CN208719058U - A kind of stroke adjustable cylinder - Google Patents
A kind of stroke adjustable cylinder Download PDFInfo
- Publication number
- CN208719058U CN208719058U CN201821402954.5U CN201821402954U CN208719058U CN 208719058 U CN208719058 U CN 208719058U CN 201821402954 U CN201821402954 U CN 201821402954U CN 208719058 U CN208719058 U CN 208719058U
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- piston
- wall
- cylinder body
- cylinder
- front cover
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Abstract
The utility model relates to adjustable cylinder fields, in particular to a kind of stroke adjustable cylinder, including cylinder body, piston, regulating nut, two nuts, two piston rods and two front covers, two nuts are separately positioned on one end that two piston rods are located remotely from each other, regulating nut is set in the outside of one of piston rod, and regulating nut and the piston rod thread cooperate, the one end of regulating nut far from cylinder body and one of nut contradict, a coaxial screw is provided on piston, the both ends of screw are fixedly connected with the end of two piston rods respectively, the air inlet for being connected to cylinder interior is provided on the side wall of two front covers, it is tightly connected between the outer wall of piston and the inner wall of cylinder body, it is tightly connected between the outer wall and front cover of piston rod, a kind of stroke adjustable cylinder of the utility model, it is capable of the stroke of on-demand regulating piston bar, from And it is applied widely, without preparing the cylinder of plurality of specifications.
Description
Technical field
The utility model relates to adjustable cylinder field, in particular to a kind of stroke adjustable cylinder.
Background technique
Cylinder is the cylindrical metal parts for guiding piston to carry out straight reciprocating motion in cylinder, and air is in cylinder
In mechanical energy converted heat by expansion, gas receiving piston in compresser cylinder compresses and improves pressure, and cylinder is wide
General application and plays extremely critical effect in automatic production with industrial processes, but in many applied fields
The stroke for the cylinder for needing to use in conjunction is also all not quite similar, and many times needs to be equipped with the cylinder of plurality of specifications for using,
It is therefore desirable to design a kind of cylinder of adjusting travel that can be convenient, flexible.
Summary of the invention
The purpose of this utility model is that in view of the deficiencies of the prior art, providing a kind of stroke adjustable cylinder.
To solve the above problems, the utility model the following technical schemes are provided:
Before a kind of stroke adjustable cylinder, including cylinder body, piston, regulating nut, two nuts, two piston rods and two
Lid, two front covers are symmetricly set on the both ends of cylinder body, and two front covers are interference fitted with the both ends of cylinder body connect respectively, piston
What can be slided is arranged in the inside of cylinder body, and two piston rods are symmetricly set on the both ends of piston, and one end of piston rod is inserted in
At the center of piston, the other end passes through corresponding front cover and extends outwardly, and it is mutual that two nuts are separately positioned on two piston rods
Separate one end, regulating nut is set in the outside of one of piston rod, and regulating nut and the piston rod thread cooperate,
The one end of regulating nut far from cylinder body and one of nut contradict, and are provided with a coaxial screw on piston, and the two of screw
End be fixedly connected respectively with the end of two piston rods, be provided on the side wall of two front covers for be connected to cylinder interior into
Stomata is tightly connected between the outer wall of piston and the inner wall of cylinder body, is tightly connected between the outer wall and front cover of piston rod, cylinder body,
Piston, screw, regulating nut, two nuts, two front covers and two piston rods are coaxially arranged.
Preferably, it is connected between two front covers by several stay bolts, outer lateral edge of all stay bolts in cylinder body
Circumferencial direction is uniformly distributed, the axis direction of the axis directions of all stay bolts each parallel to cylinder body.
Preferably, each front cover is provided with the stepped perforation passed through for piston rod, and step type perforation is by macropore
It is formed by connecting with aperture, the aperture of step type perforation is located at the one end of front cover far from cylinder body, before the macropore of step type perforation is located at
One end of close cylinder body is covered, the diameter of piston rod is equal to the stepped hole diameter perforated, on the aperture inner wall that step type is perforated
It is fixedly installed the dustband being bonded with piston rod outer wall, is fixedly installed on one end inner wall of the close aperture of macropore and piston
The bushing of bar outer wall fitting, macropore are fixedly installed a bumper ring far from one end of aperture.
Preferably, the both ends of the piston are provided with coaxial sleeve, and one end of two piston rods is fixed respectively
It plugs with two sleeves, the outer diameter of sleeve is equal to the aperture of macropore, and the end of sleeve can contradict the end of bushing, bumper ring
Internal diameter be equal to sleeve outer diameter, between one end outer wall of two piston rods and corresponding sleeve inner wall pass through one the 2nd 0
Type circle is tightly connected.
Preferably, it is tightly connected between the outer wall of the front cover and the inner wall of cylinder body by an one 0 type circle.
Preferably, it is tightly connected between the outer wall of the piston and the inner wall of cylinder body by two Y-shaped rings, two Y-shaped rings
The both ends of piston are located at, fixed strip is gone back on the outer wall of piston and is equipped with a wear ring being slidably matched with inboard wall of cylinder block, it is resistance to
Bull ring is located between two Y-shaped rings.
Preferably, the regulating nut is fixedly connected with a nylon washer, nylon washer sliding close to one end of cylinder body
It is arranged on the piston rod.
The utility model has the advantages that a kind of stroke adjustable cylinder of the utility model makes regulating nut in work by rotating regulating nut
It is moved in the axial direction of stopper rod, so that the distance between nylon washer and adjacent front cover are adjusted, so that regulating piston bar is being done
Stroke distances when reciprocating motion, the trip distance are nylon washer apart from the distance between front cover outer end face, and stay bolt is protected
The both ends for being connected to cylinder body that two front covers can be stable and firm are demonstrate,proved, dustband avoids external dust from entering cylinder interior, delays
For punching circle to provide enough bufferings when piston contact front cover, the one 0 type circle, the 2nd 0 type circle and Y-shaped ring are effectively guaranteed zero
Leakproofness between part, nylon washer provide enough bufferings, one kind of the utility model when contacting front cover for regulating nut
Stroke adjustable cylinder is capable of the stroke of on-demand regulating piston bar, thus it is applied widely, without preparing the gas of plurality of specifications
Cylinder.
Detailed description of the invention
Fig. 1 show the planar structure schematic diagram of the utility model；
Description of symbols: dustband 1, front cover 2, bushing 3, the 4, the 1st type circle 5 of bumper ring, cylinder body 6, Y-shaped ring 7 are wear-resisting
The 8, the 2nd 0 type circle 9 of ring, piston rod 10, stay bolt 11, sleeve 12, screw 13, piston 14, nylon washer 15, regulating nut 16,
Nut 17, macropore 18.
Specific embodiment
With reference to the accompanying drawings of the specification and embodiment, specific embodiment of the utility model is described in further detail:
A kind of stroke adjustable cylinder shown in referring to Fig.1, including cylinder body 6, piston 14,16, two nuts 17 of regulating nut,
Two piston rods 10 and two front covers 2, two front covers 2 are symmetricly set on the both ends of cylinder body 6, and two front covers 2 respectively with cylinder
The both ends of body 6 are interference fitted connection, and what piston 14 can slide is arranged in the inside of cylinder body 6, and two piston rods 10 are symmetrical arranged
At the both ends of piston 14, one end of piston rod 10 is inserted at the center of piston 14, and the other end passes through corresponding front cover 2 simultaneously outward
Extend, two nuts 17 are separately positioned on one end that two piston rods 10 are located remotely from each other, and regulating nut 16 is set in one of them
The outside of piston rod 10, and regulating nut 16 is threadedly engaged with the piston rod 10, the one end of regulating nut 16 far from cylinder body 6 with
One of nut 17 contradicts, and is provided with a coaxial screw 13 on piston 14, the both ends of screw 13 respectively with two pistons
The end of bar 10 is fixedly connected, and the air inlet for being connected to inside cylinder body 6, piston 14 are provided on the side wall of two front covers 2
Outer wall and cylinder body 6 inner wall between be tightly connected, be tightly connected between the outer wall and front cover 2 of piston rod 10, cylinder body 6, piston
14, screw 13,17, two, the nut front cover 2 of regulating nut 16, two and two piston rods 10 are coaxially arranged.
It is connected between two front covers 2 by several stay bolts 11, outer lateral edge circle of all stay bolts 11 in cylinder body 6
Circumferential direction is uniformly distributed, and the axis direction of all stay bolts 11 ensure that two front covers 2 each parallel to the axis direction of cylinder body 6
Both ends for being connected to cylinder body 6 that can be stable and firm.
Each front cover 2 is provided with the stepped perforation passed through for piston rod 10, and step type perforation is by 18 He of macropore
Aperture is formed by connecting, and the aperture of step type perforation is located at the one end of front cover 2 far from cylinder body 6, and the macropore 18 of step type perforation is located at
For front cover 2 close to one end of cylinder body 6, the diameter of piston rod 10 is equal to the hole diameter of stepped perforation, the aperture of step type perforation
It is fixedly installed the dustband 1 being bonded with 10 outer wall of piston rod on inner wall, is fixed on one end inner wall of the close aperture of macropore 18
It is provided with the bushing 3 being bonded with 10 outer wall of piston rod, macropore 18 is fixedly installed a bumper ring 4 far from one end of aperture, prevents
Konisphere 1 and bumper ring 4 are that NBR material is made, and bushing 3 is made of wear-resistant material, and dustband 1 avoids external dust from entering cylinder body
Inside 6, bumper ring 4 provides enough bufferings when contacting front cover 2 for piston 14.
The both ends of the piston 14 are provided with coaxial sleeve 12, and one end of two piston rods 10 is fixed respectively to insert
If the outer diameter of sleeve 12 is equal to the aperture of macropore 18, and the end of sleeve 12 can contradict the end of bushing 3 in two sleeves 12
Portion, the internal diameter of bumper ring 4 is equal to the outer diameter of sleeve 12, between one end outer wall of two piston rods 10 and corresponding 12 inner wall of sleeve
It is tightly connected by a 2nd 0 type circle 9, the 2nd 0 type sealing ring is made of NBR material.
It is tightly connected between the outer wall of the front cover 2 and the inner wall of cylinder body 6 by an one 0 type circle 5, the one 0 type circle 5
It is made of BNR material branch.
It is tightly connected between the outer wall of the piston 14 and the inner wall of cylinder body 6 by two Y-shaped rings 7, two Y-shaped rings 7 divide
Not Wei Yu piston 14 both ends, fixed strip is gone back on the outer wall of piston 14 equipped with a wear ring being slidably matched with 6 inner wall of cylinder body
8, wear ring 8 is located between two Y-shaped rings 7, and Y-shaped ring 7 is made of NBR material.
The regulating nut 16 is fixedly connected with a nylon washer 15 close to one end of cylinder body 6, and nylon washer 15 slides
It is set on piston rod 10, nylon washer 15 provides enough bufferings when contacting front cover 2 for regulating nut 16.
Working principle: by rotation regulating nut 16, moving regulating nut 16 in the axial direction of piston rod 10, from
And adjust the distance between nylon washer 15 and adjacent front cover 2, thus stroke of the regulating piston bar 10 when moving reciprocatingly away from
From the trip distance is nylon washer 15 apart from the distance between 2 outer end face of front cover, and stay bolt 11 ensure that two front covers 2
Both ends for being connected to cylinder body 6 that can be stable and firm, dustband 1 avoid external dust from entering inside cylinder body 6, and bumper ring 4 is to live
Enough bufferings are provided when 14 contact front cover 2 of plug, part is effectively guaranteed in the one 0 type circle 5, the 2nd 0 type circle 9 and Y-shaped ring 7
Between leakproofness, nylon washer 15 for regulating nut 16 contact front cover 2 when provide enough bufferings.
The above descriptions are merely preferred embodiments of the present invention, not makees to the technical scope of the utility model
Any restrictions out, thus it is any trickle amendment made by the above technical examples according to the technical essence of the present invention, equivalent
Variation and modification, in the range of still falling within the technical solution of the utility model.
Claims (7)
1. a kind of stroke adjustable cylinder, it is characterised in that: including cylinder body (6), piston (14), regulating nut (16), two nuts
(17), two piston rods (10) and two front covers (2), two front covers (2) are symmetricly set on the both ends of cylinder body (6), and two
Front cover (2) is interference fitted with the both ends of cylinder body (6) connects respectively, the setting that piston (14) can slide in the inside of cylinder body (6),
Two piston rods (10) are symmetricly set on the both ends of piston (14), and one end of piston rod (10) is inserted in the center of piston (14)
Place, the other end pass through corresponding front cover (2) and extend outwardly, and it is mutual that two nuts (17) are separately positioned on two piston rods (10)
Separate one end, regulating nut (16) are set in the outside of one of piston rod (10), and regulating nut (16) and the work
Stopper rod (10) is threadedly engaged, and regulating nut (16) one end and one of nut (17) far from cylinder body (6) contradict, piston (14)
On be provided with a coaxial screw (13), the both ends of screw (13) are fixedly connected with the end of two piston rods (10) respectively,
It is provided on the side wall of two front covers (2) for being connected to the internal air inlet of cylinder body (6), the outer wall and cylinder body of piston (14)
(6) be tightly connected between inner wall, be tightly connected between the outer wall and front cover (2) of piston rod (10), cylinder body (6), piston (14),
Screw (13), regulating nut (16), two nuts (17), two front covers (2) and two piston rods (10) are coaxially arranged.
2. a kind of stroke adjustable cylinder according to claim 1, it is characterised in that: pass through between two front covers (2)
The connection of several stay bolts (11), all stay bolts (11) are distributed uniformly and circumferentially on the outside of cylinder body (6), all long spiral shells
Axis direction of the axis direction of bolt (11) each parallel to cylinder body (6).
3. a kind of stroke adjustable cylinder according to claim 1, it is characterised in that: each front cover (2) is provided with
For the stepped perforation that piston rod (10) passes through, step type perforation is formed by connecting by macropore (18) and aperture, step type perforation
Aperture is located at the one end of front cover (2) far from cylinder body (6), and the macropore (18) of step type perforation is located at front cover (2) close to cylinder body (6)
One end, the diameter of piston rod (10) are equal to the hole diameter of stepped perforation, are fixedly installed on the aperture inner wall of step type perforation
Have the dustband (1) being bonded with piston rod (10) outer wall, be fixedly installed on one end inner wall of the close aperture of macropore (18) with
The bushing (3) of piston rod (10) outer wall fitting, macropore (18) are fixedly installed a bumper ring (4) far from one end of aperture.
4. according to a kind of stroke adjustable cylinder as claimed in claim 3, it is characterised in that: the both ends of the piston (14) are provided with
Coaxial sleeve (12), one end of two piston rods (10) respectively it is fixed plug in two sleeves (12), sleeve (12)
Outer diameter be equal to macropore (18) aperture, the end of sleeve (12) can contradict the end of bushing (3), the internal diameter of bumper ring (4)
Equal to the outer diameter of sleeve (12), pass through one between one end outer wall and corresponding sleeve (12) inner wall of two piston rods (10)
2nd 0 type circle (9) is tightly connected.
5. a kind of stroke adjustable cylinder according to claim 1, it is characterised in that: the outer wall and cylinder body of the front cover (2)
(6) it is tightly connected between inner wall by an one 0 type circle (5).
6. a kind of stroke adjustable cylinder according to claim 1, it is characterised in that: the outer wall and cylinder body of the piston (14)
(6) it is tightly connected between inner wall by two Y-shaped rings (7), two Y-shaped rings (7) are located at the both ends of piston (14), piston
(14) fixed strip is gone back on outer wall equipped with a wear ring (8) being slidably matched with cylinder body (6) inner wall, wear ring (8) is located at two
Between a Y-shaped ring (7).
7. a kind of stroke adjustable cylinder according to claim 1, it is characterised in that: the regulating nut (16) is close to cylinder body
(6) one end is fixedly connected with a nylon washer (15), and nylon washer (15) is slidably located on piston rod (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821402954.5U CN208719058U (en) | 2018-08-29 | 2018-08-29 | A kind of stroke adjustable cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821402954.5U CN208719058U (en) | 2018-08-29 | 2018-08-29 | A kind of stroke adjustable cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208719058U true CN208719058U (en) | 2019-04-09 |
Family
ID=65980076
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821402954.5U Expired - Fee Related CN208719058U (en) | 2018-08-29 | 2018-08-29 | A kind of stroke adjustable cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208719058U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112549159A (en) * | 2020-11-24 | 2021-03-26 | 乐清市天瓯气动液压制造有限公司 | Thin sword divides paper machine cylinder |
-
2018
- 2018-08-29 CN CN201821402954.5U patent/CN208719058U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112549159A (en) * | 2020-11-24 | 2021-03-26 | 乐清市天瓯气动液压制造有限公司 | Thin sword divides paper machine 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: 20190409 Termination date: 20200829 |