CN214036351U

CN214036351U - Piston rod of hydraulic oil cylinder

Info

Publication number: CN214036351U
Application number: CN202023298346.4U
Authority: CN
Inventors: 陈志荣
Original assignee: Wuxi Yushen Hydraulic Machinery Co ltd
Current assignee: Wuxi Yushen Hydraulic Machinery Co ltd
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2021-08-24
Anticipated expiration: 2030-12-30

Abstract

The utility model discloses a hydraulic cylinder piston rod, which comprises a piston rod casing and a first-stage piston rod, wherein the bottom of the inner side of the piston rod casing is fixedly provided with a buffer gasket, the two sides of the inner wall of the piston rod casing are provided with sliding grooves, the two sides of the bottom of the first-stage piston rod are fixedly connected with clamping plates which are correspondingly arranged, the bottom of the first-stage piston rod is positioned inside the piston rod casing, and the clamping plates are in sliding connection with the sliding grooves, the top of the buffer gasket is fixedly connected with a telescopic rod, the top of the telescopic rod is fixedly connected with the bottom of the first-stage piston rod, the top of the first-stage piston rod is connected with a supporting block, the device adopts a two-stage piston rod, can improve the length of the reciprocating motion of the piston rod, and further improve the applicability of the piston rod, and simultaneously, because the bottom of the first-stage piston rod is provided with the buffer gasket, the friction between the first-stage piston rod and the piston rod casing can be reduced, thereby prolonging the service life of the device.

Description

Piston rod of hydraulic oil cylinder

Technical Field

The utility model belongs to the technical field of the piston rod, specifically be a hydraulic cylinder piston rod.

Background

As the name suggests, 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 a cylinder movement executing component, and the piston rod is a moving component with frequent movement and high technical requirements. The piston rod is mainly used for piston rods for hydraulic pneumatics, engineering machinery and automobile manufacturing, guide posts of plastic machinery, roll shafts of packaging machinery and printing machinery, axes of textile machinery and conveying machinery and linear optical axes for linear motion.

However, when the existing piston rod is applied to a hydraulic oil cylinder, particularly in the aspect of jacking a heavy object, the object needs to be put down when the direction of the object is turned after the object is jacked, otherwise the piston rod is easy to damage, and the piston rod is easy to break or the rotation angle is difficult to adjust in the rotating process. Therefore, the structure of the piston rod needs to be improved, and a piston rod of a hydraulic oil cylinder is provided, so that the problems are solved better.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the above-mentioned problems, a hydraulic cylinder piston rod is provided.

The utility model adopts the technical scheme as follows:

the utility model provides a hydraulic cylinder piston rod, includes piston rod cover shell and first order piston rod, the inside of piston rod cover shell is the cavity, and inboard bottom fixed mounting has buffer pad, the sliding tray of corresponding setting is seted up to the inner wall both sides of piston rod cover shell, and the upper and lower both ends of sliding tray flush with the piston rod cover shell, the joint board of the corresponding setting of bottom both sides fixedly connected with of first order piston rod, and joint board and sliding tray looks adaptation, the bottom of first order piston rod is located the inside of piston rod cover shell, and joint board and sliding tray sliding connection, buffer pad's top fixedly connected with telescopic link, and the top of telescopic link and the bottom fixed connection of first order piston rod, the top of first order piston rod is connected with the supporting shoe, and the bottom of supporting shoe is connected with the second level piston rod.

In a preferred embodiment, the bottom of the piston rod casing is fixedly connected with a penetrating oil cylinder head, the outside of the telescopic rod is provided with a buffer spring, the top of the buffer spring is fixedly connected with the first-stage piston rod, and the bottom of the buffer spring is fixedly connected with the top of the buffer gasket.

In a preferred embodiment, the inside of the first-stage piston rod is a cavity, an annular groove is formed in the outer side wall of the top of the first-stage piston rod, and a connecting plate is fixedly connected to the bottom of the supporting block and slidably connected with the annular groove.

In a preferred embodiment, a rotating disc is installed in the middle of the inner cavity of the first-stage piston rod and is slidably installed on the inner wall of the first-stage piston rod through protruding bearings on two sides, and a first electric rod is fixedly installed at the top of the rotating disc.

In a preferred embodiment, a second-stage piston rod is fixedly connected to the top of the first electric rod, the top of the second-stage piston rod is fixedly connected to the support block, and the two walls of the second-stage piston rod are fixedly connected to the second electric rods which are correspondingly arranged.

In a preferred embodiment, the one end that second level piston rod was kept away from to the electronic pole of second runs through the inner wall of first level piston rod, and closely laminates with the connecting plate, the corresponding fixed plate that sets up of bottom fixedly connected with of first level piston rod inner chamber, and fixed mounting has direct current motor between the fixed plate, direct current motor's top fixedly connected with rotary rod, and the top and the rotary disk fixed connection of rotary rod.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. the utility model discloses in, owing to adopt the supporting shoe to be located the top of second level piston rod, can increase the area of contact of piston rod and object effectively, and then improve the stability of this device when using, and this device adopts the two-stage piston rod, can improve piston rod reciprocating motion's length, and then improve the suitability of piston rod, simultaneously because the bottom of first level piston rod is provided with buffer pad, can reduce the friction of first level piston rod and piston rod cover shell, and then improve the life of this device, and telescopic link and buffer spring's combined action can further improvement under the buffer capacity of this device.

2. The utility model discloses in, direct current motor can drive the rotary rod and rotate, and then make the rotary disk rotate, the electronic pole of simultaneous control second returns and contracts, can independently control the supporting shoe this moment and rotate, and then apply rotary power to the object that is pushing up on it, more for saving strength, and can independently lock the connecting plate through the electronic pole of second moreover, and then the locking direction of rotation, can control the second level piston rod moreover and fix the inside at the first level piston rod, effectively improved space utilization.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a sectional view of the first stage piston rod of the present invention;

fig. 3 is a top view of the middle support block of the present invention.

The labels in the figure are: the device comprises a piston rod casing 1, a piston rod casing 2, a first-stage piston rod, a buffer gasket 3, a sliding groove 4, a clamping plate 5, a telescopic rod 6, a supporting block 7, a second-stage piston rod 8, a buffer spring 9, a connecting plate 10, a rotating disc 11, a first electric rod 12, a second electric rod 13, a fixing plate 14, a direct current motor 15 and a rotating rod 16.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

Referring to fig. 1-3, a hydraulic cylinder piston rod comprises a piston rod casing 1 and a first-stage piston rod 2, the bottom of the piston rod casing 1 is fixedly connected with a penetrating cylinder head, the interior of the piston rod casing 1 is a cavity, the bottom of the inner side is fixedly provided with a buffer gasket 3, two sides of the inner wall of the piston rod casing 1 are provided with sliding grooves 4 which are correspondingly arranged, the upper end and the lower end of each sliding groove 4 are flush with the piston rod casing 1, two sides of the bottom of the first-stage piston rod 2 are fixedly connected with clamping plates 5 which are correspondingly arranged, the clamping plates 5 are matched with the sliding grooves 4, the bottom of the first-stage piston rod 2 is positioned in the piston rod casing 1, the clamping plates 5 are connected with the sliding grooves 4 in a sliding manner, the top of the buffer gasket 3 is fixedly connected with a telescopic rod 6, the top of the telescopic rod 6 is fixedly connected with the bottom of the first-stage piston rod 2, and the outside of the telescopic rod 6 is provided with a buffer spring 9, the top of the buffer spring 9 is fixedly connected with the first-stage piston rod 2, the bottom of the buffer spring 9 is fixedly connected with the top of the buffer gasket 3, the buffer gasket 3 is arranged at the bottom of the first-stage piston rod 2, the friction between the first-stage piston rod 2 and the piston rod casing 1 can be reduced, the service life of the device is further prolonged, the buffer capacity of the device can be further improved under the combined action of the telescopic rod 6 and the buffer spring 9, the top of the first-stage piston rod 2 is connected with the supporting block 7, the contact area between the piston rod and an object can be effectively increased due to the fact that the supporting block 7 is positioned at the top of the second-stage piston rod 8, the stability of the device in use is further improved, the second-stage piston rod 8 is connected at the bottom of the supporting block 7, the device adopts two-stage piston rods, the reciprocating motion length of the piston rod can be improved, and the applicability of the piston rod is further improved, the inside of the first-stage piston rod 2 is a cavity, the top outer side wall of the first-stage piston rod 2 is provided with an annular groove, the bottom of the supporting block 7 is fixedly connected with a connecting plate 10, the connecting plate 10 is connected with the annular groove in a sliding manner, the middle position of the inner cavity of the first-stage piston rod 2 is provided with a rotating disk 11, the rotating disk 11 is slidably mounted with the inner wall of the first-stage piston rod 2 through protruding bearings on two sides, the top of the rotating disk 11 is fixedly provided with a first electric rod 12, the top of the first electric rod 12 is fixedly connected with a second-stage piston rod 8, the top of the second-stage piston rod 8 is fixedly connected with the supporting block 7, two walls of the second-stage piston rod 8 are fixedly connected with correspondingly arranged second electric rods 13, one end of each second electric rod 13, far away from the second-stage piston rod 8, penetrates through the inner wall of the first-stage piston rod 2 and is tightly attached to the connecting plate 10, the bottom of the inner cavity of the first-stage piston rod 2 is fixedly connected with a correspondingly arranged fixing plate 14, and fixed mounting has direct current motor 15 between the fixed plate 14, direct current motor 15's top fixedly connected with rotary rod 16, and rotary rod 16's top and rotary disk 11 fixed connection, direct current motor 15 can drive rotary rod 16 and rotate, and then make rotary disk 11 rotate, control the electronic pole 13 of second simultaneously and retract, can independently control supporting shoe 7 and rotate this moment, and then apply rotary power to the object that is pushing against on it, more for saving strength, and can independently lock connecting plate 10 through the electronic pole 13 of second, and then lock the direction of rotation, and can control second level piston rod 8 to fix in the inside of first level piston rod 2, space utilization has effectively been improved.

The working principle is as follows: in this application, with the below of supporting shoe 7 top at the object when using, the change appears in the inside pressure of piston rod cover shell 1 under the effect of hydro-cylinder head afterwards, and then makes joint plate 5 upwards slide on sliding tray 4, starts the electronic pole 13 of second afterwards and removes the locking to start first electronic pole 12 and direct current motor 15, further improve the jack-up height of this device and rotation angle's controllability.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a hydraulic cylinder piston rod, includes piston rod cover shell (1) and first order piston rod (2), its characterized in that: the piston rod casing (1) is internally provided with a cavity, the bottom of the inner side of the piston rod casing is fixedly provided with a buffer gasket (3), two sides of the inner wall of the piston rod casing (1) are provided with sliding grooves (4) which are correspondingly arranged, the upper and lower ends of the sliding grooves (4) are flush with the piston rod casing (1), two sides of the bottom of the first-stage piston rod (2) are fixedly connected with clamping plates (5) which are correspondingly arranged, the clamping plates (5) are matched with the sliding grooves (4), the bottom of the first-stage piston rod (2) is positioned in the piston rod casing (1), the clamping plates (5) are in sliding connection with the sliding grooves (4), the top of the buffer gasket (3) is fixedly connected with a telescopic rod (6), the top of the telescopic rod (6) is fixedly connected with the bottom of the first-stage piston rod (2), the top of the first-stage piston rod (2) is connected with a supporting block (7), and the bottom of the supporting block (7) is connected with a second-stage piston rod (8).

2. A hydraulic cylinder piston rod according to claim 1, characterized in that: the bottom fixedly connected with of piston rod cover shell (1) runs through the hydro-cylinder head, the outside of telescopic link (6) is provided with buffer spring (9), and the top and first order piston rod (2) fixed connection of buffer spring (9), the top fixed connection of the bottom and buffer shim (3) of buffer spring (9).

3. A hydraulic cylinder piston rod according to claim 1, characterized in that: the inside of first order piston rod (2) is the cavity, and the top lateral wall of first order piston rod (2) has seted up the ring channel, the bottom fixedly connected with connecting plate (10) of supporting shoe (7), and connecting plate (10) and ring channel sliding connection.

4. A hydraulic cylinder piston rod according to claim 3, characterized in that: the middle position of the inner cavity of the first-stage piston rod (2) is provided with a rotating disk (11), the rotating disk (11) is slidably mounted on the inner wall of the first-stage piston rod (2) through protruding bearings on two sides, and a first electric rod (12) is fixedly mounted at the top of the rotating disk (11).

5. A hydraulic cylinder piston rod according to claim 4, characterized in that: the top of the first electric rod (12) is fixedly connected with a second-stage piston rod (8), the top of the second-stage piston rod (8) is fixedly connected with the supporting block (7), and two walls of the second-stage piston rod (8) are fixedly connected with a second electric rod (13) which is correspondingly arranged.

6. A hydraulic cylinder piston rod according to claim 5, characterized in that: the one end that second level piston rod (8) were kept away from in electronic pole (13) of second runs through the inner wall of first order piston rod (2), and closely laminates with connecting plate (10), fixed plate (14) of the corresponding setting of bottom fixedly connected with of first order piston rod (2) inner chamber, and fixed mounting has direct current motor (15) between fixed plate (14), the top fixedly connected with rotary rod (16) of direct current motor (15), and the top and rotary disk (11) fixed connection of rotary rod (16).