CN109944517A - Gear interlock type automobile back door hinge - Google Patents
Gear interlock type automobile back door hinge Download PDFInfo
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- CN109944517A CN109944517A CN201910406623.1A CN201910406623A CN109944517A CN 109944517 A CN109944517 A CN 109944517A CN 201910406623 A CN201910406623 A CN 201910406623A CN 109944517 A CN109944517 A CN 109944517A
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- gear
- hinge
- friction pulley
- pin shaft
- unilateral bearing
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Abstract
The invention belongs to the technical fields of auto parts and components, specifically disclose gear interlock type automobile back door hinge, including first axle, second hinge, third hinge, the first pin shaft and the second pin shaft；Second hinge is equipped with regulation room, and the first pin shaft is equipped with first gear and third gear, and the second pin shaft is equipped with second gear；First pin shaft is equipped with the first unilateral bearing and third unilateral bearing, and the first unilateral bearing is equipped with the first friction pulley, sets third friction pulley on third unilateral bearing；Second pin shaft is equipped with the second unilateral bearing and the 4th unilateral bearing, and the second unilateral bearing is equipped with the second friction pulley, and the 4th unilateral bearing is equipped with the 4th friction pulley；Fixed column, locking gear, upper adjustable column, lower adjustable column, adjusting rod are equipped in regulation room；It is socketed with friction pulley on the outer wall of upper adjustable column, is socketed with lower friction pulley on the outer wall of lower adjustable column.The purpose of the present invention solves the problems, such as that existing hinge can only make back door 180-degree opening.
Description
Technical field
The invention belongs to the technical fields of auto parts and components, specifically disclose gear interlock type automobile back door hinge.
Background technique
Existing automobile is generally provided with back door, and the back door of door-opening type is relatively common, can use hinge
Two metal sheets are connected by pin shaft, two metal sheets are enable to relatively rotate by structure, but golden in the structure
Belong to the angle that hinge relatively rotates and only have 180 °, is unable to satisfy the enabling demand of back door greater angle, reducing back door makes
Convenience.
Summary of the invention
The purpose of the present invention is to provide gear interlock type automobile back door hinges, can only make back to solve existing hinge
The problem of door 180-degree opening.
In order to achieve the above object, base case of the invention are as follows:
Gear interlock type automobile back door hinge, including first axle, second hinge and third hinge, first axle and second
Hinge is rotatablely connected by the first pin shaft and first axle and the first pin shaft are affixed, and second hinge and third hinge pass through the second pin
Axis is rotatablely connected and third hinge and the second pin shaft are affixed；
Regulation room is provided with above the second hinge, first pin shaft and the second pin shaft are extend into regulation room,
First pin shaft is equipped with first gear and third gear, and the second pin shaft is equipped with second gear, first gear and third gear point
It Wei Yu not be above and below second gear；
First pin shaft is equipped with the first unilateral bearing and third unilateral bearing, and the first unilateral bearing is equipped with first and rubs
Wheel is wiped, sets third friction pulley on third unilateral bearing；Second pin shaft be equipped with the second unilateral bearing and the 4th unilateral bearing, second
Unilateral bearing is equipped with the second friction pulley, and the 4th unilateral bearing is equipped with the 4th friction pulley；First unilateral bearing and the 4th is unidirectionally
The one-directional rotation direction of bearing is identical, and the second unilateral bearing is identical with the one-directional rotation direction of third unilateral bearing；
Fixed column, locking gear, upper adjustable column, lower adjustable column and an adjusting rod are equipped in regulation room；Adjustable column rotation
It is arranged in regulation room, friction pulley is socketed on the outer wall of upper adjustable column, is socketed with lower friction pulley on the outer wall of lower adjustable column,
Upper friction pulley offsets with the first friction pulley and the second friction pulley, and lower friction pulley offsets with third friction pulley and the 4th friction pulley, on
Adjustable column and lower adjustable column are equipped with internal screw thread, adjusting rod be equipped with external screw thread and with upper adjustable column and lower adjustable column screw thread simultaneously
Connection, adjusting rod connect with locking gear, adjusting rod and fixed column key connection and adjusting rod can in fixed column vertical sliding,
The external screw thread of adjusting rod has elasticity；Locking gear can be engaged with first gear, second gear and third gear；
The first magnet, the second magnet and third magnet are additionally provided in regulation room, the first magnet is located at the top of first gear,
Second magnet is located at the lower section of second gear, and third magnet is located at the lower section of third gear, the first magnet, the second magnet and third
Magnet can attract locking gear.
The working principle and beneficial effect of this base case are:
In the present solution, locking gear is engaged with second gear in the initial state, and since locking gear can not rotate, second
Pin shaft and second gear be affixed, the second pin shaft and third hinge are fixed, and second gear can not also rotate, so second hinge is locked
It can not be rotated extremely in third hinge, and locking gear is separated with first gear at this time, so first gear, the first pin shaft and
One hinge can be rotated in second hinge.First pin shaft is able to drive the rotation of the first friction pulley when rotating, due to first
Friction pulley offsets with upper friction pulley, and frictional force between the two is big, so the first friction pulley drives upper friction pulley rotation, above rubs
It wipes wheel and drives up-regulation segmented column rotation, since upper adjustable column is threadedly coupled with adjusting rod, and adjusting rod is arranged in fixed column, so
Adjusting rod can move up, and adjusting rod drives locking gear to move up again, until locking gear is separated with second gear.Lock
It close to the first magnet and being finally attracted on the first magnet when tight gear moves up, locking gear is engaged with first gear,
First gear can not rotate, and the first pin shaft can not also rotate, so first axle can not relatively rotate with second hinge, the
One hinge is locked by second hinge；And locking gear is separated with second gear at this time, so second hinge can be in the second pin shaft
On rotated, also, second hinge can also drive first axle while rotate.In the present solution, first axle and the second hinge
Chain is able to carry out two sections of rotations, and car door is enable to obtain bigger rotational angle.
Further, the adjusting rod is hollow, and the inner vertical of adjusting rod is equipped with the first key body, vertical on the outer wall of fixed column
Equipped with the first keyway, the first key body is slidably arranged in the first keyway.Using this programme, adjusting rod can carry out in fixed column
It slides up and down, and the structure of the first keyway and the first key body can in the horizontal direction limit adjusting rod, make adjusting rod
It can not rotate.
Further, the outer wall of the adjusting rod is equipped with the second key body, and the inner wall of locking gear is equipped with the second keyway, the
Two key bodies are slidably arranged in the second keyway, and elastic component, the one end of elastic component far from adjusting rod are additionally provided on the outer wall of adjusting rod
It is connect with locking gear.Using this programme, locking gear can be slided up and down on adjusting rod but is not able to rotate, the first magnetic
Iron and the second magnet can attract locking gear, be attracted locking gear quickly on the first magnet or the second magnet.
Further, the regulation room includes dismountable upper cover.Using this programme, upper cover is easy to repair after opening.
Further, the upper cover is fixed by screws in regulation room.Using this programme, convenient for opening and closing upper cover.
Further, the outer wall of first pin shaft is equipped with the first arc key and third arc key, sets on the inner wall of first gear
There is the first annular groove in part-toroidal, the first arc key and the first annular groove cooperate, and the width of the first annular groove is equal to the tooth of first gear
Between distance, the inner wall of third gear is equipped with the third annular groove in part-toroidal, and third arc key and third annular groove cooperate, third ring
The width of slot is equal to the interdental space of first gear.Using this programme, first gear and third gear can be on the first pin shafts
Into small-scale rotation, the angle of rotation is the radian of a tooth, when first gear and locking gear engage up and down, leaves for
The space of one gear rotation.
Further, in the first gear, second gear, third gear and locking gear each tooth upper surface and lower end
Face is equipped with triangular prism shaped voussoir.Using this programme, when first gear/second gear and locking gear are close to each other, if
The tooth of first gear/second gear and locking gear collides, and under the action of voussoir, first gear/second gear can be into
Row rotation, finally, first gear/second gear is engaged with locking gear.
Further, the first axle is equipped with the first mounting plate, and the first mounting plate is equipped with the first mounting hole；Described
Three hinges are equipped with the second mounting plate, and the second mounting plate is equipped with the second mounting hole.First mounting plate is connect with back door, and second
Mounting plate is connect with vehicle body.
Further, the two sides of the second hinge are all provided with fluted, and first axle and third hinge are equipped with and groove
The protrusion matched.Using this programme, need to only penetrate into the first pin shaft, the second pin shaft in groove and protrusion can be realized first axle
With the rotation connection of second hinge, third hinge and second hinge.
Further, the two sides of the first axle, second hinge and third hinge are in curved surface.Using this programme, curved surface
Convenient for relatively rotating between first axle and second hinge, third hinge and second hinge, and interference will not be generated.
Detailed description of the invention
Fig. 1 is the schematic diagram of the embodiment of the present invention；
Fig. 2 is the longitudinal section view of regulation room；
Fig. 3 is the partial structure diagram of adjusting rod；
Fig. 4 is the partial structure diagram of the first pin shaft.
Specific embodiment
It is further described below by specific embodiment:
Appended drawing reference in Figure of description includes:
First axle 1, second hinge 2, third hinge 3, the first mounting plate 4, the second mounting plate 5, the first mounting hole 6,
Two mounting holes 7, regulation room 8, upper cover 9, the first pin shaft 10, first gear 11, third gear 12, the first unilateral bearing 13, third
Unilateral bearing 14, the first friction pulley 15, third friction pulley 16, the second pin shaft 17, second gear 18, the second unilateral bearing 19,
Four unilateral bearings 20, the second friction pulley 21, the 4th friction pulley 22, fixed column 23, adjusting rod 24, the second keyway 25, spring 26, lock
Tight gear 27, the first magnet 29, the second magnet 30, third magnet 31, upper adjustable column 32, upper friction pulley 33, is lowered external screw thread 28
Segmented column 34, lower friction pulley 35, the second key body 36, the first arc key 37, the first annular groove 38.
Embodiment is basic as shown in attached drawing 1, Fig. 2:
Gear interlock type automobile back door hinge, including first axle 1, second hinge 2 and third hinge 3.In first axle 1
Integrally formed with the first mounting plate 4, the first mounting plate 4 is equipped with the first mounting hole 6；Integrally formed with second in third hinge 3
Mounting plate 5, the second mounting plate 5 are equipped with the second mounting hole 7；The two sides of second hinge 2 are all provided with fluted, first axle 1 and
Integrally formed with the protrusion with matching grooves on three hinges 3；The two sides of first axle 1, second hinge 2 and third hinge 3 are in
Curved surface.Second hinge 2 is equipped with the first pin shaft 10 and the second pin shaft 17, and the first pin shaft 10 passes through the groove and first axle in left side
1 protrusion, the first pin shaft 10 are rotatably arranged in groove and are fixedly connected with the protrusion of first axle 1；Second pin shaft 17 passes through
The groove on right side and the protrusion of second hinge 2, the protrusion that the second pin shaft 17 is rotatably arranged in groove and with second hinge 2 are fixed
Connection.The top of second hinge 2 is fixed with regulation room 8, and regulation room 8 includes upper cover 9, and upper cover 9 is fixed by screws in adjusting
The top of room 8.
In conjunction with Fig. 4, the first pin shaft 10 and the second pin shaft 17 are extend into regulation room 8.First pin shaft 10 is equipped with the first tooth
Wheel 11 and third gear 12, the outer wall of the first pin shaft 10 are equipped with the first arc key 37 and third arc key, and the first arc key 37 is located at the
The top of three arc keys, the inner wall of first gear 11 are equipped with the first annular groove 38 in part-toroidal, the first arc key 37 and the first ring
Slot 38 cooperates, and the width of the first annular groove 38 is equal to the interdental space of first gear 11, and it is in portion that the inner wall of third gear 12, which is equipped with,
Divide the third annular groove of annular, third arc key and third annular groove cooperate, and the width of third annular groove is equal to the space width of first gear 11
From.First gear 11 and third gear 12 can rotate the angle of a tooth relative to the first pin shaft 10.It is also solid on first pin shaft 10
Surely be equipped with the first unilateral bearing 13 and third unilateral bearing 14, the outer ring of the first unilateral bearing 13 can counterclockwise with respect to inner ring into
Row rotation, the outer ring of third unilateral bearing 14 can be rotated relative to inner ring clockwise.On the outer ring of first unilateral bearing 13
It is fixed with the first friction pulley 15, is fixed with third friction pulley 16 on the outer ring of third unilateral bearing 14.On second pin shaft 17
It is fixed with second gear 18.
Fixed column 23, locking gear 27, upper adjustable column 32, lower adjustable column 34 and an adjusting rod 24 are equipped in regulation room 8.
Two first struts are fixed in regulation room 8 vertically, lower adjustable column 34 and upper adjustable column 32 are cylindrical, and under the two
End face offers the sliding slot of annular, and sliding slot and the first strut of lower adjustable column 34 offset, and lower 34 upper end of adjustable column is fixed with
The sliding slot of second strut, the second strut and upper adjustable column 32 offsets.It is socketed with friction pulley 33 on the outer wall of upper adjustable column 32, under
Lower friction pulley 35 is socketed on the outer wall of adjustable column 34, upper friction pulley 33 offsets with the first friction pulley 15 and the second friction pulley 21,
Lower friction pulley 35 offsets with third friction pulley 16 and the 4th friction pulley 22, the friction between upper friction pulley 33 and the second friction pulley 21
Power is greater than the frictional force between upper friction pulley 33 and the first friction pulley 15, the friction between lower friction pulley 35 and the 4th friction pulley 22
Power is greater than the frictional force between lower friction pulley 35 and the second friction pulley 21, and upper adjustable column 32 and lower adjustable column 34 are equipped with interior spiral shell
Line, adjusting rod 24 are equipped with and external screw thread 28 and are threadedly coupled simultaneously with upper adjustable column 32 and lower adjustable column 34, adjusting rod 24 and solid
Fixed column 23 is keyed and adjusting rod 24 vertical sliding, the external screw thread 28 of adjusting rod 24 can have elasticity in fixed column 23.It adjusts
The connection type of pole 24 and fixed column 23 are as follows: adjusting rod 24 is hollow, and the inner vertical of adjusting rod 24 is fixed with the first key body,
Fixed column 23 is fixed at the inner wall upper end of regulation room 8, is equipped with the first keyway, the first key body vertically on the outer wall of fixed column 23
Vertical sliding is arranged in the first keyway.
Locking gear 27 is fixed on adjusting rod 24, and can be with first gear 11, second gear 18 and third tooth
12 engagement of wheel.The upper surface and lower end surface of each tooth in first gear 11, second gear 18, third gear 12 and locking gear 27
It is equipped with triangular prism shaped voussoir.
In conjunction with Fig. 3, the outer wall of adjusting rod 24 is equipped with the second key body 36, and the inner wall of locking gear 27 is equipped with the second keyway
25,36 vertical sliding of the second key body is arranged in the second keyway 25, and spring 26 is additionally provided on the outer wall of adjusting rod 24, and spring 26 is remote
One end from adjusting rod 24 is connect with locking gear 27.
It is in incomplete ring that the first magnet 29, the second magnet 30 and third magnet 31, three are additionally provided in regulation room 8
Shape, and it is concentric with locking gear 27, three passes through hack lever and is fixed in regulation room 8, and the outer diameter of three is less than locking gear
27 internal diameter, i.e. three can be in same level with locking gear 27.
Specific implementation process is as follows:
By taking the left back tailgate of automobile as an example, the second mounting hole 7 is passed through using stud, the second mounting plate 5 is fixed at
On vehicle body, the first mounting hole 6 is passed through using stud, the left back tailgate of automobile is fixed on the first mounting hole 6, it is left at this time
Back door is in the state closed, and locking gear 27 attracts on the second magnet 30, and spring 26 is in compressive state, locking gear
27 engage with second gear 18；The outer ring of first unilateral bearing 13 and the 4th unilateral bearing 20 only can counterclockwise with respect to inner ring into
The outer ring of row rotation, the second unilateral bearing 19 and third unilateral bearing 14 can only be rotated relative to inner ring clockwise, be adjusted
When column rotates counterclockwise, adjusting rod 24 is moved up.
When enabling, locking gear 27 is engaged with second gear 18, and locking gear 27 can not rotate, second gear 18 and second
Pin shaft 17 is affixed, and the second pin shaft 17 and third hinge 3 are affixed, and third hinge 3 and vehicle body are affixed, so second gear 18 can not yet
Rotation, second hinge 2 are then fixed in third hinge 3.And first axle 1 can then be rotated in second hinge 2, institute
It can be rotated with first axle 1 with vehicle body.First axle 1 drives the first pin shaft 10 to rotate clockwise when rotating, the first pin shaft
10 the first friction pulleys 15 of drive rotate clockwise, third friction pulley 16 dallies clockwise, work of first friction pulley 15 in frictional force
It is rotated clockwise with friction pulley 33 in lower drive, upper friction pulley 33 drives adjustable column to rotate counterclockwise, and upper friction pulley 33 can also
Driving the second friction pulley 21, idle running, adjusting rod 24 gradually move up clockwise, the locking gear 27 on adjusting rod 24 gradually with
Second gear 18 separates, until locking gear 27 is contacted with first gear 11；Since the external screw thread 28 of adjusting rod 24 has elasticity,
Elastic deformation can occur when through lower adjustable column 34 for external screw thread 28, so external screw thread 28 will not generate stuck situation.Lock
Tight gear 27 now close to the first magnet 29 and is attracted on the first magnet 29, in the process, if locking gear 27 with
The tooth of first gear 11 is not staggered completely, then the voussoir in the two can be pushed mutually, until locking gear 27 and first gear
11 can engage, and since first gear 11 is equipped with the first annular groove 38, the outer wall of the first pin shaft 10 is equipped with the first arc key 37, the
One gear 11 can carry out rotation by a small margin on the first pin shaft 10, so that first gear 11 and locking gear 27 engage.
After locking gear 27 is attracted and engaged with first gear 11 by the first magnet 29, first gear 11 can not be rotated,
First pin shaft 10 can not also rotate, so first axle 1 can not be rotated relative to second hinge 2, it at this time can only second hinge 2
It is rotated relative to third hinge 3, second hinge 2 is able to drive first axle 1 and car door continues to rotate, until car door turns
It moves 270 ° and offsets with vehicle body.When second hinge 2 rotates, since the frictional force between upper friction pulley 33 and the second friction pulley 21 is big
Frictional force between upper friction pulley 33 and the first friction pulley 15, or more friction pulley 33 can be carried out around the second friction pulley 21 it is suitable
Hour hands rotation, and upper friction pulley 33 skids on the first friction pulley 15, upper friction pulley 33 drives adjustable column 32 to turn clockwise again
Dynamic, adjusting rod 24 starts to move down, and locking gear 27 gradually separates with first gear 11 and close to second gear 18, Zhi Daosuo
Tight gear 27 is contacted with second gear 18, and locking gear 27 is again by the attraction of the second magnet 30 and at a fully engaged with second gear 18,
Second hinge 2 and third hinge 3 are locked again at this time, and car door also just reaches 270 °.
When closed door, second hinge 2 and third hinge 3 are locked, and only first axle 1 is able to carry out rotation, car door band
Dynamic first axle 1 rotates counterclockwise, and first axle 1 drives the first pin shaft 10 and third friction pulley 16 to rotate, third friction pulley 16
Lower friction pulley 35 and lower adjustable column 34 is driven to rotate clockwise, lower friction pulley 35 drives the 4th idle running counterclockwise of friction pulley 22, adjusts
Pole 24 continues to move down, and locking gear 27 gradually separates with second gear 18 and close to third gear 12, third magnet 31
Attract locking gear 27 and engage locking gear 27 with third gear 12, first axle 1 is locked with second hinge 2；
After first axle 1 and second hinge 2 are locked, second hinge 2 can rotate in third hinge 3, at this time
Continue closed door, since the frictional force between lower friction pulley 35 and the 4th friction pulley 22 is greater than lower friction pulley 35 and the second friction
The frictional force of wheel 21, institute or less friction pulley 35 is rotated counterclockwise with respect to the second friction pulley 21, and lower friction pulley 35 rubs second
It skids on wheel 21.Lower friction pulley 35 also will drive lower adjustable column 34 and rotate counterclockwise, and lower adjustable column 34 drives adjusting rod 24 upward
Mobile, locking gear 27 gradually separates with third gear 12 and close to second gear 18, and the second magnet 30 attracts locking gear 27
And engaging locking gear 27 with second gear 18, car door completely closes at this time.
What has been described above is only an embodiment of the present invention, and the common sense such as well known specific structure and characteristic are not made herein in scheme
Excessive description.It, without departing from the structure of the invention, can be with it should be pointed out that for those skilled in the art
Several modifications and improvements are made, these also should be considered as protection scope of the present invention, these all will not influence what the present invention was implemented
Effect and patent practicability.
Claims (10)
1. gear interlock type automobile back door hinge, it is characterised in that: including first axle, second hinge and third hinge, first
Hinge and second hinge pass through the rotation connection of the first pin shaft and first axle and the first pin shaft are affixed, second hinge and third hinge
It is rotatablely connected by the second pin shaft and third hinge and the second pin shaft is affixed；
Regulation room is provided with above the second hinge, first pin shaft and the second pin shaft are extend into regulation room, and first
Pin shaft is equipped with first gear and third gear, and the second pin shaft is equipped with second gear, and first gear and third gear distinguish position
Above and below second gear；
First pin shaft is equipped with the first unilateral bearing and third unilateral bearing, and the first unilateral bearing is equipped with the first friction
It takes turns, sets third friction pulley on third unilateral bearing；Second pin shaft is equipped with the second unilateral bearing and the 4th unilateral bearing, and second is single
It is equipped with the second friction pulley to bearing, the 4th unilateral bearing is equipped with the 4th friction pulley；First unilateral bearing and the 4th one-way shaft
The one-directional rotation direction held is identical, and the second unilateral bearing is identical with the one-directional rotation direction of third unilateral bearing；
Fixed column, locking gear, upper adjustable column, lower adjustable column and an adjusting rod are equipped in regulation room；Adjustable column rotation setting
In regulation room, it is socketed with friction pulley on the outer wall of upper adjustable column, lower friction pulley is socketed on the outer wall of lower adjustable column, is above rubbed
It wipes wheel to offset with the first friction pulley and the second friction pulley, lower friction pulley offsets with third friction pulley and the 4th friction pulley, upper adjusting
Column and lower adjustable column are equipped with internal screw thread, and adjusting rod is equipped with external screw thread and screw thread connects simultaneously with upper adjustable column and lower adjustable column
Connect, adjusting rod is connect with locking gear, adjusting rod and fixed column be keyed and adjusting rod can in fixed column vertical sliding, adjust
The external screw thread of pole has elasticity；Locking gear can be engaged with first gear, second gear and third gear；
It is additionally provided with the first magnet, the second magnet and third magnet in regulation room, the first magnet is located at the top of first gear, and second
Magnet is located at the lower section of second gear, and third magnet is located at the lower section of third gear, the first magnet, the second magnet and third magnet
Locking gear can be attracted.
2. gear interlock type automobile back door hinge according to claim 1, it is characterised in that: the adjusting rod is hollow, adjusts
The inner vertical of pole is equipped with the first key body, is equipped with the first keyway vertically on the outer wall of fixed column, the first key body is slidably arranged in
In first keyway.
3. gear interlock type automobile back door hinge according to claim 2, it is characterised in that: on the outer wall of the adjusting rod
Equipped with the second key body, the inner wall of locking gear is equipped with the second keyway, and the second key body is slidably arranged in the second keyway, adjusting rod
Outer wall on be additionally provided with elastic component, elastic component is connect far from one end of adjusting rod with locking gear.
4. gear interlock type automobile back door hinge according to claim 1, it is characterised in that: the regulation room includes removable
The upper cover unloaded.
5. gear interlock type automobile back door hinge according to claim 4, it is characterised in that: the upper cover is solid by screw
It is scheduled in regulation room.
6. gear interlock type automobile back door hinge according to claim 1, it is characterised in that: the outer wall of first pin shaft
Be equipped with the first arc key and third arc key, the inner wall of first gear is equipped with the first annular groove in part-toroidal, the first arc key with
The cooperation of first annular groove, the width of the first annular groove are equal to the interdental space of first gear, and it is in part that the inner wall of third gear, which is equipped with,
The third annular groove of annular, third arc key and third annular groove cooperate, and the width of third annular groove is equal to the interdental space of first gear.
7. gear interlock type automobile back door hinge according to claim 6, it is characterised in that: the first gear, second
The upper surface and lower end surface of each tooth are equipped with triangular prism shaped voussoir in gear, third gear and locking gear.
8. gear interlock type automobile back door hinge according to claim 1, it is characterised in that: the first axle is equipped with
First mounting plate, the first mounting plate are equipped with the first mounting hole；The third hinge is equipped with the second mounting plate, the second mounting plate
It is equipped with the second mounting hole.
9. gear interlock type automobile back door hinge according to claim 8, it is characterised in that: the two sides of the second hinge
It is all provided with fluted, first axle and third hinge are equipped with the protrusion with matching grooves.
10. gear interlock type automobile back door hinge according to claim 9, it is characterised in that: the first axle, second
The two sides of hinge and third hinge are in curved surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910406623.1A CN109944517B (en) | 2019-05-16 | 2019-05-16 | Gear interlocking type automobile back door hinge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910406623.1A CN109944517B (en) | 2019-05-16 | 2019-05-16 | Gear interlocking type automobile back door hinge |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109944517A true CN109944517A (en) | 2019-06-28 |
| CN109944517B CN109944517B (en) | 2021-06-18 |
Family
ID=67017322
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910406623.1A Active CN109944517B (en) | 2019-05-16 | 2019-05-16 | Gear interlocking type automobile back door hinge |
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| Country | Link |
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| CN (1) | CN109944517B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112943013A (en) * | 2019-12-10 | 2021-06-11 | 江西大发门业有限公司 | Door hinge with automatic locking function |
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| Publication number | Publication date |
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| CN109944517B (en) | 2021-06-18 |
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