Hinge for vertical hinged door of automobile

Abstract

The utility model discloses an automobile vertical hinged door hinge which comprises an installation seat and an automobile door connecting piece which rotates on the installation seat in a relatively limited mode, and the automobile door connecting piece is provided with a connecting part which is coaxially and movably arranged on a pin shaft preset on the installation seat in a sleeved mode. At least one positioning pit which is embedded and matched with a telescopic positioning lug arranged on the peripheral surface of the pin shaft is formed in the connecting part; if the vehicle door connecting piece is driven to drive the connecting part to synchronously rotate relative to the pin shaft, when the positioning protruding block relatively slides to one positioning groove, the positioning protruding block and the positioning groove are embedded and limited, and when the positioning protruding block continues to relatively slide, the positioning protruding block retracts inwards to retreat from the positioning groove and avoid the inner wall of the connecting part. In this way, the multiple positioning pits are formed to limit the opening degrees of the multiple vehicle doors, and the multi-gear adjusting function of the opening degrees of the vehicle doors is achieved; and the telescopic positioning convex block is matched with the positioning pit, so that the wear rate of the rotating part of the hinge is effectively reduced, and the vehicle door can be smoothly opened and closed after being used for a long time.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile parts, in particular to an automobile flat-opening door hinge. Background Art

[0002] Automobile doors have various opening methods, such as flat-opening type, butterfly type, scissor type, etc. Among them, the most common is the flat-opening type. The opening and closing actions of the flat-opening automobile doors are all realized through door hinges. The door hinge includes a body part connected to the vehicle body and a door part connected to the door. The body part and the door part are rotationally connected through a pivot. However, on the one hand, due to the large impact force generated when the door is opened or closed, the rotating part of the hinge is easily worn and deformed and distorted, making it difficult for the door to maintain a smooth opening and closing action after long-term use; on the other hand, this connection method cannot realize the step-by-step and gradient opening of the door, and cannot meet the user's usage requirements. Summary of the Utility Model

[0003] The purpose of the utility model is to overcome the deficiencies of the prior art, and provide an automobile flat-opening door hinge, which realizes the multi-stage adjustment function of the door opening degree by setting multiple positioning concave pits to limit multiple door opening degrees, and improves the user experience; and through the cooperation of the retractable positioning convex block and the positioning concave pit, effectively reduces the rotational friction, reduces the wear rate of the rotating part of the hinge, and enables the door to maintain a smooth opening and closing action after long-term use.

[0004] In order to achieve the above purpose, an automobile flat-opening door hinge provided by the utility model includes a mounting seat and a door connecting piece that is rotationally restricted relative to the mounting seat. Among them, the door connecting piece is formed with a connecting part that is coaxially and movably sleeved on a preset pin shaft of the mounting seat, and the connecting part is formed with at least one positioning concave pit that is fitted and cooperated with a retractable positioning convex block provided on the circumferential surface of the pin shaft; if the door connecting piece is driven to drive the connecting part to rotate synchronously relative to the pin shaft, when the positioning convex block slides relatively to a positioning concave pit, it is engaged and limited with the positioning concave pit, and the positioning convex block retracts inward when continuing to slide relatively to withdraw from the positioning concave pit and avoid the inner wall of the connecting part.

[0005] Further, a first slideway and a second slideway are formed in the pin shaft along its length direction; wherein, a first sliding ball and a second sliding ball that can slide along their respective slideways are respectively arranged in the first slideway and the second slideway, and one end of the second slideway is connected to the first slideway and the other end extends through to the periphery of the pin shaft, so that when the first sliding ball and the second sliding ball are abutted, a part of the second sliding ball can extend out of the second slideway. At this time, the part of the second sliding ball extending out of the second slideway serves as the positioning convex block; a first spring is further arranged between the first slideway and the first sliding ball, and the first sliding ball always abuts against the second sliding ball under the elastic action of the first spring.

[0006] Further, a limiting stop block that abuts against and contacts the surface of the mounting seat is formed by protruding from the side of the connecting portion.

[0007] Further, a concave position that is adapted to and fits the shape of the limiting stop block is formed on the surface of the mounting seat.

[0008] Further, two positioning concave sockets that are circumferentially and annularly distributed are formed on the connecting portion.

[0009] Further, the mounting seat further includes a vehicle body connecting member, wherein a connecting sleeve for inserting and cooperating with the end portion of the pin shaft is formed on the vehicle body connecting member.

[0010] Further, a plurality of mounting hole pieces for the preset screws to pass through and connect are formed on both the mounting seat and the door connecting member.

[0011] By adopting the above scheme, the beneficial effects of the present utility model are as follows: the multi-stage adjustment function of the door opening degree is realized by setting a plurality of positioning concave sockets to limit a plurality of door opening degrees; through the cooperation of the retractable positioning convex block and the positioning concave socket and the two sliding balls, the impact generated when the door is opened or closed is effectively reduced, the rotational friction is reduced, the wear rate of the rotating part of the hinge is lowered, and the door can still maintain a smooth opening and closing action after long-term use; through the limiting function of the cooperation between the concave position and the limiting stop block at the limit position, it is prevented that the opening angle of the door is too large and collides with the vehicle body. Description of the Drawings

[0012] Figure 1 is a schematic structural diagram of the hinge of the flat-opening door of the vehicle of the present utility model.

[0013] Figure 2 is a schematic structural diagram of the hinge of the flat-opening door of the vehicle of the present utility model at an opening degree of 45°.

[0014] Figure 3 is a schematic diagram of the cooperation between the positioning convex block and the positioning concave socket of the hinge of the flat-opening door of the vehicle of the present utility model at an opening degree of 45°.

[0015] Figure 4 is a schematic structural diagram of the hinge of the flat-opening door of the vehicle of the present utility model at an opening degree of 65°.

[0016] Figure 5 is a schematic diagram of the cooperation between the positioning convex block and the positioning concave socket of the hinge of the flat-opening door of the vehicle of the present utility model at an opening degree of 65°.

[0017] Figure 6 is a schematic structural diagram of the hinge of the flat-opening door of the vehicle of the present utility model at an opening degree of 72°.

[0018] Figure 7 is an exploded view of the hinge of the flat-opening door of the vehicle of the present utility model.

[0019] Figure 8 This is a schematic structural view of the pin shaft in the present utility model.

[0020] Among them, 1 - mounting seat, 11 - pin shaft, 111 - positioning convex block, 112 - first slideway, 113 - second slideway, 12 - vehicle body connecting member, 121 - connecting sleeve, 13 - concave position, 2 - door connecting member, 21 - connecting portion, 211 - positioning concave socket, 212 - limiting stop block, 3 - first sliding ball, 4 - second sliding ball, 5 - first spring, 6 - mounting hole, 7 - bolt. Specific embodiments

[0021] For the convenience of understanding the present utility model, the present utility model will be described more comprehensively below with reference to the accompanying drawings. The preferred embodiments of the present utility model are given in the drawings. However, the present utility model can be implemented in many different forms and is not limited to the embodiments described herein. The purpose of providing these embodiments is to make the disclosure of the present utility model more thoroughly and comprehensively understood.

[0022] The implementation details of the technical solutions of the embodiments of the present utility model are elaborated in detail below: For the convenience of those skilled in the art to understand, in Figure 3 、 5 and 8, a partial perspective view with the hinge part structure hidden is used for illustration, and in Figure 3 、 5 and 8, the dotted lines indicate the perspective parts.

[0023] Referring to Figure 1 shown, a kind of automobile flat door hinge in this embodiment includes a mounting seat 1 and a door connecting member 2 that is rotationally restricted relative to the mounting seat 1. Specifically, the door connecting member 2 is coaxially and movably sleeved on a preset pin shaft 11 of the mounting seat 1 through its formed cylindrical connecting portion 21 to realize the rotational connection between the mounting seat 1 and the door connecting member 2, and the diameter of the end of the pin shaft 11 is slightly larger than or equal to the inner diameter of the connecting portion 21 to limit the position of the door connecting member 2 and prevent it from coming out, so that the mounting seat 1 and the door connecting member 2 are firmly connected; among them, a retractable positioning convex block 111 is provided on the circumferential surface of the pin shaft 11, and at least one positioning concave socket 211 for the positioning convex block 111 to be fitted is formed on the connecting portion 21. When opening or closing the door, the door connecting member 2 and the connecting portion 21 are driven to rotate synchronously relative to the pin shaft 11, so that the positioning convex block 111 slides relatively into a positioning concave socket 211 for fitting and limiting; at this time, if the door connecting member 2 and the connecting portion 21 are continuously driven to rotate relative to the pin shaft 11, the positioning convex block 111 touches the inner wall of the connecting portion 21 and retracts inward under the impact force generated by the touch, exiting the positioning concave socket 211 and avoiding the inner wall of the connecting portion 21.

[0024] Specifically, referring to the attached Figure 7 and 8 As shown, in this embodiment, the mounting base 1 includes a vehicle body connecting member 12 and a pin shaft 11; a hollow connecting sleeve 121 is formed on the vehicle body connecting member 12, the bottom end or the top end of the pin shaft 11 is inserted into the connecting sleeve 121, and a bolt 7 is preset to pass through the connecting sleeve 121 and the pin shaft 11 to stably connect the vehicle body connecting member 12 and the pin shaft 11.

[0025] More specifically, a first slideway 112 and a second slideway 113 extending along the length direction thereof are formed in the pin shaft 11; wherein, a first sliding ball 3 and a second sliding ball 4 capable of sliding along their respective slideways are respectively arranged in the first slideway 112 and the second slideway 113, and one end of the second slideway 113 is communicated with the first slideway 112 and the other end extends through to the periphery of the pin shaft 11, so that when the first sliding ball 3 and the second sliding ball 4 are in contact, a part of the second sliding ball 4 can extend out of the second slideway 113, and the part of the second sliding ball 4 extending out of the second slideway 113 at this time is used as a positioning convex block 111. Thus, by the cooperation of the two sliding balls, the frictional resistance is reduced, the stagnation feeling of the rotation of the connecting part 21 is reduced, the door connecting member 2 rotates relatively smoothly, and the door rotates more smoothly.

[0026] Furthermore, a first spring 5 is further arranged between the first slideway 112 and the first sliding ball 3 to maintain the abutting action between the first sliding ball 3 and the second sliding ball 4, so that a part of the second sliding ball 4 can maintain extending out of the second slideway 113 when not touched by the inner wall of the connecting part 21. Specifically, one end of the first spring 5 is connected to the port of the first slideway 112, and the other end is connected to the first sliding ball 3. Specifically, when the second sliding ball 4 is touched by the inner wall of the connecting part 21, it will retract into the second slideway 113 and push the first sliding ball 3, thereby pressing against the first spring 5; and when a part of the second sliding ball 4 slides to the positioning concave socket 211, the touching force of the inner wall of the connecting part 21 is reduced, and the first sliding ball 3 will push the second sliding ball 4 under the elastic force of the first spring 5 so that a part of the second sliding ball 4 (i.e., the positioning convex block 111) extends out of the second slideway 113 and abuts against the inner wall of the positioning concave socket 211 for limiting. And because both the positioning convex block 111 and the positioning concave socket 211 have a certain arc, the impact generated when the door is opened or closed is greatly reduced, and the damage is reduced.

[0027] Continue to refer to the attached Figure 1 As shown, the attached Figure 1 is a schematic structural diagram of the hinge when the door is in the closed state, and the attached Figure 1The direction indicated by the arrow is the door opening direction. When using this hinge, first fixedly connect the mounting seat 1 to the vehicle body (here, the mounting seat 1 can be fixedly connected to the vehicle body in any direction and position, and in this embodiment, for the convenience of those skilled in the art to observe, the mounting seat 1 is fixedly connected to the left side of the vehicle body), fixedly connect the door connecting member 2 to the door, and a plurality of mounting holes 6 for the preset screws to pass through and connect may be provided on both the mounting seat 1 and the door connecting member 2 to achieve the function of strengthening the connection. Refer to the appendix Figure 2 and 3 As shown, two circumferentially annularly distributed positioning recesses 211 are formed on the connecting portion 21 in this embodiment. Specifically, during the process of opening the door, the door connecting member 2 and the connecting portion 21 are driven to rotate around the pin shaft 11, so that the positioning protrusion 111 slides relatively and fits into the first positioning recess 211 for limiting (at this time, the hinge is at a 45° opening); at this time, the positioning protrusion 111 and the positioning recess 211 are in contact and hinder the rotation of the connecting portion 21, thereby limiting the door opening. Refer to the appendix Figure 4 and 5 As shown, if the door is further pushed to open, under the extrusion of the connecting portion 21, the positioning protrusion 111 will retract and slide out of the positioning recess 211 to release the limit, so that the connecting portion 21 continues to rotate around the pin shaft 11; then, when the positioning protrusion 111 slides relatively to the next positioning recess 211 and fits for limiting again (at this time, the hinge is at a 65° opening). It should be noted here that the number, position and spacing of the positioning recesses 211 are set corresponding to the door opening requirements and are not unique; however, the larger the spacing between two adjacent positioning recesses 211, the larger the door opening span corresponding to it. Thus, by setting a plurality of positioning recesses 211, the limitation of multiple door openings is realized, and the multi-stage adjustment function of the door opening is realized; and there is a certain sense of gear when the door rotates, improving the user experience.

[0028] Furthermore, refer to the appendix Figure 6As shown in the figure, to prevent the door from opening at an excessive angle and interfering with the vehicle body, resulting in the vehicle body being scratched, collided with, or damaged; in this embodiment, a limiting block 212 that protrudes from the side of the connecting portion 21 and abuts against the surface of the mounting seat 1 is formed as a limiting structure at the limit position; among them, the position of the limiting block 212 is set according to the maximum opening angle of the door required for actual production. If the door is further pushed to open, under the extrusion of the connecting portion 21, the positioning convex block 111 retracts and slides out of the positioning concave 211 again to release the limit; then, when the door is opened to the limit opening angle (the maximum opening angle of the door is set to 72° in this embodiment), the limiting block 212 will abut against the surface of the mounting seat 1, causing the connecting portion 21 and the door connecting member 2 to be blocked from further rotating, and the door cannot be opened further, thereby restricting the position of the door and effectively avoiding interference and collision with the vehicle body. Further, a concave portion 13 that is adapted to the shape of the limiting block 212 is formed on the surface of the mounting seat 1, that is, the shape of the concave portion 13 is the same as or coincides with the shape of the limiting block 212, so that the concave portion 13 and the limiting block 212 are closely fitted, achieving a better stop and limit effect while reducing the impact force on the limiting block 212 and reducing the probability of damage.

[0029] The above-described embodiments are only the preferred embodiments of the present invention, and do not impose any form of limitation on the present invention. Any person skilled in the art, without departing from the scope of the technical solution of the present invention, makes more possible changes and modifications to the technical solution of the present invention by using the disclosed technical content, or the modifications are equivalent embodiments of the present invention. Therefore, all equivalent changes made according to the idea of the present invention without departing from the content of the technical solution of the present invention shall be covered by the protection scope of the present invention.

Claims

1. A car swing door hinge, characterized in that: The invention comprises a mounting seat (1) and a vehicle door connecting member (2) which is relatively limited in rotation with respect to the mounting seat (1), wherein the vehicle door connecting member (2) is formed with a connecting portion (21) which is coaxially movably sleeved on a pin shaft (11) preset on the mounting seat (1), and the connecting portion (21) is formed with at least one positioning recess (211) which is embedded and matched with a retractable positioning protrusion (111) provided on the circumference of the pin shaft (11); when the vehicle door connecting member (2) is driven to drive the connecting portion (21) to rotate synchronously with respect to the pin shaft (11), when the positioning protrusion (111) slides relatively to a positioning recess (211), it is embedded and limited with the positioning recess (211), and when the positioning protrusion (111) continues to slide relatively, it retracts inwardly to exit the positioning recess (211) and avoid the inner wall of the connecting portion (21).

2. The automobile flat door hinge according to claim 1, characterized in that: The pin shaft (11) is formed with a first slideway (112) and a second slideway (113) extending along its length direction; wherein the first slideway (112) and the second slideway (113) are respectively provided with a first slide ball (3) and a second slide ball (4) which can slide along their respective slideways, and one end of the second slideway (113) is connected to the first slideway (112) and the other end extends through the outer periphery of the pin shaft (11), so that when the first slide ball (3) and the second slide ball (4) are in contact, the second slide ball (4) can partially extend out of the second slideway (113), and at this time, the part of the second slide ball (4) extending out of the second slideway (113) serves as a positioning protrusion (111); a first spring (5) is also provided between the first slideway (112) and the first slide ball (3), and the first slide ball (3) always contacts the second slide ball (4) under the elastic force of the first spring (5).

3. The automobile flat door hinge according to claim 1, characterized in that: A stop block (212) is formed protruding from the side of the connection portion (21) and is configured to stop and contact the surface of the mounting seat (1).

4. The automobile flat door hinge according to claim 3, characterized in that: The surface of the mounting seat (1) is formed with a recessed position (13) that matches the shape of the limit stopper (212).

5. The automobile flat door hinge according to claim 1, characterized in that: The connecting portion (21) is formed with two positioning recesses (211) distributed in a circumferential annular shape.

6. The automobile flat door hinge according to claim 1, characterized in that: The mounting seat (1) further comprises a vehicle body connecting piece (12), wherein the vehicle body connecting piece (12) is formed with a connecting sleeve (121) for plugging and mating with the end of the pin shaft (11).

7. The automobile flat door hinge according to claim 1, characterized in that: The mounting seat (1) and the vehicle door connecting piece (2) are both provided with a plurality of mounting holes (6) for preset screws to pass through and connect.

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