CN203655886U - Idler wheel - Google Patents
Idler wheel Download PDFInfo
- Publication number
- CN203655886U CN203655886U CN201420031108.2U CN201420031108U CN203655886U CN 203655886 U CN203655886 U CN 203655886U CN 201420031108 U CN201420031108 U CN 201420031108U CN 203655886 U CN203655886 U CN 203655886U
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- Prior art keywords
- ring
- wheel carrier
- roller
- type wheel
- carrier portion
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- Expired - Lifetime
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- 239000000463 material Substances 0.000 claims abstract description 7
- 230000002093 peripheral effect Effects 0.000 claims description 20
- 229920002635 polyurethane Polymers 0.000 claims description 4
- 239000004814 polyurethane Substances 0.000 claims description 4
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 229930040373 Paraformaldehyde Natural products 0.000 claims description 2
- 229920001971 elastomer Polymers 0.000 claims description 2
- -1 polyoxymethylene Polymers 0.000 claims description 2
- 229920006324 polyoxymethylene Polymers 0.000 claims description 2
- 239000006185 dispersion Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000011161 development Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000956 alloy Substances 0.000 description 1
- 238000013475 authorization Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000007731 hot pressing Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
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Abstract
The utility model provides an idler wheel belonging to the technical field of machinery and solving the technical problems that a wheel housing and a wheel frame of an existing idler wheel are easily separated and the like. The idler wheel comprises a wheel body and a bearing, wherein the wheel body is made into an integrated structure by adopting the same material, and is provided with an annular wheel frame part and an annular wheel housing part which are coaxially arranged together with the bearing, the outer ring of the bearing is sleeved by the inner circumferential surface of the annular wheel frame part, the annular wheel frame part is located in the wheel housing part and the outer circumferential surface of the annular wheel frame part is located on the inner circumferential surface of the wheel housing part, and the wheel housing part and the annular wheel frame part are coaxially arranged. The wheel housing part and the annular wheel frame part in the idler wheel are not easily separated.
Description
Technical field
The utility model belongs to mechanical field, relates to a kind of roller.
Background technique
Elevator is generally applied to large place and the higher buildings of floor of the volume of the flow of passengers such as market, supermarket, subway, airport, should have safe, comfortable, environmental protection, the feature such as durable, and roller is the important parts in elevator.Roller mainly comprises bearing and wheel carrier, bearing and wheel carrier generally adopt alloy material to make separately, then wheel carrier is set on the outer ring of bearing, this mode makes to exist between bearing and wheel carrier certain space, affected the compatible degree between bearing and wheel carrier, and install and make wheel carrier all cumbersome.
The applicant is once in the utility model patent of 03 Yue13Xiang State Intellectual Property Office in 2012 application the one section of a kind of escalator roller (CN202465010U) by name of having obtained the authorization, this roller comprises bearing, bearing outer ring is arranged with wheel carrier, wheel carrier comprises annular wheel carrier inner ring and annular wheel carrier outer ring, wheel carrier inner ring is socketed in outside bearing outer ring by friction tight mode, between wheel carrier inner ring and wheel carrier outer ring, be provided with supporting structure, and wheel carrier inner ring, wheel carrier outer ring and supporting structure form integral structure, on the outer circumferential face of wheel carrier outer ring, cover has hub.
But, between the hub portion of above-mentioned rollers and wheel carrier, be split type, along with the continuous use of roller, between hub and wheel carrier, easily produce the situations such as separation, the normal use that affects roller even affects personal safety.
Summary of the invention
The utility model is the problems referred to above that exist for existing technology, and a kind of roller is provided, and technical problem to be solved in the utility model is: the probability how to separate with wheel carrier by reducing hub, thereby the stability in use of raising roller.
The purpose of this utility model can realize by following technical proposal:
A kind of roller, described roller comprises wheel body and bearing, it is characterized in that, described wheel body adopts same material to make integral structure, have and the ring-type wheel carrier portion of described coaxial bearing setting and hub portion in the form of a ring, the inner peripheral surface of described ring-type wheel carrier portion is socketed on the outer ring of described bearing, and the outer circumferential face that described ring-type wheel carrier portion is positioned at hub portion and ring-type wheel carrier portion is positioned on the inner peripheral surface of described hub portion, and described hub portion and described ring-type wheel carrier portion coaxially arrange.
Its working principle is as follows: the outer circumferential face of the hub portion inner peripheral surface of this roller and ring-type wheel carrier portion forms integral structure, and connective stability is between the two good, even if being used, the long period is also difficult for separating, thus the stability in use of raising roller entirety.
In above-mentioned a kind of roller, the both sides of described ring-type wheel carrier portion are plane or inclined-plane.The both sides of ring-type wheel carrier portion are designed to plane, and its difficulty of processing is relatively little, can reduce development cost.
In above-mentioned a kind of roller, the both sides of described ring-type wheel carrier portion all offer an annular groove one, and described annular groove one coaxially arranges with described ring-type wheel carrier portion.Annular groove one is offered in both sides in ring-type wheel carrier portion, and after the outer circumferential face of hub portion is stressed, elastic strain can occur the sidewall of annular groove one, thereby can play the effect of dispersion forces, improves the working life of wheel body; Meanwhile, also can save certain material after offering annular groove one, reduce production costs.
In above-mentioned a kind of roller, the both sides of described ring-type wheel carrier portion all offer several trapezoidal grooves, and are positioned at trapezoidal groove being circumferentially uniformly distributed along this ring-type wheel carrier portion on described ring-type wheel carrier portion the same side.Several trapezoidal grooves are offered in both sides in ring-type wheel carrier portion, after the outer circumferential face of hub portion is stressed, can there is equally elastic strain in the sidewall of trapezoidal groove, thereby can play the effect of dispersion forces, improve the working life of wheel body, and two hypotenuses of trapezoidal groove also can play certain reinforing function, ensure the bulk strength of ring-type wheel carrier portion, finally, offer after trapezoidal groove, also can save certain material.
In above-mentioned a kind of roller, the outer circumferential face of described hub portion is plane, convex surface or concave surface.The outer circumferential face of hub portion is plane, can reduce development difficulty; The outer circumferential face of hub portion is convex surface or concave surface, can prevent from breakking away, thereby also because the lifting surface area that has increased roller hub increases the frictional force between roller and the working surface matching, improve and move fluency.
In above-mentioned a kind of roller, on the inner peripheral surface of described ring-type wheel carrier portion, offer one with the annular groove two of this coaxial setting of ring-type wheel carrier portion, the outer ring of described bearing is embedded in described annular groove two.On the inner peripheral surface of ring-type wheel carrier portion, be designed with after annular groove two assembling of convenience and bearing; When assembling, both can adopt the mode of hot pressing, and simple to operation, and connective stability is good.
In above-mentioned a kind of roller, described bearing is sliding bearing, and the width of the inner peripheral surface of described ring-type wheel carrier portion is greater than the width of the outer ring of described bearing.The width of the inner peripheral surface of ring-type wheel carrier portion is greater than the width of the outer ring of bearing, can wrap up bearing, improves connective stability between the two.
In above-mentioned a kind of roller, the width of the inner peripheral surface of described ring-type wheel carrier portion is less than the width of the outer ring of described bearing.
In above-mentioned a kind of roller, described wheel body adopts plastics or rubber to make.
In above-mentioned a kind of roller, described wheel body adopts polyurethane or ABS plastic to make.
Compared with prior art, the utlity model has following advantage:
1, the outer circumferential face of the hub portion inner peripheral surface of this roller and ring-type wheel carrier portion forms integral structure, and connective stability is between the two good, even if being used, the long period is also difficult for separating, thus the stability in use of raising roller entirety;
2, offer annular groove one in the both sides of ring-type wheel carrier portion, after the outer circumferential face of hub portion is stressed, can there is elastic strain in the sidewall of annular groove one, thereby play the effect of dispersion forces; Meanwhile, also can save certain material after offering annular groove one, reduce production costs;
3, offer several trapezoidal grooves in the both sides of ring-type wheel carrier portion, after the outer circumferential face of hub portion is stressed, can there is equally elastic strain in the sidewall of trapezoidal groove, thereby play the effect of dispersion forces, and two hypotenuses of trapezoidal groove also can play certain reinforing function, ensure the bulk strength of ring-type wheel carrier portion;
4, the outer circumferential face of hub portion is plane, can reduce development difficulty; The outer circumferential face of hub portion is convex surface or concave surface, can prevent from breakking away, thereby also because the lifting surface area that has increased roller hub increases the frictional force between roller and the working surface matching, improve and move fluency.
Brief description of the drawings
Fig. 1 is the plan view of this roller in embodiment one.
Fig. 2 is the sectional view of this roller in embodiment one.
Fig. 3 is the plan view of this roller in embodiment two.
Fig. 4 is the sectional view of this roller in embodiment two.
Fig. 5 is the plan view of this roller in embodiment three.
Fig. 6 is the sectional view of this roller in embodiment three.
Fig. 7 is the plan view of this roller in embodiment four.
Fig. 8 is the sectional view of this roller in embodiment four.
Fig. 9 is the plan view of this roller in embodiment five.
Figure 10 is the sectional view of this roller in embodiment five.
Figure 11 is the plan view of this roller in embodiment six.
Figure 12 is the sectional view of this roller in embodiment six.
Figure 13 is the plan view of this roller in embodiment seven.
Figure 14 is the sectional view of this roller in embodiment seven.
Figure 15 is the plan view of this roller in embodiment eight.
Figure 16 is the sectional view of this roller in embodiment eight.
Figure 17 is the plan view of this roller in embodiment nine.
Figure 18 is the sectional view of this roller in embodiment nine.
Figure 19 is the plan view of this roller in embodiment ten.
Figure 20 is the sectional view of this roller in embodiment ten.
Figure 21 is the plan view of this roller in embodiment 11.
Figure 22 is the sectional view of this roller in embodiment 11.
Figure 23 is the plan view of this roller in embodiment 12.
Figure 24 is the sectional view of this roller in embodiment 12.
In figure, 1, bearing; 2, wheel body; 21, ring-type wheel carrier portion; 211, the inner peripheral surface of ring-type wheel carrier portion; 22, hub portion; 221, the outer circumferential face of hub portion; 3, annular groove one; 4, trapezoidal groove; 5, annular groove two.
Embodiment
Be below specific embodiment of the utility model by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiments.
Embodiment one:
As Fig. 1, shown in Fig. 2, 1, this roller comprises wheel body 2 and bearing 1, wheel body 2 adopts same material to make integral structure, have and the ring-type wheel carrier portion 21 of the coaxial setting of bearing 1 and hub portion 22 in the form of a ring, the inner peripheral surface 211 of ring-type wheel carrier portion 21 is socketed on the outer ring of bearing 1, the outer circumferential face that ring-type wheel carrier portion 21 is positioned at hub portion 22 and ring-type wheel carrier portion 21 is positioned on the inner peripheral surface of hub portion 22, hub portion 22 and ring-type wheel carrier portion 21 coaxially arrange, wheel body 2 adopts plastics or polyurethane to make, preferential polyoxymethylene or the polyurethane of adopting in the present embodiment, ABS plastic is made.In the present embodiment, the outer circumferential face 221 of hub portion is plane, the both sides of ring-type wheel carrier portion 21 are plane, on the inner peripheral surface 211 of ring-type wheel carrier portion, offer one with the annular groove 25 of these ring-type wheel carrier portion 21 coaxial settings, the outer ring of bearing 1 is embedded in annular groove 25, in the present embodiment, bearing 1 is sliding bearing.The width of the inner peripheral surface 211 of ring-type wheel carrier portion is greater than the width of the outer ring of bearing 1.The bearing of roller is sliding bearing, and bearing outer wall and wheel body inner ring closely cooperate, and between bearing inner wall and axle, leave suitable space, make roller axle flexible rotating relatively.Bearing also can be ball bearing or needle bearing.If the bearing of roller is standard or off-gauge ball bearing and needle bearing, bearing outer ring and wheel body inner ring closely cooperate, and bearing inner race is fixed on axle, between bearing outer ring and bearing inner race, be provided with ball or needle roller and can make bearing outer ring and bearing inner race relatively rotate, said structure design makes bearing outer ring can rotate relative to bearing inner race with wheel body.
Working principle of the present utility model is: the outer circumferential face of the hub portion inner peripheral surface of this roller and ring-type wheel carrier portion forms integral structure, connective stability is between the two good, even if being used, the long period is also difficult for separating, thus the stability in use of raising roller entirety.
Embodiment two:
As shown in Figure 3, Figure 4, the structure in the present embodiment and embodiment one are roughly the same, and difference is, the outer circumferential face 221 of the hub portion in the present embodiment is concave surface, and the cross section of this concave surface is part-annular.
Embodiment three:
As shown in Figure 5, Figure 6, the structure in the present embodiment and embodiment one are roughly the same, and difference is, the outer circumferential face 221 of the hub portion in the present embodiment is convex surface.
Embodiment four:
As shown in Figure 7, Figure 8, structure in the present embodiment and embodiment one are roughly the same, and difference is, the both sides of the ring-type wheel carrier portion 21 in the present embodiment all offer an annular groove 1, annular groove 1 coaxially arranges with ring-type wheel carrier portion 21, and the cross section of this annular groove 1 is semicircle shape.
Embodiment five:
As shown in Figure 9, Figure 10, the structure in the present embodiment and embodiment four are roughly the same, and difference is, the outer circumferential face 221 of the hub portion in the present embodiment is concave surface, and the cross section of this concave surface is part-annular.
Embodiment six:
As shown in Figure 11, Figure 12, the structure in the present embodiment and embodiment four are roughly the same, and difference is, the outer circumferential face 221 of the hub portion in the present embodiment is convex surface.
Embodiment seven:
As shown in Figure 13, Figure 14, structure in the present embodiment and embodiment one are roughly the same, difference is, in the present embodiment, the both sides of ring-type wheel carrier portion 21 all offer several trapezoidal grooves 4, and are positioned at trapezoidal groove 4 being circumferentially uniformly distributed along this ring-type wheel carrier portion 21 on ring-type wheel carrier portion 21 the same sides.
Embodiment eight:
As shown in Figure 15, Figure 16, the structure in the present embodiment and embodiment seven are roughly the same, and difference is, the outer circumferential face 221 of the hub portion in the present embodiment is concave surface, and the cross section of this concave surface is part-annular.
Embodiment nine:
As shown in Figure 17, Figure 18, the structure in the present embodiment and embodiment seven are roughly the same, and difference is, the outer circumferential face 221 of the hub portion in the present embodiment is convex surface.
Embodiment ten:
As shown in Figure 19, Figure 20, the structure in the present embodiment and embodiment one are roughly the same, and difference is, the both sides of the ring-type wheel carrier portion 21 in the present embodiment are inclined-plane.
Embodiment 11:
As shown in Figure 21, Figure 22, the structure in the present embodiment and embodiment ten are roughly the same, and difference is, the outer circumferential face 221 of the hub portion in the present embodiment is concave surface, and the cross section of this concave surface is part-annular.
Embodiment 12:
As shown in Figure 23, Figure 24, the structure in the present embodiment and embodiment ten are roughly the same, and difference is, the outer circumferential face 221 of the hub portion in the present embodiment is convex surface.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various amendments or supplements or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Claims (10)
1. a roller, described roller comprises wheel body (2) and bearing (1), it is characterized in that, described wheel body (2) adopts same material to make integral structure, have and the ring-type wheel carrier portion (21) of the coaxial setting of described bearing (1) and hub portion (22) in the form of a ring, the inner peripheral surface (211) of described ring-type wheel carrier portion (21) is socketed on the outer ring of described bearing (1), the outer circumferential face that described ring-type wheel carrier portion (21) is positioned at hub portion (22) and ring-type wheel carrier portion (21) is positioned on the inner peripheral surface of described hub portion (22), described hub portion (22) and described ring-type wheel carrier portion (21) coaxially arrange.
2. roller according to claim 1, it is characterized in that, on the inner peripheral surface (211) of described ring-type wheel carrier portion, offer one with the annular groove two (5) of this coaxial setting of ring-type wheel carrier portion (21), the outer ring of described bearing (1) is embedded in described annular groove two (5).
3. roller according to claim 1, is characterized in that, the both sides of described ring-type wheel carrier portion (21) all offer an annular groove one (3), and described annular groove one (3) coaxially arranges with described ring-type wheel carrier portion (21).
4. roller according to claim 1, it is characterized in that, the both sides of described ring-type wheel carrier portion (21) all offer several trapezoidal grooves (4), and are positioned at trapezoidal groove (4) being circumferentially uniformly distributed along these ring-type wheel carrier portion (21) on described ring-type wheel carrier portion (21) the same side.
5. roller according to claim 1, is characterized in that, the both sides of described ring-type wheel carrier portion (21) are plane or inclined-plane.
6. according to the roller described in claim 1 or 2 or 3 or 4 or 5, it is characterized in that, the outer circumferential face (221) of described hub portion is plane, convex surface or concave surface.
7. according to the roller described in claim 1 or 2 or 3 or 4 or 5, it is characterized in that, the width of the inner peripheral surface (211) of described ring-type wheel carrier portion is less than the width of the outer ring of described bearing (1).
8. according to the roller described in claim 1 or 2 or 3 or 4 or 5, it is characterized in that, described bearing (1) is sliding bearing, and the width of the inner peripheral surface (211) of described ring-type wheel carrier portion is greater than the width of the outer ring of described bearing (1).
9. according to the roller described in claim 1 or 2 or 3 or 4 or 5, it is characterized in that, described wheel body adopts plastics or rubber to make.
10. roller according to claim 9, is characterized in that, described wheel body adopts polyoxymethylene, polyurethane or ABS plastic to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420031108.2U CN203655886U (en) | 2014-01-17 | 2014-01-17 | Idler wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420031108.2U CN203655886U (en) | 2014-01-17 | 2014-01-17 | Idler wheel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203655886U true CN203655886U (en) | 2014-06-18 |
Family
ID=50922277
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420031108.2U Expired - Lifetime CN203655886U (en) | 2014-01-17 | 2014-01-17 | Idler wheel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203655886U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106672769A (en) * | 2016-12-30 | 2017-05-17 | 苏州沃诺斯精密机械有限公司 | Roller for elevator |
| CN112429621A (en) * | 2020-12-04 | 2021-03-02 | 苏州飞格立工程塑料有限公司 | Roller for escalator or moving sidewalk and manufacturing method thereof |
-
2014
- 2014-01-17 CN CN201420031108.2U patent/CN203655886U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106672769A (en) * | 2016-12-30 | 2017-05-17 | 苏州沃诺斯精密机械有限公司 | Roller for elevator |
| CN112429621A (en) * | 2020-12-04 | 2021-03-02 | 苏州飞格立工程塑料有限公司 | Roller for escalator or moving sidewalk and manufacturing method thereof |
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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 | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140618 |