CN214113969U - V-shaped sealing waterproof carrier roller applied to labyrinth type sealing ring - Google Patents
V-shaped sealing waterproof carrier roller applied to labyrinth type sealing ring Download PDFInfo
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- CN214113969U CN214113969U CN202022020917.1U CN202022020917U CN214113969U CN 214113969 U CN214113969 U CN 214113969U CN 202022020917 U CN202022020917 U CN 202022020917U CN 214113969 U CN214113969 U CN 214113969U
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- labyrinth
- ring
- hole
- bearing
- sealing washer
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Abstract
The utility model discloses a be applied to V type waterproof seal bearing roller of labyrinth type sealing washer belongs to the mechanical engineering field. The utility model discloses a center pin, the cover is equipped with the roller skin on the center pin, the both ends of roller skin with install the bearing frame between the center pin, install the bearing in the bearing frame, install labyrinth seal in the bearing frame in the bearing outside, install V type sealing washer in labyrinth seal's the outside. The utility model discloses a V type sealing washer is located labyrinth sealing washer for the axle and hole and locates at labyrinth sealing washer's fit clearance, installs on labyrinth sealing washer for the axle to be line contact with labyrinth sealing washer for the hole, consequently can seal the clearance of labyrinth sealing washer for the axle and hole, prevent during materials such as water or dust enter into the inner bearing from the clearance of the two, thereby played the effect of protection bearing.
Description
Technical Field
The utility model relates to the field of mechanical engineering, the more specifically V type seal waterproof bearing roller who is applied to labyrinth type sealing washer that says so.
Background
The carrier roller is used for supporting the rubber belt in the conveyor, is the component with the largest use amount in the belt conveyor, and has obvious influence on the normal use and the running cost of the conveyor due to the performance of the carrier roller.
The existing carrier roller considers the sealing effect, but increases the rotating resistance of the roller; some rollers reduce the rotation resistance of the rollers, but the sealing effect is not ideal; the existing carrier roller sealing element has more parts, brings inconvenience to production, assembly and maintenance, and increases the manufacturing cost.
Through retrieval, relevant patents are disclosed at present for solving the defects of poor sealing effect or large rotation resistance of the carrier roller. For example, the Chinese patent application number is: CN201511030342.9, published date: the invention patent of 2016, 4, 6 discloses a non-contact symmetric labyrinth type waterproof and dustproof carrier roller sealing device, which comprises a central shaft, wherein a roller is sleeved on the central shaft, bearing seats are arranged between two ends of the roller and the central shaft, bearings are arranged in the bearing seats, a seat sealing device which is tightly matched with the bearing seats is arranged in the bearing seats on the outer side of the bearings, a shaft sealing device which is tightly matched with the central shaft is arranged on the central shaft, the seat sealing device comprises an inner seat sealing element and an outer seat sealing element, the shaft sealing device comprises an inner shaft sealing element and an outer shaft sealing element, the outer periphery of the inner shaft sealing element extends into the space between the inner seat sealing element and the outer seat sealing element and is in clearance fit, and the inner periphery of the outer seat sealing element extends into the space between the inner shaft sealing element and the outer shaft sealing element and is in clearance fit. But the disadvantages of this solution are: although the resistance of the rotation of the carrier roller is reduced by adopting a clearance fit mode, substances such as external water or dust enter the bearing through a fit clearance, and the sealing effect is poor.
SUMMERY OF THE UTILITY MODEL
1. Technical problem to be solved by the utility model
To the relatively poor problem of current non-contact labyrinth bearing roller seal effect, the utility model discloses a be applied to the sealed waterproof bearing roller of V type of labyrinth sealing washer, on the multistage sealed basis of labyrinth sealing washer, add V type sealing washer, it can further strengthen the leakproofness of labyrinth sealing washer to can solve outside water and enter into the problem of inner bearing from the sealed gap of labyrinth sealing washer, effectively protect inner bearing.
2. Technical scheme
In order to achieve the above purpose, the utility model provides a technical scheme does:
the utility model provides a be applied to sealed waterproof bearing roller of V type of labyrinth type sealing washer, includes the center pin, the cover is equipped with the roller skin on the center pin, the both ends of roller skin with install the bearing frame between the center pin, install the bearing in the bearing frame, install labyrinth seal in the bearing frame in the bearing outside, install V type sealing washer in labyrinth seal's the outside, V type sealing washer can seal the gap between the labyrinth seal to play and prevent that materials such as silt, dust or water from entering into the bearing in the gap, prolong the life of bearing.
Further technical scheme, labyrinth seal is including being clearance fit's labyrinth seal for the axle and hole labyrinth seal, the axle with labyrinth seal's inner circle with center pin interference fit, hole with labyrinth seal's outer lane with bearing frame interference fit, when hole with labyrinth seal takes place to rotate, the rotation of hole with labyrinth seal can not obstructed to the labyrinth seal's for the axle rotation to the rotatory resistance of labyrinth seal to the bearing roller has been reduced.
According to the technical scheme, the V-shaped sealing ring is installed on the outer side of the labyrinth sealing ring for the hole, the V-shaped sealing ring is in interference fit with the labyrinth sealing ring for the shaft, the V-shaped end portion of the V-shaped sealing ring is in line contact with the labyrinth sealing ring for the hole, and the rotation resistance of the carrier roller can be further reduced by the line contact mode during rotation.
According to the technical scheme, an anti-friction ring is installed at the contact position of the V-shaped sealing ring and the hole labyrinth sealing ring, the shape of the anti-friction ring is matched with the shape of the outer side of the hole labyrinth sealing ring, and the anti-friction ring is used for reducing the rotating resistance of the V-shaped sealing ring and the hole labyrinth sealing ring.
Further technical scheme, antifriction circle with labyrinth seal circle interference fit is used in the hole, with labyrinth seal circle clearance fit is used to the axle, and with the V type tip of V type sealing washer is line contact, and the antifriction circle material is stainless steel material, when rotatory, can further reduce the rotating resistance of bearing roller.
According to the technical scheme, the labyrinth seal ring for the shaft and the V-shaped seal ring are provided with antifriction rings outside, the outside of the antifriction rings is provided with the elastic check ring for the shaft, and the elastic check ring for the shaft is used for fixing the positions of the antifriction rings and the V-shaped seal ring.
3. Advantageous effects
Adopt the technical scheme provided by the utility model, compare with prior art, have following beneficial effect:
(1) the utility model discloses a be applied to V type waterproof seal bearing roller of labyrinth type sealing washer, labyrinth sealing washer includes that axle uses labyrinth sealing washer and hole to use labyrinth sealing washer, and axle uses labyrinth sealing washer and hole to be clearance fit, and V type sealing washer is installed in axle and is used labyrinth sealing washer and hole to use labyrinth sealing washer's fit clearance department, can seal the clearance of countershaft labyrinth sealing washer and hole to use labyrinth sealing washer, prevents that water from entering into inside bearing from the clearance of the two, has protected the bearing.
(2) The utility model discloses a be applied to V type waterproof seal bearing roller of labyrinth type sealing washer, axle are clearance fit with the hole labyrinth sealing washer, consequently, when the hole labyrinth sealing washer is taking place to rotate, and the rotation of hole labyrinth sealing washer can not be hindered to the axle labyrinth sealing washer to labyrinth sealing washer has been reduced to the rotatory resistance of bearing roller.
(3) The utility model discloses a be applied to V type waterproof seal bearing roller of labyrinth type sealing washer, V type sealing washer can reduce the rotation resistance of bearing roller with the contact mode that the hole is line contact with labyrinth sealing washer.
(4) The utility model discloses a be applied to sealed waterproof bearing roller of V type of labyrinth type sealing washer, antifriction circle and the labyrinth sealing washer clearance fit for the axle to be line contact with the V type tip of V type sealing washer, the antifriction circle is stainless steel, when rotating along with the labyrinth sealing washer for the hole together, can further reduce the rotating resistance between V type sealing washer and the labyrinth sealing washer for the hole.
(5) The utility model discloses a be applied to sealed waterproof bearing roller of V type of labyrinth type sealing washer, the circlip is used for fixing the mounted position of antifriction circle and V type sealing washer at the axle of the outside installation of antifriction circle.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is an enlarged view of a portion a of fig. 1.
In the figure:
1. rolling a roller skin; 2. a central shaft; 3. a steel wire retainer ring; 4. a bearing seat; 5. a bearing;
6. a labyrinth seal ring; 61. labyrinth seal ring for hole; 62. labyrinth seal ring for shaft;
7. a circlip for the shaft; 8. v-shaped sealing ring.
Detailed Description
For a further understanding of the present invention, reference will be made to the following detailed description taken in conjunction with the accompanying drawings.
Example 1
The V-shaped sealing waterproof carrier roller applied to the labyrinth sealing ring of the embodiment is shown in figure 1 and comprises a central shaft 2, a roller skin 1 is sleeved on the central shaft 2, two ends of the roller skin 1 are connected with a bearing seat 4 arranged between the central shaft 2, a bearing 5 is arranged in the bearing seat 4, a labyrinth sealing ring 6 is arranged in the bearing seat 4 outside the bearing 5, and a V-shaped sealing ring 8 is arranged outside the labyrinth sealing ring 6.
The existing carrier roller is sealed by a labyrinth seal ring 6, and the labyrinth seal ring 6 usually comprises two labyrinth seal rings, namely a labyrinth seal ring 62 for a shaft and a labyrinth seal ring 61 for a hole. Because relative rotation will take place between two labyrinth type sealing washer, consequently in order to reduce the rotatory resistance of bearing roller, two labyrinth type sealing washers are clearance fit usually, and this causes matters such as external dust, water to enter into bearing 5 along with the cooperation gap of two labyrinth type sealing washers, causes the damage to bearing 5.
Therefore, in order to overcome the defects, the applicant further improves the existing two labyrinth type sealing rings and adds the V-shaped sealing ring 8. And install steel wire retaining ring 3 between bearing frame 4 and bearing 5, V type sealing washer 8 is installed in the outside of labyrinth sealing washer 6 to the fit clearance between two labyrinth sealing washers seals, thereby plays and prevents that material such as silt, dust or water from entering into bearing 5 from the fit clearance of the two, very big extension bearing 5's life.
Example 2
The basic structure of the V-shaped sealing waterproof carrier roller applied to the labyrinth-shaped sealing ring of the embodiment is the same as that of embodiment 1, and the differences and improvements are as follows: as shown in fig. 1 and 2, the labyrinth seal 6 includes a shaft labyrinth seal 62 and a hole labyrinth seal 61 which are in clearance fit, an inner ring of the shaft labyrinth seal 62 is in interference fit with the central shaft 2, and an outer ring of the hole labyrinth seal 61 is in interference fit with the bearing seat 4.
As shown in fig. 1, the inner ring of the labyrinth seal 62 for a shaft is fitted to the center shaft 2 by interference, and the labyrinth seal 62 for a shaft does not rotate because the center shaft 2 does not rotate. The outer ring of the labyrinth seal 61 for hole is in interference fit with the bearing seat 4, and the labyrinth seal 61 for hole rotates around the central shaft 2 relatively along with the bearing seat 4 because the bearing seat 4 rotates. As shown in fig. 2, the connection between the shaft labyrinth seal 62 and the hole labyrinth seal 61 is an E-shaped port with a right opening, and the connection between the hole labyrinth seal 61 and the shaft labyrinth seal 62 is an E-shaped port with a left opening, and these two ports are connected with each other with a gap therebetween. Therefore, when the labyrinth seal for hole 61 rotates, the labyrinth seal for shaft 62 does not obstruct the rotation of the labyrinth seal for hole 61, and the resistance of the labyrinth seal 6 to the rotation of the idler roller is reduced.
Example 3
The basic structure of the V-shaped sealing waterproof idler roller applied to the labyrinth sealing ring of the embodiment is the same as that of embodiment 2, and the difference and improvement lies in that: as shown in fig. 2, the V-shaped seal ring 8 is attached to the outside of the labyrinth seal for hole 61, the V-shaped seal ring 8 is interference-fitted to the labyrinth seal for shaft 62, and the V-shaped end portion thereof is in line contact with the labyrinth seal for hole 61.
The V-shaped seal ring 8 is fixed to the shaft labyrinth seal ring 62, and the V-shaped seal ring 8 does not rotate when the hole labyrinth seal ring 61 rotates, so that the hole labyrinth seal ring 61 and the V-shaped end portion of the V-shaped seal ring 8 contact and rub when rotating, and the hole labyrinth seal ring 61 and the V-shaped end portion of the V-shaped seal ring 8 are in line contact, and the rotation resistance of the carrier roller can be reduced when rotating.
Example 4
The basic structure of the V-shaped sealing waterproof idler roller applied to the labyrinth sealing ring of the embodiment is the same as that of embodiment 3, and the differences and improvements are as follows: as shown in fig. 2, a friction reducing ring 9 is attached to a contact portion between the V-shaped seal ring 8 and the labyrinth seal for hole 61, and the shape of the friction reducing ring 9 matches the shape of the outer side of the labyrinth seal for hole 61.
Since the labyrinth seal for hole 61 and the V-shaped seal 8 are both made of rubber and have relatively large frictional resistance during rotation even if they are in line contact, the antifriction ring 9 is attached to the contact portion between the V-shaped seal 8 and the labyrinth seal for hole 61.
The anti-friction ring 9 is fitted to the labyrinth seal for hole 61 in an interference fit manner, and the shape thereof is identical to the shape of the outer side of the labyrinth seal for hole 61, so that the anti-friction ring 9 can be more favorably attached to the outer side of the labyrinth seal for hole 61. The antifriction ring 9 is in clearance fit with the labyrinth seal ring 62 for the shaft, and is in line contact with the V-shaped end of the V-shaped seal ring 8, and the antifriction ring 9 is made of stainless steel in this embodiment, so that the antifriction ring 9 can further reduce the rotation resistance of the carrier roller when rotating together with the labyrinth seal ring 61 for the hole.
Example 5
The basic structure of the V-shaped sealing waterproof idler roller applied to the labyrinth sealing ring of the embodiment is the same as that of embodiment 4, and the differences and improvements are as follows: as shown in fig. 2, a friction reducing ring 9 is attached to the outside of the labyrinth seal 62 for a shaft and the V-shaped seal 8, and a circlip 7 for a shaft is attached to the outside of the friction reducing ring 9.
In order to mount the V-shaped seal ring 8 more favorably, as shown in fig. 2, the shaft labyrinth seal 62 is extended outward in the longitudinal direction along the center shaft 2, and a horizontal groove is formed along the longitudinal direction of the center shaft 2 on the inner side of the extended portion of the shaft labyrinth seal 62 in contact with the center shaft 2, and the anti-friction ring 9 is mounted in the groove. As shown in fig. 2, the antifriction ring 9 in the groove is bent downward at 90 degrees and then installed outside the labyrinth seal 62 for the shaft and the V-shaped seal 8, so that the V-shaped seal 8 is installed in a space surrounded by the labyrinth seal 62 for the shaft, the labyrinth seal 61 for the hole, and the antifriction ring 9. A shaft circlip 7 is attached to the outer side of the antifriction ring 9, and the shaft circlip 7 fixes the position of the antifriction ring 9.
The present invention and its embodiments have been described above schematically, and the description is not limited thereto, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching of the present invention, without departing from the inventive spirit of the present invention, the person skilled in the art should also design the similar structural modes and embodiments without creativity to the technical solution, and all shall fall within the protection scope of the present invention.
Claims (3)
1. The utility model provides a be applied to waterproof bearing roller of V type seal of labyrinth type sealing washer, includes center pin (2), the cover is equipped with roller skin (1) on center pin (2), the both ends of roller skin (1) with install bearing frame (4) between center pin (2), install bearing (5) in bearing frame (4), install labyrinth sealing washer (6), its characterized in that in bearing frame (4) in the bearing frame (5) outside: a V-shaped sealing ring (8) is arranged on the outer side of the labyrinth sealing ring (6);
the labyrinth seal ring (6) comprises a shaft labyrinth seal ring (62) and a hole labyrinth seal ring (61) which are in clearance fit, the inner ring of the shaft labyrinth seal ring (62) is in interference fit with the central shaft (2), and the outer ring of the hole labyrinth seal ring (61) is in interference fit with the bearing seat (4);
the V-shaped sealing ring (8) is arranged on the outer side of the labyrinth sealing ring (61) for the hole, the V-shaped sealing ring (8) is in interference fit with the labyrinth sealing ring (62) for the shaft, and the V-shaped end part of the V-shaped sealing ring is in line contact with the labyrinth sealing ring (61) for the hole;
an anti-friction ring (9) is installed at the contact position of the V-shaped sealing ring (8) and the labyrinth sealing ring (61) for the hole, and the shape of the anti-friction ring (9) is matched with the shape of the outer side of the labyrinth sealing ring (61) for the hole.
2. The V-shaped sealing waterproof carrier roller applied to the labyrinth type sealing ring according to claim 1, is characterized in that: antifriction circle (9) with labyrinth sealing washer (61) interference fit is used in the hole, with labyrinth sealing washer (62) clearance fit is used to the axle, and with the V type tip of V type sealing washer (8) is line contact.
3. The V-shaped sealing waterproof carrier roller applied to the labyrinth type sealing ring according to claim 2, is characterized in that: an antifriction ring (9) is mounted on the outer sides of the labyrinth seal ring (62) for the shaft and the V-shaped seal ring (8), and an elastic check ring (7) for the shaft is mounted on the outer side of the antifriction ring (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022020917.1U CN214113969U (en) | 2020-09-14 | 2020-09-14 | V-shaped sealing waterproof carrier roller applied to labyrinth type sealing ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022020917.1U CN214113969U (en) | 2020-09-14 | 2020-09-14 | V-shaped sealing waterproof carrier roller applied to labyrinth type sealing ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214113969U true CN214113969U (en) | 2021-09-03 |
Family
ID=77484959
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022020917.1U Active CN214113969U (en) | 2020-09-14 | 2020-09-14 | V-shaped sealing waterproof carrier roller applied to labyrinth type sealing ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214113969U (en) |
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2020
- 2020-09-14 CN CN202022020917.1U patent/CN214113969U/en active Active
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