder according to claim 6, it is characterised in that：Piston main body axial direction two ends
Support end face and the contact angle of cylinder body be formed with round-corner transition, be formed with 45 ° of intermediate inclines between support end face and filler scrobicular ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720002063.XU CN206495841U (en) | 2017-01-03 | 2017-01-03 | A kind of pressure balanced single rod high-voltage oil cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720002063.XU CN206495841U (en) | 2017-01-03 | 2017-01-03 | A kind of pressure balanced single rod high-voltage oil cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206495841U true CN206495841U (en) | 2017-09-15 |
Family
ID=59801963
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720002063.XU Expired - Fee Related CN206495841U (en) | 2017-01-03 | 2017-01-03 | A kind of pressure balanced single rod high-voltage oil cylinder |
Country Status (1)
| Country | Link |
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| CN (1) | CN206495841U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108266424A (en) * | 2017-01-03 | 2018-07-10 | 天津市浩琳机械加工有限公司 | A kind of pressure balanced single rod high-voltage oil cylinder |
-
2017
- 2017-01-03 CN CN201720002063.XU patent/CN206495841U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108266424A (en) * | 2017-01-03 | 2018-07-10 | 天津市浩琳机械加工有限公司 | A kind of pressure balanced single rod high-voltage oil cylinder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170915 Termination date: 20200103 |