CN217056007U

CN217056007U - Pressure-resistant water pump bearing sealing ring

Info

Publication number: CN217056007U
Application number: CN202220866150.0U
Authority: CN
Inventors: 陈祖荣
Original assignee: Hangzhou Ideal Sealing Technology Co ltd
Current assignee: Hangzhou Ideal Sealing Technology Co ltd
Priority date: 2022-04-15
Filing date: 2022-04-15
Publication date: 2022-07-26
Anticipated expiration: 2032-04-15

Abstract

The utility model discloses a withstand voltage water pump bearing seal circle, including the inner lip, fixed connection is in the inboard surface of sealing washer main part, the inner lip with the sealing washer main part is the integrated shaping structure, just the outer lip that the surface fixed connection has the same material in the sealing washer main part outside, and the thickness of outer lip is less than the thickness of inner lip, wearing layer, fixed setting are in inner lip side surface, locating piece, fixed setting are in built-in skeleton lower surface is outside. This withstand voltage water pump bearing seal circle adopts neotype structural design, and the sealing washer skeleton adopts the skeleton texture design that the punching press type becomes, has increased the support intensity of skeleton, and sealing washer punching press assembly back, metal framework closely cooperates with the bearing ring, has increased pushing away of sealing washer and has taken off the power, prevents to drop inefficacy after the sealing washer pressurized, and what sealed inner lip adopted simultaneously is the design of single lip assembly interference deformation, increases inner lip thickness, has improved the compressive capacity of inner lip.

Description

Pressure-resistant water pump bearing sealing ring

Technical Field

The utility model relates to a sealing washer technical field specifically is withstand voltage water pump bearing sealing washer.

Background

The sealing ring is a fitting for sealing, and can be divided into a V-shaped sealing ring, a U-shaped sealing ring, an O-shaped sealing ring and the like according to the shape, and the sealing ring has the characteristics of high elasticity, high stability and the like besides having necessary performance in the sealing ring treatment.

In the prior art, chinese patent with publication number CN210461416U discloses a seal ring assembly for an electric tool bearing, wherein the seal ring comprises a seal ring outer lip, a seal ring connecting portion and a seal ring inner lip, the outer circle of the seal ring connecting portion is integrally connected with the seal ring outer lip, the inner circle of the seal ring connecting portion is integrally connected with the seal ring inner lip, the seal ring outer lip is provided with a rebound groove, the outer circle surface of the seal ring outer lip is connected with the rear end surface through a connecting conical surface, and the seal ring connecting portion is integrally connected with a vertical wrapping edge and a horizontal wrapping edge; a sealing ring framework is arranged in the sealing ring connecting part, and the excircle end of the sealing ring framework is provided with a vertical bending edge; the vertical bending edge is wrapped by the sealing ring connecting part, the vertical wrapping edge and the horizontal wrapping edge; the cross section in rebound groove is semi-circular cell body, has increased the intensity of bearing seal circle outer lip, makes the utility model discloses a sealing washer subassembly is difficult for being popped out under the condition that receives the axial force.

However, in the actual use process, the traditional design is adopted in the original sealing ring assembling structure, the framework is also a common L-shaped framework, and the sealing ring is not separated due to the vibration and the high pressure generated by the temperature rise of the bearing at high speed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a withstand voltage water pump bearing seal circle to vibration and the high pressure that the temperature rise produced make the problem that the sealing washer drops when proposing the bearing high speed in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: withstand voltage water pump bearing seal circle includes the annular seal main part of making by rubber materials, the inside built-in skeleton of metal that is provided with of sealing washer main part still includes:

the inner lip is fixedly connected to the outer surface of the inner side of the sealing ring main body, the inner lip and the sealing ring main body are of an integrated forming structure, the outer surface of the outer side of the sealing ring main body is fixedly connected with outer lips made of the same material, and the thickness of the outer lips is smaller than that of the inner lip;

the wear-resistant layer is fixedly arranged on the outer surface of the side edge of the inner lip, and the thickness of the wear-resistant layer is the same as that of the inner lip;

the positioning blocks are fixedly arranged outside the lower surface of the built-in framework, 2 positioning blocks are arranged from top to bottom, and the positioning blocks and the built-in framework are of an integrated structure;

and the positioning hole is formed in the upper surface of the sealing ring main body, and the position of the positioning hole corresponds to that of the positioning block up and down.

Preferably, the front end of the longitudinal section of the built-in framework is of a step-shaped structure, the rear end of the built-in framework is of a roll-shaped structure, and the built-in framework in a bent shape is utilized to provide better supporting force for the sealing ring main body, so that the phenomenon that the sealing ring main body falls off due to compression is avoided.

Preferably, both sides surface is provided with anticorrosive coating and frictional layer respectively about the built-in skeleton, just equidistant even interlude is provided with the laminating layer in the middle of the frictional layer and utilizes the laminating layer to provide certain adhesive force after with built-in skeleton and sealing washer main part assembly to make both installations inseparabler.

Preferably, the laminating layer is made by the super glue material, just the whole protruding column structure that is align to grid that is of frictional layer, and laminating layer with frictional layer thickness is the same, utilizes the frictional layer that is protruding column structure can increase the frictional force between built-in skeleton and the sealing washer main part to prevent to drop.

Preferably, the built-in framework is formed into a clamping structure through the positioning block and the positioning hole, the built-in framework is manufactured through a punch forming process, the built-in framework can be quickly assembled through the clamping structure between the positioning block and the positioning hole, and the integrally formed built-in framework has better elasticity and supporting force.

Preferably, the inner lip adopts the design of single lip assembly interference deformation, just the wearing layer has hard rubber material to make, and the inner lip of interference deformation design can improve its compressive capacity.

Compared with the prior art, the beneficial effects of the utility model are that: this withstand voltage water pump bearing seal circle adopts neotype structural design, and the sealing washer skeleton adopts the skeleton structure design that the punching press type becomes, has increased the support intensity of skeleton, and after the sealing washer punching press assembly, metal framework closely cooperates with the bearing ring, has increased pushing away of sealing washer and has taken off the power, prevents to drop behind the sealing washer pressurized and become invalid, and what sealed inner lip adopted simultaneously is the design of single lip assembly interference deformation, increases inner lip thickness, has improved the compressive capacity of inner lip, and its concrete content is as follows:

1. the built-in skeleton, the locating hole and the locating groove are matched for use, the built-in skeleton integrally formed through the stamping die utilizes the clamping connection between the locating block and the locating hole to realize the installation between the built-in skeleton and the sealing ring main body, the built-in skeleton with high strength is utilized to play a better supporting role for the sealing ring main body, and the condition that the built-in skeleton is deformed and falls off under the high-pressure environment is avoided.

2. The cooperation between interior lip, outer lip and the wearing layer is used, utilizes interior lip and outer lip to make and closely laminate between sealing washer main part and the bearing inner and outer lane when the assembly to reach sealed effect, and what the interior lip adopted is the design of single lip assembly interference deformation, increase holistic compressive capacity, the wearing layer that utilizes interior lip surface simultaneously can less use in-process friction loss.

Drawings

Fig. 1 is a schematic view of the front view structure of the sealing ring main body of the present invention;

FIG. 2 is a schematic view of the local front view structure of the internal frame of the present invention;

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

fig. 4 is a schematic top view of the sealing ring main body of the present invention;

fig. 5 is a schematic view of the local front-view section structure of the internal frame of the present invention.

In the figure: 1. a seal ring main body; 2. a framework is arranged inside; 3. an inner lip; 4. an outer lip; 5. a wear resistant layer; 6. positioning a block; 7. positioning holes; 8. an anticorrosive layer; 9. laminating layers; 10. and (4) a friction layer.

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 efforts all belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: withstand voltage water pump bearing seal circle includes the annular seal main part 1 of making by rubber materials, and 1 inside metal built-in skeleton 2 that is provided with of sealing washer main part still includes:

the inner lip 3 is fixedly connected to the outer surface of the inner side of the sealing ring main body 1, the inner lip 3 and the sealing ring main body 1 are of an integrated forming structure, the outer surface of the outer side of the sealing ring main body 1 is fixedly connected with the outer lip 4 made of the same material, and the thickness of the outer lip 4 is smaller than that of the inner lip 3;

the wear-resistant layer 5 is fixedly arranged on the outer surface of the side edge of the inner lip 3, and the thickness of the wear-resistant layer 5 is the same as that of the inner lip 3;

the positioning blocks 6 are fixedly arranged outside the lower surface of the built-in

framework

2, 2 positioning blocks 6 are arranged from top to bottom, and the positioning blocks 6 and the built-in framework 2 are of an integrated structure;

and the positioning hole 7 is formed in the upper surface of the sealing ring main body 1, and the position of the positioning hole 7 corresponds to the position of the positioning block 6 up and down.

The front end of the longitudinal section of the built-in framework 2 is of a step-shaped structure, the rear end of the built-in framework 2 is of a roll-shaped structure, the outer surfaces of the upper side and the lower side of the built-in framework 2 are respectively provided with an anticorrosive layer 8 and a friction layer 10, the middle of the friction layer 10 is evenly provided with an attaching layer 9 in an inserting mode at equal intervals, the attaching layer 9 is made of a strong glue material, the friction layer 10 is integrally of a convex structure which is evenly arranged, the thickness of the attaching layer 9 is the same as that of the friction layer 10, the built-in framework 2 forms a clamping structure through a positioning block 6 and a positioning hole 7, the built-in framework 2 is manufactured through a stamping forming process, the inner lip 3 is designed through single-lip assembly interference deformation, and the wear-resistant layer 5 is made of a hard rubber material.

When the manufacturing device, at first utilize stamping die and equipment to produce built-in skeleton 2 of specific shape, later utilize the correspondence of locating piece 6 and locating hole 7 and block with built-in skeleton 2 installation get into inside sealing washer main part 1, the laminating layer 9 of built-in skeleton 2 lower surface realizes adhesive action with the contact of sealing washer main part 1 this moment, and the frictional layer 10 on next door can improve whole frictional force, avoid built-in skeleton 2 atress displacement to appear, the whole atress ability is increased to the inner lip 3 of single lip assembly interference deformation design simultaneously, its outside wearing layer 5 reduces the friction damage when using, thereby improve life, install assembled sealing washer main part 1 during installation device and can use in the bearing housing, and reach effectual sealed effect.

It should be understood that the terms "center", "longitudinal", "lateral", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, are used in an orientation or positional relationship indicated in the drawings for ease of description of the invention, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the scope of the invention.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Withstand voltage water pump bearing seal circle includes ring seal main part (1) of being made by rubber materials, seal main part (1) inside is provided with built-in skeleton of metal (2), its characterized in that still includes:

the inner lip (3) is fixedly connected to the inner side outer surface of the sealing ring main body (1), the inner lip (3) and the sealing ring main body (1) are of an integrated forming structure, the outer side outer surface of the sealing ring main body (1) is fixedly connected with an outer lip (4) made of the same material, and the thickness of the outer lip (4) is smaller than that of the inner lip (3);

the wear-resistant layer (5) is fixedly arranged on the outer surface of the side edge of the inner lip (3), and the thickness of the wear-resistant layer (5) is the same as that of the inner lip (3);

the positioning blocks (6) are fixedly arranged outside the lower surface of the built-in framework (2), 2 positioning blocks (6) are arranged from top to bottom, and the positioning blocks (6) and the built-in framework (2) are of an integrated structure;

the positioning hole (7) is formed in the upper surface of the sealing ring main body (1), and the position of the positioning hole (7) corresponds to the position of the positioning block (6) up and down.

2. A pressure-resistant water pump bearing seal ring according to claim 1, characterized in that: the front end of the longitudinal section of the built-in framework (2) is of a step-shaped structure, and the rear end of the built-in framework (2) is of a roll-shaped structure.

3. A pressure-resistant water pump bearing seal ring according to claim 2, characterized in that: the outer surfaces of the upper side and the lower side of the built-in framework (2) are respectively provided with an anticorrosive layer (8) and a friction layer (10), and the middle of the friction layer (10) is uniformly and alternately provided with a jointing layer (9).

4. A pressure-resistant water pump bearing seal ring according to claim 3, characterized in that: the laminating layer (9) is made of a super glue material, the friction layer (10) is of a protruding structure which is uniformly arranged on the whole, and the thickness of the laminating layer (9) is the same as that of the friction layer (10).

5. A pressure-resistant water pump bearing seal ring according to claim 2, characterized in that: the built-in framework (2) forms a clamping structure through the positioning block (6) and the positioning hole (7), and the built-in framework (2) is manufactured through a punch forming process.

6. A pressure-resistant water pump bearing seal ring according to claim 1, characterized in that: the inner lip (3) is designed by adopting single-lip assembly interference deformation, and the wear-resistant layer (5) is made of hard rubber materials.