A shock absorbing device for an expansion equipment connector of a truck body in white

Abstract

The invention discloses a shock absorbing device for an expansion device connector of a truck body-in-white, the shock absorbing device comprises a bottom plate, a main shock absorbing airbag, an auxiliary shock absorbing airbag and four bearing plates, the main shock absorbing airbag is mounted on the bottom plate, the auxiliary shock absorbing airbag is bonded to the top of the main shock absorbing airbag, three corners of the bearing plate are provided with fixing holes, another corner is vertically connected with a fixing column, each side edge of the bottom plate is provided with two hydraulic shock absorbers, the tops of the two hydraulic shock absorbers are connected with a spring fixing plate, the top of the auxiliary shock absorbing airbag is also provided with two spring fixing plates, the four bearing plates are connected at two edges, and the fixing column is located on the side of the bearing plate away from the bottom plate and at the outermost side of the four bearing plates, a spring is provided in the fixing hole of the bearing plate, the lower end of the spring is connected to the spring fixing plate, the upper end of the spring is connected to the spring fixing cap, and the spring fixing cap is fixed to the bearing plate through a threaded sleeve. The application of the invention can facilitate the installation of the expansion device and reduce the vibration of the expansion device.

Description

Technical Field

[0001] The invention relates to the technical field of automobile structures, and in particular to a shock absorbing device for an expansion device connector of a truck body-in-white. Background Art

[0002] The rear panel of the truck body-in-white is usually a 0.8-1mm rolled steel plate that separates the inside and outside of the cockpit. It does not provide any function. If expansion equipment needs to be installed later, it is necessary to open a mounting hole on the rear panel and install the expansion equipment on the mounting hole. However, due to the different sizes and shapes of expansion equipment, it is difficult to install the expansion equipment directly on the mounting hole. Summary of the invention

[0003] The object of the present invention is to provide a shock absorbing device for an expansion device connector of a truck body-in-white, which can facilitate the installation of the expansion device and reduce the vibration of the expansion device.

[0004] In order to solve the above technical problems, a technical solution adopted by the present invention is: providing a shock absorbing device for an expansion device connector for a truck body-in-white, the truck body-in-white comprising a rear panel, the rear panel being provided with a plurality of evenly arranged mounting holes, the expansion device connector comprising a connecting shaft, the connecting shaft being able to pass through the mounting holes, a mounting plate being provided at one end of the connecting shaft, four receiving grooves extending along the axial direction of the connecting shaft being provided on the circumference of the connecting shaft, the four receiving grooves being evenly distributed on the circumference of the connecting shaft, a fixing rod being hingedly connected at the end of the receiving groove away from the mounting plate, a connecting rod being hingedly connected in the receiving groove between the fixing rod and the mounting plate, the connecting rod being connected with a leaf-shaped fixing plate;

[0005] The shock absorbing device includes a base plate, a main shock absorbing airbag, an auxiliary shock absorbing airbag and four load-bearing plates. The main shock absorbing airbag is installed on the base plate. The auxiliary shock absorbing airbag is smaller in volume than the main shock absorbing airbag and is bonded to the top of the main shock absorbing airbag. Three corners of each load-bearing plate are provided with fixing holes, and another corner is vertically connected with a fixing column. Two hydraulic shock absorbers are provided at the center of each side of the base plate near the edge. The tops of the two hydraulic shock absorbers on each side are connected to a spring fixing plate. Two square grooves are provided on the top of the auxiliary shock absorbing airbag. A spring fixing plate is also provided in the two square grooves, the four load-bearing plates are connected at their edges in pairs and are located above the spring fixing plate, and the fixing column is located on the side of the load-bearing plate away from the bottom plate and is located at the outermost side of the four load-bearing plates. A spring is provided in the fixing hole of the load-bearing plate, the lower end of the spring is connected to the spring fixing plate, and the upper end of the spring is connected to the spring fixing cap, and the spring fixing cap is fixed to the load-bearing plate through a threaded sleeve, the bottom plate is used to be fixedly connected to the expansion device, and the fixing columns of the four load-bearing plates are used to be fixedly connected to the mounting plate.

[0006] Preferably, the mounting plate is provided with a plurality of screw holes for fixing the expansion device.

[0007] Preferably, two relatively arranged fixing rods are provided with a locking assembly, which includes a roller and a spring, wherein the spring is arranged on the outer side of the end of the accommodating groove away from the mounting plate, the roller is located in the accommodating groove and is rotationally connected to the accommodating groove and slidably connected to the accommodating groove, can slide within a predetermined distance and can rotate itself, and the roller is radially provided with a notch, and when the fixing rod is rotated to be perpendicular to the connecting shaft, the spring extends and pushes the roller, the roller is located on the side of the fixing rod facing the fixing plate and the notch of the roller is adjacent to the fixing rod and facing downward, and when the fixing rod is rotated to be parallel to the connecting shaft, the spring is compressed by the roller, the roller is located on the side of the fixing rod away from the fixing plate, and the end of the fixing rod is engaged with the notch of the roller.

[0008] Preferably, a buckle is provided on the side of the other two relatively arranged fixing rods away from the fixing plate, and the buckle is arranged on the outer side of the end of the accommodating groove away from the mounting plate. One end of the buckle is hinged to the connecting shaft, and the other end can be lifted to resist and support the fixing rod.

[0009] Preferably, a groove is provided at the end of one of the two adjacent fixing rods, and a protrusion is provided at the end of the other fixing rod, and the protrusion can be engaged with the groove.

[0010] Preferably, the expansion device connector further comprises an extension shaft, the connecting shaft is a hollow structure and has an internal thread, the extension shaft can be threadedly connected to the connecting shaft, and the mounting plate is arranged at the end of the extension shaft.

[0011] Preferably, the expansion device connector further comprises a mounting frame, the mounting frame is a rectangular frame structure, and a strip-shaped mounting groove is provided on the outer side of each side frame of the mounting frame.

[0012] Preferably, rubber strips are sandwiched between two edges of the four load-bearing plates.

[0013] Different from the prior art, the present invention has the advantages of facilitating the installation of the expansion device without considering the size and shape of the expansion device, and absorbing the impact of the expansion device in the front and rear directions after the expansion device is installed. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is an axonometric view of the expansion device connector after being unfolded according to the embodiment of the present invention.

[0015] Figure 2 yes Figure 1 Left view of .

[0016] Figure 3The invention is an axonometric view of a folded fixing rod of an expansion device connector for a truck body-in-white provided by an embodiment of the present invention.

[0017] Figure 4 yes Figure 3 Left view of .

[0018] Figure 5 yes Figure 2 A partially enlarged schematic diagram of .

[0019] Figure 6 yes Figure 4 A partially enlarged schematic diagram of .

[0020] Figure 7 yes Figure 1 A perspective view of the buckle portion of the .

[0021] Figure 8 yes Figure 1 Axonometric view of the extension device connector after connecting the extension shaft.

[0022] Fig. 9 is a schematic diagram of the mounting frame of the expansion device connector.

[0023] Fig.10 It is a schematic structural diagram of a shock absorbing device for an expansion device connector of a truck body-in-white according to an embodiment of the present invention.

[0024] Fig.11 yes Fig.10 The schematic diagram of the structure of the shock absorbing device shown is after removing the load-bearing plate.

[0025] Fig.12 yes Fig.10 The exploded schematic diagram of the connection between the load-bearing plate of the shock absorbing device and the hydraulic shock absorber is shown. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0027] See also Figures 1 to 4In this embodiment, the truck body-in-white includes a rear panel, and a plurality of evenly arranged mounting holes are provided on the rear panel, and the mounting holes can be circular or square. The expansion device connector shock absorbing device for the truck body-in-white of the embodiment of the present invention includes a connecting shaft 1, and the connecting shaft 1 can pass through the mounting hole. A mounting plate 2 is provided at one end of the connecting shaft 1. Four receiving grooves 11 extending along the axial direction of the connecting shaft 1 are provided on the circumference of the connecting shaft 1. The four receiving grooves 11 are evenly distributed on the circumference of the connecting shaft 1. A fixing rod 3 is hinged at the end of the receiving groove 11 away from the mounting plate 2. A connecting rod 4 is hinged in the receiving groove 11 between the fixing rod 3 and the mounting plate 2. The connecting rod 4 is connected to a blade-shaped fixing plate 5.

[0028] When it is necessary to install the expansion device, first fold the connecting rod 4 together with the fixing plate 5, then fold the fixing rod 3, then pass the connecting shaft 1 through the installation hole, and finally unfold the fixing rod 3 and the fixing plate 5. The unfolded fixing rod 3 and the fixing plate 5 are respectively located on both sides of the rear panel, so that the fixing rod 3 and the fixing plate 5 tightly clamp the rear panel.

[0029] The mounting plate 2 is provided with a plurality of screw holes 21 for fixing the expansion device. The number of the screw holes 21 is, for example, four. The shape of the mounting plate 2 is, for example, square. The four screw holes 21 are distributed at the four corners of the mounting plate 2 .

[0030] See also Figure 5 and Figure 6 In order to fix the position of the fixed rod 3 after being unfolded, the two fixed rods 3 arranged opposite to each other are provided with a locking assembly, which includes a roller 61 and a spring 62. The spring 62 is arranged outside the end of the receiving groove 11 away from the mounting plate 2. The roller 61 is located in the receiving groove 11 and is rotatably connected to the receiving groove 11 and is slidably connected to the receiving groove 11. It can slide within a predetermined distance and can rotate itself. The roller 61 has a notch in the radial direction. When the fixed rod 3 rotates to be perpendicular to the connecting shaft 1, the spring 62 stretches and pushes the roller 61. The roller 61 is located on the side of the fixed rod 3 facing the fixing plate 5 and the notch of the roller 61 is adjacent to the fixed rod 3 and facing downward. When the fixed rod 3 rotates to be parallel to the connecting shaft 1, the spring 62 is compressed by the roller 61. The roller 61 is located on the side of the fixed rod 3 away from the fixing plate 5, and the end of the fixed rod 3 is engaged with the notch of the roller 61. The spring 62 can be buried inside the connecting shaft 1 or partially exposed outside the connecting shaft 1.

[0031] The notch of the roller 61 is fan-shaped, as shown in FIG. Figure 6 As shown, the notch of the roller 61 occupies 1 / 4 of the area of ​​the roller 61 in the axial direction of the roller 61 .

[0032] See also Figure 7The other two fixing rods 3 arranged opposite to each other are provided with a buckle 7 on the side away from the fixing plate 5. The buckle 7 is arranged on the outer side of the end of the accommodating groove 11 away from the mounting plate 2. One end of the buckle 7 is hinged to the connecting shaft 1, and the other end can be lifted to resist and support the fixing rod 3.

[0033] Participate again Figures 1 to 4 In this embodiment, a groove 31 is provided at the end of one of the two adjacent fixing rods 3, and a protrusion 32 is provided at the end of the other fixing rod 3, and the protrusion 32 can be fitted into the groove 31. Since some expansion devices are very heavy, they are prone to displacement in the vertical direction, causing deformation of the rear panel. Through the groove 31 and the protrusion 32, the two adjacent expansion device connectors can fix the fixing rods 3 of the two, thereby preventing the deformation of the rear panel caused by displacement in the vertical direction.

[0034] See also Figure 8 In order to accommodate larger expansion devices, in this embodiment, the expansion device connector also includes an extension shaft 8, the connecting shaft 1 is a hollow structure and has an internal thread, the extension shaft 8 can be threadedly connected to the connecting shaft 1, and the mounting plate 2 is arranged at the end of the extension shaft 8.

[0035] See also Fig. 9 In order to strengthen the structural strength of the rear panel mounting hole, in this embodiment, the expansion device connector further includes a mounting frame 9, which is a rectangular frame structure, and a strip-shaped mounting groove 91 is provided on the outer side of each frame of the mounting frame 8. The mounting frame 9 can be applied to a rectangular mounting hole, and the mounting frame 9 is embedded in the mounting hole through the mounting groove 91, and then the connecting shaft 1 passes through the mounting hole.

[0036] See also Figures 10 to 12The shock absorbing device of the embodiment of the present invention comprises a bottom plate 110, a main shock absorbing airbag 120, an auxiliary shock absorbing airbag 130 and four bearing plates 140. The main shock absorbing airbag 120 is installed on the bottom plate 110. The auxiliary shock absorbing airbag 130 is smaller in volume than the main shock absorbing airbag 120 and is bonded to the top of the main shock absorbing airbag 120. Three corners of each bearing plate 140 are provided with fixing holes 141, and another corner is vertically connected with a fixing column 142. Two hydraulic shock absorbers 111 are provided at the center of each side of the bottom plate 110 near the edge. The tops of the two hydraulic shock absorbers 111 on each side are connected to the spring fixing plate 112. Two square grooves 131 are provided on the top of the auxiliary shock absorbing airbag 130. The two square grooves 131 are provided on the top of the auxiliary shock absorbing airbag 130. A spring fixing plate 112 is also provided in each square groove 131, and the edges of the four load-bearing plates 140 are connected in pairs and are located above the spring fixing plate 112, and the fixing column 142 is located on the side of the load-bearing plate 140 away from the bottom plate 110 and is located at the outermost side of the four load-bearing plates 140. A spring 143 is provided in the fixing hole 141 of the load-bearing plate 140, and the lower end of the spring 143 is connected to the spring fixing plate 112, and the upper end of the spring 143 is connected to the spring fixing cap 144, and the spring fixing cap 144 is fixed to the load-bearing plate 140 through a threaded sleeve 145. The bottom plate 110 is used to be fixedly connected to the expansion device, and the fixing columns 142 of the four load-bearing plates 140 are used to be fixedly connected to the mounting plate 2.

[0037] The shock absorbing device can absorb the impact in the front and rear directions through the main shock absorbing airbag 120 and the auxiliary shock absorbing airbag 130 , and withstand the lateral and longitudinal impact vibrations through the spring 143 and the hydraulic shock absorber 111 .

[0038] The above descriptions are merely embodiments of the present invention and are not intended to limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the present invention specification and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A shock absorbing device for an expansion device connector of a truck body-in-white, wherein the truck body-in-white comprises a rear panel, wherein the rear panel is provided with a plurality of evenly arranged mounting holes, wherein: The expansion device connector includes a connecting shaft, which can pass through the mounting hole, and a mounting plate is provided at one end of the connecting shaft. Four receiving grooves extending along the axial direction of the connecting shaft are provided on the circumference of the connecting shaft, and the four receiving grooves are evenly distributed on the circumference of the connecting shaft. A fixing rod is hingedly connected to the end of the receiving groove away from the mounting plate, and a connecting rod is hingedly connected in the receiving groove between the fixing rod and the mounting plate. The connecting rod is connected to a leaf-shaped fixing plate, and two fixing rods arranged opposite to each other are provided with a locking assembly, and the locking assembly includes a roller and a spring, and the spring is arranged on the outer side of the end of the receiving groove away from the mounting plate. The roller is located in the receiving groove and is rotatably connected to the receiving groove and slidably connected to the receiving groove, and can slide within a predetermined distance and can rotate itself. The roller is provided with a notch in the radial direction. When the fixing rod is rotated to a position perpendicular to the connecting shaft When the wheel is in motion, the spring is pulled back and the roller is pushed forward, the roller being located on one side of the fixing rod facing the fixing plate and the notch of the roller being adjacent to the fixing rod and facing downwards, when the fixing rod is rotated to be parallel to the connecting shaft, the spring is compressed by the roller, the roller being located on the side of the fixing rod away from the fixing plate and the end of the fixing rod is engaged with the notch of the roller, and a buckle is provided on the other two fixing rods which are oppositely arranged on the side away from the fixing plate, the buckle is arranged on the outer side of the end of the accommodating groove away from the mounting plate, one end of the buckle is hinged to the connecting shaft and the other end can be lifted to resist and support the fixing rod. When the expansion equipment needs to be installed, the connecting rod is first folded together with the fixing plate, and then the fixing rod is folded, and then the connecting shaft is passed through the mounting hole, and finally the fixing rod and the fixing plate are unfolded, and the unfolded fixing rod and the fixing plate are respectively located on both sides of the rear panel, so that the fixing rod and the fixing plate tightly clamp the rear panel; The shock absorbing device includes a base plate, a main shock absorbing airbag, an auxiliary shock absorbing airbag and four load-bearing plates. The main shock absorbing airbag is installed on the base plate. The auxiliary shock absorbing airbag is smaller in volume than the main shock absorbing airbag and is bonded to the top of the main shock absorbing airbag. Three corners of each load-bearing plate are provided with fixing holes, and another corner is vertically connected with a fixing column. Two hydraulic shock absorbers are provided at the center of each side of the base plate near the edge. The tops of the two hydraulic shock absorbers on each side are connected to a spring fixing plate. Two square grooves are provided on the top of the auxiliary shock absorbing airbag. A spring fixing plate is also provided in the two square grooves, the four load-bearing plates are connected at their edges in pairs and are located above the spring fixing plate, and the fixing column is located on the side of the load-bearing plate away from the bottom plate and is located at the outermost side of the four load-bearing plates. A spring is provided in the fixing hole of the load-bearing plate, the lower end of the spring is connected to the spring fixing plate, and the upper end of the spring is connected to the spring fixing cap, and the spring fixing cap is fixed to the load-bearing plate through a threaded sleeve, the bottom plate is used to be fixedly connected to the expansion device, and the fixing columns of the four load-bearing plates are used to be fixedly connected to the mounting plate.

2. The expansion device connector shock absorbing device according to claim 1, characterized in that: The mounting plate is provided with a plurality of screw holes for fixing the expansion device.

3. The expansion device connector shock absorbing device according to claim 1, characterized in that: A groove is arranged at the end of one of the two adjacent fixing rods, and a convex block is arranged at the end of the other fixing rod, and the convex block can be embedded in the groove.

4. The expansion device connector shock absorbing device according to claim 1, characterized in that: The expansion device connector also includes an extension shaft. The connecting shaft is a hollow structure and has an internal thread. The extension shaft can be threadedly connected to the connecting shaft. The mounting plate is arranged at the end of the extension shaft.

5. The expansion device connector shock absorbing device according to claim 1, characterized in that: The expansion device connector further comprises an installation frame, which is a rectangular frame structure, and a strip-shaped installation groove is arranged on the outer side of each frame of the installation frame.

6. The expansion device connector shock absorbing device according to claim 1, characterized in that: Rubber strips are sandwiched between two edges of the four load-bearing plates.

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