Backrest mounting bracket and its mounting structure and vehicle
Technical field
This disclosure relates to vehicle seat back installing area, in particular it relates to a kind of backrest mounting bracket and its peace
Assembling structure, and use the vehicle of the seat back mounting structure.
Background technology
The fixed form of the backrest of part vehicle, such as back seat are by backrest and vehicle body phase by rotary shaft
Even, backrest is then fixed on vehicle body using backrest lock, this method is with low cost, applied widely.Such a fixed form
Generally there are two kinds of structure types:One is that rotary shaft setting is provided with raised support on the seat, on vehicle body;Two be rotary shaft weldering
It is connected on vehicle body, axle sleeve is provided with seat.However, both structure types are required for oblique assembling in installation process, need
After rotary shaft falls into relevant position, then the middle bolt fastening on fixed backrest, assembly manipulation takes longer.
Utility model content
The purpose of the disclosure is to provide a kind of backrest mounting bracket and its mounting structure and pacified using the backrest
The vehicle of assembling structure, the installation operation of backrest is readily achieved using the mounting structure of the backrest mounting bracket, can be effective
Save assembly work, raising efficiency.
To achieve these goals, according to an aspect of this disclosure there is provided a kind of backrest mounting bracket, for solid
Dingan County is attached on vehicle body, and axis hole is formed with the backrest mounting bracket and breach is oriented to, the axis hole is used for and backrest
Installation axle is rotatably engaged, and the guiding breach extends to the axis hole from the top edge of the backrest mounting bracket,
For guiding the installation axle to enter the axis hole.
Alternatively, the guiding breach is from top to bottom and forward fold is to extend to the axis hole.
Alternatively, the backrest mounting bracket is formed as hood-like structure, and the hood-like structure includes bottom wall and surround to be somebody's turn to do
The side wall of bottom wall edge extension, the guiding breach include the entrance that is opened on the side wall and be opened in the bottom wall and with
The passage of the axis hole connection, the entrance is connected with the passage.
Alternatively, it is further fixedly arranged on the inside of the backrest mounting bracket and the backrest mounting bracket wheel
The part guiding breach is formed with the liner plate of exterior feature laminating, the liner plate, and the edge of the liner plate turns down to be formed as
The stop lug of the axis hole is exited for installation axle described in backstop.
Based on above-mentioned technical proposal, the disclosure also provides a kind of seat back mounting structure, including is installed to the backrest
On installation axle, and the backrest mounting bracket being installed on vehicle body, the backrest mounting bracket carries for the disclosure
The backrest mounting bracket of confession, the installation axle from it is described guiding breach enter the axis hole with the axis hole rotationally
Coordinate.
Alternatively, the seat back mounting structure also includes Z-direction position limiting structure so that the backrest at least has assembling
Position and operating position, in the rigging position, the backrest horizontal positioned, the installation axle can be lacked by described be oriented to
Mouth enters or leaves the axis hole, and at the operating position, the backrest is upwardly extended from seat in angle, the installation axle
It is assemblied in the axis hole, and the axis hole can not be left by the guiding breach.
Alternatively, the Z-direction position limiting structure includes the cam for being fixedly connected on the installation shaft end, and is arranged on described
Stop lug in backrest mounting bracket, the entrance of the guiding breach is formed to accommodate that the cam passes through is wide
Mouthful, in the rigging position, the outer rim of the cam can be moved along the stop lug, at the operating position, institute
State cam and be rotated such that cam described in the stop lug locking with the backrest.
Alternatively, the stop lug is formed as being arranged on the undaform flange of the guiding breach side, the cam
With the first side and second side being parallel to each other, and positioned at the arc surface of the cam distal end, the first side
The first drift angle is formed between the arc surface, the second drift angle is formed between the second side and the arc surface, when described
When installation axle is assembled in the axis hole, the raised section of the underlying second side and the undaform flange it is tangent with
It can be moved along the undaform flange, when the backrest turns to the operating position, first drift angle is described in
The depression section of undaform flange, and when the installation axle slides into the end of the guiding breach from the axis hole, described the
The depression section of one drift angle and the undaform flange is supported with by the undaform flange locking.
Alternatively, it is further fixedly arranged on the inside of the backrest mounting bracket and the backrest mounting bracket wheel
The part guiding breach is formed with the liner plate of exterior feature laminating, the liner plate, and the edge of the liner plate turns down to be formed as
The stop lug.
On the basis of above-mentioned technical proposal, the disclosure also provides a kind of vehicle, and the vehicle includes the seat that the disclosure is provided
Chair back mounting structure.
By above-mentioned technical proposal, during assembling, operation is only needed installation axle along the backrest mounting bracket with personnel
Upper edge stretch into guiding breach, and installation axle is advanced along the bearing of trend for being oriented to breach, so that installation axle be assembled
In to the axis hole, assembling process is easy to operate, can effectively save man-hour, raising efficiency.
Other feature and advantage of the disclosure will be described in detail in subsequent embodiment part.
Brief description of the drawings
Accompanying drawing is, for providing further understanding of the disclosure, and to constitute a part for specification, with following tool
Body embodiment is used to explain the disclosure together, but does not constitute limitation of this disclosure.In the accompanying drawings:
Fig. 1 is a kind of backrest mounting bracket stereogram that disclosure embodiment is provided;
Fig. 2 is the stereogram of the backrest installation axle that disclosure embodiment is provided and cam;
Fig. 3 is a kind of assembling process schematic diagram for seat back mounting structure that disclosure embodiment is provided;
Fig. 4 is a kind of seat back mounting structure that disclosure embodiment is provided, when backrest is in operating position,
The operation principle schematic diagram of Z-direction position limiting structure;
Fig. 5 is a kind of schematic diagram to be assembled for seat back mounting structure that disclosure embodiment is provided;
Fig. 6 is a kind of assembling end-state signal for seat back mounting structure that disclosure embodiment is provided
Figure;
Fig. 7 is a kind of seat back mounting structure that disclosure embodiment is provided, when backrest is in operating position
Schematic diagram.
Description of reference numerals
The axis hole of 1 backrest mounting bracket 10
11 are oriented to the entrance of breach 110
The liner plate of 111 passage 12
The backrest of 120 stop lug 2
The cam of 20 installation axle 21
The second side of 211 first side 212
213 the first drift angles of arc surface 211a
The drift angles of 212a second
Embodiment
It is described in detail below in conjunction with accompanying drawing embodiment of this disclosure.It should be appreciated that this place is retouched
The embodiment stated is merely to illustrate and explained the disclosure, is not limited to the disclosure.
In the disclosure, in the case where not making opposite explanation, the noun of locality used such as " upper and lower " is the height with vehicle
Defined on the basis of direction, " inside and outside " refers to the inner and outer of the profile of corresponding component, " Z-direction " refers to the short transverse of vehicle,
" forward and backward " is defined on the basis of the head of vehicle and afterbody, before headstock is, after the tailstock is.The above noun of locality is only as auxiliary
Help the technical scheme of the description disclosure to use, limitation of this disclosure can not be interpreted as.
As shown in Figures 1 to 7, disclosure embodiment provides a kind of (hereinafter referred of backrest mounting bracket 1
For " mounting bracket 1 " is explicitly described technical scheme and reduces unnecessary repetition to facilitate), for being fixedly installed to vehicle body
On, axis hole 10 is formed with mounting bracket 1 and breach 11 is oriented to, axis hole 10 is used to rotationally match somebody with somebody with the installation axle 20 of backrest 2
Close, be oriented to breach 11 and extend to axis hole 10 from the top edge of mounting bracket 1, enter axis hole 10 for guiding installation axle 20.Dress
Timing, operation only needs the upper edge by installation axle 20 along mounting bracket 1 to stretch into guiding breach 11 with personnel, and causes installation axle
20 advance along the bearing of trend for being oriented to breach 11, so that installation axle 20 is assembled in axis hole 10, assembling process is easy to operate, energy
It is enough effectively to save man-hour, raising efficiency.
Specifically, any appropriate shape can be had for guiding installation axle 20 by being oriented to breach 11, in this embodiment party
In formula, installation operation for convenience is oriented to breach 11 and is formed as extending from top to bottom, further, the guiding breach 11 to
It is preceding to bend to extend to axis hole 10 to ensure that installation axle 20 stably coordinate relatively with axis hole 10.Meanwhile, carrying out safety
When band strength experiment or ISOFIX strength tests, due to needing the fore-and-aft direction along vehicle to pull backrest 2, bending design energy
Enough increase the contact area in strength test between the axis hole of installation axle 20 and mounting bracket 1, it is to avoid installation axle 20 because by
Shear and radial deformation occurs easily, to ensure the yield of product.
Mounting bracket 1 is fixed on vehicle body for convenience, and ensures to remain with enough skies between vehicle body and mounting bracket 1
Between to accommodate installation axle 20, in the present embodiment, backrest mounting bracket 1 is formed as hood-like structure, the hood-like structure bag
Bottom wall and the side wall extended around the bottom wall edge are included, to adapt to the structure of mounting bracket 1 and being easily installed axle 20 stretch into, is oriented to
Breach 11 includes the entrance 110 that is opened on the wall of side and is opened in bottom wall and the passage 111 connected with axis hole 10, entrance 110 and
Passage 111 is connected.
In the present embodiment, in order to improve the intensity of mounting bracket 1, increase the service life, the inner side of mounting bracket 1 is also
It is fixedly installed the liner plate 12 fitted with the profile of the mounting bracket 1.In order to ensure that installation axle 20 can pass through guiding breach
11 are attached to axis hole 10, correspondingly, and part is formed with liner plate 12 and is oriented to breach 11, and the edge of liner plate 12 turns down to be formed
To exit the stop lug 120 of axis hole 10 for backstop installation axle 20, to avoid because road conditions are not good or occupant's maloperation causes peace
Dress axle 20 departs from axis hole 10 and slipped along breach 11 is oriented to.The specific backstop principle of stop lug is in following middle detailed descriptions.
Based on above-mentioned technical proposal, disclosure embodiment also provides a kind of seat back mounting structure, such as Fig. 3 extremely
Shown in Fig. 7, including the installation axle 20 being installed on backrest 2, and it is installed to the backrest installation that the disclosure is provided on vehicle body
Support 1, installation axle 20 enters axis hole 10 to be rotatably engaged with axis hole 10 from guiding breach 11.The seat back mounting structure
The backrest mounting bracket 1 provided using the disclosure, therefore equally there is above-mentioned advantage, it will not be repeated here.
Further, in the present embodiment, seat back mounting structure also includes Z-direction position limiting structure, and the Z-direction installs knot
Structure causes backrest 2 at least to have rigging position and operating position:In rigging position, the horizontal positioned of backrest 2, installation axle 20 can
Enter or leave axis hole 10 by being oriented to breach 11 to facilitate installation, at operating position, backrest 2 prolongs upwards from seat in angle
Stretch, installation axle 20 is assemblied in axis hole 10, and axis hole 10 can not be left by being oriented to breach 11, with during ensureing use
Installation axle 20 will not be because external factor is disturbed and is come off along breach 11 is oriented to from mounting bracket 1.
Specifically, Z-direction position limiting structure can be formed as meeting the structure of any suitable of above-mentioned spacing requirement, in this implementation
In mode, Z-direction position limiting structure includes the cam 21 for being fixedly connected on the end of installation axle 20, and is arranged on backrest mounting bracket
Stop lug 120 on 1, correspondingly, the entrance 110 for being oriented to breach 11 are formed to accommodate the wide-mouth that cam 21 passes through, i.e.,
The bore of the relative aperture passage 111 of entrance is big.Therefore, as shown in Figure 3 and Figure 6, in above-mentioned rigging position, the outer rim of cam 21
It can be moved along stop lug 120, therefore, it is possible to smoothly realize the installation and removal of backrest 2;As shown in figs. 4 and 7, above-mentioned
During operating position, cam 21 is rotated such that the locking cam 21 of stop lug 120 with backrest 2, to keep the stabilization of mounting structure.
The structure of cam 21 can not only coordinate with stop lug 120 realizes that the Z-direction of backrest 2 is spacing, additionally it is possible to avoid using process
In, cause installation axle 20 directly to depart from without breach 11 is oriented to from axis hole 10 because backrest 2 is deformed.
Further, as shown in Figures 1 to 7, to ensure that stop lug 120 being capable of reliably locking cam 21, the backstop
Flange 120 is formed as being arranged on the undaform flange for being oriented to the side of breach 11, and cam 21 has the first side being parallel to each other
Face 211 and second side 212, and positioned at the distal end of cam 21 arc surface 213, it is necessary to explanation, described in the disclosure
" distal end " refers to the one end of cam 21 apart from cam and the tie point of installation axle farther out, between first side and arc surface 213
The first drift angle 211a is formed, the second drift angle 212a is formed between second side and arc surface 213.So in actual use process
In, when installation axle 20 is assembled in axis hole 10, i.e., 2 horizontal positioned of backrest when, underlying second side 212 and undaform are convex
The raised section of edge is tangent can be moved along undaform flange, therefore, it is possible to realize the handling of backrest 2;When backrest 2 turns to work
When making position, the first drift angle 211a towards undaform flange depression section, and when installation axle 20 from axis hole 10 slide into guiding lack
During the end of mouth 11, the first drift angle 211a and undaform flange depression section are supported with by undaform flange locking.In this implementation
In mode, as illustrated, waveform flange is arranged on the right side for being oriented to breach 11, in interchangeable embodiment, waveform
Flange can also be arranged on the left side for being oriented to breach 11 or other positions, and do adaptability to the shape and installation direction of cam 21
Adjustment.
In detail, the inner side of backrest mounting bracket 1 is further fixedly arranged on fits with the profile of backrest mounting bracket 1
Liner plate 12, to increase the intensity of mounting bracket 1, prevent deformation.To adapt to shape on the profile of mounting bracket 1, liner plate 12
Into there is part to be oriented to breach 11, and the edge of liner plate 12 is turned down to be formed as above-mentioned stop lug 120 so that stop lug
It is easy to process.
Based on above-mentioned technical proposal, the disclosure also provides a kind of vehicle, and the vehicle includes the back seat that the disclosure is provided
Backrest installation structure, the installation for the back seat backrest that is particularly suitable for use in.
The preferred embodiment of the disclosure is described in detail above in association with accompanying drawing, still, the disclosure is not limited to above-mentioned reality
The detail in mode is applied, in the range of the technology design of the disclosure, a variety of letters can be carried out with technical scheme of this disclosure
Monotropic type, these simple variants belong to the protection domain of the disclosure.
It is further to note that each particular technique feature described in above-mentioned embodiment, in not lance
In the case of shield, can be combined by any suitable means, in order to avoid unnecessary repetition, the disclosure to it is various can
The combination of energy no longer separately illustrates.
In addition, can also be combined between a variety of embodiments of the disclosure, as long as it is without prejudice to originally
Disclosed thought, it should equally be considered as disclosure disclosure of that.