Hinge structure of automobile door

Abstract

The utility model relates to the field of automobile doors, in particular to a hinge structure of an automobile door, which comprises a reinforcing block, a cylindrical connecting rod is fixedly connected to the middle of the bottom of the reinforcing block, and a plurality of groups of universal balls I are mounted on the periphery of the lower surface of the reinforcing block. The cylindrical connecting rod penetrates through the first sliding plate, the vehicle body part, the second sliding plate, the connecting ring block and a round through hole formed in the inner side of the vehicle door part, the bottom of the cylindrical connecting rod is fixedly connected with a positioning block, the inner side of the positioning block and the inner sides of the two fixing blocks are in threaded connection with bolts, and the two fixing blocks are fixedly connected with the bottom of the vehicle door part. During use, the cylindrical connecting rod penetrates through round through holes formed in the inner sides of the first sliding plate, the vehicle body part, the second sliding plate, the connecting ring block and the vehicle door part, then is in threaded connection with the inner side of the positioning block and the inner sides of the two sets of fixing blocks through bolts at the same time, and then abuts against the first sliding plate through a plurality of sets of first universal balls through the bolts, nuts and reinforcing blocks; therefore, the whole hinge structure can be stably connected together.

Description

Technical Field

[0001] The utility model relates to the field of automobile doors, in particular to a hinge structure of an automobile door. Background Art

[0002] The automobile door hinge is an important component connecting the door and the body. It can keep the door stable and firm when opening and closing. The existing automobile door hinge structure is such as a wear-resistant electric vehicle door hinge with publication number CN217400629U, which includes: a main body, a door part, a body part, a through hole and a pin shaft. The door part is arranged on the upper left side of the main body, the body part is arranged on the lower right side of the door part, the pin shaft is arranged on the lower right side of the door part, a sliding plate is installed on the lower end surface of the door part, a connecting ring is installed on the left side of the upper surface of the door part, and a plurality of universal balls are installed around the upper surface of the connecting ring.

[0003] In actual use, the hinge structure connects the door portion with the body portion by passing a pin through two through holes. However, it is inconvenient to separate the door portion from the body portion during disassembly. Therefore, we propose a hinge structure for a car door. Utility Model Content

[0004] The utility model aims to provide a hinge structure for a car door, comprising a reinforcement block, wherein a cylindrical connecting rod is fixedly connected to the middle position of the bottom of the reinforcement block, a plurality of sets of universal balls are installed around the lower surface of the reinforcement block, the cylindrical connecting rod passes through a sliding plate, a vehicle body, a sliding plate, a connecting ring block and a circular through hole opened on the inner side of a door portion, the bottom of the cylindrical connecting rod is fixedly connected to a positioning block, the inner side of the positioning block and the inner sides of two sets of fixing blocks are both threadedly connected with bolts, and the two sets of fixing blocks are both fixedly connected to the bottom of the door portion.

[0005] Preferably: the lower surfaces of the plurality of groups of universal balls are fitted with the upper surface of the sliding plate, the plurality of groups of universal balls are distributed in a circle with the cylindrical connecting rod as the central axis and are installed equidistantly, and the surfaces of the plurality of groups of universal balls and the upper surface of the sliding plate are coated with lubricating oil.

[0006] Preferably, the bottom of the first sliding plate is fixedly connected to the vehicle body, and the bottom of the vehicle body is fixedly connected to the second sliding plate.

[0007] Preferably: a plurality of sets of universal ball joints 2 are installed around the upper surface of the connecting ring block, the plurality of sets of universal ball joints 2 are distributed in a circle with the cylindrical connecting rod as the center axis, and are installed equidistantly, the upper surfaces of the plurality of sets of universal ball joints 2 are fitted with the lower surface of the sliding plate 2, and the surfaces of the plurality of sets of universal ball joints 2 and the lower surface of the sliding plate 2 are coated with lubricating oil.

[0008] Preferably, the connecting ring block is fixedly mounted on the top of the vehicle door portion.

[0009] Preferably, two groups of mounting holes 1 are formed on the vehicle body portion, and two groups of mounting holes 2 are formed on the vehicle door portion.

[0010] Preferably, the heads of the bolts fit into one set of fixing blocks, the bolts are threadedly connected to nuts, and the nuts fit into another set of fixing blocks.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] When the utility model is used, the cylindrical connecting rod passes through the circular through hole opened on the inner side of the sliding plate 1, the vehicle body, the sliding plate 2, the connecting ring block and the door portion, and then the inner side of the positioning block and the inner sides of the two groups of fixing blocks are simultaneously threadedly connected by bolts, and then nuts are installed so that the heads of the bolts fit one group of fixing blocks and the nuts fit the other group of fixing blocks, and then the bolts and nuts are used in conjunction with the reinforcing blocks to press against the sliding plate 1 through multiple groups of universal balls, so that the entire hinge structure can be stably connected together; when it is necessary to separate the vehicle body and the door portion, the bolts and nuts are removed, and the cylindrical connecting rod is removed, and the vehicle body and the door portion can be separated.

[0013] When in use, the door portion can drive the sliding plate 1 to rotate on the lower surface of multiple sets of universal balls. At the same time, due to the flexible rolling characteristics of the universal ball 1, the sliding plate 1 can slide very flexibly, and the door portion can drive the sliding plate 2 to rotate on the upper surface of multiple sets of universal balls. At the same time, due to the flexible rolling characteristics of the universal ball 2, the sliding plate 2 can slide very flexibly, thereby reducing the wear between the body portion and the door portion, and reducing the wear between the body portion and the reinforcement block. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 This is an exploded view of the utility model.

[0016] In the figure: 1. reinforcement block; 2. cylindrical connecting rod; 3. universal ball joint 1; 4. vehicle body; 5. sliding plate 1; 6. sliding plate 2; 7. round through hole; 8. positioning block; 9. fixing block; 10. bolt; 11. connecting ring block; 12. vehicle door; 13. universal ball joint 2; 14. mounting hole 1; 15. mounting hole 2; 16. nut. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0018] See also Figure 1 - Figure 2 The figure shows a hinge structure of a car door of the utility model, including a reinforcement block 1, a cylindrical connecting rod 2 is fixedly connected to the middle position of the bottom of the reinforcement block 1, a plurality of sets of universal balls 3 are installed around the lower surface of the reinforcement block 1, the cylindrical connecting rod 2 passes through the sliding plate 1 5, the body part 4, the sliding plate 2 6, the connecting ring block 11 and the round through hole 7 opened on the inner side of the door part 12, the bottom of the cylindrical connecting rod 2 is fixedly connected to the positioning block 8, the inner side of the positioning block 8 and the inner sides of the two sets of fixing blocks 9 are threadedly connected with bolts 10, and the two sets of fixing blocks 9 are fixedly connected to the bottom of the door part 12.

[0019] The lower surfaces of the plurality of sets of universal balls 3 are fitted with the upper surface of the sliding plate 5. The plurality of sets of universal balls 3 are distributed in a circle with the cylindrical connecting rod 2 as the central axis and are installed at equal distances. The surfaces of the plurality of sets of universal balls 3 and the upper surface of the sliding plate 5 are coated with lubricating oil. When in use, the door portion 12 can drive the sliding plate 5 to rotate on the lower surfaces of the plurality of sets of universal balls 3. At the same time, due to the flexible rolling characteristics of the universal balls 3, the sliding plate 5 can slide very flexibly.

[0020] The bottom of the sliding plate 1 5 is fixedly connected to the vehicle body 4 , and the bottom of the vehicle body 4 is fixedly connected to the sliding plate 2 6 , so that the sliding plate 1 5 , the vehicle body 4 and the sliding plate 2 6 are stably connected to each other.

[0021] A plurality of sets of universal balls 13 are installed around the upper surface of the connecting ring block 11. The plurality of sets of universal balls 13 are distributed in a circle with the cylindrical connecting rod 2 as the central axis and are installed equidistantly. The upper surfaces of the plurality of sets of universal balls 13 are in contact with the lower surface of the sliding plate 6. The surfaces of the plurality of sets of universal balls 13 and the lower surface of the sliding plate 6 are both coated with lubricating oil. When in use, the door portion 12 can drive the sliding plate 6 to rotate on the upper surfaces of the plurality of sets of universal balls 13. At the same time, due to the flexible rolling characteristics of the universal balls 13, the sliding plate 6 can slide very flexibly.

[0022] The connecting ring block 11 is fixedly mounted on the top of the vehicle door portion 12 , so that the connecting ring block 11 and the vehicle door portion 12 are stably connected.

[0023] The body portion 4 is provided with two sets of mounting holes 14, and the door portion 12 is provided with two sets of mounting holes 2 15; before actual use, two external bolts can be used to pass through the two sets of mounting holes 14 to connect with the external door, and then two external bolts can be used to pass through the two sets of mounting holes 2 15 to connect with the external body.

[0024] The head of the bolt 10 fits with one group of fixing blocks 9, and the bolt 10 is threadedly connected to the nut 16, and the nut 16 fits with another group of fixing blocks 9; through the bolt 10 and the nut 16, the entire hinge structure can be stably connected together; and when the inner side of the positioning block 8 and the inner side of the two groups of fixing blocks 9 can be threadedly connected with the bolt 10 at the same time, the lower surface of the multiple groups of universal balls 3 fits exactly with the upper surface of the sliding plate 5, and the upper surface of the multiple groups of universal balls 2 13 fits exactly with the lower surface of the sliding plate 2 6.

[0025] The working principle of the utility model is as follows: before actual use, two external bolts can be used to pass through two groups of mounting holes 14 to connect with the external door, and then two external bolts can be used to pass through two groups of mounting holes 15 to connect with the external body; when actually used, the cylindrical connecting rod 2 passes through the sliding plate 15, the body part 4, the sliding plate 26, the connecting ring block 11 and the round through hole 7 opened on the inner side of the door part 12, and then the inner side of the positioning block 8 and the inner sides of the two groups of fixing blocks 9 are simultaneously threadedly connected by the bolt 10, and then the nut 16 is installed, so that the head of the bolt 10 fits one group of fixing blocks 9, and the nut 16 fits the other group of fixing blocks 9, and then the bolt 10 and the nut 16 are used, and then the reinforcing block 1 is pressed against the sliding plate 5 through multiple groups of universal balls 3, so that the entire hinge The chain structure can be stably connected together; when the body part 4 and the door part 12 need to be separated, the bolts 10 and the nuts 16 are removed, and the cylindrical connecting rod 2 is removed, so that the body part 4 and the door part 12 can be separated; when in use, the door part 12 can drive the sliding plate 5 to rotate on the lower surface of the multiple sets of universal balls 3, and at the same time, due to the flexible rolling characteristics of the universal balls 3, the sliding plate 5 can slide very flexibly, and the door part 12 can drive the sliding plate 2 6 to rotate on the upper surface of the multiple sets of universal balls 13, and at the same time, due to the flexible rolling characteristics of the universal balls 13, the sliding plate 2 6 can slide very flexibly, thereby making it difficult for the body part 4 and the door part 12 to be worn, and the body part 4 and the reinforcement block 1 are also not easy to wear.

[0026] It should be noted that the sliding plate 1 5 and the sliding plate 2 6 are both made of stainless steel, and the universal ball 1 3 and the universal ball 2 13 are both existing partial parts, refer to the universal ball in the anti-wear electric vehicle door hinge of the publication number CN217400629U.

[0027] The above content is a further detailed description of the utility model in combination with specific implementation methods. It cannot be determined that the specific implementation of the utility model is limited to these descriptions. For ordinary technicians in the technical field to which the utility model belongs, without departing from the concept of the utility model, they can also make several simple deductions or substitutions, which should be regarded as belonging to the scope of protection determined by the claims submitted for the utility model.

Claims

1. A hinge structure for a vehicle door, comprising a reinforcement block (1), characterized in that: The reinforcing block (1) is fixedly connected to a cylindrical connecting rod (2) at the middle position of the bottom, and a plurality of sets of universal balls (3) are installed around the lower surface of the reinforcing block (1). The cylindrical connecting rod (2) passes through the sliding plate (5), the vehicle body (4), the sliding plate (6), the connecting ring block (11) and a round through hole (7) provided on the inner side of the door (12). The bottom of the cylindrical connecting rod (2) is fixedly connected to a positioning block (8). The inner side of the positioning block (8) and the inner sides of the two sets of fixing blocks (9) are both threadedly connected with bolts (10). The two sets of fixing blocks (9) are fixedly connected to the bottom of the door (12).

2. The hinge structure of a vehicle door according to claim 1, characterized in that: The lower surfaces of the plurality of sets of universal balls (3) are fitted with the upper surface of the sliding plate (5); the plurality of sets of universal balls (3) are distributed in a circle with the cylindrical connecting rod (2) as the central axis and are installed at equal distances; the surfaces of the plurality of sets of universal balls (3) and the upper surface of the sliding plate (5) are coated with lubricating oil.

3. The hinge structure of a vehicle door according to claim 1, characterized in that: The bottom of the sliding plate 1 (5) is fixedly connected to the vehicle body (4), and the bottom of the vehicle body (4) is fixedly connected to the sliding plate 2 (6).

4. The hinge structure of a vehicle door according to claim 1, characterized in that: A plurality of sets of universal balls (13) are installed around the upper surface of the connecting ring block (11). The plurality of sets of universal balls (13) are distributed in a circle with the cylindrical connecting rod (2) as the central axis and are installed at equal distances. The upper surfaces of the plurality of sets of universal balls (13) are in contact with the lower surface of the sliding plate (6). The surfaces of the plurality of sets of universal balls (13) and the lower surface of the sliding plate (6) are both coated with lubricating oil.

5. The hinge structure of a vehicle door according to claim 1, characterized in that: The connecting ring block (11) is fixedly mounted on the top of the vehicle door portion (12).

6. The hinge structure of a vehicle door according to claim 1, characterized in that: The vehicle body portion (4) is provided with two groups of first mounting holes (14), and the vehicle door portion (12) is provided with two groups of second mounting holes (15).

7. The hinge structure of a vehicle door according to claim 1, characterized in that: The heads of the bolts (10) fit into one set of fixing blocks (9), the bolts (10) are threadedly connected to nuts (16), and the nuts (16) fit into another set of fixing blocks (9).

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