CN217842649U

CN217842649U - Lip seal spare that possesses dustproof and waterproof effect

Info

Publication number: CN217842649U
Application number: CN202221880241.6U
Authority: CN
Inventors: 栾晓萍
Original assignee: Nanjing Harold Hydraulic Fluid Technology Co ltd
Current assignee: Nanjing Harold Hydraulic Fluid Technology Co ltd
Priority date: 2022-07-20
Filing date: 2022-07-20
Publication date: 2022-11-18
Anticipated expiration: 2032-07-20

Abstract

The utility model belongs to the technical field of the sealing member, especially, be a lip sealing member that possesses dustproof and waterproof effect, including first circle body, the upper portion of first circle body is provided with first outer lane, the lower part of first circle body is provided with first inner circle, first outer lane is provided with first recess with the centre of first inner circle, the inside of first recess is provided with first spring, the surface of first spring is provided with first protective sheath, the inside of first circle body is provided with first elastic element, the back of first circle body is provided with the spout, the inside of spout is provided with the slider, the back of slider is provided with the second circle body, the upper portion of second circle body is provided with the second outer lane, the lower part of second circle body is provided with the second inner circle. The utility model discloses a spout, slider, first protective sheath, second protective sheath, first elastic element, second elastic element can reach functional strong, spring long service life and the effectual advantage of elasticity.

Description

Lip seal spare that possesses dustproof and waterproof effect

Technical Field

The utility model relates to a sealing member equipment technical field specifically is a lip sealing member that possesses dustproof and waterproof effect.

Background

The lip-shaped sealing ring is widely applied to various industries as a common mechanical part, mainly plays a role in preventing lubricant from leaking and preventing pollutants from entering, and is sealed by enabling a lip edge to be tightly attached to a sealing surface through deformation of the lip edge under the action of hydraulic pressure. The higher the hydraulic pressure is, the tighter the lip edge is attached to the sealing surface, and the lip edge has certain automatic compensation capability after being worn. The sealing ring is commonly used for reciprocating dynamic sealing, and common Y-shaped and V-shaped sealing rings require that the leakage rate of a hydraulic sealing part is extremely small, so that the sealing ring has a good sealing effect.

The prior art has the following problems:

1. the existing lip-shaped sealing element can only be used on a single side and used on double sides but not switched between the single side and the double sides, so that the applicability is not strong, the function is single, and the utilization rate is not strong;

2. the elastic element in the existing lip-shaped sealing element is not provided with a protection measure for a long time and can be corroded to cause insufficient elasticity, and the elasticity of the elastic element cannot be ensured after the elastic element is only provided with one elastic element and not provided with an elastic compensation element to cause the elastic effect of the elastic element to be reduced.

SUMMERY OF THE UTILITY MODEL

The utility model provides a lip seal that possesses dustproof and waterproof effect, solved the single two-sided switching use that exists today, do not have elastic component safeguard measure and only be provided with one elastic component problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a lip sealing member that possesses dustproof and waterproof effect, includes first circle body, the upper portion of first circle body is provided with first outer lane, the lower part of first circle body is provided with first inner circle, the centre of first outer lane and first inner circle is provided with first recess, the inside of first recess is provided with first spring, the surface of first spring is provided with first protective sheath, the inside of first circle body is provided with first elastic element, the back of first circle body is provided with the spout, the inside of spout is provided with the slider, the back of slider is provided with the second circle body, the upper portion of second circle body is provided with the second outer lane, the lower part of second circle body is provided with the second inner circle, the centre of second outer lane and second inner circle is provided with the second recess, the inside of second recess is provided with the second spring, the surface of second spring is provided with the second protective sheath, the inside of second circle body is provided with second elastic element.

As an optimal technical scheme of the utility model, first recess and second recess are the annular groove, first spring and second spring are the annular coil spring of circle.

As a preferred technical scheme of the utility model, first outer lane and first inner circle and first circle body fixed connection, second outer lane and second inner circle and second circle body fixed connection, first outer lane, first inner circle, second outer lane, second inner circle, first circle body and second circle body are made by high molecular polymer.

As an optimized technical scheme of the utility model, first circle body passes through slider and spout sliding connection with the second circle body.

As a preferred technical scheme of the utility model, first protective sheath sets up in the inside of first recess and second recess with the second protective sheath is fixed.

As a preferred technical scheme of the utility model, first spring sets up the inside of first protective sheath and second protective sheath with the second spring is fixed.

As an optimized technical solution of the present invention, the first elastic element and the second elastic element are fixedly disposed inside the first ring body and the second ring body, and the first elastic element and the second elastic element are made of elastic metal and are in a circular ring shape connected end to end.

Compared with the prior art, the utility model provides a lip seal spare that possesses dustproof and waterproof effect possesses following beneficial effect:

1. this lip sealing member that possesses dustproof and waterproof effect only needs to use single lip sealing member when needs the single face use, can use spout and slider to couple it just can two-sided use when needs two-sided use, has increased its functionality and practicality and simple structure convenient to use.

2. This lip sealing member that possesses dustproof and waterproof effect, first spring in the sealing member can be corroded by the environment and cause its elasticity not enough with the second spring in permanent use, is provided with first protective sheath and second protective sheath in its outside and protects it and do not corrode increase of service life by the environment, and first elastic element and second elastic element give elastic compensation and make it have sufficient elasticity to seal under the circumstances that first spring and second spring elasticity are not enough.

Drawings

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

FIG. 2 is a schematic sectional view of the present invention;

FIG. 3 is a schematic view of the overall structure of the present invention;

fig. 4 is a schematic view of the spring structure of the present invention.

In the figure: 1. a first ring body; 2. a first outer race; 3. a first inner race; 4. a first groove; 5. a first spring; 6. a first protective sheath; 7. a first elastic element; 8. a chute; 9. a slider; 10. a second ring body; 11. a second outer race; 12. a second inner race; 13. a second groove; 14. a second spring; 15. a second protective cover; 16. a second elastic element.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely 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.

Referring to fig. 1-4, in this embodiment: a lip-shaped sealing element with dustproof and waterproof effects comprises a first ring body 1, wherein a first outer ring 2 is arranged on the upper portion of the first ring body 1, a first inner ring 3 is arranged on the lower portion of the first ring body 1, a first groove 4 is formed between the first outer ring 2 and the first inner ring 3, a first spring 5 is arranged inside the first groove 4, a first protective sleeve 6 is arranged on the outer surface of the first spring 5, a first elastic element 7 is arranged inside the first ring body 1, a sliding groove 8 is arranged on the back surface of the first ring body 1, a sliding block 9 is arranged inside the sliding groove 8, a second ring body 10 is arranged on the back surface of the sliding block 9, a second outer ring 11 is arranged on the upper portion of the second ring body 10, a second inner ring 12 is arranged on the lower portion of the second ring body 10, a second groove 13 is arranged between the second outer ring 11 and the second inner ring 12, a second spring 14 is arranged inside the second groove 13, a second protective sleeve 15 is arranged on the outer surface of the second spring 14, and a second elastic element 16 is arranged inside the second ring body 10.

In this embodiment: the first groove 4 and the second groove 13 are both annular grooves, and the first spring 5 and the second spring 14 are both annular spiral springs; the first outer ring 2, the first inner ring 3 and the first ring body 1 are fixedly connected, the second outer ring 11, the second inner ring 12 and the second ring body 10 are fixedly connected, and the first outer ring 2, the first inner ring 3, the second outer ring 11, the second inner ring 12, the first ring body 1 and the second ring body 10 are all made of high molecular polymers which enable the waterproof and dustproof effects to be better; the first ring body 1 and the second ring body 10 are connected with the sliding chute 8 through the sliding block 9 in a sliding manner, and the first ring body 1 and the second ring body 10 can be assembled and disassembled by utilizing the sliding chute 8 and the sliding block 9; the first protective sleeve 6 and the second protective sleeve 15 are fixedly arranged in the first groove 4 and the second groove 13; the first spring 5 and the second spring 14 are fixedly arranged inside the first protection sleeve 6 and the second protection sleeve 15, the arrangement of the first spring 5 and the second spring 14 can provide elasticity for a sealing element to enable the sealing effect of the sealing element to be better, and the arrangement of the first protection sleeve 6 and the second protection sleeve 15 can protect the first spring 5 and the second spring 14 and prolong the service life of the sealing element; the first elastic element 7 and the second elastic element 16 are fixedly arranged inside the first ring body 1 and the second ring body 10, the arrangement of the first elastic element 7 and the second elastic element 16 can provide elastic compensation for a sealing member, and the first elastic element 7 and the second elastic element 16 are circular rings made of elastic metal and connected end to end.

The utility model discloses a theory of operation and use flow: an operator installs the first outer ring 2 and the first inner ring 3 on the first ring body 1 on a using device to be tightly attached to two sealing surfaces of the using device under the elastic force action of the first spring 5 and the first elastic element 7, when the using device needs double-sided sealing, the sliding block 9 is plugged into the sliding groove 8 to realize double-sided sealing, the first protective sleeve 6 and the second protective sleeve 15 can protect the first spring 5 and the second spring 14 from corrosion in the using process, and the first elastic element 7 and the second elastic element 16 give elastic compensation to enable the first elastic element and the second elastic element to have enough elastic force to carry out sealing under the condition that the elastic force of the first spring 5 and the second spring 14 is insufficient and effective sealing cannot be realized.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a lip seal that possesses dustproof and waterproof effect which characterized in that: the spring type spring ring comprises a first ring body (1), wherein a first outer ring (2) is arranged on the upper portion of the first ring body (1), a first inner ring (3) is arranged on the lower portion of the first ring body (1), a first groove (4) is formed in the middle of the first outer ring (2) and the first inner ring (3), a first spring (5) is arranged inside the first groove (4), a first protective sleeve (6) is arranged on the outer surface of the first spring (5), a first elastic element (7) is arranged inside the first ring body (1), a sliding groove (8) is formed in the back face of the first ring body (1), a sliding block (9) is arranged inside the sliding groove (8), a second ring body (10) is arranged on the back face of the sliding block (9), a second outer ring (11) is arranged on the upper portion of the second ring body (10), a second inner ring (12) is arranged on the lower portion of the second ring body (10), a second groove (13) is arranged in the middle of the second ring body (11) and a second inner ring (12), and a second protective sleeve (16) is arranged on the outer surface of the second spring (14).

2. The lip seal with dustproof and waterproof effects according to claim 1, wherein: the first groove (4) and the second groove (13) are both annular grooves, and the first spring (5) and the second spring (14) are both annular spiral springs.

3. The lip seal having a dustproof and waterproof effect according to claim 1, wherein: the first outer ring (2), the first inner ring (3) and the first ring body (1) are fixedly connected, the second outer ring (11), the second inner ring (12) and the second ring body (10) are fixedly connected, and the first outer ring (2), the first inner ring (3), the second outer ring (11), the second inner ring (12), the first ring body (1) and the second ring body (10) are all made of high polymer.

4. The lip seal having a dustproof and waterproof effect according to claim 1, wherein: the first ring body (1) and the second ring body (10) are connected with the sliding groove (8) in a sliding mode through the sliding block (9).

5. The lip seal with dustproof and waterproof effects according to claim 1, wherein: the first protective sleeve (6) and the second protective sleeve (15) are respectively fixedly arranged in the first groove (4) and the second groove (13).

6. The lip seal with dustproof and waterproof effects according to claim 1, wherein: the first spring (5) and the second spring (14) are respectively fixedly arranged in the first protective sleeve (6) and the second protective sleeve (15).

7. The lip seal with dustproof and waterproof effects according to claim 1, wherein: the first elastic element (7) and the second elastic element (16) are fixedly arranged inside the first ring body (1) and the second ring body (10), and the first elastic element (7) and the second elastic element (16) are circular rings which are made of elastic metal and are connected end to end.