Four-wheel drive system repair auxiliary tool

Abstract

The utility model provides an auxiliary tool for repairing a four-wheel drive system, relates to the technical field of vehicles, and solves the technical problems that a steering knuckle assembly is easy to rotate and a nut on the steering knuckle assembly is difficult to disassemble when the nut on the steering knuckle assembly is disassembled. The four-wheel-drive system repairing auxiliary tool comprises a screw body, a locking device and at least two positioning pieces, the screw body is sleeved with the positioning pieces, the positions of the positioning pieces on the screw body are adjustable, and therefore the positioning pieces are arranged and positioned on different studs of a steering knuckle assembly in a sleeving mode; the locking device is fixedly connected to the screw body and can lock the brake caliper. By using the four-wheel drive system repair assistive device, the brake caliper can be locked, the steering knuckle assembly is prevented from rotating when the nut in the middle is disassembled, the nut on the steering knuckle assembly is convenient to disassemble, the use is convenient, and the working efficiency during repair is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of vehicles, in particular to an auxiliary tool for repairing a four-wheel drive system. Background Art

[0002] A four-wheel drive vehicle model means that the transmission distributes the power of the engine to the front and rear tires of the vehicle, enabling the four wheels to complete the driving of the vehicle. Inevitably, there are some projects that need to be repaired during the production process of four-wheel drive vehicle models.

[0003] The four-wheel drive system includes the following components: a steering shaft, a drive shaft, a transfer case, a front universal drive device, a front drive axle, a rear universal drive device, and a rear drive axle, etc. When any of the above components is repaired, the rotation generated will be transmitted by the drive shaft to the four tires, resulting in the co-rotation of the four wheels simultaneously during the repair, which affects the repair.

[0004] Currently, the repair technology uses the in-vehicle EPB electronic parking brake system for auxiliary repair. Before the repair, the repair personnel turn on the EPB electronic parking brake system to make the four wheels have a braking effect and reduce the co-rotation frequency. The rotation generated during the repair is borne by the EPB controller.

[0005] The applicant of the present invention has found that the prior art has at least the following technical problems: when disassembling the nut in the middle of the steering knuckle assembly, the steering knuckle assembly is prone to rotate, making it difficult to disassemble the nut on the steering knuckle assembly. Summary of the Utility Model

[0006] The purpose of the present invention is to provide an auxiliary tool for repairing a four-wheel drive system to solve the technical problems existing in the prior art that when disassembling the nut on the steering knuckle assembly, the steering knuckle assembly is prone to rotate and it is difficult to disassemble the nut on the steering knuckle assembly; the many technical effects that can be produced by the preferred technical solutions provided by the present invention will be described in detail below.

[0007] To achieve the above purpose, the present invention provides the following technical solutions:

[0008] The auxiliary tool for repairing a four-wheel drive system provided by the present invention includes a screw body, a locking device, and at least two positioning members, wherein:

[0009] The positioning member is sleeved on the screw body, and the position of the positioning member on the screw body is adjustable, so that the positioning member is sleeved and positioned on different studs of the steering knuckle assembly;

[0010] The locking device is fixedly connected to the screw body, and the locking device can lock the brake caliper.

[0011] Preferably, the screw body includes a transverse rod and a longitudinal rod, wherein:

[0012] The transverse rod is fixedly connected to the longitudinal rod. The transverse rod is an externally threaded rod, the positioning member is threadedly connected to the transverse rod, and the locking device is sleeved on the longitudinal rod.

[0013] Preferably, the positioning member includes a positioning nut and a positioning sleeve, wherein:

[0014] The positioning nut is threadedly connected to the transverse rod, and the positioning sleeve is fixedly connected to the positioning nut and is used for sleeving on the stud of the steering knuckle assembly.

[0015] Preferably, the two positioning members are respectively distributed on both sides of the longitudinal rod.

[0016] Preferably, the position of the locking device on the longitudinal rod is adjustable.

[0017] Preferably, the longitudinal rod is an externally threaded rod, and the locking device is threadedly connected to the longitudinal rod, so as to adjust the position of the locking device on the longitudinal rod.

[0018] Preferably, the locking device includes a nut member and a locking piece which are fixedly connected, wherein:

[0019] The nut member is threadedly connected to the longitudinal rod, and the locking piece can be inserted into the braking hole position of the brake caliper.

[0020] Preferably, the locking piece is arranged towards the transverse rod.

[0021] Preferably, limiting nuts are arranged on opposite sides of the nut member, and the limiting nuts are threadedly connected to the longitudinal rod.

[0022] Preferably, a plugging end is arranged on the screw body, and the plugging end is located on opposite sides of all the positioning members and is used to prevent the positioning members from coming out of the screw body.

[0023] Compared with the prior art, the four-wheel drive system repair aid provided by the present utility model has the following beneficial effects: the positioning sleeve is sleeved on the stud of the steering knuckle assembly, and the two positioning members can be sleeved and positioned on two different studs of the steering knuckle assembly. At the same time, the locking device locks the brake caliper. When using this four-wheel drive system repair aid, it is possible to prevent the steering knuckle assembly from rotating when removing the nut in the middle while locking the brake caliper, which is convenient for removing the nut on the steering knuckle assembly, is easy to use, and improves the working efficiency during repair. Description of the Drawings

[0024] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0025] Figure 1 is the overall structural schematic diagram of the four-wheel drive system repair auxiliary tool;

[0026] Figure 2 is the side view of the four-wheel drive system repair auxiliary tool;

[0027] Figure 3 is the top view of the four-wheel drive system repair auxiliary tool;

[0028] Figure 4 is the structural schematic diagram of the four-wheel drive system repair auxiliary tool cooperating with the steering knuckle assembly and the brake caliper.

[0029] In the figure, 1 is the screw body; 11 is the transverse rod; 12 is the longitudinal rod; 21 is the positioning nut; 22 is the positioning sleeve; 3 is the locking device; 31 is the locking piece; 32 is the nut part; 4 is the limit nut; 5 is the sealing end; 10 is the brake caliper; 20 is the steering knuckle assembly; 30 is the stud. Specific embodiments

[0030] To make the objectives, technical solutions, and advantages of the present invention clearer, the following will describe the technical solutions of the present invention in detail. Obviously, the described embodiments are only some embodiments of the present invention, rather than all embodiments. Based on the embodiments of the present invention, all other implementation manners obtained by those of ordinary skill in the art without creative efforts belong to the scope protected by the present invention.

[0031] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "center", "length", "width", "height", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "side", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present invention. In the description of the present invention, unless otherwise specified, the meaning of "a plurality" is two or more.

[0032] In the description of the present utility model, it should also be noted that, unless otherwise clearly specified and defined, the terms "set", "installed", "connected", and "coupled" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0033] The embodiment of the present utility model provides a four-wheel drive system repair auxiliary tool, which is convenient for disassembling the nuts on the steering knuckle assembly, easy to use, and improves the work efficiency during repair.

[0034] The following Figures 1 - 4 will elaborate on the technical solution provided by the present utility model in more detail.

[0035] Refer to Figures 1 - 4 As shown, the four-wheel drive system repair auxiliary tool provided by the present utility model includes a screw body 1, a locking device 3, and at least two positioning members. Among them: the positioning members are sleeved on the screw body 1, and the positions of the positioning members on the screw body 1 are adjustably set, so that the positioning members are sleeved and positioned on different studs 30 of the steering knuckle assembly 20; the locking device 3 is fixedly connected to the screw body 1, and the locking device 3 can lock the brake caliper 10.

[0036] For the four-wheel drive system repair auxiliary tool of this embodiment, the positioning members are sleeved on the studs 30 of the steering knuckle assembly 20. Two positioning members can be sleeved and positioned on two different studs 30 of the steering knuckle assembly 20, and at the same time the locking device 3 locks the brake caliper 10. When using this four-wheel drive system repair auxiliary tool, it can prevent the steering knuckle assembly 20 from rotating when disassembling the middle nut while locking the brake caliper 10, which is convenient for disassembling the nuts on the steering knuckle assembly 20, easy to use, and improves the work efficiency during repair.

[0037] As an optional implementation manner, refer to Figure 1 As shown, the screw body 1 includes a transverse rod 11 and a longitudinal rod 12. Among them: the transverse rod 11 is fixedly connected to the longitudinal rod 12, the transverse rod 11 is an external threaded rod, the positioning member is threadedly connected to the transverse rod 11, and the locking device 3 is sleeved on the longitudinal rod 12.

[0038] The above structure facilitates the adjustment of the position of the positioning member on the transverse rod 11 and prevents the positioning member from interfering with the locking device 3.

[0039] As an optional implementation manner, refer to Figure 1As shown, the positioning member includes a positioning nut 21 and a positioning sleeve 22 that are fixedly connected. Specifically: The positioning nut 21 is threadedly connected to the transverse rod 11, and the positioning sleeve 22 is fixedly connected to the positioning nut 21 and is used to sleeved on the stud 30 of the steering knuckle assembly 20. Two positioning members are respectively distributed on both sides of the longitudinal rod 12.

[0040] By rotating the positioning nut 21, the distance of the positioning member on the transverse rod 11 can be adjusted, so that the positioning sleeve is sleeved on different studs 30, adapting to the distance between different studs 30 and improving the applicable range.

[0041] As an optional implementation manner, the position of the locking device 3 on the longitudinal rod 12 is adjustable, which facilitates the positioning or disassembly of the locking device 3 and the brake caliper 10.

[0042] As an optional implementation manner, see Figure 1 and Figure 4 As shown, the longitudinal rod 12 of this embodiment is an externally threaded rod, and the locking device 3 is threadedly connected to the longitudinal rod 12, thereby adjusting the position of the locking device 3 on the longitudinal rod 12.

[0043] Specifically, see Figure 1 and Figure 4 As shown, the locking device 3 includes a nut member 32 and a locking piece 31 that are fixedly connected. Specifically: The nut member 32 is threadedly connected to the longitudinal rod 12. See Figure 4 , and the locking piece 31 can be inserted into the brake hole position of the brake caliper 10. The locking piece 31 is arranged facing the transverse rod 11.

[0044] By rotating the nut member 32, the locking piece 31 can be moved along the length direction of the longitudinal rod 12, adjusting the position of the locking piece 31 on the longitudinal rod 12, thereby facilitating the positioning or disassembly of the locking device 3 and the brake caliper 10.

[0045] As an optional implementation manner, see Figure 1 As shown, limit nuts 4 are arranged on opposite sides of the nut member 32, and the limit nuts 4 are threadedly connected to the longitudinal rod 12.

[0046] The limit nuts 4 can be located on both sides of the locking device 3 to limit the position of the locking device 3 and improve the structural stability.

[0047] As an optional implementation manner, see Figure 1 As shown, a sealing end 5 is arranged on the screw body 1, and the sealing end 5 is located on opposite sides of all the positioning members and is used to prevent the positioning members from coming out of the screw body 1, improving the structural stability.

[0048] See Figure 1 As shown, a sealing end 5 is also arranged at the lower end of the longitudinal rod 12 to prevent the locking device 3 from detaching from the threaded rod, improving the structural stability.

[0049] In the description of this specification, specific features, structures, or characteristics may be combined in any one or more embodiments or examples in a suitable manner.

[0050] In the description of this specification, the description referring to terms such as "one embodiment", "some embodiments", "example", "specific example", or "some examples", etc. means that the specific features, structures, materials, or characteristics described in connection with that embodiment or example are included in at least one embodiment or example of the present utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, without contradiction, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of different embodiments or examples.

[0051] As described above, it is only the specific implementation manner of the present utility model, but the protection scope of the present utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present utility model can easily think of changes or substitutions, which should all be covered within the protection scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claimed rights.

Claims

1. A repair auxiliary tool for a four-wheel drive system, characterized in that, Comprising a screw body, a locking device and at least two positioning members, wherein: The positioning members are sleeved on the screw body, and the positions of the positioning members on the screw body are adjustably arranged, so that the positioning members are sleeved and positioned on different studs of the steering knuckle assembly; The locking device is fixedly connected to the screw body, and the locking device can lock the brake caliper.

2. The repair auxiliary tool for the four-wheel drive system according to claim 1, characterized in that The screw body includes a transverse rod and a longitudinal rod, wherein: The transverse rod is fixedly connected to the longitudinal rod. The transverse rod is an externally threaded rod, the positioning member is threadedly connected to the transverse rod, and the locking device is sleeved on the longitudinal rod.

3. The repair auxiliary tool for the four-wheel drive system according to claim 2, characterized in that The positioning member includes a positioning nut and a positioning sleeve, wherein: The positioning nut is threadedly connected to the transverse rod, and the positioning sleeve is fixedly connected to the positioning nut and is used for sleeving on different studs of the steering knuckle assembly.

4. The four-wheel drive system repair auxiliary tool according to claim 2, wherein The two positioning members are respectively distributed on both sides of the longitudinal rod.

5. The repair aid for four-wheel drive systems according to claim 2, characterized in that, The position of the locking device on the longitudinal rod is adjustably arranged.

6. The four-wheel drive system repair auxiliary tool according to claim 2 or 5, characterized in that, The longitudinal rod is an externally threaded rod, and the locking device is threadedly connected to the longitudinal rod, so as to adjust the position of the locking device on the longitudinal rod.

7. The repair auxiliary tool for the four-wheel drive system according to claim 2, characterized in that, The locking device includes a nut member and a locking piece fixedly connected, wherein: The nut member is threadedly connected to the longitudinal rod, and the locking piece can be inserted into the brake hole position of the brake caliper.

8. The repair auxiliary tool for four-wheel drive systems according to claim 7, characterized in that, The locking piece is arranged towards the transverse rod.

9. The repair auxiliary tool for the four-wheel drive system according to claim 7, characterized in that Limit nuts are arranged on opposite sides of the nut member, and the limit nuts are threadedly connected to the longitudinal rod.

10. The four-wheel drive system repair auxiliary tool according to claim 1, characterized in that, A blocking end is arranged on the screw body, and the blocking end is located on opposite sides of all the positioning members and is used to prevent the positioning members from disengaging from the screw body.

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