CN207195352U - Modified cylinder - Google Patents
Modified cylinder Download PDFInfo
- Publication number
- CN207195352U CN207195352U CN201721130934.2U CN201721130934U CN207195352U CN 207195352 U CN207195352 U CN 207195352U CN 201721130934 U CN201721130934 U CN 201721130934U CN 207195352 U CN207195352 U CN 207195352U
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- CN
- China
- Prior art keywords
- snap ring
- cylinder
- breach
- under
- cylinder body
- Prior art date
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Abstract
The utility model discloses a kind of modified cylinder, belong to cylinder technical field, it is unreasonable to solve the attachment structure design of traditional cylinder front end housing and cylinder barrel, easily kills phenomenon, can not carry out maintenance and reuse, the problem of significant wastage resource.Mainly include cylinder body, piston, piston rod, front end housing, back cylinder cover, breach, snap ring upper groove, snap ring and round nut under the snap ring of the front end housing outer face.The utility model fundamentally solves the problems, such as that traditional cylinder barrel is easily killed with drive end bearing bracket and can not carry out maintenance and recycle using the ingenious attachment structure for improving cylinder barrel and drive end bearing bracket of snap ring；The utility model significantly extends product service life, and resource utilization is high, and simple and compact for structure, lighter in weight, handling ease, manufacturing cost are low, can be widely applied to cylinder technical field, especially suitable large-diameter cylinder technical field.
Description
Technical field
The utility model belongs to cylinder technical field, specifically, more particularly to a kind of modified cylinder.
Background technology
Cylinder front end housing is mounted in the rod chamber side of cylinder, for being oriented to piston rod, built with sealing device, to protect
Demonstrate,prove the sealing of cylinder rod chamber.Figure of description Fig. 1 is traditional cylinder block and front end housing attachment structure schematic diagram, can from figure
To find out that the connection of cylinder barrel and drive end bearing bracket uses thread connecting mode, because cylinder seriously leaks outside, gas leakage at piston rod, it is necessary to
Drive end bearing bracket is pulled down, to change sealing ring, but drive end bearing bracket and the regular generation thread biting locking phenomenon in cylinder barrel junction, can not be torn open
Unload, can only redesign, product service life is short, serious waste resource.
Utility model content
The purpose of this utility model is in view of the deficienciess of the prior art, providing a kind of maintenance and repair convenience, use
The modified cylinder of long lifespan.
The utility model is achieved through the following technical solutions：
A kind of modified cylinder, including cylinder body, piston, piston rod, front end housing and back cylinder cover, the cylinder body have vertically
The cavity communicated, one end of the piston rod are fixed with the piston, and the other end extends containment portion, the back cylinder cover sealing
One end of the cylinder body is fixed on, the front end housing is sheathed on outside the piston rod and is fixed on the other end of the cylinder body,
Cross sectional shape is provided with the front end housing outer face in breach under the step-like snap ring of one-level, and breach outward flange under the snap ring
Place is provided with external screw thread；It is provided with the snap ring upper groove of rectangular in cross-section shape on the inside of the cylinder body, breach trailing edge position under the snap ring
Put and locate, the snap ring upper groove and the snap ring under breach composition corresponding with the snap ring upper groove inside edge opening position
Space is annular groove, and the snap ring for being used for fixing the front end housing and the cylinder body is provided with the annular groove；The snap ring is by justifying
Nut check, round nut are internal thread round nut, are engaged with the external screw thread under the snap ring on breach.
Preferably, the trailing edge height value of breach is equal to the depth value of the snap ring upper groove, the card under the snap ring
The depth value sum of the trailing edge height value of breach and the snap ring upper groove is the depth value of annular groove under ring, the snap ring
Height be more than 2/3 annular groove depth value and be less than annular groove depth value.
Preferably, the section rectangular in form of the snap ring.
Compared with prior art, the beneficial effects of the utility model are：
The utility model fundamentally solves using the ingenious attachment structure for improving cylinder barrel and drive end bearing bracket of snap ring
Traditional cylinder barrel is easily killed with drive end bearing bracket and can not carry out the problem of maintenance recycles；The utility model significantly extends
Product service life, resource utilization is high, and simple and compact for structure, lighter in weight, handling ease, manufacturing cost are low, can answer extensively
For cylinder technical field, especially suitable large-diameter cylinder technical field.
Brief description of the drawings
Fig. 1 is traditional cylinder block and front end housing attachment structure schematic diagram；
Fig. 2 is the utility model structure diagram；
Fig. 3 is enlarged drawing at the utility model Fig. 2 A.
In figure：1. cylinder body；2. piston rod；3. front end housing；4. back cylinder cover；5. breach under snap ring；6. snap ring upper groove；7. card
Ring；8. round nut.
Embodiment
The utility model is further illustrated below in conjunction with the accompanying drawings：
A kind of modified cylinder, including cylinder body 1, piston, piston rod 2, front end housing 3 and back cylinder cover 4, the cylinder body 1 is along axle
Fixed to one end and the piston with the cavity communicated, the piston rod 2, the other end extends containment portion, after described
Cylinder cap 4 is sealingly fastened in one end of the cylinder body 1, and the front end housing 3 is sheathed on the outside of piston rod 2 and is fixed on the cylinder
The other end of body 1, cross sectional shape is provided with the outer face of front end housing 3 in breach 5 under the step-like snap ring of one-level, and the card
The outer edge of breach 5 is provided with external screw thread under ring；The inner side of cylinder body 1 is provided with the snap ring upper groove 6 of rectangular in cross-section shape, the card
The trailing edge opening position of breach 5 is corresponding with the inside edge opening position of snap ring upper groove 6 under ring, the snap ring upper groove 6 with
The space that breach 5 is formed under the snap ring is annular groove, is provided with the annular groove and is used to fix the front end housing 3 and the cylinder
The snap ring 7 of body 1；The snap ring 7 is locked by round nut 8, and round nut 8 is on breach 5 under internal thread round nut, with the snap ring
External screw thread is engaged.
Preferably, the trailing edge height value of breach 5 is equal to the depth value of the snap ring upper groove 6 under the snap ring, described
The depth value sum of the trailing edge height value of breach 5 and the snap ring upper groove 6 is the depth value of annular groove under snap ring, described
The height of snap ring 7 is more than 2/3 annular groove depth value and is less than annular groove depth value.
Preferably, the section rectangular in form of the snap ring 7.
The utility model includes cylinder body 1, piston, piston rod 2, front end housing 3 and back cylinder cover 4, and the cylinder body 1 has vertically
The cavity communicated, one end and the piston of the piston rod 2 are fixed, and the other end extends containment portion, and the back cylinder cover 4 is close
Sealing schedules one end of the cylinder body 1, and the front end housing 3 is sheathed on the outside of piston rod 2 and is fixed on the another of the cylinder body 1
One end, it is characterised in that：Cross sectional shape is provided with the outer face of front end housing 3 in breach 5 under the step-like snap ring of one-level, and institute
State the outer edge of breach 5 under snap ring and be provided with external screw thread；The inner side of cylinder body 1 is provided with the snap ring upper groove 6 of rectangular in cross-section shape, institute
State to be provided with the space that snap ring upper groove 6 is formed with breach 5 under the snap ring and be used to fix the front end housing 3 and the cylinder body 1
Snap ring 7, the section rectangular in form of snap ring 7；The snap ring 7 is locked by round nut 8, and round nut 8 is internal thread round nut, with institute
The external screw thread under snap ring on breach 5 is stated to be engaged.The trailing edge edge of breach 5 and the inner side edge of snap ring upper groove 6 under snap ring
Edge opening position is corresponding, and now breach 5 and the Special composition of snap ring upper groove 6 are annular groove under snap ring.The utility model snap ring
The trailing edge height value of lower breach 5 is equal to the depth value of the snap ring upper groove 6, the trailing edge height of breach 5 under the snap ring
Value and the depth value sum of the snap ring upper groove 6 are the depth value of annular groove, and the height of the snap ring 7 is more than 2/3 snap ring
Groove depth angle value and be less than annular groove depth value, such size design can ensure assemble snap ring 7 when can be entirely enclosed in groove, fill
After entering snap ring 7, piston rod assembly is pulled out, promotes drive end bearing bracket to move outward, snap ring 7 is bonded with annular groove, screw round spiral shell again conveniently
Mother 8.The utility model fundamentally solves using the ingenious attachment structure for improving cylinder barrel and drive end bearing bracket of snap ring
Traditional cylinder barrel is easily killed with drive end bearing bracket and can not carry out the problem of maintenance recycles；The utility model significantly extends
Product service life, resource utilization is high, and simple and compact for structure, lighter in weight, handling ease, manufacturing cost are low, can answer extensively
For cylinder technical field, especially suitable large-diameter cylinder technical field.
In summary, preferred embodiment only of the present utility model, not it is used for limiting the utility model implementation
Scope, the equivalent change carried out by all shapes according to described in the utility model claims scope, construction, feature and spirit is with repairing
Decorations, all should be included in right of the present utility model.
Claims (3)
1. a kind of modified cylinder, including cylinder body, piston, piston rod, front end housing and back cylinder cover, the cylinder body has phase vertically
Logical cavity, one end of the piston rod are fixed with the piston, and the other end extends containment portion, and the back cylinder cover sealing is solid
Due to one end of the cylinder body, the front end housing is sheathed on outside the piston rod and is fixed on the other end of the cylinder body, its
It is characterised by：Cross sectional shape is provided with the front end housing outer face in breach under the step-like snap ring of one-level, and under the snap ring
Breach outer edge is provided with external screw thread；The snap ring upper groove of rectangular in cross-section shape is provided with the inside of the cylinder body, is lacked under the snap ring
Mouth trailing edge opening position is corresponding with the snap ring upper groove inside edge opening position, under the snap ring upper groove and the snap ring
The space that breach is formed is annular groove, and the snap ring for being used for fixing the front end housing and the cylinder body is provided with the annular groove；Institute
State snap ring to be locked by round nut, round nut is internal thread round nut, is engaged with the external screw thread under the snap ring on breach.
2. modified cylinder according to claim 1, it is characterised in that：Trailing edge height value of breach etc. under the snap ring
The depth value of the trailing edge height value of breach and the snap ring upper groove under the depth value of the snap ring upper groove, the snap ring
Sum is the depth value of annular groove, and the height of the snap ring is more than 2/3 annular groove depth value and is less than annular groove depth value.
3. modified cylinder according to claim 1, it is characterised in that：The section rectangular in form of the snap ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721130934.2U CN207195352U (en) | 2017-09-05 | 2017-09-05 | Modified cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721130934.2U CN207195352U (en) | 2017-09-05 | 2017-09-05 | Modified cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207195352U true CN207195352U (en) | 2018-04-06 |
Family
ID=61791029
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721130934.2U Active CN207195352U (en) | 2017-09-05 | 2017-09-05 | Modified cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207195352U (en) |
-
2017
- 2017-09-05 CN CN201721130934.2U patent/CN207195352U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |