CN217029939U - Lip-shaped sealing ring with self-rotating sealing ring - Google Patents

Abstract

The utility model discloses a lip-shaped sealing ring with a self-rotating sealing ring, and relates to the technical field of machinery. Including the sealing washer body, the sealing washer body constitutes a whole by outer lip, interior lip and connection end, is provided with the reinforcing ring of looks adaptation between outer lip and the interior lip, and the reinforcing ring constitutes a whole by outer lane piece, inner circle piece and adaptation end. According to the utility model, through the arrangement of the reinforcing ring and the supporting structure, the reinforcing ring is arranged on the sealing ring body through the first convex strip and the second convex strip, the outer lip and the inner lip are supported and reinforced, the supporting structure drives the fixing pipe and the connecting pipe and the sleeved pipe and the connecting rod to move relatively through the compression of the spring, and the reaction force of the spring plays a role of supporting the reinforcing ring again, so that when the sealing ring is used for requiring the rotation of the sealing ring, the lip diameter cannot be deformed and increased under the action of centrifugal force, a gap is not easily generated between the lip and the shaft neck, and the sealing effect of the sealing ring is better improved.

Description

Lip-shaped sealing ring with self-rotating sealing ring

Technical Field

The utility model relates to the technical field of machinery, in particular to a lip-shaped sealing ring with a self-rotating sealing ring.

Background

The lip-shaped sealing ring is fixed on the shaft neck of the rotating shaft by means of the holding tension of the lip-shaped sealing ring body to the shaft neck, and meanwhile, a sealing pair is formed by the winding performance of the lip portion and the pressing force of the lip portion to the sealing, so that water and impurities are prevented from entering the rotary lubricating sealing body in the operation process of equipment, and the requirement of protecting the normal operation of the rotary shaft lubricating sealing device is met.

The existing sealing ring under the rotating working condition generally adopts a rotating shaft lip-shaped sealing ring, when the rotating shaft lip-shaped sealing ring is used for requiring the sealing ring to rotate, the diameter of a lip is deformed and increased under the action of centrifugal force, a gap is easily generated between the lip and a shaft neck, and the sealing effect of the sealing ring is reduced, so that the utility model provides a novel solution.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a lip seal in which a seal ring is rotated, to solve the above problems in the related art.

In order to achieve the purpose, the utility model provides the following technical scheme: sealing washer self-rotation's lip sealing washer, including the sealing washer body, the sealing washer body is by the outer lip, constitute for a whole at the bottom of inner lip and the connection, be provided with the reinforcing ring of looks adaptation between outer lip and the inner lip, the reinforcing ring is by the outer lane piece, constitute for a whole at the bottom of inner circle piece and the adaptation, the circumference evenly is provided with a plurality of bearing structure between inner circle piece and the outer lane piece, bearing structure sets up the fixed block on inner circle piece and outer lane piece inner wall including the symmetry, be provided with fixed pipe on the one end fixed block, fixed pipe one end is inserted and is equipped with the connecting pipe, connecting pipe and fixed intraduct are provided with the spring, the inside one end of spring is provided with the cover and establishes the pipe, the cover is established pipe one end and is inserted and is equipped with the connecting rod.

Preferably, a plurality of connecting strips are evenly arranged on the outer wall of the outer lip, a plurality of connecting pieces are evenly arranged on the outer wall of the inner lip, and the connecting strips and the connecting pieces are made of rubber.

Preferably, the fixed block is fixed with the outer ring block and the inner ring block, and two ends of the spring are fixed with the fixed block.

Preferably, the inner wall of the outer lip is provided with a first groove, and the inner wall of the inner lip is provided with a second groove.

Preferably, the outer wall of the outer ring block is provided with a first convex strip matched with the first groove, and the outer wall of the inner ring block is provided with a second convex strip matched with the second groove.

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

this lip seal circle of sealing washer self rotation, setting through reinforcing ring and bearing structure, the reinforcing ring is installed on the sealing washer body through first sand grip and second sand grip, play the effect that supports the enhancement to outer lip and inner lip, bearing structure passes through the compression of spring and drives fixed pipe and connecting pipe and the relative movement of cover establishing pipe and connecting rod, the reaction force of spring has played the effect of support once more to the reinforcing ring, make this sealing washer be used when needing sealing washer self rotation, can not make lip diameter produce under the effect of centrifugal force and warp and increase, be difficult for making the lip and the axle journal produce the clearance, better improvement the sealed effect of this sealing washer.

In addition, through the arrangement of the connecting strip and the connecting sheet, the friction force of the sealing ring body is increased by the connecting strip and the connecting sheet, so that the sealing ring can be sealed more tightly, and the sealing performance of the sealing ring is better improved.

Drawings

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

FIG. 2 is a schematic perspective view of a reinforcing ring and support structure of the present invention;

FIG. 3 is a schematic perspective view of the seal ring body, the connecting strips and the connecting sheets of the present invention;

fig. 4 is a schematic three-dimensional splitting structure of the support structure of the present invention.

In the figure: 1. a seal ring body; 101. an outer lip; 102. an inner lip; 103. a connecting strip; 104. connecting sheets; 105. a first groove; 106. a second groove; 2. a reinforcing ring; 201. an outer ring block; 202. an inner ring block; 203. a first rib; 204. a second convex strip; 3. a fixed block; 301. fixing the tube; 302. a connecting pipe; 303. sleeving a pipe; 304. a connecting rod; 305. 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 a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

It should be noted that in the description of the present invention, the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience of description and simplification of description, and do not indicate or imply that the referred device or element must have a specific orientation, be configured in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

Further, it will be appreciated that the dimensions of the various elements shown in the figures are not drawn to scale, for ease of description, and that the thickness or width of some layers may be exaggerated relative to other layers, for example.

It should be noted that like reference numerals and letters refer to like items in the following figures, and thus, once an item is defined or illustrated in one of the figures, it will not need to be further discussed or illustrated in detail in the description of the figures that follows.

As shown in fig. 1 to 4, the present invention provides a technical solution: a lip-shaped sealing ring with a self-rotating sealing ring comprises a sealing ring body 1, wherein the sealing ring body 1 is formed into a whole by an outer lip 101, an inner lip 102 and a connecting bottom, a reinforcing ring 2 matched with the outer lip 101 and the inner lip 102 is arranged between the outer lip 101 and the inner lip 102, the reinforcing ring 2 is a metal piece with certain elasticity and rigidity and can support the sealing ring body 1, so that the sealing ring body 1 is not easy to deform under the action of centrifugal force, the use of the sealing ring body 1 is influenced, the service life of the sealing ring body 1 is prolonged better, the reinforcing ring 2 is formed into a whole by an outer ring block 201, an inner ring block 202 and the matching bottom, a plurality of supporting structures are uniformly arranged on the circumference between the inner ring block 202 and the outer ring block 201, each supporting structure comprises a fixing block 3 symmetrically arranged on the inner wall of the inner ring block 202 and the inner ring block 201, the fixing block 3 is fixed with the outer ring block 201 and the inner ring block 202, a fixing pipe 301 is arranged on the fixing block 3 at one end, fixed pipe 301 is fixed with fixed block 3, fixed pipe 301 one end is inserted and is equipped with connecting pipe 302, connecting pipe 302 and fixed pipe 301 looks adaptation, and connecting pipe 302 and fixed pipe 301 sliding connection, connecting pipe 302 and the inside spring 305 that is provided with of fixed pipe 301, the spring 305 both ends are fixed with fixed block 3, the inside one end of spring 305 is provided with the cover and establishes pipe 303, the cover is established pipe 303 one end and is inserted and is equipped with connecting rod 304, connecting rod 304 establishes pipe 303 looks adaptation with the cover, and connecting rod 304 establishes pipe 303 sliding connection with the cover, connecting rod 304 establishes pipe 303 and connecting pipe 302 with the cover and has all played limiting displacement to spring 305, make the tensile of spring 305 and compression stability that can be more, bearing structure has played the supporting role to reinforcing ring 2, make reinforcing ring 2 have stronger rigidity, and make bearing structure have the cushioning effect, be difficult for causing the harm to this sealing washer.

As a specific embodiment, a plurality of connecting strips 103 are uniformly arranged on the outer wall of the outer lip 101, the connecting strips 103 are fixed with the outer lip 101, a plurality of connecting pieces 104 are uniformly arranged on the outer wall of the inner lip 102, the connecting pieces 104 are fixed with the inner lip 102, the connecting strips 103 and the connecting pieces 104 are made of rubber, so that the sealing ring can be sealed more tightly, the usability of the sealing ring is better improved, a first groove 105 is formed on the inner wall of the outer lip 101, a second groove 106 is formed on the inner wall of the inner lip 102, a first convex strip 203 matched with the first groove 105 is arranged on the outer wall of the outer ring block 201, a second convex strip 204 matched with the second groove 106 is arranged on the outer wall of the inner ring block 202, the first convex strip 203, the first groove 105, the second convex strip 204 and the second groove 106 play a role in limiting the sealing ring body 1 and the reinforcing ring 2, and simultaneously the reinforcing ring 2 is convenient to mount and dismount on the sealing ring body 1, the sealing ring body 1 is convenient to maintain and replace, and the practicability of the sealing ring body 1 is improved well.

In particular, when using the gasket, first, the reinforcing ring 2 is mounted on the gasket body 1 via the first protrusion 203, the second protrusion 204, the first groove 105 and the second groove 106, so that the first rib 203 is mounted in the first groove 105, the second rib 204 is mounted in the second groove 106, then the sealing ring is arranged on a device to be installed, at the moment, the connecting strip 103 and the connecting sheet 104 are attached to the device, when the device rotates, centrifugal force generated by rotation acts on the sealing ring, the centrifugal force extrudes the sealing ring body 1 and the reinforcing ring 2, the reinforcing ring 2 plays a supporting role on the sealing ring body 1, simultaneously, spring 305 compresses, and fixed pipe 301 and connecting pipe 302 are close to each other, and the cover is established pipe 303 and connecting rod 304 and is close to each other, and spring 305's reaction force makes bearing structure play the supporting role to reinforcing ring 2 for this sealing washer is difficult for receiving the effect of centrifugal force and producing and warp. Through the setting of reinforcing ring 2 and bearing structure, reinforcing ring 2 is installed on sealing washer body 1 through first sand grip 203 and second sand grip 204, play the effect that supports the enhancement to outer lip 101 and inner lip 102, bearing structure passes through the compression of spring 305 and drives fixed pipe 301 and connecting pipe 302 and the relative movement of establishing pipe 303 and connecting rod 304 with the cover, the reaction force of spring 305 has played the effect of support once more to reinforcing ring 2, make this sealing washer be used when needs sealing washer self is rotatory, can not make lip diameter produce under the effect of centrifugal force warp and increase, be difficult for making the production clearance between lip and axle journal, better improvement the sealed effect of this sealing washer. Through the setting of connecting strip 103 and connection piece 104, connecting strip 103 and connection piece 104 have increased the frictional force of sealing washer body 1 for this sealing washer can be sealed inseparabler, better improvement the leakproofness of this sealing washer.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments 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 (5)

1. Lip seal circle of sealing washer self rotation, including sealing washer body (1), its characterized in that: sealing washer body (1) is by outer lip (101), constitute for a whole at the end of interior lip (102) and the connection, be provided with reinforcing ring (2) of looks adaptation between outer lip (101) and interior lip (102), reinforcing ring (2) are by outer lane piece (201), constitute for a whole at the end of inner circle piece (202) and the adaptation, the circumference evenly is provided with a plurality of bearing structure between inner circle piece (202) and outer lane piece (201), bearing structure is including fixed block (3) that the symmetry set up on inner circle piece (202) and outer lane piece (201) inner wall, be provided with fixed pipe (301) on one end fixed block (3), fixed pipe (301) one end is inserted and is equipped with connecting pipe (302), connecting pipe (302) and fixed pipe (301) inside are provided with spring (305), the inside one end of spring (305) is provided with the cover and establishes pipe (303), the cover is established pipe (303) one end and is inserted and is equipped with connecting rod (304).

2. A seal ring self-rotating lip seal ring according to claim 1, wherein: a plurality of connecting strips (103) are evenly arranged on the outer wall of the outer lip (101), a plurality of connecting pieces (104) are evenly arranged on the outer wall of the inner lip (102), and the connecting strips (103) and the connecting pieces (104) are made of rubber.

3. A seal ring self-rotating lip seal ring according to claim 1, wherein: the fixed block (3) is fixed with the outer ring block (201) and the inner ring block (202), and two ends of the spring (305) are fixed with the fixed block (3).

4. A seal ring self-rotating lip seal according to claim 1, wherein: a first groove (105) is formed in the inner wall of the outer lip (101), and a second groove (106) is formed in the inner wall of the inner lip (102).

5. A seal ring self-rotating lip seal ring according to claim 4, wherein: the outer ring block (201) is provided with a first raised line (203) matched with the first groove (105) on the outer wall, and the inner ring block (202) is provided with a second raised line (204) matched with the second groove (106) on the outer wall.

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