CN206257105U - A kind of single pole stroke adjustment cylinder - Google Patents
A kind of single pole stroke adjustment cylinder Download PDFInfo
- Publication number
- CN206257105U CN206257105U CN201621381709.1U CN201621381709U CN206257105U CN 206257105 U CN206257105 U CN 206257105U CN 201621381709 U CN201621381709 U CN 201621381709U CN 206257105 U CN206257105 U CN 206257105U
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- piston
- ring
- piston rod
- positioning
- cylinder barrel
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Abstract
The utility model discloses a kind of single pole stroke adjustment cylinder, including cylinder barrel, protecgulum, bonnet, piston rod and piston, first is provided with the piston rod, second positioning retainer ring and positioning O-ring, the first back-up ring installation position is provided with the front end of piston, first positioning retainer ring is placed on the first back-up ring installation position, and first positioning retainer ring front end protrude before piston, second positioning retainer ring is located at the rear of piston, cushion collar is housed on the piston rod, the second back-up ring installation position and centring ring installation position are provided with cushion collar, second positioning retainer ring is placed on the second back-up ring installation position, positioning O-ring is placed on centring ring installation position；Positioned using the first and second positioning retainer rings for being placed in piston front and back end and stress, the second positioning retainer ring is positioned with cushion collar and positioning O-ring, make piston positioning fastening firm, improve the axiality of piston rod, make product stable movement smooth.Piston is simple with the attachment structure of piston rod, saves material, simplifies the workload of processing and assembling.
Description
Technical field
The utility model is related to cylinder field, more particularly to a kind of single pole stroke adjustment cylinder.
Background technology
Cylinder is to guide the piston cylindrical metal parts of straight reciprocating motion are carried out in cylinder, for by compressed air
Pressure energy is converted to mechanical energy, and drive mechanism is made straight reciprocating motion, swung and rotary motion.Linear motion cylinder is generally comprised
Cylinder barrel, piston and piston rod, in the prior art, the complex operation that is located by connecting of piston and piston rod, between axiality it is inadequate
It is good, cause piston rod to run not steady enough, smooth.
Utility model content
Main purpose of the present utility model is to provide a kind of single pole stroke adjustment cylinder, it is intended to improve piston with piston rod
Axiality, makes piston rod movement steady, smooth.
The utility model proposes a kind of single pole stroke adjustment cylinder, including cylinder barrel, before the cylinder barrel front port
Lid, the bonnet installed in the cylinder barrel rear port, the piston rod through the cylinder barrel front and back end and in the cylinder barrel and
Suit is connected to piston on the piston rod, and fixation is surrounded with the first positioning retainer ring, the successively on the piston rod
Two positioning retainer rings and positioning O-ring, in the piston for being provided with and institute on the endoporus internal face that is connected with the piston rod
The first annular back-up ring installation position of the first positioning retainer ring adaptation is stated, before the first back-up ring installation position is arranged on the piston
End, first positioning retainer ring is placed on the first back-up ring installation position, and the front end of first positioning retainer ring is protruded in institute
State before piston, second positioning retainer ring is located at the rear of the piston, cushion collar, institute are housed in the upper cover of piston rod
Cushion collar is stated positioned at the rear of the piston, is provided with fixed with described second in one end relative with the piston of the cushion collar
Second back-up ring installation position of position back-up ring adaptation, the positioning being adapted to the positioning O-ring is provided with the other end of the cushion collar
Circle installation position, second positioning retainer ring is placed on the second back-up ring installation position, and the positioning O-ring is placed in the centring ring
On installation position；
The end cap cushion pad set around the piston rod is installed in the inner face relative with the piston of the protecgulum
Circle, the end cap buffer gasket from the protecgulum towards the piston direction protrude, the protecgulum inner face be provided with it is described
The back-up ring groove of the first positioning retainer ring position correspondence and adaptation；
The inner face relative with the piston of the bonnet is provided with the inner via hole passed through for the piston rod, the inner via hole
Venting channels are formed with the gap between the piston rod, the wall of the venting channels for covering in the rear is provided with cushion seal
Circle, the cushion collar is filled in the venting channels with the motion of the piston rod, is in close contact with the cushion seal circle
To clog the front port of the venting channels；In the rear lid in be communicated with outside and described venting channels choke valve and with
The buffering outlet passageway of the choke valve connection, the front end of the buffering outlet passageway is relative with the rear end of the piston.
Preferably, close installation has the first O-ring between the joint face of the piston and the piston rod, described slow
Close installation has the second O-ring between punching set and the joint face of the piston cap.
Preferably, nose air intake is provided with the wall of the cylinder barrel side, the nose air intake is located at and the protecgulum inner face
Horizontal level, the rear air inlet for being provided with and being connected with the venting channels is covered in the rear.
Preferably, it is fitted with nothing between the protecgulum and the piston rod and between the bonnet and the piston rod
Oil bearing and dust-proof seal ring.
Preferably, between the front console of the protecgulum and the cylinder barrel and the bonnet and the cylinder barrel rear end face
Hole back-up ring is provided between plate, between the internal face of the protecgulum and the cylinder barrel and the bonnet and the cylinder barrel
End cap O-ring is mounted between internal face.
Preferably, piston packing has been fitted around on the side wall of the piston, the piston packing is pressed on
Between the internal face of the piston and the cylinder barrel, for increasing the air-tightness between piston and inner wall of cylinder.
Preferably, screw thread is provided with the end sidewalls face in the bonnet direction in the piston rod, and at this
Position is provided with handle and the adjusting nut positioned at the handle top, on the screw thread in the adjusting nut and the piston rod
Threaded adapter, the screw thread on the adjusting nut and the piston rod coordinates, and realizes adjusting nut in the work by rotation
It is movable on stopper rod, so that driving the handle to be moved forward and backward on the piston rod carrys out adjusting position.
Preferably, handle buffering is installed around the piston rod on the end face relative with the bonnet of the handle
Packing ring, the handle buffer gasket protrusion is on the end face of the handle.
The beneficial effects of the utility model are：
Piston of the present utility model is simple with the mode that is connected of piston rod, determines using be placed in piston front and back end first
Position back-up ring and the second positioning retainer ring are positioned and stress, and position the second positioning retainer ring with cushion collar and positioning O-ring, make the
The positioning fastening of two positioning retainer rings is firm, so that piston positioning fastening is firm, improves the axiality of piston and piston rod, makes product
It is product stable movement, smooth.The attachment structure of piston of the present utility model and piston rod is simple, saves material, simplify processing and
The workload of assembling.
Brief description of the drawings
Fig. 1 is the stereogram of single pole stroke adjustment cylinder of the present utility model；
Fig. 2 is B-B sectional views in Fig. 1；
Fig. 3 is A-A sectional views in Fig. 1.
The realization of the utility model purpose, functional characteristics and advantage will be described further referring to the drawings in conjunction with the embodiments.
Specific embodiment
It should be appreciated that specific embodiment described herein is only used to explain the utility model, it is not used to limit this
Utility model.
Referring to figs. 1 to Fig. 3, an embodiment of single pole stroke adjustment cylinder of the present utility model is proposed：
A kind of single pole stroke adjustment cylinder, including cylinder barrel 8, the protecgulum 2 installed in the front port of cylinder barrel 8, after cylinder barrel 8
The bonnet 18 of port, the piston rod 7 through the front and back end of cylinder barrel 8 and in the cylinder barrel 8 and suit is connected to the work on piston rod 7
Plug 10.Be provided with the nose air intake 22 for being input into compressed air on the side wall of cylinder barrel 8, nose air intake 22 be located at in protecgulum 2
The horizontal level in face, is provided with the rear air inlet 15 for being input into compressed air on bonnet 18.Between protecgulum 2 and piston rod 7
And oilless bearing 3 and dust-proof seal ring 1 are fitted between bonnet 18 and piston rod 7.In protecgulum 2 and the front console of cylinder barrel 8
Between and bonnet 18 and the rear end panel of cylinder barrel 8 between be provided with hole back-up ring 4, between the internal face of protecgulum 2 and cylinder barrel 8
And end cap O-ring 5 is mounted between the internal face of bonnet 18 and cylinder barrel 8.Work has been fitted around on the side wall of piston 10
Plug sealing ring 11, piston packing 11 is pressed between the internal face of piston 10 and cylinder barrel 8, for increasing piston 10 and cylinder barrel 8
Air-tightness between inwall.
Fixation is surrounded with the first positioning retainer ring 9, the second positioning retainer ring 12 and positioning O-ring successively on piston rod 7
17.In piston 10 for being provided with annular being adapted to the first positioning retainer ring 9 on the endoporus internal face that is connected with piston rod 7
One back-up ring installation position, the first back-up ring installation position is arranged on the front end of piston 10, and the first positioning retainer ring 9 is placed in the first back-up ring installation position
On, and the first positioning retainer ring 9 front end protrude before piston 10.Second positioning retainer ring 12 is located at the rear of piston 10,
Cushion collar 16 is set with piston rod 7, cushion collar 16 is located at the rear of piston 10.In relative with piston 10 of cushion collar 16
End is provided with the second back-up ring installation position being adapted to the second positioning retainer ring 12, is provided with and positioning O-ring in the other end of cushion collar 16
The centring ring installation position of 17 adaptations, the second positioning retainer ring 12 is placed on the second back-up ring installation position, and positioning O-ring 17 is placed in centring ring
On installation position.The mode that is connected of piston 10 and piston rod 7 is using the first positioning retainer ring 9 for being placed in the front and back end of piston 10 and the
Two positioning retainer rings 12 are positioned and stress, and with cushion collar 16 and positioning O-ring 17 position the second positioning retainer ring 12, make second
The positioning fastening of positioning retainer ring 12 is firm, so that the positioning fastening of piston 10 is firm, improves piston 10 coaxial with piston rod 7
Degree, makes product stable movement, smooth.Piston 10 is simple with the attachment structure of piston rod 7, saves material, simplifies processing and fills
The workload matched somebody with somebody.
Close installation has the first O-ring between the joint face of piston 10 and piston rod 7, for increasing piston 10 and piston
Tautness between bar 7.Close installation has the second O-ring between the joint face that cushion collar 16 and piston 10 are covered, for increasing
Tautness between cushion collar 16 and piston rod 7.
Corresponding with the position of the first positioning retainer ring 9 and adaptation back-up ring groove is provided with the inner face of protecgulum 2, is transported forward in piston 10
Move when being contacted with protecgulum 2, back-up ring groove is used to accommodate the part of the protrusion of the first positioning retainer ring 9.In protecgulum 2 and the phase of piston 10
To inner face the end cap buffer gasket 6 set around piston rod 7 is installed, end cap buffer gasket 6 is in the protecgulum 2 towards piston 10
Direction is protruded, and for the impulsive force of the damper piston 10 when piston 10 is moved forward to and contacted with protecgulum 2, is shaken with reducing cylinder
It is dynamic, protect parts.
The inner face relative with piston 10 of bonnet 18 is provided with the inner via hole passed through for piston rod 7, inner via hole and piston rod 7 it
Between gap formed venting channels.Air inlet 15 is connected with venting channels afterwards, and it is logical that compressed air enters ventilation from rear air inlet 15
Road travels forward promoting piston 10.
The buffering outlet for the choke valve 14 of outside and venting channels being communicated with bonnet 18 and being connected with choke valve 14
Passage, the front end for buffering outlet passageway is relative with the rear end of piston 10.
Cushion seal circle 13 is provided with the wall of the venting channels of bonnet 18, cushion collar 16 is with the motion of piston rod 7
Fill in venting channels, be in close contact to clog the front port of venting channels with cushion seal circle 13.
As shown in Fig. 2 when piston 10 is moved right under compressed air promotion, the gas of the right chamber of cylinder barrel 8 is logical through ventilation
Road and rear air inlet 15 are discharged.Moved close to end of travel in piston 10, when cushion collar 16 is contacted with cushion seal circle 13, buffering
Set 16 blocks venting channels, and when piston 10 continues to move right, the residual gas being enclosed in cylinder right chamber is compressed, lentamente
Discharged from choke valve 14 and rear air inlet 15 by buffering outlet passageway, make piston 10 steady in stroke end movement, do not produced
Impact.
Screw thread is provided with the end sidewalls face in the direction of bonnet 18 in piston rod 7, and hand is installed in the position
Handle 20 and the adjusting nut 21 positioned at the top of handle 20.The threaded adapter on screw thread and piston rod 7 in adjusting nut 21, regulation
Nut 21 coordinates with the screw thread on piston rod 7, realizes that adjusting nut 21 is movable on piston rod 7 by rotation, so that
Band fixed handle 20 is moved forward and backward on piston rod 7 and carrys out adjusting position.
Handle buffer gasket 19 is installed around piston rod 7 on the end face relative with bonnet 18 of handle 20, handle delays
Packing ring 19 is rushed to protrude on the end face of handle 20, for being travelled forward in piston 10, the impact of buffering handle 20 and bonnet 18.
As shown in Fig. 2 when compressed air enters right chamber, piston 10 in the presence of compressed air, to left movement, due to
Using a piston rod 7, positioning retainer ring and the positioning and fixing structure of positioning O-ring 17, the non-convention of axiality of piston rod 7 are used
Think, piston rod used 7 is very steady, smooth when moving, borehole stability when making gang drill mechanism drill.Piston rod 7 is to left movement
Distance can be adjusted by handle 20.When compressed air enters left chamber, piston 10 is transported to the right in the presence of compressed air
It is dynamic.
Preferred embodiment of the present utility model is the foregoing is only, the scope of the claims of the present utility model is not thereby limited,
The equivalent structure transformation that every utilization the utility model specification and accompanying drawing content are made, or directly or indirectly it is used in other phases
The technical field of pass, is similarly included in scope of patent protection of the present utility model.
Claims (8)
1. a kind of single pole stroke adjustment cylinder, including cylinder barrel, the protecgulum installed in the cylinder barrel front port, installed in the cylinder barrel
The bonnet of rear port, the piston rod through the cylinder barrel front and back end and in the cylinder barrel and suit be connected to the piston
Piston on bar, it is characterised in that fixation is surrounded with the first positioning retainer ring, the second positioning gear successively on the piston rod
Circle and positioning O-ring, determine for being provided with the endoporus internal face that be connected with the piston rod in the piston with described first
The first annular back-up ring installation position of position back-up ring adaptation, the first back-up ring installation position is arranged on the front end of the piston, described
First positioning retainer ring is placed on the first back-up ring installation position, and the front end of first positioning retainer ring is protruded in the piston
Above, second positioning retainer ring is located at the rear of the piston, and cushion collar, the cushion collar are housed in the upper cover of piston rod
Positioned at the rear of the piston, it is provided with suitable with second positioning retainer ring in one end relative with the piston of the cushion collar
The the second back-up ring installation position matched somebody with somebody, the centring ring installation position being adapted to the positioning O-ring is provided with the other end of the cushion collar,
Second positioning retainer ring is placed on the second back-up ring installation position, and the positioning O-ring is placed on the centring ring installation position；
The end cap buffer gasket set around the piston rod, institute are installed in the inner face relative with the piston of the protecgulum
State end cap buffer gasket to be protruded towards the piston direction from the protecgulum, be provided with fixed with described first in the protecgulum inner face
The back-up ring groove of position back-up ring position correspondence and adaptation；
The inner face relative with the piston of the bonnet is provided with the inner via hole passed through for the piston rod, the inner via hole and institute
The gap stated between piston rod forms venting channels, and the wall of the venting channels for covering in the rear is provided with cushion seal circle, institute
Cushion collar is stated as the motion of the piston rod is filled in the venting channels, is in close contact to clog with the cushion seal circle
The front port of the venting channels；In the rear lid in be communicated with outside and described venting channels choke valve and with the section
The buffering outlet passageway of stream valve connection, the front end of the buffering outlet passageway is relative with the rear end of the piston.
2. single pole stroke adjustment cylinder according to claim 1, it is characterised in that in the piston and the piston rod
Close installation has the first O-ring between joint face, and close installation has between the joint face of the cushion collar and the piston cap
Second O-ring.
3. single pole stroke adjustment cylinder according to claim 1, it is characterised in that before being provided with the wall of the cylinder barrel side
Air inlet, the nose air intake is located at the horizontal level with the protecgulum inner face, covers be provided with logical with the ventilation in the rear
The rear air inlet of road connection.
4. single pole stroke adjustment cylinder according to claim 1, it is characterised in that the protecgulum and the piston rod it
Between and the bonnet and the piston rod between be fitted with oilless bearing and dust-proof seal ring.
5. single pole stroke adjustment cylinder according to claim 4, it is characterised in that before the protecgulum with the cylinder barrel
Be provided with hole back-up ring between end plates and between the bonnet and the rear end panel of the cylinder barrel, the protecgulum with it is described
End cap O-ring is mounted between the internal face of cylinder barrel and between the internal face of the bonnet and the cylinder barrel.
6. single pole stroke adjustment cylinder according to claim 1, it is characterised in that surround on the side wall of the piston
Piston packing is installed, the piston packing is pressed between the internal face of the piston and the cylinder barrel, for increasing
Air-tightness between piston and inner wall of cylinder.
7. single pole stroke adjustment cylinder according to any one of claim 1 to 6, it is characterised in that in the piston rod
Screw thread is provided with the end sidewalls face in the bonnet direction, and handle is installed and positioned at the handle in the position
Threaded adapter on the adjusting nut at top, screw thread in the adjusting nut and the piston rod, the adjusting nut and institute
The screw thread stated on piston rod coordinates, and realizes that adjusting nut is movable on the piston rod by rotation, so as to drive institute
State handle and moved forward and backward on the piston rod and carry out adjusting position.
8. single pole stroke adjustment cylinder according to claim 7, it is characterised in that in the handle and the bonnet phase
To end face on handle buffer gasket is installed around the piston rod, the handle buffer gasket protrusion is at the end of the handle
On face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621381709.1U CN206257105U (en) | 2016-12-15 | 2016-12-15 | A kind of single pole stroke adjustment cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621381709.1U CN206257105U (en) | 2016-12-15 | 2016-12-15 | A kind of single pole stroke adjustment cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206257105U true CN206257105U (en) | 2017-06-16 |
Family
ID=59029068
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621381709.1U Active CN206257105U (en) | 2016-12-15 | 2016-12-15 | A kind of single pole stroke adjustment cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206257105U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109854566A (en) * | 2019-04-03 | 2019-06-07 | 大族激光科技产业集团股份有限公司 | A kind of air cylinder device of adjustable stroke |
| CN110345125A (en) * | 2019-08-01 | 2019-10-18 | 乐清市恒一气动有限公司 | Adjustable cylinder is used in a kind of printing |
| CN110345125B (en) * | 2019-08-01 | 2024-05-17 | 乐清市恒一气动有限公司 | Adjustable cylinder for printing |
-
2016
- 2016-12-15 CN CN201621381709.1U patent/CN206257105U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109854566A (en) * | 2019-04-03 | 2019-06-07 | 大族激光科技产业集团股份有限公司 | A kind of air cylinder device of adjustable stroke |
| CN109854566B (en) * | 2019-04-03 | 2020-06-12 | 大族激光科技产业集团股份有限公司 | Cylinder device with adjustable stroke |
| CN110345125A (en) * | 2019-08-01 | 2019-10-18 | 乐清市恒一气动有限公司 | Adjustable cylinder is used in a kind of printing |
| CN110345125B (en) * | 2019-08-01 | 2024-05-17 | 乐清市恒一气动有限公司 | Adjustable cylinder for printing |
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| Date | Code | Title | Description |
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| GR01 | Patent grant |