Completely-hidden gooseneck hinge structure of container door
By designing a fully hidden gooseneck hinge structure on the cargo box door, using the four-link mechanism and the articulated swing arm, the problem of vulnerability to damage of the existing hinge structure is solved, and the stable opening and closing of the door and the aesthetics are improved.
Patent Information
- Application Number
- CN202420724669.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-09
- Publication Date
- 2024-12-24
- Estimated Expiration
- 2034-04-09
AI Technical Summary
The hinge structure of the existing cargo box door is exposed and is susceptible to rust, corrosion and bump damage, with low aesthetics and frequent maintenance.
A fully hidden gooseneck hinge structure of cargo box door is designed. By setting up articulated seats on the inside of the cargo box and the inside of the door, and using a four-link mechanism and an articulated swing arm, the door is avoided and stable opening and closing when opening. Avoid exposure and reduce rust and bumps.
The fully hidden design of the door is realized, reducing rust, corrosion and bump damage, improving aesthetics, and the door is opened and closed stably and quickly through the four-link mechanism, avoiding direct contact with the cargo box.
Smart Images
Figure CN222228305U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of hinges, in particular to a fully concealed gooseneck hinge structure for a cargo box door. Background Art
[0002] Light trucks refer to N2-type vehicles with a maximum design gross mass of no more than 4.5 tons among N-type trucks in the vehicle classification. They can be divided into light flatbed trucks, light box trucks, light dump trucks, light special trucks, etc. according to the chassis form. Among them, light box trucks use closed cargo boxes to transport various types of goods. Doors are opened on the cargo boxes to facilitate cargo loading and unloading. The doors are installed on the cargo boxes in a hinged manner. At present, the hinge structure of the cargo box door is exposed, which has a low aesthetics. The hinge structure is exposed to the outside and is greatly affected by rust, corrosion, bumps and damages, and requires frequent maintenance and care. The inventor is committed to the research of fully hidden hinge structures in order to solve the above problems, and the invention is born from this. Utility Model Content
[0003] The technical problem to be solved by the utility model is to provide a fully hidden gooseneck hinge structure for a cargo box door, which is beneficial to reducing rust, corrosion and damage caused by bumps and collisions, and is beneficial to improving the aesthetics, and is quick and stable to open and close.
[0004] In order to solve the above technical problems, the technical solution of the utility model is: a fully hidden gooseneck hinge structure for the cargo box door, including a box side hinge seat fixedly arranged on the cargo box and a door side hinge seat fixedly arranged on the door, the box side hinge seat is arranged on the inner wall of the cargo box, and the door side hinge seat is arranged on the inner wall of the door and close to the middle of the door; two articulated swing arms are hingedly connected between the box side hinge seat and the door side hinge seat, and the box side hinge seat, the door side hinge seat and the two articulated swing arms constitute a four-bar linkage; the two articulated swing arms are respectively provided with a box avoidance section for avoiding the cargo box when the door is opened.
[0005] As a preferred technical solution, the articulated swing arm includes an outward swing extension section hingedly connected to the box side hinge seat, the box body avoidance section is fixedly arranged on the free end of the outward swing extension section and bent toward the vehicle door, and the free end of the box body avoidance section is fixedly provided with a lateral displacement extension section bent toward the vehicle door and hingedly connected to the door side hinge seat.
[0006] As a preferred technical solution, the box-side hinged seat is provided with outward swing avoidance spaces corresponding to the outward swing extension sections on the two hinged swing arms.
[0007] As a preferred technical solution, the four-bar linkage is a parallelogram mechanism.
[0008] Due to the adoption of the above technical solution, the fully hidden gooseneck hinge structure of the cargo box door includes a box-side hinge seat fixedly arranged on the cargo box and a door-side hinge seat fixedly arranged on the door, wherein the box-side hinge seat is arranged on the inner side wall of the cargo box, and the door-side hinge seat is arranged on the inner side wall of the door and is arranged near the middle of the door; two hinged swing arms are hingedly connected between the box-side hinge seat and the door-side hinge seat, and the box-side hinge seat, the door-side hinge seat and the two hinged swing arms constitute a four-bar linkage; the two hinged swing arms are respectively provided with a box avoidance section for avoiding the cargo box when the door is opened. When the door is closed, the utility model is completely in the cargo box, which is conducive to reducing rust, corrosion and bump damage, and is conducive to improving the aesthetics. In the process of opening and closing the door, the above four-bar linkage is used to limit the posture of the door at any opening angle, the opening and closing process is stable, and the opening or closing operation can be completed in one time, and the opening and closing is fast. The door side hinge seat is arranged in the middle of the vehicle door, and the lateral displacement is large after the vehicle door is fully opened, which is beneficial for avoiding the door position and facilitating loading and unloading operations, while not being too far away from the cargo box, and occupying little space after opening. BRIEF DESCRIPTION OF THE DRAWINGS
[0009] The following drawings are only intended to illustrate and explain the present invention, and do not limit the scope of the present invention.
[0010] Figure 1 It is a three-dimensional structural schematic diagram of an embodiment of the utility model;
[0011] Figure 2 It is a schematic cross-sectional view of the structure of the embodiment of the utility model when the vehicle door is closed;
[0012] Figure 3 yes Figure 2 State diagram of the door when it is fully opened;
[0013] Figure 4 is a schematic cross-sectional view of the structure when the embodiment of the utility model is applied to a tailgate;
[0014] Figure 5 yes Figure 4 State diagram of the door when it is opened at a certain angle;
[0015] Figure 6 yes Figure 4 The state diagram after the car door is fully opened.
[0016] In the figure: 1-cargo box; 11-cargo door; 2-box side hinged seat; 21-outward swing avoidance space; 3-door side hinged seat; 4-articulated swing arm; 41-outward swing extension section; 42-box body avoidance section; 43-side shift extension section. DETAILED DESCRIPTION
[0017] The present invention is further described below in conjunction with the accompanying drawings and examples. In the following detailed description, exemplary embodiments of the present invention are described only by way of illustration. It is undoubted that one of ordinary skill in the art will recognize that the described embodiments may be modified in various ways without departing from the spirit and scope of the present invention. Therefore, the drawings and descriptions are illustrative in nature and are not intended to limit the scope of protection of the claims.
[0018] like Figure 1 , Figure 2 and Figure 3 As shown together, the fully hidden gooseneck hinge structure of the cargo box door includes a box-side hinge seat 2 fixedly arranged on the cargo box 1 and a door-side hinge seat 3 fixedly arranged on the door 11. The box-side hinge seat 2 is arranged on the inner side wall of the cargo box 1, and the door-side hinge seat 3 is arranged on the inner side wall of the door 11 and close to the middle of the door 11; two hinged swing arms 4 are hingedly connected between the box-side hinge seat 2 and the door-side hinge seat 3. Therefore, when the door 11 is closed, all structures of this embodiment are inside the cargo box 1 and are not exposed.
[0019] The box-side hinge seat 2, the door-side hinge seat 3 and the two hinged swing arms 4 form a four-bar linkage. This four-bar linkage restricts the posture of the door 11 at any opening angle during the opening and closing process, and the door 11 is stable in opening and closing. Preferably, the four-bar linkage is a parallelogram mechanism. Therefore, the door 11 is opened and closed in a posture parallel to that when closed at any opening angle, and since the door 11 is coplanar with the corresponding side wall of the cargo box 1 when closed, the door 11 is parallel to the side wall of the cargo box 1 at any opening angle, and will not collide with the cargo box 1 during the entire opening and closing process.
[0020] The two articulated swing arms 4 are respectively provided with box avoidance sections 42 for avoiding the cargo box 1 when the vehicle door 11 is opened. The arrangement of the box avoidance sections 42 enables the articulated swing arms 4 to achieve a larger outward swing angle, thereby facilitating a larger opening degree of the vehicle door 11. This is matched with the arrangement of the door-side articulated seat 3 in the middle of the vehicle door 11, so that the vehicle door 11 can easily avoid the door position after it is fully opened, and will not be too far away from the cargo box 1.
[0021] The articulated swing arm 4 in this embodiment includes an outward swing extension section 41 hingedly connected to the box side articulated seat 2, and the box body avoidance section 42 is fixedly arranged on the free end of the outward swing extension section 41 and bent toward the vehicle door 11. The outward swing extension section 41 enables the box body avoidance section 42 to be located as far away from the side wall of the cargo box 1 as possible, so as to avoid the box body avoidance section 42 from interfering with the side wall of the cargo box 1 too early during the outward swing process, thereby facilitating increasing the opening degree of the vehicle door 11.
[0022] Preferably, the box-side articulated seat 2 is provided with an outward swing avoidance space 21 corresponding to the outward swing extension sections 41 on the two articulated swing arms 4, so that the outward swing extension sections 41 can further increase the outward swing angle and increase the opening degree of the door 11. The outward swing avoidance space 21 can be generated by increasing the height of the articulated ear plate of the articulated swing arm 4 on the box-side articulated seat 2, etc. This is easily obtained by those skilled in the art in combination with existing technical means and will not be repeated here.
[0023] A lateral displacement extension section 43 is fixedly provided on the free end of the box avoidance section 42, which is bent toward the vehicle door 11 and hingedly connected to the door-side hinge seat 3. The lateral displacement extension section 43 enables the vehicle door 11 to generate a larger displacement to the side of the doorway after opening, thereby further facilitating the vehicle door 11 to avoid the doorway position.
[0024] In the process of opening and closing the vehicle door 11 of this embodiment, the four-bar linkage composed of the box-side hinge seat 2, the door-side hinge seat 3 and the two hinged swing arms 4 restricts the posture of the vehicle door 11 at any opening angle, and the opening and closing process is stable. The box-side hinge seat 2 and the door-side hinge seat 3 are both fixedly installed, and the opening and closing operation can be completed at one time, and the opening and closing is fast. The door-side hinge seat 3 is arranged in the middle of the vehicle door 11, and the lateral displacement of the vehicle door 11 is large after it is fully opened, which is conducive to avoiding the door position and facilitating loading and unloading operations, and it will not be too far away from the cargo box 1, and the space occupied after opening is small. In this embodiment, the lateral displacement extension section 43 is added to the hinged swing arm 4, so that the vehicle door 11 forms a larger lateral displacement after it is fully opened, and the distance from the cargo box 1 is further reduced. In this embodiment, the four-bar linkage is optimized into a parallelogram mechanism, so that no matter at any opening angle of the vehicle door 11, there will be no collision with the cargo box 1. Based on this, the present embodiment is more suitable for the hinged use at the side door of the cargo box 1. After the door 11 is opened, it forms an opening angle of 180° compared with the existing externally hinged flip-opening door 11. When the door 11 is closed, the present embodiment is completely inside the cargo box 1, which is conducive to reducing rust, corrosion and bump damage, and is conducive to improving the appearance.
[0025] In addition to the above-mentioned implementation manner, this embodiment can also be applied to the tailgate of the cargo box 1. Figure 4 , Figure 5 and Figure 6As shown, the door side hinge seat 3 is still arranged near the middle of the vehicle door 11, and the four-bar linkage mechanism composed of the box side hinge seat 2, the door side hinge seat 3 and the two hinged swing arms 4 is arranged as a double rocker mechanism, so that the vehicle door 11 can change its angle with the posture when closed during the opening process, and finally the vehicle door 11 opens to the side of the cargo box 1, which is equivalent to forming an opening angle of about 270°. The opening process is also stable, and the opening and closing are fast. After opening, the rear opening of the cargo box 1 is also less blocked. When the vehicle door is closed, it is also in the cargo box 1, which is conducive to reducing rust, corrosion and bump damage, and is conducive to improving the aesthetics. Among them, the double rocker mechanism can be set by increasing the length of one of the hinged swing arms 4 and the center distance of the hinge axis of the two hinged swing arms 4 on the door side hinge seat 3, etc. This is what a technician in this field can get based on the basic design knowledge of the four-bar linkage and the schematic diagram of the attached figure, and it will not be repeated here.
[0026] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.
Claims
1. The fully concealed gooseneck hinge structure of the cargo box door comprises a box-side hinge seat fixedly arranged on the cargo box and a door-side hinge seat fixedly arranged on the door, and is characterized in that: The box-side hinged seat is arranged on the inner wall of the cargo box, and the door-side hinged seat is arranged on the inner wall of the vehicle door and close to the middle of the vehicle door; two hinged swing arms are hingedly connected between the box-side hinged seat and the door-side hinged seat, and the box-side hinged seat, the door-side hinged seat and the two hinged swing arms constitute a four-bar mechanism; the two hinged swing arms are respectively provided with box avoidance sections for avoiding the cargo box when the vehicle door is opened.
2. The fully concealed gooseneck hinge structure for a cargo box door as claimed in claim 1, characterized in that: The articulated swing arm includes an outward swing extension section hingedly connected to the box side hinge seat, the box body avoidance section is fixedly arranged on the free end of the outward swing extension section and is bent toward the vehicle door, and the free end of the box body avoidance section is fixedly provided with a lateral displacement extension section which is bent toward the vehicle door and is hingedly connected to the door side hinge seat.
3. The fully concealed gooseneck hinge structure for a cargo box door as claimed in claim 2, characterized in that: The box side hinged seat is provided with outward swing avoidance spaces corresponding to the outward swing extension sections on the two hinged swing arms.
4. The fully concealed gooseneck hinge structure for a cargo box door as claimed in claim 1, characterized in that: The four-bar linkage is a parallelogram mechanism.