CN202450909U - Mounting mechanism for backdoor of automobile - Google Patents
Mounting mechanism for backdoor of automobile Download PDFInfo
- Publication number
- CN202450909U CN202450909U CN2011205139629U CN201120513962U CN202450909U CN 202450909 U CN202450909 U CN 202450909U CN 2011205139629 U CN2011205139629 U CN 2011205139629U CN 201120513962 U CN201120513962 U CN 201120513962U CN 202450909 U CN202450909 U CN 202450909U
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- Prior art keywords
- tailgate
- rocking bar
- backdoor
- long
- short
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- Expired - Fee Related
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Abstract
The utility model discloses a mounting mechanism for a backdoor of an automobile. The mounting mechanism comprises a pair of hinge mechanisms symmetrically arranged on the two sides of an automobile body. Each hinge mechanism comprises a short rocker, a long rocker, a fixed rod fixed on the sidewall of the backdoor, a connecting rod and an extension rod fixed on the backdoor, wherein the extension rod is riveted with the backdoor; and the fixed rod is riveted with the sidewall of a backdoor frame. The short and long rockers of the hinge mechanisms are arranged on the sidewall of the backdoor frame, so that the arm of force of the gravity of the backdoor is shortened, pressure at a joint of the backdoor and the backdoor frame is reduced, and the deformation of the backdoor frame is prevented; the hinge mechanisms are connected with the backdoor through the extension rods, so that distances between the backdoor and the short and long rockers are prolonged, interference between the backdoor and a top cover when the backdoor is opened is avoided, an opening angle of the backdoor is enlarged, and articles can be conveniently loaded into and unloaded from a luggage compartment; and by the design of the fixed rod and the extension rod, point connection between the mounting mechanism for the backdoor, the backdoor and the doorframe is replaced by surface connection, so that the mounting mechanism is firm in connection, and deformation at the joint of the backdoor and the doorframe is prevented.
Description
Technical field
The utility model relates to a kind of automobile body components, especially relates to the installing mechanism that a kind of opening and closing of back door angle is big, tailgate is installed the on-deformable automobile back door in junction.
Background technology
Tailgate is the important component part on the two van-type vehicle vehicle bodies, is an independent assembly on the vehicle body.It mainly acts on is to avoid the article in the luggage compartment to drop out outside the car, and property safety in the protection car makes things convenient for the luggage loading and unloading simultaneously.The layout design of tailgate is the key link in the body structure design; Automobile back door is a movement parts; The opening and closing of tailgate need be used backdoor hinge and hydraulic pressure strut; The hydraulic pressure strut rises tailgate and supports and position-limiting action, and backdoor hinge principal security tailgate has the movable function of opening and closing.Traditional automobile back door hinge all adopts the hinge of hinge type, and hinge connects the automobile top-cap edge, and positive hinge connects automobile back door.After hinge-type hinge is installed because pivot center is closer from the position of tailgate, when opening tailgate easily and top cover interfere; Especially all bigger vehicle of the radian of top cover and tailgate; The angle of opening and closing of back door is restricted, and the loading and unloading of article in the luggage compartment are caused interference, uses inconvenient; The hinge of hinge-type hinge connects the automobile top-cap edge, and the arm of force of tailgate gravity is very long, because leverage; Cause the pressure of automobile top-cap and hinge junction very big; So to the top cover rear end reinforcement must be set, but after long-term the use, still can cause the top cover distortion; Tailgate can not be closed closure seam, and influence is normal to be used and automobile appearance.
Chinese patent notice of authorization number: CN2851452Y on December 27 2006 notice of authorization day, discloses a kind of automobile back door hinge arrangement; Be made up of positive hinge, hinge, joint pin and bolt, positive hinge is installed on the tailgate doorframe, and hinge is installed on the tailgate; Be provided with hinge liner and liner plate at hinge through on bolt and the installed surface that tailgate is connected, play and reinforce and sealing function, anti-sealing gets into link position and improves hinge strength simultaneously and prevents distortion; Weak point is because joint pin is little from the tailgate distance, when opening tailgate easily and top cover interfere; Restriction opening and closing of back door angle is used inconvenient; Hinge and tailgate junction have increased the hinge liner and the liner plate of a booster action; But the hinge of this structure certainly will cause the arm of force of tailgate gravity very long, because leverage is very big to the pressure of positive hinge and tailgate doorframe junction; After long-term the use; Still can cause the distortion of tailgate doorframe, influence the normal switch of tailgate, influence the car load outward appearance.
Summary of the invention
The utility model is the tailgate installation junction easy deformation for the automobile back door hinge arrangement that overcomes prior art, the deficiency that the opening and closing of back door angle is interfered, and provides a kind of tailgate that the installing mechanism of the automobile back door that the junction is not yielding, the opening and closing of back door angle is big is installed.
To achieve these goals, the utility model adopts following technical scheme:
A kind of installing mechanism of automobile back door; Comprise linkage; Linkage comprises short rocking bar and long rocking bar, and the two ends of lacking the two ends of rocking bar, long rocking bar are hinged with the gusset of tailgate and doorframe respectively, and the tie point of short rocking bar and gusset is higher than the tie point of long rocking bar and gusset; The tie point of short rocking bar and tailgate is higher than the tie point of long rocking bar and tailgate, and linkage is symmetrically distributed in tailgate and doorframe both sides.The tailgate installing mechanism of this programme; Be to realize with long rocking bar that through being installed on the short rocking bar that the tailgate frame side places the mode of installing through the hinge of being located at the automobile top-cap edge in the change prior art is during opening and closing of back door; The arm of force of tailgate gravity shortens; Reduce the pressure of tailgate, prevent tailgate doorframe distortion, keep normal use and automobile appearance attractive in appearance of tailgate linkage and doorframe junction.
As preferably, said linkage also comprises the connecting rod that is fixedly connected with tailgate, and an end of connecting rod is hinged with short rocking bar, and the other end of connecting rod is hinged with long rocking bar.Connecting rod is set, and linkage became the face connection with being connected by a connection of tailgate when tailgate was installed, and the protection tailgate is installed the junction.
Another kind of replacement scheme as above-mentioned preferred version; Said linkage also comprises connecting rod and extension rod; Connecting rod and extension rod are the homogeneity integrative-structure, and an end of connecting rod is hinged with short rocking bar, and the other end of connecting rod is hinged with long rocking bar; One end of extension rod connects the end of connecting rod near long rocking bar, and the other end of extension rod is fixedly connected with tailgate.Linkage becomes the face connection with being connected by a connection of tailgate when on the one hand tailgate being installed; On the other hand, extension rod is connected with tailgate, has widened the distance between tailgate and short rocking bar and the long rocking bar; When making tailgate that the back unlatching is installed; Tailgate can not interfere with top cover, guarantees the angle of opening and closing of back door, makes things convenient for the loading and unloading of luggage compartment article.
As preferably, said linkage also comprises the fixed bar that is fixed on the gusset, and an end of fixed bar is hinged with short rocking bar, and the other end of fixed bar is hinged with long rocking bar.Linkage was changed into the face connection with being connected by a connection of doorframe when tailgate was installed, and had protected the linkage junction on the tailgate doorframe, prevented the doorframe distortion, guaranteed the normal switch of tailgate.
As preferably, the length of connecting rod and long rocking bar and greater than the length of fixed bar and short rocking bar with, the middle part of short rocking bar is provided with recess, is provided with U type support pad in the recess, long rocking bar is provided with bracer, bracer when tailgate is closed and the mutual applying of support pad.This design through bracer location in supportting pad, makes tailgate close the back and in doorframe, locatees when tailgate is closed, and tailgate is closed tighter, reduces vibrating noise in the vehicle use.
As preferably, the long rocking bar during opening and closing of back door and the tie point of tailgate are positioned on the extended line of short rocking bar.This design is when opening and closing of back door, and short rocking bar can constitute support to tailgate simultaneously with long rocking bar, makes the whole stress equalization of fixed bar.
As preferably, said extension rod is connected, rivets or weld with the tailgate bolt.Said fixed bar is connected, rivets or weld with the gusset bolt.The tailgate installing mechanism connects, rivets or weld these fixed forms and is fixedly connected with the tailgate doorframe with tailgate through bolt, guarantees stablizing in the use of tailgate installing mechanism.
Therefore, the utlity model has following beneficial effect: the short rocking bar of (1) linkage is located at tailgate doorframe gusset with long rocking bar, shortens the arm of force of tailgate gravity, reduces the pressure of tailgate to tailgate doorframe junction, prevents the distortion of tailgate doorframe; (2) linkage connects tailgate through extension rod, has widened the distance of tailgate with short rocking bar and long rocking bar, can not interfere with top cover when making opening and closing of back door, strengthens the angle of opening and closing of back door, makes things convenient for the loading and unloading of luggage compartment article; (3) design of fixed bar and extension rod is connected the face of changing into the tailgate installing mechanism and connects with the point of tailgate and doorframe, it is firm to connect, and prevents the distortion of tailgate and doorframe junction.
Description of drawings
Fig. 1 is a kind of structural representation of the linkage closure state of the utility model.
Fig. 2 is a kind of structural representation of the linkage open mode of the utility model.
Fig. 3 is a kind of structural representation of the installment state of the utility model.
The specific embodiment
Below in conjunction with the accompanying drawing and the specific embodiment the utility model is done further description.
In Fig. 1, embodiment shown in Figure 2; A kind of installing mechanism of automobile back door comprises linkage 3, and linkage 3 comprises short rocking bar 31 and long rocking bar 32; The two ends of short rocking bar 31, the two ends of long rocking bar 32 are hinged with the gusset 2 of tailgate 1 and doorframe respectively; The tie point of weak point rocking bar 31 and gusset 2 is higher than the tie point of long rocking bar 32 and gusset 2, and the tie point of short rocking bar 31 and tailgate 1 is higher than the tie point of long rocking bar 32 and tailgate 1, and linkage 3 is symmetrically distributed in tailgate 1 and doorframe both sides.Said linkage 3 also comprises connecting rod 33 and extension rod 34; Connecting rod 33 is the homogeneity integrative-structure with extension rod 34; One end of connecting rod 33 is hinged with short rocking bar 31; The other end of connecting rod 33 and long rocking bar 32 are hinged, and an end of extension rod 34 connects the end of connecting rod 33 near long rocking bar 32, and the other end of extension rod 34 is fixedly connected with tailgate 1.Said linkage 3 also comprises the fixed bar 35 that is fixed on the gusset 2, and an end of fixed bar 35 is hinged with short rocking bar 31, and the other end of fixed bar 35 and long rocking bar 32 are hinged.The length of connecting rod 33 and long rocking bar 32 and greater than the length of fixed bar 35 and short rocking bar 31 and; The middle part of short rocking bar 31 is provided with recess; Be provided with U type support pad 311 in the recess, long rocking bar 32 is provided with bracer 321, and the bracer 321 during tailgate 1 closure is fitted with support pad 311 each other.Long rocking bar 32 when tailgate 1 is opened is positioned on the extended line of short rocking bar 31 with the tie point of tailgate 1.Said extension rod 34 and tailgate 1 riveted joint.Said fixed bar 35 and gusset 2 riveted joints.
As shown in Figure 3, after tailgate 1 installs, when tailgate 1 is closed; Drop-down tailgate 1, short rocking bar 31 rotates towards the doorframe direction with long rocking bar 32 simultaneously, behind the support pad 311 on the short rocking bar 31 of bracer 321 apical graftings on the long rocking bar 32; Tailgate 1 stops operating, and tailgate 1 is fitted tailgate 1 closure with doorframe.When tailgate 1 need be opened, on draw tailgate 1, short rocking bar 31 rotates towards the direction away from doorframe with long rocking bar 32 simultaneously; Because long rocking bar 32 is than short rocking bar 31 length, the bottom of tailgate is upturned, and turns on the tailgate 1; When extension rod 34 and connecting rod 33 were positioned at same straight line, because the position-limiting action at tailgate 1 edge, short rocking bar 31 stopped operating; Long rocking bar 32 also stops operating simultaneously, and tailgate 1 is held open state, and people can pick and place article from luggage compartment easily.In tailgate 1 rotation process, the gravity of tailgate 1 is constant, because the installing mechanism of tailgate 1 passes through the gusset 2 that linkage 3 connects doorframes, the gravity arm of force of tailgate 1 is little, and tailgate 1 long-term folding can not make the junction distortion of tailgate 1 and doorframe.
The another kind of replacement scheme of present embodiment, the extension rod 34 among the embodiment can not established yet, and said linkage 3 comprises the connecting rod 33 that is fixedly connected with tailgate 1, and an end of connecting rod 33 is hinged with short rocking bar 31, and the other end of connecting rod 33 and long rocking bar 32 are hinged.
Claims (8)
1. the installing mechanism of an automobile back door comprises linkage (3), it is characterized in that: linkage (3) comprises short rocking bar (31) and long rocking bar (32), and the two ends of short rocking bar (31), the two ends of long rocking bar (32) are hinged with the gusset (2) of tailgate (1) and doorframe respectively,
The tie point of short rocking bar (31) and gusset (2) is higher than the tie point of long rocking bar (32) and gusset (2),
The tie point of short rocking bar (31) and tailgate (1) is higher than the tie point of long rocking bar (32) and tailgate (1),
Linkage (3) is symmetrically distributed in tailgate (1) and doorframe both sides.
2. the installing mechanism of a kind of automobile back door according to claim 1; It is characterized in that: said linkage (3) also comprises the connecting rod (33) that is fixedly connected with tailgate (1); One end of connecting rod (33) is hinged with short rocking bar (31), and the other end of connecting rod (33) is hinged with long rocking bar (32).
3. the installing mechanism of a kind of automobile back door according to claim 1; It is characterized in that: said linkage (3) also comprises connecting rod (33) and extension rod (34); Connecting rod (33) and extension rod (34) are the homogeneity integrative-structure, and an end of connecting rod (33) is hinged with short rocking bar (31), and the other end of connecting rod (33) is hinged with long rocking bar (32); One end of extension rod (34) connects the end of connecting rod (33) near long rocking bar (32), and the other end of extension rod (34) is fixedly connected with tailgate (1).
4. according to the installing mechanism of claim 2 or 3 described a kind of automobile back doors; It is characterized in that: said linkage (3) also comprises the fixed bar (35) that is fixed on the gusset (2); One end of fixed bar (35) is hinged with short rocking bar (31), and the other end of fixed bar (35) is hinged with long rocking bar (32).
5. the installing mechanism of a kind of automobile back door according to claim 4; It is characterized in that: the length of connecting rod (33) and long rocking bar (32) and greater than fixed bar (35) and the length of lacking rocking bar (31) and; The middle part of short rocking bar (31) is provided with recess; Be provided with U type support pad (311) in the recess, long rocking bar (32) is provided with bracer (321), and the bracer (321) when tailgate (1) is closed is fitted with support pad (311) each other.
6. the installing mechanism of a kind of automobile back door according to claim 1 is characterized in that: the long rocking bar (32) when tailgate (1) is opened and the tie point of tailgate (1) are positioned on the extended line of short rocking bar (31).
7. the installing mechanism of a kind of automobile back door according to claim 3, it is characterized in that: said extension rod (34) is connected, rivets or weld with tailgate (1) bolt.
8. the installing mechanism of a kind of automobile back door according to claim 4, it is characterized in that: said fixed bar (35) is connected, rivets or weld with gusset (2) bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205139629U CN202450909U (en) | 2011-12-12 | 2011-12-12 | Mounting mechanism for backdoor of automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205139629U CN202450909U (en) | 2011-12-12 | 2011-12-12 | Mounting mechanism for backdoor of automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202450909U true CN202450909U (en) | 2012-09-26 |
Family
ID=46866780
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205139629U Expired - Fee Related CN202450909U (en) | 2011-12-12 | 2011-12-12 | Mounting mechanism for backdoor of automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202450909U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103774942A (en) * | 2014-01-26 | 2014-05-07 | 浙江吉利控股集团有限公司 | Back door hinge for automobile and assembling method thereof |
| CN110082121A (en) * | 2019-04-29 | 2019-08-02 | 重庆长安汽车股份有限公司 | A kind of detection device that luggage is interfered with automobile back door |
| CN110585622A (en) * | 2019-10-30 | 2019-12-20 | 国网宁夏电力有限公司检修公司 | Prevent rope interference's anti-falling foot nail |
-
2011
- 2011-12-12 CN CN2011205139629U patent/CN202450909U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103774942A (en) * | 2014-01-26 | 2014-05-07 | 浙江吉利控股集团有限公司 | Back door hinge for automobile and assembling method thereof |
| CN103774942B (en) * | 2014-01-26 | 2016-04-27 | 浙江吉利控股集团有限公司 | For backdoor hinge and the assembly method thereof of automobile |
| CN110082121A (en) * | 2019-04-29 | 2019-08-02 | 重庆长安汽车股份有限公司 | A kind of detection device that luggage is interfered with automobile back door |
| CN110585622A (en) * | 2019-10-30 | 2019-12-20 | 国网宁夏电力有限公司检修公司 | Prevent rope interference's anti-falling foot nail |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120926 Termination date: 20131212 |