Automobile seat fan structure

Abstract

The utility model belongs to the field of automobile seat fans, particularly relates to an automobile seat fan structure, and provides the following scheme aiming at the problems that the existing fan cannot uniformly provide cold air to all directions, the connection of a wiring terminal of the fan is unstable, and the current transmission is unsmooth or a joint falls off possibly, the automobile seat fan structure comprises an upper shell and a lower shell, the lower shell is arranged below the upper shell in parallel, the same set of fan structure is arranged between the upper shell and the lower shell, a circular groove is formed in the top of the lower shell, and a strip-shaped groove is formed in the top of the lower shell. Normal operation of the fan is guaranteed, stable connection between the upper shell and the lower shell is achieved by adopting a clamping mode of the L-shaped elastic piece and the round hole, the clamping assembly is arranged, the L-shaped block is pushed to move transversely and clamp the connector terminal, and therefore stability of connector connection is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile seat fan, especially to automobile seat fan structure. BACKGROUND

[0002] Traditional automobile seat fan design often has some problems, such as the air inlet is easy to suck in the sundries in the seat, which affects the normal operation of the fan, the upper and lower shells of the fan are not stable enough in connection, and are easy to loosen in use, the wiring terminal connection of the fan is unstable, which may cause poor current transmission or connector shedding, and the air inlet strength of the fan is insufficient, which cannot meet the impact demand of users on the seat fan. In addition, the traditional fan design can only blow air to a single direction, cannot provide cool air to each direction evenly, and leads to poor ventilation effect of the seat.

[0003] In order to solve the above problems, the utility model provides a novel automobile seat fan structure, which aims to provide a fan structure with stable structure, reliable connection, smooth air inlet and uniform air blowing to each direction. SUMMARY

[0004] The utility model discloses a kind of automobile seat fan structures, to solve the problems that the fan design in prior art can only blow air to a single direction, cannot provide cool air to each direction evenly, lead to poor ventilation effect of the seat, and the wiring terminal connection of the fan is unstable, which may cause poor current transmission or connector shedding.

[0005] To achieve the above object, the utility model adopts the following technical scheme:

[0006] Automobile seat fan structure, including upper shell and lower shell, the lower shell is arranged in parallel below the upper shell, the same group of fan structure is arranged between the upper shell and the lower shell, the top of the lower shell is provided with a circular groove, the top of the lower shell is provided with a strip-shaped groove, the strip-shaped groove is communicated with the circular groove, the strip-shaped groove is used to install PCB board, the outer wall of the lower shell is fixedly connected with wiring block, the wiring block is communicated with the strip-shaped groove and is used for wiring, the outer wall of the lower shell is provided with a plurality of second ear plates, the outer wall of the upper shell is provided with a plurality of first ear plates, the first ear plate and the second ear plate are provided with the same group of connecting assembly for connecting the upper shell and the lower shell between the corresponding first ear plate and the second ear plate;

[0007] The both sides of the wiring block are provided with rectangular holes, and the inside of the rectangular hole is provided with a clamping assembly for clamping the terminal;

[0008] The top of the upper shell is provided with an air inlet in the middle position, and the inside of the air inlet is provided with an air inlet assembly for helping air inlet.

[0009] In a possible design, the fan mechanism includes an upper body and a lower body, the upper body is fixedly connected to the bottom of the upper shell, the lower body is fixedly connected to the top of the lower shell, the upper body is arranged in parallel above the lower body, the top of the lower shell is fixedly connected with a stator, the top of the stator is rotatably sleeved with a rotating drum, the top of the rotating drum is provided with a plurality of heat dissipation holes, the rotating drum penetrates the upper body and the lower body in rotation, and the outer wall of the rotating drum is fixedly sleeved with a plurality of blades.

[0010] In a possible design, the connecting assembly includes a circular hole formed in the second ear plate, and the bottom of the first ear plate is fixedly connected with a hollow cylinder, the bottom of the hollow cylinder is integrally formed with two symmetrically arranged L-shaped elastic sheets, and the L-shaped elastic sheets are clamped with the circular hole.

[0011] In a possible design, the inside of the hollow cylinder is provided with a plug, the top of the plug is fixedly connected with a circular truncated cone block, and the top of the circular truncated cone block is fixedly connected with the same first spring between the hollow cylinder and the bottom of the first ear plate.

[0012] In a possible design, the clamping assembly includes an L-shaped block slidingly connected in the rectangular hole, one side of the L-shaped block is fixedly connected with a side plate, one side of the side plate is fixedly connected with the same second spring between one side of the wiring block, one end of the L-shaped block is provided with an inclined surface, and both sides of the wiring block are slidingly connected with trapezoidal plates.

[0013] In a possible design, both sides of the L-shaped block are fixedly connected with sliding blocks, and the inner walls of both sides of the rectangular hole are provided with sliding grooves, and the sliding blocks are slidingly connected in the sliding grooves.

[0014] In a possible design, the bottom of the lower shell is rotatably connected with a rotating plate, the outer wall of the rotating plate is provided with a clearance hole used in cooperation with the trapezoidal plate, the outer wall of the rotating plate is fixedly connected with a plurality of baffle plates, and the baffle plates abut against the plug.

[0015] In a possible design, the air inlet assembly includes a mesh plate fixedly connected in the air inlet, the top of the upper shell is fixedly connected with a plurality of reinforcing strips, the top of the upper shell is fixedly connected with a plurality of protrusions, the plurality of protrusions and the plurality of reinforcing strips are arranged alternately, and the inside of the air inlet is provided with a wind guide cover.

[0016] In this application, when in use, the motor coil assembly inside the drum is driven by the PCB board, and then the drum drives the blades to rotate. After the air enters the device inside through the upper shell, it is separated by multiple blades and then blown out from the side, and then the wind blows evenly in all directions, providing large-area ventilation for the seat. The air inlet has a mesh plate to prevent objects in the seat from being sucked into the air inlet. Compared with traditional fans, the strength of the opening part of the upper shell is increased, which can meet the impact of the fan upper shell when a person uses the seat without affecting the performance of the fan.

[0017] When installing the upper shell and the lower shell, multiple L-shaped elastic sheets are inserted into the multiple round holes. At this time, the protruding part of the L-shaped elastic sheet is clamped at the bottom of the second ear plate. The stepped support, concave-convex structure, precise positioning, firm support, safe and reliable, easy to assemble and disassemble, and in use, the rotating plate rotates, so that the multiple baffles push the block into the hollow cylinder, the block drives the circular table block to move up, the circular table block extrudes the first spring, and the L-shaped elastic sheet cannot be bent at this time, thereby ensuring the stability of the connection between the upper shell and the lower shell.

[0018] After the terminal is inserted into the terminal block, the two trapezoidal plates can also be moved horizontally when the lower shell is rotated. The trapezoidal plate cooperates with the inclined surface and pushes the L-shaped block to move horizontally. The L-shaped block drives the side plate to move horizontally, and the side plate extrudes the second spring. After the two L-shaped blocks approach each other, they can clamp the terminal to ensure the stability of the connection.

[0019] Beneficial effects: Enhance the air inlet effect and safety: By setting the mesh plate inside the air inlet, it effectively prevents the debris in the seat from being sucked into the fan, ensuring the normal operation of the fan. At the same time, the design of the mesh plate also enhances the strength of the air inlet, so that the fan can withstand the impact of the user on the fan upper shell when using the seat, without affecting the performance of the fan.

[0020] Stable connection structure: The L-shaped elastic sheet is clamped with the round hole, realizing the stable connection between the upper shell and the lower shell. This connection method not only has precise positioning and firm support, but also is safe and reliable, easy to assemble and disassemble. Through the cooperation of the rotating plate, the baffle, the block and the circular table block, the stability of the upper shell and the lower shell during use is further ensured.

[0021] Reliable terminal clamping design: By setting the clamping assembly, when the terminal is inserted into the terminal block, the trapezoidal plate cooperates with the inclined surface of the L-shaped block to push the L-shaped block to move horizontally and clamp the terminal, thereby ensuring the stability of the connection. This design avoids the unstable connection of the terminal in traditional fans, improving the reliability and safety of current transmission.

[0022] Uniform blowing effect: by setting the fan mechanism and multiple blades, air enters the device inside after the upper shell, is separated by multiple blades and blows out from the side, realizes the wind uniform blowing in each direction, and gives the seat large area ventilation. The design improves the ventilation effect of the seat, so that the user can feel more comfortable cool wind when riding. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 A three-dimensional structure schematic view of the automobile seat fan structure is provided for the utility model;

[0024] Figure 2 A three-dimensional structure schematic view of the automobile seat fan structure second perspective is provided for the utility model;

[0025] Figure 3 A three-dimensional structure schematic view of the automobile seat fan structure upper shell and hollow cylinder is provided for the utility model;

[0026] Figure 4 An explosion view of the automobile seat fan structure upper shell and circular table block is provided for the utility model;

[0027] Figure 5 A three-dimensional structure schematic view of the automobile seat fan structure blade and rotating cylinder is provided for the utility model;

[0028] Figure 6 A three-dimensional structure schematic view of the automobile seat fan structure blade and rotating cylinder second perspective is provided for the utility model;

[0029] Figure 7 A three-dimensional structure schematic view of the automobile seat fan structure bottom plate is provided for the utility model;

[0030] Figure 8 An explosion view of the automobile seat fan structure wiring block is provided for the utility model.

[0031] In the drawing: 1, upper shell; 2, lower shell; 3, hollow cylinder; 4, let hole; 5, wiring block; 6, first ear plate; 7, mesh plate; 8, protrusion; 9, reinforcing strip; 10, rotating plate; 11, baffle; 12, air guide cover; 13, L-shaped elastic sheet; 14, plug; 15, first spring; 16, circular table block; 17, upper body; 18, heat dissipation hole; 19, rotating cylinder; 20, blade; 21, lower body; 22, stator; 23, second ear plate; 24, strip-shaped groove; 25, round hole; 26, circular groove; 27, L-shaped block; 28, sliding groove; 29, sliding block; 30, second spring; 31, side plate; 32, inclined surface; 33, trapezoidal plate; 34, rectangular hole. DETAILED DESCRIPTION

[0032] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0033] Example 1; Refer to Figures 1-8The utility model provides an automobile seat fan structure, which is applied to the field of automobile seat fans and comprises an upper shell 1 and a lower shell 2, the lower shell 2 is arranged in parallel below the upper shell 1, a same set of fan structures is arranged between the upper shell 1 and the lower shell 2, the fan structure comprises an upper body 17 and a lower body 21, the upper body 17 is fixedly connected to the bottom of the upper shell 1, the lower body 21 is fixedly connected to the top of the lower shell 2, the upper body 17 is arranged in parallel above the lower body 21, the top of the lower shell 2 is fixedly connected with a stator 22, the top of the stator 22 is rotatably sleeved with a rotating drum 19, a plurality of heat dissipation holes 18 are formed in the top of the rotating drum 19, the rotating drum 19 penetrates the upper body 17 and the lower body 21 in rotation, a plurality of blades 20 are fixedly sleeved with the outer wall of the rotating drum 19, a circular groove 26 is formed in the top of the lower shell 2, a strip-shaped groove 24 is formed in the top of the lower shell 2, the strip-shaped groove 24 is communicated with the circular groove 26, the strip-shaped groove 24 is used for mounting a PCB, a wiring block 5 is fixedly connected to the outer wall of the lower shell 2, the wiring block 5 is communicated with the strip-shaped groove 24 and is used for wiring, a motor coil assembly in the rotating drum 19 is driven by the PCB, and then the rotating drum 19 drives the blades 20 to rotate, air enters the inside of the device through the upper shell 1, is separated by the plurality of blades 20, and is blown out from the side, so that the air is blown in each direction uniformly, the seat is ventilated in a large area, the air inlet is provided with a mesh plate 7, so that things in the seat are prevented from being sucked into the air inlet, the strength of the opening part of the upper shell 1 is increased compared with a traditional fan, the performance of the fan is not affected when a person uses the seat to impact the upper shell 1 of the fan, a plurality of second lugs 23 are arranged on the outer wall of the lower shell 2, a plurality of first lugs 6 are arranged on the outer wall of the upper shell 1, a same set of connecting assemblies for connecting the upper shell 1 and the lower shell 2 is arranged between the corresponding first lugs 6 and the second lugs 23, the connecting assembly comprises a circular hole 25 formed in the inside of the second lug 23, a hollow cylinder 3 is fixedly connected to the bottom of the first lug 6, two L-shaped elastic sheets 13 that are symmetrically arranged are integrally formed at the bottom of the hollow cylinder 3, the L-shaped elastic sheet 13 is clamped with the circular hole 25, a plug 14 is arranged in the inside of the hollow cylinder 3, a circular table block 16 is fixedly connected to the top of the plug 14, a same first spring 15 is fixedly connected between the top of the circular table block 16 and the bottom of the hollow cylinder 3 and the first lug 6, and when the upper shell 1 and the lower shell 2 are installed, the plurality of L-shaped elastic sheets 13 are inserted into the insides of the plurality of circular holes 25, at this time, the protrusions 8 of the L-shaped elastic sheets 13 are clamped at the bottom of the second lug 23, a stepped support, a concave-convex structure, accurate positioning, firm support, safety and reliability, convenient assembly and disassembly, and when in use, the rotating plate 10 is rotated, so that the plurality of baffles 11 push the plug 14 into the inside of the hollow cylinder 3, the plug 14 drives the circular table block 16 to move upwards, the circular table block 16 presses the first spring 15, at this time, the L-shaped elastic sheet 13 cannot be bent, so that the stability of the connection between the upper shell 1 and the lower shell 2 is ensured.

[0034] The two sides of the terminal block 5 are provided with rectangular holes 34, and the inner sides of the rectangular holes 34 are provided with clamping assemblies for clamping the terminal, the clamping assemblies comprising L-shaped blocks 27 slidingly connected in the inner sides of the rectangular holes 34, the L-shaped blocks 27 being fixedly connected with side plates 31 on one side, the side plates 31 being fixedly connected with the same second springs 30 on one side of the terminal block 5, the L-shaped blocks 27 being provided with inclined surfaces 32 on one end, the two sides of the terminal block 5 being slidingly connected with trapezoidal plates 33, the trapezoidal plates 33 being used in cooperation with the inclined surfaces 32, after the terminal is inserted into the inner side of the terminal block 5, when the lower shell 2 is rotated, the two trapezoidal plates 33 can also be driven to move horizontally, the trapezoidal plates 33 cooperate with the inclined surfaces 32 and drive the L-shaped blocks 27 to move horizontally, the L-shaped blocks 27 drive the side plates 31 to move horizontally, the side plates 31 press the second springs 30, and after the two L-shaped blocks 27 move close to each other, the terminal can be clamped, and the stability of the connection is ensured.

[0035] The upper shell 1 is provided with an air inlet in the middle of the top, and the inner side of the air inlet is provided with an air inlet assembly for helping air inlet, the air inlet assembly comprising a mesh plate 7 fixedly connected in the inner side of the air inlet, the top of the upper shell 1 being fixedly connected with a plurality of reinforcing strips 9, the top of the upper shell 1 being fixedly connected with a plurality of protrusions 8, the plurality of protrusions 8 and the plurality of reinforcing strips 9 being staggered, and the inner side of the air inlet being provided with a wind deflector 12.

[0036] Embodiment 2; reference Figures 1-8 On the basis of embodiment 1, the two sides of the L-shaped block 27 are fixedly connected with sliding blocks 29, the inner walls of the two sides of the rectangular hole 34 are provided with sliding grooves 28, the sliding blocks 29 are slidingly connected in the inner sides of the sliding grooves 28, the bottom of the lower shell 2 is rotatably connected with a rotating plate 10, the outer wall of the rotating plate 10 is provided with a clearance hole 4 used in cooperation with the trapezoidal plate 33, and the outer wall of the rotating plate 10 is fixedly connected with a plurality of baffles 11 abutting against the blocking blocks 14.

[0037] The above is only the preferred specific implementation of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A car seat fan structure, characterized in that, The device includes an upper shell (1) and a lower shell (2). The lower shell (2) is arranged parallel to the lower shell (1) below it. A set of fan structures is provided between the upper shell (1) and the lower shell (2). A circular groove (26) is provided on the top of the lower shell (2), and a strip groove (24) is provided on the top of the lower shell (2). The strip groove (24) is connected to the circular groove (26). The strip groove (24) is used to install a PCB board. A wiring block (5) is fixedly connected to the outer wall of the lower shell (2). The wiring block (5) is connected to the strip groove (24) and is used for wiring. The outer wall is provided with a plurality of second ear plates (23), and the outer wall of the upper shell (1) is provided with a plurality of first ear plates (6). Correspondingly, the first ear plates (6) and the second ear plates (23) are provided with the same set of connecting components for connecting the upper shell (1) and the lower shell (2). The connecting components include a round hole (25) opened inside the second ear plate (23). A hollow cylinder (3) is fixedly connected to the bottom of the first ear plate (6). The bottom of the hollow cylinder (3) is integrally formed with two symmetrically arranged L-shaped elastic pieces (13). The L-shaped elastic pieces (13) are engaged with the round hole (25). The wiring block (5) has rectangular holes (34) on both sides, and a clamping component for clamping the terminal is provided inside the rectangular holes (34); An air inlet is provided at the top center of the upper shell (1), and an air inlet assembly for assisting air intake is provided inside the air inlet.

2. The automotive seat fan structure according to claim 1, characterized in that, The fan structure includes an upper body (17) and a lower body (21). The upper body (17) is fixedly connected to the bottom of the upper shell (1), and the lower body (21) is fixedly connected to the top of the lower shell (2). The upper body (17) is arranged parallel above the lower body (21). A stator (22) is fixedly connected to the top of the lower shell (2). A rotating cylinder (19) is rotatably sleeved on the top of the stator (22). Multiple heat dissipation holes (18) are opened on the top of the rotating cylinder (19). The rotating cylinder (19) rotates through the upper body (17) and the lower body (21). Multiple blades (20) are fixedly sleeved on the outer wall of the rotating cylinder (19).

3. The automotive seat fan structure according to claim 2, characterized in that, The hollow cylinder (3) is provided with a blocking block (14) inside. A frustum block (16) is fixedly connected to the top of the blocking block (14). The top of the frustum block (16) and the bottom of the hollow cylinder (3) and the first ear plate (6) are fixedly connected with the same first spring (15).

4. The automotive seat fan structure according to claim 1, characterized in that, The clamping assembly includes an L-shaped block (27) slidably connected inside a rectangular hole (34). A side plate (31) is fixedly connected to one side of the L-shaped block (27). A second spring (30) is fixedly connected between one side of the side plate (31) and one side of the wiring block (5). An inclined surface (32) is provided at one end of the L-shaped block (27). Trapezoidal plates (33) are slidably connected to both sides of the wiring block (5). The trapezoidal plates (33) and the inclined surface (32) are used in conjunction.

5. The automotive seat fan structure according to claim 4, characterized in that, Both sides of the L-shaped block (27) are fixedly connected to sliders (29), and both sides of the rectangular hole (34) are provided with grooves (28), and the sliders (29) are slidably connected inside the grooves (28).

6. The automotive seat fan structure according to claim 1, characterized in that, The bottom of the lower shell (2) is rotatably connected to a rotating plate (10). The outer wall of the rotating plate (10) is provided with a clearance hole (4) that cooperates with the trapezoidal plate (33). The outer wall of the rotating plate (10) is fixedly connected to multiple baffles (11), and the baffles (11) abut against the block (14).

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