CN211039233U - Double-cylinder single-piston-rod hydraulic cylinder - Google Patents
Double-cylinder single-piston-rod hydraulic cylinder Download PDFInfo
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- CN211039233U CN211039233U CN201922162741.0U CN201922162741U CN211039233U CN 211039233 U CN211039233 U CN 211039233U CN 201922162741 U CN201922162741 U CN 201922162741U CN 211039233 U CN211039233 U CN 211039233U
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Abstract
The utility model discloses a double-cylinder single-piston-rod hydraulic cylinder, which comprises a first cylinder body and a second cylinder body, wherein one end of the first cylinder body is provided with a first cylinder cover, a side lug is welded on the side wall surface of the first cylinder cover, and a first piston rod is arranged in the first cylinder body; the utility model discloses in, adopt first cylinder body, first piston rod, the second cylinder body, the second piston rod, first cylinder cap, the lead screw, the flange spare, the second cylinder cap, the limit ring constitutes installation and boosting mechanism, run through the limit ring of second cylinder body through the lead screw, make the one end of lead screw and the side ear threaded connection of first cylinder cap, then through flange with first piston rod and second piston rod fixed connection, be convenient for constitute a whole with first cylinder body and second cylinder body, through opening first cylinder body and second cylinder body in step, make first piston rod and second piston rod produce superimposed effort, and then improve the thrust of first piston rod and second piston rod.
Description
Technical Field
The utility model relates to a pneumatic cylinder technical field especially relates to a double-cylinder single piston rod pneumatic cylinder.
Background
The hydraulic cylinder is a hydraulic actuator which converts hydraulic energy into mechanical energy and performs linear reciprocating motion (or swinging motion). 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 existing hydraulic cylinder is fixed in the using process, the thrust of a common piston rod is fixed, if the thrust is required to be increased, the hydraulic cylinder is required to be additionally arranged, two hydraulic cylinders are inconvenient to install simultaneously in a region with limited space, and the hydraulic cylinder is troublesome to install and disassemble and inconvenient to use.
Therefore, a double-cylinder single-piston-rod hydraulic cylinder is provided to solve the above disadvantages.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing: a double-cylinder single-piston-rod hydraulic cylinder.
The technical scheme of the utility model: the utility model provides a double-cylinder single piston rod pneumatic cylinder, includes first cylinder body and second cylinder body, the one end of first cylinder body is provided with first cylinder cap, and the side wall face welding of first cylinder cap has the side ear, be provided with first piston rod in the first cylinder body, and the one end of first piston rod runs through first cylinder cap and extends to the first cylinder body outside, first cylinder body one side is provided with the second cylinder body, and the second cylinder body is inside to be provided with the second piston rod, the both ends of second piston rod all run through and extend to the outside of second cylinder body, the first piston rod fixed connection of flange spare and first cylinder body is passed through to the one end of second piston rod, the both ends of second cylinder body all are provided with the second cylinder cap, and the peripheral welding of one of them second cylinder cap has the limit ring, the surface threaded connection of limit ring has the lead screw, and the one end of lead screw and the side ear threaded connection of first cylinder cap.
As a further description of the above technical solution: the novel cylinder cover is characterized in that a dustproof cylinder is arranged between the first cylinder cover of the first cylinder body and the edge ring of the second cylinder body, two ends of the dustproof cylinder are respectively connected with the first cylinder cover and the second cylinder cover in an adsorption mode through magnetic rings, hanging rings are welded to the side faces of the dustproof cylinder, and the hanging rings are connected with a screw rod ring sleeve.
As a further description of the above technical solution: the dustproof cylinder is of a cylindrical structure and is a spiral pipe made of rubber.
As a further description of the above technical solution: two threaded holes are symmetrically formed in the surface of the side ring of the second cylinder body, and the two threaded holes are in threaded connection with a screw rod.
As a further description of the above technical solution: the side welding of first cylinder cap has two side ears, and two side ears and lead screw one-to-one.
As a further description of the above technical solution: the hanging rings are arranged in a plurality, and the hanging rings are symmetrically distributed at two ends of the dustproof cylinder in a group in pairs.
The utility model discloses following beneficial effect has:
the utility model discloses in, adopt the first cylinder body, the first piston rod, the second cylinder body, the second piston rod, the first cylinder cap, the lead screw, the flange spare, the second cylinder cap, the limit ring constitutes installation and boosting mechanism, run through the limit ring of second cylinder body through the lead screw, impel the one end of lead screw and the side ear threaded connection of first cylinder cap, then through flange with first piston rod and second piston rod fixed connection, be convenient for constitute a whole with first cylinder body and second cylinder body, through opening first cylinder body and second cylinder body in step, impel first piston rod and second piston rod to produce superimposed effort, and then improve the thrust of first piston rod and second piston rod, simultaneously, first cylinder body and second cylinder body adopt lead screw threaded connection's mode, be convenient for assemble and dismantle, increase the convenience of use;
the utility model discloses in, through the dustproof section of thick bamboo that has cup jointed cylindric structure in the junction of first cylinder body and second cylinder body, the both ends of dustproof section of thick bamboo are inlayed and are equipped with the magnetic ring, cup joint on the lead screw through the link with dustproof section of thick bamboo both ends, then adsorb the magnetic ring of dustproof section of thick bamboo terminal surface respectively on the cylinder cap of first cylinder body and second cylinder body facies, make the dustproof section of thick bamboo protect the first piston rod and the second piston rod of first cylinder body and second cylinder body junction, have dustproof, waterproof effect.
Drawings
FIG. 1 is a schematic structural view of a double-cylinder single-piston-rod hydraulic cylinder of the present invention;
fig. 2 is a schematic structural view of a second cylinder end face of the double-cylinder single-piston-rod hydraulic cylinder of the present invention;
fig. 3 is the structural schematic diagram of a dust-proof cylinder of the double-cylinder single-piston-rod hydraulic cylinder of the present invention.
Illustration of the drawings:
1. a first cylinder; 2. a first cylinder head; 3. a screw rod; 4. a flange member; 5. a second cylinder; 6. a second piston rod; 7. a second cylinder head; 8. a first piston rod; 9. a dust-proof cylinder; 10. hanging a ring; 11. an edge ring; 12. a threaded hole; 13. a magnetic ring.
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.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
According to the utility model discloses an embodiment provides a double-cylinder single piston rod pneumatic cylinder.
Referring now to the drawings and the detailed description, as shown in fig. 1-3, a double-cylinder single-piston rod hydraulic cylinder according to an embodiment of the present invention includes a first cylinder body 1 and a second cylinder body 5, wherein one end of the first cylinder body 1 is provided with a first cylinder cover 2, and a side lug is welded on a side wall surface of the first cylinder cover 2, a first piston rod 8 is disposed in the first cylinder body 1, and one end of the first piston rod 8 extends to the outside of the first cylinder body 1 through the first cylinder cover 2, one side of the first cylinder body 1 is provided with the second cylinder body 5, and a second piston rod 6 is disposed in the second cylinder body 5, two ends of the second piston rod 6 both extend to the outside of the second cylinder body 5, one end of the second piston rod 6 is fixedly connected with the first piston rod 8 of the first cylinder body 1 through a flange 4, two ends of the second cylinder body 5 are provided with second cylinder covers 7, an edge ring 11 is welded on the periphery of one of the second cylinder covers 7, a lead screw 3 is connected to the surface of the edge ring 11 in a threaded manner, one end of the lead screw 3 is in threaded connection with a side lug of the first cylinder cover 2, two lead screws 3 are screwed on the edge ring 11 of the second cylinder body 5 in a threaded manner, one end of the lead screw 3 is enabled to be in threaded connection with the side lug of the first cylinder cover 2, then the first piston rod 8 and the second piston rod 6 are fixedly connected through a flange piece 4, the first cylinder body 1 and the second cylinder body 5 are enabled to form a whole, the first piston rod 8 and the second piston rod 6 are enabled to generate superposed acting force by synchronously opening the first cylinder body 1 and the second cylinder body 5, and further thrust of the first piston rod 8 and the second piston rod 6 is improved;
in one embodiment, a dust cylinder 9 is arranged between the first cylinder cover 2 of the first cylinder body 1 and the edge ring 11 of the second cylinder body 5, two ends of the dust cylinder 9 are respectively connected with the first cylinder cover 2 and the second cylinder cover 7 in an adsorption manner through magnetic rings 13, hanging rings 10 are welded on the side faces of the dust cylinder 9, the hanging rings 10 are connected with the screw rod 3 in an annular manner, the hanging rings 10 at the two ends of the dust cylinder 9 are sleeved on the screw rod 3, then the magnetic rings 13 on the end faces of the dust cylinder 9 are respectively adsorbed on the cylinder covers on the opposite faces of the first cylinder body 1 and the second cylinder body 5, so that the dust cylinder 9 is enabled to protect the first piston rod 8 and the second piston rod 6 at the joint of the first cylinder body 1 and the second cylinder body 5, the dust-proof and water-proof effects are achieved, wherein the two magnetic rings 13 are arranged, and the two magnetic rings 13 are adhered to the two ends of the dust cylinder 9, and the dust cylinder 9 is convenient to.
In one embodiment, the dust-proof cylinder 9 is a cylindrical structure, and the dust-proof cylinder 9 is a spiral tube made of rubber, which is convenient for stretching and extending and is suitable for protecting piston rods with different lengths.
In one embodiment, two threaded holes 12 are symmetrically formed in the surface of the side ring 11 of the second cylinder 5, the two threaded holes 12 are both in threaded connection with the lead screw 3, and the lead screw 3 is in threaded connection with the threaded holes 12 of the side ring 11, so that the lead screw 3 is convenient to detach and mount.
In one embodiment, two side lugs are welded on the side surface of the first cylinder cover 2, the two side lugs correspond to the screw rods 3 one by one, and the two side lugs are used as connecting pieces of the screw rods 3, so that the second cylinder body 5 can be conveniently fixed on the first cylinder body 1.
In one embodiment, the hanging rings 10 are provided in plurality, and the hanging rings 10 are symmetrically distributed at two ends of the dust cylinder 9 in pairs, so that the stability of the dust cylinder 9 between the first cylinder 1 and the second cylinder 5 can be improved through the hanging rings 10.
The working principle is as follows:
when the dustproof cylinder is used, the two screw rods 3 are screwed on the side ring 11 of the second cylinder body 5 to enable one end of each screw rod 3 to be in threaded connection with the side lug of the first cylinder cover 2, then the first piston rod 8 is fixedly connected with the second piston rod 6 through the flange piece 4 to enable the first cylinder body 1 and the second cylinder body 5 to form a whole, in the process, the hanging rings 10 at the two ends of the dustproof cylinder 9 are sleeved on the screw rods 3, then the magnetic rings 13 at the end face of the dustproof cylinder 9 are respectively adsorbed on the cylinder covers on the opposite faces of the first cylinder body 1 and the second cylinder body 5 to enable the dustproof cylinder 9 to protect the first piston rod 8 and the second piston rod 6 at the joint of the first cylinder body 1 and the second cylinder body 5, the dustproof and waterproof effects are achieved, the first cylinder body 1 and the second cylinder body 5 are synchronously opened to enable the first piston rod 8 and the second piston rod 6 to generate superposed acting force, and further thrust of the first piston rod 8 and the second piston rod 6 is improved, when the cylinder needs to be disassembled and stored, the screw rod 3 between the first cylinder body 1 and the second cylinder body 5 is unlocked, then the flange pieces 4 of the first piston rod 8 and the second piston rod 6 are disassembled, the dustproof cylinder 9 is taken out, and the second cylinder body 5 is enabled to be separated from the first cylinder body 1.
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 and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (6)
1. The utility model provides a double-cylinder single piston rod pneumatic cylinder, includes first cylinder body (1) and second cylinder body (5), its characterized in that: one end of the first cylinder body (1) is provided with a first cylinder cover (2), a side lug is welded on the side wall surface of the first cylinder cover (2), a first piston rod (8) is arranged in the first cylinder body (1), one end of the first piston rod (8) penetrates through the first cylinder cover (2) and extends to the outer side of the first cylinder body (1), one side of the first cylinder body (1) is provided with a second cylinder body (5), a second piston rod (6) is arranged inside the second cylinder body (5), two ends of the second piston rod (6) penetrate through and extend to the outer side of the second cylinder body (5), one end of the second piston rod (6) is fixedly connected with the first piston rod (8) of the first cylinder body (1) through a flange piece (4), two ends of the second cylinder body (5) are provided with second cylinder covers (7), and an edge ring (11) is welded on the periphery of one of the second cylinder covers (7), the surface of the side ring (11) is in threaded connection with a screw rod (3), and one end of the screw rod (3) is in threaded connection with a side lug of the first cylinder cover (2).
2. The double-cylinder single-piston-rod hydraulic cylinder according to claim 1, characterized in that: be provided with dust tube (9) between first cylinder cap (2) of first cylinder body (1) and limit ring (11) of second cylinder body (5), the both ends of dust tube (9) are connected through magnetic ring (13) and first cylinder cap (2) and second cylinder cap (7) absorption respectively, the side welding of dust tube (9) has link (10), and link (10) and lead screw (3) ring cover are connected.
3. The double-cylinder single-piston-rod hydraulic cylinder according to claim 2, characterized in that: the dustproof cylinder (9) is of a cylindrical structure, and the dustproof cylinder (9) is a spiral pipe made of rubber.
4. The double-cylinder single-piston-rod hydraulic cylinder according to claim 1, characterized in that: two threaded holes (12) are symmetrically formed in the surface of the side ring (11) of the second cylinder body (5), and the two threaded holes (12) are in threaded connection with the screw rod (3).
5. The double-cylinder single-piston-rod hydraulic cylinder according to claim 1, characterized in that: the side welding of first cylinder cap (2) has two side ears, and two side ears and lead screw (3) one-to-one.
6. The double-cylinder single-piston-rod hydraulic cylinder according to claim 2, characterized in that: the hanging rings (10) are arranged in a plurality, and the hanging rings (10) are symmetrically distributed at two ends of the dustproof cylinder (9) in a group in pairs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922162741.0U CN211039233U (en) | 2019-12-06 | 2019-12-06 | Double-cylinder single-piston-rod hydraulic cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922162741.0U CN211039233U (en) | 2019-12-06 | 2019-12-06 | Double-cylinder single-piston-rod hydraulic cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211039233U true CN211039233U (en) | 2020-07-17 |
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ID=71537369
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922162741.0U Active CN211039233U (en) | 2019-12-06 | 2019-12-06 | Double-cylinder single-piston-rod hydraulic cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211039233U (en) |
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2019
- 2019-12-06 CN CN201922162741.0U patent/CN211039233U/en active Active
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