CN216430107U - Telescopic rotary hydraulic cylinder - Google Patents
Telescopic rotary hydraulic cylinder Download PDFInfo
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- CN216430107U CN216430107U CN202123265226.9U CN202123265226U CN216430107U CN 216430107 U CN216430107 U CN 216430107U CN 202123265226 U CN202123265226 U CN 202123265226U CN 216430107 U CN216430107 U CN 216430107U
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Abstract
The utility model provides a flexible rotation type pneumatic cylinder, include: the device comprises a base, a hydraulic cylinder, a protective shell, a rotary seat, a screw, a nut, a positioning hole, a mounting plate, an outer sleeve and a hand-screwed bolt; a hydraulic cylinder is fixed at the top end of the base through a bolt; a protective shell is covered outside the hydraulic cylinder; the protective shell is fixed at the top end of the base through a bolt; a rotary seat is fixed at the top end of an output shaft of the hydraulic cylinder through a bolt; a screw is arranged right above the rotary seat; the bottom end of the screw rod is rotatably connected to the middle position of the rotary seat through a bearing, and the top end of the screw rod upwards penetrates out of the top end of the protective shell; the upper end of the screw rod is matched with a nut; the nut is inlayed on the top of protecting crust, the utility model discloses an to the improvement of above-mentioned structure, it is rational in infrastructure to have, and the cooperation resistance is less, can comparatively smooth and easy rotation, advantage that rotatory effect is better to effectual problem and the not enough that has solved and has appeared in the current device.
Description
Technical Field
The utility model relates to a pneumatic cylinder technical field, more specifically the theory especially relates to a flexible rotation type pneumatic cylinder.
Background
The hydraulic cylinder is widely applied to hydraulic systems of various machines, in the industrial production process, a plurality of external components driven by the hydraulic cylinder not only need linear strokes, but also need to do rotation actions, but the hydraulic cylinder can not realize the rotation actions, and the rotary hydraulic cylinder is indispensable for meeting the requirements of actual production. The currently generally adopted method is to add other hydraulic systems, and has the defects of complex structure and higher cost of the whole hydraulic system.
To solve the above problem, the utility model patent publication (announcement) no: CN209025910U discloses a flexible rotation type pneumatic cylinder, through setting up the pneumatic cylinder in the protecting crust inside, the piston rod of pneumatic cylinder drives the movable plate rebound, and the movable block promotes the screw rod rebound, because the screw rod passes through first screw hole and protecting crust threaded connection to rotatory function also can be realized when the screw rod rebound, and then can realize the flexible rotatory function of pneumatic cylinder, reduced use cost.
However, in the above-mentioned telescopic rotary hydraulic cylinder structure, the screw rod is connected with the protective shell through the first threaded hole and the threaded rod is connected with the reinforcing block through the second threaded hole, the frictional resistance of the thread fit is large, and when the hydraulic cylinder pushes the screw rod to ascend, the screw rod cannot rotate smoothly, so that the existing structure needs to be improved to realize a better rotation function.
In view of the above, the present invention provides a telescopic rotary hydraulic cylinder, which is improved in view of the conventional problems, and aims to achieve the purposes of solving the problems and improving the practical value by the technology.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a flexible rotation type pneumatic cylinder to solve the problem and not enough that propose in the above-mentioned background art.
To achieve the above object, the present invention is achieved by the following specific technical means:
a telescopic rotary hydraulic cylinder comprising: the device comprises a base, a hydraulic cylinder, a protective shell, a rotary seat, a screw, a nut, a positioning hole, a mounting plate, an outer sleeve and a hand-screwed bolt; a hydraulic cylinder is fixed at the top end of the base through a bolt; a protective shell is covered outside the hydraulic cylinder; the protective shell is fixed at the top end of the base through a bolt; a rotary seat is fixed at the top end of an output shaft of the hydraulic cylinder through a bolt; a screw is arranged right above the rotary seat; the bottom end of the screw rod is rotatably connected to the middle position of the rotary seat through a bearing, and the top end of the screw rod upwards penetrates out of the top end of the protective shell; the upper end of the screw rod is matched with a nut; the nut is embedded at the top end of the protective shell and fixedly connected with the protective shell through a bolt; a positioning hole is formed in the side part of the top end of the screw rod and is communicated from left to right; the mounting plate is embedded at the top end of the screw rod, and the screw rod is in clearance fit with the mounting plate; the bottom end of the mounting plate is welded with an outer sleeve, and the outer sleeve is sleeved outside the top end of the screw rod; the outer sleeve is in clearance fit with the screw; the side part of the outer sleeve is in threaded connection with a hand-screwed bolt; and the screw rod of the hand-screwed bolt is inserted into the positioning hole, and the screw rod is in clearance fit with the positioning hole.
As further optimization of the technical scheme, the mounting flange is welded on the outer side of the bottom end of the protective shell.
As a further optimization of the technical scheme, the rotary seat is in sliding fit with the protective shell.
As a further optimization of the technical scheme, the screw is a ball screw, and the nut matched with the screw is a ball screw nut.
As a further optimization of the technical scheme, the positioning holes are circular holes.
As a further optimization of the technical scheme, the outer sleeve is in a circular tube shape, and the outer sleeve is fixedly connected with the screw through a hand-screwed bolt.
Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage:
1. the utility model discloses a set up the screw rod and be ball, and be ball nut with screw rod matched with nut, the cooperation resistance is less, and the pneumatic cylinder can promote the comparatively smooth and easy rotation of screw rod, realizes better rotatory effect.
2. The utility model discloses an to the improvement of above-mentioned structure, it is rational in infrastructure to have, and the cooperation resistance is less, can comparatively smooth and easy rotation, advantage that rotatory effect is better to effectual problem and the not enough that appear in having solved current device.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification. In the drawings:
FIG. 1 is a schematic view of the present invention;
FIG. 2 is a schematic cross-sectional view of the present invention;
FIG. 3 is a schematic view of the present invention in a partial cross-sectional structure;
fig. 4 is a schematic diagram of the local explosion structure of the present invention.
In the figure: base 1, pneumatic cylinder 2, protecting crust 3, swivel mount 4, screw rod 5, nut 6, locating hole 7, mounting panel 8, outer tube 9, hand are twisted bolt 10.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
It is to be noted that, in the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Meanwhile, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "connected" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; the connection can be mechanical connection or electrical connection; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1 to 4, the specific technical implementation of the present invention:
a telescopic rotary hydraulic cylinder comprising: the device comprises a base 1, a hydraulic cylinder 2, a protective shell 3, a rotary seat 4, a screw 5, a nut 6, a positioning hole 7, a mounting plate 8, an outer sleeve 9 and a hand-screwed bolt 10; a hydraulic cylinder 2 is fixed at the top end of the base 1 through a bolt; a protective shell 3 is covered outside the hydraulic cylinder 2; the protective shell 3 is fixed at the top end of the base 1 through a bolt; a rotary seat 4 is fixed at the top end of an output shaft of the hydraulic cylinder 2 through a bolt; a screw 5 is arranged right above the rotary seat 4; the bottom end of the screw rod 5 is rotatably connected to the middle position of the rotary seat 4 through a bearing, and the top end of the screw rod 5 upwards penetrates through the top end of the protective shell 3; the upper end of the screw 5 is matched with a nut 6; the nut 6 is embedded at the top end of the protective shell 3, and the nut 6 is fixedly connected with the protective shell 3 through a bolt; a positioning hole 7 is formed in the side part of the top end of the screw rod 5, and the positioning hole 7 is communicated left and right; the top end of the screw rod 5 is embedded with an installation plate 8, and the screw rod 5 is in clearance fit with the installation plate 8; the bottom end of the mounting plate 8 is welded with an outer sleeve 9, and the outer sleeve 9 is sleeved outside the top end of the screw 5; the outer sleeve 9 is in clearance fit with the screw 5; the side part of the outer sleeve 9 is in threaded connection with a hand-screwed bolt 10; the screw rod of the hand-screwed bolt 10 is inserted into the positioning hole 7, and the screw rod is in clearance fit with the positioning hole 7.
Specifically, referring to fig. 1, an installation flange is welded at the outer side of the bottom end of the protective shell 3, so that the protective shell 3 and the base 1 can be conveniently installed and connected.
Specifically, referring to fig. 2, the rotation seat 4 is slidably engaged with the protection housing 3.
Specifically, referring to fig. 4, the screw 5 is a ball screw, and the nut 6 engaged with the screw 5 is a ball screw nut, and the ball screw is an ideal product for converting a rotary motion into a linear motion or converting a linear motion into a rotary motion, and has a small frictional resistance, so that the screw 5 can achieve a good rotation effect when pushed up by the hydraulic cylinder 2.
Specifically, referring to fig. 4, the positioning hole 7 is a circular hole.
Specifically, referring to fig. 4, the outer sleeve 9 is in a circular tube shape, and the outer sleeve 9 and the screw 5 are fixedly connected by screwing the bolt 10 by hand, so that the screw 5 and the mounting plate 8 can be conveniently mounted and connected.
The method comprises the following specific implementation steps:
the screw 5 is a ball screw, and the nut 6 fitted with the screw 5 is a ball screw nut, and the ball screw is an ideal product for converting rotary motion into linear motion, or converting linear motion into rotary motion, and has a small frictional resistance, so that the screw 5 can realize a good rotating effect when pushed up by the hydraulic cylinder 2.
In summary, the following steps: according to the telescopic rotary hydraulic cylinder, the screw is a ball screw, the nut matched with the screw is a ball screw nut, matching resistance is small, the hydraulic cylinder can push the screw to rotate smoothly, and a good rotating effect is achieved; the utility model discloses an to the improvement of above-mentioned structure, it is rational in infrastructure to have, and the cooperation resistance is less, can comparatively smooth and easy rotation, advantage that rotatory effect is better to effectual problem and the not enough that appear in having solved current device.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A telescopic rotary hydraulic cylinder comprising: the device comprises a base (1), a hydraulic cylinder (2), a protective shell (3), a rotary seat (4), a screw (5), a nut (6), a positioning hole (7), a mounting plate (8), an outer sleeve (9) and a hand-screwed bolt (10); the method is characterized in that: a hydraulic cylinder (2) is fixed at the top end of the base (1) through a bolt; a protective shell (3) is covered outside the hydraulic cylinder (2); the protective shell (3) is fixed at the top end of the base (1) through a bolt; a rotary seat (4) is fixed at the top end of an output shaft of the hydraulic cylinder (2) through a bolt; a screw (5) is arranged right above the rotary seat (4); the bottom end of the screw rod (5) is rotatably connected to the middle position of the rotary seat (4) through a bearing, and the top end of the screw rod (5) upwards penetrates out of the top end of the protective shell (3); the upper end of the screw rod (5) is matched with a nut (6); the nut (6) is embedded at the top end of the protective shell (3), and the nut (6) is fixedly connected with the protective shell (3) through a bolt; a positioning hole (7) is formed in the side portion of the top end of the screw (5), and the positioning hole (7) is communicated left and right; an installation plate (8) is embedded at the top end of the screw rod (5), and the screw rod (5) is in clearance fit with the installation plate (8); an outer sleeve (9) is welded at the bottom end of the mounting plate (8), and the outer sleeve (9) is sleeved on the outer side of the top end of the screw rod (5); the outer sleeve (9) is in clearance fit with the screw (5); the side part of the outer sleeve (9) is in threaded connection with a hand-screwed bolt (10); the screw rod of the hand-screwed bolt (10) is inserted into the positioning hole (7), and the screw rod is in clearance fit with the positioning hole (7).
2. A telescopic rotary hydraulic cylinder according to claim 1, characterized in that: and a mounting flange is welded on the outer side of the bottom end of the protective shell (3).
3. A telescopic rotary hydraulic cylinder according to claim 1, characterized in that: the rotary seat (4) is in sliding fit with the protective shell (3).
4. A telescopic rotary hydraulic cylinder according to claim 1, characterized in that: the screw rod (5) is a ball screw, and the nut (6) matched with the screw rod (5) is a ball screw nut.
5. A telescopic rotary hydraulic cylinder according to claim 1, characterized in that: the positioning hole (7) is a circular hole.
6. A telescopic rotary hydraulic cylinder according to claim 1, characterized in that: the outer sleeve (9) is in a circular tube shape, and the outer sleeve (9) is fixedly connected with the screw rod (5) through a hand-screwed bolt (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123265226.9U CN216430107U (en) | 2021-12-23 | 2021-12-23 | Telescopic rotary hydraulic cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123265226.9U CN216430107U (en) | 2021-12-23 | 2021-12-23 | Telescopic rotary hydraulic cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216430107U true CN216430107U (en) | 2022-05-03 |
Family
ID=81318483
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123265226.9U Active CN216430107U (en) | 2021-12-23 | 2021-12-23 | Telescopic rotary hydraulic cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216430107U (en) |
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2021
- 2021-12-23 CN CN202123265226.9U patent/CN216430107U/en active Active
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