CN211599146U - Telescopic rotary oil cylinder - Google Patents
Telescopic rotary oil cylinder Download PDFInfo
- Publication number
- CN211599146U CN211599146U CN202020195971.7U CN202020195971U CN211599146U CN 211599146 U CN211599146 U CN 211599146U CN 202020195971 U CN202020195971 U CN 202020195971U CN 211599146 U CN211599146 U CN 211599146U
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- cylinder
- cylinder body
- piston
- internal thread
- connecting sleeve
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- Expired - Fee Related
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Abstract
The utility model discloses a telescopic rotary oil cylinder, which comprises a cylinder body, wherein a first cavity is arranged inside the cylinder body, a piston is arranged inside the first cavity, a piston rod is arranged on one side of the piston, and the piston rod penetrates through one end of the cylinder body; one end of the cylinder body is provided with an oil drainage channel, and the other end of the cylinder body is provided with an oil filling channel; a rotary rod is arranged on the other side of the piston, a second sealing ring is arranged at the joint of the rotary rod and the cylinder body, a connecting sleeve is further arranged at the other end of the cylinder body, an internal thread cylinder is arranged on one side of the connecting sleeve, a second cavity is arranged inside the internal thread cylinder, a spiral groove is formed in the inner wall of the internal thread cylinder, a hemispherical block is arranged at one end of the rotary rod, and the hemispherical block is clamped in the spiral groove; one end of the internal thread cylinder is provided with a clamping block, and the middle part of the connecting sleeve is provided with a groove. The utility model discloses an overall structure's setting conveniently realizes the flexible rotation of hydro-cylinder, and simple structure, conveniently changes an internal thread section of thick bamboo to the rotational speed of control piston rod.
Description
Technical Field
The utility model relates to a hydro-cylinder field specifically is a flexible rotation type hydro-cylinder.
Background
The oil cylinder is a hydraulic actuating element for converting hydraulic energy into mechanical energy, and when the oil cylinder is used for realizing reciprocating motion, a speed reducing device can be omitted, and the oil cylinder has no transmission clearance, is stable in motion and can be widely applied to hydraulic systems of various machines. The traditional oil cylinder comprises a cylinder body, a piston and a piston rod, wherein an oil inlet and an oil outlet are formed in the cylinder body, the piston and the piston rod move through the inlet and the outlet of hydraulic oil, various control functions are realized through external components, the movement of the hydraulic rod is linear movement, and the driven external components also move linearly along with the movement.
In the actual production process, many external components driven by the oil cylinder not only need linear stroke, but also need to have rotary motion, but the oil cylinder can not realize rotary motion, and in order to meet the needs of actual production, the rotary oil cylinder is indispensable. At present, the commonly adopted method is to realize the rotation action of the oil cylinder by additionally arranging other hydraulic systems or adopting a valve bank and other auxiliary mechanisms, and has the defects of complex structure and higher cost of the whole hydraulic system.
SUMMERY OF THE UTILITY MODEL
For solving the defect that prior art exists, the utility model provides a flexible rotation type hydro-cylinder.
In order to solve the technical problem, the utility model provides a following technical scheme:
the utility model relates to a telescopic rotary oil cylinder, which comprises a cylinder body, wherein a first cavity is arranged inside the cylinder body, a piston is arranged inside the first cavity, a piston rod is arranged on one side of the piston, the piston rod penetrates through one end of the cylinder body, and a first sealing ring is arranged at the joint of the piston rod and the cylinder body; one end of the cylinder body is provided with an oil drainage channel, and the other end of the cylinder body is provided with an oil filling channel; a rotary rod is arranged on the other side of the piston, the rotary rod penetrates through the other end of the cylinder body, a second sealing ring is arranged at the joint of the rotary rod and the cylinder body, a connecting sleeve is further arranged at the other end of the cylinder body, an internal thread cylinder is arranged on one side of the connecting sleeve, a second cavity is arranged inside the internal thread cylinder, a spiral groove is formed in the inner wall of the internal thread cylinder, a hemispherical block is arranged at one end of the rotary rod, and the hemispherical block is clamped in the spiral groove; one end of the internal thread cylinder is provided with a clamping block, the middle part of the connecting sleeve is provided with a groove, the clamping block is clamped in the groove, the outer part of the connecting sleeve is connected with a rotary limiting sleeve through a bearing, and the connecting sleeve is connected with the internal thread cylinder through the rotary limiting sleeve.
As an optimal technical scheme of the utility model, the opening part of oil drain passageway and oiling passageway all is equipped with the sealing plug.
As an optimized technical scheme of the utility model, the diameter of hemisphere piece equals with the width of helicla flute.
As an optimized technical scheme of the utility model, the junction of piston and piston rod is equipped with the buffering plunger.
As a preferred technical scheme of the utility model, be equipped with the support ring on the piston.
The utility model has the advantages that the rotary rod is arranged at one side of the piston and is inserted through one end of the cylinder body, a second sealing ring is arranged at the joint of the rotating rod and the cylinder body, a connecting sleeve is also arranged at the other end of the cylinder body, an internal thread cylinder is arranged at one side of the connecting sleeve, a second cavity is arranged inside the internal thread cylinder, a spiral groove is arranged on the inner wall of the internal thread cylinder, a hemispherical block is arranged at one end of the rotating rod and is clamped in the spiral groove, pressure oil is injected into the first cavity through the oil injection channel, the pressure oil pushes the piston to slide along the first cavity, in the sliding process of the piston, the rotating rod is driven to move along the second cavity, the hemispherical block moves along the spiral groove to drive the rotating rod to rotate, thereby drive the rotation of piston and piston rod, realize the flexible and rotatory of hydro-cylinder, overall structure is simple, and the cost is lower, and conveniently through changing the internal thread section of thick bamboo to the rotational speed of control piston rod.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural view of a telescopic rotary cylinder of the present invention;
fig. 2 is a schematic structural view of an internal thread cylinder of a telescopic rotary cylinder according to the present invention;
fig. 3 is an enlarged view at a in fig. 1.
In the figure: 1. a cylinder body; 2. a first cavity; 3. a piston; 4. a piston rod; 5. a first seal ring; 6. an oil drain channel; 7. an oil injection channel; 8. rotating the rod; 9. a second seal ring; 10. connecting sleeves; 11. an internal threaded barrel; 12. a clamping block; 13. rotating the limiting sleeve; 14. a second cavity; 15. a helical groove; 16. a hemispherical block.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
Example (b): as shown in fig. 1-3, the utility model relates to a flexible rotation type hydro-cylinder, including cylinder body 1, the inside of cylinder body 1 is equipped with first cavity 2, and the inside of first cavity 2 is equipped with piston 3, and one side of piston 3 is equipped with piston rod 4, and piston rod 4 alternates the one end of cylinder body 1, and the piston rod 4 is equipped with first sealing washer 5 with the junction of cylinder body 1, guarantees the leakproofness of this hydro-cylinder. One end of the cylinder body 1 is provided with an oil drainage channel 6, and the other end of the cylinder body 1 is provided with an oil filling channel 7. The opposite side of piston 3 is equipped with rotary rod 8, and rotary rod 8 has penetrated the other end of cylinder body 1, and the junction of rotary rod 8 and cylinder body 1 is equipped with second sealing washer 9, and the other end of cylinder body 1 still is equipped with adapter sleeve 10, and one side of adapter sleeve 10 is equipped with an internal thread section of thick bamboo 11, and the inside of an internal thread section of thick bamboo 11 is equipped with second cavity 14, is equipped with helicla flute 15 on the inner wall of an internal thread section of thick bamboo 11, and the one end of rotary rod 8 is equipped with hemisphere piece 16, and hemisphere piece 16 blocks in. One end of the internal thread cylinder 11 is provided with a clamping block 12, the middle part of the connecting sleeve 10 is provided with a groove, the clamping block 12 is clamped in the groove, the outer part of the connecting sleeve 10 is connected with a rotary limiting sleeve 13 through a bearing, and the connecting sleeve 10 is connected with the internal thread cylinder 11 through the rotary limiting sleeve 13, so that the installation and replacement of the internal thread cylinder 11 are facilitated.
And sealing plugs are arranged at the openings of the oil drainage channel 6 and the oil filling channel 7 to seal the oil drainage channel 6 and the oil filling channel 7.
The diameter of the hemispherical block 16 is equal to the width of the spiral groove 15, so that the hemispherical block 16 can slide along the spiral groove 15 conveniently.
Wherein, the junction of piston 3 and piston rod 4 is equipped with the buffering plunger, cushions the removal of piston 3.
Wherein, be equipped with the supporting ring on the piston 3, support piston 3, prevent that piston 3 from warping.
The utility model discloses the during operation, through injecting pressure oil in oil injection passageway 7 to first cavity 2, pressure oil promotes piston 3 and slides along first cavity 2, and at 3 slip in-process of piston, it removes to drive rotary rod 8 along second cavity 14, and hemisphere piece 16 removes along helicla flute 15, drives rotary rod 8 and rotates to drive piston 3 and piston rod 4's rotation, realize the flexible and rotatory of hydro-cylinder.
Finally, it should be noted that: 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 described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The utility model provides a flexible rotation type hydro-cylinder which characterized in that: the cylinder comprises a cylinder body (1), wherein a first cavity (2) is formed in the cylinder body (1), a piston (3) is arranged in the first cavity (2), a piston rod (4) is arranged on one side of the piston (3), the piston rod (4) penetrates through one end of the cylinder body (1), and a first sealing ring (5) is arranged at the joint of the piston rod (4) and the cylinder body (1); an oil drainage channel (6) is arranged at one end of the cylinder body (1), and an oil filling channel (7) is arranged at the other end of the cylinder body (1); a rotating rod (8) is arranged on the other side of the piston (3), the rotating rod (8) penetrates through the other end of the cylinder body (1), a second sealing ring (9) is arranged at the joint of the rotating rod (8) and the cylinder body (1), a connecting sleeve (10) is further arranged at the other end of the cylinder body (1), an internal thread cylinder (11) is arranged on one side of the connecting sleeve (10), a second cavity (14) is arranged inside the internal thread cylinder (11), a spiral groove (15) is formed in the inner wall of the internal thread cylinder (11), a semispherical block (16) is arranged at one end of the rotating rod (8), and the semispherical block (16) is clamped in the spiral groove (; one end of the internal thread cylinder (11) is provided with a clamping block (12), the middle of the connecting sleeve (10) is provided with a groove, the clamping block (12) is clamped in the groove, the outer part of the connecting sleeve (10) is connected with a rotary limiting sleeve (13) through a bearing, and the connecting sleeve (10) is connected with the internal thread cylinder (11) through the rotary limiting sleeve (13).
2. A telescopic rotary cylinder according to claim 1, characterized in that the openings of the oil drain passage (6) and the oil filling passage (7) are provided with sealing plugs.
3. A telescopic rotary cylinder according to claim 1, characterized in that the diameter of the hemispherical block (16) is equal to the width of the helical groove (15).
4. A telescopic rotary cylinder according to claim 1, characterized in that the joint between the piston (3) and the piston rod (4) is provided with a damping plunger.
5. A telescopic rotary cylinder according to claim 1, characterized in that the piston (3) is provided with a support ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020195971.7U CN211599146U (en) | 2020-02-23 | 2020-02-23 | Telescopic rotary oil cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020195971.7U CN211599146U (en) | 2020-02-23 | 2020-02-23 | Telescopic rotary oil cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211599146U true CN211599146U (en) | 2020-09-29 |
Family
ID=72581307
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020195971.7U Expired - Fee Related CN211599146U (en) | 2020-02-23 | 2020-02-23 | Telescopic rotary oil cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211599146U (en) |
-
2020
- 2020-02-23 CN CN202020195971.7U patent/CN211599146U/en not_active Expired - Fee Related
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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 |
Granted publication date: 20200929 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |