CN210531284U - Stroke-adjustable oil cylinder - Google Patents
Stroke-adjustable oil cylinder Download PDFInfo
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- CN210531284U CN210531284U CN201921265888.6U CN201921265888U CN210531284U CN 210531284 U CN210531284 U CN 210531284U CN 201921265888 U CN201921265888 U CN 201921265888U CN 210531284 U CN210531284 U CN 210531284U
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Abstract
The utility model discloses an adjustable hydro-cylinder of stroke, including fixed protection casing, cylinder body, observation window, rolling disc, fixed cover, clamping ring, piston rod, first sealing washer, telescopic piston, second sealing washer, adjusting piston, third sealing washer, first bearing, bearing seal circle, guide bar, screw rod, screwed pipe, worm wheel, second bearing, worm, third bearing and set screw. The utility model discloses it is rational in infrastructure, can make adjusting piston remove inside the cylinder body through drive extending structure to realize the regulation of stroke, carry out the transmission through worm gear, realize the rotation of threaded rod, when the screwed pipe rotates, the screw rod passes through the direction of guide bar and guiding hole, realizes that the removal of screw rod is flexible, promotes adjusting piston, adjusts the back, realizes the auto-lock through worm gear, and stability after the guarantee stroke is adjusted avoids adjusting piston to appear removing.
Description
Technical Field
The utility model relates to an hydro-cylinder specifically is an adjustable hydro-cylinder of stroke belongs to hydro-cylinder application technical field.
Background
The hydraulic cylinder is a hydraulic actuating element which converts hydraulic energy into mechanical energy and makes linear reciprocating motion; the structure is simple, and the work is reliable; when it is used to implement reciprocating motion, it can omit speed-reducing device, and has no transmission gap, and its motion is stable, so that it can be extensively used in various mechanical hydraulic systems.
When the existing hydraulic cylinder is used, the general stroke is fixed, the stroke size can not be manually adjusted, and the stroke is changed, so that the phenomenon of inconvenient use can be caused, and the application range can be narrow. Therefore, the stroke adjustable oil cylinder is provided aiming at the problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an adjustable hydro-cylinder of stroke for solving above-mentioned problem.
The utility model discloses a technical scheme realizes above-mentioned purpose, a stroke adjustable oil cylinder, including cylinder body, drive extending structure and fixed protection casing fixedly mounted in one side of the cylinder body, the cylinder body is inside to cooperate and is connected with telescopic piston, and is provided with the second sealing washer between telescopic piston and the cylinder body, telescopic piston one side fixedly connected with piston rod, cylinder body one side rigid coupling has the fixed cover, one side fixed mounting of fixed cover has the clamping ring, fixed cover and clamping ring all cup joint with the piston rod slip, be provided with the first sealing washer between fixed cover and the clamping ring, and the first sealing washer cup joints with the piston rod slip;
the drive telescopic structure is arranged inside the fixed protective cover and comprises a first bearing, a screw rod and a threaded pipe, one end of the threaded pipe is fixedly sleeved with the first bearing, the first bearing is fixedly embedded and installed on one side of the cylinder body, the screw rod is in threaded connection with the inner wall of the threaded pipe, an adjusting piston is fixedly installed at one end of the screw rod and is in fit connection with the cylinder body, a third sealing ring is arranged between the adjusting piston and the cylinder body, a guide rod is fixedly connected to one side of the adjusting piston, scales are marked on the surface of the guide rod, a guide hole is formed in one side of the cylinder body, the guide hole is in sliding sleeve connection with the guide rod, a second bearing is fixedly sleeved at the tail end of the threaded pipe, the second bearing is fixedly connected with the inner wall of one side of the fixed protective cover, a worm wheel is fixedly sleeved on the outer, and the two ends of the worm are fixedly sleeved with third bearings, the third bearings are fixedly embedded and connected with the fixed protective cover, and a rotating disc is fixedly mounted at one end of the worm.
Preferably, the second sealing ring and the third sealing ring are respectively sleeved on the cylindrical surface of the telescopic piston and the cylindrical surface of the adjusting piston, and the number of the second sealing ring and the third sealing ring is three.
Preferably, the pressing ring is connected with the fixing sleeve through fixing screws, and the number of the fixing screws is six.
Preferably, the top and the bottom of the fixed protective cover are fixedly embedded with observation windows, and the observation windows are arc-sheet-shaped structures.
Preferably, the guide rods are of cylindrical structures, and the number of the guide rods is two.
Preferably, the first bearing, the second bearing and the third bearing are all provided with bearing sealing rings.
The utility model has the advantages that:
1. the stroke-adjustable oil cylinder can enable the adjusting piston to move in the cylinder body through driving the telescopic structure, so that stroke adjustment is realized, transmission is realized through the worm gear and the worm, rotation of the threaded rod is realized, when the threaded pipe rotates, the threaded rod is guided through the guide rod and the guide hole, movement and stretching of the threaded rod are realized, the adjusting piston is pushed, self-locking is realized through the worm gear and the worm after adjustment, stability after stroke adjustment is guaranteed, and the adjusting piston is prevented from moving;
2. this kind of adjustable hydro-cylinder of stroke is adjusting the back, through the scale on the guide bar, observation and calculation after the stroke of being convenient for is adjusted, and the setting of drive extending structure is inside fixed protection casing simultaneously, can protect, plays dirt-proof effect simultaneously, avoids the dust to get into the cylinder body from the drive extending structure.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a schematic view of the overall structure of the present invention;
fig. 3 is the schematic view of the structure of the pressing ring and the fixing screw of the present invention.
In the figure: 1. the device comprises a fixed protective cover, 2, a cylinder body, 3, an observation window, 4, a rotating disc, 5, a fixed sleeve, 6, a pressing ring, 7, a piston rod, 8, a first sealing ring, 9, a telescopic piston, 10, a second sealing ring, 11, an adjusting piston, 12, a third sealing ring, 13, a first bearing, 14, a bearing sealing ring, 15, a guide rod, 16, a screw rod, 17, a threaded pipe, 18, a worm wheel, 19, a second bearing, 20, a worm, 21, a third bearing, 22 and a fixing screw.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the embodiments described below are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Referring to fig. 1-3, a stroke-adjustable oil cylinder comprises a cylinder body 2, a driving telescopic structure and a fixed protective cover 1 fixedly installed on one side of the cylinder body 2, wherein a telescopic piston 9 is connected inside the cylinder body 2 in a matching manner, a second sealing ring 10 is arranged between the telescopic piston 9 and the cylinder body 2, a piston rod 7 is fixedly connected on one side of the telescopic piston 9, a fixed sleeve 5 is fixedly connected on one side of the cylinder body 2, a pressing ring 6 is fixedly installed on one side of the fixed sleeve 5, the fixed sleeve 5 and the pressing ring 6 are both in sliding sleeve connection with the piston rod 7, a first sealing ring 8 is arranged between the fixed sleeve 5 and the pressing ring 6, the first sealing ring 8 is in sliding sleeve connection with the piston rod 7, and the telescopic piston 9 moves in the cylinder body 2, so;
the drive extending structure sets up inside fixed protection casing 1, the drive extending structure includes primary shaft bearing 13, screw rod 16 and screwed pipe 17, screwed pipe 17 one end connects with the fixed cover 5 of primary shaft bearing 13, and the fixed gomphosis of primary shaft bearing 13 is installed in one side of cylinder body 2, the inner wall threaded connection of screw rod 16 and screwed pipe 17, and 16 one end fixed mounting of screw rod has adjusting piston 11, adjusting piston 11 is connected with the cooperation of cylinder body 2, and is provided with third sealing washer 12 between adjusting piston 11 and the cylinder body 2, one side rigid coupling of adjusting piston 11 has guide bar 15, and guide bar 15 surface mark scale, cylinder body 2 one side is opened has the guiding hole, sliding sleeve connects between guiding hole and the guide bar 15, the terminal fixed cover 5 of screwed pipe 17 has connect second bearing 19, and second bearing 19 and the fixed protection casing 1 one side inner wall rigid coupling, the fixed cover 5 of screwed pipe 17 outer wall has connect worm wheel 18, worm wheel 18 meshing is connected with worm 20, the fixed cover 5 of worm 20 both ends is all fixed and has connect third bearing 21, and third bearing 21 is connected with the fixed gomphosis of fixed protection casing 1, 20 one end fixed mounting of worm has rolling disc 4, realizes the auto-lock through worm wheel 18 and worm 20, and stability after the guarantee stroke is adjusted avoids adjusting the piston and appears removing, and 2 surfaces of cylinder body can set up the glib talker of a plurality of equidistant distribution along length direction, advances to go out oil, satisfies the demand after adjusting the stroke.
The second sealing ring 10 and the third sealing ring 12 are respectively sleeved on the cylindrical surface of the telescopic piston 9 and the cylindrical surface of the adjusting piston 11, and the number of the second sealing ring 10 and the third sealing ring 12 is three, so that the sealing effect is realized, and the sealing effect is improved; the compression ring 6 is connected with the fixed sleeve 5 through the fixed screws 22, and the number of the fixed screws 22 is six, so that the compression ring 6 is fixedly installed; the top and the bottom of the fixed protective cover 1 are fixedly embedded and connected with observation windows 3, the observation windows 3 are of arc sheet type structures, and the observation windows 3 are convenient for observing the guide rods 15; the guide rods 15 are of cylindrical structures, the number of the guide rods 15 is two, and the guide rods 15 play a role in guiding; bearing seal ring 14 is all installed to first bearing 13, second bearing 19 and third bearing 21, and bearing seal ring 14 improves the inside sealed effect of fixed protection casing 1, makes fixed protection casing 1 inside be in sealedly.
When the utility model is used, when the stroke needs to be adjusted, the rotating disc 4 is screwed to rotate the worm 20, the threaded pipe 17 is rotated through the transmission of the worm 20 and the worm wheel 18, the screw 16 is guided by the guide rod 15 and the guide hole, and the adjusting piston 11 is pushed to move, so that the stroke size is adjusted, and after the adjustment, the calculation after the stroke adjustment can be carried out through observing the scale; when the adjusting piston is used after adjustment, self-locking is realized through the worm wheel 18 and the worm 20, the stability after stroke adjustment is guaranteed, and the adjusting piston 11 is prevented from moving.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (6)
1. The utility model provides an adjustable hydro-cylinder of stroke which characterized in that: the cylinder comprises a cylinder body (2), a driving telescopic structure and a fixed protective cover (1) fixedly installed on one side of the cylinder body (2), wherein a telescopic piston (9) is connected to the inside of the cylinder body (2) in a matched mode, a second sealing ring (10) is arranged between the telescopic piston (9) and the cylinder body (2), a piston rod (7) is fixedly connected to one side of the telescopic piston (9), a fixed sleeve (5) is fixedly connected to one side of the cylinder body (2), a pressing ring (6) is fixedly installed on one side of the fixed sleeve (5), the fixed sleeve (5) and the pressing ring (6) are both in sliding sleeve joint with the piston rod (7), a first sealing ring (8) is arranged between the fixed sleeve (5) and the pressing ring (6), and the first sealing ring (8) is;
the utility model discloses a hydraulic drive telescopic structure, including drive extending structure, screw rod (16), threaded pipe (17) and fixed cover (5) of first bearing (13), and fixed gomphosis of first bearing (13) is installed in one side of cylinder body (2), the inner wall threaded connection of screw rod (16) and threaded pipe (17), and screw rod (16) one end fixed mounting have adjusting piston (11), adjusting piston (11) is connected with cylinder body (2) cooperation, and is provided with third sealing washer (12) between adjusting piston (11) and cylinder body (2), one side rigid coupling of adjusting piston (11) has guide bar (15), and guide bar (15) surface mark has the scale, cylinder body (2) one side is opened there is the guiding hole, sliding sleeve connects between guiding hole and guide bar (15), fixed cover (5) of screwed pipe (17) end have connect second bearing (19), and second bearing (19) and fixed protection casing (1) one side inner wall rigid coupling, the fixed cover (5) of screwed pipe (17) outer wall have connect worm wheel (18), worm wheel (18) meshing is connected with worm (20), third bearing (21) have been connect in the equal fixed cover (5) in worm (20) both ends, and third bearing (21) are connected with fixed gomphosis of protection casing (1), worm (20) one end fixed mounting has rolling disc (4).
2. The stroke-adjustable oil cylinder according to claim 1, characterized in that: the second sealing ring (10) and the third sealing ring (12) are respectively sleeved on the cylindrical surface of the telescopic piston (9) and the cylindrical surface of the adjusting piston (11), and the number of the second sealing ring (10) and the number of the third sealing ring (12) are three.
3. The stroke-adjustable oil cylinder according to claim 1, characterized in that: the pressing ring (6) is connected with the fixing sleeve (5) through fixing screws (22), and the number of the fixing screws (22) is six.
4. The stroke-adjustable oil cylinder according to claim 1, characterized in that: the top and the bottom of the fixed protective cover (1) are fixedly embedded with an observation window (3), and the observation window (3) is of an arc sheet type structure.
5. The stroke-adjustable oil cylinder according to claim 1, characterized in that: the guide rods (15) are of cylindrical structures, and the number of the guide rods (15) is two.
6. The stroke-adjustable oil cylinder according to claim 1, characterized in that: and bearing seal rings (14) are arranged on the first bearing (13), the second bearing (19) and the third bearing (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921265888.6U CN210531284U (en) | 2019-08-06 | 2019-08-06 | Stroke-adjustable oil cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921265888.6U CN210531284U (en) | 2019-08-06 | 2019-08-06 | Stroke-adjustable oil cylinder |
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| Publication Number | Publication Date |
|---|---|
| CN210531284U true CN210531284U (en) | 2020-05-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921265888.6U Active CN210531284U (en) | 2019-08-06 | 2019-08-06 | Stroke-adjustable oil cylinder |
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| Country | Link |
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| CN (1) | CN210531284U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111706575A (en) * | 2020-08-10 | 2020-09-25 | 常德市联嘉机械有限公司 | Piston stroke adjusting mechanism for hydraulic cylinder |
| CN112324895A (en) * | 2020-11-06 | 2021-02-05 | 荣怡 | High-strength heavy-load telescopic pull rod assembly |
| CN112727850A (en) * | 2020-12-31 | 2021-04-30 | 兰州理工大学 | Telescopic rotary hydraulic cylinder |
| CN114263741A (en) * | 2021-12-24 | 2022-04-01 | 扬州大山液压气动制造有限公司 | Rotary oil cylinder sealing device |
-
2019
- 2019-08-06 CN CN201921265888.6U patent/CN210531284U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111706575A (en) * | 2020-08-10 | 2020-09-25 | 常德市联嘉机械有限公司 | Piston stroke adjusting mechanism for hydraulic cylinder |
| CN112324895A (en) * | 2020-11-06 | 2021-02-05 | 荣怡 | High-strength heavy-load telescopic pull rod assembly |
| CN112324895B (en) * | 2020-11-06 | 2022-04-08 | 荣怡 | High-strength heavy-load telescopic pull rod assembly |
| CN112727850A (en) * | 2020-12-31 | 2021-04-30 | 兰州理工大学 | Telescopic rotary hydraulic cylinder |
| CN114263741A (en) * | 2021-12-24 | 2022-04-01 | 扬州大山液压气动制造有限公司 | Rotary oil cylinder sealing device |
| CN114263741B (en) * | 2021-12-24 | 2024-04-26 | 扬州大山液压气动制造有限公司 | Rotary cylinder sealing device |
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