CN203612795U - Escalator idler wheel - Google Patents
Escalator idler wheel Download PDFInfo
- Publication number
- CN203612795U CN203612795U CN201320728513.5U CN201320728513U CN203612795U CN 203612795 U CN203612795 U CN 203612795U CN 201320728513 U CN201320728513 U CN 201320728513U CN 203612795 U CN203612795 U CN 203612795U
- Authority
- CN
- China
- Prior art keywords
- ring
- outer ring
- antifriction
- bearing box
- side plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000005096 rolling process Methods 0.000 claims abstract description 15
- 238000005260 corrosion Methods 0.000 abstract description 7
- 230000007797 corrosion Effects 0.000 abstract description 7
- 238000005299 abrasion Methods 0.000 abstract description 2
- 230000014759 maintenance of location Effects 0.000 abstract 2
- 238000000034 method Methods 0.000 description 4
- 239000000428 dust Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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Abstract
The utility model discloses an escalator idler wheel, comprising a rolling bearing and a seal ring. The rolling bearing comprises a first inner ring, a first outer ring, a retention frame and multiple rolling bodies arranged on the retention frame; the seal ring comprises an second inner ring and a second outer ring; the second inner ring comprises two first step surfaces and one second step surface; the first step surfaces and the second step surface are annular surfaces; the distance from the second step surface to the second outer ring is smaller than the distance from the first step surfaces to the second outer ring. The second step surface is abutted against the first outer ring. The seal ring is fixedly connected onto the rolling bearing by the second inner ring. By the mode, the escalator idler wheel is good in abrasion resistance, waterproofness and corrosion resistance, good in operation stability, small in noise and long in service life.
Description
Technical field
The utility model relates to escalator technical field, particularly relates to a kind of escalator roller.
Background technology
Along with a flickering high building is rised sheer from level ground, escalator has become the main means of delivery of conveying crowd and goods, and to have traffic capacity large because of it for escalator, durable in use, the advantage such as operate steadily, be widely used in the market that passenger flow volume is concentrated relatively, supermarket, station, the public places such as harbour, but roller is as the important parts of escalator, quality and the service life of escalator are determined in the quality of roller and service life, escalator is in operational process, inevitably can be subjected to dust, the corrosion of moisture, have a strong impact on the service life of roller, and then have influence on service life of escalator.
Utility model content
The technical matters that the utility model mainly solves is to provide that a kind of wear resisting property is good, good waterproof performance, good corrosion resistance, good operation stability, noise are little, the escalator roller of long service life.
For solving the problems of the technologies described above, the utility model provides a kind of escalator roller, comprise: antifriction-bearing box and a seal ring, described antifriction-bearing box comprises the first inner ring, the first outer ring, retainer and multiple rolling body, described retainer is arranged between described the first inner ring and described the first outer ring, described multiple rolling body is arranged on described retainer, described seal ring comprises the second inner ring and the second outer ring, described the second inner ring comprises two First terraces and a second step face, described First terrace lays respectively at the both sides of described second step face, described First terrace and second step face are all ring surface, described second step face is less than the distance of described First terrace to described the second outer ring to the distance of described the second outer ring, described second step face and described the first outer ring connect, described seal ring is fixedly connected on described antifriction-bearing box by described the second inner ring.
In preferred embodiment of the utility model, described escalator roller also comprises two seal cover caps, described seal cover cap comprises the first perpendicular side plate and the second side plate, described the first side plate is fixedly connected on described antifriction-bearing box, described the second side plate is connected with described First terrace, and two described seal cover caps are fixedly connected on respectively the both sides of described antifriction-bearing box.
In preferred embodiment of the utility model, the second side plate of described seal cover cap is provided with annular projection, and described First terrace is provided with the annular groove matching with described projection.
In preferred embodiment of the utility model, the cross section of described projection and the cross section of described groove are all equicrural triangle, and described leg-of-mutton right angle place is provided with rounding.
In preferred embodiment of the utility model, described seal ring also comprises the lateral surface perpendicular with described the second outer ring, and described lateral surface is with mutually concordant with the first side plate of described seal cover cap.
In preferred embodiment of the utility model, the second outer ring of described seal ring is provided with rounding.
The beneficial effects of the utility model are: the utility model escalator roller is protected antifriction-bearing box by seal ring and seal cover cap; water-proofness, resistance to abrasion and the corrosion stability of roller are improved; thereby effectively increase the stationarity of roller; reduce the operation noise of roller, improved the service life of 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 escalator roller one preferred embodiment of the present utility model;
Fig. 2 be in Fig. 1 A-A to generalized section;
Fig. 3 is the enlarged diagram at the B place of Fig. 2;
In accompanying drawing, the mark of each parts is as follows: 1, antifriction-bearing box; 11, the first inner ring; 12, the first outer ring; 13, retainer; 14, rolling body; 2, seal ring; 21, the second outer ring; 22, First terrace; 23, second step face; 24, groove; 25, lateral surface; 3, seal cover cap; 31, the first side plate; 32, the second side plate; 33, projection.
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. 3, the utility model embodiment comprises:
A kind of escalator roller, comprise: antifriction-bearing box 1 and a seal ring 2, described antifriction-bearing box 1 comprises the first inner ring 11, the first outer ring 12, retainer 13 and multiple rolling body 14, described retainer 13 is arranged between described the first inner ring 11 and described the first outer ring 12, described multiple rolling body 14 is arranged on described retainer 13, and roll and be connected between described the first inner ring 11 and described the first outer ring 12 by described retainer 13, described seal ring 2 comprises the second inner ring and the second outer ring 21, described the second inner ring comprises two First terraces 22 and a second step face 23, described First terrace 22 lays respectively at the both sides of described second step face 23, it is First terrace 22, second step face 23 and First terrace 22 set gradually stepped, First terrace 22 and second step face 23 are all ring surface, described second step face 23 is less than the distance of described First terrace 22 to described the second outer ring 21 to the distance of described the second outer ring 21, described second step face 23 matches with described the first outer ring 12, described seal ring 2 is fixedly connected on described antifriction-bearing box 1 by described the second inner ring.
Rolling body 14 is evenly distributed between the first inner ring 11 and described the first outer ring 12 by means of retainer 13, retainer 13 can make rolling body 14 be uniformly distributed, prevent that rolling body 14 from coming off, guide rolling body 14 to rotate and play lubricating effect, second step face 23 is equivalent to a groove on the second inner ring, by two First terraces 22 and a second step face 23, seal ring 2 is fixedly connected on antifriction-bearing box 1, increase the stationarity of roller, reduce the noise of roller, and seal ring 2 is made by TPUE rubber, therefore, seal ring 2 rotproofness are high, good springiness, oil resistance is good, can better protect antifriction-bearing box 1, thereby improve the service life of roller.
In addition, described escalator roller also comprises two seal cover caps 3, described seal cover cap 3 comprises the first perpendicular side plate 31 and the second side plate 32, described the first side plate 31 is fixedly connected on described antifriction-bearing box 1, described the second side plate 32 is connected with described First terrace 22, and two described seal cover caps 3 are fixedly connected on respectively the both sides of described antifriction-bearing box 1.Again as shown in Figure 2, two seal cover caps 3 are fixedly connected on respectively on two sides of antifriction-bearing box 1, effectively prevent that dust or moisture from infecting antifriction-bearing box 1, prevent that antifriction-bearing box 1 from corrosion occurring, and improve the service life of antifriction-bearing box 1.
In addition, the second side plate 32 of described seal cover cap 3 is provided with annular projection 33, and described First terrace 22 is provided with and the described protruding 33 annular grooves 24 that match.Again as shown in Figure 3, groove 24 on the projection 33 of seal cover cap 3 and the second side plate 32 is used in combination, fastness and stability that seal cover cap 3 is connected with seal ring 2 are improved, the seal ring 2 making and seal cover cap 3 can better match with antifriction-bearing box 1, to play waterproof and dustproof and antirust effect, improve the service life of antifriction-bearing box 1, improve stability and the running stability of antifriction-bearing box 1, reduce the noise of antifriction-bearing box 1.
In addition, the cross section of described protruding 33 cross section and described groove 24 is all equicrural triangle, and described leg-of-mutton right angle place is provided with rounding.This structure makes the cooperation of seal ring 2 and seal cover cap 3 tightr, and in the process of roller operation, the application force between seal ring 2 and seal cover cap 3 is more stable, extends the service life of seal ring 2 and seal cover cap 3.
In addition, described seal ring 2 also comprises the lateral surface 25 perpendicular with described the second outer ring 21, and described lateral surface 25 is with mutually concordant with the first side plate 31 of described seal cover cap 3.Make like this seal ring 2, seal cover cap 3 and antifriction-bearing box 1 do as a whole, not only compacter in structure, more stable in installation and operation process.
In addition, the second outer ring 21 of described seal ring 2 is provided with rounding, and the edge of the first side plate 31 is also provided with rounding, and these roundings make the round and smooth nature of outward flange transition of roller, has improved the operation stability of roller.
The utility model escalator roller by being equiped with seal ring in the periphery of antifriction-bearing box; both sides at antifriction-bearing box are provided with seal cover cap; protect antifriction-bearing box by seal ring and seal cover cap, the surface corrosion-resistant of seal ring is high, good springiness; oil resistance is good; seal ring plays waterproof and dustproof, antirust effect together with seal cover cap, can better protect antifriction-bearing box, thereby effectively increase the stationarity of roller; reduce the operation noise of roller, improved the service life of roller.
Be different from prior art, the utility model escalator roller wear resisting property is good, good waterproof performance, good corrosion resistance, good operation stability, noise are little, the long service life of 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 (6)
1. an escalator roller, it is characterized in that, comprise: antifriction-bearing box and a seal ring, described antifriction-bearing box comprises the first inner ring, the first outer ring, retainer and multiple rolling body, described retainer is arranged between described the first inner ring and described the first outer ring, described multiple rolling body is arranged on described retainer, described seal ring comprises the second inner ring and the second outer ring, described the second inner ring comprises two First terraces and a second step face, described First terrace lays respectively at the both sides of described second step face, described First terrace and second step face are all ring surface, described second step face is less than the distance of described First terrace to described the second outer ring to the distance of described the second outer ring, described second step face and described the first outer ring connect, described seal ring is fixedly connected on described antifriction-bearing box by described the second inner ring.
2. escalator roller according to claim 1, it is characterized in that, described escalator roller also comprises two seal cover caps, described seal cover cap comprises the first perpendicular side plate and the second side plate, described the first side plate is fixedly connected on described antifriction-bearing box, described the second side plate is connected with described First terrace, and two described seal cover caps are fixedly connected on respectively the both sides of described antifriction-bearing box.
3. escalator roller according to claim 2, is characterized in that, the second side plate of described seal cover cap is provided with annular projection, and described First terrace is provided with the annular groove matching with described projection.
4. escalator roller according to claim 3, is characterized in that, the cross section of described projection and the cross section of described groove are all equicrural triangle, and described leg-of-mutton right angle place is provided with rounding.
5. escalator roller according to claim 2, is characterized in that, described seal ring also comprises the lateral surface perpendicular with described the second outer ring, and described lateral surface is with mutually concordant with the first side plate of described seal cover cap.
6. escalator roller according to claim 1, is characterized in that, the second outer ring of described seal ring is provided with rounding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320728513.5U CN203612795U (en) | 2013-11-19 | 2013-11-19 | Escalator idler wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320728513.5U CN203612795U (en) | 2013-11-19 | 2013-11-19 | Escalator idler wheel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203612795U true CN203612795U (en) | 2014-05-28 |
Family
ID=50765454
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320728513.5U Expired - Lifetime CN203612795U (en) | 2013-11-19 | 2013-11-19 | Escalator idler wheel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203612795U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103626016A (en) * | 2013-11-19 | 2014-03-12 | 苏州飞格立工程塑料有限公司 | Escalator rolling wheel |
-
2013
- 2013-11-19 CN CN201320728513.5U patent/CN203612795U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103626016A (en) * | 2013-11-19 | 2014-03-12 | 苏州飞格立工程塑料有限公司 | Escalator rolling wheel |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140528 |
|
| CX01 | Expiry of patent term |