CN207436759U - Back door hinge and with its vehicle - Google Patents

Abstract

The utility model discloses a kind of back door hinge and there is its vehicle, the back door hinge includes, fixed seat, and fixed seat has the vehicle body installation portion being connected with vehicle body；Rotating arm, the rotating arm has pin hole and the back door mounting portion for being connected with back door, first is equipped in pin hole and stops protrusion, axis pin, axis pin is fixedly connected through fixed seat and with fixed seat, axis pin has the pivotal axis with pin hole cooperation, the pivotal axis passes through pin hole to be pivotally connected with rotating arm, the pivotal axis is equipped with second and stops protrusion, the rotating arm can rotate switching compared with the fixed seat between the first relative position and the second relative position, back door is during opening to maximum angle, first stop protrusion of rotating arm can gradually be combined with the second stop protrusion of pivotal axis, first stop protrusion is subject to the resistance of the second stop protrusion that can be gradually increased, back door opening speed is avoided to cross when maximum angle position, caused rebound and jitter phenomenon.

Description

Back door hinge and with its vehicle

Technical field

The utility model is related to vehicular field more particularly to a kind of back door hinge and with its vehicle.

Background technology

Automotive back door, since back door self gravitation influences, can form gas strut very big extruding force after unlatching, With accumulated time, this extruding force can be deformed gas strut, cause the offset of gas strut stroke, and then influence back door Unlatching space.

Reinforcing rib is set for gas strut mounting bracket in the prior art, the rigidity of mounting bracket can be improved, to bear more Big pressure, but there is no the pressure that reduction gas strut is born, simultaneously because mounting bracket is arranged on automobile rear flowing water At slot, set reinforcing rib that can influence body tail beauty in mounting bracket.

Utility model content

In view of this, the utility model is directed to a kind of to reduce back of the back door to back door strut extruding force Door hinge.

In order to achieve the above objectives, the technical solution of the utility model is realized in：

A kind of back door hinge includes, fixed seat, and the fixed seat has the vehicle body installation portion being connected with vehicle body；Rotation Pivoted arm, the rotating arm have pin hole and the back door mounting portion for being connected with back door, the first resistance are equipped in the pin hole Keep off protrusion；Axis pin, the axis pin are fixedly connected through the fixed seat and with the fixed seat, and the axis pin has and the pin The pivotal axis of hole cooperation, through the pin hole to be pivotally connected with the rotating arm, the pivotal axis is equipped with the pivotal axis Second stops protrusion, and the rotating arm can be rotated compared with the fixed seat between the first relative position and the second relative position Switching, the first stop protrusion described in first relative position are staggered with the described second stop protrusion, in the second opposite position The second stop protrusion is configured to stop that protrusion is corresponding with described first described in when putting.

Further, the fixed seat has mounting groove, and the rotating arm has multiple mounting ears, and the pin hole is formed as On the mounting ear, the multiple mounting ear extend into the mounting groove and is axially positioned.

Further, the multiple mounting ear is connected on back door mounting portion, and the back door installation position is in institute It states outside mounting groove.

Further, the pin hole is circle, and described first stops that protrusion is crescent, and described first stops the outer of protrusion The inner wall of wall and the pin hole fits.

Further, described first stops circumferentially extending of the protrusion along the pivotal axis, and described first stops the interior of protrusion The inner wall smooth transition of wall and the pin hole.

Further, the outer wall of the pivotal axis is cylinder, and described second stops that protrusion is crescent, second resistance The outer wall of the inner wall and the pivotal axis that keep off protrusion fits.

Further, described second stops circumferentially extending of the protrusion along the pivotal axis, and described second stops protrusion The phase angle of inner wall is 30 ° -180 °.

Further, the first stop protrusion is integrally formed with the rotating arm.

Further, the first stop protrusion is embedded in the pin hole.

Further, described first stops protrusion with the rotating arm by being glued, being clamped, be bonded, in welding any Kind connection.

Further, the second stop protrusion is integrally formed with the axis pin.

Further, the second stop protrusion is embedded on the axis pin.

Further, second stop protrusion and the axis pin by being glued, being clamped, it is be bonded, any one of weld Connection.

Compared with the prior art, back door hinge described in the utility model has the advantage that：

On the one hand, for back door during opening to maximum angle, the first of rotating arm stops that protrusion can be with pivotal axis Second stop protrusion gradually combines, and the first stop protrusion is subject to the resistance of the second stop protrusion that can be gradually increased, and back door is opened Opening speed can continuously decrease, and when back door is opened to maximum angle, resistance reaches maximum, and back door opening speed is preferably minimized, It thus avoids back door opening speed and crosses caused rebound when maximum angle position and jitter phenomenon.

On the other hand, in back door during opening to maximum angle, the first of rotating arm stops that protrusion can be with pivot Second stop protrusion of axis gradually combines, and first stops that the minimum point (crescent inner wall center) of protrusion and the second stop are convex The peak (center of crescent outer wall) in portion moves closer to, and back door is elevated while rotarily opening；Work as back Door angle, which is opened to during maximum first, stops that the minimum point (crescent inner wall center) of protrusion and second stops protrusion most High point (center of crescent outer wall) overlaps, and back door is lifted to highest, directly enhances the maximum of back door and opens sky Between.

In another aspect, back door is opened to after maximum angle, the minimum point (crescent moon that back door can stop protrusion due to first Shape inner wall center) it is overlapped with the peak (center of crescent outer wall) of the second stop protrusion and has Z-direction (vertical side To) move up, while gas strut has rotation so that the angle of gas strut and back door increases, and back door is to the pressure of gas strut It reduces, the pressure that back door is solved from root is deformed caused by gas strut.

The another object of the utility model is to propose that a kind of vehicle using above-mentioned back door hinge includes：

Vehicle body, the vehicle body limit rear-box；Back door；And the vehicle body installation portion is fixed with the vehicle body and connected It connects, the back door mounting portion is fixedly connected with the back door, so that the back door is opening wide the unlatching of the rear-box Switching is rotated between position and the closed position for closing the rear-box, the back door is at closed position at the rotating arm In the first relative position, back door rotating arm in open position is in the second relative position.

Further, in the open position, described first stops protrusion in the top of the described second stop protrusion and its Relatively.

The vehicle using above-mentioned back door hinge is with above-mentioned back door hinge compared with possessed by the prior art Advantage is identical, and details are not described herein.

Description of the drawings

The attached drawing for forming the part of the utility model is used to provide a further understanding of the present invention, this practicality is new The schematic description and description of type does not form the improper restriction to the utility model for explaining the utility model. In attached drawing：

Fig. 1 is the front view according to the back door hinge of the utility model embodiment；

Fig. 2 is a sectional view according to the back door hinge of the utility model embodiment；

Fig. 3 is another sectional view according to the back door hinge of the utility model embodiment；

Fig. 4 is the stereogram according to the axis pin of the back door hinge of the utility model embodiment；

Fig. 5 is the stereogram according to the rotating arm of the back door hinge of the utility model embodiment；

Fig. 6 is the schematic diagram for the maximum angle that can be opened according to the back door hinge of the utility model embodiment.

Reference sign：

100- back door hinges,

10- fixed seats, 11- vehicle body installation portions, the first mounting holes of 110-, 111- bolts, 12- mounting grooves,

20- rotating arms, 21- back door mounting portions, the second mounting holes of 210-, 22- pin holes, 23- first stop protrusion, 24- Mounting ear, 25- connecting plates, 250- liquid-leaking nozzles, 251- liquid leakage tanks,

30- axis pins, 31- caulking parts, 32- pivotal axis, 33- second stop protrusion.

Specific embodiment

It should be noted that in the case where there is no conflict, the feature in embodiment and embodiment in the utility model can To be mutually combined.

1 to Fig. 6 and it is described in detail the back door hinge of the utility model embodiment in conjunction with the embodiments below with reference to the accompanying drawings Chain 100.

Included according to the back door hinge 100 of the utility model embodiment：Fixed seat 10, rotating arm 20 and axis pin 30. Fixed seat 10 has the vehicle body installation portion 11 being connected with vehicle body, and rotating arm 20 has pin hole 22 and for being connected with back door Back door mounting portion 21, first is equipped in pin hole 22 and stops protrusion 23.Axis pin 30 is through fixed seat 10 and solid with fixed seat 10 Fixed connection, axis pin 30 have the pivotal axis 32 coordinated with pin hole 22, and pivotal axis 32 is connected through pin hole 22 with being pivoted with rotating arm 20 It connects, pivotal axis 32 is equipped with second and stops protrusion 33.Rotating arm 20 can be in the first relative position and second compared with fixed seat 10 Switching is rotated between relative position, the first stop protrusion 23 stops that protrusion 33 is staggered with second in the first relative position, the The second stop protrusion 33 is configured to stop that protrusion 23 is corresponding with first during two relative positions.

It should be noted that stop when stopping that protrusion 33 is mutually staggered in the first stop protrusion 23 and second, first convex When portion 23 and second stops that protrusion 33 is corresponding, it still is able to relatively rotate between pivotal axis 32 and rotating arm 20.

It is had the advantages that according to the back door hinge 100 of the utility model embodiment：

1) for back door during opening to maximum angle, the first of rotating arm 20 stops that protrusion 23 can be with pivotal axis 32 Second stop protrusion 33 moves closer to, and the first stop protrusion 23 is subject to the resistance of the second stop protrusion 33 that can be gradually increased, back The opening speed of door can continuously decrease, and when back door is opened to maximum angle, resistance reaches maximum, and back door opening speed drops to It is minimum, it avoids back door opening speed and crosses when maximum angle position, caused rebound and jitter phenomenon.

2) in back door during opening to maximum angle, the first of rotating arm 20 stops that protrusion 23 can be with pivotal axis 32 Second stop protrusion 33 gradually combine, first stop protrusion 23 minimum point (crescent inner wall center) with second stop The peak (center of crescent outer wall) of protrusion 33 moves closer to, and back door is elevated while rotarily opening；When Back door angle, which is opened to minimum point (crescent inner wall center) that is maximum and stopping protrusion 23 when first and second, to be stopped The peak (center of crescent outer wall) of protrusion 33 overlaps, and back door is lifted to highest, directly enhances back door Maximum opens space.

3) back door is opened to after maximum angle, the minimum point (crescent moon that back door assembly can stop protrusion 23 due to first Shape inner wall center) it overlaps with the peak (center of crescent outer wall) of the second stop protrusion 33 and (is erected along Z-direction Nogata to) move up, while gas strut (not shown) has rotation so that the angle of gas strut and back door increases, back Door reduces the pressure of gas strut, and the pressure that back door is solved from root is deformed caused by gas strut.

Further, fixed seat 10 has mounting groove 12, and rotating arm 20 has multiple mounting ears 24, and pin hole 22 is formed as pacifying It fills on ear 24, multiple mounting ears 24 extend into mounting groove 12 and are axially positioned.

As shown in Fig. 2, fixed seat 10 is U-shaped, the two side walls and bottom wall of fixed seat 10 limit mounting groove 12 jointly, sell Axis 30 has the caulking part 31 being fixedly connected with fixed seat 10 and the pivotal axis 32 with the cooperation of pin hole 22 of rotating arm 20, caulking part 31 are connected to the both ends of pivotal axis 32, and caulking part 31 rivets outside mounting groove 12 with fixed seat 10, and pivotal axis 32 passes through pin hole 22 To be pivotally connected with rotating arm 20, pin hole 22 is formed on the spaced mounting ear 24 of a pair of rotating arm 20, two installations Ear 24 is extend into mounting groove 12, and close to the two side walls of fixed seat 10, mounting ear 24 and caulking part 31 divide two mounting ears 24 Not Wei Yu fixed seat 10 side wall inner side and outer side.

In this way, two mounting ears 24 can vertically be limited by the two side walls of fixed seat 10, and then avoid the second stop Protrusion 33 is stretched out out of pin hole 22, and the second stop protrusion 33 is avoided to be separated from pin hole 22.

In some embodiments, multiple mounting ears 24 are connected on back door mounting portion 21, and back door mounting portion 21 In outside mounting groove 12.As shown in Figure 1 and Figure 5, mounting ear 24 is connected on back door mounting portion 21, back door mounting portion 21 Middle part has the groove being connected with mounting ear 24, between two mounting ears 24 connecting plate can also be set to improve rotating arm 20 intensity.Those skilled in the art can set the back door mounting portion 21 of suitable dimension according to different vehicles as a result, more Facilitate processing and assembling.

Optionally, liquid-leaking nozzle 250 and liquid leakage tank 251 can be set on connecting plate 25, to facilitate the profit of back door hinge 100 It is sliding.

Further, pin hole 22 is circle, and first stops that protrusion 23 is crescent, and first stops the outer wall and pin of protrusion 23 The inner wall in hole 22 fits.The outer wall of pivotal axis 32 is cylinder, and second stops that protrusion 33 is crescent, and second stops protrusion 33 The outer wall of inner wall and pivotal axis 32 fit.

As shown in Figure 3 and Figure 4, first stops the wall surface to concave of protrusion 23 for inner wall, and the wall surface of convex is outer wall, The outer wall (i.e. the outwardly wall surface of crescent) of first stop protrusion 23 is bonded with the inner wall of pin hole 22, and first stops protrusion 23 Inner wall (wall surface that i.e. crescent concaves) and the pin hole 22 inner wall smooth transition, to ensure that pin hole 22 can be with axis pin 30 flexible rotatings.

Similarly, second stops the wall surface to concave of protrusion 33 for inner wall, and the wall surface of convex is outer wall, and the second stop is convex The inner wall (wall surface that i.e. crescent concaves) in portion 33 is bonded with the outer wall of pivotal axis 32, and second stops the outer wall of protrusion 33 (i.e. The wall surface of crescent convex) it smoothly transits with the outer wall of pivotal axis 32, to ensure that pivotal axis 32 can flexibly turn with pin hole 22 It is dynamic.

Certainly, the utility model is not limited to this, and first stops that protrusion 23 and second stops that protrusion 33 can be crescent, Can certainly be that other can realize the shape of certain barrier effect, such as waveform.

Wherein, first stops that the thickness of protrusion 23 can be equal to the thickness of mounting ear 24, and the thickness of the second blocking portion 33 is big In or equal to first stop protrusion 23 thickness.

Preferably, first stops circumferentially extending of the protrusion 23 along pin hole 22, and first stops protrusion 23 The phase angle of inner wall is 30 ° -180 °.Similarly, second stops circumferentially extending of the protrusion 33 along pivotal axis 32, and the second stop is convex The phase angle of the inner wall in portion 33 is 30 ° -180 °.In this way, as the increase of phase angle, first stops the inner wall of protrusion 23 (i.e. The wall surface that crescent concaves) stop the outer wall (i.e. the wall surface of crescent convex) of protrusion 33 with the inner wall of pin hole 22, second Transition with the outer wall of pivotal axis 32 can be more smooth, smooth, and then rotating arm is made to be rotated more smoothly around axis pin, avoids the occurrence of Catching phenomenon.

When back door mounting portion 21 opens up into maximum angle, angle between vehicle body installation portion 11 as shown in fig. 6, this When, the gravity suffered by back door mounting portion 21 resolves into the power of opposite vehicle body transverse direction on certain angle and vehicle body is installed The pressure in portion 11, because the angle bigger that back door mounting portion 21 opens, and then make pressure suffered by vehicle body installation portion 11 more It is small, to improve the connective stability connected between back door mounting portion 21 and vehicle body installation portion 11 by axis pin 30, so as to weaken Rocking during back door switch.

To further enhance the rotationally fluency on axis pin 30 of rotating arm 20, following design can be used：First stop is convex Circumferentially extending of the portion 23 along pivotal axis 32, first stops the inner wall of protrusion 23 and the inner wall smooth transition of pin hole 22.

In addition, first stop that protrusion 23 and rotating arm 20, second stop between protrusion 33 and axis pin 30 can there are many connections Mode.

Specifically, the first stop protrusion 23 can be integrally formed with rotating arm 20, and first stops that protrusion 23 can also It is embedded in pin hole 22 or the two is by being glued, being clamped, being bonded, any one of welding type of attachment.That is, only It can realize that the fixation of the two, various types of attachment easily operated, that relative motion will not occur are encompassed by the application protection In the range of.

Similarly, the second stop protrusion 33 can be integrally formed with pivotal axis 32 or second stops that protrusion 33 is embedding On pivotal axis 32 or the two is by being glued, being clamped, being bonded, any one of welding type of attachment, as long as expert is real The fixation of existing the two, various types of attachment easily operated, that relative motion will not occur.

The another object of the utility model is that providing a kind of vehicle includes：Vehicle body, back door and above-described embodiment Back door hinge 100, body tail limits rear-box.The vehicle body installation portion 11 of back door hinge 100 is fixed with the vehicle body Connection, back door mounting portion 21 are fixedly connected with back door, so that back door is after the open position of rear-box and closing is opened wide Rotation switches between carrying on the back the closed position of case, and back door rotating arm 20 at closed position is in the first relative position, after Tailgate rotating arm 20 in open position is in the second relative position.Further, protrusion is stopped in open position, first 23 stop the top of protrusion 33 corresponding thereto second.

According to the vehicle of the utility model second aspect embodiment and above-mentioned back door hinge 100 compared with prior art institute Have the advantage that identical, details are not described herein.

The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this Within the spirit and principle of utility model, any modifications, equivalent replacements and improvements are made should be included in the utility model Protection domain within.

Claims (10)

1. a kind of back door hinge (100), it is characterised in that：Including,

Fixed seat (10), the fixed seat (10) have the vehicle body installation portion (11) being connected with vehicle body；

Rotating arm (20), the rotating arm (20) have pin hole (22) and the back door mounting portion for being connected with back door (21), first is equipped in the pin hole (22) and stops protrusion (23)；

Axis pin (30), the axis pin (30) is through the fixed seat (10) and is fixedly connected with the fixed seat (10), the pin Axis (30) have with the pin hole (22) cooperation pivotal axis (32), the pivotal axis (32) through the pin hole (22) with institute It states rotating arm (20) to be pivotally connected, the pivotal axis (32) is equipped with second and stops protrusion (33), and the rotating arm (20) is opposite Switching can be rotated between the first relative position and the second relative position in the fixed seat (10), in first relative position Shi Suoshu first stops that protrusion (23) stop that protrusion (33) stagger with described second, and second stops described in the second relative position Protrusion (33) is configured to stop that protrusion (23) are corresponding with described first.

2. back door hinge (100) according to claim 1, which is characterized in that the fixed seat (10) has mounting groove (12), the rotating arm (20) has multiple mounting ears (24), and the pin hole (22) is formed as on the mounting ear (24), described Multiple mounting ears (24) extend into the mounting groove (12) and are axially positioned.

3. back door hinge (100) according to claim 2, which is characterized in that the multiple mounting ear (24) is connected to On back door mounting portion (21), and the back door mounting portion (21) is located at the mounting groove (12) outside.

4. back door hinge (100) according to any one of claim 1-3, which is characterized in that the pin hole (22) is Circle, described first stops that protrusion (23) are crescent, and described first stops the outer wall of protrusion (23) and the pin hole (22) Inner wall fits.

5. back door hinge (100) according to claim 4, which is characterized in that described first stops protrusion (23) along institute The circumferentially extending of pivotal axis (32) is stated, described first stops the inner wall of protrusion (23) and the inner wall smooth mistake of the pin hole (22) It crosses.

6. back door hinge (100) according to any one of claim 1-3, which is characterized in that the pivotal axis (32) Outer wall for cylinder, it is described second stop protrusion (33) be crescent, it is described second stop protrusion (33) inner wall with it is described The outer wall of pivotal axis (32) fits.

7. back door hinge (100) according to claim 6, which is characterized in that described second stops protrusion (33) along institute The circumferentially extending of pivotal axis (32) is stated, and the phase angle of the inner wall of second stop protrusion (33) is 30 ° -180 °.

8. back door hinge (100) according to claim 1, which is characterized in that described first stops protrusion (23) and institute It is integrally formed to state rotating arm (20)；Or

Described first stops that protrusion (23) are embedded in the pin hole (22)；Or

Described first stop protrusion (23) and the rotating arm (20) by being glued, being clamped, any one of be bonded, welding company It connects；Or

Described second stops that protrusion (33) are integrally formed with the axis pin (30)；Or

Described second stops that protrusion (33) are embedded on the axis pin (30)；Or

Described second stop protrusion (33) and the axis pin (30) by being glued, being clamped, it is be bonded, any one of weld connection.

9. a kind of vehicle, which is characterized in that including：

Vehicle body, the vehicle body limit rear-box；

Back door；And

Back door hinge (100) as any one of claim 1-8, the vehicle body installation portion (11) are consolidated with the vehicle body Fixed connection, the back door mounting portion (21) is fixedly connected with the back door, so that the back door is in the unlimited back Switching is rotated between the open position of case and the closed position for closing the rear-box, the back door is described at closed position Rotating arm (20) is in the first relative position, and back door rotating arm (20) in open position is in the second opposite position It puts.

10. vehicle according to claim 9, which is characterized in that stop protrusion (23) in the open position, described first Stop the top of protrusion (33) corresponding thereto described second.