CN204610777U - Speed changer - Google Patents
Speed changer Download PDFInfo
- Publication number
- CN204610777U CN204610777U CN201520294094.8U CN201520294094U CN204610777U CN 204610777 U CN204610777 U CN 204610777U CN 201520294094 U CN201520294094 U CN 201520294094U CN 204610777 U CN204610777 U CN 204610777U
- Authority
- CN
- China
- Prior art keywords
- speed change
- gear
- change gears
- sheet material
- gears
- 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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Abstract
The utility model discloses a kind of speed changer, the sheet material that the sheet material and one that speed change gear support comprises a traverse is placed vertically, the sheet material of traverse and the sheet material placed vertically while be connected, the hole that in the middle part of the sheet material of traverse, reserved power supply machine rotating shaft is passed through, the another side of the sheet material placed vertically is connected with a small-sized transverse slat, and the middle part of small-sized transverse slat is reserved with the hole of the restriction rotating shaft location supplying connection No. three speed change gears and No. four speed change gears; No. two speed change gears and No. three speed change gears are connected with a joggle; A speed change gear and No. two speed change gear concentrics, and be fixedly connected with; No. three speed change gears and No. four speed change gear concentrics, and be fixedly connected with.The utility model, compared with conventional transmissions, has that steadiness is high, not easily aging, long service life, teeth not easy tooth-breaking and wear-resisting advantage, and gear sheath and gear protecting cover serve the effect of decoration, possess the value promoted the use of.
Description
Technical field
The utility model belongs to motor power conversion art, is specifically related to speed changer.
Background technique
Speed changer is used to change from the rotating speed of motor and the mechanism of torque, and it can be fixed or stepping changes output shaft and input shaft velocity ratio, also known as gearbox.Speed changer is made up of variable transmission mechanism and operating mechanism, and some automobile also has power take-off mechanism.The large multiplex ordinary gear transmission of driving mechanism, what also have uses Planetary Gear Transmission.Ordinary gear transmission shifting mechanism generally uses shifting slide gear and synchronizer etc.
Change velocity ratio, meet the needs of different driving conditions to tractive force, under making motor be operated in favourable operating mode, meet possible travelling speed requirement as far as possible.The size of moment of torsion on the size of automobile driving speed and automobile driving wheel is changed in a big way.Because automobile running condition is different, require that automobile driving speed and driving torque can in very large range change.
What existing speed changer major part speed change gear support adopted is plastics, easily occurs aging, not wear-resisting problem, and because the defect that steadiness is not high may appear in the problem of compound mode, is badly in need of making improvements.
Model utility content
The purpose of this utility model is just the speed changer provided to solve the problem.
The utility model is achieved through the following technical solutions above-mentioned purpose:
Speed changer, comprises gear sheath, gear protecting cover, gear protecting cover shell fragment, a speed change gear, No. two speed change gears, speed change gear support, No. three speed change gears and No. four speed change gears,
The sheet material that the sheet material and one that speed change gear support comprises a traverse is placed vertically, the sheet material of traverse and the sheet material placed vertically while be connected, the hole that in the middle part of the sheet material of traverse, reserved power supply machine rotating shaft is passed through, the another side of the sheet material placed vertically is connected with a small-sized transverse slat, and the middle part of small-sized transverse slat is reserved with the hole of the restriction rotating shaft location supplying connection No. three speed change gears and No. four speed change gears;
The rotating shaft of motor is successively through hole, the center hole of No. two speed change gears and the center hole of a speed change gear reserved in the middle part of the sheet material of traverse, wherein reserved in the middle part of the rotating shaft of motor and the sheet material of traverse hole is non-contact condition, and the center hole of the center hole of the rotating shaft of motor and No. two speed change gears and a speed change gear is contact condition;
Limit rotating shaft successively through hole, the center hole of No. three speed change gears and the center hole of No. four speed change gears that the middle part of small-sized transverse slat is reserved, the hole that the middle part wherein limiting rotating shaft and the small-sized transverse slat of horizontal stroke is reserved is non-contact condition, limits rotating shaft and the center hole of No. three speed change gears and the center hole of No. four speed change gears and is contact condition;
No. two speed change gears and No. three speed change gears are connected with a joggle;
A speed change gear and No. two speed change gear concentrics, and be fixedly connected with;
No. three speed change gears and No. four speed change gear concentrics, and be fixedly connected with;
Gear protecting cover shell fragment, gear protecting cover and gear sheath are successively set on a speed change gear top.
Particularly, a speed change gear is 5 teeth, and No. two speed change gears are 28 teeth, No. three speed change gears be 12 teeth and No. four speed change gears are 34 teeth.
Further, gear sheath and gear protecting cover are polyoxymethylene thermoplastic crystalline polymer and make;
Gear protecting cover shell fragment is that stainless steel material is made;
Speed change gear, No. two speed change gears, No. three speed change gears and No. four speed change gears are metallurgical material and make;
Speed change gear support is cold drawing.
Beneficial effect is: the utility model is compared with conventional transmissions, have that steadiness is high, not easily aging, long service life, teeth not easy tooth-breaking and wear-resisting advantage, and gear sheath and gear protecting cover serve the effect of decoration, possess the value promoted the use of.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model speed changer.
In figure: 1, gear sheath; 2, gear protecting cover; 3, gear protecting cover shell fragment; 4, a speed change gear; 5, No. two speed change gears; 6, speed change gear support; 7, No. three speed change gears; 8, No. four speed change gears.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail:
As shown in Figure 1, speed changer, comprise gear sheath 1, gear protecting cover 2, gear protecting cover shell fragment 3, a speed change gear 4, No. two speed change gears 5, speed change gear support 6, No. three speed change gears 7 and No. four speed change gears 8, the sheet material that the sheet material and one that speed change gear support 6 comprises a traverse is placed vertically, the sheet material of traverse and the sheet material placed vertically while be connected, the hole that in the middle part of the sheet material of traverse, reserved power supply machine rotating shaft is passed through, the another side of the sheet material placed vertically is connected with a small-sized transverse slat, the middle part of small-sized transverse slat is reserved with the hole of the restriction rotating shaft location supplying connection No. three speed change gears 7 and No. four speed change gears 8,
The rotating shaft of motor is successively through hole, the center hole of No. two speed change gears 5 and the center hole of a speed change gear 4 reserved in the middle part of the sheet material of traverse, wherein reserved in the middle part of the rotating shaft of motor and the sheet material of traverse hole is non-contact condition, and the center hole of the center hole of the rotating shaft of motor and No. two speed change gears 5 and a speed change gear 4 is contact condition;
Limit rotating shaft successively through hole, the center hole of No. three speed change gears 7 and the center hole of No. four speed change gears 8 that the middle part of small-sized transverse slat is reserved, the hole that the middle part wherein limiting rotating shaft and the small-sized transverse slat of horizontal stroke is reserved is non-contact condition, limits rotating shaft and the center hole of No. three speed change gears 7 and the center hole of No. four speed change gears 8 and is contact condition;
No. two speed change gears 5 and No. three speed change gears 7 are connected with a joggle;
A speed change gear 4 and No. two speed change gear 5 concentrics, and be fixedly connected with;
No. three speed change gears 7 and No. four speed change gear 8 concentrics, and be fixedly connected with;
Gear protecting cover shell fragment 3, gear protecting cover 2 and gear sheath 1 are successively set on speed change gear 4 top.
A speed change gear 4 is 5 teeth, and No. two speed change gears 5 are 28 teeth, No. three speed change gears 7 be 12 teeth and No. four speed change gears 8 are 34 teeth.
Gear sheath 1 and gear protecting cover 2 are made for polyoxymethylene thermoplastic crystalline polymer, certain gear protecting cover or can also with stainless steel material;
Gear protecting cover shell fragment 3 is made for stainless steel material;
A speed change gear 4, No. two speed change gears 5, No. three speed change gears 7 and No. four speed change gears 8 are metallurgical material and make;
Speed change gear support 6 is cold drawing.
Working principle: the conversion of 4 large small gears, plays and is operated by the height of height motor, convert low-speed running to, thus increase the torsion of motor.Compared with conventional transmissions, have that steadiness is high, not easily aging, long service life, teeth not easy tooth-breaking and wear-resisting advantage, and gear sheath 1 and gear protecting cover 2 serve the effect of decoration.
More than show and describe basic principle of the present utility model, major character and advantage.The technician of the industry should understand; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and specification just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and effect thing thereof.
Claims (3)
1. speed changer, is characterized in that: comprise gear sheath, gear protecting cover, gear protecting cover shell fragment, a speed change gear, No. two speed change gears, speed change gear support, No. three speed change gears and No. four speed change gears,
The sheet material that the sheet material and one that speed change gear support comprises a traverse is placed vertically, the sheet material of traverse and the sheet material placed vertically while be connected, the hole that in the middle part of the sheet material of traverse, reserved power supply machine rotating shaft is passed through, the another side of the sheet material placed vertically is connected with a small-sized transverse slat, and the middle part of small-sized transverse slat is reserved with the hole of the restriction rotating shaft location supplying connection No. three speed change gears and No. four speed change gears;
The rotating shaft of motor is successively through hole, the center hole of No. two speed change gears and the center hole of a speed change gear reserved in the middle part of the sheet material of traverse, wherein reserved in the middle part of the rotating shaft of motor and the sheet material of traverse hole is non-contact condition, and the center hole of the center hole of the rotating shaft of motor and No. two speed change gears and a speed change gear is contact condition;
Limit rotating shaft successively through hole, the center hole of No. three speed change gears and the center hole of No. four speed change gears that the middle part of small-sized transverse slat is reserved, the hole that the middle part wherein limiting rotating shaft and the small-sized transverse slat of horizontal stroke is reserved is non-contact condition, limits rotating shaft and the center hole of No. three speed change gears and the center hole of No. four speed change gears and is contact condition;
No. two speed change gears and No. three speed change gears are connected with a joggle;
A speed change gear and No. two speed change gear concentrics, and be fixedly connected with;
No. three speed change gears and No. four speed change gear concentrics, and be fixedly connected with;
Gear protecting cover shell fragment, gear protecting cover and gear sheath are successively set on a speed change gear top.
2. speed changer according to claim 1, is characterized in that: a speed change gear is 5 teeth, and No. two speed change gears are 28 teeth, No. three speed change gears be 12 teeth and No. four speed change gears are 34 teeth.
3. speed changer according to claim 1, is characterized in that: gear sheath and gear protecting cover are polyoxymethylene thermoplastic crystalline polymer and make;
Gear protecting cover shell fragment is that stainless steel material is made;
Speed change gear, No. two speed change gears, No. three speed change gears and No. four speed change gears are metallurgical material and make;
Speed change gear support is cold drawing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520294094.8U CN204610777U (en) | 2015-05-08 | 2015-05-08 | Speed changer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520294094.8U CN204610777U (en) | 2015-05-08 | 2015-05-08 | Speed changer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204610777U true CN204610777U (en) | 2015-09-02 |
Family
ID=53963345
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520294094.8U Expired - Fee Related CN204610777U (en) | 2015-05-08 | 2015-05-08 | Speed changer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204610777U (en) |
-
2015
- 2015-05-08 CN CN201520294094.8U patent/CN204610777U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20150902 Termination date: 20190508 |