CN216009546U - Sealing device for special-shaped bearing seat - Google Patents
Sealing device for special-shaped bearing seat Download PDFInfo
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- CN216009546U CN216009546U CN202121890557.9U CN202121890557U CN216009546U CN 216009546 U CN216009546 U CN 216009546U CN 202121890557 U CN202121890557 U CN 202121890557U CN 216009546 U CN216009546 U CN 216009546U
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Abstract
The utility model provides a sealing device for a special-shaped bearing seat, which belongs to the technical field of bearing seat sealing and comprises a sealing main body, a special-shaped framework and a spring, wherein the sealing main body is provided with a sealing main lip, a sealing inner auxiliary lip, a sealing outer auxiliary lip and an assembling buckle, the sealing main lip and the sealing inner auxiliary lip are used for sealing a gap between the sealing main body and a shaft, the sealing outer auxiliary lip is used for sealing a gap between the sealing main body and the inner wall of a seat hole, the bottom of the inner wall far away from the shaft in the seat hole of the bearing seat is provided with a clamping groove, the assembling buckle is used for being in adaptive clamping with the clamping groove so as to limit the movement of the sealing main body in the seat hole, the special-shaped framework is adaptively arranged inside the sealing main body, and the spring is adaptively arranged in the sealing main body and close to the sealing main lip. The sealing device for the special-shaped bearing seat provided by the utility model has the technical effects that the sealing can be realized by using one oil seal, the matching with the seat hole is stable and reliable, the sealing cost is low, the replacement and maintenance are convenient, the labor is saved, and the replacement cost is greatly reduced.
Description
Technical Field
The utility model belongs to the technical field of bearing seat sealing, and particularly relates to a sealing device for a special-shaped bearing seat.
Background
In the prior art, a sealing seat used in a steel mill is sealed because the bearing seat is a special-shaped bearing seat, the bearing seat generally works continuously, the rotating speed of a rotating shaft on the bearing seat is high, generally 1500 plus 3000rpm, a sealing device used by the bearing seat comprises two oil seals which are oppositely arranged, as shown in fig. 4, a seat hole is arranged in the bearing seat, a shaft is arranged in the seat hole, the oil seals are annularly arranged and sleeved on the shaft and used for sealing the seat hole, an internal medium positioned in the oil seals is bearing lubricating grease, and an external medium is gear oil, so that the sealing of the internal medium and the external medium is ensured. The prior art has the following defects: sealing cost is higher, in case the oil leak appears in one of them oil blanket, in order to ensure sealed effect, then must change two oil blankets into new simultaneously, it is also hard to change, greatly increased the waste of manpower and materials like this.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a sealing device for a special-shaped bearing seat, and aims to solve the technical problems that two oil seals are used for sealing the special-shaped bearing seat, the cost is high, and the oil seal is difficult to replace.
In order to achieve the purpose, the utility model adopts the technical scheme that: the sealing device for the special-shaped bearing seat comprises a sealing main body, a special-shaped framework and a spring, wherein the sealing main body is provided with a sealing main lip, a sealing inner auxiliary lip and a sealing outer auxiliary lip which are used for sealing; the special-shaped framework is arranged in the sealing main body in a matched manner; the spring is arranged in the sealing main body in a matched manner and close to the sealing main lip.
In a possible implementation manner, a sawtooth-shaped anti-slip structure is arranged on the outer side edge of the sealing main body, and the anti-slip structure is used for being in frictional contact with the side wall far away from the shaft in the seat hole so as to limit the sealing main body to move in the seat hole.
In a possible implementation manner, the sealing outer auxiliary lip is arranged on the outer side edge of the sealing main body and close to the end corner of the external gear oil, and is used for sealing the external gear oil and impurities.
In a possible implementation manner, the assembly buckle is arranged at a position, close to the inner bearing lubricating grease, on the outer side edge of the sealing main body, and is in a convex shape, the clamping groove is in a groove shape, and the assembly buckle can be clamped into the clamping groove.
In one possible implementation manner, the main sealing lip, the inner sealing lip and the outer sealing lip all abut against the inner side wall of the bearing seat hole.
In a possible implementation manner, the cross section of the sealing main body is in a horizontal Z shape, the cross section of the special-shaped framework is in an inverted U shape, and a groove is formed in the sealing main body and is located in an area which is semi-surrounded by the special-shaped framework.
In one possible implementation, the groove is filled with a rubber filler.
In a possible implementation, the rubber filling is deformable with the sealing body and is detachably connected with the groove.
In one possible implementation, the inner sealing secondary lip is rectangular and the main sealing lip is angular.
In a possible implementation manner, the sealing body is made of rubber, and the spring is a tension spring.
The sealing device for the special-shaped bearing seat has the beneficial effects that: compared with the prior art, the sealing device for the special-shaped bearing seat comprises a sealing main body, a special-shaped framework and a spring, wherein the sealing main body is provided with a sealing main lip, a sealing inner auxiliary lip and a sealing outer auxiliary lip which are used for sealing; the special-shaped framework is arranged in the sealing main body in a matched manner; spring looks adaptation locate in the sealed main part be close to sealed main lip department, it is high to have solved heterotypic bearing frame and used two oil blanket sealing cost, and the hard technical problem of oil blanket change has and uses an oil blanket can seal, and is reliable and stable with the seat hole cooperation, and sealed with low costs, the change maintenance of being convenient for is not hard, greatly reduced replacement cost's technical effect.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural cross-sectional view of a sealing device for a special-shaped bearing seat according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a sealing device for a special-shaped bearing seat provided in an embodiment of the present invention applied to a seat hole of the special-shaped bearing seat;
FIG. 3 is an enlarged view of FIG. 2 at A;
fig. 4 is a schematic view of a mounting structure of a two-piece oil seal used in a hole of a special-shaped bearing seat in the prior art.
Description of reference numerals:
1. a sealing body; 11. sealing the main lip; 12. sealing the inner auxiliary lip; 13. sealing the outer auxiliary lip; 14. Assembling a buckle; 2. a special-shaped framework; 3. a spring; 4. a card slot; 5. an anti-slip structure; 6. a groove; 7. a seat bore.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
Referring to fig. 1 to fig. 3, a sealing device for a special-shaped bearing seat according to the present invention will be described. The sealing device for the special-shaped bearing seat comprises a sealing main body 1, a special-shaped framework 2 and a spring 3, wherein the sealing main body 1 is provided with a sealing main lip 11, a sealing inner auxiliary lip 12, a sealing outer auxiliary lip 13 and an assembling buckle 14, the sealing main lip 11 and the sealing inner auxiliary lip 12 are located on the inner side edge of the sealing main body 1 and are used for sealing a gap between the sealing main body 1 and a shaft, the sealing outer auxiliary lip 13 and the assembling buckle 14 are located on the outer side edge of the sealing main body 1 and are used for sealing a gap between the sealing main body 1 and the inner wall of a seat hole 7, a clamping groove 4 is formed in the bottom of the inner wall far away from the shaft in the seat hole 7, and the assembling buckle 14 is used for being in adaptive clamping with the clamping groove 4 to limit the movement of the sealing main body 1 in the seat hole 7; the special-shaped framework 2 is arranged in the sealing main body 1 in a matched manner; the spring 3 is arranged in the sealing main body 1 in a matching way and close to the sealing main lip 11.
The utility model provides a sealing device for a special-shaped bearing seat, which comprises a sealing main body 1, a special-shaped framework 2 and a spring 3, wherein the sealing main body 1 is provided with a sealing main lip 11, a sealing inner auxiliary lip 12 and a sealing outer auxiliary lip 13 which are used for sealing, and an assembling buckle 14, the sealing main lip 11 and the sealing inner auxiliary lip 12 are both positioned on the inner side edge of the sealing main body 1 and are used for sealing a gap between the sealing main body 1 and a shaft, the sealing outer auxiliary lip 13 and the assembling buckle 14 are both positioned on the outer side edge of the sealing main body 1 and are used for sealing a gap between the sealing main body 1 and the inner wall of a seat hole 7, the bottom of the inner wall far away from the shaft in the seat hole 7 of the bearing seat is provided with a clamping groove 4, and the assembling buckle 14 is used for being in adaptive clamping connection with the clamping groove 4 so as to limit the movement of the sealing main body 1 in the seat hole 7; the special-shaped framework 2 is arranged in the sealing main body 1 in a matched manner; the spring 3 looks adaptation locate in the sealed main part 1 and be close to sealed main lip 11 department, it is high to have solved heterotypic bearing frame and use two oil blanket sealing cost, and the hard technical problem of oil blanket change has and uses an oil blanket can seal, and is reliable and stable with the cooperation of seat hole 7, and sealed with low costs, the maintenance of being convenient for change, it is hard, greatly reduced replacement cost's technical effect.
The connection mode between the special-shaped framework 2 and the spring 3 and the sealing main body 1 can refer to the connection matching mode or the installation mode in the prior art, and is not described herein again. Normally, the sealing body 1 is annular and is disposed in the seat hole 7 to perform a sealing function. The thickness of this sealing main body 1 is the gross thickness of the oil blanket of two pieces that uses among the prior art, then installation and dismantlement are all more convenient, and the change is also more smooth. The number of the lips arranged on the sealing main body 1 is larger than the sum of the number of the lips on the two oil seals used in the prior art, namely, the sealing effect of the utility model is larger than that of the two oil seals used in the prior art, and the use cost is greatly reduced.
Specifically, the outer diameter of the sealing body 1 is slightly larger than the inner diameter of the seat hole 7, that is, the sealing body 1 is subjected to a portion of deformation in the seat hole 7, so that the sealing body 1 can be firmly and stably placed in the seat hole 7 to achieve a sufficient sealing effect.
In some embodiments, referring to fig. 1 to 3, a sawtooth-shaped anti-slip structure 5 is disposed on an outer side edge of the sealing main body 1, and the anti-slip structure 5 is configured to be in frictional contact with a sidewall far away from the axis in the seat hole 7 to limit the sealing main body 1 from moving in the seat hole 7. Through the antiskid 5 and the assembly buckle 14 are connected or abutted with the inner wall of the seat hole 7 together, the friction force between the antiskid and the inner wall of the seat hole 7 is increased, and the sealing main body 1 is effectively prevented from slipping from the inside of the seat hole 7.
In some embodiments, referring to fig. 1 to 3, the sealing outer sub-lip 13 is disposed on the outer side of the sealing body 1 near the corner of the outer gear oil for sealing the outer gear oil and impurities. Sealed outer vice lip 13 is protruding form, with the butt of seat hole 7 inner wall, and the outer end of sealed outer vice lip 13 has slight deformation, prevents that outside gear oil and impurity from entering into inside the seat hole 7, then can play fine sealed effect.
In some embodiments, referring to fig. 1 to 3, the assembling buckle 14 is disposed on the outer side edge of the sealing body 1 near the inner bearing grease, and is convex, the slot 4 is concave, and the assembling buckle 14 can be buckled into the slot 4. The connection mode between the assembly buckle 14 and the clamping groove 4 is simple, and after the assembly buckle and the clamping groove are mutually clamped, the sealing main body 1 can be prevented from slipping from the inside of the seat hole 7, so that the limiting effect is achieved.
When the sealing main body 1 is squeezed forcibly by manpower, the assembling buckle 14 can be separated from the clamping groove 4, namely, the sealing main body 1 can be separated from the seat hole 7, so that the sealing main body is convenient to replace.
In some embodiments, referring to fig. 1 to 3, the main sealing lip 11, the inner sealing lip 12 and the outer sealing lip 13 all abut against the inner side wall of the bearing seat hole 7. Because of the free abutment against the inner wall of the seat bore 7, a good sealing effect is achieved, which otherwise is reduced.
In some embodiments, referring to fig. 1 to 3, the cross section of the sealing body 1 is a horizontal Z shape, the cross section of the special-shaped framework 2 is an inverted U shape, the sealing body 1 has a groove 6 inside, and the groove 6 is located in an area half surrounded by the special-shaped framework 2. The groove 6 is arranged along the sealing main body 1 and is circular, and the width of the groove is not limited.
In some embodiments, referring to fig. 1 to 3, the groove 6 is filled with a rubber filler. The rubber filler has played fine supporting effect, can be in order to prevent that sealed main part 1 from taking place the plastic bending deformation in seat hole 7 is inside, and the rigid seal effect then installs the rubber filler in the recess, then sealed main part 1 is the state of being propped up, can not take place to warp promptly in seat hole 7, has fine sealed effect.
In some embodiments, referring to fig. 1 to 3, the rubber filler may be deformed with the sealing body 1 and detachably connected to the groove. The rubber filling is not shown in the figure.
In some embodiments, referring to fig. 1-3, the inner sealing minor lip 12 is rectangular and the main sealing lip 11 is angular. The deformation area of the main sealing lip 11 abutting against the inner wall of the seat hole 7 is larger than that of the inner auxiliary sealing lip 12 abutting against the inner wall of the seat hole 7, and the main sealing lip 11 is a part mainly playing a role in sealing.
In some embodiments, referring to fig. 1 to 3, the sealing body 1 is made of rubber, and can undergo deformation and can freely return to an original shape after being deformed, and the spring 3 is a tension spring 3 or a high tension spring 3.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The utility model provides a sealing device for heterotypic bearing frame which characterized in that includes:
the sealing device comprises a sealing main body, an assembling buckle and a sealing cover, wherein the sealing main body is provided with a sealing main lip, a sealing inner auxiliary lip and a sealing outer auxiliary lip which are used for sealing, the sealing main lip and the sealing inner auxiliary lip are both positioned on the inner side edge of the sealing main body and are used for sealing a gap between the sealing main body and a shaft, the sealing outer auxiliary lip and the assembling buckle are both positioned on the outer side edge of the sealing main body and are used for sealing the gap between the sealing main body and the inner wall of a seat hole, the bottom of the inner wall far away from the shaft in the seat hole of the bearing seat is provided with a clamping groove, and the assembling buckle is used for being in adaptive clamping with the clamping groove so as to limit the sealing main body to move in the seat hole;
the special-shaped framework is arranged in the sealing main body in a matched mode; and
and the spring is arranged in the sealing main body in a matched manner and is close to the sealing main lip.
2. The sealing device for the special-shaped bearing seat as claimed in claim 1, wherein the outer side edge of the sealing main body is provided with a sawtooth-shaped anti-slip structure, and the anti-slip structure is used for being in frictional contact with the side wall far away from the shaft in the seat hole so as to limit the sealing main body to move in the seat hole.
3. The sealing device for the special-shaped bearing seat as claimed in claim 1, wherein the outer sealing auxiliary lip is arranged on the outer side edge of the sealing main body and close to the end corner of the external gear oil for sealing the external gear oil and impurities.
4. The sealing device for the special-shaped bearing seat as claimed in claim 1, wherein the assembling buckle is arranged on the outer side edge of the sealing main body close to the inner bearing lubricating grease, is convex, and the clamping groove is groove-shaped, and can be clamped into the clamping groove.
5. The sealing device for the special-shaped bearing seat as claimed in claim 1, wherein the main sealing lip, the inner sealing lip and the outer sealing lip all abut against the inner side wall of the bearing seat hole.
6. The sealing device for the special-shaped bearing seat as claimed in claim 1, wherein the cross section of the sealing main body is in a horizontal Z shape, the cross section of the special-shaped framework is in an inverted U shape, and a groove is formed in the sealing main body and is positioned in an area which is half surrounded by the special-shaped framework.
7. The sealing device for the special-shaped bearing seat as claimed in claim 6, wherein the groove is filled with rubber filler.
8. The sealing device for the special-shaped bearing seat as claimed in claim 7, wherein the rubber filler can deform along with the sealing body and is detachably connected with the groove.
9. The sealing device for the special-shaped bearing seat as claimed in claim 1, wherein the sealing inner auxiliary lip is rectangular, and the sealing main lip is angular.
10. The sealing device for the special-shaped bearing seat as claimed in claim 1, wherein the sealing main body is made of rubber, and the spring is a tension spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121890557.9U CN216009546U (en) | 2021-08-13 | 2021-08-13 | Sealing device for special-shaped bearing seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121890557.9U CN216009546U (en) | 2021-08-13 | 2021-08-13 | Sealing device for special-shaped bearing seat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216009546U true CN216009546U (en) | 2022-03-11 |
Family
ID=80588638
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121890557.9U Active CN216009546U (en) | 2021-08-13 | 2021-08-13 | Sealing device for special-shaped bearing seat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216009546U (en) |
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2021
- 2021-08-13 CN CN202121890557.9U patent/CN216009546U/en active Active
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