CN107618482A

CN107618482A - Bear box and glass device for mounting windshield wiper

Info

Publication number: CN107618482A
Application number: CN201710566399.3A
Authority: CN
Inventors: P.沃尔克肖弗; U.梅茨
Original assignee: Robert Bosch GmbH
Current assignee: Robert Bosch GmbH
Priority date: 2016-07-13
Filing date: 2017-07-12
Publication date: 2018-01-23
Also published as: DE102016212713A1

Abstract

The bear box of glass scraper wetting system and glass scraper wetting system are applied not only to, there is the housing of tubulose and the bearing of column and the bearing including output section.The housing and the bearing are connected with each other by lock piece.

Description

Bear box and glass device for mounting windshield wiper

Technical field

The technical field of the present invention is the bear box and glass scraper wetting system according to independent claims.

Background technology

The known bear box made of metal material.Here, the bear box is integratedly carried out.Output shaft is propped up Hold in the bear box.This bear box is typically used to glass scraper wetting system.Here, glass scraper wetting system has extremely A few bear box.Driver is connected in this bear box kinematics.In such a glass scraper wetting system, water is scraped Arm is installed at the output section of the bear box.The wiper is used for cleaning glass window.

Such a bear box must be manufactured expensively with cost highland.

The content of the invention

Present invention tool according to independent claims has the advantage that：The present invention can simply with cost low land quilt Manufacture.Therefore, the bear box is equipped with the housing of tubulose.The housing of the tubulose can be from outside in the cartridge housing It is seen at body.The bearing of column is disposed in the bear box.Shaft-like output section is supported in the bearing. This, the housing has at least one first lock piece, and the bearing has at least one second lock piece.If the axle Hold and be disposed in one heart in the housing, then first lock piece or second lock piece can be engaged to institute State in the second lock piece or first lock piece, so that the bearing is arranged and is positioned in described securely In housing.After lock piece intermeshing, the bearing no longer has the free degree in the housing, and therefore both Reverse regularly and be regularly arranged in the axial direction.

Other embodiments of the present invention are shown in the dependent claims.

In order to ensure the optimal positioning of the bearing in the housing, it is advantageous to be molded at mentioned component Guide.Therefore, the housing can have the first guide, and the bearing can have the second guide, and described first leads Interacted to part and second guide during the arrangement, so that the lock piece realizes mutual orientation.Cause This, the guide ensures simply to engage automatically by lock piece described in arrangement motion positions.

It can be considered herein, such a favourable lock piece is built at the excircle of the bearing.It is this The second lock piece on the excircle can radially be stretched out and/or be configured to groove by the excircle. This, the groove is radially inwardly formed.Such a lock piece can be, for example, to sell.Also can be considered, by with The same material formed spring elasticity of the bearing（federelastisch）Lock piece.In addition can be considered It is to realize the lock piece made of another material.Therefore, it is possible to consider the bearing by plastic injection, and the lock piece Simultaneously integratedly in casting（Guß）It is middle to be manufactured.Alternatively it is possible that being embodied as the lock piece at the excircle Such as the metal insert in the bearing being made of plastics（Einlegeteile）.Here, sheet elements and/or spring and/ Or the structure of pin-shaped can be used.The lock piece can be implemented as the part of clip device.

Addedly it has to be mentioned that at the circumferential wall for the housing that first lock piece can be built into the tubulose. Especially, the lock piece radially inwardly can be constructed and/or be configured to locking opening.The lock radially inwardly erect Stop member is preferably engaged in the locking groove of the bearing.This lock piece radially inwardly erect can be pin and/or spring, Such as helical spring, leaf spring and/or torsionspring and/or other lug bosses.The locking opening can be so configured so that It is the hole of the insertion in the circumferential wall.The locking opening can not be alternatively completely through the wall, but Only some is emptied on the inner side of the circumferential wall, and not because the locking opening is led on the outside of the circumferential wall The groove or projection of cause can be identified.Can be considered as the third implementation, the circumferential wall outwards by Shaping, so that the forming part to be extended radially outwardly on the inner side of the circumferential wall is implemented as locking opening, as a result, On the outside of the circumferential wall, lug boss is presented（abzeichnen）To the place of the locking opening.It is preferred that the second of the bearing Lock piece is engaged in such locking opening, and second lock piece is by bearing top circle Zhou Yanshen.Radially by the bearing Prominent lock piece is locking protuberance.

Preferably, the arrangement of the described first or second lock piece has symmetry.Particularly advantageously, multiple locks are implemented Stop member.It must especially be emphasised, two lock pieces can be manufactured simply with cost low land.The situation of the guide Same, when it is implemented as multiple components of the bear box, the effect of the guide is particularly strongly prominent 's.Here, two guides are specially suitable respectively.

Show, dendroid（tannenbaumförmig）The second lock piece it is true in the axial end portion of the bearing Protect firm seat（Sitz）.Preferably, this dendritic second lock piece is closure in a circumferential direction.It can be in circle Have in circumferential direction and interrupt.It is possible that the dendritic lock piece is constructed with the axial end of the bearing with flushing.In addition It is possible that this lock piece is molded at interval with the axial end of the bearing.If the bearing is concentrically arranged at In the housing, then following embodiments can be considered：The bearing is axially projected by the housing.Therefore, institute Stating dendritic lock piece can abut at the axial edge of the housing.It is ensured that in the housing bearing axle To fixation.

Two mutually opposing locking protuberances are particularly effective.These locking protuberances, which are preferably shown, substantially to exist The form being constructed on circumferencial direction.Substantially represented in this place, although the locking protuberance has in the axial direction There is extension, but ratio of elongation in a circumferential direction is axially extending many times greater.Here, the locking protuberance can be preferably In the circumference 1/8th, 1/5th or until 1/3rd on extend.Also can be considered, the locking is dashed forward Go out portion to be closely constructed in a circumferential direction.Correspondingly, the locking opening and the locking protuberance complementally by Construction.In other words, two mutually opposing locking protuberances are constructed, and therefore, at the housing, two mutually opposing Locking opening is formed.Also can be considered, locking opening is configured to closure in a circumferential direction.

First guide is preferably constructed in guide groove, and second guide is configured to guiding rib.Cause This, first guide is molded by the groove in the housing.Here, the groove can draw on the radial direction Lead through whole circumference wall.Also can be considered, the guide groove is only formed on the inner side of the circumferential wall.It is described to lead Also can so it be formed to groove so that produced on the outside of the circumferential wall due to raised caused by the guide groove.It is described Second guide is open ribs, and second guide is extended by the excircle of the bearing in radial directions herein.Preferably, Two mutually opposing guiding ribs or guide groove are formed.The guiding rib can be complementally constructed with the guide groove. Which ensure that the optimal guiding of the component.

The guide groove is constructed as the crow flies or helically in the axial direction in an advantageous manner.It is complementary with this Ground, the guiding rib are equally constructed as the crow flies or helically.

In general, one or more guide groove or guiding rib can be constructed.

A kind of special embodiment provides guide, and the guide is simultaneously lock piece.Thus, for example second is oriented to Part can extend in first guide, until its reach first guide, the place engaged.Described second Guide can be engaged in first guide.Therefore, the guide also undertakes in addition to undertaking guide function 2nd, i.e., latch functions.

If second lock piece is implemented as hook in a circumferential direction, then the axial structure length of the housing It can be reduced.

The housing and/or the bearing plastics are implemented to ensure the cheap manufacture of whole bear box.

The output section can cut nut by means of plate（Blechschneidmutter）It is fixed in the bearing. This, the plate is cut nut and is axially pulled on the output section, until it is axially abutted at the bearing.Plate cuts nut It is also generally referred to as fast nut（Speednuts）.

Brief description of the drawings

Accompanying drawing is shown：

Fig. 1 b according to the present invention bear box, wherein, the bearing is incompletely assembled,

Fig. 1 a be done assembling bear box axial section,

Fig. 2 before housing is assembled on the bearing, substitute bear box,

The bear box that Fig. 3 is substituted, the bear box are assembled by screw,

Fig. 4 before being assembled, substitute bear box, wherein, the bearing has hook-shaped lock piece,

Fig. 5 has the glass scraper wetting system of the bear box according to the present invention, wherein, the support component and the cartridge housing Body is by plastics and is integrally formed.

Embodiment

Show in fig 1 a through the axial cross section of the bear box 10 for the assembling that is done.The bear box 10 by Housing 14 is formed, and the housing is tube-shaped formed.Bearing 16 is disposed in the housing 14 with one heart.The post of bearing 16 It is formed shape.Output section 18 is supported in the bearing 16 with one heart.The output section 18 is axially by the bearing 16 Place projects.At the axial end portion 40 of the bearing 16, the output section 18 is cut nut 36 using plate and is axially fastened （sichern）.The plate is cut nut 36 and axially promoted on the output section 18, until the axial end portion of the bearing 16 40.On opposed side, the output shaft 18 equally projects from the bearing.Crank 17 the output section 18 this End is formed.The crank 17 is fixedly connected with the output section 18 rotation.The bearing 16 has on the outside There is the second lock piece 22, second lock piece is configured to locking protuberance 221.In addition, locking groove 222 is built into End.In addition, dendritic second lock piece 220 is also formed at the axial end portion 40.Therefore, the bearing 16 have three different types of second lock pieces 22.The housing 14 includes the first lock piece 20.Here, first locking Part 20 is formed as locking opening 200, and the locking protuberance 221 is engaged in the locking opening.In addition, radially-inwardly by The locking lug boss 201 of orientation is formed at the inner periphery of the housing 14.The locking lug boss 201 is engaged to the bearing 16 Locking groove 222 in.The dendritic lock piece 220 abuts at the axial edge 38 of the housing 14 herein.The tree Dendritic lock piece 220 is closure in a circumferential direction.Equally, the locking lug boss 222 being radially-inwardly directed exists It is also closure on circumferencial direction 1.Correspondingly, the locking groove 201 is equally closure on circumferencial direction 1.Institute Locking lug boss 222 is stated to clip at this in locking groove 201.The locking protuberance 221 is substantially on circumferencial direction 1 Extension, wherein, the locking protuberance is interruption and not closure.They do not form the collar of closure（Bund）, institute The circumference 1 that collar is stated around the bearing 16 extends.Not only the guide 260 but also the lock piece 221 are finally assembling It can be seen from the outside in state.Here, two guides 260 are constructed, the guide is straight on the bearing 16 Footpath is mutually opposing.In addition, two lock pieces 221 are constructed, the lock piece is mutually opposing on the diameter of the bearing 16.It is described Housing 14 and the bearing 16 are made of plastics.Here, injection molding technology can be carried out.The output section and the crank are by metal It is made.The plate is cut nut and is equally also made of metal.

The bear box for coming from Fig. 1 a is shown with stereogram in Figure 1b.Guiding rib 260 at the bearing 16 by into Type.The guiding rib 260 is the second guide 26, and second guide is formed in the lower end of the bearing and in axle Extend as the crow flies on to direction 2.Here, the guiding rib 240 substantially axially extends.Guide groove 240 is in the housing 14 In be complementally formed with the guiding rib 240.The guiding rib 240 is the first guide 24.Here, the guiding rib 240 It is configured to pass through with penetrating the circumferential wall 30 of the housing 14 in radial directions.In the lower end of the guide groove 240, tilt It is formed, described tilt is used as assembling auxiliary.The guiding rib 240 has radius in its upper end.

Figure 2 illustrates the alternative embodiment of the bear box 10.Pass through this embodiment, locking protuberance 220 are built into the upper end of the bearing 16.The locking protuberance 220 is closure and branch on circumferencial direction 1 It is constructed shape.Here, at least two locking protuberances 220 are formed.With this complementally, locking opening 20 is in the housing 14 It is formed on the inner side of circumferential wall 30.The bearing 16 is in final confined state not necessarily in the axial end portion 38 of the housing 14 Place projects.Other locking protuberances 221 are built into the end of the crank side of the bearing 16, the locking protuberance With guiding rib 260.The guiding rib 260 is equally wide with the locking protuberance 221 on circumferencial direction 1.In the axial direction 2 On, the locking protuberance 221 is integrated in the guiding rib 260.The transverse direction of the mutually opposing locking protuberance 221 It is bigger than the guiding rib 260 in the diameter of the axial direction 2.With this complementally, the guide of locking opening 200 and first 24 are built into the housing.The guide 24 has the diameter bigger than the remainder of the circumferential wall 30.Here, institute State axial end portion of the locking opening 200 in the guide 24.The locking opening 200 is formed as through the wall 30 Passage（Durchgänge）.

Another embodiment has been depicted in figure 3, wherein, the housing 14 is secured to the axle by screw Hold on 16.The screw is carried out on circumferencial direction 1, and moves the bearing 16 to institute on 2 in the axial direction herein State in housing 14.Here, spiral helicine guide groove 240 is formed.In said embodiment, four guide grooves 240 have been depicted. But can also be considered, more or less guide grooves 240 is formed.The guide groove 240 helically exists Coiled on axial direction 2 in the circumferential wall 30 around the housing 14.Here, the guide groove 240 is in the end With locking forming part, the locking forming part is used as lock piece 20.The bearing 16 includes locking protuberance 221, the lock Only protuberance is formed pin-shapedly.The locking protuberance 221 is used as the second guide 26 simultaneously.The locking protuberance 221 It is engaged at this in locking forming part of guide groove 240.It can be considered, the guide groove 240 has than the lock The only smaller width of the diameter of protuberance 221.The width of the lock groove 240 is only in the region of the end of the lock groove 240 Change, so that lock piece is constructed, the lock piece 20 is also formed at the lock groove.

In addition, figure 4 illustrates bear box 10, the bear box has hook-shaped lock piece 223.It is described hook-shaped Lock piece 223 extend herein on circumferencial direction 1.The hook-shaped lock piece 223 is in radial directions by the bearing 16 Protruded at excircle 28.The spring of clip element is integrated in the hook-shaped lock piece 223.The housing 14 complementally by Implement and there is the first guide 24, first guide is built on the inner side of the wall 30.The guide 24 exists This is protruded by the inner side of the wall 30 in radial directions.Here, not only the guide 24 but also protrude in an identical manner Lock piece be disposed in the Different Plane in the circumferential wall 30.

The glass scraper wetting system 12 with the bear box 10 according to the present invention has been depicted in Figure 5.The glass scraper water Equipment 12 has support component 42, and the bear box 10 is disposed in the support component.The support component 42 and institute Bear box 10 is stated to be made of plastics.Here, the housing 14 and the support component 42 are integratedly carried out.Two cartridge housings Body 10 is built at the support component 42, and the bear box is respectively installed in the longitudinal end of the support component 42 Place.Here, the end of the output section side of the bear box 10 protrudes above in side, and the end of the crank side of the bear box 10 Projected at the opposite side of the support component 42.In the support component 42, in addition, driver 19 is formed. The driver 19 includes electro-motor and driver, the driver and drive link 15, the connecting rod and the cartridge housing The crank 17 of body 10 is connected.

Claims

1. it is used for glass scraper wetting system（12）Bear box（10）, the housing with tubulose（14）, column bearing（16）With It is supported in the bearing（16）In shaft-like output section（18）, wherein, the housing（14）With at least one first lock Stop member（20）, and in the bearing（16）Locate at least the second lock piece（22）It is formed, so that the bearing（16）Energy Reach substantially concentrically and be disposed in securely in the housing, wherein, first lock piece（20）It can be engaged to Second lock piece（22）Place.

2. bear box according to claim 1（10）, it is characterised in that the housing（14）With at least one first Guide（24）, and the bearing（16）With at least one second guide（26）, wherein, the guide（24,26） Interacted with each other in arrangement, so as to realize the lock piece（20,22）Mutual orientation.

3. the bear box according to claims 1 or 2（10）, it is characterised in that second lock piece（22）By structure Make in the bearing（16）Excircle（28）Place, and preferably by the excircle（28）Extend and/or be configured to groove （34）.

4. the bear box according to any one of the claims（10）, it is characterised in that first lock piece （20）It is built into the housing of the tubulose（14）Circumferential wall（30）Place, so that especially described lock piece（20）Radially to It is constructed and/or is configured to interiorly locking opening（200）.

5. the bear box according to any one of the claims（10）, it is characterised in that implement multiple lock pieces （20,22）, especially implement two respectively.

6. the bear box according to any one of the claims（10）, it is characterised in that implement multiple guides （24,26）, especially implement two respectively.

7. the bear box according to any one of the claims（10）, it is characterised in that dendritic second locking Part（220）In the bearing（16）Axial end portion（36）Place is formed, and second lock piece is preferably in circumferencial direction（1）On It is closure, wherein, the bearing（16）At it in the housing（14）In final position in be and the housing（14）Together The heart, and in the housing（14）End project so that the dendritic lock piece（34）Abut in The housing（14）Axial edge（38）Place.

8. the bear box according to any one of the claims（10）, it is characterised in that second locking element （22）Be configured to it is radially protruding, substantially in circumferencial direction（1）The locking protuberance of upper extension（221）, wherein, especially Construct two mutually opposing locking protuberances（221）, and first lock piece（22）It is configured to locking opening （200）, be preferably constructed in two mutually opposing locking openings, first lock piece substantially imitates the locking and protruded Portion（221）.

9. the bear box according to any one of the claims（10）, it is characterised in that first guide （24）It is configured to guide groove（240）, second guide（26）It is configured to guiding rib（260）, wherein, preferred structure respectively Make two it is opposed.

10. the bear box according to any one of the claims（10）, it is characterised in that the guide groove（240） In the axial direction（2）On be carried out as the crow flies or helically.

11. the bear box according to any one of the claims（10）, it is characterised in that second guide （26）It is simultaneously lock piece.

12. the bear box according to any one of the claims（10）, it is characterised in that second lock piece （22）As hook（223）In circumferencial direction（1）Upper protrusion.

13. the bear box according to any one of the claims（10）, it is characterised in that the housing（14）With/ Or the bearing（16）With plastics.

14. the bear box according to any one of the claims（10）, it is characterised in that the output section（18）Borrow Help plate and cut nut（40）Axially it is fixed in the bearing.

15. glass scraper wetting system（12）, there is the bear box according to any one of the claims（10）, wherein, The glass scraper wetting system（12）With support component（42）, the bear box（10）It is installed at the support component, Wherein, the support component（42）It is made of plastics at least in part.