CN103968038B - Belt pulley - Google Patents
Belt pulley Download PDFInfo
- Publication number
- CN103968038B CN103968038B CN201410167620.4A CN201410167620A CN103968038B CN 103968038 B CN103968038 B CN 103968038B CN 201410167620 A CN201410167620 A CN 201410167620A CN 103968038 B CN103968038 B CN 103968038B
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- China
- Prior art keywords
- fastening assembly
- annular fastening
- wheel hub
- belt pulley
- semi
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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
- F16H—GEARING
- F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
- F16H55/32—Friction members
- F16H55/36—Pulleys
- F16H55/46—Split pulleys
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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 belt pulley, there is the wheel hub (1) of axis hole (101)；First annular fastening assembly (2), described first annular fastening assembly (2) is arranged around axis hole (101), first annular fastening assembly (2) is fixing with wheel hub (1) to be connected, and first annular fastening assembly (2) offers at least one sidewall extending radially through first annular fastening assembly (2) the notch (201) extended to the end face of wheel hub (1) from the end face of first annular fastening assembly (2)；Second annular fastening assembly (3), the second described annular fastening assembly (3) is dismountable to be nested with in the periphery of first annular fastening assembly (2) and makes the notch (201) on first annular fastening assembly (2) tighten up.Easy accessibility of the present invention, easy to process, be connected firmly and moment of torsion is higher.
Description
Technical field
The present invention relates to a kind of belt pulley.
Background technology
Belt pulley is more common actuating device, is generally connected with power transmission shaft.Power transmission shaft needs to closely cooperate with belt pulley during driving pulley rotation, then needs when power transmission shaft or belt pulley need to safeguard to separate belt pulley with power transmission shaft.
Closely cooperate and easy-to-dismount function with belt pulley for taking into account power transmission shaft, prior art provides multiple solution, the Chinese patent of such as Publication No. CN2061227U " has the mechanical driving device of removable shaft coupling piece ", it is sheathed taper sheath on axle, the axis hole simultaneously making belt pulley is also conicoid, by the cooperation of taper sheath and conicoid, belt pulley can be locked and dismantle with axle.But this kind of mode needs to revise the inner hole surface of belt pulley, processing inconvenience, and needs to arrange taper pin and trip bolt in the inner hole surface of conicoid and rotation wheel, dismounting inconvenience.
The and for example Chinese patent " a kind of belt pulley and the attachment structure of axle " of Publication No. CN202188030U, it arranges multiple fixing hole at belt pulley circumferencial direction, arranges flange, rotating shaft be connected with belt pulley by bolt at the shaft shoulder of rotating shaft.But owing to, in technique scheme, it is parallel with the direction of axle that bolt is arranged at the length direction of belt pulley circumference, i.e. bolt, needing to set up in rotating shaft flange, processing inconvenience, and Flange joint is insecure when using this kind of scheme, moment of torsion is less.
Summary of the invention
The technical problem to be solved be to provide a kind of easy accessibility, easy to process, be connected firmly and belt pulley that moment of torsion is higher.
For solving above-mentioned technical problem, the belt pulley that the present invention provides, it includes the wheel hub with axis hole；First annular fastening assembly, described first annular fastening assembly is arranged around axis hole, first annular fastening assembly is fixing with wheel hub to be connected, and first annular fastening assembly offers at least one sidewall extending radially through first annular fastening assembly the notch extended to the end face of wheel hub from the end face of first annular fastening assembly；Second annular fastening assembly, fastening assembly is dismountable is nested with in the periphery of first annular fastening assembly and makes the notch on first annular fastening assembly tighten up for described second annular.
As preferably, described notch has two and arranges relative to the axisymmetrical of first annular fastening assembly.
As preferably, the outer wall of described first annular fastening assembly is the face of cylinder, the inwall of the second annular fastening assembly is the face of cylinder, second annular fastening assembly includes the first semi-ring and the second semi-ring that two ends are all oppositely arranged, gap between the two ends of the first semi-ring and the second semi-ring and notch are on same radial line direction, first semi-ring be respectively arranged at two ends with the first stepped bolt holes being radially arranged, second semi-ring be respectively arranged at two ends with the first screw hole being radially arranged, first stepped bolt holes and the first screw hole are coaxially set one to one, in the first corresponding stepped bolt holes and the first screw hole, one first bolt is set.
As preferably, the outer wall of described first annular fastening assembly is round table surface, first annular fastening assembly is gradually increased to one end external diameter being connected with wheel hub from the one end away from wheel hub, the inwall of the second annular fastening assembly is round table surface, second annular fastening assembly is gradually increased to one end internal diameter near wheel hub from the one end away from wheel hub, axially it is provided through around axis hole several second screw holes circumferentially distributed on wheel hub, several circumferentially distributed second stepped bolt holes axially it are provided through on second semi-ring, second stepped bolt holes and the second screw hole are coaxially set one to one, in the second corresponding stepped bolt holes and the second screw hole, one second bolt is set.
As preferably, the second described bolt has four.
As preferably, described notch axially extends to the lower surface of axis hole from the upper surface of first annular fastening assembly.
As preferably, described wheel hub being provided with the radially extending slot axially penetrating through wheel hub, one end of radially extending slot connects with notch, and the other end of radially extending slot connects with the manhole axially penetrating through wheel hub.
As preferably, the opposite sides surface of described axis hole is symmetrically arranged with described first annular fastening assembly and the second annular fastening assembly.
As preferably, described wheel hub is also formed through multiple belt pulley installing hole.
After using above structure, the present invention compared with prior art, has the advantage that
Power transmission shaft puts into first annular fastening assembly and axis hole, then the second annular fastening assembly is nested with in the periphery of first annular fastening assembly and fastens, second annular fastening assembly makes the notch on first annular fastening assembly tighten up, power transmission shaft is just clamped by the most first annular fastening assembly, and power transmission shaft is connected firmly with belt pulley and moment of torsion is bigger；And need not revise the inner hole surface of axis hole, and the second annular fastening assembly is dismountable, the second annular fastening assembly can individually be processed, easy to process；When dismounting belt pulley and power transmission shaft, it is only necessary to tighten and unscrew the bolt on the second annular fastening assembly, easy accessibility.
Accompanying drawing explanation
Fig. 1 is the side view of embodiment one；
Fig. 2 is the top view of embodiment one；
Fig. 3 is the STRUCTURE DECOMPOSITION figure of embodiment one；
Fig. 4 is the side view of embodiment two；
Fig. 5 is the profile of embodiment two；
Fig. 6 is the STRUCTURE DECOMPOSITION figure of embodiment two.
Wherein, 1, wheel hub；101, axis hole；102, radially extending slot；103, manhole；104, belt pulley installing hole；105, tooth-like recesses；2, first annular fastening assembly；201, notch；3, the second annular fastening assembly；301, the first semi-ring；3011, the first stepped bolt holes；3012, the second stepped bolt holes；302, the second semi-ring；3021, the first screw hole；3022, the second screw hole；303, the first bolt；304, the second bolt；305, gap.
Detailed description of the invention
With detailed description of the invention, the present invention is described in more detail below in conjunction with the accompanying drawings.
Inventive belt wheel includes wheel hub 1, first annular fastening assembly 2 and the second annular fastening assembly 3.
Described wheel hub 1 has axis hole 101, and axis hole 101 includes manhole and square keyhole, makes axle the most firm with the connection of axis hole by arranging square keyhole, will not left and right or bob.
Described first annular fastening assembly 2 is arranged around axis hole 101, first annular fastening assembly 2 is fixing with wheel hub 1 to be connected, at least one sidewall extending radially through first annular fastening assembly 2 notch 201 extended from the end face of first annular fastening assembly 2 is offered to the end face of wheel hub 1 on first annular fastening assembly 2, first annular fastening assembly 2 is one-body molded with wheel hub 1 to be processed, naturally it is also possible to be installed on wheel hub 1 after being processed by first annular fastening assembly 2.
Fastening assembly 3 is dismountable is nested with in the periphery of first annular fastening assembly 2 and makes the notch 201 on first annular fastening assembly 2 tighten up for described second annular, that is after the second annular fastening assembly 3 is nested with the upper of first annular fastening assembly 2 and fastens, second annular fastening assembly 3 makes the notch 201 on first annular fastening assembly 2 tighten up, the power transmission shaft clamping that the most first annular fastening assembly 2 just will be arranged in first annular fastening assembly 2, thus by power transmission shaft and wheel hub 1 compact siro spinning technology, power transmission shaft is in rotation process, its stress surface is whole axis hole 101 and the inner surface of first annular fastening assembly 2, stress surface is bigger, make moment of torsion bigger.
Described notch 201 has two and arranges relative to the axisymmetrical of first annular fastening assembly 2, and two notches 201 are on the same radial line direction of first annular fastening assembly, and certainly, described notch 201 can also be three, four and more a plurality of.
Described notch 201 axially extends to the lower surface of axis hole 101 from the upper surface of first annular fastening assembly 2, that is notch 201 extends radially through described first annular fastening assembly 2 and wheel hub 1, notch 201 connects with axis hole 101, so, first annular fastening assembly 2 is easier to expand and tighten up so that more convenient when dismounting power transmission shaft and belt pulley.
The radially extending slot 102 axially penetrating through wheel hub 1 it is provided with on described wheel hub 1, one end of radially extending slot 102 connects with notch 201, the other end of radially extending slot 102 connects with the manhole 103 axially penetrating through wheel hub 1, radially extending slot 102 has two and is respectively symmetrically the both sides of first annular fastening assembly 2, manhole 103 has two and is separately positioned on the both sides of first annular fastening assembly 2, it is positioned at the notch 201 of first annular fastening assembly 2 the same side, radially extending slot 102 and manhole 103 are interconnected, so, radially extending slot 102 and manhole 103 can discharge and buffer the coupling mechanism force impact on wheel hub 1, avoid the notch 201 on first annular fastening assembly 2, when tightening up, wheel hub 1 is caused damage.
Described first annular fastening assembly 2 and the second annular fastening assembly 3 it is symmetrically arranged with on the opposite sides surface of described axis hole 101.
Also being formed through multiple belt pulley installing hole 104 on described wheel hub 1, belt pulley installing hole 104 is for installing fixing described wheel hub 1.
Being also formed with a plurality of tooth-like recesses 105 on the outer surface of described wheel hub 1, these tooth-like recesses 105 make the frictional force of the outer surface of wheel hub 1 strengthen, and reduce skidding.
First annular fastening assembly 2 and two kinds of different structures of the second annular fastening assembly 3 is illustrated below by two embodiments:
Embodiment one
nullWith reference to Fig. 1、Fig. 2、Fig. 3，The outer wall of described first annular fastening assembly 2 is the face of cylinder，The inwall of the second annular fastening assembly 3 is the face of cylinder，Second annular fastening assembly 3 includes the first semi-ring 301 and the second semi-ring 302 that two ends are all oppositely arranged，It is provided with gap 305 between first semi-ring 301 and the two ends of the second semi-ring 302，Gap between first semi-ring 301 and the two ends of the second semi-ring 302 305 and notch 201 are on same radial line direction，First semi-ring 301 be respectively arranged at two ends with the first stepped bolt holes 3011 being radially arranged，Second semi-ring 302 be respectively arranged at two ends with the first screw hole 3021 being radially arranged，First stepped bolt holes 3011 and the first screw hole 3021 are coaxially set one to one，In the first corresponding stepped bolt holes 3011 and the first screw hole 3021, one first bolt 303 is set，By the first bolt 303 by the first semi-ring 301 and the second semi-ring 302，And the first screw hole 3021 has run through the second semi-ring 302，When actually used，Without specially choosing the first bolt 303 of length-specific，As long as the screw rod of the first bolt 303 can stretch into the first screw hole 3021，In no matter whether it is housed inside the first screw hole 3021 or stretch out in the effect that the first screw hole 3021 all can reach to lock the first semi-ring 301 and the second semi-ring 302.
Embodiment two
With reference to Fig. 4, Fig. 5, Fig. 6, the outer wall of described first annular fastening assembly 2 is round table surface, first annular fastening assembly 2 is gradually increased to one end external diameter being connected with wheel hub 1 from the one end away from wheel hub 1, the inwall of the second annular fastening assembly 3 is round table surface, second annular fastening assembly 3 is gradually increased to one end internal diameter near wheel hub 1 from the one end away from wheel hub 1, axially it is provided through around axis hole 101 several second screw holes 3022 circumferentially distributed on wheel hub 1, several circumferentially distributed second stepped bolt holes 3012 axially it are provided through on second semi-ring 302, second stepped bolt holes 3012 and the second screw hole 3022 are coaxially set one to one, in the second corresponding stepped bolt holes 3012 and the second screw hole 3022, one second bolt 304 is set.
The second described bolt 304 has four, that is the second described stepped bolt holes 3012 and the second screw hole 3022 all have four and are coaxially set one to one, it is respectively provided with one second bolt 304 in often organizing the second stepped bolt holes 3012 of coaxial line and the second screw hole 3022, that is when the second annular fastening assembly 3 is nested with on first annular fastening assembly 2, along with the second annular fastening assembly 3 is gradually compressed by the second bolt 304 to the end face of wheel hub 1, first annular fastening assembly 2 is gradually clamped by the second annular fastening assembly 3, notch 201 on first annular fastening assembly 2 is gradually tightened up, the power transmission shaft clamping that will be placed in axis hole 101, certainly, the second described bolt 304 can also be five, six with more, do not limit.
Certainly, first annular fastening assembly 2 and the second annular fastening assembly 3 can also be other structures, and above-mentioned two embodiment merely illustrates two kinds of preferable case.
Below only applying preferably example to be made that explanation with regard to the present invention, but be not to be construed as limitations on claims, the structure of the present invention can have other to change, and is not limited to said structure.In a word, all various changes made in the protection domain of the independent claims of the present invention are the most within the scope of the present invention.
Claims (9)
1. a belt pulley, it is characterised in that it includes:
There is the wheel hub (1) of axis hole (101)；
First annular fastening assembly (2), described first annular fastening assembly (2) is arranged around axis hole (101), first annular fastening assembly (2) is fixing with wheel hub (1) to be connected, and first annular fastening assembly (2) offers at least one sidewall extending radially through first annular fastening assembly (2) the notch (201) extended to the end face of wheel hub (1) from the end face of first annular fastening assembly (2)；
Second annular fastening assembly (3), the second described annular fastening assembly (3) is dismountable to be nested with in the periphery of first annular fastening assembly (2) and makes the notch (201) on first annular fastening assembly (2) tighten up.
Belt pulley the most according to claim 1, it is characterised in that: described notch (201) has two and arranges relative to the axisymmetrical of first annular fastening assembly (2).
nullBelt pulley the most according to claim 2，It is characterized in that: the outer wall of described first annular fastening assembly (2) is the face of cylinder，The inwall of the second annular fastening assembly (3) is the face of cylinder，Second annular fastening assembly (3) includes the first semi-ring (301) and the second semi-ring (302) that two ends are all oppositely arranged，Gap (305) between the two ends of the first semi-ring (301) and the second semi-ring (302) and notch (201) are on same radial line direction，First semi-ring (301) be respectively arranged at two ends with the first stepped bolt holes (3011) being radially arranged，Second semi-ring (302) be respectively arranged at two ends with the first screw hole (3021) being radially arranged，First stepped bolt holes (3011) and the first screw hole (3021) are coaxially set one to one，In corresponding the first stepped bolt holes (3011) and the first screw hole (3021), one first bolt (303) is set.
nullBelt pulley the most according to claim 2，It is characterized in that: the outer wall of described first annular fastening assembly (2) is round table surface，First annular fastening assembly (2) is gradually increased to one end external diameter being connected with wheel hub (1) from the one end away from wheel hub (1)，The inwall of the second annular fastening assembly (3) is round table surface，Second annular fastening assembly (3) is gradually increased to one end internal diameter near wheel hub (1) from the one end away from wheel hub (1)，Axially it is provided through on wheel hub (1) around axis hole (101) several second screw holes (3022) circumferentially distributed，Several circumferentially distributed second stepped bolt holes (3012) axially it are provided through on second semi-ring (302)，Second stepped bolt holes (3012) and the second screw hole (3022) are coaxially set one to one，In corresponding the second stepped bolt holes (3012) and the second screw hole (3022), one second bolt (304) is set.
Belt pulley the most according to claim 4, it is characterised in that: described the second bolt (304) has four.
Belt pulley the most according to claim 2, it is characterised in that: described notch (201) axially extends to the lower surface of axis hole (101) from the upper surface of first annular fastening assembly (2).
Belt pulley the most according to claim 6, it is characterized in that: on described wheel hub (1), be provided with the radially extending slot (102) axially penetrating through wheel hub (1), one end of radially extending slot (102) connects with notch (201), and the other end of radially extending slot (102) connects with the manhole (103) axially penetrating through wheel hub (1).
Belt pulley the most according to claim 1, it is characterised in that: it is symmetrically arranged with described first annular fastening assembly (2) and the second annular fastening assembly (3) on the opposite sides surface of described axis hole (101).
Belt pulley the most according to claim 1, it is characterised in that: also it is formed through multiple belt pulley installing hole (104) on described wheel hub (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410167620.4A CN103968038B (en) | 2014-04-24 | 2014-04-24 | Belt pulley |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410167620.4A CN103968038B (en) | 2014-04-24 | 2014-04-24 | Belt pulley |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103968038A CN103968038A (en) | 2014-08-06 |
| CN103968038B true CN103968038B (en) | 2016-09-14 |
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ID=51237898
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410167620.4A Active CN103968038B (en) | 2014-04-24 | 2014-04-24 | Belt pulley |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103968038B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2340500Y (en) * | 1998-10-15 | 1999-09-29 | 郑建民 | Easily detachable transmission wheel of mill |
| DE102009015897A1 (en) * | 2008-04-03 | 2009-10-22 | DENSO CORPORATION, Kariya-shi | Power transmission device for transferring drive power to refrigerant compressor of vehicle air-conditioning system, has cover with recesses to engage tool and fastened to projection and/or ring sections to cover holes in axial direction |
| CN201714948U (en) * | 2010-04-20 | 2011-01-19 | 山东太阳纸业股份有限公司 | Belt pulley |
| CN202091476U (en) * | 2011-05-27 | 2011-12-28 | 浙江吉利汽车研究院有限公司 | Crankshaft vibration reduction belt pulley of car |
| CN202188093U (en) * | 2011-08-04 | 2012-04-11 | 合肥佳讯精密机械制造有限公司 | Pulley with bent axle one-way clutch used for accessory system of automobile engine |
| CN203880043U (en) * | 2014-04-24 | 2014-10-15 | 宁波腾隆户外用品有限公司 | Belt wheel |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008298229A (en) * | 2007-06-01 | 2008-12-11 | Denso Corp | Power transmission device |
-
2014
- 2014-04-24 CN CN201410167620.4A patent/CN103968038B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2340500Y (en) * | 1998-10-15 | 1999-09-29 | 郑建民 | Easily detachable transmission wheel of mill |
| DE102009015897A1 (en) * | 2008-04-03 | 2009-10-22 | DENSO CORPORATION, Kariya-shi | Power transmission device for transferring drive power to refrigerant compressor of vehicle air-conditioning system, has cover with recesses to engage tool and fastened to projection and/or ring sections to cover holes in axial direction |
| CN201714948U (en) * | 2010-04-20 | 2011-01-19 | 山东太阳纸业股份有限公司 | Belt pulley |
| CN202091476U (en) * | 2011-05-27 | 2011-12-28 | 浙江吉利汽车研究院有限公司 | Crankshaft vibration reduction belt pulley of car |
| CN202188093U (en) * | 2011-08-04 | 2012-04-11 | 合肥佳讯精密机械制造有限公司 | Pulley with bent axle one-way clutch used for accessory system of automobile engine |
| CN203880043U (en) * | 2014-04-24 | 2014-10-15 | 宁波腾隆户外用品有限公司 | Belt wheel |
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| Publication number | Publication date |
|---|---|
| CN103968038A (en) | 2014-08-06 |
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Effective date of registration: 20190222 Address after: 315151 No. 109, Siming East Road, Yinjiang Town, Haishu District, Ningbo City, Zhejiang Province Patentee after: Ningbo Aofulong Mechanical and Electrical Co., Ltd. Address before: 315151 No. 111 Siming East Road, Yinjiang Town, Ningbo City, Zhejiang Province Patentee before: Ningbo Tenglong Outdoors Articles Co., Ltd. |
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