CN218152329U

CN218152329U - Impact-resistant polytetrafluoroethylene hydraulic sealing element structure

Info

Publication number: CN218152329U
Application number: CN202221838428.XU
Authority: CN
Inventors: 刘飞; 耿惠珍
Original assignee: Yangzhong City Yonggong Seal Co ltd
Current assignee: Yangzhong City Yonggong Seal Co ltd
Priority date: 2022-07-18
Filing date: 2022-07-18
Publication date: 2022-12-27
Anticipated expiration: 2032-07-18

Abstract

The utility model relates to the technical field of hydraulic sealing elements, and discloses an impact-resistant polytetrafluoroethylene hydraulic sealing element structure, which solves the problem that the prior sealing ring is easy to be damaged when being impacted by external strong force, and comprises a sealing cylinder, wherein an inner cylinder is fixedly arranged at the inner side of the sealing cylinder, a sealing mechanism is arranged at the inner side of the inner cylinder, the sealing mechanism comprises a first sealing ring fixedly connected with the inner cylinder, and side rings are fixedly arranged at both sides of the first sealing ring; the utility model discloses, through the cooperation between inner ring and spring and movable rod and the side ring, when the sealing washer receives powerful impact, make then the spring of both sides remove to make the movable rod flexible, absorb some power through the elastic effect of movable rod simultaneously, thereby cushion the sealing washer one, thereby avoid the sealing washer one to receive powerful impact damage often.

Description

Impact-resistant polytetrafluoroethylene hydraulic sealing element structure

Technical Field

The utility model belongs to the technical field of hydraulic pressure sealing member, specifically be an impact-resistant type polytetrafluoroethylene hydraulic pressure sealing member structure.

Background

The sealing is one of effective means for solving the leakage problem of the hydraulic system, and when the sealing of the hydraulic system is not good, the environment is polluted due to external leakage; air also enters the hydraulic system to influence the working performance of the hydraulic pump and the stability of the movement of a hydraulic actuating element, and the sealing requirement of the hydraulic system is higher and higher along with the improvement of the technology and the improvement of the equipment performance.

A general hydraulic seal is generally formed only by a simple seal ring, but the existing seal ring is not strong enough, and the seal ring is easily damaged when being subjected to external strong impact, so that the sealing effect of the seal ring is easily reduced.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned condition, for overcoming prior art's defect, the utility model provides a shock-resistant type polytetrafluoroethylene hydraulic seal spare structure, the effectual easy problem of damaging when having solved present sealing washer and having received external powerful impact.

In order to achieve the above purpose, the utility model provides a following technical scheme: an impact-resistant polytetrafluoroethylene hydraulic sealing element structure comprises a sealing cylinder, wherein an inner cylinder is fixedly mounted on the inner side of the sealing cylinder, and a sealing mechanism is mounted on the inner side of the inner cylinder;

the sealing mechanism comprises a first sealing ring fixedly connected with the inner cylinder, and side rings are fixedly mounted on two sides of the first sealing ring.

Preferably, the inner rings are installed on the sides, away from each other, of the two side rings, the sealing rings II are fixedly installed on the inner sides of the two inner rings, and the outer sides of the two inner rings are fixedly connected with the inner side of the inner cylinder.

Preferably, the second sealing ring and the first sealing ring are both made of polytetrafluoroethylene materials.

Preferably, a spring is movably arranged on one side of the inner ring at an equal angle, and one end of the spring is fixedly connected with the side ring.

Preferably, a movable rod is connected between the inner ring and the side ring, and the movable rod is movably sleeved with the spring.

Preferably, the inner diameter values of the side ring and the first two sealing rings are the same.

Preferably, the outer diameter value of the inner cylinder is equal to the inner diameter value of the sealing cylinder, the outer diameter values of the first sealing ring and the two inner rings are the same, and the outer diameter values of the first sealing ring and the two inner rings are equal to the inner diameter value of the inner cylinder.

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

(1) The utility model discloses, through the cooperation between inner ring and spring and movable rod and the side ring, when the sealing washer receives the powerful impact, then make the spring of both sides remove to make the movable rod flexible, absorb some power through the elastic effect of movable rod simultaneously, thereby cushion sealing washer one, thereby avoid sealing washer one to receive the powerful impact damage often;

(2) The novel two sides of the first sealing ring are provided with inner rings, and the inner sides of the two inner rings are provided with the second sealing ring, so that the sealing effect of the whole hydraulic sealing element is improved under the action of the first sealing ring and the second sealing ring.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

In the drawings:

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

FIG. 2 is a schematic structural view of the sealing mechanism of the present invention;

FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2 according to the present invention;

in the figure: 1. a sealing cylinder; 2. an inner barrel; 3. a sealing mechanism; 301. a first sealing ring; 302. an inner ring; 303. a second sealing ring; 304. a side ring; 305. a movable rod; 306. a spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the 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 first embodiment, as shown in fig. 1 to 3, the present invention includes a sealing cylinder 1, an inner cylinder 2 is fixedly installed at the inner side of the sealing cylinder 1, and a sealing mechanism 3 is installed at the inner side of the inner cylinder 2.

In a second embodiment, on the basis of the first embodiment, the sealing mechanism 3 includes a first sealing ring 301 fixedly connected to the inner cylinder 2, side rings 304 are fixedly mounted on both sides of the first sealing ring 301, inner rings 302 are mounted on the sides, away from each other, of the two side rings 304, a second sealing ring 303 is fixedly mounted on the inner sides of the two inner rings 302, the outer sides of the two inner rings 302 are fixedly connected to the inner side of the inner cylinder 2, the second sealing ring 303 and the first sealing ring 301 are made of polytetrafluoroethylene materials, the inner diameter values of the first sealing ring 301 and the two second sealing rings 303 are the same, the outer diameter value of the inner cylinder 2 is equal to the inner diameter value of the sealing cylinder 1, the outer diameter values of the first sealing ring 301 and the two inner rings 302 are the same, and the outer diameter values of the first sealing ring 301 and the two inner rings 302 are equal to the inner diameter value of the inner cylinder 2;

a first sealing ring 301 and two inner rings 302 are arranged on the inner side of the inner barrel 2, the number of sealing elements is increased, the sealing effect is improved, and the phenomenon that one sealing element is damaged to cause the loss of sealing performance is avoided.

In the third embodiment, on the basis of the first embodiment, a spring 306 is movably mounted at an equal angle on one side of the inner ring 302, one end of the spring 306 is fixedly connected with the side ring 304, a movable rod 305 is connected between the inner ring 302 and the side ring 304, and the movable rod 305 is movably sleeved with the spring 306;

firstly, when the first sealing ring 301 is impacted by external strong force, the first sealing ring 301 deforms and drives the two side rings 304 to move, the two springs 306 are driven to move, meanwhile, the movable rods 305 on the two sides stretch and retract, the elastic action of the movable rods 305 is used for absorbing force, and finally the first sealing ring 301 is buffered, so that the first sealing ring 301 is prevented from being damaged by the strong impact.

The working principle is as follows: when using, at first when sealing washer 301 receives external powerful impact, sealing washer 301 warp this moment and drives the removal of two side rings 304, drive the removal of two springs 306 this moment, the movable rod 305 of both sides is flexible simultaneously, and absorb power through the elastic effect of movable rod 305, realize the buffering to sealing washer 301 at last, prevent that sealing washer 301 from receiving powerful impact and damaging, set up sealing washer 301 and two inner rings 302 in the inboard of inner tube 2 simultaneously, increase the quantity of sealing member, thereby improve sealed effect, avoid one of them sealing member to damage and make the leakproofness disappear.

Claims

1. The utility model provides an impact-resistant type polytetrafluoroethylene hydraulic seal structure, includes a sealed section of thick bamboo (1), its characterized in that: an inner cylinder (2) is fixedly arranged on the inner side of the sealing cylinder (1), and a sealing mechanism (3) is arranged on the inner side of the inner cylinder (2);

the sealing mechanism (3) comprises a first sealing ring (301) fixedly connected with the inner cylinder (2), and side rings (304) are fixedly mounted on two sides of the first sealing ring (301).

2. The structure of claim 1, wherein the impact resistant teflon hydraulic seal comprises: two inner ring (302) are all installed to the one side that the side ring (304) kept away from each other, and the inboard of two inner ring (302) is all fixed mounting has sealing washer two (303), the outside of two inner ring (302) all with the inboard fixed connection of inner tube (2).

3. The structure of claim 2, wherein: the second sealing ring (303) and the first sealing ring (301) are both made of polytetrafluoroethylene materials.

4. The structure of claim 2, wherein: a spring (306) is movably arranged on one side of the inner ring (302) at an equal angle, and one end of the spring (306) is fixedly connected with the side ring (304).

5. The impact resistant polytetrafluoroethylene hydraulic seal arrangement of claim 2, wherein: a movable rod (305) is connected between the inner ring (302) and the side ring (304), and the movable rod (305) is movably sleeved with a spring (306).

6. The structure of claim 1, wherein the impact resistant teflon hydraulic seal comprises: the inner diameter values of the side ring (304) and the two first sealing rings (301) are the same.

7. The structure of claim 1, wherein the impact resistant teflon hydraulic seal comprises: the outer diameter value of the inner cylinder (2) is equal to the inner diameter value of the sealing cylinder (1), the outer diameter values of the first sealing ring (301) and the two inner rings (302) are identical, and the outer diameter values of the first sealing ring (301) and the two inner rings (302) are equal to the inner diameter value of the inner cylinder (2).