A fan structure for car seat

Abstract

The present application provides a fan structure for a car seat, comprising a fan body and a wiring harness, wherein a third connector is provided at one end of the wiring harness; the fan body comprises a shell, wherein a circuit board is provided inside the shell, and a first connector is provided on the circuit board; a first countersunk hole is provided on the top of the shell, the first countersunk hole is arranged corresponding to the first connector, and the first countersunk hole is used to expose the first connector to the surface of the shell; a wire management opening is provided on the side wall of the shell corresponding to the first countersunk hole, and the first groove and the wire management opening are used to place the wire harness; a snap-on assembly is provided on the side wall of the shell corresponding to the wire management opening to limit the wire harness; when producing the fan structure, the third connector on the wire harness is connected to the first connector and fixed by the snap-on assembly, and when the fan structure is installed in the car seat, the other end of the wire harness is connected to the control module at the car body end by the second connector, thereby optimizing the production process and realizing automated production during the production process, while improving production efficiency and product stability.

Description

Technical Field

[0001] The present application generally relates to the field of fan technology, and specifically to a fan structure for a car seat. Background Art

[0002] With the development of technology in the field of vehicle transportation, people have higher and higher requirements for vehicle riding comfort, and with the development of new energy vehicles, the market size and demand for automotive seat ventilation systems will continue to grow; traditional seats place passengers in close contact with the seats during riding, resulting in poor air circulation, which is not conducive to sweat discharge and makes the body feel uncomfortable; the ventilation function can effectively improve the air circulation between the body and the seat, keeping the body dry and comfortable.

[0003] With the growth of the automotive ventilation market, the demand for products is extensive, thus posing new challenges to production technology and stability; such as Fig.13 and Fig.14 As shown, the traditional fan is connected to the internal circuit board of the fan by welding through the wire harness, but the welding process is complicated and difficult to automate, and the production efficiency is low and the stability is poor. Utility Model Content

[0004] In view of the above defects or deficiencies in the prior art, it is desired to provide a fan structure for a car seat that can solve the above technical problems.

[0005] The present application provides a fan structure for a car seat, comprising:

[0006] A wiring harness, wherein a third connector is provided at one end of the wiring harness;

[0007] A fan body, wherein the fan body comprises a shell, a circuit board is arranged inside the shell, a first connector is arranged on the circuit board, and the first connector is used to connect with the third connector; a first countersunk hole is arranged on one side of the shell, and the first countersunk hole is arranged corresponding to the first connector, and the first countersunk hole is used to expose the first connector on the surface of the shell;

[0008] A wire management port is provided on the side wall of the shell corresponding to the first countersunk hole, the first countersunk hole and the wire management port are connected by a first groove, the first groove and the wire management port are used to place the wiring harness, and a snap-on assembly is provided on the side wall of the shell corresponding to the wire management port, and the snap-on assembly is used to limit the wiring harness.

[0009] According to the technical solution provided in the present application, a cover plate is provided at the first countersunk hole and the first groove.

[0010] According to the technical solution provided in the present application, the snap-in assembly includes: a first snap-in slot and a first snap-in piece, the first snap-in slot is snap-connected with the first snap-in piece, the first snap-in slot is fixed on the side wall of the shell, and is arranged corresponding to the wire management port; the first snap-in slot includes: a first section, a second section and a third section, the first section and the second section are respectively arranged on both sides of the wire management port, the third section is located at one end of the first section and the second section away from the wire management port, and is connected to the first section and the second section; the wiring harness is arranged in a gap formed by the first snap-in piece and the side wall of the shell and in a gap formed by the first snap-in slot and the first snap-in piece.

[0011] According to the technical solution provided in the present application, the first division is an L-shaped structure, and the opening formed by the first division and the side wall of the shell is oriented toward the second division; the second division is an L-shaped structure, and the opening formed by the second division and the side wall of the shell is oriented toward the first division; the third division is a U-shaped structure, and forms a first opening with the side wall of the shell; the first clamping component is a U-shaped structure, and first clamping blocks are respectively provided on both sides of the first clamping component, and second clamping blocks are respectively provided at the open ends on both sides of the first clamping component, the first clamping block is used to clamp with the opening formed by the first division and the side wall of the shell and the opening formed by the second division and the side wall of the shell, and the second clamping block is used to clamp with the third division.

[0012] According to the technical solution provided in the present application, the snap-in assembly includes: a second snap-in slot and a second snap-in block, the second snap-in slot is fixed on the side wall of the shell and is arranged corresponding to the cable management port; the second snap-in slot includes: a fourth division and a fifth division, the fourth division is an L-shaped structure, one end of the fourth division is arranged on one side of the cable management port, and the other end extends to the other side of the cable management port, and a first gap is formed between the fourth division and the cable management port; the fifth division is arranged on the other side of the cable management port, and is arranged corresponding to the end of the fourth division, and a second gap is formed between the fifth division and the fourth division; the wiring harness is arranged in the first gap.

[0013] According to the technical solution provided in the present application, a mounting groove is provided on the side of the second clamping block away from the cable management port, and a mounting protrusion is provided on the side of the fourth section facing the shell corresponding to the mounting groove, and the mounting groove is clamped with the mounting protrusion; a second groove is provided on the end of the second clamping block away from the cable management port, two second grooves are provided, and the two second grooves are respectively arranged on both sides of the mounting groove, and the second groove is used to leave deformation allowance for the mounting groove.

[0014] According to the technical solution provided in the present application, the second clamping slot also includes a sixth section, the sixth section is arranged on the side of the fourth section away from the wire management port, the fourth section and the sixth section form a third gap, and the wiring harness passes through the third gap.

[0015] According to the technical solution provided in the present application, the snap-in assembly includes: a third snap-in slot and a third snap-in block, the third snap-in slot is fixedly arranged on the side wall of the shell and is located on one side of the cable management port, and the opening direction of the third snap-in slot is arranged toward the cable management port; one end of the third snap-in block is rotatably arranged on the side wall of the shell and is located on the other side of the cable management port, and the other end of the third snap-in block is provided with a snap-in portion, and the snap-in portion is used to snap-in with the third snap-in slot; the snap-in assembly has a first state and a second state, when the snap-in assembly is in the first state, the snap-in portion rotates toward the shell side until the snap-in portion snaps into the third snap-in slot to clamp the wiring harness; when the snap-in assembly is in the second state, the snap-in portion rotates away from the shell side, and the snap-in portion separates from the third snap-in slot to release the wiring harness.

[0016] According to the technical solution provided in the present application, the clamping assembly includes: a fourth clamping block, the fourth clamping block is an L-shaped structure, one end of the fourth clamping block is arranged on one side of the cable management port, and the other end spans the cable management port and extends to the other side of the cable management port, the end of the fourth clamping block extending to the cable management port is provided with a limiting protrusion, a fifth gap is provided between the limiting protrusion and the shell, a fourth gap is provided between the fourth clamping block and the shell, the fifth gap is smaller than the fourth gap, and the wiring harness is arranged in the fourth gap.

[0017] According to the technical solution provided in the present application, a side of the shell on which the first countersunk hole is provided is provided with a positioning portion corresponding to the installation position of the cover plate, for positioning the installation position of the cover plate.

[0018] The beneficial effects of this application are:

[0019] The present application provides a fan structure for a car seat, comprising a fan body and a wiring harness, one end of the wiring harness is provided with a third connector; the fan body comprises a shell, a circuit board is provided inside the shell, a first connector is provided on the circuit board, and the first connector is used to connect with the third connector; a first countersunk hole is provided on the top of the shell, the first countersunk hole is provided corresponding to the first connector, and the first countersunk hole is used to expose the first connector to the surface of the shell; a wire management port is provided on the side wall of the shell corresponding to the first countersunk hole, the first groove and the wire management port are used to place the wire harness, and at the same time, a clamping assembly is provided on the side wall of the shell corresponding to the wire management port to limit the wire harness and prevent the wire harness from falling off; when the fan structure provided by the present application is produced, the third connector on the wire harness is connected to the first connector and fixed by the clamping assembly, and when the fan structure is installed in the car seat, the other end of the wire harness is connected to the control module at the vehicle body end through the second connector, so that in the production process, the production process is optimized, automated production is realized, and the production efficiency and product stability are improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Other features, objects and advantages of the present application will become more apparent by reading the detailed description of non-limiting embodiments made with reference to the following drawings:

[0021] Figure 1 is a schematic diagram of a fan structure for a car seat provided in Example 1 of the present application;

[0022] Figure 2 is an exploded view of a fan structure for a car seat provided in Example 1 of the present application;

[0023] Figure 3 is a connection diagram of the circuit board and the first connector provided by the present application;

[0024] Figure 4 is a schematic diagram of a fan structure for a car seat provided in Example 2 of the present application;

[0025] Figure 5 is an exploded view of a fan structure for a car seat provided in Example 2 of the present application;

[0026] Figure 6 yes Figure 6 Schematic diagram of part A

[0027] Figure 7 is a schematic diagram of a fan structure for a car seat provided in Example 3 of the present application;

[0028] Figure 8is an exploded view of a fan structure for a car seat provided in Example 3 of the present application;

[0029] Fig. 9 yes Fig. 9 Schematic diagram of part B;

[0030] Fig.10 is a schematic diagram of a fan structure for a car seat provided in Example 4 of the present application;

[0031] Fig.11 This is a schematic diagram of a fan structure for a car seat provided in Example 4 of the present application before being connected to a wiring harness;

[0032] Fig.12 is an exploded view of a fan structure for a car seat provided in Example 4 of the present application;

[0033] Fig.13 It is a schematic diagram of a fan structure for a car seat in the prior art;

[0034] Fig.14 The invention is a connection diagram of a circuit board and a wiring harness in the prior art.

[0035] In the figure: 1, housing; 2, circuit board; 3, first connector; 4, wiring harness; 5, second connector; 6, cable management port; 7, first subdivision; 8, second subdivision; 9, third subdivision; 10, first clamping member; 11, first clamping block; 12, fourth subdivision; 13, fifth subdivision; 14, second clamping block; 141, second groove; 142, mounting groove; 15, third clamping groove; 16, third clamping block; 161, clamping part; 17, cover plate; 18, positioning part; 19, third connector; 20, second clamping block; 21, sixth subdivision; 22, fourth clamping block; 23, first groove. DETAILED DESCRIPTION

[0036] The present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are only used to explain the relevant utility model, rather than to limit the utility model. It is also necessary to explain that, for ease of description, only the parts related to the utility model are shown in the accompanying drawings.

[0037] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present application will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0038] Example 1

[0039] Please refer to Figure 1-Figure 3 The present application provides a fan structure for a car seat, comprising:

[0040] A wiring harness 4, one end of which is provided with a third connector 19;

[0041] The fan body includes a shell 1, a circuit board 2 is arranged inside the shell 1, a first connector 3 is arranged on the circuit board 2, and the first connector 3 is used to connect with the third connector 19; a first countersunk hole is arranged on one side of the shell 1, and the first countersunk hole is arranged corresponding to the first connector 3, and the first countersunk hole is used to expose the first connector 3 on the surface of the shell 1;

[0042] A wire management port 6 is provided on the side wall of the shell 1 corresponding to the first countersunk hole. The first countersunk hole and the wire management port 6 are connected by a first groove 23. The first groove 23 and the wire management port 6 are used to place the wiring harness 4. A snap-on assembly is provided on the side wall of the shell 1 corresponding to the wire management port 6. The snap-on assembly is used to limit the wiring harness 4.

[0043] Specifically, the circuit board 2 is a PCBA board, and a PCBA (Printed Circuit Board Assembly) board is a printed circuit board assembly, which refers to a collection of all electronic components and circuits that control the operation of the fan inside the fan;

[0044] Specifically, since the circuit board 2 is arranged inside the housing 1, and the circuit board 2 is connected to the first connector 3, in order to facilitate the connection between the first connector 3 and the third connector 19 of the wiring harness 4, a first countersunk hole is arranged on the top of the housing 1, and the first countersunk hole is arranged corresponding to the first connector 3, and the first connector 3 is arranged in the first countersunk hole so that the first connector 3 is exposed to the surface of the housing 1; when the fan structure is produced, the wiring harness 4 is directly connected to the first connector 3;

[0045] Specifically, a wire management port 6 is provided on the side wall of the housing 1 corresponding to the first countersunk hole, and the wire management port 6 is connected to the first countersunk hole through the first groove 23. When the first connector 3 is connected to the wiring harness 4 through the third connector 19, the wiring harness 4 extends from the first groove 23 and the wire management port 6, and the wiring harness 4 is clamped by the clamping assembly to prevent the wiring harness 4 from moving, thereby avoiding the risk of disconnection between the first connector 3 and the third connector 19, and further improving the performance and reliability of the connection between the fan structure and the vehicle body end control module;

[0046] Working principle: When producing the fan structure provided in this application, the third connector on the wiring harness is connected to the first connector and fixed by the snap-on assembly. When the fan structure is installed in a car seat, the other end of the wiring harness is connected to the control module at the car body end through the second connector. This optimizes the production process and realizes automated production, while improving production efficiency and product stability.

[0047] In some embodiments, a cover plate 17 is disposed at the first counterbore and the first groove 23 .

[0048] Specifically, a cover plate 17 is provided at the first countersunk hole and the first groove 23, and the cover plate 17 is used to shield and protect the connection position of the first connector 3 and the third connector 19 and the wiring harness 4 to avoid damage to the first connector 3 and the third connector 19; in this embodiment, the cover plate is fixed to the shell 1 by gluing, welding or clamping.

[0049] In some embodiments, a positioning portion 18 is provided on one side of the housing 1 where the first countersunk hole is provided, corresponding to the installation position of the cover plate 17 , for positioning the installation position of the cover plate 17 .

[0050] Specifically, a positioning portion 18 is provided on one side of the housing 1 where the first countersunk hole is provided, corresponding to the installation position of the cover plate 17 . The cover plate 17 is pasted and fixed according to the position indicated by the positioning portion 18 . The cover plate 17 may be a label.

[0051] In some embodiments, the snap-in assembly includes: a first snap-in slot and a first snap-in piece 10, the first snap-in slot and the first snap-in block 10 are snap-connected, the first snap-in slot is fixed on the side wall of the shell 1, and is arranged corresponding to the wire management port 6; the first snap-in slot includes: a first division 7, a second division 8 and a third division 9, the first division 7 and the second division 8 are respectively arranged on both sides of the wire management port 6, the third division 9 is located at one end of the first division 7 and the second division 8 away from the wire management port 16, and is connected to the first division 7 and the second division 8; the wiring harness 4 is arranged in the gap formed by the first snap-in piece 10 and the side wall of the shell 1 and in the gap formed by the first snap-in slot and the first snap-in piece 10.

[0052] Specifically, Figure 1 and Figure 2 As shown, the clamping assembly includes: a first clamping slot and a first clamping piece 10, the first clamping slot and the first clamping block 10 are clamped, the first clamping slot is fixed on the side wall of the housing 1, and is arranged corresponding to the cable management port 6; the first clamping slot includes: a first sub-section 7, a second sub-section 8 and a third sub-section 9, the first sub-section 7 and the second sub-section 8 are respectively arranged on both sides of the cable management port 6, the third sub-section 9 is located at one end of the first sub-section 7 and the second sub-section 8 away from the cable management port, and is connected to the first sub-section 7 and the second sub-section 8; when the third connector 19 is connected to the first connector After the connection, the wire harness 4 extends from the wire management port 6 to between the first sub-portion 7 and the second sub-portion 8, and then the first clamping member 10 is inserted between the first sub-portion 7 and the second sub-portion 8 to clamp the wire harness 4. At this time, the wire harness 4 is located in the gap formed by the first clamping member 10 and the side wall of the housing 1 and in the gap formed by the first clamping groove and the first clamping member 10 to prevent the wire harness 4 from moving, thereby avoiding the risk of disconnection between the first connector 3 and the third connector 19, and further improving the performance and reliability of the connection between the fan structure and the vehicle body end control module;

[0053] Specifically, when the fan structure needs to be disassembled, the first clamping block is separated from the first clamping groove to release the wiring harness 4 , and then the third connector 19 is separated from the first connector 3 .

[0054] In some embodiments, the first division 7 is an L-shaped structure, and the opening formed by the first division 7 and the side wall of the shell 1 is oriented toward the second division 8; the second division 8 is an L-shaped structure, and the opening formed by the second division 8 and the side wall of the shell 1 is oriented toward the first division 7; the third division 9 is a U-shaped structure, and forms a first opening with the side wall of the shell 1; the first clamping component 10 is a U-shaped structure, and first clamping blocks 11 are respectively provided on both sides of the first clamping component 10, and second clamping blocks 20 are respectively provided at the open ends on both sides of the first clamping component 10, the first clamping block 11 is used to clamp with the opening formed by the first division 7 and the side wall of the shell 1 and the opening formed by the second division 8 and the side wall of the shell 1, and the second clamping block 20 is used to clamp with the third division 9.

[0055] Specifically, the first subdivision 7 and the second subdivision 8 are both L-shaped structures, and the opening formed by the first subdivision 7 and the side wall of the shell 1 is oriented toward the second subdivision 8; the opening formed by the second subdivision 8 and the side wall of the shell 1 is oriented toward the first subdivision 7; the first clamping member 10 is a U-shaped structure, and first clamping blocks 11 are respectively provided on both sides of the first clamping member 10, and second clamping blocks 20 are respectively provided on the opening ends of both sides of the first clamping member 10; after the wiring harness 4 is connected to the first connector 3, the wiring harness 4 extends from the wire management port 6 to between the first subdivision 7 and the second subdivision 8, and then the first clamping member 10 is inserted into the first subdivision 7 and the second subdivision 8. At this time, the bottom of the first clamping member 10 extends into the first opening, and the second clamping block 20 is clamped with the third subdivision. The two first clamping blocks 11 are respectively clamped with the opening formed by the first subdivision 7 and the side wall of the housing 1 and the opening formed by the second subdivision 8 and the side wall of the housing 1, thereby increasing the stability of the connection between the first clamping block and the first clamping groove; the first clamping block and the first clamping groove clamp the wiring harness 4 to prevent the wiring harness 4 from moving, thereby avoiding the risk of disconnection between the first connector 3 and the third connector 19, and further improving the performance and reliability of the connection between the fan structure and the vehicle body end control module;

[0056] Example 2

[0057] Please refer to Figure 4-Figure 6 A schematic diagram of a fan structure for a car seat is provided. The similarities between this embodiment and embodiment 1 are not repeated here. The difference is that:

[0058] The snap-in assembly includes: a second snap-in slot and a second snap-in block 14, the second snap-in slot is fixed on the side wall of the shell 1, and is arranged corresponding to the cable management port 6; the second snap-in slot includes: a fourth division 12 and a fifth division 13, the fourth division is an L-shaped structure, one end of the fourth division 12 is arranged on one side of the cable management port 6, and the other end extends to the other side of the cable management port 6, and there is a first gap between the fourth division 12 and the cable management port 6; the fifth division 13 is arranged on the other side of the cable management port 6, and is arranged corresponding to the end of the fourth division 12; there is a second gap between the fifth division 13 and the fourth division 12; the wiring harness 4 is arranged in the first gap.

[0059] Specifically, the clamping assembly includes: a second clamping slot and a second clamping block 14, the second clamping slot is fixed on the side wall of the shell 1, and is arranged corresponding to the wire management port 6; the second clamping slot includes: a fourth division 12 and a fifth division 13, the fourth division is an L-shaped structure, one end of the fourth division 12 is arranged on one side of the wire management port 6, and the other end extends to the other side of the wire management port 6, at this time, there is a first gap between the fourth division 12 and the wire management port 6; the fifth division 13 is arranged on the other side of the wire management port 6, and is arranged corresponding to the fourth division 12, and there is a second gap between the fifth division 13 and the fourth division 12; when the third connector 19 is connected to the first connector 3, the wiring harness 4 passes through the first gap from the second gap and is then connected to the first connector 3; at this time, the wiring harness 4 extends from the wire management port 6 to the first gap, and then the second clamping piece is inserted into the first gap to clamp the wiring harness 4 to avoid the movement of the wiring harness 4, thereby avoiding the risk of disconnection between the first connector 3 and the third connector 19, and further improving the performance and reliability of the connection between the fan structure and the vehicle body end control module;

[0060] Specifically, when the fan structure needs to be disassembled, the second clamping block 14 is separated from the second clamping groove to release the wiring harness 4, and then the third connector 19 is separated from the first connector 3, and the wiring harness 4 is moved out through the second gap.

[0061] In some embodiments, a mounting groove 142 is provided on the side of the second clamping block 14 away from the cable management port 6, and a mounting protrusion is provided on the side of the fourth division 12 facing the shell 1 corresponding to the mounting groove 142, and the mounting groove 142 is clamped with the mounting protrusion; a second groove 141 is provided on the end of the second clamping block 14 away from the cable management port 6, two second grooves 141 are provided, and the two second grooves 141 are respectively arranged on both sides of the mounting groove 142, and the second groove 141 is used to leave deformation allowance for the mounting groove.

[0062] Specifically, a mounting groove 142 is provided on a side of the second clamping block 14 away from the cable management port 6, and a mounting protrusion is provided on a side of the fourth division 12 facing the shell 1, corresponding to the mounting groove 142, and the mounting groove 142 is clamped with the mounting protrusion; when the third connector 19 is connected to the first connector 3, the wiring harness 4 passes through the second gap into the first gap, thereby connecting the third connector 19 to the first connector 3; at this time, the wiring harness 4 extends from the cable management port 6 to the first gap, and then the second clamping piece is inserted into the first gap, at which time the mounting groove 142 is clamped with the mounting protrusion, thereby increasing the stability of the connection between the second clamping block 14 and the second clamping groove; at the same time, since the mounting groove 142 will deform when it is clamped with the mounting protrusion, in this embodiment, a second groove 141 is provided at one end of the second clamping block away from the cable management port 6, and two second grooves 141 are provided, and the two second grooves 141 are respectively located at two of the mounting grooves 142, and the two second grooves are used to leave deformation margin for the mounting groove 142.

[0063] In some embodiments, the second clamping slot further includes a sixth section 21 , which is disposed on a side of the fourth section 12 away from the cable management port 6 , and the fourth section 12 and the sixth section 21 form a third gap, through which the wiring harness 4 passes.

[0064] Specifically, a sixth division 21 is provided on the side of the fourth division 12 away from the cable management port 6, and a third gap is formed between the sixth division 21 and the fourth division 12; when the third connector 19 is connected to the first connector 3, the wiring harness 4 passes through the second gap into the first gap, thereby connecting the third connector 19 to the first connector 3; at this time, the wiring harness 4 extends from the cable management port 6 to the first gap, and passes through the third gap at the same time, further avoiding the phenomenon of movement of the wiring harness 4 during use.

[0065] Example 3

[0066] Please refer to Figure 7-Figure 9 A schematic diagram of a fan structure for a car seat is provided. The similarities between this embodiment and embodiment 1 are not repeated here. The difference is that:

[0067] The clamping assembly includes: a third clamping slot 15 and a third clamping block 16. The third clamping slot 15 is fixedly arranged on the side wall of the shell 1 and is located on one side of the cable management port 6. The opening direction of the third clamping slot 15 is arranged toward the cable management port 6; one end of the third clamping block 16 is rotatably arranged on the side wall of the shell 1 and is located on the other side of the cable management port 6. The other end of the third clamping block 16 is provided with a clamping portion 161, and the clamping portion 161 is used to clamp with the third clamping slot 15; the clamping assembly has a first state and a second state. When the clamping assembly is in the first state, the clamping portion 161 rotates toward the side close to the shell 1 until the clamping portion 161 is clamped with the third clamping slot 15 to clamp the wiring harness 4; when the clamping assembly is in the second state, the clamping portion 161 rotates away from the shell 1, and the clamping portion 161 is separated from the third clamping slot 15 to release the wiring harness 4.

[0068] Specifically, the clamping assembly includes: a third clamping slot 15 and a third clamping block 16, the third clamping slot 15 is fixedly arranged on the side wall of the shell 1 and is located on one side of the wire management port 6, and the opening direction of the third clamping slot 15 is arranged toward the wire management port 6; one end of the third clamping block 16 is rotatably arranged on the side wall of the shell 1 and is located on the other side of the wire management port 6; the other end of the third clamping block 16 is provided with a clamping portion 161; when the third connector 19 is connected to the first connector 3, the wiring harness 4 extends from the wire management port 6 to between the third clamping slot 15 and the third clamping block 16, and then the third clamping block 16 is rotated until the clamping portion 161 is clamped with the third clamping slot 15, at which time the third clamping block 16 cooperates with the third clamping slot 15 to clamp the wiring harness 4 to prevent the wiring harness 4 from moving, thereby avoiding the risk of disconnection between the first connector 3 and the third connector 19, and further improving the performance and reliability of the connection between the fan structure and the vehicle body end control module;

[0069] Specifically, when the fan structure needs to be disassembled, the third clamping block 16 is rotated to separate the clamping portion 161 from the third clamping slot 15 to release the wiring harness 4 , and then the third connector 19 is separated from the first connector 3 .

[0070] Example 4

[0071] Please refer to Figure 10-12 A schematic diagram of a fan structure for a car seat is provided. The similarities between this embodiment and embodiment 1 are not repeated here. The difference is that:

[0072] The clamping assembly includes: a fourth clamping block 22, the fourth clamping block 22 is an L-shaped structure, one end of the fourth clamping block 22 is arranged on one side of the cable management port 6, and the other end crosses the cable management port 6 and extends to the other side of the cable management port 6. The end of the fourth clamping block 22 extending to the cable management port 6 is provided with a limiting protrusion, and a fifth gap is provided between the limiting protrusion and the shell, and a fourth gap is provided between the fourth clamping block 22 and the shell 1, the fifth gap is smaller than the fourth gap, and the wiring harness 4 is arranged in the fourth gap.

[0073] Specifically, the snap-in assembly includes a fourth snap-in block 22. In the present embodiment, the fourth snap-in block 22 is an L-shaped structure, one end of the fourth snap-in block 22 is arranged on one side of the cable management port 6, and the other end crosses the cable management port 6 and extends to the other side of the cable management port 6. A limiting protrusion is provided at one end of the fourth snap-in block 22 extending to the cable management port 6, and a fifth gap is provided between the limiting protrusion and the shell, and a fourth gap is provided between the fourth snap-in block 22 and the shell 1; when the third connector 19 is connected to the first connector 3, the wiring harness 4 slides from the fifth gap into the fourth gap, and the third connector 19 is connected to the first connector 3; at this time, the wiring harness 4 is arranged in the fourth gap, and the limiting protrusion clamps the wiring harness 4 in the fourth gap, so that the wiring harness 4 will not fall out of the fourth gap; when the fan structure needs to be disassembled, the third connector 19 is separated from the first connector 3, and the wiring harness 4 slides out of the fourth gap from the fifth gap.

[0074] The above description is only a preferred embodiment of the present application and an explanation of the technical principles used. Those skilled in the art should understand that the scope of the utility model involved in the present application is not limited to the technical solution formed by a specific combination of the above technical features, but should also cover other technical solutions formed by any combination of the above technical features or their equivalent features without departing from the concept of the utility model. For example, the above features are replaced with the technical features with similar functions disclosed in the present application (but not limited to) by each other to form a technical solution.

Claims

1. A fan structure for a car seat, characterized in that: include: A wiring harness (4), wherein one end of the wiring harness (4) is provided with a third connector (19); A fan body, the fan body comprising a shell (1), a circuit board (2) being arranged inside the shell (1), a first connector (3) being arranged on the circuit board (2), the first connector (3) being used to connect with the third connector (19); a first countersunk hole being arranged on one side of the shell (1), the first countersunk hole being arranged corresponding to the first connector (3), the first countersunk hole being used to expose the first connector (3) on the surface of the shell (1); A wire management opening (6) is provided on the side wall of the shell (1) corresponding to the first countersunk hole; the first countersunk hole and the wire management opening (6) are connected via a first groove (23); the first groove (23) and the wire management opening (6) are used to place the wire harness (4); a snap-on assembly is provided on the side wall of the shell (1) corresponding to the wire management opening (6); the snap-on assembly is used to limit the wire harness (4).

2. A fan structure for a car seat according to claim 1, characterized in that: A cover plate (17) is provided at the first countersunk hole and the first groove (23).

3. The fan structure for a car seat according to claim 1, characterized in that: The clamping assembly comprises: a first clamping slot and a first clamping member (10), the first clamping slot being clamped with the first clamping member (10), the first clamping slot being fixed on the side wall of the shell (1) and being arranged corresponding to the cable management port (6); the first clamping slot comprising: a first sub-portion (7), a second sub-portion (8) and a third sub-portion (9), the first sub-portion (7) and the second sub-portion (8) being arranged on both sides of the cable management port (6), the third sub-portion (9) being located at an end of the first sub-portion (7) and the second sub-portion (8) away from the cable management port (6), and being connected to the first sub-portion (7) and the second sub-portion (8); the wiring harness (4) is arranged in a gap formed by the first clamping member (10) and the side wall of the shell (1) and in a gap formed by the first clamping slot and the first clamping member (10).

4. A fan structure for a car seat according to claim 3, characterized in that: The first section (7) is an L-shaped structure, and the direction of the opening formed by the first section (7) and the side wall of the shell (1) is oriented toward the second section (8); the second section (8) is an L-shaped structure, and the direction of the opening formed by the second section (8) and the side wall of the shell (1) is oriented toward the first section (7); the third section (9) is a U-shaped structure, and forms a first opening with the side wall of the shell (1); the first clamping member (10) is a U-shaped structure, and first clamping blocks (11) are respectively provided on both sides of the first clamping member (10), and second clamping blocks (20) are respectively provided at the opening ends on both sides of the first clamping member (10), the first clamping block (11) is used for clamping with the opening formed by the first section (7) and the side wall of the shell (1) and the opening formed by the second section (8) and the side wall of the shell (1), and the second clamping block (20) is used for clamping with the third section (9).

5. The fan structure for a car seat according to claim 1, characterized in that: The snap-in assembly comprises: a second snap-in slot and a second snap-in block (14), wherein the second snap-in slot is fixed on the side wall of the shell (1) and is arranged corresponding to the cable management port (6); the second snap-in slot comprises: a fourth section (12) and a fifth section (13), wherein the fourth section is an L-shaped structure, wherein one end of the fourth section (12) is arranged on one side of the cable management port (6), and the other end extends to the other side of the cable management port (6), and a first gap is provided between the fourth section (12) and the cable management port (6); the fifth section (13) is arranged on the other side of the cable management port (6) and is arranged corresponding to the end of the fourth section (12), and a second gap is provided between the fifth section (13) and the fourth section (12); and the wiring harness (4) is arranged in the first gap.

6. A fan structure for a car seat according to claim 5, characterized in that: A mounting groove (142) is provided on a side of the second clamping block (14) away from the cable management port (6); a mounting protrusion is provided on a side of the fourth section (12) facing the shell (1) corresponding to the mounting groove (142); the mounting groove (142) is clamped with the mounting protrusion; a second groove (141) is provided on an end of the second clamping block (14) away from the cable management port (6); two second grooves (141) are provided, and the two second grooves (141) are respectively provided on both sides of the mounting groove (142); the second groove (141) is used to leave a deformation margin for the mounting groove (142).

7. The fan structure for a car seat according to claim 5, characterized in that: The second clamping slot also includes a sixth section (21), the sixth section (21) being arranged on a side of the fourth section (12) away from the cable management port (6), the fourth section (12) and the sixth section (21) forming a third gap, and the wiring harness (4) passing through the third gap.

8. The fan structure for a car seat according to claim 1, characterized in that: The clamping assembly comprises: a third clamping slot (15) and a third clamping block (16); the third clamping slot (15) is fixedly arranged on the side wall of the housing (1) and is located on one side of the cable management port (6); the opening direction of the third clamping slot (15) is arranged toward the cable management port (6); one end of the third clamping block (16) is rotatably arranged on the side wall of the housing (1) and is located on the other side of the cable management port (6); the other end of the third clamping block (16) is provided with a clamping portion (161); the clamping portion (161) is used to The clamping assembly is configured to be clamped with the third clamping groove (15); the clamping assembly has a first state and a second state. When the clamping assembly is in the first state, the clamping portion (161) rotates toward the side close to the housing (1) until the clamping portion (161) is clamped with the third clamping groove (15) to clamp the wiring harness (4); when the clamping assembly is in the second state, the clamping portion (161) rotates away from the housing (1) and the clamping portion (161) is separated from the third clamping groove (15) to release the wiring harness (4).

9. The fan structure for a car seat according to claim 1, characterized in that: The clamping assembly comprises: a fourth clamping block (22), the fourth clamping block (22) being an L-shaped structure, one end of the fourth clamping block (22) being arranged on one side of the cable management port (6), and the other end spanning the cable management port (6) and extending to the other side of the cable management port (6), a limiting protrusion being arranged on the end of the fourth clamping block (22) extending to the cable management port (6), a fifth gap being provided between the limiting protrusion and the shell (1), a fourth gap being provided between the fourth clamping block (22) and the shell (1), the fifth gap being smaller than the fourth gap, and the wiring harness (4) being arranged in the fourth gap.

10. The fan structure for a car seat according to claim 2, characterized in that: A side of the housing (1) on which the first countersunk hole is provided is provided with a positioning portion (18) corresponding to the installation position of the cover plate (17) for positioning the installation position of the cover plate (17).

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