CN208814472U - A kind of stair step chain - Google Patents
A kind of stair step chain Download PDFInfo
- Publication number
- CN208814472U CN208814472U CN201821293697.6U CN201821293697U CN208814472U CN 208814472 U CN208814472 U CN 208814472U CN 201821293697 U CN201821293697 U CN 201821293697U CN 208814472 U CN208814472 U CN 208814472U
- Authority
- CN
- China
- Prior art keywords
- chain sheet
- idler wheel
- sleeve
- wheel hub
- bearing
- 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 - Fee Related
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- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
Abstract
The utility model discloses a kind of stair step chains, sleeve, idler wheel, limit plate, fixed plate and central axis, inner chain sheet is arranged in the both ends of the sleeve, and bearing is set in the two sides of between centers, axle sleeve is set between bearing simultaneously, the middle position of inner chain sheet is arranged in the limit plate, and it is ipsilateral with outer chain sheet, limit plate is diamond structure, the idler wheel is arranged on bearing, idler wheel includes rubber ring and wheel hub, and rubber ring is arranged on wheel hub, the two sides of idler wheel are arranged in the fixed plate, screw rod is set in fixed plate, idler wheel is connected by screw rod, the utility model structure is simple, using ladder shaft type sleeve, and cooperated by fixed plate and screw rod, ensure that lateral sliding will not occur for idler wheel, it does not rotate between outer chain sheet and shaft and between central axis and outer chain sheet simultaneously, turning for step chains is only realized by internal inner chain sheet It is dynamic, outer chain sheet during rotation impaired is avoided, the service life of step chains is extended.
Description
Technical field
The utility model relates to a kind of staircase component technology field, specifically a kind of stair step chain.
Background technique
The function of stair step chain is to draw the volume of escalator to move again and again, thus referred to as step haulage chain
Item or walkway steps traction chain, usually use in pairs.Step chains are mounted on the left and right sides of walkway steps, and
It is to be fixed on walkway steps by being fed through the pin shaft of scroll wheel and chain piece, thus during step chains are mobile,
Walkway steps also move；But this kind of step chains are in the course of rotation, be easy to cause between chain piece and central axis
Acutely rotation, to make chain piece that violent abrasion occur in the position, if things go on like this, it will lead to centre bore and the center of chain piece
Pitch between axis becomes larger, and influences the normal transmission of step chains.
Utility model content
The purpose of this utility model is to provide a kind of stair step chains, to solve mentioned above in the background art ask
Topic.
To achieve the above object, the utility model provides the following technical solutions:
A kind of stair step chain, sleeve, inner chain sheet, shaft, outer chain sheet, idler wheel, rubber ring, wheel hub, limit plate, screw, spiral shell
The both ends of inner chain sheet, and the interposition of sleeve is arranged in bar, fixed plate, bearing, axle sleeve, central axis and snap ring, the sleeve
Processing step between centers is set, and bearing is set in the two sides of between centers, while axle sleeve is set between bearing, the outer chain sheet setting exists
The outside of inner chain sheet, and shaft is set in sleeve, while snap ring is arranged at the both ends of shaft, guarantee that inner chain sheet and outer chain sheet connect
The middle position of inner chain sheet is arranged in the stability connect, the limit plate, and ipsilateral with outer chain sheet, and limit plate is diamond structure,
And be connected by screw on inner chain sheet, the idler wheel is arranged on bearing, and idler wheel includes rubber ring and wheel hub, and rubber ring setting exists
On wheel hub, the two sides of idler wheel are arranged in the fixed plate, and through-hole are processed on wheel hub, while screw rod being arranged in fixed plate,
Idler wheel is connected by screw rod, the central axis is arranged in exterior chain on piece, and by center axis connection inner chain sheet, and in central axis
Snap ring is arranged in outer end.
As a further solution of the present invention: 4 screws are arranged on the limit plate altogether, and the bevel edge of limit plate
It is 153 degree with horizontal angle.
It is distributed on wheel hub as a further solution of the present invention: the screw rod is rounded, and each wheel hub is equal
Corresponding eight screw rods.
As a further solution of the present invention: the rubber ring is manufactured by rubber material, with a thickness of 12 millimeters.
As a further solution of the present invention: the wheel hub with a thickness of 50 millimeters.
Compared with prior art, the utility model has the beneficial effects that the utility model structure is simple, using ladder shaft type
Sleeve, and cooperated by fixed plate and screw rod, idler wheel is fixed, it is ensured that lateral sliding will not occur for idler wheel, improve the steady of idler wheel
It is qualitative, while not rotating between outer chain sheet and shaft and between central axis and outer chain sheet, only pass through internal inner chain sheet
The rotation for realizing step chains avoids outer chain sheet during rotation impaired, extends the service life of step chains.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of stair step chain.
Fig. 2 is the overlooking structure diagram of stair step chain.
Fig. 3 is the structural schematic diagram of idler wheel in stair step chain.
Fig. 4 is the enlarged structure schematic diagram of idler wheel in stair step chain.
In figure: sleeve 1, inner chain sheet 2, shaft 3, outer chain sheet 4, idler wheel 5, rubber ring 51, wheel hub 52, limit plate 6, screw 7,
Screw rod 8, fixed plate 9, bearing 10, axle sleeve 11, central axis 12 and snap ring 13.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Please refer to Fig. 1~4, in the utility model embodiment, a kind of stair step chain, including sleeve 1, inner chain sheet 2, shaft
3, outer chain sheet 4, idler wheel 5, rubber ring 51, wheel hub 52, limit plate 6, screw 7, screw rod 8, fixed plate 9, bearing 10, axle sleeve 11, center
The both ends of inner chain sheet 2, and the middle position processing step between centers of sleeve 1 is arranged in axis 12 and snap ring 13, the sleeve 1, and
Bearing 10 is set in the two sides of between centers, while axle sleeve 11 is set between bearing 10, can so guarantee 1 uniform force of sleeve,
To guarantee the stabilization of idler wheel 5, the outside of inner chain sheet 2 is arranged in the outer chain sheet 4, and shaft 3 is arranged in sleeve 1, simultaneously
Snap ring 13, and the equal processing platform in both ends of shaft 3 are set at the both ends of shaft 3, will not be occurred between shaft 3 and outer chain sheet 4
Rotation, guarantees the stability that connect with outer chain sheet 4 of inner chain sheet 2, and the limit plate 6 is arranged in the middle position of inner chain sheet 2, and with
Outer chain sheet 4 is ipsilateral, and limit plate 6 is diamond structure, and connects on inner chain sheet 2 by screw 7 that such chain is folded or bent
When, it can be avoided inner chain sheet 2 and interfered with outer chain sheet 4, damage is generated to idler wheel 5, and avoid to inner chain sheet 2 and exterior chain
The connection of piece 4 generates damage, reduces bonding strength, and the idler wheel 5 is arranged on bearing 10, and idler wheel 5 includes rubber ring 51 and wheel hub
52, and rubber ring 51 is arranged on wheel hub 52, and the two sides of idler wheel 5 are arranged in the fixed plate 9, and process and lead on wheel hub 52
Hole, while screw rod 8 is set in fixed plate 9, idler wheel 5 is connected by screw rod 8, so guarantees that lateral sliding will not occur for idler wheel 5,
Extend the service life of chain.The central axis 12 is arranged on outer chain sheet 4, and central axis 12 is that bolt is connect with outer chain sheet 4, from
And central axis 12 will not relatively rotate with outer chain sheet 4, and connect inner chain sheet 2 by central axis 12, and in central axis 12
Snap ring 13 is arranged in outer end.
4 screws are set altogether on the limit plate 6, and the bevel edge of limit plate 6 and horizontal angle are 153 degree.
The screw rod 8 is rounded to be distributed on wheel hub 52, and each wheel hub 52 corresponds to eight screw rods 8.
The rubber ring 51 is manufactured by rubber material, with a thickness of 12 millimeters.
The wheel hub with a thickness of 50 millimeters.
The working principle of the utility model is: in use, installing bearing 10, and bearing 10 in the two sides of 1 between centers of sleeve
Using tapered roller bearing, the axial carrying capacity of idler wheel 5 can be increased, guarantee 1 uniform force of sleeve, extend making for idler wheel 5
With the service life, idler wheel 5 is installed, and cooperate screw rod 8 to be fixed on wheel hub 52 by fixed plate 9, and then increase bearing 10 on bearing 10
With the connective stability of idler wheel 5, guarantee idler wheel 5 without lateral sliding, inner chain sheet 2 is installed in the outside of fixed plate 9, inner chain sheet 2 it is outer
Side is installed by outer chain sheet 4, and the processing profiled hole on outer chain sheet 4, on 3 both ends of shaft and outer chain sheet 4 in sleeve 1 and irregularly-shaped hole
It is cooperatively connected, and is fixed by snap ring 13, to guarantee that outer chain sheet 4 and shaft 3 without relative rotation, are thusly-formed Trapezoid chain link list
Member, chain link, which is sequentially connected, can form staircase ladder chain.
Although the utility model is described in detail with reference to the foregoing embodiments, come for those skilled in the art
Say, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic into
Row equivalent replacement, within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on should all
It is included within the scope of protection of this utility model.
Claims (5)
1. a kind of stair step chain, including sleeve, inner chain sheet, shaft, outer chain sheet, idler wheel, rubber ring, wheel hub, limit plate, screw,
Screw rod, fixed plate, bearing, axle sleeve, central axis and snap ring, which is characterized in that the both ends of inner chain sheet are arranged in the sleeve, and
The middle position processing step between centers of sleeve, and in the two sides of between centers, bearing is set, while axle sleeve is set between bearing, it is described
The outside of inner chain sheet is arranged in outer chain sheet, and shaft is arranged in sleeve, while snap ring is arranged at the both ends of shaft, guarantees interior chain
The middle position of inner chain sheet is arranged in the stability that piece is connect with outer chain sheet, the limit plate, and, limit plate ipsilateral with outer chain sheet
For diamond structure, and it is connected by screw on inner chain sheet, the idler wheel is arranged on bearing, and idler wheel includes rubber ring and wheel hub, and
And rubber ring is arranged on wheel hub, the two sides of idler wheel are arranged in the fixed plate, and through-hole are processed on wheel hub, while in fixed plate
Upper setting screw rod connects idler wheel by screw rod, and the central axis is arranged in exterior chain on piece, and passes through center axis connection inner chain sheet,
And snap ring is set in the outer end of central axis.
2. stair step chain according to claim 1, which is characterized in that 4 screws are set altogether on the limit plate, and
The bevel edge of limit plate and horizontal angle are 153 degree.
3. stair step chain according to claim 1, which is characterized in that the screw rod is rounded to be distributed on wheel hub, and
And each wheel hub corresponds to eight screw rods.
4. stair step chain according to claim 1, which is characterized in that the rubber ring is manufactured by rubber material, with a thickness of
12 millimeters.
5. stair step chain according to claim 1, which is characterized in that the wheel hub with a thickness of 50 millimeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821293697.6U CN208814472U (en) | 2018-08-06 | 2018-08-06 | A kind of stair step chain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821293697.6U CN208814472U (en) | 2018-08-06 | 2018-08-06 | A kind of stair step chain |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208814472U true CN208814472U (en) | 2019-05-03 |
Family
ID=66273120
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821293697.6U Expired - Fee Related CN208814472U (en) | 2018-08-06 | 2018-08-06 | A kind of stair step chain |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208814472U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117923355A (en) * | 2024-03-25 | 2024-04-26 | 贵州省公路工程集团有限公司 | Method and device for reducing friction and positioning by longitudinally moving hoisting roller of heavy component of suspension bridge |
-
2018
- 2018-08-06 CN CN201821293697.6U patent/CN208814472U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117923355A (en) * | 2024-03-25 | 2024-04-26 | 贵州省公路工程集团有限公司 | Method and device for reducing friction and positioning by longitudinally moving hoisting roller of heavy component of suspension bridge |
| CN117923355B (en) * | 2024-03-25 | 2024-06-04 | 贵州省公路工程集团有限公司 | Method and device for reducing friction and positioning by longitudinally moving hoisting roller of heavy component of suspension bridge |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190503 Termination date: 20210806 |