Rotatable middle hinge structure of automobile sliding door

Abstract

The utility model relates to an automobile part, in particular to a rotatable middle hinge structure of an automobile sliding door. Comprising a middle hinge, one end of the middle hinge is used for being connected with a vehicle door support, the other end of the middle hinge is in sliding fit with a middle guide rail through a guide wheel assembly and a bearing wheel assembly, the middle hinge further comprises a rotating support plate, the rotating support plate is rotationally connected with the middle hinge, and the bearing wheel assembly is arranged on the rotating support plate. According to the rotatable middle hinge structure of the automobile sliding door, the problem of abnormal sliding sound of the bearing wheel can be solved, and the stress of the bearing wheel can be reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of parts of automobile, specifically to a kind of rotatable middle hinge structure of automobile sliding door. BACKGROUND

[0002] With the passage of time, the development speed of society is changing rapidly. Cars have also become an indispensable means of transport for people, and as development progresses, consumers are paying more attention to the quality of cars, especially the quality of high-end business cars.

[0003] The main form of the common MPV in the market is a three-point structure, i.e., an upper, middle, and lower hinge guide rail structure. This fixed installation form results in a relatively single design, especially under the impact of today's new energy vehicle design. It is difficult for traditional MPVs to make breakthroughs in design. After the upper guide rail is removed, the load-bearing wheels of the middle hinge will increase in load, which can cause abnormal sliding of the load-bearing wheels, resulting in unstable sliding door structure and smooth sliding. INVENTION CONTENTS

[0004] The utility model intends to solve the abnormal sliding noise of the middle hinge load-bearing wheel when the upper hinge structure is removed, thereby providing a rotatable middle hinge structure for a sliding door of an automobile.

[0005] The rotatable middle hinge structure for a sliding door of an automobile in the present scheme includes a middle hinge, which is connected to a door support at one end. The other end of the middle hinge is connected to a middle guide rail through a guide wheel assembly and a load-bearing wheel assembly. The structure further includes a rotating support plate, which is connected to the middle hinge. The load-bearing wheel assembly is provided on the rotating support plate.

[0006] Further, the guide wheel assembly is also provided on the rotating support plate.

[0007] Further, the middle hinge includes a connecting plate and a bearing support provided at one end of the connecting plate. The other end of the connecting plate is provided with a vertical mounting plate. The bottom of the mounting plate is fixedly connected to the connecting plate. The middle part of the plate surface of the rotating support plate is hingedly connected to the mounting plate. The top of the rotating support plate is fixedly provided with a guide wheel mounting table. The guide wheel assembly is provided on the guide wheel mounting table.

[0008] Further, the bottom of one side of the rotating support plate is also fixedly provided with a pull wire connecting plate.

[0009] Further, the connecting plate and the mounting plate are integrally connected. The rotating support plate and the guide wheel mounting table are integrally connected.

[0010] Further, the rotating support plate and the pull wire connecting plate are integrally connected.

[0011] Further, the middle hinge comprises a connecting plate and a bearing support arranged at one end of the connecting plate, a vertical mounting plate is arranged at the other end of the connecting plate, the bottom of the mounting plate is fixedly connected with the connecting plate, a guide wheel mounting table is fixedly arranged at the top of the mounting plate, the guide wheel assembly is arranged on the guide wheel mounting table, and the plate surface of the rotating support plate is hingedly connected to the mounting plate.

[0012] Further, the connecting plate and the mounting plate are integrally formed; and the guide wheel mounting table and the mounting plate are integrally formed.

[0013] Further, the guide wheel assembly comprises at least two guide wheels, and the load bearing wheel assembly comprises at least two load bearing wheels; the guide wheels are horizontally arranged on the guide wheel mounting table, and the load bearing wheels are vertically arranged on the plate surface of the rotating support plate.

[0014] Further, the number of the guide wheels is two, and the number of the load bearing wheels is two.

[0015] The middle guide rail is not a straight guide rail, so that the track of the middle hinge is a curved path during the sliding process of the door, the rotating support plate is arranged, the load bearing wheels can rotate along the curved path, the vertical direction is finely adjusted, the curved change of the middle guide rail is adapted, the load bearing wheels roll more smoothly, and the door slides more stably and smoothly. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 Fig. 1 is a structural schematic view of a first embodiment of the middle hinge structure of the sliding door of the automobile according to the present application;

[0017] Figure 2 Fig. 2 is a structural schematic view of a second embodiment of the middle hinge structure of the sliding door of the automobile according to the present application.

[0018] The reference signs in the drawings include: middle hinge 100, connecting plate 101, bearing support 102, mounting plate 103; door support 110; rotating support plate 120, guide wheel mounting table 121, stay connecting plate 122, guide wheel 130, load bearing wheel 140; DETAILED DESCRIPTION

[0019] The present application will be further described in detail below in combination with the drawings and specific embodiments:

[0020] Embodiment 1

[0021] As Figure 1As shown, a rotatable central hinge structure for a car sliding door includes a central hinge 100. One end of the central hinge 100 is used to connect to a door bracket 110, and the other end of the central hinge 100 is slidably engaged with a central guide rail via a guide wheel assembly and a load-bearing wheel assembly. It also includes a rotating support plate 120, which is rotatably hinged to the central hinge 100. The load-bearing wheel assembly is mounted on the rotating support plate 120. The guide wheel assembly is also mounted on the rotating support plate 120.

[0022] In this embodiment, the central hinge 100 includes a connecting plate 101 and a bearing bracket 102 disposed at one end of the connecting plate 101. The bearing bracket 102 is hinged to the door bracket 110.

[0023] Specifically, a vertical mounting plate 103 is provided at the other end of the connecting plate 101. The bottom of the mounting plate 103 is fixedly connected to the connecting plate 101. The middle part of the rotating bracket plate 120 is hinged to the mounting plate 103. A guide wheel mounting platform 121 is fixedly provided at the top of the rotating bracket plate 120. The guide wheel assembly is located on the guide wheel mounting platform 121.

[0024] The guide wheel assembly includes at least two guide wheels 130, and the load-bearing wheel assembly includes at least two load-bearing wheels 140. The guide wheels 130 are horizontally rotatable on the guide wheel mounting platform 121, and the load-bearing wheels 140 are vertically rotatable on the surface of the rotating support plate 120. Preferably, in this embodiment, there are two guide wheels 130 and two load-bearing wheels 140. Providing multiple load-bearing wheels can distribute the load.

[0025] As a further improvement to this embodiment, a pull wire connecting plate 122 is also fixedly provided at the bottom of one side of the rotating support plate 120. The rotating support plate 120 and the pull wire connecting plate 122 are integrally formed and connected.

[0026] As a further improvement of this embodiment, the connecting plate 101 and the mounting plate 103 are integrally formed and connected; the rotating bracket plate 120 and the guide wheel mounting platform 121 are integrally formed and connected.

[0027] Example 2

[0028] like Figure 2 As shown, a rotatable central hinge structure for a car sliding door includes a central hinge 100. One end of the central hinge 100 is used to connect to a door bracket 110, and the other end of the central hinge 100 is slidably engaged with a central guide rail via a guide wheel assembly and a load-bearing wheel assembly. It also includes a rotating support plate 120, which is rotatably hinged to the central hinge 100, and the load-bearing wheel assembly is mounted on the rotating support plate 120.

[0029] In the embodiment, the hinge 100 comprises a connecting plate 101 and a bearing support 102 arranged at one end of the connecting plate 101, and a vertical mounting plate 103 is arranged at the other end of the connecting plate 101, and the bottom of the mounting plate 103 is fixedly connected to the connecting plate 101.

[0030] A guide wheel mounting table 121 is fixedly arranged at the top of the mounting plate 103, a guide wheel assembly is arranged on the guide wheel mounting table 121, and the middle part of the plate surface of the rotating support plate 120 is hingedly connected to the mounting plate 103.

[0031] Specifically, the guide wheel assembly comprises at least two guide wheels 130, and the load wheel assembly comprises at least two load wheels 140, the guide wheels 130 are horizontally arranged on the guide wheel mounting table 121, and the load wheels 140 are vertically arranged on the plate surface of the rotating support plate 120.

[0032] As a further improvement of the embodiment, the connecting plate 101 and the mounting plate 103 are integrally connected, and the guide wheel mounting table 121 and the mounting plate 103 are integrally connected.

[0033] The above is only an embodiment of the utility model, and the well-known specific structure and characteristics in the scheme are not described in detail. It should be pointed out that for those skilled in the art, without departing from the structure of the utility model, a number of modifications and improvements can be made, which should also be considered as the protection range of the utility model, and these will not affect the effect and practicality of the utility model.

Claims

1. A rotatable central hinge structure for a car sliding door, comprising a central hinge (100), one end of which is used to connect to a door bracket (110), and the other end of which slides in cooperation with a central guide rail via a guide wheel assembly and a load-bearing wheel assembly, characterized in that: It also includes a rotating support plate (120), which is rotatably connected to the central hinge (100), and the load-bearing wheel assembly is disposed on the rotating support plate (120).

2. The rotatable hinge structure for a car sliding door according to claim 1, characterized in that: The guide wheel assembly is also located on the rotating support plate (120).

3. The rotatable hinge structure for a car sliding door according to claim 2, characterized in that: The hinge (100) includes a connecting plate (101) and a bearing bracket (102) located at one end of the connecting plate (101). A vertical mounting plate (103) is provided at the other end of the connecting plate (101). The bottom of the mounting plate (103) is fixedly connected to the connecting plate (101). The middle part of the rotating support plate (120) is hinged to the mounting plate (103). A guide wheel mounting platform (121) is fixedly provided at the top of the rotating support plate (120). The guide wheel assembly is located on the guide wheel mounting platform (121).

4. The rotatable hinge structure for a car sliding door according to claim 3, characterized in that: A pull wire connecting plate (122) is also fixedly provided at the bottom of one side of the rotating support plate (120).

5. The rotatable hinge structure for a car sliding door according to claim 3, characterized in that: The connecting plate (101) and the mounting plate (103) are integrally formed and connected; the rotating bracket plate (120) and the guide wheel mounting platform (121) are integrally formed and connected.

6. The rotatable hinge structure for a sliding car door according to claim 4, characterized in that: The rotating support plate (120) and the pull wire connecting plate (122) are integrally formed and connected.

7. The rotatable hinge structure for a car sliding door according to claim 1, characterized in that: The hinge (100) includes a connecting plate (101) and a bearing bracket (102) located at one end of the connecting plate (101). A vertical mounting plate (103) is provided at the other end of the connecting plate (101). The bottom of the mounting plate (103) is fixedly connected to the connecting plate (101). A guide wheel mounting platform (121) is fixedly provided at the top of the mounting plate (103). The guide wheel assembly is located on the guide wheel mounting platform (121). The middle part of the rotating bracket plate (120) is hinged to the mounting plate (103).

8. The rotatable hinge structure for a sliding car door according to claim 7, characterized in that: The connecting plate (101) and the mounting plate (103) are integrally formed and connected; the guide wheel mounting platform (121) and the mounting plate (103) are integrally formed and connected.

9. A rotatable hinge structure for an automobile sliding door according to claim 3 or 7, characterized in that: The guide wheel assembly includes at least two guide wheels (130), and the load-bearing wheel assembly includes at least two load-bearing wheels (140). The guide wheels (130) are horizontally rotatably mounted on the guide wheel mounting platform (121), and the load-bearing wheels (140) are vertically rotatably mounted on the surface of the rotating support plate (120).

10. The rotatable hinge structure for a sliding car door according to claim 9, characterized in that: There are two guide wheels (130) and two load-bearing wheels (140).

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