CN218151777U - Novel hydraulic oil cylinder - Google Patents
Novel hydraulic oil cylinder Download PDFInfo
- Publication number
- CN218151777U CN218151777U CN202222334792.9U CN202222334792U CN218151777U CN 218151777 U CN218151777 U CN 218151777U CN 202222334792 U CN202222334792 U CN 202222334792U CN 218151777 U CN218151777 U CN 218151777U
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- Prior art keywords
- piston
- hollow
- cylinder liner
- piston block
- cylinder sleeve
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000010720 hydraulic oil Substances 0.000 title claims description 7
- 239000003921 oil Substances 0.000 claims description 42
- 238000007789 sealing Methods 0.000 claims description 14
- 230000000694 effects Effects 0.000 abstract description 9
- 230000006978 adaptation Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000078 claw Anatomy 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
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Abstract
The utility model discloses a novel hydraulic cylinder, including hollow inner cylinder liner and the outer cylinder liner of piston and the piston piece that the activity set up between hollow inner cylinder liner and the outer cylinder liner of piston of fixed mounting on hollow inner cylinder liner, fixed mounting has the hollow axostylus axostyle of compriseing sliding part and locking portion on the hollow inner cylinder liner, and the keyway has been seted up to the outer wall circumference array of hollow axostylus axostyle locking portion. The utility model discloses a hydraulic cylinder that provides, set up between cylinder liner and the outer cylinder liner of piston in the hollow through making the piston block activity, and make the one end of piston block act on the equipment, and then realize hydraulic promotion effect, the hollow shaft adaptation processing equipment of hollow axostylus axostyle, the spline on the piston block slides respectively and sets up in the keyway of hollow axostylus axostyle locking portion, and then under the fixed circumstances of hollow axostylus axostyle, so that the piston block slides that stretches out and draws back along the keyway, and then make the keyway offset the torsional forces that the piston block received, thereby the location to the piston block direction has been realized.
Description
Technical Field
The utility model relates to a hydraulic cylinder technical field relates to a novel hydraulic cylinder particularly.
Background
The hydraulic oil cylinder is a hydraulic actuator which converts hydraulic energy into mechanical energy and makes linear reciprocating motion, and is generally applied to automatic production and various mechanical claw walls and other equipment.
According to patent No. CN202023047671.3, a hydraulic cylinder is disclosed, which comprises a guide sleeve, a cylinder barrel, a rod cavity oil inlet, a piston rod, a piston, an elastic pin, a rodless cavity oil inlet, a cylinder head, a piston internal thread, a piston elastic pin hole, a piston rod external thread, a piston rod elastic pin hole, a piston tail end boss and an elastic pin opening, wherein the piston rod external thread on the piston rod is connected with the piston internal thread of the piston, a through hole with the diameter size slightly smaller than that of the elastic pin is drilled on the piston tail end boss along the radial direction, the piston and the piston rod are directly connected to form the piston elastic pin hole and the piston rod elastic pin hole, and the elastic pin is arranged on the inner walls of the piston elastic pin hole and the piston rod elastic pin hole.
The hydraulic cylinder in the patent can realize actions such as pushing and pulling, but when an operation object is subjected to steering torque force, the hydraulic cylinder can drive a push rod of the hydraulic cylinder to rotate, so that the pushed object cannot be normally operated, and particularly for vertical turning and milling, the conventional hydraulic cylinder or air cylinder has no hollow and positioning functions and cannot meet the requirements of orientation and locking when a machine head is locked.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a novel hydraulic cylinder can guarantee accurate direction location when the hydraulic cylinder piston stretches out or retracts, and the hollow of cylinder can adapt to the production of equipment simultaneously.
In order to achieve the above object, the present invention provides the following technical solutions: the utility model provides a novel hydraulic cylinder, includes that cylinder liner and fixed mounting set up the outer cylinder liner of piston and the piston piece of activity between cylinder liner and the outer cylinder liner of piston in hollow on the cylinder liner in hollow, fixed mounting has the hollow axostylus axostyle of constituteing by sliding part and locking portion on the cylinder liner in hollow, the keyway has been seted up to the outer wall circumference array of hollow axostylus axostyle locking portion, and the spline that piston piece inner wall circumference array set up slides respectively and sets up in the keyway.
Preferably, the hollow shaft rod is fixedly installed on the outer wall of one side of the hollow inner cylinder sleeve along the axis, a flange piece is movably arranged on the outer wall of one side of the hollow inner cylinder sleeve relative to the hollow shaft rod, a plurality of fixing bolts are movably arranged between the piston outer cylinder sleeve and the hollow inner cylinder sleeve, and the flange piece is fixedly installed on the hollow inner cylinder sleeve to cover the fixing bolts.
Preferably, a first piston sealing ring is movably arranged on the inner wall of the piston block, a second piston sealing ring and a guide ring are symmetrically arranged on the outer wall of the piston block, and a third piston sealing ring is arranged on the inner wall of the outer piston cylinder sleeve.
Preferably, an oil inlet pipe is communicated with the inside of the hollow inner cylinder sleeve, an oil outlet port is communicated with the outer wall of one side of the piston outer cylinder sleeve, an oil inlet cavity is formed between the piston block and the hollow inner cylinder sleeve, and an oil outlet cavity is formed between the piston outer cylinder sleeve and the inner wall of one side of the piston block.
In the technical scheme, the utility model provides a pair of novel hydraulic cylinder possesses following beneficial effect: set up between cylinder liner and the outer cylinder liner of piston in hollow through making the piston block activity, and make the one end of piston block act on equipment, and then realize hydraulic promotion effect, it is further, utilize hollow axostylus axostyle of fixed mounting on the cylinder liner in hollow, so that the hollow shaft lever's hollow shaft adaptation processing equipment, make the piston block slide on the sliding part simultaneously, and the spline on the piston block slides respectively and sets up in the keyway of hollow axostylus axostyle locking part, and then under the fixed circumstances of hollow axostylus axostyle, so that the piston block slides along the keyway and stretches out and draws back, and then make the keyway offset the moment of torsion that the piston block received, thereby realized the location to the piston block direction.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.
Fig. 1 is a schematic overall sectional structure diagram provided by an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a piston outer cylinder sleeve portion provided by the embodiment of the present invention.
Description of the reference numerals:
1. a hollow inner cylinder sleeve; 2. a piston block; 3. a piston outer cylinder liner; 4. a second piston seal ring; 5. an oil inlet pipe; 11. a hollow shaft; 12. a flange member; 13. fixing the bolt; 14. a sliding part; 15. a lock part; 16. a key slot; 21. a spline; 31. an oil outlet cavity; 32. an oil inlet cavity; 41. a guide ring; 42. a third piston seal ring; 43. a first piston seal ring; 51. an oil outlet port.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described in detail with reference to the attached drawings.
As shown in fig. 1-2, a novel hydraulic cylinder comprises a hollow inner cylinder sleeve 1, an outer piston cylinder sleeve 3 fixedly mounted on the hollow inner cylinder sleeve 1, and a piston block 2 movably arranged between the hollow inner cylinder sleeve 1 and the outer piston cylinder sleeve 3, wherein a hollow shaft lever 11 composed of a sliding portion 14 and a locking portion 15 is fixedly mounted on the hollow inner cylinder sleeve 1, a key groove 16 is formed in the circumferential array of the outer wall of the locking portion 15 of the hollow shaft lever 11, and splines 21 arranged in the circumferential array of the inner wall of the piston block 2 are respectively arranged in the key groove 16 in a sliding manner. Set up between cylinder liner 1 and piston outer cylinder liner 3 in the hollow through making the activity of piston block 2, and make the one end of piston block 2 act on equipment, and then realize hydraulic promotion effect, it is further, utilize hollow axostylus axostyle 11 of fixed mounting on the hollow inner cylinder liner 1, so that hollow shaft axostylus axostyle 11's hollow shaft adapts to processing equipment, make piston block 2 slide on sliding part 14 simultaneously, and spline 21 on the piston block 2 slides respectively and sets up in keyway 16 of hollow axostylus axostyle 11 locking part 15, and then under the fixed circumstances of hollow axostylus axostyle 11, so that piston block 2 slides along keyway 16 stretches out and draws back, and then make keyway 16 offset the moment of torsion that piston block 2 received, thereby realized the location to piston block 2 direction.
As shown in fig. 1, as the utility model discloses the technical scheme who further provides, for the convenience of making connect between outer cylinder liner 3 of piston and the hollow interior cylinder liner 1, hollow axostylus axostyle 11 is along axle center fixed mounting on the outer wall of hollow interior cylinder liner 1 one side, and the outer wall activity of hollow interior cylinder liner 1 relative hollow axostylus axostyle 11 one side is provided with flange spare 12, through placing outer cylinder liner 3 of piston on hollow interior cylinder liner 1, and make the screw hole that is used for the installation on it align, pass outer cylinder liner 3 of piston and hollow interior cylinder liner 1 between a plurality of fixing bolt 13 in proper order this moment respectively, and make and carry out fixed connection between outer cylinder liner 3 of piston and the hollow interior cylinder liner 1, simultaneously flange spare 12 fixed mounting is in order to cover fixing bolt 13 on hollow interior cylinder liner 1, and then it is not hard up when avoiding fixing bolt 13 to use.
Further, in order to ensure the sealing performance between the piston block 2 and the outer cylinder sleeve 3 and the hollow inner cylinder sleeve 1, so that the piston block 2 can be normally driven hydraulically, a first piston sealing ring 43 is movably arranged on the inner wall of the piston block 2, a gap between the piston block 2 and the hollow shaft rod 11 is sealed by the first piston sealing ring 43, meanwhile, a second piston sealing ring 4 and a guide ring 41 are symmetrically arranged on the outer wall of the piston block 2, the guide ring 41 is positioned between the two second piston sealing rings 4, the piston block 2 and the outer cylinder sleeve 3 are sealed by the second piston sealing ring 4, meanwhile, the guide ring 41 reduces friction between the piston block 2 and the outer cylinder sleeve 3, a third piston sealing ring 42 is arranged on the inner wall of the outer cylinder sleeve 3, and the sliding port of the piston block 2 in the outer cylinder sleeve 3 is sealed again by the third piston sealing ring 42, so that hydraulic oil is prevented from leaking out of the outer cylinder sleeve 3.
Furthermore, in order to realize hydraulic driving of the piston block 2, an oil inlet pipe 5 is connected inside the hollow inner cylinder sleeve 1, an oil outlet port 51 is connected to an outer wall of one side of the piston outer cylinder sleeve 3, an oil inlet chamber 32 is formed between the piston block 2 and the hollow inner cylinder sleeve 1, an oil outlet chamber 31 is formed between the piston outer cylinder sleeve 3 and an inner wall of one side of the piston block 2, the oil inlet chamber 32 is connected to the oil inlet pipe 5, and the oil outlet chamber 31 is connected to the oil outlet port 51, so that oil is supplied to the oil inlet pipe 5 through the outside, at this time, the oil is supplied into the oil inlet chamber 32 through the oil inlet pipe 5 to hydraulically drive the piston block 2, and the oil in the oil outlet chamber 31 is led out through the oil outlet port 51, so that the piston block 2 extends out of the piston outer cylinder sleeve 3 and slides on the hollow shaft rod 11 to perform pushing operation, further, oil is supplied again through the oil outlet chamber 31, and the oil in the oil inlet chamber 32 flows out, so that the piston block 2 retracts into the piston outer cylinder sleeve 3.
The working principle is as follows: the piston block 2 is placed in the piston outer cylinder sleeve 3, the hollow inner cylinder sleeve 1 is inserted into the piston block 2, the splines 21 are respectively arranged in the key grooves 16 of the locking portion 15 of the hollow shaft rod 11 in a sliding mode, at the moment, threaded holes for installation in the hollow inner cylinder sleeve 1 are aligned with threaded holes in one end of the piston outer cylinder sleeve 3, then, a plurality of fixing bolts 13 sequentially penetrate through the threaded holes in the piston outer cylinder sleeve 3 and the hollow inner cylinder sleeve 1, the piston outer cylinder sleeve 3 is fixedly connected with the hollow inner cylinder sleeve 1, the flange piece 12 is fixedly installed on the hollow inner cylinder sleeve 1 to cover the fixing bolts 13, looseness during use of the fixing bolts 13 is avoided, oil is supplied to the oil inlet pipe 5 under the condition that the hollow shaft rod 11 is fixed, at the moment, the oil enters the oil inlet cavity 32 through the oil inlet pipe 5 to hydraulically drive the piston block 2, at the same time, the oil in the oil outlet cavity 31 is led out through the oil outlet port 51, the piston block 2 extends out of the piston outer cylinder sleeve 3 and slides on the hollow shaft rod 11 to perform pushing work, at the key grooves of the piston block 2, the piston block 2 slides along the key grooves, the piston block 2 is further, the piston block is positioned and further, the piston block 2 is retracted to adapt to the telescopic device, and the piston block in the hollow shaft rod 11, and further, the telescopic device, the telescopic piston block is further, and the piston block is positioned in the hollow shaft rod 11.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.
Claims (4)
1. The utility model provides a novel hydraulic cylinder, its characterized in that sets up piston block (2) between cylinder liner (1) and piston outer cylinder liner (3) in the hollow including cylinder liner (1) and fixed mounting piston outer cylinder liner (3) on cylinder liner (1) in the hollow and movable, fixed mounting has hollow axostylus axostyle (11) of constituteing by slider (14) and locking portion (15) on cylinder liner (1) in the hollow, keyway (16) have been seted up to the outer wall circumference array of hollow axostylus axostyle (11) locking portion (15), and spline (21) that piston block (2) inner wall circumference array set up slide respectively and set up in keyway (16).
2. A novel hydraulic oil cylinder as claimed in claim 1, characterized in that the hollow shaft lever (11) is fixedly mounted on the outer wall of one side of the hollow inner cylinder sleeve (1) along the axis, a flange member (12) is movably arranged on the outer wall of one side of the hollow inner cylinder sleeve (1) opposite to the hollow shaft lever (11), a plurality of fixing bolts (13) are movably arranged between the piston outer cylinder sleeve (3) and the hollow inner cylinder sleeve (1), and the flange member (12) is fixedly mounted on the hollow inner cylinder sleeve (1) to cover the fixing bolts (13).
3. A novel hydraulic oil cylinder as claimed in claim 1, characterized in that the inner wall of the piston block (2) is movably provided with a first piston sealing ring (43), the outer wall of the piston block (2) is symmetrically provided with a second piston sealing ring (4) and a guide ring (41), and the inner wall of the piston outer cylinder sleeve (3) is provided with a third piston sealing ring (42).
4. A novel hydraulic oil cylinder as claimed in claim 1, characterized in that an oil inlet pipe (5) is arranged inside the hollow inner cylinder sleeve (1) in a communicating manner, an oil outlet port (51) is arranged on the outer wall of one side of the piston outer cylinder sleeve (3) in a communicating manner, an oil inlet cavity (32) is formed between the piston block (2) and the hollow inner cylinder sleeve (1), and an oil outlet cavity (31) is formed between the piston outer cylinder sleeve (3) and the inner wall of one side of the piston block (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222334792.9U CN218151777U (en) | 2022-09-01 | 2022-09-01 | Novel hydraulic oil cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222334792.9U CN218151777U (en) | 2022-09-01 | 2022-09-01 | Novel hydraulic oil cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218151777U true CN218151777U (en) | 2022-12-27 |
Family
ID=84557813
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222334792.9U Expired - Fee Related CN218151777U (en) | 2022-09-01 | 2022-09-01 | Novel hydraulic oil cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218151777U (en) |
-
2022
- 2022-09-01 CN CN202222334792.9U patent/CN218151777U/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: 20221227 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |