CN213774937U

CN213774937U - Vehicle door hinge

Info

Publication number: CN213774937U
Application number: CN202022272721.1U
Authority: CN
Inventors: 朱恩洲; 龙佳庆; 冯艺; 熊凤辉; 臧晓辉; 陈志勇; 陈栋
Original assignee: Liuzhou Vocational and Technical College
Current assignee: Liuzhou Vocational and Technical College
Priority date: 2020-10-13
Filing date: 2020-10-13
Publication date: 2021-07-23
Anticipated expiration: 2030-10-13

Abstract

The utility model discloses a vehicle door hinge, which comprises a fixed leaf, a movable leaf and an articulated shaft, wherein the fixed leaf is fixedly arranged on a vehicle body, the movable leaf is fixedly arranged on the vehicle door, and the articulated shaft is articulated between the fixed leaf and the movable leaf so that the movable leaf can rotate around the axis of the articulated shaft with single degree of freedom; the fixed page is also provided with a positioning part for mounting and positioning with the vehicle body; through setting up location portion, not only increased the installation positioning accuracy of stationary blade and automobile body, still improved assembly efficiency and assembly qualification rate to improve the switching performance of door, location portion still has the effect of bearing stationary blade gravity, thereby increased stationary blade and automobile body connected's fastness, avoided leading to the stationary blade to become flexible, risk such as drop because of the gravity of stationary blade.

Description

Vehicle door hinge

Technical Field

The utility model relates to the field of automobiles, in particular to door hinge.

Background

Along with economic development and market demand, people are increasingly high to the required quality of car, and the door hinge plays very important effect as the connecting piece of connecting automobile body and door in the door switching in-process, among the prior art, adopts two bolts directly to fix the stationary blade on the automobile body more, and the bolt can receive vertical decurrent tangential force, and the bolt is easy to break, and the installation positioning accuracy of stationary blade is lower, influences the switching of door, still has defects such as structure insecure simultaneously.

Therefore, it is urgently needed to develop a door hinge, which has a simple structure, not only has higher installation and positioning accuracy, but also enhances the firmness of connection with a vehicle body, so that the door and the vehicle body are tightly matched, and the reliability and safety of opening and closing the door are improved.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a door hinge not only has higher installation positioning accuracy, has still strengthened the fastness with the automobile body coupling to make the closely cooperation between door and the automobile body, still improved the reliability, the security of door switching simultaneously.

The utility model discloses a vehicle door hinge, including stationary leaf, activity page or leaf and articulated shaft, the stationary leaf is fixed to be set up on the automobile body, the activity page or leaf is fixed to be set up on the door, the articulated shaft is articulated to be connected between stationary leaf and activity page or leaf, so that the activity page or leaf can be around the single degree of freedom rotation of articulated shaft axis;

and the fixed page is also provided with a positioning part for mounting and positioning with the vehicle body.

Further, the positioning part is a positioning boss which is arranged on the surface of the fixed page close to the vehicle body side along the transverse direction.

Further, the fixed connection between the fixed page and the vehicle body is bolted connection, a bolt through hole for bolted connection is formed in the fixed page, and the positioning boss is a circular boss coaxially arranged with the bolt through hole.

Furthermore, the number of the bolt through holes is three, and the bolt through holes are arranged in a triangular shape.

Further, the fixed page comprises a fixed page bottom plate, a fixed page upper side plate and a fixed page lower side plate, and the fixed page upper side plate and the fixed page lower side plate are respectively and fixedly arranged on two sides of the fixed page bottom plate;

the bolt through hole sets up on the solid fixed page bottom plate, gu fixed page upper side board has seted up solid fixed page upper connecting hole along vertical direction, gu fixed page lower side board has seted up solid fixed page lower connecting hole along vertical direction, gu fixed page upper connecting hole sets up with gu fixed page lower connecting hole is coaxial, the articulated shaft wears to locate solid fixed page upper connecting hole and gu fixed page lower connecting hole in form and is connected.

Furthermore, a reinforcing rib I is arranged between the fixed page upper side plate and the fixed page bottom plate, and a reinforcing rib II is arranged between the side plate II and the bottom plate.

Further, still be provided with spacing post on the stationary leaf, be provided with the spacing journal stirrup with spacing post looks adaptation on the activity page or leaf, through the contact cooperation of spacing journal stirrup and spacing post to play and carry on spacingly to the turned angle of activity page or leaf.

Furthermore, the movable leaf is of a U-shaped structure and comprises a movable leaf bottom plate, and a movable leaf upper side plate and a movable leaf lower side plate which are fixedly arranged at two ends of the movable leaf bottom plate, wherein a movable leaf upper connecting hole and a movable leaf lower connecting hole which are used for a hinge shaft to penetrate through are respectively formed in the movable leaf upper side plate and the movable leaf lower side plate.

In this embodiment, spacing post is fixed to be set up on the stationary leaf lower plate, the corresponding setting of spacing journal stirrup is on the activity page lower plate.

Furthermore, the hinge shaft is fixedly connected to the fixed leaf, and the movable leaf can rotate around the hinge shaft in a single degree of freedom and is connected to the hinge shaft.

The hinge shaft comprises a hinge shaft body and a locking piece arranged on the hinge shaft body, the hinge shaft penetrates through the upper connecting hole of the fixed page and the lower connecting hole of the fixed page and is fixed on the fixed page through the locking piece; the upper connecting hole and the lower connecting hole of the movable leaf are sleeved on the hinge shaft body and can rotate around the hinge shaft body.

The utility model has the advantages that: the utility model discloses a door hinge through setting up location portion, has not only increased the installation positioning accuracy of stationary blade and automobile body, has still improved assembly efficiency and assembly qualification rate to improve the switching performance of door, location portion still has the effect of bearing stationary blade gravity, thereby has increased stationary blade and automobile body connected's fastness, avoids leading to the stationary blade to become flexible, risk such as drop because of the gravity of stationary blade.

Drawings

The invention will be further described with reference to the following figures and examples:

fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the stationary blade of the present invention;

FIG. 3 is a schematic structural view of the stationary blade of the present invention;

fig. 4 is a schematic structural view of the hinge shaft of the present invention;

fig. 5 is a schematic structural view of the movable sheet of the present invention.

Detailed Description

Fig. 1 is a schematic structural view of the present invention, fig. 2 is a schematic structural view of a fixed leaf of the present invention, fig. 3 is a schematic structural view of a fixed leaf of the present invention, fig. 4 is a schematic structural view of an articulated shaft of the present invention, and fig. 5 is a schematic structural view of a movable leaf of the present invention; the automobile body width direction transversely is, vertically be along automobile body length direction, vertical direction is along automobile body direction of height, the front end is for leaning on locomotive one end along longitudinal direction, the rear end is for leaning on rear of a vehicle one end along longitudinal direction, as shown in the figure: the utility model discloses a vehicle door hinge, including stationary leaf 1, activity page or leaf 3 and articulated shaft 2, stationary leaf 1 is fixed to be set up on the automobile body, activity page or leaf 3 is fixed to be set up on the automobile door, articulated shaft 2 is articulated to be connected between stationary leaf and activity page or leaf, so that the activity page or leaf can be around the single degree of freedom rotation of articulated shaft axis; the fixed page 1 is also provided with a positioning part 17 for mounting and positioning with a vehicle body; by arranging the positioning part 17, the mounting and positioning accuracy of the fixed page 1 and the vehicle body can be increased, the assembling efficiency and the assembling qualification rate are improved, the opening and closing performance of the vehicle door can be improved, and the positioning part 17 also has the function of bearing the gravity of the fixed page, so that the firmness of the connection between the fixed page and the vehicle body is increased, and the risks of loosening and falling of the fixed page due to the gravity of the fixed page are avoided; of course, the mounting and positioning accuracy of the fixing sheet and the vehicle body during assembly can be improved by increasing the processing accuracy of each component, increasing the limiting member or other methods, and details are not repeated herein.

In this embodiment, the positioning portion 17 is a positioning boss 17, and the positioning boss 17 is arranged on a surface 18 of the fixed page close to the vehicle body side along the transverse direction; the positioning boss 17 and the fixed page 1 are integrally formed and manufactured, and the integral forming manufacturing is adopted, so that the structural strength of the connecting part can be increased, the connecting reliability of the positioning boss and the fixed page is improved, and the positioning boss and the fixed page can be connected into a whole by welding connection, bolt connection or other forms of fixed connection, and further description is omitted; the positioning boss is inserted into the positioning hole on the vehicle body, so that the positioning effect is achieved, the assembly efficiency and the assembly precision are improved, and meanwhile, the positioning boss is matched with the positioning hole, so that the fixing page is supported; of course, the positioning boss can be fixedly arranged on the vehicle body, the positioning hole is arranged on the fixed page, the positioning requirement can be realized, the positioning boss can be selected according to the specific requirement, and the description is omitted.

In this embodiment, the fixed connection between the fixed page 1 and the vehicle body is a bolt connection, a bolt through hole 111 for bolt connection is formed in the fixed page, and the positioning boss 17 is an annular boss 17 coaxially arranged with the bolt through hole 111; the bolt connection is adopted, so that not only can the firmness of the fixed connection between the fixed leaves and the vehicle body be ensured, but also the fixed leaves can be conveniently assembled and disassembled, and can be connected into a whole through welding connection, riveting connection or other forms of fixed connection, and the description is omitted; the positioning boss 17 is arranged to be a circular boss 17 coaxial with the bolt through hole, the bolt penetrates through the bolt through hole 111 and the circular boss 17 and is fixed on the vehicle body, the circular boss 17 bears the gravity of the fixed page, so that the vertical downward tangential force borne by the bolt is reduced, the risk of fracture, distortion and the like caused by the fact that the bolt bears a larger tangential force is avoided, the service life of the bolt is prolonged, the firmness of the fixed connection of the fixed page and the vehicle body is improved, and the vertical downward tangential force is the gravity of the fixed page, the movable page and the vehicle door; through adopting ring shape boss, can adopt the punching press to shape circular boss and bolt through-hole in proper order, not only be convenient for manufacture, can also reduce the shaping process to reduction in production cost, of course, also can adopt the annular boss of rectangle, trapezoidal or other shapes, can choose for use according to specific demand, no longer give consideration to here.

In this embodiment, three bolt through holes 111 are arranged in a triangle; the bolt through holes 111 are arranged in a triangular shape, and by using the stability of the triangular shape, not only can the firmness of bolt connection be increased, but also the economy is better, and certainly, more bolts can be adopted to further ensure the firmness of bolt connection, which is not described herein again; the bolt through holes are respectively a bolt through hole I111 a, a bolt through hole II 111b and a bolt through hole III 111c, the bolt through hole II 111b and the bolt through hole III 111c are arranged on two sides of the rear end of the fixed page along the longitudinal direction, the rear end of the fixed page is close to the tail end along the longitudinal direction, the bolt through hole I111 a is arranged on the front side of the fixed page and is arranged at the middle position of the bolt through hole II 111b and the bolt through hole III 111c along the vertical direction, the arrangement is carried out so that the stress of each bolt through hole is uniform, the three circular ring-shaped bosses are respectively a circular ring-shaped boss I17 a, a circular ring-shaped boss II 17b and a circular ring-shaped boss III 17c, the circular ring-shaped boss I, the circular ring-shaped boss II and the circular ring-shaped boss III are respectively coaxial with the bolt through hole I, the bolt through hole II and the bolt through hole III, and the three circular ring-shaped bosses arranged in a triangle form, the bearing capacity of the circular boss is increased, and the firmness of connection of the fixed page and the vehicle body is further increased.

In this embodiment, the fixed page 1 includes a fixed page bottom plate 11, a fixed page upper side plate 12 and a fixed page lower side plate 13, and the fixed page upper side plate 12 and the fixed page lower side plate 13 are respectively and fixedly disposed on two sides of the fixed page bottom plate 11; the fixed page bottom plate 11, the fixed page upper side plate 12 and the fixed page lower side plate 13 are manufactured in an integrated manner, and through the integrated manufacturing, the structural strength of a joint can be guaranteed, so that the structural strength of the fixed page is improved, and the production and the manufacturing are facilitated; of course, the connection may be made by welding, bolting or other types of fastening, which will not be described in detail herein.

The bolt through hole 111 is arranged on the fixed-leaf bottom plate 11, the fixed-leaf upper side plate 12 is provided with a fixed-leaf upper connecting hole 121 along the vertical direction, the fixed-leaf lower side plate 13 is provided with a fixed-leaf lower connecting hole 131 along the vertical direction, the fixed-leaf upper connecting hole 121 and the fixed-leaf lower connecting hole 131 are coaxially arranged, and the hinge shaft 2 is inserted into the fixed-leaf upper connecting hole 121 and is connected with the fixed-leaf lower connecting hole 131; the fixed page upper side plate 12 and the fixed page lower side plate 13 are arranged at the rear end of the fixed page bottom plate 11, so that the structure compactness can be increased, and the raw material is saved; the upper connecting hole and the lower connecting hole of the fixed page are cylindrical through holes which are arranged to be cylindrical, so that the upper connecting hole and the lower connecting hole of the fixed page are convenient to process and manufacture and can be conveniently assembled and connected with the hinge shaft, and of course, rectangular or other connecting holes can be adopted, and are not described again; and the bolt through hole I, the bolt through hole II and the bolt through hole III are arranged on the fixed page bottom plate.

In this embodiment, a reinforcing rib i 14 is arranged between the fixed page upper side plate 12 and the fixed page bottom plate 11, and a reinforcing rib ii 15 is arranged between the fixed page lower side plate 13 and the fixed page bottom plate; through setting up strengthening rib I14 and strengthening rib II 15, increased structure strength between solid fixed page upper plate 12, solid fixed page lower plate 13 and the solid fixed page bottom plate 11, strengthening rib I14 and strengthening rib II 15 are all made through the punching press to the compactness of structure has been increased, and of course also can strengthen through the additional strengthening of welding or other forms, no longer gives unnecessary details here, strengthen I and strengthening rib II and be the triangle-shaped strengthening rib, still can also be for the sake of course rectangle, oval or other shapes, no longer describe here, select for use the triangle-shaped strengthening rib here for use, not only its simple structure, still utilize the stability that triangle-shaped has to further improve the structural strength of junction.

In this embodiment, the fixed page 1 is further provided with a limiting post 16, the movable page 3 is provided with a limiting lug 332 adapted to the limiting post, and the limiting lug 332 is in contact fit with the limiting post 16, so that the rotation angle of the movable page is limited; in the activity page or leaf rotation process, through spacing journal stirrup 332 on the activity page or leaf and the spacing post 16 contact cooperation on the stationary page or leaf to spacing to the turned angle of activity page or leaf, also carrying on spacingly to the opening angle of door, avoid the too big and risk such as lead to the door to interfere of door switching, still can carry on spacingly through the cooperation or other modes that set up spacing arch and spacing groove certainly, no longer give unnecessary details here.

In this embodiment, the movable sheet is a U-shaped structure, and includes a movable sheet bottom plate 31, and a movable sheet upper side plate 32 and a movable sheet lower side plate 33 fixedly disposed at two ends of the movable sheet bottom plate 31, wherein the movable sheet upper side plate 32 and the movable sheet lower side plate 33 are respectively provided with a movable sheet upper connecting hole 321 and a movable sheet lower connecting hole 331 through which the hinge shaft 2 passes; the movable leaf bottom plate, the movable leaf upper side plate and the movable leaf lower side plate are integrally formed and manufactured, and can be connected into a whole by welding connection, bolt connection or other forms of fixed connection, and the movable leaf bottom plate, the movable leaf upper side plate and the movable leaf lower side plate are integrally formed and manufactured due to the simple structure, so that the structural strength of a connecting part can be increased, and the assembly is facilitated; the fixed connection between the movable leaf and the vehicle door is bolt connection, and can also adopt welding connection, riveting connection or other forms of fixed connection, which is not described herein again; the movable leaf bottom plate 31 is provided with a movable leaf bolt through hole I311 and a movable leaf bolt through hole II 312 for a bolt to pass through, and the bolt passes through the movable leaf bolt through hole I311 and the movable leaf bolt through hole II 312 and is fixedly connected to a vehicle door; the upper connecting hole 321 of the movable leaf and the lower connecting hole 331 of the movable leaf are coaxially arranged and externally sleeved on the hinge shaft.

In this embodiment, the limiting column 16 is fixedly disposed on the fixed-page lower side plate 13, and the limiting support lug 332 is correspondingly disposed on the movable-page lower side plate 33; the limiting column 16 is fixedly connected to the upper side plate of the fixed page through interference connection, the interference connection is adopted, the production and the manufacture are convenient, the production cost is saved, and the limiting column can be connected through welding, riveting or other forms of fixed connection, which is not described herein again; the lower side plate 13 of the fixed page is provided with a mounting hole 132 matched with the limit column 16, and interference connection is formed by inserting the limit column into the mounting hole; the limiting support lug and the lower side plate of the movable leaf are manufactured by integral forming, and can be connected into a whole by welding connection, riveting connection or other fixed connection modes, and the description is omitted; the limiting column can be arranged on the upper side plate of the fixed page, and the limiting support lug is correspondingly arranged on the upper side plate of the movable page; or all set up spacing post on solid fixed page upper plate, solid fixed page lower plate, corresponding set up spacing journal stirrup simultaneously on activity page upper plate, activity page lower plate, can set up according to specific needs, no longer give consideration to here.

In the embodiment, the hinge shaft 2 is fixedly connected to the fixed leaf 1, and the movable leaf 3 can rotate around the hinge shaft 2 in a single degree of freedom and is connected to the hinge shaft 2; on the premise of realizing the rotation of the movable page relative to the fixed page, the abrasion among parts is reduced, and the service life is prolonged; of course, the hinge shaft can be rotatably connected to the fixed page around the axis of the hinge shaft, the movable page is fixedly connected to the hinge shaft, or the hinge shaft is rotatably connected to the fixed page and the movable page, so that the function of the movable page rotating relative to the fixed page can be realized, the function can be adopted according to specific requirements, and the description is omitted.

The hinge shaft 2 comprises a hinge shaft body and a locking member 23 arranged on the hinge shaft body, the hinge shaft body is arranged in the upper connecting hole 121 and the lower connecting hole 131 of the fixed leaf in a penetrating way, and is fixed on the fixed leaf 1 through the locking member 23; the upper movable leaf connecting hole 321 and the lower movable leaf connecting hole 331 are externally sleeved on the hinge shaft body and can rotate around the hinge shaft body; the hinge shaft body comprises a hinge shaft body head 21 and a hinge shaft body rod part 22, the hinge shaft body rod part 22 and the hinge shaft body head 21 are integrally formed and manufactured, and a welding connection or other forms of fixed connection can be adopted, so that the details are not repeated; the hinge shaft rod part 22 sequentially penetrates through the fixed page lower connecting hole 131, the movable page lower connecting hole 331, the movable page upper connecting hole 321 and the fixed page upper connecting hole 121 from bottom to top, the hinge shaft body head part 21 is in contact fit with the fixed page lower side plate 13 and is fixedly connected to the hinge shaft body rod part 22 along the axis of the hinge shaft through the locking piece, the hinge shaft head part 21 and the locking piece 23 are respectively abutted against the fixed page lower side plate 13 and the fixed page upper side plate 12 through the locking force of the locking piece 23, so that the hinge shaft 2 is fixed on the fixed page 1, the locking piece 23 is a locking bolt 23, the upper end of the rod part of the hinge shaft body is provided with a threaded hole 221 matched with the locking bolt, and the locking bolt is screwed into the threaded hole to form bolt connection; of course, the locking bolt can be welded on the rod part of the hinge shaft body, and the details are not repeated; the upper connecting hole and the lower connecting hole of the movable leaf can rotate around the rod part of the connecting shaft; the joint shaft is characterized in that the head of the joint shaft body is further provided with an inner hexagonal counter bore, and the locking bolt is fastened on the joint shaft body through the combined action of the inner hexagonal counter bore and the locking bolt, so that the connection is firmer.

Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims

1. A vehicle door hinge, characterized in that: the hinge shaft is hinged between the fixed leaf and the movable leaf so that the movable leaf can rotate around the axis of the hinge shaft in a single degree of freedom;

2. The door hinge according to claim 1, wherein: the positioning part is a positioning boss which is arranged on the surface of the fixed page close to one side of the vehicle body along the transverse direction.

3. The door hinge according to claim 2, wherein: the fixed connection between the fixed page and the vehicle body is bolted connection, a bolt through hole for bolted connection is formed in the fixed page, and the positioning boss is a circular boss coaxially arranged with the bolt through hole.

4. The door hinge according to claim 3, wherein: the number of the bolt through holes is three, and the bolt through holes are arranged in a triangular shape.

5. The door hinge according to claim 4, wherein: the fixed page comprises a fixed page bottom plate, a fixed page upper side plate and a fixed page lower side plate, and the fixed page upper side plate and the fixed page lower side plate are respectively and fixedly arranged on two sides of the fixed page bottom plate;

6. The door hinge according to claim 5, wherein: a reinforcing rib I is arranged between the fixed page upper side plate and the fixed page bottom plate, and a reinforcing rib II is arranged between the side plate II and the bottom plate.

7. The door hinge according to claim 5, wherein: the fixed page is further provided with a limiting column, the movable page is provided with a limiting support lug matched with the limiting column, and the limiting support lug is in contact fit with the limiting column, so that the effect of limiting the rotation angle of the movable page is achieved.

8. The door hinge according to claim 7, wherein: the movable leaf is of a U-shaped structure and comprises a movable leaf bottom plate, and a movable leaf upper side plate and a movable leaf lower side plate which are fixedly arranged at two ends of the movable leaf bottom plate, wherein a movable leaf upper connecting hole and a movable leaf lower connecting hole which are used for a hinge shaft to penetrate are respectively formed in the movable leaf upper side plate and the movable leaf lower side plate.

9. The door hinge according to claim 8, wherein: the limiting mounting post is fixedly arranged on the lower side plate of the fixed page, and the limiting mounting support lug is correspondingly arranged on the lower side plate of the movable page.

10. The door hinge according to claim 9, wherein: the hinge shaft is fixedly connected to the fixed leaf, and the movable leaf can rotate around the hinge shaft in a single degree of freedom and is connected to the hinge shaft;