CN220748683U

CN220748683U - Wear-resistant piston rod assembly for hydraulic cylinder

Info

Publication number: CN220748683U
Application number: CN202322266611.8U
Authority: CN
Inventors: 王辉
Original assignee: Changzhou Junhui Vehicle Parts Co ltd
Current assignee: Changzhou Junhui Vehicle Parts Co ltd
Priority date: 2023-08-23
Filing date: 2023-08-23
Publication date: 2024-04-09
Anticipated expiration: 2033-08-23

Abstract

The utility model discloses a wear-resistant piston rod assembly for a hydraulic cylinder, which relates to the technical field of piston rods and comprises a hydraulic cylinder body, wherein a piston rod body is inserted into the hydraulic cylinder body, a connecting ring is welded at the end part of the hydraulic cylinder body, a butt joint frame is connected with the side edge of the connecting ring, a cleaning sponge is clamped in the butt joint frame, and a hole is formed in the center of the cleaning sponge. According to the utility model, the butt joint frame and the cleaning sponge are arranged, and impurities on the outer surface of the piston rod body can be cleaned through the arrangement of the cleaning sponge, so that the impurities are prevented from being attached to the outer surface of the piston rod body all the time, namely, the situation that the piston rod body is worn when being retracted into the hydraulic cylinder body is prevented, the threaded rod and the rotating block are arranged, and a worker can rotate the rotating block, so that the cover plate can be driven to be close to the cleaning sponge and be continuously extruded, and waste water in the cleaning sponge is extruded to be discharged through the water outlet groove, so that the subsequent normal use of the cleaning sponge is ensured.

Description

Wear-resistant piston rod assembly for hydraulic cylinder

Technical Field

The utility model relates to the technical field of piston rods, in particular to a wear-resistant piston rod assembly for a hydraulic cylinder.

Background

The hydraulic cylinder is a hydraulic actuating element which converts hydraulic energy into mechanical energy and carries out linear reciprocating motion, and the hydraulic cylinder consists of a cylinder barrel, a piston rod and an exhaust device, wherein the piston rod is a critical part in the operation process of the hydraulic cylinder and is also a connecting part for supporting the piston to do work.

When the hydraulic cylinder is started in outdoor severe environments such as a muddy building site with much sand and dust, the piston rod clamped inside the hydraulic cylinder stretches out, so that the surface of the piston rod is exposed to the air, namely dust particles, waste water and the like are easy to be stained, friction between the piston rod and the oil cylinder is increased, namely abrasion of the piston rod in the process of retracting the cylinder is easy to occur, oil leakage is caused, and normal operation of the hydraulic cylinder is influenced.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides a wear-resistant piston rod assembly for a hydraulic cylinder.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a wear-resisting piston rod subassembly for pneumatic cylinder, includes the hydraulic cylinder body, the inside of hydraulic cylinder body is inserted and is equipped with the piston rod body, the tip welding of hydraulic cylinder body has the go-between, and the side of go-between is connected with the butt joint frame, the inside block of butt joint frame has the clearance sponge, and the central point department of clearance sponge has seted up the hole, the inner wall in hole is laminated mutually with the surface of piston rod body.

Preferably, the connecting blocks are symmetrically distributed on one side of the butt joint frame, which is close to the connecting ring, and the connecting blocks are connected with the connecting ring through bolts.

Preferably, one side of the butt joint frame, which is close to the connecting ring, is symmetrically connected with a positioning rod, and a limiting groove matched with the positioning rod is formed in the connecting ring.

Preferably, a cover plate is arranged in the butt joint frame at one side of the cleaning sponge, which is far away from the connecting ring, and a water outlet groove is uniformly formed in the butt joint frame.

Preferably, the end of the butt joint frame is connected with a threaded rod through a bearing, the support frame is clamped in the threaded rod, a thread groove is formed in the support frame, and one end of the support frame is fixedly connected with the covering plate.

Preferably, the longitudinal section of the support frame is of a U-shaped structure, the other end of the support frame is clamped in the guide block, and the outer side of the guide block is fixedly connected with the butt joint frame.

Preferably, the end of the threaded rod is connected with a rotating block, and the outer side of the rotating block is uniformly provided with a connecting plate.

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

1. the device is through being provided with butt joint frame and clearance sponge, when using, through the setting of clearance sponge, can realize the clearance to piston rod body surface impurity to prevent that the impurity from adhering to the surface at the piston rod body all the time, prevent the piston rod body promptly and at the circumstances of wearing and tearing now when the inside of withdrawal hydraulic cylinder body, thereby can effectively guarantee the normal operating of device.

2. The device is through being provided with threaded rod and turning block, after using a period, the rotatable turning block of staff to can drive the overlay board and clear up the sponge and be close to and constantly extrude mutually, thereby extrude the inside waste water of clearance sponge and pass through the play basin and discharge, with guarantee the subsequent normal use of clearance sponge, but then the back turning block of staff, thereby drive the resilience of clearance sponge.

Drawings

FIG. 1 is a schematic perspective view of a wear resistant piston rod assembly for a hydraulic cylinder in accordance with the present utility model;

FIG. 2 is a schematic perspective cross-sectional view of the structure of FIG. 1;

FIG. 3 is a schematic perspective cross-sectional view of the cover plate and cleaning sponge structure of FIG. 1;

FIG. 4 is an enlarged schematic view of the structure A in FIG. 3 according to the present utility model

Fig. 5 is a schematic perspective cross-sectional view of the water outlet trough and support structure of fig. 1.

In the figure: 1. a hydraulic cylinder; 2. a piston rod body; 3. a connecting ring; 4. a butt joint frame; 5. a cover plate; 6. cleaning the sponge; 7. a connecting block; 8. a positioning rod; 9. a threaded rod; 10. a rotating block; 11. a support frame; 12. a guide block; 13. a water outlet tank; 14. a thread groove; 15. and (5) connecting a plate.

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.

Referring to fig. 1-5, a wear-resisting piston rod assembly for pneumatic cylinders, including the pneumatic cylinder body 1, the inside of pneumatic cylinder body 1 is inserted and is equipped with piston rod body 2, and the tip welding of pneumatic cylinder body 1 has go-between 3, and the side of go-between 3 is connected with butt joint frame 4, and the inside block of butt joint frame 4 has clearance sponge 6, and clearance sponge 6's central point puts department and has seted up the hole, and the inner wall in hole is laminated with the surface of piston rod body 2 mutually, and clearance sponge 6 is laminated with the inner wall of butt joint frame 4 mutually, is direct block in butt joint frame 4 to be convenient for follow-up change new clearance sponge 6.

Further, referring to fig. 3 and 5, it can be known that the connection block 7 is symmetrically distributed on one side of the docking frame 4 close to the connection ring 3, and the connection block 7 is connected with the connection ring 3 through bolts, when in use, the docking frame 4 can be disassembled through the mutual cooperation of the connection block 7 and the bolts, so that the replacement of the cleaning sponge 6 inside the docking frame 4 is realized, and the cleaning efficiency of the cleaning sponge 6 is ensured.

Further, referring to fig. 5, it can be known that a positioning rod 8 is symmetrically connected to one side of the docking frame 4, which is close to the connecting ring 3, and a limit groove adapted to the positioning rod 8 is provided in the connecting ring 3, so that the docking frame 4 can be positioned in an auxiliary manner by mutually matching the positioning rod 8 and the limit groove when the docking frame is dead in use, so that the docking frame is connected with the connecting ring 3.

Further, referring to fig. 3 and 5, it can be known that the cleaning sponge 6 is provided with the cover plate 5 inside the docking frame 4 far away from the side of the connecting ring 3, and the water outlet groove 13 is uniformly formed inside the docking frame 4, when in use, the cleaning sponge 6 can be extruded through the arrangement of the cover plate 5, so that waste water inside the cleaning sponge is discharged from the water outlet groove 13, and the cleaning sponge 6 can be used normally.

Further, referring to fig. 3 and 4, it can be known that the end portion of the docking frame 4 is connected with a threaded rod 9 through a bearing, the inside of the threaded rod 9 is clamped with a supporting frame 11, a threaded groove 14 is formed in the supporting frame 11, one end of the supporting frame 11 is fixedly connected with the covering plate 5, when in use, the docking of the covering plate 5 and the supporting frame 11 can be achieved through the mutual matching of the threaded rod 9 and the supporting frame 11, and the covering plate 5 can be pushed to move in the docking frame 4.

Further, referring to fig. 4, it can be known that the longitudinal section of the supporting frame 11 is set to be a U-shaped structure, the other end of the supporting frame 11 is clamped in the guiding block 12, and the outer side of the guiding block 12 is fixedly connected with the docking frame 4, and when in use, the other end of the supporting frame 11 can slide along the inner wall of the guiding block 12 through the supporting frame 11 set by the U-shaped structure, so as to guide the guiding block 12, thereby preventing the supporting frame 11 from idling.

Further, referring to fig. 3 and 4, it can be known that the end of the threaded rod 9 is connected with a rotating block 10, and the outer side of the rotating block 10 is uniformly provided with a connecting plate 15, when in use, the threaded rod 9 can be rotated through the mutual cooperation of the rotating block 10 and the connecting plate 15, so that the convenience in the use process of the device can be effectively improved.

Working principle: when the device is used, a worker can firstly install the device in a proper area, when the hydraulic cylinder body 1 is started, the piston rod body 2 extends out of the interior of the hydraulic cylinder body 1, impurities and waste water are attached to the outer surface of the piston rod body 2 in the extending process of the piston rod body 2, the outer surface of the piston rod body 2 is continuously contacted with the cleaning sponge 6 in the retracting process of the piston rod body 2 by the hydraulic cylinder body 1, the cleaning sponge 6 is tightly attached to the outer surface of the piston rod body 2, the impurities attached to the outer surface can be scraped off, the waste water on the outer surface of the cleaning sponge is absorbed, so that the piston rod body 2 is ensured to normally retract into the hydraulic cylinder body 1, after a period of use, the worker can rotate the rotating block 10, so that the supporting frame 11 is driven to be in threaded fit with the rotating block, the covering plate 5 can be driven to move in the butt joint frame 4, the continuous extrusion of the cleaning sponge 6 is realized, the waste water in the cleaning sponge 6 is extruded, the waste water flows out of the butt joint frame 4 through the butt joint frame 13, and after the waste water is discharged, the worker can reversely rotate the rotating block 10, so that the cleaning sponge 6 is not pressed by the compression force, and the cleaning sponge 6 can conveniently rebound, and the device is used in the normal principle.

In the utility model, the installation mode, the connection mode or the setting mode of all the components are common mechanical modes, and the specific structure, the model and the coefficient index of all the components are self-contained technologies, so long as the beneficial effects can be achieved, the implementation can be carried out, and redundant description is omitted.

The above examples are preferred embodiments of the present utility model, but the embodiments of the present utility model are not limited to the above examples, and any other changes, modifications, substitutions, combinations, and simplifications that do not depart from the spirit and principle of the present utility model should be made in the equivalent manner, and the embodiments are included in the protection scope of the present utility model.

In the present utility model, unless otherwise indicated, the terms "about" and "front and back," inner and outer, and vertical levels, "etc., used herein are merely intended to refer to the orientation of the term in conventional use, or are colloquially known to those skilled in the art, and should not be construed as limiting the term, while the terms" first, "second," and "third," etc., do not denote a particular number or order, but are merely intended to be used in distinguishing between the terms, and 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 also include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Claims

1. The utility model provides a wear-resisting piston rod subassembly for pneumatic cylinder, includes hydraulic cylinder body (1), its characterized in that, the inside of hydraulic cylinder body (1) is inserted and is equipped with piston rod body (2), the tip welding of hydraulic cylinder body (1) has go-between (3), and the side of go-between (3) is connected with butt joint frame (4), the inside block of butt joint frame (4) has clearance sponge (6), and the central point department of clearance sponge (6) has seted up the hole, the inner wall in hole is laminated mutually with the surface of piston rod body (2).

2. A wear-resistant piston rod assembly for a hydraulic cylinder according to claim 1, characterized in that the butt joint frame (4) is symmetrically distributed with connecting blocks (7) on one side close to the connecting ring (3), and the connecting blocks (7) are connected with the connecting ring (3) through bolts.

3. The wear-resistant piston rod assembly for the hydraulic cylinder according to claim 1, wherein one side of the butt joint frame (4) close to the connecting ring (3) is symmetrically connected with a positioning rod (8), and a limiting groove matched with the positioning rod (8) is formed in the connecting ring (3).

4. The wear-resistant piston rod assembly for the hydraulic cylinder according to claim 1, wherein a cover plate (5) is arranged inside a butt joint frame (4) on one side, far away from the connecting ring (3), of the cleaning sponge (6), and water outlet grooves (13) are uniformly formed inside the butt joint frame (4).

5. The wear-resistant piston rod assembly for the hydraulic cylinder according to claim 1, wherein the end part of the butt joint frame (4) is connected with a threaded rod (9) through a bearing, a supporting frame (11) is clamped in the threaded rod (9), a thread groove (14) is formed in the supporting frame (11), and one end of the supporting frame (11) is fixedly connected with the cover plate (5).

6. The wear-resistant piston rod assembly for the hydraulic cylinder according to claim 5, wherein the longitudinal section of the supporting frame (11) is of a U-shaped structure, the other end of the supporting frame (11) is clamped in the guide block (12), and the outer side of the guide block (12) is fixedly connected with the butt joint frame (4).

7. A wear-resistant piston rod assembly for a hydraulic cylinder according to claim 5, characterized in that the end of the threaded rod (9) is connected with a rotating block (10), and the outer side of the rotating block (10) is evenly distributed with connecting plates (15).