Automobile rear cover hinge structure with gear transmission

Abstract

The utility model discloses an automobile rear cover hinge structure with a gear transmission function, which relates to the technical field of automobile parts and comprises a bent pipe, a connecting piece is arranged on one side of the bent pipe, and a gear ring assembly is arranged on the connecting piece. The gear ring assembly comprises a gear ring support, a rivet is arranged on the gear ring support, the gear ring support is rotationally connected with the connecting piece through the rivet, the rivet penetrates through the connecting piece and is fixedly connected with the connecting piece through a lining, a gear ring is arranged at the lower end of the gear ring support, an end cover is arranged on one side of the gear ring support, and the end cover is fixedly connected with the middle of the connecting piece. According to the utility model, a tension spring and gas spring structure which is always adopted is abandoned from the structure, and the conventional spring tension driving is changed into motor driving, so that the problem that the opening speed is reduced or the opening is not in place due to the attenuation of the spring force after a vehicle is used for a long time is effectively avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile parts, and specifically is automobile rear cover hinge structure with gear transmission. BACKGROUND

[0002] The conventional automobile rear cover hinge usually refers to the main mechanical part for connecting the automobile rear cover (trunk cover) and the vehicle body, and is usually made of metal and includes a hinge arm, a hinge pin, a fixing seat and other parts. These parts jointly act to enable the rear cover to rotate around the hinge shaft to open and close, and when the trunk needs to be opened, the user can pull the handle or button of the rear cover to lift the rear cover through the rotation of the hinge, and when closing, the rear cover is put down, and the hinge arm returns to the initial position, and the rear cover is tightly closed with the vehicle body.

[0003] With the passage of time and frequent use, the gas spring or torsion spring may have force attenuation, resulting in a decrease in the opening speed of the rear cover or failure to open to the position, and once the spring force is attenuated, it is usually difficult to adjust and may need to replace the entire spring.

[0004] Based on this, the automobile rear cover hinge structure with gear transmission is provided, which can eliminate the drawbacks of the prior art. SUMMARY

[0005] The utility model discloses a purpose to provide automobile rear cover hinge structure with gear transmission to solve the problem in the background art.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] The automobile rear cover hinge structure with gear transmission includes an elbow pipe, a connecting piece is arranged on one side of the elbow pipe, and a gear ring assembly is arranged on the connecting piece;

[0008] The gear ring assembly includes a gear ring support, a rivet is arranged on the gear ring support and is rotationally connected with the connecting piece through the rivet, the rivet penetrates the connecting piece and is fixedly connected with the connecting piece through a bushing, a gear ring is arranged at the lower end of the gear ring support, an end cover is arranged on one side of the gear ring support, the end cover is fixedly connected with the middle part of the connecting piece, a gear shaft is arranged to penetrate the middle part of the end cover, one end of the gear shaft is engaged with the gear ring, and the other end is threadedly connected with a gear shaft nut, and a tension spring hanging pin is arranged at one end of the gear shaft nut.

[0009] On the basis of the above technical scheme, the utility model also provides the following optional technical schemes:

[0010] In an optional scheme, a connecting plate is fixedly connected on one side of the elbow pipe.

[0011] In an optional scheme, a buffer assembly is arranged on one side of the connecting piece.

[0012] In an alternative: the buffer assembly includes a buffer bracket, one end of the buffer bracket is fixedly connected with one side of the connecting piece, and one end of the buffer bracket is slidably connected with a buffer block.

[0013] In an alternative: a motor shaft is provided through one side of the middle part of the connecting piece.

[0014] In an alternative: a connecting assembly is provided on the upper end of the gear ring bracket.

[0015] In an alternative: the connecting assembly includes a vehicle body piece, one side of the vehicle body piece is provided on one side of the upper end of the gear ring bracket, one side of the vehicle body piece is provided with a plurality of press-in bolts, the press-in bolts are provided through the gear ring bracket and the vehicle body piece and are threadedly connected with corresponding nuts.

[0016] In an alternative: the vehicle body piece is provided with a hinge and the other end is connected with the vehicle body.

[0017] Compared with the prior art, the utility model has the beneficial effects as follows:

[0018] The utility model discloses from the structure abandon the always used tension spring and air spring structure, change the spring tension drive of the past to the motor drive, effectively avoid the problem of the opening speed drop or the opening not in place because of the spring force attenuation after the long use of the vehicle, successfully introduce the gear meshing transmission, change the non-uniform speed opening movement under the past structure to the uniform speed opening movement, and several opening positions can be set according to the different needs of the user, thereby realizing individualization and differentiation. Moreover, the locking function of the gear after opening in place can realize the rigid fixing of the opening position of the luggage compartment cover, avoid the accidental closing caused by external force (such as strong wind), thereby effectively avoiding the human injury accident caused thereby. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is the overall structure schematic diagram of the utility model.

[0020] Figure 2 It is the gear ring assembly structure schematic diagram of the utility model.

[0021] Figure 3 It is the connecting piece structure schematic diagram of the utility model.

[0022] Figure 4 It is the elbow pipe structure schematic diagram of the utility model.

[0023] Reference signs annotation: 1, elbow; 2, connecting plate; 3, connecting piece; 4, gear ring support; 5, end cover; 6, vehicle body part; 7, buffer support; 8, buffer block; 9, bushing; 10, rivet; 11, gear ring; 12, motor shaft; 13, gear shaft; 14, gear shaft nut; 15, tension spring hanging pin; 16, nut; 17, press-in bolt. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical scheme and advantages of the utility model more clearly, the utility model is further described in detail below with reference to the drawings and examples.

[0025] In one embodiment, as shown in Figures 1-4 The hinge structure of the automobile rear cover with gear transmission comprises an elbow 1, one side of the elbow 1 is provided with a connecting piece 3, and a gear ring assembly is arranged on the connecting piece 3.

[0026] The gear ring assembly comprises a gear ring support 4, the gear ring support 4 is rotatably connected with the connecting piece 3 through a rivet 10 arranged on the gear ring support 4, the rivet 10 penetrates through the connecting piece 3 and is fixedly connected with the connecting piece 3 through a bushing 9, a gear ring 11 is arranged at the lower end of the gear ring support 4, an end cover 5 is arranged at one side of the gear ring support 4, the end cover 5 is fixedly connected with the middle part of the connecting piece 3, a gear shaft 13 is arranged to penetrate through the middle part of the end cover 5, one end of the gear shaft 13 is engaged with the gear ring 11 and the other end is threadedly connected with a gear shaft nut 14, and the gear shaft nut 14 is provided with a tension spring hanging pin 15 at one end.

[0027] In the embodiment, the tension spring hanging pin 15 is driven to drive the gear shaft 13 to rotate, the gear ring support 4 is driven to rotate through the engagement between the gear shaft 13 and the gear ring 11, and the vehicle door is driven to start rotating.

[0028] In one embodiment, as shown in Figure 1 The elbow 1 is fixedly connected with a connecting plate 2 at one side.

[0029] In one embodiment, as shown in Figure 1 The connecting piece 3 is provided with a buffer assembly at one side.

[0030] In one embodiment, as shown in Figure 1 The buffer assembly comprises a buffer support 7, one end of the buffer support 7 is fixedly connected with one side of the connecting piece 3, and the buffer support 7 is slidably connected with a buffer block 8 at one end.

[0031] In one embodiment, as shown in Figure 1As shown, the middle of the connecting piece 3 is provided with a motor shaft 12, which improves the transmission effect.

[0032] In one embodiment, as shown in the figure, Figure 1 As shown, the upper end of the tooth ring support 4 is provided with a connecting assembly.

[0033] In one embodiment, as shown in the figure, Figure 1 As shown, the connecting assembly includes a vehicle body part 6, which is provided on one side of the upper end of the tooth ring support 4. The vehicle body part 6 is provided with a plurality of press-in bolts 17 on one side, which penetrate the tooth ring support 4 and the vehicle body part 6 and are threadedly connected with corresponding nuts 16. Then, the tooth ring support 4 is connected with the designated position of the vehicle through the vehicle body part 6, so as to realize the connection of the device with the vehicle and the rear cover.

[0034] In one embodiment, as shown in the figure, Figure 1 As shown, the vehicle body part 6 is provided with a hinge and the other end is connected with the vehicle body.

[0035] The above embodiment discloses a hinge structure of the rear cover of the vehicle with gear transmission. The elbow pipe 1 is fixedly connected with the corresponding position of the vehicle through the connecting plate 2, and then the tooth ring support 4 is connected with the designated position of the vehicle through the vehicle body part 6, so as to realize the connection of the device with the vehicle and the rear cover. Then, the driving is started, the driving tension spring hanging pin 15 is driven, so as to drive the rotation of the gear shaft 13, the rotation of the tooth ring support 4 body is driven through the meshing of the gear shaft 13 and the tooth ring 11, so as to drive the rotation of the vehicle door. At the same time, the setting of the buffer support 7 and the buffer block 8 also effectively improves the buffering effect of the device, and prevents the connecting piece 3 from colliding with the vehicle body part due to excessive rotation.

[0036] The above is only a specific embodiment of the present application, but the protection scope of the present application is not limited thereto. Any person skilled in the art can easily think of changes or replacements within the technical range disclosed in the present application, which shall be covered within the protection scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims

1. A gear-driven automobile rear cover hinge structure, comprising an elbow pipe (1), one side of the elbow pipe (1) is provided with a connecting piece (3), and a gear ring assembly is arranged on the connecting piece (3); characterized in that the gear ring assembly comprises a gear ring support (4), the gear ring support (4) is provided with a rivet (10) and is rotationally connected with the connecting piece (3) through the rivet (10), the rivet (10) penetrates through the connecting piece (3) and is fixedly connected with the connecting piece (3) through a bushing (9), a gear ring (11) is arranged at the lower end of the gear ring support (4), an end cover (5) is arranged on one side of the gear ring support (4), the end cover (5) is fixedly connected with the middle part of the connecting piece (3), a gear shaft (13) is arranged through the middle part of the end cover (5), one end of the gear shaft (13) is engaged with the gear ring (11) and the other end is threadedly connected with a gear shaft nut (14), and one end of the gear shaft nut (14) is provided with a tension spring hanging pin (15).

2. The automobile deck lid hinge structure with a gear transmission according to claim 1, characterized by, One side of the elbow pipe (1) is fixedly connected with a connecting plate (2).

3. The automobile deck lid hinge structure with a gear transmission according to claim 1, characterized by, One side of the connecting piece (3) is provided with a buffer assembly.

4. The automobile deck lid hinge structure with a gear transmission according to claim 3, characterized by, The buffer assembly comprises a buffer support (7), one end of the buffer support (7) is fixedly connected with one side of the connecting piece (3), and a buffer block (8) is slidably connected with one end of the buffer support (7).

5. The automobile deck lid hinge structure with a gear transmission according to claim 1, characterized by, A motor shaft (12) is arranged through one side of the middle part of the connecting piece (3).

6. The automobile deck lid hinge structure with a gear transmission according to claim 1, characterized by A connecting assembly is arranged at the upper end of the gear ring support (4).

7. The automobile deck lid hinge structure with a gear transmission according to claim 6, characterized by The connecting assembly comprises a vehicle body piece (6), one side of the vehicle body piece (6) is arranged on one side of the upper end of the gear ring support (4), a plurality of press-in bolts (17) are arranged on one side of the vehicle body piece (6), the press-in bolts (17) penetrate through the gear ring support (4) and the vehicle body piece (6) and are threadedly connected with corresponding nuts (16).

8. The automobile deck lid hinge structure with a gear transmission according to claim 7, characterized by, The vehicle body piece (6) is provided with a hinge at the other end and is connected with a vehicle body.

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