CN212028231U

CN212028231U - Oil cylinder piston rod connecting device

Info

Publication number: CN212028231U
Application number: CN202020118454.XU
Authority: CN
Inventors: 黄荻文; 王兆群; 吴贤辉; 沈晓杰
Original assignee: Fujian Nabowan Intelligent Equipment Co ltd
Current assignee: Fujian Nabowan Intelligent Equipment Co ltd
Priority date: 2020-01-18
Filing date: 2020-01-18
Publication date: 2020-11-27
Anticipated expiration: 2030-01-18

Abstract

The utility model discloses an oil cylinder piston rod connecting device, which comprises a housin, the first installation head of top fixedly connected with of casing, the top fixedly connected with rubber seal of first installation head, rubber seal's bottom fixedly connected with dust ring, dust ring's bottom fixedly connected with buffering circle, the first buffer block of bottom fixedly connected with of buffering circle, the bottom of first buffer block is provided with first spring, the inside fixedly connected with heating panel of casing, the first fixed block of top fixedly connected with of heating panel, first buffer block passes through first spring elastic connection with first fixed block, the inside of casing and the bottom that is located first installation head are provided with the cavity, the inside fixedly connected with ring that wear-resistants of cavity, the installation head of bottom fixedly connected with second of casing. The utility model discloses, prevented high temperature and dust effectively and through the buffering ring with wear ring has reduced the impaired of piston rod effectively.

Description

Oil cylinder piston rod connecting device

Technical Field

The utility model relates to a technical field is connected to the piston rod, especially relates to an oil cylinder piston rod connecting device.

Background

The piston rod is a connecting component for supporting the piston to do work, most of the piston rod is applied to an oil cylinder and an air cylinder movement executing component, and the piston rod is a moving component with frequent movement and high technical requirement, taking the hydraulic oil cylinder as an example and comprising the following components: the cylinder barrel, the piston rod, the piston and the end cover are formed, the service life and the reliability of the whole product are directly influenced by the quality of the machining quality of the cylinder barrel, the piston rod is high in machining requirement, and the requirements on coaxiality and wear resistance are strict.

However, the conventional piston rod connecting device has a large amount of dust and high temperature, which may cause damage to the piston rod, and has no good buffer structure to solve the problem of large driving force, resulting in damage to the piston rod.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a connecting device for a piston rod of an oil cylinder.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides an oil cylinder piston rod connecting device, includes the casing, the first installation head of top fixedly connected with of casing, the top fixedly connected with rubber seal of first installation head, rubber seal's bottom fixedly connected with dust ring, the bottom fixedly connected with buffering circle of dust ring, the first buffer block of bottom fixedly connected with of buffering circle, the bottom elastic connection of first buffer block has first spring, the inside fixedly connected with heating panel of casing, the first fixed block of top fixedly connected with of heating panel, first buffer block passes through first spring elastic connection with first fixed block, the inside of casing and the bottom that is located first installation head are provided with the cavity, the inside fixedly connected with ring that wear-resistants of cavity, the bottom fixedly connected with second installation head of casing.

As a further description of the above technical solution:

the lateral wall of heating panel is provided with the louvre, the heating panel has two.

As a further description of the above technical solution:

the first mounting head is provided with a first feeding hole inside, the second mounting head is provided with a second feeding hole inside, and the width of the first feeding hole and the width of the second feeding hole are larger than the width of the cavity.

As a further description of the above technical solution:

an adsorption net is arranged in the dust ring, and the dust ring is fixedly connected in the second mounting head.

As a further description of the above technical solution:

the bottom of buffer ring just is located the other end fixed connection second buffer block of first buffer block, and the bottom elastic connection of second buffer block has the second spring, the bottom elastic connection of second spring has the second fixed block, first fixed block has two with the second fixed block, first spring has two with the second spring, first buffer block and second buffer block and two.

As a further description of the above technical solution:

and a rubber pad is arranged on the surface of the antiwear ring.

The utility model discloses following beneficial effect has:

1. compared with the prior art, this oil cylinder piston rod connecting device can solve the entering of dust through being provided with rubber seal and dust ring, has accelerated the heat dissipation through setting up heating panel and louvre and has prevented the damage of high temperature to the piston rod.

2. Compared with the prior art, this oil cylinder piston rod connecting device reduces drive power through setting up buffer ring and buffer structure such as buffer block spring and fixed block to and the ring rubber pad of wearing resistant of cavity inside has reduced the friction impaired, has increased the life of piston rod.

Drawings

Fig. 1 is a structural front view of a cylinder piston rod connecting device provided by the present invention;

fig. 2 is a front view of a heat dissipation plate of the oil cylinder piston rod connecting device provided by the present invention;

fig. 3 is a partial enlarged view of fig. 1-a according to the present invention.

Illustration of the drawings:

1. a housing; 2. a first mounting head; 3. a rubber seal ring; 4. a dust ring; 5. an adsorption net; 6. a buffer ring; 7. a first buffer block; 8. a first spring; 9. a first fixed block; 10. a heat dissipation plate; 11. a cavity; 12. heat dissipation holes; 13. a second mounting head; 14. a first feed port; 15. a second feed port; 16. an antiwear ring; 17. a rubber pad; 18. a second buffer block; 19. a second spring; 20. and a second fixed block.

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 explicitly fixed or limited otherwise, 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.

Referring to fig. 1-3, the utility model provides a pair of oil cylinder piston rod connecting device: the shock absorber comprises a shell 1, a first mounting head 2 is fixedly connected to the top end of the shell 1, a rubber sealing ring 3 is fixedly connected to the top end of the first mounting head 2, dust is prevented from entering and friction is reduced, a dustproof ring 4 is fixedly connected to the bottom end of the rubber sealing ring 3, dust is prevented from entering again, a buffer ring 6 is fixedly connected to the bottom end of the dustproof ring 4, buffer is reduced, a first buffer block 7 is fixedly connected to the bottom end of the buffer ring 6, a first spring 8 is elastically connected to the bottom end of the first buffer block 7, a heat dissipation plate 10 is fixedly connected to the inside of the shell 1, damage to a piston rod due to high temperature is prevented, a first fixed block 9 is fixedly connected to the top end of the heat dissipation plate 10, the first buffer block 7 is elastically connected with the first fixed block 9 through the first spring 8, and a buffer layer is formed by the first buffer, the inside of casing 1 just is located the bottom of first installation head 2 and is provided with cavity 11 for the erection joint, the inside fixedly connected with ring 16 that wear-resistants of cavity 11 reduces the friction, improves life-span, and the bottom fixedly connected with second installation head 13 of casing 1.

The side wall of the heat dissipation plate 10 is provided with two heat dissipation holes 12, the heat dissipation plate 10 is provided with two heat dissipation holes 12 which simultaneously dissipate heat from the left side and the right side, the heat dissipation holes 12 accelerate the heat dissipation rate, the first mounting head 2 is internally provided with a first feed port 14, the second mounting head 13 is internally provided with a second feed port 15, the widths of the first feed port 14 and the second feed port 15 are larger than the width of the cavity 11, the wear-resistant ring 16 is effectively contacted, the friction is reduced, the dust-resistant ring 4 is internally provided with an adsorption net 5 which adsorbs dust, the second mounting head 13 is internally fixedly connected with a dust-resistant ring 4, the bottom end of the buffer ring 6 and the other end of the first buffer block 7 are fixedly connected with a second buffer block 18, the bottom end of the second buffer block 18 is elastically connected with a second spring 19, the bottom end of the second spring 19 is elastically connected with a second fixed block 20, the first fixed block 9 and, first buffer 7 and second buffer 18 and two are provided with buffer from top to bottom, have reduced drive power, and the surface of ring 16 that wear-resistants is provided with rubber pad 17, reduces the friction.

The working principle is as follows: when the device is used, two piston rods enter through a first feed inlet 14 and a second feed inlet 15 of a first mounting head 2 and a second mounting head 13, the rubber sealing ring 3 and the adsorption net 5 in the dust ring 4 prevent and adsorb dust, when the device works, the buffer ring 6, the first buffer block 7 and the second buffer block 18, the first spring 8 and the second spring 19, the buffer structure formed by the first fixed block 9 and the second fixed block 20 can effectively reduce the driving force, the rubber pad 17 on the anti-wear ring 16 in the cavity 11 is used for reducing friction, the radiating holes 12 on the two radiating plates 10 in the shell 1 radiate heat, and the piston rods are prevented from being damaged due to high temperature.

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

1. The utility model provides an oil cylinder piston rod connecting device, includes casing (1), its characterized in that: the dust-proof and dust-proof shell is characterized in that a first mounting head (2) is fixedly connected to the top end of the shell (1), a rubber sealing ring (3) is fixedly connected to the top end of the first mounting head (2), a dust-proof ring (4) is fixedly connected to the bottom end of the rubber sealing ring (3), a buffering ring (6) is fixedly connected to the bottom end of the dust-proof ring (4), a first buffering block (7) is fixedly connected to the bottom end of the buffering ring (6), a first spring (8) is elastically connected to the bottom end of the first buffering block (7), a heat dissipation plate (10) is fixedly connected to the interior of the shell (1), a first fixing block (9) is fixedly connected to the top end of the heat dissipation plate (10), the first buffering block (7) is elastically connected to the first fixing block (9) through the first spring (8), a cavity (11) is formed in the shell (1) and located at, the inside fixedly connected with ring (16) of wearing of cavity (11), the bottom fixedly connected with second installation head (13) of casing (1).

2. The cylinder piston rod connecting device according to claim 1, wherein: the side wall of the heat dissipation plate (10) is provided with two heat dissipation holes (12), and the number of the heat dissipation plates (10) is two.

3. The cylinder piston rod connecting device according to claim 1, wherein: the inside of first installation head (2) is provided with first feed inlet (14), the inside of second installation head (13) is provided with second feed inlet (15), the width of first feed inlet (14) and second feed inlet (15) is greater than the width of cavity (11).

4. The cylinder piston rod connecting device according to claim 1, wherein: an adsorption net (5) is arranged inside the dust ring (4), and the dust ring (4) is fixedly connected inside the second mounting head (13).

5. The cylinder piston rod connecting device according to claim 1, wherein: the bottom of buffer ring (6) and the other end fixed connection second buffer block (18) that is located first buffer block (7), the bottom elastic connection of second buffer block (18) has second spring (19), the bottom elastic connection of second spring (19) has second fixed block (20), first fixed block (9) have two with second fixed block (20), first spring (8) have two with second spring (19), first buffer block (7) and second buffer block (18) and two.

6. The cylinder piston rod connecting device according to claim 1, wherein: the surface of the antiwear ring (16) is provided with a rubber pad (17).