WO2019042114A1 - Tailgate gas spring mounting structure and vehicle - Google Patents

Abstract

Disclosed are a tailgate gas spring mounting structure and a vehicle. The tailgate gas spring mounting structure comprises a vehicle tailgate (5), a vehicle body drip channel (4) and a gas spring (2, 2'). One end of the gas spring (2, 2') is connected to a first mounting bracket (3). The gas spring (2, 2') is hinged to the vehicle body drip channel (4) by means of the first mounting bracket (3). The other end of the gas spring (2, 2') is connected to a second mounting bracket (6). The gas spring (2, 2') is hinged to the vehicle tailgate (5) by means of the second mounting bracket (6). An upper surface of the vehicle body drip channel (4) is provided with an inwardly recessed transition portion (4-1). The first mounting bracket (3) is fixed to the transition portion (4-1), and a plane where the connection between the first mounting bracket (3) and the transition portion (4-1) is located forms an included angle with a plane where an axis of the gas spring (2, 2') in a closed state is located. When the gas spring (2, 2') is closed, the tension on the connection can be effectively weakened. When the gas spring (2, 2') is opened, the overall stress on the connection is effectively weakened, thus ensuring that the structure does not deform or crack under a gas spring load during the opening and closing of a tailgate.

Description

Tail gate gas spring installation structure and automobile

cross reference

The present application is hereby incorporated by reference in its entirety in its entirety in its entirety in its entirety in the the the the the the the the the

Technical field

The invention relates to the technical field of automobile parts, in particular to a tail valve gas spring installation structure and an automobile.

Background technique

The tailgate gas spring assembly of the existing model includes a gas spring and a mounting plate. The current tailgate gas spring assembly installation method adopts a lift type, that is, one end of the gas spring is fixed on the tailgate of the automobile, and the other end of the gas spring is fixed. On the body flow sink at the rear of the car. Among them, the installation point structure of the gas spring and the automobile body water tank is one of the important structures of the body-in-white, and the structure of the installation directly affects the durability reliability of the body-in-white and the tailgate of the vehicle, the quality and operability of the user switch tailgate.

The mounting point structure of the conventional automobile gas spring and the flow tank is as shown in Figs. 1 and 2, and includes a gas spring 2, a first mounting bracket 3, and a side wall rear water tank 1, which adopts the above-mentioned mounting point structure, and when the tailgate of the automobile is closed The force analysis at the connection point between the gas spring 2' and the side wall backflow water tank 1 can be seen in Fig. 1. The force analysis at the connection point between the gas spring 2 and the side wall rear water tank 1 when the tailgate is opened can be seen in the figure. 2. It can be seen that the shearing tension of the connection point between the gas spring 2 and the side wall backflow water tank 1 is large, and the structure is liable to cause cracks in the side water tank after the side wall is cracked or the joint point is cracked and the tail door cannot be normally opened, and also Reduces the durability and reliability of the body-in-white and car tailgates.

Summary of the invention

(1) Technical problems to be solved

The first object of the present invention is to provide a tail valve gas spring installation structure with simple structure, reasonable design, and effective improvement of the hinge reliability of the gas spring and the body flow tank and the durability of the white body to solve the traditional automobile gas. The spring installation point structure has the problem of cracking of the water tank or cracking of the joint point and poor durability of the whole vehicle.

A second object of the present invention is to provide a vehicle including a tailgate gas spring mounting structure which is simple in structure, reasonable in design, and capable of effectively improving the hinge reliability of the gas spring and the body flow tank and improving the durability of the body. The gas spring installation point structure of the automobile has the problem that the water tank is cracked or the connection point is cracked and the durability of the whole vehicle is poor.

(2) Technical plan

In order to solve the above technical problem, the present invention provides a tailgate gas spring mounting structure, including a vehicle tailgate, a body flow tank and a gas spring, one end of the gas spring is connected with a first mounting bracket, and the gas spring passes through The first mounting bracket is hinged to the body flow tank; the other end of the gas spring is connected with a second mounting bracket, and the gas spring is hinged to the tailgate of the automobile through the second mounting bracket; The upper surface of the water tank is provided with an inner recessed transition portion, the first mounting bracket is fixed on the transition portion, and a plane where the connection between the first mounting bracket and the transition portion is located and a closed state The plane in which the axis of the gas spring is located is at an angle.

Wherein the transition portion includes a first recess and a second recess connected to the first recess, the first recess and the second recess together define an inwardly recessed mounting region, the first mounting bracket and The first recess is connected.

Wherein the first mounting bracket comprises a mounting plate and a connecting plate extending from one end of the mounting plate, the mounting plate is connected to the transition portion, and the connecting plate is provided for articulating with the gas spring The first ball joint.

Wherein, the mounting plate is provided with a first mounting hole, and the transition portion is provided with a first mounting hole corresponding to the first mounting hole, and the first mounting bracket passes through the first mounting hole in sequence and The first fastening component behind the first mounting hole is fixedly connected to the body flow tank.

Wherein the first fastening component comprises a bolt and a nut that cooperates with the bolt.

Wherein, the mounting plate is provided with a process via for the welding gun to pass through to weld the first mounting bracket and the transition portion.

Wherein the second mounting bracket is a second ball joint and a mounting bracket connected to the second ball joint, the second ball joint is for articulating with the gas spring, the mount is for Fixed connection with the tailgate of the automobile.

The mounting seat is provided with a boss, and the tailgate of the automobile is provided with a card slot corresponding to the boss; the second mounting bracket is engaged with the card slot through the boss to realize the The tailgate of the automobile is fixedly connected.

Wherein, the mounting seat is provided with a second mounting hole, the automobile tailgate is provided with a second mounting hole corresponding to the second mounting hole, and the second mounting bracket passes through the second mounting hole and the second through The second fastening component after the mounting hole is fixedly connected to the tailgate of the automobile.

The present invention also provides an automobile comprising the tailgate gas spring mounting structure.

(3) Beneficial effects

The above technical solution of the present invention has the following advantages:

The invention provides a tailgate gas spring installation structure, which comprises an automobile tailgate, a body flow tank and a gas spring. One end of the gas spring is connected with a first mounting bracket, and the gas spring is hinged to the body flow tank through the first mounting bracket; The other end of the spring is connected with a second mounting bracket, and the gas spring is hinged to the tailgate of the automobile through the second mounting bracket; the upper surface of the body flow tank is provided with a transition portion of the inner recess, and the first mounting bracket is fixed on the transition portion, and the first The plane in which the attachment bracket and the transition portion are located is disposed at an angle to the plane in which the axis of the gas spring in the closed state is located. According to the tailgate gas spring mounting structure provided by the present invention, an inwardly recessed transition portion is added to the body flow water tank, and the connection portion of the first mounting bracket and the transition portion is connected by the transition portion and the gas spring. The plane is disposed at an angle with the plane of the axis of the gas spring in the closed state. When the gas spring is in the closed state, the tensile force of the connection between the first mounting bracket and the transition portion can be effectively weakened; when the gas spring is in the open state, The overall force of the joint between the first mounting bracket and the transition portion is effectively weakened, and the structure can be prevented from being deformed and cracked when the gas spring load of the tailgate is opened and closed, which is advantageous for prolonging the durability of the structure and reliable connection of the structure. Sex.

DRAWINGS

1 is a schematic view showing the connection structure of a gas spring and a side wall backflow water tank in the prior art, wherein the force analysis at the connection point between the gas spring and the side wall backflow water tank when the gas spring is in a closed state;

2 is a schematic view showing the connection structure of a gas spring and a side wall backflow water tank in the prior art, wherein the force analysis at the connection point between the gas spring and the side wall backflow water tank is performed when the gas spring is in an open state;

3 is a schematic view showing a connection structure of a tailgate, a body flow tank and a gas spring of an embodiment of a tailgate gas spring installation structure according to the present invention;

Figure 4 is a partial enlarged view of the area A in Figure 3;

Figure 5 is a partial enlarged view of the area B of Figure 3;

6 is a schematic structural view of a first mounting bracket of an embodiment of a tailgate gas spring mounting structure according to the present invention;

7 is a schematic structural view of a second mounting bracket of an embodiment of a tailgate gas spring mounting structure according to the present invention;

Figure 8 is a schematic view showing the connection structure of a gas spring and a body flow water tank according to an embodiment of a tail gate gas spring mounting structure of the present invention;

9 is a comparison diagram of the angle between the body flow tank and the gas spring in the present invention and the angle between the body flow tank and the gas spring in the prior art;

Figure 10 is a schematic view showing the connection structure of the gas spring and the body flow tank in the present invention, wherein the force analysis at the connection point between the gas spring and the body flow tank when the gas spring is in the closed state;

Figure 11 is a schematic view showing the connection structure of the gas spring and the body flow tank in the present invention, wherein the force analysis at the connection point between the gas spring and the body flow tank is performed when the gas spring is in the open state.

In the figure: 1: side wall rear water tank; 2: gas spring, in the open state; 2': gas spring, in the closed state; 3: first mounting bracket; 3-1: mounting plate; 3-1-1, 3-1-2: first mounting hole; 3-2: connecting plate; 3-2-1: first ball joint; 4: body flow tank; 4-1: transition; 4-1-1: a recess; 4-1-2: second recess; 5: car tailgate; 6: second mounting bracket; 6-1: second ball joint; 6-2: mount; 6-3: boss.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the drawings in the embodiments of the present invention. It is a part of the embodiment of the invention, not all of the embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present invention without creative efforts are within the scope of the present invention.

It should be noted that the force analysis in FIG. 1 and FIG. 2 is performed on the position of the connection between the first mounting bracket 3 and the side wall backflow water tank 1, wherein 2 indicates that the gas spring is in an open state (this) When the tailgate of the car is in the open state, 2' indicates that the gas spring is in the closed state (at this time, the tailgate of the car is closed). The force analysis of FIGS. 10 and 11 is performed for the position of the joint of the first mounting bracket 3 and the first recess 41-1 in the transition portion 4-1, wherein 2 is marked by the gas spring at The open state (at this time, the car tailgate is open), 2' indicates that the gas spring is in the closed state (at this time, the car tailgate is closed). Among them, F is the combined force, F1 and F2 are the component forces.

As shown in FIG. 3 to FIG. 11 , an embodiment of the present invention provides a tail gate gas spring installation structure, which specifically includes an automobile tailgate 5, a body flow tank 4, and a gas spring, wherein the automobile tailgate 5 passes through a hinge and a body flow. The water tank 4 is connected to the first mounting bracket 3, and the gas spring is hinged to the body water tank 4 through the first mounting bracket 3; the other end of the gas spring is connected with the second mounting bracket 6, and the gas spring is installed through the second The bracket 6 is hinged to the tailgate 5 of the vehicle; in the embodiment, the lift valve is used to open or close the tailgate 5, and when the tailgate 5 is in the open state, the gas spring 2 is in tension (ie, In the open state), when the tailgate 5 is in the closed state, the gas spring 2' is also in the closed state.

The upper surface of the body water tank 4 is provided with an inner recessed transition portion 4-1. The first mounting bracket 3 is fixed on the transition portion 4-1, and the connection between the first mounting bracket 3 and the transition portion 4-1 is located. The plane is at an angle to the plane of the axis of the gas spring in the closed state, and the angle refers to an angle between 0 and 90 degrees. Specifically, the body flow tank 4 is provided with a transition portion 4-1 recessed inwardly corresponding to the first mounting bracket 3, so that the gas spring is in a closed state after being mated with the body water tank 4, especially when the tailgate 5 of the vehicle is closed. The plane where the connection between the first mounting bracket 3 and the transition portion 4-1 is located is at an angle with the plane of the axis of the gas spring 2'. As shown in FIG. 9, the tailgate gas spring provided by the present application is used. The mounting structure, the angle between the plane where the first mounting bracket 3 and the transition portion 4-1 are located and the plane where the axis of the gas spring 2' is located is an acute angle b, compared to the existing first mounting bracket 3 and transition The angle between the plane where the joint of the portion 4-1 is located and the plane where the axis of the gas spring 2' is located is an obtuse angle a. When the gas spring is in the closed state, the first mounting bracket 3 and the transition portion 4-1 can be effectively weakened. The tensile force is applied to the joint; when the gas spring is in the open state, the overall force of the joint between the first mounting bracket 3 and the transition portion 4-1 is effectively weakened, and the gas spring load of the structure to withstand the opening and closing of the tailgate is ensured. It can be deformed and cracked at the same time, which is beneficial to extend the structure. Durability and reliability of the connection structure.

In addition to the above, the tail gate gas spring installation structure provided by the present application has a simple structure, a reasonable design, a simple process, low production cost and good economy.

Preferably, the transition portion 4-1 includes a first recess 41-1 and a second recess 4-1-2 connected to the first recess 4-1-1, the first recess 4-1-1 and the second recess 4-1-2 collectively defines an inwardly recessed mounting area, and the first mounting bracket 3 is coupled to the first recess 4-1-1. In the present embodiment, the transition portion 4-1 is composed of a first recessed portion 4-1-1 and a second recessed portion 4-1-2, and the first recessed portion 4-1-1 and the second recessed portion 4-1-2 are both The arcuate member having a certain concave curvature, the first recessed portion 4-1-1 and the second recessed portion 4-1-2 together define a U-shaped recessed region, wherein the first mounting bracket 3 is fixed to the U-shaped The upper half of the recessed area, that is, the side close to the roof, such that the plane in which the junction of the first mounting bracket 3 and the transition portion 4-1 is located is at an angle to the plane in which the axis of the gas spring in the closed state is located Set (the angle is between 0 and 90°).

It should be noted that when the first recessed portion 4-1-1 and the second recessed portion 4-1-2 are integrally processed, there may be no fixed connection trace therebetween. That is to say, the specific connection form of the two depends on the processing mode of the body flow tank 4. Here, the characters of the first recessed portion 4-1-1 and the second recessed portion 4-1-2 are mainly used to more clearly describe the structure in which the first mounting bracket 3 is fixed to the transition portion 4-1.

Specifically, the first mounting bracket 3 includes a mounting plate 3-1 and a connecting plate 3-2 extending from one end of the mounting plate 3-1. The mounting plate 3-1 is connected to the transition portion 4-1, and the connecting plate 3-2 A first ball joint 3-2-1 for articulating with the gas spring is provided. In this embodiment, the manner in which the mounting plate 3-1 is coupled with the transition portion 4-1 may be a screw connection or a bolt connection or a rivet connection or a bonding or welding, and a specific connection manner may be selected according to actual implementation conditions; The first ball joint head 3-2-1 is disposed on the connecting plate 3-2, and the rotatably connected with the gas spring is realized by the first ball joint head 3-2-1, so that the gas spring drives the car tailgate 5 relative to The body flow tank 4 is opened or closed.

Preferably, in the present embodiment, the mounting plate 3-1 and the connecting plate 3-2 are integrally formed, the production efficiency is high, and the overall structural strength of the first mounting bracket 3 can be improved. In a further preferred embodiment, the connecting plate 3-2 is disposed perpendicular to the mounting plate 3-1, that is, the mounting plate 3-1 and the connecting plate 3-2 constitute an L-shaped mounting member, the structure is simple, the processing technology is simple, and the production cost is reduced.

Specifically, the mounting plate 3-1 is provided with a first mounting hole, and the transition portion 4-1 is provided with a first mounting hole corresponding to the first mounting hole, and the first mounting bracket 3 passes through the first mounting hole and the first through The first fastening component after the fitting hole is fixedly connected to the body flow tank 4. Wherein, the first fastening component comprises a bolt and a nut matched with the bolt.

In this embodiment, the number of the first mounting holes is two, that is, the first mounting hole 3-1-1 and the first mounting hole 3-1-2, and the first mounting hole 3-1-1 and the first The mounting hole 3-1-2 is symmetrically disposed centering on the center of the mounting plate 3-1 to further improve the connection reliability between the mounting plate 3-1 and the body flow tank 4. During installation, only the first mounting hole on the mounting plate 3-1 and the first mounting hole on the body water tank 4 are sequentially passed through the bolt, and then tightened by a nut, and further, a gasket may be further included. The outer surface of the body flow tank 4 is prevented from being worn.

In addition to the above-described manner of bolting, welding may be employed to fix the first mounting bracket 3 to the body flow tank 4. Specifically, the mounting plate 3-1 is provided with a process via for the welding gun to pass through to weld the first mounting bracket 3 and the transition portion 4-1. The welding method has the advantages of simple process, convenient forming, low production cost, and can realize dissimilar metal or non-metal connection and good connection effect.

Specifically, in the embodiment, the second mounting bracket 6 is a second ball joint 6-1 and a mounting seat 6-2 connected to the second ball joint 6-1, and the second ball joint 6-1 is used. The slewing connection with the gas spring is realized by the second ball joint 6-1, so that the gas spring drives the tailgate 5 to open or close with respect to the body water tank 4, and the mounting seat 6-2 Used for fixed connection with the tailgate 5 of the car. Preferably, the second ball joint 6-1 can be integrally formed with the mounting seat 6-2, which is high in productivity and can improve the overall structural strength of the second mounting bracket 6.

Specifically, the mounting seat 6-2 is provided with a boss 6-3, and the tailgate 5 of the automobile is provided with a card slot corresponding to the boss 6-3; the second mounting bracket 6 is engaged with the card slot through the boss 6-3, It is realized to be fixedly connected to the tailgate 5 of the automobile. In this embodiment, the bottom of the mounting seat 6-2 is provided with a boss 6-3, the tailgate 5 of the automobile is provided with a card slot, and the boss 6-3 is inserted into the card slot, thereby realizing the second mounting bracket 6 and the tail of the vehicle. The fixed connection of the door 5 has a simple structure, and the assembly and disassembly operation is simple and the fixing effect is good.

In addition to the above-mentioned connection method, the second mounting bracket 6 can also be fixedly connected to the tailgate 5 of the automobile by bolting. Specifically, the mounting seat 6-2 is provided with a second mounting hole, and the automobile tailgate 5 is provided with a second mounting hole corresponding to the second mounting hole, and the second mounting bracket 6 passes through the second mounting hole and the second mounting hole in sequence. The rear second fastening component is fixedly coupled to the tailgate 5 of the vehicle. Wherein, the second fastening component comprises a bolt and a nut matched with the bolt. When installing, it only needs to pass through the second mounting hole on the mounting seat 6-2 and the second mounting hole on the tailgate 5 of the vehicle, and then tightened by a nut, and further, may further include a gasket to It is advantageous to prevent the surface of the tailgate 5 from being worn.

The present invention also provides an automobile, which has all of the above beneficial effects due to the installation of the tailgate gas spring mounting structure described in the above technical solution, and details are not described herein again.

In summary, the present invention provides a tailgate gas spring mounting structure, including a vehicle tailgate, a body flow tank and a gas spring. One end of the gas spring is connected with a first mounting bracket, and the gas spring passes through the first mounting bracket and the vehicle body. The water tank is hinged; the other end of the gas spring is connected with a second mounting bracket, and the gas spring is hinged to the tailgate of the automobile through the second mounting bracket; the upper surface of the body flow tank is provided with a transition portion of the inner recess, and the first mounting bracket is fixed at the transition And a plane at which the junction of the first mounting bracket and the transition portion is located is at an angle to the plane of the axis of the gas spring in the closed state. According to the tailgate gas spring mounting structure provided by the present invention, an inwardly recessed transition portion is added to the body flow water tank, and the connection portion of the first mounting bracket and the transition portion is connected by the transition portion and the gas spring. The plane is disposed at an angle with the plane of the axis of the gas spring in the closed state. When the gas spring is in the closed state, the tensile force of the connection between the first mounting bracket and the transition portion can be effectively weakened; when the gas spring is in the open state, The overall force of the joint between the first mounting bracket and the transition portion is effectively weakened, and the structure can be prevented from being deformed and cracked when the gas spring load of the tailgate is opened and closed, which is advantageous for prolonging the durability of the structure and reliable connection of the structure. Sex.

It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, and are not limited thereto; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that The technical solutions described in the foregoing embodiments are modified, or the equivalents of the technical features are replaced. The modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims (10)

1. A tailgate gas spring mounting structure, comprising a vehicle tailgate, a body flow tank and a gas spring, wherein: one end of the gas spring is connected with a first mounting bracket, and the gas spring passes through the first mounting bracket The other end of the gas spring is connected with a second mounting bracket, and the gas spring is hinged to the tailgate of the automobile through the second mounting bracket; the upper surface of the body flow tank is opened a transition portion of the inner recess, the first mounting bracket is fixed to the transition portion, and a plane where the connection between the first mounting bracket and the transition portion is located and an axis of the gas spring in a closed state The plane is set at an angle.
2. The tailgate gas spring mounting structure according to claim 1, wherein the transition portion includes a first recess and a second recess connected to the first recess, the first recess and the second recess being jointly defined An installation area recessed inwardly is formed, and the first mounting bracket is coupled to the first recess.
3. The tailgate gas spring mounting structure according to claim 1, wherein the first mounting bracket comprises a mounting plate and a connecting plate extending from one end of the mounting plate, the mounting plate and the transition portion Connected, the connecting plate is provided with a first ball joint for articulating with the gas spring.
4. The tailgate gas spring mounting structure according to claim 3, wherein the mounting plate is provided with a first mounting hole, and the transition portion is provided with a first mounting hole corresponding to the first mounting hole, The first mounting bracket is fixedly coupled to the body flow tank by a first fastening component that passes through the first mounting hole and the first mounting hole in sequence.
5. A tailgate gas spring mounting structure according to claim 4, wherein said first fastening assembly comprises a bolt and a nut that cooperates with said bolt.
6. The tailgate gas spring mounting structure according to claim 3, wherein the mounting plate is provided with a process via for the welding gun to pass through to weld the first mounting bracket and the transition portion.
7. The tailgate gas spring mounting structure according to claim 1, wherein the second mounting bracket is a second ball joint and a mounting bracket connected to the second ball joint, the second ball hinged A head is used for articulation with the gas spring, the mount being for fixed connection with the tailgate of the vehicle.
8. The tailgate gas spring mounting structure according to claim 7, wherein the mounting seat is provided with a boss, and the tailgate of the automobile is provided with a card slot corresponding to the boss; the second mounting bracket passes The boss is engaged with the card slot to achieve a fixed connection with the tailgate of the automobile.
9. The tailgate gas spring mounting structure according to claim 7, wherein the mounting seat is provided with a second mounting hole, and the tailgate of the automobile is provided with a second mounting hole corresponding to the second mounting hole. The second mounting bracket is fixedly connected to the tailgate of the vehicle by a second fastening component that passes through the second mounting hole and the second mounting hole in sequence.
10. A vehicle characterized by comprising a tailgate gas spring mounting structure according to any one of claims 1-9.

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