CN109026983A - A kind of locating piece and the pulley that groove width and anti-dirt can be adjusted - Google Patents
A kind of locating piece and the pulley that groove width and anti-dirt can be adjusted Download PDFInfo
- Publication number
- CN109026983A CN109026983A CN201811077560.1A CN201811077560A CN109026983A CN 109026983 A CN109026983 A CN 109026983A CN 201811077560 A CN201811077560 A CN 201811077560A CN 109026983 A CN109026983 A CN 109026983A
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- China
- Prior art keywords
- ring
- cyclization
- pulley
- locating piece
- wheel hub
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Classifications
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- 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
- F16C13/00—Rolls, drums, discs, or the like; Bearings or mountings therefor
- F16C13/006—Guiding rollers, wheels or the like, formed by or on the outer element of a single bearing or bearing unit, e.g. two adjacent bearings, whose ratio of length to diameter is generally less than one
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pulleys (AREA)
Abstract
The invention discloses a kind of locating piece and the pulley of groove width and anti-dirt can be adjusted, which includes: positioning piece, in the hollow form rotary table frame of intermediate aperture；One wheel hub, in the hollow form cylindrical frame of intermediate aperture, wheel hub inner ring projects to form a chimeric ring along axial direction, chimeric ring cooperatively forms the bearing assembly of pulley with the grafting ring that outer diameter is slightly less than chimeric ring, wheel hub outer ring reversely projects to form one second set of cyclization along axial, and one end of the outer ring of wheel hub radially projects to form one first stop collar；One movable part, in the circular frame of hollow form, movable part one end is radially equipped with an abutment ring, and movable part is movably linked in second set of cyclization, a guide groove is formed between abutment ring and the first stop collar, movable part can be moved horizontally along second set of cyclization to adjust the width of guide groove.Pulley of the invention adapts to the transmission demand of different size bars, ribbon or thread, has prevented the problem of dust influences pulley rotation.
Description
Technical field
The present invention relates to pulley technical field more particularly to a kind of locating pieces and the pulley that can adjust groove width and anti-dirt.
Background technique
In chain production field, pass through pulley transmission chain.It in the prior art, is that will consolidate for the pulley of transmission chain
The wheel for determining groove width is fixed to the transmission that chain is realized on a fastener by bearing.
Inventor has found that existing guide wheel at least has the following deficiencies: in use, generally requires to transmit different rulers
Very little chain needs the wheel using different groove widths to meet the transmission demand of different size chains.Use it for a long time
Afterwards, many dusts are often saved bit by bit in position of bearings, in dusty situation, influence guide wheel rotation.
Summary of the invention
(1) goal of the invention
The object of the present invention is to provide a kind of locating piece and the pulley of groove width and anti-dirt can be adjusted, solves different sizes
The problems such as transmission demand of bar, ribbon or thread, and after avoiding long-time use, dust influences guide wheel rotation.
(2) technical solution
To solve the above problems, one aspect of the present invention provides a kind of locating piece, the locating piece is in intermediate aperture
Empty shape rotary table frame, the inner ring of the locating piece project to form a grafting ring along axial direction, and the outer ring of the locating piece is along axial prominent
If forming a first set cyclization, the width of the grafting ring is greater than the width of the first set cyclization.
Further, which is the consistent circular ring structure of bore, which is the small circle of the outer imperial palace of bore
Platform structure.
Another aspect of the present invention provides a kind of pulley that can adjust groove width and anti-dirt, which is fixed on a fastener
On, which includes:
Positioning piece, the locating piece are the aforementioned locating piece；
One wheel hub, in the hollow form cylindrical frame of intermediate aperture, which projects to form a chimeric ring along axial direction, should
Chimeric ring cooperatively forms the bearing assembly of pulley with the grafting ring that outer diameter is slightly less than the chimeric ring, and the wheel hub outer ring is along axial
Reversely project to form one second set of cyclization, one end of the outer ring of the wheel hub radially projects to form one first stop collar；
One movable part, in the circular frame of hollow form, which is radially equipped with an abutment ring, the work
Moving part is movably linked in second set of cyclization, forms a guide groove between the abutment ring and first stop collar, should
Movable part can be moved horizontally along second set of cyclization to adjust the width of guide groove.
Further, the movable part and second set of cyclization are interference fitted.
Further, the other end center of the movable part offers a through-hole.
Further, the chimeric ring, grafting ring, second set of cyclization are the almost the same circular ring structure of bore.
Further, the width of the first set cyclization is less than the width of the chimeric ring, and the width of the chimeric ring is small
In the length of the grafting ring.
Further, one is formed between second set of cyclization and the first set cyclization receive dirty space.
Further, the outer diameter of the grafting ring is equal to or slightly less than the internal diameter of the chimeric ring, the grafting ring insertion
After the wheel hub, a predetermined gap is formed between the chimeric ring and the first set cyclization.
Further, locating piece, wheel hub, movable part are nylon wheel.
(3) beneficial effect
Above-mentioned technical proposal of the invention has following beneficial technical effect:
It is adjustable groove width by roller design 1. pulley of the invention is by positioning piece, a wheel hub and a movable part
Pulley adapts to the transmission of different width dimensions ribbon；
2. forming one between second set of cyclization and first set cyclization receives dirty space, and first set cyclization is designed as outside bore
The small frustum cone structure of imperial palace, after avoiding long-time use, in the case where amount of dust is few, dust can along frustum cone structure,
Skid off the problem of receiving dirty space in order to avoid influencing pulley rotation.
3. locating piece of the invention, wheel hub, movable part are nylon wheel compared with roller bearing in the prior art, benefit
It with the self-lubricating between nylon wheel, reduces costs, improves rotation smoothness, the design of pulley ensure that wheel hub can be always
Smoothly rotated around locating piece.
Detailed description of the invention
Fig. 1 is the cross-sectional view of the pulley for being adjustable groove width of the invention；
Fig. 2 is the schematic perspective view of the pulley for being adjustable groove width of the invention；
Fig. 3 a is the side view of wheel hub of the invention；
Fig. 3 b is the main view of wheel hub of the invention；
Fig. 3 c is the A-A cross-sectional view of Fig. 3 a；
Fig. 3 d is the schematic perspective view of wheel hub of the invention；
Fig. 4 a is the side view of movable part of the invention；
Fig. 4 b is the main view of movable part of the invention；
Fig. 4 c is the A-A cross-sectional view of Fig. 4 a；
Fig. 4 d is the schematic perspective view of movable part of the invention；
Fig. 5 a is the side view of locating piece of the invention；
Fig. 5 b is the main view of locating piece of the invention；
Fig. 5 c is the A-A cross-sectional view of Fig. 5 a；
Fig. 5 d is the schematic perspective view of locating piece of the invention.
Appended drawing reference:
2: locating piece, 3 wheel hubs, 4 movable parts, 5 chimeric rings, 6 second sets of cyclizations, 7 first stop collars, 8 abutment rings, 9 guide grooves,
10 radiused ramps, 11 grafting rings, 12 first set cyclizations, 13 fasteners, 14 support frames, 15 gaskets, 16 through-holes, 17 receive dirty space.
Specific embodiment
In order to make the objectives, technical solutions and advantages of the present invention clearer, With reference to embodiment and join
According to attached drawing, the present invention is described in more detail.It should be understood that these descriptions are merely illustrative, and it is not intended to limit this hair
Bright range.In addition, in the following description, descriptions of well-known structures and technologies are omitted, to avoid this is unnecessarily obscured
The concept of invention.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", "front", "rear",
The orientation or positional relationship of the instructions such as "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is based on attached drawing institute
The orientation or positional relationship shown, is merely for convenience of description of the present invention and simplification of the description, rather than the dress of indication or suggestion meaning
It sets or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as protecting the present invention
The limitation of range.
A kind of locating piece of the present invention please refers to shown in Fig. 5 a-5d, and the locating piece 2 is round in the hollow form of intermediate aperture
Table frame, the inner ring of the locating piece 2 project to form a grafting ring 11 along axial direction, and the outer ring of the locating piece 2 projects to be formed along axial direction
One first set cyclization 12, the width of the grafting ring 11 are greater than the width of the first set cyclization 12.
In a wherein embodiment of the invention, which is the consistent circular ring structure of bore, first fitting
Ring 12 is the small frustum cone structure of the outer imperial palace of bore.
A kind of pulley that can adjust groove width and anti-dirt of the present invention, the pulley be fixed on a fastener 13 (for example,
Bolt) on, it is used for conveying band object, for example, zipper, please refers to shown in Fig. 1-2, which to include positioning piece 2, a wheel hub 3
And a movable part 4, in this embodiment, to keep the running of the pulley itself smooth, the locating piece 2, wheel hub 3 and movable part 4
It is all the circular frame of hollow form, wherein locating piece 2 is in the hollow form rotary table frame of intermediate aperture, and fastener 13 passes through locating piece
Pulley is fixed on support frame 14 after 2 center opening, the outer rim of fastener 13 is equipped with thread, the thread energy of the fastener 13
It is threadedly coupled integrally with the thread on the support frame 14 for supporting the pulley, so that the locating piece 2 can be positioned to the support frame
On 14, and thread connecting mode is penetrated, which can be assembled on support frame 14 by user easily, or prop up certainly
The lower locating piece 2 is dismantled on support 14.
It please refers to shown in Fig. 3 a-3d, which is in the hollow form cylindrical frame of intermediate aperture, and 3 inner ring of wheel hub is along axial
It projects to form a chimeric ring 5, which is embedded in locating piece 2 by chimeric ring 5, and it is chimeric which with outer diameter is slightly less than this
The grafting ring 11 of ring 5 cooperatively forms the bearing assembly of pulley, which reversely projects to form one second set of cyclization along axial direction
6, one end of the outer ring of the wheel hub 3 also radially projects to form one first stop collar 7.
Please refer to shown in Fig. 4 a-4d, the movable part 4 be in hollow form circular frame, 4 one end of movable part radially to
It is equipped with an abutment ring 8 outside, which is movably linked in second set of cyclization 6, the abutment ring 8 and described the
A guide groove 9 is formed between one stop collar 7, which can move horizontally along second set of cyclization 6 to adjust the width of guide groove 9.
In the present invention, guide groove 9 be on one side with the one of wheel hub 3, i.e. the first stop collar 7 (motionless side), another side is opposite
It can prolong in motionless side and axially move in parallel, is i.e. abutment ring 8 (active edges).To guarantee that active edges can move in parallel, movable part
It is designed as circular ring structure.
Since the locating piece 2, wheel hub 3 and movable part 4 are plastic part, and it is more frivolous, therefore can have elasticity, when its quilt
Deflection appropriate can be generated after compressing, and restores the form of script after forceful contact.In the condition of normal use, the work
Moving part 4 can be firmly linked on wheel hub 3, without in use, there is a situation where be detached from from the wheel hub 3 accidentally.
Refering to fig. 1 shown in -2, in an embodiment of the present invention, the movable part 4 and second set of cyclization 6 are interference fitted.
Refering to fig. 1 shown in -2, in an embodiment of the present invention, the other end center of the movable part 4 offers a through-hole
16.To prevent the other end of movable part 4 from deforming, the other end center opening of movable part 4 is formed semiclosed end by the present invention, secondly
In order to facilitate rotation fastener 13, there are the through-holes 16 that fixation fastener matches at the center at semiclosed end.
Refering to shown in Fig. 3 a-3d, 4a-4d, the chimeric ring 5, grafting ring 11, second set of cyclization 6 are that bore is almost the same
Annulus, the chimeric ring 5, grafting ring 11 with second set cyclization 6 are the consistent circular ring structure of bore, facilitate processing.
Refering to shown in Fig. 3 a-3d, 4a-4d, the width of the first set cyclization 12 is less than the width of the chimeric ring 5, described
The width of chimeric ring 5 is less than the width of the grafting ring 11.The chimeric ring 5 is slightly less than the grafting ring 11 of the chimeric ring 5 with outer diameter
Cooperatively form the bearing assembly of pulley.In order to further ensure the rotation fluency of wheel hub 3, set the width of chimeric ring 5 to
Less than the width of first set cyclization 12, be in order to prevent on locating piece 2 fitting to wheel hub 3 after, chimeric ring 5 can touch positioning
The bottom of part 3 occurs sliding friction with bottom, and then influences the rotation fluency of wheel hub 3.
The outer circumference surface of second set of cyclization 6 forms a circle for being easy to be linked in the movable part 4 in second set of cyclization 6
Arc inclined-plane 10, in use, for convenience by second set of cyclization 6 of the quick fitting of movable part 4 to wheel hub 3, by second
The outer rim of set cyclization 6 is arranged to radiused ramp 10, and the purpose is to make the outer diameter of the outer rim of second set of cyclization 6 be less than movable part 4
Abutment ring 8 internal diameter, since the outer diameter of the outer rim of second set of cyclization 6 is less than the internal diameter of abutment ring 8, user only needs
Movable part 4 can be set in second set of cyclization 6 using fraction power, later, add some power that movable part 4 is mobile
To the position of needs.
Refering to shown in Fig. 5 a-5d, the inner ring of the locating piece 2 projected along axial direction to be formed in an insertion chimeric ring 5 and from
The grafting ring 11 of a part is stretched out at the back side of wheel hub 3, the outer ring of the locating piece 2 projected along axial direction to be formed it is a set of outside chimeric ring 5
First set cyclization 12, which is the consistent annulus of bore, and the width of the grafting ring 11 is greater than the width of the chimeric ring 5
Degree prevents external fastening from contacting wheel hub 3, influences the rotation fluency of wheel hub 3 to guarantee that wheel hub 3 rotates smooth, will
The width of grafting ring 11 is set greater than the width of chimeric ring 5, the fixed only locating piece of such external fastening, wheel hub 3
It is rotated around locating piece 2, avoids and directly realize the problem of fixing to influence rotation smoothness with external fastening.
Refering to fig. 1-2, one is formed shown in 5a-5d, between second set of cyclization 6 and the first set cyclization 12 receives dirty space.
The first set cyclization 12 is the small frustum cone structure of the outer imperial palace of bore, and pulley is saved bit by bit dust in use and influenced in order to prevent
First set cyclization is set frustum cone structure shape by the rotation of pulley, the present invention, in second set of cyclization 6 and the first set cyclization 12
Between it is spaced apart, formed one can shelter evil people and countenance evil practices receive dirty space 17, in use, do not have receiving dirty space 17
Have before being filled up by dirt, the rotation of pulley is not influenced by dirt, is greatly extended maintenance period and is improved reliability.
It receives dirty space 17 at this there is the case where a small amount of dirt, a small amount of dirt can fall along the outer rim of first set cyclization 12, prevent
Since dirt influences the problem of pulley can not continue to rotate.
Refering to shown in Fig. 5 a, 5d, the distance between the grafting ring 11 and the first set cyclization 12 are much larger than the chimeric ring 5
Thickness.Hold, in order to guarantee the rotation fluency of wheel hub 3, by between the grafting ring 11 and first set cyclization 12 of locating piece 2 away from
From the thickness for being set greater than chimeric ring 5, in this way, the chimeric ring 5 of wheel hub 3 would not be sent out in rotation with first set cyclization 12
Raw friction, and then influence the rotation fluency of chimeric ring 5.
Refering to shown in Fig. 3 a-3d, 5a-5d, the internal diameter of the chimeric ring 5 is equal to the outer diameter of the grafting ring 11.It is embedding in order to guarantee
Cyclization 5 will not generate shaking when rotating, therefore the outer diameter of grafting ring 11 is equal to the internal diameter of chimeric ring 5, chimeric in this way
For ring 5 in rotation, there is no displacement differences between grafting ring 11, i.e., chimeric ring can be rotated steadily around grafting ring 11,
Without eccentric rotary occurs.
Refering to shown in Fig. 4 a, 4d, the internal diameter of the movable part 4 is equal to the outer diameter of second set of cyclization 6, the width of the movable part 4
Less than the width of second set of cyclization 6.Movable part 4 is to being steadily linked on wheel hub 3 work without moving easily
The internal diameter of moving part 4 has to the outer diameter equal to second set of cyclization 6.
In the present invention, the locating piece, wheel hub, movable part are nylon wheel, using the self-lubrication between nylon, are used
Nylon wheel roller bearing replaces traditional bearing, reduces costs, improves the smoothness of rotation.
The present invention is directed to protect a kind of locating piece and can adjust the pulley of groove width and anti-dirt, pulley of the invention passes through one
Roller design is the pulley of adjustable groove width, adapts to different width dimensions ribbon by locating piece, a wheel hub and a movable part
Transmission；One is formed between second set of cyclization and first set cyclization and receives dirty space, and first set cyclization is designed as big outside bore
Interior small frustum cone structure, after avoiding long-time use, in the case where amount of dust is few, dust can be sliding along frustum cone structure
Receive and pay out the problem of dirty space is in order to avoid influence pulley rotation.Compared with roller bearing in the prior art, locating piece of the invention, wheel
Hub, movable part are nylon wheel, using the self-lubricating between nylon wheel, are reduced costs, and rotation smoothness is improved, pulley
Design ensure that wheel hub can be rotated smoothly around locating piece always.
It should be understood that above-mentioned specific embodiment of the invention is used only for exemplary illustration or explains of the invention
Principle, but not to limit the present invention.Therefore, that is done without departing from the spirit and scope of the present invention is any
Modification, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.In addition, appended claims purport of the present invention
Covering the whole variations fallen into attached claim scope and boundary or this range and the equivalent form on boundary and is repairing
Change example.
Claims (10)
1. a kind of locating piece, which is characterized in that the locating piece is in the hollow form rotary table frame of intermediate aperture, the locating piece
Inner ring projects to form a grafting ring along axial direction, and the outer ring of the locating piece projects to form a first set cyclization along axial direction, described to insert
The width for connecing ring is greater than the width of the first set cyclization.
2. locating piece according to claim 1, which is characterized in that the grafting ring is the consistent circular ring structure of bore, this
A set of cyclization is the small frustum cone structure of the outer imperial palace of bore.
3. a kind of pulley that can adjust groove width and anti-dirt, the pulley are fixed on a fastener characterized by comprising
Positioning piece, the locating piece are the described in any item locating pieces of claim 1-2；
One wheel hub, in the hollow form cylindrical frame of intermediate aperture, which projects to form a chimeric ring along axial direction, this is chimeric
Ring cooperatively forms the bearing assembly of pulley with the grafting ring that outer diameter is slightly less than the chimeric ring, and the wheel hub outer ring is along the anti-of axial direction
One second set of cyclization is formed to projecting, one end of the outer ring of the wheel hub radially projects to form one first stop collar；
One movable part, in the circular frame of hollow form, which is radially equipped with an abutment ring, the movable part
It is movably linked in second set of cyclization, forms a guide groove between the abutment ring and first stop collar, the activity
Part can be moved horizontally along second set of cyclization to adjust the width of guide groove.
4. pulley according to claim 3, which is characterized in that the movable part and second set of cyclization are interference fitted.
5. pulley according to claim 3, which is characterized in that the other end center of the movable part offers a through-hole.
6. pulley according to claim 3, which is characterized in that the chimeric ring, grafting ring, second set of cyclization are mouth
The almost the same circular ring structure of diameter.
7. pulley according to claim 3, which is characterized in that the width of the first set cyclization is less than the chimeric ring
Width, the width of the chimeric ring are less than the width of the grafting ring.
8. pulley according to claim 3, which is characterized in that shape between second set of cyclization and the first set cyclization
Dirty space is received at one.
9. according to the described in any item pulleys of claim 3-8, which is characterized in that the outer diameter of the grafting ring is equal to or slightly less than
The internal diameter of the chimeric ring is formed between the chimeric ring and the first set cyclization after the grafting ring is inserted into the wheel hub
One predetermined gap.
10. according to the described in any item pulleys of claim 3-8, which is characterized in that the locating piece, wheel hub, movable part are
Nylon wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811077560.1A CN109026983B (en) | 2018-09-15 | 2018-09-15 | Can adjust wide and anti-dirt pulley of groove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811077560.1A CN109026983B (en) | 2018-09-15 | 2018-09-15 | Can adjust wide and anti-dirt pulley of groove |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109026983A true CN109026983A (en) | 2018-12-18 |
| CN109026983B CN109026983B (en) | 2020-03-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811077560.1A Active CN109026983B (en) | 2018-09-15 | 2018-09-15 | Can adjust wide and anti-dirt pulley of groove |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109026983B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4580757A (en) * | 1983-10-29 | 1986-04-08 | Skf Kugellagerfabriken Gmbh | Apparatus for molding a roller with bearings |
| US4909640A (en) * | 1985-10-28 | 1990-03-20 | C.S.U. Ltd. | Ball bearing |
| US5906402A (en) * | 1994-01-07 | 1999-05-25 | Simmons; John M. | Dual synchronized thread fluid connector cross-reference to related application |
| US6116286A (en) * | 1998-07-15 | 2000-09-12 | Hooper; Robert A. | Pneumatic pipe plug |
| JP2003329034A (en) * | 2002-05-16 | 2003-11-19 | Nsk Ltd | Rotation supporting device |
| DE102009016188A1 (en) * | 2009-04-03 | 2010-10-14 | Schaeffler Technologies Gmbh & Co. Kg | Roller for traction mechanism drive of internal combustion engine, is designed as component fixed at outer ring by hub, where hub and jacket are connected by element that consists of struts for formation of C-shaped cross-sectional profile |
| CN102109031A (en) * | 2009-12-23 | 2011-06-29 | Skf公司 | Pulley device for a tensioning or guide Roller |
| CN103383029A (en) * | 2013-06-26 | 2013-11-06 | 洛阳凯诺知识产权咨询服务有限公司 | Fast pipeline connection device |
-
2018
- 2018-09-15 CN CN201811077560.1A patent/CN109026983B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4580757A (en) * | 1983-10-29 | 1986-04-08 | Skf Kugellagerfabriken Gmbh | Apparatus for molding a roller with bearings |
| US4909640A (en) * | 1985-10-28 | 1990-03-20 | C.S.U. Ltd. | Ball bearing |
| US5906402A (en) * | 1994-01-07 | 1999-05-25 | Simmons; John M. | Dual synchronized thread fluid connector cross-reference to related application |
| US6116286A (en) * | 1998-07-15 | 2000-09-12 | Hooper; Robert A. | Pneumatic pipe plug |
| JP2003329034A (en) * | 2002-05-16 | 2003-11-19 | Nsk Ltd | Rotation supporting device |
| DE102009016188A1 (en) * | 2009-04-03 | 2010-10-14 | Schaeffler Technologies Gmbh & Co. Kg | Roller for traction mechanism drive of internal combustion engine, is designed as component fixed at outer ring by hub, where hub and jacket are connected by element that consists of struts for formation of C-shaped cross-sectional profile |
| CN102109031A (en) * | 2009-12-23 | 2011-06-29 | Skf公司 | Pulley device for a tensioning or guide Roller |
| CN103383029A (en) * | 2013-06-26 | 2013-11-06 | 洛阳凯诺知识产权咨询服务有限公司 | Fast pipeline connection device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109026983B (en) | 2020-03-27 |
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