U-shaped rod cabin door translation mechanism

Abstract

The invention relates to a U-shaped rod cabin door translation mechanism, and belongs to the technical field of passenger cars, the U-shaped rod cabin door translation mechanism comprises a cabin door, a cabin body and a translation mechanism connecting the cabin door and the cabin body, the translation mechanism comprises an upper U-shaped rod, a lower U-shaped rod and two fixed bases, and the two ends of the upper U-shaped rod are hinged to the tops of the fixed bases on the two sides respectively; the two ends of the lower U-shaped rod are hinged to the bottoms of the fixed bases on the two sides respectively, the connecting positions of the upper U-shaped rod and the lower U-shaped rod on the fixed bases are located on a vertical straight line, the lower U-shaped rod is located under the upper U-shaped rod, the fixed bases on the two sides are fixedly installed on a cabin body, and the upper U-shaped rod and the lower U-shaped rod are both fixedly connected with a cabin door. Four connecting rods on the two sides of an original cabin door are combined into two U-shaped rods, and the swing arm strength of the translation mechanism and the movement synchronism of the two sides of the cabin door are greatly improved; the two U-shaped rods are connected with the cabin door through the rod fixing seats, transverse support is indirectly provided for the cabin door, the cabin door structure is enhanced, and the translation mechanism is simple in structure and convenient to install.

Description

Technical Field

[0001] The present invention relates to the technical field of passenger cars, and particularly to a U-shaped rod hatch translation mechanism. Background Art

[0002] The existing translation mechanism of the manual swing-out pull rod type luggage hatch on passenger cars mainly realizes the opening and closing process of the hatch through a simple planar four-bar linkage mechanism, that is, it is connected by hinging the upper swing arm, the lower connecting rod with the fixed supports of the hatch body and the fixed supports of the hatch door. The disadvantages of this translation mechanism are complex structure and low mechanical strength. The connection between the translation mechanism and the hatch door depends on the hinging of four fixed supports on both sides of the hatch door, which greatly increases the installation difficulty of the translation mechanism and it is also difficult to ensure the synchronism of the movement on both sides of the hatch door. Therefore, in order to simplify the structure of the translation mechanism and enhance the mechanical strength of the mechanism, it is urgent to propose a design scheme of a translation mechanism with simple structure and high mechanical strength. Summary of the Invention

[0003] The purpose of the present invention is to provide a U-shaped rod hatch translation mechanism to solve the problems proposed in the above background art.

[0004] To achieve the above purpose, the present invention provides the following technical solutions: A U-shaped rod hatch translation mechanism includes a hatch door, a hatch body, and a translation mechanism connecting the hatch door and the hatch body. The translation mechanism includes an upper U-shaped rod, a lower U-shaped rod, and two fixed bases. The two ends of the upper U-shaped rod are respectively hinged to the tops of the two fixed bases on both sides, and the two ends of the lower U-shaped rod are respectively hinged to the bottoms of the two fixed bases on both sides. The connection positions of the upper U-shaped rod and the lower U-shaped rod on the fixed bases are located on a vertical straight line. The lower U-shaped rod is directly below the upper U-shaped rod. The two fixed bases on both sides are fixedly installed on the hatch body, and both the upper U-shaped rod and the lower U-shaped rod are fixedly connected to the hatch door.

[0005] Preferably, both the upper U-shaped rod and the lower U-shaped rod include two side arm rods and a cross bar connecting the two side arm rods. There are arc-shaped bending structures on both side arm rods. The bending angle of the bending structures on the two side arm rods of the upper U-shaped rod is greater than the bending angle of the bending structures on the two side arm rods of the lower U-shaped rod.

[0006] Preferably, the translation mechanism further includes two gas springs. One end of each of the two gas springs is hinged to the two side arm rods of the upper U-shaped rod through a connecting member, and the other end is hinged to the top of the hatch body through a connecting member.

[0007] Preferably, a limiting device is installed on the top of the fixed base. The limiting device includes a rubber shock-absorbing bolt, and the rubber shock-absorbing bolt is installed on the top of the fixed base through nut adjustment. When the hatch door is opened, the rubber part of the rubber shock-absorbing bolt is in contact connection with the two side arm rods of the upper U-shaped rod.

[0008] Preferably, rod fixing seats and limit pipe clamps are fixedly installed on the cross bars of the upper U-shaped rod and the lower U-shaped rod. The rod fixing seats are located on one side of the limit pipe clamps. The upper U-shaped rod and the lower U-shaped rod are fixedly connected to the cabin door through the rod fixing seats.

[0009] Preferably, sleeves are detachably connected to both ends of the upper U-shaped rod and the lower U-shaped rod. A plug post is vertically connected to the side wall of the sleeve. A screw hole is formed in the plug post. A ball head plunger is threadedly connected in the screw hole. A thread matching the screw hole is provided on the outer wall of the ball head plunger. Both ends of the upper U-shaped rod and the lower U-shaped rod are of a hollow pipe structure and fixing holes are formed in the side walls. The fixing holes match the ball head size of the ball head plunger. The plug post is inserted into both ends of the upper U-shaped rod and the lower U-shaped rod and is clamped with the fixing holes through the ball head plunger, realizing the detachable connection between the sleeve and the upper U-shaped rod and the lower U-shaped rod.

[0010] Preferably, internal hexagon socket head cap screws are fixedly installed on the top and bottom of the fixed base. The sleeve is rotatably sleeved on the internal hexagon socket head cap screws. The upper U-shaped rod and the lower U-shaped rod are respectively hinged to the top and bottom of the fixed base through the sleeves.

[0011] Preferably, an external hexagon bolt is fixedly connected to the fixed base. The fixed base is fixedly installed on the cabin body through the external hexagon bolt.

[0012] Compared with the prior art, the beneficial effects of the present invention are as follows: 1. In the present invention, the four connecting rods on both sides of the original cabin door are combined into two U-shaped rods, greatly improving the swing arm strength of the translation mechanism and the synchronism of the movement on both sides of the cabin door.

[0013] 2. The two U-shaped rods are connected to the cabin door through the rod fixing seats, indirectly providing lateral support for the cabin door and enhancing the cabin door structure.

[0014] 3. The four connecting rods on both sides of the original cabin door are combined into two U-shaped rods, making the translation mechanism simple in structure and convenient for installation.

[0015] 4. The ball head plunger enables the sleeve to be quickly and detachably connected to the upper and lower U-shaped rods, facilitating the replacement and maintenance of the sleeve. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a schematic structural diagram of the present invention; Figure 2 is a schematic structural diagram of the translation mechanism of the present invention; Figure 3 is Figure 2 the enlarged view at A in Figure 4 is Figure 2 the enlarged view at B in Figure 5 isFigure 2 Enlarged view at position C; Figure 6 Schematic side structure diagram of the translation mechanism of the present invention; Figure 7 Side cross-sectional view in the open state during the use of the present invention; Figure 8 Side cross-sectional view in the closed state during the use of the present invention; Figure 9 Exploded view of the connection structure between the U-shaped rod and the sleeve of the present invention; Figure 10 Cross-sectional view of the connection structure between the U-shaped rod and the sleeve of the present invention.

[0017] Reference numerals in the drawings 1. Upper U-shaped rod, 2. Lower U-shaped rod, 3. Fixed base, 4. Rod fixing seat, 5. Gas spring, 6. Rubber shock-absorbing bolt, 7. Limit pipe clamp, 8. Socket head cap screw for plugging, 9. Hexagon head bolt, 10. Sleeve, 11. Connector, 12. Cabin body, 13. Cabin door, 14. Cross bar, 15. Arm rod, 16. Ball head plunger, 17. Threaded hole, 18. Fixing hole, 19. Plug post. Detailed implementation manners

[0018] To further elaborate on the technical means and effects adopted by the present invention to achieve the predetermined invention purpose, the following, in conjunction with the accompanying drawings and preferred embodiments, details the specific implementation manners, structures, features and their effects of the present invention as follows.

[0019] As Figures 1-6 shown, a U-shaped rod cabin door translation mechanism includes a cabin door 13, a cabin body 12 and a translation mechanism connecting the cabin door 13 and the cabin body 12.

[0020] The translation mechanism includes an upper U-shaped rod 1, a lower U-shaped rod 2 and two fixed bases 3. Both ends of the upper U-shaped rod 1 are respectively hinged to the tops of the two fixed bases 3 on both sides, and both ends of the lower U-shaped rod 2 are respectively hinged to the bottoms of the two fixed bases 3 on both sides.

[0021] As Figures 9-10 shown, sleeves are detachably connected to both ends of the upper U-shaped rod and the lower U-shaped rod. A plug post 19 is vertically connected to the side wall of the sleeve. A threaded hole 17 is provided in the plug post 19. A ball head plunger 16 is threadedly connected in the threaded hole 17. The outer wall of the ball head plunger 16 is provided with a thread matching the threaded hole 17. The ball head plunger 16 is a ball head with an internal spring at one end to provide elastic expansion and contraction, which is a prior art and its structure and principle will not be elaborated herein. The two ends of the upper U-shaped rod and the lower U-shaped rod are hollow tube structures and a fixing hole 18 is opened on the side wall. The fixing hole 18 matches the size of the ball head of the ball head plunger 16. The pin 19 is inserted into the two ends of the upper U-shaped rod and the lower U-shaped rod and engages with the fixing hole 18 through the ball head plunger 16 to realize a detachable connection between the sleeve and the upper U-shaped rod and the lower U-shaped rod. When disassembling, the ball head of the ball head plunger 16 is pressed to disengage it from the fixing hole 18, and then the sleeve and the pin 19 connected thereto are pulled to realize the quick removal of the sleeve.

[0022] like Figures 2-4 As shown, the top and bottom of the fixed base 3 are fixedly installed with hexagon socket bolts 8, the sleeve 10 is rotatably mounted on the hexagon socket bolts 8, and the upper U-shaped rod 1 and the lower U-shaped rod 2 are respectively hinged to the top and bottom of the fixed base 3 through the sleeve 10.

[0023] like Figures 6-8 As shown, the upper U-shaped rod 1 and the lower U-shaped rod 2 both include two side arms 15 and a cross bar 14 connecting the two side arms 15, and the two side arms are provided with a curved structure, and the bending angle of the curved structure on the two side arms of the upper U-shaped rod is greater than the bending angle of the curved structure on the two side arms of the lower U-shaped rod, so that the arm 15 bypasses the upper edge of the cabin body 12 to realize the opening and closing movement of the cabin door 13.

[0024] like Figure 5 As shown, the upper U-shaped rod 1 and the lower U-shaped rod 2 are both fixedly connected to the cabin door 13, and the cross bars 14 of the upper U-shaped rod 1 and the lower U-shaped rod 2 are fixedly installed with a rod fixing seat 4 and a limiting pipe clamp 7. The rod fixing seat 4 is located on one side of the limiting pipe clamp 7. The limiting pipe clamp 7 is provided to determine the position of the rod fixing seat 4 during assembly. The upper U-shaped rod 1 and the lower U-shaped rod 2 are fixedly connected to the cabin door 13 via the rod fixing seat 4.

[0025] like Figure 3 As shown, a limiting device is installed on the top of the fixed base 3, and the limiting device includes a rubber shock-absorbing bolt 6. The rubber shock-absorbing bolt 6 is installed on the top of the fixed base 3 by adjusting the nut. When the hatch 13 is opened, the rubber part of the rubber shock-absorbing bolt 6 is in contact with the arm rods 15 on both sides of the upper U-shaped rod 1, which plays a limiting and buffering role to prevent damage to the arm rods 15; the height position of the rubber shock-absorbing bolt 6 can be adjusted according to actual conditions, thereby adjusting the maximum opening range of the hatch 13.

[0026] like Figure 6 As shown, the connection positions of the upper U-shaped rod 1 and the lower U-shaped rod 2 on the fixed base 3 are located on a vertical straight line, the lower U-shaped rod 2 is located directly below the upper U-shaped rod 1, and the fixed base 3 is fixedly connected with an external hexagonal bolt 9, and the fixed bases 3 on both sides are fixedly mounted on the cabin 12 by the external hexagonal bolts 9.

[0027] like Figures 7-8As shown in the figure, the translation mechanism further includes two gas springs 5. One end of the two gas springs 5 is hinged to the two side arms 15 of the upper U-shaped rod 1 through a connecting piece 11, and the other end is hinged to the top of the cabin body 12 through a connecting piece 11, so as to share the weight of the cabin door 13 after the translation mechanism is opened and maintain the opening and closing of the cabin door 13.

[0028] The working principle of the present invention: Figure 7 Exemplarily shows the open state of the cabin door. When opening the cabin door, by pulling the handle on the outer side wall of the cabin door 13, the upper U-shaped rod 1 and the lower U-shaped rod 2 are driven to rotate synchronously around the fixed base 3, so that the upper U-shaped rod 1 and the lower U-shaped rod 2 bypass the upper edge of the cabin body 12 to realize the opening movement of the cabin door 13. The gas spring 5 extends to assist in sharing the weight of the cabin door 13. When the movement of the upper U-shaped rod 1 reaches the limit of the rubber damping bolt 6, it stops, and the cabin door 13 remains in the maximum open state; Figure 8 Exemplarily shows the closed state of the cabin door. When closing the cabin door, by pulling the handle on the outer side wall of the cabin door 13, the upper U-shaped rod 1 and the lower U-shaped rod 2 are driven to rotate synchronously around the fixed base 3, so that the upper U-shaped rod 1 and the lower U-shaped rod 2 return to the cabin body 12. The gas spring 5 shortens to assist in closing the cabin door 13. When the movement of the upper U-shaped rod 1 and the lower U-shaped rod 2 reaches the state where the cabin door 13 is completely closed with the cabin body 12, it stops, and the cabin door 13 remains in the closed state; During the opening and closing process, the upper U-shaped rod 1 and the lower U-shaped rod 2 rotate synchronously around the fixed base 3, and at the same time, the gas spring 5 extends or shortens to assist in opening and closing the cabin door 13.

[0029] In the present invention, the four connecting rods on both sides of the original cabin door are combined into two U-shaped rods, which greatly improves the swing arm strength of the translation mechanism and the synchronization of the movement on both sides of the cabin door; the two U-shaped rods are connected to the cabin door through rod fixing seats, indirectly providing lateral support for the cabin door and enhancing the cabin door structure. The sleeve and the upper and lower U-shaped rods are quickly detachably connected through a ball head plunger, which is convenient for replacing and repairing the sleeve; the translation mechanism has a simple structure and is easy to install.

[0030] The above is only a preferred embodiment of the present invention, and it does not impose any form of limitation on the present invention. Although the present invention has been disclosed as above with a preferred embodiment, it is not intended to limit the present invention. Any person skilled in the art can make some changes or modifications to the above-disclosed technical content to form an equivalent embodiment with equivalent changes within the scope of the technical solution of the present invention. However, as long as it does not depart from the content of the technical solution of the present invention, any brief modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention, including but not limited to changes in the shape of the U-shaped rod, the shape of the connection base, the connection position of the U-shaped rod and the fixed base, the connection position of the U-shaped rod and the cabin door, the size of the U-shaped rod, the size and type of the cabin door, and the driving mode of the gas spring, still fall within the scope of the technical solution of the present invention.

Claims

1. A U-shaped rod cabin door translation mechanism, characterized in that: It includes a cabin door, a cabin body and a translation mechanism connecting the cabin door and the cabin body, the translation mechanism includes an upper U-shaped rod, a lower U-shaped rod and two fixed bases, the two ends of the upper U-shaped rod are respectively hinged to the tops of the fixed bases on both sides, the two ends of the lower U-shaped rod are respectively hinged to the bottoms of the fixed bases on both sides, the connection positions of the upper U-shaped rod and the lower U-shaped rod on the fixed bases are located on a vertical straight line, the lower U-shaped rod is located directly below the upper U-shaped rod, the fixed bases on both sides are fixedly installed on the cabin body, and the upper U-shaped rod and the lower U-shaped rod are both fixedly connected to the cabin door.

2. A U-shaped rod cabin door translation mechanism according to claim 1, characterized in that: The upper U-shaped rod and the lower U-shaped rod both include arm rods on both sides and a cross bar connecting the arm rods on both sides. The arm rods on both sides are provided with curved structures. The bending angles of the curved structures on the arm rods on both sides of the upper U-shaped rod are greater than the bending angles of the curved structures on the arm rods on both sides of the lower U-shaped rod.

3. A U-shaped rod cabin door translation mechanism according to claim 2, characterized in that: The translation mechanism also includes two gas springs, one end of the two gas springs is hinged to the two side arms of the upper U-shaped rod through a connecting piece, and the other end is hinged to the top of the cabin through a connecting piece.

4. A U-shaped rod cabin door translation mechanism according to claim 2, characterized in that: A limiting device is installed on the top of the fixed base, and the limiting device includes a rubber shock-absorbing bolt. The rubber shock-absorbing bolt is installed on the top of the fixed base through a nut adjustment. When the hatch is opened, the rubber part of the rubber shock-absorbing bolt is in contact with the arm rods on both sides of the upper U-shaped rod.

5. The U-shaped rod cabin door translation mechanism according to claim 2, characterized in that: A rod fixing seat and a limiting pipe clamp are fixedly installed on the cross bars of the upper U-shaped rod and the lower U-shaped rod. The rod fixing seat is located on one side of the limiting pipe clamp. The upper U-shaped rod and the lower U-shaped rod are fixedly connected to the cabin door through the rod fixing seat.

6. The U-shaped rod cabin door translation mechanism according to claim 1, characterized in that: Both ends of the upper U-shaped rod and the lower U-shaped rod are detachably connected with sleeves, and a plug column is vertically connected to the side wall of the sleeve, and a screw hole is opened on the plug column, and a ball head plunger is threadedly connected to the inner thread of the screw hole, and a thread matching the screw hole is provided on the outer wall of the ball head plunger. The two ends of the upper U-shaped rod and the lower U-shaped rod are hollow tube structures and fixed holes are opened on the side walls, and the fixing holes match the size of the ball head of the ball head plunger. The two ends of the plug column are inserted into the upper U-shaped rod and the lower U-shaped rod and engage with the fixing holes through the ball head plunger to realize the detachable connection between the sleeve and the upper U-shaped rod and the lower U-shaped rod.

7. A U-shaped rod cabin door translation mechanism according to claim 6, characterized in that: The top and bottom of the fixed base are fixedly installed with hexagon socket bolts, the sleeve is rotatably sleeved on the hexagon socket bolts, and the upper U-shaped rod and the lower U-shaped rod are respectively hinged to the top and bottom of the fixed base through the sleeve.

8. The U-shaped rod cabin door translation mechanism according to claim 1, characterized in that: The fixing base is fixedly connected with an external hexagonal bolt, and the fixing base is fixedly installed on the cabin body through the external hexagonal bolt.

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