CN215803947U

CN215803947U - High stability door hinge

Info

Publication number: CN215803947U
Application number: CN202121939425.0U
Authority: CN
Inventors: 陈瑞龙
Original assignee: Xuancheng Longhu Precision Technology Co ltd
Current assignee: Xuancheng Longhu Precision Technology Co ltd
Priority date: 2021-08-18
Filing date: 2021-08-18
Publication date: 2022-02-11
Anticipated expiration: 2031-08-18

Abstract

A high-stability vehicle door hinge comprises an upper hinge main body and a lower hinge main body, wherein the end part of the upper hinge main body is connected with a shaft sleeve, the end part of the lower hinge main body is fixedly connected with a pin shaft matched with the shaft sleeve, and a limiting assembly for reinforcing connection is arranged between the pin shaft and the shaft sleeve to limit the radial relative displacement of the pin shaft and the shaft sleeve; set up spacing subassembly and can carry on spacingly to the top of going up the hinge main part, make and go up the unable upward movement of hinge main part, the unable radial skew of hinge main part is made in the restriction of hinge main part and spacing subassembly down, and the axial rotation between hinge main part and the lower hinge main part is gone up in the guarantee, and spacing subassembly can support hinge main part with hinge main part cooperation down jointly.

Description

High stability door hinge

Technical Field

The utility model belongs to the technical field of vehicle door hinges, and particularly relates to a high-stability vehicle door hinge.

Background

Hinges, also known as hinges or door hinges, are mechanical devices used to connect two solid bodies and allow relative rotation between them, and door hinges are used to connect a door to a vehicle body and secure and maintain the position of the door relative to the vehicle body. The door hinge generally comprises two upper and lower hinges, and realizes the rotation through round pin hub connection, and one of them hinge need be connected with the door, therefore also must bear the weight of door, can appear radial offset because of door self gravity between two upper and lower door hinges to influence the axial rotation, lead to two upper and lower door hinged joint unstablely.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model provides a high-stability vehicle door hinge, which has the following specific technical scheme:

the utility model provides a high stability door hinge, includes hinge main part and hinge main part down, it has the axle sleeve to go up hinge main part end connection, hinge main part end fixedly connected with down with the round pin axle that the axle sleeve matches, the round pin axle with be provided with the spacing subassembly of enhancement connection between the axle sleeve, restriction round pin axle and the radial relative displacement of axle sleeve.

Furthermore, the limiting assembly comprises a connecting piece, a telescopic piece, an annular groove and a groove, the connecting piece is arranged above the upper hinge main body and the lower hinge main body, the end part of the connecting piece is located in the shaft sleeve, the telescopic piece is arranged inside one end, close to the shaft sleeve, of the connecting piece, the annular groove matched with the telescopic piece is formed in the inner wall of the shaft sleeve, and the groove matched with the end part of the connecting piece is formed in one end, located inside the shaft sleeve, of the pin shaft.

Furthermore, the connecting piece includes connecting plate, connecting hole and connecting rod, the connecting hole has been opened to connecting plate surface symmetry, connecting plate middle part fixedly connected with connecting rod, the one end that the connecting rod deviates from the connecting plate is located in the axle sleeve and with the recess adaptation.

Further, the extensible member includes cavity, through-hole one, through-hole two, spring and movable block, the connecting rod lean on to the one end of axle sleeve is opened there is the cavity, the lateral wall top symmetry of cavity is opened there is through-hole one, cavity lateral wall bottom symmetry is opened there is through-hole two, the inside symmetry of cavity is provided with the movable block, the movable block top extends to a through-hole outside, the movable block bottom extends to two outsides of through-hole just are located in the ring channel, through spring coupling between the movable block.

Further, the movable block comprises a first protrusion, a connecting part and a second protrusion which are sequentially arranged from top to bottom, the first protrusion is matched with the first through hole, and the second protrusion is matched with the second through hole.

Further, the shaft sleeve comprises a first ring portion and a second ring portion, the inner diameters of the first ring portion and the second ring portion are consistent, the outer diameter of the first ring portion is smaller than the outer diameter of the second ring portion, and the annular groove is located on the inner wall of the second ring portion.

Further, the surfaces of the upper hinge main body and the lower hinge main body are provided with mounting holes.

The utility model has the beneficial effects that:

1. the limiting component is arranged to limit the top of the upper hinge main body, so that the upper hinge main body cannot move upwards, the upper hinge main body cannot radially offset due to the limitation of the lower hinge main body and the limiting component, the axial rotation between the upper hinge main body and the lower hinge main body is guaranteed, and the limiting component and the lower hinge main body can be matched to jointly support the upper hinge main body;

2. the axle sleeve sets to first ring portion and second ring portion for the spacing subassembly of cooperation, and can avoid self to take place deformation, maintains the stability of self.

Drawings

FIG. 1 illustrates a schematic structural view of a high stability door hinge of the present invention;

FIG. 2 is a schematic structural diagram of a spacing mechanism of the present invention;

FIG. 3 shows a schematic view of the lower hinge body structure of the present invention;

FIG. 4 shows a schematic structural view of the upper hinge body of the present invention;

FIG. 5 shows a schematic of the cavity structure of the present invention;

FIG. 6 is a schematic view of the movable block structure of the present invention;

shown in the figure: 1. an upper hinge body; 2. a lower hinge body; 3. a shaft sleeve; 31. a first ring portion; 32. a second ring portion; 4. a pin shaft; 5. a limiting component; 51. a connecting member; 511. a connecting plate; 512. connecting holes; 513. a connecting rod; 52. a telescoping member; 521. a cavity; 522. a first through hole; 523. a second through hole; 524. a spring; 53. an annular groove; 54. a groove; 55. a movable block; 551. a first protrusion; 552. a connecting portion; 553. a second protrusion; 6. and (7) installing holes.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

As shown in fig. 1, a high stability door hinge, includes hinge main part 1 and hinge main part 2 down, the end connection of hinge main part 1 has

axle sleeve

3, 2 end fixedly connected with of hinge main part down with round pin axle 4 that axle sleeve 3 matches, round pin axle 4 with be provided with between the axle sleeve 3 and strengthen the spacing subassembly 5 of connection, restriction round pin axle 4 and the radial relative displacement of axle sleeve 3.

The internal diameter of axle sleeve 3 matches with the diameter of round pin axle 4, therefore round pin axle 4 can enter into inside axle sleeve 3, realize hinge main part 1 and the relative rotation between the hinge main part 2 down, it can be to the radial relative displacement of restriction round pin axle 4 and axle sleeve 3 to set up spacing subassembly 5, make round pin axle 4 be located axle sleeve 3 and can rotate, but be difficult for carrying out radial linear motion, thereby guarantee the connection stability between axle sleeve 3 and the round pin axle 4, and spacing subassembly 5 can share door weight, further mention hinge main part 1 and hinge main part 2 and door automobile body connection stability down.

As shown in fig. 2 to 4, the limiting assembly 5 includes a connecting member 51, an expansion member 52, an annular groove 53 and a groove 54, the connecting member 51 is disposed above the upper hinge body 1 and the lower hinge body 2, an end of the connecting member 51 is located in the shaft sleeve 3, the expansion member 52 is disposed inside one end of the connecting member 51 close to the shaft sleeve 3, the annular groove 53 adapted to the expansion member 52 is formed in the inner wall of the shaft sleeve 3, and the groove 54 adapted to the end of the connecting member 51 is formed at one end of the pin shaft 4 located inside the shaft sleeve 3.

Connecting piece 51 can be connected with the automobile body, and extensible member 52 is located connecting piece 51's tip, and extensible member 52 can be located axle sleeve 3 with connecting piece 51 tip together, and extensible member 52 cooperates with annular groove 53, and the position between spacing round pin axle 4 and the axle sleeve 3 restricts it and takes place radial movement, but does not influence axle sleeve 3 and round pin axle 4's axial rotation, and connecting piece 51's tip is located recess 54, carries on spacingly to round pin axle 4 top.

As shown in fig. 2, the connecting member 51 includes a connecting plate 511, connecting holes 512 and connecting rods 513, the connecting holes 512 are symmetrically formed in the surface of the connecting plate 511, the connecting rods 513 are fixedly connected to the middle of the connecting plate 511, and one end of each connecting rod 513, which is away from the connecting plate 511, is located in the shaft sleeve 3 and is matched with the groove 54.

Connecting hole 512 symmetry sets up and the connecting plate 511 surface, and the bolt can pass connecting hole 512, can install connecting plate 511 on the automobile body through the bolt, and connecting rod 513 is the setting of L type, and connecting rod 513 one end and connecting plate 511 welded fastening, and the connecting rod 513 other end is located recess 54 just, conveniently adjusts the position of placing of connecting rod 513 tip.

As shown in fig. 5 to 6, the extensible member 52 includes a cavity 521, a first through hole 522, a second through hole 523, a spring 524, and a movable block 55, wherein a cavity 521 is opened at one end of the connecting rod 513 close to the shaft sleeve 3, the first through hole 522 is symmetrically opened at the top of the side wall of the cavity 521, the second through hole 523 is symmetrically opened at the bottom of the side wall of the cavity 521, the movable blocks 55 are symmetrically arranged inside the cavity 521, the top ends of the movable blocks 55 extend to the outer side of the first through hole 522, the bottom ends of the movable blocks 55 extend to the outer side of the second through hole 523 and are located in the annular groove 53, and the movable blocks 55 are connected by the spring 524.

The first through hole 522 is located above the second through hole 523, the first through hole 522, the second through hole 523 and the cavity 521 are in a communicated state, the movable block 55 is located in the cavity 521, the top of the side wall of the movable block 55 extends to the outer side of the first through hole 522, the bottom of the side wall of the movable block 55 extends to the outer side of the second through hole 523, and the top and the bottom of the movable block 55 are both in contact with the inner wall of the cavity 521, so that the movable block 55 can only axially and linearly move, and the two movable blocks 55 are separated by the spring 524 to enable the side wall of the movable block 55 to be in contact with the inner wall of the cavity 521.

As shown in fig. 6, the movable block 55 includes a first protrusion 551, a connecting portion 552, and a second protrusion 553 arranged from top to bottom, the first protrusion 551 is fitted to the first through hole 522, and the second protrusion 553 is fitted to the second through hole 523.

The ends of the first projection 551 and the second projection 553 are located outside the cavity 521, the first projection 551 is located outside the bushing 3, the second projection 553 is located in the annular groove 53, the lower hinge body 2 is also required to bear the force applied by the upper hinge body 1 due to the connection plate 511 being connected with the vehicle body, so that when the force applied by the upper hinge body 1 is too heavy, the connection of the lower hinge body 2 with the vehicle body may be loosened and sunk, because the second projection 553 is located in the annular groove 53 and the connection member 51 is fixedly connected with the vehicle body, when the upper hinge body 1 bears a large force and a force is ready to be applied to the lower hinge body 2, the stopper assembly 5 can bear a part of the force, reduce the force applied by the upper hinge body 1 to the lower hinge body 2, thereby ensuring the connection stability of the lower hinge body 2 and the vehicle body, and because the second projection 553 is located in the annular groove 53, when the upper hinge body 1 is ready to move upwards, the upper hinge body 1 can only rotate but can not move longitudinally and linearly because the upper hinge body is restricted by the limiting component 5.

As shown in fig. 4, the sleeve 3 includes a first ring portion 31 and a second ring portion 32, the inner diameters of the first ring portion 31 and the second ring portion 32 are the same, the outer diameter of the first ring portion 31 is smaller than the outer diameter of the second ring portion 32, and the annular groove 53 is located on the inner wall of the second ring portion 32.

The first ring part 31 and the second ring part 32 have the same inner diameter and are communicated, the outer diameter of the first ring part 31 is smaller than that of the second ring part 32, therefore, the thickness of the second ring part 32 is larger than that of the first ring part 31, because the annular groove 53 is positioned at the second ring part 32, the thickness does not affect the shaft sleeve 3, and the shaft sleeve 3 is prevented from deforming.

As shown in fig. 1, the upper hinge body 1 and the lower hinge body 2 are each provided with a mounting hole 6 on a surface thereof.

The mounting holes 6 are symmetrically arranged on the surfaces of the upper hinge main body 1 and the lower hinge main body 2, and bolts can penetrate through the mounting holes 6 to connect the upper hinge main body 1 and the lower hinge main body 2 with a vehicle body and a vehicle door respectively.

The working principle is as follows: the lower hinge body 2 is coupled to the vehicle body, the pin 4 is aligned with the boss 3, the upper hinge body 1 is coupled to the vehicle door, the first projection 551 is pressed inward to move the second projection 553 toward the cavity 521, the end of the connecting rod 513 is placed inside the boss 3, and when the end of the connecting rod 513 is seated in the recess 54, the first projection 551 is released and the second projection 553 is moved outward into the annular groove 53, and the connecting plate 511 is mounted to the vehicle body.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. A high stability door hinge which characterized in that: including last hinge main part (1) and lower hinge main part (2), go up hinge main part (1) end connection has axle sleeve (3), hinge main part (2) tip fixedly connected with down with round pin axle (4) that axle sleeve (3) match, round pin axle (4) with be provided with between axle sleeve (3) and strengthen spacing subassembly (5) of connecting, restriction round pin axle (4) and axle sleeve (3) radial relative displacement.

2. A high stability door hinge according to claim 1, wherein: spacing subassembly (5) are including connecting piece (51), extensible member (52), ring channel (53) and recess (54), it is equipped with connecting piece (51) to go up the top of hinge main part (1) and lower hinge main part (2), the tip of connecting piece (51) is located in axle sleeve (3), just connecting piece (51) lean on to the inside extensible member (52) that is provided with of one end of axle sleeve (3), axle sleeve (3) inner wall open have with ring channel (53) of extensible member (52) adaptation, round pin axle (4) are located axle sleeve (3) inside one end open have with recess (54) of connecting piece (51) tip adaptation.

3. A high stability door hinge according to claim 2, wherein: connecting piece (51) are including connecting plate (511), connecting hole (512) and connecting rod (513), connecting hole (512) have been opened to connecting plate (511) surface symmetry, connecting plate (511) middle part fixedly connected with connecting rod (513), connecting rod (513) deviate from the one end of connecting plate (511) is located in axle sleeve (3) and with recess (54) adaptation.

4. A high stability door hinge according to claim 3, wherein: the telescopic piece (52) comprises a cavity (521), a first through hole (522), a second through hole (523), a spring (524) and a movable block (55), the connecting rod (513) is close to one end of the shaft sleeve (3) to be provided with the cavity (521), the top of the side wall of the cavity (521) is symmetrically provided with the first through hole (522), the bottom of the side wall of the cavity (521) is symmetrically provided with the second through hole (523), the movable block (55) is symmetrically arranged in the cavity (521), the top end of the movable block (55) extends to the outside of the first through hole (522), the bottom end of the movable block (55) extends to the outside of the second through hole (523) and is located in the annular groove (53), and the movable blocks (55) are connected through the spring (524).

5. A high stability door hinge according to claim 4, wherein: the movable block (55) comprises a first protrusion (551), a connecting part (552) and a second protrusion (553) which are arranged from top to bottom in sequence, the first protrusion (551) is matched with the first through hole (522), and the second protrusion (553) is matched with the second through hole (523).

6. A high stability door hinge according to claim 2, wherein: the shaft sleeve (3) comprises a first ring part (31) and a second ring part (32), the inner diameters of the first ring part (31) and the second ring part (32) are consistent, the outer diameter of the first ring part (31) is smaller than that of the second ring part (32), and the annular groove (53) is located on the inner wall of the second ring part (32).

7. A high stability door hinge according to claim 1, wherein: the surfaces of the upper hinge main body (1) and the lower hinge main body (2) are provided with mounting holes (6).