CN212775025U - Telescopic rotary hydraulic oil cylinder - Google Patents
Telescopic rotary hydraulic oil cylinder Download PDFInfo
- Publication number
- CN212775025U CN212775025U CN202021546692.7U CN202021546692U CN212775025U CN 212775025 U CN212775025 U CN 212775025U CN 202021546692 U CN202021546692 U CN 202021546692U CN 212775025 U CN212775025 U CN 212775025U
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- support
- fixedly connected
- cylinder body
- support sleeve
- wall
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Abstract
The utility model discloses a telescopic rotary hydraulic oil cylinder, which comprises a base, a hydraulic cylinder body is fixedly connected with the top of the base, a support sleeve is sleeved outside the hydraulic cylinder body, a buffer plate is arranged at the bottom of the support sleeve, a spring is fixedly connected with the top of the buffer plate, the spring is fixedly connected with the top of a support plate, and a guide seat is sleeved outside the support sleeve, when the support sleeve is contracted, the bottom of the support sleeve is contacted with the buffer plate, the spring is extruded to play a role of buffering, the service life of the device is prolonged, the support sleeve is fixed on the hydraulic cylinder body through the matching of a fastening nut and a limit block, and a closed chamber is formed by matching a rubber ring fixedly connected with the bottom of the inner wall of the support sleeve, the probability of dust entering the hydraulic cylinder body is reduced, and by arranging a connecting plate at the top of the support sleeve, the connecting, the first supporting lug is rotatably connected, so that the device is convenient to mount.
Description
Technical Field
The utility model relates to a hydraulic cylinder technical field specifically is a flexible rotation type hydraulic cylinder.
Background
The hydraulic cylinder is an actuating element in a hydraulic transmission system and is an energy conversion device for converting hydraulic energy into mechanical energy. The hydraulic motor performs a continuous rotary motion, while the hydraulic cylinder performs a reciprocating motion. The hydraulic cylinder has three types, namely a piston cylinder, a plunger cylinder and a swing cylinder, wherein the piston cylinder and the plunger cylinder realize reciprocating linear motion and output speed and thrust, and the swing cylinder realizes reciprocating swing and outputs angular speed (rotating speed) and torque. The hydraulic cylinder may be used in combination of two or more or in combination with other mechanisms, in addition to being used singly. To accomplish a particular function. The hydraulic cylinder has simple structure and reliable work and is widely applied to a hydraulic system of a machine tool.
However, the conventional telescopic rotary hydraulic oil cylinder on the market at present is not provided with a damping mechanism, so that the service life of the device is influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a flexible rotation type hydraulic cylinder to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a flexible rotation type hydraulic cylinder, includes the base, base top fixedly connected with pneumatic cylinder body, pneumatic cylinder body overcoat is equipped with supports the cover, it is provided with the buffer board to support the cover bottom, buffer board top fixedly connected with spring, spring and backup pad top fixed connection, it is equipped with the guide holder to support the cover overcoat, support cover and guide holder sliding connection, support cover inner wall bottom fixedly connected with rubber circle, the rubber circle closely laminates with pneumatic cylinder body outer wall.
As a further aspect of the present invention: the hydraulic cylinder is characterized in that the top of a piston rod of the hydraulic cylinder body is rotatably connected with an installation sleeve, the outer wall of the installation sleeve is fixedly connected with a limiting block in a supporting sleeve, and the outer wall of the installation sleeve is in threaded connection with a fastening nut at the top of the supporting sleeve.
As a further aspect of the present invention: the guide seat comprises two support legs, the tops of the support legs are fixedly connected with guide rings, and clamping grooves are symmetrically formed in the inner walls of the guide rings.
As a further aspect of the present invention: spiral edges are symmetrically arranged on the outer wall of the supporting sleeve, and the spiral edges are arranged in the clamping grooves.
As a further aspect of the present invention: the top of the supporting sleeve is symmetrically connected with two first supporting lugs, the outer wall of each first supporting lug is provided with a second supporting lug, and the top of each second supporting lug is fixedly connected with a connecting plate.
As a further aspect of the present invention: the height of the guide seat is greater than that of the hydraulic cylinder body.
As a further aspect of the present invention: and a rubber pad is arranged between the limiting block and the fastening nut and between the supporting sleeves.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses a support sleeve is when the shrink, bottom and buffer board contact, the extrusion spring, play the cushioning effect, improve device's life, will support the cover through tightly deciding nut and stopper cooperation and fix on the pneumatic cylinder body, and the cooperation supports cover inner wall bottom fixed connection's rubber circle, form an airtight room, reduce the dust and get into this internal probability of pneumatic cylinder, through set up the connecting plate at support cover top, the connecting plate supports under the cooperation of ear and connecting axle at the second, rotate the connection on first support ear, make things convenient for device's installation.
Drawings
Fig. 1 is a schematic structural diagram of a telescopic rotary hydraulic oil cylinder.
Figure 2 is a cross-sectional view of a telescopic rotary hydraulic ram.
Fig. 3 is a schematic structural diagram of a guide seat in a telescopic rotary hydraulic oil cylinder.
Fig. 4 is a partially enlarged view of a portion a in fig. 1.
In the figure: the hydraulic cylinder comprises a base 1, a guide seat 2, a support sleeve 3, a spiral edge 4, a first support lug 5, a connecting plate 6, a connecting shaft 7, a second support lug 8, a spring 9, a buffer plate 10, a hydraulic cylinder body 11, a limiting block 12, a fastening nut 13, a rubber ring 14, a supporting leg 15, a guide ring 16, a clamping groove 17 and an installation sleeve 18.
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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Please refer to fig. 1-4, in the embodiment of the present invention, an extension rotary hydraulic cylinder, including base 1, base 1 top fixedly connected with hydraulic cylinder body 11, hydraulic cylinder body 11 overcoat is equipped with supports cover 3, support 3 bottoms of cover and be provided with buffer board 10, 10 top fixedly connected with springs 9 of buffer board, springs 9 and 1 top fixed connection of base, support 3 overcoat of cover and be equipped with guide seat 2, support cover 3 and guide seat 2 sliding connection, support 3 inner wall bottoms fixedly connected with rubber circle 14 of cover, rubber circle 14 closely laminates with 11 outer walls of hydraulic cylinder body.
The top of the piston rod of the hydraulic cylinder body 11 is rotatably connected with an installation sleeve 18, the outer wall of the installation sleeve 18 is fixedly connected with a limiting block 12 in the support sleeve 3, and the outer wall of the installation sleeve 18 is in threaded connection with a fastening nut 13 at the top of the support sleeve 3.
The guide seat 2 comprises two support legs 15, a guide ring 16 is fixedly connected to the top of each support leg 15, and clamping grooves 17 are symmetrically formed in the inner wall of the guide ring 16.
The outer wall of the support sleeve 3 is symmetrically provided with spiral edges 4, and the spiral edges 4 are arranged in the clamping grooves 17.
The top of the supporting sleeve 3 is symmetrically connected with two first supporting lugs 5, the outer wall of each first supporting lug 5 is provided with a second supporting lug 8, and the top of each second supporting lug 8 is fixedly connected with a connecting plate 6.
The height of the guide seat 2 is greater than that of the hydraulic cylinder body 11.
A rubber pad is arranged between the support sleeve 3 and the limiting block 12 and the fastening nut 13.
The utility model discloses a theory of operation is:
during the use, the piston rod of pneumatic cylinder body 11 extends, it rises to drive to support cover 3 rotatory in guide holder 2, it rises to support cover 3 rotatory under the cooperation of spiral arris 4 and draw-in groove 17, the rubber circle 14 that sets up in supporting cover 3 closely laminates with pneumatic cylinder body 11 outer wall, stopper 12 and lock nut 13 will install the cover in pneumatic cylinder body 11 fixed connection, and make the flexible department of pneumatic cylinder body 11's piston rod in the confined space, when pneumatic cylinder body 11's piston rod shrink, it contracts to drive and support cover 3 and retract, when the shrink when the bottom, support 3 bottom extrusion buffer board 10 of cover, improve the life-span of whole device under the buffering of spring 9.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (7)
1. The utility model provides a flexible rotation type hydraulic cylinder, includes base (1), its characterized in that: base (1) top fixedly connected with pneumatic cylinder body (11), pneumatic cylinder body (11) overcoat is equipped with supports cover (3), it is provided with buffer board (10) to support cover (3) bottom, buffer board (10) top fixedly connected with spring (9), spring (9) and base (1) top fixed connection, it is equipped with guide seat (2) to support cover (3) overcoat, support cover (3) and guide seat (2) sliding connection, support cover (3) inner wall bottom fixedly connected with rubber circle (14), rubber circle (14) and pneumatic cylinder body (11) outer wall closely laminate.
2. A telescopic rotary hydraulic ram according to claim 1, characterised in that: the top of a piston rod of the hydraulic cylinder body (11) is rotatably connected with an installation sleeve (18), the outer wall of the installation sleeve (18) is fixedly connected with a limiting block (12) in the support sleeve (3), and the outer wall of the installation sleeve (18) is in threaded connection with a tightening nut (13) at the top of the support sleeve (3).
3. A telescopic rotary hydraulic ram according to claim 1, characterised in that: the guide seat (2) comprises two support legs (15), the tops of the support legs (15) are fixedly connected with guide rings (16), and clamping grooves (17) are symmetrically formed in the inner walls of the guide rings (16).
4. A telescopic rotary hydraulic ram according to claim 1, characterised in that: spiral edges (4) are symmetrically arranged on the outer wall of the support sleeve (3), and the spiral edges (4) are arranged in the clamping grooves (17).
5. A telescopic rotary hydraulic ram according to claim 1, characterised in that: the top of the support sleeve (3) is symmetrically connected with two first support lugs (5), the outer wall of each first support lug (5) is provided with a second support lug (8), and the top of each second support lug (8) is fixedly connected with a connecting plate (6).
6. A telescopic rotary hydraulic ram according to claim 1, characterised in that: the height of the guide seat (2) is greater than that of the hydraulic cylinder body (11).
7. A telescopic rotary hydraulic ram according to claim 2, characterised in that: and a rubber pad is arranged between the support sleeve (3) and the limiting block (12) and the fastening nut (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021546692.7U CN212775025U (en) | 2020-07-30 | 2020-07-30 | Telescopic rotary hydraulic oil cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021546692.7U CN212775025U (en) | 2020-07-30 | 2020-07-30 | Telescopic rotary hydraulic oil cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212775025U true CN212775025U (en) | 2021-03-23 |
Family
ID=75049132
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021546692.7U Active CN212775025U (en) | 2020-07-30 | 2020-07-30 | Telescopic rotary hydraulic oil cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212775025U (en) |
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2020
- 2020-07-30 CN CN202021546692.7U patent/CN212775025U/en active Active
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