Wire harness storage structure, wire harness device, and vehicle

Abstract

The utility model provides a wire harness storage structure, a wire harness device and a vehicle, and relates to the technical field of vehicles. The wire harness storage structure comprises a shell and a winding and unwinding mechanism, and the winding and unwinding mechanism is used for winding and unwinding wire harnesses. The winding and unwinding mechanism comprises a limiting piece and a reset piece, the limiting piece is rotatably arranged on the shell and used for winding the wire harness, one end of the reset piece is connected with the shell, the other end of the reset piece is connected with the limiting piece, and the reset piece is configured to accumulate potential energy when the limiting piece rotates to release the wire harness under external force. And after the external force applied to the limiting piece is removed, the limiting piece is driven to rotate so as to wind the wire harness. By arranging the limiting piece and the reset piece, the wire harness can be stably wound and unwound, so that the length of the wire harness can dynamically adapt to the change of the distance between the two plug connectors connected with the wire harness. The wire harness can be stored, the space occupied by the wire harness is reduced, the distance between the two ends of the wire harness can be dynamically adjusted, and therefore the use flexibility of the wire harness is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of vehicles, in particular to a wire harness storage structure, a wire harness device and a vehicle. BACKGROUND

[0002] The electrical system of a vehicle usually includes a large number of wire harnesses, such as low-voltage wire harnesses, to facilitate electrical connection. In the related art, the wire harness is usually designed with a redundant amount, but the excessively long wire harness occupies a large space. Although in the related art, the redundant part of the wire harness can be wound by a wire harness storage structure, the structure cannot meet the electrical connection of two plug-in connectors with relative motion. SUMMARY

[0003] The embodiments of the present application provide a wire harness storage structure, a wire harness device and a vehicle to improve the use flexibility of the wire harness.

[0004] In order to achieve the above-mentioned purpose, according to a first aspect of the present application, a wire harness storage structure is provided, comprising a housing and a winding and unwinding mechanism, the winding and unwinding mechanism being used to realize winding and unwinding of the wire harness; wherein the winding and unwinding mechanism comprises a limiting piece and a restoring piece, the limiting piece being rotatably arranged in the housing, the limiting piece being used to wind the wire harness, one end of the restoring piece being connected to the housing, the other end of the restoring piece being connected to the limiting piece, the restoring piece being configured to accumulate potential energy when the limiting piece is rotated by an external force to release the wire harness, and driving the limiting piece to rotate back to wind the wire harness after the external force acting on the limiting piece is removed.

[0005] In a possible implementation manner, one of the housing and the limiting piece is provided with a guide groove, and the other is provided with a matching part matched with the guide groove, the matching part being embedded in the guide groove to guide the rotation of the limiting piece.

[0006] In a possible implementation manner, in the same projection plane perpendicular to the rotation axis of the limiting piece, at least one of the orthographic projection of the limiting piece and the orthographic projection of the guide groove is a circular ring.

[0007] In a possible implementation manner, the limiting piece is in a cylindrical shape, and the restoring piece is located on the inner side of the limiting piece.

[0008] In a possible implementation manner, the limiting piece is provided with a first clamping groove for clamping the wire harness; and / or, the limiting piece is provided with a second clamping groove, and the end of the restoring piece is clamped into the second clamping groove.

[0009] In a possible implementation manner, along the extension direction of the rotation axis of the limiting piece, the openings of the first clamping groove and the second clamping groove are oriented in opposite directions.

[0010] In a possible implementation, the first clamping groove is provided in two, and the two first clamping grooves are arranged at intervals around the rotation axis of the limiting member; the limiting member is further provided with a winding portion, and the winding portion is located between the two first clamping grooves, and the winding portion is used for winding the wire harness.

[0011] In a possible implementation, the wire harness storage structure further comprises a guide member, the guide member is arranged on the shell and located between the reset member and the winding portion, and a guide channel for the wire harness to pass through is defined between the guide member and the winding portion.

[0012] In a possible implementation, the guide member is arc-shaped in the orthographic projection on the projection plane perpendicular to the rotation axis of the limiting member.

[0013] In a possible implementation, the inner surface of the shell is provided with a fixing column, and the reset member is connected to the fixing column.

[0014] In a possible implementation, the fixing column is provided with a third clamping groove, and one end of the reset member is clamped into the third clamping groove.

[0015] In a possible implementation, the reset member is a spring.

[0016] In a possible implementation, the shell is provided with a first opening and a second opening, the first opening is used for the wire harness to extend out from one end, and the second opening is used for the wire harness to extend out from the other end.

[0017] In a possible implementation, the shell comprises a first shell and a second shell, the first shell and the second shell are detachably connected, and the first shell and the second shell define an accommodation space for accommodating the winding and unwinding mechanism.

[0018] In a possible implementation, one of the first shell and the second shell is provided with a fourth clamping groove, and the other is provided with a clamping protrusion matched with the fourth clamping groove, and the clamping protrusion is clamped with the fourth clamping groove.

[0019] In a possible implementation, the wire harness storage structure further comprises a connecting member arranged outside the shell.

[0020] In a possible implementation, the connecting member is a clamping member.

[0021] According to a second aspect of the present application, a wire harness device is provided, comprising the wire harness storage structure of any one of the first aspect and the wire harness, and the wire harness is wound on the limiting member.

[0022] In a possible implementation, the wire harness is in a band shape.

[0023] According to a third aspect of this application, a vehicle is provided that includes a wiring harness device according to any embodiment of the second aspect.

[0024] In the wire harness storage structure of this application embodiment, by providing a limiting member and a resetting member, the wire harness can be stably wound and unwound. This allows the length of the wire harness to dynamically adapt to changes in the distance between the two connected connectors. This not only stores the wire harness and reduces the space occupied by the wire harness, but also enables dynamic adjustment of the distance between the two ends of the wire harness, thereby improving the flexibility of the wire harness in use.

[0025] Other features and advantages of this application will be described in detail in the following detailed description section. Attached Figure Description

[0026] To more clearly illustrate the technical solutions in the embodiments of this application, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0027] To gain a more complete understanding of this application and its beneficial effects, the following description will be provided in conjunction with the accompanying drawings, wherein the same reference numerals in the following description denote the same parts.

[0028] Figure 1 An exploded view of the wire harness device provided in the embodiments of this application;

[0029] Figure 2 This is a partial structural schematic diagram of the wire harness device provided in the embodiments of this application;

[0030] Figure 3 for Figure 2 Top view;

[0031] Figure 4 This is a schematic diagram of the structure of the limiting member provided in the embodiments of this application from one viewpoint;

[0032] Figure 5 A schematic diagram of the limiting member provided in an embodiment of this application from another perspective;

[0033] Figure 6 This is a schematic diagram of the structure of the first housing provided in an embodiment of this application from one viewpoint;

[0034] Figure 7 A schematic diagram of the structure of the first housing provided in an embodiment of this application from another perspective;

[0035] Figure 8 This is a schematic diagram of the structure of the second housing provided in an embodiment of this application from one viewpoint;

[0036] Figure 9 A structure schematic view of the second shell provided by the embodiment of the present application in another perspective view;

[0037] Figure 10 A side view of the wire harness device provided by the embodiment of the present application;

[0038] Explanation of reference signs:

[0039] 1000-wire harness device;

[0040] 100-wire harness storage structure;

[0041] 10-housing; 11-first shell; 111-guide groove; 112-fixing column; 1121-third clamping groove; 114-fourth clamping groove; 12-second shell; 121-clamping convex; 13-first opening; 14-second opening; 15-guide channel; 16-wire passing channel; 17-connecting column; 1122-fitting groove;

[0042] 20-winding and unwinding mechanism;

[0043] 21-limiting piece; 211-first clamping groove; 212-second clamping groove; 213-winding part;

[0044] 22-resetting piece;

[0045] 30-guiding piece;

[0046] 40-connecting piece;

[0047] 200-wire harness. DETAILED DESCRIPTION

[0048] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the present application.

[0049] When the wire harness connects two plug-in connectors with relative motion, for example, connecting the wire harness plug-in connector in the front cabin of the vehicle with the EPS motor power connector, the plug-in connector follows the rotation of the steering wheel, and for example, connecting the left and right front wheel speed small wire plug-in connectors with the wheel speed sensor plug-in connectors, the plug-in connector follows the rotation of the wheel, the distance between the two plug-in connectors changes, and the required length of the wire harness changes. At present, the wire harness storage structure can wind the redundant part of the wire harness, but cannot meet the electrical connection of the two plug-in connectors with relative motion.

[0050] According to a first aspect of the present application, a wire harness storage structure 100 is provided for use in a wire harness device 1000. Referring to Figures 1 to 3 For the structure related to the wire harness device 1000 provided by the embodiments of the present application, the wire harness device 1000 comprises the wire harness storage structure 100 and a wire harness 200, both ends of the wire harness 200 extend out of the wire harness storage structure 100, one end of the wire harness 200 is used for plugging with a plug of an electrical device, and the other end is used for plugging with a plug of another electrical device, so as to realize the electrical connection of the two electrical devices.

[0051] Referring to Figures 4 to 9 The wire harness storage structure 100 of the embodiments of the present application will be described in detail below with reference to the accompanying drawings.

[0052] The wire harness storage structure 100 comprises a housing 10 and a winding and unwinding mechanism 20, and the winding and unwinding mechanism 20 is used to realize the winding and unwinding of the wire harness 200. The winding and unwinding mechanism 20 comprises a limiting member 21 and a reset member 22, the limiting member 21 is rotatably arranged in the housing 10, the limiting member 21 is used to wind the wire harness 200, one end of the reset member 22 is connected to the housing 10, and the other end is connected to the limiting member 21. The reset member 22 is configured to accumulate potential energy when the limiting member 21 is released from external force to rotate the wire harness 200, and drive the limiting member 21 to rotate back to wind the wire harness 200 after the external force acting on the limiting member 21 is removed.

[0053] The wire harness 200 is wound on the limiting member 21. When the distance between the two plugs to be connected becomes shorter, the limiting member 21 winds the middle part of the wire harness 200, so as to avoid the redundant part of the wire harness 200 from being exposed. When the distance between the two plugs to be connected becomes longer, the limiting member 21 unwinds the middle part of the wire harness 200.

[0054] When the wire harness 200 is unwound, the limiting member 21 rotates to release the wire harness 200, so as to meet the positions of the two plugs, and at the same time, the reset member 22 accumulates potential energy. When the wire harness 200 is wound, the reset member 22 drives the limiting member 21 to reset, so as to wind the redundant part of the wire harness 200.

[0055] It should be noted that the reset force of the reset member 22 is smaller than the force of the relative movement of the two plugs. The movement of the plugs can drive the wire harness 200 to extend out of the housing 10 to adapt to the change of the position of the plugs. The reset force of the reset member 22 is smaller than the peeling force required for the separation of the wire harness 200 and the plugs after plugging. During the winding process, the plugs and the wire harness 200 can remain stably connected.

[0056] In the embodiment of the present application, the limiting member 21 and the resetting member 22 are arranged to stably wind and unwind the wire harness 200, which enables the length of the wire harness 200 to dynamically adapt to the distance change between the two plug-in connectors connected thereto. This not only enables the wire harness 200 to be accommodated and reduces the space occupied by the wire harness 200, but also enables dynamic adjustment of the distance between the two ends of the wire harness 200, thereby improving the use flexibility of the wire harness 200.

[0057] With reference to Figure 2 In some embodiments, the shell 10 is provided with a first opening 13 and a second opening 14, the first opening 13 is used for one end of the wire harness 200 to extend out, and the second opening 14 is used for the other end of the wire harness 200 to extend out.

[0058] The positions of the first opening 13 and the second opening 14 can be arranged as needed. For example, the first opening 13 and the second opening 14 are arranged on the opposite sides of the shell 10.

[0059] The shapes of the first opening 13 and the second opening 14 can be adapted to the shape of the wire harness 200. For example, the wire harness 200 is in a strip shape, and the first opening 13 and the second opening 14 are configured as rectangular openings.

[0060] In some embodiments, the shell 10 is of an integrated structure.

[0061] In other embodiments, the shell 10 is of a split structure to facilitate the assembly of the wire harness 200. With reference to Figure 1 、 Figure 6 、 Figure 7 、 Figure 8 and Figure 9 The shell 10 includes a first shell body 11 and a second shell body 12, the first shell body 11 is detachably connected with the second shell body 12, and the first shell body 11 and the second shell body 12 define a containing space containing the winding and unwinding mechanism 20.

[0062] In some embodiments, the first shell body 11 and the second shell body 12 are connected by a threaded member.

[0063] In other embodiments, the first shell body 11 and the second shell body 12 are connected by a positioning pin.

[0064] In yet other embodiments, the first shell body 11 and the second shell body 12 are clamped.

[0065] With reference to Figure 6 and Figure 9 In some embodiments, one of the first shell body 11 and the second shell body 12 is provided with a fourth clamping groove 114, and the other is provided with a clamping protrusion 121 matched with the fourth clamping groove 114, the clamping protrusion 121 and the fourth clamping groove 114 are matched to realize clamping of the first shell body 11 and the second shell body 12.

[0066] Exemplarily, the first shell 11 is provided with a fourth clamping slot 114, and the second shell 12 is provided with a clamping protrusion 121.

[0067] With reference to Figure 10 In some embodiments, the first shell 11 is sleeved on the second shell 12, which helps to improve the structural stability of the shell 10.

[0068] In some embodiments, one of the shell 10 and the limiting member 21 is provided with a guide slot 111, and the other is provided with a matching part matched with the guide slot 111, and the matching part is embedded in the guide slot 111 to guide the rotation of the limiting member 21.

[0069] Exemplarily, the first shell 11 is provided with a guide slot 111 on the side facing the second shell 12, and one end of the limiting member 21 is embedded in the guide slot 111. It can be understood that the end of the limiting member 21 close to the first shell 11 is the matching part. Of course, in other embodiments, the matching part can also be a protrusion protruding from the limiting member 21.

[0070] In some embodiments, at least one of the orthographic projection of the limiting member 21 and the orthographic projection of the guide slot 111 on the same projection plane perpendicular to the rotation axis of the limiting member 21 is a circular ring. This helps to improve the connection stability of the limiting member 21 and the shell 10, reduce the risk of the limiting member 21 coming out, and help the winding and unwinding mechanism 20 to stably wind and unwind the wire harness 200.

[0071] Exemplarily, the limiting member 21 is in a cylindrical shape, and the guide slot 111 is in a circular ring shape.

[0072] In some embodiments, the limiting member 21 is in a cylindrical shape, which helps the limiting member 21 to wind around the wire harness 200.

[0073] In some embodiments, the reset member 22 is located on the inner side of the limiting member 21. In this way, the space on the inner side of the limiting member 21 can be used to install the reset member 22, so that the structure of the winding and unwinding mechanism 20 is more compact, which helps to reduce the space occupation.

[0074] With reference to Figure 3 、 Figure 4 and Figure 5 In some embodiments, the limiting member 21 is provided with a first clamping slot 211, and the first clamping slot 211 is used to clamp the wire harness 200, which helps to reduce the assembly difficulty of the wire harness 200 and the limiting member 21.

[0075] In some embodiments, the limiting member 21 is provided with a second clamping slot 212, and the end of the reset member 22 is clamped into the second clamping slot 212, which helps to reduce the assembly difficulty of the reset member 22 and the limiting member 21.

[0076] It can be understood that the limiting member 21 is limited between the first shell 11 and the second shell 12, and the limiting member 21 can rotate in the guide groove 111, and one end of the reset member 22 is limited between the limiting member 21 and the first shell 11.

[0077] In some embodiments, the limiting member 21 is provided with a first clamping groove 211 for clamping the wire harness 200, and the limiting member 21 is provided with a second clamping groove 212, and the end of the reset member 22 is clamped into the second clamping groove 212. In the extension direction of the rotation axis of the limiting member 21, the openings of the first clamping groove 211 and the second clamping groove 212 face away from each other.

[0078] Exemplarily, the opening of the first clamping groove 211 faces the second shell 12, and the opening of the second clamping groove 212 faces the first shell 11.

[0079] In the embodiments of the present application, by setting the openings of the first clamping groove 211 and the second clamping groove 212 to face away from each other, the assembly direction of the wire harness 200 is opposite to the assembly direction of the reset member 22. During assembly, the reset member 22 can be assembled on the limiting member 21 from one side, and the wire harness 200 can be assembled on the limiting member 21 from the other side. This makes the assembly and disassembly process of the wire harness 200 not easily affect the connection between the reset member 22 and the limiting member 21, which helps to improve the maintainability of the wire harness storage structure 100.

[0080] Referring to Figure 4 and Figure 5 In some embodiments, the first clamping groove 211 is provided with two first clamping grooves 211, and the two first clamping grooves 211 are spaced apart around the rotation axis of the limiting member 21. The limiting member 21 is also provided with a winding portion 213 located between the two first clamping grooves 211, and the winding portion 213 is used for winding the wire harness 200. In this way, the wire harness 200 can be wound, and the risk of wire harness 200 slipping can be reduced to stabilize the wound wire harness 200.

[0081] Exemplarily, the two first clamping grooves 211 are located on the two opposite sides of the limiting member 21, one of the two first clamping grooves 211 is close to the first opening 13, and the other is close to the second opening 14.

[0082] Referring to Figure 3 and Figure 6 In some embodiments, the wire harness storage structure 100 further comprises a guide member 30, the guide member 30 is arranged on the outer shell 10 and located between the reset member 22 and the winding portion 213, and the guide member 30 and the winding portion 213 define a guide channel 15 for the wire harness 200 to pass through.

[0083] Exemplarily, the guide member 30 is arranged on the first shell 11. In some embodiments, the guide member 30 is integrally formed with the first shell 11.

[0084] In the embodiment, the guiding member 30 is arranged between the reset member 22 and the winding portion 213, so that the reset member 22 is not easy to contact the wire harness 200, which helps to reduce the friction between the reset member 22 and the wire harness 200 and reduce the risk of damage to the wire harness 200.

[0085] With reference to Figure 3 In some embodiments, the limiting member 21 and the side wall of the first shell 11 define a wire passing channel 16, both first clamping grooves 211 communicate the wire passing channel 16 with the guiding channel 15, and the first opening 13 and the second opening 14 both communicate with the wire passing channel 16. The wire harness 200 is arranged in the guiding channel 15 and extends from the first clamping groove 211 to the wire passing channel 16, one end of the wire harness 200 passes out of the first opening 13 through the wire passing channel 16, and the other end of the wire harness 200 passes out of the second opening 14 through the wire passing channel 16. For example, as shown in Figure 3 The counterclockwise rotation of the limiting member 21 can wind the wire harness 200, and the clockwise rotation of the limiting member 21 can unwind the wire harness 200.

[0086] In some embodiments, the guiding member 30 is arc-shaped in the orthographic projection on the projection plane perpendicular to the rotation axis of the limiting member 21. This makes the stress borne by the wire harness 200 uniformly distributed, which helps to reduce the wear of the wire harness 200 by the guiding member 30.

[0087] With reference to Figure 6 In some embodiments, the inner surface of the shell 10 is convexly provided with a fixing column 112, and the reset member 22 is connected to the fixing column 112, which helps to reduce the assembly difficulty of the reset member 22.

[0088] For example, the fixing column 112 is arranged on the inner surface of the first shell 11.

[0089] In some embodiments, the fixing column 112 is provided with a third clamping groove 1121, the opening of the third clamping groove 1121 faces the second shell 12, and one end of the reset member 22 is clamped into the third clamping groove 1121, which helps to reduce the assembly difficulty of the reset member 22.

[0090] In some embodiments, the reset member 22 is a spring.

[0091] In some embodiments, the reset member 22 is a volute spring (also known as a self-winding spring), which is in the shape of a volute and is made of a steel band or a steel wire.

[0092] With reference to Figure 6 , Figure 8 and Figure 9 In some embodiments, the second shell 12 is provided with a connecting column 17, the fixing column 112 is provided with an assembly groove 1122 matched with the connecting column 17, and the connecting column 17 and the assembly groove 1122 are inserted to connect the first shell 11 and the second shell 12.

[0093] In some embodiments, the bottom of the third clamping groove 1121 is lower than the bottom of the assembly groove 1122, and the end of the connecting column 17 is configured to abut against the reset member 22 after being inserted into the assembly groove 1122. This helps to improve the stability of the wire harness storage structure 100.

[0094] In some embodiments, the bottom of the third clamping groove 1121 is lower than the bottom of the assembly groove 1122 by 2mm to 4mm. For example, the bottom of the third clamping groove 1121 is lower than the bottom of the assembly groove 1122 by 3mm.

[0095] In some embodiments, the wire harness storage structure 100 further comprises a connecting member 40 arranged outside the housing 10 to facilitate the fixation of the wire harness storage structure 100 to the vehicle body.

[0096] For example, the connecting member 40 is arranged on the side of the first shell 11 away from the second shell 12.

[0097] In some embodiments, the connecting member 40 is a clamping member to facilitate the connection of the wire harness storage structure 100 to the metal bracket of the vehicle body through clamping.

[0098] In some embodiments, the clamping member is a clamping flower to facilitate the installation of the wire harness storage structure 100 on the metal or hard PVC plate to fix the wire harness storage structure 100 to the vehicle body.

[0099] According to a second aspect of the present application, a wire harness device 1000 is provided, comprising the wire harness storage structure 100 of any one of the first aspect and the wire harness 200 wound around the limiting member 21. Since the wire harness device 1000 comprises the aforementioned wire harness storage structure 100, the wire harness device 1000 has all the beneficial effects of the wire harness storage structure 100, which will not be repeated here.

[0100] In some embodiments, the wire harness 200 is in the form of a belt, and the wire harness 200 is a flexible wire harness to facilitate the winding of the wire harness 200 around the limiting member 21.

[0101] According to a third aspect of the present application, a vehicle is provided, comprising the wire harness device 1000 of any one of the second aspect. Since the vehicle comprises the wire harness device 1000, the vehicle has all the beneficial effects of the wire harness device 1000, which will not be repeated here.

[0102] The vehicle can include, but is not limited to, a fuel automobile, a plug-in hybrid electric vehicle, or a new energy vehicle, etc.

[0103] In the description of the application, the terms "first", "second", etc. are used only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more features. In the description of the application, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0104] In the above embodiments, the description of each embodiment has its own emphasis, and the parts not described in detail in a certain embodiment can be referred to the related description of other embodiments.

[0105] The embodiments, implementation manners and related technical features of the present application can be combined or replaced with each other without conflict.

[0106] The above is only the preferred embodiment of the present application, and does not limit the present application in any form. Any simple modification, equivalent change and modification made to the above embodiment in accordance with the technical essence of the present application without departing from the technical solution content of the present application still falls within the scope of the technical solution of the present application.

Claims

1. A wire harness storage structure, characterized in that, include: shell; A winding and unwinding mechanism is used to wind and unwind a wire harness. The winding and unwinding mechanism includes a limiting member and a resetting member. The limiting member is rotatably disposed on the housing and is used to wind the wire harness. One end of the resetting member is connected to the housing, and the other end is connected to the limiting member. The resetting member is configured to accumulate potential energy when the limiting member is rotated by an external force to release the wire harness, and to drive the limiting member to rotate back to wind the wire harness after the external force on the limiting member is removed.

2. The wire harness storage structure according to claim 1, characterized in that, One of the outer shell and the limiting member is provided with a guide groove, and the other is provided with a mating part that cooperates with the guide groove. The mating part is embedded in the guide groove to guide the limiting member to rotate.

3. The wire harness storage structure according to claim 2, characterized in that, On the same projection plane perpendicular to the rotation axis of the limiting member, at least one of the orthographic projection of the limiting member and the orthographic projection of the guide groove is annular.

4. The wire harness storage structure according to claim 1, characterized in that, The limiting member is cylindrical, and the resetting member is located inside the limiting member.

5. The wire harness storage structure according to claim 1, characterized in that, The limiting member is provided with a first slot for engaging the wire harness; and / or, the limiting member is provided with a second slot, and one end of the resetting member engages with the second slot.

6. The wire harness storage structure according to claim 5, characterized in that, Along the extension direction of the rotation axis of the limiting member, the openings of the first slot and the second slot face opposite directions.

7. The wire harness storage structure according to claim 5 or 6, characterized in that, There are two first card slots, and the two first card slots are spaced apart around the rotation axis of the limiting member; The limiting member is also provided with a winding part, which is located between the two first slots and is used to wind the wire harness.

8. The wire harness storage structure according to claim 7, characterized in that, The wire harness storage structure also includes: A guide member is disposed in the housing and located between the reset member and the winding portion, and the guide member and the winding portion define a guide channel for the wire harness to pass through.

9. The wire harness storage structure according to claim 8, characterized in that, The orthographic projection of the guide member onto the projection plane perpendicular to the rotation axis of the limiting member is arc-shaped.

10. The wire harness storage structure according to claim 2, characterized in that, The inner surface of the outer casing is provided with a fixing post, and the reset component is connected to the fixing post.

11. The wire harness storage structure according to claim 10, characterized in that, The fixing post is provided with a third slot, and one end of the reset member is inserted into the third slot.

12. The wire harness storage structure according to claim 2, characterized in that, The reset element is a spring.

13. The wire harness storage structure according to any one of claims 1-6, characterized in that, The housing is provided with a first opening and a second opening, the first opening being for one end of the wire harness to extend out, and the second opening being for the other end of the wire harness to extend out.

14. The wire harness storage structure according to claim 13, characterized in that, The outer casing includes a first housing and a second housing, the first housing and the second housing being detachably connected, and the first housing and the second housing defining a receiving space for accommodating the winding and unwinding mechanism.

15. The wire harness storage structure according to claim 14, characterized in that, One of the first housing and the second housing is provided with a fourth slot, and the other housing is provided with a protrusion that mates with the fourth slot, the protrusion engaging with the fourth slot.

16. The wire harness storage structure according to any one of claims 1-6, characterized in that, The wire harness storage structure also includes: A connector is disposed outside the housing.

17. The wire harness storage structure according to claim 16, characterized in that, The connector is a snap-fit ​​connector.

18. A wire harness device, characterized in that, Includes the wire harness storage structure and wire harness as described in any one of claims 1-17, wherein the wire harness is wound around the limiting member.

19. The wire harness device according to claim 18, characterized in that, The wire harness is in the form of a strip.

20. A vehicle, characterized in that, Includes the wire harness device as described in claim 18 or 19.

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