CN107473052A - A kind of bolt connecting mechanism of roller and step portion - Google Patents
A kind of bolt connecting mechanism of roller and step portion Download PDFInfo
- Publication number
- CN107473052A CN107473052A CN201710946206.7A CN201710946206A CN107473052A CN 107473052 A CN107473052 A CN 107473052A CN 201710946206 A CN201710946206 A CN 201710946206A CN 107473052 A CN107473052 A CN 107473052A
- Authority
- CN
- China
- Prior art keywords
- bolt
- bearing
- roller
- step portion
- shaft part
- 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.)
- Withdrawn
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B7/00—Other common features of elevators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
- F16C35/04—Rigid support of bearing units; Housings, e.g. caps, covers in the case of ball or roller bearings
- F16C35/06—Mounting or dismounting of ball or roller bearings; Fixing them onto shaft or in housing
- F16C35/063—Fixing them on the shaft
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2226/00—Joining parts; Fastening; Assembling or mounting parts
- F16C2226/50—Positive connections
- F16C2226/60—Positive connections with threaded parts, e.g. bolt and nut connections
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
Abstract
The invention discloses a kind of roller and the bolt connecting mechanism of step portion, including step portion and roller, the middle part of the roller is axially arranged bearing, the step portion includes prominent shaft part, the shaft part is inserted in the bearing hole of the bearing, the root of the shaft part is provided with the shaft shoulder, the shaft shoulder props up one end end face of the bearing inner race of the bearing, bolt is provided with the shaft part, the centerline axis parallel of the central axis of the bolt and the bearing, the bolt is threadedly coupled with screwed hole, the outer end of the bolt is provided with big end, the diameter or width at the big end is more than the diameter of the shaft part, state the other end end face of bearing inner race in the big side pressure residence.The roller of the present invention and the bolt connecting mechanism of step portion are simple in construction, and the number of parts used is few, reduce the management difficulty such as cost and part sourcing, stock, the few efficiency high of installation step, reduce the assembly technology problem easily occurred in Complex Assembly step.
Description
Technical field
The present invention relates to a kind of roller bindiny mechanism, the bolt connecting mechanism of especially a kind of roller and step portion, category
In field of mechanical technique.
Background technology
Many rollers can be used in lift product and in the equipment of some logistics fields, such as loading dolly, airport row
Lee's sorting device, induction system, luggage traffic system, products storage circulation system, post office letter-sorting installation are medium, can all use rolling
The connection of wheel and corresponding component, includes the connection of roller and step portion.The connection of traditional roller and corresponding component is included such as
Mode shown in Fig. 1, the shaft part 9 of step portion 1 are inserted in the bearing hole of bearing 5, and the shaft shoulder 8 props up one end end of bearing inner race 6
Face, retaining ring 30 prop up the other end end face of bearing inner race 6, and bolt 33 is screwed into shaft part 9, and the outside of bolt 33 is provided with taper
Big end 32, the taper sheath 31 in retaining ring 30 is pushed down at the big end 32 of taper, and when tightening bolt 33, taper is just oppressed at the big end 32 of taper
Set 31, and then retaining ring 30 is pressed tightly against bearing inner race 6, will by bolt 33 and retaining ring 30 by the axial restraint of bearing 5
Roller 2 connects with step portion 1.But this connected mode needs connecting bolt, it is also necessary to retaining ring or lock pad
Circle, structure is relative complex, adds number of parts, and installation effectiveness is not also high.
The content of the invention
The present invention solves the technical problem of provide a kind of bolt connecting mechanism of roller and step portion, the connection
Mechanism structure is simple, and the number of parts used is few, reduces the management difficulty such as cost and part sourcing, stock, and installation step is few
Efficiency high, reduce the assembly technology problem easily occurred in Complex Assembly step.
In order to solve the above technical problems, one aspect of the present invention is：A kind of roller and step portion are provided
Bolt connecting mechanism, it includes step portion and roller, and the middle part of the roller is axially arranged bearing, the step portion
Including prominent shaft part, the shaft part is inserted in the bearing hole of the bearing, and the root of the shaft part is provided with the shaft shoulder, the axle
Shoulder height goes out the outer circumference surface of shaft part, and the shaft shoulder props up one end end face of the bearing inner race of the bearing, set in the shaft part
There are bolt, the centerline axis parallel of the central axis of the bolt and the bearing, the bolt is threadedly coupled with screwed hole, institute
The outer end for stating bolt is provided with big end, and the diameter or width at the big end is more than the diameter of the shaft part, the big side pressure residence
State the other end end face of bearing inner race.
In a preferred embodiment of the present invention, screwed hole, the central axis of the screwed hole are provided with the shaft part
With the centerline axis parallel of the bearing, the bolt is arranged in screwed hole, and the bolt is connected through a screw thread with screwed hole.
In a preferred embodiment of the present invention, the outer surface of the shaft part and the inner surface of the bearing inner race are close-fitting
Close.
In a preferred embodiment of the present invention, the outer end at the big end, which is provided with, can use spanner or screwdriver by bolt
The hole tightened.
In a preferred embodiment of the present invention, the big end is the head that can be blocked with spanner.
The beneficial effects of the invention are as follows：The roller of the present invention and the bolt connecting mechanism of step portion are simple in construction, use
Number of parts it is few, reduce the management difficulty such as cost and part sourcing, stock, the few efficiency high of installation step, reduce complexity
The assembly technology problem easily occurred in installation step.
Brief description of the drawings
Technical scheme in order to illustrate the embodiments of the present invention more clearly, make required in being described below to embodiment
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for
For those of ordinary skill in the art, on the premise of not paying creative work, it can also be obtained according to these accompanying drawings other
Accompanying drawing, wherein：
Fig. 1 is the schematic diagram of the bindiny mechanism of roller and step portion of the prior art；
Fig. 2 is the structural representation of the bolt connecting mechanism of roller and step portion of the present invention；
Fig. 3 is structural representation of the big end in Fig. 2 for head alternative form.
The mark of each part is as follows in accompanying drawing：1st, step portion, 2, roller, 3, big end, 4, bolt, 5, bearing, 6, bearing
Inner ring, 7, hole, 8, the shaft shoulder, 9, shaft part, 30, retaining ring, 31, taper sheath, 32, the big end of taper, 33, bolt.
Embodiment
The technical scheme in the embodiment of the present invention will be clearly and completely described below, it is clear that described implementation
Example is only the part of the embodiment of the present invention, rather than whole embodiments.It is common based on the embodiment in the present invention, this area
All other embodiment that technical staff is obtained under the premise of creative work is not made, belong to the model that the present invention protects
Enclose.
The embodiment of the present invention：
Referring to Fig. 2, the roller of the present invention and the bolt connecting mechanism of step portion include step portion 1 and roller 2, the rolling
The middle part of wheel 2 is axially arranged bearing 5, and the step portion 1 includes prominent shaft part 9, and the shaft part 9 inserts the bearing 5
Bearing hole in, the outer surface of the shaft part 5 and the inner surface of bearing inner race 6 are tight fit.
The root of the shaft part 9 is provided with the shaft shoulder 8, and the shaft shoulder 8 is higher by the outer circumference surface of shaft part 9, and the shaft shoulder 8 props up
One end end face of the bearing inner race 6 of the bearing 5, is provided with screwed hole in the shaft part 9, the central axis of the screwed hole with
The centerline axis parallel of the bearing 5, bolt 4 is provided with the screwed hole, the bolt 4 is threadedly coupled with screwed hole.Institute
The outer end for stating bolt 4 is provided with big end 3, and the diameter or width at the big end 3 is more than the diameter of the shaft part 9, and the big end 3 is pressed
State the other end end face of bearing inner race 6 in residence.Bearing 5 is by end 3 and the axial restraint of the shaft shoulder 8 greatly.
Can also be that a unthreaded hole is set in shaft part 9, the diameter of unthreaded hole is more smaller than the external diameter of bolt 4, and bolt 4 can pass through
Tapping is attacked in unthreaded hole, and screw thread is produced on the wall of unthreaded hole, and bolt 4 and shaft part 9 are linked together.
Preferably, the outer end at the big end 3 is provided with the hole 7 that can be tightened bolt with spanner or screwdriver, and hole 7 can be with
It is inner hexagonal hole 7.It is appreciated that inner hexagonal hole 7 can also replace with cross slotted eye or plum blossom hole etc., convenience screwdriver or
Person is spanner to twist bolt 4.Similarly, big end 3 can also directly make the head that can be blocked with spanner, and the head can make
It is square, as shown in figure 3, spanner rotates after blocking head, it is possible to tighten bolt 4.Bolt 4 is tightened, then big end 3 is tightly pressed
Firmly bearing inner race 6, big end 3 and the shaft shoulder 8 make bearing 5 will not axial float together by the axial restraint of bearing 5.Bolt 4 and big simultaneously
Step portion 1 and roller 2 are also connected and fixed by end 3.
By above-mentioned this connected mode, less part has been used, it is not necessary to reuse retaining ring, lock washer etc. zero
Part, the structure of bindiny mechanism is simple, reduces the management difficulty such as cost and part sourcing, stock, installation step is few, efficiency
Height, reduce the assembly technology problem easily occurred in Complex Assembly step.
Embodiments of the invention are the foregoing is only, are not intended to limit the scope of the invention, it is every to utilize this hair
The equivalent structure or equivalent flow conversion that bright description is made, or directly or indirectly it is used in other related technology necks
Domain, it is included within the scope of the present invention.
Claims (5)
1. the bolt connecting mechanism of a kind of roller and step portion, including step portion and roller, the middle part axial direction of the roller
Bearing is provided with, the step portion includes prominent shaft part, and the shaft part is inserted in the bearing hole of the bearing, the shaft part
Root be provided with the shaft shoulder, the shaft shoulder is higher by the outer circumference surface of shaft part, and the shaft shoulder props up the bearing inner race of the bearing
One end end face, it is characterised in that bolt, the central shaft of the central axis of the bolt and the bearing are provided with the shaft part
Line is parallel, and the bolt is threadedly coupled with screwed hole, and the outer end of the bolt is provided with big end, the diameter or width at the big end
More than the diameter of the shaft part, the other end end face of bearing inner race is stated in the big side pressure residence.
2. the bolt connecting mechanism of roller according to claim 1 and step portion, it is characterised in that set in the shaft part
Screwed hole, the centerline axis parallel of the central axis of the screwed hole and the bearing are equipped with, the bolt is arranged on screwed hole
Interior, the bolt is connected through a screw thread with screwed hole.
3. the bolt connecting mechanism of roller according to claim 1 and step portion, it is characterised in that outside the shaft part
Surface and the inner surface of the bearing inner race are tight fit.
4. the bolt connecting mechanism of the roller and step portion according to any one of claim 1-3, it is characterised in that institute
State the outer end held greatly and be provided with the hole that can be tightened bolt with spanner or screwdriver.
5. the bolt connecting mechanism of the roller and step portion according to any one of claim 1-3, it is characterised in that institute
The head for stating big end to be blocked with spanner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710946206.7A CN107473052A (en) | 2017-10-12 | 2017-10-12 | A kind of bolt connecting mechanism of roller and step portion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710946206.7A CN107473052A (en) | 2017-10-12 | 2017-10-12 | A kind of bolt connecting mechanism of roller and step portion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107473052A true CN107473052A (en) | 2017-12-15 |
Family
ID=60606355
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710946206.7A Withdrawn CN107473052A (en) | 2017-10-12 | 2017-10-12 | A kind of bolt connecting mechanism of roller and step portion |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107473052A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109915491A (en) * | 2019-03-15 | 2019-06-21 | 安徽瑞吉安新能源汽车科技有限公司 | One kind being used for two speed transmission bearing position limiting structure |
| WO2023175103A1 (en) * | 2022-03-17 | 2023-09-21 | Tk Elevator Innovation And Operations Gmbh | Self-locking structure of threaded connection |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6119845A (en) * | 1998-03-02 | 2000-09-19 | Lg Industrial Systems Co., Ltd. | Passenger conveyer |
| CN200988725Y (en) * | 2006-12-29 | 2007-12-12 | 西子奥的斯电梯有限公司 | Detachable auxiliary wheel base |
| CN201323697Y (en) * | 2008-12-29 | 2009-10-07 | 浙江联合电梯有限公司 | Static elimination device for hand strap of escalator |
| CN206033004U (en) * | 2016-08-26 | 2017-03-22 | 浙江梅轮电梯股份有限公司 | Handrail area of function tight pulley device that rises tests speed in area |
| CN207330040U (en) * | 2017-10-12 | 2018-05-08 | 苏州飞格立工程塑料有限公司 | A kind of bolt connecting mechanism of roller and step portion |
-
2017
- 2017-10-12 CN CN201710946206.7A patent/CN107473052A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6119845A (en) * | 1998-03-02 | 2000-09-19 | Lg Industrial Systems Co., Ltd. | Passenger conveyer |
| CN200988725Y (en) * | 2006-12-29 | 2007-12-12 | 西子奥的斯电梯有限公司 | Detachable auxiliary wheel base |
| CN201323697Y (en) * | 2008-12-29 | 2009-10-07 | 浙江联合电梯有限公司 | Static elimination device for hand strap of escalator |
| CN206033004U (en) * | 2016-08-26 | 2017-03-22 | 浙江梅轮电梯股份有限公司 | Handrail area of function tight pulley device that rises tests speed in area |
| CN207330040U (en) * | 2017-10-12 | 2018-05-08 | 苏州飞格立工程塑料有限公司 | A kind of bolt connecting mechanism of roller and step portion |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109915491A (en) * | 2019-03-15 | 2019-06-21 | 安徽瑞吉安新能源汽车科技有限公司 | One kind being used for two speed transmission bearing position limiting structure |
| WO2023175103A1 (en) * | 2022-03-17 | 2023-09-21 | Tk Elevator Innovation And Operations Gmbh | Self-locking structure of threaded connection |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20171215 |
|
| WW01 | Invention patent application withdrawn after publication |