CN212272718U - Compound hydraulic cylinder - Google Patents
Compound hydraulic cylinder Download PDFInfo
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- CN212272718U CN212272718U CN202022369620.6U CN202022369620U CN212272718U CN 212272718 U CN212272718 U CN 212272718U CN 202022369620 U CN202022369620 U CN 202022369620U CN 212272718 U CN212272718 U CN 212272718U
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Abstract
The utility model discloses a compound hydraulic cylinder, including the cylinder body and set up the piston rod in the cylinder body, the cylinder body outside is provided with first business turn over liquid mouth, the second business turn over liquid mouth of intercommunication inner chamber, and cylinder body inner chamber activity is provided with the piston body of installation piston rod medial extremity, a piston body lateral surface fixedly connected with installation section of thick bamboo, piston rod outside fixedly connected with bevel block, the horizontal shelves pole of fixedly connected with between the wall before the cylinder body, shelves pole butt joint cooperation bevel block, the outside end of cylinder body is provided with the ring flange, and the cylinder body outer wall evenly is provided with the fin. The utility model discloses design and improve based on current compound hydraulic cylinder's structure, when current piston body promoted the piston rod and removed, the inclined plane piece in the piston rod outside can contact the shelves pole that blocks, and the inclined plane of inclined plane piece makes the inclined plane piece rotate together with its piston rod of connecting with the cooperation of shelves pole this moment, can effectually solve current piston rod and can't carry out the pivoted problem when promoting.
Description
Technical Field
The utility model relates to a hydraulic cylinder correlation field specifically is a compound hydraulic cylinder.
Background
With the rapid development of the industrial field in China in recent years, the production and manufacture of hydraulic oil cylinders commonly used in the industrial field are improved by a series of improvements. As is well known, a hydraulic cylinder is a hydraulic actuator that rectilinearly reciprocates to convert hydraulic energy into mechanical energy. It has simple structure and reliable operation. 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. The output force of the hydraulic cylinder is in direct proportion to the effective area of the piston and the pressure difference between the two sides of the effective area; the hydraulic cylinder is basically composed of a cylinder barrel and a cylinder cover, a piston and a piston rod, a sealing device, a buffering device and an exhaust device.
When linear motion and small-amplitude rotation are simultaneously carried out in a hydraulic system, the hydraulic cylinder is required to be matched with other equipment such as a motor and the like to be jointly realized, the single hydraulic cylinder cannot be independently completed, the structure of the hydraulic system is complex, and the equipment cost is increased. Therefore, the utility model discloses a compound hydraulic cylinder solves above-mentioned problem.
Disclosure of Invention
An object of the utility model is to provide a compound hydraulic cylinder solves the problem that proposes in the above-mentioned background art as far as possible.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a compound hydraulic cylinder, includes the cylinder body and sets up the piston rod in the cylinder body, and the cylinder body outside is provided with first business turn over liquid mouth, the second business turn over liquid mouth of intercommunication inner chamber, and the activity of cylinder body inner chamber is provided with the piston body of installation piston rod medial extremity, a piston body lateral surface fixedly connected with installation section of thick bamboo, the piston rod outside fixedly connected with sloping piece, fixedly connected with horizontal shelves pole between the preceding back wall of cylinder body, the butt joint cooperation sloping piece of shelves pole, the outside end of cylinder body is provided with the ring flange, the cylinder body outer wall evenly is provided with the fin.
Preferably, the inner side end of the cylinder body is fixedly connected with a mounting plate, and a rubber pad is arranged on the outer side face of the mounting plate.
Preferably, the piston rod is fixedly sleeved with a ring sleeve at the outer side close to the inner side end, and a return spring is fixedly connected between the ring sleeve and the mounting cylinder.
Preferably, the inner cavity of the mounting cylinder is provided with a bearing, and the inner side wall of the mounting cylinder is rotatably connected with the inner side end of the piston rod through the bearing.
Preferably, the height of the inclined plane block gradually decreases and inclines from inside to outside, and an arc surface is arranged on the inner side surface of the inclined plane block.
Preferably, the piston rod movably penetrates through the flange plate, and a sealing gasket is arranged between the inner wall of the flange plate and the outer wall of the piston rod.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses design and improve based on current compound hydraulic cylinder's structure, when current piston body promoted the piston rod and moved, the inclined plane piece in the piston rod outside can contact the shelves pole that blocks, and the inclined plane of inclined plane piece makes the inclined plane piece rotate together with its connected piston rod with the cooperation of shelves pole this moment, can effectually solve current piston rod and can't carry out the pivoted problem when promoting; in addition, the reset spring outside the piston rod can reset the rotating piston rod after the inclined plane block is separated from the stop lever, and the radiating fins outside the cylinder body can effectively radiate heat when the hydraulic cylinder body operates, so that the whole hydraulic cylinder is rich in functions and good in practical effect.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of the three-dimensional viewing angle structure of the present invention.
Fig. 2 is a schematic structural section view of the present invention.
Fig. 3 is a schematic cross-sectional view of the connection structure between the mounting cylinder and the piston rod in fig. 1 according to the present invention.
Fig. 4 is a schematic diagram of the structure of the bevel block shown in fig. 1 according to the present invention.
In the drawings, the components represented by the respective reference numerals are listed below: 1-cylinder body, 101-mounting plate, 102-rubber pad, 2-piston rod, 201-ring sleeve, 202-reset spring, 3-first liquid inlet and outlet, 4-second liquid inlet and outlet, 5-piston body, 6-mounting cylinder, 601-bearing, 7-inclined plane block, 701-cambered surface, 8-stop lever, 9-flange plate and 10-radiating fin.
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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-4, a composite hydraulic cylinder includes a cylinder body 1 and a piston rod 2 disposed in the cylinder body 1, a first liquid inlet and outlet 3 and a second liquid inlet and outlet 4 communicated with an inner cavity are disposed at an outer side of the cylinder body 1, a piston body 5 movably disposed in the inner cavity of the cylinder body 1 and used for mounting an inner side end of the piston rod 2 is disposed at an inner side of the piston body 5, a mounting cylinder 6 is fixedly connected to an outer side of the piston body 5, a bevel block 7 is fixedly connected to an outer side of the piston rod 2, a transverse stop lever 8 is fixedly connected between a front wall and a rear wall of the cylinder body 1, the stop lever 8 is in butt joint with the bevel block 7.
Furthermore, an installation plate 101 is fixedly connected to the inner end of the cylinder 1, and a rubber pad 102 is disposed on the outer side surface of the installation plate 101. The cylinder body 1 is installed through the installation plate 101, and the installation surface of the installation plate 101 is provided with the rubber pad 102, so that the friction force of the installation can be increased, and the relative stability of the whole installation is ensured.
Furthermore, the piston rod 2 is fixedly sleeved with a ring sleeve 201 on the outer side close to the inner end, and a return spring 202 is fixedly connected between the ring sleeve 201 and the mounting cylinder 6. The piston rod 2 can be rotationally restored by the elastic restoring force of the restoring spring 202.
Furthermore, a bearing 601 is arranged in the inner cavity of the mounting cylinder 6, and the inner side wall of the mounting cylinder 6 is rotatably connected with the inner side end of the piston rod 2 through the bearing 601.
Furthermore, the inclined plane block 7 is gradually inclined from inside to outside, and the inner side surface of the inclined plane block 7 is provided with an arc surface 701.
Furthermore, the piston rod 2 movably penetrates through the flange 9, and a sealing gasket is arranged between the inner wall of the flange 9 and the outer wall of the piston rod 2. The contact surface of the flange 9 and the outer wall of the cylinder body 1 is provided with a sealing ring to increase the relative sealing property of the integral connection.
The specific application of the embodiment is as follows: the utility model discloses a mounting panel 101 is installed cylinder body 1, and mounting panel 101's installation face sets up the frictional force of the multiplicable installation of rubber pad 102 and guarantees the relatively stable of unit mount. When the sealing device is used, hydraulic oil is filled through the first liquid inlet and outlet 3 and the second liquid inlet and outlet 4, when the cylinder body 1 works, the piston body 5 movably pushes the piston rod 2 to perform telescopic motion in the cylinder body 1, the piston rod 2 stretches out and draws back from the flange 9 at the outer side end of the cylinder body 1, and the contact surface of the flange 9 and the outer wall of the cylinder body 1 is provided with a sealing ring to increase the relative sealing performance of integral connection. When the piston rod 2 is pushed to extend, the inclined plane block 7 on the outer side of the piston rod 2 can touch the blocking rod 8 arranged on the front wall and the rear wall of the inner cavity of the cylinder body 1, the blocking rod 8 contacts the inclined plane of the inclined plane block 7, at the moment, the inclined plane block 7 is forced to drive the piston rod 2 to rotate in the mounting cylinder 6 through the bearing 601 until the inclined plane block 7 completely slides over the blocking rod 8, and at the moment, the piston rod 2 rotates and resets under the elastic restoring force of the restoring spring 202. And when the piston rod 2 is pulled back, the cambered surface 701 on the inner side surface of the bevel block 7 can be contacted with the stop lever 8 to make the piston rod 2 rotate back again.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (6)
1. The utility model provides a compound hydraulic cylinder, includes cylinder body (1) and sets up piston rod (2) in cylinder body (1), and the cylinder body (1) outside is provided with first business turn over liquid mouth (3), second business turn over liquid mouth (4) of intercommunication inner chamber, and cylinder body (1) inner chamber activity is provided with piston body (5) of installation piston rod (2) medial extremity, its characterized in that: the outer side face of the piston body (5) is fixedly connected with an installation cylinder (6), the outer side of the piston rod (2) is fixedly connected with an inclined face block (7), a transverse blocking rod (8) is fixedly connected between the front wall and the rear wall of the cylinder body (1), the blocking rod (8) is in butt joint fit with the inclined face block (7), a flange plate (9) is arranged at the outer side end of the cylinder body (1), and cooling fins (10) are uniformly arranged on the outer wall of the cylinder body (1).
2. A compound hydraulic ram according to claim 1, characterised in that: the cylinder body (1) is characterized in that an installation plate (101) is fixedly connected to the inner side end of the cylinder body (1), and a rubber pad (102) is arranged on the outer side face of the installation plate (101).
3. A compound hydraulic ram according to claim 1, characterised in that: the outer side of the piston rod (2) close to the inner side end is fixedly sleeved with a ring sleeve (201), and a return spring (202) is fixedly connected between the ring sleeve (201) and the mounting cylinder (6).
4. A compound hydraulic ram according to claim 1, characterised in that: the inner cavity of the mounting cylinder (6) is provided with a bearing (601), and the inner side wall of the mounting cylinder (6) is rotatably connected with the inner side end of the piston rod (2) through the bearing (601).
5. A compound hydraulic ram according to claim 1, characterised in that: the inclined plane block (7) is gradually reduced and inclined from inside to outside, and an arc surface (701) is arranged on the inner side surface of the inclined plane block (7).
6. A compound hydraulic ram according to claim 1, characterised in that: the piston rod (2) movably penetrates through the flange plate (9), and a sealing gasket is arranged between the inner wall of the flange plate (9) and the outer wall of the piston rod (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022369620.6U CN212272718U (en) | 2020-10-22 | 2020-10-22 | Compound hydraulic cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022369620.6U CN212272718U (en) | 2020-10-22 | 2020-10-22 | Compound hydraulic cylinder |
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| Publication Number | Publication Date |
|---|---|
| CN212272718U true CN212272718U (en) | 2021-01-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022369620.6U Active CN212272718U (en) | 2020-10-22 | 2020-10-22 | Compound hydraulic cylinder |
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| CN (1) | CN212272718U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116085345A (en) * | 2022-12-30 | 2023-05-09 | 无锡贝安机械有限公司 | High-strength engineering machinery hydraulic cylinder |
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2020
- 2020-10-22 CN CN202022369620.6U patent/CN212272718U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116085345A (en) * | 2022-12-30 | 2023-05-09 | 无锡贝安机械有限公司 | High-strength engineering machinery hydraulic cylinder |
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