CN220118432U

CN220118432U - Cylinder piston

Info

Publication number: CN220118432U
Application number: CN202321158841.6U
Authority: CN
Inventors: 任谦; 张洲飞; 冯嘉敏
Original assignee: Xi'an Yuanhang Testing Equipment Co ltd
Current assignee: Xi'an Yuanhang Testing Equipment Co ltd
Priority date: 2023-05-15
Filing date: 2023-05-15
Publication date: 2023-12-01
Anticipated expiration: 2033-05-15

Abstract

The utility model discloses a cylinder piston, which comprises a piston body and sealing lips, wherein the sealing lips are fixedly connected to two sides of the surface of the piston body, rubber fixing frames are fixedly arranged on the front sides of the two sides of the piston body and the front side of the inner wall of the sealing lips, the rubber fixing frames are distributed in an annular equidistant manner, elastic metal frames are arranged on the front sides of the two sides of the piston body, the elastic metal frames are distributed in an annular equidistant manner, and the elastic metal frames are movably connected with the rubber fixing frames. According to the utility model, the elastic metal frame is arranged, so that the elastic metal frame can ensure the rebound of the sealing lip, the aging phenomenon caused by long-time use of the sealing lip is solved, the sealing lip cannot be effectively attached to the cylinder body, the integral tightness is affected, and the auxiliary support is provided.

Description

Cylinder piston

Technical Field

The utility model relates to the technical field of pistons, in particular to a cylinder piston.

Background

The cylinder is a pneumatic actuator, and a common cylinder on the market comprises a cylinder body, a piston rod and the like, wherein the performance of the piston of the cylinder is the core of the whole cylinder. The piston is a widely used annular seal.

For example, application number CN201721210606.3 discloses a cylinder piston, which comprises a framework and a rubber sealing body, wherein the rubber sealing body and the axis of the framework are respectively provided with the same round hole, the rubber sealing body is provided with a groove at the round hole, and a piston ring which can be matched with a cylinder piston rod is embedded in the groove; sealing lip end face structures capable of being matched with the cylinder body are arranged on two sides of the rubber sealing body, and the part, which is abutted against the cylinder body, of each sealing lip end face structure forms linear seal with the cylinder body; an annular groove is formed in one side, away from the axis, of the rubber sealing body, the annular groove is located between the two sealing lip end face structures, and a lubricating grease layer or a sealing ring is arranged in the annular groove. The utility model has the following beneficial effects: the cylinder piston can solve the problem of poor sealing performance of the existing cylinder piston.

Based on the searching of the patent and the discovery of the equipment in the prior art, the equipment can solve the problem that the sealing performance is poor because the existing sealing lips are mostly simple sheet lips when in use, but the aging phenomenon can occur when the sealing lips are used for a long time, so that the sealing lips cannot be effectively attached to a cylinder body, and the overall sealing performance is affected.

Disclosure of Invention

In order to solve the problems in the prior art, the utility model aims to provide a cylinder piston, which has the advantage of auxiliary support, and solves the problem that the aging phenomenon occurs when a sealing lip is used for a long time, so that the sealing lip cannot be effectively attached to a cylinder body, and the overall tightness is affected.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a cylinder piston, includes piston body and seal lip, seal lip fixed connection is in the both sides on piston body surface, the front side of piston body both sides and the front side of seal lip inner wall all fixed mounting have rubber mount, rubber mount is provided with a plurality of and is annular equidistance and distributes, the front side of piston body both sides all is provided with the elastic metal frame, the elastic metal frame is provided with a plurality of and is annular equidistance and distributes, elastic metal frame and rubber mount swing joint.

As preferable mode of the utility model, the two ends of the elastic metal frame are provided with round balls, and the round balls are movably connected with the piston body and the sealing lip.

As the preferable mode of the utility model, the two ends of the elastic metal frame are fixedly connected with metal threaded rods, one side of the ball, which is close to the elastic metal frame, is provided with a thread groove, and the metal threaded rods are in threaded connection with the ball through the thread groove.

As the preferable mode of the utility model, one side of the inner wall of the thread groove far away from the elastic metal frame is fixedly inlaid with a permanent magnet, and the permanent magnet is magnetically adsorbed with the metal threaded rod.

As preferable in the utility model, the surface of the elastic metal frame is provided with a rubber protecting sleeve, one side of the rubber protecting sleeve, which is close to the piston body, is adhered to the piston body, and one side of the rubber protecting sleeve, which is close to the sealing lip, is adhered to the sealing lip.

Preferably, the elastic metal frame is L-shaped, and the elastic metal frame is made of low manganese spring steel.

Preferably, the diameter of the ball is larger than the diameter of the opening inside the rubber fixing frame.

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

1. according to the utility model, the elastic metal frame is arranged, so that the elastic metal frame can ensure the rebound of the sealing lip, the aging phenomenon caused by long-time use of the sealing lip is solved, the sealing lip cannot be effectively attached to the cylinder body, the integral tightness is affected, and the auxiliary support is provided.

2. According to the utility model, the round balls are arranged, so that the two ends of the elastic metal frame can be protected, the damage to the sealing lip or the piston body caused by the two ends of the elastic metal frame is avoided, and the metal threaded rod and the threaded groove are arranged, so that the round balls can be conveniently arranged at the two ends of the elastic metal frame by the cooperation of the metal threaded rod and the threaded groove, thereby facilitating the installation and the disassembly of the elastic metal frame by a user.

3. According to the utility model, the permanent magnet is arranged, so that the permanent magnet can be used for adsorbing the metal threaded rod, the ball is more attached to the metal threaded rod, the loosening phenomenon can not occur, and the rubber protective sleeve is arranged, so that the elastic metal frame can be protected by the rubber protective sleeve, and the surface of the elastic metal frame is prevented from being damaged.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic view of the three-dimensional structure of the elastic metal frame of the present utility model;

fig. 3 is a schematic view of a perspective explosion of the elastic metal frame of the present utility model.

In the figure: 1. a piston body; 2. a sealing lip; 3. a rubber fixing frame; 4. an elastic metal frame; 5. a ball; 6. a metal threaded rod; 7. a thread groove; 8. a permanent magnet; 9. rubber protective sleeves.

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 3, the cylinder piston provided by the utility model comprises a piston body 1 and a sealing lip 2, wherein the sealing lip 2 is fixedly connected to two sides of the surface of the piston body 1, rubber fixing frames 3 are fixedly arranged on the front sides of the two sides of the piston body 1 and the front side of the inner wall of the sealing lip 2, the rubber fixing frames 3 are distributed in an annular equidistant manner, elastic metal frames 4 are arranged on the front sides of the two sides of the piston body 1, the elastic metal frames 4 are distributed in an annular equidistant manner, and the elastic metal frames 4 are movably connected with the rubber fixing frames 3.

Referring to fig. 3, the elastic metal frame 4 is provided at both ends with a ball 5, and the ball 5 is movably connected with the piston body 1 and the sealing lip 2.

As a technical optimization scheme of the utility model, by arranging the round ball 5, the use of the round ball 5 can protect the two ends of the elastic metal frame 4, and the damage to the sealing lip 2 or the piston body 1 caused by the two ends of the elastic metal frame 4 is avoided.

Referring to fig. 3, both ends of the elastic metal frame 4 are fixedly connected with a metal threaded rod 6, a thread groove 7 is formed on one side of the ball 5, which is close to the elastic metal frame 4, and the metal threaded rod 6 is in threaded connection with the ball 5 through the thread groove 7.

As a technical optimization scheme of the utility model, through arranging the metal threaded rod 6 and the thread groove 7, the matching use of the metal threaded rod 6 and the thread groove 7 can facilitate the installation of the round ball 5 at the two ends of the elastic metal frame 4 by a user, thereby facilitating the installation and the disassembly of the elastic metal frame 4 by the user.

Referring to fig. 3, a permanent magnet 8 is fixedly embedded in one side of the inner wall of the thread groove 7 far away from the elastic metal frame 4, and the permanent magnet 8 is magnetically adsorbed with the metal threaded rod 6.

As a technical optimization scheme of the utility model, through arranging the permanent magnet 8, the use of the permanent magnet 8 can adsorb the metal threaded rod 6, so that the ball 5 is more attached to the metal threaded rod 6, and the loosening phenomenon can not occur.

Referring to fig. 1, a rubber protection sleeve 9 is arranged on the surface of the elastic metal frame 4, one side of the rubber protection sleeve 9, which is close to the piston body 1, is adhered to the piston body 1, and one side of the rubber protection sleeve 9, which is close to the sealing lip 2, is adhered to the sealing lip 2.

As a technical optimization scheme of the utility model, the rubber protective sleeve 9 is arranged, so that the elastic metal frame 4 can be protected by the rubber protective sleeve 9, and the surface of the elastic metal frame 4 is prevented from being damaged.

Referring to fig. 2, the elastic metal frame 4 is provided in an L shape, and the elastic metal frame 4 is made of low manganese spring steel.

As a technical optimization scheme of the utility model, the supporting property of the elastic metal frame 4 can be ensured by arranging the elastic metal frame 4 in an L shape, and meanwhile, the elastic metal frame 4 has higher elastic limit and fatigue limit by using low manganese spring steel materials.

Referring to fig. 3, the diameter of the ball 5 is larger than the diameter of the inner opening of the rubber mount 3.

As a technical optimization scheme of the utility model, by arranging the ball 5 with the diameter larger than the diameter of the inner opening of the rubber fixing frame 3, the ball 5 is arranged on the elastic metal frame 4 and cannot be separated from the rubber fixing frame 3, so that the stability of the elastic metal frame 4 in use is ensured.

The working principle and the using flow of the utility model are as follows: when the sealing device is used, the two ends of the elastic metal frame 4 are inserted into the rubber fixing frame 3, then the round ball 5 is sleeved on the metal threaded rod 6, and then the round ball 5 is rotated, so that the round ball 5 is in threaded connection with the metal threaded rod 6 through the thread groove 7, the permanent magnet 8 can be adsorbed with the metal threaded rod 6, the L-shaped elastic metal frame 4 can support the sealing lip 2, the sealing lip 2 can be tightly attached to the inner wall of the cylinder body, and the auxiliary supporting effect is achieved.

To sum up: this kind of cylinder piston through setting up elastic metal frame 4, makes elastic metal frame 4 can guarantee the resilience of sealing lip 2, has solved the phenomenon that will appear ageing when sealing lip uses for a long time, and the sealing lip that makes can not effectually laminate with the cylinder body to influence the problem of whole leakproofness.

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

1. A cylinder piston comprising a piston body (1) and a sealing lip (2), characterized in that: sealing lip (2) fixed connection is in the both sides on piston body (1) surface, the front side of piston body (1) both sides and the front side of sealing lip (2) inner wall are all fixed mounting have rubber mount (3), rubber mount (3) are provided with a plurality of and are annular equidistance and distribute, the front side of piston body (1) both sides all is provided with elastic metal frame (4), elastic metal frame (4) are provided with a plurality of and are annular equidistance and distribute, elastic metal frame (4) and rubber mount (3) swing joint.

2. A cylinder piston as set forth in claim 1 wherein: the two ends of the elastic metal frame (4) are respectively provided with a ball (5), and the balls (5) are movably connected with the piston body (1) and the sealing lip (2).

3. A cylinder piston as claimed in claim 2, wherein: the two ends of the elastic metal frame (4) are fixedly connected with metal threaded rods (6), a thread groove (7) is formed in one side, close to the elastic metal frame (4), of each round ball (5), and the metal threaded rods (6) are in threaded connection with the round balls (5) through the thread groove (7).

4. A cylinder piston according to claim 3, wherein: permanent magnets (8) are fixedly inlaid on one side, far away from the elastic metal frame (4), of the inner wall of the thread groove (7), and the permanent magnets (8) and the metal threaded rod (6) are magnetically adsorbed.

5. A cylinder piston as set forth in claim 1 wherein: the surface of the elastic metal frame (4) is provided with a rubber protective sleeve (9), one side of the rubber protective sleeve (9) close to the piston body (1) is adhered to the piston body (1), and one side of the rubber protective sleeve (9) close to the sealing lip (2) is adhered to the sealing lip (2).

6. A cylinder piston as set forth in claim 1 wherein: the elastic metal frame (4) is L-shaped, and the elastic metal frame (4) is made of low manganese spring steel.

7. A cylinder piston as claimed in claim 2, wherein: the diameter of the ball (5) is larger than the diameter of the opening inside the rubber fixing frame (3).