CN215293581U - Install bearing seal subassembly of high strength sealing washer - Google Patents
Install bearing seal subassembly of high strength sealing washer Download PDFInfo
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- CN215293581U CN215293581U CN202023214848.4U CN202023214848U CN215293581U CN 215293581 U CN215293581 U CN 215293581U CN 202023214848 U CN202023214848 U CN 202023214848U CN 215293581 U CN215293581 U CN 215293581U
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Abstract
The utility model discloses a shaft seal assembly provided with a high-strength sealing ring, which is characterized by comprising an outer sleeve (17), a shaft sleeve (18) clamped in the outer sleeve (17) and an end cover (19) clamped in the shaft sleeve (18); and sealing rings (20) are respectively arranged on the shaft sleeve (18) and the end cover (19). The sealing ring is arranged on the shaft sleeve and the end cover, so that the sealing performance of the utility model is improved; simultaneously, be provided with annular inserting groove on the axle sleeve, be provided with annular cutting ferrule on the end cover, annular inserting groove card is gone into in the annular cutting ferrule, through the sealed face that increases between axle sleeve and the end cover, can improve the utility model discloses a sealing performance.
Description
Technical Field
The utility model relates to a sealed field specifically indicates an install bearing seal subassembly of high strength sealing washer.
Background
The shaft seal is a sealing device arranged for preventing leakage between the pump shaft and the housing. Common types of shaft seals are packing seals, mechanical seals and dynamic seals. With the continuous development of the technology, the working conditions of the shaft seal are more and more complex, for example, the temperature is higher and higher, the bearing pressure is higher and higher, and the requirements on the shaft seal are higher and higher. However, the sealing effect of the conventional shaft seal is reduced after a long time use, and the sealing effect is reduced more obviously particularly under a high-pressure environment.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to solve above-mentioned problem, provide a bearing seal subassembly that sealing performance is good, and can bear great pressure.
The purpose of the utility model is realized through the following technical scheme: a shaft seal assembly provided with a high-strength sealing ring comprises an outer sleeve, a shaft sleeve clamped in the outer sleeve and an end cover clamped in the shaft sleeve; sealing rings are arranged on the shaft sleeve and the end cover; the shaft sleeve is provided with an annular insertion groove, the end cover is provided with an annular clamping sleeve, and the annular clamping sleeve is clamped into the annular insertion groove; the sealing ring comprises a sealing ring main body, an upper support body and a lower support body which are arranged on the sealing ring main body; the outer ring surface of the sealing ring main body is provided with an outer ring sealing structure, and the inner ring surface of the sealing ring main body is provided with an inner ring sealing structure.
The sleeve is provided with a sleeve joint part which is sleeved in the outer sleeve; the end cover is provided with a clamping groove, and the groove wall of the annular insertion groove is clamped into the clamping groove.
The sealing washer is characterized in that an upper support body annular bayonet is arranged on the sealing washer main body, the upper support body is installed in the upper support body annular bayonet, and the outer ring sealing structure and the inner ring sealing structure are respectively located on two sides of the upper support body annular bayonet.
The outer ring sealing structure is provided with a first pressing portion, the inner ring sealing structure is provided with a second pressing portion, and the first pressing portion and the second pressing portion press the upper surface of the upper supporting body tightly.
The sealing ring is characterized in that a lower support body annular bayonet arranged below the upper support body annular bayonet is arranged on the sealing ring main body, and the lower support body is arranged in the lower support body annular bayonet.
A concave part is arranged in the annular bayonet of the lower support body; the lower support body comprises a lower support body, and a convex part is arranged on the lower support body; the lower support body is arranged in the lower support body annular bayonet, and the convex part is clamped into the concave part.
The outer ring sealing structure comprises an outer ring upper sealing lip and an outer ring lower sealing lip which extend towards one side of the inner ring surface of the sealing ring main body, the outer ring upper sealing lip is inclined upwards, the outer ring lower sealing lip is inclined downwards, and an included angle of 100-120 degrees is formed between the outer ring upper sealing lip and the outer ring lower sealing lip.
The inner ring sealing structure comprises an inner ring upper sealing lip and an inner ring lower sealing lip which extend towards one side of the outer ring surface of the sealing ring main body, the inner ring upper sealing lip is inclined upwards, the inner ring lower sealing lip is inclined downwards, and an included angle of 100-120 degrees is formed between the inner ring upper sealing lip and the inner ring lower sealing lip.
An outer ring supporting plate is arranged on one side of the outer ring surface of the lower supporting body, and an inner ring supporting plate is arranged on one side of the inner ring surface of the lower supporting body.
The shaft sleeve is provided with a first sealing ring mounting groove, the end cover is provided with a second sealing ring mounting groove, and the sealing rings are respectively mounted in the first sealing ring mounting groove and the second sealing ring mounting groove.
Compared with the prior art, the utility model, following advantage and beneficial effect have:
(1) the sealing ring is arranged on the shaft sleeve and the end cover, so that the sealing performance of the utility model is improved; simultaneously, be provided with annular inserting groove on the axle sleeve, be provided with annular cutting ferrule on the end cover, annular inserting groove card is gone into in the annular cutting ferrule, through the sealed face that increases between axle sleeve and the end cover, can improve the utility model discloses a sealing performance.
(2) The utility model is provided with the upper supporting body and the lower supporting body, thereby improving the strength of the sealing ring and being suitable for the working condition with higher pressure; meanwhile, the outer ring surface and the inner ring surface of the sealing ring main body are respectively provided with an outer ring sealing structure and an inner ring sealing structure, so that the sealing performance can be ensured while the strength of the sealing ring is improved.
(3) The utility model discloses a be provided with the concave part in the lower supporter annular bayonet socket, be provided with the convex part on the lower supporter body, through the combination of concave part and convex part, can make things convenient for the lower supporter to install in lower supporter annular bayonet socket, and difficult pine takes off.
Drawings
Fig. 1 is a sectional view of the present invention.
Fig. 2 is a sectional view of the shaft sleeve of the present invention.
Fig. 3 is a sectional view of the end cap of the present invention.
Fig. 4 is a sectional view of the sealing ring of the present invention.
Fig. 5 is a sectional view of the sealing ring main body of the present invention.
Fig. 6 is a sectional view of the lower supporter of the present invention.
The reference numbers in the above figures refer to: 1-sealing washer main part, 2-go up the supporter, 3-the bottom suspension body, 4-interior ring top seal lip, 5-go up supporter annular bayonet, 6-exterior ring top seal lip, 7-exterior ring bottom seal lip, 8-bottom suspension body annular bayonet, 9-concave part, 10-interior ring bottom seal lip, 11-the bottom suspension body, 12-convex part, 13-interior ring layer board, 14-exterior ring layer board, 15-first portion of compressing tightly, 16-second portion of compressing tightly, 17 overcoat, 18-axle sleeve, 19-end cover, 20-sealing washer, 21-axle, 22-cup joint portion, 23-first sealing washer mounting groove, 24-annular inserting groove, 25-annular cutting ferrule, 26-second sealing washer mounting groove, 27-joint groove.
Detailed Description
The present invention will be described in further detail with reference to examples, but the present invention is not limited thereto.
Examples
As shown in figures 1-3, the utility model discloses an install bearing seal subassembly of high strength sealing washer, including overcoat 17, the axle sleeve 18 of joint in overcoat 17 to and the end cover 19 of joint in axle sleeve 18.
Specifically, be provided with annular inserting groove 24 on the axle sleeve 18, be provided with annular cutting ferrule 25 on the end cover 19, annular cutting ferrule 25 card is gone into annular inserting groove 24 in, through above-mentioned structure, can make and form a plurality of sealed faces between end cover 19 and the axle sleeve 18, in order to improve the utility model discloses a sealed effect.
In addition, the sleeve 18 is provided with a sleeve joint part 22, and the sleeve joint part 22 is sleeved in the outer sleeve 17. The end cover 19 is provided with a clamping groove 27, and the groove wall of the annular insertion groove 24 is clamped into the clamping groove 27. Thus, the fit between the outer sleeve 17, the sleeve 18 and the end cap 19 is tighter.
As shown in fig. 2 and 3, the shaft sleeve 18 is provided with a first sealing ring installation groove 23, the end cover 19 is provided with a second sealing ring installation groove 26, and the sealing rings 20 are installed in the first sealing ring installation groove 23 and the second sealing ring installation groove 26.
As shown in fig. 4 to 6, the seal ring 20 includes a seal ring main body 1, and an upper support body 2 and a lower support body 3 mounted on the seal ring main body 1. The strength of the seal ring is improved by the upper support 2 and the lower support 3.
Specifically, as shown in fig. 5 and 6, an upper support body annular bayonet 5 is arranged on the seal ring main body 1, and the upper support body 2 is installed in the upper support body annular bayonet 5.
The sealing washer main part 1 is provided with a lower support body annular bayonet 8 located below the upper support body annular bayonet 5, and the lower support body 3 is installed in the lower support body annular bayonet 8. A concave part 9 is arranged in the lower support body annular bayonet 8; the lower support body 3 comprises a lower support body 11, and a convex part 12 is arranged on the lower support body 11; the lower support body 11 is mounted in the lower support annular bayonet 8 and the protrusion 12 is snapped into the recess 9. When the installation is carried out, only the lower support body 11 needs to be clamped into the lower support body annular bayonet 8, at the moment, the convex part 12 on the lower support body 11 is automatically clamped into the concave part 9, the installation is very convenient, and the lower support body 11 is not easy to be separated from the lower support body annular bayonet 8 through the matching of the convex part 12 and the concave part 9.
In order to achieve a better sealing effect, as shown in fig. 5, an outer ring sealing structure is arranged on the outer ring surface of the sealing ring main body 1, an inner ring sealing structure is arranged on the inner ring surface of the sealing ring main body 1, and the outer ring sealing structure and the inner ring sealing structure are respectively located on two sides of the upper support body annular bayonet 5.
Specifically, the outer ring seal structure includes seal lip 6 and seal lip 7 under the outer ring to keeping away from seal ring main part inner ring face one side extension, and seal lip 6 tilt up on the outer ring, seal lip 7 downward sloping under the outer ring, form 100 ~ 120 degrees contained angles between seal lip 7 under seal lip 6 and the outer ring on the outer ring. In the present embodiment, the outer ring upper seal lip 6 and the outer ring lower seal lip 7 form an included angle of 120 degrees therebetween.
In addition, the inner ring sealing structure comprises an inner ring upper sealing lip 4 and an inner ring lower sealing lip 10 which extend towards one side far away from the outer ring surface of the sealing ring main body, the inner ring upper sealing lip 4 inclines upwards, the inner ring lower sealing lip 10 inclines downwards, and an included angle of 100-120 degrees is formed between the inner ring upper sealing lip 4 and the inner ring lower sealing lip 10. In the present embodiment, an included angle of 120 degrees is formed between the inner ring upper seal lip 4 and the inner ring lower seal lip 10.
For better fixed support body 2, be provided with first portion 15 that compresses tightly on the outer loop seal structure, be provided with second portion 16 that compresses tightly on the inner ring seal structure, this support body 2 is the loop configuration, will go up during the installation support body 2 card income support body annular bayonet 5, and support body 2's upper surface is gone up in support body annular bayonet 5 to first portion 15 and the 16 pressure-equalizing of second portion that compress tightly this moment, prevents to go up support body 2 and breaks away from support body annular bayonet 5.
An outer ring supporting plate 14 is arranged on one side of the outer ring surface of the lower supporting body 11, an inner ring supporting plate 13 is arranged on one side of the inner ring surface of the lower supporting body, and the outer ring supporting plate 14 and the inner ring supporting plate 13 are attached to the lower end of the sealing ring main body 1.
When the sealing ring clamping device is used, the sealing rings 20 are respectively arranged on the shaft sleeve 18 and the end cover 19, the outer sleeve 17 is arranged on the shaft 21, the shaft sleeve 18 is arranged on the shaft 21 and clamped into the outer sleeve 17, and finally the end cover 19 is arranged on the shaft 21 and clamped into the shaft sleeve 18. The upper seal lip 4 of the inner ring and the lower seal lip 10 of the inner ring of the well-installed back seal ring 20 are abutted with the shaft, and the upper seal lip 6 of the outer ring and the lower seal lip 7 of the outer ring are abutted with the groove walls of the installation grooves, so that good sealing is formed, and the strength of the seal ring can be improved through the upper support body 2 and the lower support body 3.
The above embodiments have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the details of the above embodiments, and the technical idea of the present invention can be modified to various simple modifications, which all belong to the protection scope of the right of the present invention, as long as it does not violate the idea of the present invention.
As described above, the utility model discloses alright fine realization.
Claims (10)
1. A shaft seal assembly provided with a high-strength sealing ring is characterized by comprising an outer sleeve (17), a shaft sleeve (18) clamped in the outer sleeve (17), and an end cover (19) clamped in the shaft sleeve (18); the shaft sleeve (18) and the end cover (19) are both provided with a sealing ring (20); an annular insertion groove (24) is formed in the shaft sleeve (18), an annular clamping sleeve (25) is arranged on the end cover (19), and the annular clamping sleeve (25) is clamped into the annular insertion groove (24); the sealing ring (20) comprises a sealing ring main body (1), an upper supporting body (2) and a lower supporting body (3) which are arranged on the sealing ring main body (1); the outer ring surface of the sealing ring main body (1) is provided with an outer ring sealing structure, and the inner ring surface of the sealing ring main body (1) is provided with an inner ring sealing structure.
2. The shaft seal assembly provided with the high-strength sealing ring according to claim 1, wherein the shaft sleeve (18) is provided with a sleeve joint part (22), and the sleeve joint part (22) is sleeved in the outer sleeve (17); the end cover (19) is provided with a clamping groove (27), and the wall of the annular insertion groove (24) is clamped into the clamping groove (27).
3. The shaft seal assembly with the high-strength sealing ring installed is characterized in that the sealing ring main body (1) is provided with an upper support body annular bayonet (5), the upper support body (2) is installed in the upper support body annular bayonet (5), and the outer ring sealing structure and the inner ring sealing structure are respectively positioned at two sides of the upper support body annular bayonet (5).
4. The shaft seal assembly with the high-strength sealing ring installed according to claim 3, characterized in that a first pressing portion (15) is provided on the outer ring sealing structure, a second pressing portion (16) is provided on the inner ring sealing structure, and the first pressing portion (15) and the second pressing portion (16) press the upper surface of the upper supporting body (2) tightly.
5. The shaft seal assembly with a high-strength sealing ring installed according to claim 4, characterized in that the sealing ring main body (1) is provided with a lower support body annular bayonet (8) below the upper support body annular bayonet (5), and the lower support body (3) is installed in the lower support body annular bayonet (8).
6. The shaft seal assembly with a high-strength seal ring installed according to claim 5, characterized in that the lower support body annular bayonet (8) is provided with a recess (9) therein; the lower support body (3) comprises a lower support body (11), and a convex part (12) is arranged on the lower support body (11); the lower support body (11) is arranged in the lower support annular bayonet (8), and the convex part (12) is clamped into the concave part (9).
7. The shaft seal assembly with the high-strength sealing ring installed according to claim 5, characterized in that the outer ring sealing structure comprises an outer ring upper sealing lip (6) and an outer ring lower sealing lip (7) which extend to the side away from the inner ring surface of the sealing ring main body, the outer ring upper sealing lip (6) inclines upwards, the outer ring lower sealing lip (7) inclines downwards, and an included angle of 100-120 degrees is formed between the outer ring upper sealing lip (6) and the outer ring lower sealing lip (7).
8. The shaft seal assembly with the high-strength sealing ring installed thereon according to claim 7, wherein the inner ring sealing structure comprises an inner ring upper sealing lip (4) and an inner ring lower sealing lip (10) which extend to the side away from the outer ring surface of the sealing ring main body, the inner ring upper sealing lip (4) is inclined upwards, the inner ring lower sealing lip (10) is inclined downwards, and an included angle of 100-120 degrees is formed between the inner ring upper sealing lip (4) and the inner ring lower sealing lip (10).
9. The shaft seal assembly with a high-strength sealing ring installed according to claim 6, characterized in that the lower support body (11) is provided with an outer ring supporting plate (14) on one side of the outer ring surface and an inner ring supporting plate (13) on one side of the inner ring surface.
10. The shaft seal assembly with a high-strength sealing ring installed according to claim 1, wherein the shaft sleeve (18) is provided with a first sealing ring installation groove (23), the end cover (19) is provided with a second sealing ring installation groove (26), and the sealing ring (20) is respectively installed in the first sealing ring installation groove (23) and the second sealing ring installation groove (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023214848.4U CN215293581U (en) | 2020-12-28 | 2020-12-28 | Install bearing seal subassembly of high strength sealing washer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023214848.4U CN215293581U (en) | 2020-12-28 | 2020-12-28 | Install bearing seal subassembly of high strength sealing washer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215293581U true CN215293581U (en) | 2021-12-24 |
Family
ID=79528146
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023214848.4U Active CN215293581U (en) | 2020-12-28 | 2020-12-28 | Install bearing seal subassembly of high strength sealing washer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215293581U (en) |
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2020
- 2020-12-28 CN CN202023214848.4U patent/CN215293581U/en active Active
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