CN106584353A - Pressing device for gear shaft of steering engine - Google Patents
Pressing device for gear shaft of steering engine Download PDFInfo
- Publication number
- CN106584353A CN106584353A CN201611265420.8A CN201611265420A CN106584353A CN 106584353 A CN106584353 A CN 106584353A CN 201611265420 A CN201611265420 A CN 201611265420A CN 106584353 A CN106584353 A CN 106584353A
- Authority
- CN
- China
- Prior art keywords
- gear shaft
- steering wheel
- wheel gear
- deceleration box
- compression device
- 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.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/02—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Power Steering Mechanism (AREA)
- General Details Of Gearings (AREA)
- Steering Controls (AREA)
Abstract
The invention relates to a pressing device for a gear shaft of a steering engine. The pressing device is used for assembling the gear shaft of the steering engine and a reduction gearbox body. The pressing device comprises a base on which a first positioning mechanism for positioning the reduction gearbox body is arranged, a guide shaft which is vertically arranged on the base, a pressing plate which is arranged opposite to the base and can translate along the guide shaft, and a shaft pressing die plate, wherein a gear shaft positioning hole passes through the gear pressing die plate; a second positioning mechanism for positioning the shaft pressing die plate to the reduction gearbox body is arranged on the shaft pressing die plate. when in use, the second positioning mechanism is positioned to the reduction gearbox body; the gear shaft of the steering engine is positioned in the gear shaft positioning hole; the reduction gearbox body, the shaft pressing die plate and the gear shaft of the steering engine are positioned on the base together after being combined and positioned through the first positioning mechanism; the pressing plate is arranged on the gear shaft of the steering engine, and then an external force is applied to the pressing plate, so that the gear shaft of the steering engine can be pressed into a corresponding gear shaft hole in the reduction gearbox body, and as a result, the transmission accuracy can be improved, and relative positions of the shafts are ensured.
Description
Technical field
The present invention relates 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, mechanical hand provide the fields such as power.Steering wheel reduction box is the important ingredient 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, being positioned with the deceleration box 20 shown in Fig. 2 by motor boss, output gear 5 is by 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 pass through the location and installation of steering wheel gear shaft 30 in the gear shaft holes 21 of deceleration box 20, with reality
The assembling of existing steering wheel gear shaft 30 and deceleration box 20.
Traditional steering wheel gear shaft has following two with the assembly method of deceleration box：
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：Do not exist under conditions of gap, by steering wheel between steering wheel gear shaft and the gear shaft holes of deceleration box
Gear shaft single shaft is pressed in casing respectively by pressure.
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 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 cannot be ensured relative to output gear and the relative position relation of motor gear.
The content of the invention
Based on this, it is necessary to provide it is a kind of can improve steering wheel gear shaft and deceleration box assembling after transmission accuracy 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：
Base, is provided with the first detent mechanism for positioning the deceleration box on 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 location 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.
When above-mentioned steering wheel gear shaft axial compression device is used, the second detent mechanism of last item template is positioned at into deceleration box
On, steering wheel gear shaft is positioned in gear shaft location hole, the deceleration box, last item template and steering wheel gear shaft after combination is together
It is placed on base, realizes positioning by the first detent mechanism, pressing plate is placed on steering wheel gear shaft, afterwards external force acts on pressing plate
On, pressing plate can be made to translate along the axis of guide, steering wheel gear shaft can be pressed on deceleration box in corresponding gear shaft holes, so as to complete
Into the assembling of steering wheel gear shaft and deceleration box, steering wheel gear shaft and the transmission accuracy after deceleration box assembling were both improve, also
Ensure that the relative position between each axle.
Wherein in one embodiment, first detent mechanism includes being arranged on the base and with for positioning
The groove of the outline of the deceleration box.
Wherein in one embodiment, first detent mechanism includes the motor for positioning the deceleration box respectively
First positioning convex and the second positioning convex of the dead eye of hole and the deceleration box.
Wherein in one embodiment, first positioning convex and second positioning convex are relative with the pressing plate
Surface caves inward to form blind hole.
Wherein in one embodiment, 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 abut against respectively with the base, the pressing plate.
Wherein in one embodiment, the flexible member is spring.
Wherein in one embodiment, second detent mechanism includes the electricity for being respectively embedded into the deceleration box
3rd positioning step of the dead eye of machine hole and the deceleration box and the 4th positioning step.
Wherein in one embodiment, 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 location hole runs through the 5th positioning step.
Wherein in one embodiment, the last item template has chamfering.
Wherein in one embodiment, the number of the axis of guide is 4, and 4 axis of guides are evenly distributed on described
Around first detent mechanism.
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 decomposition of the steering wheel gear shaft axial compression device, steering wheel gear shaft and deceleration box of an embodiment of the present invention
Schematic diagram；
Fig. 4 is the schematic diagram of the last item template of an embodiment of the present invention.
Specific embodiment
It is understandable to enable the above objects, features and advantages of the present invention to become apparent from, below in conjunction with the accompanying drawings to the present invention
Specific embodiment be described in detail.Elaborate many details in order to fully understand this in the following description
It is bright.But the present invention can be implemented with being much different from alternate manner described here, and those skilled in the art can be not
Similar improvement is done in the case of running counter to intension of the present invention, therefore the present invention is not limited by following public specific embodiment.
The present invention provides a kind of steering wheel gear shaft axial compression device for assembling steering wheel gear shaft and deceleration box, to improve
The relative position between transmission accuracy and each axle of guarantee after steering wheel gear shaft and deceleration box assembling.
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 that is sheathed on outside the axis of guide 120.Deceleration box 20 and steering wheel gear shaft 30
Respectively positioned at the both sides of last item template 140.
The first detent mechanism 112 for positioning deceleration box 20 is provided with base 110.See also Fig. 2, first
Detent mechanism 112 includes being arranged on base 110 and with for positioning the groove 1121 of the outline of deceleration box 20, being used for
The first positioning convex 1122 and second for fixing the motor hole 22 of deceleration box 20 and the dead eye 23 of deceleration box 20 respectively is fixed
Position raised 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 and the second positioning convex 1123 surface relative with pressing plate 130 to
Sunken inside forms blind hole, as shown in Figure 3.The purpose for so arranging is can to save the first positioning convex 1122 and the second convex
1123 material is played, is conducive to cost-effective.
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.Additionally, 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 to support and guide 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 arranged 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 for surrounding, 4 axis of guides 120 can play a part of preferably to support and guide 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, open on pressing plate 130
4 through holes that pass through can the axis of guide 120 are provided with, through after above-mentioned through hole, pressing plate 130 is along the axis of guide 120 for the axis of guide 120
Axial direction is translated such that it is able 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.Fig. 4 is seen also, is offered in last item template 140 and is run through
The gear shaft location hole 141 of last item template 140, and last item template 140 is provided with for last item template 140 to be positioned at into reduction box
Second detent mechanism 142 of body 20.
Gear shaft location hole 141 is correspondingly arranged with the gear axis hole 21 of deceleration box 20, i.e., gear shaft location hole 141 with subtract
The number and distribution situation of the gear axis hole 21 of fast casing 20 is consistent.Additionally, the internal diameter and rudder of gear shaft location hole 141
The outside dimension of machine gear shaft 30 is identical, therefore, between not existing between gear shaft location hole 141 and steering wheel gear shaft 30 during assembling
Gap, can avoid steering wheel gear shaft 30 from rocking in gear shaft location hole 141 and affect assembly precision.
In present embodiment, due to 3 gear shaft holes 21 corresponding with gear shaft location 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 location hole 141 of the rightmost side is through the
Five positioning steps 1412.After so arranging, after last item template 140 is fixed with deceleration box 20, last item template 140 is in 3 teeth
The position that wheel shaft location hole 141 is located can abut against with deceleration box 20 in the position that 3 corresponding gear shaft holes 21 are located,
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 location hole 141, it can be according to the corresponding gear shaft holes 21 for arranging
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 the motor hole 21 for being respectively embedded into deceleration box 20
With the 3rd positioning step 1421 and the 4th positioning step 1422 of the dead eye 22 of deceleration box 20.The 3rd determines in present embodiment
The size of position step 1421 is equivalently-sized with the motor hole 21 of deceleration box 20, therefore there is no gap therebetween, can
Avoid rocking and affecting assembly precision.Likewise, the size of the 4th positioning step 1422 and the dead eye 22 of deceleration box 20
It is equivalently-sized, also there is no gap therebetween, can avoid rocking and affecting assembly precision.
Additionally, the last item template 140 of present embodiment has chamfering, to arrange and can reduce last item template 140 after chamfering
Volume, so as to save a part of material cost.Certainly, chamfering can be also not provided with last item template 140.Additionally, last item template
140 are obtained by precision optical machinery processing, to reduce mismachining tolerance, so as to improve precision.
As shown in figure 3, arrange outside the axis of guide 120 in present embodiment having elastic component 150.Elasticity unit after assembling
The two ends of part 150 abut against respectively with base 110, pressing plate 130.The flexible member 150 of present embodiment is spring.Certainly, bullet
Property element 150 also can be that other can play the element of elastic reaction.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 press speed too fast and damage steering wheel gear shaft 30.
Furthermore, it is necessary to explanation, the steering wheel gear shaft axial compression device not limited to this of the present invention, tooth in last item template 140
Size, position of the detent mechanism 142 of wheel shaft location hole 141 and second etc. can according to the number of steering wheel gear shaft 30, size and
Distribution situation is configured.
When the steering wheel gear shaft axial compression device of the present invention is used, the second detent mechanism of last item template is positioned at into reduction box
On body, steering wheel gear shaft is positioned in gear shaft location hole, the deceleration box, last item template and steering wheel gear shaft one after combination
Rise and be placed on base, realize positioning by the first detent mechanism, pressing plate is placed on steering wheel gear shaft, afterwards external force acts on pressure
On plate, pressing plate can be made to translate along the axis of guide, steering wheel gear shaft can be pressed on deceleration box in corresponding gear shaft holes, so as to
The assembling of steering wheel gear shaft and deceleration box is completed, steering wheel gear shaft and the transmission accuracy after deceleration box assembling has both been improve,
Also assures 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 the several embodiments of the present invention, and its description is more concrete and detailed, but and
Can not therefore be construed as limiting the scope of the patent.It should be pointed out that for one of ordinary skill in the art comes
Say, without departing from the inventive concept of the premise, some deformations and improvement can also be made, these belong to the protection of the present invention
Scope.Therefore, the protection domain of patent of the present invention should be defined by 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：
Base, is provided with the first detent mechanism for positioning the deceleration box on 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,
Offer the gear shaft location hole through the last item template in the last item template, the last item template be provided with 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 of 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
In first positioning convex and the second positioning of the dead eye in the motor hole and the deceleration box for positioning the deceleration box respectively
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
Determine in the 3rd positioning step and the 4th of the dead eye in the motor hole and the deceleration box that can be respectively embedded into the deceleration box
Position step.
8. steering wheel gear shaft axial compression device according to claim 1, it is characterised in that the last item template and the deceleration
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 location 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 (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611265420.8A CN106584353B (en) | 2016-12-30 | 2016-12-30 | Steering engine gear shaft axial compression device |
| PCT/CN2017/119733 WO2018121718A1 (en) | 2016-12-30 | 2017-12-29 | Steering gear shaft pressing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611265420.8A CN106584353B (en) | 2016-12-30 | 2016-12-30 | Steering engine gear shaft axial compression device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106584353A true CN106584353A (en) | 2017-04-26 |
| CN106584353B CN106584353B (en) | 2018-10-09 |
Family
ID=58581901
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611265420.8A Active CN106584353B (en) | 2016-12-30 | 2016-12-30 | Steering engine gear shaft axial compression device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN106584353B (en) |
| WO (1) | WO2018121718A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107186661A (en) * | 2017-07-11 | 2017-09-22 | 张家港孚冈汽车部件有限公司 | Axial compression tool |
| 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 |
| CN114083475A (en) * | 2021-12-24 | 2022-02-25 | 东莞市宇瞳光学科技股份有限公司 | Gear box guide shaft assembling jig |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109834449B (en) * | 2019-03-15 | 2023-09-26 | 华南理工大学 | Auxiliary assembly mechanism of transmission shaft |
| CN111037286A (en) * | 2020-02-26 | 2020-04-21 | 漳州宏辉智能设备有限公司 | Automatic assembling machine for limiting device |
| CN111300010B (en) * | 2020-04-16 | 2021-03-12 | 泰安泰山福神齿轮箱有限责任公司 | Accurate tooth aligning device for press mounting of intermediate gear of engine and tooth aligning press mounting method |
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| CN206344081U (en) * | 2016-12-30 | 2017-07-21 | 深圳市优必选科技有限公司 | Steering wheel gear shaft axial compression device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106584353B (en) * | 2016-12-30 | 2018-10-09 | 深圳市优必选科技有限公司 | Steering engine gear shaft axial compression device |
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2016
- 2016-12-30 CN CN201611265420.8A patent/CN106584353B/en active Active
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2017
- 2017-12-29 WO PCT/CN2017/119733 patent/WO2018121718A1/en active Application Filing
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| US6687993B1 (en) * | 1998-10-02 | 2004-02-10 | Renault | Method for fitting a cylinder assembly into a cylinder housing |
| JP2006075956A (en) * | 2004-09-10 | 2006-03-23 | Sanyo Mach Works Ltd | Piston insertion method and piston insertion device |
| CN104275587A (en) * | 2013-07-02 | 2015-01-14 | 珠海格力电器股份有限公司 | Prepressing device of gear shaft of air outflow frame |
| CN103567743A (en) * | 2013-11-08 | 2014-02-12 | 无锡威孚精密机械制造有限责任公司 | Planet shaft press-fitting tool of hub reduction gear |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN107186661A (en) * | 2017-07-11 | 2017-09-22 | 张家港孚冈汽车部件有限公司 | Axial compression tool |
| CN114083475A (en) * | 2021-12-24 | 2022-02-25 | 东莞市宇瞳光学科技股份有限公司 | Gear box guide shaft assembling jig |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106584353B (en) | 2018-10-09 |
| WO2018121718A1 (en) | 2018-07-05 |
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