CN102561858A

CN102561858A - Connection device used for rear engine cover driving device of vehicle

Info

Publication number: CN102561858A
Application number: CN2011104142949A
Authority: CN
Inventors: H-J.奥伯勒; M.施密特; R.布劳恩; P.洛尔希
Original assignee: Robert Bosch GmbH
Current assignee: Robert Bosch GmbH
Priority date: 2010-12-14
Filing date: 2011-12-13
Publication date: 2012-07-11
Anticipated expiration: 2031-12-13
Also published as: FR2968697A1; DE102010063058B4; DE102010063058A1; CN102561858B; FR2968697B1

Abstract

The invention relates to a connection device used for a rear engine cover driving device of a vehicle, especially a device used for connecting a driven shaft (5) of the driving device and a hinge chain of the rear engine cover of the vehicle. The connection device comprises a driving rod (10) comprising an accommodation port (12) used for accommodating a driven shaft (5) and a slide groove opening (11), a through connection part (3) provided with a shaft neck (30), and a fixing element (2,20) used for keeping the through connection part (3) on the driving rod (1). The through connection part (3) can be connected with the hinge chain, and the shaft neck (30) passes through the slide groove opening (11). The neck shaft (30) is provided with a bearing area (31) and a fixing area (32) fixedly disposed on the fixing element (2,20). The shaft neck (30) is connected with the fixing element (2,20) on the fixing area (32) in order to prevent the loosening of the through connection part (3) from the driving rod (10). The bearing area (31) is disposed in a slide groove opening (11) of the driving rod (10) during the bearing process and/or sliding process.

Description

The linkage that is used for the back car bonnet drive unit of motor vehicle

Technical field

The present invention relates to the linkage that a kind of hinge that is used for car bonnet behind the driven shaft of drive unit and the motor vehicle couples together.

Background technology

It is now know that, and the back car bonnet of motor vehicle is handled by means of back car bonnet drive unit.Show a kind of such device with drive rod such as DE 10 2,006 024 349 A1, said drive rod is connected with the driven shaft of said drive unit and has chute.In said chute, arranged slide block with the mode that can move.In addition, said device comprises an adaptor with axle journal, and said axle journal is bearing in the said slide block with the mode that can rotate.But this known devices has bigger structure space and difficult with assembling owing to a large amount of different single-pieces.

Summary of the invention

With respect to this, it is comparatively cheap and assemble easy advantage that the device that couples together by the hinge that is used for car bonnet behind the driven shaft of drive unit and the motor vehicle of the present invention with the said characteristic of claim 1 has manufacturing cost.At this, can reduce number of components and reduce the danger that mistake is assembled by the present invention.This point realizes in the following manner that by the present invention promptly said device only has three main members, just drive rod, adaptor and retaining element.Said drive rod comprises the chute opening and is used to import the admittance mouth of the driven shaft of said drive unit.Said adaptor is formed for the interface between the hinge of car bonnet behind the junctor motor-car, and this adaptor comprises axle journal, and said axle journal then has especially columniform support region and FX.Said support region is arranged in the chute opening of said drive rod at this.Said retaining element is fixed on the FX and with said adaptor and remains on the said drive rod.Through this mode on the axle journal that said support region and retaining element is arranged in said adaptor, can realize special compact structure thus.Said support region this opening/in said chute opening, carry out supporting process and/or sliding process during car bonnet after shutting motor vehicle.Said chute opening is slotted hole preferably, wherein behind motor vehicle, changes the support region of said axle journal and the relative position between the said chute opening in the opening procedure of car bonnet.At this, said support region has very little slip resistance, thereby can easily open/shut car bonnet behind the motor vehicle.In addition, said slotted hole also is used for acting member tolerance is radially compensated.

Dependent claims shows preferred improvement project of the present invention.

The axle journal of preferred said adaptor comprises a contact surface, and this contact surface forms between the support region of said axle journal and FX.In the state of assembling, said retaining element is resisted against on the said contact surface, makes said retaining element have defined position.

In order when being installed in retaining element on the adaptor, to avoid loading error, the degree of depth of preferred said chute opening is less than the axial length of said support region.Guarantee that thus the said drive rod that in the state of assembling, is arranged between said adaptor and the retaining element always can freely move.

According to the preferred design scheme of another kind of the present invention, said device comprises preparatory tension element in addition, this preparatory tension element especially preferred arrangements between said retaining element and drive rod.Said preparatory tension element in axial direction applies pre-tensioning at this, thereby the noise that can prevent said device that is in operation produces such as patter sound and similar noise.

For carrying out easily and assembling fast, in the state of assembling, in said retaining element and/or drive rod, preferably be provided with a space that is used to admit said preparatory tension element for the defined position of said preparatory tension element.

As preparatory tension element, preferably be provided with the wavy spring (Wellfeder) that spring element especially seals.

For carrying out quick and easy especially assembling, preferably between the FX of said axle journal and said retaining element, be provided with being connected of form fit.The preferably riveted joint that produces of the distortion of the end freely through said FX of the connection of said form fit.Can easily and can lean against between axle journal end and the retaining element thus and connect, and not need extra independent single member.The end freely of the FX of said axle journal only must be passed and make subsequently this end distortion freely and set up riveted joint from the clear opening the said retaining element.The FX of said axle journal can be set to cylindrical or oval or is set to polygonal especially triangle or quadrangle at this.

According to the preferred design scheme of another kind of the present invention, said retaining element preferably has at least one space and said drive rod and has at least one and the corresponding convexity in said space.Said convexity is in axial direction outstanding on said drive rod, wherein between said space and convexity, exists the gap.Can carry out pre-determined bit to said adaptor thus, thereby can said adaptor be installed in the preferred positions.Through being connected the motion that this mode limits said adaptor in the form fit that is provided with the gap between space and the convexity.Gap between said space and the convexity is in this angle of revolution that not only defines the stroke in chute of said adaptor but also define said adaptor.To explain at this, also can said space be arranged on the said drive rod and with said convexity and be arranged on the said retaining element.

In addition, the present invention relates to a kind of back car bonnet drive unit, this back car bonnet drive unit has the device that couples together by the hinge that is used for car bonnet behind the driven shaft of drive unit especially electro-motor and the motor vehicle of the present invention.

Description of drawings

With reference to the accompanying drawings preferred embodiment of the present invention is described in detail.Accompanying drawing illustrates as follows:

Fig. 1 is the schematic phantom drawing by the device of first kind of embodiment of the present invention;

Fig. 2 is the phantom drawing of single member of the device of Fig. 1;

Fig. 3 is the schematic sectional view of the device that has assembled of Fig. 1;

Fig. 4 is the schematic vertical view by the chute of the drive rod of second kind of embodiment of the present invention; And

Fig. 5 is the schematic representation of apparatus by the third embodiment of the present invention.

The specific embodiment

Be described in detail referring to figs. 1 through 3 pairs of devices 1 that the hinge with car bonnet behind the driven shaft of drive unit 5 and the motor vehicle couples together that are used for below by first kind of embodiment of the present invention.

As can be from finding out Fig. 2, said device 1 comprises drive rod 10, adaptor 3, retaining element 2 and spring element 4.Said adaptor 3 is formed for the interface of the unshowned hinge of car bonnet behind the junctor motor-car, wherein in said adaptor 3, is provided with the screwed hole that is used for fixing on said hinge.As replacement scheme, also can replace said screwed hole and nut is welded on the said adaptor 3.To explain in addition, above the convexity described also can be arranged on the said fixture 20 and can in said drive rod 10, form the recess of corresponding formation.Said adaptor 3 comprises axle journal 30 in addition, and 30 of this axle journals have support region 31 and FX 32.Between said support region 31 and FX 32, be provided with radially directed contact surface 33.Not only said support region 31 but also said FX 32 all are configured to cylindrical.

Said drive rod 10 comprises chute opening 11, and this chute opening 11 is set to slotted hole in this embodiment.In addition, in said drive rod 10, be provided with the admittance mouth 12 of clear opening form, be used to admit the driven shaft 5 of drive unit.Said driven shaft 5 is such as being splined shaft, and this splined shaft can be installed to by means of the connection of power transmission and form fit in the corresponding shape of said admittance mouth 12.

As can be from finding out Fig. 2, the spring element 4 of this embodiment be wavy springs of the sealing of annular, and this wavy spring is arranged between said drive rod 10 and the retaining element 2.Said retaining element 2 is configured to dish type and on a side of pointing to said drive rod 10, has the installation opening 21 and cannelure 22 of perforation.Said cannelure 22 is used to admit spring element 4, and this makes assembling process become easily on the one hand and when assembling, prevents the excessive compression of spring element 4 on the other hand.The pretightning force that also can regulate said spring element 4 through the gap width and the degree of depth of said cannelure 22 will be described at this.

As can be from finding out Fig. 3, said retaining element 2 be arranged on the said adaptor 3 by means of riveted joint 6 form fit with connecting.Said riveted joint 6 is provided by the material on a kind of end freely 34 that is arranged on said axle journal 30.For assembling; At first said axle journal 30 is passed the chute opening 11 of said drive rod 10 thus; Then this spring element 4 and said retaining element 2 are directed into above the remaining area that from said chute opening 11, stretches out of said axle journal 30, and then riveted joint 6 is set up in the distortion of the end freely 34 through said axle journal.The cannelure 22 that is arranged in the said retaining element 2 prevents the excessive compression of spring element 4 at this.Said cannelure 22 preferably has and the corresponding to degree of depth of the thickness of said spring element 4.In the state of assembling, said retaining element 2 directly is resisted against on the contact surface 33 of said axle journal 30.As can be from finding out Fig. 3, the length l of said support region 31 be a bit larger tham the degree of depth t of said chute opening 11.Guarantee that thus said assembling process can not cause said adaptor 3 to be clamped in the chute opening 11.The end play a that after assembling, stays is compensated through said spring element 4 now.

The device that provides a kind of hinge that is used for car bonnet behind driven shaft 5 and the motor vehicle to link together by the present invention thus, this device has the structure of simplification and can under the situation of using known process with low cost, make.In addition, can come integratedly extra especially to suppress structural member that noise produces with simple mode, be used for gap is freely compensated such as spring element 4 by the present invention.

Fig. 4 shows the device by second kind of embodiment of the present invention, and the wherein identical perhaps identical parts of function are used with identical Reference numeral in first kind of embodiment and represented.In Fig. 4, only show a section of said drive rod 10, this section points to the direction of said retaining element 2.At this, be provided with an extra recess 13 along the circumference of said chute opening 11, this recess 13 is used to admit said spring element 4.To explain at this, can abandon the cannelure 22 in the said retaining element 2 thus or also can not only be provided for admitting spring element 4 with said cannelure 22 but also with said recess 13.Be equivalent to the embodiment of front at this embodiment of others, thereby can be with reference to the description of being done among the embodiment in front.

Fig. 5 shows the device 1 by the third embodiment of the present invention, the parts that wherein identical function in other words is identical use again with in front embodiment in identical Reference numeral represent.Said the third embodiment also can make said adaptor 3 pre-determined bit extraly, thereby can said adaptor 3 only be installed in the predetermined position.Be provided with retaining element 20, this retaining element 20 has two

spaces

25,26 in the side for this reason.Said

space

25,26 is configured to the structure of X-X perforation in axial direction and is rectangle in this embodiment.In addition, on said drive rod 10, be provided with the

outstanding convexity

15,16 of X-X in axial direction of two rectangles.Said convexity has the corresponding shape of shape with

said space

25,26, wherein said

space

25,26 and protruding 15, exist the gap between 16.Said protruding 15,16 and the bottom section in said

space

25,26 between distance s define the angle of revolution α with respect to said drive rod 10 of said adaptor 3 at this.The width b in said

space

25,26 defines the stroke along the longitudinal direction Z of chute opening 11 of said adaptor 3.Can make said adaptor 3 pre-determined bit through the location on protruding 15,16 of said retaining element 20 thus.This can be after said adaptor be installed in motor vehicle on the car bonnet before or after said fixture 20 finally is fixed on the FX 31 of said axle journal.To explain at this, also can arrange said space and convexity on the contrary, that is to say that said convexity is arranged on the said retaining element 20 and said space is arranged on the said drive rod 10, limit the motion of said adaptor thus.

Also can arrange like this, the retaining element 20 that just will be used to make adaptor 3 location only loose ground be placed on the said axle journal on said in other words protruding 15,16 and after fixing said adaptor 3, make said retaining element 20 half-twists and then by means of rivet 6 be fixed in said axle journal 30 FX 32.Especially can utilize the freedom of motion in the scope of the whole axial length of chute opening 11 of said support region 31 thus.Be equivalent to the embodiment of front at this embodiment of others, thereby can be with reference to the description of being done among the embodiment in front.

Claims

1. be used for the device that the hinge with car bonnet behind the driven shaft (5) of drive unit and the motor vehicle couples together, this device comprises:

-have and be used to admit the admittance mouth (12) of said driven shaft (5) and the drive rod (10) of chute opening (11);

-having the adaptor (3) of axle journal (30), wherein said adaptor (3) can be connected with said hinge and wherein said axle journal (30) passes from said chute opening (11); And

-be used for said adaptor (3) is remained on the retaining element (2 on the said drive rod (10); 20),

-wherein said axle journal (30) has support region (31) and is used for fixing at said retaining element (2; 20) FX on (32),

-wherein said axle journal (30) and said retaining element (2; 20) be connected in said FX (32), unclamp from said drive rod (10) so that prevent said adaptor (3), and

-wherein said support region (31) is arranged in the chute opening (11) of said drive rod (10) for supporting process and/or sliding process.

2. by the described device of claim 1; It is characterized in that contact surface (33); This contact surface (33) is being arranged on the said axle journal (30) between said support region (31) and the said FX (32), and wherein said retaining element (2) is resisted against on the said contact surface (33).

3. by each described device in the aforementioned claim, it is characterized in that the degree of depth (t) of said chute opening (11) is less than the axial length (l) of said support region (31).

4. by each described device in the aforementioned claim; Comprise preparatory tension element (2) in addition; This preparatory tension element (2) provides axial pretightning force, and wherein said preparatory tension element (4) especially is arranged between said retaining element (2) and the said drive rod (10).

5. by the described device of claim 4, it is characterized in that said retaining element (2) and/or said drive rod (10) have the space (13 that is used to admit said preparatory tension element (4); 22).

6. by claim 4 or 5 described devices, it is characterized in that said preparatory tension element (4) is a preferably wavy spring of spring element.

7. by each described device in the aforementioned claim, being connected of the form fit between the FX (32) that it is characterized in that said axle journal (30) and the said retaining element (2).

8. by the described device of claim 7, it is characterized in that the connection of said form fit comprises the riveted joint (6) through the distortion generation of the end freely (34) of said FX (32).

9. by each described device in the aforementioned claim, it is characterized in that,

-said retaining element (20) has at least one space (25,26) and said drive rod (10) and has at least one and the corresponding convexity in said space (25,26) (15,16); Said convexity (15,16) in axial direction (X-X) is outstanding, wherein between said space (25,26) and said convexity (15,16), exists gap (s); Perhaps

-said retaining element (20) has at least one convexity; This convexity in axial direction (X-X) outstanding and said drive rod (10) has at least one and the corresponding recess of said convexity, wherein between said convexity and said recess, exists gap (s).

10. be used for the back car bonnet drive unit of car bonnet behind the motor vehicle, comprise by each described device in the aforementioned claim.