CN217002720U - Combined sealing element for automobile bearing - Google Patents
Combined sealing element for automobile bearing Download PDFInfo
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- CN217002720U CN217002720U CN202220747593.8U CN202220747593U CN217002720U CN 217002720 U CN217002720 U CN 217002720U CN 202220747593 U CN202220747593 U CN 202220747593U CN 217002720 U CN217002720 U CN 217002720U
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- sealing ring
- middle sleeve
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- side wall
- ring
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Abstract
The utility model discloses a combined sealing element for an automobile bearing, which is characterized in that: the upper sealing ring comprises an upper sealing ring, a lower sealing ring and an intermediate sleeve, wherein an annular lower connecting part is formed on the lower end face of the upper sealing ring, an annular upper connecting part is formed on the upper end face of the lower sealing ring, an upper connecting groove used for inserting the lower connecting part is formed on the upper end face of the intermediate sleeve, a lower connecting groove used for inserting the upper connecting part is formed on the lower end face of the intermediate sleeve, the upper sealing ring is connected with the intermediate sleeve through the lower connecting part, and the lower sealing ring is connected with the intermediate sleeve through the upper connecting part. The utility model provides a combined sealing element for an automobile bearing, which has the characteristics of simple structure, convenience in assembly and good sealing effect.
Description
Technical Field
The utility model relates to a combined sealing element for an automobile bearing.
Background
The bearing is widely used in the mechanical field, and needs to have good sealing performance in more and more occasions, and meanwhile, the normal operation of the bearing is ensured; especially for the severe working environment, such as a hub bearing, a combined sealing assembly is usually adopted. The assembling and disassembling of the combined sealing element on the market at present are very inconvenient, and the sealing property is insufficient.
For example, the present chinese utility model with the publication number CN107420433A discloses a combined sealing member for a double-layer split-joint type automobile bearing, comprising an upper sealing ring made of rubber and a lower sealing ring made of rubber, wherein the lower end of the upper sealing ring is provided with an annular upper fixing ring with a T-shaped cross section, the upper end of the lower sealing ring is provided with an annular lower fixing ring with a T-shaped cross section, a middle metal fixing ring is arranged between the upper sealing ring and the lower sealing ring, the middle metal fixing ring comprises an external fixing ring and an internal fixing ring, an external assembling groove matched with the upper fixing ring and the lower fixing ring is arranged on the inner arc surface of the external fixing ring, an internal assembling groove matched with the upper fixing ring and the lower fixing ring is arranged on the inner arc surface of the internal fixing ring, the external fixing ring is respectively sleeved on the external fixing ring and the internal fixing ring through the external assembling groove and connected with the upper sealing ring and the lower sealing ring, the internal fixing ring is respectively sleeved on the external fixing ring and the internal fixing ring through an internal assembly groove and is connected with the upper sealing ring and the lower sealing ring, a plurality of fixing clamping grooves are formed in the inner side arc face of the external fixing ring, a fixing clamping hook of an integrated structure matched with the fixing clamping grooves is arranged on the outer side arc face of the internal fixing ring, and the internal fixing ring is clamped into the corresponding position fixing clamping groove through the fixing clamping hook and is fixed with the external fixing ring in a clamping mode.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of the prior art, and provides a combined sealing element for an automobile bearing, which has the characteristics of simple structure, convenience in assembly and good sealing effect.
The technical scheme adopted by the utility model for solving the technical problems is as follows: the utility model provides a combined seal spare for automobile bearing which characterized in that: the upper sealing ring comprises an upper sealing ring, a lower sealing ring and an intermediate sleeve, wherein an annular lower connecting part is formed on the lower end face of the upper sealing ring, an annular upper connecting part is formed on the upper end face of the lower sealing ring, an upper connecting groove used for inserting the lower connecting part is formed on the upper end face of the intermediate sleeve, a lower connecting groove used for inserting the upper connecting part is formed on the lower end face of the intermediate sleeve, the upper sealing ring is connected with the intermediate sleeve through the lower connecting part, and the lower sealing ring is connected with the intermediate sleeve through the upper connecting part.
As an improvement, an upper connecting thread is formed on the inner side wall and/or the outer side wall of the lower connecting part of the upper sealing ring, an upper middle sleeve thread matched with the upper connecting thread is formed on the side wall of the upper connecting groove of the middle sleeve, a lower connecting thread is formed on the inner side wall and/or the outer side wall of the upper connecting part of the lower sealing ring, and a lower middle sleeve thread matched with the lower connecting thread is formed on the side wall of the lower connecting groove of the middle sleeve.
The improved structure is characterized in that the upper sealing ring and the lower sealing ring are inserted into the middle sleeve, a plurality of upper counter bores are circumferentially arranged on the end surface of the upper sealing ring at intervals, upper bolts are arranged in the upper counter bores, and the upper bolts are connected with the bottom of an upper connecting groove of the middle sleeve; a plurality of countersunk holes are formed in the end face of the lower sealing ring at intervals in the circumferential direction, lower bolts are arranged in the countersunk holes, and the lower bolts are connected with the bottoms of the lower connecting grooves of the middle sleeves.
And the improvement is that sealing covers are respectively arranged in the upper countersunk hole and the lower countersunk hole.
And the upper sealing ring, the middle sleeve and the lower sealing ring are connected and mutually compressed by the first compression bolt.
And a first sealing cover is arranged in the first counter sink hole.
And the upper sealing ring, the middle sleeve and the lower sealing ring are connected and mutually compressed by the second compression bolt.
And a second sealing cover is arranged in the second counter sink hole.
Compared with the prior art, the utility model has the advantages that: the upper sealing ring and the lower sealing ring are connected simultaneously through the middle sleeve, and the upper sealing ring and the lower sealing ring can be conveniently and reliably connected onto the middle sleeve through the connecting part structure on the sealing ring and the connecting groove structure on the middle sleeve.
Drawings
FIG. 1 is a schematic structural view of a composite seal for an automobile bearing in embodiment 1 of the present invention;
FIG. 2 is a schematic structural view of a composite seal for an automobile bearing in embodiment 2 of the present invention;
fig. 3 is a schematic structural view of a composite seal for an automobile bearing in embodiment 3 of the present invention.
Detailed Description
The utility model is described in further detail below with reference to the accompanying examples.
Example 1
As shown in fig. 1, the composite seal for an automobile bearing according to the present embodiment includes an upper seal ring 1, a lower seal ring 2, and an intermediate sleeve 3, wherein an annular lower connecting portion 11 is formed on a lower end surface of the upper seal ring 1, an annular upper connecting portion 21 is formed on an upper end surface of the lower seal ring 2, an upper connecting groove into which the lower connecting portion 11 is inserted is formed on an upper end surface of the intermediate sleeve 3, a lower connecting groove into which the upper connecting portion 21 is inserted is formed on a lower end surface of the intermediate sleeve 3, the upper seal ring 1 is connected to the intermediate sleeve 3 through the lower connecting portion 11, and the lower seal ring 2 is connected to the intermediate sleeve 3 through the upper connecting portion 21.
According to the utility model, the upper sealing ring 1 and the lower sealing ring 2 are simultaneously connected through the middle sleeve 3, and the upper sealing ring 1 and the lower sealing ring 2 can be conveniently and reliably connected to the middle sleeve 3 through the connecting part structure on the sealing rings and the connecting groove structure on the middle sleeve 3.
In embodiment 1 of the present invention, the upper seal ring 1 and the lower seal ring 2 may be connected to the intermediate sleeve 3 by a threaded connection, specifically, an upper connection thread is formed on an inner side wall and/or an outer side wall of the lower connection portion 11 of the upper seal ring 1, an intermediate sleeve upper thread adapted to the upper connection thread is formed on a side wall of the upper connection groove of the intermediate sleeve 3, a lower connection thread is formed on an inner side wall and/or an outer side wall of the upper connection portion 21 of the lower seal ring 2, and an intermediate sleeve lower thread adapted to the lower connection thread is formed on a side wall of the lower connection groove of the intermediate sleeve 3. Therefore, in the process of installing the upper sealing ring 1 and the lower sealing ring 2, the upper sealing ring 1 and the lower sealing ring 2 only need to be screwed into the corresponding connecting grooves on the middle sleeve 3 respectively.
Example 2
The embodiment 2 is different from the embodiment 1 in the technical characteristics that the upper seal ring 1, the lower seal ring 2 and the intermediate sleeve 3 are connected in different manners, specifically, as shown in fig. 2, in the embodiment 2, the upper seal ring 1 and the lower seal ring 2 are inserted into the intermediate sleeve 3, a plurality of upper countersunk holes 12 are circumferentially arranged on the end surface of the upper seal ring 1 at intervals, upper bolts 31 are arranged in the upper countersunk holes 12, and the upper bolts 31 are connected with the groove bottoms of the upper connecting grooves of the intermediate sleeve 3; a plurality of lower countersunk holes 22 are circumferentially arranged on the end surface of the lower sealing ring 2 at intervals, lower bolts 32 are arranged in the lower countersunk holes 22, and the lower bolts 32 are connected with the bottoms of the lower connecting grooves of the intermediate sleeve 3. After the upper seal ring 1, the lower seal ring 2 and the intermediate sleeve 3 are inserted, the upper seal ring 1 and the intermediate sleeve 3 are connected by an upper bolt 31, and the lower seal ring 2 and the intermediate sleeve 3 are connected by a lower bolt 32.
Furthermore, sealing covers 41 are respectively arranged in the upper countersunk hole 12 and the lower countersunk hole 22, and the upper bolt 31 and the lower bolt 32 can be hidden by the sealing covers 41, and meanwhile, the upper countersunk hole 12 and the lower countersunk hole 22 can be sealed.
Example 3
The technical difference between embodiment 3 and embodiment 2 is that the upper seal ring 1, the lower seal ring 2 and the intermediate sleeve 3 can be simultaneously connected by one bolt. Specifically, as shown in fig. 3, an upper seal ring 1 and a lower seal ring 2 are inserted into a middle sleeve 3, a plurality of first countersunk holes 13 are circumferentially formed in an end surface of the upper seal ring 1 at intervals, first compression bolts 5 are arranged in the first countersunk holes 13, the first compression bolts 5 penetrate through the middle sleeve 3 and are connected with the lower seal ring 2, and the first compression bolts 5 connect and compress the upper seal ring 1, the middle sleeve 3 and the lower seal ring 2. After the upper sealing ring 1, the lower sealing ring 2 and the middle sleeve 3 are inserted, the first bolt 5 penetrates through the middle sleeve 3 and then is connected with the lower sealing ring 2, and after the first bolt 5 is screwed, the first pressing bolt 5 can connect and mutually press the upper sealing ring 1, the middle sleeve 3 and the lower sealing ring 2. Further, a first sealing cover 6 may be further disposed in the first counterbore 13 for sealing the first counterbore 13.
Or, another mode is adopted, the upper sealing ring 1 and the lower sealing ring 2 are inserted on the middle sleeve 3, a plurality of second countersunk holes are circumferentially arranged on the end surface of the lower sealing ring 2 at intervals, second compression bolts are arranged in the second countersunk holes, penetrate through the middle sleeve 3 and are connected with the upper sealing ring 1, the middle sleeve 3 and the lower sealing ring 2 are connected and mutually compressed through the second compression bolts, and meanwhile, a second sealing cover is arranged in the second countersunk holes.
Claims (8)
1. The utility model provides a combined seal spare for automobile bearing which characterized in that: including last sealing ring (1), lower sealing ring (2) and middle cover (3), be formed with annular lower connecting portion (11) on the lower terminal surface of last sealing ring (1), be formed with annular upper connecting portion (21) on the up end of lower sealing ring (2), be formed with on the up end of middle cover (3) and be used for lower connecting portion (11) male last spread groove, be formed with on the lower terminal surface of middle cover (3) and be used for upper connecting portion (21) male lower spread groove, upper sealing ring (1) is connected through lower connecting portion (11) and middle cover (3), lower sealing ring (2) are connected through upper connecting portion (21) and middle cover (3).
2. The composite seal for an automobile bearing according to claim 1, characterized in that: the inner side wall and/or the outer side wall of the lower connecting part (11) of the upper sealing ring (1) is/are provided with upper connecting threads, the side wall of the upper connecting groove of the middle sleeve (3) is provided with middle upper threads matched with the upper connecting threads, the inner side wall and/or the outer side wall of the upper connecting part (21) of the lower sealing ring (2) is/are provided with lower connecting threads, and the side wall of the lower connecting groove of the middle sleeve (3) is provided with middle lower threads matched with the lower connecting threads.
3. The composite seal for an automobile bearing according to claim 1, characterized in that: the upper sealing ring (1) and the lower sealing ring (2) are inserted into the middle sleeve (3), a plurality of upper countersunk holes (12) are formed in the end face of the upper sealing ring (1) at intervals in the circumferential direction, upper bolts (31) are arranged in the upper countersunk holes (12), and the upper bolts (31) are connected with the bottoms of upper connecting grooves of the middle sleeve (3); a plurality of countersunk holes (22) are circumferentially arranged on the end surface of the lower sealing ring (2) at intervals, lower bolts (32) are arranged in the countersunk holes (22), and the lower bolts (32) are connected with the bottoms of the lower connecting grooves of the middle sleeve (3).
4. The composite seal for automobile bearings according to claim 3, characterized in that: and sealing covers (41) are respectively arranged in the upper countersunk hole (12) and the lower countersunk hole (22).
5. The composite seal for an automobile bearing according to claim 1, characterized in that: the upper sealing ring (1) and the lower sealing ring (2) are inserted into the middle sleeve (3), a plurality of first counter bores (13) are circumferentially arranged on the end face of the upper sealing ring (1) at intervals, first compression bolts (5) are arranged in the first counter bores (13), the first compression bolts (5) penetrate through the middle sleeve (3) and the lower sealing ring (2) to be connected, and the upper sealing ring (1), the middle sleeve (3) and the lower sealing ring (2) are connected and mutually compressed through the first compression bolts (5).
6. The composite seal for automobile bearings according to claim 5, characterized in that: a first sealing cover (6) is arranged in the first counter sink (13).
7. The composite seal for an automobile bearing according to claim 1, characterized in that: the upper sealing ring (1) and the lower sealing ring (2) are inserted into the middle sleeve (3), a plurality of second countersunk holes are formed in the end face of the lower sealing ring (2) at intervals in the circumferential direction, second compression bolts are arranged in the second countersunk holes, penetrate through the middle sleeve (3) and are connected with the upper sealing ring (1), and the upper sealing ring (1), the middle sleeve (3) and the lower sealing ring (2) are connected and mutually compressed by the second compression bolts.
8. The composite seal for automobile bearings according to claim 7, characterized in that: and a second sealing cover is arranged in the second counter sink hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220747593.8U CN217002720U (en) | 2022-04-01 | 2022-04-01 | Combined sealing element for automobile bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220747593.8U CN217002720U (en) | 2022-04-01 | 2022-04-01 | Combined sealing element for automobile bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217002720U true CN217002720U (en) | 2022-07-19 |
Family
ID=82375120
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220747593.8U Active CN217002720U (en) | 2022-04-01 | 2022-04-01 | Combined sealing element for automobile bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217002720U (en) |
-
2022
- 2022-04-01 CN CN202220747593.8U patent/CN217002720U/en active Active
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