CN203836164U - Reducing mechanism and vehicle with same - Google Patents
Reducing mechanism and vehicle with same Download PDFInfo
- Publication number
- CN203836164U CN203836164U CN201420159148.5U CN201420159148U CN203836164U CN 203836164 U CN203836164 U CN 203836164U CN 201420159148 U CN201420159148 U CN 201420159148U CN 203836164 U CN203836164 U CN 203836164U
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- Prior art keywords
- gear
- lug boss
- enclosure body
- lid
- intermediate sleeve
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- 230000009467 reduction Effects 0.000 claims description 16
- 238000005266 casting Methods 0.000 claims description 6
- 238000000465 moulding Methods 0.000 claims description 6
- 230000000694 effects Effects 0.000 abstract description 7
- 230000005540 biological transmission Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 230000008719 thickening Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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Abstract
The utility model discloses a reducing mechanism and a vehicle with the same. The reducing mechanism comprises a mounting casing, a reducing gear set, an intermediate sleeve and a threaded fastener, wherein the mounting casing comprises a casing body and a cover body arranged on one side of the casing body; the reducing gear set at least comprises an input gear, an output gear and an intermediate gear; two ends of the intermediate sleeve are respectively propped against the inner wall surface of the cover body and the inner wall surface of the casing body; the intermediate gear sleeves the exterior of the intermediate sleeve and is separated from the intermediate sleeve; the threaded fastener penetrates through the intermediate sleeve and fastens the cover body to the casing body. The reducing mechanism ensures that the cover body and the casing body are fixed tightly through the threaded fastener, the two ends of the intermediate sleeve are respectively and tightly propped against to the cover body and the casing body and the threaded fastener can have the tensioning effect between the cover body and the casing body, improves the strength of the mounting casing, and effectively prevents deformation of the mounting casing.
Description
Technical field
The utility model relates to automobile technical field, especially relates to a kind of reducing gear and has the vehicle of this reducing gear.
Background technique
For gear type reducing gear, operated by rotary motion has a plurality of driving gears, for example, comprise an input gear, an intermediate gear and an output gear, and each gear is supported by bearing structure.When said gear transmission, may there is axial action trend in each gear, particularly for helical gear structure, the axial force that its intermediate gear is subject to is larger, make shell construction bear larger thrust power, when serious, may cause housing distortion seriously even to be torn, cause gear engagement position dislocation even to cause reducing gear to lose efficacy.
Current solution is by thickening thickness of shell or increases the intensity that reinforced rib structure improves housing, but this mode has not only increased the total quality of housing, simultaneously for the comparatively harsh situation of spatial requirement, increase housing volume increase that thickness of shell and reinforced rib bring and may cause the reducing gear cannot normal mounting, poor practicability.
Model utility content
The utility model is intended to solve at least to a certain extent one of above-mentioned technical problem of the prior art.
For this reason, an object of the present utility model is to propose a kind of reducing gear, this reducing gear is by setting up respectively the intermediate sleeve against enclosure body and lid, by threaded fastener, pass intermediate sleeve enclosure body and lid is fastening, thereby can improve the intensity of holder housing, improve the metaboly of holder housing.
Another object of the present utility model is to propose a kind of vehicle of reducing gear as mentioned above that has.
According to reducing gear of the present utility model, comprising: holder housing, described holder housing comprises enclosure body and lid, described lid is located at a side of described enclosure body; Train of reduction gears, described train of reduction gears is arranged in described holder housing, and described train of reduction gears at least comprises input gear, output gear and intermediate gear; Intermediate sleeve, the internal face of described lid and the internal face of described enclosure body are only supported respectively in the two ends of described intermediate sleeve, and it is outer and spaced apart with described intermediate sleeve that described intermediate gear is enclosed within described intermediate sleeve; And threaded fastener, described threaded fastener wears described intermediate sleeve and described lid and described enclosure body is fastening.
According to reducing gear of the present utility model; by threaded fastener is set, lid and enclosure body is fastening; make the two ends of intermediate sleeve respectively closely against lid and enclosure body; make threaded fastener to producing a tension effect between lid and enclosure body; increased the intensity of holder housing; effectively prevent holder housing distortion; reduced the probability that the train of reduction gears transmission causing due to holder housing distortion is abnormal or lost efficacy; make reducing gear more stable, reliable, and not yielding.
In addition, according to reducing gear of the present utility model, can also there is following additional technical feature:
A part for described enclosure body extends to form enclosure body lug boss towards described lid, a part for described lid extends to form lid lug boss towards described enclosure body, and described intermediate sleeve is folded between described enclosure body lug boss and described lid lug boss.
Described enclosure body lug boss and the moulding of described enclosure body integrally casting, described lid lug boss and the moulding of described lid integrally casting, described enclosure body lug boss and described lid lug boss each other over against.Thus, easy to process.
The end face toward each other of described enclosure body lug boss and described lid lug boss is plane, and the both ends of the surface of described intermediate sleeve are respectively plane and are close to respectively the end face of described enclosure body lug boss and described lid lug boss.Thus, facilitate intermediate sleeve to coordinate with enclosure body lug boss and lid lug boss.
In described enclosure body lug boss, be formed with tapped hole, in described lid lug boss, be formed with through hole, described threaded fastener is fixed in described tapped hole after passing described through hole, described intermediate sleeve.
Described intermediate gear is supported by bearing, between described bearing and described lid, is provided with adjustment pad.
Described threaded fastener is bolt.Thus, simple in structure, cost is low.
Described input gear and described output gear directly mesh with described intermediate gear respectively.
Described input gear, described output gear and described intermediate gear are helical gear.
According to embodiment on the other hand of the present utility model, a kind of vehicle that comprises above-mentioned reducing gear has been proposed.
Accompanying drawing explanation
Fig. 1 is according to the explosive view of the utility model embodiment's reducing gear, wherein not shown intermediate sleeve and threaded fastener;
Fig. 2 is that reducing gear shown in Fig. 1 is at the sectional view at intermediate gear place.
Embodiment
Describe embodiment of the present utility model below in detail, described embodiment's example is shown in the drawings, and wherein same or similar label represents same or similar element or has the element of identical or similar functions from start to finish.Below by the embodiment who is described with reference to the drawings, be exemplary, be intended to for explaining the utility model, and can not be interpreted as restriction of the present utility model.
In description of the present utility model, it will be appreciated that, term " " center ", " longitudinally ", " laterally ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", " clockwise ", orientation or the position relationship of indications such as " counterclockwise " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, rather than device or the element of indication or hint indication must have specific orientation, with specific orientation structure and operation, therefore can not be interpreted as restriction of the present utility model.
In addition, term " first ", " second " be only for describing object, and can not be interpreted as indication or hint relative importance or the implicit quantity that indicates indicated technical characteristics.Thus, one or more these features can be expressed or impliedly be comprised to the feature that is limited with " first ", " second ".In description of the present utility model, the implication of " a plurality of " is at least two, for example two, and three etc., unless otherwise expressly limited specifically.
In the utility model, unless otherwise clearly defined and limited, the terms such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and for example, can be to be fixedly connected with, and can be also to removably connect, or be integral; Can be mechanical connection, can be to be also electrically connected to; Can be to be directly connected, also can indirectly be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements.For the ordinary skill in the art, can understand as the case may be the concrete meaning of above-mentioned term in the utility model.
In the utility model, unless otherwise clearly defined and limited, First Characteristic Second Characteristic it " on " or D score can comprise that the first and second features directly contact, also can comprise that the first and second features are not directly contacts but contact by the other feature between them.And, First Characteristic Second Characteristic " on ", " top " and " above " comprise First Characteristic directly over Second Characteristic and oblique upper, or only represent that First Characteristic level height is higher than Second Characteristic.First Characteristic Second Characteristic " under ", " below " and " below " comprise First Characteristic under Second Characteristic and tiltedly, or only represent that First Characteristic level height is less than Second Characteristic.
Below with reference to Fig. 1-Fig. 2, describe in detail according to the utility model embodiment's reducing gear 100, this reducing gear 100 can be applied to mix and take offence in automobile, can realize the deceleration of drive motor outputting power is increased and turns round effect.
With reference to Fig. 1 and in conjunction with shown in Fig. 2, according to the utility model embodiment's reducing gear 100, can comprise holder housing 1, train of reduction gears 2, intermediate sleeve 3 and threaded fastener 4.
Shown in Fig. 1, holder housing 1 can comprise enclosure body 11 and lid 12, lid 12 can be located at a side of enclosure body 11, lid 12 can be by a plurality of bolton with enclosure body 11, between lid 12 and enclosure body 11, limit installation cavity, this installation cavity is for installing the parts such as above-mentioned train of reduction gears 2, intermediate sleeve 3.
As shown in Figure 1, train of reduction gears 2 is arranged in holder housing 1, and train of reduction gears 2 at least comprises input gear 21, output gear 23 and intermediate gear 22.For example, in an embodiment of the present utility model, train of reduction gears 2 only includes input gear 21, output gear 23 and 22 3 gears of intermediate gear, and input gear 21 directly meshes and be positioned at respectively the both sides of intermediate gear 22 with output gear 23 with intermediate gear 22.Thus, make the structure of reducing gear 100 compacter, volume is little.
Need explanation a bit, for the ordinary skill in the art, can be according to the reduction speed ratio that will obtain and the number of flexible design train of reduction gears 2 and the gear ratio between each gear.
Input gear 21 can be connected with the output shaft of drive motor, to receive the power from drive motor.Output gear 23 can or be connected with semiaxis with the input shaft/output shaft of speed changer, and output gear 23 is for outputting power.Be understandable that, input gear 21 and output gear 23 can be according to actual needs and are connected with the parts in power transmission system in vehicle, thereby transmission power, above-mentioned with input gear 21 be connected with drive motor, output gear 23 is connected with transmission input shaft/output shaft or semiaxis is only signal explanation, can not be interpreted as it is to a kind of restriction of the present utility model.
In certain embodiments, input gear 21, output gear 23 and intermediate gear 22 all can be helical gear, for example Involute Helical Gears.Owing to adopting helical gear structure, thus between gear when engagement driving, perpendicular to the active force of flank of tooth normal direction and gear shaft to and gear radially all there is certain angle.
Therefore radially when transmitting torque, certainly there is axial component, i.e. the suffered axial force of gear in flank of tooth stress.This axial force can be passed to holder housing 1 by bearing 5, and holder housing 1 may deform and even tear at load place due to strength deficiency, thereby causes gear generation axial float phenomenon, causes engagement between gear extremely even to be lost efficacy.Especially, for the train of reduction gears 2 shown in Fig. 1, intermediate gear 22 can be subject to two axial forces that input gear 21 and output gear 23 apply, so the probability that axial floats occur this intermediate gear 22 is larger.
In view of this, the intermediate sleeve 3 of setting up according to the utility model embodiment's reducing gear 100 is located in holder housing 1, as shown in Figure 2, the internal face of retaining cap body 12 and the internal face of enclosure body 11 are stopped respectively in the two ends of intermediate sleeve 3, it is outer and spaced apart with intermediate sleeve 3 that intermediate gear 22 is enclosed within intermediate sleeve 3, and threaded fastener 4 wears intermediate sleeve 3 and lid 12 and enclosure body 11 is fastening.
By threaded fastener 4 is set, lid 12 and enclosure body 11 is fastening; make the two ends of intermediate sleeve 3 respectively closely against lid 12 and enclosure body 11; make can produce a tension effect between 4 pairs of lids 12 of threaded fastener and enclosure body 11; increased the intensity of holder housing 1; effectively prevent holder housing 1 distortion; reduced the probability that train of reduction gears 2 transmissions that cause due to holder housing 1 distortion are abnormal or lost efficacy; make reducing gear 100 more stable, reliable, and not yielding.
And because the stiffening effect of 4 pairs of holder housings 1 of threaded fastener is better, that therefore holder housing 1 can be processed is relatively thin, also can cancel traditional reinforcing rib structure, thereby reduce the volume of holder housing 1 simultaneously, is convenient to the layout of reducing gear 100.
But, should be understood that, for the more abundant situation of arrangement space, for the intensity of erection & lift housing 1 better, reinforcing rib structure or thickening holder housing 1 also can be set.
In addition, it should be noted that, it is the parts that have screw thread and a plurality of parts can be tightened together that above-mentioned " threaded fastener 4 " can be understood as.For example, in embodiments more of the present utility model, this threaded fastener 4 can be bolt, and simple in structure thus, cost is low, but the utility model is not limited to this.
In embodiments more of the present utility model, as shown in Figure 2, a part for enclosure body 11 extends to form enclosure body lug boss 111 towards lid 12, a part for lid 12 extends to form lid lug boss 121 towards enclosure body 11, and above-mentioned intermediate sleeve 3 is folded between enclosure body lug boss 111 and lid lug boss 121.In other words, the end face of one end of intermediate sleeve 3 is resisted against on the end face of enclosure body lug boss 111, and the end face of the other end of intermediate sleeve 3 is resisted against on the end face of lid lug boss 121.
Further, for simplified manufacturing technique, reduce process step, enclosure body lug boss 111 can with enclosure body 11 integrally casting moulding.Similarly, lid lug boss 121 can with lid 12 integrally casting moulding, and enclosure body lug boss 111 and lid lug boss 121 can be over against on the thickness direction of holder housing 1, are convenient to like this coordinate with intermediate sleeve 3, and easy to assembly.
As a kind of optional mode of execution, as shown in Figure 2, the end face toward each other of enclosure body lug boss 111 and lid lug boss 121 is plane, be plane 1111,1211, the both ends of the surface of intermediate sleeve 3 are respectively plane and are close to respectively enclosure body lug boss 111 and the end face of lid lug boss 121.Adopting plane to coordinate can, so that coordinate closely between intermediate sleeve 3 and enclosure body lug boss 111 and lid lug boss 121, make the tension effect of 4 pairs of enclosure body 11 of threaded fastener and lid 12 better.
Therein in some embodiments, as shown in Figure 2, in enclosure body lug boss 111, be formed with tapped hole 112, this tapped hole 112 can and be preferably placed at enclosure body lug boss 111 center for blind hole form, in lid lug boss 121, be formed with through hole 122, this through hole 122 connects lid lug boss 121 along the thickness direction of holder housing 1, and this through hole 122 can be positioned at lid lug boss 121 center, this through hole 122 can be unthreaded hole, but is not limited to this.
After passing this through hole 122, intermediate sleeve 3, threaded fastener 4 is fixed in tapped hole 112.Thus, convenient fixing, can prevent that intermediate sleeve 3 is separated with enclosure body lug boss 111 and lid lug boss 121 due to factors such as high vibrations simultaneously, guarantee that intermediate sleeve 3 coordinates with enclosure body lug boss 111 and lid lug boss 121 reliably, promote the tension effect of threaded fastener 4.
Shown in Fig. 2, intermediate gear 22 is supported by bearing 5, bearing 5 can be bearing in respectively the both sides of intermediate gear 22, can be provided with and adjust pad 6 between bearing 5 and the internal face of lid 12, makes the supporting force of bearing 5 can be passed to holder housing 1 and be born by holder housing 1.
Generally speaking, according to the reducing gear 100 of a preferred embodiment of the utility model, can comprise three driving gears, it is intermediate gear 22 and respectively with intermediate gear 22 engagement and be positioned at input gear 21 and the output gear 23 of intermediate gear 22 both sides, intermediate sleeve 3 is positioned at intermediate gear 22 spaced apart diametrically, bolt is through through hole 122, after intermediate sleeve 3, be fixed in tapped hole 112, make the end face at two ends of intermediate sleeve 3 respectively against between lid lug boss 121 and enclosure body lug boss 111, by the tensioning function of bolt, increased the intensity of holder housing 1, improved the stressed excessive and phenomenon that deforms of holder housing 1, simultaneously owing to being provided with the cause of bolt, can also shorten the span of three gears to a certain extent, make reducing gear 100 more stable, not yielding.
In addition,, according to the utility model embodiment on the other hand, a kind of vehicle with above-mentioned reducing gear 100 has also been proposed.Such as power system, transmission system, steering system and braking system etc. of other structure for vehicle has been all prior art, and is well known for ordinary skill in the art, and therefore repeats no longer one by one here.
In the description of this specification, the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to be contained at least one embodiment of the present utility model or example in conjunction with specific features, structure, material or the feature of this embodiment or example description.In this manual, to the schematic statement of above-mentioned term not must for be identical embodiment or example.And the specific features of description, structure, material or feature can be with suitable mode combinations in any one or more embodiments or example.In addition, those skilled in the art can engage the different embodiments that describe in this specification or example and combine.
Although illustrated and described embodiment of the present utility model above, be understandable that, above-described embodiment is exemplary, can not be interpreted as restriction of the present utility model, those of ordinary skill in the art can change above-described embodiment in scope of the present utility model, modification, replacement and modification.
Claims (10)
1. a reducing gear, is characterized in that, comprising:
Holder housing, described holder housing comprises enclosure body and lid, described lid is located at a side of described enclosure body;
Train of reduction gears, described train of reduction gears is arranged in described holder housing, and described train of reduction gears at least comprises input gear, output gear and intermediate gear;
Intermediate sleeve, the internal face of described lid and the internal face of described enclosure body are only supported respectively in the two ends of described intermediate sleeve, and it is outer and spaced apart with described intermediate sleeve that described intermediate gear is enclosed within described intermediate sleeve; And
Threaded fastener, described threaded fastener wears described intermediate sleeve and described lid and described enclosure body is fastening.
2. reducing gear according to claim 1, it is characterized in that, a part for described enclosure body extends to form enclosure body lug boss towards described lid, a part for described lid extends to form lid lug boss towards described enclosure body, and described intermediate sleeve is folded between described enclosure body lug boss and described lid lug boss.
3. reducing gear according to claim 2, it is characterized in that, described enclosure body lug boss and the moulding of described enclosure body integrally casting, described lid lug boss and the moulding of described lid integrally casting, described enclosure body lug boss and described lid lug boss each other over against.
4. reducing gear according to claim 3, it is characterized in that, the end face toward each other of described enclosure body lug boss and described lid lug boss is plane, and the both ends of the surface of described intermediate sleeve are respectively plane and are close to respectively the end face of described enclosure body lug boss and described lid lug boss.
5. reducing gear according to claim 3, it is characterized in that, in described enclosure body lug boss, be formed with tapped hole, in described lid lug boss, be formed with through hole, described threaded fastener is fixed in described tapped hole after passing described through hole, described intermediate sleeve.
6. reducing gear according to claim 1, is characterized in that, described intermediate gear is supported by bearing, between described bearing and described lid, is provided with adjustment pad.
7. reducing gear according to claim 1, is characterized in that, described threaded fastener is bolt.
8. reducing gear according to claim 1, is characterized in that, described input gear and described output gear directly mesh with described intermediate gear respectively.
9. reducing gear according to claim 1, is characterized in that, described input gear, described output gear and described intermediate gear are helical gear.
10. a vehicle, is characterized in that, comprises according to the reducing gear described in any one in claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420159148.5U CN203836164U (en) | 2014-04-02 | 2014-04-02 | Reducing mechanism and vehicle with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420159148.5U CN203836164U (en) | 2014-04-02 | 2014-04-02 | Reducing mechanism and vehicle with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203836164U true CN203836164U (en) | 2014-09-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420159148.5U Expired - Lifetime CN203836164U (en) | 2014-04-02 | 2014-04-02 | Reducing mechanism and vehicle with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203836164U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108709239A (en) * | 2018-05-09 | 2018-10-26 | 青岛海尔空调器有限总公司 | Wind-guiding component and cabinet type air conditioner indoor set with the wind-guiding component |
-
2014
- 2014-04-02 CN CN201420159148.5U patent/CN203836164U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108709239A (en) * | 2018-05-09 | 2018-10-26 | 青岛海尔空调器有限总公司 | Wind-guiding component and cabinet type air conditioner indoor set with the wind-guiding component |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140917 |