CN104455333A - Left box of two-gear electric bicycle speed changer assembly - Google Patents
Left box of two-gear electric bicycle speed changer assembly Download PDFInfo
- Publication number
- CN104455333A CN104455333A CN201410559275.9A CN201410559275A CN104455333A CN 104455333 A CN104455333 A CN 104455333A CN 201410559275 A CN201410559275 A CN 201410559275A CN 104455333 A CN104455333 A CN 104455333A
- Authority
- CN
- China
- Prior art keywords
- hole
- mounting hole
- bevel gear
- output bevel
- die cavity
- 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.)
- Pending
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Classifications
-
- 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
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
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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
- F16H2700/00—Transmission housings and mounting of transmission components therein; Cooling; Lubrication; Flexible suspensions, e.g. floating frames
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Details Of Gearings (AREA)
Abstract
The invention discloses a left box of a two-gear electric bicycle speed changer assembly. The front side face of a body of the left box is a circle of box combining face, and eight bolt via holes and two positioning pin holes are formed in the box combining face in the circumferential direction. The box combining face of the body is arranged on the periphery of a cavity, and an output bevel gear installation hole and two through holes are formed in the left of the bottom of the cavity. Two bearing installation sinking platforms are arranged and a shift level via hole is formed in the bottom of the right of the cavity. Two gear shifting mechanism installation blind holes are formed in the back side face of the right of the body and formed in the lower left and lower right of the shift level via hole. A venting plug installation hole is formed in the lower right of the body, one end of the venting plug installation hole penetrates through the outer wall of the body, and the other end of the venting plug installation hole penetrates through the wall of the cavity. The left box is compact in structure and high in strength, an output bevel gear, a bearing, a shift level, an oil discharging plug and a venting plug can be reliably installed and supported, and the left box can serve as the installation basis of the components.
Description
Technical field
The invention belongs to speed changer field, specifically, particularly relate to a kind of left box body of second gear electric vehicle transmission assembly.
Background technique
Existing electric vehicle transmission assembly is a mark structure, namely can not gear shift, so just causes its output torque and rotating speed can not adjust according to road conditions, causes its road conditions adaptive capacity poor.In order to overcome above-mentioned technological deficiency, we want a transmission assembly with two gears of specialized designs.Meanwhile, also need respective design left box body in design process, this left box body not only claimed structure is compact, and wants the installation foundation that reliably can serve as each base part.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of compact structure, and reliably can serve as the second gear electric vehicle transmission assembly left box body of each base part installation foundation.
Technological scheme of the present invention is as follows: a kind of left box body of second gear electric vehicle transmission assembly, it is characterized in that: body (1) leading flank of this left box body is a circle mould assembling face, mould assembling face circumferentially has 8 bolt through-holes (1a) and 2 positioning pin holes (1b), and two positioning pin holes (1b) point are located at lower left quarter and the upper right quarter of body (1); The mould assembling face of described body (1) is located at die cavity (1c) periphery, this left part at the bottom of die cavity chamber has an output bevel gear mounting hole (1d), this output bevel gear mounting hole is pre-large post-small two-part shoulder hole, runs through the trailing flank of body (1) on rear side of it; Left part at the bottom of described die cavity (1c) chamber also has two through holes, one of them through hole is oil inlet hole (1e), and be positioned at described output bevel gear mounting hole (1d) upper left side, another one through hole is oil drain plug mounting hole (1f), and is positioned at output bevel gear mounting hole (1d) lower right; The degree of depth of described die cavity (1c) right part is greater than the degree of depth of its left part, have two bearings at the bottom of the chamber of its right part and heavy stand (1g) and a shift level via hole (1h) are installed, heavy stand (1g) installed by its middle (center) bearing is pre-large post-small two-part hierarchic structure, and second bearing installation heavy stand is located at first bearing installation heavy stand (1g) lower right; Described shift level via hole (1h) is through hole, and is located at first bearing and installs immediately below heavy stand (1g), and shift level via hole (1h) and two bearings are installed heavy stand (1g) and are arranged to triangle disposition;
The trailing flank of described body (1) right part has two gearshift mechanism installing blinds (1k), and these two gearshift mechanism installing blinds divide the left bottom and lower right that are located at described shift level via hole (1h); Described body (1) lower right part has a venting plug mounting hole (1m), and body (1) outer wall is run through in one end of this venting plug mounting hole, and its other end runs through the chamber wall of described die cavity (1c).
Adopt above technological scheme, not only claimed structure is compact in the present invention, intensity is high, and reliably can install support output bevel gear, bearing, gear level, oil drain plug and venting plug, and serves as the installation foundation of these parts, and simple structure of the present invention, be convenient to be arranged in speed reducer assembly.
In order to strengthen structural strength, spy is provided with one group of first radial reinforced rib (1n) at the bottom of the chamber of described die cavity (1c), and it is peripheral that this first radial reinforced rib is circumferentially distributed in described output bevel gear mounting hole (1d); The trailing flank of described body (1) left part is provided with one group of second radial reinforced rib (1p), and this second radial reinforced rib is also circumferentially distributed in the periphery of output bevel gear mounting hole (1d).
For the ease of manufacturing, described body (1) passes through casting.
Beneficial effect: not only claimed structure is compact in the present invention, intensity is high, and support output bevel gear, bearing, gear level, oil drain plug and venting plug can be reliably installed, and serve as the installation foundation of these parts, and simple structure of the present invention, be easy to manufacture, be convenient to be arranged in speed reducer assembly.
Accompanying drawing explanation
Fig. 1 is outline drawing of the present invention;
Fig. 2 is the rear view of Fig. 1;
Fig. 3 is that the A-A of Fig. 1 is to turnover sectional view.
Embodiment
Below in conjunction with drawings and Examples, the invention will be further described:
As shown in Figure 1, 2, 3, a kind of left box body of second gear electric vehicle transmission assembly, the body 1 of this left box body passes through casting, the leading flank of this body 1 is a circle mould assembling face, mould assembling face circumferentially has 8 bolt through-hole 1a and 2 positioning pin hole 1b, and two positioning pin hole 1b divide the lower left quarter and upper right quarter that are located at body 1.The mould assembling face of described body 1 is located at die cavity 1c periphery, and the left part at the bottom of this die cavity 1c chamber has an output bevel gear mounting hole 1d, and this output bevel gear mounting hole 1d is pre-large post-small two-part shoulder hole, runs through the trailing flank of body 1 on rear side of it.Meanwhile, the left part at the bottom of die cavity 1c chamber also has two through holes, and one of them through hole is oil inlet hole 1e, and is positioned at described output bevel gear mounting hole 1d upper left side, and another one through hole is oil drain plug mounting hole 1f, and is positioned at output bevel gear mounting hole 1d lower right.Be provided with one group of first radial reinforced rib 1n at the bottom of the chamber of described die cavity 1c, it is peripheral that this first radial reinforced rib 1n is circumferentially distributed in output bevel gear mounting hole 1d.The trailing flank of described body 1 left part is provided with one group of second radial reinforced rib 1p, and this second radial reinforced rib 1p is also circumferentially distributed in the periphery of output bevel gear mounting hole 1d.
As shown in Figure 1, 2, 3, the degree of depth of described die cavity 1c right part is greater than the degree of depth of its left part, has two bearings and install a heavy stand 1g and shift level via hole 1h at the bottom of the chamber of die cavity 1c right part.Wherein, heavy stand 1g installed by bearing is pre-large post-small two-part hierarchic structure, and the lower right that heavy stand 1g is located at first bearing installation heavy stand 1g installed by second bearing.Described shift level via hole 1h is through hole, and is located at first bearing and installs immediately below heavy stand 1g, and shift level via hole 1h and two bearing is installed heavy stand 1g and is arranged to triangle disposition.
In addition, the trailing flank of described body 1 right part has two gearshift mechanism installing blind 1k, and these two gearshift mechanism installing blind 1k divide the left bottom and lower right that are located at described shift level via hole 1h, and are arranged to triangle disposition with shift level via hole 1h.Described body 1 lower right part has a venting plug mounting hole 1m, and body 1 outer wall is run through in one end of this venting plug mounting hole 1m, and the other end of venting plug mounting hole 1m runs through the chamber wall of die cavity 1c.
The foregoing is only preferred embodiment of the present invention, is not restriction with the present invention, and all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (3)
1. the left box body of a second gear electric vehicle transmission assembly, it is characterized in that: body (1) leading flank of this left box body is a circle mould assembling face, mould assembling face circumferentially has 8 bolt through-holes (1a) and 2 positioning pin holes (1b), and two positioning pin holes (1b) point are located at lower left quarter and the upper right quarter of body (1); The mould assembling face of described body (1) is located at die cavity (1c) periphery, this left part at the bottom of die cavity chamber has an output bevel gear mounting hole (1d), this output bevel gear mounting hole is pre-large post-small two-part shoulder hole, runs through the trailing flank of body (1) on rear side of it; Left part at the bottom of described die cavity (1c) chamber also has two through holes, one of them through hole is oil inlet hole (1e), and be positioned at described output bevel gear mounting hole (1d) upper left side, another one through hole is oil drain plug mounting hole (1f), and is positioned at output bevel gear mounting hole (1d) lower right; The degree of depth of described die cavity (1c) right part is greater than the degree of depth of its left part, have two bearings at the bottom of the chamber of its right part and heavy stand (1g) and a shift level via hole (1h) are installed, heavy stand (1g) installed by its middle (center) bearing is pre-large post-small two-part hierarchic structure, and second bearing installation heavy stand is located at first bearing installation heavy stand (1g) lower right; Described shift level via hole (1h) is through hole, and is located at first bearing and installs immediately below heavy stand (1g), and shift level via hole (1h) and two bearings are installed heavy stand (1g) and are arranged to triangle disposition;
The trailing flank of described body (1) right part has two gearshift mechanism installing blinds (1k), and these two gearshift mechanism installing blinds divide the left bottom and lower right that are located at described shift level via hole (1h); Described body (1) lower right part has a venting plug mounting hole (1m), and body (1) outer wall is run through in one end of this venting plug mounting hole, and its other end runs through the chamber wall of described die cavity (1c).
2. the left box body of second gear electric vehicle transmission assembly according to claim 1, it is characterized in that: be provided with one group of first radial reinforced rib (1n) at the bottom of the chamber of described die cavity (1c), it is peripheral that this first radial reinforced rib is circumferentially distributed in described output bevel gear mounting hole (1d); The trailing flank of described body (1) left part is provided with one group of second radial reinforced rib (1p), and this second radial reinforced rib is also circumferentially distributed in the periphery of output bevel gear mounting hole (1d).
3. the left box body of second gear electric vehicle transmission assembly according to claim 1 or 2, is characterized in that: described body (1) passes through casting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410559275.9A CN104455333A (en) | 2014-10-21 | 2014-10-21 | Left box of two-gear electric bicycle speed changer assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410559275.9A CN104455333A (en) | 2014-10-21 | 2014-10-21 | Left box of two-gear electric bicycle speed changer assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104455333A true CN104455333A (en) | 2015-03-25 |
Family
ID=52901872
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410559275.9A Pending CN104455333A (en) | 2014-10-21 | 2014-10-21 | Left box of two-gear electric bicycle speed changer assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104455333A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5832789A (en) * | 1995-12-27 | 1998-11-10 | Aisin Aw Co., Ltd. | Drive unit for an electric vehicle |
| JP2010242829A (en) * | 2009-04-03 | 2010-10-28 | Honda Motor Co Ltd | Lubricating structure of driving force transmission device |
| CN201944206U (en) * | 2011-01-24 | 2011-08-24 | 重庆风驰机械制造有限公司 | Two speed transmission for electrocar |
| CN202274066U (en) * | 2011-09-28 | 2012-06-13 | 重庆长安汽车股份有限公司 | Electric automobile reduction case |
| CN202413410U (en) * | 2011-12-07 | 2012-09-05 | 韶能集团韶关宏大齿轮有限公司 | High/low gear electric vehicle drive axle |
| CN202992046U (en) * | 2012-07-20 | 2013-06-12 | 重庆隆旺机电有限责任公司 | Electric vehicle two-gear manual variable speed driving system |
| CN204226609U (en) * | 2014-10-21 | 2015-03-25 | 重庆市霞艺汽车配件制造有限公司 | The left box body of second gear electric vehicle transmission assembly |
-
2014
- 2014-10-21 CN CN201410559275.9A patent/CN104455333A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5832789A (en) * | 1995-12-27 | 1998-11-10 | Aisin Aw Co., Ltd. | Drive unit for an electric vehicle |
| JP2010242829A (en) * | 2009-04-03 | 2010-10-28 | Honda Motor Co Ltd | Lubricating structure of driving force transmission device |
| CN201944206U (en) * | 2011-01-24 | 2011-08-24 | 重庆风驰机械制造有限公司 | Two speed transmission for electrocar |
| CN202274066U (en) * | 2011-09-28 | 2012-06-13 | 重庆长安汽车股份有限公司 | Electric automobile reduction case |
| CN202413410U (en) * | 2011-12-07 | 2012-09-05 | 韶能集团韶关宏大齿轮有限公司 | High/low gear electric vehicle drive axle |
| CN202992046U (en) * | 2012-07-20 | 2013-06-12 | 重庆隆旺机电有限责任公司 | Electric vehicle two-gear manual variable speed driving system |
| CN204226609U (en) * | 2014-10-21 | 2015-03-25 | 重庆市霞艺汽车配件制造有限公司 | The left box body of second gear electric vehicle transmission assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150325 |
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| RJ01 | Rejection of invention patent application after publication |