CN220416211U - Leak-proof piston rod - Google Patents

Abstract

The utility model discloses a leakage-proof piston rod, which comprises a base, wherein a piston rod body is fixedly connected to the right side of the base, a fixed ring is fixedly sleeved on the surface of the piston rod body, the top and the bottom of the fixed ring are movably connected with a rotating wheel through a bearing seat, the bottom of the rotating wheel penetrates into the fixed ring, the front end and the back end of the inner wall of the fixed ring are both in sliding connection with a sliding rod, and the back end of the sliding rod is in sliding connection with the surface of the rotating wheel. According to the utility model, through the arrangement of the rotating wheel, the sliding rod, the arc-shaped plate and the rubber ring, the rotating wheel can rotate to force the sliding rod to approach inwards, the sliding rod approaches inwards to clamp and squeeze the rubber ring to be tightly attached to the surface of the piston rod body, so that oil can not leak in the working process of the piston rod body, the piston rod is frequently lubricated when being used for sitting for a long time instead of the existing piston rod, and lubricating oil is easily brought out to leak in the moving process, so that the service life of the piston rod is prolonged.

Description

Leak-proof piston rod

Technical Field

The utility model relates to the technical field of piston rods, in particular to a leakage-proof piston rod.

Background

The piston rod is a connecting part for supporting the piston to do work, most of the piston rod is applied to a cylinder and cylinder movement executing part, and is a moving part with frequent movement and high technical requirements, and the piston rod is formed by a hydraulic cylinder as an example, and a cylinder barrel, a piston rod, a piston and an end cover.

The piston rod is needed in mechanical work such as a cylinder, an oil cylinder and the like, the existing piston rod is needed to be lubricated frequently in long-time piston movement, lubricating oil is easy to be brought out to leak in the movement process, and the service life of the piston rod is reduced.

Therefore, the piston rod needs to be designed and modified, the piston rod is effectively prevented from being frequently lubricated when the piston rod is in long-time sitting piston movement, and lubricating oil is easily brought out to leak in the movement process.

Disclosure of Invention

In order to solve the problems in the prior art, the utility model aims to provide a leakage-proof piston rod, which has the advantage of leakage prevention and solves the problems that the piston rod needs to be lubricated frequently when a piston is sitting for a long time and lubricating oil is easy to be brought out to leak in the moving process.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a leak protection piston rod, includes the base, the right side fixedly connected with piston rod body of base, piston rod body's fixed surface has cup jointed solid fixed ring, gu fixed ring's top and bottom all have the runner through bearing frame swing joint, the bottom of runner runs through to gu fixed ring's inside, gu fixed ring inner wall's front end and the equal sliding connection of back end have the slide bar, the back end of slide bar and the surface sliding connection of runner, the bottom fixedly connected with arc of slide bar, gu fixed ring inner wall's front end and back end and cup joint the fixed surface at the piston rod body and be connected with the rubber circle, the inboard of arc and the surface contact of rubber circle.

As the preferable mode of the utility model, the front end and the back end of the inner wall of the fixed ring are respectively provided with a sliding groove, and the length of the sliding groove is longer than the moving distance of the sliding rod.

As the preferable mode of the utility model, the top and the bottom of the surface of the rotating wheel are fixedly connected with the anti-skid blocks, and the number of the anti-skid blocks is a plurality of and is uniformly distributed.

As the preferable mode of the utility model, an elliptical groove is formed on the surface of the rotating wheel and corresponds to the sliding rod, and the elliptical groove is matched with the sliding rod for use.

Preferably, the left side and the right side of the fixing ring are provided with openings corresponding to the piston rod body, and the width of the openings is larger than that of the piston rod body.

As the preferable mode of the utility model, the diameter of the arc-shaped plate is larger than that of the rubber ring, and the arc-shaped plate is matched with the slide bar.

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

1. according to the utility model, through the arrangement of the rotating wheel, the sliding rod, the arc-shaped plate and the rubber ring, the rotating wheel can rotate to force the sliding rod to approach inwards, the sliding rod approaches inwards to clamp and squeeze the rubber ring to be tightly attached to the surface of the piston rod body, so that oil can not leak in the working process of the piston rod body, the piston rod is frequently lubricated when being used for sitting for a long time instead of the existing piston rod, and lubricating oil is easily brought out to leak in the moving process, so that the service life of the piston rod is prolonged.

2. According to the utility model, through the arrangement of the sliding groove, the sliding rod can move up and down in the sliding groove, and meanwhile, the limiting effect is achieved, and the phenomenon that the sliding rod is deviated in the moving process is avoided.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a cross-sectional view of the retaining ring structure of FIG. 1 in accordance with the present utility model;

FIG. 3 is a perspective view of the arcuate plate of FIG. 2 in accordance with the present utility model;

fig. 4 is a right side view of the rotor structure of fig. 2 according to the present utility model.

In the figure: 1. a base; 2. a piston rod body; 3. a fixing ring; 4. a rotating wheel; 5. a slide bar; 6. an arc-shaped plate; 7. a rubber ring; 8. a chute; 9. an anti-skid block; 10. an elliptical groove; 11. an opening.

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. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1 to 4, the anti-leakage piston rod provided by the utility model comprises a base 1, a piston rod body 2 is fixedly connected to the right side of the base 1, a fixed ring 3 is sleeved on the surface of the piston rod body 2, the top and the bottom of the fixed ring 3 are movably connected with a rotating wheel 4 through a bearing seat, the bottom of the rotating wheel 4 penetrates into the fixed ring 3, the front end and the back end of the inner wall of the fixed ring 3 are slidably connected with a sliding rod 5, the back end of the sliding rod 5 is slidably connected with the surface of the rotating wheel 4, an arc plate 6 is fixedly connected to the bottom of the sliding rod 5, a rubber ring 7 is fixedly connected to the front end and the back end of the inner wall of the fixed ring 3 in a sleeved mode on the surface of the piston rod body 2, and the inner side of the arc plate 6 is in contact with the surface of the rubber ring 7.

Referring to fig. 2, the front end and the back end of the inner wall of the fixed ring 3 are both provided with a sliding groove 8, and the length of the sliding groove 8 is longer than the moving distance of the sliding rod 5.

As a technical optimization scheme of the utility model, through the arrangement of the sliding groove 8, the sliding rod 5 can move up and down in the sliding groove 8, and meanwhile, the limiting effect is achieved, and the phenomenon that the sliding rod 5 is deviated in the moving process is avoided.

Referring to fig. 2, the top and the bottom of the surface of the rotating wheel 4 are fixedly connected with a plurality of anti-skid blocks 9, and the anti-skid blocks 9 are uniformly distributed.

As a technical optimization scheme of the utility model, the runner 4 can be assisted to work through the arrangement of the anti-skid blocks 9, and meanwhile, the friction increasing effect is achieved, and the phenomenon that the runner 4 slips in the rotating process is avoided.

Referring to fig. 4, an elliptical groove 10 is formed on the surface of the rotating wheel 4 and corresponds to the position of the sliding rod 5, and the elliptical groove 10 is matched with the sliding rod 5 for use.

As a technical optimization scheme of the utility model, the elliptical groove 10 can assist the sliding rod 5 to work, and plays a limiting role at the same time, so that the phenomenon that the sliding rod 5 is separated in the moving process is avoided.

Referring to fig. 2, openings 11 are formed at positions corresponding to the piston rod body 2 on the left and right sides of the fixing ring 3, and the width of the openings 11 is greater than that of the piston rod body 2.

As a technical optimization scheme of the utility model, through the arrangement of the opening 11, the piston rod body 2 can completely and mechanically drive through the opening 11, and the phenomenon that the piston rod body 2 is blocked at the opening 11 due to the too narrow width of the opening 11 is avoided.

Referring to fig. 2, the diameter of the arc plate 6 is larger than that of the rubber ring 7, and the arc plate 6 is matched with the slide rod 5.

As a technical optimization scheme of the utility model, the rubber ring 7 can be assisted to work through the arrangement of the arc-shaped plate 6, and meanwhile, the clamping effect is achieved, and the phenomenon that the rubber ring 7 is loosened on the surface of the piston rod body 2 is avoided.

The working principle and the using flow of the utility model are as follows: when the oil cylinder is used, the piston rod body 2 reciprocates, the manual rotating wheel 4 rotates, the rotating wheel 4 rotates to match with the elliptical groove 10 to rotate to change the diameter so as to force the sliding rod 5 to move downwards, the sliding rod 5 matches with the sliding groove 8 to move downwards, the sliding rod 5 moves downwards to drive the arc plate 6 to move downwards, and the arc plate 6 moves downwards to clamp and fix the rubber ring 7 so that the rubber ring 7 is tightly attached to the piston rod body 2, and oil is prevented from being carried out by the movement of the piston rod body 2.

To sum up: this leak protection piston rod uses through base 1, piston rod body 2, solid fixed ring 3, runner 4, slide bar 5, arc 6 and rubber circle 7 cooperation, has solved current piston rod and has been sitting piston motion for a long time and need often lubricate it, also brings the problem that leaks to lubricating oil in the motion process easily.

It is noted that relational terms such as first and second, and the like are 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. Moreover, 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 utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a leak protection piston rod, includes base (1), its characterized in that: the right side fixedly connected with piston body of rod (2) of base (1), fixed ring (3) have been cup jointed to the fixed surface of piston body of rod (2), the top and the bottom of fixed ring (3) are all through bearing frame swing joint has runner (4), the bottom of runner (4) runs through to the inside of fixed ring (3), the front end and the equal sliding connection of back end of fixed ring (3) inner wall have slide bar (5), the back of slide bar (5) with the surface sliding connection of runner (4), the bottom fixedly connected with arc (6) of slide bar (5), the front end and the back of fixed ring (3) inner wall just cup joint at the fixed surface of piston body of rod (2) be connected with rubber circle (7), the inboard of arc (6) and the surface contact of rubber circle (7).

2. A leak resistant piston rod as defined in claim 1 wherein: the front end and the back end of the inner wall of the fixed ring (3) are both provided with sliding grooves (8), and the length of each sliding groove (8) is longer than the moving distance of the sliding rod (5).

3. A leak resistant piston rod as defined in claim 1 wherein: the top and the bottom on runner (4) surface are all fixedly connected with non slipping spur (9), the quantity of non slipping spur (9) is a plurality of, and evenly distributed.

4. A leak resistant piston rod as defined in claim 1 wherein: an elliptical groove (10) is formed in the surface of the rotating wheel (4) and corresponds to the sliding rod (5), and the elliptical groove (10) is matched with the sliding rod (5).

5. A leak resistant piston rod as defined in claim 1 wherein: the left side and the right side of the fixed ring (3) are provided with openings (11) corresponding to the positions of the piston rod bodies (2), and the width of the openings (11) is larger than that of the piston rod bodies (2).

6. A leak resistant piston rod as defined in claim 1 wherein: the diameter of the arc-shaped plate (6) is larger than that of the rubber ring (7), and the arc-shaped plate (6) is matched with the sliding rod (5).