Backpack with fan

Abstract

To provide a rucksack with a fan, which can open the back width, reduces the difficulty of processing and production for a manufacturer, and improves the usability for a user. [Solution] The backpack includes a backpack body and a backrest, and a fastener connected to the backpack body is provided on the backrest. An opening is provided on the backrest, and a fan box is provided on the opening. The fan box includes a housing, a fan fixed inside the housing, a heat dissipation back pad 1 provided on the housing, and a protection box 4 provided on the heat dissipation back pad. The heat dissipation back pad is provided with an intake hole and an array-distributed exhaust hole 12. The protection box is fixed to the intake hole, and a second intake hole 41 is provided on the protection box. Backrest protrusions 5 are provided on both sides of the heat dissipation back pad, and the fan box is provided between the two backrest protrusions.

Description

[Technical field]

[0001] The present invention relates to a backpack, and more particularly to a backpack with a fan. [Background technology]

[0002] At present, backpacks are widely used in people's daily life, and are used to carry things in daily life. However, when the weather is hot, wearing a backpack outdoors makes people feel even hotter, so backpacks with fans have been created. The utility model with publication number CN212995143U discloses a backpack with a cooling function and belongs to the bag field. When the weather is hot, people tend to sweat when going out and wearing a backpack, which makes people's backs uncomfortable, and the purpose of cooling people by blowing air from the fan is achieved. A fan is attached to the lower or upper end of the back width of the backpack to blow air toward the back, and a layer of breathable material is provided on the back width of the backpack, and a support framework is used to separate the back width arch of the backpack from the breathable material at a certain distance, forming an air circulation passage, and the fan blows air to play the role of ventilation and cooling. The backrest of the utility model cannot be opened, which makes it difficult for manufacturers to process it. Summary of the Invention

[0003] The technical problem that this invention aims to solve is to provide a backpack with a fan that is easy to process and has a good user experience.

[0004] In order to solve the above technical problems, the technical solution of the present invention is as follows: A backpack with a fan, comprising a backpack body and a backrest, the bottom of the backrest is movably connected to the backpack body, and the backrest is provided with a fastener connected to the backpack body. An opening is provided in the backrest, and a fan box is provided in the opening, the fan box includes a housing, a fan fixed inside the housing, a heat dissipation back pad provided in the housing, and a protection box provided on the heat dissipation back pad. The housing is rectangular, and an accommodating cavity is formed in the housing, the housing is vertically arranged, the fan is disposed at an upper position in the housing, an intake area is formed in the upper area of ​​the housing, and an exhaust area is formed in the lower area of ​​the housing. The heat dissipation back pad is provided with an intake hole corresponding to the intake area, and the heat dissipation back pad is provided with exhaust holes in an array distribution corresponding to the exhaust area. The protection box is fixed to the intake hole, and the protection box is provided with a second intake hole. The heat dissipating back pad is provided with backrest protrusions on both sides thereof, and the blower box is disposed between the two backrest protrusions.

[0005] Preferably, a flange is provided on the housing, a partition cloth is provided on the inside of the backrest, the rear surface of the housing is wrapped in the partition cloth, and the backrest and the flange are connected to a heat dissipating back pad by sewing.

[0006] Preferably, a screw is disposed on the protective box, and the screw penetrates the heat dissipation back pad and is connected to the blower.

[0007] Preferably, a yarn passing hole is provided in the housing, a yarn passing opening is provided in the partition cloth, the yarn passing hole and the yarn passing opening correspond to each other, and a power cord of the blower passes through the yarn passing hole and the yarn passing opening in sequence and protrudes outside the housing.

[0008] Preferably, a pocket capable of storing a power source is provided inside the backrest, and the pockets are provided on both sides of the blower box.

[0009] The beneficial effects of this invention compared to the prior art are as follows: The backrest protrusions are provided to prevent the back of the backpack from sticking to the back of the user, which improves the ventilation effect; The air outlet holes are evenly distributed, the ventilation is more even, and the user experience is better; The inner side of the backrest can be opened, which reduces the difficulty of production and processing. [Brief description of the drawings]

[0010] [Figure 1] FIG. [Diagram 2] FIG. 2 is a schematic diagram of the inside of the backrest. [Diagram 3] FIG. 2 is a schematic diagram of the inner surface of the backrest. [Figure 4] FIG. 2 is a schematic diagram of a heat dissipation back pad. [Diagram 5] FIG. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0011] The present invention will now be described in more detail with reference to the drawings in the specification. As shown in FIG. 1, FIG. 2 and FIG. 4, the backpack with a fan includes a backpack body and a backrest, the bottom of the backrest is movably connected to the backpack body, and the backrest is provided with a fastener connected to the backpack body. The manufacturer can easily open the backrest to perform processing operations, reducing the difficulty of processing. The backrest is provided with an opening, and a blower box is disposed in the opening, and the blower box includes a housing 2, a blower 3 fixed inside the housing 2, a heat dissipation back pad 1 provided in the housing 2, and a protective box 4 provided on the heat dissipation back pad 1, and a screw is provided in the protective box 4, and the screw penetrates the heat dissipation back pad 1 and is connected to the blower 3. The housing 2 has a rectangular shape, and an accommodation cavity is formed in the housing 2, the housing 2 is vertically disposed, and the blower 3 is disposed at an upper position in the housing 2, so that an intake area is formed in the upper area of ​​the housing 2, and an exhaust area is formed in the lower area of ​​the housing 2. The heat dissipating back pad 1 is provided with an intake hole corresponding to the intake area, and the heat dissipating back pad 1 is provided with exhaust holes 12 distributed in an array corresponding to the exhaust area. The protective box 4 is fixed to the intake hole, and the protective box 4 is provided with a second intake hole 41. The protective box 4 provides a certain protection for the blower 3, preventing the user from accidentally touching the blower 3 during operation and preventing accidents. The air path is composed of the second intake hole 41, the first intake hole 11, the blower 3, the lower area in the housing 2, and the exhaust hole 12, and the air first enters through the second intake hole 41, then enters the inside of the blower 3 through the first intake hole 11, and is further transported to the back of the user through the exhaust hole 12. The exhaust holes 12, which are the same size and uniformly arranged, also make the exhaust more uniform, improving the user's usage effect.

[0012] As shown in Figures 1 to 3, the heat dissipating backpack 1 is provided with backrest protrusions 5 on both sides, and the fan box is provided between the two backrest protrusions 5. A certain distance is provided between the user and the back of the backpack, which facilitates sufficient air in the air intake holes, prevents the user's clothes from being sucked, and improves the user's blowing experience. The backrest protrusions 5 play a supporting role for the user's back, improving the user's usage experience. The housing 2 is provided with a flange 21, and a partition cloth is provided inside the backrest, and the backrest of the housing 2 is wrapped in the partition cloth. The backrest and flange 21 are sewn and connected to the heat dissipating backpack 1.

[0013] 2, 3 and 5, a yarn passing hole 22 is provided in the housing 2, a yarn passing opening is provided in the partition cloth, the yarn passing hole 22 corresponds to the yarn passing opening, and a power line of the blower 3 passes through the yarn passing hole 22 and the yarn passing opening to the outside of the housing 2. A pocket 6 capable of storing a power source is provided inside the backrest, and the pocket 6 is provided on both sides of the blower box. The charging cord of the blower 3 is passed through the yarn passing hole 22 and the yarn passing opening to the power source in the pocket 6 to operate the blower 3. [Explanation of symbols]

[0014] 1 Heat dissipation back pad 11 First air intake 12 Exhaust Vent 2. Chassis 21 Flange 22 Thread passage hole 3. Blower 4 Protective Box 41 Second intake hole 5 Backrest protrusion 6 Pockets

Claims

1. A fan-equipped backpack, comprising a backpack body and a backrest, a bottom of the backrest is movably connected to the backpack body, the backrest is provided with a fastener connected to the backpack body, the backrest is provided with an opening, a fan box is provided in the opening, the fan box includes a housing, a fan fixed inside the housing, a heat dissipation backpad provided on the housing, and a protective box provided on the heat dissipation backpad, the housing is rectangular, an accommodating cavity is formed within the housing, the housing is arranged vertically, the fan is disposed at an upper position within the housing, an intake region is formed in an upper region within the housing, and an exhaust region is formed in a lower region within the housing, the heat dissipation backpad is provided with intake holes corresponding to the intake region, the heat dissipation backpad is provided with exhaust holes in an array distribution corresponding to the exhaust region, the protective box is fixed to the intake holes, and the protective box is provided with a second intake hole, backrest protrusions are provided on both sides of the heat dissipation backpad, and the fan box is provided between the two backrest protrusions.

2. The backpack with a fan according to claim 1, characterized in that a flange is provided on the housing, a partition cloth is provided on the inside of the backrest, the back surface of the housing is wrapped in the partition cloth, and the backrest and the flange are sewn together to connect to a heat dissipation back pad.

3. The backpack with a fan according to claim 1, wherein a screw is disposed on the protective box, and the screw penetrates the heat dissipation back pad and is connected to the fan.

4. The backpack with a fan according to claim 2, characterized in that a thread passing hole is provided in the housing, a thread passing opening is provided in the partition cloth, the thread passing hole and the thread passing opening correspond to each other, and a power cord for the blower passes through the thread passing hole and the thread passing opening in sequence and protrudes outside the housing.

5. 2. The backpack with a fan according to claim 1, wherein a pocket capable of storing a power source is provided inside the backrest, the pocket being provided on both sides of a fan box.

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