CN203612794U - Aluminum core escalator roller - Google Patents
Aluminum core escalator roller Download PDFInfo
- Publication number
- CN203612794U CN203612794U CN201320728459.4U CN201320728459U CN203612794U CN 203612794 U CN203612794 U CN 203612794U CN 201320728459 U CN201320728459 U CN 201320728459U CN 203612794 U CN203612794 U CN 203612794U
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- Prior art keywords
- aluminium core
- wheel hub
- seal ring
- periphery
- roller
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Abstract
The utility model discloses an aluminum core escalator roller, which comprises a rolling bearing, an aluminum core, a hub and a sealing ring, wherein the aluminum core is in the form of a circular pipe, and comprises a first inner circle surface and a first outer circle surface; the first outer circle surface is provided with a circle of annular groove; the hub comprises a second inner circle surface and a second outer circle surface; the second inner circle surface is provided with an annular bump which is matched with the groove; the sealing ring comprises a third inner circle surface and a third outer circle surface; the second outer circle surface is matched with the third inner circle surface; the aluminum core is fixedly connected to the rolling bearing; the hub is fixedly connected between the aluminum core and the sealing ring. The aluminum core escalator roller has the advantages of low noise, high stability and high running stability, cracking of the aluminum core or the sealing ring is prevented effectively, and the service life of the roller is prolonged.
Description
Technical field
The utility model relates to escalator technical field, particularly relates to a kind of aluminium core escalator roller.
Background technology
Escalator refers under the driving of power, utilize the casing of rigid guideway operation or the step along line operation, carry out the electromechanical appliance of lifting or parallel shipper or goods, therefore, roller is as the vitals of escalator, must there is certain bearing capacity, existing escalator roller, in order not increase roller volume, can improve again the bearing capacity of roller, increase the resistance to abrasion of roller, reduce the noise of roller, usually directly wrap certain thickness plastic cement at the skin of aluminium core escalator roller, but, this aluminium core escalator roller is because plastic cement is directly connected with aluminium core, easily occur dry and cracked, service life is shorter.
Utility model content
The technical matters that the utility model mainly solves is to provide that a kind of noise is low, good stability, degree of operating steadily are good, the aluminium core escalator roller in service life.
For solving the problems of the technologies described above, the utility model provides a kind of aluminium core escalator roller, comprise: antifriction-bearing box, aluminium core, wheel hub and seal ring, described aluminium core arranges cylindrical, described aluminium core comprises the first inner headed face and the first periphery, described the first periphery is provided with the groove of a ring shape, described wheel hub comprises the second inner headed face and the second periphery, described the second inner headed face is provided with the annular projection matching with described groove, described seal ring comprises the 3rd inner headed face and the 3rd periphery, described the second periphery matches with described the 3rd inner headed face, described aluminium core is fixedly connected on described antifriction-bearing box, described wheel hub is fixedly connected between described aluminium core and described seal ring.
In preferred embodiment of the utility model, described aluminium core escalator roller also comprises two collars, described collar comprises back-up ring and two guard hoops of circular arc, the two ends of described circular arc back-up ring are fixedly connected with respectively a guard hoop, and described collar is fixedly connected on the both sides of described antifriction-bearing box.
In preferred embodiment of the utility model, the central axis of described collar parallels with the central axis of described antifriction-bearing box.
In preferred embodiment of the utility model, the thickness of described wheel hub and described seal ring is identical, and the thickness of described aluminium core is less than the thickness of described seal ring.
In preferred embodiment of the utility model, the cross section of described groove is isosceles trapezoid, and the length of the bottom of described groove is less than the length at the top of described groove.
In preferred embodiment of the utility model, the cross section of the second periphery of described wheel hub is circular arc.
In preferred embodiment of the utility model, described aluminium core, wheel hub and the central axis of seal ring and the central axis of described antifriction-bearing box coincide.
The beneficial effects of the utility model are: the utility model aluminium core escalator roller is by being fixedly connected with wheel hub between seal ring and aluminium core, reduced noise in roller operational process, improved the stability of roller, effectively prevent the cracking of aluminium core or seal ring, the service life of having improved roller.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the utility model embodiment, below the accompanying drawing of required use during embodiment is described is briefly described, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing, wherein:
Fig. 1 is the front view of aluminium core escalator roller of the present utility model one preferred embodiment;
Fig. 2 is that the A-A of Fig. 1 is to cutaway view;
In accompanying drawing, the mark of each parts is as follows: 1, antifriction-bearing box; 2, aluminium core; 21, the first inner headed face; 22, the first periphery; 23, groove; 3, wheel hub; 31, the second inner headed face; 32, the second periphery; 33, projection; 4, seal ring; 41, the 3rd inner headed face; 42, the 3rd periphery; 5, collar; 51, back-up ring; 52, guard hoop.
The specific embodiment
To the technical scheme in the utility model embodiment be clearly and completely described below, obviously, described embodiment is only a part of embodiment of the present utility model, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making all other embodiment that obtain under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1 to Fig. 2, the utility model embodiment comprises:
A kind of aluminium core escalator roller, comprise: antifriction-bearing box 1, aluminium core 2, wheel hub 3 and seal ring 4, described aluminium core 2 arranges cylindrical, described aluminium core 2 comprises the first inner headed face 21 and the first periphery 22, described the first periphery 22 is provided with the groove 23 of a ring shape, described wheel hub 3 comprises the second inner headed face 31 and the second periphery 32, described the second inner headed face 31 is provided with the annular projection 33 matching with described groove 23, described seal ring 4 comprises the 3rd inner headed face 41 and the 3rd periphery 42, described the second periphery 32 matches with described the 3rd inner headed face 41, described aluminium core 2 is fixedly connected on described antifriction-bearing box 1, described wheel hub 3 is fixedly connected between described aluminium core 2 and described seal ring 4.Compared with roller of the prior art, between seal ring 4 and aluminium core 2, be also fixedly connected with wheel hub 3, by groove 23 and projection 33 coordinate, the second inner headed face 31 of wheel hub 3 is connected with the first periphery 22 of aluminium core 2, by matching of the second periphery 32 and the 3rd inner headed face 41, wheel hub 3 is fixedly connected with seal ring 4, and this structure has not only reduced the operation noise of roller, also effectively prevent seal ring 4 and the easily problem of cracking of aluminium core 2, the service life of having improved roller.
In addition, described aluminium core escalator roller also comprises two collars 5, described collar 5 comprises back-up ring 51 and two guard hoops 52 of circular arc, and the two ends of described circular arc back-up ring 51 are fixedly connected with respectively a guard hoop 52, and described collar 5 is fixedly connected on the both sides of described antifriction-bearing box 1.Collar 5, for being connected with the staircase of escalator, has improved the Joint strenght of roller and staircase.
In addition, the central axis of described collar 5 parallels and does not coincide with the central axis of described antifriction-bearing box 1, makes roller in the process of operation, and force dispersion, is not easy to cause the cracking of seal ring 4.
In addition; described wheel hub 3 is identical with the thickness of described seal ring 4; the thickness of described aluminium core 2 is less than the thickness of described seal ring 4; as shown in Figure 2; the thickness of seal ring 4 and wheel hub 3 is greater than the thickness of aluminium core 2, guarantees that aluminium core 2 is not easy to occur cracking and damages, when can better protecting aluminium core 2; reduce again the noise in roller operational process, improved the bearing capacity of aluminium core 2.
In addition; the cross section of described groove 23 is isosceles trapezoid; the length of the bottom of described groove 23 is less than the length at the top of described groove 23; groove 23 was fixed together aluminium core 2 and wheel hub 3 with coordinating better of projection 33; even in the process of roller operation; also protect the heavy keying fit of aluminium core 2 and wheel hub 3, prevented that wheel hub 3 is shifted, improved the service life of aluminium core 2.
In addition, the second periphery 32 cross sections of described wheel hub 3 are circular arc, same in order better wheel hub 3 to be fixedly connected with seal ring 4, the second periphery 32 of wheel hub 3 is provided with to the cross section structure of circular arc, wheel hub 3 edges are greater than the center of wheel hub 3 to the distance of the central axis of antifriction-bearing box 1 to the distance of the central axis of antifriction-bearing box 1, because described the second periphery 32 matches with described the 3rd inner headed face 41, so the edge of the 3rd inner headed face 41 is less than the center of the 3rd inner headed face 41 to the distance of the central axis of antifriction-bearing box 1 to the distance of the central axis to antifriction-bearing box 1, rely on the second periphery 32 to coordinate with the arc surface of the 3rd inner headed face 41, even in the process of roller operation, can there is not mutual movement with seal ring 4 in wheel hub 3 yet, improve the safety and stability that be connected of wheel hub 3 with seal ring 4, thereby improve the smoothness of roller operation.
In addition, the central axis of described aluminium core 2, wheel hub 3 and seal ring 4 and the central axis of described antifriction-bearing box 1 coincide, and improve the smoothness of roller operational process.
In addition, described seal ring 4 is made by polyurethane material, and described wheel hub 3 is made for polyamide material.Polyurethane material excellent performance, has that fabulous quality is light, resistance to abrasion good, water resistance is good, and polyamide material wear resisting property is good, friction coefficient is little.
The utility model aluminium core escalator roller is by being fixedly connected with wheel hub between seal ring and aluminium core, reduced noise in roller operational process, improved the stability of roller, effectively prevents the cracking of aluminium core or seal ring, the service life of having improved roller.
Be different from prior art, the utility model aluminium core escalator roller noise is low, good stability, degree of operating steadily are good, the cracking that effectively prevents aluminium core or seal ring, the service life of having improved roller.
The foregoing is only embodiment of the present utility model; not thereby limit the scope of the claims of the present utility model; every equivalent structure or conversion of equivalent flow process that utilizes the utility model description to do; or be directly or indirectly used in other relevant technical field, be all in like manner included in scope of patent protection of the present utility model.
Claims (7)
1. an aluminium core escalator roller, it is characterized in that, comprise: antifriction-bearing box, aluminium core, wheel hub and seal ring, described aluminium core arranges cylindrical, described aluminium core comprises the first inner headed face and the first periphery, described the first periphery is provided with the groove of a ring shape, described wheel hub comprises the second inner headed face and the second periphery, described the second inner headed face is provided with the annular projection matching with described groove, described seal ring comprises the 3rd inner headed face and the 3rd periphery, described the second periphery matches with described the 3rd inner headed face, described aluminium core is fixedly connected on described antifriction-bearing box, described wheel hub is fixedly connected between described aluminium core and described seal ring.
2. aluminium core escalator roller according to claim 1, it is characterized in that, described aluminium core escalator roller also comprises two collars, described collar comprises back-up ring and two guard hoops of circular arc, the two ends of described circular arc back-up ring are fixedly connected with respectively a guard hoop, and described collar is fixedly connected on the both sides of described antifriction-bearing box.
3. aluminium core escalator roller according to claim 2, is characterized in that, the central axis of described collar parallels with the central axis of described antifriction-bearing box.
4. aluminium core escalator roller according to claim 1, is characterized in that, the thickness of described wheel hub and described seal ring is identical, and the thickness of described aluminium core is less than the thickness of described seal ring.
5. aluminium core escalator roller according to claim 1, is characterized in that, the cross section of described groove is isosceles trapezoid, and the length of the bottom of described groove is less than the length at the top of described groove.
6. aluminium core escalator roller according to claim 1, is characterized in that, the cross section of the second periphery of described wheel hub is circular arc.
7. aluminium core escalator roller according to claim 1, is characterized in that, described aluminium core, wheel hub and the central axis of seal ring and the central axis of described antifriction-bearing box coincide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320728459.4U CN203612794U (en) | 2013-11-19 | 2013-11-19 | Aluminum core escalator roller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320728459.4U CN203612794U (en) | 2013-11-19 | 2013-11-19 | Aluminum core escalator roller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203612794U true CN203612794U (en) | 2014-05-28 |
Family
ID=50765453
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320728459.4U Withdrawn - After Issue CN203612794U (en) | 2013-11-19 | 2013-11-19 | Aluminum core escalator roller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203612794U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103626017A (en) * | 2013-11-19 | 2014-03-12 | 苏州飞格立工程塑料有限公司 | Escalator idler wheel with aluminum core |
| CN106044500A (en) * | 2016-06-28 | 2016-10-26 | 依合斯工程塑胶（上海）有限公司 | Lift door pulley and production method thereof |
| CN113494518A (en) * | 2021-07-31 | 2021-10-12 | 秦皇岛中德实业有限公司 | Roller structure of bottle fixing component of labeling machine |
-
2013
- 2013-11-19 CN CN201320728459.4U patent/CN203612794U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103626017A (en) * | 2013-11-19 | 2014-03-12 | 苏州飞格立工程塑料有限公司 | Escalator idler wheel with aluminum core |
| CN103626017B (en) * | 2013-11-19 | 2016-02-03 | 苏州飞格立工程塑料有限公司 | A kind of aluminium core escalator roller |
| CN106044500A (en) * | 2016-06-28 | 2016-10-26 | 依合斯工程塑胶（上海）有限公司 | Lift door pulley and production method thereof |
| CN113494518A (en) * | 2021-07-31 | 2021-10-12 | 秦皇岛中德实业有限公司 | Roller structure of bottle fixing component of labeling machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140528 Effective date of abandoning: 20160203 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |