CN211693049U

CN211693049U - Bidirectional oil cylinder

Info

Publication number: CN211693049U
Application number: CN202020205024.1U
Authority: CN
Inventors: 邓林聪
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-02-25
Filing date: 2020-02-25
Publication date: 2020-10-16
Anticipated expiration: 2030-02-25

Abstract

The utility model discloses a two-way hydro-cylinder, including the cylinder body subassembly, the cylinder body subassembly is advanced drain pipe by a cylinder body, two cylinder caps, four connecting rods, four nuts, a first drain pipe and two seconds and is constituteed, is provided with two piston mechanism between cylinder body and two cylinder caps, and piston mechanism comprises piston body, piston rod, oil blanket and rubber blotter, is provided with buffer gear between two piston bodies. The utility model discloses a set up two piston bodies and two piston rods and can realize two-way flexible to can improve the practicality of this hydro-cylinder, can cushion and protect the piston body through setting up two rubber blotters, thereby avoid piston body and cylinder cap contact, and then improve the life of this hydro-cylinder, can cushion two piston bodies through setting up registration arm, locating lever, cushion and spring, thereby avoid two piston body direct contact.

Description

Bidirectional oil cylinder

Technical Field

The utility model relates to a hydro-cylinder specifically is a two-way hydro-cylinder.

Background

The oil cylinder is an actuating element in a hydraulic transmission system, and is an energy conversion device for converting hydraulic energy into mechanical energy, a hydraulic motor realizes continuous rotary motion, the oil cylinder realizes reciprocating motion, the structural types of the oil cylinder comprise three types of piston cylinders, plunger cylinders and swing cylinders, the piston cylinders and the plunger cylinders realize reciprocating linear motion, output speed and thrust, the swing cylinders realize reciprocating swing and output angular velocity and torque, the oil cylinder can be used singly or combined by two or more than two or other mechanisms to complete special functions, the oil cylinder has a simple structure and is reliable in work, and the oil cylinder is widely applied to a hydraulic system of a machine tool.

Most of the existing oil cylinders are unidirectional, and certain limitations exist in the using process of the existing oil cylinders, so that the practicability of the oil cylinders is influenced. Therefore, the bidirectional oil cylinder is improved, and the bidirectional oil cylinder is provided.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model relates to a two-way oil cylinder, including the cylinder body subassembly, the cylinder body subassembly is advanced drain pipe by a cylinder body, two cylinder lids, four connecting rods, four nuts, a first drain pipe and two seconds and is constituteed, be provided with two piston mechanism between cylinder body and two cylinder lids, piston mechanism comprises piston body, piston rod, oil blanket and rubber buffer pad, two be provided with buffer gear between the piston body, buffer gear comprises a registration arm, a locating lever, a cushion and a plurality of spring.

As a preferred technical scheme of the utility model, two the cylinder cap sets up respectively at the both ends of cylinder body, four the connecting rod all sets up between two cylinder caps, four the nut is threaded connection respectively in the one end of four connecting rods.

As an optimal technical scheme of the utility model, two the junction of cylinder cap and cylinder body subassembly all is provided with sealed the pad, sealed pad adopts the rubber preparation to form.

As a preferred technical scheme of the utility model, first liquid inlet and outlet pipe and two second liquid inlet and outlet pipe all fix the intercommunication at the top of cylinder body, two the second liquid inlet and outlet pipe is located the both sides at cylinder body top respectively, first liquid inlet and outlet pipe is located the middle part on cylinder body top.

As a preferred technical scheme of the utility model, two the piston body all sets up the inside at the cylinder body, two the one end that the piston rod is close to each other links to each other with two piston bodies respectively, two the one end that the piston rod was kept away from each other runs through two cylinder caps respectively and extends to the outside on one side of two cylinder caps.

As a preferred technical scheme of the utility model, two the surface at the one end of two piston rods is established to rubber buffer pad fixed cover respectively, two one side fixed connection that the one end that rubber buffer pad is close to each other was kept away from with two piston bodies respectively mutually.

As a preferred technical scheme of the utility model, the one end that registration arm and locating lever were kept away from each other respectively with two piston body fixed connection, the surface of locating lever alternates with the inner wall of registration arm to be connected, the surface of cushion and the inner wall sliding connection of registration arm.

As a preferred technical scheme of the utility model, a plurality of the right-hand member of spring all with cushion fixed connection, a plurality of the left end of spring all with one of them piston body fixed connection, two the oil blanket sets up the junction at two cylinder caps and two piston rods respectively.

The utility model has the advantages that: this kind of two-way hydro-cylinder, can realize two-way flexible through setting up two piston bodies and two piston rods, thereby can improve the practicality of this hydro-cylinder, can cushion and protect the piston body through setting up two rubber blotters, thereby avoid piston body and cylinder cap contact, and then improve the life of this hydro-cylinder, through setting up the registration arm, the locating lever, cushion and spring can cushion two piston bodies, thereby avoid two piston body direct contact, and can make two piston bodies directly leave certain space, thereby be convenient for hydraulic oil from first business turn over liquid pipe entering between two piston bodies.

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 diagram of a bidirectional oil cylinder of the present invention;

fig. 2 is a schematic sectional view of a bidirectional cylinder according to the present invention;

fig. 3 is a schematic structural diagram of a cushion mechanism of a bidirectional oil cylinder of the present invention;

fig. 4 is an enlarged schematic view of a position a of the bidirectional cylinder of the present invention.

In the figure: 1. a cylinder block assembly; 2. a cylinder body; 3. a cylinder cover; 4. a connecting rod; 5. a nut; 6. a first liquid inlet and outlet pipe; 7. a second liquid inlet and outlet pipe; 8. a piston body; 9. a piston rod; 10. oil sealing; 11. a rubber cushion pad; 12. a gasket; 13. a positioning tube; 14. positioning a rod; 15. cushion blocks; 16. a spring.

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. 1-4, the utility model relates to a two-way hydro-cylinder, including cylinder body subassembly 1, cylinder body subassembly 1 is by a cylinder body 2, two cylinder caps 3, four connecting rods 4, four nuts 5, a first drain pipe 6 and two second drain pipes 7 are advanced and are constituteed, be provided with two piston mechanism between cylinder body 2 and two cylinder caps 3, piston mechanism is by piston body 8, piston rod 9, oil blanket 10 and rubber buffer pad 11 are constituteed, be provided with buffer gear between two piston bodies 8, buffer gear is by a registration arm 13, a registration arm 14, a cushion 15 and a plurality of spring 16 are constituteed.

Wherein, two cylinder caps 3 set up respectively at the both ends of cylinder body 2, and four connecting rods 4 all set up between two cylinder caps 3, and four nuts 5 threaded connection respectively is in the one end of four connecting rods 4, can link together two cylinder caps 3 and cylinder body 2 through four connecting rods 4 and four nuts 5 to can change connecting rod 4 after screwing off nut 5.

Wherein, the junction of two cylinder caps 3 and cylinder body subassembly 1 all is provided with sealed pad 12, and sealed pad 12 adopts the rubber preparation to form, can improve the leakproofness of two cylinder caps 3 and cylinder body 2 junctions through setting up sealed pad 12, and then avoids hydraulic oil to leak.

Wherein, first liquid outlet pipe 6 and two second liquid outlet pipes 7 are advanced to all fixed the intercommunication at the top of cylinder body 2 to first liquid outlet pipe 6 and two seconds, and two second liquid outlet pipes 7 are advanced to be located the both sides at 2 tops of cylinder body respectively, and first liquid outlet pipe 6 is located the middle part on 2 tops of cylinder body, advances liquid outlet pipe 7 through the second and can pour into hydraulic oil and the hydraulic oil discharge into to the space between piston body 8 and the cylinder cap 3, can pour into hydraulic oil and hydraulic oil discharge into between two piston bodies 8 through first liquid outlet pipe 6 that advances.

Wherein, two piston bodies 8 all set up in the inside of cylinder body 2, and the one end that two piston rods 9 are close to each other links to each other with two piston bodies 8 respectively, and the one end that two piston rods 9 kept away from each other runs through two cylinder caps 3 respectively and extends to the outside of two cylinder caps 3 one sides, can realize two-way flexible through setting up two piston bodies 8 and two piston rods 9 to can improve the practicality of this hydro-cylinder.

Wherein, two rubber buffer 11 fix the cover respectively and establish the surface in two piston rod 9 one ends, and the one end that two rubber buffer 11 are close to each other is respectively with the one side fixed connection that two piston body 8 kept away from mutually, can cushion and protect piston body 8 through setting up two rubber buffer 11 to avoid

piston body

8 and 3 contacts of cylinder cap, and then improve the life of this hydro-cylinder.

Wherein, the one end that registration arm 13 and locating lever 14 kept away from each other respectively with two piston body 8 fixed connection, the surface of locating lever 14 alternates with the inner wall of registration arm 13 and is connected, the surface of cushion 15 and the inner wall sliding connection of registration arm 13 can lead two piston body 8 through registration arm 13 and locating lever 14 to can improve the practicality of this hydro-cylinder.

Wherein, the right-hand member of a plurality of spring 16 all with cushion 15 fixed connection, the left end of a plurality of spring 16 all with 8 fixed connection of one of them piston body, two oil blanket 10 set up respectively in the junction of two cylinder caps 3 and two piston rods 9, through setting up registration arm 13, locating lever 14, cushion 15 and spring 16 can cushion two piston body 8, thereby avoid two 8 direct contact of piston body, and can make two piston body 8 directly leave certain space, thereby be convenient for hydraulic oil from first liquid inlet pipe 6 gets into between two piston body 8.

When the hydraulic cylinder works, the first liquid inlet and outlet pipe 6 and the two second liquid inlet and outlet pipes 7 are connected with the existing hydraulic station through the pipelines, in the using process, the hydraulic station injects hydraulic oil into the cylinder body 2 through the pipelines and the first liquid inlet and outlet pipe 6, at the moment, the hydraulic oil enters between the two piston bodies 8 and pushes the two piston bodies 8 to be away from each other, so that the two piston rods 9 extend out, in the extending process of the piston rods 9, the rubber buffer cushion 11 can buffer and protect the piston bodies 8, so that the piston bodies 8 are prevented from being contacted with the cylinder cover 3, the service life of the hydraulic cylinder is further prolonged, when the hydraulic station injects the hydraulic oil between the piston bodies 8 and the cylinder cover 3 through the pipelines and the two second liquid inlet and outlet pipes 7, the hydraulic oil pushes the two piston bodies 8 to be close to each other, so that the two piston rods 9 retract, at the moment, the hydraulic oil between the two piston bodies 8 flows back to the hydraulic station through the first, when two piston body 8 are close to each other, locating lever 14 inserts in the registration arm 13 and with the contact of cushion 15, can cushion two piston body 8 through setting up registration arm 13, locating lever 14, cushion 15 and spring 16 to avoid two piston body 8 direct contact, and can make two piston body 8 directly leave certain space, thereby be convenient for hydraulic oil from first liquid inlet and outlet pipe 6 entering between two piston body 8.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", 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 in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 according to specific situations by those skilled in the art.

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

1. The utility model provides a two-way oil cylinder, includes cylinder body subassembly (1), its characterized in that, cylinder body subassembly (1) advances drain pipe (7) by a cylinder body (2), two cylinder caps (3), four connecting rods (4), four nuts (5), a first drain pipe (6) and two seconds and constitutes, be provided with two piston mechanism between cylinder body (2) and two cylinder caps (3), piston mechanism comprises piston body (8), piston rod (9), oil blanket (10) and rubber buffer pad (11), two be provided with buffer gear between piston body (8), buffer gear comprises a registration arm (13), a locating lever (14), a cushion (15) and a plurality of spring (16).

2. The bidirectional oil cylinder as claimed in claim 1, wherein two cylinder covers (3) are respectively disposed at two ends of the cylinder body (2), four connecting rods (4) are respectively disposed between the two cylinder covers (3), and four nuts (5) are respectively screwed at one ends of the four connecting rods (4).

3. The bidirectional oil cylinder according to claim 1, characterized in that sealing gaskets (12) are arranged at the joints of the two cylinder covers (3) and the cylinder body assembly (1), and the sealing gaskets (12) are made of rubber.

4. The bidirectional oil cylinder as claimed in claim 1, wherein the first liquid inlet and outlet pipe (6) and the two second liquid inlet and outlet pipes (7) are fixedly communicated with the top of the cylinder body (2), the two second liquid inlet and outlet pipes (7) are respectively located on two sides of the top of the cylinder body (2), and the first liquid inlet and outlet pipe (6) is located in the middle of the top end of the cylinder body (2).

5. The bidirectional oil cylinder as claimed in claim 1, wherein the two piston bodies (8) are arranged inside the cylinder body (2), one ends of the two piston rods (9) close to each other are respectively connected with the two piston bodies (8), and one ends of the two piston rods (9) far away from each other respectively penetrate through the two cylinder covers (3) and extend to the outside of one side of the two cylinder covers (3).

6. A two-way cylinder according to claim 1, characterized in that two said rubber cushions (11) are respectively fixedly sleeved on the outer surface of one end of two piston rods (9), and the ends of two said rubber cushions (11) close to each other are respectively fixedly connected with the surfaces of two piston bodies (8) far away from each other.

7. The bidirectional oil cylinder as recited in claim 1, wherein one ends of the positioning tube (13) and the positioning rod (14) far away from each other are respectively fixedly connected with the two piston bodies (8), the outer surface of the positioning rod (14) is connected with the inner wall of the positioning tube (13) in an inserting manner, and the outer surface of the cushion block (15) is connected with the inner wall of the positioning tube (13) in a sliding manner.

8. The bidirectional oil cylinder as claimed in claim 1, wherein the right ends of the plurality of springs (16) are fixedly connected with the cushion block (15), the left ends of the plurality of springs (16) are fixedly connected with one of the piston bodies (8), and the two oil seals (10) are respectively arranged at the joints of the two cylinder covers (3) and the two piston rods (9).