CN206344081U - Steering engine gear shaft pressing device - Google Patents
Steering engine gear shaft pressing device Download PDFInfo
- Publication number
- CN206344081U CN206344081U CN201621492444.2U CN201621492444U CN206344081U CN 206344081 U CN206344081 U CN 206344081U CN 201621492444 U CN201621492444 U CN 201621492444U CN 206344081 U CN206344081 U CN 206344081U
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- Prior art keywords
- gear shaft
- steering wheel
- wheel gear
- deceleration box
- compression device
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- 230000007246 mechanism Effects 0.000 claims abstract description 27
- 230000006835 compression Effects 0.000 claims description 23
- 238000007906 compression Methods 0.000 claims description 23
- 235000019994 cava Nutrition 0.000 claims description 2
- 230000009467 reduction Effects 0.000 abstract description 9
- 230000005540 biological transmission Effects 0.000 abstract description 6
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- 239000011435 rock Substances 0.000 description 1
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Abstract
The utility model relates to a steering wheel gear shaft last item is put. A be used for assembling steering wheel gear shaft and reduction box, include: the base is provided with a first positioning mechanism for positioning the reduction box body; the guide shaft is vertically arranged on the base; the pressing plate is arranged opposite to the base and can translate along the guide shaft; and the pressing shaft template is provided with a gear shaft positioning hole penetrating through the pressing shaft template, and the pressing shaft template is provided with a second positioning mechanism for positioning the pressing shaft template on the reduction box body. When the gear box is used, the second positioning mechanism is positioned on the gear box body, the steering gear shaft is placed in the gear shaft positioning hole, the combined gear box body, the pressing shaft template and the steering gear shaft are placed on the base together, the pressing plate is placed on the steering gear shaft through positioning of the first positioning mechanism, then external force acts on the pressing plate, the steering gear shaft is pressed into the corresponding gear shaft hole in the gear box body, the transmission precision is improved, and the relative position between the shafts is also guaranteed.
Description
Technical field
The utility model is related to steering wheel field, more particularly to a kind of steering wheel gear shaft axial compression device.
Background technology
Steering wheel is generally used for controlling the anglec of rotation or provides the occasion of high torsion, and such as model plane control is turned to, head
Control, manipulator provide the fields such as power.Steering wheel reduction box is the important part of steering wheel.
Traditional steering wheel reduction box is made up of multi-stage gear, as shown in figure 1, steering wheel reduction box is by level Four deceleration system structure
Into, including motor gear 1, one-level tooth 2, secondary gear 3, three-level tooth 4, output gear 5 and spring bearing 6.Motor gear 1 is installed on motor shaft
On, positioned by motor boss with the deceleration box 20 shown in Fig. 2, output gear 5 passes through two spring bearings 6 and deceleration box 20
Positioning.
The gear shaft holes 21 with the relative set of steering wheel gear shaft 30, the one-level of steering wheel reduction box are offered on deceleration box 20
Tooth 2, secondary gear 3 and three-level tooth 4 are by the gear shaft holes 21 of the location and installation of steering wheel gear shaft 30 to deceleration box 20, with reality
The assembling of existing steering wheel gear shaft 30 and deceleration box 20.
Traditional steering wheel gear shaft and the assembly method of deceleration box have following two：
The first：Under conditions of there is gap between steering wheel gear shaft and the gear shaft holes of deceleration box, by steering wheel tooth
Wheel shaft is placed directly in casing；
Second：It is not present between steering wheel gear shaft and the gear shaft holes of deceleration box under conditions of gap, by steering wheel
Gear shaft single shaft is pressed into casing by pressure respectively.
However, for the first assembly method, between existing between steering wheel gear shaft and the gear shaft holes of deceleration box
Gap, then the position of steering wheel gear shaft do not fix, have impact on the transmission accuracy of gear train；Simultaneously as steering wheel gear shaft is not solid
It is fixed, cause steering wheel gear shaft easily to rock, or even drop.For second of assembly method, although the position of steering wheel gear shaft is solid
It is fixed, but the position of single gear shaft can only be ensured during last item, it is impossible to ensure the distance between each axle and position of related features, especially
Steering wheel gear shaft can not be ensured relative to output gear and the relative position relation of motor gear.
Utility model content
Based on this, it is necessary to provide a kind of transmission accuracy that can be improved after steering wheel gear shaft and deceleration box assembling and guarantor
Demonstrate,prove the steering wheel gear shaft axial compression device of the relative position between each axle.
A kind of steering wheel gear shaft axial compression device, for assembling steering wheel gear shaft and deceleration box, the steering wheel gear shaft pressure
Shaft device includes：
The first detent mechanism for positioning the deceleration box is provided with base, the base；
The axis of guide, is erected on the base；
Pressing plate, is oppositely arranged with the base, and the pressing plate can be translated along the axis of guide；
And last item template,
The gear shaft positioning hole through the last item template is offered in the last item template, the last item template is provided with
For by the last item Template Location in the second detent mechanism of the deceleration box.
Above-mentioned steering wheel gear shaft axial compression device by the second detent mechanism of last item template in use, be positioned at deceleration box
On, steering wheel gear shaft is positioned in gear shaft positioning hole, the deceleration box, last item template and steering wheel gear shaft after combination are together
It is placed on base, is realized and positioned by the first detent mechanism, pressing plate is placed on steering wheel gear shaft, external force acts on pressing plate afterwards
On, pressing plate can be made to be translated along the axis of guide, steering wheel gear shaft can be pressed on deceleration box in corresponding gear shaft holes, so that complete
Into the assembling of steering wheel gear shaft and deceleration box, the transmission accuracy after steering wheel gear shaft and deceleration box assembling was both improved, also
It ensure that the relative position between each axle.
In one of the embodiments, first detent mechanism includes being arranged on the base and with for positioning
The groove of the outline of the deceleration box.
In one of the embodiments, first detent mechanism includes the motor for being used to position the deceleration box respectively
The first positioning convex and the second positioning convex of the bearing hole of hole and the deceleration box.
In one of the embodiments, first positioning convex and second positioning convex are relative with the pressing plate
Surface caves inward to form blind hole.
In one of the embodiments, the steering wheel gear shaft axial compression device also includes being sheathed on outside the axis of guide
Flexible member, the two ends of the flexible member can be abutted against with the base, the pressing plate respectively.
In one of the embodiments, the flexible member is spring.
In one of the embodiments, second detent mechanism includes being used to that the electricity of the deceleration box can be respectively embedded into
3rd positioning step of the bearing hole of machine hole and the deceleration box and the 4th positioning step.
In one of the embodiments, the last item template surface relative with the deceleration box be provided with can with it is described
The 5th positioning step that deceleration box is abutted against, the gear shaft positioning hole runs through the 5th positioning step.
In one of the embodiments, the last item template has chamfering.
In one of the embodiments, the number of the axis of guide is 4, and 4 axis of guides are evenly distributed on described
Around first detent mechanism.
Brief description of the drawings
Fig. 1 is the schematic diagram of steering wheel reduction box；
Fig. 2 is the schematic diagram of deceleration box in steering wheel；
Fig. 3 is the steering wheel gear shaft axial compression device, steering wheel gear shaft and deceleration box of the embodiment of the utility model one
Decomposing schematic representation；
Fig. 4 is the schematic diagram of the last item template of the embodiment of the utility model one.
Embodiment
To enable above-mentioned purpose of the present utility model, feature and advantage more obvious understandable, below in conjunction with the accompanying drawings to this
The embodiment of utility model is described in detail.Elaborate many details in order to abundant in the following description
Understand the utility model.But the utility model can be implemented with being much different from other manner described here, this area
Technical staff can do similar improvement in the case of without prejudice to the utility model intension, therefore the utility model is not by following public affairs
The limitation for the specific embodiment opened.
The utility model provides a kind of steering wheel gear shaft axial compression device for being used to assemble steering wheel gear shaft and deceleration box, with
Improve the transmission accuracy after steering wheel gear shaft and deceleration box assembling and ensure the relative position between each axle.
Fig. 3 is referred to, the steering wheel gear shaft axial compression device 100 of an embodiment includes base 110, the axis of guide 120, pressing plate
130th, last item template 140 and the flexible member 150 being sheathed on outside the axis of guide 120.Deceleration box 20 and steering wheel gear shaft 30
It is located at the both sides of last item template 140 respectively.
The first detent mechanism 112 for positioning deceleration box 20 is provided with base 110.Also referring to Fig. 2, first
Detent mechanism 112 includes being arranged on base 110 and has the groove 1121 for the outline for being used to position deceleration box 20, is used for
The first positioning convex 1122 and second for fixing the motor hole 22 of deceleration box 20 and the bearing hole 23 of deceleration box 20 respectively is fixed
Position projection 1123.Groove 1121, the first positioning convex 1122 and the three of the second positioning convex 1123 coordinate deceleration box 20
It is positioned on base 110, it can be ensured that the position of deceleration box 20 is accurate, while ensure that steering wheel gear shaft is filled with deceleration box
Stability during matching somebody with somebody.
In present embodiment the first positioning convex 1122 surface relative with pressing plate 130 with the second positioning convex 1123 to
Sunken inside formation blind hole, as shown in Figure 3.The purpose so set is can to save the first positioning convex 1122 and the second convex
Rise 1123 material, be conducive to save cost.
The cross sectional shape of the blind hole of the first positioning convex 1122 and the second positioning convex 1123 is circle in present embodiment
Shape, certainly, the cross sectional shape not limited to this of blind hole also can be the other shapes such as rectangle.In addition, can also be not provided with blind hole.
As shown in figure 3, the axis of guide 120 is erected on base 110, play a part of supporting and guiding last item template 140.This
The number of the axis of guide 120 is 4 in embodiment, and 4 axis of guides 120 are evenly distributed on around the first detent mechanism 112.This
The benefit that sample is set is that deceleration box 20, steering wheel gear shaft 30 and last item template 140 are respectively positioned on 4 axis of guides in assembling process
Within 120 regions surrounded, 4 axis of guides 120 can play a part of preferably support and guiding last item template 140.
Pressing plate 130 is oppositely arranged with base 110, and pressing plate 130 can be translated along the axis of guide 120.Specifically, being opened on pressing plate 130
The through hole that the axis of guide 120 is passed through can be made provided with 4, the axis of guide 120 is passed through after above-mentioned through hole, pressing plate 130 is along the axis of guide 120
Axial direction is translated, so as to which steering wheel gear shaft 30 is pressed on deceleration box 20 in corresponding gear shaft holes 21.Pressing plate 130
Size can be configured according to actual needs.
Last item template 140 is used to position steering wheel gear shaft 30.Also referring to Fig. 4, offer and run through in last item template 140
The gear shaft positioning hole 141 of last item template 140, and last item template 140 by last item template 140 provided with for being positioned at reduction box
Second detent mechanism 142 of body 20.
Gear shaft positioning hole 141 is correspondingly arranged with the gear axis hole 21 of deceleration box 20, i.e., gear shaft positioning hole 141 is with subtracting
The number and distribution situation of the fast gear axis hole 21 of casing 20 are consistent.In addition, the internal diameter and rudder of gear shaft positioning hole 141
The outside dimension of machine gear shaft 30 is identical, therefore, between being not present during assembling between gear shaft positioning hole 141 and steering wheel gear shaft 30
Gap, can avoid steering wheel gear shaft 30 from being rocked in gear shaft positioning hole 141 and influence assembly precision.
In present embodiment, due to 3 gear shaft holes 21 corresponding with gear shaft positioning hole 141 on deceleration box 20
End face is not at approximately the same plane, as shown in Figures 2 and 3, the end face of two gear shaft holes 21 of the upper left side of deceleration box 20
Higher than the end face of rightmost side gear shaft holes 21.Therefore, being provided with the surface relative with deceleration box 20 of last item template 140 can be with
The 5th positioning step 1412 that deceleration box 20 is abutted against, as shown in Figure 4, the gear shaft positioning hole 141 of the rightmost side is through the
Five positioning steps 1412.After so setting, after last item template 140 is fixed with deceleration box 20, last item template 140 is in 3 teeth
Position where wheel shaft positioning hole 141 can be abutted against with deceleration box 20 in the position where 3 corresponding gear shaft holes 21,
So as to improve the stability after last item template 140 is positioned with deceleration box 20, it is to avoid produce error.
Certainly, the form not limited to this of gear shaft positioning hole 141, it can be according to the gear shaft holes 21 correspondingly set
Form is changed, as long as the end of the two can be made to fit.
Second detent mechanism 142 can be embedded in deceleration box 20, for last item template 140 to be positioned at into deceleration box 20
On.Specifically, the second detent mechanism 142 in present embodiment includes being used to that the motor hole 21 of deceleration box 20 can be respectively embedded into
With the 3rd positioning step 1421 and the 4th positioning step 1422 of the bearing hole 22 of deceleration box 20.The 3rd determines in present embodiment
The size of position step 1421 is identical with the size in the motor hole 21 of deceleration box 20, therefore gap is not present therebetween, can
Avoid rocking and influence assembly precision.Likewise, the size of the 4th positioning step 1422 and the bearing hole 22 of deceleration box 20
Size is identical, and gap is also not present therebetween, can avoid rocking and influenceing assembly precision.
In addition, the last item template 140 of present embodiment can reduce last item template 140 after having chamfering, setting chamfering
Volume, so as to save a part of material cost.Certainly, chamfering can be also not provided with last item template 140.In addition, last item template
140 process acquisition by precision optical machinery, to reduce mismachining tolerance, so as to improve precision.
Have elastic component 150 as shown in figure 3, being set in present embodiment outside the axis of guide 120.Elasticity member after assembling
The two ends of part 150 are abutted against with base 110, pressing plate 130 respectively.The flexible member 150 of present embodiment is spring.Certainly, bullet
Property element 150 also can play the element of elastic reaction for other.Flexible member 150 can play support during last item
The effect of pressing plate 130, makes the slowly pressure steering wheel gear shaft 30 of pressing plate 130, it is to avoid pressure speed is too fast and damages steering wheel gear shaft 30.
Furthermore, it is necessary to explanation, steering wheel gear shaft axial compression device not limited to this of the present utility model, last item template 140
Size, position of gear axle positioning hole 141 and the second detent mechanism 142 etc. can be according to steering wheel gear shaft 30 number, size
And distribution situation is configured.
Steering wheel gear shaft axial compression device of the present utility model subtracts in use, the second detent mechanism of last item template is positioned at
On fast casing, steering wheel gear shaft is positioned in gear shaft positioning hole, deceleration box, last item template and steering wheel gear after combination
Axle is placed on base together, is realized and positioned by the first detent mechanism, pressing plate is placed on steering wheel gear shaft, and external force is acted on afterwards
In on pressing plate, pressing plate can be made to be translated along the axis of guide, steering wheel gear shaft can be pressed on deceleration box in corresponding gear shaft holes,
So as to complete the assembling of steering wheel gear shaft and deceleration box, the transmission essence after steering wheel gear shaft and deceleration box assembling had both been improved
Degree, it is ensured that the relative position between each axle.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
Apply all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, the scope of this specification record is all considered to be.
Embodiment described above only expresses several embodiments of the present utility model, and it describes more specific and detailed,
But therefore it can not be interpreted as the limitation to utility model patent scope.It should be pointed out that for the common skill of this area
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
Protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (10)
1. a kind of steering wheel gear shaft axial compression device, for assembling steering wheel gear shaft and deceleration box, it is characterised in that the steering wheel
Gear shaft axial compression device includes：
The first detent mechanism for positioning the deceleration box is provided with base, the base；
The axis of guide, is erected on the base；
Pressing plate, is oppositely arranged with the base, and the pressing plate can be translated along the axis of guide；
And last item template,
The gear shaft positioning hole through the last item template is offered in the last item template, the last item template, which is provided with, to be used for
By the last item Template Location in the second detent mechanism of the deceleration box.
2. steering wheel gear shaft axial compression device according to claim 1, it is characterised in that first detent mechanism includes setting
Put on the base and with the groove for the outline for being used to position the deceleration box.
3. steering wheel gear shaft axial compression device according to claim 1, it is characterised in that first detent mechanism includes using
Positioned in the motor hole and the first positioning convex of the bearing hole of the deceleration box that position the deceleration box respectively and second
It is raised.
4. steering wheel gear shaft axial compression device according to claim 3, it is characterised in that first positioning convex and described
The second positioning convex surface relative with the pressing plate caves inward to form blind hole.
5. steering wheel gear shaft axial compression device according to claim 1, it is characterised in that the steering wheel gear shaft axial compression device
Also include being sheathed on flexible member outside the axis of guide, the two ends of the flexible member can respectively with the base, described
Pressing plate is abutted against.
6. steering wheel gear shaft axial compression device according to claim 5, it is characterised in that the flexible member is spring.
7. steering wheel gear shaft axial compression device according to claim 1, it is characterised in that second detent mechanism includes using
It is fixed in the motor hole and the 3rd positioning step of the bearing hole of the deceleration box that can be respectively embedded into the deceleration box and the 4th
Position step.
8. steering wheel gear shaft axial compression device according to claim 1, it is characterised in that the last item template is slowed down with described
The relative surface of casing is provided with the 5th positioning step that can be abutted against with the deceleration box, and the gear shaft positioning hole runs through
5th positioning step.
9. steering wheel gear shaft axial compression device according to claim 1, it is characterised in that the last item template has chamfering.
10. steering wheel gear shaft axial compression device according to claim 1, it is characterised in that the number of the axis of guide is 4
Individual, 4 axis of guides are evenly distributed on around first detent mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621492444.2U CN206344081U (en) | 2016-12-30 | 2016-12-30 | Steering engine gear shaft pressing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621492444.2U CN206344081U (en) | 2016-12-30 | 2016-12-30 | Steering engine gear shaft pressing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206344081U true CN206344081U (en) | 2017-07-21 |
Family
ID=59319812
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621492444.2U Active CN206344081U (en) | 2016-12-30 | 2016-12-30 | Steering engine gear shaft pressing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206344081U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106584353A (en) * | 2016-12-30 | 2017-04-26 | 深圳市优必选科技有限公司 | Steering engine gear shaft pressing device |
-
2016
- 2016-12-30 CN CN201621492444.2U patent/CN206344081U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106584353A (en) * | 2016-12-30 | 2017-04-26 | 深圳市优必选科技有限公司 | Steering engine gear shaft pressing device |
| WO2018121718A1 (en) * | 2016-12-30 | 2018-07-05 | 深圳市优必选科技有限公司 | Steering gear shaft pressing device |
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