CN213598303U

CN213598303U - Corrosion-resistant pneumatic cylinder steel pipe of high strength

Info

Publication number: CN213598303U
Application number: CN202022526373.6U
Authority: CN
Inventors: 梅国强
Original assignee: Wuxi Qiangxin Machinery Manufacturing Co ltd
Current assignee: Wuxi Qiangxin Machinery Manufacturing Co ltd
Priority date: 2020-11-05
Filing date: 2020-11-05
Publication date: 2021-07-02
Anticipated expiration: 2030-11-05

Abstract

The utility model discloses a corrosion-resistant pneumatic cylinder steel pipe of high strength, comprising a cylinder body, the fixed first oilhole of having seted up in cylinder body bottom, the fixed second oilhole of seting up in cylinder body top, cylinder body bottom fixed connection base, the cavity is seted up to the internal fixation of cylinder, set up the steel pipe in the cavity, just the steel pipe is hugged closely the cavity activity sets up, steel pipe bottom fixedly connected with buffer beam, the first spring of buffer beam bottom fixed connection, the steel pipe bottom sets up the buffer block, the spacing hole is seted up to the internal fixation of buffer block, just first spring other end fixed connection spacing hole bottom, buffer block top fixed connection second spring, just second spring top fixed connection the steel pipe, cylinder body top fixed connection scraper, just the scraper with the steel pipe is hugged closely. The utility model discloses simple structure can effectively cushion when steel pipe reciprocating motion, and cylinder body top scraper can reject the adnexed impurity of steel pipe, avoids wearing and tearing.

Description

Corrosion-resistant pneumatic cylinder steel pipe of high strength

Technical Field

The utility model relates to a corrosion-resistant pneumatic cylinder technical field of high strength specifically is a corrosion-resistant pneumatic cylinder steel pipe of high strength.

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 general high-strength corrosion-resistant hydraulic cylinder steel pipe has the following defects: general corrosion-resistant pneumatic cylinder of high strength buffering effect is relatively poor, and when the steel pipe was straight reciprocating motion, can collide the cylinder bottom, and during steel pipe reciprocating motion, the steel pipe can subsidiary impurity, and impurity can lead to the fact wearing and tearing to steel pipe and pneumatic cylinder, reduces pneumatic cylinder and steel pipe life.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a corrosion-resistant pneumatic cylinder steel pipe of high strength to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a high-strength corrosion-resistant hydraulic cylinder steel pipe comprises a cylinder body, wherein the bottom of the cylinder body is fixedly provided with a first oil hole, the top of the cylinder body is fixedly provided with a second oil hole, the bottom of the cylinder body is fixedly connected with a base, the cylinder body is fixedly provided with a cavity, a steel pipe is arranged in the cavity, the steel pipe is movably arranged close to the cavity, the bottom of the steel pipe is fixedly connected with a buffer rod, the bottom of the buffer rod is fixedly connected with a first spring, the bottom of the steel pipe is provided with a buffer block, a limit hole is fixedly arranged in the buffer block, the buffer rod is movably arranged in the limit hole, the other end of the first spring is fixedly connected with the bottom of the limiting hole, the top of the buffer block is fixedly connected with a second spring, and the top of the second spring is fixedly connected with the steel pipe, the top of the cylinder body is fixedly connected with a scraper, and the scraper is tightly attached to the steel pipe.

Preferably, the top of the cylinder body is fixedly provided with a first sealing ring, and the first sealing ring is tightly attached to the steel pipe.

Preferably, a second sealing ring is fixedly arranged at the bottom of the steel pipe and is tightly attached to the cylinder body.

Preferably, a plurality of second springs are fixedly connected between the buffer block and the steel pipe.

Preferably, the cylinder body, the steel pipe and the buffer block are made of high-strength corrosion-resistant steel materials.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a set up the buffer beam in the steel pipe bottom, the buffer beam sets up in spacing hole, fixedly set up the first spring between buffer beam and spacing hole, fixedly set up the second spring between buffer block and steel pipe, when the steel pipe is reciprocating motion to the bottom, the buffer block collides with the cavity bottom, reduces the impact that the steel pipe collided with the cylinder body and brought through first spring and second spring, has improved the life of pneumatic cylinder;

2. the utility model discloses a set up the scraper at the cylinder body top is fixed, and the scraper is hugged closely with the steel pipe, when the steel pipe carries out straight reciprocating motion, debris such as adnexed dust on the steel pipe can be struck off by the scraper, avoid impurity to get into inside the cylinder body, prevent to cause wearing and tearing to cylinder body and steel pipe when steel pipe reciprocating motion, can effectively improve the life of pneumatic cylinder and steel pipe.

Drawings

FIG. 1 is a schematic view of the overall structure of a high-strength corrosion-resistant hydraulic cylinder steel pipe of the present invention;

fig. 2 is the utility model relates to a structural schematic diagram is overlooked to corrosion-resistant pneumatic cylinder steel pipe of high strength.

In the figure: 1. a cylinder body; 2. a first oil hole; 3. a second oil hole; 4. a base; 5. a cavity; 6. a steel pipe; 7. a buffer rod; 8. a first spring; 9. a buffer block; 10. a limiting hole; 11. a second spring; 12. a scraper; 13. a first seal ring; 14. and a second seal 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.

Referring to fig. 1-2, the utility model provides a high-strength corrosion-resistant hydraulic cylinder steel tube technical scheme: a high-strength corrosion-resistant hydraulic cylinder steel pipe comprises a cylinder body 1, wherein a first oil hole 2 is fixedly formed in the bottom of the cylinder body 1, a second oil hole 3 is fixedly formed in the top of the cylinder body 1, a steel pipe 6 is driven to reciprocate in the cylinder body 1 through oil inlet and outlet of the first oil hole 2 and the second oil hole 3, a base 4 is fixedly connected to the bottom of the cylinder body 1, a cavity 5 is fixedly formed in the cylinder body 1, the steel pipe 6 is arranged in the cavity 5, the steel pipe 6 is movably arranged close to the cavity 5, a buffer rod 7 is fixedly connected to the bottom of the steel pipe 6, a first spring 8 is fixedly connected to the bottom of the buffer rod 7, a buffer block 9 is arranged at the bottom of the steel pipe 6, a limiting hole 10 is fixedly formed in the buffer block 9, the buffer rod 7 is movably arranged in the limiting hole 10, the other end of the first spring 8 is fixedly connected to the bottom of the, when steel pipe 6 is reciprocating motion to the bottom, buffer block 9 collides with cavity 5 bottom, reduce the impact that steel pipe 6 and 1 collision of cylinder body brought through first spring 8 and second spring 11, 1 top fixedly connected with scraper 12 of cylinder body, and scraper 12 hugs closely with steel pipe 6, when steel pipe 6 carries out sharp reciprocating motion, debris such as adnexed dust can be struck off by scraper 12 on the steel pipe 6, avoid impurity to get into inside 1 cylinder body, prevent to cause wearing and tearing to cylinder body 1 and steel pipe 6 when 6 reciprocating motion of steel pipe, can effectively improve the life of pneumatic cylinder and steel pipe 6.

The top of the cylinder body 1 is fixedly provided with a first sealing ring 13, and the first sealing ring 13 is tightly attached to the steel pipe 6, so that the sealing performance of the steel pipe 6 and the cylinder body 1 can be improved.

The bottom of the steel pipe 6 is fixedly provided with a second sealing ring 14, and the second sealing ring 14 is tightly attached to the cylinder body 1, so that the sealing performance of the cylinder body 1 and the steel pipe 6 can be improved.

A plurality of second springs 11 are fixedly connected between the buffer block 9 and the steel pipe 6, and impact can be effectively buffered.

The cylinder body 1, the steel pipe 6 and the buffer block 9 are made of high-strength corrosion-resistant steel materials, so that the strength and the corrosion resistance of the hydraulic cylinder and the steel pipe 6 are improved.

The working principle is as follows: the utility model arranges the buffer rod 7 at the bottom of the steel tube 6, the buffer rod 7 is arranged in the limit hole 10, a first spring 8 is fixedly arranged between the buffer rod 7 and the limit hole 10, a second spring 11 is fixedly arranged between the buffer block 9 and the steel pipe 6, when the steel pipe 6 reciprocates to the bottom, the buffer block 9 collides with the bottom of the cavity 5, the impact caused by the collision of the steel pipe 6 and the cylinder body 1 is reduced through the first spring 8 and the second spring 11, the service life of the hydraulic cylinder is prolonged, the scraper 12 is fixedly arranged at the top of the cylinder body 1, and the scraper 12 is tightly attached to the steel pipe 6, when steel pipe 6 carries out linear reciprocating motion, debris such as the dust that adheres to on the steel pipe 6 can be scraped by scraper 12, avoid impurity entering cylinder body 1 inside, prevent to cause wearing and tearing to cylinder body 1 and steel pipe 6 when steel pipe 6 reciprocating motion, can effectively improve the life of pneumatic cylinder and steel pipe 6.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a corrosion-resistant pneumatic cylinder steel pipe of high strength, includes cylinder body (1), its characterized in that: the oil cylinder is characterized in that a first oil hole (2) is fixedly formed in the bottom of the cylinder body (1), a second oil hole (3) is fixedly formed in the top of the cylinder body (1), a base (4) is fixedly connected to the bottom of the cylinder body (1), a cavity (5) is fixedly formed in the cylinder body (1), a steel pipe (6) is arranged in the cavity (5), the steel pipe (6) is tightly attached to the cavity (5) and movably arranged, a buffer rod (7) is fixedly connected to the bottom of the steel pipe (6), a first spring (8) is fixedly connected to the bottom of the buffer rod (7), a buffer block (9) is arranged at the bottom of the steel pipe (6), a limiting hole (10) is fixedly formed in the buffer block (9), the buffer rod (7) is movably arranged in the limiting hole (10), and the other end of the first spring (8) is fixedly connected to the bottom, buffer block (9) top fixedly connected with second spring (11), just second spring (11) top fixedly connected steel pipe (6), cylinder body (1) top fixedly connected with scraper (12), just scraper (12) with steel pipe (6) are hugged closely.

2. The high-strength corrosion-resistant hydraulic cylinder steel pipe according to claim 1, wherein: the top of the cylinder body (1) is fixedly provided with a first sealing ring (13), and the first sealing ring (13) is tightly attached to the steel pipe (6).

3. The high-strength corrosion-resistant hydraulic cylinder steel pipe according to claim 1, wherein: and a second sealing ring (14) is fixedly arranged at the bottom of the steel pipe (6), and the second sealing ring (14) is tightly attached to the cylinder body (1).

4. The high-strength corrosion-resistant hydraulic cylinder steel pipe according to claim 1, wherein: and a plurality of second springs (11) are fixedly connected between the buffer block (9) and the steel pipe (6).

5. The high-strength corrosion-resistant hydraulic cylinder steel pipe according to claim 1, wherein: the cylinder body (1), the steel pipe (6) and the buffer block (9) are made of high-strength corrosion-resistant steel materials.