Backpack with fan

Abstract

The backpack with the fan comprises a backpack body, a left shoulder strap, a right shoulder strap, a fan device and a backpack rear panel, the left shoulder strap and the right shoulder strap are connected to the backpack body and the backpack rear panel respectively, the fan device is arranged on the backpack rear panel, and the fan device comprises a ventilation component, a fan component and a switch component. The switch component is operably connected with the fan device and used for controlling operation of the fan device, the fan component is detachably connected to the fan device, a ventilation component is installed at the position, deviating from the fan component, of the fan device, and the ventilation component is of a structure with gradually-changed ventilation holes. The ventilation component comprises a ventilation panel and a ventilation bottom box, a plurality of ventilation holes are formed in the ventilation panel, the ventilation holes are formed in the surface of the backpack rear panel, and the sizes and the distribution density of the ventilation holes are gradually changed in the preset direction. The fan device is adopted to achieve efficient ventilation and heat dissipation through a gradual change type ventilation structure and optimized airflow design, meanwhile, the fan device is detachably connected, installation and cleaning are convenient, and portability and practicability of the backpack are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a backpack, especially a backpack with a fan. BACKGROUND

[0002] The conventional backpack is prone to causing the user's back to sweat and be stuffy during long time use, especially in hot environment, which affects the comfort. Although there are some backpacks with ventilation design on the market, and some backpacks have a fan design, the actual use experience is not good enough, and the fan backpack is too heavy, which increases the burden of the user. SUMMARY

[0003] The utility model aims at providing a backpack with a fan, the fan device realizes efficient heat dissipation through the gradually changing ventilation structure, and the device structure is simple, and the portability and practicality of the backpack are improved.

[0004] In order to achieve the above purpose, the utility model provides a backpack with a fan, which comprises a backpack main body, left shoulder straps, right shoulder straps, a fan device and a backpack back width, the left shoulder straps and the right shoulder straps are connected to the backpack main body and the backpack back width respectively, the fan device is arranged on the backpack back width, the fan device comprises a ventilation component, a fan component and a switch component, the switch component is operably connected with the fan device, and is used for controlling the operation of the fan device, the fan component is detachably connected on the fan device, the fan device is provided with the ventilation component at a position deviated from the fan component, the ventilation component is a structure with gradually changing ventilation holes, the ventilation component comprises a ventilation panel and a ventilation bottom box, a plurality of ventilation holes are formed in the ventilation panel, the ventilation holes are arranged on the surface of the backpack back width, and the size and distribution density of the ventilation holes gradually change along a predetermined direction.

[0005] Further, the ventilation holes are circular and elliptical, and the gradually changing ventilation holes are sequentially divided into a low wind resistance area, a smooth transition area and a high wind resistance area.

[0006] Further, the ventilation bottom box is a stepped space matched with the height of the fan component, and the air outlet position of the fan component is directly communicated with the stepped space.

[0007] Further, the ventilation component further comprises a baffle, the baffle is integrally formed, the baffle is arranged between the fan component and the ventilation bottom box, and the air outlet space of the fan component is limited.

[0008] Further, the fan component is detachably connected with the backpack back width through buckles, the number of the buckles is four, and the buckles are arranged on the four peripheral edges of the fan component.

[0009] Further, the fan component comprises an axial fan, a fan support, and an air inlet net, the fan support fixes the axial fan on the fan component, and the air inlet net covers the surface of the axial fan.

[0010] Further, the fan component further comprises an auxiliary air outlet, which is arranged at the highest point of the backpack body and is vertically aligned with the axial fan.

[0011] Further, the fan component further comprises a cover plate, which is arranged to cooperate with the auxiliary air outlet to open and close the auxiliary air outlet.

[0012] Further, the switch component comprises a data line, a physical button, and a power port, the data line is sequentially connected with the fan component, the power port, and the physical button, and the power port and the physical button are arranged on the outer side of the backpack body to control the switch of the fan device.

[0013] Further, the backpack rear width is provided with two symmetrical support portions, which respectively protrude 2cm-3cm rearward.

[0014] The ventilated backpack provided by the utility model realizes efficient ventilation and heat dissipation through the gradual change type ventilation structure and optimized air flow design of the fan device, and the fan device is detachably connected, so that the installation and cleaning are facilitated, and the portability and practicality of the backpack are improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 is a structure schematic view of a ventilated backpack of an embodiment of the utility model;

[0016] Fig. 2 is a structure schematic view of a backpack rear width of an embodiment of the utility model;

[0017] Fig. 3 is a structure schematic view of a ventilation bottom box of an embodiment of the utility model.

[0018] Mark 1, fan device; 2, ventilation component; 3, fan component; 4, switch component; 22, ventilation panel; 23, ventilation bottom box; 21, ventilation hole; 211, low wind resistance area; 212, smooth transition area; 213, high wind resistance area; 24, baffle; 31, buckle; 32, axial fan; 33, fan support; 34, air inlet net; 35, auxiliary air outlet; 36, cover plate; 41, data line; 42, physical button; 43, power port; 5, support portion. DETAILED DESCRIPTION

[0019] The utility model will be described in detail in combination with specific embodiments.

[0020] In the utility model, when the orientation word appears, for the orientation word, it is for the convenience of narrating the utility model and simplifying the description, and is not indicative or suggestive of the device or element indicated must have a specific orientation, be constructed and operated in a specific orientation, and cannot be understood as limiting the specific protection scope of the utility model.

[0021] In the utility model, except for another explicit provision and limitation, when the terms such as“set in”,“connected”,“connected” appear, these terms should be understood in a broad sense, for example, can be fixedly connected, can be detachably connected, or integrally connected;It can also be a mechanical connection;It can be directly connected, or it can be connected through an intermediate medium, and it can be connected between two elements. For those skilled in the art, the specific meaning of the above-mentioned terms in the utility model can be understood according to the specific situation.

[0022] As Figs. 1 to 3 In combination with the shown, a backpack with a fan, including backpack main body, left shoulder strap, right shoulder strap, fan device 1 and backpack back width, the left shoulder strap, right shoulder strap is connected to the backpack main body and backpack back width respectively, the fan device 1 is arranged on the backpack back width.

[0023] The fan device 1 includes ventilation components 2, fan components 3, switch components 4, the switch components 4 are operatively connected with the fan device 1, for controlling the operation of the fan device 1, the fan components 3 are detachably connected on the fan device 1.

[0024] The detachable connection advantage lies in that the fan blades, motors and other components can be separated without complex tools, simplifying the cleaning process and improving the practicability of the fan device.

[0025] The fan device 1 is provided with ventilation components 2 at a position deviating from the fan components 3, the ventilation components 2 are a structure with gradually changing ventilation holes, the ventilation components 2 include ventilation panels 22 and ventilation bottom boxes 23, a plurality of ventilation holes 21 are formed in the ventilation panels 22, the ventilation holes 21 are arranged on the surface of the backpack back width, and the size and distribution density of the ventilation holes 21 gradually change along the predetermined direction.

[0026] In the embodiment, the shape of the ventilation hole 21 is circular and elliptical, and the gradually changing ventilation hole 21 is sequentially divided into a low wind resistance area 211, a smooth transition area 212 and a high wind resistance area 213.

[0027] The design of the gradually changing ventilation hole array can optimize the ventilation efficiency according to the airflow demand, the large ventilation hole is suitable for the low wind resistance area, the small ventilation hole is suitable for the high wind resistance area, and the transition area realizes the smooth transition of airflow.

[0028] In this embodiment, the ventilation bottom box 23 is a stepped space matching the height of the fan component 3, and the fan component 3 is directly communicated with the stepped space.

[0029] The bottom of the ventilation bottom box is inclined from low to high, the low part of the ventilation bottom box matches the thickness of the fan, and the high part of the ventilation bottom box reduces the volume of the air outlet, so that the fan air can quickly pass through the ventilation hole, while the space occupation is minimized.

[0030] In this embodiment, the ventilation component 2 further comprises a baffle 24, which is integrally formed, and the baffle 24 is arranged between the fan component 3 and the ventilation bottom box 23 to limit the air outlet space of the fan component 3. The air inlet is designed in a compact manner, and the maximum ventilation efficiency is realized in a limited space by optimizing the space layout and structural integration.

[0031] In this embodiment, the fan component 3 is detachably connected with the back of the backpack through buckles 31, and the number of buckles 31 is four, which are arranged on the four peripheral edges of the fan component.

[0032] In this embodiment, the fan component comprises an axial fan 32, a fan bracket 33 and an air inlet net 34, the fan bracket 33 fixes the axial fan 32 on the fan component 3, and the air inlet net 34 covers the surface of the axial fan 32. The fan bracket is used to fix the fan and reduce vibration, and the air inlet ensures the safe use of the fan while maintaining the air inlet position of the fan.

[0033] In this embodiment, the fan component 3 further comprises an auxiliary air inlet 35, which is arranged at the highest point of the backpack body, and the auxiliary air inlet 35 is vertically aligned with the axial fan 32. (To ensure that the airflow can efficiently enter the fan from the top air inlet and extend to the fan mounting position, forming a continuous airflow channel for guiding external air into the backpack.

[0034] In this embodiment, the fan component 3 further comprises a cover plate 36, and the auxiliary air inlet 35 is provided with a cover plate 36 matched with the auxiliary air inlet 35. (To prevent foreign matter from entering and optimize airflow efficiency. The top air inlet can be equipped with a cover plate or a dustproof net which can be opened and closed, so as to close the air inlet or prevent dust from entering when the fan is not in use. The fan mounting position can be connected with the fan body through a fixing member or a buckle structure, which is convenient for disassembly and maintenance.

[0035] In this embodiment, the switch component 4 comprises a data line 41, a physical button 42 and a power port 43, the data line 41, the power port 43 and the physical button 42 are connected in series, and the power port 43 and the physical button 42 are arranged on the outside of the backpack body to realize the switching of the fan device 1.

[0036] In the embodiment, the backpack rear width is provided with two symmetrical support parts 5, which protrude 2-3 cm backward.

[0037] The support part is used to increase the comfort of the back and keep the fan device and the user's back with a certain gap, reduce the product loss rate, and enhance the effect of blowing and heat dissipation.

[0038] The backpack with a fan provided by the utility model has the following beneficial effects:

[0039] 1. Efficient heat dissipation: through the gradual ventilation structure and compact import and export layout, the heat dissipation effect is significantly improved, and the user's back is kept dry;

[0040] 2. Portability and safety: the detachable fan device is convenient to install and clean, and the use safety is improved;

[0041] 3. Comfort and durability: the support part protruding design is adopted, the use comfort and product life are improved;

[0042] In the case of no conflict, the above embodiments and features in the embodiments can be combined with each other.

[0043] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the utility model, and are not limited to the protection scope of the utility model. Although the utility model has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the utility model can be modified or replaced equivalently without departing from the essence and scope of the technical solutions of the utility model.

Claims

1. A backpack with a fan, characterized in that, The backpack includes a backpack body, a left shoulder strap, a right shoulder strap, a fan device (1) and a backpack back, the left shoulder strap and the right shoulder strap are connected to the backpack body and the backpack back respectively, the fan device (1) is arranged on the backpack back, the fan device (1) includes a ventilation component (2), a fan component (3) and a switch component (4), the switch component (4) is operatively connected with the fan device (1) and is used for controlling the operation of the fan device (1), the fan component (3) is detachably connected to the fan device (1), the fan device (1) is provided with the ventilation component (2) at a position deviated from the fan component (3), the ventilation component (2) has a structure with gradually changing ventilation holes, the ventilation component (2) includes a ventilation panel (22) and a ventilation bottom box (23), a plurality of ventilation holes (21) are formed in the ventilation panel (22), the ventilation holes (21) are arranged on the surface of the backpack back, and the size and distribution density of the ventilation holes (21) gradually change along a predetermined direction.

2. The backpack with a fan according to claim 1, wherein, The ventilation holes (21) are circular and elliptical, and the gradually changing ventilation holes (21) are sequentially divided into a low wind resistance area (211), a smooth transition area (212) and a high wind resistance area (213).

3. The backpack with a fan according to claim 1, wherein, The ventilation bottom box (23) is a stepped space matching the height of the fan component (3), and the air outlet position of the fan component (3) directly communicates with the stepped space.

4. The backpack with a fan according to claim 3, wherein, The ventilation component (2) further includes a baffle (24), the baffle (24) is integrally formed, the baffle (24) is arranged between the fan component (3) and the ventilation bottom box (23), and the air outlet space of the fan component (3) is limited.

5. The backpack with a fan according to claim 1, wherein, The fan component (3) is detachably connected to the backpack back through buckles (31), the number of the buckles (31) is four, and the buckles (31) are arranged on the four peripheral edges of the fan component.

6. The backpack with a fan according to claim 1, wherein, The fan component includes an axial flow fan (32), a fan support (33) and an air inlet net (34), the fan support (33) fixes the axial flow fan (32) on the fan component (3), and the air inlet net (34) covers the surface of the axial flow fan (32).

7. A backpack with a fan as claimed in claim 6, characterized in that The fan component (3) further includes an auxiliary air port (35), the auxiliary air port (35) is arranged at the highest point of the backpack body, and the auxiliary air port (35) is vertically aligned with the axial flow fan (32).

8. The backpack with a fan according to claim 7, wherein, The fan component (3) further includes a cover plate (36), and the auxiliary air port (35) is provided with the cover plate (36) matched with the opening and closing of the auxiliary air port (35).

9. The backpack with a fan of claim 1, wherein, The switch component (4) includes a data line (41), a physical button (42) and a power port (43), the data line (41), the power port (43) and the physical button (42) are sequentially connected in series, and the power port (43) and the physical button (42) are arranged on the outer side of the backpack body to realize the switching of the fan device (1).

10. The backpack with a fan according to claim 1, wherein, Two symmetrical support portions (5) are further arranged on the two sides of the backpack back, and the support portions (5) protrude backward by 2cm-3cm.

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