CN221144880U - Hydraulic cylinder - Google Patents

Hydraulic cylinder Download PDF

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Publication number
CN221144880U
CN221144880U CN202322840649.1U CN202322840649U CN221144880U CN 221144880 U CN221144880 U CN 221144880U CN 202322840649 U CN202322840649 U CN 202322840649U CN 221144880 U CN221144880 U CN 221144880U
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CN
China
Prior art keywords
ring
hydraulic
fixedly connected
top cover
rod
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Active
Application number
CN202322840649.1U
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Chinese (zh)
Inventor
吴玲
武锦平
万小强
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Jiangsu Lixueda Hydraulic Co ltd
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Jiangsu Lixueda Hydraulic Co ltd
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Priority to CN202322840649.1U priority Critical patent/CN221144880U/en
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Abstract

The utility model discloses a hydraulic cylinder which comprises a cylinder body, wherein a bottom cover and a top cover are respectively arranged at two ends of the cylinder body, a hydraulic rod is connected in a sliding manner in the cylinder body and penetrates through the top cover in a sliding manner, a plurality of first connecting rods are fixedly connected between the bottom cover and the top cover, a sliding ring is connected between the first connecting rods in a sliding manner, a connecting ring is fixedly connected with the circumference of the hydraulic rod, a plurality of second connecting rods are fixedly connected between the connecting ring and the sliding ring, and a plurality of buffer mechanisms are respectively arranged at one sides of the bottom cover and the top cover and used for buffering the movement of the hydraulic rod. The utility model can not only add the stability of the hydraulic stem, improve the life time of the product, but also can make the end part of the hydraulic stem move and get the buffer through discharging the gas in the sleeve slowly, reduce the impact between hydraulic stem and cylinder block, can also spray the gas to the hydraulic stem through connecting pipe and spray the gas ring, and then play the role of cleaning the dust on the hydraulic stem.

Description

Hydraulic cylinder
Technical Field
The utility model relates to the technical field of hydraulic cylinders, in particular to a hydraulic cylinder.
Background
As is well known, a hydraulic cylinder is a hydraulic actuator that converts hydraulic energy into mechanical energy for linear reciprocation (or oscillation). The device has simple structure and reliable operation. When the device is used for realizing reciprocating motion, a speed reducing device can be omitted, and a transmission gap is avoided, so that the device is stable in motion, and is widely applied to hydraulic systems of various machines;
When the traditional hydraulic cylinder is used, a hydraulic rod is usually directly extended out of the cylinder, when the stress of the hydraulic cylinder is unbalanced, the end cover of the cylinder body is easy to wear, and the whole service life is influenced, so that the hydraulic cylinder is very necessary.
Disclosure of utility model
The utility model aims to solve the defects in the prior art and provides a hydraulic oil cylinder.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the hydraulic cylinder comprises a cylinder body, wherein a bottom cover and a top cover are respectively arranged at two ends of the cylinder body, a hydraulic rod is connected in a sliding manner in the cylinder body, the hydraulic rod penetrates through the top cover in a sliding manner, a plurality of first connecting rods are fixedly connected between the bottom cover and the top cover, a slip ring is connected between the first connecting rods in a sliding manner, a connecting ring is fixedly connected to the circumference of the hydraulic rod, and a plurality of second connecting rods are fixedly connected between the connecting ring and the slip ring;
The plurality of buffer mechanisms are respectively arranged on one side of the bottom cover and one side of the top cover and buffer the movement of the hydraulic rod.
As a still further scheme of the utility model, the buffer mechanism comprises a sleeve, the sleeve penetrates through and is fixed on one side of the top cover or the bottom cover, one end of the sleeve is slidably connected with a penetrating inserted rod, one end of the inserted rod is fixedly connected with a piston, the piston is slidably connected in the sleeve, a spring is fixedly connected between the piston and the sleeve, and one end of the sleeve, which is far away from the inserted rod, is provided with a discharge hole.
As a still further scheme of the utility model, one side of each of the plurality of discharge holes on one side of the top cover is fixedly connected with a connecting pipe, a gas spraying ring is fixedly communicated between the plurality of connecting pipes, and the gas spraying ring is sleeved on the circumference of the hydraulic rod.
As a still further scheme of the utility model, a protective shell is fixedly connected between the slip ring and the circumferential outer wall of the connecting ring.
As a still further aspect of the present utility model, a plurality of through air holes are formed in the circumference of the protective case.
As a still further scheme of the utility model, filter cotton is fixedly connected in each air hole.
The beneficial effects of the utility model are as follows:
1. According to the utility model, through the arrangement of the connecting ring, the slip ring and the plurality of second connecting rods, the stability of the hydraulic rod can be increased through the second connecting rods in the moving process of the hydraulic rod, and the service life of a product is prolonged.
2. According to the utility model, through the cooperation of the plurality of buffer mechanisms, when the hydraulic rod moves to the end, the piston can be pushed by the inserted rod, and then the gas in the sleeve is slowly discharged, so that the end of the hydraulic rod moves to be buffered, and the impact between the hydraulic rod and the cylinder body is reduced.
3. According to the utility model, through the cooperation of the air injection ring and the connecting pipe, when the sleeve is used for exhausting, air can be injected onto the hydraulic rod through the connecting pipe and the air injection ring, so that the dust on the hydraulic rod is cleaned.
Drawings
Fig. 1 is a schematic diagram of a front view structure of a hydraulic cylinder according to the present utility model;
FIG. 2 is a schematic cross-sectional view of a hydraulic cylinder according to the present utility model;
FIG. 3 is a schematic diagram of an exploded structure of a hydraulic cylinder according to the present utility model;
Fig. 4 is a schematic diagram of a buffer mechanism installation structure of a hydraulic cylinder according to the present utility model.
In the figure: 1. a cylinder; 2. a hydraulic rod; 3. a protective shell; 4. air holes; 5. a bottom cover; 6. a buffer mechanism; 7. a top cover; 8. a slip ring; 9. a first connecting rod; 10. a second connecting rod; 11. a sleeve; 12. a rod; 13. a piston; 14. a discharge hole; 15. a connecting pipe; 16. a gas spraying ring; 17. a connecting ring; 18. and (3) a spring.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. It should be noted that the terms "mounted," "connected," and "disposed" are to be construed broadly, unless explicitly stated or defined otherwise, and that the particular meaning of such terms in this patent will be understood by those of ordinary skill in the art, as appropriate.
Referring to fig. 1-4, a hydraulic cylinder comprises a cylinder body 1, a bottom cover 5 and a top cover 7 are respectively arranged at two ends of the cylinder body 1, a hydraulic rod 2 is slidably connected in the cylinder body 1, the hydraulic rod 2 slidably penetrates through the top cover 7, a plurality of first connecting rods 9 are fixedly connected between the bottom cover 5 and the top cover 7, a sliding ring 8 is slidably connected between the first connecting rods 9, a connecting ring 17 is fixedly connected with the circumference of the hydraulic rod 2, a plurality of second connecting rods 10 are fixedly connected between the connecting ring 17 and the sliding ring 8, the hydraulic rod 2 drives the connecting ring 17 to move, and the connecting ring 17 drives the sliding ring 8 to move on the first connecting rods 9 through the second connecting rods 10, so that the hydraulic rod 2 stably stretches out under the combined action of the connecting ring 17, the second connecting rods 10 and the sliding ring 8;
And a plurality of buffer mechanisms 6, wherein the buffer mechanisms 6 are respectively arranged at one side of the bottom cover 5 and the top cover 7 to buffer the movement of the hydraulic rod 2.
In the utility model, the buffer mechanism 6 comprises a sleeve 11, the sleeve 11 penetrates through and is fixed on one side of the top cover 7 or the bottom cover 5, one end of the sleeve 11 is connected with a penetrating inserted rod 12 in a sliding way, one end of the inserted rod 12 is fixedly connected with a piston 13, the piston 13 is connected in the sleeve 11 in a sliding way, a spring 18 is fixedly connected between the piston 13 and the sleeve 11, one end of the sleeve 11, which is far away from the inserted rod 12, is provided with a discharge hole 14, when the hydraulic rod 2 is about to move in place, the slip ring 8 is contacted with the inserted rod 12 and pushes the inserted rod 12 to move, the inserted rod 12 drives the piston 13 to slide in the sleeve 11, and then gas in the sleeve 11 is slowly discharged through the discharge hole 14, so that the buffer effect before the hydraulic rod 2 moves in place is achieved.
It should be noted that, the connecting pipes 15 are fixedly connected to one side of the plurality of discharge holes 14 located at one side of the top cover 7, the air spraying ring 16 is fixedly connected between the plurality of connecting pipes 15, the air spraying ring 16 is sleeved on the circumference of the hydraulic rod 2, air enters the air spraying ring 16 through the connecting pipes 15, and is sprayed on the circumference of the hydraulic rod 2 through the air spraying ring 16, so that the effect of cleaning the circumference of the hydraulic rod 2 is achieved.
In particular, fixedly connected with protective housing 3 between the circumference outer wall of sliding ring 8 and go-between 17 utilizes protective housing 3 to protect the product, improves the security and the life that the product used.
According to the utility model, the circumference of the protective shell 3 is provided with a plurality of through air holes 4, the air holes 4 are used for air flow in the protective shell 3, filter cotton is fixedly connected in each air hole 4, and the filter cotton has an air filtering effect.
Working principle: after hydraulic oil enters the cylinder body 1, the hydraulic rod 2 is pushed out, the connecting ring 17 is driven to move by the hydraulic rod 2, the sliding ring 8 is driven to move on the first connecting rod 9 by the connecting ring 17 through the second connecting rod 10, the hydraulic rod 2 stably stretches out under the combined action of the connecting ring 17, the second connecting rod 10 and the sliding ring 8, when the hydraulic rod 2 is about to move in place, the sliding ring 8 contacts with the inserting rod 12 and pushes the inserting rod 12 to move, the inserting rod 12 drives the piston 13 to slide in the sleeve 11, then gas in the sleeve 11 is slowly discharged through the discharging hole 14, the buffering effect on the hydraulic rod 2 before moving in place is achieved, meanwhile, the gas enters the air injection ring 16 through the connecting pipe 15, the air injection ring 16 is injected to the circumference of the hydraulic rod 2, the effect of cleaning the circumference of the hydraulic rod 2 is achieved, and similarly, when the hydraulic rod 2 is reset, the buffering mechanism 6 on the bottom cover 5 buffers the reset of the hydraulic rod 2.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (6)

1. The hydraulic cylinder comprises a cylinder body (1), wherein a bottom cover (5) and a top cover (7) are respectively arranged at two ends of the cylinder body (1), a hydraulic rod (2) is connected in a sliding manner in the cylinder body (1), the hydraulic rod (2) penetrates through the top cover (7) in a sliding manner, and the hydraulic cylinder is characterized in that a plurality of first connecting rods (9) are fixedly connected between the bottom cover (5) and the top cover (7), a slip ring (8) is connected between the first connecting rods (9) in a sliding manner, a connecting ring (17) is fixedly connected with the circumference of the hydraulic rod (2), and a plurality of second connecting rods (10) are fixedly connected between the connecting ring (17) and the slip ring (8);
And the plurality of buffer mechanisms (6) are respectively arranged on one side of the bottom cover (5) and one side of the top cover (7) to buffer the movement of the hydraulic rod (2).
2. The hydraulic cylinder according to claim 1, wherein the buffer mechanism (6) comprises a sleeve (11), the sleeve (11) is fixedly penetrated at one side of the top cover (7) or the bottom cover (5), one end of the sleeve (11) is slidably connected with a penetrating inserted rod (12), one end of the inserted rod (12) is fixedly connected with a piston (13), the piston (13) is slidably connected in the sleeve (11), a spring (18) is fixedly connected between the piston (13) and the sleeve (11), and one end of the sleeve (11) far away from the inserted rod (12) is provided with a discharge hole (14).
3. The hydraulic cylinder according to claim 2, wherein one side of the plurality of discharge holes (14) located at one side of the top cover (7) is fixedly connected with connecting pipes (15), a gas spraying ring (16) is fixedly communicated between the plurality of connecting pipes (15), and the gas spraying ring (16) is sleeved on the circumference of the hydraulic rod (2).
4. A hydraulic cylinder according to claim 1, characterized in that a protective shell (3) is fixedly connected between the slip ring (8) and the circumferential outer wall of the connecting ring (17).
5. A hydraulic cylinder according to claim 4, characterized in that the circumference of the protective shell (3) is provided with a plurality of through air holes (4).
6. The hydraulic cylinder according to claim 5, wherein filter cotton is fixedly connected in each air hole (4).
CN202322840649.1U 2023-10-23 2023-10-23 Hydraulic cylinder Active CN221144880U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202322840649.1U CN221144880U (en) 2023-10-23 2023-10-23 Hydraulic cylinder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202322840649.1U CN221144880U (en) 2023-10-23 2023-10-23 Hydraulic cylinder

Publications (1)

Publication Number Publication Date
CN221144880U true CN221144880U (en) 2024-06-14

Family

ID=91417965

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202322840649.1U Active CN221144880U (en) 2023-10-23 2023-10-23 Hydraulic cylinder

Country Status (1)

Country Link
CN (1) CN221144880U (en)

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