CN203463414U - Oil cylinder with adjustable stroke and installation distance - Google Patents
Oil cylinder with adjustable stroke and installation distance Download PDFInfo
- Publication number
- CN203463414U CN203463414U CN201320609007.4U CN201320609007U CN203463414U CN 203463414 U CN203463414 U CN 203463414U CN 201320609007 U CN201320609007 U CN 201320609007U CN 203463414 U CN203463414 U CN 203463414U
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- cylinder
- cylinder body
- piston rod
- oil cylinder
- piston
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Abstract
The utility model discloses an oil cylinder with adjustable stroke and installation distance. The oil cylinder comprises a cylinder body, a piston, a cylinder sleeve, a piston rod and a cylinder bottom. The cylinder bottom is fixed at the left end of the cylinder body and seals the left end of the cylinder body. The cylinder sleeve is fixed at the right end of the cylinder body and seals the right end of the cylinder body. An installation ring is fixedly arranged at the right end of the cylinder bottom, the piston is arranged in the cylinder body, the left end of the piston rod is fixedly connected with the piston, and the right end of the piston rod penetrates through the cylinder sleeve and then extends out of the cylinder body. A threaded section is arranged on the peripheral face of the right part, extending out of the cylinder sleeve, of the piston rod, and the threaded section is sleeved with a swivel nut. A lug ring is fixedly arranged at the right end of the piston rod. The oil cylinder with the adjustable stroke and installation distance has the advantages of being simple in structure, convenient to control, and the like, besides, the stroke and installation distance of the oil cylinder can be dynamically adjusted.
Description
Technical field
The utility model relates to a kind of oil cylinder, particularly a kind ofly can in main frame debugging or working procedure, dynamically adjust the oil cylinder of stroke and mounting distance.
Background technique
Oil cylinder, oil hydraulic cylinder, is straight line moving type executive component conventional in hydraulic system, by mode of structure difference, is mainly divided into piston type, plunger type, telescopic.Cylinder structure is simple, and reliable operation is widely used, and oil cylinder is directly connected with operation mechanism.The stroke of oil cylinder and mounting distance are one of important parameters in whole mechanism design work.Yet, in actual use, main frame client sometimes need the stroke of oil cylinder and mounting distance adjustable, in certain scope, all can realize the transmission to mechanism.Even, some host works mechanism, in debugging or working procedure, also needs dynamically to adjust stroke and the mounting distance of oil cylinder.Existing oil cylinder, stroke and mounting distance are all fixed, and cannot adjust.Once stroke or mounting distance are not suitable for main frame, can only change oil cylinder or adjust main frame, troublesome poeration, changing oil cylinder has also increased user cost.
Model utility content
The utility model is the deficiency existing in above-mentioned prior art for avoiding, and provides a kind of stroke and mounting distance adjustable oil cylinder, to solve the stroke of oil cylinder in prior art and the problem that mounting distance cannot be adjusted.
The utility model be technical solution problem by the following technical solutions.
The oil cylinder that stroke and mounting distance are adjustable, its structural feature is to comprise cylinder body, piston, cylinder sleeve, piston rod and cylinder bottom; Described cylinder bottom is fixed on the left end of described cylinder body, and by the left end sealing of cylinder body; Described cylinder sleeve is fixed on the right-hand member of described cylinder body, and by the right-hand member sealing of cylinder body; The right-hand member of described cylinder bottom is fixedly installed installing ring; Within described piston is arranged at described cylinder body, the left end of described piston rod and described piston are fixedly connected, and the right-hand member of described piston rod stretches out in outside described cylinder body through after described cylinder sleeve; On the outer circumferential face of the part on the right side that stretches out in described cylinder sleeve of described piston rod, be provided with thread section, on described thread section, be arranged with swivel nut; The right part of described piston rod is fixedly installed earrings.
The structural feature of the oil cylinder that stroke of the present utility model and mounting distance are adjustable is also:
On the outer circumferential face of described piston, be provided with a plurality of seal rings.
The two ends of the casing wall of described cylinder body are respectively arranged with the first hydraulic fluid port and the second hydraulic fluid port.
The axial screw thread section of described swivel nut is provided with an opening, and the width range of described opening is 0.5mm~25mm, and described swivel nut opening is penetrated by a screw, in described screw, is provided with bolt, by bolt, nut and spring washer, swivel nut is locked.
Compared with the prior art, the utility model beneficial effect is embodied in:
The oil cylinder that stroke of the present utility model and mounting distance are adjustable, described piston and cylinder inner bore are that gap arranges, and piston is contacted and is formed motive sealing by seal ring with cylinder inner bore, and piston and piston rod displacement distance in cylinder body is oil cylinder stroke; Piston rod is provided with swivel nut, piston rod with swivel nut for being threaded.The utility model is by screw thread transmission, adjust the variation of swivel nut position on piston rod, the position that changes piston and piston rod confined planes in movement process, is locked swivel nut by bolt, bullet pad, nut, realizes the requirement of operation mechanism to the different strokes of oil cylinder and mounting distance.The utlity model has simple in structurely, it is convenient, accurately to control, and does not affect cylinder seal and can in main frame debugging or working procedure, dynamically adjust the advantage of oil cylinder stroke and mounting distance.
The oil cylinder that stroke of the present utility model and mounting distance are adjustable, has capable of dynamic and adjusts oil cylinder stroke and mounting distance, simple in structure, controls the advantages such as convenient.
Accompanying drawing explanation
Fig. 1 is the plan view of the adjustable oil cylinder of stroke of the present utility model and mounting distance.
Fig. 2 is the plan view of the adjustable oil cylinder of stroke of the present utility model and mounting distance.
Label in accompanying drawing 1~accompanying drawing 2: 1 cylinder body, 2 pistons, 3 cylinder sleeves, 4 piston rods, 5 cylinder bottoms, 6 installing rings, 61 mounting holes, 7 swivel nuts, 71 openings, 8 earrings, 81 earrings holes, 9 seal rings, 10 first hydraulic fluid ports, 11 second hydraulic fluid ports, 12 bolts, 13 nuts, 14 spring washers.
Below pass through embodiment, and the utility model is described in further detail by reference to the accompanying drawings.
Embodiment
Referring to accompanying drawing 1~accompanying drawing 2, the oil cylinder that stroke and mounting distance are adjustable, it comprises cylinder body 1, piston 2, cylinder sleeve 3, piston rod 4 and cylinder bottom 5; Described cylinder bottom 5 is fixed on the left end of described cylinder body 1, and by the left end sealing of cylinder body 1; Described cylinder sleeve 3 is fixed on the right-hand member of described cylinder body 1, and by the right-hand member sealing of cylinder body 1; The right-hand member of described cylinder bottom 5 is fixedly installed installing ring 6; Within described piston 2 is arranged at described cylinder body 1, the left end of described piston rod 4 and described piston 2 are fixedly connected, and the right-hand member of described piston rod 4 stretches out in outside described cylinder body 1 through after described cylinder sleeve 3; On the outer circumferential face of the part on the right side that stretches out in described cylinder sleeve 3 of described piston rod 4, be provided with thread section, be arranged with swivel nut 7 on described thread section, described swivel nut can move left and right on thread section; By the butt of swivel nut and cylinder sleeve right side, can adjust piston limit position to left movement in cylinder body.; The right part of described piston rod 4 is fixedly installed earrings 8.
Fit system between described piston and cylinder inner bore is Spielpassung, and piston is contacted and formed motive sealing by seal ring with cylinder inner bore.Piston and piston rod displacement distance in cylinder body is oil cylinder stroke S.Described cylinder body left end is provided with installing ring, and installing ring is provided with mounting hole 61; Described piston rod right-hand member is connected with earrings, and earrings is provided with earrings hole 81.Described mounting hole 61 is connected with host work mechanism respectively with earrings hole 81, and the distance between the axis of mounting hole 61 and the axis in earrings hole 81 is oil cylinder mounting distance L.
By screw thread transmission, adjust the variation of swivel nut position on piston rod, the position that changes piston and piston rod confined planes in movement process, is locked swivel nut by bolt, bullet pad, nut, realizes the requirement of operation mechanism to the different stroke S of oil cylinder and mounting distance L.After oil cylinder is connected with operation mechanism, described swivel nut can, according to main frame debugging or requirements of one's work, dynamically be adjusted oil cylinder stroke S and mounting distance L.
By structural design, improve, swivel nut is set on piston rod, stroke S does not contact with fluid with mounting distance L controlling component, do not contact with oil cylinder outer connection component, have simple in structure, it is convenient, accurate to control, and does not affect cylinder seal and can in main frame debugging or working procedure, dynamically adjust the advantage of oil cylinder stroke and mounting distance.
Described swivel nut does not contact with fluid, described swivel nut does not contact with earrings with cylinder body, therefore, and after mounting hole 61 is connected with host work mechanism respectively with earrings hole 81, described swivel nut can, according to main frame debugging or requirements of one's work, dynamically be adjusted oil cylinder stroke and mounting distance.
In sum, the utlity model has simple in structurely, it is convenient, accurately to control, and does not affect cylinder seal and can in main frame debugging or working procedure, dynamically adjust the advantage of oil cylinder stroke and mounting distance.
On the outer circumferential face of described piston 2, be provided with a plurality of seal rings 9.
The two ends of the casing wall of described cylinder body 1 are respectively arranged with the first hydraulic fluid port 10 and the second hydraulic fluid port 11.On described the first hydraulic fluid port and the second hydraulic fluid port, be provided for respectively the attachment cap of connected pipes, thereby make hydraulic oil to pass in and out two hydraulic fluid ports by oil pipe and attachment cap.
The axial screw thread section of described swivel nut 7 is provided with an opening 71, the width range of described opening 71 is 0.5mm~25mm, described swivel nut opening 71 places are penetrated by a screw, are provided with bolt 12 in described screw, by bolt 12, nut 13 and spring washer 14, swivel nut 7 are locked.
By the adjustment of nuts and bolt, can control the opening width of swivel nut, make the swivel nut can be stuck on piston rod, to avoid swivel nut that slippage occurs on piston rod.In the time of need to adjusting piston stroke S and mounting distance L, unclamp nut, and then rotary threaded sleeve, make swivel nut along the moving axially of piston rod, can realize the size adjustment of piston stroke S and mounting distance L.
Described swivel nut does not contact with fluid, described swivel nut does not contact with earrings with cylinder body, therefore, and after the mounting hole of oil cylinder is connected with host work mechanism respectively with earrings hole, described swivel nut can, according to main frame debugging or requirements of one's work, dynamically be adjusted oil cylinder stroke S and mounting distance L.
The utility model is not limited to above-mentioned ram cylinder, as operating mode determines to use piston type cylinder or telescopic cylinder all to belong to the protection domain of this patent.
Although the utility model is illustrated hereinbefore according to preferred embodiment, this does not represent that scope of the present utility model is confined to above-mentioned structure, as long as the structure being covered by the utility model claim is all within protection domain.Those skilled in the art are reading the equivalent substitution structure that can develop at an easy rate after above-mentioned explanation, and equalization variation and the modification under the spirit that does not depart from the utility model and scope, done, within all should being covered by the utility model protection domain.
Claims (4)
1. the adjustable oil cylinder of stroke and mounting distance, is characterized in that, comprises cylinder body (1), piston (2), cylinder sleeve (3), piston rod (4) and cylinder bottom (5); Described cylinder bottom (5) is fixed on the left end of described cylinder body (1), and by the left end sealing of cylinder body (1); Described cylinder sleeve (3) is fixed on the right-hand member of described cylinder body (1), and by the right-hand member sealing of cylinder body (1); The right-hand member of described cylinder bottom (5) is fixedly installed installing ring (6); Within described piston (2) is arranged at described cylinder body (1), the left end of described piston rod (4) and described piston (2) are fixedly connected, and the right-hand member of described piston rod (4) stretches out in outside described cylinder body (1) through after described cylinder sleeve (3); On the outer circumferential face of the part on the right side that stretches out in described cylinder sleeve (3) of described piston rod (4), be provided with thread section, on described thread section, be arranged with swivel nut (7); The right part of described piston rod (4) is fixedly installed earrings (8).
2. the adjustable oil cylinder of stroke according to claim 1 and mounting distance, is characterized in that, is provided with a plurality of seal rings (9) on the outer circumferential face of described piston (2).
3. the adjustable oil cylinder of stroke according to claim 1 and mounting distance, is characterized in that, the two ends of the casing wall of described cylinder body (1) are respectively arranged with the first hydraulic fluid port (10) and the second hydraulic fluid port (11).
4. the adjustable oil cylinder of stroke according to claim 1 and mounting distance, it is characterized in that, the axial screw thread section of described swivel nut (7) is provided with an opening (71), the width range of described opening (71) is 0.5mm~25mm, described swivel nut opening (71) is located to be penetrated by a screw, in described screw, be provided with bolt (12), by bolt (12), nut (13) and spring washer (14), swivel nut (7) locked.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201320609007.4U CN203463414U (en) | 2013-09-29 | 2013-09-29 | Oil cylinder with adjustable stroke and installation distance |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201320609007.4U CN203463414U (en) | 2013-09-29 | 2013-09-29 | Oil cylinder with adjustable stroke and installation distance |
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CN203463414U true CN203463414U (en) | 2014-03-05 |
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Application Number | Title | Priority Date | Filing Date |
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CN201320609007.4U Expired - Fee Related CN203463414U (en) | 2013-09-29 | 2013-09-29 | Oil cylinder with adjustable stroke and installation distance |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103470571A (en) * | 2013-09-29 | 2013-12-25 | 合肥长源液压股份有限公司 | Stroke and mounting distance-adjustable oil cylinder |
CN109538812A (en) * | 2017-12-19 | 2019-03-29 | 日扬电子科技(上海)有限公司 | multi-position adjusting mechanism |
-
2013
- 2013-09-29 CN CN201320609007.4U patent/CN203463414U/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103470571A (en) * | 2013-09-29 | 2013-12-25 | 合肥长源液压股份有限公司 | Stroke and mounting distance-adjustable oil cylinder |
CN103470571B (en) * | 2013-09-29 | 2017-05-03 | 合肥长源液压股份有限公司 | Stroke and mounting distance-adjustable oil cylinder |
CN109538812A (en) * | 2017-12-19 | 2019-03-29 | 日扬电子科技(上海)有限公司 | multi-position adjusting mechanism |
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Legal Events
Date | Code | Title | Description |
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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: 20140305 Termination date: 20170929 |