Chair back ventilation structure and child safety seat

Abstract

The utility model relates to the field of automobile safety supplies, and discloses a chair back ventilation structure and a child safety seat, the chair back ventilation structure comprises a chair back and an air inlet pipeline arranged on the chair back, the air inlet pipeline is provided with an air inlet and a plurality of air outlets, the air outlets are distributed in all areas of the chair back at intervals, and the air inlets are communicated with the air outlets. Each air outlet is connected with a controllable fan, and the air inlet is suitable for being communicated with temperature changing equipment. The air conditioner further comprises a circuit board, and each controllable fan is electrically connected with the circuit board. The air inlet pipeline arranged in the chair back is provided with the air inlet and the multiple air outlets, the multiple air outlets are distributed in all the areas of the chair back at intervals, and due to the fact that each air outlet is provided with the controllable fan, the temperature of all the areas can be controlled respectively, accurate adjustment is achieved, and the riding comfort degree is improved; through the design of a plurality of air outlets, heat can be distributed more uniformly, and the condition of overheating or supercooling is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile safety products, in particular to a seat back ventilation structure and a child safety seat. Background Art

[0002] Some child safety seats on the market have a temperature adjustment function. These seats are usually equipped with a channel and a fan system for transferring heat. The air inlet of the channel is connected to a temperature-changing device, and the heat generated by the temperature-changing device is transferred to the entire seat through the fan system. However, in the prior art, when temperature adjustment is required, the fan system can only change the temperature of the entire seat, but cannot achieve temperature control in different areas. Summary of the invention

[0003] In order to solve at least one aspect of the above problems, the utility model first provides a chair back ventilation structure, including a chair back and an air inlet duct arranged on the chair back, the air inlet duct is provided with an air inlet and a plurality of air outlets, the plurality of air outlets are distributed at intervals in various areas of the chair back, each of the air outlets is connected to a controllable fan, and the air inlet is suitable for connecting with a temperature variable device; it also includes a circuit board, and each of the controllable fans is electrically connected to the circuit board.

[0004] Optionally, the temperature changing device is a car air conditioner.

[0005] Optionally, a connecting pipe is further included, and the automobile air conditioner is connected to the air inlet through the connecting pipe.

[0006] Optionally, the air inlet is integrated at the front end of the chair back.

[0007] Optionally, the air inlet duct includes a main duct and a left duct and a right duct connected to the main duct, the main duct is connected to the air inlet, the end of the left duct away from the main duct is the air outlet, and the end of the right duct away from the main duct is the air outlet.

[0008] Optionally, the left pipe and the right pipe are arranged symmetrically to each other.

[0009] Optionally, the number of the left pipes and the number of the right pipes are both three.

[0010] Optionally, the controllable fan is also connected to an opening and closing assembly, which includes an inner plate and a rotating cover that are rotatably connected to each other, the inner plate is connected to the controllable fan, the inner plate is provided with a first vent, and the rotating cover is provided with a second vent; when the first vent and the second vent are correspondingly arranged, the opening and closing assembly is in an open state, and at this time the controllable fan is connected to the air inlet duct; when the first vent and the second vent are staggered, the opening and closing assembly is in a closed state, and at this time the controllable fan is suitable for being isolated from the air inlet duct.

[0011] Optionally, a motor is further included, the motor is electrically connected to the circuit board, the motor is connected to a gear, a gear ring is provided on the outer edge of the rotating cover, and the gear is meshed with the gear ring.

[0012] Compared with the prior art, the seat back ventilation structure in the utility model has an air inlet duct inside the seat back with an air inlet and multiple air outlets. The multiple air outlets are distributed at intervals in various areas of the seat back. Since each air outlet is equipped with a controllable fan, the temperature of each area can be controlled separately to achieve precise adjustment and improve riding comfort. Through the design of multiple air outlets, heat can be distributed more evenly to avoid overheating or overcooling.

[0013] In addition, the utility model provides a child safety seat, comprising the seat back ventilation structure as described above.

[0014] Compared with the prior art, the child safety seat described in the present invention and the above-mentioned seat back ventilation structure have the same advantages over the prior art, which will not be repeated here. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a structural diagram of a chair back ventilation structure according to an embodiment of the utility model;

[0016] Figure 2 An exploded view of the seat back ventilation structure of an embodiment of the utility model;

[0017] Figure 3 A rear view of the seat back ventilation structure of an embodiment of the utility model;

[0018] Figure 4 A cross-sectional view of a seat back ventilation structure according to an embodiment of the present utility model;

[0019] Figure 5 This is a structural diagram of the controllable fan and the switch assembly of the embodiment of the utility model;

[0020] Figure 6 This is an exploded view of the assembly of the controllable fan and the switch component according to an embodiment of the utility model.

[0021] Description of reference numerals:

[0022] 1. Chair back; 2. Air inlet duct; 21. Air inlet; 22. Air outlet; 23. Main duct; 24. Left duct; 25. Right duct; 3. Controllable fan; 4. Connecting pipe; 5. Opening and closing assembly; 51. Inner plate; 511. First vent; 52. Rotating cover; 521. Second vent; 522. Ring gear; 6. Motor; 7. Gear. DETAILED DESCRIPTION

[0023] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and understandable, the specific embodiments of the present invention are described in detail below with reference to the accompanying drawings.

[0024] In the description of the present utility model, it is necessary to understand that the orientation or position relationship indicated by the terms "upper" and "lower" etc. is based on the orientation or position relationship when the product is normally used.

[0025] The terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the features.

[0026] The utility model embodiment provides a chair back ventilation structure, combined with Figure 1 , Figure 2 , Figure 3 , Figure 4 As shown, it includes a chair back 1 and an air inlet duct 2 arranged on the chair back 1, the air inlet duct 2 is provided with an air inlet 21 and a plurality of air outlets 22, the plurality of air outlets 22 are spaced apart and distributed in various areas of the chair back 1, each of the air outlets 22 is connected to a controllable fan 3, and the air inlet 21 is suitable for connecting with a temperature variable device; it also includes a circuit board, and each of the controllable fans 3 is electrically connected to the circuit board.

[0027] Among them, the chair back 1 is used to support and protect the back of the occupant, the air inlet 21 of the air inlet duct 2 is connected to the temperature variable device, and is used to receive the air provided by the temperature variable device. The air outlet 22 is distributed in various areas of the chair back 1 and is connected to the air inlet duct 2, and is used to release air to different areas; a controllable fan 3 is installed at each air outlet 22 to control the air flow.

[0028] The seat back ventilation structure in this embodiment has an air inlet duct 2 arranged in the seat back 1, which has an air inlet 21 and multiple air outlets 22. The multiple air outlets 22 are distributed at intervals in various areas of the seat back 1. Since each air outlet 22 is equipped with a controllable fan 3, the temperature of each area can be controlled separately to achieve precise adjustment and improve riding comfort. Through the design of multiple air outlets 22, heat can be distributed more evenly to avoid overheating or overcooling.

[0029] Optionally, the temperature variable device is a car air conditioner. By integrating the seat back ventilation structure with the car air conditioning system, there is no need to install an additional independent temperature variable device, which simplifies the system structure and reduces costs. By utilizing the efficient cooling and heating capabilities of the car air conditioner, the seat back ventilation structure can quickly respond to temperature adjustment needs and achieve more accurate and rapid temperature control.

[0030] Optionally, combined Figure 2 , Figure 4 As shown, it also includes a connecting pipe 4, and the automobile air conditioner is connected to the air inlet 21 through the connecting pipe 4. One end of the connecting pipe 4 is connected to the automobile air conditioner, and the other end is connected to the air inlet 21. The air outlet of the automobile air conditioner can be used to increase the cooling or heating efficiency of the seat, and the air temperature of the air outlet 22 can be adjusted through the control of the automobile air conditioning system. Combined with the controllable fan 3 of the seat back ventilation structure, the air flow can be adjusted to further optimize the comfort of the passengers; the automobile air conditioner and the air inlet 21 are connected through the connecting pipe 4 to achieve faster and more accurate temperature adjustment.

[0031] Optionally, combined Figure 1 , Figure 2 As shown, the air inlet 21 is integrated into the front end of the seat back 1; the air inlet 21 is directly installed at the front end of the seat back 1, which is convenient for connection with the temperature change device, so as to quickly and effectively guide the air conditioned by the air-conditioning system into the interior of the seat back 1; the front-end integrated design can also make the overall appearance of the seat back 1 more concise and beautiful, which meets the overall aesthetic requirements of the car seat design.

[0032] Optionally, combined Figure 3 As shown, the air inlet duct 2 includes a main duct 23 and a left duct 24 and a right duct 25 connected to the main duct 23, the main duct 23 is connected to the air inlet 21, the end of the left duct 24 away from the main duct 23 is the air outlet 22, and the end of the right duct 25 away from the main duct 23 is the air outlet 22. The main duct 23 is located at the center position and serves as the main channel of the air inlet duct 2. It is directly connected to the air inlet 21 and is responsible for receiving conditioned air from a temperature-changing device (such as a car air conditioner); the left duct 24 and the right duct 25 are respectively branched from the main duct 23, and one end of each duct is away from the main duct 23, serving as their own air outlets 22, which are used to distribute air to different areas of the seat back 1; through the design of the left duct 24 and the right duct 25, the conditioned air can be released to the left and right sides of the seat back 1 respectively, thereby achieving precise control of different areas of the seat; the layout of the left and right ducts 25 can ensure the uniform distribution of air inside the seat back 1, avoid local overheating or overcooling, and improve riding comfort.

[0033] Optionally, combined Figure 3As shown, the left duct 24 and the right duct 25 are symmetrically arranged on both sides of the main duct 23. The symmetrical duct layout can further ensure uniform air flow inside the seat back 1, avoid excessive local temperature differences, and improve riding comfort.

[0034] Optionally, combined Figure 3 As shown, the number of the left ducts 24 and the number of the right ducts 25 are both three; the three left ducts 24 are spaced apart on the left side of the main duct 23, and the three right ducts 25 are spaced apart on the right side of the main duct 23, and each group of three ducts are evenly arranged on both sides of the main duct 23, thereby ensuring the uniformity of air flow and temperature distribution; by setting up three ducts on the left and three ducts on the right, the regulated air flow direction and temperature can be more finely distributed and controlled, thereby improving the efficiency and comfort of the seat ventilation system; the multi-duct design also allows users to more accurately adjust the temperature and air flow in different areas to meet the personalized needs of different passengers.

[0035] Optionally, combined Figure 4 , Figure 5 , Figure 6 As shown, the controllable fan 3 is also connected to an opening and closing component 5, and the opening and closing component 5 includes an inner plate 51 and a rotating cover 52 that are rotatably connected to each other, the inner plate 51 is connected to the controllable fan 3, the inner plate 51 is provided with a first vent 511, and the rotating cover 52 is provided with a second vent 521; when the first vent 511 and the second vent 521 are correspondingly arranged, the opening and closing component 5 is in an open state, and at this time the controllable fan 3 is connected to the air inlet duct 2; when the first vent 511 and the second vent 521 are staggered, the opening and closing component 5 is in a closed state, and at this time the controllable fan 3 is suitable for being isolated from the air inlet duct 2.

[0036] The controllable fan 3 is usually a conventional small fan, one end face of which is fixed on the chair back 1, and the other end face is connected and fixed to the inner plate 51; the first vent 511 on the inner plate 51 is used for air circulation, and the rotating cover 52 is connected to the inner plate 51 through a rotating shaft, and is provided with a second vent 521. The rotation of the rotating cover 52 can make the second vent 521 correspond to or staggered with the first vent 511, thereby controlling the opening and closing state of the air circulation. When ventilation and heat transfer are required, the controllable fan 3 is started, and the rotating cover 52 is rotated to the position corresponding to the first vent 511 and the second vent 521, so that the controllable fan 3 is connected to the air outlet 22 of the air inlet duct 2, so that the controllable fan 3 can transfer the air heat in the air inlet duct 2 to the body of the child sitting in the child safety seat; when heat transfer is not required, the controllable fan 3 is turned off, and the rotating cover 52 is rotated to the position where the first vent 511 and the second vent 521 are staggered, so as to isolate the air inlet duct 2 from the controllable fan 3, block air circulation, and prevent the air heat in the air inlet duct 2 from escaping.

[0037] In this embodiment, by providing an inner plate 51 and a rotating cover 52 that are rotatably connected to each other, the air inlet duct 2 is closed when the controllable fan 3 stops working to prevent heat from escaping, thereby improving the temperature regulation effect of the child safety seat. The structure is simple and easy to operate, with low manufacturing cost, and is easy to promote and apply.

[0038] Optionally, combined Figure 4 , Figure 5 , Figure 6 As shown, it also includes a motor 6, which is electrically connected to the circuit board. The motor 6 is connected to a gear 7. A gear ring 522 is provided on the outer edge of the rotating cover 52, and the gear 7 is meshed with the gear ring 522.

[0039] Among them, the gear 7 is connected to the output shaft of the motor 6, and drives the ring gear 522 by rotating; the ring gear 522 is arranged on the outer edge of the rotating cover 52 and meshes with the gear 7. When the motor 6 drives the gear 7 to rotate, the meshing of the gear 7 and the ring gear 522 causes the rotating cover 52 to rotate; the operation of the motor 6 is controlled by the circuit board, so that the automatic rotation of the rotating cover 52 is realized, and the air inlet duct 2 is automatically closed when the controllable fan 3 stops working, thereby preventing heat from escaping through the position of the controllable fan 3 without manual operation, which greatly improves the convenience and intelligence level of use; the motor 6 drives the gear 7 to mesh with the ring gear 522, which can realize the precise positioning of the rotating cover 52, ensure that the opening and closing control of the vent is more accurate, and further improve the temperature regulation effect; the switch of a certain controllable fan 3 can be controlled separately by the circuit board, and the reliable fan switch of any point at various positions of the chair back 1 can be controlled separately, and the heat loss of the introduced air is reduced as much as possible.

[0040] Another embodiment of the utility model provides a child safety seat, comprising the seat back ventilation structure as described above.

[0041] In the child safety seat in this embodiment, the air inlet duct 2 arranged in the seat back 1 has an air inlet 21 and a plurality of air outlets 22. The plurality of air outlets 22 are distributed at intervals in various areas of the seat back 1. Since each air outlet 22 is equipped with a controllable fan 3, the temperature of each area can be controlled separately to achieve precise adjustment and improve riding comfort. Through the design of multiple air outlets 22, heat can be distributed more evenly to avoid overheating or overcooling.

[0042] Although the disclosure is as above, the protection scope of the disclosure is not limited thereto. Those skilled in the art may make various changes and modifications without departing from the spirit and scope of the disclosure, and these changes and modifications will fall within the protection scope of the utility model.

Claims

1. A chair back ventilation structure, characterized in that: The invention comprises a chair back (1) and an air inlet duct (2) arranged on the chair back (1), wherein the air inlet duct (2) is provided with an air inlet (21) and a plurality of air outlets (22), wherein the plurality of air outlets (22) are distributed at intervals in various areas of the chair back (1), each of the air outlets (22) is connected to a controllable fan (3), and the air inlet (21) is suitable for being connected to a temperature-changing device; and the invention also comprises a circuit board, wherein each of the controllable fans (3) is electrically connected to the circuit board.

2. The seat back ventilation structure according to claim 1, characterized in that: The temperature changing device is a car air conditioner.

3. The seat back ventilation structure according to claim 2, characterized in that: It also comprises a connecting pipe (4), and the automobile air conditioner is connected to the air inlet (21) via the connecting pipe (4).

4. The seat back ventilation structure according to claim 1, characterized in that: The air inlet (21) is integrated at the front end of the chair back (1).

5. The seat back ventilation structure according to claim 1, characterized in that: The air inlet duct (2) comprises a main duct (23) and a left duct (24) and a right duct (25) which are in communication with the main duct (23); the main duct (23) is in communication with the air inlet (21); an end of the left duct (24) away from the main duct (23) is the air outlet (22); and an end of the right duct (25) away from the main duct (23) is the air outlet (22).

6. The seat back ventilation structure according to claim 5, characterized in that: The left pipe (24) and the right pipe (25) are arranged symmetrically to each other.

7. The seat back ventilation structure according to claim 5, characterized in that: The number of the left pipe (24) and the number of the right pipe (25) are both three.

8. The seat back ventilation structure according to any one of claims 1 to 7, characterized in that: The controllable fan (3) is also connected to an opening and closing component (5), the opening and closing component (5) comprising an inner plate (51) and a rotating cover (52) which are rotatably connected to each other, the inner plate (51) being connected to the controllable fan (3), the inner plate (51) being provided with a first vent (511), and the rotating cover (52) being provided with a second vent (521); when the first vent (511) and the second vent (521) are arranged correspondingly, the opening and closing component (5) is in an open state, at which time the controllable fan (3) is connected to the air inlet duct (2); when the first vent (511) and the second vent (521) are arranged staggered, the opening and closing component (5) is in a closed state, at which time the controllable fan (3) is suitable for being isolated from the air inlet duct (2).

9. The seat back ventilation structure according to claim 8, characterized in that: It also includes a motor (6), the motor (6) is electrically connected to the circuit board, the motor (6) is connected to a gear (7), the outer edge of the rotating cover (52) is provided with a gear ring (522), and the gear (7) is meshed with the gear ring (522).

10. A child safety seat, characterized in that: It comprises a seat back ventilation structure as described in any one of claims 1-9.

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